add sendSignedTransaction method to QuorumEnclave (#1642)

* add sendSignedTransaction method to QuorumEnclave

Signed-off-by: Stefan Pingel <stefan.pingel@consensys.net>

enclave/src/integration-test/java/org/hyperledger/besu/enclave/GoQuorumEnclaveTest.java

@@ -38,7 +38,8 @@ public class GoQuorumEnclaveTest {
 
   private static final byte[] PAYLOAD = Base64.getDecoder().decode("EAAAAAAA");
   private static final String MOCK_KEY = "iOCzoGo5kwtZU0J41Z9xnGXHN6ZNukIa9MspvHtu3Jk=";
-  private static final String KEY = "key";
+  private static final String KEY =
+      "tQEmN0d/xXJZs5OMgl8QVBIyYxu1XubAKehsSYbcOjbxai+QJQpEOs6ghrYAZizLtnM4EJdMyVeVrxO3cA9JJA==";
   private static GoQuorumEnclave enclave;
 
   private RequestTransmitter vertxTransmitter;
@@ -49,7 +50,7 @@ public class GoQuorumEnclaveTest {
   }
 
   @Test
-  public void testUpCheck() {
+  public void upCheck() {
     when(vertxTransmitter.get(any(), any(), ArgumentMatchers.contains("/upcheck"), any()))
         .thenReturn("I'm up!");
 
@@ -57,7 +58,7 @@ public class GoQuorumEnclaveTest {
   }
 
   @Test
-  public void testReceiveThrowsWhenPayloadDoesNotExist() {
+  public void receiveThrowsWhenPayloadDoesNotExist() {
     when(vertxTransmitter.get(any(), any(), ArgumentMatchers.contains("/receive"), any()))
         .thenThrow(
             new EnclaveClientException(404, "Message with hash " + MOCK_KEY + " was not found"));
@@ -68,7 +69,7 @@ public class GoQuorumEnclaveTest {
   }
 
   @Test
-  public void testSendAndReceive() {
+  public void sendAndReceive() {
     when(vertxTransmitter.post(any(), any(), any(), any())).thenReturn(new SendResponse(KEY));
     when(vertxTransmitter.get(any(), any(), ArgumentMatchers.contains("/receive"), any()))
         .thenReturn(new GoQuorumReceiveResponse(PAYLOAD, 0, null, null));
@@ -83,6 +84,17 @@ public class GoQuorumEnclaveTest {
     assertThat(rr.getPayload()).isEqualTo(PAYLOAD);
   }
 
+  @Test
+  public void sendSignedTransaction() {
+    when(vertxTransmitter.post(any(), any(), ArgumentMatchers.contains("/sendsignedtx"), any()))
+        .thenReturn(new SendResponse(KEY));
+
+    final List<String> publicKeys = Arrays.asList("/+UuD63zItL1EbjxkKUljMgG8Z1w0AJ8pNOR4iq2yQc=");
+
+    final SendResponse sr = enclave.sendSignedTransaction(PAYLOAD, publicKeys);
+    assertThat(sr.getKey()).isEqualTo(KEY);
+  }
+
   @Test
   public void upcheckReturnsFalseIfNoResponseReceived() throws URISyntaxException {
     final Vertx vertx = Vertx.vertx();

enclave/src/main/java/org/hyperledger/besu/enclave/GoQuorumEnclave.java

@@ -17,6 +17,7 @@ package org.hyperledger.besu.enclave;
 import org.hyperledger.besu.enclave.RequestTransmitter.ResponseBodyHandler;
 import org.hyperledger.besu.enclave.types.GoQuorumReceiveResponse;
 import org.hyperledger.besu.enclave.types.GoQuorumSendRequest;
+import org.hyperledger.besu.enclave.types.GoQuorumSendSignedRequest;
 import org.hyperledger.besu.enclave.types.ReceiveRequest;
 import org.hyperledger.besu.enclave.types.SendResponse;
 
@@ -58,6 +59,16 @@ public class GoQuorumEnclave {
         (statusCode, body) -> handleJsonResponse(statusCode, body, SendResponse.class, 201));
   }
 
+  public SendResponse sendSignedTransaction(
+      final byte[] txLookupId, final List<String> privateFor) {
+    final GoQuorumSendSignedRequest request = new GoQuorumSendSignedRequest(txLookupId, privateFor);
+    return post(
+        JSON,
+        request,
+        "/sendsignedtx",
+        (statusCode, body) -> handleJsonResponse(statusCode, body, SendResponse.class, 201));
+  }
+
   public GoQuorumReceiveResponse receive(final String payloadKey) {
     final ReceiveRequest request = new ReceiveRequest(payloadKey);
     return get(

enclave/src/main/java/org/hyperledger/besu/enclave/types/GoQuorumSendSignedRequest.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package org.hyperledger.besu.enclave.types;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+
+@JsonPropertyOrder({"hash", "to"})
+public class GoQuorumSendSignedRequest {
+  private final byte[] hash;
+  private final List<String> to;
+
+  public GoQuorumSendSignedRequest(
+      @JsonProperty(value = "hash") final byte[] hash,
+      @JsonProperty(value = "to") final List<String> privateFor) {
+    this.hash = hash;
+    this.to = privateFor;
+  }
+
+  public byte[] getHash() {
+    return hash;
+  }
+
+  public List<String> getTo() {
+    return to;
+  }
+}