Add Affirmation Graph contract

packages/mesh-contract/src/affirmation/index.ts

@@ -0,0 +1 @@
+export * from './offchain';

packages/mesh-contract/src/affirmation/offchain.ts

@@ -0,0 +1,158 @@
+import {
+  applyCborEncoding,
+  deserializeDatum,
+  UTxO,
+  mConStr0,
+  resolveScriptHash,
+  serializePlutusScript,
+  serializeAddressObj,pubKeyAddress,
+  mConStr1
+} from '@meshsdk/core';
+
+import { Address } from "@meshsdk/core-cst"
+
+import { MeshTxInitiator, MeshTxInitiatorInput } from "../common";
+
+import blueprint from "./plutus.json";
+
+export const MeshAffirmationBlueprint = blueprint;
+type scriptInfo ={ 
+  code: string, version: "V3", address: string, policyId: string
+}
+export class MeshAffirmationContract extends MeshTxInitiator {
+  constructor(inputs: MeshTxInitiatorInput) {
+    super(inputs);
+    this.languageVersion = 'V3';
+  }
+
+  // This just grabs the validator cbor and generates an address from it 
+  getScript = (type: 'Mint' | 'Spend', beneficiaryKeyHash: string ,networkId: number ) => {
+    const scriptCbor=applyCborEncoding(blueprint?.validators[type=='Mint'?0:1]?.compiledCode || '');
+    const policyId = resolveScriptHash(scriptCbor, "V3");
+    let script:scriptInfo = {policyId: policyId, code: scriptCbor, version: "V3", ...serializePlutusScript(
+      {code: scriptCbor, version: "V3"},
+      beneficiaryKeyHash,
+      networkId
+    )};
+    return script;
+  };
+
+  affirm = async (beneficiary: any): Promise<string> => {
+    const wallet = this.wallet;
+    if (!wallet) throw new Error('Wallet is needed');
+    const { utxos, walletAddress, collateral } =
+    await this.getWalletInfoForTx();
+
+    const rewardAddress = (await wallet.getRewardAddresses())[0];
+
+
+    if (!rewardAddress) throw new Error('Reward address is needed');;
+    const stakeAddrBech:string = walletAddress || '';
+    const stakeAddr = Address.fromBech32(stakeAddrBech);
+
+    const stakeAddrProps = stakeAddr.getProps();
+    const stakeHash = stakeAddrProps.delegationPart?.hash || "";
+    const stakeHashBin = Buffer.from(stakeHash,'hex');
+
+
+    const mintingScript = this.getScript("Mint", beneficiary?.hash, await wallet.getNetworkId());
+    if (!mintingScript.code) return '';
+    const targetAddress = mintingScript.address;
+
+
+    const firstUtxo = utxos[0];
+    if (firstUtxo === undefined) throw new Error("No UTXOs available");
+    const remainingUtxos = utxos.slice(1);
+
+    const redeemer =mConStr0([]);
+
+    // {data: { alternative: 0, fields: [] }};
+    const myDatum= { alternative: 0, fields: [stakeHash] };
+
+    await this.mesh
+    .txIn(
+      firstUtxo.input.txHash,
+      firstUtxo.input.outputIndex,
+      firstUtxo.output.amount,
+      firstUtxo.output.address,
+    )
+    .mintPlutusScript(this.languageVersion)
+    .mint("1", mintingScript.policyId, stakeHashBin.toString('hex'))
+    .mintingScript(mintingScript.code)
+    .mintRedeemerValue(redeemer)
+    .txOut(targetAddress, [
+      { unit: mintingScript.policyId + stakeHashBin.toString('hex'), quantity: "1" },
+    ])
+    .txOutInlineDatumValue(myDatum)
+    .changeAddress(walletAddress)
+    .txInCollateral(
+      collateral.input.txHash,
+      collateral.input.outputIndex,
+      collateral.output.amount,
+      collateral.output.address,
+    )
+    .selectUtxosFrom(remainingUtxos,'keepRelevant','0')
+    .requiredSignerHash(stakeAddrProps.paymentPart?.hash || '')
+    .requiredSignerHash(stakeHash)
+
+    .complete();
+
+    return this.mesh.txHex;
+
+  };
+
+  revoke = async (scriptUtxo: UTxO): Promise<string> => {
+    const wallet = this.wallet;
+    if (!wallet) throw new Error('Wallet is needed');
+
+    const { utxos, walletAddress, collateral } =
+    await this.getWalletInfoForTx();
+
+    const rewardAddress = (await wallet.getRewardAddresses())[0];
+
+    if (!rewardAddress) throw new Error('Reward address is needed');;
+    const stakeAddrBech:string = walletAddress || '';
+    const stakeAddr = Address.fromBech32(stakeAddrBech);
+    const beneficiaryAddr = Address.fromBech32(scriptUtxo.output.address);
+    const beneficiary = beneficiaryAddr.getProps().delegationPart;
+
+    const stakeAddrProps = stakeAddr.getProps();
+    const stakeHash = stakeAddrProps.delegationPart?.hash || "";
+    const stakeHashBin = Buffer.from(stakeHash,'hex');
+
+    const mintingScript = this.getScript("Mint", beneficiary?.hash || '', await wallet.getNetworkId());
+    const spendingScript = this.getScript("Spend", beneficiary?.hash || '', await wallet.getNetworkId());
+    if (!mintingScript.code) return '';
+
+    await this.mesh
+    .spendingPlutusScript(this.languageVersion)
+    .txIn(
+      scriptUtxo.input.txHash,
+      scriptUtxo.input.outputIndex,
+      scriptUtxo.output.amount,
+      scriptUtxo.output.address,
+    )
+    .txInRedeemerValue(mConStr0([]))
+    .spendingReferenceTxInInlineDatumPresent()
+    .spendingReferenceTxInRedeemerValue("")
+    .txInScript(spendingScript.code)
+    .mintPlutusScript(this.languageVersion)
+    .mint("-1", mintingScript.policyId, stakeHashBin.toString('hex'))
+    .mintingScript(mintingScript.code)
+    .mintRedeemerValue(mConStr1([]))
+    .changeAddress(walletAddress)
+    .txInCollateral(
+      collateral.input.txHash,
+      collateral.input.outputIndex,
+      collateral.output.amount,
+      collateral.output.address,
+    )
+    .selectUtxosFrom(utxos)
+    .requiredSignerHash(stakeAddrProps.paymentPart?.hash || '')
+    .requiredSignerHash(stakeHash)
+    .complete();
+    return this.mesh.txHex;
+
+  };
+
+}

packages/mesh-contract/src/affirmation/plutus.json

@@ -0,0 +1,57 @@
+{
+  "preamble": {
+    "title": "kieransimkin/affirmation-graph",
+    "description": "Aiken contracts for project 'affirmation-graph'",
+    "version": "1.0.0",
+    "plutusVersion": "v3",
+    "compiler": {
+      "name": "Aiken",
+      "version": "v1.1.4+79d0e45"
+    },
+    "license": "Apache-2.0"
+  },
+  "validators": [
+    {
+      "title": "affirmation.v1.mint",
+      "redeemer": {
+        "title": "_redeemer",
+        "schema": {
+          "$ref": "#/definitions/Data"
+        }
+      },
+      "compiledCode": "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",
+      "hash": "780b8dcab8ec263281b810e26c4e5ef5e38a057c297c686661c75d4d"
+    },
+    {
+      "title": "affirmation.v1.spend",
+      "datum": {
+        "title": "datum",
+        "schema": {
+          "$ref": "#/definitions/Data"
+        }
+      },
+      "redeemer": {
+        "title": "_redeemer",
+        "schema": {
+          "$ref": "#/definitions/Data"
+        }
+      },
+      "compiledCode": "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",
+      "hash": "780b8dcab8ec263281b810e26c4e5ef5e38a057c297c686661c75d4d"
+    },
+    {
+      "title": "affirmation.v1.else",
+      "redeemer": {
+        "schema": {}
+      },
+      "compiledCode": "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",
+      "hash": "780b8dcab8ec263281b810e26c4e5ef5e38a057c297c686661c75d4d"
+    }
+  ],
+  "definitions": {
+    "Data": {
+      "title": "Data",
+      "description": "Any Plutus data."
+    }
+  }
+}

packages/mesh-contract/src/affirmation/readme.md

@@ -0,0 +1,3 @@
+# Affirmation contract
+## part of the [Affirmation Graph](https://github.com/kieransimkin/affirmation-graph) project by Kieran Simkin
+

packages/mesh-contract/src/index.ts

@@ -7,3 +7,4 @@ export * from "./payment-splitter";
 export * from "./plutus-nft";
 export * from "./swap";
 export * from "./vesting";
+export * from "./affirmation";

packages/mesh-wallet/src/embedded/index.ts

@@ -281,16 +281,17 @@ export class EmbeddedWallet extends WalletStaticMethods {
     }
   }
 
-  signTx(unsignedTx: string, accountIndex = 0, keyIndex = 0): VkeyWitness {
+  signTx(unsignedTx: string, accountIndex = 0, keyIndex = 0, useStake=false): VkeyWitness {
     try {
       const txHash = deserializeTxHash(resolveTxHash(unsignedTx));
 
-      const { paymentKey } = this.getAccount(accountIndex, keyIndex);
+      const { paymentKey, stakeKey } = this.getAccount(accountIndex, keyIndex);
 
+      const useKey = useStake ? stakeKey : paymentKey
       const vKeyWitness = new VkeyWitness(
-        Ed25519PublicKeyHex(paymentKey.toPublicKey().toBytes().toString("hex")),
+        Ed25519PublicKeyHex(useKey.toPublicKey().toBytes().toString("hex")),
         Ed25519SignatureHex(
-          paymentKey.sign(Buffer.from(txHash, "hex")).toString("hex"),
+          useKey.sign(Buffer.from(txHash, "hex")).toString("hex"),
         ),
       );
 

packages/mesh-wallet/src/mesh/index.ts

@@ -27,6 +27,7 @@ import {
   toAddress,
   toTxUnspentOutput,
   TransactionUnspentOutput,
+  VkeyWitness,
 } from "@meshsdk/core-cst";
 import { Transaction } from "@meshsdk/transaction";
 
@@ -334,7 +335,7 @@ export class MeshWallet implements IInitiator, ISigner, ISubmitter {
    * @param partialSign - if the transaction is partially signed (default: false)
    * @returns a signed transaction in CBOR
    */
-  signTx(unsignedTx: string, partialSign = false): string {
+  signTx(unsignedTx: string, partialSign = false, useStake=false): string {
     if (!this._wallet) {
       throw new Error(
         "[MeshWallet] Read only wallet does not support signing data.",
@@ -350,14 +351,21 @@ export class MeshWallet implements IInitiator, ISigner, ISubmitter {
       throw new Error(
         "Signatures already exist in the transaction in a non partial sign call",
       );
-
-    const newSignatures = this._wallet.signTx(
+      const newSignatures:VkeyWitness[] = [ this._wallet.signTx(
       unsignedTx,
       this._accountIndex,
       this._keyIndex,
-    );
+    )];
+    if (useStake) {
+      newSignatures.push(this._wallet.signTx(
+        unsignedTx,
+        this._accountIndex,
+        this._keyIndex,
+        true
+      ));
+    }
 
-    let signedTx = EmbeddedWallet.addWitnessSets(unsignedTx, [newSignatures]);
+    let signedTx = EmbeddedWallet.addWitnessSets(unsignedTx, newSignatures);
     return signedTx;
   }