Fix the error retrurned when the PMT fails because the intrinsic gas exeeds the gas limit. (#616)

* Fix the error retrurned when the PMT cannot be added to the transaction pool because the intrinsic gas exeeds the gas limit.

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

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/privacy/methods/eea/EeaSendRawTransaction.java

@@ -28,6 +28,7 @@ import org.hyperledger.besu.ethereum.api.jsonrpc.RpcMethod;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.JsonRpcRequestContext;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.JsonRpcMethod;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.privacy.methods.EnclavePublicKeyProvider;
+import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcError;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcErrorResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse;
 import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcSuccessResponse;
@@ -146,8 +147,7 @@ public class EeaSendRawTransaction implements JsonRpcMethod {
           .addLocalTransaction(privacyMarkerTransaction)
           .either(
               () -> new JsonRpcSuccessResponse(id, privacyMarkerTransaction.getHash().toString()),
-              errorReason ->
-                  new JsonRpcErrorResponse(id, convertTransactionInvalidReason(errorReason)));
+              errorReason -> getJsonRpcErrorResponse(id, errorReason));
     } catch (final MultiTenancyValidationException e) {
       LOG.error("Unauthorized privacy multi-tenancy rpc request. {}", e.getMessage());
       return new JsonRpcErrorResponse(id, ENCLAVE_ERROR);
@@ -158,6 +158,14 @@ public class EeaSendRawTransaction implements JsonRpcMethod {
     }
   }
 
+  JsonRpcErrorResponse getJsonRpcErrorResponse(
+      final Object id, final TransactionInvalidReason errorReason) {
+    if (errorReason.equals(TransactionInvalidReason.INTRINSIC_GAS_EXCEEDS_GAS_LIMIT)) {
+      return new JsonRpcErrorResponse(id, JsonRpcError.PMT_FAILED_INTRINSIC_GAS_EXCEEDS_LIMIT);
+    }
+    return new JsonRpcErrorResponse(id, convertTransactionInvalidReason(errorReason));
+  }
+
   private String buildCompoundKey(
       final String enclaveKey, final Optional<String> addPayloadEnclaveKey) {
     return addPayloadEnclaveKey.isPresent()

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/response/JsonRpcError.java

@@ -112,13 +112,16 @@ public enum JsonRpcError {
   DELETE_PRIVACY_GROUP_ERROR(-50100, "Error deleting privacy group"),
   FIND_PRIVACY_GROUP_ERROR(-50100, "Error finding privacy group"),
   FIND_ON_CHAIN_PRIVACY_GROUP_ERROR(-50100, "Error finding on-chain privacy group"),
-  VALUE_NOT_ZERO(-50100, "We cannot transfer ether in private transaction yet."),
+  VALUE_NOT_ZERO(-50100, "We cannot transfer ether in a private transaction yet."),
   DECODE_ERROR(-50100, "Unable to decode the private signed raw transaction"),
   GET_PRIVATE_TRANSACTION_NONCE_ERROR(-50100, "Unable to determine nonce for account in group."),
   PRIVACY_GROUP_DOES_NOT_EXIST(-50100, "Privacy group does not exist."),
   ONCHAIN_PRIVACY_GROUP_NOT_ENABLED(-50100, "Onchain privacy groups not enabled."),
   OFFCHAIN_PRIVACY_GROUP_NOT_ENABLED(
       -50100, "Offchain privacy group can't be used with Onchain privacy groups enabled."),
+  PMT_FAILED_INTRINSIC_GAS_EXCEEDS_LIMIT(
+      -50100,
+      "Private Marker Transaction failed due to intrinsic gas exeeding the limit. Gas limit used from the Private Transaction."),
 
   CANT_CONNECT_TO_LOCAL_PEER(-32100, "Cannot add local node as peer."),
 

ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/privacy/methods/eea/EeaSendRawTransactionTest.java

@@ -450,7 +450,7 @@ public class EeaSendRawTransactionTest {
   public void transactionWithIntrinsicGasExceedingGasLimitIsRejected() {
     verifyErrorForInvalidTransaction(
         TransactionInvalidReason.INTRINSIC_GAS_EXCEEDS_GAS_LIMIT,
-        JsonRpcError.INTRINSIC_GAS_EXCEEDS_LIMIT);
+        JsonRpcError.PMT_FAILED_INTRINSIC_GAS_EXCEEDS_LIMIT);
   }
 
   @Test