openethereum/parity/rpc.rs

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// Copyright 2015, 2016 Ethcore (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/>.
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use std::collections::BTreeMap;
use std::str::FromStr;
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use std::sync::Arc;
use std::net::SocketAddr;
use ethcore::client::Client;
use ethsync::EthSync;
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use ethminer::{Miner, ExternalMiner};
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use util::RotatingLogger;
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use util::panics::PanicHandler;
use util::keys::store::AccountService;
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use util::network_settings::NetworkSettings;
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use die::*;
use jsonipc;
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#[cfg(feature = "rpc")]
pub use ethcore_rpc::Server as RpcServer;
#[cfg(feature = "rpc")]
use ethcore_rpc::{RpcServerError, RpcServer as Server};
#[cfg(not(feature = "rpc"))]
pub struct RpcServer;
pub struct HttpConfiguration {
pub enabled: bool,
pub interface: String,
pub port: u16,
pub apis: String,
pub cors: Vec<String>,
}
pub struct IpcConfiguration {
pub enabled: bool,
pub socket_addr: String,
pub apis: String,
}
pub struct Dependencies {
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pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
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pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
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pub settings: Arc<NetworkSettings>,
}
pub fn new_http(conf: HttpConfiguration, deps: &Arc<Dependencies>) -> Option<RpcServer> {
if !conf.enabled {
return None;
}
let interface = match conf.interface.as_str() {
"all" => "0.0.0.0",
"local" => "127.0.0.1",
x => x,
};
let apis = conf.apis.split(',').collect();
let url = format!("{}:{}", interface, conf.port);
let addr = SocketAddr::from_str(&url).unwrap_or_else(|_| die!("{}: Invalid JSONRPC listen host/port given.", url));
Some(setup_http_rpc_server(deps, &addr, conf.cors, apis))
}
pub fn new_ipc(conf: IpcConfiguration, deps: &Arc<Dependencies>) -> Option<jsonipc::Server> {
if !conf.enabled { return None; }
let apis = conf.apis.split(',').collect();
Some(setup_ipc_rpc_server(deps, &conf.socket_addr, apis))
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}
fn setup_rpc_server(apis: Vec<&str>, deps: &Arc<Dependencies>) -> Server {
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use ethcore_rpc::v1::*;
let server = Server::new();
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let mut modules = BTreeMap::new();
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for api in apis.into_iter() {
match api {
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"web3" => {
modules.insert("web3".to_owned(), "1.0".to_owned());
server.add_delegate(Web3Client::new().to_delegate());
},
"net" => {
modules.insert("net".to_owned(), "1.0".to_owned());
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server.add_delegate(NetClient::new(&deps.sync).to_delegate());
},
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"eth" => {
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modules.insert("eth".to_owned(), "1.0".to_owned());
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server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
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},
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"personal" => {
modules.insert("personal".to_owned(), "1.0".to_owned());
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate())
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},
"ethcore" => {
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modules.insert("ethcore".to_owned(), "1.0".to_owned());
server.add_delegate(EthcoreClient::new(&deps.client, &deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate())
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},
"traces" => {
modules.insert("traces".to_owned(), "1.0".to_owned());
server.add_delegate(TracesClient::new(&deps.client).to_delegate())
},
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_ => {
die!("{}: Invalid API name to be enabled.", api);
},
}
}
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server.add_delegate(RpcClient::new(modules).to_delegate());
server
}
#[cfg(not(feature = "rpc"))]
pub fn setup_http_rpc_server(
_deps: Dependencies,
_url: &SocketAddr,
_cors_domain: Option<String>,
_apis: Vec<&str>,
) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
}
#[cfg(feature = "rpc")]
pub fn setup_http_rpc_server(
dependencies: &Arc<Dependencies>,
url: &SocketAddr,
cors_domains: Vec<String>,
apis: Vec<&str>,
) -> RpcServer {
let server = setup_rpc_server(apis, dependencies);
let start_result = server.start_http(url, cors_domains);
let deps = dependencies.clone();
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match start_result {
Err(RpcServerError::IoError(err)) => die_with_io_error("RPC", err),
Err(e) => die!("RPC: {:?}", e),
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Ok(server) => {
server.set_panic_handler(move || {
deps.panic_handler.notify_all("Panic in RPC thread.".to_owned());
});
server
},
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}
}
pub fn setup_ipc_rpc_server(dependencies: &Arc<Dependencies>, addr: &str, apis: Vec<&str>) -> jsonipc::Server {
let server = setup_rpc_server(apis, dependencies);
match server.start_ipc(addr) {
Err(jsonipc::Error::Io(io_error)) => die_with_io_error("RPC", io_error),
Err(any_error) => die!("RPC: {:?}", any_error),
Ok(server) => server
}
}