feat: addres verification for trx

modules/sdk-coin-trx/src/trx.ts

@@ -14,6 +14,7 @@ import {
   getIsKrsRecovery,
   getIsUnsignedSweep,
   KeyPair,
+  KeyIndices,
   MethodNotImplementedError,
   ParsedTransaction,
   ParseTransactionOptions,
@@ -29,8 +30,9 @@ import {
   MultisigType,
   multisigTypes,
   AuditDecryptedKeyParams,
+  AddressCoinSpecific,
 } from '@bitgo/sdk-core';
-import { Interface, Utils, WrappedBuilder } from './lib';
+import { Interface, Utils, WrappedBuilder, KeyPair as TronKeyPair } from './lib';
 import { ValueFields, TransactionReceipt } from './lib/iface';
 import { getBuilder } from './lib/builder';
 import { isInteger, isUndefined } from 'lodash';
@@ -129,6 +131,25 @@ export interface AccountResponse {
   data: [Interface.AccountInfo];
 }
 
+export interface TrxVerifyAddressOptions extends VerifyAddressOptions {
+  index?: number | string;
+  chain?: number;
+  coinSpecific?: AddressCoinSpecific & {
+    index?: number | string;
+    chain?: number;
+  };
+}
+
+function isTrxVerifyAddressOptions(params: VerifyAddressOptions): params is TrxVerifyAddressOptions {
+  return (
+    'index' in params ||
+    'chain' in params ||
+    ('coinSpecific' in params &&
+      params.coinSpecific !== undefined &&
+      ('index' in params.coinSpecific || 'chain' in params.coinSpecific))
+  );
+}
+
 export class Trx extends BaseCoin {
   protected readonly _staticsCoin: Readonly<StaticsBaseCoin>;
 
@@ -246,7 +267,73 @@ export class Trx extends BaseCoin {
   }
 
   async isWalletAddress(params: VerifyAddressOptions): Promise<boolean> {
-    throw new MethodNotImplementedError();
+    const { address, keychains } = params;
+
+    if (!isTrxVerifyAddressOptions(params)) {
+      throw new Error('Invalid or missing index for address verification');
+    }
+
+    const rawIndex = params.index ?? params.coinSpecific?.index;
+    const index = Number(rawIndex);
+    if (isNaN(index)) {
+      throw new Error('Invalid index. index must be a number.');
+    }
+
+    const chain = Number(params.chain ?? params.coinSpecific?.chain ?? 0);
+
+    if (!this.isValidAddress(address)) {
+      throw new Error(`Invalid address: ${address}`);
+    }
+
+    // Root address verification (Index 0)
+    if (index === 0) {
+      const bitgoPub = keychains && keychains.length > KeyIndices.BITGO ? keychains[KeyIndices.BITGO].pub : undefined;
+      if (!bitgoPub) {
+        throw new Error('BitGo public key required for root address verification');
+      }
+      return this.verifyRootAddress(address, bitgoPub);
+    }
+
+    // Receive address verification (Index > 0)
+    if (index > 0) {
+      const userPub = keychains && keychains.length > KeyIndices.USER ? keychains[KeyIndices.USER].pub : undefined;
+      if (!userPub) {
+        throw new Error('User public key required for receive address verification');
+      }
+      return this.verifyReceiveAddress(address, userPub, index, chain);
+    }
+
+    throw new Error('Invalid index for address verification');
+  }
+
+  /**
+   * Cryptographically verify that an address is the root address derived from BitGo's public key
+   */
+  private verifyRootAddress(address: string, bitgoPub: string): boolean {
+    if (!this.isValidXpub(bitgoPub)) {
+      throw new Error('Invalid bitgo public key');
+    }
+    const uncompressedPub = this.xpubToUncompressedPub(bitgoPub);
+    const byteArrayAddr = Utils.getByteArrayFromHexAddress(uncompressedPub);
+    const rawAddress = Utils.getRawAddressFromPubKey(byteArrayAddr);
+    const derivedAddress = Utils.getBase58AddressFromByteArray(rawAddress);
+    return derivedAddress === address;
+  }
+
+  /**
+   * Cryptographically verify that an address is a receive address derived from user's key
+   */
+  private verifyReceiveAddress(address: string, userPub: string, index: number, chain: number): boolean {
+    if (!this.isValidXpub(userPub)) {
+      throw new Error('Invalid user public key');
+    }
+    const derivationPath = `0/0/${chain}/${index}`;
+    const parentKey = bip32.fromBase58(userPub);
+    const childKey = parentKey.derivePath(derivationPath);
+    const derivedPubKeyHex = childKey.publicKey.toString('hex');
+    const keypair = new TronKeyPair({ pub: derivedPubKeyHex });
+    const derivedAddress = keypair.getAddress();
+    return derivedAddress === address;
   }
 
   async verifyTransaction(params: VerifyTransactionOptions): Promise<boolean> {

modules/sdk-coin-trx/test/unit/trx.ts

@@ -21,6 +21,27 @@ describe('TRON:', function () {
 
   let basecoin;
 
+  // Test data from wallet 693b011a3ec26986f569b02140c7627e
+  const testWalletData = {
+    rootAddress: 'TAf36b36eqoMCzJJm3jwSsP81UvkMxrPbi',
+    receiveAddress: 'TFaD6DeKFMcBuGuDD7LbbqxTnKunhXfdya',
+    receiveAddressIndex: 2,
+    keychains: [
+      {
+        id: '693b0110271fc3f5749754097793bb8d',
+        pub: 'xpub661MyMwAqRbcFsVAdZyN2m8p21WHXg8NRNkqKApyS5gwmFsPdRTrmHYCnzR9vYe8DQ4uWGCBcAAsWE3r97HsFS3K2faZ2ejXNhHxdEoAEWC',
+      },
+      {
+        id: '693b011065b9c4674825ce1f849b7bef',
+        pub: 'xpub661MyMwAqRbcErKpZr9ztTFJk6fzXWatMFgRnpXfsjybWBfE9847EVGrHHBsGP8fcnzJmJuevAbPUEpjHTjEEWfYUWNMEDahvssQein848o',
+      },
+      {
+        id: '693b01117c41846abb04818815b89b6c',
+        pub: 'xpub661MyMwAqRbcFqZd7XU9DFW4f29VJzQt7UCA51ypaWa5ymhQ2pRZDTgViw3vZ56PqZ8dj1cracN3fAWhaiG1QKj9mvyt9Cba4nM2tPibNKw',
+      },
+    ],
+  };
+
   before(function () {
     basecoin = bitgo.coin('ttrx');
   });
@@ -612,4 +633,113 @@ describe('TRON:', function () {
       assert.equal(Utils.getBase58AddressFromHex(value1.to_address), TestRecoverData.baseAddress);
     });
   });
+
+  describe('isWalletAddress', () => {
+    it('should verify root address (index 0)', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.rootAddress,
+        keychains: testWalletData.keychains,
+        index: 0,
+      });
+      assert.equal(result, true);
+    });
+
+    it('should verify receive address (index > 0)', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.receiveAddress,
+        keychains: testWalletData.keychains,
+        index: testWalletData.receiveAddressIndex,
+        chain: 0,
+      });
+      assert.equal(result, true);
+    });
+
+    it('should verify address with index in coinSpecific', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.rootAddress,
+        keychains: testWalletData.keychains,
+        coinSpecific: { index: 0 },
+      });
+      assert.equal(result, true);
+    });
+
+    it('should verify address with string index', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.rootAddress,
+        keychains: testWalletData.keychains,
+        index: '0',
+      });
+      assert.equal(result, true);
+    });
+
+    it('should return false for wrong address at index 0', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.receiveAddress, // wrong address for index 0
+        keychains: testWalletData.keychains,
+        index: 0,
+      });
+      assert.equal(result, false);
+    });
+
+    it('should return false for wrong address at receive index', async function () {
+      const result = await basecoin.isWalletAddress({
+        address: testWalletData.rootAddress, // wrong address for index 1
+        keychains: testWalletData.keychains,
+        index: testWalletData.receiveAddressIndex,
+        chain: 0,
+      });
+      assert.equal(result, false);
+    });
+
+    it('should throw for invalid address', async function () {
+      await assert.rejects(
+        basecoin.isWalletAddress({
+          address: 'invalid-address',
+          keychains: testWalletData.keychains,
+          index: 0,
+        }),
+        {
+          message: 'Invalid address: invalid-address',
+        }
+      );
+    });
+
+    it('should throw for missing index', async function () {
+      await assert.rejects(
+        basecoin.isWalletAddress({
+          address: testWalletData.rootAddress,
+          keychains: testWalletData.keychains,
+        }),
+        {
+          message: 'Invalid or missing index for address verification',
+        }
+      );
+    });
+
+    it('should throw for missing bitgo key on root address verification', async function () {
+      await assert.rejects(
+        basecoin.isWalletAddress({
+          address: testWalletData.rootAddress,
+          keychains: testWalletData.keychains.slice(0, 2), // only user and backup keys
+          index: 0,
+        }),
+        {
+          message: 'BitGo public key required for root address verification',
+        }
+      );
+    });
+
+    it('should throw for missing user key on receive address verification', async function () {
+      await assert.rejects(
+        basecoin.isWalletAddress({
+          address: testWalletData.receiveAddress,
+          keychains: [], // no keys
+          index: testWalletData.receiveAddressIndex,
+        }),
+        {
+          message: 'User public key required for receive address verification',
+        }
+      );
+    });
+  });
 });