feat: recover function for vet recovery

modules/bitgo/test/v2/lib/recovery-nocks.ts

@@ -416,6 +416,96 @@ module.exports.nockEthLikeRecovery = function (bitgo, nockData = nockEthData) {
   });
 };
 
+module.exports.nockVetRecovery = function (bitgo, baseAddress) {
+  // nock for account balance
+  const url = Environments[bitgo.getEnv()].vetNodeUrl;
+  nock(url).get(`/accounts/${baseAddress}`).reply(200, {
+    balance: '0x8ac7230489e80000',
+    energy: '0x5969b539627800',
+    hasCode: false,
+  });
+
+  nock(url).get('/blocks/best').reply(200, {
+    number: 23107826,
+    id: '0x016098f2a6779c3ad2bb52ef0a3f57c770af55a77bfa1b2837266f752118ad8d',
+    size: 368,
+    parentID: '0x016098f1acffb0125ffeca9b3e2491d31574d14b55a15e912e45e8081e063e0e',
+    timestamp: 1761116630,
+    gasLimit: 40000000,
+    beneficiary: '0xae99cb89767a09d53e589a40cb4016974aba4b94',
+    gasUsed: 0,
+    totalScore: 218523577,
+    txsRoot: '0x45b0cfc220ceec5b7c1c62c4d4193d38e4eba48e8815729ce75f9c0ab0e4c1c0',
+    txsFeatures: 1,
+    stateRoot: '0x7a5e7b3b8b89958e7fdd5e14acbc79dbc419672e84d02376a43b3beebe555e33',
+    receiptsRoot: '0x45b0cfc220ceec5b7c1c62c4d4193d38e4eba48e8815729ce75f9c0ab0e4c1c0',
+    com: true,
+    signer: '0xae99cb89767a09d53e589a40cb4016974aba4b94',
+    isTrunk: true,
+    isFinalized: false,
+    baseFeePerGas: '0x9184e72a000',
+    transactions: [],
+  });
+
+  nock(url)
+    .post('/accounts/*', {
+      clauses: [
+        {
+          to: '0xac05da78464520aa7c9d4c19bd7a440b111b3054',
+          value: '10000000000000000000',
+          data: '0x',
+        },
+      ],
+      caller: `${baseAddress}`,
+    })
+    .reply(200, [
+      {
+        data: '0x',
+        events: [],
+        transfers: [
+          {
+            sender: `${baseAddress}`,
+            recipient: '0xac05da78464520aa7c9d4c19bd7a440b111b3054',
+            amount: '0x8ac7230489e80000',
+          },
+        ],
+        gasUsed: 0,
+        reverted: false,
+        vmError: '',
+      },
+    ]);
+  // nock for vtho balance for gas
+  nock(url)
+    .post('/accounts/*', {
+      clauses: [
+        {
+          to: '0x0000000000000000000000000000456E65726779',
+          value: '0x0',
+          data: `0x70a08231000000000000000000000000${baseAddress.slice(2)}`,
+        },
+      ],
+    })
+    .reply(200, [
+      {
+        data: '0x000000000000000000000000000000000000000000000007e982789f8fe0cf0a',
+        events: [],
+        transfers: [],
+        gasUsed: 870,
+        reverted: false,
+        vmError: '',
+      },
+    ]);
+
+  nock(url)
+    .post('/transactions', {
+      raw: /^0x[0-9a-f]+$/i,
+    })
+    .reply(200, {
+      id: '0x' + 'a'.repeat(64), // A fake transaction ID
+      reverted: false,
+    });
+};
+
 module.exports.nockEtherscanRateLimitError = function () {
   const response = {
     status: '0',

modules/bitgo/test/v2/unit/recovery.ts

@@ -1457,4 +1457,48 @@ describe('Recovery:', function () {
       (output.txRequests[0].transactions[0].unsignedTx.parsedTx as { outputs: any[] }).should.have.property('outputs');
     });
   });
+
+  describe('RecoverVet', function () {
+    beforeEach(() => {
+      nock.cleanAll();
+    });
+    let recoveryParams;
+
+    it('should construct a recovery tx with MPCv2 TSS', async function () {
+      const basecoin = bitgo.coin('tvet');
+      const baseAddress = ethLikeDKLSKeycard.senderAddress;
+      recoveryNocks.nockVetRecovery(bitgo, baseAddress);
+      recoveryParams = {
+        userKey: ethLikeDKLSKeycard.userKey,
+        backupKey: ethLikeDKLSKeycard.backupKey,
+        walletContractAddress: baseAddress,
+        recoveryDestination: ethLikeDKLSKeycard.destinationAddress,
+        walletPassphrase: ethLikeDKLSKeycard.walletPassphrase,
+        isTss: true,
+      };
+
+      const recovery = await basecoin.recover(recoveryParams);
+
+      should.exist(recovery);
+      recovery.should.have.property('id');
+      recovery.should.have.property('tx');
+    });
+
+    it('should construct an unsigned sweep tx with TSS', async function () {
+      recoveryNocks.nockVetRecovery(bitgo, '0xad848d2c97a08b2cd5e7f28f76ecd45dd0f82e0e');
+      const basecoin = bitgo.coin('tvet');
+
+      const unsignedSweepRecoveryParams = {
+        bitgoKey:
+          '03f54983c529802697d9a2320ded23eb7f15118fcba01156356c2264f04d32b4caa77fcf8cf3f73547078e984f28787c4c1e694586214b609e45b6de9cc32ad6e5',
+        recoveryDestination: ethLikeDKLSKeycard.destinationAddress,
+      };
+
+      const recovery = await basecoin.recover(unsignedSweepRecoveryParams);
+      should.exist(recovery);
+      recovery.should.have.property('txHex');
+      recovery.should.have.property('coin');
+      recovery.coin.should.equal('tvet');
+    });
+  });
 });

modules/sdk-coin-vet/package.json

@@ -45,6 +45,7 @@
     "@bitgo/sdk-core": "^36.15.0",
     "@bitgo/secp256k1": "^1.6.0",
     "@bitgo/statics": "^58.7.0",
+    "@bitgo/sdk-lib-mpc": "^10.8.1",
     "@noble/curves": "1.8.1",
     "@vechain/sdk-core": "^1.2.0-rc.3",
     "bignumber.js": "^9.1.1",

modules/sdk-coin-vet/src/lib/constants.ts

@@ -15,3 +15,9 @@ export const STARGATE_DELEGATION_ADDRESS = '0x4cb1c9ef05b529c093371264fab2c93cc6
 
 export const STARGATE_NFT_ADDRESS_TESTNET = '0x1ec1d168574603ec35b9d229843b7c2b44bcb770';
 export const STARGATE_DELEGATION_ADDRESS_TESTNET = '0x7240e3bc0d26431512d5b67dbd26d199205bffe8';
+
+export const AVG_GAS_UNITS = '21000';
+export const EXPIRATION = 400;
+export const GAS_PRICE_COEF = '128';
+export const GAS_UNIT_PRICE = '10000000000000'; // vechain has fixed gas unit price of 10^13 wei
+export const COEF_DIVISOR = '255';

modules/sdk-coin-vet/src/lib/transaction/transaction.ts

@@ -32,6 +32,7 @@ export class Transaction extends BaseTransaction {
   private _senderSignature: Buffer | null;
   private _feePayerAddress: string;
   private _feePayerSignature: Buffer | null;
+  private _isRecovery: boolean;
 
   constructor(_coinConfig: Readonly<CoinConfig>) {
     super(_coinConfig);
@@ -47,6 +48,7 @@ export class Transaction extends BaseTransaction {
     this._recipients = [];
     this._senderSignature = null;
     this._feePayerSignature = null;
+    this._isRecovery = false;
   }
 
   public get id(): string {
@@ -198,6 +200,14 @@ export class Transaction extends BaseTransaction {
     this._transactionData = transactionData;
   }
 
+  get isRecovery(): boolean {
+    return this._isRecovery;
+  }
+
+  set isRecovery(isRecovery: boolean) {
+    this._isRecovery = isRecovery;
+  }
+
   /**
    * Get all signatures associated with this transaction
    * Required by BaseTransaction
@@ -337,6 +347,9 @@ export class Transaction extends BaseTransaction {
       if (halfSignedTransaction.signature) {
         this._rawTransaction = halfSignedTransaction;
         this._sender = halfSignedTransaction.origin.toString().toLowerCase();
+        if (this.isRecovery) {
+          this._id = halfSignedTransaction.id.toString();
+        }
       } else {
         return;
       }
@@ -372,7 +385,7 @@ export class Transaction extends BaseTransaction {
     };
 
     if (
-      this.type === TransactionType.Send ||
+      (this.type === TransactionType.Send && !this.isRecovery) ||
       this.type === TransactionType.SendToken ||
       this.type === TransactionType.SendNFT ||
       this.type === TransactionType.ContractCall ||

modules/sdk-coin-vet/src/lib/transactionBuilder/transactionBuilder.ts

@@ -45,6 +45,11 @@ export abstract class TransactionBuilder extends BaseTransactionBuilder {
     return this;
   }
 
+  isRecovery(isRecovery: boolean): this {
+    this._transaction.isRecovery = isRecovery;
+    return this;
+  }
+
   /**
    * Sets the sender of this transaction.
    *

modules/sdk-coin-vet/src/lib/types.ts

@@ -15,3 +15,22 @@ export interface ClaimRewardsData {
   claimBaseRewards?: boolean;
   claimStakingRewards?: boolean;
 }
+
+export type RecoverOptions = {
+  userKey?: string;
+  backupKey?: string;
+  walletPassphrase?: string;
+  recoveryDestination: string;
+  isUnsignedSweep?: boolean; // specify if this is an unsigned recovery
+  bitgoKey?: string;
+};
+
+export interface RecoveryTransaction {
+  id: string;
+  tx: string;
+}
+
+export interface UnsignedSweepRecoveryTransaction {
+  txHex: string;
+  coin: string;
+}