Fix getAddress unhandled error in TransactionsService (#1621)

Fix viem getAddress unhandled error

src/routes/transactions/transactions.service.ts

@@ -1,4 +1,4 @@
-import { Inject, Injectable } from '@nestjs/common';
+import { BadRequestException, Inject, Injectable } from '@nestjs/common';
 import { MultisigTransaction as DomainMultisigTransaction } from '@/domain/safe/entities/multisig-transaction.entity';
 import { SafeRepository } from '@/domain/safe/safe.repository';
 import { ISafeRepository } from '@/domain/safe/safe.repository.interface';
@@ -35,7 +35,7 @@ import { TransactionPreviewMapper } from '@/routes/transactions/mappers/transact
 import { TransactionsHistoryMapper } from '@/routes/transactions/mappers/transactions-history.mapper';
 import { TransferDetailsMapper } from '@/routes/transactions/mappers/transfers/transfer-details.mapper';
 import { TransferMapper } from '@/routes/transactions/mappers/transfers/transfer.mapper';
-import { getAddress } from 'viem';
+import { getAddress, isAddress } from 'viem';
 
 @Injectable()
 export class TransactionsService {
@@ -70,6 +70,10 @@ export class TransactionsService {
       }
 
       case TRANSFER_PREFIX: {
+        if (!isAddress(safeAddress)) {
+          throw new BadRequestException('Invalid transaction ID');
+        }
+
         const [transfer, safe] = await Promise.all([
           this.safeRepository.getTransfer({
             chainId: args.chainId,
@@ -89,6 +93,10 @@ export class TransactionsService {
       }
 
       case MULTISIG_TRANSACTION_PREFIX: {
+        if (!isAddress(safeAddress)) {
+          throw new BadRequestException('Invalid transaction ID');
+        }
+
         const [tx, safe] = await Promise.all([
           this.safeRepository.getMultiSigTransaction({
             chainId: args.chainId,