openethereum/rpc/src/v1/helpers/engine_signer.rs

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// 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/>.
use std::sync::Arc;
use accounts::AccountProvider;
use ethkey::{self, Address, Password};
/// An implementation of EngineSigner using internal account management.
pub struct EngineSigner {
accounts: Arc<AccountProvider>,
address: Address,
password: Password,
}
impl EngineSigner {
/// Creates new `EngineSigner` given account manager and account details.
pub fn new(accounts: Arc<AccountProvider>, address: Address, password: Password) -> Self {
EngineSigner { accounts, address, password }
}
}
impl ethcore::engines::EngineSigner for EngineSigner {
fn sign(&self, message: ethkey::Message) -> Result<ethkey::Signature, ethkey::Error> {
match self.accounts.sign(self.address, Some(self.password.clone()), message) {
Ok(ok) => Ok(ok),
Err(e) => Err(ethkey::Error::InvalidSecret),
}
}
fn address(&self) -> Address {
self.address
}
}