add stellar transfer transaction

src/main/java/onlydust/com/marketplace/kernel/model/blockchain/stellar/StellarTransaction.java

@@ -1,14 +1,24 @@
 package onlydust.com.marketplace.kernel.model.blockchain.stellar;
 
-import lombok.EqualsAndHashCode;
-import lombok.NonNull;
+import lombok.*;
+import lombok.experimental.Accessors;
+import lombok.experimental.FieldDefaults;
 import onlydust.com.marketplace.kernel.model.blockchain.Blockchain;
 import onlydust.com.marketplace.kernel.model.blockchain.Blockchain.Transaction;
 import onlydust.com.marketplace.kernel.model.blockchain.HexHash;
 
 import java.time.ZonedDateTime;
 
-public record StellarTransaction(Hash hash, ZonedDateTime timestamp, Status status) implements Transaction {
+@AllArgsConstructor
+@EqualsAndHashCode
+@FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE)
+@Getter
+@Accessors(fluent = true)
+public class StellarTransaction implements Transaction {
+    Hash hash;
+    ZonedDateTime timestamp;
+    Status status;
+
     @Override
     public Blockchain blockchain() {
         return Blockchain.STELLAR;

src/main/java/onlydust/com/marketplace/kernel/model/blockchain/stellar/StellarTransferTransaction.java

@@ -0,0 +1,49 @@
+package onlydust.com.marketplace.kernel.model.blockchain.stellar;
+
+import lombok.*;
+import lombok.experimental.Accessors;
+import lombok.experimental.FieldDefaults;
+import onlydust.com.marketplace.kernel.model.blockchain.Blockchain.TransferTransaction;
+
+import java.math.BigDecimal;
+import java.time.ZonedDateTime;
+import java.util.Optional;
+
+@EqualsAndHashCode(callSuper = true)
+@FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE)
+@Getter
+@Accessors(fluent = true)
+@ToString
+public class StellarTransferTransaction extends StellarTransaction implements TransferTransaction {
+    @NonNull
+    StellarAccountId sender;
+    @NonNull
+    StellarAccountId recipient;
+    @NonNull
+    BigDecimal amount;
+    StellarContractAddress contractAddress;
+
+    public StellarTransferTransaction(final @NonNull Hash hash, final @NonNull ZonedDateTime timestamp, final @NonNull Status status, final @NonNull StellarAccountId sender, final @NonNull StellarAccountId recipient, final @NonNull BigDecimal amount, final StellarContractAddress contractAddress) {
+        super(hash, timestamp, status);
+
+        this.sender = sender;
+        this.recipient = recipient;
+        this.amount = amount;
+        this.contractAddress = contractAddress;
+    }
+
+    @Override
+    public String senderAddress() {
+        return sender.toString();
+    }
+
+    @Override
+    public String recipientAddress() {
+        return recipient.toString();
+    }
+
+    @Override
+    public Optional<String> contractAddress() {
+        return Optional.ofNullable(contractAddress).map(StellarContractAddress::toString);
+    }
+}