forked from Consensys/ethsigner
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Handle SendTransaction separately from passthrough (Consensys#19)
- Loading branch information
Showing
3 changed files
with
114 additions
and
41 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
102 changes: 102 additions & 0 deletions
102
ethfirewall/src/main/java/tech/pegasys/ethfirewall/jsonrpcproxy/SendTransactionHandler.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| /* | ||
| * Copyright 2019 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. | ||
| */ | ||
| package tech.pegasys.ethfirewall.jsonrpcproxy; | ||
|
|
||
| import tech.pegasys.ethfirewall.jsonrpc.JsonRpcRequest; | ||
|
|
||
| import io.vertx.core.buffer.Buffer; | ||
| import io.vertx.core.http.HttpClient; | ||
| import io.vertx.core.http.HttpClientRequest; | ||
| import io.vertx.core.http.HttpClientResponse; | ||
| import io.vertx.core.http.HttpServerRequest; | ||
| import io.vertx.core.json.Json; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| public class SendTransactionHandler implements JsonRpcRequestHandler { | ||
|
|
||
| private static final Logger LOG = LoggerFactory.getLogger(SendTransactionHandler.class); | ||
| private final JsonRpcErrorReporter errorReporter; | ||
| private final HttpClient ethNodeClient; | ||
| private final BodyProvider bodyProvider; | ||
|
|
||
| public SendTransactionHandler( | ||
| final JsonRpcErrorReporter errorReporter, | ||
| final HttpClient ethNodeClient, | ||
| final BodyProvider bodyProvider) { | ||
| this.errorReporter = errorReporter; | ||
| this.ethNodeClient = ethNodeClient; | ||
| this.bodyProvider = bodyProvider; | ||
| } | ||
|
|
||
| @Override | ||
| public void handle(final HttpServerRequest httpServerRequest, final JsonRpcRequest requestBody) { | ||
| final HttpClientRequest request = | ||
| ethNodeClient.request( | ||
| httpServerRequest.method(), | ||
| httpServerRequest.uri(), | ||
| proxiedResponse -> { | ||
| logResponse(proxiedResponse); | ||
|
|
||
| httpServerRequest.response().setStatusCode(proxiedResponse.statusCode()); | ||
| httpServerRequest.response().headers().setAll(proxiedResponse.headers()); | ||
| httpServerRequest.response().setChunked(false); | ||
|
|
||
| proxiedResponse.bodyHandler( | ||
| data -> { | ||
| logResponseBody(data); | ||
|
|
||
| // End the sendRequest, preventing any other handler from executing | ||
| httpServerRequest.response().end(data); | ||
| }); | ||
| }); | ||
|
|
||
| request.headers().setAll(httpServerRequest.headers()); | ||
| request.headers().remove("Content-Length"); // created during 'end'. | ||
| request.setChunked(false); | ||
|
|
||
| final JsonRpcBody providedBody = bodyProvider.getBody(requestBody); | ||
|
|
||
| if (providedBody.hasError()) { | ||
| errorReporter.send(requestBody, httpServerRequest, providedBody.error()); | ||
| } else { | ||
| // Data is only written to the wire on end() | ||
| final Buffer proxyRequestBody = providedBody.body(); | ||
| request.end(proxyRequestBody); | ||
| logRequest(requestBody, httpServerRequest, request, proxyRequestBody); | ||
| } | ||
| } | ||
|
|
||
| private void logResponse(final HttpClientResponse response) { | ||
| LOG.debug("Response status: {}", response.statusCode()); | ||
| } | ||
|
|
||
| private void logResponseBody(final Buffer body) { | ||
| LOG.debug("Response body: {}", body); | ||
| } | ||
|
|
||
| private void logRequest( | ||
| final JsonRpcRequest originalJsonRpcRequest, | ||
| final HttpServerRequest originalRequest, | ||
| final HttpClientRequest proxyRequest, | ||
| final Buffer proxyRequestBody) { | ||
| LOG.debug( | ||
| "Original method: {}, uri: {}, body: {}, Proxy: method: {}, uri: {}, body: {}", | ||
| originalRequest.method(), | ||
| originalRequest.absoluteURI(), | ||
| Json.encodePrettily(originalJsonRpcRequest), | ||
| proxyRequest.method(), | ||
| proxyRequest.absoluteURI(), | ||
| proxyRequestBody); | ||
| } | ||
| } |