fix(sdk-coin-iota): update verify transaction check in iota

Ticket: WIN-8054

TICKET: WIN-8054

Author: parasgarg-bitgo

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

@@ -14,6 +14,7 @@ import {
   MPCType,
   PopulatedIntent,
   PrebuildTransactionWithIntentOptions,
+  TransactionRecipient,
   verifyEddsaTssWalletAddress,
 } from '@bitgo/sdk-core';
 import { BaseCoin as StaticsBaseCoin, CoinFamily, coins } from '@bitgo/statics';
@@ -121,7 +122,21 @@ export class Iota extends BaseCoin {
         throw new Error('Tx not a transfer transaction');
       }
       const txData = transaction.toJson() as TransferTxData;
-      if (!txData.recipients || !_.isEqual(txParams.recipients, txData.recipients)) {
+
+      if (!txData.recipients) {
+        throw new Error('Tx recipients does not match with expected txParams recipients');
+      }
+
+      const normalizeRecipient = (recipient: TransactionRecipient) =>
+        _.pick(recipient, ['address', 'amount', 'tokenName']);
+      const txDataRecipients = txData.recipients.map(normalizeRecipient);
+      const txParamsRecipients = txParams.recipients.map(normalizeRecipient);
+
+      const allRecipientsMatch = txParamsRecipients.every((expectedRecipient) =>
+        txDataRecipients.some((actualRecipient) => _.isEqual(expectedRecipient, actualRecipient))
+      );
+
+      if (!allRecipientsMatch) {
         throw new Error('Tx recipients does not match with expected txParams recipients');
       }
     }

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

@@ -201,6 +201,34 @@ describe('IOTA:', function () {
         );
       });
 
+      it('should verify transaction with recipients containing extra fields', async function () {
+        // The verification should only compare address, amount, and tokenName
+        // Extra fields should be ignored
+        const txBuilder = factory.getTransferBuilder();
+        txBuilder.sender(testData.sender.address);
+        txBuilder.recipients(testData.recipients);
+        txBuilder.paymentObjects(testData.paymentObjects);
+        txBuilder.gasData(testData.gasData);
+
+        const tx = (await txBuilder.build()) as TransferTransaction;
+        const txHex = Buffer.from(await tx.toBroadcastFormat(), 'base64').toString('hex');
+
+        // Add extra fields to recipients that should be ignored during comparison
+        const recipientsWithExtraFields = testData.recipients.map((r) => ({
+          ...r,
+          extraField: 'should be ignored',
+          anotherField: 123,
+        }));
+
+        should.equal(
+          await basecoin.verifyTransaction({
+            txPrebuild: { txHex: txHex },
+            txParams: { recipients: recipientsWithExtraFields },
+          }),
+          true
+        );
+      });
+
       it('should detect mismatched recipients', async function () {
         const txBuilder = factory.getTransferBuilder();
         txBuilder.sender(testData.sender.address);
@@ -210,11 +238,20 @@ describe('IOTA:', function () {
 
         const tx = (await txBuilder.build()) as TransferTransaction;
         const txHex = Buffer.from(await tx.toBroadcastFormat(), 'base64').toString('hex');
-        assert.rejects(
+
+        // Create mismatched recipients with different addresses/amounts
+        const mismatchedRecipients = [
+          {
+            address: testData.addresses.validAddresses[2], // Different address
+            amount: '9999', // Different amount
+          },
+        ];
+
+        await assert.rejects(
           async () =>
             await basecoin.verifyTransaction({
               txPrebuild: { txHex: txHex },
-              txParams: { recipients: testData.recipients },
+              txParams: { recipients: mismatchedRecipients },
             }),
           /Tx recipients does not match with expected txParams recipients/
         );