mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-29 07:57:24 +00:00
Bastian Köcher
12f12bff28
* Adds a script for automatically update all copyrights * Ran the `update-copyright` script
93 lines
2.9 KiB
Rust
93 lines
2.9 KiB
Rust
// Copyright 2017-2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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// tag::description[]
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//! Substrate RPC servers.
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// end::description[]
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#[warn(missing_docs)]
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pub extern crate substrate_rpc as apis;
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extern crate jsonrpc_http_server as http;
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extern crate jsonrpc_pubsub as pubsub;
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extern crate jsonrpc_ws_server as ws;
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extern crate serde;
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extern crate sr_primitives;
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#[macro_use]
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extern crate log;
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use std::io;
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use sr_primitives::traits::{Block as BlockT, NumberFor};
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type Metadata = apis::metadata::Metadata;
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type RpcHandler = pubsub::PubSubHandler<Metadata>;
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pub type HttpServer = http::Server;
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pub type WsServer = ws::Server;
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/// Construct rpc `IoHandler`
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pub fn rpc_handler<Block: BlockT, ExHash, PendingExtrinsics, S, C, A, Y>(
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state: S,
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chain: C,
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author: A,
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system: Y,
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) -> RpcHandler where
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Block: BlockT + 'static,
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ExHash: Send + Sync + 'static + sr_primitives::Serialize + sr_primitives::DeserializeOwned,
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PendingExtrinsics: serde::Serialize + serde::de::DeserializeOwned + Send + Sync + 'static,
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S: apis::state::StateApi<Block::Hash, Metadata=Metadata>,
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C: apis::chain::ChainApi<Block::Hash, Block::Header, NumberFor<Block>, Block::Extrinsic, Metadata=Metadata>,
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A: apis::author::AuthorApi<ExHash, Block::Hash, Block::Extrinsic, PendingExtrinsics, Metadata=Metadata>,
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Y: apis::system::SystemApi,
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{
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let mut io = pubsub::PubSubHandler::default();
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io.extend_with(state.to_delegate());
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io.extend_with(chain.to_delegate());
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io.extend_with(author.to_delegate());
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io.extend_with(system.to_delegate());
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io
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}
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/// Start HTTP server listening on given address.
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pub fn start_http(
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addr: &std::net::SocketAddr,
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io: RpcHandler,
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) -> io::Result<http::Server> {
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http::ServerBuilder::new(io)
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.threads(4)
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.rest_api(http::RestApi::Unsecure)
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.cors(http::DomainsValidation::Disabled)
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.start_http(addr)
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}
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/// Start WS server listening on given address.
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pub fn start_ws(
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addr: &std::net::SocketAddr,
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io: RpcHandler,
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) -> io::Result<ws::Server> {
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ws::ServerBuilder::with_meta_extractor(io, |context: &ws::RequestContext| Metadata::new(context.sender()))
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.start(addr)
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.map_err(|err| match err {
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ws::Error(ws::ErrorKind::Io(io), _) => io,
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ws::Error(ws::ErrorKind::ConnectionClosed, _) => io::ErrorKind::BrokenPipe.into(),
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ws::Error(e, _) => {
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error!("{}", e);
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io::ErrorKind::Other.into()
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}
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})
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}
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