openethereum/crates/rpc/src/v1/helpers/engine_signer.rs
rakita 85391f99ac
Backport AuRa commits for xdai (#330)
* Add SealingState; don't prepare block when not ready. (#10529)
* Fix a few typos and unused warnings. #10803
* Configuration map of block reward contract addresses (#10875)
* Step duration map configuration parameter ported from the POA Network fork (#10902)
* Add a 2/3 quorum option to Authority Round. (#10909)
* Additional arithmetic EVM opcode benchmarks (#10916)
* RPC method for clearing the engine signer (#10920)
* authority_round: Fix next_step_time_duration. (#11379)
* Aura: Report malice on sibling blocks from the same validator (#11160)
* TxPermissions ver 3: gas price & data (#11170)
* Add randomness contract support to AuthorityRound. (#10946)
* Set the block gas limit to the value returned by a contract call (#10928)
* AuthorityEngine: Minor cleanups. (#11408)
* Add POSDAO transition and malice report queue. (#11245)
* PoA call validators on_close_block
* Actualize spec files for POA Networks
* Some fixes after merge
* Crypto error desc
* AuRa on_close_block Error::Old fix

Co-authored-by: POA <33550681+poa@users.noreply.github.com>
2021-03-25 14:37:01 +01:00

71 lines
2.2 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum 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.
// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
use std::sync::Arc;
use accounts::AccountProvider;
use crypto::publickey::{self, Address, Error, Public};
use ethkey::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: publickey::Message) -> Result<publickey::Signature, publickey::Error> {
match self
.accounts
.sign(self.address, Some(self.password.clone()), message)
{
Ok(ok) => Ok(ok),
Err(e) => Err(publickey::Error::Custom(e.to_string())),
}
}
fn decrypt(&self, auth_data: &[u8], cipher: &[u8]) -> Result<Vec<u8>, Error> {
self.accounts
.decrypt(self.address, None, auth_data, cipher)
.map_err(|e| {
warn!("Unable to decrypt message: {:?}", e);
Error::InvalidMessage
})
}
fn address(&self) -> Address {
self.address
}
fn public(&self) -> Option<Public> {
self.accounts
.account_public(self.address, &self.password)
.ok()
}
}