71 lines
2.2 KiB
Rust
71 lines
2.2 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::Arc;
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use accounts::AccountProvider;
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use crypto::publickey::{self, Address, Error, Public};
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use ethkey::Password;
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/// An implementation of EngineSigner using internal account management.
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pub struct EngineSigner {
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accounts: Arc<AccountProvider>,
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address: Address,
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password: Password,
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}
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impl EngineSigner {
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/// Creates new `EngineSigner` given account manager and account details.
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pub fn new(accounts: Arc<AccountProvider>, address: Address, password: Password) -> Self {
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EngineSigner {
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accounts,
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address,
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password,
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}
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}
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}
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impl ethcore::engines::EngineSigner for EngineSigner {
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fn sign(&self, message: publickey::Message) -> Result<publickey::Signature, publickey::Error> {
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match self
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.accounts
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.sign(self.address, Some(self.password.clone()), message)
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{
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Ok(ok) => Ok(ok),
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Err(e) => Err(publickey::Error::Custom(e.to_string())),
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}
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}
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fn decrypt(&self, auth_data: &[u8], cipher: &[u8]) -> Result<Vec<u8>, Error> {
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self.accounts
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.decrypt(self.address, None, auth_data, cipher)
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.map_err(|e| {
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warn!("Unable to decrypt message: {:?}", e);
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Error::InvalidMessage
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})
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}
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fn address(&self) -> Address {
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self.address
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}
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fn public(&self) -> Option<Public> {
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self.accounts
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.account_public(self.address, &self.password)
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.ok()
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}
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}
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