Can mine for a determinstic address for the proxy shim in a script, a…

…nd have a test that shows we can determinstically deploy proxy to that address with that salt and deployer account

package.json

@@ -51,6 +51,7 @@
     "listr2": "^6.4.2",
     "prettier": "^2.8.8",
     "prettier-plugin-solidity": "^1.1.3",
+    "solady": "^0.0.123",
     "tsup": "^6.7.0",
     "typescript": "^5.0.4",
     "viem": "^1.6.0",

remappings.txt

@@ -4,4 +4,5 @@ forge-std/=node_modules/forge-std/src/
 @zoralabs/protocol-rewards/src/=node_modules/@zoralabs/protocol-rewards/src/
 @openzeppelin/contracts/=node_modules/@openzeppelin/contracts/
 _imagine=_imagine/
-solemate/=/node_modules/solemate/src/
+solemate/=/node_modules/solemate/src/
+solady/=node_modules/solady/src/

script/GetDeterminsticParam.s.sol

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.17;
+
+import "forge-std/Script.sol";
+import "forge-std/console2.sol";
+
+import {ZoraDeployerBase} from "./ZoraDeployerBase.sol";
+import {Zora1155Factory} from "../src/proxies/Zora1155Factory.sol";
+import {ProxyShim} from "../src/utils/ProxyShim.sol";
+import {LibString} from "solady/utils/LibString.sol";
+
+contract GetDeterminsticParam is ZoraDeployerBase {
+    // copied from: https://github.com/karmacoma-eth/foundry-playground/blob/main/script/MineSaltScript.sol#L17C1-L36C9
+    function mineSalt(address deployer, bytes32 initCodeHash, string memory startsWith) public returns (string memory saltStr, address expectedAddress) {
+        string[] memory args = new string[](8);
+        args[0] = "cast";
+        args[1] = "create2";
+        args[2] = "--starts-with";
+        args[3] = startsWith;
+        args[4] = "--deployer";
+        args[5] = LibString.toHexString(deployer);
+        args[6] = "--init-code-hash";
+        args[7] = LibString.toHexStringNoPrefix(uint256(initCodeHash), 32);
+        string memory result = string(vm.ffi(args));
+
+        uint256 addressIndex = LibString.indexOf(result, "Address: ");
+        string memory addressStr = LibString.slice(result, addressIndex + 9, addressIndex + 9 + 42);
+        expectedAddress = vm.parseAddress(addressStr);
+
+        uint256 saltIndex = LibString.indexOf(result, "Salt: ");
+        saltStr = LibString.slice(result, saltIndex + 6, bytes(result).length);
+    }
+
+    function run() public {
+        address deployerAddress = makeAddr("determinsticDeployer");
+
+        console2.log(deployerAddress);
+
+        address factoryShimAddress = address(new ProxyShim(deployerAddress));
+        console2.log(factoryShimAddress);
+
+        bytes memory initCode = abi.encodePacked(type(Zora1155Factory).creationCode, abi.encode(factoryShimAddress, ""));
+
+        bytes32 creationCodeHash = keccak256(initCode);
+
+        console.log("init code hash: ", LibString.toHexStringNoPrefix(uint256(creationCodeHash), 32));
+
+        console2.log("mining for salt");
+
+        (string memory saltString, address expectedAddress) = mineSalt(deployerAddress, creationCodeHash, "0x7777777");
+
+        console.log("salt: ", saltString);
+        console.log("expected address: ", expectedAddress);
+    }
+}

test/deployer/DeterminsticDeployer.t.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.17;
+
+import "forge-std/Test.sol";
+import {Zora1155Factory} from "../../src/proxies/Zora1155Factory.sol";
+import {ProxyShim} from "../../src/utils/ProxyShim.sol";
+import {Create2} from "@openzeppelin/contracts/utils/Create2.sol";
+
+contract ZoraCreator1155FactoryTest is Test {
+    function test_proxyCanByDeployedAtDesiredAddress() external {
+        // the values in this test can be determined by running the script GetDeterminsticParam.s.sol,
+        // then using the output of that to pipe into cast create2 to get a determinstic address that matches
+        // 0x7777777
+
+        address deployerAddress = makeAddr("determinsticDeployer");
+
+        address factoryShimAddress = address(new ProxyShim(deployerAddress));
+
+        assertEq(factoryShimAddress, 0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f, "factory shim");
+
+        bytes32 salt = bytes32(uint256(58621195373076836725248570099637242069749185457981134621891359830769662503721));
+
+        vm.startPrank(deployerAddress);
+        address factoryProxyAddress = address(new Zora1155Factory{salt: salt}(factoryShimAddress, ""));
+
+        assertEq(factoryProxyAddress, 0x7777777CC7d51bDfa57B1afC08Cea482AFfb40cf, "factory proxy address");
+    }
+}

yarn.lock

@@ -3298,6 +3298,11 @@ snake-case@^3.0.4:
     dot-case "^3.0.4"
     tslib "^2.0.3"
 
+solady@^0.0.123:
+  version "0.0.123"
+  resolved "https://registry.yarnpkg.com/solady/-/solady-0.0.123.tgz#7ef95767c1570e3efde7550da2a8b439b2f413d2"
+  integrity sha512-F/B8OMCplGsS4FrdPrnEG0xdg8HKede5PwC+Rum8soj/LWxfKckA0p+Uwnlbgey2iI82IHvmSOCNhsdbA+lUrw==
+
 solidity-comments-extractor@^0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/solidity-comments-extractor/-/solidity-comments-extractor-0.0.7.tgz#99d8f1361438f84019795d928b931f4e5c39ca19"