openethereum/parity/signer.rs
2016-06-01 20:11:05 +02:00

75 lines
2.1 KiB
Rust

// 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/>.
use std::sync::Arc;
use util::panics::{PanicHandler, ForwardPanic};
use die::*;
use rpc_apis;
#[cfg(feature = "ethcore-signer")]
use ethcore_signer as signer;
#[cfg(feature = "ethcore-signer")]
pub use ethcore_signer::Server as SignerServer;
#[cfg(not(feature = "ethcore-signer"))]
pub struct SignerServer;
pub struct Configuration {
pub enabled: bool,
pub port: u16,
}
pub struct Dependencies {
pub panic_handler: Arc<PanicHandler>,
pub apis: Arc<rpc_apis::Dependencies>,
}
pub fn start(conf: Configuration, deps: Dependencies) -> Option<SignerServer> {
if !conf.enabled {
None
} else {
Some(do_start(conf, deps))
}
}
#[cfg(feature = "ethcore-signer")]
fn do_start(conf: Configuration, deps: Dependencies) -> SignerServer {
let addr = format!("127.0.0.1:{}", conf.port).parse().unwrap_or_else(|_| {
die!("Invalid port specified: {}", conf.port)
});
let start_result = {
let server = signer::ServerBuilder::new();
let server = rpc_apis::setup_rpc(server, deps.apis, rpc_apis::ApiSet::SafeContext);
server.start(addr)
};
match start_result {
Err(signer::ServerError::IoError(err)) => die_with_io_error("Trusted Signer", err),
Err(e) => die!("Trusted Signer: {:?}", e),
Ok(server) => {
deps.panic_handler.forward_from(&server);
server
},
}
}
#[cfg(not(feature = "ethcore-signer"))]
fn do_start(conf: Configuration) -> ! {
die!("Your Parity version has been compiled without Trusted Signer support.")
}