60 lines
1.9 KiB
Rust
60 lines
1.9 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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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// Parity Ethereum 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 Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Key pair with signing ability
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use std::sync::Arc;
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use accounts::AccountProvider;
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use ethkey::Password;
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use parity_crypto::publickey::public_to_address;
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use ethereum_types::{H256, Address, Public};
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use parity_crypto::publickey::{Signature, Error as EthKeyError};
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use ethcore_secretstore::SigningKeyPair;
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pub struct KeyStoreNodeKeyPair {
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account_provider: Arc<AccountProvider>,
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address: Address,
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public: Public,
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password: Password,
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}
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impl KeyStoreNodeKeyPair {
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pub fn new(account_provider: Arc<AccountProvider>, address: Address, password: Password) -> Result<Self, EthKeyError> {
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let public = account_provider.account_public(address.clone(), &password).map_err(|e| EthKeyError::Custom(format!("{}", e)))?;
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Ok(KeyStoreNodeKeyPair {
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account_provider,
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address,
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public,
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password,
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})
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}
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}
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impl SigningKeyPair for KeyStoreNodeKeyPair {
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fn public(&self) -> &Public {
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&self.public
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}
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fn address(&self) -> Address {
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public_to_address(&self.public)
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}
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fn sign(&self, data: &H256) -> Result<Signature, EthKeyError> {
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self.account_provider.sign(self.address.clone(), Some(self.password.clone()), data.clone())
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.map_err(|e| EthKeyError::Custom(format!("{}", e)))
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}
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}
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