openethereum/rpc/src/lib.rs
Tomasz Drwięga f680eacdf2 Health endpoint (#9847)
* Health endpoint.

* Fix chain handling.

* Update to latest json-rpc.

* Change dev chain detection.

* Fix test.
2018-11-07 09:30:34 +01:00

229 lines
6.5 KiB
Rust

// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Parity RPC.
#![warn(missing_docs)]
#[macro_use]
extern crate futures;
extern crate ansi_term;
extern crate cid;
extern crate itertools;
extern crate multihash;
extern crate order_stat;
extern crate parking_lot;
extern crate rand;
extern crate rustc_hex;
extern crate semver;
extern crate serde;
extern crate serde_json;
extern crate tiny_keccak;
extern crate tokio_timer;
extern crate transient_hashmap;
extern crate jsonrpc_core;
extern crate jsonrpc_http_server as http;
extern crate jsonrpc_ipc_server as ipc;
extern crate jsonrpc_pubsub;
extern crate ethash;
extern crate ethcore;
extern crate fastmap;
extern crate parity_bytes as bytes;
extern crate parity_crypto as crypto;
extern crate ethcore_devtools as devtools;
extern crate ethcore_io as io;
extern crate ethcore_light as light;
extern crate ethcore_logger;
extern crate ethcore_miner as miner;
extern crate ethcore_private_tx;
extern crate ethcore_sync as sync;
extern crate ethcore_transaction as transaction;
extern crate ethereum_types;
extern crate ethkey;
extern crate ethstore;
extern crate fetch;
extern crate keccak_hash as hash;
extern crate parity_runtime;
extern crate parity_updater as updater;
extern crate parity_version as version;
extern crate patricia_trie as trie;
extern crate eip712;
extern crate rlp;
extern crate stats;
extern crate vm;
#[cfg(any(target_os = "linux", target_os = "macos", target_os = "windows", target_os = "android"))]
extern crate hardware_wallet;
#[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "windows", target_os = "android")))]
extern crate fake_hardware_wallet as hardware_wallet;
#[macro_use]
extern crate log;
#[macro_use]
extern crate jsonrpc_macros;
#[macro_use]
extern crate serde_derive;
#[cfg(test)]
extern crate ethjson;
#[cfg(test)]
extern crate transaction_pool as txpool;
#[cfg(test)]
#[macro_use]
extern crate pretty_assertions;
#[cfg(test)]
#[macro_use]
extern crate macros;
#[cfg(test)]
extern crate kvdb_memorydb;
#[cfg(test)]
extern crate fake_fetch;
extern crate tempdir;
pub extern crate jsonrpc_ws_server as ws;
mod authcodes;
mod http_common;
pub mod v1;
pub mod tests;
pub use jsonrpc_pubsub::Session as PubSubSession;
pub use ipc::{Server as IpcServer, MetaExtractor as IpcMetaExtractor, RequestContext as IpcRequestContext};
pub use http::{
hyper,
RequestMiddleware, RequestMiddlewareAction,
AccessControlAllowOrigin, Host, DomainsValidation
};
pub use v1::{NetworkSettings, Metadata, Origin, informant, dispatch, signer};
pub use v1::block_import::{is_major_importing, is_major_importing_or_waiting};
pub use v1::extractors::{RpcExtractor, WsExtractor, WsStats, WsDispatcher};
pub use authcodes::{AuthCodes, TimeProvider};
pub use http_common::HttpMetaExtractor;
use std::net::SocketAddr;
/// RPC HTTP Server instance
pub type HttpServer = http::Server;
/// Start http server asynchronously and returns result with `Server` handle on success or an error.
pub fn start_http<M, S, H, T>(
addr: &SocketAddr,
cors_domains: http::DomainsValidation<http::AccessControlAllowOrigin>,
allowed_hosts: http::DomainsValidation<http::Host>,
handler: H,
extractor: T,
threads: usize,
max_payload: usize,
keep_alive: bool,
) -> ::std::io::Result<HttpServer> where
M: jsonrpc_core::Metadata,
S: jsonrpc_core::Middleware<M>,
H: Into<jsonrpc_core::MetaIoHandler<M, S>>,
T: HttpMetaExtractor<Metadata=M>,
{
let extractor = http_common::MetaExtractor::new(extractor);
Ok(http::ServerBuilder::with_meta_extractor(handler, extractor)
.keep_alive(keep_alive)
.threads(threads)
.cors(cors_domains.into())
.allowed_hosts(allowed_hosts.into())
.health_api(("/api/health", "parity_nodeStatus"))
.max_request_body_size(max_payload * 1024 * 1024)
.start_http(addr)?)
}
/// Same as `start_http`, but takes an additional `middleware` parameter that is introduced as a
/// hyper middleware.
pub fn start_http_with_middleware<M, S, H, T, R>(
addr: &SocketAddr,
cors_domains: http::DomainsValidation<http::AccessControlAllowOrigin>,
allowed_hosts: http::DomainsValidation<http::Host>,
handler: H,
extractor: T,
middleware: R,
threads: usize,
max_payload: usize,
keep_alive: bool,
) -> ::std::io::Result<HttpServer> where
M: jsonrpc_core::Metadata,
S: jsonrpc_core::Middleware<M>,
H: Into<jsonrpc_core::MetaIoHandler<M, S>>,
T: HttpMetaExtractor<Metadata=M>,
R: RequestMiddleware,
{
let extractor = http_common::MetaExtractor::new(extractor);
Ok(http::ServerBuilder::with_meta_extractor(handler, extractor)
.keep_alive(keep_alive)
.threads(threads)
.cors(cors_domains.into())
.allowed_hosts(allowed_hosts.into())
.max_request_body_size(max_payload * 1024 * 1024)
.request_middleware(middleware)
.start_http(addr)?)
}
/// Start ipc server asynchronously and returns result with `Server` handle on success or an error.
pub fn start_ipc<M, S, H, T>(
addr: &str,
handler: H,
extractor: T,
) -> ::std::io::Result<ipc::Server> where
M: jsonrpc_core::Metadata,
S: jsonrpc_core::Middleware<M>,
H: Into<jsonrpc_core::MetaIoHandler<M, S>>,
T: IpcMetaExtractor<M>,
{
ipc::ServerBuilder::with_meta_extractor(handler, extractor)
.start(addr)
}
/// Start WS server and return `Server` handle.
pub fn start_ws<M, S, H, T, U, V>(
addr: &SocketAddr,
handler: H,
allowed_origins: ws::DomainsValidation<ws::Origin>,
allowed_hosts: ws::DomainsValidation<ws::Host>,
max_connections: usize,
extractor: T,
middleware: V,
stats: U,
) -> Result<ws::Server, ws::Error> where
M: jsonrpc_core::Metadata,
S: jsonrpc_core::Middleware<M>,
H: Into<jsonrpc_core::MetaIoHandler<M, S>>,
T: ws::MetaExtractor<M>,
U: ws::SessionStats,
V: ws::RequestMiddleware,
{
ws::ServerBuilder::with_meta_extractor(handler, extractor)
.request_middleware(middleware)
.allowed_origins(allowed_origins)
.allowed_hosts(allowed_hosts)
.max_connections(max_connections)
.session_stats(stats)
.start(addr)
}