Merge pull request #7392 from BitGo/COIN-5952

fix(sdk-coin-ton): build tx using tx builder factory in verifyTransaction

Author: MohammedRyaan786

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

@@ -35,9 +35,8 @@ import {
 import { auditEddsaPrivateKey, getDerivationPath } from '@bitgo/sdk-lib-mpc';
 import { BaseCoin as StaticsBaseCoin, coins } from '@bitgo/statics';
 import { KeyPair as TonKeyPair } from './lib/keyPair';
-import { Transaction, TransactionBuilderFactory, Utils, TransferBuilder } from './lib';
+import { TransactionBuilderFactory, Utils, TransferBuilder } from './lib';
 import { getFeeEstimate } from './lib/utils';
-import { TokenTransaction } from './lib/tokenTransaction';
 
 export interface TonParseTransactionOptions extends ParseTransactionOptions {
   txHex: string;
@@ -114,16 +113,15 @@ export class Ton extends BaseCoin {
   }
 
   async verifyTransaction(params: VerifyTransactionOptions): Promise<boolean> {
-    const coinConfig = coins.get(this.getChain());
     const { txPrebuild: txPrebuild, txParams: txParams } = params;
-
-    const transaction = coinConfig.isToken ? new TokenTransaction(coinConfig) : new Transaction(coinConfig);
     const rawTx = txPrebuild.txHex;
     if (!rawTx) {
       throw new Error('missing required tx prebuild property txHex');
     }
 
-    transaction.fromRawTransaction(Buffer.from(rawTx, 'hex').toString('base64'));
+    const txBuilder = this.getBuilder().from(Buffer.from(rawTx, 'hex').toString('base64'));
+    const transaction = await txBuilder.build();
+
     const explainedTx = transaction.explainTransaction();
     if (txParams.recipients !== undefined) {
       const filteredRecipients = txParams.recipients?.map((recipient) => {