diff --git a/README.md b/README.md
index 63d1415..72eceb2 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,18 @@ yarn install
 yarn test:e2e
 ```
 
+### Running Example Scripts on Testnet
+1. Rename .env.example to .env and fill in the required environment variables.
+2. Run the example script for Base/EVM -> Aptos
+```sh
+yarn receive-message-example
+```
+3. Run the example script for Aptos -> Base/EVM
+```sh
+yarn deposit-for-burn-example
+```
+
+
 ## Deployment
 
 1. Create a deployer keypair and fund it with APT
diff --git a/cspell.json b/cspell.json
index e084de5..ee39e34 100644
--- a/cspell.json
+++ b/cspell.json
@@ -28,5 +28,5 @@
   "ignoreRegExpList": [
     "error_codes"
   ],
-  "ignorePaths": ["aptos-core", "stablecoin-aptos", "evm-cctp-contracts"]
+  "ignorePaths": ["aptos-core", "stablecoin-aptos", "evm-cctp-contracts", "typescript/example/abi"]
 }
diff --git a/package.json b/package.json
index db70117..bf36f50 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,9 @@
     "calculate-deployment-addresses": "yarn ts-node typescript/aptos/deploy/index.ts calculate-deployment-addresses",
     "deploy": "yarn ts-node typescript/aptos/deploy/index.ts deploy",
     "upgrade-pkg": "yarn ts-node typescript/aptos/deploy/index.ts upgrade",
-    "verify-pkg": "yarn ts-node typescript/aptos/deploy/index.ts verify-pkg"
+    "verify-pkg": "yarn ts-node typescript/aptos/deploy/index.ts verify-pkg",
+    "deposit-for-burn-example": "node --env-file=typescript/.env -r ts-node/register typescript/example/depositForBurn.ts",
+    "receive-message-example": "node --env-file=typescript/.env -r ts-node/register typescript/example/receiveMessage.ts"
   },
   "dependencies": {
     "@aptos-labs/ts-sdk": "^1.28.0",
@@ -49,4 +51,4 @@
     "node": "20.14.0",
     "yarn": "1.22.22"
   }
-}
\ No newline at end of file
+}
diff --git a/typescript/.env.example b/typescript/.env.example
new file mode 100644
index 0000000..fd945f9
--- /dev/null
+++ b/typescript/.env.example
@@ -0,0 +1,30 @@
+# Copyright 2024 Circle Internet Financial, LTD. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##################################
+# Key & Address Configurations   #
+##################################
+
+EVM_PRIVATE_KEY=
+APTOS_PRIVATE_KEY=
+
+##################################
+# EVM Contract Configurations    #
+##################################
+
+EVM_RPC_URL=https://base-sepolia.gateway.tenderly.co
+
+
diff --git a/typescript/example/abi/FiatTokenV2_1.json b/typescript/example/abi/FiatTokenV2_1.json
new file mode 100644
index 0000000..dc19aee
--- /dev/null
+++ b/typescript/example/abi/FiatTokenV2_1.json
@@ -0,0 +1,3893 @@
+{
+  "abi": [
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Approval",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "authorizer",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "nonce",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AuthorizationCanceled",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "authorizer",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "bytes32",
+          "name": "nonce",
+          "type": "bytes32"
+        }
+      ],
+      "name": "AuthorizationUsed",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "_account",
+          "type": "address"
+        }
+      ],
+      "name": "Blacklisted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newBlacklister",
+          "type": "address"
+        }
+      ],
+      "name": "BlacklisterChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "burner",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "Burn",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newMasterMinter",
+          "type": "address"
+        }
+      ],
+      "name": "MasterMinterChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "minter",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "Mint",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "minter",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "minterAllowedAmount",
+          "type": "uint256"
+        }
+      ],
+      "name": "MinterConfigured",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "oldMinter",
+          "type": "address"
+        }
+      ],
+      "name": "MinterRemoved",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [],
+      "name": "Pause",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newAddress",
+          "type": "address"
+        }
+      ],
+      "name": "PauserChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "RescuerChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "Transfer",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "_account",
+          "type": "address"
+        }
+      ],
+      "name": "UnBlacklisted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [],
+      "name": "Unpause",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "CANCEL_AUTHORIZATION_TYPEHASH",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "DOMAIN_SEPARATOR",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "PERMIT_TYPEHASH",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "RECEIVE_WITH_AUTHORIZATION_TYPEHASH",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "TRANSFER_WITH_AUTHORIZATION_TYPEHASH",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        }
+      ],
+      "name": "allowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "approve",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "authorizer",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "nonce",
+          "type": "bytes32"
+        }
+      ],
+      "name": "authorizationState",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "balanceOf",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_account",
+          "type": "address"
+        }
+      ],
+      "name": "blacklist",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "blacklister",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "_amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "burn",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "authorizer",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "nonce",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "uint8",
+          "name": "v",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "r",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "s",
+          "type": "bytes32"
+        }
+      ],
+      "name": "cancelAuthorization",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "minter",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "minterAllowedAmount",
+          "type": "uint256"
+        }
+      ],
+      "name": "configureMinter",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "currency",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "decimals",
+      "outputs": [
+        {
+          "internalType": "uint8",
+          "name": "",
+          "type": "uint8"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "decrement",
+          "type": "uint256"
+        }
+      ],
+      "name": "decreaseAllowance",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "increment",
+          "type": "uint256"
+        }
+      ],
+      "name": "increaseAllowance",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "tokenName",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "tokenSymbol",
+          "type": "string"
+        },
+        {
+          "internalType": "string",
+          "name": "tokenCurrency",
+          "type": "string"
+        },
+        {
+          "internalType": "uint8",
+          "name": "tokenDecimals",
+          "type": "uint8"
+        },
+        {
+          "internalType": "address",
+          "name": "newMasterMinter",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "newPauser",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "newBlacklister",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "initialize",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "string",
+          "name": "newName",
+          "type": "string"
+        }
+      ],
+      "name": "initializeV2",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "lostAndFound",
+          "type": "address"
+        }
+      ],
+      "name": "initializeV2_1",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_account",
+          "type": "address"
+        }
+      ],
+      "name": "isBlacklisted",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "account",
+          "type": "address"
+        }
+      ],
+      "name": "isMinter",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "masterMinter",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "_amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "mint",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "minter",
+          "type": "address"
+        }
+      ],
+      "name": "minterAllowance",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "name",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        }
+      ],
+      "name": "nonces",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pause",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "paused",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pauser",
+      "outputs": [
+        {
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+          "name": "",
+          "type": "address"
+        }
+      ],
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+      "type": "function"
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+    {
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+        {
+          "internalType": "address",
+          "name": "owner",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "spender",
+          "type": "address"
+        },
+        {
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+          "name": "value",
+          "type": "uint256"
+        },
+        {
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+          "name": "deadline",
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+        {
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+      ],
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+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
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+          "name": "to",
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+          "internalType": "bytes32",
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+      ],
+      "name": "receiveWithAuthorization",
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+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "minter",
+          "type": "address"
+        }
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+      "name": "removeMinter",
+      "outputs": [
+        {
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+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
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+        {
+          "internalType": "contract IERC20",
+          "name": "tokenContract",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "rescueERC20",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "rescuer",
+      "outputs": [
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+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
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+      "name": "symbol",
+      "outputs": [
+        {
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+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+    {
+      "inputs": [],
+      "name": "totalSupply",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
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+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transfer",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
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+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "value",
+          "type": "uint256"
+        }
+      ],
+      "name": "transferFrom",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "from",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
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+          "name": "value",
+          "type": "uint256"
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+        {
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+          "name": "validAfter",
+          "type": "uint256"
+        },
+        {
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+          "name": "validBefore",
+          "type": "uint256"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "nonce",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "uint8",
+          "name": "v",
+          "type": "uint8"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "r",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "s",
+          "type": "bytes32"
+        }
+      ],
+      "name": "transferWithAuthorization",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_account",
+          "type": "address"
+        }
+      ],
+      "name": "unBlacklist",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "unpause",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_newBlacklister",
+          "type": "address"
+        }
+      ],
+      "name": "updateBlacklister",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_newMasterMinter",
+          "type": "address"
+        }
+      ],
+      "name": "updateMasterMinter",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_newPauser",
+          "type": "address"
+        }
+      ],
+      "name": "updatePauser",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "updateRescuer",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "version",
+      "outputs": [
+        {
+          "internalType": "string",
+          "name": "",
+          "type": "string"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
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+  ],
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+    "linkReferences": {}
+  },
+  "methodIdentifiers": {
+    "CANCEL_AUTHORIZATION_TYPEHASH()": "d9169487",
+    "DOMAIN_SEPARATOR()": "3644e515",
+    "PERMIT_TYPEHASH()": "30adf81f",
+    "RECEIVE_WITH_AUTHORIZATION_TYPEHASH()": "7f2eecc3",
+    "TRANSFER_WITH_AUTHORIZATION_TYPEHASH()": "a0cc6a68",
+    "allowance(address,address)": "dd62ed3e",
+    "approve(address,uint256)": "095ea7b3",
+    "authorizationState(address,bytes32)": "e94a0102",
+    "balanceOf(address)": "70a08231",
+    "blacklist(address)": "f9f92be4",
+    "blacklister()": "bd102430",
+    "burn(uint256)": "42966c68",
+    "cancelAuthorization(address,bytes32,uint8,bytes32,bytes32)": "5a049a70",
+    "configureMinter(address,uint256)": "4e44d956",
+    "currency()": "e5a6b10f",
+    "decimals()": "313ce567",
+    "decreaseAllowance(address,uint256)": "a457c2d7",
+    "increaseAllowance(address,uint256)": "39509351",
+    "initialize(string,string,string,uint8,address,address,address,address)": "3357162b",
+    "initializeV2(string)": "d608ea64",
+    "initializeV2_1(address)": "2fc81e09",
+    "isBlacklisted(address)": "fe575a87",
+    "isMinter(address)": "aa271e1a",
+    "masterMinter()": "35d99f35",
+    "mint(address,uint256)": "40c10f19",
+    "minterAllowance(address)": "8a6db9c3",
+    "name()": "06fdde03",
+    "nonces(address)": "7ecebe00",
+    "owner()": "8da5cb5b",
+    "pause()": "8456cb59",
+    "paused()": "5c975abb",
+    "pauser()": "9fd0506d",
+    "permit(address,address,uint256,uint256,uint8,bytes32,bytes32)": "d505accf",
+    "receiveWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": "ef55bec6",
+    "removeMinter(address)": "3092afd5",
+    "rescueERC20(address,address,uint256)": "b2118a8d",
+    "rescuer()": "38a63183",
+    "symbol()": "95d89b41",
+    "totalSupply()": "18160ddd",
+    "transfer(address,uint256)": "a9059cbb",
+    "transferFrom(address,address,uint256)": "23b872dd",
+    "transferOwnership(address)": "f2fde38b",
+    "transferWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": "e3ee160e",
+    "unBlacklist(address)": "1a895266",
+    "unpause()": "3f4ba83a",
+    "updateBlacklister(address)": "ad38bf22",
+    "updateMasterMinter(address)": "aa20e1e4",
+    "updatePauser(address)": "554bab3c",
+    "updateRescuer(address)": "2ab60045",
+    "version()": "54fd4d50"
+  },
+  "rawMetadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"authorizer\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"nonce\",\"type\":\"bytes32\"}],\"name\":\"AuthorizationCanceled\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"authorizer\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"nonce\",\"type\":\"bytes32\"}],\"name\":\"AuthorizationUsed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_account\",\"type\":\"address\"}],\"name\":\"Blacklisted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newBlacklister\",\"type\":\"address\"}],\"name\":\"BlacklisterChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"burner\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Burn\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newMasterMinter\",\"type\":\"address\"}],\"name\":\"MasterMinterChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Mint\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"minterAllowedAmount\",\"type\":\"uint256\"}],\"name\":\"MinterConfigured\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"oldMinter\",\"type\":\"address\"}],\"name\":\"MinterRemoved\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Pause\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newAddress\",\"type\":\"address\"}],\"name\":\"PauserChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newRescuer\",\"type\":\"address\"}],\"name\":\"RescuerChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_account\",\"type\":\"address\"}],\"name\":\"UnBlacklisted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Unpause\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"CANCEL_AUTHORIZATION_TYPEHASH\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"DOMAIN_SEPARATOR\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"PERMIT_TYPEHASH\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"RECEIVE_WITH_AUTHORIZATION_TYPEHASH\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"TRANSFER_WITH_AUTHORIZATION_TYPEHASH\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\"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type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"}],\"name\":\"minterAllowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"nonces\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pauser\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"permit\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"validAfter\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"validBefore\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"nonce\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"}],\"name\":\"receiveWithAuthorization\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"minter\",\"type\":\"address\"}],\"name\":\"removeMinter\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract 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owner's address\",\"spender\":\"Spender's address\"},\"returns\":{\"_0\":\"Allowance amount\"}},\"approve(address,uint256)\":{\"params\":{\"spender\":\"Spender's address\",\"value\":\"Allowance amount\"},\"returns\":{\"_0\":\"True if successful\"}},\"authorizationState(address,bytes32)\":{\"details\":\"Nonces are randomly generated 32-byte data unique to the authorizer's address\",\"params\":{\"authorizer\":\"Authorizer's address\",\"nonce\":\"Nonce of the authorization\"},\"returns\":{\"_0\":\"True if the nonce is used\"}},\"balanceOf(address)\":{\"details\":\"Get token balance of an account\",\"params\":{\"account\":\"address The account\"}},\"blacklist(address)\":{\"details\":\"Adds account to blacklist\",\"params\":{\"_account\":\"The address to blacklist\"}},\"burn(uint256)\":{\"details\":\"allows a minter to burn some of its own tokens Validates that caller is a minter and that sender is not blacklisted amount is less than or equal to the minter's account balance\",\"params\":{\"_amount\":\"uint256 the amount of tokens to be burned\"}},\"cancelAuthorization(address,bytes32,uint8,bytes32,bytes32)\":{\"details\":\"Works only if the authorization is not yet used.\",\"params\":{\"authorizer\":\"Authorizer's address\",\"nonce\":\"Nonce of the authorization\",\"r\":\"r of the signature\",\"s\":\"s of the signature\",\"v\":\"v of the signature\"}},\"configureMinter(address,uint256)\":{\"details\":\"Function to add/update a new minter\",\"params\":{\"minter\":\"The address of the minter\",\"minterAllowedAmount\":\"The minting amount allowed for the minter\"},\"returns\":{\"_0\":\"True if the operation was successful.\"}},\"decreaseAllowance(address,uint256)\":{\"params\":{\"decrement\":\"Amount of decrease in allowance\",\"spender\":\"Spender's address\"},\"returns\":{\"_0\":\"True if successful\"}},\"increaseAllowance(address,uint256)\":{\"params\":{\"increment\":\"Amount of increase in allowance\",\"spender\":\"Spender's address\"},\"returns\":{\"_0\":\"True if successful\"}},\"initializeV2(string)\":{\"params\":{\"newName\":\"New token name\"}},\"initializeV2_1(address)\":{\"params\":{\"lostAndFound\":\"The address to which the locked funds are sent\"}},\"isBlacklisted(address)\":{\"details\":\"Checks if account is blacklisted\",\"params\":{\"_account\":\"The address to check\"}},\"isMinter(address)\":{\"details\":\"Checks if account is a minter\",\"params\":{\"account\":\"The address to check\"}},\"mint(address,uint256)\":{\"details\":\"Function to mint tokens\",\"params\":{\"_amount\":\"The amount of tokens to mint. Must be less than or equal to the minterAllowance of the caller.\",\"_to\":\"The address that will receive the minted tokens.\"},\"returns\":{\"_0\":\"A boolean that indicates if the operation was successful.\"}},\"minterAllowance(address)\":{\"details\":\"Get minter allowance for an account\",\"params\":{\"minter\":\"The address of the minter\"}},\"nonces(address)\":{\"params\":{\"owner\":\"Token owner's address (Authorizer)\"},\"returns\":{\"_0\":\"Next nonce\"}},\"owner()\":{\"details\":\"Tells the address of the owner\",\"returns\":{\"_0\":\"the address of the owner\"}},\"pause()\":{\"details\":\"called by the owner to pause, triggers stopped state\"},\"permit(address,address,uint256,uint256,uint8,bytes32,bytes32)\":{\"params\":{\"deadline\":\"Expiration time, seconds since the epoch\",\"owner\":\"Token owner's address (Authorizer)\",\"r\":\"r of the signature\",\"s\":\"s of the signature\",\"spender\":\"Spender's address\",\"v\":\"v of the signature\",\"value\":\"Amount of allowance\"}},\"receiveWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)\":{\"details\":\"This has an additional check to ensure that the payee's address matches the caller of this function to prevent front-running attacks.\",\"params\":{\"from\":\"Payer's address (Authorizer)\",\"nonce\":\"Unique nonce\",\"r\":\"r of the signature\",\"s\":\"s of the signature\",\"to\":\"Payee's address\",\"v\":\"v of the signature\",\"validAfter\":\"The time after which this is valid (unix time)\",\"validBefore\":\"The time before which this is valid (unix time)\",\"value\":\"Amount to be transferred\"}},\"removeMinter(address)\":{\"details\":\"Function to remove a minter\",\"params\":{\"minter\":\"The address of the minter to remove\"},\"returns\":{\"_0\":\"True if the operation was successful.\"}},\"rescueERC20(address,address,uint256)\":{\"params\":{\"amount\":\"Amount to withdraw\",\"to\":\"Recipient address\",\"tokenContract\":\"ERC20 token contract address\"}},\"rescuer()\":{\"returns\":{\"_0\":\"Rescuer's address\"}},\"totalSupply()\":{\"details\":\"Get totalSupply of token\"},\"transfer(address,uint256)\":{\"params\":{\"to\":\"Payee's address\",\"value\":\"Transfer amount\"},\"returns\":{\"_0\":\"True if successful\"}},\"transferFrom(address,address,uint256)\":{\"params\":{\"from\":\"Payer's address\",\"to\":\"Payee's address\",\"value\":\"Transfer amount\"},\"returns\":{\"_0\":\"True if successful\"}},\"transferOwnership(address)\":{\"details\":\"Allows the current owner to transfer control of the contract to a newOwner.\",\"params\":{\"newOwner\":\"The address to transfer ownership to.\"}},\"transferWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)\":{\"params\":{\"from\":\"Payer's address (Authorizer)\",\"nonce\":\"Unique nonce\",\"r\":\"r of the signature\",\"s\":\"s of the signature\",\"to\":\"Payee's address\",\"v\":\"v of the signature\",\"validAfter\":\"The time after which this is valid (unix time)\",\"validBefore\":\"The time before which this is valid (unix time)\",\"value\":\"Amount to be transferred\"}},\"unBlacklist(address)\":{\"details\":\"Removes account from blacklist\",\"params\":{\"_account\":\"The address to remove from the blacklist\"}},\"unpause()\":{\"details\":\"called by the owner to unpause, returns to normal state\"},\"updatePauser(address)\":{\"details\":\"update the pauser role\"},\"updateRescuer(address)\":{\"params\":{\"newRescuer\":\"New rescuer's address\"}},\"version()\":{\"returns\":{\"_0\":\"Version string\"}}},\"title\":\"FiatToken V2.1\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"allowance(address,address)\":{\"notice\":\"Amount of remaining tokens spender is allowed to transfer on behalf of the token owner\"},\"approve(address,uint256)\":{\"notice\":\"Set spender's allowance over the caller's tokens to be a given value.\"},\"authorizationState(address,bytes32)\":{\"notice\":\"Returns the state of an authorization\"},\"cancelAuthorization(address,bytes32,uint8,bytes32,bytes32)\":{\"notice\":\"Attempt to cancel an authorization\"},\"decreaseAllowance(address,uint256)\":{\"notice\":\"Decrease the allowance by a given decrement\"},\"increaseAllowance(address,uint256)\":{\"notice\":\"Increase the allowance by a given increment\"},\"initializeV2(string)\":{\"notice\":\"Initialize v2\"},\"initializeV2_1(address)\":{\"notice\":\"Initialize v2.1\"},\"nonces(address)\":{\"notice\":\"Nonces for permit\"},\"permit(address,address,uint256,uint256,uint8,bytes32,bytes32)\":{\"notice\":\"Update allowance with a signed permit\"},\"receiveWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)\":{\"notice\":\"Receive a transfer with a signed authorization from the payer\"},\"rescueERC20(address,address,uint256)\":{\"notice\":\"Rescue ERC20 tokens locked up in this contract.\"},\"rescuer()\":{\"notice\":\"Returns current rescuer\"},\"transfer(address,uint256)\":{\"notice\":\"Transfer tokens from the caller\"},\"transferFrom(address,address,uint256)\":{\"notice\":\"Transfer tokens by spending allowance\"},\"transferWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)\":{\"notice\":\"Execute a transfer with a signed authorization\"},\"updateRescuer(address)\":{\"notice\":\"Assign the rescuer role to a given address.\"},\"version()\":{\"notice\":\"Version string for the EIP712 domain separator\"}},\"notice\":\"ERC20 Token backed by fiat reserves, version 2.1\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"lib/centre-tokens.git/contracts/v2/FiatTokenV2_1.sol\":\"FiatTokenV2_1\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":100000},\"remappings\":[\":@memview-sol/=lib/memview-sol/\",\":@openzeppelin/=lib/openzeppelin-contracts/\",\":centre-tokens.git/=lib/centre-tokens.git/\",\":ds-test/=lib/ds-test/src/\",\":forge-std/=lib/forge-std/src/\",\":memview-sol/=lib/memview-sol/contracts/\",\":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/\"]},\"sources\":{\"lib/centre-tokens.git/contracts/util/ECRecover.sol\":{\"keccak256\":\"0xb4e623304daaf25e40292e60a814ae60a60745d10003f1881a36be763dbc09aa\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d6ef83bd777bfb13b0968b9cadd971216a95150427fa5d6b50f984e4b7268d31\",\"dweb:/ipfs/QmZS5TeT6n7tM36PBdYZNJW3wgYgAZE9zMcouNs4FuEDKj\"]},\"lib/centre-tokens.git/contracts/util/EIP712.sol\":{\"keccak256\":\"0x39319612a776e16f355d5ab71575b68c427a058839544f032733df228b5debd1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d5ac6450e881a4275f4b5baf7b5d6e15c0a0c7c2039edf39f106e0b821c9829d\",\"dweb:/ipfs/QmShHneDasAXQzjA8iKWXk3sbZgxbQGPiMQ1MUpJGF64N8\"]},\"lib/centre-tokens.git/contracts/v1.1/FiatTokenV1_1.sol\":{\"keccak256\":\"0xa5f8fc4b5e739ddcafe52dd76ebb7605e09eb9d52a5c1d77e48dd88e83106308\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://24543f05d3eb4768ee9798768cb6c9ce8b88d30606a5def83118ad1ba9382ac8\",\"dweb:/ipfs/QmYREtrAvoxn6DKXehJPP1pbs8vciqMvRHVk2eFKLtmKVT\"]},\"lib/centre-tokens.git/contracts/v1.1/Rescuable.sol\":{\"keccak256\":\"0x57b703f318d500976571eea0a3f9e220842b64b3ddd3e16d895947b88a7851bc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f5cd801c89f182fa554ea5aae42aa047099c0640c21a766b4cb88c5e8ba4c1de\",\"dweb:/ipfs/QmaH8gLUnknTnNTrjT22Q5kzCGvrUJHRBG9j3tSQbJFB3M\"]},\"lib/centre-tokens.git/contracts/v1/AbstractFiatTokenV1.sol\":{\"keccak256\":\"0x40be3ca7ed54e13ad0476a99ddea8ad4e08bcb4c4b43aac067d6b6ffd3d48680\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e3264a34582797e8edb492202070020cf64543988467bca6a0af1be60e0da2df\",\"dweb:/ipfs/QmZkQ7pqBn2459BiXbWC3yu3jvv7ps3Zy56u6rAi1fPHV4\"]},\"lib/centre-tokens.git/contracts/v1/Blacklistable.sol\":{\"keccak256\":\"0xc4ff3bfe34c8ecf9f2c333f8373c111fdd4640ed15677c4891bb9cf3cbff9554\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://91cfc583d47eda58f356783698a130c1c6adf797c4ba55461598c0bac8159f33\",\"dweb:/ipfs/QmeWfmhcwUE7H5Ge8TVhWkJ4kDwDY8a4kExMaufukLqsh1\"]},\"lib/centre-tokens.git/contracts/v1/FiatTokenV1.sol\":{\"keccak256\":\"0x2778a1232f403718a084302e5d94a88ac336c3e47117a465d4055920c7d4f764\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://66d9cbc9507829c085a370906678b597f98665e079658051b608e98f228f4821\",\"dweb:/ipfs/QmWC6XJDzmaLLamTHJJHJ1uVsfv3RtffXUCA7w5EnegAxW\"]},\"lib/centre-tokens.git/contracts/v1/Ownable.sol\":{\"keccak256\":\"0x654e645d6d09616fde908eba4d29abf318fede7e8cc3e31705203fc1d2599217\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fce1ff1458e817aaa5f87d3ef4207fbbdeb25e548d460f47d9cca4fb80175390\",\"dweb:/ipfs/QmfY7E5xfTyeiuU2nDXEdYfy5LKjGRh69fuKK4HV6YTv9v\"]},\"lib/centre-tokens.git/contracts/v1/Pausable.sol\":{\"keccak256\":\"0x873ce4f17eb8694cd0420ef6682c2da54290fe6e243f21ead37e90f211ac91b6\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7df712210c8bb5fc08e0ff7b684ee4035530cd67b21f20d81766a17407606a3c\",\"dweb:/ipfs/QmYPFYAw4W8VdcBdknLhqfNfiUuGhGJD3ZZ7rAjrKjhtXd\"]},\"lib/centre-tokens.git/contracts/v2/AbstractFiatTokenV2.sol\":{\"keccak256\":\"0x5d393663d48e4bbb730630c117c2b703dd3c9968833e66dbbb18c92eab207afe\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b0ce642b7ab095d970e3e5d031e5de6b2a98a7ddd20fd94123a42ed81e21757e\",\"dweb:/ipfs/QmbPixwbbpHS7zBRcJV1idzhaSd1SPRm3LjpywxFnXxR8A\"]},\"lib/centre-tokens.git/contracts/v2/EIP2612.sol\":{\"keccak256\":\"0x8ed169be2f6423b8e7002241857d719e9eb9545f5dbad5209a8f6445132bdbe0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0646f70d57d072c0569ccbd9b02c922bbb183e6052f94c241c4fef9a267e73bc\",\"dweb:/ipfs/QmZK3D3qqTMenkdc5EpZSiyxETMpTVpRke61uuRH75ctVk\"]},\"lib/centre-tokens.git/contracts/v2/EIP3009.sol\":{\"keccak256\":\"0x74a81d5b1682cb6716f60c27254e8a15463797e1772b37c884390eb9c7985070\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://1d3a6e220c2b8aab8c5070312cc9320ce2b79955b0bddafd99e5feec13851016\",\"dweb:/ipfs/QmQwc2nZtMKyDcGT8Scnv1R4ThP2Va9trUHnRiqMz4G2WN\"]},\"lib/centre-tokens.git/contracts/v2/EIP712Domain.sol\":{\"keccak256\":\"0x56d8c0259e7f0baa5bb0d0d94810f25d001fb2dbe4eaf54dbe369ba0f1b8fd2b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://9356cfa1d42bfb8c4f84a3db535ab75b2088975bfbda30834d79c3eb678047ea\",\"dweb:/ipfs/QmSBeiLwNGEC4vnr82EWQinGZFZemxKwxvwLZ9bu48FWF2\"]},\"lib/centre-tokens.git/contracts/v2/FiatTokenV2.sol\":{\"keccak256\":\"0x59654e02023dd9d712bb160545854eae6cba80d707a547f6abfaadcd830af2e7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e22c43b71ea393e9910bd91a355f711803d6971be25e9dabc702aaefac2a597f\",\"dweb:/ipfs/QmRjopnHgyKh1mXBDETBaXaom3NJSaacGEJweB5b28BdSE\"]},\"lib/centre-tokens.git/contracts/v2/FiatTokenV2_1.sol\":{\"keccak256\":\"0x6328091a86a3ab02471fba7ff3bf44200f6daf9f0ff3b61fe4043ee14cc1a4f0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://4fed880853c249f6f812ddfa37bf99633b688f0bfd734e03372e4523f6cd2af9\",\"dweb:/ipfs/QmUMD1SvykvTJ8jmAjnsW13Yo3Wt6KH5dfKRPKCRogLki8\"]},\"lib/openzeppelin-contracts/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c\",\"dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR\"]},\"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://24427744bd3e6cb73c17010119af12a318289c0253a4d9acb8576c9fb3797b08\",\"dweb:/ipfs/QmTLDqpKRBuxGxRAmjgXt9AkXyACW3MtKzi7PYjm5iMfGC\"]},\"lib/openzeppelin-contracts/contracts/token/ERC20/SafeERC20.sol\":{\"keccak256\":\"0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b3a849c2d95e85463909e5b5c920b13e7a11216ca14127085e16d22b9379d52a\",\"dweb:/ipfs/QmUg3CZDbCCcQdroEpexBy5ZFd5vD1UWijWQq9qHZjtJNQ\"]},\"lib/openzeppelin-contracts/contracts/utils/Address.sol\":{\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://256c8c8af5eb072bc473226ab2b2187149b8fc04f5f4a4820db22527f5ce8e3c\",\"dweb:/ipfs/QmRvi5BhnL7Rxf85KrJhwM6RRhukm4tzoctRdgQEheNyiN\"]}},\"version\":1}",
+  "metadata": {
+    "compiler": {
+      "version": "0.6.12+commit.27d51765"
+    },
+    "language": "Solidity",
+    "output": {
+      "abi": [
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "owner",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "Approval",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "authorizer",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "AuthorizationCanceled",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "authorizer",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "AuthorizationUsed",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_account",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "Blacklisted",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newBlacklister",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "BlacklisterChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "burner",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "Burn",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newMasterMinter",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "MasterMinterChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "minter",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "Mint",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "minter",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "minterAllowedAmount",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "MinterConfigured",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "oldMinter",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "MinterRemoved",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "previousOwner",
+              "type": "address",
+              "indexed": false
+            },
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "OwnershipTransferred",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "type": "event",
+          "name": "Pause",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newAddress",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "PauserChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "RescuerChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "from",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "Transfer",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_account",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "UnBlacklisted",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "type": "event",
+          "name": "Unpause",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "CANCEL_AUTHORIZATION_TYPEHASH",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "DOMAIN_SEPARATOR",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "PERMIT_TYPEHASH",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "RECEIVE_WITH_AUTHORIZATION_TYPEHASH",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "TRANSFER_WITH_AUTHORIZATION_TYPEHASH",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "owner",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "allowance",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "approve",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "authorizer",
+              "type": "address"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "authorizationState",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "account",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "balanceOf",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_account",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "blacklist"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "blacklister",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "_amount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "burn"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "authorizer",
+              "type": "address"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "uint8",
+              "name": "v",
+              "type": "uint8"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "r",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "s",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "cancelAuthorization"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "minter",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "minterAllowedAmount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "configureMinter",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "currency",
+          "outputs": [
+            {
+              "internalType": "string",
+              "name": "",
+              "type": "string"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "decimals",
+          "outputs": [
+            {
+              "internalType": "uint8",
+              "name": "",
+              "type": "uint8"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "decrement",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "decreaseAllowance",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "increment",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "increaseAllowance",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "string",
+              "name": "tokenName",
+              "type": "string"
+            },
+            {
+              "internalType": "string",
+              "name": "tokenSymbol",
+              "type": "string"
+            },
+            {
+              "internalType": "string",
+              "name": "tokenCurrency",
+              "type": "string"
+            },
+            {
+              "internalType": "uint8",
+              "name": "tokenDecimals",
+              "type": "uint8"
+            },
+            {
+              "internalType": "address",
+              "name": "newMasterMinter",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "newPauser",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "newBlacklister",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "initialize"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "string",
+              "name": "newName",
+              "type": "string"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "initializeV2"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "lostAndFound",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "initializeV2_1"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_account",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "isBlacklisted",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "account",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "isMinter",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "masterMinter",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "_amount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "mint",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "minter",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "minterAllowance",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "name",
+          "outputs": [
+            {
+              "internalType": "string",
+              "name": "",
+              "type": "string"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "owner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "nonces",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "pause"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "paused",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "pauser",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "owner",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "spender",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint256",
+              "name": "deadline",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint8",
+              "name": "v",
+              "type": "uint8"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "r",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "s",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "permit"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "from",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint256",
+              "name": "validAfter",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint256",
+              "name": "validBefore",
+              "type": "uint256"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "uint8",
+              "name": "v",
+              "type": "uint8"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "r",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "s",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "receiveWithAuthorization"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "minter",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "removeMinter",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "contract IERC20",
+              "name": "tokenContract",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "rescueERC20"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "rescuer",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "symbol",
+          "outputs": [
+            {
+              "internalType": "string",
+              "name": "",
+              "type": "string"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "totalSupply",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transfer",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "from",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transferFrom",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transferOwnership"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "from",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "value",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint256",
+              "name": "validAfter",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint256",
+              "name": "validBefore",
+              "type": "uint256"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "nonce",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "uint8",
+              "name": "v",
+              "type": "uint8"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "r",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "s",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transferWithAuthorization"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_account",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "unBlacklist"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "unpause"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newBlacklister",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateBlacklister"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newMasterMinter",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateMasterMinter"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newPauser",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updatePauser"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateRescuer"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "version",
+          "outputs": [
+            {
+              "internalType": "string",
+              "name": "",
+              "type": "string"
+            }
+          ]
+        }
+      ],
+      "devdoc": {
+        "kind": "dev",
+        "methods": {
+          "allowance(address,address)": {
+            "params": {
+              "owner": "Token owner's address",
+              "spender": "Spender's address"
+            },
+            "returns": {
+              "_0": "Allowance amount"
+            }
+          },
+          "approve(address,uint256)": {
+            "params": {
+              "spender": "Spender's address",
+              "value": "Allowance amount"
+            },
+            "returns": {
+              "_0": "True if successful"
+            }
+          },
+          "authorizationState(address,bytes32)": {
+            "details": "Nonces are randomly generated 32-byte data unique to the authorizer's address",
+            "params": {
+              "authorizer": "Authorizer's address",
+              "nonce": "Nonce of the authorization"
+            },
+            "returns": {
+              "_0": "True if the nonce is used"
+            }
+          },
+          "balanceOf(address)": {
+            "details": "Get token balance of an account",
+            "params": {
+              "account": "address The account"
+            }
+          },
+          "blacklist(address)": {
+            "details": "Adds account to blacklist",
+            "params": {
+              "_account": "The address to blacklist"
+            }
+          },
+          "burn(uint256)": {
+            "details": "allows a minter to burn some of its own tokens Validates that caller is a minter and that sender is not blacklisted amount is less than or equal to the minter's account balance",
+            "params": {
+              "_amount": "uint256 the amount of tokens to be burned"
+            }
+          },
+          "cancelAuthorization(address,bytes32,uint8,bytes32,bytes32)": {
+            "details": "Works only if the authorization is not yet used.",
+            "params": {
+              "authorizer": "Authorizer's address",
+              "nonce": "Nonce of the authorization",
+              "r": "r of the signature",
+              "s": "s of the signature",
+              "v": "v of the signature"
+            }
+          },
+          "configureMinter(address,uint256)": {
+            "details": "Function to add/update a new minter",
+            "params": {
+              "minter": "The address of the minter",
+              "minterAllowedAmount": "The minting amount allowed for the minter"
+            },
+            "returns": {
+              "_0": "True if the operation was successful."
+            }
+          },
+          "decreaseAllowance(address,uint256)": {
+            "params": {
+              "decrement": "Amount of decrease in allowance",
+              "spender": "Spender's address"
+            },
+            "returns": {
+              "_0": "True if successful"
+            }
+          },
+          "increaseAllowance(address,uint256)": {
+            "params": {
+              "increment": "Amount of increase in allowance",
+              "spender": "Spender's address"
+            },
+            "returns": {
+              "_0": "True if successful"
+            }
+          },
+          "initializeV2(string)": {
+            "params": {
+              "newName": "New token name"
+            }
+          },
+          "initializeV2_1(address)": {
+            "params": {
+              "lostAndFound": "The address to which the locked funds are sent"
+            }
+          },
+          "isBlacklisted(address)": {
+            "details": "Checks if account is blacklisted",
+            "params": {
+              "_account": "The address to check"
+            }
+          },
+          "isMinter(address)": {
+            "details": "Checks if account is a minter",
+            "params": {
+              "account": "The address to check"
+            }
+          },
+          "mint(address,uint256)": {
+            "details": "Function to mint tokens",
+            "params": {
+              "_amount": "The amount of tokens to mint. Must be less than or equal to the minterAllowance of the caller.",
+              "_to": "The address that will receive the minted tokens."
+            },
+            "returns": {
+              "_0": "A boolean that indicates if the operation was successful."
+            }
+          },
+          "minterAllowance(address)": {
+            "details": "Get minter allowance for an account",
+            "params": {
+              "minter": "The address of the minter"
+            }
+          },
+          "nonces(address)": {
+            "params": {
+              "owner": "Token owner's address (Authorizer)"
+            },
+            "returns": {
+              "_0": "Next nonce"
+            }
+          },
+          "owner()": {
+            "details": "Tells the address of the owner",
+            "returns": {
+              "_0": "the address of the owner"
+            }
+          },
+          "pause()": {
+            "details": "called by the owner to pause, triggers stopped state"
+          },
+          "permit(address,address,uint256,uint256,uint8,bytes32,bytes32)": {
+            "params": {
+              "deadline": "Expiration time, seconds since the epoch",
+              "owner": "Token owner's address (Authorizer)",
+              "r": "r of the signature",
+              "s": "s of the signature",
+              "spender": "Spender's address",
+              "v": "v of the signature",
+              "value": "Amount of allowance"
+            }
+          },
+          "receiveWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": {
+            "details": "This has an additional check to ensure that the payee's address matches the caller of this function to prevent front-running attacks.",
+            "params": {
+              "from": "Payer's address (Authorizer)",
+              "nonce": "Unique nonce",
+              "r": "r of the signature",
+              "s": "s of the signature",
+              "to": "Payee's address",
+              "v": "v of the signature",
+              "validAfter": "The time after which this is valid (unix time)",
+              "validBefore": "The time before which this is valid (unix time)",
+              "value": "Amount to be transferred"
+            }
+          },
+          "removeMinter(address)": {
+            "details": "Function to remove a minter",
+            "params": {
+              "minter": "The address of the minter to remove"
+            },
+            "returns": {
+              "_0": "True if the operation was successful."
+            }
+          },
+          "rescueERC20(address,address,uint256)": {
+            "params": {
+              "amount": "Amount to withdraw",
+              "to": "Recipient address",
+              "tokenContract": "ERC20 token contract address"
+            }
+          },
+          "rescuer()": {
+            "returns": {
+              "_0": "Rescuer's address"
+            }
+          },
+          "totalSupply()": {
+            "details": "Get totalSupply of token"
+          },
+          "transfer(address,uint256)": {
+            "params": {
+              "to": "Payee's address",
+              "value": "Transfer amount"
+            },
+            "returns": {
+              "_0": "True if successful"
+            }
+          },
+          "transferFrom(address,address,uint256)": {
+            "params": {
+              "from": "Payer's address",
+              "to": "Payee's address",
+              "value": "Transfer amount"
+            },
+            "returns": {
+              "_0": "True if successful"
+            }
+          },
+          "transferOwnership(address)": {
+            "details": "Allows the current owner to transfer control of the contract to a newOwner.",
+            "params": {
+              "newOwner": "The address to transfer ownership to."
+            }
+          },
+          "transferWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": {
+            "params": {
+              "from": "Payer's address (Authorizer)",
+              "nonce": "Unique nonce",
+              "r": "r of the signature",
+              "s": "s of the signature",
+              "to": "Payee's address",
+              "v": "v of the signature",
+              "validAfter": "The time after which this is valid (unix time)",
+              "validBefore": "The time before which this is valid (unix time)",
+              "value": "Amount to be transferred"
+            }
+          },
+          "unBlacklist(address)": {
+            "details": "Removes account from blacklist",
+            "params": {
+              "_account": "The address to remove from the blacklist"
+            }
+          },
+          "unpause()": {
+            "details": "called by the owner to unpause, returns to normal state"
+          },
+          "updatePauser(address)": {
+            "details": "update the pauser role"
+          },
+          "updateRescuer(address)": {
+            "params": {
+              "newRescuer": "New rescuer's address"
+            }
+          },
+          "version()": {
+            "returns": {
+              "_0": "Version string"
+            }
+          }
+        },
+        "version": 1
+      },
+      "userdoc": {
+        "kind": "user",
+        "methods": {
+          "allowance(address,address)": {
+            "notice": "Amount of remaining tokens spender is allowed to transfer on behalf of the token owner"
+          },
+          "approve(address,uint256)": {
+            "notice": "Set spender's allowance over the caller's tokens to be a given value."
+          },
+          "authorizationState(address,bytes32)": {
+            "notice": "Returns the state of an authorization"
+          },
+          "cancelAuthorization(address,bytes32,uint8,bytes32,bytes32)": {
+            "notice": "Attempt to cancel an authorization"
+          },
+          "decreaseAllowance(address,uint256)": {
+            "notice": "Decrease the allowance by a given decrement"
+          },
+          "increaseAllowance(address,uint256)": {
+            "notice": "Increase the allowance by a given increment"
+          },
+          "initializeV2(string)": {
+            "notice": "Initialize v2"
+          },
+          "initializeV2_1(address)": {
+            "notice": "Initialize v2.1"
+          },
+          "nonces(address)": {
+            "notice": "Nonces for permit"
+          },
+          "permit(address,address,uint256,uint256,uint8,bytes32,bytes32)": {
+            "notice": "Update allowance with a signed permit"
+          },
+          "receiveWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": {
+            "notice": "Receive a transfer with a signed authorization from the payer"
+          },
+          "rescueERC20(address,address,uint256)": {
+            "notice": "Rescue ERC20 tokens locked up in this contract."
+          },
+          "rescuer()": {
+            "notice": "Returns current rescuer"
+          },
+          "transfer(address,uint256)": {
+            "notice": "Transfer tokens from the caller"
+          },
+          "transferFrom(address,address,uint256)": {
+            "notice": "Transfer tokens by spending allowance"
+          },
+          "transferWithAuthorization(address,address,uint256,uint256,uint256,bytes32,uint8,bytes32,bytes32)": {
+            "notice": "Execute a transfer with a signed authorization"
+          },
+          "updateRescuer(address)": {
+            "notice": "Assign the rescuer role to a given address."
+          },
+          "version()": {
+            "notice": "Version string for the EIP712 domain separator"
+          }
+        },
+        "version": 1
+      }
+    },
+    "settings": {
+      "remappings": [
+        ":@memview-sol/=lib/memview-sol/",
+        ":@openzeppelin/=lib/openzeppelin-contracts/",
+        ":centre-tokens.git/=lib/centre-tokens.git/",
+        ":ds-test/=lib/ds-test/src/",
+        ":forge-std/=lib/forge-std/src/",
+        ":memview-sol/=lib/memview-sol/contracts/",
+        ":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/"
+      ],
+      "optimizer": {
+        "enabled": true,
+        "runs": 100000
+      },
+      "metadata": {
+        "bytecodeHash": "ipfs"
+      },
+      "compilationTarget": {
+        "lib/centre-tokens.git/contracts/v2/FiatTokenV2_1.sol": "FiatTokenV2_1"
+      },
+      "libraries": {}
+    },
+    "sources": {
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+          "dweb:/ipfs/QmZS5TeT6n7tM36PBdYZNJW3wgYgAZE9zMcouNs4FuEDKj"
+        ],
+        "license": "MIT"
+      },
+      "lib/centre-tokens.git/contracts/util/EIP712.sol": {
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+        ],
+        "license": "MIT"
+      },
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+        ],
+        "license": "MIT"
+      },
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+        ],
+        "license": "MIT"
+      },
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+        ],
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+      },
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+        ],
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+      },
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+        ],
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+      },
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+        ],
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+        ],
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+      },
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+        ],
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+      },
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+        ],
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+    "id": 2371,
+    "exportedSymbols": {
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+      ]
+    },
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+        "src": "1154:23:15",
+        "nodes": [],
+        "literals": [
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+          "0.6",
+          ".12"
+        ]
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+        "nodeType": "ImportDirective",
+        "src": "1179:48:15",
+        "nodes": [],
+        "absolutePath": "lib/centre-tokens.git/contracts/v2/FiatTokenV2.sol",
+        "file": "./FiatTokenV2.sol",
+        "scope": 2371,
+        "sourceUnit": 2305,
+        "symbolAliases": [
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+              "id": 2307,
+              "name": "FiatTokenV2",
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+              "src": "1188:11:15",
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+                        "operator": "==",
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+                          "hexValue": "31",
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+                      "name": "lockedAmount",
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+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
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+                          "src": "1728:4:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
+                            "typeString": "contract FiatTokenV2_1"
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+                        "argumentTypes": [
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+                            "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
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+                          "nodeType": "ElementaryTypeName",
+                          "src": "1720:7:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": null,
+                            "typeString": null
+                          }
+                        }
+                      },
+                      "id": 2329,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "kind": "typeConversion",
+                      "lValueRequested": false,
+                      "names": [],
+                      "nodeType": "FunctionCall",
+                      "src": "1720:13:15",
+                      "tryCall": false,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      }
+                    },
+                    "isConstant": false,
+                    "isLValue": true,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "nodeType": "IndexAccess",
+                    "src": "1711:23:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "1688:46:15"
+                },
+                {
+                  "condition": {
+                    "argumentTypes": null,
+                    "commonType": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    },
+                    "id": 2334,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftExpression": {
+                      "argumentTypes": null,
+                      "id": 2332,
+                      "name": "lockedAmount",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 2324,
+                      "src": "1748:12:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint256",
+                        "typeString": "uint256"
+                      }
+                    },
+                    "nodeType": "BinaryOperation",
+                    "operator": ">",
+                    "rightExpression": {
+                      "argumentTypes": null,
+                      "hexValue": "30",
+                      "id": 2333,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": true,
+                      "kind": "number",
+                      "lValueRequested": false,
+                      "nodeType": "Literal",
+                      "src": "1763:1:15",
+                      "subdenomination": null,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_rational_0_by_1",
+                        "typeString": "int_const 0"
+                      },
+                      "value": "0"
+                    },
+                    "src": "1748:16:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "falseBody": null,
+                  "id": 2345,
+                  "nodeType": "IfStatement",
+                  "src": "1744:99:15",
+                  "trueBody": {
+                    "id": 2344,
+                    "nodeType": "Block",
+                    "src": "1766:77:15",
+                    "statements": [
+                      {
+                        "expression": {
+                          "argumentTypes": null,
+                          "arguments": [
+                            {
+                              "argumentTypes": null,
+                              "arguments": [
+                                {
+                                  "argumentTypes": null,
+                                  "id": 2338,
+                                  "name": "this",
+                                  "nodeType": "Identifier",
+                                  "overloadedDeclarations": [],
+                                  "referencedDeclaration": -28,
+                                  "src": "1798:4:15",
+                                  "typeDescriptions": {
+                                    "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
+                                    "typeString": "contract FiatTokenV2_1"
+                                  }
+                                }
+                              ],
+                              "expression": {
+                                "argumentTypes": [
+                                  {
+                                    "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
+                                    "typeString": "contract FiatTokenV2_1"
+                                  }
+                                ],
+                                "id": 2337,
+                                "isConstant": false,
+                                "isLValue": false,
+                                "isPure": true,
+                                "lValueRequested": false,
+                                "nodeType": "ElementaryTypeNameExpression",
+                                "src": "1790:7:15",
+                                "typeDescriptions": {
+                                  "typeIdentifier": "t_type$_t_address_$",
+                                  "typeString": "type(address)"
+                                },
+                                "typeName": {
+                                  "id": 2336,
+                                  "name": "address",
+                                  "nodeType": "ElementaryTypeName",
+                                  "src": "1790:7:15",
+                                  "typeDescriptions": {
+                                    "typeIdentifier": null,
+                                    "typeString": null
+                                  }
+                                }
+                              },
+                              "id": 2339,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": false,
+                              "kind": "typeConversion",
+                              "lValueRequested": false,
+                              "names": [],
+                              "nodeType": "FunctionCall",
+                              "src": "1790:13:15",
+                              "tryCall": false,
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_address",
+                                "typeString": "address"
+                              }
+                            },
+                            {
+                              "argumentTypes": null,
+                              "id": 2340,
+                              "name": "lostAndFound",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 2314,
+                              "src": "1805:12:15",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_address",
+                                "typeString": "address"
+                              }
+                            },
+                            {
+                              "argumentTypes": null,
+                              "id": 2341,
+                              "name": "lockedAmount",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 2324,
+                              "src": "1819:12:15",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_uint256",
+                                "typeString": "uint256"
+                              }
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_address",
+                                "typeString": "address"
+                              },
+                              {
+                                "typeIdentifier": "t_address",
+                                "typeString": "address"
+                              },
+                              {
+                                "typeIdentifier": "t_uint256",
+                                "typeString": "uint256"
+                              }
+                            ],
+                            "id": 2335,
+                            "name": "_transfer",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [
+                              1190
+                            ],
+                            "referencedDeclaration": 1190,
+                            "src": "1780:9:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$",
+                              "typeString": "function (address,address,uint256)"
+                            }
+                          },
+                          "id": 2342,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "kind": "functionCall",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "1780:52:15",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_tuple$__$",
+                            "typeString": "tuple()"
+                          }
+                        },
+                        "id": 2343,
+                        "nodeType": "ExpressionStatement",
+                        "src": "1780:52:15"
+                      }
+                    ]
+                  }
+                },
+                {
+                  "expression": {
+                    "argumentTypes": null,
+                    "id": 2353,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "argumentTypes": null,
+                      "baseExpression": {
+                        "argumentTypes": null,
+                        "id": 2346,
+                        "name": "blacklisted",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 454,
+                        "src": "1852:11:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_mapping$_t_address_$_t_bool_$",
+                          "typeString": "mapping(address => bool)"
+                        }
+                      },
+                      "id": 2351,
+                      "indexExpression": {
+                        "argumentTypes": null,
+                        "arguments": [
+                          {
+                            "argumentTypes": null,
+                            "id": 2349,
+                            "name": "this",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": -28,
+                            "src": "1872:4:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
+                              "typeString": "contract FiatTokenV2_1"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_contract$_FiatTokenV2_1_$2370",
+                              "typeString": "contract FiatTokenV2_1"
+                            }
+                          ],
+                          "id": 2348,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "1864:7:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_address_$",
+                            "typeString": "type(address)"
+                          },
+                          "typeName": {
+                            "id": 2347,
+                            "name": "address",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "1864:7:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": null,
+                              "typeString": null
+                            }
+                          }
+                        },
+                        "id": 2350,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "1864:13:15",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      "isConstant": false,
+                      "isLValue": true,
+                      "isPure": false,
+                      "lValueRequested": true,
+                      "nodeType": "IndexAccess",
+                      "src": "1852:26:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "argumentTypes": null,
+                      "hexValue": "74727565",
+                      "id": 2352,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": true,
+                      "kind": "bool",
+                      "lValueRequested": false,
+                      "nodeType": "Literal",
+                      "src": "1881:4:15",
+                      "subdenomination": null,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      },
+                      "value": "true"
+                    },
+                    "src": "1852:33:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "id": 2354,
+                  "nodeType": "ExpressionStatement",
+                  "src": "1852:33:15"
+                },
+                {
+                  "expression": {
+                    "argumentTypes": null,
+                    "id": 2357,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "argumentTypes": null,
+                      "id": 2355,
+                      "name": "_initializedVersion",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 2015,
+                      "src": "1896:19:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint8",
+                        "typeString": "uint8"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "argumentTypes": null,
+                      "hexValue": "32",
+                      "id": 2356,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": true,
+                      "kind": "number",
+                      "lValueRequested": false,
+                      "nodeType": "Literal",
+                      "src": "1918:1:15",
+                      "subdenomination": null,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_rational_2_by_1",
+                        "typeString": "int_const 2"
+                      },
+                      "value": "2"
+                    },
+                    "src": "1896:23:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint8",
+                      "typeString": "uint8"
+                    }
+                  },
+                  "id": 2358,
+                  "nodeType": "ExpressionStatement",
+                  "src": "1896:23:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 2312,
+              "nodeType": "StructuredDocumentation",
+              "src": "1406:117:15",
+              "text": " @notice Initialize v2.1\n @param lostAndFound  The address to which the locked funds are sent"
+            },
+            "functionSelector": "2fc81e09",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "initializeV2_1",
+            "overrides": null,
+            "parameters": {
+              "id": 2315,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 2314,
+                  "mutability": "mutable",
+                  "name": "lostAndFound",
+                  "nodeType": "VariableDeclaration",
+                  "overrides": null,
+                  "scope": 2360,
+                  "src": "1552:20:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 2313,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1552:7:15",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "value": null,
+                  "visibility": "internal"
+                }
+              ],
+              "src": "1551:22:15"
+            },
+            "returnParameters": {
+              "id": 2316,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "1583:0:15"
+            },
+            "scope": 2370,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 2369,
+            "nodeType": "FunctionDefinition",
+            "src": "2040:84:15",
+            "nodes": [],
+            "body": {
+              "id": 2368,
+              "nodeType": "Block",
+              "src": "2097:27:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "argumentTypes": null,
+                    "hexValue": "32",
+                    "id": 2366,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": true,
+                    "kind": "string",
+                    "lValueRequested": false,
+                    "nodeType": "Literal",
+                    "src": "2114:3:15",
+                    "subdenomination": null,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_stringliteral_ad7c5bef027816a800da1736444fb58a807ef4c9603b7848673f7e3a68eb14a5",
+                      "typeString": "literal_string \"2\""
+                    },
+                    "value": "2"
+                  },
+                  "functionReturnParameters": 2365,
+                  "id": 2367,
+                  "nodeType": "Return",
+                  "src": "2107:10:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 2361,
+              "nodeType": "StructuredDocumentation",
+              "src": "1932:103:15",
+              "text": " @notice Version string for the EIP712 domain separator\n @return Version string"
+            },
+            "functionSelector": "54fd4d50",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "version",
+            "overrides": null,
+            "parameters": {
+              "id": 2362,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "2056:2:15"
+            },
+            "returnParameters": {
+              "id": 2365,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 2364,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "overrides": null,
+                  "scope": 2369,
+                  "src": "2082:13:15",
+                  "stateVariable": false,
+                  "storageLocation": "memory",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_string_memory_ptr",
+                    "typeString": "string"
+                  },
+                  "typeName": {
+                    "id": 2363,
+                    "name": "string",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2082:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_string_storage_ptr",
+                      "typeString": "string"
+                    }
+                  },
+                  "value": null,
+                  "visibility": "internal"
+                }
+              ],
+              "src": "2081:15:15"
+            },
+            "scope": 2370,
+            "stateMutability": "view",
+            "virtual": false,
+            "visibility": "external"
+          }
+        ],
+        "abstract": false,
+        "baseContracts": [
+          {
+            "arguments": null,
+            "baseName": {
+              "contractScope": null,
+              "id": 2310,
+              "name": "FiatTokenV2",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 2304,
+              "src": "1388:11:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_FiatTokenV2_$2304",
+                "typeString": "contract FiatTokenV2"
+              }
+            },
+            "id": 2311,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1388:11:15"
+          }
+        ],
+        "contractDependencies": [
+          327,
+          416,
+          441,
+          572,
+          1349,
+          1433,
+          1533,
+          1558,
+          1653,
+          1985,
+          1992,
+          2304,
+          20331
+        ],
+        "contractKind": "contract",
+        "documentation": {
+          "id": 2309,
+          "nodeType": "StructuredDocumentation",
+          "src": "1269:92:15",
+          "text": " @title FiatToken V2.1\n @notice ERC20 Token backed by fiat reserves, version 2.1"
+        },
+        "fullyImplemented": true,
+        "linearizedBaseContracts": [
+          2370,
+          2304,
+          1653,
+          1985,
+          1992,
+          1558,
+          327,
+          416,
+          1349,
+          572,
+          1533,
+          1433,
+          441,
+          20331
+        ],
+        "name": "FiatTokenV2_1",
+        "scope": 2371
+      }
+    ],
+    "license": "MIT"
+  },
+  "id": 15
+}
\ No newline at end of file
diff --git a/typescript/example/abi/MessageTransmitter.json b/typescript/example/abi/MessageTransmitter.json
new file mode 100644
index 0000000..abf776a
--- /dev/null
+++ b/typescript/example/abi/MessageTransmitter.json
@@ -0,0 +1,8928 @@
+{
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "_localDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "address",
+          "name": "_attester",
+          "type": "address"
+        },
+        {
+          "internalType": "uint32",
+          "name": "_maxMessageBodySize",
+          "type": "uint32"
+        },
+        {
+          "internalType": "uint32",
+          "name": "_version",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "attester",
+          "type": "address"
+        }
+      ],
+      "name": "AttesterDisabled",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "attester",
+          "type": "address"
+        }
+      ],
+      "name": "AttesterEnabled",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousAttesterManager",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newAttesterManager",
+          "type": "address"
+        }
+      ],
+      "name": "AttesterManagerUpdated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "newMaxMessageBodySize",
+          "type": "uint256"
+        }
+      ],
+      "name": "MaxMessageBodySizeUpdated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "caller",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint32",
+          "name": "sourceDomain",
+          "type": "uint32"
+        },
+        {
+          "indexed": true,
+          "internalType": "uint64",
+          "name": "nonce",
+          "type": "uint64"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "sender",
+          "type": "bytes32"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes",
+          "name": "messageBody",
+          "type": "bytes"
+        }
+      ],
+      "name": "MessageReceived",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "bytes",
+          "name": "message",
+          "type": "bytes"
+        }
+      ],
+      "name": "MessageSent",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferStarted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [],
+      "name": "Pause",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newAddress",
+          "type": "address"
+        }
+      ],
+      "name": "PauserChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "RescuerChanged",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "oldSignatureThreshold",
+          "type": "uint256"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "newSignatureThreshold",
+          "type": "uint256"
+        }
+      ],
+      "name": "SignatureThresholdUpdated",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [],
+      "name": "Unpause",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "acceptOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "attesterManager",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "attester",
+          "type": "address"
+        }
+      ],
+      "name": "disableAttester",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newAttester",
+          "type": "address"
+        }
+      ],
+      "name": "enableAttester",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "index",
+          "type": "uint256"
+        }
+      ],
+      "name": "getEnabledAttester",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "getNumEnabledAttesters",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "attester",
+          "type": "address"
+        }
+      ],
+      "name": "isEnabledAttester",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "localDomain",
+      "outputs": [
+        {
+          "internalType": "uint32",
+          "name": "",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "maxMessageBodySize",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "nextAvailableNonce",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pause",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "paused",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pauser",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pendingOwner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes",
+          "name": "message",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "attestation",
+          "type": "bytes"
+        }
+      ],
+      "name": "receiveMessage",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "success",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes",
+          "name": "originalMessage",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "originalAttestation",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "newMessageBody",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "newDestinationCaller",
+          "type": "bytes32"
+        }
+      ],
+      "name": "replaceMessage",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "contract IERC20",
+          "name": "tokenContract",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "rescueERC20",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "rescuer",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "destinationDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "recipient",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "messageBody",
+          "type": "bytes"
+        }
+      ],
+      "name": "sendMessage",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "destinationDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "recipient",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "destinationCaller",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "messageBody",
+          "type": "bytes"
+        }
+      ],
+      "name": "sendMessageWithCaller",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "newMaxMessageBodySize",
+          "type": "uint256"
+        }
+      ],
+      "name": "setMaxMessageBodySize",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "newSignatureThreshold",
+          "type": "uint256"
+        }
+      ],
+      "name": "setSignatureThreshold",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "signatureThreshold",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "unpause",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newAttesterManager",
+          "type": "address"
+        }
+      ],
+      "name": "updateAttesterManager",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_newPauser",
+          "type": "address"
+        }
+      ],
+      "name": "updatePauser",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "updateRescuer",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "name": "usedNonces",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "version",
+      "outputs": [
+        {
+          "internalType": "uint32",
+          "name": "",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    }
+  ],
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+    "linkReferences": {
+      "src/messages/Message.sol": {
+        "Message": [
+          {
+            "start": 2180,
+            "length": 20
+          },
+          {
+            "start": 4208,
+            "length": 20
+          },
+          {
+            "start": 5042,
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+          },
+          {
+            "start": 6933,
+            "length": 20
+          },
+          {
+            "start": 8761,
+            "length": 20
+          }
+        ]
+      }
+    },
+    "immutableReferences": {
+      "17969": [
+        {
+          "start": 3920,
+          "length": 32
+        },
+        {
+          "start": 6272,
+          "length": 32
+        },
+        {
+          "start": 7212,
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+        },
+        {
+          "start": 9887,
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+        }
+      ],
+      "17971": [
+        {
+          "start": 3378,
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+        },
+        {
+          "start": 4467,
+          "length": 32
+        },
+        {
+          "start": 9854,
+          "length": 32
+        }
+      ]
+    }
+  },
+  "methodIdentifiers": {
+    "acceptOwnership()": "79ba5097",
+    "attesterManager()": "9b0d94b7",
+    "disableAttester(address)": "2d025080",
+    "enableAttester(address)": "fae36879",
+    "getEnabledAttester(uint256)": "beb673d8",
+    "getNumEnabledAttesters()": "51079a53",
+    "isEnabledAttester(address)": "7af82f60",
+    "localDomain()": "8d3638f4",
+    "maxMessageBodySize()": "af47b9bb",
+    "nextAvailableNonce()": "8371744e",
+    "owner()": "8da5cb5b",
+    "pause()": "8456cb59",
+    "paused()": "5c975abb",
+    "pauser()": "9fd0506d",
+    "pendingOwner()": "e30c3978",
+    "receiveMessage(bytes,bytes)": "57ecfd28",
+    "replaceMessage(bytes,bytes,bytes,bytes32)": "b857b774",
+    "rescueERC20(address,address,uint256)": "b2118a8d",
+    "rescuer()": "38a63183",
+    "sendMessage(uint32,bytes32,bytes)": "0ba469bc",
+    "sendMessageWithCaller(uint32,bytes32,bytes32,bytes)": "f7259a75",
+    "setMaxMessageBodySize(uint256)": "92492c68",
+    "setSignatureThreshold(uint256)": "bbde5374",
+    "signatureThreshold()": "a82f2e26",
+    "transferOwnership(address)": "f2fde38b",
+    "unpause()": "3f4ba83a",
+    "updateAttesterManager(address)": "de7769d4",
+    "updatePauser(address)": "554bab3c",
+    "updateRescuer(address)": "2ab60045",
+    "usedNonces(bytes32)": "feb61724",
+    "version()": "54fd4d50"
+  },
+  "rawMetadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"_localDomain\",\"type\":\"uint32\"},{\"internalType\":\"address\",\"name\":\"_attester\",\"type\":\"address\"},{\"internalType\":\"uint32\",\"name\":\"_maxMessageBodySize\",\"type\":\"uint32\"},{\"internalType\":\"uint32\",\"name\":\"_version\",\"type\":\"uint32\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"attester\",\"type\":\"address\"}],\"name\":\"AttesterDisabled\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"attester\",\"type\":\"address\"}],\"name\":\"AttesterEnabled\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousAttesterManager\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newAttesterManager\",\"type\":\"address\"}],\"name\":\"AttesterManagerUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"newMaxMessageBodySize\",\"type\":\"uint256\"}],\"name\":\"MaxMessageBodySizeUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"caller\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"sourceDomain\",\"type\":\"uint32\"},{\"indexed\":true,\"internalType\":\"uint64\",\"name\":\"nonce\",\"type\":\"uint64\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"sender\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"messageBody\",\"type\":\"bytes\"}],\"name\":\"MessageReceived\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"}],\"name\":\"MessageSent\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferStarted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Pause\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newAddress\",\"type\":\"address\"}],\"name\":\"PauserChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newRescuer\",\"type\":\"address\"}],\"name\":\"RescuerChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"oldSignatureThreshold\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"newSignatureThreshold\",\"type\":\"uint256\"}],\"name\":\"SignatureThresholdUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Unpause\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"acceptOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"attesterManager\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"attester\",\"type\":\"address\"}],\"name\":\"disableAttester\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newAttester\",\"type\":\"address\"}],\"name\":\"enableAttester\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"getEnabledAttester\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getNumEnabledAttesters\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"attester\",\"type\":\"address\"}],\"name\":\"isEnabledAttester\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"localDomain\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"maxMessageBodySize\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nextAvailableNonce\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"\",\"type\":\"uint64\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pauser\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pendingOwner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"attestation\",\"type\":\"bytes\"}],\"name\":\"receiveMessage\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"success\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"originalMessage\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"originalAttestation\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"newMessageBody\",\"type\":\"bytes\"},{\"internalType\":\"bytes32\",\"name\":\"newDestinationCaller\",\"type\":\"bytes32\"}],\"name\":\"replaceMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"tokenContract\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"rescueERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"rescuer\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"destinationDomain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"recipient\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"messageBody\",\"type\":\"bytes\"}],\"name\":\"sendMessage\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"\",\"type\":\"uint64\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"destinationDomain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"recipient\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"destinationCaller\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"messageBody\",\"type\":\"bytes\"}],\"name\":\"sendMessageWithCaller\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"\",\"type\":\"uint64\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"newMaxMessageBodySize\",\"type\":\"uint256\"}],\"name\":\"setMaxMessageBodySize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"newSignatureThreshold\",\"type\":\"uint256\"}],\"name\":\"setSignatureThreshold\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"signatureThreshold\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"unpause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newAttesterManager\",\"type\":\"address\"}],\"name\":\"updateAttesterManager\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newPauser\",\"type\":\"address\"}],\"name\":\"updatePauser\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newRescuer\",\"type\":\"address\"}],\"name\":\"updateRescuer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"usedNonces\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"version\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"events\":{\"MaxMessageBodySizeUpdated(uint256)\":{\"params\":{\"newMaxMessageBodySize\":\"new maximum message body size, in bytes\"}},\"MessageReceived(address,uint32,uint64,bytes32,bytes)\":{\"params\":{\"caller\":\"Caller (msg.sender) on destination domain\",\"messageBody\":\"message body bytes\",\"nonce\":\"The nonce unique to this message\",\"sender\":\"The sender of this message\",\"sourceDomain\":\"The source domain this message originated from\"}},\"MessageSent(bytes)\":{\"params\":{\"message\":\"Raw bytes of message\"}}},\"kind\":\"dev\",\"methods\":{\"acceptOwnership()\":{\"details\":\"The new owner accepts the ownership transfer.\"},\"attesterManager()\":{\"details\":\"Returns the address of the attester manager\",\"returns\":{\"_0\":\"address of the attester manager\"}},\"disableAttester(address)\":{\"details\":\"Only callable by attesterManager. Disabling the attester is not allowed if there is only one attester enabled, or if it would cause the number of enabled attesters to become less than signatureThreshold. (Attester must be currently enabled.)\",\"params\":{\"attester\":\"attester to disable\"}},\"enableAttester(address)\":{\"details\":\"Only callable by attesterManager. New attester must be nonzero, and currently disabled.\",\"params\":{\"newAttester\":\"attester to enable\"}},\"getEnabledAttester(uint256)\":{\"params\":{\"index\":\"index of attester to check\"},\"returns\":{\"_0\":\"enabled attester at given `index`\"}},\"getNumEnabledAttesters()\":{\"returns\":{\"_0\":\"number of enabled attesters\"}},\"isEnabledAttester(address)\":{\"params\":{\"attester\":\"attester to check enabled status of\"},\"returns\":{\"_0\":\"true if given `attester` is enabled, else false\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"pause()\":{\"details\":\"called by the owner to pause, triggers stopped state\"},\"pauser()\":{\"returns\":{\"_0\":\"Pauser's address\"}},\"pendingOwner()\":{\"details\":\"Returns the address of the pending owner.\"},\"receiveMessage(bytes,bytes)\":{\"details\":\"Attestation format: A valid attestation is the concatenated 65-byte signature(s) of exactly `thresholdSignature` signatures, in increasing order of attester address. ***If the attester addresses recovered from signatures are not in increasing order, signature verification will fail.*** If incorrect number of signatures or duplicate signatures are supplied, signature verification will fail. Message format: Field                 Bytes      Type       Index version               4          uint32     0 sourceDomain          4          uint32     4 destinationDomain     4          uint32     8 nonce                 8          uint64     12 sender                32         bytes32    20 recipient             32         bytes32    52 messageBody           dynamic    bytes      84\",\"params\":{\"attestation\":\"Concatenated 65-byte signature(s) of `message`, in increasing order of the attester address recovered from signatures.\",\"message\":\"Message bytes\"},\"returns\":{\"success\":\"bool, true if successful\"}},\"replaceMessage(bytes,bytes,bytes,bytes32)\":{\"details\":\"The `originalAttestation` must be a valid attestation of `originalMessage`. Reverts if msg.sender does not match sender of original message, or if the source domain of the original message does not match this MessageTransmitter's local domain.\",\"params\":{\"newDestinationCaller\":\"the new destination caller, which may be the same as the original destination caller, a new destination caller, or an empty destination caller (bytes32(0), indicating that any destination caller is valid.)\",\"newMessageBody\":\"new message body of replaced message\",\"originalAttestation\":\"attestation of `originalMessage`\",\"originalMessage\":\"original message to replace\"}},\"rescueERC20(address,address,uint256)\":{\"params\":{\"amount\":\"Amount to withdraw\",\"to\":\"Recipient address\",\"tokenContract\":\"ERC20 token contract address\"}},\"rescuer()\":{\"returns\":{\"_0\":\"Rescuer's address\"}},\"sendMessage(uint32,bytes32,bytes)\":{\"details\":\"Increment nonce, format the message, and emit `MessageSent` event with message information.\",\"params\":{\"destinationDomain\":\"Domain of destination chain\",\"messageBody\":\"Raw bytes content of message\",\"recipient\":\"Address of message recipient on destination chain as bytes32\"},\"returns\":{\"_0\":\"nonce reserved by message\"}},\"sendMessageWithCaller(uint32,bytes32,bytes32,bytes)\":{\"details\":\"Increment nonce, format the message, and emit `MessageSent` event with message information. WARNING: if the `destinationCaller` does not represent a valid address, then it will not be possible to broadcast the message on the destination domain. This is an advanced feature, and the standard sendMessage() should be preferred for use cases where a specific destination caller is not required.\",\"params\":{\"destinationCaller\":\"caller on the destination domain, as bytes32\",\"destinationDomain\":\"Domain of destination chain\",\"messageBody\":\"Raw bytes content of message\",\"recipient\":\"Address of message recipient on destination domain as bytes32\"},\"returns\":{\"_0\":\"nonce reserved by message\"}},\"setMaxMessageBodySize(uint256)\":{\"details\":\"This value should not be reduced without good reason, to avoid impacting users who rely on large messages.\",\"params\":{\"newMaxMessageBodySize\":\"new max message body size, in bytes\"}},\"setSignatureThreshold(uint256)\":{\"details\":\"new signature threshold must be nonzero, and must not exceed number of enabled attesters.\",\"params\":{\"newSignatureThreshold\":\"new signature threshold\"}},\"transferOwnership(address)\":{\"details\":\"Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. Can only be called by the current owner.\"},\"unpause()\":{\"details\":\"called by the owner to unpause, returns to normal state\"},\"updateAttesterManager(address)\":{\"details\":\"Allows the current attester manager to transfer control of the contract to a newAttesterManager.\",\"params\":{\"newAttesterManager\":\"The address to update attester manager to.\"}},\"updatePauser(address)\":{\"details\":\"update the pauser role\"},\"updateRescuer(address)\":{\"params\":{\"newRescuer\":\"New rescuer's address\"}}},\"title\":\"MessageTransmitter\",\"version\":1},\"userdoc\":{\"events\":{\"AttesterDisabled(address)\":{\"notice\":\"Emitted when an attester is disabled\"},\"AttesterEnabled(address)\":{\"notice\":\"Emitted when an attester is enabled\"},\"MaxMessageBodySizeUpdated(uint256)\":{\"notice\":\"Emitted when max message body size is updated\"},\"MessageReceived(address,uint32,uint64,bytes32,bytes)\":{\"notice\":\"Emitted when a new message is received\"},\"MessageSent(bytes)\":{\"notice\":\"Emitted when a new message is dispatched\"},\"SignatureThresholdUpdated(uint256,uint256)\":{\"notice\":\"Emitted when threshold number of attestations (m in m/n multisig) is updated\"}},\"kind\":\"user\",\"methods\":{\"disableAttester(address)\":{\"notice\":\"Disables an attester\"},\"enableAttester(address)\":{\"notice\":\"Enables an attester\"},\"getEnabledAttester(uint256)\":{\"notice\":\"gets enabled attester at given `index`\"},\"getNumEnabledAttesters()\":{\"notice\":\"returns the number of enabled attesters\"},\"isEnabledAttester(address)\":{\"notice\":\"returns true if given `attester` is enabled, else false\"},\"pauser()\":{\"notice\":\"Returns current pauser\"},\"receiveMessage(bytes,bytes)\":{\"notice\":\"Receive a message. Messages with a given nonce can only be broadcast once for a (sourceDomain, destinationDomain) pair. The message body of a valid message is passed to the specified recipient for further processing.\"},\"replaceMessage(bytes,bytes,bytes,bytes32)\":{\"notice\":\"Replace a message with a new message body and/or destination caller.\"},\"rescueERC20(address,address,uint256)\":{\"notice\":\"Rescue ERC20 tokens locked up in this contract.\"},\"rescuer()\":{\"notice\":\"Returns current rescuer\"},\"sendMessage(uint32,bytes32,bytes)\":{\"notice\":\"Send the message to the destination domain and recipient\"},\"sendMessageWithCaller(uint32,bytes32,bytes32,bytes)\":{\"notice\":\"Send the message to the destination domain and recipient, for a specified `destinationCaller` on the destination domain.\"},\"setMaxMessageBodySize(uint256)\":{\"notice\":\"Sets the max message body size\"},\"setSignatureThreshold(uint256)\":{\"notice\":\"Sets the threshold of signatures required to attest to a message. (This is the m in m/n multisig.)\"},\"updateRescuer(address)\":{\"notice\":\"Assign the rescuer role to a given address.\"}},\"notice\":\"Contract responsible for sending and receiving messages across chains.\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/MessageTransmitter.sol\":\"MessageTransmitter\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":100000},\"remappings\":[\":@memview-sol/=lib/memview-sol/\",\":@openzeppelin/=lib/openzeppelin-contracts/\",\":centre-tokens.git/=lib/centre-tokens.git/\",\":ds-test/=lib/ds-test/src/\",\":forge-std/=lib/forge-std/src/\",\":memview-sol/=lib/memview-sol/contracts/\",\":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/\"]},\"sources\":{\"lib/memview-sol/contracts/SafeMath.sol\":{\"keccak256\":\"0xa1054a453f13c3c817cd2d9fb048d68b20202a6f925d2efe6c887bddf3752837\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0fbe6252658163c22e42725c746a005e3b0e129355579113914c679a26fda50d\",\"dweb:/ipfs/QmZHmS7NjoSZcymwmU4kSfyKAvu2RpuxLowVY5Tj4LY6kr\"]},\"lib/memview-sol/contracts/TypedMemView.sol\":{\"keccak256\":\"0xa59e6e460439df036676d255b089784e6cd1539fbd439dafae33d751fe828ebe\",\"license\":\"MIT OR 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+    "compiler": {
+      "version": "0.7.6+commit.7338295f"
+    },
+    "language": "Solidity",
+    "output": {
+      "abi": [
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "_localDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "address",
+              "name": "_attester",
+              "type": "address"
+            },
+            {
+              "internalType": "uint32",
+              "name": "_maxMessageBodySize",
+              "type": "uint32"
+            },
+            {
+              "internalType": "uint32",
+              "name": "_version",
+              "type": "uint32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "constructor"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "attester",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "AttesterDisabled",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "attester",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "AttesterEnabled",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "previousAttesterManager",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "newAttesterManager",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "AttesterManagerUpdated",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "newMaxMessageBodySize",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "MaxMessageBodySizeUpdated",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "caller",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint32",
+              "name": "sourceDomain",
+              "type": "uint32",
+              "indexed": false
+            },
+            {
+              "internalType": "uint64",
+              "name": "nonce",
+              "type": "uint64",
+              "indexed": true
+            },
+            {
+              "internalType": "bytes32",
+              "name": "sender",
+              "type": "bytes32",
+              "indexed": false
+            },
+            {
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+              "name": "messageBody",
+              "type": "bytes",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "MessageReceived",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes",
+              "name": "message",
+              "type": "bytes",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "MessageSent",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "previousOwner",
+              "type": "address",
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+            },
+            {
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+              "name": "newOwner",
+              "type": "address",
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+            }
+          ],
+          "type": "event",
+          "name": "OwnershipTransferStarted",
+          "anonymous": false
+        },
+        {
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+              "type": "address",
+              "indexed": true
+            },
+            {
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+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "OwnershipTransferred",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "type": "event",
+          "name": "Pause",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newAddress",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "PauserChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "RescuerChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "oldSignatureThreshold",
+              "type": "uint256",
+              "indexed": false
+            },
+            {
+              "internalType": "uint256",
+              "name": "newSignatureThreshold",
+              "type": "uint256",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "SignatureThresholdUpdated",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "type": "event",
+          "name": "Unpause",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "acceptOwnership"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "attesterManager",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "attester",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "disableAttester"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newAttester",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "enableAttester"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "index",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "getEnabledAttester",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "getNumEnabledAttesters",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "attester",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "isEnabledAttester",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "localDomain",
+          "outputs": [
+            {
+              "internalType": "uint32",
+              "name": "",
+              "type": "uint32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "maxMessageBodySize",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "nextAvailableNonce",
+          "outputs": [
+            {
+              "internalType": "uint64",
+              "name": "",
+              "type": "uint64"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "pause"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "paused",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "pauser",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "pendingOwner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes",
+              "name": "message",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes",
+              "name": "attestation",
+              "type": "bytes"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "receiveMessage",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "success",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes",
+              "name": "originalMessage",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes",
+              "name": "originalAttestation",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes",
+              "name": "newMessageBody",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "newDestinationCaller",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "replaceMessage"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "contract IERC20",
+              "name": "tokenContract",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "rescueERC20"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "rescuer",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "destinationDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "recipient",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes",
+              "name": "messageBody",
+              "type": "bytes"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "sendMessage",
+          "outputs": [
+            {
+              "internalType": "uint64",
+              "name": "",
+              "type": "uint64"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "destinationDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "recipient",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "destinationCaller",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes",
+              "name": "messageBody",
+              "type": "bytes"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "sendMessageWithCaller",
+          "outputs": [
+            {
+              "internalType": "uint64",
+              "name": "",
+              "type": "uint64"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "newMaxMessageBodySize",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "setMaxMessageBodySize"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "newSignatureThreshold",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "setSignatureThreshold"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "signatureThreshold",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transferOwnership"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "unpause"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newAttesterManager",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateAttesterManager"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_newPauser",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updatePauser"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateRescuer"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "usedNonces",
+          "outputs": [
+            {
+              "internalType": "uint256",
+              "name": "",
+              "type": "uint256"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "version",
+          "outputs": [
+            {
+              "internalType": "uint32",
+              "name": "",
+              "type": "uint32"
+            }
+          ]
+        }
+      ],
+      "devdoc": {
+        "kind": "dev",
+        "methods": {
+          "acceptOwnership()": {
+            "details": "The new owner accepts the ownership transfer."
+          },
+          "attesterManager()": {
+            "details": "Returns the address of the attester manager",
+            "returns": {
+              "_0": "address of the attester manager"
+            }
+          },
+          "disableAttester(address)": {
+            "details": "Only callable by attesterManager. Disabling the attester is not allowed if there is only one attester enabled, or if it would cause the number of enabled attesters to become less than signatureThreshold. (Attester must be currently enabled.)",
+            "params": {
+              "attester": "attester to disable"
+            }
+          },
+          "enableAttester(address)": {
+            "details": "Only callable by attesterManager. New attester must be nonzero, and currently disabled.",
+            "params": {
+              "newAttester": "attester to enable"
+            }
+          },
+          "getEnabledAttester(uint256)": {
+            "params": {
+              "index": "index of attester to check"
+            },
+            "returns": {
+              "_0": "enabled attester at given `index`"
+            }
+          },
+          "getNumEnabledAttesters()": {
+            "returns": {
+              "_0": "number of enabled attesters"
+            }
+          },
+          "isEnabledAttester(address)": {
+            "params": {
+              "attester": "attester to check enabled status of"
+            },
+            "returns": {
+              "_0": "true if given `attester` is enabled, else false"
+            }
+          },
+          "owner()": {
+            "details": "Returns the address of the current owner."
+          },
+          "pause()": {
+            "details": "called by the owner to pause, triggers stopped state"
+          },
+          "pauser()": {
+            "returns": {
+              "_0": "Pauser's address"
+            }
+          },
+          "pendingOwner()": {
+            "details": "Returns the address of the pending owner."
+          },
+          "receiveMessage(bytes,bytes)": {
+            "details": "Attestation format: A valid attestation is the concatenated 65-byte signature(s) of exactly `thresholdSignature` signatures, in increasing order of attester address. ***If the attester addresses recovered from signatures are not in increasing order, signature verification will fail.*** If incorrect number of signatures or duplicate signatures are supplied, signature verification will fail. Message format: Field                 Bytes      Type       Index version               4          uint32     0 sourceDomain          4          uint32     4 destinationDomain     4          uint32     8 nonce                 8          uint64     12 sender                32         bytes32    20 recipient             32         bytes32    52 messageBody           dynamic    bytes      84",
+            "params": {
+              "attestation": "Concatenated 65-byte signature(s) of `message`, in increasing order of the attester address recovered from signatures.",
+              "message": "Message bytes"
+            },
+            "returns": {
+              "success": "bool, true if successful"
+            }
+          },
+          "replaceMessage(bytes,bytes,bytes,bytes32)": {
+            "details": "The `originalAttestation` must be a valid attestation of `originalMessage`. Reverts if msg.sender does not match sender of original message, or if the source domain of the original message does not match this MessageTransmitter's local domain.",
+            "params": {
+              "newDestinationCaller": "the new destination caller, which may be the same as the original destination caller, a new destination caller, or an empty destination caller (bytes32(0), indicating that any destination caller is valid.)",
+              "newMessageBody": "new message body of replaced message",
+              "originalAttestation": "attestation of `originalMessage`",
+              "originalMessage": "original message to replace"
+            }
+          },
+          "rescueERC20(address,address,uint256)": {
+            "params": {
+              "amount": "Amount to withdraw",
+              "to": "Recipient address",
+              "tokenContract": "ERC20 token contract address"
+            }
+          },
+          "rescuer()": {
+            "returns": {
+              "_0": "Rescuer's address"
+            }
+          },
+          "sendMessage(uint32,bytes32,bytes)": {
+            "details": "Increment nonce, format the message, and emit `MessageSent` event with message information.",
+            "params": {
+              "destinationDomain": "Domain of destination chain",
+              "messageBody": "Raw bytes content of message",
+              "recipient": "Address of message recipient on destination chain as bytes32"
+            },
+            "returns": {
+              "_0": "nonce reserved by message"
+            }
+          },
+          "sendMessageWithCaller(uint32,bytes32,bytes32,bytes)": {
+            "details": "Increment nonce, format the message, and emit `MessageSent` event with message information. WARNING: if the `destinationCaller` does not represent a valid address, then it will not be possible to broadcast the message on the destination domain. This is an advanced feature, and the standard sendMessage() should be preferred for use cases where a specific destination caller is not required.",
+            "params": {
+              "destinationCaller": "caller on the destination domain, as bytes32",
+              "destinationDomain": "Domain of destination chain",
+              "messageBody": "Raw bytes content of message",
+              "recipient": "Address of message recipient on destination domain as bytes32"
+            },
+            "returns": {
+              "_0": "nonce reserved by message"
+            }
+          },
+          "setMaxMessageBodySize(uint256)": {
+            "details": "This value should not be reduced without good reason, to avoid impacting users who rely on large messages.",
+            "params": {
+              "newMaxMessageBodySize": "new max message body size, in bytes"
+            }
+          },
+          "setSignatureThreshold(uint256)": {
+            "details": "new signature threshold must be nonzero, and must not exceed number of enabled attesters.",
+            "params": {
+              "newSignatureThreshold": "new signature threshold"
+            }
+          },
+          "transferOwnership(address)": {
+            "details": "Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. Can only be called by the current owner."
+          },
+          "unpause()": {
+            "details": "called by the owner to unpause, returns to normal state"
+          },
+          "updateAttesterManager(address)": {
+            "details": "Allows the current attester manager to transfer control of the contract to a newAttesterManager.",
+            "params": {
+              "newAttesterManager": "The address to update attester manager to."
+            }
+          },
+          "updatePauser(address)": {
+            "details": "update the pauser role"
+          },
+          "updateRescuer(address)": {
+            "params": {
+              "newRescuer": "New rescuer's address"
+            }
+          }
+        },
+        "version": 1
+      },
+      "userdoc": {
+        "kind": "user",
+        "methods": {
+          "disableAttester(address)": {
+            "notice": "Disables an attester"
+          },
+          "enableAttester(address)": {
+            "notice": "Enables an attester"
+          },
+          "getEnabledAttester(uint256)": {
+            "notice": "gets enabled attester at given `index`"
+          },
+          "getNumEnabledAttesters()": {
+            "notice": "returns the number of enabled attesters"
+          },
+          "isEnabledAttester(address)": {
+            "notice": "returns true if given `attester` is enabled, else false"
+          },
+          "pauser()": {
+            "notice": "Returns current pauser"
+          },
+          "receiveMessage(bytes,bytes)": {
+            "notice": "Receive a message. Messages with a given nonce can only be broadcast once for a (sourceDomain, destinationDomain) pair. The message body of a valid message is passed to the specified recipient for further processing."
+          },
+          "replaceMessage(bytes,bytes,bytes,bytes32)": {
+            "notice": "Replace a message with a new message body and/or destination caller."
+          },
+          "rescueERC20(address,address,uint256)": {
+            "notice": "Rescue ERC20 tokens locked up in this contract."
+          },
+          "rescuer()": {
+            "notice": "Returns current rescuer"
+          },
+          "sendMessage(uint32,bytes32,bytes)": {
+            "notice": "Send the message to the destination domain and recipient"
+          },
+          "sendMessageWithCaller(uint32,bytes32,bytes32,bytes)": {
+            "notice": "Send the message to the destination domain and recipient, for a specified `destinationCaller` on the destination domain."
+          },
+          "setMaxMessageBodySize(uint256)": {
+            "notice": "Sets the max message body size"
+          },
+          "setSignatureThreshold(uint256)": {
+            "notice": "Sets the threshold of signatures required to attest to a message. (This is the m in m/n multisig.)"
+          },
+          "updateRescuer(address)": {
+            "notice": "Assign the rescuer role to a given address."
+          }
+        },
+        "version": 1
+      }
+    },
+    "settings": {
+      "remappings": [
+        ":@memview-sol/=lib/memview-sol/",
+        ":@openzeppelin/=lib/openzeppelin-contracts/",
+        ":centre-tokens.git/=lib/centre-tokens.git/",
+        ":ds-test/=lib/ds-test/src/",
+        ":forge-std/=lib/forge-std/src/",
+        ":memview-sol/=lib/memview-sol/contracts/",
+        ":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/"
+      ],
+      "optimizer": {
+        "enabled": true,
+        "runs": 100000
+      },
+      "metadata": {
+        "bytecodeHash": "ipfs"
+      },
+      "compilationTarget": {
+        "src/MessageTransmitter.sol": "MessageTransmitter"
+      },
+      "libraries": {}
+    },
+    "sources": {
+      "lib/memview-sol/contracts/SafeMath.sol": {
+        "keccak256": "0xa1054a453f13c3c817cd2d9fb048d68b20202a6f925d2efe6c887bddf3752837",
+        "urls": [
+          "bzz-raw://0fbe6252658163c22e42725c746a005e3b0e129355579113914c679a26fda50d",
+          "dweb:/ipfs/QmZHmS7NjoSZcymwmU4kSfyKAvu2RpuxLowVY5Tj4LY6kr"
+        ],
+        "license": "MIT"
+      },
+      "lib/memview-sol/contracts/TypedMemView.sol": {
+        "keccak256": "0xa59e6e460439df036676d255b089784e6cd1539fbd439dafae33d751fe828ebe",
+        "urls": [
+          "bzz-raw://b2d5865010f33ac2298a563b8c8fdb6b7da5607b61172b09ed9a51d180b6b823",
+          "dweb:/ipfs/QmdzLCZtkXRCbya28LyV9qCcVXU9mFN6SeB6mVyhKiSiTv"
+        ],
+        "license": "MIT OR Apache-2.0"
+      },
+      "lib/openzeppelin-contracts/contracts/cryptography/ECDSA.sol": {
+        "keccak256": "0x94c4719c16ffb96dd3cdc68f6fbf78105153018adbf382241821e8188e6a4bd5",
+        "urls": [
+          "bzz-raw://33390c907a31dd8961949b0fa1b9557781c81024231f607f6f97b203746ebf60",
+          "dweb:/ipfs/QmSdRfWx8tsa2Phm23qtNGTDUek2BphzwyxuqKf3AEszL9"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/math/SafeMath.sol": {
+        "keccak256": "0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52",
+        "urls": [
+          "bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c",
+          "dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
+        "keccak256": "0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5",
+        "urls": [
+          "bzz-raw://24427744bd3e6cb73c17010119af12a318289c0253a4d9acb8576c9fb3797b08",
+          "dweb:/ipfs/QmTLDqpKRBuxGxRAmjgXt9AkXyACW3MtKzi7PYjm5iMfGC"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/token/ERC20/SafeERC20.sol": {
+        "keccak256": "0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc",
+        "urls": [
+          "bzz-raw://b3a849c2d95e85463909e5b5c920b13e7a11216ca14127085e16d22b9379d52a",
+          "dweb:/ipfs/QmUg3CZDbCCcQdroEpexBy5ZFd5vD1UWijWQq9qHZjtJNQ"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/utils/Address.sol": {
+        "keccak256": "0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea",
+        "urls": [
+          "bzz-raw://256c8c8af5eb072bc473226ab2b2187149b8fc04f5f4a4820db22527f5ce8e3c",
+          "dweb:/ipfs/QmRvi5BhnL7Rxf85KrJhwM6RRhukm4tzoctRdgQEheNyiN"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/utils/Context.sol": {
+        "keccak256": "0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0",
+        "urls": [
+          "bzz-raw://ded47ec7c96750f9bd04bbbc84f659992d4ba901cb7b532a52cd468272cf378f",
+          "dweb:/ipfs/QmfBrGtQP7rZEqEg6Wz6jh2N2Kukpj1z5v3CGWmAqrzm96"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/utils/EnumerableSet.sol": {
+        "keccak256": "0x1562cd9922fbf739edfb979f506809e2743789cbde3177515542161c3d04b164",
+        "urls": [
+          "bzz-raw://4580d57781513d98870d9738c7d39094336e0a70cdb90d68dad549c6ced466ec",
+          "dweb:/ipfs/Qmf9YZzzRFuvMnav9dgmeRUpdYMMECiZX8w25sHWVbA18V"
+        ],
+        "license": "MIT"
+      },
+      "src/MessageTransmitter.sol": {
+        "keccak256": "0xdcf4b3dd5881fa447a735ebd3d591b0a6428e2c7f86ab215943f8a0aa4052215",
+        "urls": [
+          "bzz-raw://12fb77845d40f04becc7de116bba94243a62c57e07e16e88c56dc2d6490b80f6",
+          "dweb:/ipfs/QmNeX3oreys3S486gfMWyLCMhYJZKneFjWY3aU9a7oy29x"
+        ],
+        "license": null
+      },
+      "src/interfaces/IMessageHandler.sol": {
+        "keccak256": "0x6af84af8715e65646d4442917779d9429035e78d53cfd197c460fd2e18ccf6a7",
+        "urls": [
+          "bzz-raw://8d01d52be8119f64c2df22a10bb47929937e7cb4af53354ca4dff15e353dfa9a",
+          "dweb:/ipfs/QmbFt45Ny4ePgjwZdk3GEoV9ynSM8jfXWNft7p1B7SuTMT"
+        ],
+        "license": null
+      },
+      "src/interfaces/IMessageTransmitter.sol": {
+        "keccak256": "0x70daea8dee44f753a36243b58b89488a665f09bc30470a2255db8034ebb1254e",
+        "urls": [
+          "bzz-raw://cff30fdf2b90c8c1c9c84acab9d2c34c42893ea9d4111ac3dfc636f107afbcd8",
+          "dweb:/ipfs/QmY5sqNDSNE2E5zSikfW7fJFpJHEWzGrKbJZXEBLvbhD6X"
+        ],
+        "license": null
+      },
+      "src/interfaces/IReceiver.sol": {
+        "keccak256": "0xa6a97fd01c17ac415d8b891c613a6b64a5723a24e7a042b47d1f6930f8d6e818",
+        "urls": [
+          "bzz-raw://ca049c40ca32e1cefe1436357a86746115756de7a069d6d75d6774a2bfe32259",
+          "dweb:/ipfs/QmSfBtdr517rLNuaBQjrDfBERyX8DvSLPjcuK7dDLD7AGW"
+        ],
+        "license": null
+      },
+      "src/interfaces/IRelayer.sol": {
+        "keccak256": "0x1510214de1adac12937c79fa6b25b0973a879219a31b149a7c11c70a8c095b3a",
+        "urls": [
+          "bzz-raw://6f6af107b32576803feb574d0d4413c567336be9e9499b25918c3492c87d7e2b",
+          "dweb:/ipfs/QmUF51siiUMFmRw5zB5S85cEjgpUxesPc52fM5azbqscid"
+        ],
+        "license": null
+      },
+      "src/messages/Message.sol": {
+        "keccak256": "0xd2e6ed7b6b91d45656010289be542588b7ea9b240497286cf46f99e271474547",
+        "urls": [
+          "bzz-raw://c3be6543e3fc071452b0cf196b9813b2340dd96e39bcbe15d7d135bcae700017",
+          "dweb:/ipfs/QmW7BnYyYM6AMiYtumWjwkCQ3yrLQZQYwnVG8fPn5aJ22C"
+        ],
+        "license": null
+      },
+      "src/roles/Attestable.sol": {
+        "keccak256": "0x7ff129ca1f778e959d18128917d1587ddccc308bca1526069cb606daa84affea",
+        "urls": [
+          "bzz-raw://0a2646306f5e1a598ca2dc4e427b4c836eccae361973b9f40bed8873f708f6dd",
+          "dweb:/ipfs/QmVjLJRJvAuiuZE1hJyonWrE56DPrjUyhqBninPivNg3ps"
+        ],
+        "license": null
+      },
+      "src/roles/Ownable.sol": {
+        "keccak256": "0x4b675058095169e2aa938936232e4516b00ae55b6051725cec0d066fa4eb01be",
+        "urls": [
+          "bzz-raw://125d1b051badf05d6ea4bdf30360e7afb1c858c96b69f970e21d1aee709047fc",
+          "dweb:/ipfs/QmWHt7H9Dcc6RMhPHHkZe2VkPSrQV9HJQ1ddCAwC2r84an"
+        ],
+        "license": null
+      },
+      "src/roles/Ownable2Step.sol": {
+        "keccak256": "0xc3ad0bdd8165c164d47256cdcb7aa26ac06cb1d5eb5e4d5b706e7f0d4bfdc36a",
+        "urls": [
+          "bzz-raw://583122acee73e04af577ae578d9e9cd162bc94ffa9671e5f76fc73c21ce35328",
+          "dweb:/ipfs/QmZ6tG8djdRfHvaLfkVaSmys4WRySvnTDbgiNCW1Mz724U"
+        ],
+        "license": null
+      },
+      "src/roles/Pausable.sol": {
+        "keccak256": "0x97000ae63d20c0a4b94f75f1066d7f9940ae86dd7ff56dad7c09b9c14f0691f5",
+        "urls": [
+          "bzz-raw://c08f10d8e52bf3749ae6fc94f671bfabf0df729b4fab1944b389882a7b6600ee",
+          "dweb:/ipfs/QmXhKLEpM42qrBpZ3vjqG7nfSk2X724daGpgp4Xf4C9qjw"
+        ],
+        "license": null
+      },
+      "src/roles/Rescuable.sol": {
+        "keccak256": "0x0535df5d996c5c2b5063b83e8d4e2221468e324fabeb089cb4086d3675479137",
+        "urls": [
+          "bzz-raw://2aaccc3920ba05a28a1bced825a5fb79e9f7721bd1aba885aed657ca45196b8b",
+          "dweb:/ipfs/QmPwYrn9Y2FfhGv7jAexRj5iLZFLUWc8LUupzShymBVUe3"
+        ],
+        "license": null
+      }
+    },
+    "version": 1
+  },
+  "ast": {
+    "absolutePath": "src/MessageTransmitter.sol",
+    "id": 18453,
+    "exportedSymbols": {
+      "Attestable": [
+        21675
+      ],
+      "Context": [
+        24291
+      ],
+      "ECDSA": [
+        22652
+      ],
+      "EnumerableSet": [
+        23144
+      ],
+      "IERC20": [
+        23305
+      ],
+      "IMessageHandler": [
+        21282
+      ],
+      "IMessageTransmitter": [
+        21292
+      ],
+      "IReceiver": [
+        22494
+      ],
+      "IRelayer": [
+        22536
+      ],
+      "Message": [
+        19815
+      ],
+      "MessageTransmitter": [
+        18452
+      ],
+      "Ownable": [
+        23617
+      ],
+      "Ownable2Step": [
+        23227
+      ],
+      "Pausable": [
+        21783
+      ],
+      "Rescuable": [
+        21872
+      ],
+      "SafeERC20": [
+        23518
+      ],
+      "SafeMath": [
+        22480
+      ],
+      "TypedMemView": [
+        21266
+      ]
+    },
+    "nodeType": "SourceUnit",
+    "src": "619:13467:15",
+    "nodes": [
+      {
+        "id": 17919,
+        "nodeType": "PragmaDirective",
+        "src": "619:22:15",
+        "nodes": [],
+        "literals": [
+          "solidity",
+          "0.7",
+          ".6"
+        ]
+      },
+      {
+        "id": 17920,
+        "nodeType": "ImportDirective",
+        "src": "643:49:15",
+        "nodes": [],
+        "absolutePath": "lib/memview-sol/contracts/TypedMemView.sol",
+        "file": "@memview-sol/contracts/TypedMemView.sol",
+        "scope": 18453,
+        "sourceUnit": 21267,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17921,
+        "nodeType": "ImportDirective",
+        "src": "693:46:15",
+        "nodes": [],
+        "absolutePath": "src/interfaces/IMessageTransmitter.sol",
+        "file": "./interfaces/IMessageTransmitter.sol",
+        "scope": 18453,
+        "sourceUnit": 21293,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17922,
+        "nodeType": "ImportDirective",
+        "src": "740:42:15",
+        "nodes": [],
+        "absolutePath": "src/interfaces/IMessageHandler.sol",
+        "file": "./interfaces/IMessageHandler.sol",
+        "scope": 18453,
+        "sourceUnit": 21283,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17923,
+        "nodeType": "ImportDirective",
+        "src": "783:32:15",
+        "nodes": [],
+        "absolutePath": "src/messages/Message.sol",
+        "file": "./messages/Message.sol",
+        "scope": 18453,
+        "sourceUnit": 19816,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17924,
+        "nodeType": "ImportDirective",
+        "src": "816:30:15",
+        "nodes": [],
+        "absolutePath": "src/roles/Pausable.sol",
+        "file": "./roles/Pausable.sol",
+        "scope": 18453,
+        "sourceUnit": 21784,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17925,
+        "nodeType": "ImportDirective",
+        "src": "847:31:15",
+        "nodes": [],
+        "absolutePath": "src/roles/Rescuable.sol",
+        "file": "./roles/Rescuable.sol",
+        "scope": 18453,
+        "sourceUnit": 21873,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 17926,
+        "nodeType": "ImportDirective",
+        "src": "879:32:15",
+        "nodes": [],
+        "absolutePath": "src/roles/Attestable.sol",
+        "file": "./roles/Attestable.sol",
+        "scope": 18453,
+        "sourceUnit": 21676,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18452,
+        "nodeType": "ContractDefinition",
+        "src": "1032:13053:15",
+        "nodes": [
+          {
+            "id": 17940,
+            "nodeType": "EventDefinition",
+            "src": "1293:33:15",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 17936,
+              "nodeType": "StructuredDocumentation",
+              "src": "1178:110:15",
+              "text": " @notice Emitted when a new message is dispatched\n @param message Raw bytes of message"
+            },
+            "name": "MessageSent",
+            "parameters": {
+              "id": 17939,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 17938,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "message",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17940,
+                  "src": "1311:13:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_memory_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 17937,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1311:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "1310:15:15"
+            }
+          },
+          {
+            "id": 17953,
+            "nodeType": "EventDefinition",
+            "src": "1685:170:15",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 17941,
+              "nodeType": "StructuredDocumentation",
+              "src": "1332:348:15",
+              "text": " @notice Emitted when a new message is received\n @param caller Caller (msg.sender) on destination domain\n @param sourceDomain The source domain this message originated from\n @param nonce The nonce unique to this message\n @param sender The sender of this message\n @param messageBody message body bytes"
+            },
+            "name": "MessageReceived",
+            "parameters": {
+              "id": 17952,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 17943,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "caller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17953,
+                  "src": "1716:22:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 17942,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1716:7:15",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 17945,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "sourceDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17953,
+                  "src": "1748:19:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 17944,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1748:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 17947,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17953,
+                  "src": "1777:20:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 17946,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1777:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 17949,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "sender",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17953,
+                  "src": "1807:14:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 17948,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1807:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 17951,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "messageBody",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17953,
+                  "src": "1831:17:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_memory_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 17950,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1831:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "1706:148:15"
+            }
+          },
+          {
+            "id": 17958,
+            "nodeType": "EventDefinition",
+            "src": "2014:63:15",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 17954,
+              "nodeType": "StructuredDocumentation",
+              "src": "1861:148:15",
+              "text": " @notice Emitted when max message body size is updated\n @param newMaxMessageBodySize new maximum message body size, in bytes"
+            },
+            "name": "MaxMessageBodySizeUpdated",
+            "parameters": {
+              "id": 17957,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 17956,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "newMaxMessageBodySize",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 17958,
+                  "src": "2046:29:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 17955,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2046:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "2045:31:15"
+            }
+          },
+          {
+            "id": 17961,
+            "nodeType": "UsingForDirective",
+            "src": "2126:29:15",
+            "nodes": [],
+            "libraryName": {
+              "id": 17959,
+              "name": "TypedMemView",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21266,
+              "src": "2132:12:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_TypedMemView_$21266",
+                "typeString": "library TypedMemView"
+              }
+            },
+            "typeName": {
+              "id": 17960,
+              "name": "bytes",
+              "nodeType": "ElementaryTypeName",
+              "src": "2149:5:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_bytes_storage_ptr",
+                "typeString": "bytes"
+              }
+            }
+          },
+          {
+            "id": 17964,
+            "nodeType": "UsingForDirective",
+            "src": "2160:31:15",
+            "nodes": [],
+            "libraryName": {
+              "id": 17962,
+              "name": "TypedMemView",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21266,
+              "src": "2166:12:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_TypedMemView_$21266",
+                "typeString": "library TypedMemView"
+              }
+            },
+            "typeName": {
+              "id": 17963,
+              "name": "bytes29",
+              "nodeType": "ElementaryTypeName",
+              "src": "2183:7:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_bytes29",
+                "typeString": "bytes29"
+              }
+            }
+          },
+          {
+            "id": 17967,
+            "nodeType": "UsingForDirective",
+            "src": "2196:26:15",
+            "nodes": [],
+            "libraryName": {
+              "id": 17965,
+              "name": "Message",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 19815,
+              "src": "2202:7:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_Message_$19815",
+                "typeString": "library Message"
+              }
+            },
+            "typeName": {
+              "id": 17966,
+              "name": "bytes29",
+              "nodeType": "ElementaryTypeName",
+              "src": "2214:7:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_bytes29",
+                "typeString": "bytes29"
+              }
+            }
+          },
+          {
+            "id": 17969,
+            "nodeType": "VariableDeclaration",
+            "src": "2334:35:15",
+            "nodes": [],
+            "constant": false,
+            "functionSelector": "8d3638f4",
+            "mutability": "immutable",
+            "name": "localDomain",
+            "scope": 18452,
+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_uint32",
+              "typeString": "uint32"
+            },
+            "typeName": {
+              "id": 17968,
+              "name": "uint32",
+              "nodeType": "ElementaryTypeName",
+              "src": "2334:6:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_uint32",
+                "typeString": "uint32"
+              }
+            },
+            "visibility": "public"
+          },
+          {
+            "id": 17971,
+            "nodeType": "VariableDeclaration",
+            "src": "2406:31:15",
+            "nodes": [],
+            "constant": false,
+            "functionSelector": "54fd4d50",
+            "mutability": "immutable",
+            "name": "version",
+            "scope": 18452,
+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_uint32",
+              "typeString": "uint32"
+            },
+            "typeName": {
+              "id": 17970,
+              "name": "uint32",
+              "nodeType": "ElementaryTypeName",
+              "src": "2406:6:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_uint32",
+                "typeString": "uint32"
+              }
+            },
+            "visibility": "public"
+          },
+          {
+            "id": 17973,
+            "nodeType": "VariableDeclaration",
+            "src": "2526:33:15",
+            "nodes": [],
+            "constant": false,
+            "functionSelector": "af47b9bb",
+            "mutability": "mutable",
+            "name": "maxMessageBodySize",
+            "scope": 18452,
+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_uint256",
+              "typeString": "uint256"
+            },
+            "typeName": {
+              "id": 17972,
+              "name": "uint256",
+              "nodeType": "ElementaryTypeName",
+              "src": "2526:7:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_uint256",
+                "typeString": "uint256"
+              }
+            },
+            "visibility": "public"
+          },
+          {
+            "id": 17975,
+            "nodeType": "VariableDeclaration",
+            "src": "2618:32:15",
+            "nodes": [],
+            "constant": false,
+            "functionSelector": "8371744e",
+            "mutability": "mutable",
+            "name": "nextAvailableNonce",
+            "scope": 18452,
+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_uint64",
+              "typeString": "uint64"
+            },
+            "typeName": {
+              "id": 17974,
+              "name": "uint64",
+              "nodeType": "ElementaryTypeName",
+              "src": "2618:6:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_uint64",
+                "typeString": "uint64"
+              }
+            },
+            "visibility": "public"
+          },
+          {
+            "id": 17979,
+            "nodeType": "VariableDeclaration",
+            "src": "2745:45:15",
+            "nodes": [],
+            "constant": false,
+            "functionSelector": "feb61724",
+            "mutability": "mutable",
+            "name": "usedNonces",
+            "scope": 18452,
+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$",
+              "typeString": "mapping(bytes32 => uint256)"
+            },
+            "typeName": {
+              "id": 17978,
+              "keyType": {
+                "id": 17976,
+                "name": "bytes32",
+                "nodeType": "ElementaryTypeName",
+                "src": "2753:7:15",
+                "typeDescriptions": {
+                  "typeIdentifier": "t_bytes32",
+                  "typeString": "bytes32"
+                }
+              },
+              "nodeType": "Mapping",
+              "src": "2745:27:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$",
+                "typeString": "mapping(bytes32 => uint256)"
+              },
+              "valueType": {
+                "id": 17977,
+                "name": "uint256",
+                "nodeType": "ElementaryTypeName",
+                "src": "2764:7:15",
+                "typeDescriptions": {
+                  "typeIdentifier": "t_uint256",
+                  "typeString": "uint256"
+                }
+              }
+            },
+            "visibility": "public"
+          },
+          {
+            "id": 18006,
+            "nodeType": "FunctionDefinition",
+            "src": "2842:278:15",
+            "nodes": [],
+            "body": {
+              "id": 18005,
+              "nodeType": "Block",
+              "src": "2999:121:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "id": 17995,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 17993,
+                      "name": "localDomain",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17969,
+                      "src": "3009:11:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "id": 17994,
+                      "name": "_localDomain",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17981,
+                      "src": "3023:12:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "src": "3009:26:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "id": 17996,
+                  "nodeType": "ExpressionStatement",
+                  "src": "3009:26:15"
+                },
+                {
+                  "expression": {
+                    "id": 17999,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 17997,
+                      "name": "maxMessageBodySize",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17973,
+                      "src": "3045:18:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint256",
+                        "typeString": "uint256"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "id": 17998,
+                      "name": "_maxMessageBodySize",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17985,
+                      "src": "3066:19:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "src": "3045:40:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "id": 18000,
+                  "nodeType": "ExpressionStatement",
+                  "src": "3045:40:15"
+                },
+                {
+                  "expression": {
+                    "id": 18003,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18001,
+                      "name": "version",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17971,
+                      "src": "3095:7:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "id": 18002,
+                      "name": "_version",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17987,
+                      "src": "3105:8:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "src": "3095:18:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "id": 18004,
+                  "nodeType": "ExpressionStatement",
+                  "src": "3095:18:15"
+                }
+              ]
+            },
+            "implemented": true,
+            "kind": "constructor",
+            "modifiers": [
+              {
+                "arguments": [
+                  {
+                    "id": 17990,
+                    "name": "_attester",
+                    "nodeType": "Identifier",
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+                    "referencedDeclaration": 17983,
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+                  }
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+                      "typeString": "uint32"
+                    }
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+                    "typeString": "address"
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+                    "name": "address",
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+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
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+                  "id": 17985,
+                  "mutability": "mutable",
+                  "name": "_maxMessageBodySize",
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+                  "src": "2919:26:15",
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+                  "storageLocation": "default",
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+                    "name": "uint32",
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+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
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+                },
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+                        "name": "bytes32",
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+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                        "nodeType": "Literal",
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+                        "typeDescriptions": {
+                          "typeIdentifier": "t_rational_0_by_1",
+                          "typeString": "int_const 0"
+                        },
+                        "value": "0"
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+                          "typeIdentifier": "t_rational_0_by_1",
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+                      "typeDescriptions": {
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+                        "typeString": "type(bytes32)"
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+                        "name": "bytes32",
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+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
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+                },
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+                      "mutability": "mutable",
+                      "name": "_nonce",
+                      "nodeType": "VariableDeclaration",
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+                      "src": "3849:13:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
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+                        "name": "uint64",
+                        "nodeType": "ElementaryTypeName",
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+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
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+                      "src": "3865:25:15",
+                      "typeDescriptions": {
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+                        "typeString": "function () returns (uint64)"
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+                      "typeString": "uint64"
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+                      "mutability": "mutable",
+                      "name": "_messageSender",
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+                      "src": "3902:22:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
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+                        "name": "bytes32",
+                        "nodeType": "ElementaryTypeName",
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+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                          "id": 18037,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": -15,
+                          "src": "3952:3:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 18038,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "3952:10:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      ],
+                      "expression": {
+                        "id": 18035,
+                        "name": "Message",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19815,
+                        "src": "3927:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                          "typeString": "type(library Message)"
+                        }
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+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "addressToBytes32",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 19771,
+                      "src": "3927:24:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_delegatecall_pure$_t_address_$returns$_t_bytes32_$",
+                        "typeString": "function (address) pure returns (bytes32)"
+                      }
+                    },
+                    "id": 18039,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "3927:36:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
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+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "3902:61:15"
+                },
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+                        "id": 18042,
+                        "name": "destinationDomain",
+                        "nodeType": "Identifier",
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+                        "referencedDeclaration": 18009,
+                        "src": "4000:17:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18043,
+                        "name": "recipient",
+                        "nodeType": "Identifier",
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+                        "src": "4031:9:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
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+                        "id": 18044,
+                        "name": "_emptyDestinationCaller",
+                        "nodeType": "Identifier",
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+                        "referencedDeclaration": 18022,
+                        "src": "4054:23:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
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+                        "id": 18045,
+                        "name": "_messageSender",
+                        "nodeType": "Identifier",
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+                        "referencedDeclaration": 18034,
+                        "src": "4091:14:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18046,
+                        "name": "_nonce",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18029,
+                        "src": "4119:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "id": 18047,
+                        "name": "messageBody",
+                        "nodeType": "Identifier",
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+                        "referencedDeclaration": 18013,
+                        "src": "4139:11:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      }
+                    ],
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+                      "argumentTypes": [
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+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
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+                      "name": "_sendMessage",
+                      "nodeType": "Identifier",
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+                      "src": "3974:12:15",
+                      "typeDescriptions": {
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+                        "typeString": "function (uint32,bytes32,bytes32,bytes32,uint64,bytes calldata)"
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+                    "tryCall": false,
+                    "typeDescriptions": {
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+                      "typeString": "tuple()"
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+                },
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+                    "name": "_nonce",
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+                    "src": "4178:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
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+                  "nodeType": "Return",
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+                }
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+            "baseFunctions": [
+              22509
+            ],
+            "documentation": {
+              "id": 18007,
+              "nodeType": "StructuredDocumentation",
+              "src": "3179:428:15",
+              "text": " @notice Send the message to the destination domain and recipient\n @dev Increment nonce, format the message, and emit `MessageSent` event with message information.\n @param destinationDomain Domain of destination chain\n @param recipient Address of message recipient on destination chain as bytes32\n @param messageBody Raw bytes content of message\n @return nonce reserved by message"
+            },
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+            "kind": "function",
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+                "modifierName": {
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+                  "name": "whenNotPaused",
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+                  "referencedDeclaration": 21705,
+                  "src": "3754:13:15",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
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+                "nodeType": "ModifierInvocation",
+                "src": "3754:13:15"
+              }
+            ],
+            "name": "sendMessage",
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+              "nodeType": "OverrideSpecifier",
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+              "src": "3745:8:15"
+            },
+            "parameters": {
+              "id": 18014,
+              "nodeType": "ParameterList",
+              "parameters": [
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+                  "id": 18009,
+                  "mutability": "mutable",
+                  "name": "destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18053,
+                  "src": "3642:24:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
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+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
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+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
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+                  "id": 18011,
+                  "mutability": "mutable",
+                  "name": "recipient",
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+                  "src": "3676:17:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
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+                    "name": "bytes32",
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+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
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+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
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+                  "mutability": "mutable",
+                  "name": "messageBody",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18053,
+                  "src": "3703:26:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
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+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "3703:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
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+                  "visibility": "internal"
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+            },
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+              "id": 18020,
+              "nodeType": "ParameterList",
+              "parameters": [
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+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
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+                  "src": "3777:6:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
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+                    "id": 18018,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "3777:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "3776:8:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
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+          {
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+            "nodeType": "FunctionDefinition",
+            "src": "5013:1314:15",
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+              "nodeType": "Block",
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+              "statements": [
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+                        "id": 18069,
+                        "name": "originalMessage",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18056,
+                        "src": "5329:15:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      },
+                      {
+                        "id": 18070,
+                        "name": "originalAttestation",
+                        "nodeType": "Identifier",
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+                        "referencedDeclaration": 18058,
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+                        "typeString": "bytes32"
+                      },
+                      "typeName": {
+                        "id": 18121,
+                        "name": "bytes32",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "6035:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18126,
+                  "initialValue": {
+                    "arguments": [],
+                    "expression": {
+                      "argumentTypes": [],
+                      "expression": {
+                        "id": 18123,
+                        "name": "_originalMsg",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18074,
+                        "src": "6056:12:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
+                        }
+                      },
+                      "id": 18124,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "_recipient",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 19718,
+                      "src": "6056:23:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_bytes32_$bound_to$_t_bytes29_$",
+                        "typeString": "function (bytes29) pure returns (bytes32)"
+                      }
+                    },
+                    "id": 18125,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "6056:25:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "6035:46:15"
+                },
+                {
+                  "assignments": [
+                    18128
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18128,
+                      "mutability": "mutable",
+                      "name": "_nonce",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18142,
+                      "src": "6091:13:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      },
+                      "typeName": {
+                        "id": 18127,
+                        "name": "uint64",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "6091:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18132,
+                  "initialValue": {
+                    "arguments": [],
+                    "expression": {
+                      "argumentTypes": [],
+                      "expression": {
+                        "id": 18129,
+                        "name": "_originalMsg",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18074,
+                        "src": "6107:12:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
+                        }
+                      },
+                      "id": 18130,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "_nonce",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 19690,
+                      "src": "6107:19:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_uint64_$bound_to$_t_bytes29_$",
+                        "typeString": "function (bytes29) pure returns (uint64)"
+                      }
+                    },
+                    "id": 18131,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "6107:21:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "6091:37:15"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "id": 18134,
+                        "name": "_destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18116,
+                        "src": "6165:18:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18135,
+                        "name": "_recipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18122,
+                        "src": "6197:10:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18136,
+                        "name": "newDestinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18062,
+                        "src": "6221:20:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18137,
+                        "name": "_sender",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18086,
+                        "src": "6255:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18138,
+                        "name": "_nonce",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18128,
+                        "src": "6276:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "id": 18139,
+                        "name": "newMessageBody",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18060,
+                        "src": "6296:14:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      ],
+                      "id": 18133,
+                      "name": "_sendMessage",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18413,
+                      "src": "6139:12:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_nonpayable$_t_uint32_$_t_bytes32_$_t_bytes32_$_t_bytes32_$_t_uint64_$_t_bytes_calldata_ptr_$returns$__$",
+                        "typeString": "function (uint32,bytes32,bytes32,bytes32,uint64,bytes calldata)"
+                      }
+                    },
+                    "id": 18140,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "6139:181:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18141,
+                  "nodeType": "ExpressionStatement",
+                  "src": "6139:181:15"
+                }
+              ]
+            },
+            "baseFunctions": [
+              22535
+            ],
+            "documentation": {
+              "id": 18054,
+              "nodeType": "StructuredDocumentation",
+              "src": "4197:811:15",
+              "text": " @notice Replace a message with a new message body and/or destination caller.\n @dev The `originalAttestation` must be a valid attestation of `originalMessage`.\n Reverts if msg.sender does not match sender of original message, or if the source domain of the original message\n does not match this MessageTransmitter's local domain.\n @param originalMessage original message to replace\n @param originalAttestation attestation of `originalMessage`\n @param newMessageBody new message body of replaced message\n @param newDestinationCaller the new destination caller, which may be the\n same as the original destination caller, a new destination caller, or an empty\n destination caller (bytes32(0), indicating that any destination caller is valid.)"
+            },
+            "functionSelector": "b857b774",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [
+              {
+                "id": 18066,
+                "modifierName": {
+                  "id": 18065,
+                  "name": "whenNotPaused",
+                  "nodeType": "Identifier",
+                  "overloadedDeclarations": [],
+                  "referencedDeclaration": 21705,
+                  "src": "5222:13:15",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
+                  }
+                },
+                "nodeType": "ModifierInvocation",
+                "src": "5222:13:15"
+              }
+            ],
+            "name": "replaceMessage",
+            "overrides": {
+              "id": 18064,
+              "nodeType": "OverrideSpecifier",
+              "overrides": [],
+              "src": "5213:8:15"
+            },
+            "parameters": {
+              "id": 18063,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18056,
+                  "mutability": "mutable",
+                  "name": "originalMessage",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18143,
+                  "src": "5046:30:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18055,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5046:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18058,
+                  "mutability": "mutable",
+                  "name": "originalAttestation",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18143,
+                  "src": "5086:34:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18057,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5086:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18060,
+                  "mutability": "mutable",
+                  "name": "newMessageBody",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18143,
+                  "src": "5130:29:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18059,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5130:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18062,
+                  "mutability": "mutable",
+                  "name": "newDestinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18143,
+                  "src": "5169:28:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18061,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5169:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "5036:167:15"
+            },
+            "returnParameters": {
+              "id": 18067,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "5236:0:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 18195,
+            "nodeType": "FunctionDefinition",
+            "src": "7236:687:15",
+            "nodes": [],
+            "body": {
+              "id": 18194,
+              "nodeType": "Block",
+              "src": "7454:469:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        "id": 18166,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 18161,
+                          "name": "destinationCaller",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18150,
+                          "src": "7485:17:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 18164,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "7514:1:15",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 18163,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "7506:7:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_bytes32_$",
+                              "typeString": "type(bytes32)"
+                            },
+                            "typeName": {
+                              "id": 18162,
+                              "name": "bytes32",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "7506:7:15",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18165,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "7506:10:15",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "src": "7485:31:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "44657374696e6174696f6e2063616c6c6572206d757374206265206e6f6e7a65726f",
+                        "id": 18167,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "7530:36:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_16483e6dd3c8282947f9ec9d4baa0b9ce0705b959b30a461e0c041eda3114e30",
+                          "typeString": "literal_string \"Destination caller must be nonzero\""
+                        },
+                        "value": "Destination caller must be nonzero"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_16483e6dd3c8282947f9ec9d4baa0b9ce0705b959b30a461e0c041eda3114e30",
+                          "typeString": "literal_string \"Destination caller must be nonzero\""
+                        }
+                      ],
+                      "id": 18160,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "7464:7:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18168,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "7464:112:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18169,
+                  "nodeType": "ExpressionStatement",
+                  "src": "7464:112:15"
+                },
+                {
+                  "assignments": [
+                    18171
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18171,
+                      "mutability": "mutable",
+                      "name": "_nonce",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18194,
+                      "src": "7587:13:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      },
+                      "typeName": {
+                        "id": 18170,
+                        "name": "uint64",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "7587:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18174,
+                  "initialValue": {
+                    "arguments": [],
+                    "expression": {
+                      "argumentTypes": [],
+                      "id": 18172,
+                      "name": "_reserveAndIncrementNonce",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18451,
+                      "src": "7603:25:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_nonpayable$__$returns$_t_uint64_$",
+                        "typeString": "function () returns (uint64)"
+                      }
+                    },
+                    "id": 18173,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "7603:27:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "7587:43:15"
+                },
+                {
+                  "assignments": [
+                    18176
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18176,
+                      "mutability": "mutable",
+                      "name": "_messageSender",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18194,
+                      "src": "7640:22:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      },
+                      "typeName": {
+                        "id": 18175,
+                        "name": "bytes32",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "7640:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18182,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "expression": {
+                          "id": 18179,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": -15,
+                          "src": "7690:3:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 18180,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "7690:10:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      ],
+                      "expression": {
+                        "id": 18177,
+                        "name": "Message",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19815,
+                        "src": "7665:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                          "typeString": "type(library Message)"
+                        }
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+                      "memberName": "addressToBytes32",
+                      "nodeType": "MemberAccess",
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+                      "src": "7665:24:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_delegatecall_pure$_t_address_$returns$_t_bytes32_$",
+                        "typeString": "function (address) pure returns (bytes32)"
+                      }
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+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
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+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "7665:36:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
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+                  "src": "7640:61:15"
+                },
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+                        "name": "destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18146,
+                        "src": "7738:17:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
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+                        "name": "recipient",
+                        "nodeType": "Identifier",
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+                        "src": "7769:9:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                        "name": "destinationCaller",
+                        "nodeType": "Identifier",
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+                        "src": "7792:17:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
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+                        "name": "_messageSender",
+                        "nodeType": "Identifier",
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+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                        "nodeType": "Identifier",
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+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
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+                        "name": "messageBody",
+                        "nodeType": "Identifier",
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+                          "typeString": "bytes calldata"
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+                          "typeString": "uint32"
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+                          "typeString": "bytes32"
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+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                          "typeString": "bytes32"
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+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
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+              "nodeType": "StructuredDocumentation",
+              "src": "6333:898:15",
+              "text": " @notice Send the message to the destination domain and recipient, for a specified `destinationCaller` on the\n destination domain.\n @dev Increment nonce, format the message, and emit `MessageSent` event with message information.\n WARNING: if the `destinationCaller` does not represent a valid address, then it will not be possible\n to broadcast the message on the destination domain. This is an advanced feature, and the standard\n sendMessage() should be preferred for use cases where a specific destination caller is not required.\n @param destinationDomain Domain of destination chain\n @param recipient Address of message recipient on destination domain as bytes32\n @param destinationCaller caller on the destination domain, as bytes32\n @param messageBody Raw bytes content of message\n @return nonce reserved by message"
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+                  "scope": 18195,
+                  "src": "7372:26:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
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+                    "typeString": "bytes"
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+                      "typeString": "bytes"
+                    }
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+                        "name": "attestation",
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+                        "id": 18333,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "11085:10:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      },
+                      {
+                        "id": 18334,
+                        "name": "_sourceDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18267,
+                        "src": "11109:13:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18335,
+                        "name": "_nonce",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18273,
+                        "src": "11136:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "id": 18336,
+                        "name": "_sender",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18301,
+                        "src": "11156:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18337,
+                        "name": "_messageBody",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18307,
+                        "src": "11177:12:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      ],
+                      "id": 18331,
+                      "name": "MessageReceived",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17953,
+                      "src": "11056:15:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint32_$_t_uint64_$_t_bytes32_$_t_bytes_memory_ptr_$returns$__$",
+                        "typeString": "function (address,uint32,uint64,bytes32,bytes memory)"
+                      }
+                    },
+                    "id": 18338,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "11056:143:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18339,
+                  "nodeType": "EmitStatement",
+                  "src": "11051:148:15"
+                },
+                {
+                  "expression": {
+                    "hexValue": "74727565",
+                    "id": 18340,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": true,
+                    "kind": "bool",
+                    "lValueRequested": false,
+                    "nodeType": "Literal",
+                    "src": "11216:4:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    },
+                    "value": "true"
+                  },
+                  "functionReturnParameters": 18207,
+                  "id": 18341,
+                  "nodeType": "Return",
+                  "src": "11209:11:15"
+                }
+              ]
+            },
+            "baseFunctions": [
+              22493
+            ],
+            "documentation": {
+              "id": 18196,
+              "nodeType": "StructuredDocumentation",
+              "src": "7929:1416:15",
+              "text": " @notice Receive a message. Messages with a given nonce\n can only be broadcast once for a (sourceDomain, destinationDomain)\n pair. The message body of a valid message is passed to the\n specified recipient for further processing.\n @dev Attestation format:\n A valid attestation is the concatenated 65-byte signature(s) of exactly\n `thresholdSignature` signatures, in increasing order of attester address.\n ***If the attester addresses recovered from signatures are not in\n increasing order, signature verification will fail.***\n If incorrect number of signatures or duplicate signatures are supplied,\n signature verification will fail.\n Message format:\n Field                 Bytes      Type       Index\n version               4          uint32     0\n sourceDomain          4          uint32     4\n destinationDomain     4          uint32     8\n nonce                 8          uint64     12\n sender                32         bytes32    20\n recipient             32         bytes32    52\n messageBody           dynamic    bytes      84\n @param message Message bytes\n @param attestation Concatenated 65-byte signature(s) of `message`, in increasing order\n of the attester address recovered from signatures.\n @return success bool, true if successful"
+            },
+            "functionSelector": "57ecfd28",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [
+              {
+                "id": 18204,
+                "modifierName": {
+                  "id": 18203,
+                  "name": "whenNotPaused",
+                  "nodeType": "Identifier",
+                  "overloadedDeclarations": [],
+                  "referencedDeclaration": 21705,
+                  "src": "9468:13:15",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
+                  }
+                },
+                "nodeType": "ModifierInvocation",
+                "src": "9468:13:15"
+              }
+            ],
+            "name": "receiveMessage",
+            "overrides": {
+              "id": 18202,
+              "nodeType": "OverrideSpecifier",
+              "overrides": [],
+              "src": "9451:8:15"
+            },
+            "parameters": {
+              "id": 18201,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18198,
+                  "mutability": "mutable",
+                  "name": "message",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18343,
+                  "src": "9374:22:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18197,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "9374:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18200,
+                  "mutability": "mutable",
+                  "name": "attestation",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18343,
+                  "src": "9398:26:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18199,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "9398:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "9373:52:15"
+            },
+            "returnParameters": {
+              "id": 18207,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18206,
+                  "mutability": "mutable",
+                  "name": "success",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18343,
+                  "src": "9499:12:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bool",
+                    "typeString": "bool"
+                  },
+                  "typeName": {
+                    "id": 18205,
+                    "name": "bool",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "9499:4:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "9498:14:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 18360,
+            "nodeType": "FunctionDefinition",
+            "src": "11493:220:15",
+            "nodes": [],
+            "body": {
+              "id": 18359,
+              "nodeType": "Block",
+              "src": "11594:119:15",
+              "nodes": [],
+              "statements": [
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+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18351,
+                      "name": "maxMessageBodySize",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17973,
+                      "src": "11604:18:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint256",
+                        "typeString": "uint256"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "id": 18352,
+                      "name": "newMaxMessageBodySize",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18346,
+                      "src": "11625:21:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint256",
+                        "typeString": "uint256"
+                      }
+                    },
+                    "src": "11604:42:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "id": 18354,
+                  "nodeType": "ExpressionStatement",
+                  "src": "11604:42:15"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 18356,
+                        "name": "maxMessageBodySize",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 17973,
+                        "src": "11687:18:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      ],
+                      "id": 18355,
+                      "name": "MaxMessageBodySizeUpdated",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17958,
+                      "src": "11661:25:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_uint256_$returns$__$",
+                        "typeString": "function (uint256)"
+                      }
+                    },
+                    "id": 18357,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "11661:45:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18358,
+                  "nodeType": "EmitStatement",
+                  "src": "11656:50:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18344,
+              "nodeType": "StructuredDocumentation",
+              "src": "11233:255:15",
+              "text": " @notice Sets the max message body size\n @dev This value should not be reduced without good reason,\n to avoid impacting users who rely on large messages.\n @param newMaxMessageBodySize new max message body size, in bytes"
+            },
+            "functionSelector": "92492c68",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [
+              {
+                "id": 18349,
+                "modifierName": {
+                  "id": 18348,
+                  "name": "onlyOwner",
+                  "nodeType": "Identifier",
+                  "overloadedDeclarations": [],
+                  "referencedDeclaration": 23550,
+                  "src": "11580:9:15",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
+                  }
+                },
+                "nodeType": "ModifierInvocation",
+                "src": "11580:9:15"
+              }
+            ],
+            "name": "setMaxMessageBodySize",
+            "parameters": {
+              "id": 18347,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18346,
+                  "mutability": "mutable",
+                  "name": "newMaxMessageBodySize",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18360,
+                  "src": "11524:29:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 18345,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "11524:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "11523:31:15"
+            },
+            "returnParameters": {
+              "id": 18350,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "11594:0:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 18413,
+            "nodeType": "FunctionDefinition",
+            "src": "12475:836:15",
+            "nodes": [],
+            "body": {
+              "id": 18412,
+              "nodeType": "Block",
+              "src": "12696:615:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        "id": 18380,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "expression": {
+                            "id": 18377,
+                            "name": "_messageBody",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18373,
+                            "src": "12767:12:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes_calldata_ptr",
+                              "typeString": "bytes calldata"
+                            }
+                          },
+                          "id": 18378,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "length",
+                          "nodeType": "MemberAccess",
+                          "src": "12767:19:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint256",
+                            "typeString": "uint256"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "<=",
+                        "rightExpression": {
+                          "id": 18379,
+                          "name": "maxMessageBodySize",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 17973,
+                          "src": "12790:18:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint256",
+                            "typeString": "uint256"
+                          }
+                        },
+                        "src": "12767:41:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4d65737361676520626f64792065786365656473206d61782073697a65",
+                        "id": 18381,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "12822:31:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_5a1515922dbe2488b5038322110ac6be2a5c2c588524e0e24bfe20a53b04de5f",
+                          "typeString": "literal_string \"Message body exceeds max size\""
+                        },
+                        "value": "Message body exceeds max size"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_5a1515922dbe2488b5038322110ac6be2a5c2c588524e0e24bfe20a53b04de5f",
+                          "typeString": "literal_string \"Message body exceeds max size\""
+                        }
+                      ],
+                      "id": 18376,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "12746:7:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18382,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "12746:117:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18383,
+                  "nodeType": "ExpressionStatement",
+                  "src": "12746:117:15"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        "id": 18390,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 18385,
+                          "name": "_recipient",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18365,
+                          "src": "12882:10:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 18388,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "12904:1:15",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 18387,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "12896:7:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_bytes32_$",
+                              "typeString": "type(bytes32)"
+                            },
+                            "typeName": {
+                              "id": 18386,
+                              "name": "bytes32",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "12896:7:15",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18389,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "12896:10:15",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "src": "12882:24:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
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+                        "isConstant": false,
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+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "12908:27:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_62cbab1e58fe238ebb237c287f51eb3c469f8f7dc54cd96f21a8269dbf7be984",
+                          "typeString": "literal_string \"Recipient must be nonzero\""
+                        },
+                        "value": "Recipient must be nonzero"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
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+                          "typeString": "literal_string \"Recipient must be nonzero\""
+                        }
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+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
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+                      "src": "12874:7:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
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+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "12874:62:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18393,
+                  "nodeType": "ExpressionStatement",
+                  "src": "12874:62:15"
+                },
+                {
+                  "assignments": [
+                    18395
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18395,
+                      "mutability": "mutable",
+                      "name": "_message",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18412,
+                      "src": "12976:21:15",
+                      "stateVariable": false,
+                      "storageLocation": "memory",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes_memory_ptr",
+                        "typeString": "bytes"
+                      },
+                      "typeName": {
+                        "id": 18394,
+                        "name": "bytes",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "12976:5:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_storage_ptr",
+                          "typeString": "bytes"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18407,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 18398,
+                        "name": "version",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 17971,
+                        "src": "13036:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18399,
+                        "name": "localDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 17969,
+                        "src": "13057:11:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18400,
+                        "name": "_destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18363,
+                        "src": "13082:18:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18401,
+                        "name": "_nonce",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18371,
+                        "src": "13114:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "id": 18402,
+                        "name": "_sender",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18369,
+                        "src": "13134:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18403,
+                        "name": "_recipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18365,
+                        "src": "13155:10:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18404,
+                        "name": "_destinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18367,
+                        "src": "13179:18:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18405,
+                        "name": "_messageBody",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18373,
+                        "src": "13211:12:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      ],
+                      "expression": {
+                        "id": 18396,
+                        "name": "Message",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19815,
+                        "src": "13000:7:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                          "typeString": "type(library Message)"
+                        }
+                      },
+                      "id": 18397,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "_formatMessage",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 19622,
+                      "src": "13000:22:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_uint32_$_t_uint32_$_t_uint32_$_t_uint64_$_t_bytes32_$_t_bytes32_$_t_bytes32_$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$",
+                        "typeString": "function (uint32,uint32,uint32,uint64,bytes32,bytes32,bytes32,bytes memory) pure returns (bytes memory)"
+                      }
+                    },
+                    "id": 18406,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "13000:233:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_memory_ptr",
+                      "typeString": "bytes memory"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "12976:257:15"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 18409,
+                        "name": "_message",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18395,
+                        "src": "13295:8:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      ],
+                      "id": 18408,
+                      "name": "MessageSent",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17940,
+                      "src": "13283:11:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_bytes_memory_ptr_$returns$__$",
+                        "typeString": "function (bytes memory)"
+                      }
+                    },
+                    "id": 18410,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "13283:21:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18411,
+                  "nodeType": "EmitStatement",
+                  "src": "13278:26:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18361,
+              "nodeType": "StructuredDocumentation",
+              "src": "11767:703:15",
+              "text": " @notice Send the message to the destination domain and recipient. If `_destinationCaller` is not equal to bytes32(0),\n the message can only be received on the destination chain when called by `_destinationCaller`.\n @dev Format the message and emit `MessageSent` event with message information.\n @param _destinationDomain Domain of destination chain\n @param _recipient Address of message recipient on destination domain as bytes32\n @param _destinationCaller caller on the destination domain, as bytes32\n @param _sender message sender, as bytes32\n @param _nonce nonce reserved for message\n @param _messageBody Raw bytes content of message"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_sendMessage",
+            "parameters": {
+              "id": 18374,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18363,
+                  "mutability": "mutable",
+                  "name": "_destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12506:25:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18362,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12506:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18365,
+                  "mutability": "mutable",
+                  "name": "_recipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12541:18:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18364,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12541:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18367,
+                  "mutability": "mutable",
+                  "name": "_destinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12569:26:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18366,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12569:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18369,
+                  "mutability": "mutable",
+                  "name": "_sender",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12605:15:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18368,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12605:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18371,
+                  "mutability": "mutable",
+                  "name": "_nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12630:13:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 18370,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12630:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18373,
+                  "mutability": "mutable",
+                  "name": "_messageBody",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18413,
+                  "src": "12653:27:15",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18372,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "12653:5:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "12496:190:15"
+            },
+            "returnParameters": {
+              "id": 18375,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "12696:0:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 18432,
+            "nodeType": "FunctionDefinition",
+            "src": "13587:188:15",
+            "nodes": [],
+            "body": {
+              "id": 18431,
+              "nodeType": "Block",
+              "src": "13707:68:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "arguments": [
+                          {
+                            "id": 18426,
+                            "name": "_source",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18416,
+                            "src": "13751:7:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_uint32",
+                              "typeString": "uint32"
+                            }
+                          },
+                          {
+                            "id": 18427,
+                            "name": "_nonce",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18418,
+                            "src": "13760:6:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_uint64",
+                              "typeString": "uint64"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_uint32",
+                              "typeString": "uint32"
+                            },
+                            {
+                              "typeIdentifier": "t_uint64",
+                              "typeString": "uint64"
+                            }
+                          ],
+                          "expression": {
+                            "id": 18424,
+                            "name": "abi",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": -1,
+                            "src": "13734:3:15",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_magic_abi",
+                              "typeString": "abi"
+                            }
+                          },
+                          "id": 18425,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "memberName": "encodePacked",
+                          "nodeType": "MemberAccess",
+                          "src": "13734:16:15",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$",
+                            "typeString": "function () pure returns (bytes memory)"
+                          }
+                        },
+                        "id": 18428,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "13734:33:15",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      ],
+                      "id": 18423,
+                      "name": "keccak256",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": -8,
+                      "src": "13724:9:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_keccak256_pure$_t_bytes_memory_ptr_$returns$_t_bytes32_$",
+                        "typeString": "function (bytes memory) pure returns (bytes32)"
+                      }
+                    },
+                    "id": 18429,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "13724:44:15",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "functionReturnParameters": 18422,
+                  "id": 18430,
+                  "nodeType": "Return",
+                  "src": "13717:51:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18414,
+              "nodeType": "StructuredDocumentation",
+              "src": "13317:265:15",
+              "text": " @notice hashes `_source` and `_nonce`.\n @param _source Domain of chain where the transfer originated\n @param _nonce The unique identifier for the message from source to\ndestination\n @return hash of source and nonce"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_hashSourceAndNonce",
+            "parameters": {
+              "id": 18419,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18416,
+                  "mutability": "mutable",
+                  "name": "_source",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18432,
+                  "src": "13616:14:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18415,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "13616:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18418,
+                  "mutability": "mutable",
+                  "name": "_nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18432,
+                  "src": "13632:13:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 18417,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "13632:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "13615:31:15"
+            },
+            "returnParameters": {
+              "id": 18422,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18421,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18432,
+                  "src": "13694:7:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18420,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "13694:7:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "13693:9:15"
+            },
+            "scope": 18452,
+            "stateMutability": "pure",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 18451,
+            "nodeType": "FunctionDefinition",
+            "src": "13877:206:15",
+            "nodes": [],
+            "body": {
+              "id": 18450,
+              "nodeType": "Block",
+              "src": "13940:143:15",
+              "nodes": [],
+              "statements": [
+                {
+                  "assignments": [
+                    18439
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18439,
+                      "mutability": "mutable",
+                      "name": "_nonceReserved",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18450,
+                      "src": "13950:21:15",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      },
+                      "typeName": {
+                        "id": 18438,
+                        "name": "uint64",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "13950:6:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18441,
+                  "initialValue": {
+                    "id": 18440,
+                    "name": "nextAvailableNonce",
+                    "nodeType": "Identifier",
+                    "overloadedDeclarations": [],
+                    "referencedDeclaration": 17975,
+                    "src": "13974:18:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "13950:42:15"
+                },
+                {
+                  "expression": {
+                    "id": 18446,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18442,
+                      "name": "nextAvailableNonce",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 17975,
+                      "src": "14002:18:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "commonType": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      },
+                      "id": 18445,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "leftExpression": {
+                        "id": 18443,
+                        "name": "nextAvailableNonce",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 17975,
+                        "src": "14023:18:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      "nodeType": "BinaryOperation",
+                      "operator": "+",
+                      "rightExpression": {
+                        "hexValue": "31",
+                        "id": 18444,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "number",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "14044:1:15",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_rational_1_by_1",
+                          "typeString": "int_const 1"
+                        },
+                        "value": "1"
+                      },
+                      "src": "14023:22:15",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      }
+                    },
+                    "src": "14002:43:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "id": 18447,
+                  "nodeType": "ExpressionStatement",
+                  "src": "14002:43:15"
+                },
+                {
+                  "expression": {
+                    "id": 18448,
+                    "name": "_nonceReserved",
+                    "nodeType": "Identifier",
+                    "overloadedDeclarations": [],
+                    "referencedDeclaration": 18439,
+                    "src": "14062:14:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "functionReturnParameters": 18437,
+                  "id": 18449,
+                  "nodeType": "Return",
+                  "src": "14055:21:15"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18433,
+              "nodeType": "StructuredDocumentation",
+              "src": "13781:91:15",
+              "text": " Reserve and increment next available nonce\n @return nonce reserved"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_reserveAndIncrementNonce",
+            "parameters": {
+              "id": 18434,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "13911:2:15"
+            },
+            "returnParameters": {
+              "id": 18437,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18436,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18451,
+                  "src": "13932:6:15",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 18435,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "13932:6:15",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "13931:8:15"
+            },
+            "scope": 18452,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "internal"
+          }
+        ],
+        "abstract": false,
+        "baseContracts": [
+          {
+            "baseName": {
+              "id": 17928,
+              "name": "IMessageTransmitter",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21292,
+              "src": "1067:19:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                "typeString": "contract IMessageTransmitter"
+              }
+            },
+            "id": 17929,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1067:19:15"
+          },
+          {
+            "baseName": {
+              "id": 17930,
+              "name": "Pausable",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21783,
+              "src": "1092:8:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_Pausable_$21783",
+                "typeString": "contract Pausable"
+              }
+            },
+            "id": 17931,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1092:8:15"
+          },
+          {
+            "baseName": {
+              "id": 17932,
+              "name": "Rescuable",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21872,
+              "src": "1106:9:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_Rescuable_$21872",
+                "typeString": "contract Rescuable"
+              }
+            },
+            "id": 17933,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1106:9:15"
+          },
+          {
+            "baseName": {
+              "id": 17934,
+              "name": "Attestable",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21675,
+              "src": "1121:10:15",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_Attestable_$21675",
+                "typeString": "contract Attestable"
+              }
+            },
+            "id": 17935,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1121:10:15"
+          }
+        ],
+        "contractDependencies": [
+          21292,
+          21675,
+          21783,
+          21872,
+          22494,
+          22536,
+          23227,
+          23617,
+          24291
+        ],
+        "contractKind": "contract",
+        "documentation": {
+          "id": 17927,
+          "nodeType": "StructuredDocumentation",
+          "src": "913:118:15",
+          "text": " @title MessageTransmitter\n @notice Contract responsible for sending and receiving messages across chains."
+        },
+        "fullyImplemented": true,
+        "linearizedBaseContracts": [
+          18452,
+          21675,
+          21872,
+          21783,
+          23227,
+          23617,
+          24291,
+          21292,
+          22494,
+          22536
+        ],
+        "name": "MessageTransmitter",
+        "scope": 18453
+      }
+    ]
+  },
+  "id": 15
+}
\ No newline at end of file
diff --git a/typescript/example/abi/TokenMessenger.json b/typescript/example/abi/TokenMessenger.json
new file mode 100644
index 0000000..da46934
--- /dev/null
+++ b/typescript/example/abi/TokenMessenger.json
@@ -0,0 +1,12642 @@
+{
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "_messageTransmitter",
+          "type": "address"
+        },
+        {
+          "internalType": "uint32",
+          "name": "_messageBodyVersion",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "uint64",
+          "name": "nonce",
+          "type": "uint64"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "burnToken",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "depositor",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "mintRecipient",
+          "type": "bytes32"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint32",
+          "name": "destinationDomain",
+          "type": "uint32"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "destinationTokenMessenger",
+          "type": "bytes32"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "destinationCaller",
+          "type": "bytes32"
+        }
+      ],
+      "name": "DepositForBurn",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "localMinter",
+          "type": "address"
+        }
+      ],
+      "name": "LocalMinterAdded",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "localMinter",
+          "type": "address"
+        }
+      ],
+      "name": "LocalMinterRemoved",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "mintRecipient",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "mintToken",
+          "type": "address"
+        }
+      ],
+      "name": "MintAndWithdraw",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferStarted",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "uint32",
+          "name": "domain",
+          "type": "uint32"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "tokenMessenger",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RemoteTokenMessengerAdded",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "uint32",
+          "name": "domain",
+          "type": "uint32"
+        },
+        {
+          "indexed": false,
+          "internalType": "bytes32",
+          "name": "tokenMessenger",
+          "type": "bytes32"
+        }
+      ],
+      "name": "RemoteTokenMessengerRemoved",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "RescuerChanged",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "acceptOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newLocalMinter",
+          "type": "address"
+        }
+      ],
+      "name": "addLocalMinter",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "domain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "tokenMessenger",
+          "type": "bytes32"
+        }
+      ],
+      "name": "addRemoteTokenMessenger",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint32",
+          "name": "destinationDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "mintRecipient",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "burnToken",
+          "type": "address"
+        }
+      ],
+      "name": "depositForBurn",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "_nonce",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint32",
+          "name": "destinationDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "mintRecipient",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "burnToken",
+          "type": "address"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "destinationCaller",
+          "type": "bytes32"
+        }
+      ],
+      "name": "depositForBurnWithCaller",
+      "outputs": [
+        {
+          "internalType": "uint64",
+          "name": "nonce",
+          "type": "uint64"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "remoteDomain",
+          "type": "uint32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "sender",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes",
+          "name": "messageBody",
+          "type": "bytes"
+        }
+      ],
+      "name": "handleReceiveMessage",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "localMessageTransmitter",
+      "outputs": [
+        {
+          "internalType": "contract IMessageTransmitter",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "localMinter",
+      "outputs": [
+        {
+          "internalType": "contract ITokenMinter",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "messageBodyVersion",
+      "outputs": [
+        {
+          "internalType": "uint32",
+          "name": "",
+          "type": "uint32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "pendingOwner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "",
+          "type": "uint32"
+        }
+      ],
+      "name": "remoteTokenMessengers",
+      "outputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "removeLocalMinter",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint32",
+          "name": "domain",
+          "type": "uint32"
+        }
+      ],
+      "name": "removeRemoteTokenMessenger",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "bytes",
+          "name": "originalMessage",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes",
+          "name": "originalAttestation",
+          "type": "bytes"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "newDestinationCaller",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "bytes32",
+          "name": "newMintRecipient",
+          "type": "bytes32"
+        }
+      ],
+      "name": "replaceDepositForBurn",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "contract IERC20",
+          "name": "tokenContract",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "to",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "rescueERC20",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "rescuer",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newRescuer",
+          "type": "address"
+        }
+      ],
+      "name": "updateRescuer",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
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+    "linkReferences": {
+      "src/messages/Message.sol": {
+        "Message": [
+          {
+            "start": 1612,
+            "length": 20
+          },
+          {
+            "start": 2539,
+            "length": 20
+          },
+          {
+            "start": 4780,
+            "length": 20
+          },
+          {
+            "start": 8187,
+            "length": 20
+          },
+          {
+            "start": 8383,
+            "length": 20
+          }
+        ]
+      }
+    },
+    "immutableReferences": {
+      "18532": [
+        {
+          "start": 2117,
+          "length": 32
+        },
+        {
+          "start": 3148,
+          "length": 32
+        },
+        {
+          "start": 8700,
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+        },
+        {
+          "start": 8786,
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+        },
+        {
+          "start": 10559,
+          "length": 32
+        },
+        {
+          "start": 10774,
+          "length": 32
+        }
+      ],
+      "18534": [
+        {
+          "start": 2073,
+          "length": 32
+        },
+        {
+          "start": 4430,
+          "length": 32
+        },
+        {
+          "start": 4927,
+          "length": 32
+        },
+        {
+          "start": 8154,
+          "length": 32
+        }
+      ]
+    }
+  },
+  "methodIdentifiers": {
+    "acceptOwnership()": "79ba5097",
+    "addLocalMinter(address)": "8197beb9",
+    "addRemoteTokenMessenger(uint32,bytes32)": "da87e448",
+    "depositForBurn(uint256,uint32,bytes32,address)": "6fd3504e",
+    "depositForBurnWithCaller(uint256,uint32,bytes32,address,bytes32)": "f856ddb6",
+    "handleReceiveMessage(uint32,bytes32,bytes)": "96abeb70",
+    "localMessageTransmitter()": "2c121921",
+    "localMinter()": "cb75c11c",
+    "messageBodyVersion()": "9cdbb181",
+    "owner()": "8da5cb5b",
+    "pendingOwner()": "e30c3978",
+    "remoteTokenMessengers(uint32)": "82a5e665",
+    "removeLocalMinter()": "91f17888",
+    "removeRemoteTokenMessenger(uint32)": "f79fd08e",
+    "replaceDepositForBurn(bytes,bytes,bytes32,bytes32)": "29a78e33",
+    "rescueERC20(address,address,uint256)": "b2118a8d",
+    "rescuer()": "38a63183",
+    "transferOwnership(address)": "f2fde38b",
+    "updateRescuer(address)": "2ab60045"
+  },
+  "rawMetadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_messageTransmitter\",\"type\":\"address\"},{\"internalType\":\"uint32\",\"name\":\"_messageBodyVersion\",\"type\":\"uint32\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint64\",\"name\":\"nonce\",\"type\":\"uint64\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"burnToken\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"depositor\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"mintRecipient\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"destinationDomain\",\"type\":\"uint32\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"destinationTokenMessenger\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"destinationCaller\",\"type\":\"bytes32\"}],\"name\":\"DepositForBurn\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"localMinter\",\"type\":\"address\"}],\"name\":\"LocalMinterAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"localMinter\",\"type\":\"address\"}],\"name\":\"LocalMinterRemoved\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"mintRecipient\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"mintToken\",\"type\":\"address\"}],\"name\":\"MintAndWithdraw\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferStarted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"domain\",\"type\":\"uint32\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"tokenMessenger\",\"type\":\"bytes32\"}],\"name\":\"RemoteTokenMessengerAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"domain\",\"type\":\"uint32\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"tokenMessenger\",\"type\":\"bytes32\"}],\"name\":\"RemoteTokenMessengerRemoved\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newRescuer\",\"type\":\"address\"}],\"name\":\"RescuerChanged\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"acceptOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newLocalMinter\",\"type\":\"address\"}],\"name\":\"addLocalMinter\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"domain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"tokenMessenger\",\"type\":\"bytes32\"}],\"name\":\"addRemoteTokenMessenger\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"destinationDomain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"mintRecipient\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"burnToken\",\"type\":\"address\"}],\"name\":\"depositForBurn\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"_nonce\",\"type\":\"uint64\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"destinationDomain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"mintRecipient\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"burnToken\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"destinationCaller\",\"type\":\"bytes32\"}],\"name\":\"depositForBurnWithCaller\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"nonce\",\"type\":\"uint64\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"remoteDomain\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"sender\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"messageBody\",\"type\":\"bytes\"}],\"name\":\"handleReceiveMessage\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"localMessageTransmitter\",\"outputs\":[{\"internalType\":\"contract IMessageTransmitter\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"localMinter\",\"outputs\":[{\"internalType\":\"contract ITokenMinter\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messageBodyVersion\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pendingOwner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"name\":\"remoteTokenMessengers\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"removeLocalMinter\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"domain\",\"type\":\"uint32\"}],\"name\":\"removeRemoteTokenMessenger\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"originalMessage\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"originalAttestation\",\"type\":\"bytes\"},{\"internalType\":\"bytes32\",\"name\":\"newDestinationCaller\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"newMintRecipient\",\"type\":\"bytes32\"}],\"name\":\"replaceDepositForBurn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"tokenContract\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"rescueERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"rescuer\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newRescuer\",\"type\":\"address\"}],\"name\":\"updateRescuer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"events\":{\"DepositForBurn(uint64,address,uint256,address,bytes32,uint32,bytes32,bytes32)\":{\"params\":{\"amount\":\"deposit amount\",\"burnToken\":\"address of token burnt on source domain\",\"depositor\":\"address where deposit is transferred from\",\"destinationCaller\":\"authorized caller as bytes32 of receiveMessage() on destination domain, if not equal to bytes32(0). If equal to bytes32(0), any address can call receiveMessage().\",\"destinationDomain\":\"destination domain\",\"destinationTokenMessenger\":\"address of TokenMessenger on destination domain as bytes32\",\"mintRecipient\":\"address receiving minted tokens on destination domain as bytes32\",\"nonce\":\"unique nonce reserved by message\"}},\"LocalMinterAdded(address)\":{\"params\":{\"localMinter\":\"address of local minter\"}},\"LocalMinterRemoved(address)\":{\"params\":{\"localMinter\":\"address of local minter\"}},\"MintAndWithdraw(address,uint256,address)\":{\"params\":{\"amount\":\"amount of minted tokens\",\"mintRecipient\":\"recipient address of minted tokens\",\"mintToken\":\"contract address of minted token\"}},\"RemoteTokenMessengerAdded(uint32,bytes32)\":{\"params\":{\"domain\":\"remote domain\",\"tokenMessenger\":\"TokenMessenger on remote domain\"}},\"RemoteTokenMessengerRemoved(uint32,bytes32)\":{\"params\":{\"domain\":\"remote domain\",\"tokenMessenger\":\"TokenMessenger on remote domain\"}}},\"kind\":\"dev\",\"methods\":{\"acceptOwnership()\":{\"details\":\"The new owner accepts the ownership transfer.\"},\"addLocalMinter(address)\":{\"details\":\"Reverts if a minter is already set for the local domain.\",\"params\":{\"newLocalMinter\":\"The address of the minter on the local domain.\"}},\"addRemoteTokenMessenger(uint32,bytes32)\":{\"details\":\"Reverts if there is already a TokenMessenger set for domain.\",\"params\":{\"domain\":\"Domain of remote TokenMessenger.\",\"tokenMessenger\":\"Address of remote TokenMessenger as bytes32.\"}},\"constructor\":{\"params\":{\"_messageBodyVersion\":\"Message body version\",\"_messageTransmitter\":\"Message transmitter address\"}},\"depositForBurn(uint256,uint32,bytes32,address)\":{\"details\":\"reverts if: - given burnToken is not supported - given destinationDomain has no TokenMessenger registered - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance to this contract is less than `amount`. - burn() reverts. For example, if `amount` is 0. - MessageTransmitter returns false or reverts.\",\"params\":{\"amount\":\"amount of tokens to burn\",\"burnToken\":\"address of contract to burn deposited tokens, on local domain\",\"destinationDomain\":\"destination domain\",\"mintRecipient\":\"address of mint recipient on destination domain\"},\"returns\":{\"_nonce\":\"unique nonce reserved by message\"}},\"depositForBurnWithCaller(uint256,uint32,bytes32,address,bytes32)\":{\"details\":\"reverts if: - given destinationCaller is zero address - given burnToken is not supported - given destinationDomain has no TokenMessenger registered - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance to this contract is less than `amount`. - burn() reverts. For example, if `amount` is 0. - MessageTransmitter returns false or reverts.\",\"params\":{\"amount\":\"amount of tokens to burn\",\"burnToken\":\"address of contract to burn deposited tokens, on local domain\",\"destinationCaller\":\"caller on the destination domain, as bytes32\",\"destinationDomain\":\"destination domain\",\"mintRecipient\":\"address of mint recipient on destination domain\"},\"returns\":{\"nonce\":\"unique nonce reserved by message\"}},\"handleReceiveMessage(uint32,bytes32,bytes)\":{\"details\":\"Validates the local sender is the local MessageTransmitter, and the remote sender is a registered remote TokenMessenger for `remoteDomain`.\",\"params\":{\"messageBody\":\"The message body bytes.\",\"remoteDomain\":\"The domain where the message originated from.\",\"sender\":\"The sender of the message (remote TokenMessenger).\"},\"returns\":{\"_0\":\"success Bool, true if successful.\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"pendingOwner()\":{\"details\":\"Returns the address of the pending owner.\"},\"removeLocalMinter()\":{\"details\":\"Reverts if the minter of the local domain is not set.\"},\"removeRemoteTokenMessenger(uint32)\":{\"details\":\"Reverts if there is no TokenMessenger set for `domain`.\",\"params\":{\"domain\":\"Domain of remote TokenMessenger\"}},\"replaceDepositForBurn(bytes,bytes,bytes32,bytes32)\":{\"details\":\"The new message will reuse the original message's nonce. For a given nonce, all replacement message(s) and the original message are valid to broadcast on the destination domain, until the first message at the nonce confirms, at which point all others are invalidated. Note: The msg.sender of the replaced message must be the same as the msg.sender of the original message.\",\"params\":{\"newDestinationCaller\":\"the new destination caller, which may be the same as the original destination caller, a new destination caller, or an empty destination caller (bytes32(0), indicating that any destination caller is valid.)\",\"newMintRecipient\":\"the new mint recipient, which may be the same as the original mint recipient, or different.\",\"originalAttestation\":\"original attestation bytes\",\"originalMessage\":\"original message bytes (to replace)\"}},\"rescueERC20(address,address,uint256)\":{\"params\":{\"amount\":\"Amount to withdraw\",\"to\":\"Recipient address\",\"tokenContract\":\"ERC20 token contract address\"}},\"rescuer()\":{\"returns\":{\"_0\":\"Rescuer's address\"}},\"transferOwnership(address)\":{\"details\":\"Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. Can only be called by the current owner.\"},\"updateRescuer(address)\":{\"params\":{\"newRescuer\":\"New rescuer's address\"}}},\"title\":\"TokenMessenger\",\"version\":1},\"userdoc\":{\"events\":{\"DepositForBurn(uint64,address,uint256,address,bytes32,uint32,bytes32,bytes32)\":{\"notice\":\"Emitted when a DepositForBurn message is sent\"},\"LocalMinterAdded(address)\":{\"notice\":\"Emitted when the local minter is addedEmitted when the local minter is added\"},\"LocalMinterRemoved(address)\":{\"notice\":\"Emitted when the local minter is removedEmitted when the local minter is removed\"},\"MintAndWithdraw(address,uint256,address)\":{\"notice\":\"Emitted when tokens are minted\"},\"RemoteTokenMessengerAdded(uint32,bytes32)\":{\"notice\":\"Emitted when a remote TokenMessenger is added\"},\"RemoteTokenMessengerRemoved(uint32,bytes32)\":{\"notice\":\"Emitted when a remote TokenMessenger is removed\"}},\"kind\":\"user\",\"methods\":{\"addLocalMinter(address)\":{\"notice\":\"Add minter for the local domain.\"},\"addRemoteTokenMessenger(uint32,bytes32)\":{\"notice\":\"Add the TokenMessenger for a remote domain.\"},\"depositForBurn(uint256,uint32,bytes32,address)\":{\"notice\":\"Deposits and burns tokens from sender to be minted on destination domain. Emits a `DepositForBurn` event.\"},\"depositForBurnWithCaller(uint256,uint32,bytes32,address,bytes32)\":{\"notice\":\"Deposits and burns tokens from sender to be minted on destination domain. The mint on the destination domain must be called by `destinationCaller`. WARNING: if the `destinationCaller` does not represent a valid address as bytes32, then it will not be possible to broadcast the message on the destination domain. This is an advanced feature, and the standard depositForBurn() should be preferred for use cases where a specific destination caller is not required. Emits a `DepositForBurn` event.\"},\"handleReceiveMessage(uint32,bytes32,bytes)\":{\"notice\":\"Handles an incoming message received by the local MessageTransmitter, and takes the appropriate action. For a burn message, mints the associated token to the requested recipient on the local domain.\"},\"removeLocalMinter()\":{\"notice\":\"Remove the minter for the local domain.\"},\"removeRemoteTokenMessenger(uint32)\":{\"notice\":\"Remove the TokenMessenger for a remote domain.\"},\"replaceDepositForBurn(bytes,bytes,bytes32,bytes32)\":{\"notice\":\"Replace a BurnMessage to change the mint recipient and/or destination caller. Allows the sender of a previous BurnMessage (created by depositForBurn or depositForBurnWithCaller) to send a new BurnMessage to replace the original. The new BurnMessage will reuse the amount and burn token of the original, without requiring a new deposit.\"},\"rescueERC20(address,address,uint256)\":{\"notice\":\"Rescue ERC20 tokens locked up in this contract.\"},\"rescuer()\":{\"notice\":\"Returns current rescuer\"},\"updateRescuer(address)\":{\"notice\":\"Assign the rescuer role to a given address.\"}},\"notice\":\"Sends messages and receives messages to/from MessageTransmitters and to/from TokenMinters\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/TokenMessenger.sol\":\"TokenMessenger\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":100000},\"remappings\":[\":@memview-sol/=lib/memview-sol/\",\":@openzeppelin/=lib/openzeppelin-contracts/\",\":centre-tokens.git/=lib/centre-tokens.git/\",\":ds-test/=lib/ds-test/src/\",\":forge-std/=lib/forge-std/src/\",\":memview-sol/=lib/memview-sol/contracts/\",\":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/\"]},\"sources\":{\"lib/memview-sol/contracts/SafeMath.sol\":{\"keccak256\":\"0xa1054a453f13c3c817cd2d9fb048d68b20202a6f925d2efe6c887bddf3752837\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0fbe6252658163c22e42725c746a005e3b0e129355579113914c679a26fda50d\",\"dweb:/ipfs/QmZHmS7NjoSZcymwmU4kSfyKAvu2RpuxLowVY5Tj4LY6kr\"]},\"lib/memview-sol/contracts/TypedMemView.sol\":{\"keccak256\":\"0xa59e6e460439df036676d255b089784e6cd1539fbd439dafae33d751fe828ebe\",\"license\":\"MIT OR Apache-2.0\",\"urls\":[\"bzz-raw://b2d5865010f33ac2298a563b8c8fdb6b7da5607b61172b09ed9a51d180b6b823\",\"dweb:/ipfs/QmdzLCZtkXRCbya28LyV9qCcVXU9mFN6SeB6mVyhKiSiTv\"]},\"lib/openzeppelin-contracts/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c\",\"dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR\"]},\"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://24427744bd3e6cb73c17010119af12a318289c0253a4d9acb8576c9fb3797b08\",\"dweb:/ipfs/QmTLDqpKRBuxGxRAmjgXt9AkXyACW3MtKzi7PYjm5iMfGC\"]},\"lib/openzeppelin-contracts/contracts/token/ERC20/SafeERC20.sol\":{\"keccak256\":\"0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b3a849c2d95e85463909e5b5c920b13e7a11216ca14127085e16d22b9379d52a\",\"dweb:/ipfs/QmUg3CZDbCCcQdroEpexBy5ZFd5vD1UWijWQq9qHZjtJNQ\"]},\"lib/openzeppelin-contracts/contracts/utils/Address.sol\":{\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://256c8c8af5eb072bc473226ab2b2187149b8fc04f5f4a4820db22527f5ce8e3c\",\"dweb:/ipfs/QmRvi5BhnL7Rxf85KrJhwM6RRhukm4tzoctRdgQEheNyiN\"]},\"lib/openzeppelin-contracts/contracts/utils/Context.sol\":{\"keccak256\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ded47ec7c96750f9bd04bbbc84f659992d4ba901cb7b532a52cd468272cf378f\",\"dweb:/ipfs/QmfBrGtQP7rZEqEg6Wz6jh2N2Kukpj1z5v3CGWmAqrzm96\"]},\"src/TokenMessenger.sol\":{\"keccak256\":\"0x2750cabd2bdfae392cbfd3941b0b1d2892dc1058a52eb42f6c0f70a374e2ef4f\",\"urls\":[\"bzz-raw://d4a15f828e91362484f13ff21de28fcdb597ec956f8b814c24c5999e019bbae5\",\"dweb:/ipfs/Qmd4XKha6SA8VskBRFrVPLzf3GEz9c8SRSe1V4NHvxXQ1G\"]},\"src/interfaces/IMessageHandler.sol\":{\"keccak256\":\"0x6af84af8715e65646d4442917779d9429035e78d53cfd197c460fd2e18ccf6a7\",\"urls\":[\"bzz-raw://8d01d52be8119f64c2df22a10bb47929937e7cb4af53354ca4dff15e353dfa9a\",\"dweb:/ipfs/QmbFt45Ny4ePgjwZdk3GEoV9ynSM8jfXWNft7p1B7SuTMT\"]},\"src/interfaces/IMessageTransmitter.sol\":{\"keccak256\":\"0x70daea8dee44f753a36243b58b89488a665f09bc30470a2255db8034ebb1254e\",\"urls\":[\"bzz-raw://cff30fdf2b90c8c1c9c84acab9d2c34c42893ea9d4111ac3dfc636f107afbcd8\",\"dweb:/ipfs/QmY5sqNDSNE2E5zSikfW7fJFpJHEWzGrKbJZXEBLvbhD6X\"]},\"src/interfaces/IMintBurnToken.sol\":{\"keccak256\":\"0x9c07c8daa3984d773036c0642d49acda294c2c099b404774d89a7ec930fe1f9c\",\"urls\":[\"bzz-raw://76e2ddc0df9b8c0a8ce9a44c1edcf6b9a19c045b2736d91c7da4df3d9e60d85e\",\"dweb:/ipfs/QmXRLnEMMMjxUSXvLpv9muh3BR2W93t3fjQTbSHg1CFY4J\"]},\"src/interfaces/IReceiver.sol\":{\"keccak256\":\"0xa6a97fd01c17ac415d8b891c613a6b64a5723a24e7a042b47d1f6930f8d6e818\",\"urls\":[\"bzz-raw://ca049c40ca32e1cefe1436357a86746115756de7a069d6d75d6774a2bfe32259\",\"dweb:/ipfs/QmSfBtdr517rLNuaBQjrDfBERyX8DvSLPjcuK7dDLD7AGW\"]},\"src/interfaces/IRelayer.sol\":{\"keccak256\":\"0x1510214de1adac12937c79fa6b25b0973a879219a31b149a7c11c70a8c095b3a\",\"urls\":[\"bzz-raw://6f6af107b32576803feb574d0d4413c567336be9e9499b25918c3492c87d7e2b\",\"dweb:/ipfs/QmUF51siiUMFmRw5zB5S85cEjgpUxesPc52fM5azbqscid\"]},\"src/interfaces/ITokenMinter.sol\":{\"keccak256\":\"0xa037e3f741c01b1fe56b27932cf18e21836027d415f0963257970dbbae3d9262\",\"urls\":[\"bzz-raw://a0766f25344309569654cea7860b11fc68f5b555f8188b53df21d0170f6478be\",\"dweb:/ipfs/QmYL5y9C7LpTLUELD9jSxusQrdjCdj9AiVmv2GN1K1AjEE\"]},\"src/messages/BurnMessage.sol\":{\"keccak256\":\"0xf6d3bab4f9acd78a110a551176cf30d638978db301ffba101a22e65655e1f6a9\",\"urls\":[\"bzz-raw://4ed05fac8cffb5aaf7896131703c17295e91e2153c972f1f441a0af415b3370c\",\"dweb:/ipfs/QmYLujtPBDsVwLpVYCbT3ZGCa5uXajVKqi5SfCKY3mWEet\"]},\"src/messages/Message.sol\":{\"keccak256\":\"0xd2e6ed7b6b91d45656010289be542588b7ea9b240497286cf46f99e271474547\",\"urls\":[\"bzz-raw://c3be6543e3fc071452b0cf196b9813b2340dd96e39bcbe15d7d135bcae700017\",\"dweb:/ipfs/QmW7BnYyYM6AMiYtumWjwkCQ3yrLQZQYwnVG8fPn5aJ22C\"]},\"src/roles/Ownable.sol\":{\"keccak256\":\"0x4b675058095169e2aa938936232e4516b00ae55b6051725cec0d066fa4eb01be\",\"urls\":[\"bzz-raw://125d1b051badf05d6ea4bdf30360e7afb1c858c96b69f970e21d1aee709047fc\",\"dweb:/ipfs/QmWHt7H9Dcc6RMhPHHkZe2VkPSrQV9HJQ1ddCAwC2r84an\"]},\"src/roles/Ownable2Step.sol\":{\"keccak256\":\"0xc3ad0bdd8165c164d47256cdcb7aa26ac06cb1d5eb5e4d5b706e7f0d4bfdc36a\",\"urls\":[\"bzz-raw://583122acee73e04af577ae578d9e9cd162bc94ffa9671e5f76fc73c21ce35328\",\"dweb:/ipfs/QmZ6tG8djdRfHvaLfkVaSmys4WRySvnTDbgiNCW1Mz724U\"]},\"src/roles/Rescuable.sol\":{\"keccak256\":\"0x0535df5d996c5c2b5063b83e8d4e2221468e324fabeb089cb4086d3675479137\",\"urls\":[\"bzz-raw://2aaccc3920ba05a28a1bced825a5fb79e9f7721bd1aba885aed657ca45196b8b\",\"dweb:/ipfs/QmPwYrn9Y2FfhGv7jAexRj5iLZFLUWc8LUupzShymBVUe3\"]}},\"version\":1}",
+  "metadata": {
+    "compiler": {
+      "version": "0.7.6+commit.7338295f"
+    },
+    "language": "Solidity",
+    "output": {
+      "abi": [
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "_messageTransmitter",
+              "type": "address"
+            },
+            {
+              "internalType": "uint32",
+              "name": "_messageBodyVersion",
+              "type": "uint32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "constructor"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint64",
+              "name": "nonce",
+              "type": "uint64",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "burnToken",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256",
+              "indexed": false
+            },
+            {
+              "internalType": "address",
+              "name": "depositor",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "bytes32",
+              "name": "mintRecipient",
+              "type": "bytes32",
+              "indexed": false
+            },
+            {
+              "internalType": "uint32",
+              "name": "destinationDomain",
+              "type": "uint32",
+              "indexed": false
+            },
+            {
+              "internalType": "bytes32",
+              "name": "destinationTokenMessenger",
+              "type": "bytes32",
+              "indexed": false
+            },
+            {
+              "internalType": "bytes32",
+              "name": "destinationCaller",
+              "type": "bytes32",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "DepositForBurn",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "localMinter",
+              "type": "address",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "LocalMinterAdded",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "localMinter",
+              "type": "address",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "LocalMinterRemoved",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "mintRecipient",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256",
+              "indexed": false
+            },
+            {
+              "internalType": "address",
+              "name": "mintToken",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "MintAndWithdraw",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "previousOwner",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "OwnershipTransferStarted",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "previousOwner",
+              "type": "address",
+              "indexed": true
+            },
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "OwnershipTransferred",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "domain",
+              "type": "uint32",
+              "indexed": false
+            },
+            {
+              "internalType": "bytes32",
+              "name": "tokenMessenger",
+              "type": "bytes32",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "RemoteTokenMessengerAdded",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "domain",
+              "type": "uint32",
+              "indexed": false
+            },
+            {
+              "internalType": "bytes32",
+              "name": "tokenMessenger",
+              "type": "bytes32",
+              "indexed": false
+            }
+          ],
+          "type": "event",
+          "name": "RemoteTokenMessengerRemoved",
+          "anonymous": false
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address",
+              "indexed": true
+            }
+          ],
+          "type": "event",
+          "name": "RescuerChanged",
+          "anonymous": false
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "acceptOwnership"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newLocalMinter",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "addLocalMinter"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "domain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "tokenMessenger",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "addRemoteTokenMessenger"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint32",
+              "name": "destinationDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "mintRecipient",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "address",
+              "name": "burnToken",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "depositForBurn",
+          "outputs": [
+            {
+              "internalType": "uint64",
+              "name": "_nonce",
+              "type": "uint64"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256"
+            },
+            {
+              "internalType": "uint32",
+              "name": "destinationDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "mintRecipient",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "address",
+              "name": "burnToken",
+              "type": "address"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "destinationCaller",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "depositForBurnWithCaller",
+          "outputs": [
+            {
+              "internalType": "uint64",
+              "name": "nonce",
+              "type": "uint64"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "remoteDomain",
+              "type": "uint32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "sender",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes",
+              "name": "messageBody",
+              "type": "bytes"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "handleReceiveMessage",
+          "outputs": [
+            {
+              "internalType": "bool",
+              "name": "",
+              "type": "bool"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "localMessageTransmitter",
+          "outputs": [
+            {
+              "internalType": "contract IMessageTransmitter",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "localMinter",
+          "outputs": [
+            {
+              "internalType": "contract ITokenMinter",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "messageBodyVersion",
+          "outputs": [
+            {
+              "internalType": "uint32",
+              "name": "",
+              "type": "uint32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "owner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "pendingOwner",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "",
+              "type": "uint32"
+            }
+          ],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "remoteTokenMessengers",
+          "outputs": [
+            {
+              "internalType": "bytes32",
+              "name": "",
+              "type": "bytes32"
+            }
+          ]
+        },
+        {
+          "inputs": [],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "removeLocalMinter"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "uint32",
+              "name": "domain",
+              "type": "uint32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "removeRemoteTokenMessenger"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "bytes",
+              "name": "originalMessage",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes",
+              "name": "originalAttestation",
+              "type": "bytes"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "newDestinationCaller",
+              "type": "bytes32"
+            },
+            {
+              "internalType": "bytes32",
+              "name": "newMintRecipient",
+              "type": "bytes32"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "replaceDepositForBurn"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "contract IERC20",
+              "name": "tokenContract",
+              "type": "address"
+            },
+            {
+              "internalType": "address",
+              "name": "to",
+              "type": "address"
+            },
+            {
+              "internalType": "uint256",
+              "name": "amount",
+              "type": "uint256"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "rescueERC20"
+        },
+        {
+          "inputs": [],
+          "stateMutability": "view",
+          "type": "function",
+          "name": "rescuer",
+          "outputs": [
+            {
+              "internalType": "address",
+              "name": "",
+              "type": "address"
+            }
+          ]
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newOwner",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "transferOwnership"
+        },
+        {
+          "inputs": [
+            {
+              "internalType": "address",
+              "name": "newRescuer",
+              "type": "address"
+            }
+          ],
+          "stateMutability": "nonpayable",
+          "type": "function",
+          "name": "updateRescuer"
+        }
+      ],
+      "devdoc": {
+        "kind": "dev",
+        "methods": {
+          "acceptOwnership()": {
+            "details": "The new owner accepts the ownership transfer."
+          },
+          "addLocalMinter(address)": {
+            "details": "Reverts if a minter is already set for the local domain.",
+            "params": {
+              "newLocalMinter": "The address of the minter on the local domain."
+            }
+          },
+          "addRemoteTokenMessenger(uint32,bytes32)": {
+            "details": "Reverts if there is already a TokenMessenger set for domain.",
+            "params": {
+              "domain": "Domain of remote TokenMessenger.",
+              "tokenMessenger": "Address of remote TokenMessenger as bytes32."
+            }
+          },
+          "constructor": {
+            "params": {
+              "_messageBodyVersion": "Message body version",
+              "_messageTransmitter": "Message transmitter address"
+            }
+          },
+          "depositForBurn(uint256,uint32,bytes32,address)": {
+            "details": "reverts if: - given burnToken is not supported - given destinationDomain has no TokenMessenger registered - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance to this contract is less than `amount`. - burn() reverts. For example, if `amount` is 0. - MessageTransmitter returns false or reverts.",
+            "params": {
+              "amount": "amount of tokens to burn",
+              "burnToken": "address of contract to burn deposited tokens, on local domain",
+              "destinationDomain": "destination domain",
+              "mintRecipient": "address of mint recipient on destination domain"
+            },
+            "returns": {
+              "_nonce": "unique nonce reserved by message"
+            }
+          },
+          "depositForBurnWithCaller(uint256,uint32,bytes32,address,bytes32)": {
+            "details": "reverts if: - given destinationCaller is zero address - given burnToken is not supported - given destinationDomain has no TokenMessenger registered - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance to this contract is less than `amount`. - burn() reverts. For example, if `amount` is 0. - MessageTransmitter returns false or reverts.",
+            "params": {
+              "amount": "amount of tokens to burn",
+              "burnToken": "address of contract to burn deposited tokens, on local domain",
+              "destinationCaller": "caller on the destination domain, as bytes32",
+              "destinationDomain": "destination domain",
+              "mintRecipient": "address of mint recipient on destination domain"
+            },
+            "returns": {
+              "nonce": "unique nonce reserved by message"
+            }
+          },
+          "handleReceiveMessage(uint32,bytes32,bytes)": {
+            "details": "Validates the local sender is the local MessageTransmitter, and the remote sender is a registered remote TokenMessenger for `remoteDomain`.",
+            "params": {
+              "messageBody": "The message body bytes.",
+              "remoteDomain": "The domain where the message originated from.",
+              "sender": "The sender of the message (remote TokenMessenger)."
+            },
+            "returns": {
+              "_0": "success Bool, true if successful."
+            }
+          },
+          "owner()": {
+            "details": "Returns the address of the current owner."
+          },
+          "pendingOwner()": {
+            "details": "Returns the address of the pending owner."
+          },
+          "removeLocalMinter()": {
+            "details": "Reverts if the minter of the local domain is not set."
+          },
+          "removeRemoteTokenMessenger(uint32)": {
+            "details": "Reverts if there is no TokenMessenger set for `domain`.",
+            "params": {
+              "domain": "Domain of remote TokenMessenger"
+            }
+          },
+          "replaceDepositForBurn(bytes,bytes,bytes32,bytes32)": {
+            "details": "The new message will reuse the original message's nonce. For a given nonce, all replacement message(s) and the original message are valid to broadcast on the destination domain, until the first message at the nonce confirms, at which point all others are invalidated. Note: The msg.sender of the replaced message must be the same as the msg.sender of the original message.",
+            "params": {
+              "newDestinationCaller": "the new destination caller, which may be the same as the original destination caller, a new destination caller, or an empty destination caller (bytes32(0), indicating that any destination caller is valid.)",
+              "newMintRecipient": "the new mint recipient, which may be the same as the original mint recipient, or different.",
+              "originalAttestation": "original attestation bytes",
+              "originalMessage": "original message bytes (to replace)"
+            }
+          },
+          "rescueERC20(address,address,uint256)": {
+            "params": {
+              "amount": "Amount to withdraw",
+              "to": "Recipient address",
+              "tokenContract": "ERC20 token contract address"
+            }
+          },
+          "rescuer()": {
+            "returns": {
+              "_0": "Rescuer's address"
+            }
+          },
+          "transferOwnership(address)": {
+            "details": "Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. Can only be called by the current owner."
+          },
+          "updateRescuer(address)": {
+            "params": {
+              "newRescuer": "New rescuer's address"
+            }
+          }
+        },
+        "version": 1
+      },
+      "userdoc": {
+        "kind": "user",
+        "methods": {
+          "addLocalMinter(address)": {
+            "notice": "Add minter for the local domain."
+          },
+          "addRemoteTokenMessenger(uint32,bytes32)": {
+            "notice": "Add the TokenMessenger for a remote domain."
+          },
+          "depositForBurn(uint256,uint32,bytes32,address)": {
+            "notice": "Deposits and burns tokens from sender to be minted on destination domain. Emits a `DepositForBurn` event."
+          },
+          "depositForBurnWithCaller(uint256,uint32,bytes32,address,bytes32)": {
+            "notice": "Deposits and burns tokens from sender to be minted on destination domain. The mint on the destination domain must be called by `destinationCaller`. WARNING: if the `destinationCaller` does not represent a valid address as bytes32, then it will not be possible to broadcast the message on the destination domain. This is an advanced feature, and the standard depositForBurn() should be preferred for use cases where a specific destination caller is not required. Emits a `DepositForBurn` event."
+          },
+          "handleReceiveMessage(uint32,bytes32,bytes)": {
+            "notice": "Handles an incoming message received by the local MessageTransmitter, and takes the appropriate action. For a burn message, mints the associated token to the requested recipient on the local domain."
+          },
+          "removeLocalMinter()": {
+            "notice": "Remove the minter for the local domain."
+          },
+          "removeRemoteTokenMessenger(uint32)": {
+            "notice": "Remove the TokenMessenger for a remote domain."
+          },
+          "replaceDepositForBurn(bytes,bytes,bytes32,bytes32)": {
+            "notice": "Replace a BurnMessage to change the mint recipient and/or destination caller. Allows the sender of a previous BurnMessage (created by depositForBurn or depositForBurnWithCaller) to send a new BurnMessage to replace the original. The new BurnMessage will reuse the amount and burn token of the original, without requiring a new deposit."
+          },
+          "rescueERC20(address,address,uint256)": {
+            "notice": "Rescue ERC20 tokens locked up in this contract."
+          },
+          "rescuer()": {
+            "notice": "Returns current rescuer"
+          },
+          "updateRescuer(address)": {
+            "notice": "Assign the rescuer role to a given address."
+          }
+        },
+        "version": 1
+      }
+    },
+    "settings": {
+      "remappings": [
+        ":@memview-sol/=lib/memview-sol/",
+        ":@openzeppelin/=lib/openzeppelin-contracts/",
+        ":centre-tokens.git/=lib/centre-tokens.git/",
+        ":ds-test/=lib/ds-test/src/",
+        ":forge-std/=lib/forge-std/src/",
+        ":memview-sol/=lib/memview-sol/contracts/",
+        ":openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/"
+      ],
+      "optimizer": {
+        "enabled": true,
+        "runs": 100000
+      },
+      "metadata": {
+        "bytecodeHash": "ipfs"
+      },
+      "compilationTarget": {
+        "src/TokenMessenger.sol": "TokenMessenger"
+      },
+      "libraries": {}
+    },
+    "sources": {
+      "lib/memview-sol/contracts/SafeMath.sol": {
+        "keccak256": "0xa1054a453f13c3c817cd2d9fb048d68b20202a6f925d2efe6c887bddf3752837",
+        "urls": [
+          "bzz-raw://0fbe6252658163c22e42725c746a005e3b0e129355579113914c679a26fda50d",
+          "dweb:/ipfs/QmZHmS7NjoSZcymwmU4kSfyKAvu2RpuxLowVY5Tj4LY6kr"
+        ],
+        "license": "MIT"
+      },
+      "lib/memview-sol/contracts/TypedMemView.sol": {
+        "keccak256": "0xa59e6e460439df036676d255b089784e6cd1539fbd439dafae33d751fe828ebe",
+        "urls": [
+          "bzz-raw://b2d5865010f33ac2298a563b8c8fdb6b7da5607b61172b09ed9a51d180b6b823",
+          "dweb:/ipfs/QmdzLCZtkXRCbya28LyV9qCcVXU9mFN6SeB6mVyhKiSiTv"
+        ],
+        "license": "MIT OR Apache-2.0"
+      },
+      "lib/openzeppelin-contracts/contracts/math/SafeMath.sol": {
+        "keccak256": "0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52",
+        "urls": [
+          "bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c",
+          "dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
+        "keccak256": "0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5",
+        "urls": [
+          "bzz-raw://24427744bd3e6cb73c17010119af12a318289c0253a4d9acb8576c9fb3797b08",
+          "dweb:/ipfs/QmTLDqpKRBuxGxRAmjgXt9AkXyACW3MtKzi7PYjm5iMfGC"
+        ],
+        "license": "MIT"
+      },
+      "lib/openzeppelin-contracts/contracts/token/ERC20/SafeERC20.sol": {
+        "keccak256": "0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc",
+        "urls": [
+          "bzz-raw://b3a849c2d95e85463909e5b5c920b13e7a11216ca14127085e16d22b9379d52a",
+          "dweb:/ipfs/QmUg3CZDbCCcQdroEpexBy5ZFd5vD1UWijWQq9qHZjtJNQ"
+        ],
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+        "license": "MIT"
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+      "lib/openzeppelin-contracts/contracts/utils/Context.sol": {
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+        "license": "MIT"
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+        ],
+        "license": null
+      },
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+        "license": null
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+        ],
+        "license": null
+      },
+      "src/interfaces/IMintBurnToken.sol": {
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+        "license": null
+      },
+      "src/interfaces/IReceiver.sol": {
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+        "license": null
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+      "src/interfaces/IRelayer.sol": {
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+        ],
+        "license": null
+      },
+      "src/interfaces/ITokenMinter.sol": {
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+          "dweb:/ipfs/QmYL5y9C7LpTLUELD9jSxusQrdjCdj9AiVmv2GN1K1AjEE"
+        ],
+        "license": null
+      },
+      "src/messages/BurnMessage.sol": {
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+        ],
+        "license": null
+      },
+      "src/roles/Ownable.sol": {
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+        "license": null
+      },
+      "src/roles/Ownable2Step.sol": {
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+        "urls": [
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+          "dweb:/ipfs/QmZ6tG8djdRfHvaLfkVaSmys4WRySvnTDbgiNCW1Mz724U"
+        ],
+        "license": null
+      },
+      "src/roles/Rescuable.sol": {
+        "keccak256": "0x0535df5d996c5c2b5063b83e8d4e2221468e324fabeb089cb4086d3675479137",
+        "urls": [
+          "bzz-raw://2aaccc3920ba05a28a1bced825a5fb79e9f7721bd1aba885aed657ca45196b8b",
+          "dweb:/ipfs/QmPwYrn9Y2FfhGv7jAexRj5iLZFLUWc8LUupzShymBVUe3"
+        ],
+        "license": null
+      }
+    },
+    "version": 1
+  },
+  "ast": {
+    "absolutePath": "src/TokenMessenger.sol",
+    "id": 19297,
+    "exportedSymbols": {
+      "BurnMessage": [
+        22108
+      ],
+      "Context": [
+        24291
+      ],
+      "IERC20": [
+        23305
+      ],
+      "IMessageHandler": [
+        21282
+      ],
+      "IMessageTransmitter": [
+        21292
+      ],
+      "IMintBurnToken": [
+        21895
+      ],
+      "IReceiver": [
+        22494
+      ],
+      "IRelayer": [
+        22536
+      ],
+      "ITokenMinter": [
+        21937
+      ],
+      "Message": [
+        19815
+      ],
+      "Ownable": [
+        23617
+      ],
+      "Ownable2Step": [
+        23227
+      ],
+      "Rescuable": [
+        21872
+      ],
+      "SafeERC20": [
+        23518
+      ],
+      "SafeMath": [
+        22480
+      ],
+      "TokenMessenger": [
+        19296
+      ],
+      "TypedMemView": [
+        21266
+      ]
+    },
+    "nodeType": "SourceUnit",
+    "src": "619:22009:16",
+    "nodes": [
+      {
+        "id": 18454,
+        "nodeType": "PragmaDirective",
+        "src": "619:22:16",
+        "nodes": [],
+        "literals": [
+          "solidity",
+          "0.7",
+          ".6"
+        ]
+      },
+      {
+        "id": 18455,
+        "nodeType": "ImportDirective",
+        "src": "643:42:16",
+        "nodes": [],
+        "absolutePath": "src/interfaces/IMessageHandler.sol",
+        "file": "./interfaces/IMessageHandler.sol",
+        "scope": 19297,
+        "sourceUnit": 21283,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18456,
+        "nodeType": "ImportDirective",
+        "src": "686:39:16",
+        "nodes": [],
+        "absolutePath": "src/interfaces/ITokenMinter.sol",
+        "file": "./interfaces/ITokenMinter.sol",
+        "scope": 19297,
+        "sourceUnit": 21938,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18457,
+        "nodeType": "ImportDirective",
+        "src": "726:41:16",
+        "nodes": [],
+        "absolutePath": "src/interfaces/IMintBurnToken.sol",
+        "file": "./interfaces/IMintBurnToken.sol",
+        "scope": 19297,
+        "sourceUnit": 21896,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18458,
+        "nodeType": "ImportDirective",
+        "src": "768:46:16",
+        "nodes": [],
+        "absolutePath": "src/interfaces/IMessageTransmitter.sol",
+        "file": "./interfaces/IMessageTransmitter.sol",
+        "scope": 19297,
+        "sourceUnit": 21293,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18459,
+        "nodeType": "ImportDirective",
+        "src": "815:36:16",
+        "nodes": [],
+        "absolutePath": "src/messages/BurnMessage.sol",
+        "file": "./messages/BurnMessage.sol",
+        "scope": 19297,
+        "sourceUnit": 22109,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18460,
+        "nodeType": "ImportDirective",
+        "src": "852:32:16",
+        "nodes": [],
+        "absolutePath": "src/messages/Message.sol",
+        "file": "./messages/Message.sol",
+        "scope": 19297,
+        "sourceUnit": 19816,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 18461,
+        "nodeType": "ImportDirective",
+        "src": "885:31:16",
+        "nodes": [],
+        "absolutePath": "src/roles/Rescuable.sol",
+        "file": "./roles/Rescuable.sol",
+        "scope": 19297,
+        "sourceUnit": 21873,
+        "symbolAliases": [],
+        "unitAlias": ""
+      },
+      {
+        "id": 19296,
+        "nodeType": "ContractDefinition",
+        "src": "1055:21572:16",
+        "nodes": [
+          {
+            "id": 18485,
+            "nodeType": "EventDefinition",
+            "src": "1896:294:16",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 18467,
+              "nodeType": "StructuredDocumentation",
+              "src": "1155:736:16",
+              "text": " @notice Emitted when a DepositForBurn message is sent\n @param nonce unique nonce reserved by message\n @param burnToken address of token burnt on source domain\n @param amount deposit amount\n @param depositor address where deposit is transferred from\n @param mintRecipient address receiving minted tokens on destination domain as bytes32\n @param destinationDomain destination domain\n @param destinationTokenMessenger address of TokenMessenger on destination domain as bytes32\n @param destinationCaller authorized caller as bytes32 of receiveMessage() on destination domain, if not equal to bytes32(0).\n If equal to bytes32(0), any address can call receiveMessage()."
+            },
+            "name": "DepositForBurn",
+            "parameters": {
+              "id": 18484,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18469,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "1926:20:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 18468,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1926:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18471,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "burnToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "1956:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18470,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1956:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18473,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "1991:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 18472,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "1991:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18475,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "depositor",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "2015:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18474,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2015:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18477,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "2050:21:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18476,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2050:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18479,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "2081:24:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18478,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2081:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18481,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "destinationTokenMessenger",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "2115:33:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18480,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2115:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18483,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "destinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18485,
+                  "src": "2158:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18482,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2158:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "1916:273:16"
+            }
+          },
+          {
+            "id": 18494,
+            "nodeType": "EventDefinition",
+            "src": "2423:126:16",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 18486,
+              "nodeType": "StructuredDocumentation",
+              "src": "2196:222:16",
+              "text": " @notice Emitted when tokens are minted\n @param mintRecipient recipient address of minted tokens\n @param amount amount of minted tokens\n @param mintToken contract address of minted token"
+            },
+            "name": "MintAndWithdraw",
+            "parameters": {
+              "id": 18493,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18488,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18494,
+                  "src": "2454:29:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18487,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2454:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18490,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18494,
+                  "src": "2493:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 18489,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2493:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18492,
+                  "indexed": true,
+                  "mutability": "mutable",
+                  "name": "mintToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18494,
+                  "src": "2517:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18491,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "2517:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "2444:104:16"
+            }
+          },
+          {
+            "id": 18501,
+            "nodeType": "EventDefinition",
+            "src": "2728:71:16",
+            "nodes": [],
+            "anonymous": false,
+            "documentation": {
+              "id": 18495,
+              "nodeType": "StructuredDocumentation",
+              "src": "2555:168:16",
+              "text": " @notice Emitted when a remote TokenMessenger is added\n @param domain remote domain\n @param tokenMessenger TokenMessenger on remote domain"
+            },
+            "name": "RemoteTokenMessengerAdded",
+            "parameters": {
+              "id": 18500,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18497,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "domain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18501,
+                  "src": "2760:13:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
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+                    "typeString": "uint32"
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+                    "name": "uint32",
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+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
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+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18499,
+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "tokenMessenger",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18501,
+                  "src": "2775:22:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
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+            "anonymous": false,
+            "documentation": {
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+              "nodeType": "StructuredDocumentation",
+              "src": "2805:170:16",
+              "text": " @notice Emitted when a remote TokenMessenger is removed\n @param domain remote domain\n @param tokenMessenger TokenMessenger on remote domain"
+            },
+            "name": "RemoteTokenMessengerRemoved",
+            "parameters": {
+              "id": 18507,
+              "nodeType": "ParameterList",
+              "parameters": [
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+                      "typeString": "uint32"
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+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
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+                  "indexed": false,
+                  "mutability": "mutable",
+                  "name": "tokenMessenger",
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+                  "stateVariable": false,
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+                    "typeIdentifier": "t_bytes32",
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+                      "typeString": "bytes32"
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+              "nodeType": "StructuredDocumentation",
+              "src": "3059:169:16",
+              "text": " @notice Emitted when the local minter is added\n @param localMinter address of local minter\n @notice Emitted when the local minter is added"
+            },
+            "name": "LocalMinterAdded",
+            "parameters": {
+              "id": 18512,
+              "nodeType": "ParameterList",
+              "parameters": [
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+              "text": " @notice Emitted when the local minter is removed\n @param localMinter address of local minter\n @notice Emitted when the local minter is removed"
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+            "name": "LocalMinterRemoved",
+            "parameters": {
+              "id": 18517,
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+            "stateVariable": true,
+            "storageLocation": "default",
+            "typeDescriptions": {
+              "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+              "typeString": "contract ITokenMinter"
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+              "name": "ITokenMinter",
+              "nodeType": "UserDefinedTypeName",
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+              "src": "4076:12:16",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                "typeString": "contract ITokenMinter"
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+            "constant": false,
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+            "stateVariable": true,
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+              "typeString": "mapping(uint32 => bytes32)"
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+                "nodeType": "ElementaryTypeName",
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+                              "typeString": "uint32"
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+                          "name": "_isRemoteTokenMessenger",
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+                          "typeString": "literal_string \"Remote TokenMessenger unsupported\""
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+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
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+              ]
+            },
+            "documentation": {
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+              "nodeType": "StructuredDocumentation",
+              "src": "4266:251:16",
+              "text": " @notice Only accept messages from a registered TokenMessenger contract on given remote domain\n @param domain The remote domain\n @param tokenMessenger The address of the TokenMessenger contract for the given remote domain"
+            },
+            "name": "onlyRemoteTokenMessenger",
+            "parameters": {
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+                  "mutability": "mutable",
+                  "name": "tokenMessenger",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18557,
+                  "src": "4571:22:16",
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+                  "typeDescriptions": {
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+                      "typeString": "bytes32"
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+            "visibility": "internal"
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+                          "src": "4998:26:16",
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+                            "typeString": "function () view returns (bool)"
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+                        "tryCall": false,
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+                        "isConstant": false,
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+                        "kind": "string",
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+                        "nodeType": "Literal",
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+                        "typeDescriptions": {
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+                          "typeString": "literal_string \"Invalid message transmitter\""
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+                        "value": "Invalid message transmitter"
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+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_4492d48387c63d6f016252083c234aa7b6a0f2534d2e2d2271de63c826cb6ee7",
+                          "typeString": "literal_string \"Invalid message transmitter\""
+                        }
+                      ],
+                      "id": 18560,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "4990:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18564,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "4990:68:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18565,
+                  "nodeType": "ExpressionStatement",
+                  "src": "4990:68:16"
+                },
+                {
+                  "id": 18566,
+                  "nodeType": "PlaceholderStatement",
+                  "src": "5068:1:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18558,
+              "nodeType": "StructuredDocumentation",
+              "src": "4756:103:16",
+              "text": " @notice Only accept messages from the registered message transmitter on local domain"
+            },
+            "name": "onlyLocalMessageTransmitter",
+            "parameters": {
+              "id": 18559,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "4900:2:16"
+            },
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 18597,
+            "nodeType": "FunctionDefinition",
+            "src": "5260:318:16",
+            "nodes": [],
+            "body": {
+              "id": 18596,
+              "nodeType": "Block",
+              "src": "5329:249:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        "id": 18582,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 18577,
+                          "name": "_messageTransmitter",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18571,
+                          "src": "5360:19:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 18580,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "5391:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 18579,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "5383:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 18578,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "5383:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18581,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "5383:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address_payable",
+                            "typeString": "address payable"
+                          }
+                        },
+                        "src": "5360:33:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4d6573736167655472616e736d6974746572206e6f7420736574",
+                        "id": 18583,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "5407:28:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_5395c6f9d267064ac60bf5fca169e5429fc4e95264955dbd98a50477df8d1328",
+                          "typeString": "literal_string \"MessageTransmitter not set\""
+                        },
+                        "value": "MessageTransmitter not set"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_5395c6f9d267064ac60bf5fca169e5429fc4e95264955dbd98a50477df8d1328",
+                          "typeString": "literal_string \"MessageTransmitter not set\""
+                        }
+                      ],
+                      "id": 18576,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "5339:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18584,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "5339:106:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18585,
+                  "nodeType": "ExpressionStatement",
+                  "src": "5339:106:16"
+                },
+                {
+                  "expression": {
+                    "id": 18590,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18586,
+                      "name": "localMessageTransmitter",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18532,
+                      "src": "5455:23:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                        "typeString": "contract IMessageTransmitter"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "arguments": [
+                        {
+                          "id": 18588,
+                          "name": "_messageTransmitter",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18571,
+                          "src": "5501:19:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        }
+                      ],
+                      "expression": {
+                        "argumentTypes": [
+                          {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        ],
+                        "id": 18587,
+                        "name": "IMessageTransmitter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 21292,
+                        "src": "5481:19:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_IMessageTransmitter_$21292_$",
+                          "typeString": "type(contract IMessageTransmitter)"
+                        }
+                      },
+                      "id": 18589,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "kind": "typeConversion",
+                      "lValueRequested": false,
+                      "names": [],
+                      "nodeType": "FunctionCall",
+                      "src": "5481:40:16",
+                      "tryCall": false,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                        "typeString": "contract IMessageTransmitter"
+                      }
+                    },
+                    "src": "5455:66:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                      "typeString": "contract IMessageTransmitter"
+                    }
+                  },
+                  "id": 18591,
+                  "nodeType": "ExpressionStatement",
+                  "src": "5455:66:16"
+                },
+                {
+                  "expression": {
+                    "id": 18594,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18592,
+                      "name": "messageBodyVersion",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18534,
+                      "src": "5531:18:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "id": 18593,
+                      "name": "_messageBodyVersion",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18573,
+                      "src": "5552:19:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "src": "5531:40:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "id": 18595,
+                  "nodeType": "ExpressionStatement",
+                  "src": "5531:40:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18569,
+              "nodeType": "StructuredDocumentation",
+              "src": "5127:128:16",
+              "text": " @param _messageTransmitter Message transmitter address\n @param _messageBodyVersion Message body version"
+            },
+            "implemented": true,
+            "kind": "constructor",
+            "modifiers": [],
+            "name": "",
+            "parameters": {
+              "id": 18574,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18571,
+                  "mutability": "mutable",
+                  "name": "_messageTransmitter",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18597,
+                  "src": "5272:27:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18570,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5272:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18573,
+                  "mutability": "mutable",
+                  "name": "_messageBodyVersion",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18597,
+                  "src": "5301:26:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18572,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "5301:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "5271:57:16"
+            },
+            "returnParameters": {
+              "id": 18575,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "5329:0:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "public"
+          },
+          {
+            "id": 18623,
+            "nodeType": "FunctionDefinition",
+            "src": "6482:570:16",
+            "nodes": [],
+            "body": {
+              "id": 18622,
+              "nodeType": "Block",
+              "src": "6661:391:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "id": 18612,
+                        "name": "amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18600,
+                        "src": "6723:6:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "id": 18613,
+                        "name": "destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18602,
+                        "src": "6747:17:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18614,
+                        "name": "mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18604,
+                        "src": "6782:13:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18615,
+                        "name": "burnToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18606,
+                        "src": "6813:9:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "arguments": [
+                          {
+                            "hexValue": "30",
+                            "id": 18618,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "kind": "number",
+                            "lValueRequested": false,
+                            "nodeType": "Literal",
+                            "src": "7029:1:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            },
+                            "value": "0"
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            }
+                          ],
+                          "id": 18617,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "7021:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_bytes32_$",
+                            "typeString": "type(bytes32)"
+                          },
+                          "typeName": {
+                            "id": 18616,
+                            "name": "bytes32",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "7021:7:16",
+                            "typeDescriptions": {}
+                          }
+                        },
+                        "id": 18619,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "7021:10:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "id": 18611,
+                      "name": "_depositForBurn",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 19121,
+                      "src": "6690:15:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$_t_uint32_$_t_bytes32_$_t_address_$_t_bytes32_$returns$_t_uint64_$",
+                        "typeString": "function (uint256,uint32,bytes32,address,bytes32) returns (uint64)"
+                      }
+                    },
+                    "id": 18620,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "6690:355:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "functionReturnParameters": 18610,
+                  "id": 18621,
+                  "nodeType": "Return",
+                  "src": "6671:374:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18598,
+              "nodeType": "StructuredDocumentation",
+              "src": "5637:840:16",
+              "text": " @notice Deposits and burns tokens from sender to be minted on destination domain.\n Emits a `DepositForBurn` event.\n @dev reverts if:\n - given burnToken is not supported\n - given destinationDomain has no TokenMessenger registered\n - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance\n to this contract is less than `amount`.\n - burn() reverts. For example, if `amount` is 0.\n - MessageTransmitter returns false or reverts.\n @param amount amount of tokens to burn\n @param destinationDomain destination domain\n @param mintRecipient address of mint recipient on destination domain\n @param burnToken address of contract to burn deposited tokens, on local domain\n @return _nonce unique nonce reserved by message"
+            },
+            "functionSelector": "6fd3504e",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "depositForBurn",
+            "parameters": {
+              "id": 18607,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18600,
+                  "mutability": "mutable",
+                  "name": "amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18623,
+                  "src": "6515:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 18599,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "6515:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18602,
+                  "mutability": "mutable",
+                  "name": "destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18623,
+                  "src": "6539:24:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18601,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "6539:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18604,
+                  "mutability": "mutable",
+                  "name": "mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18623,
+                  "src": "6573:21:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18603,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "6573:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18606,
+                  "mutability": "mutable",
+                  "name": "burnToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18623,
+                  "src": "6604:17:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18605,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "6604:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "6505:122:16"
+            },
+            "returnParameters": {
+              "id": 18610,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18609,
+                  "mutability": "mutable",
+                  "name": "_nonce",
+                  "nodeType": "VariableDeclaration",
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+                  "src": "6646:13:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
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+                    "typeString": "uint64"
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+                    "name": "uint64",
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+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "6645:15:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
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+            "nodeType": "FunctionDefinition",
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+              "nodes": [],
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+                      {
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+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
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+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 18640,
+                          "name": "destinationCaller",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18634,
+                          "src": "8787:17:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
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+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
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+                              "id": 18643,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "8816:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
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+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "8808:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_bytes32_$",
+                              "typeString": "type(bytes32)"
+                            },
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+                              "name": "bytes32",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "8808:7:16",
+                              "typeDescriptions": {}
+                            }
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+                          "nodeType": "FunctionCall",
+                          "src": "8808:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "src": "8787:31:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
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+                        "id": 18646,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "8820:28:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_36f5523dcd35c4fd23ede40b147d4fa86bd383c4d5dd3d248fe959d8750cc10f",
+                          "typeString": "literal_string \"Invalid destination caller\""
+                        },
+                        "value": "Invalid destination caller"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_36f5523dcd35c4fd23ede40b147d4fa86bd383c4d5dd3d248fe959d8750cc10f",
+                          "typeString": "literal_string \"Invalid destination caller\""
+                        }
+                      ],
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+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
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+                        "typeString": "function (bool,string memory) pure"
+                      }
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+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "8779:70:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
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+                  "nodeType": "ExpressionStatement",
+                  "src": "8779:70:16"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "id": 18650,
+                        "name": "amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18626,
+                        "src": "8912:6:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "id": 18651,
+                        "name": "destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18628,
+                        "src": "8936:17:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 18652,
+                        "name": "mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18630,
+                        "src": "8971:13:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18653,
+                        "name": "burnToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18632,
+                        "src": "9002:9:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 18654,
+                        "name": "destinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18634,
+                        "src": "9029:17:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "id": 18649,
+                      "name": "_depositForBurn",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 19121,
+                      "src": "8879:15:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_nonpayable$_t_uint256_$_t_uint32_$_t_bytes32_$_t_address_$_t_bytes32_$returns$_t_uint64_$",
+                        "typeString": "function (uint256,uint32,bytes32,address,bytes32) returns (uint64)"
+                      }
+                    },
+                    "id": 18655,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "8879:181:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "functionReturnParameters": 18638,
+                  "id": 18656,
+                  "nodeType": "Return",
+                  "src": "8860:200:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18624,
+              "nodeType": "StructuredDocumentation",
+              "src": "7058:1381:16",
+              "text": " @notice Deposits and burns tokens from sender to be minted on destination domain. The mint\n on the destination domain must be called by `destinationCaller`.\n WARNING: if the `destinationCaller` does not represent a valid address as bytes32, then it will not be possible\n to broadcast the message on the destination domain. This is an advanced feature, and the standard\n depositForBurn() should be preferred for use cases where a specific destination caller is not required.\n Emits a `DepositForBurn` event.\n @dev reverts if:\n - given destinationCaller is zero address\n - given burnToken is not supported\n - given destinationDomain has no TokenMessenger registered\n - transferFrom() reverts. For example, if sender's burnToken balance or approved allowance\n to this contract is less than `amount`.\n - burn() reverts. For example, if `amount` is 0.\n - MessageTransmitter returns false or reverts.\n @param amount amount of tokens to burn\n @param destinationDomain destination domain\n @param mintRecipient address of mint recipient on destination domain\n @param burnToken address of contract to burn deposited tokens, on local domain\n @param destinationCaller caller on the destination domain, as bytes32\n @return nonce unique nonce reserved by message"
+            },
+            "functionSelector": "f856ddb6",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "depositForBurnWithCaller",
+            "parameters": {
+              "id": 18635,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18626,
+                  "mutability": "mutable",
+                  "name": "amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8487:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 18625,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8487:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18628,
+                  "mutability": "mutable",
+                  "name": "destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8511:24:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 18627,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8511:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18630,
+                  "mutability": "mutable",
+                  "name": "mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8545:21:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18629,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8545:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18632,
+                  "mutability": "mutable",
+                  "name": "burnToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8576:17:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18631,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8576:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18634,
+                  "mutability": "mutable",
+                  "name": "destinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8603:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
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+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8603:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "8477:157:16"
+            },
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+              "nodeType": "ParameterList",
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+                  "id": 18637,
+                  "mutability": "mutable",
+                  "name": "nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18658,
+                  "src": "8653:12:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
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+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
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+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "8653:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
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+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
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+                        "name": "bytes29",
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+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
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+                        "isPure": true,
+                        "kind": "number",
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+                        "name": "originalMessage",
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+                        "src": "10642:15:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
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+                      "memberName": "ref",
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+                      "src": "10642:19:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_uint40_$returns$_t_bytes29_$bound_to$_t_bytes_memory_ptr_$",
+                        "typeString": "function (bytes memory,uint40) pure returns (bytes29)"
+                      }
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+                    "src": "10642:22:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes29",
+                      "typeString": "bytes29"
+                    }
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+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "10619:45:16"
+                },
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+                        "name": "_originalMsg",
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+                        "src": "10674:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
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+                      "memberName": "_validateMessageFormat",
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+                      "src": "10674:35:16",
+                      "typeDescriptions": {
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+                        "typeString": "function (bytes29) pure"
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+                    "tryCall": false,
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+                      "typeString": "tuple()"
+                    }
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+                  "nodeType": "ExpressionStatement",
+                  "src": "10674:37:16"
+                },
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+                      "src": "10721:24:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes29",
+                        "typeString": "bytes29"
+                      },
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+                        "name": "bytes29",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "10721:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
+                        }
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+                      "visibility": "internal"
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+                        "name": "_originalMsg",
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+                        "src": "10748:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
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+                      "lValueRequested": false,
+                      "memberName": "_messageBody",
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+                      "src": "10748:25:16",
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+                        "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_bytes29_$bound_to$_t_bytes29_$",
+                        "typeString": "function (bytes29) pure returns (bytes29)"
+                      }
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+                    "kind": "functionCall",
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+                    "nodeType": "FunctionCall",
+                    "src": "10748:27:16",
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+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 22108,
+                        "src": "11399:11:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_BurnMessage_$22108_$",
+                          "typeString": "type(library BurnMessage)"
+                        }
+                      },
+                      "id": 18735,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "_formatMessage",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 22006,
+                      "src": "11399:26:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_uint32_$_t_bytes32_$_t_bytes32_$_t_uint256_$_t_bytes32_$returns$_t_bytes_memory_ptr_$",
+                        "typeString": "function (uint32,bytes32,bytes32,uint256,bytes32) pure returns (bytes memory)"
+                      }
+                    },
+                    "id": 18741,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "11399:175:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_memory_ptr",
+                      "typeString": "bytes memory"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "11368:206:16"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "id": 18746,
+                        "name": "originalMessage",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18661,
+                        "src": "11637:15:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      },
+                      {
+                        "id": 18747,
+                        "name": "originalAttestation",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18663,
+                        "src": "11666:19:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      },
+                      {
+                        "id": 18748,
+                        "name": "_newMessageBody",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18733,
+                        "src": "11699:15:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      },
+                      {
+                        "id": 18749,
+                        "name": "newDestinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18665,
+                        "src": "11728:20:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "expression": {
+                        "id": 18743,
+                        "name": "localMessageTransmitter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18532,
+                        "src": "11585:23:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                          "typeString": "contract IMessageTransmitter"
+                        }
+                      },
+                      "id": 18745,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "replaceMessage",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 22535,
+                      "src": "11585:38:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_external_nonpayable$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$_t_bytes32_$returns$__$",
+                        "typeString": "function (bytes memory,bytes memory,bytes memory,bytes32) external"
+                      }
+                    },
+                    "id": 18750,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "11585:173:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18751,
+                  "nodeType": "ExpressionStatement",
+                  "src": "11585:173:16"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "arguments": [],
+                        "expression": {
+                          "argumentTypes": [],
+                          "expression": {
+                            "id": 18753,
+                            "name": "_originalMsg",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18671,
+                            "src": "11802:12:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes29",
+                              "typeString": "bytes29"
+                            }
+                          },
+                          "id": 18754,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "_nonce",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19690,
+                          "src": "11802:19:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_uint64_$bound_to$_t_bytes29_$",
+                            "typeString": "function (bytes29) pure returns (uint64)"
+                          }
+                        },
+                        "id": 18755,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "11802:21:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "arguments": [
+                          {
+                            "id": 18758,
+                            "name": "_burnToken",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18721,
+                            "src": "11862:10:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes32",
+                              "typeString": "bytes32"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_bytes32",
+                              "typeString": "bytes32"
+                            }
+                          ],
+                          "expression": {
+                            "id": 18756,
+                            "name": "Message",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 19815,
+                            "src": "11837:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                              "typeString": "type(library Message)"
+                            }
+                          },
+                          "id": 18757,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "bytes32ToAddress",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19791,
+                          "src": "11837:24:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_delegatecall_pure$_t_bytes32_$returns$_t_address_$",
+                            "typeString": "function (bytes32) pure returns (address)"
+                          }
+                        },
+                        "id": 18759,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "11837:36:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 18760,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18727,
+                        "src": "11887:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "expression": {
+                          "id": 18761,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": -15,
+                          "src": "11908:3:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 18762,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "11908:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      },
+                      {
+                        "id": 18763,
+                        "name": "newMintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18667,
+                        "src": "11932:16:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "arguments": [],
+                        "expression": {
+                          "argumentTypes": [],
+                          "expression": {
+                            "id": 18764,
+                            "name": "_originalMsg",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18671,
+                            "src": "11962:12:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes29",
+                              "typeString": "bytes29"
+                            }
+                          },
+                          "id": 18765,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "_destinationDomain",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19673,
+                          "src": "11962:31:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_uint32_$bound_to$_t_bytes29_$",
+                            "typeString": "function (bytes29) pure returns (uint32)"
+                          }
+                        },
+                        "id": 18766,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "11962:33:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "arguments": [],
+                        "expression": {
+                          "argumentTypes": [],
+                          "expression": {
+                            "id": 18767,
+                            "name": "_originalMsg",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18671,
+                            "src": "12009:12:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes29",
+                              "typeString": "bytes29"
+                            }
+                          },
+                          "id": 18768,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "_recipient",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19718,
+                          "src": "12009:23:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_internal_pure$_t_bytes29_$returns$_t_bytes32_$bound_to$_t_bytes29_$",
+                            "typeString": "function (bytes29) pure returns (bytes32)"
+                          }
+                        },
+                        "id": 18769,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "12009:25:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 18770,
+                        "name": "newDestinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18665,
+                        "src": "12048:20:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "id": 18752,
+                      "name": "DepositForBurn",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18485,
+                      "src": "11774:14:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_uint64_$_t_address_$_t_uint256_$_t_address_$_t_bytes32_$_t_uint32_$_t_bytes32_$_t_bytes32_$returns$__$",
+                        "typeString": "function (uint64,address,uint256,address,bytes32,uint32,bytes32,bytes32)"
+                      }
+                    },
+                    "id": 18771,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "11774:304:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18772,
+                  "nodeType": "EmitStatement",
+                  "src": "11769:309:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18659,
+              "nodeType": "StructuredDocumentation",
+              "src": "9073:1329:16",
+              "text": " @notice Replace a BurnMessage to change the mint recipient and/or\n destination caller. Allows the sender of a previous BurnMessage\n (created by depositForBurn or depositForBurnWithCaller)\n to send a new BurnMessage to replace the original.\n The new BurnMessage will reuse the amount and burn token of the original,\n without requiring a new deposit.\n @dev The new message will reuse the original message's nonce. For a\n given nonce, all replacement message(s) and the original message are\n valid to broadcast on the destination domain, until the first message\n at the nonce confirms, at which point all others are invalidated.\n Note: The msg.sender of the replaced message must be the same as the\n msg.sender of the original message.\n @param originalMessage original message bytes (to replace)\n @param originalAttestation original attestation bytes\n @param newDestinationCaller the new destination caller, which may be the\n same as the original destination caller, a new destination caller, or an empty\n destination caller (bytes32(0), indicating that any destination caller is valid.)\n @param newMintRecipient the new mint recipient, which may be the same as the\n original mint recipient, or different."
+            },
+            "functionSelector": "29a78e33",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "replaceDepositForBurn",
+            "parameters": {
+              "id": 18668,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18661,
+                  "mutability": "mutable",
+                  "name": "originalMessage",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18774,
+                  "src": "10447:30:16",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18660,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "10447:5:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18663,
+                  "mutability": "mutable",
+                  "name": "originalAttestation",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18774,
+                  "src": "10487:34:16",
+                  "stateVariable": false,
+                  "storageLocation": "calldata",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_calldata_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 18662,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "10487:5:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18665,
+                  "mutability": "mutable",
+                  "name": "newDestinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18774,
+                  "src": "10531:28:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18664,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "10531:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 18667,
+                  "mutability": "mutable",
+                  "name": "newMintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18774,
+                  "src": "10569:24:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 18666,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "10569:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "10437:162:16"
+            },
+            "returnParameters": {
+              "id": 18669,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "10609:0:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 18854,
+            "nodeType": "FunctionDefinition",
+            "src": "12738:926:16",
+            "nodes": [],
+            "body": {
+              "id": 18853,
+              "nodeType": "Block",
+              "src": "13015:649:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "assignments": [
+                    18794
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 18794,
+                      "mutability": "mutable",
+                      "name": "_msg",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 18853,
+                      "src": "13025:12:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes29",
+                        "typeString": "bytes29"
+                      },
+                      "typeName": {
+                        "id": 18793,
+                        "name": "bytes29",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "13025:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes29",
+                          "typeString": "bytes29"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18799,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "hexValue": "30",
+                        "id": 18797,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "number",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "13056:1:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_rational_0_by_1",
+                          "typeString": "int_const 0"
+                        },
+                        "value": "0"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_rational_0_by_1",
+                          "typeString": "int_const 0"
+                        }
+                      ],
+                      "expression": {
+                        "id": 18795,
+                        "name": "messageBody",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18781,
+                        "src": "13040:11:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_calldata_ptr",
+                          "typeString": "bytes calldata"
+                        }
+                      },
+                      "id": 18796,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "ref",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 20430,
+                      "src": "13040:15:16",
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+              "nodeType": "StructuredDocumentation",
+              "src": "12091:642:16",
+              "text": " @notice Handles an incoming message received by the local MessageTransmitter,\n and takes the appropriate action. For a burn message, mints the\n associated token to the requested recipient on the local domain.\n @dev Validates the local sender is the local MessageTransmitter, and the\n remote sender is a registered remote TokenMessenger for `remoteDomain`.\n @param remoteDomain The domain where the message originated from.\n @param sender The sender of the message (remote TokenMessenger).\n @param messageBody The message body bytes.\n @return success Bool, true if successful."
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+                  "name": "onlyLocalMessageTransmitter",
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+                      "typeString": "bytes"
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+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
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+                          "name": "tokenMessenger",
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+                          "typeString": "bytes32"
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+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
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+                            "name": "remoteTokenMessengers",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18540,
+                            "src": "14162:21:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_mapping$_t_uint32_$_t_bytes32_$",
+                              "typeString": "mapping(uint32 => bytes32)"
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+                          "indexExpression": {
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+                            "name": "domain",
+                            "nodeType": "Identifier",
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+                            "typeDescriptions": {
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+                              "typeString": "uint32"
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+                                "typeString": "int_const 0"
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+                            }
+                          ],
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+                                "typeString": "int_const 0"
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+                              "name": "bytes32",
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+                          "typeDescriptions": {
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+                            "typeString": "bytes32"
+                          }
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+                          "typeString": "literal_string \"TokenMessenger already set\""
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+                      }
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+                        "name": "domain",
+                        "nodeType": "Identifier",
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+                        "typeDescriptions": {
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+                          "typeString": "uint32"
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+                        "name": "tokenMessenger",
+                        "nodeType": "Identifier",
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+                          "typeString": "uint32"
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+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "id": 18892,
+                      "name": "RemoteTokenMessengerAdded",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18501,
+                      "src": "14329:25:16",
+                      "typeDescriptions": {
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+                        "typeString": "function (uint32,bytes32)"
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+            },
+            "documentation": {
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+              "nodeType": "StructuredDocumentation",
+              "src": "13670:271:16",
+              "text": " @notice Add the TokenMessenger for a remote domain.\n @dev Reverts if there is already a TokenMessenger set for domain.\n @param domain Domain of remote TokenMessenger.\n @param tokenMessenger Address of remote TokenMessenger as bytes32."
+            },
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+              }
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+                          "typeIdentifier": "t_bool",
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+                        "name": "domain",
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+                          "typeString": "bytes32"
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+              "nodeType": "StructuredDocumentation",
+              "src": "14391:194:16",
+              "text": " @notice Remove the TokenMessenger for a remote domain.\n @dev Reverts if there is no TokenMessenger set for `domain`.\n @param domain Domain of remote TokenMessenger"
+            },
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+            "implemented": true,
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+                "nodeType": "ModifierInvocation",
+                "src": "14650:9:16"
+              }
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+            "name": "removeRemoteTokenMessenger",
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+              "nodeType": "ParameterList",
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+                  "stateVariable": false,
+                  "storageLocation": "default",
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+                          "name": "newLocalMinter",
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+                          "src": "15339:14:16",
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+                            "typeString": "address"
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+                                "typeString": "int_const 0"
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+                              "typeString": "type(address)"
+                            },
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+                              "name": "address",
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+                          "tryCall": false,
+                          "typeDescriptions": {
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+                            "typeString": "address payable"
+                          }
+                        },
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+                          "typeString": "literal_string \"Zero address not allowed\""
+                        },
+                        "value": "Zero address not allowed"
+                      }
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+                          "typeString": "bool"
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+                          "typeString": "literal_string \"Zero address not allowed\""
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+                      "overloadedDeclarations": [
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+                    "tryCall": false,
+                    "typeDescriptions": {
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+                      "typeString": "tuple()"
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+                  },
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+                  "nodeType": "ExpressionStatement",
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+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
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+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "arguments": [
+                            {
+                              "id": 18956,
+                              "name": "localMinter",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 18536,
+                              "src": "15436:11:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                                "typeString": "contract ITokenMinter"
+                              }
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                                "typeString": "contract ITokenMinter"
+                              }
+                            ],
+                            "id": 18955,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "15428:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 18954,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "15428:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18957,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "15428:20:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "==",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 18960,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "15460:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 18959,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "15452:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 18958,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "15452:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18961,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "15452:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address_payable",
+                            "typeString": "address payable"
+                          }
+                        },
+                        "src": "15428:34:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4c6f63616c206d696e74657220697320616c7265616479207365742e",
+                        "id": 18963,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "15476:30:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_6de007bec898c66e950f5f7f1503e428e9e2e6e9fe4bd17bf29df30ab36f0066",
+                          "typeString": "literal_string \"Local minter is already set.\""
+                        },
+                        "value": "Local minter is already set."
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_6de007bec898c66e950f5f7f1503e428e9e2e6e9fe4bd17bf29df30ab36f0066",
+                          "typeString": "literal_string \"Local minter is already set.\""
+                        }
+                      ],
+                      "id": 18953,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "15407:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18964,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "15407:109:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18965,
+                  "nodeType": "ExpressionStatement",
+                  "src": "15407:109:16"
+                },
+                {
+                  "expression": {
+                    "id": 18970,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "id": 18966,
+                      "name": "localMinter",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18536,
+                      "src": "15527:11:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                        "typeString": "contract ITokenMinter"
+                      }
+                    },
+                    "nodeType": "Assignment",
+                    "operator": "=",
+                    "rightHandSide": {
+                      "arguments": [
+                        {
+                          "id": 18968,
+                          "name": "newLocalMinter",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18938,
+                          "src": "15554:14:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        }
+                      ],
+                      "expression": {
+                        "argumentTypes": [
+                          {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        ],
+                        "id": 18967,
+                        "name": "ITokenMinter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 21937,
+                        "src": "15541:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_ITokenMinter_$21937_$",
+                          "typeString": "type(contract ITokenMinter)"
+                        }
+                      },
+                      "id": 18969,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "kind": "typeConversion",
+                      "lValueRequested": false,
+                      "names": [],
+                      "nodeType": "FunctionCall",
+                      "src": "15541:28:16",
+                      "tryCall": false,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                        "typeString": "contract ITokenMinter"
+                      }
+                    },
+                    "src": "15527:42:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                      "typeString": "contract ITokenMinter"
+                    }
+                  },
+                  "id": 18971,
+                  "nodeType": "ExpressionStatement",
+                  "src": "15527:42:16"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 18973,
+                        "name": "newLocalMinter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18938,
+                        "src": "15602:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      ],
+                      "id": 18972,
+                      "name": "LocalMinterAdded",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18513,
+                      "src": "15585:16:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$",
+                        "typeString": "function (address)"
+                      }
+                    },
+                    "id": 18974,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "15585:32:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18975,
+                  "nodeType": "EmitStatement",
+                  "src": "15580:37:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18936,
+              "nodeType": "StructuredDocumentation",
+              "src": "15045:204:16",
+              "text": " @notice Add minter for the local domain.\n @dev Reverts if a minter is already set for the local domain.\n @param newLocalMinter The address of the minter on the local domain."
+            },
+            "functionSelector": "8197beb9",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [
+              {
+                "id": 18941,
+                "modifierName": {
+                  "id": 18940,
+                  "name": "onlyOwner",
+                  "nodeType": "Identifier",
+                  "overloadedDeclarations": [],
+                  "referencedDeclaration": 23550,
+                  "src": "15311:9:16",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
+                  }
+                },
+                "nodeType": "ModifierInvocation",
+                "src": "15311:9:16"
+              }
+            ],
+            "name": "addLocalMinter",
+            "parameters": {
+              "id": 18939,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 18938,
+                  "mutability": "mutable",
+                  "name": "newLocalMinter",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 18977,
+                  "src": "15278:22:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 18937,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "15278:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "15277:24:16"
+            },
+            "returnParameters": {
+              "id": 18942,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "15321:0:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "external"
+          },
+          {
+            "id": 19008,
+            "nodeType": "FunctionDefinition",
+            "src": "15767:277:16",
+            "nodes": [],
+            "body": {
+              "id": 19007,
+              "nodeType": "Block",
+              "src": "15815:229:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "assignments": [
+                    18984
+                  ],
+                  "declarations": [
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+                      "constant": false,
+                      "id": 18984,
+                      "mutability": "mutable",
+                      "name": "_localMinterAddress",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19007,
+                      "src": "15825:27:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      },
+                      "typeName": {
+                        "id": 18983,
+                        "name": "address",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "15825:7:16",
+                        "stateMutability": "nonpayable",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 18989,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 18987,
+                        "name": "localMinter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18536,
+                        "src": "15863:11:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                          "typeString": "contract ITokenMinter"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                          "typeString": "contract ITokenMinter"
+                        }
+                      ],
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+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": true,
+                      "lValueRequested": false,
+                      "nodeType": "ElementaryTypeNameExpression",
+                      "src": "15855:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_type$_t_address_$",
+                        "typeString": "type(address)"
+                      },
+                      "typeName": {
+                        "id": 18985,
+                        "name": "address",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "15855:7:16",
+                        "typeDescriptions": {}
+                      }
+                    },
+                    "id": 18988,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "typeConversion",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "15855:20:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "15825:50:16"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        "id": 18996,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 18991,
+                          "name": "_localMinterAddress",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18984,
+                          "src": "15893:19:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 18994,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "15924:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 18993,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "15916:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 18992,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "15916:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 18995,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "15916:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address_payable",
+                            "typeString": "address payable"
+                          }
+                        },
+                        "src": "15893:33:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4e6f206c6f63616c206d696e746572206973207365742e",
+                        "id": 18997,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "15928:25:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_ea8bf4fb9811da2ac5404491fe8aab63c760e746f7c90e7ab8c42d96659ed48b",
+                          "typeString": "literal_string \"No local minter is set.\""
+                        },
+                        "value": "No local minter is set."
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_ea8bf4fb9811da2ac5404491fe8aab63c760e746f7c90e7ab8c42d96659ed48b",
+                          "typeString": "literal_string \"No local minter is set.\""
+                        }
+                      ],
+                      "id": 18990,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "15885:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 18998,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "15885:69:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 18999,
+                  "nodeType": "ExpressionStatement",
+                  "src": "15885:69:16"
+                },
+                {
+                  "expression": {
+                    "id": 19001,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "nodeType": "UnaryOperation",
+                    "operator": "delete",
+                    "prefix": true,
+                    "src": "15965:18:16",
+                    "subExpression": {
+                      "id": 19000,
+                      "name": "localMinter",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18536,
+                      "src": "15972:11:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                        "typeString": "contract ITokenMinter"
+                      }
+                    },
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19002,
+                  "nodeType": "ExpressionStatement",
+                  "src": "15965:18:16"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 19004,
+                        "name": "_localMinterAddress",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18984,
+                        "src": "16017:19:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      ],
+                      "id": 19003,
+                      "name": "LocalMinterRemoved",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18518,
+                      "src": "15998:18:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$",
+                        "typeString": "function (address)"
+                      }
+                    },
+                    "id": 19005,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "15998:39:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19006,
+                  "nodeType": "EmitStatement",
+                  "src": "15993:44:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 18978,
+              "nodeType": "StructuredDocumentation",
+              "src": "15630:132:16",
+              "text": " @notice Remove the minter for the local domain.\n @dev Reverts if the minter of the local domain is not set."
+            },
+            "functionSelector": "91f17888",
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [
+              {
+                "id": 18981,
+                "modifierName": {
+                  "id": 18980,
+                  "name": "onlyOwner",
+                  "nodeType": "Identifier",
+                  "overloadedDeclarations": [],
+                  "referencedDeclaration": 23550,
+                  "src": "15805:9:16",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_modifier$__$",
+                    "typeString": "modifier ()"
+                  }
+                },
+                "nodeType": "ModifierInvocation",
+                "src": "15805:9:16"
+              }
+            ],
+            "name": "removeLocalMinter",
+            "parameters": {
+              "id": 18979,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "15793:2:16"
+            },
+            "returnParameters": {
+              "id": 18982,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "15815:0:16"
+            },
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+                  "nodeType": "ExpressionStatement",
+                  "src": "17260:205:16"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "id": 19075,
+                        "name": "_burnToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19017,
+                        "src": "17493:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 19076,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19011,
+                        "src": "17505:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      ],
+                      "expression": {
+                        "id": 19072,
+                        "name": "_localMinter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19048,
+                        "src": "17475:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                          "typeString": "contract ITokenMinter"
+                        }
+                      },
+                      "id": 19074,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "burn",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 21920,
+                      "src": "17475:17:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$",
+                        "typeString": "function (address,uint256) external"
+                      }
+                    },
+                    "id": 19077,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "17475:38:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19078,
+                  "nodeType": "ExpressionStatement",
+                  "src": "17475:38:16"
+                },
+                {
+                  "assignments": [
+                    19080
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 19080,
+                      "mutability": "mutable",
+                      "name": "_burnMessage",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19120,
+                      "src": "17555:25:16",
+                      "stateVariable": false,
+                      "storageLocation": "memory",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes_memory_ptr",
+                        "typeString": "bytes"
+                      },
+                      "typeName": {
+                        "id": 19079,
+                        "name": "bytes",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "17555:5:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_storage_ptr",
+                          "typeString": "bytes"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 19096,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 19083,
+                        "name": "messageBodyVersion",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 18534,
+                        "src": "17623:18:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "arguments": [
+                          {
+                            "id": 19086,
+                            "name": "_burnToken",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 19017,
+                            "src": "17680:10:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_address",
+                              "typeString": "address"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_address",
+                              "typeString": "address"
+                            }
+                          ],
+                          "expression": {
+                            "id": 19084,
+                            "name": "Message",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 19815,
+                            "src": "17655:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                              "typeString": "type(library Message)"
+                            }
+                          },
+                          "id": 19085,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "addressToBytes32",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19771,
+                          "src": "17655:24:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_delegatecall_pure$_t_address_$returns$_t_bytes32_$",
+                            "typeString": "function (address) pure returns (bytes32)"
+                          }
+                        },
+                        "id": 19087,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "17655:36:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19088,
+                        "name": "_mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19015,
+                        "src": "17705:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19089,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19011,
+                        "src": "17733:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "arguments": [
+                          {
+                            "expression": {
+                              "id": 19092,
+                              "name": "msg",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": -15,
+                              "src": "17779:3:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_magic_message",
+                                "typeString": "msg"
+                              }
+                            },
+                            "id": 19093,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": false,
+                            "lValueRequested": false,
+                            "memberName": "sender",
+                            "nodeType": "MemberAccess",
+                            "src": "17779:10:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_address_payable",
+                              "typeString": "address payable"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_address_payable",
+                              "typeString": "address payable"
+                            }
+                          ],
+                          "expression": {
+                            "id": 19090,
+                            "name": "Message",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 19815,
+                            "src": "17754:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_contract$_Message_$19815_$",
+                              "typeString": "type(library Message)"
+                            }
+                          },
+                          "id": 19091,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "lValueRequested": false,
+                          "memberName": "addressToBytes32",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": 19771,
+                          "src": "17754:24:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_function_delegatecall_pure$_t_address_$returns$_t_bytes32_$",
+                            "typeString": "function (address) pure returns (bytes32)"
+                          }
+                        },
+                        "id": 19094,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "functionCall",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "17754:36:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "expression": {
+                        "id": 19081,
+                        "name": "BurnMessage",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 22108,
+                        "src": "17583:11:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_contract$_BurnMessage_$22108_$",
+                          "typeString": "type(library BurnMessage)"
+                        }
+                      },
+                      "id": 19082,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "_formatMessage",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 22006,
+                      "src": "17583:26:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_pure$_t_uint32_$_t_bytes32_$_t_bytes32_$_t_uint256_$_t_bytes32_$returns$_t_bytes_memory_ptr_$",
+                        "typeString": "function (uint32,bytes32,bytes32,uint256,bytes32) pure returns (bytes memory)"
+                      }
+                    },
+                    "id": 19095,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "17583:217:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_memory_ptr",
+                      "typeString": "bytes memory"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "17555:245:16"
+                },
+                {
+                  "assignments": [
+                    19098
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 19098,
+                      "mutability": "mutable",
+                      "name": "_nonceReserved",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19120,
+                      "src": "17811:21:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint64",
+                        "typeString": "uint64"
+                      },
+                      "typeName": {
+                        "id": 19097,
+                        "name": "uint64",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "17811:6:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 19105,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 19100,
+                        "name": "_destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19013,
+                        "src": "17875:18:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 19101,
+                        "name": "_destinationTokenMessenger",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19042,
+                        "src": "17907:26:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19102,
+                        "name": "_destinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19019,
+                        "src": "17947:18:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19103,
+                        "name": "_burnMessage",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19080,
+                        "src": "17979:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
+                        }
+                      ],
+                      "id": 19099,
+                      "name": "_sendDepositForBurnMessage",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 19160,
+                      "src": "17835:26:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_internal_nonpayable$_t_uint32_$_t_bytes32_$_t_bytes32_$_t_bytes_memory_ptr_$returns$_t_uint64_$",
+                        "typeString": "function (uint32,bytes32,bytes32,bytes memory) returns (uint64)"
+                      }
+                    },
+                    "id": 19104,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "17835:166:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "17811:190:16"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 19107,
+                        "name": "_nonceReserved",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19098,
+                        "src": "18045:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        }
+                      },
+                      {
+                        "id": 19108,
+                        "name": "_burnToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19017,
+                        "src": "18073:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 19109,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19011,
+                        "src": "18097:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "expression": {
+                          "id": 19110,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": -15,
+                          "src": "18118:3:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 19111,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "18118:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      },
+                      {
+                        "id": 19112,
+                        "name": "_mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19015,
+                        "src": "18142:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19113,
+                        "name": "_destinationDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19013,
+                        "src": "18170:18:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 19114,
+                        "name": "_destinationTokenMessenger",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19042,
+                        "src": "18202:26:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19115,
+                        "name": "_destinationCaller",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19019,
+                        "src": "18242:18:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint64",
+                          "typeString": "uint64"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      ],
+                      "id": 19106,
+                      "name": "DepositForBurn",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18485,
+                      "src": "18017:14:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_uint64_$_t_address_$_t_uint256_$_t_address_$_t_bytes32_$_t_uint32_$_t_bytes32_$_t_bytes32_$returns$__$",
+                        "typeString": "function (uint64,address,uint256,address,bytes32,uint32,bytes32,bytes32)"
+                      }
+                    },
+                    "id": 19116,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "18017:253:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19117,
+                  "nodeType": "EmitStatement",
+                  "src": "18012:258:16"
+                },
+                {
+                  "expression": {
+                    "id": 19118,
+                    "name": "_nonceReserved",
+                    "nodeType": "Identifier",
+                    "overloadedDeclarations": [],
+                    "referencedDeclaration": 19098,
+                    "src": "18288:14:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "functionReturnParameters": 19023,
+                  "id": 19119,
+                  "nodeType": "Return",
+                  "src": "18281:21:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19009,
+              "nodeType": "StructuredDocumentation",
+              "src": "16098:553:16",
+              "text": " @notice Deposits and burns tokens from sender to be minted on destination domain.\n Emits a `DepositForBurn` event.\n @param _amount amount of tokens to burn (must be non-zero)\n @param _destinationDomain destination domain\n @param _mintRecipient address of mint recipient on destination domain\n @param _burnToken address of contract to burn deposited tokens, on local domain\n @param _destinationCaller caller on the destination domain, as bytes32\n @return nonce unique nonce reserved by message"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_depositForBurn",
+            "parameters": {
+              "id": 19020,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19011,
+                  "mutability": "mutable",
+                  "name": "_amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16690:15:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 19010,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16690:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19013,
+                  "mutability": "mutable",
+                  "name": "_destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16715:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 19012,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16715:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19015,
+                  "mutability": "mutable",
+                  "name": "_mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16750:22:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19014,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16750:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19017,
+                  "mutability": "mutable",
+                  "name": "_burnToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16782:18:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 19016,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16782:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19019,
+                  "mutability": "mutable",
+                  "name": "_destinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16810:26:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19018,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16810:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "16680:162:16"
+            },
+            "returnParameters": {
+              "id": 19023,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19022,
+                  "mutability": "mutable",
+                  "name": "nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19121,
+                  "src": "16861:12:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 19021,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "16861:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "16860:14:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19160,
+            "nodeType": "FunctionDefinition",
+            "src": "19041:780:16",
+            "nodes": [],
+            "body": {
+              "id": 19159,
+              "nodeType": "Block",
+              "src": "19265:556:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "condition": {
+                    "commonType": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    },
+                    "id": 19140,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftExpression": {
+                      "id": 19135,
+                      "name": "_destinationCaller",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 19128,
+                      "src": "19279:18:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      }
+                    },
+                    "nodeType": "BinaryOperation",
+                    "operator": "==",
+                    "rightExpression": {
+                      "arguments": [
+                        {
+                          "hexValue": "30",
+                          "id": 19138,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "number",
+                          "lValueRequested": false,
+                          "nodeType": "Literal",
+                          "src": "19309:1:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_rational_0_by_1",
+                            "typeString": "int_const 0"
+                          },
+                          "value": "0"
+                        }
+                      ],
+                      "expression": {
+                        "argumentTypes": [
+                          {
+                            "typeIdentifier": "t_rational_0_by_1",
+                            "typeString": "int_const 0"
+                          }
+                        ],
+                        "id": 19137,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "lValueRequested": false,
+                        "nodeType": "ElementaryTypeNameExpression",
+                        "src": "19301:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_type$_t_bytes32_$",
+                          "typeString": "type(bytes32)"
+                        },
+                        "typeName": {
+                          "id": 19136,
+                          "name": "bytes32",
+                          "nodeType": "ElementaryTypeName",
+                          "src": "19301:7:16",
+                          "typeDescriptions": {}
+                        }
+                      },
+                      "id": 19139,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": true,
+                      "kind": "typeConversion",
+                      "lValueRequested": false,
+                      "names": [],
+                      "nodeType": "FunctionCall",
+                      "src": "19301:10:16",
+                      "tryCall": false,
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      }
+                    },
+                    "src": "19279:32:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "falseBody": {
+                    "id": 19157,
+                    "nodeType": "Block",
+                    "src": "19542:273:16",
+                    "statements": [
+                      {
+                        "expression": {
+                          "arguments": [
+                            {
+                              "id": 19151,
+                              "name": "_destinationDomain",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19124,
+                              "src": "19646:18:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_uint32",
+                                "typeString": "uint32"
+                              }
+                            },
+                            {
+                              "id": 19152,
+                              "name": "_destinationTokenMessenger",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19126,
+                              "src": "19686:26:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              }
+                            },
+                            {
+                              "id": 19153,
+                              "name": "_destinationCaller",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19128,
+                              "src": "19734:18:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              }
+                            },
+                            {
+                              "id": 19154,
+                              "name": "_burnMessage",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19130,
+                              "src": "19774:12:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_bytes_memory_ptr",
+                                "typeString": "bytes memory"
+                              }
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_uint32",
+                                "typeString": "uint32"
+                              },
+                              {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              },
+                              {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              },
+                              {
+                                "typeIdentifier": "t_bytes_memory_ptr",
+                                "typeString": "bytes memory"
+                              }
+                            ],
+                            "expression": {
+                              "id": 19149,
+                              "name": "localMessageTransmitter",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 18532,
+                              "src": "19579:23:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                                "typeString": "contract IMessageTransmitter"
+                              }
+                            },
+                            "id": 19150,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": false,
+                            "lValueRequested": false,
+                            "memberName": "sendMessageWithCaller",
+                            "nodeType": "MemberAccess",
+                            "referencedDeclaration": 22523,
+                            "src": "19579:45:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_function_external_nonpayable$_t_uint32_$_t_bytes32_$_t_bytes32_$_t_bytes_memory_ptr_$returns$_t_uint64_$",
+                              "typeString": "function (uint32,bytes32,bytes32,bytes memory) external returns (uint64)"
+                            }
+                          },
+                          "id": 19155,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "kind": "functionCall",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "19579:225:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint64",
+                            "typeString": "uint64"
+                          }
+                        },
+                        "functionReturnParameters": 19134,
+                        "id": 19156,
+                        "nodeType": "Return",
+                        "src": "19556:248:16"
+                      }
+                    ]
+                  },
+                  "id": 19158,
+                  "nodeType": "IfStatement",
+                  "src": "19275:540:16",
+                  "trueBody": {
+                    "id": 19148,
+                    "nodeType": "Block",
+                    "src": "19313:223:16",
+                    "statements": [
+                      {
+                        "expression": {
+                          "arguments": [
+                            {
+                              "id": 19143,
+                              "name": "_destinationDomain",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19124,
+                              "src": "19407:18:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_uint32",
+                                "typeString": "uint32"
+                              }
+                            },
+                            {
+                              "id": 19144,
+                              "name": "_destinationTokenMessenger",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19126,
+                              "src": "19447:26:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              }
+                            },
+                            {
+                              "id": 19145,
+                              "name": "_burnMessage",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 19130,
+                              "src": "19495:12:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_bytes_memory_ptr",
+                                "typeString": "bytes memory"
+                              }
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_uint32",
+                                "typeString": "uint32"
+                              },
+                              {
+                                "typeIdentifier": "t_bytes32",
+                                "typeString": "bytes32"
+                              },
+                              {
+                                "typeIdentifier": "t_bytes_memory_ptr",
+                                "typeString": "bytes memory"
+                              }
+                            ],
+                            "expression": {
+                              "id": 19141,
+                              "name": "localMessageTransmitter",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 18532,
+                              "src": "19350:23:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                                "typeString": "contract IMessageTransmitter"
+                              }
+                            },
+                            "id": 19142,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": false,
+                            "lValueRequested": false,
+                            "memberName": "sendMessage",
+                            "nodeType": "MemberAccess",
+                            "referencedDeclaration": 22509,
+                            "src": "19350:35:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_function_external_nonpayable$_t_uint32_$_t_bytes32_$_t_bytes_memory_ptr_$returns$_t_uint64_$",
+                              "typeString": "function (uint32,bytes32,bytes memory) external returns (uint64)"
+                            }
+                          },
+                          "id": 19146,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "kind": "functionCall",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "19350:175:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint64",
+                            "typeString": "uint64"
+                          }
+                        },
+                        "functionReturnParameters": 19134,
+                        "id": 19147,
+                        "nodeType": "Return",
+                        "src": "19327:198:16"
+                      }
+                    ]
+                  }
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19122,
+              "nodeType": "StructuredDocumentation",
+              "src": "18315:721:16",
+              "text": " @notice Sends a BurnMessage through the local message transmitter\n @dev calls local message transmitter's sendMessage() function if `_destinationCaller` == bytes32(0),\n or else calls sendMessageWithCaller().\n @param _destinationDomain destination domain\n @param _destinationTokenMessenger address of registered TokenMessenger contract on destination domain, as bytes32\n @param _destinationCaller caller on the destination domain, as bytes32. If `_destinationCaller` == bytes32(0),\n any address can call receiveMessage() on destination domain.\n @param _burnMessage formatted BurnMessage bytes (message body)\n @return nonce unique nonce reserved by message"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_sendDepositForBurnMessage",
+            "parameters": {
+              "id": 19131,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19124,
+                  "mutability": "mutable",
+                  "name": "_destinationDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19160,
+                  "src": "19086:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 19123,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "19086:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19126,
+                  "mutability": "mutable",
+                  "name": "_destinationTokenMessenger",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19160,
+                  "src": "19121:34:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19125,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "19121:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19128,
+                  "mutability": "mutable",
+                  "name": "_destinationCaller",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19160,
+                  "src": "19165:26:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19127,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "19165:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19130,
+                  "mutability": "mutable",
+                  "name": "_burnMessage",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19160,
+                  "src": "19201:25:16",
+                  "stateVariable": false,
+                  "storageLocation": "memory",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes_memory_ptr",
+                    "typeString": "bytes"
+                  },
+                  "typeName": {
+                    "id": 19129,
+                    "name": "bytes",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "19201:5:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes_storage_ptr",
+                      "typeString": "bytes"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "19076:156:16"
+            },
+            "returnParameters": {
+              "id": 19134,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19133,
+                  "mutability": "mutable",
+                  "name": "nonce",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19160,
+                  "src": "19251:12:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint64",
+                    "typeString": "uint64"
+                  },
+                  "typeName": {
+                    "id": 19132,
+                    "name": "uint64",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "19251:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint64",
+                      "typeString": "uint64"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "19250:14:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19197,
+            "nodeType": "FunctionDefinition",
+            "src": "20174:473:16",
+            "nodes": [],
+            "body": {
+              "id": 19196,
+              "nodeType": "Block",
+              "src": "20360:287:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "assignments": [
+                    19175
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 19175,
+                      "mutability": "mutable",
+                      "name": "_minter",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19196,
+                      "src": "20370:20:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                        "typeString": "contract ITokenMinter"
+                      },
+                      "typeName": {
+                        "id": 19174,
+                        "name": "ITokenMinter",
+                        "nodeType": "UserDefinedTypeName",
+                        "referencedDeclaration": 21937,
+                        "src": "20370:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                          "typeString": "contract ITokenMinter"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 19179,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 19177,
+                        "name": "_tokenMinter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19163,
+                        "src": "20406:12:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      ],
+                      "id": 19176,
+                      "name": "ITokenMinter",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 21937,
+                      "src": "20393:12:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_type$_t_contract$_ITokenMinter_$21937_$",
+                        "typeString": "type(contract ITokenMinter)"
+                      }
+                    },
+                    "id": 19178,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "typeConversion",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "20393:26:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                      "typeString": "contract ITokenMinter"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "20370:49:16"
+                },
+                {
+                  "assignments": [
+                    19181
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 19181,
+                      "mutability": "mutable",
+                      "name": "_mintToken",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19196,
+                      "src": "20429:18:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      },
+                      "typeName": {
+                        "id": 19180,
+                        "name": "address",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "20429:7:16",
+                        "stateMutability": "nonpayable",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 19189,
+                  "initialValue": {
+                    "arguments": [
+                      {
+                        "id": 19184,
+                        "name": "_remoteDomain",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19165,
+                        "src": "20476:13:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        }
+                      },
+                      {
+                        "id": 19185,
+                        "name": "_burnToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19167,
+                        "src": "20503:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      {
+                        "id": 19186,
+                        "name": "_mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19169,
+                        "src": "20527:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 19187,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19171,
+                        "src": "20555:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint32",
+                          "typeString": "uint32"
+                        },
+                        {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      ],
+                      "expression": {
+                        "id": 19182,
+                        "name": "_minter",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19175,
+                        "src": "20450:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                          "typeString": "contract ITokenMinter"
+                        }
+                      },
+                      "id": 19183,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "mint",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": 21912,
+                      "src": "20450:12:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_external_nonpayable$_t_uint32_$_t_bytes32_$_t_address_$_t_uint256_$returns$_t_address_$",
+                        "typeString": "function (uint32,bytes32,address,uint256) external returns (address)"
+                      }
+                    },
+                    "id": 19188,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "20450:122:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "20429:143:16"
+                },
+                {
+                  "eventCall": {
+                    "arguments": [
+                      {
+                        "id": 19191,
+                        "name": "_mintRecipient",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19169,
+                        "src": "20604:14:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      {
+                        "id": 19192,
+                        "name": "_amount",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19171,
+                        "src": "20620:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "id": 19193,
+                        "name": "_mintToken",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19181,
+                        "src": "20629:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      ],
+                      "id": 19190,
+                      "name": "MintAndWithdraw",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18494,
+                      "src": "20588:15:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_address_$returns$__$",
+                        "typeString": "function (address,uint256,address)"
+                      }
+                    },
+                    "id": 19194,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "20588:52:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19195,
+                  "nodeType": "EmitStatement",
+                  "src": "20583:57:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19161,
+              "nodeType": "StructuredDocumentation",
+              "src": "19827:342:16",
+              "text": " @notice Mints tokens to a recipient\n @param _tokenMinter address of TokenMinter contract\n @param _remoteDomain domain where burned tokens originate from\n @param _burnToken address of token burned\n @param _mintRecipient recipient address of minted tokens\n @param _amount amount of minted tokens"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_mintAndWithdraw",
+            "parameters": {
+              "id": 19172,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19163,
+                  "mutability": "mutable",
+                  "name": "_tokenMinter",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19197,
+                  "src": "20209:20:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 19162,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20209:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19165,
+                  "mutability": "mutable",
+                  "name": "_remoteDomain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19197,
+                  "src": "20239:20:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 19164,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20239:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19167,
+                  "mutability": "mutable",
+                  "name": "_burnToken",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19197,
+                  "src": "20269:18:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19166,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20269:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19169,
+                  "mutability": "mutable",
+                  "name": "_mintRecipient",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19197,
+                  "src": "20297:22:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_address",
+                    "typeString": "address"
+                  },
+                  "typeName": {
+                    "id": 19168,
+                    "name": "address",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20297:7:16",
+                    "stateMutability": "nonpayable",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19171,
+                  "mutability": "mutable",
+                  "name": "_amount",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19197,
+                  "src": "20329:15:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
+                  "typeName": {
+                    "id": 19170,
+                    "name": "uint256",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20329:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "20199:151:16"
+            },
+            "returnParameters": {
+              "id": 19173,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "20360:0:16"
+            },
+            "scope": 19296,
+            "stateMutability": "nonpayable",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19224,
+            "nodeType": "FunctionDefinition",
+            "src": "20934:295:16",
+            "nodes": [],
+            "body": {
+              "id": 19223,
+              "nodeType": "Block",
+              "src": "21044:185:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "assignments": [
+                    19206
+                  ],
+                  "declarations": [
+                    {
+                      "constant": false,
+                      "id": 19206,
+                      "mutability": "mutable",
+                      "name": "_tokenMessenger",
+                      "nodeType": "VariableDeclaration",
+                      "scope": 19223,
+                      "src": "21054:23:16",
+                      "stateVariable": false,
+                      "storageLocation": "default",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      },
+                      "typeName": {
+                        "id": 19205,
+                        "name": "bytes32",
+                        "nodeType": "ElementaryTypeName",
+                        "src": "21054:7:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "visibility": "internal"
+                    }
+                  ],
+                  "id": 19210,
+                  "initialValue": {
+                    "baseExpression": {
+                      "id": 19207,
+                      "name": "remoteTokenMessengers",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 18540,
+                      "src": "21080:21:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_mapping$_t_uint32_$_t_bytes32_$",
+                        "typeString": "mapping(uint32 => bytes32)"
+                      }
+                    },
+                    "id": 19209,
+                    "indexExpression": {
+                      "id": 19208,
+                      "name": "_domain",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 19200,
+                      "src": "21102:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_uint32",
+                        "typeString": "uint32"
+                      }
+                    },
+                    "isConstant": false,
+                    "isLValue": true,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "nodeType": "IndexAccess",
+                    "src": "21080:30:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "nodeType": "VariableDeclarationStatement",
+                  "src": "21054:56:16"
+                },
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        },
+                        "id": 19217,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "id": 19212,
+                          "name": "_tokenMessenger",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 19206,
+                          "src": "21128:15:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 19215,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "21155:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 19214,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "21147:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_bytes32_$",
+                              "typeString": "type(bytes32)"
+                            },
+                            "typeName": {
+                              "id": 19213,
+                              "name": "bytes32",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "21147:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 19216,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "21147:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
+                          }
+                        },
+                        "src": "21128:29:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4e6f20546f6b656e4d657373656e67657220666f7220646f6d61696e",
+                        "id": 19218,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "21159:30:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_ea596e3591366966a24119837f7e601de32678d024b15f17edcd1be591c01ab8",
+                          "typeString": "literal_string \"No TokenMessenger for domain\""
+                        },
+                        "value": "No TokenMessenger for domain"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_ea596e3591366966a24119837f7e601de32678d024b15f17edcd1be591c01ab8",
+                          "typeString": "literal_string \"No TokenMessenger for domain\""
+                        }
+                      ],
+                      "id": 19211,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "21120:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 19219,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "21120:70:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19220,
+                  "nodeType": "ExpressionStatement",
+                  "src": "21120:70:16"
+                },
+                {
+                  "expression": {
+                    "id": 19221,
+                    "name": "_tokenMessenger",
+                    "nodeType": "Identifier",
+                    "overloadedDeclarations": [],
+                    "referencedDeclaration": 19206,
+                    "src": "21207:15:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "functionReturnParameters": 19204,
+                  "id": 19222,
+                  "nodeType": "Return",
+                  "src": "21200:22:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19198,
+              "nodeType": "StructuredDocumentation",
+              "src": "20653:276:16",
+              "text": " @notice return the remote TokenMessenger for the given `_domain` if one exists, else revert.\n @param _domain The domain for which to get the remote TokenMessenger\n @return _tokenMessenger The address of the TokenMessenger on `_domain` as bytes32"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_getRemoteTokenMessenger",
+            "parameters": {
+              "id": 19201,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19200,
+                  "mutability": "mutable",
+                  "name": "_domain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19224,
+                  "src": "20968:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 19199,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "20968:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "20967:16:16"
+            },
+            "returnParameters": {
+              "id": 19204,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19203,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19224,
+                  "src": "21031:7:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19202,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "21031:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "21030:9:16"
+            },
+            "scope": 19296,
+            "stateMutability": "view",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19246,
+            "nodeType": "FunctionDefinition",
+            "src": "21370:179:16",
+            "nodes": [],
+            "body": {
+              "id": 19245,
+              "nodeType": "Block",
+              "src": "21434:115:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "arguments": [
+                      {
+                        "commonType": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        "id": 19239,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "leftExpression": {
+                          "arguments": [
+                            {
+                              "id": 19233,
+                              "name": "localMinter",
+                              "nodeType": "Identifier",
+                              "overloadedDeclarations": [],
+                              "referencedDeclaration": 18536,
+                              "src": "21460:11:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                                "typeString": "contract ITokenMinter"
+                              }
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                                "typeString": "contract ITokenMinter"
+                              }
+                            ],
+                            "id": 19232,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "21452:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 19231,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "21452:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 19234,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": false,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "21452:20:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
+                          }
+                        },
+                        "nodeType": "BinaryOperation",
+                        "operator": "!=",
+                        "rightExpression": {
+                          "arguments": [
+                            {
+                              "hexValue": "30",
+                              "id": 19237,
+                              "isConstant": false,
+                              "isLValue": false,
+                              "isPure": true,
+                              "kind": "number",
+                              "lValueRequested": false,
+                              "nodeType": "Literal",
+                              "src": "21484:1:16",
+                              "typeDescriptions": {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              },
+                              "value": "0"
+                            }
+                          ],
+                          "expression": {
+                            "argumentTypes": [
+                              {
+                                "typeIdentifier": "t_rational_0_by_1",
+                                "typeString": "int_const 0"
+                              }
+                            ],
+                            "id": 19236,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "lValueRequested": false,
+                            "nodeType": "ElementaryTypeNameExpression",
+                            "src": "21476:7:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_type$_t_address_$",
+                              "typeString": "type(address)"
+                            },
+                            "typeName": {
+                              "id": 19235,
+                              "name": "address",
+                              "nodeType": "ElementaryTypeName",
+                              "src": "21476:7:16",
+                              "typeDescriptions": {}
+                            }
+                          },
+                          "id": 19238,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "kind": "typeConversion",
+                          "lValueRequested": false,
+                          "names": [],
+                          "nodeType": "FunctionCall",
+                          "src": "21476:10:16",
+                          "tryCall": false,
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_address_payable",
+                            "typeString": "address payable"
+                          }
+                        },
+                        "src": "21452:34:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        }
+                      },
+                      {
+                        "hexValue": "4c6f63616c206d696e746572206973206e6f7420736574",
+                        "id": 19240,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "string",
+                        "lValueRequested": false,
+                        "nodeType": "Literal",
+                        "src": "21488:25:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_stringliteral_811a8899febceceb13803550de97ff67998ab252c9188d8caa08994fa886235a",
+                          "typeString": "literal_string \"Local minter is not set\""
+                        },
+                        "value": "Local minter is not set"
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_bool",
+                          "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_811a8899febceceb13803550de97ff67998ab252c9188d8caa08994fa886235a",
+                          "typeString": "literal_string \"Local minter is not set\""
+                        }
+                      ],
+                      "id": 19230,
+                      "name": "require",
+                      "nodeType": "Identifier",
+                      "overloadedDeclarations": [
+                        -18,
+                        -18
+                      ],
+                      "referencedDeclaration": -18,
+                      "src": "21444:7:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
+                      }
+                    },
+                    "id": 19241,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "21444:70:16",
+                    "tryCall": false,
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
+                    }
+                  },
+                  "id": 19242,
+                  "nodeType": "ExpressionStatement",
+                  "src": "21444:70:16"
+                },
+                {
+                  "expression": {
+                    "id": 19243,
+                    "name": "localMinter",
+                    "nodeType": "Identifier",
+                    "overloadedDeclarations": [],
+                    "referencedDeclaration": 18536,
+                    "src": "21531:11:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                      "typeString": "contract ITokenMinter"
+                    }
+                  },
+                  "functionReturnParameters": 19229,
+                  "id": 19244,
+                  "nodeType": "Return",
+                  "src": "21524:18:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19225,
+              "nodeType": "StructuredDocumentation",
+              "src": "21235:130:16",
+              "text": " @notice return the local minter address if it is set, else revert.\n @return local minter as ITokenMinter."
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_getLocalMinter",
+            "parameters": {
+              "id": 19226,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "21394:2:16"
+            },
+            "returnParameters": {
+              "id": 19229,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19228,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19246,
+                  "src": "21420:12:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                    "typeString": "contract ITokenMinter"
+                  },
+                  "typeName": {
+                    "id": 19227,
+                    "name": "ITokenMinter",
+                    "nodeType": "UserDefinedTypeName",
+                    "referencedDeclaration": 21937,
+                    "src": "21420:12:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_contract$_ITokenMinter_$21937",
+                      "typeString": "contract ITokenMinter"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "21419:14:16"
+            },
+            "scope": 19296,
+            "stateMutability": "view",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19270,
+            "nodeType": "FunctionDefinition",
+            "src": "21956:261:16",
+            "nodes": [],
+            "body": {
+              "id": 19269,
+              "nodeType": "Block",
+              "src": "22087:130:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "commonType": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    },
+                    "id": 19267,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftExpression": {
+                      "commonType": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      },
+                      "id": 19261,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "leftExpression": {
+                        "id": 19256,
+                        "name": "_tokenMessenger",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19251,
+                        "src": "22116:15:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "nodeType": "BinaryOperation",
+                      "operator": "!=",
+                      "rightExpression": {
+                        "arguments": [
+                          {
+                            "hexValue": "30",
+                            "id": 19259,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "kind": "number",
+                            "lValueRequested": false,
+                            "nodeType": "Literal",
+                            "src": "22143:1:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            },
+                            "value": "0"
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            }
+                          ],
+                          "id": 19258,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "22135:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_bytes32_$",
+                            "typeString": "type(bytes32)"
+                          },
+                          "typeName": {
+                            "id": 19257,
+                            "name": "bytes32",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "22135:7:16",
+                            "typeDescriptions": {}
+                          }
+                        },
+                        "id": 19260,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "22135:10:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "src": "22116:29:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      }
+                    },
+                    "nodeType": "BinaryOperation",
+                    "operator": "&&",
+                    "rightExpression": {
+                      "commonType": {
+                        "typeIdentifier": "t_bytes32",
+                        "typeString": "bytes32"
+                      },
+                      "id": 19266,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "leftExpression": {
+                        "baseExpression": {
+                          "id": 19262,
+                          "name": "remoteTokenMessengers",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 18540,
+                          "src": "22161:21:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_mapping$_t_uint32_$_t_bytes32_$",
+                            "typeString": "mapping(uint32 => bytes32)"
+                          }
+                        },
+                        "id": 19264,
+                        "indexExpression": {
+                          "id": 19263,
+                          "name": "_domain",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 19249,
+                          "src": "22183:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint32",
+                            "typeString": "uint32"
+                          }
+                        },
+                        "isConstant": false,
+                        "isLValue": true,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "nodeType": "IndexAccess",
+                        "src": "22161:30:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "nodeType": "BinaryOperation",
+                      "operator": "==",
+                      "rightExpression": {
+                        "id": 19265,
+                        "name": "_tokenMessenger",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 19251,
+                        "src": "22195:15:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_bytes32",
+                          "typeString": "bytes32"
+                        }
+                      },
+                      "src": "22161:49:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      }
+                    },
+                    "src": "22116:94:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "functionReturnParameters": 19255,
+                  "id": 19268,
+                  "nodeType": "Return",
+                  "src": "22097:113:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19247,
+              "nodeType": "StructuredDocumentation",
+              "src": "21555:396:16",
+              "text": " @notice Return true if the given remote domain and TokenMessenger is registered\n on this TokenMessenger.\n @param _domain The remote domain of the message.\n @param _tokenMessenger The address of the TokenMessenger on remote domain.\n @return true if a remote TokenMessenger is registered for `_domain` and `_tokenMessenger`,\n on this TokenMessenger."
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_isRemoteTokenMessenger",
+            "parameters": {
+              "id": 19252,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19249,
+                  "mutability": "mutable",
+                  "name": "_domain",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19270,
+                  "src": "21989:14:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint32",
+                    "typeString": "uint32"
+                  },
+                  "typeName": {
+                    "id": 19248,
+                    "name": "uint32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "21989:6:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint32",
+                      "typeString": "uint32"
+                    }
+                  },
+                  "visibility": "internal"
+                },
+                {
+                  "constant": false,
+                  "id": 19251,
+                  "mutability": "mutable",
+                  "name": "_tokenMessenger",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19270,
+                  "src": "22005:23:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bytes32",
+                    "typeString": "bytes32"
+                  },
+                  "typeName": {
+                    "id": 19250,
+                    "name": "bytes32",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "22005:7:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bytes32",
+                      "typeString": "bytes32"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "21988:41:16"
+            },
+            "returnParameters": {
+              "id": 19255,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19254,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19270,
+                  "src": "22077:4:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bool",
+                    "typeString": "bool"
+                  },
+                  "typeName": {
+                    "id": 19253,
+                    "name": "bool",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "22077:4:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "22076:6:16"
+            },
+            "scope": 19296,
+            "stateMutability": "view",
+            "virtual": false,
+            "visibility": "internal"
+          },
+          {
+            "id": 19295,
+            "nodeType": "FunctionDefinition",
+            "src": "22414:211:16",
+            "nodes": [],
+            "body": {
+              "id": 19294,
+              "nodeType": "Block",
+              "src": "22481:144:16",
+              "nodes": [],
+              "statements": [
+                {
+                  "expression": {
+                    "commonType": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    },
+                    "id": 19292,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftExpression": {
+                      "commonType": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      },
+                      "id": 19284,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "leftExpression": {
+                        "arguments": [
+                          {
+                            "id": 19278,
+                            "name": "localMessageTransmitter",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18532,
+                            "src": "22518:23:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                              "typeString": "contract IMessageTransmitter"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                              "typeString": "contract IMessageTransmitter"
+                            }
+                          ],
+                          "id": 19277,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "22510:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_address_$",
+                            "typeString": "type(address)"
+                          },
+                          "typeName": {
+                            "id": 19276,
+                            "name": "address",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "22510:7:16",
+                            "typeDescriptions": {}
+                          }
+                        },
+                        "id": 19279,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "22510:32:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      "nodeType": "BinaryOperation",
+                      "operator": "!=",
+                      "rightExpression": {
+                        "arguments": [
+                          {
+                            "hexValue": "30",
+                            "id": 19282,
+                            "isConstant": false,
+                            "isLValue": false,
+                            "isPure": true,
+                            "kind": "number",
+                            "lValueRequested": false,
+                            "nodeType": "Literal",
+                            "src": "22554:1:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            },
+                            "value": "0"
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_rational_0_by_1",
+                              "typeString": "int_const 0"
+                            }
+                          ],
+                          "id": 19281,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "22546:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_address_$",
+                            "typeString": "type(address)"
+                          },
+                          "typeName": {
+                            "id": 19280,
+                            "name": "address",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "22546:7:16",
+                            "typeDescriptions": {}
+                          }
+                        },
+                        "id": 19283,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": true,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "22546:10:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      },
+                      "src": "22510:46:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      }
+                    },
+                    "nodeType": "BinaryOperation",
+                    "operator": "&&",
+                    "rightExpression": {
+                      "commonType": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      },
+                      "id": 19291,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "leftExpression": {
+                        "expression": {
+                          "id": 19285,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": -15,
+                          "src": "22572:3:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 19286,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "sender",
+                        "nodeType": "MemberAccess",
+                        "src": "22572:10:16",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address_payable",
+                          "typeString": "address payable"
+                        }
+                      },
+                      "nodeType": "BinaryOperation",
+                      "operator": "==",
+                      "rightExpression": {
+                        "arguments": [
+                          {
+                            "id": 19289,
+                            "name": "localMessageTransmitter",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 18532,
+                            "src": "22594:23:16",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                              "typeString": "contract IMessageTransmitter"
+                            }
+                          }
+                        ],
+                        "expression": {
+                          "argumentTypes": [
+                            {
+                              "typeIdentifier": "t_contract$_IMessageTransmitter_$21292",
+                              "typeString": "contract IMessageTransmitter"
+                            }
+                          ],
+                          "id": 19288,
+                          "isConstant": false,
+                          "isLValue": false,
+                          "isPure": true,
+                          "lValueRequested": false,
+                          "nodeType": "ElementaryTypeNameExpression",
+                          "src": "22586:7:16",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_type$_t_address_$",
+                            "typeString": "type(address)"
+                          },
+                          "typeName": {
+                            "id": 19287,
+                            "name": "address",
+                            "nodeType": "ElementaryTypeName",
+                            "src": "22586:7:16",
+                            "typeDescriptions": {}
+                          }
+                        },
+                        "id": 19290,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "kind": "typeConversion",
+                        "lValueRequested": false,
+                        "names": [],
+                        "nodeType": "FunctionCall",
+                        "src": "22586:32:16",
+                        "tryCall": false,
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        }
+                      },
+                      "src": "22572:46:16",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_bool",
+                        "typeString": "bool"
+                      }
+                    },
+                    "src": "22510:108:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "functionReturnParameters": 19275,
+                  "id": 19293,
+                  "nodeType": "Return",
+                  "src": "22491:127:16"
+                }
+              ]
+            },
+            "documentation": {
+              "id": 19271,
+              "nodeType": "StructuredDocumentation",
+              "src": "22223:186:16",
+              "text": " @notice Returns true if the message sender is the local registered MessageTransmitter\n @return true if message sender is the registered local message transmitter"
+            },
+            "implemented": true,
+            "kind": "function",
+            "modifiers": [],
+            "name": "_isLocalMessageTransmitter",
+            "parameters": {
+              "id": 19272,
+              "nodeType": "ParameterList",
+              "parameters": [],
+              "src": "22449:2:16"
+            },
+            "returnParameters": {
+              "id": 19275,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 19274,
+                  "mutability": "mutable",
+                  "name": "",
+                  "nodeType": "VariableDeclaration",
+                  "scope": 19295,
+                  "src": "22475:4:16",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_bool",
+                    "typeString": "bool"
+                  },
+                  "typeName": {
+                    "id": 19273,
+                    "name": "bool",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "22475:4:16",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_bool",
+                      "typeString": "bool"
+                    }
+                  },
+                  "visibility": "internal"
+                }
+              ],
+              "src": "22474:6:16"
+            },
+            "scope": 19296,
+            "stateMutability": "view",
+            "virtual": false,
+            "visibility": "internal"
+          }
+        ],
+        "abstract": false,
+        "baseContracts": [
+          {
+            "baseName": {
+              "id": 18463,
+              "name": "IMessageHandler",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21282,
+              "src": "1082:15:16",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_IMessageHandler_$21282",
+                "typeString": "contract IMessageHandler"
+              }
+            },
+            "id": 18464,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1082:15:16"
+          },
+          {
+            "baseName": {
+              "id": 18465,
+              "name": "Rescuable",
+              "nodeType": "UserDefinedTypeName",
+              "referencedDeclaration": 21872,
+              "src": "1099:9:16",
+              "typeDescriptions": {
+                "typeIdentifier": "t_contract$_Rescuable_$21872",
+                "typeString": "contract Rescuable"
+              }
+            },
+            "id": 18466,
+            "nodeType": "InheritanceSpecifier",
+            "src": "1099:9:16"
+          }
+        ],
+        "contractDependencies": [
+          21282,
+          21872,
+          23227,
+          23617,
+          24291
+        ],
+        "contractKind": "contract",
+        "documentation": {
+          "id": 18462,
+          "nodeType": "StructuredDocumentation",
+          "src": "918:136:16",
+          "text": " @title TokenMessenger\n @notice Sends messages and receives messages to/from MessageTransmitters\n and to/from TokenMinters"
+        },
+        "fullyImplemented": true,
+        "linearizedBaseContracts": [
+          19296,
+          21872,
+          23227,
+          23617,
+          24291,
+          21282
+        ],
+        "name": "TokenMessenger",
+        "scope": 19297
+      }
+    ]
+  },
+  "id": 16
+}
\ No newline at end of file
diff --git a/typescript/example/depositForBurn.ts b/typescript/example/depositForBurn.ts
new file mode 100644
index 0000000..0e60872
--- /dev/null
+++ b/typescript/example/depositForBurn.ts
@@ -0,0 +1,121 @@
+/**
+ * Copyright (c) 2024, Circle Internet Group, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  Account,
+  AccountAddress,
+  Aptos,
+  AptosConfig,
+  Ed25519PrivateKey,
+  Network,
+  U32,
+  U64,
+  UserTransactionResponse,
+} from "@aptos-labs/ts-sdk";
+import { readFileSync } from "fs";
+import Web3 from "web3";
+
+// Aptos Testnet Message Transmitter
+const MESSAGE_TRANSMITTER_PACKAGE_ID = "0x81e86cebf457a0c6004f35bd648a2794698f52e0dde09a48619dcd3d4cc23d9";
+// Aptos Testnet Stablecoin object
+const BURN_TOKEN = "0x69091fbab5f7d635ee7ac5098cf0c1efbe31d68fec0f2cd565e8d168daf52832";
+// Base Testnet Message Transmitter
+const EVM_MESSAGE_TRANSMITTER_ADDRESS = "0x7865fAfC2db2093669d92c0F33AeEF291086BEFD";
+const EVM_PRIVATE_KEY = process.env.EVM_PRIVATE_KEY;
+const APTOS_PRIVATE_KEY = process.env.APTOS_PRIVATE_KEY;
+const EVM_RPC_URL = process.env.EVM_RPC_URL;
+
+// Example script for transferring 1 USDC from APTOS to BASE
+const main = async () => {
+  const web3 = new Web3(EVM_RPC_URL);
+  const evmSigner = web3.eth.accounts.privateKeyToAccount(EVM_PRIVATE_KEY);
+  web3.eth.accounts.wallet.add(evmSigner);
+
+  const aptosClient = new Aptos(new AptosConfig({ network: Network.TESTNET }));
+  const userAccount = Account.fromPrivateKey({ privateKey: new Ed25519PrivateKey(APTOS_PRIVATE_KEY) });
+
+  // Create a transaction with deposit for burn script
+  const buffer = readFileSync("typescript/example/precompiled-move-scripts/testnet/deposit_for_burn.mv");
+  const bytecode = Uint8Array.from(buffer);
+  const amount = new U64(1);
+  const destinationDomain = new U32(6);
+  const burnToken = AccountAddress.from(BURN_TOKEN);
+  const mintRecipient = AccountAddress.from(evmSigner.address);
+  const functionArguments: Array<any> = [amount, destinationDomain, mintRecipient, burnToken];
+  const transaction = await aptosClient.transaction.build.simple({
+    sender: userAccount.accountAddress,
+    data: {
+      bytecode,
+      functionArguments,
+    },
+  });
+  const pendingTxn = await aptosClient.signAndSubmitTransaction({
+    signer: userAccount,
+    transaction,
+  });
+  const depositForBurnTx = await aptosClient.waitForTransaction({ transactionHash: pendingTxn.hash });
+  console.log(
+    `Deposit for burn transaction completed successfully: https://explorer.aptoslabs.com/txn/${depositForBurnTx.hash}`
+  );
+
+  // Fetch the event data from the transaction
+  const messageSentEvent = (depositForBurnTx as UserTransactionResponse).events.find(
+    (e: any) => e.type === `${MESSAGE_TRANSMITTER_PACKAGE_ID}::message_transmitter::MessageSent`
+  );
+
+  // Wait for attestation
+  const messageBytes = messageSentEvent.data.message;
+  const messageHash = web3.utils.keccak256(messageBytes);
+  let attestationResponse = { status: "pending", attestation: "" };
+  console.log(`Waiting for attestation: https://iris-api-sandbox.circle.com/attestations/${messageHash}`);
+  while (attestationResponse.status != "complete") {
+    const response = await fetch(`https://iris-api-sandbox.circle.com/attestations/${messageHash}`);
+    attestationResponse = await response.json();
+    await new Promise((r) => setTimeout(r, 5_000));
+  }
+  console.log(`Message attested: https://iris-api-sandbox.circle.com/attestations/${messageHash}`);
+
+  // Use the attestation and message data to receive the message on the EVM
+  const attestationSignature = attestationResponse.attestation;
+  const messageTransmitterInterface = JSON.parse(
+    readFileSync("typescript/example/abi/MessageTransmitter.json").toString()
+  );
+  const evmMessageTransmitterContract = new web3.eth.Contract(
+    messageTransmitterInterface.abi,
+    EVM_MESSAGE_TRANSMITTER_ADDRESS,
+    {
+      from: evmSigner.address,
+    }
+  );
+  const receiveTxGas = await evmMessageTransmitterContract.methods
+    .receiveMessage(messageBytes, attestationSignature)
+    .estimateGas();
+  const receiveTx = await evmMessageTransmitterContract.methods
+    .receiveMessage(messageBytes, attestationSignature)
+    .send({ gas: receiveTxGas.toString() });
+
+  console.log(`Wait for ReceiveTx to complete: https://sepolia.basescan.org/tx/${receiveTx.transactionHash}`);
+  let receiveTxReceipt = { transactionHash: receiveTx.transactionHash, status: BigInt(0) };
+  while (receiveTxReceipt != null && receiveTxReceipt.status != BigInt(1)) {
+    receiveTxReceipt = await web3.eth.getTransactionReceipt(receiveTx.transactionHash);
+    await new Promise((r) => setTimeout(r, 4_000));
+  }
+  console.log(`ReceiveTxReceipt: https://sepolia.basescan.org/tx/${receiveTxReceipt.transactionHash}`);
+};
+
+main();
diff --git a/typescript/example/precompiled-move-scripts/testnet/deposit_for_burn.mv b/typescript/example/precompiled-move-scripts/testnet/deposit_for_burn.mv
new file mode 100644
index 0000000..fb5c32b
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diff --git a/typescript/example/precompiled-move-scripts/testnet/deposit_for_burn_with_caller.mv b/typescript/example/precompiled-move-scripts/testnet/deposit_for_burn_with_caller.mv
new file mode 100644
index 0000000..c2a35aa
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diff --git a/typescript/example/precompiled-move-scripts/testnet/handle_receive_message.mv b/typescript/example/precompiled-move-scripts/testnet/handle_receive_message.mv
new file mode 100644
index 0000000..e432b91
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diff --git a/typescript/example/precompiled-move-scripts/testnet/replace_deposit_for_burn.mv b/typescript/example/precompiled-move-scripts/testnet/replace_deposit_for_burn.mv
new file mode 100644
index 0000000..a84204f
Binary files /dev/null and b/typescript/example/precompiled-move-scripts/testnet/replace_deposit_for_burn.mv differ
diff --git a/typescript/example/receiveMessage.ts b/typescript/example/receiveMessage.ts
new file mode 100644
index 0000000..6fc8dd3
--- /dev/null
+++ b/typescript/example/receiveMessage.ts
@@ -0,0 +1,124 @@
+/**
+ * Copyright (c) 2024, Circle Internet Group, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Web3 } from "web3";
+import fs from "fs";
+import {
+  Account,
+  Aptos,
+  AptosConfig,
+  Ed25519PrivateKey,
+  Network,
+  MoveVector
+} from "@aptos-labs/ts-sdk";
+
+const USDC_AMOUNT = 1;
+const APTOS_DOMAIN = 9;
+
+const EVM_TOKEN_MESSENGER_CONTRACT_ADDRESS = "0x9f3B8679c73C2Fef8b59B4f3444d4e156fb70AA5"; // Base testnet
+const USDC_ETH_CONTRACT_ADDRESS = "0x036CbD53842c5426634e7929541eC2318f3dCF7e";
+const EVM_PRIVATE_KEY = process.env.EVM_PRIVATE_KEY;
+const APTOS_PRIVATE_KEY = process.env.APTOS_PRIVATE_KEY;
+const EVM_RPC_URL = process.env.EVM_RPC_URL;
+
+const waitForTransaction = async(web3: Web3, txHash: string) => {
+  let transactionReceipt = await web3.eth.getTransactionReceipt(txHash);
+  while(transactionReceipt != null && transactionReceipt.status === BigInt(0)) {
+    transactionReceipt = await web3.eth.getTransactionReceipt(txHash);
+    await new Promise(r => setTimeout(r, 4000));
+  }
+  return transactionReceipt;
+};
+
+
+/**
+ * // Example script for transferring 1 USDC from BASE to APTOS
+ */
+const main = async () => {
+  // EVM setup
+  const web3 = new Web3(new Web3.providers.HttpProvider(EVM_RPC_URL));
+  const evmSigner = web3.eth.accounts.privateKeyToAccount(EVM_PRIVATE_KEY);
+  web3.eth.accounts.wallet.add(evmSigner);
+
+  // Aptos setup
+  const aptosClient = new Aptos(new AptosConfig({ network: Network.TESTNET }));
+  const userAccount = Account.fromPrivateKey({ privateKey: new Ed25519PrivateKey(APTOS_PRIVATE_KEY) });
+
+  // initialize contracts using address and ABI
+  const tokenMessengerInterface = JSON.parse(
+    fs.readFileSync("typescript/example/abi/TokenMessenger.json").toString()
+  );
+  const usdcInterface = JSON.parse(fs.readFileSync("typescript/example/abi/FiatTokenV2_1.json").toString());
+
+  const evmTokenMessengerContract = new web3.eth.Contract(
+    tokenMessengerInterface.abi,
+    EVM_TOKEN_MESSENGER_CONTRACT_ADDRESS,
+    { from: evmSigner.address }
+  );
+  const usdcEthContract = new web3.eth.Contract(usdcInterface.abi, USDC_ETH_CONTRACT_ADDRESS,  { from: evmSigner.address });
+
+  // STEP 1: Approve messenger contract to withdraw from our active eth address
+  const approveTxGas = await usdcEthContract.methods.approve(EVM_TOKEN_MESSENGER_CONTRACT_ADDRESS, USDC_AMOUNT).estimateGas();
+  const approveTx = await usdcEthContract.methods.approve(EVM_TOKEN_MESSENGER_CONTRACT_ADDRESS, USDC_AMOUNT).send({ gas: approveTxGas.toString() });
+  const approveTxReceipt = await waitForTransaction(web3, approveTx.transactionHash);
+  console.log(`ApproveTxReceipt: https://sepolia.basescan.org/tx/${approveTxReceipt.transactionHash}`);
+
+  // STEP 2: Burn USDC on EVM
+  const burnTxGas = await evmTokenMessengerContract.methods.depositForBurn(USDC_AMOUNT, APTOS_DOMAIN, userAccount.accountAddress.toString(), USDC_ETH_CONTRACT_ADDRESS).estimateGas();
+  const burnTx = await evmTokenMessengerContract.methods.depositForBurn(USDC_AMOUNT, APTOS_DOMAIN, userAccount.accountAddress.toString(), USDC_ETH_CONTRACT_ADDRESS).send({gas: burnTxGas.toString()});
+  const burnTxReceipt = await waitForTransaction(web3, burnTx.transactionHash);
+  console.log(`DepositForBurnTxReceipt: https://sepolia.basescan.org/tx/${burnTxReceipt.transactionHash}`);
+
+  // STEP 3: Retrieve message bytes from logs
+  const transactionReceipt = await web3.eth.getTransactionReceipt(burnTx.transactionHash);
+  const eventTopic = web3.utils.keccak256('MessageSent(bytes)')
+  const log = transactionReceipt.logs.find((l) => l.topics[0] === eventTopic)
+  const messageBytes = web3.eth.abi.decodeParameters(['bytes'], log.data)[0]
+  const messageHash = web3.utils.keccak256(messageBytes as string);
+
+  // STEP 4: Fetch attestation signature
+  let attestationResponse = {status: 'pending', attestation: ''};
+  while(attestationResponse.status !== 'complete') {
+    const response = await fetch(`https://iris-api-sandbox.circle.com/attestations/${messageHash}`);
+    attestationResponse = await response.json()
+    await new Promise(r => setTimeout(r, 2000));
+  }
+  console.log(`Message attested: https://iris-api-sandbox.circle.com/attestations/${messageHash}`);
+
+  const attestationSignature = attestationResponse.attestation;
+
+  // STEP 5: Use message bytes and signature to receive the usdc on Aptos
+  const bytecode = Uint8Array.from(fs.readFileSync("typescript/example/precompiled-move-scripts/testnet/handle_receive_message.mv"));
+  const functionArguments: Array<any> = [MoveVector.U8(messageBytes as Buffer), MoveVector.U8(attestationSignature)];
+  const transaction = await aptosClient.transaction.build.simple({
+    sender: userAccount.accountAddress,
+    data: {
+      bytecode,
+      functionArguments,
+    },
+  });
+  const pendingTxn = await aptosClient.signAndSubmitTransaction({
+    signer: userAccount,
+    transaction,
+  });
+  const receiveMessageTx = await aptosClient.waitForTransaction({ transactionHash: pendingTxn.hash });
+  console.log(
+    `Receive message transaction completed successfully: https://explorer.aptoslabs.com/txn/${receiveMessageTx.hash}`
+  );
+};
+main();