54 lines
2.0 KiB
Rust
54 lines
2.0 KiB
Rust
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
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/// Validator lists.
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mod simple_list;
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mod safe_contract;
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mod contract;
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use std::sync::Weak;
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use util::{Address, Arc};
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use ethjson::spec::ValidatorSet as ValidatorSpec;
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use client::Client;
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use self::simple_list::SimpleList;
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use self::contract::ValidatorContract;
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use self::safe_contract::ValidatorSafeContract;
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/// Creates a validator set from spec.
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pub fn new_validator_set(spec: ValidatorSpec) -> Box<ValidatorSet + Send + Sync> {
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match spec {
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ValidatorSpec::List(list) => Box::new(SimpleList::new(list.into_iter().map(Into::into).collect())),
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ValidatorSpec::SafeContract(address) => Box::new(Arc::new(ValidatorSafeContract::new(address.into()))),
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ValidatorSpec::Contract(address) => Box::new(Arc::new(ValidatorContract::new(address.into()))),
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}
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}
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pub trait ValidatorSet {
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/// Checks if a given address is a validator.
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fn contains(&self, address: &Address) -> bool;
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/// Draws an validator nonce modulo number of validators.
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fn get(&self, nonce: usize) -> Address;
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/// Returns the current number of validators.
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fn count(&self) -> usize;
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/// Notifies about malicious behaviour.
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fn report_malicious(&self, _validator: &Address) {}
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/// Notifies about benign misbehaviour.
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fn report_benign(&self, _validator: &Address) {}
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/// Allows blockchain state access.
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fn register_contract(&self, _client: Weak<Client>) {}
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}
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