completed initial scaffolding for services

src/main/java/zw/qantra/tm/domain/models/Transaction.java

@@ -1,10 +1,14 @@
 package zw.qantra.tm.domain.models;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
 import jakarta.persistence.*;
 import lombok.*;
+import zw.qantra.tm.domain.enums.CurrencyType;
 import zw.qantra.tm.domain.enums.RequestType;
+import zw.qantra.tm.domain.enums.Status;
 
 import java.math.BigDecimal;
+import java.util.List;
 import java.util.UUID;
 
 @Entity
@@ -13,6 +17,7 @@ import java.util.UUID;
 @Builder
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public class Transaction {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
@@ -20,6 +25,10 @@ public class Transaction {
 
     private String trace;
     private BigDecimal amount;
+    private BigDecimal charge;
+    private BigDecimal gatewayCharge;
+    private BigDecimal tax;
+    private BigDecimal totalAmount;
     private String reference;
     private String providerUid;
     private String productUid;
@@ -30,13 +39,13 @@ public class Transaction {
     private String channel;
     private String debitPhone;
     private String debitAccount;
-    private String debitCurrency;
+    private CurrencyType debitCurrency;
     private String debitName;
     private String debitCard;
     private String debitRef;
     private String creditPhone;
     private String creditAccount;
-    private String creditCurrency;
+    private CurrencyType creditCurrency;
     private String creditName;
     private String creditCard;
     private String creditRef;
@@ -46,4 +55,11 @@ public class Transaction {
     private String billName;
     private String billProductName;
     private RequestType type;
+    
+    private String errorMessage;
+    private String responseCode;
+    private Status status;
+    @Transient
+    private List<Object> additionalData;
+
 }