openethereum/ethcore/src/engines/validator_set/test.rs

90 lines
2.8 KiB
Rust

// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
/// Used for Engine testing.
use std::str::FromStr;
use std::sync::Arc;
use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrdering};
use heapsize::HeapSizeOf;
use ethereum_types::{H256, Address};
use bytes::Bytes;
use machine::{AuxiliaryData, Call, EthereumMachine};
use header::{Header, BlockNumber};
use super::{ValidatorSet, SimpleList};
/// Set used for testing with a single validator.
pub struct TestSet {
validator: SimpleList,
last_malicious: Arc<AtomicUsize>,
last_benign: Arc<AtomicUsize>,
}
impl TestSet {
pub fn new(last_malicious: Arc<AtomicUsize>, last_benign: Arc<AtomicUsize>) -> Self {
TestSet {
validator: SimpleList::new(vec![Address::from_str("7d577a597b2742b498cb5cf0c26cdcd726d39e6e").unwrap()]),
last_malicious: last_malicious,
last_benign: last_benign,
}
}
}
impl HeapSizeOf for TestSet {
fn heap_size_of_children(&self) -> usize {
self.validator.heap_size_of_children()
}
}
impl ValidatorSet for TestSet {
fn default_caller(&self, _block_id: ::ids::BlockId) -> Box<Call> {
Box::new(|_, _| Err("Test set doesn't require calls.".into()))
}
fn is_epoch_end(&self, _first: bool, _chain_head: &Header) -> Option<Vec<u8>> { None }
fn signals_epoch_end(&self, _: bool, _: &Header, _: AuxiliaryData)
-> ::engines::EpochChange<EthereumMachine>
{
::engines::EpochChange::No
}
fn epoch_set(&self, _: bool, _: &EthereumMachine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), ::error::Error> {
Ok((self.validator.clone(), None))
}
fn contains_with_caller(&self, bh: &H256, address: &Address, _: &Call) -> bool {
self.validator.contains(bh, address)
}
fn get_with_caller(&self, bh: &H256, nonce: usize, _: &Call) -> Address {
self.validator.get(bh, nonce)
}
fn count_with_caller(&self, _bh: &H256, _: &Call) -> usize {
1
}
fn report_malicious(&self, _validator: &Address, _set_block: BlockNumber, block: BlockNumber, _proof: Bytes) {
self.last_malicious.store(block as usize, AtomicOrdering::SeqCst)
}
fn report_benign(&self, _validator: &Address, _set_block: BlockNumber, block: BlockNumber) {
self.last_benign.store(block as usize, AtomicOrdering::SeqCst)
}
}