Implement queryTransactionsByAccount method in MirrorNodeClientImpl

Author: belloibrahv

hedera-spring/src/main/java/com/openelements/hedera/spring/implementation/MirrorNodeClientImpl.java

@@ -1,15 +1,5 @@
 package com.openelements.hedera.spring.implementation;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.hedera.hashgraph.sdk.AccountId;
-import com.hedera.hashgraph.sdk.TokenId;
-import com.openelements.hedera.base.HederaException;
-import com.openelements.hedera.base.Nft;
-import com.openelements.hedera.base.mirrornode.MirrorNodeClient;
-import com.openelements.hedera.base.mirrornode.Page;
-import com.openelements.hedera.base.mirrornode.TransactionInfo;
 import java.io.IOException;
 import java.net.URI;
 import java.util.List;
@@ -20,6 +10,7 @@
 import java.util.Spliterators;
 import java.util.function.Function;
 import java.util.stream.StreamSupport;
+
 import org.jspecify.annotations.NonNull;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.HttpStatusCode;
@@ -28,6 +19,17 @@
 import org.springframework.web.client.RestClient;
 import org.springframework.web.util.UriBuilder;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.hedera.hashgraph.sdk.AccountId;
+import com.hedera.hashgraph.sdk.TokenId;
+import com.openelements.hedera.base.HederaException;
+import com.openelements.hedera.base.Nft;
+import com.openelements.hedera.base.mirrornode.MirrorNodeClient;
+import com.openelements.hedera.base.mirrornode.Page;
+import com.openelements.hedera.base.mirrornode.TransactionInfo;
+
 public class MirrorNodeClientImpl implements MirrorNodeClient {
 
     private final ObjectMapper objectMapper;
@@ -88,6 +90,14 @@ public Optional<Nft> queryNftsByAccountAndTokenIdAndSerial(@NonNull final Accoun
                 .filter(nft -> Objects.equals(nft.owner(), accountId));
     }
 
+    @Override
+    public Page<TransactionInfo> queryTransactionsByAccount(@NonNull final AccountId accountId) throws HederaException {
+        Objects.requireNonNull(accountId, "accountId must not be null");
+        final String path = "/api/v1/transactions?account.id=" + accountId.toString();
+        final Function<JsonNode, List<TransactionInfo>> dataExtractionFunction = this::extractTransactionInfoFromJsonNode;
+        return new RestBasedPage<>(objectMapper, restClient.mutate().clone(), path, dataExtractionFunction);
+    }
+
     @Override
     public Optional<TransactionInfo> queryTransaction(@NonNull final String transactionId) throws HederaException {
         Objects.requireNonNull(transactionId, "transactionId must not be null");
@@ -190,4 +200,23 @@ private List<Nft> getNfts(final JsonNode jsonNode) {
                     }
                 }).toList();
     }
+
+    private List<TransactionInfo> extractTransactionInfoFromJsonNode(JsonNode jsonNode) {
+        if (!jsonNode.has("transactions")) {
+            return List.of();
+        }
+        final JsonNode transactionsNode = jsonNode.get("transactions");
+        if (!transactionsNode.isArray()) {
+            throw new IllegalArgumentException("Transactions node is not an array: " + transactionsNode);
+        }
+        return StreamSupport.stream(Spliterators.spliteratorUnknownSize(transactionsNode.iterator(), Spliterator.ORDERED), false)
+                .map(transactionNode -> {
+                    try {
+                        final String transactionId = transactionNode.get("transaction_id").asText();
+                        return new TransactionInfo(transactionId);
+                    } catch (final Exception e) {
+                        throw new RuntimeException("Error parsing transaction from JSON '" + transactionNode + "'", e);
+                    }
+                }).toList();
+    } 
 }

hedera-spring/src/test/java/com/openelements/hedera/spring/test/NftRepositoryTests.java

@@ -1,24 +1,26 @@
 package com.openelements.hedera.spring.test;
 
-import com.hedera.hashgraph.sdk.AccountId;
-import com.hedera.hashgraph.sdk.PrivateKey;
-import com.hedera.hashgraph.sdk.TokenId;
-import com.openelements.hedera.base.Account;
-import com.openelements.hedera.base.AccountClient;
-import com.openelements.hedera.base.Nft;
-import com.openelements.hedera.base.NftClient;
-import com.openelements.hedera.base.NftRepository;
-import com.openelements.hedera.base.mirrornode.Page;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.IntStream;
+
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import com.hedera.hashgraph.sdk.AccountId;
+import com.hedera.hashgraph.sdk.PrivateKey;
+import com.hedera.hashgraph.sdk.TokenId;
+import com.openelements.hedera.base.Account;
+import com.openelements.hedera.base.AccountClient;
+import com.openelements.hedera.base.Nft;
+import com.openelements.hedera.base.NftClient;
+import com.openelements.hedera.base.NftRepository;
+import com.openelements.hedera.base.mirrornode.Page;
+
 @SpringBootTest(classes = TestConfig.class)
 public class NftRepositoryTests {