update code

src/main/java/com/billpaymentservice/bbps/repository/PaymentStartRecordRepository.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.repository;
 
+import java.util.Optional;
+
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
@@ -7,4 +9,7 @@ import com.billpaymentservice.bbps.entites.PaymentStartRecord;
 
 @Repository
 public interface PaymentStartRecordRepository extends JpaRepository<PaymentStartRecord, Long> {
-}
+    Optional<PaymentStartRecord> findByOrderNo(String orderNo);
+    Optional<PaymentStartRecord> findByTxnId(String txnId);
+    Optional<PaymentStartRecord> findByRequestId(String requestId);
+}