openethereum/miner/src/local_accounts.rs

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// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
//! Local Accounts checker
use std::collections::HashSet;
use ethereum_types::Address;
/// Local accounts checker
pub trait LocalAccounts: Send + Sync {
/// Returns true if given address should be considered local account.
fn is_local(&self, &Address) -> bool;
}
impl LocalAccounts for HashSet<Address> {
fn is_local(&self, address: &Address) -> bool {
self.contains(address)
}
}
impl<A, B> LocalAccounts for (A, B) where
A: LocalAccounts,
B: LocalAccounts,
{
fn is_local(&self, address: &Address) -> bool {
self.0.is_local(address) || self.1.is_local(address)
}
}