resolved the conflicts

src/main/java/com/billpaymentservice/bbps/dto/auth/LoginRequest.java

@@ -8,10 +8,11 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
-@Getter
-@Setter
+
 @AllArgsConstructor
 @NoArgsConstructor
+@Getter
+@Setter
 public class LoginRequest {
 
 	@NotNull(message = "Mobile number cannot be null.")

src/main/java/com/billpaymentservice/bbps/dto/auth/VerifyOtpRequest.java

@@ -24,5 +24,5 @@ public class VerifyOtpRequest {
 	@Pattern(regexp = "^[0-9]{6}$", message = "OTP must contain only 6 digits.")
 	private String otp;
 
-	
+
 }

src/main/java/com/billpaymentservice/bbps/dto/response/PaymentStartWithTransactionDto.java

@@ -0,0 +1,17 @@
+package com.billpaymentservice.bbps.dto.response;
+
+import com.billpaymentservice.bbps.entites.PaymentStartRecord;
+import com.billpaymentservice.bbps.entites.TransactionMaster;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class PaymentStartWithTransactionDto {
+    private PaymentStartRecord paymentStartRecord;
+    private TransactionMaster transactionMaster;
+}

src/main/java/com/billpaymentservice/bbps/entites/Auditable.java

@@ -1,7 +1,6 @@
 package com.billpaymentservice.bbps.entites;
 
 import java.io.Serializable;
-import java.time.LocalDateTime;
 import java.util.Date;
 
 import jakarta.persistence.Column;
@@ -11,33 +10,34 @@ import lombok.Getter;
 import lombok.Setter;
 
 /**
- * Base mapped superclass for audit fields. All JPA entities should extend this to
- * get automatic population of createdAt/updatedAt/isDeleted via AuditListener.
+ * Base mapped superclass for audit fields. All JPA entities should extend this
+ * to get automatic population of createdAt/updatedAt/isDeleted via
+ * AuditListener.
  */
 @MappedSuperclass
 @EntityListeners(AuditListener.class)
 @Getter
 @Setter
 public abstract class Auditable implements Serializable {
-	  @Column(name = "create_date_time")
-	    private Date createDateTime;
+	@Column(name = "create_date_time")
+	private Date createDateTime;
 
-	    @Column(name = "updated_date_time")
-	    private Date updatedDateTime;
+	@Column(name = "updated_date_time")
+	private Date updatedDateTime;
 
-	    @Column(name = "create_by")
-	    private String createdBy;
+	@Column(name = "create_by")
+	private String createdBy;
 
-	    @Column(name = "updated_by")
-	    private String updatedBy;
+	@Column(name = "updated_by")
+	private String updatedBy;
 
-	    @Column(name = "created_epoch_date")
-	    private Long createdEpochDate;
+	@Column(name = "created_epoch_date")
+	private Long createdEpochDate;
 
-	    @Column(name = "modified_epoch_date")
-	    private Long modifiedEpochDate;
+	@Column(name = "modified_epoch_date")
+	private Long modifiedEpochDate;
+
+	@Column(name = "is_deleted")
+	private Boolean isDeleted = Boolean.FALSE;
 
-	    @Column(name = "is_deleted")
-	    private Boolean isDeleted = Boolean.FALSE;
-	    
 }

src/main/java/com/billpaymentservice/bbps/entites/BillMaster.java

@@ -52,6 +52,4 @@ public class BillMaster extends Auditable {
 	private List<AdditionalInfoBill> additionalInfo;
 	@OneToMany(mappedBy = "billMaster", cascade = CascadeType.ALL)
 	private List<CustomerParamBill> customerParams;
-
-	// getters and setters
 }

src/main/java/com/billpaymentservice/bbps/entites/ComplaintResponseEntity.java

@@ -77,6 +77,9 @@ public class ComplaintResponseEntity extends Auditable {
 	@Column(name = "user_id")
 	private String userId;
 
+	@Column(name = "mid")
+	private String mid;
+
 	@OneToMany(fetch = FetchType.LAZY)
 	@JoinColumn(name = "ticket_id", referencedColumnName = "ticket_id", insertable = false, updatable = false)
 	private Set<ComplainStatus> complaintStatusList = new HashSet<>();

src/main/java/com/billpaymentservice/bbps/entites/PaymentStartRecord.java

@@ -30,7 +30,7 @@ public class PaymentStartRecord extends Auditable {
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	private Long id;
     
-  @Column(name = "request_id", unique = true, nullable = false)
+   @Column(name = "request_id", unique = true, nullable = false)
    private String requestId;
    @Column(name = "client_mid", nullable = false)
    private String clientMid;
@@ -47,9 +47,12 @@ public class PaymentStartRecord extends Auditable {
 	@Column(name = "amount", nullable = false)
 	private String amount;
 
-	@Column(name = "txn_id")
+	@Column(name = "txn_id",unique = true)
 	private String txnId;
 
+	@Column(name = "qr_string", columnDefinition = "TEXT")
+	private String qrString;
+
 	@Column(name = "callback_status")
 	private String callbackStatus;
 

src/main/java/com/billpaymentservice/bbps/entites/TransactionMaster.java

@@ -39,7 +39,7 @@ public class TransactionMaster extends Auditable {
     @Column(name = "bank_txn_id",unique = true)
     private String bankTxnId;
 
-    @Column(name = "txn_id")
+    @Column(name = "txn_id",unique = true)
     private String txnId;
 
     @Column(name = "initiator_txn_id")

src/main/java/com/billpaymentservice/bbps/serviceImpl/ComplainServiceImpl.java

@@ -197,7 +197,7 @@ public class ComplainServiceImpl implements ComplainService {
 			ComplaintResponse responseWrapper = objectMapper.convertValue(dataMap, ComplaintResponse.class);
 
 			String saveComplaintResponseEntity = mapperHelper.saveComplaintResponseEntity(responseWrapper, requestId,
-					txnId, userId, requestTxnId);
+					txnId, userId, requestTxnId, mid);
 			LOGGER.info("Save Complaint Response Count" + saveComplaintResponseEntity);
 			ResponseModel responseModel = new ResponseModel(responseWrapper.getMessage(), responseWrapper.getStatus(),
 					Integer.parseInt(responseWrapper.getStatusCode()), responseWrapper);

src/main/java/com/billpaymentservice/bbps/serviceImpl/PaymentStartServiceImpl.java

@@ -402,7 +402,7 @@ public class PaymentStartServiceImpl implements PaymentStartService {
 
          record.setSignature(signature);
          record.setTxnStatus(txnStatus);
-         record.setCallbackReceivedOn(java.time.LocalDateTime.now().toString());
+         record.setCallbackReceivedOn(LocalDateTime.now().toString());
 
          String merchantStatus;
          if (!signatureMatches) {

src/main/java/com/billpaymentservice/bbps/util/BillerMapperHelper.java

@@ -1094,38 +1094,7 @@ public class BillerMapperHelper {
 		}
 	}
 
-	// Persist complaint response entity
-	public String saveComplaintResponseEntity(ComplaintResponse responseWrapper, String requestId, String txnId,
-			String userId, String requestTxnId) {
-		if (responseWrapper == null || responseWrapper.getTicketDetails() == null) {
-			return "No data";
-		}
-		ComplaintResponseEntity complaintResponseEntity = new ComplaintResponseEntity();
-		complaintResponseEntity.setRefId(responseWrapper.getTicketDetails().getRefId());
-		complaintResponseEntity.setTxnNpciId(responseWrapper.getTicketDetails().getTxnNpciId());
-		complaintResponseEntity.setTicketId(responseWrapper.getTicketDetails().getTicketId());
-		complaintResponseEntity.setTicketType(responseWrapper.getTicketDetails().getTicketType());
-		complaintResponseEntity.setTicketNpciId(responseWrapper.getTicketDetails().getTicketNpciId());
-		complaintResponseEntity.setTicketDesp(responseWrapper.getTicketDetails().getTicketDesp());
-		complaintResponseEntity.setTicketDesr(responseWrapper.getTicketDetails().getTicketDesr());
-		complaintResponseEntity.setRequestTxnId(requestTxnId);
-
-		complaintResponseEntity.setMessage(responseWrapper.getMessage());
-		complaintResponseEntity.setRemarks(responseWrapper.getRemarks());
-		complaintResponseEntity.setStatus(responseWrapper.getStatus());
-		complaintResponseEntity.setStatusCode(responseWrapper.getStatusCode());
-
-		complaintResponseEntity.setReqId(requestId);
-		complaintResponseEntity.setTxnId(txnId);
-		complaintResponseEntity.setUserId(userId);
-		complaintResponseEntity.setComplaintTicketId(generateComplaintTicketId());
-
-		ComplaintResponseEntity saved = complaintResponseRepository.save(complaintResponseEntity);
-		if (saved != null) {
-			return "1 record saved with id=" + saved.getId();
-		}
-		return "Failed to save";
-	}
+	
 
 	private String generateComplaintTicketId() {
 		return "CMP-" + UUID.randomUUID().toString();
@@ -1150,7 +1119,39 @@ public class BillerMapperHelper {
 		f.setRemitterIdentity(req.getRemitterIdentity());
 		return f;
 	}
+	public String saveComplaintResponseEntity(ComplaintResponse responseWrapper, String requestId, String txnId,
+			String userId, String requestTxnId, String mid) {
+		if (responseWrapper == null || responseWrapper.getTicketDetails() == null) {
+			return "No data";
+		}
+		ComplaintResponseEntity complaintResponseEntity = new ComplaintResponseEntity();
+		complaintResponseEntity.setRefId(responseWrapper.getTicketDetails().getRefId());
+		complaintResponseEntity.setTxnNpciId(responseWrapper.getTicketDetails().getTxnNpciId());
+		complaintResponseEntity.setTicketId(responseWrapper.getTicketDetails().getTicketId());
+		complaintResponseEntity.setTicketType(responseWrapper.getTicketDetails().getTicketType());
+		complaintResponseEntity.setTicketNpciId(responseWrapper.getTicketDetails().getTicketNpciId());
+		complaintResponseEntity.setTicketDesp(responseWrapper.getTicketDetails().getTicketDesp());
+		complaintResponseEntity.setTicketDesr(responseWrapper.getTicketDetails().getTicketDesr());
+		complaintResponseEntity.setRequestTxnId(requestTxnId);
+		complaintResponseEntity.setMid(mid);
+		complaintResponseEntity.setCreateDateTime(new Date());
 
+		complaintResponseEntity.setMessage(responseWrapper.getMessage());
+		complaintResponseEntity.setRemarks(responseWrapper.getRemarks());
+		complaintResponseEntity.setStatus(responseWrapper.getStatus());
+		complaintResponseEntity.setStatusCode(responseWrapper.getStatusCode());
+
+		complaintResponseEntity.setReqId(requestId);
+		complaintResponseEntity.setTxnId(txnId);
+		complaintResponseEntity.setUserId(userId);
+		complaintResponseEntity.setComplaintTicketId(generateComplaintTicketId());
+
+		ComplaintResponseEntity saved = complaintResponseRepository.save(complaintResponseEntity);
+		if (saved != null) {
+			return "1 record saved with id=" + saved.getId();
+		}
+		return "Failed to save";
+	}
 	public com.billpaymentservice.bbps.dto.sentRequest.FetchBillValidatestForwardRequest fetchBillValidatestForwardRequest(
 			com.billpaymentservice.bbps.dto.request.FetchBillValidatestRequest req) {
 		if (req == null)
@@ -1280,4 +1281,4 @@ public class BillerMapperHelper {
 
 		return dto;
 	}
-}
+}