feat(TCK): ContractByteCodeQuery implementation (#2630)

Signed-off-by: Mustafa Uzun <mustafa.uzun@limechain.tech>

Author: mustafauzunn

tck/src/main/java/com/hedera/hashgraph/tck/methods/sdk/ContractService.java

@@ -7,12 +7,14 @@
 import com.hedera.hashgraph.tck.annotation.JSONRPC2Method;
 import com.hedera.hashgraph.tck.annotation.JSONRPC2Service;
 import com.hedera.hashgraph.tck.methods.AbstractJSONRPC2Service;
+import com.hedera.hashgraph.tck.methods.sdk.param.contract.ContractByteCodeQueryParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.ContractCallQueryParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.CreateContractParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.DeleteContractParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.ExecuteContractParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.InfoQueryContractParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.UpdateContractParams;
+import com.hedera.hashgraph.tck.methods.sdk.response.ContractByteCodeResponse;
 import com.hedera.hashgraph.tck.methods.sdk.response.ContractCallResponse;
 import com.hedera.hashgraph.tck.methods.sdk.response.ContractResponse;
 import com.hedera.hashgraph.tck.methods.sdk.response.ContractResponse.ContractInfoQueryResponse;
@@ -31,6 +33,16 @@ public ContractService(SdkService sdkService) {
         this.sdkService = sdkService;
     }
 
+    @JSONRPC2Method("contractByteCodeQuery")
+    public ContractByteCodeResponse contractByteCodeQuery(final ContractByteCodeQueryParams params) throws Exception {
+        ContractByteCodeQuery query = QueryBuilders.buildContractBytecode(params);
+        Client client = sdkService.getClient(params.getSessionId());
+
+        ByteString response = query.execute(client);
+
+        return new ContractByteCodeResponse(query.getContractId().toString(), Hex.toHexString(response.toByteArray()));
+    }
+
     @JSONRPC2Method("contractCallQuery")
     public ContractCallResponse contractCallQuery(final ContractCallQueryParams params) throws Exception {
         ContractCallQuery query = QueryBuilders.buildContractCall(params);

tck/src/main/java/com/hedera/hashgraph/tck/methods/sdk/param/contract/ContractByteCodeQueryParams.java

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: Apache-2.0
+package com.hedera.hashgraph.tck.methods.sdk.param.contract;
+
+import com.hedera.hashgraph.tck.methods.JSONRPC2Param;
+import com.hedera.hashgraph.tck.util.JSONRPCParamParser;
+import java.util.Map;
+import java.util.Optional;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+public class ContractByteCodeQueryParams extends JSONRPC2Param {
+    private Optional<String> contractId;
+    private Optional<String> queryPayment;
+    private Optional<String> maxQueryPayment;
+    private String sessionId;
+
+    @Override
+    public ContractByteCodeQueryParams parse(Map<String, Object> jrpcParams) throws Exception {
+        var parsedContractId = Optional.ofNullable((String) jrpcParams.get("contractId"));
+        var parsedQueryPayment = Optional.ofNullable((String) jrpcParams.get("queryPayment"));
+        var parsedMaxQueryPayment = Optional.ofNullable((String) jrpcParams.get("maxQueryPayment"));
+
+        return new ContractByteCodeQueryParams(
+                parsedContractId,
+                parsedQueryPayment,
+                parsedMaxQueryPayment,
+                JSONRPCParamParser.parseSessionId(jrpcParams));
+    }
+}

tck/src/main/java/com/hedera/hashgraph/tck/methods/sdk/response/ContractByteCodeResponse.java

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: Apache-2.0
+package com.hedera.hashgraph.tck.methods.sdk.response;
+
+import lombok.Data;
+
+@Data
+public class ContractByteCodeResponse {
+    private final String contractId;
+    private final String bytecode;
+}

tck/src/main/java/com/hedera/hashgraph/tck/util/QueryBuilders.java

@@ -3,6 +3,7 @@
 
 import com.hedera.hashgraph.sdk.AccountBalanceQuery;
 import com.hedera.hashgraph.sdk.AccountId;
+import com.hedera.hashgraph.sdk.ContractByteCodeQuery;
 import com.hedera.hashgraph.sdk.ContractCallQuery;
 import com.hedera.hashgraph.sdk.ContractId;
 import com.hedera.hashgraph.sdk.FileContentsQuery;
@@ -13,6 +14,7 @@
 import com.hedera.hashgraph.sdk.TokenInfoQuery;
 import com.hedera.hashgraph.sdk.TokenNftInfoQuery;
 import com.hedera.hashgraph.tck.methods.sdk.param.account.AccountBalanceQueryParams;
+import com.hedera.hashgraph.tck.methods.sdk.param.contract.ContractByteCodeQueryParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.contract.ContractCallQueryParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.file.FileContentsParams;
 import com.hedera.hashgraph.tck.methods.sdk.param.token.NftInfoQueryParams;
@@ -82,6 +84,21 @@ public static FileContentsQuery buildFileContents(FileContentsParams params) {
         }
     }
 
+    public static ContractByteCodeQuery buildContractBytecode(ContractByteCodeQueryParams params) {
+        ContractByteCodeQuery query = new ContractByteCodeQuery().setGrpcDeadline(DEFAULT_GRPC_DEADLINE);
+
+        params.getContractId().ifPresent(contractId -> query.setContractId(ContractId.fromString(contractId)));
+
+        params.getQueryPayment()
+                .ifPresent(queryPayment -> query.setQueryPayment(Hbar.fromTinybars(Long.parseLong(queryPayment))));
+
+        params.getMaxQueryPayment()
+                .ifPresent(maxQueryPayment ->
+                        query.setMaxQueryPayment(Hbar.fromTinybars(Long.parseLong(maxQueryPayment))));
+
+        return query;
+    }
+
     public static ContractCallQuery buildContractCall(ContractCallQueryParams params) {
         ContractCallQuery query = new ContractCallQuery().setGrpcDeadline((DEFAULT_GRPC_DEADLINE));
         if (params.getContractId() != null) {