fix(sdk-coin-vet): add prefix for validator address

Ticket: SC-4444

Author: Gautam2305

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

@@ -194,7 +194,7 @@ export class Utils implements BaseUtils {
 
       return {
         tokenId: String(decoded[0]),
-        validator: String(decoded[1]),
+        validator: addHexPrefix(decoded[1].toString()).toLowerCase(),
       };
     } catch (error) {
       throw new Error(`Failed to decode delegation data: ${error.message}`);

modules/sdk-coin-vet/test/resources/vet.ts

@@ -215,3 +215,8 @@ export const SERIALIZED_SIGNED_FLUSH_TOKEN_TX =
 
 export const VALID_NFT_CONTRACT_DATA =
   '0x23b872dd0000000000000000000000007ca00e3bc8a836026c2917c6c7c6d049e52099dd000000000000000000000000e59f1cea4e0fef511e3d0f4eec44adf19c4cbeec00000000000000000000000000000000000000000000000000000000000004d2';
+
+export const DELEGATE_CLAUSE_DATA =
+  '0x08bbb8240000000000000000000000000000000000000000000000000000000000003d45000000000000000000000000ae99cb89767a09d53e589a40cb4016974aba4b94';
+export const DELEGATE_TOKEN_ID = '15685';
+export const DELEGATE_VALIDATOR = '0xae99cb89767a09d53e589a40cb4016974aba4b94';

modules/sdk-coin-vet/test/transactionBuilder/delegateClauseTxnBuilder.ts

@@ -5,6 +5,7 @@ import { DELEGATE_CLAUSE_METHOD_ID, STARGATE_CONTRACT_ADDRESS_TESTNET } from '..
 import EthereumAbi from 'ethereumjs-abi';
 import * as testData from '../resources/vet';
 import { BN } from 'ethereumjs-util';
+import utils from '../../src/lib/utils';
 
 describe('VET Delegation Transaction', function () {
   const factory = new TransactionBuilderFactory(coins.get('tvet'));
@@ -169,4 +170,15 @@ describe('VET Delegation Transaction', function () {
       toJson.validatorAddress?.should.equal('00563ec3cafbbe7e60b04b3190e6eca66579706d');
     });
   });
+
+  describe('decodeDelegateClauseData', function () {
+    it('should correctly decode delegate transaction data with proper address formatting', function () {
+      const decodedData = utils.decodeDelegateClauseData(testData.DELEGATE_CLAUSE_DATA);
+
+      decodedData.tokenId.should.equal(testData.DELEGATE_TOKEN_ID);
+      decodedData.validator.should.equal(testData.DELEGATE_VALIDATOR);
+      decodedData.validator.should.startWith('0x');
+      decodedData.validator.should.equal(decodedData.validator.toLowerCase());
+    });
+  });
 });