128 lines
3.7 KiB
Rust
128 lines
3.7 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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/// Used for Engine testing.
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use std::str::FromStr;
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use std::sync::Arc;
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use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrdering};
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use log::trace;
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use parity_util_mem::MallocSizeOf;
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use common_types::{
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BlockNumber,
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ids::BlockId,
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header::Header,
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errors::EthcoreError,
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engines::machine::{Call, AuxiliaryData},
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};
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use ethereum_types::{H256, Address};
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use machine::Machine;
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use parity_bytes::Bytes;
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use super::{SystemCall, ValidatorSet, SimpleList};
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/// Set used for testing with a single validator.
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#[derive(Clone, MallocSizeOf, Debug)]
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pub struct TestSet {
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validator: SimpleList,
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#[ignore_malloc_size_of = "zero sized"]
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last_malicious: Arc<AtomicUsize>,
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#[ignore_malloc_size_of = "zero sized"]
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last_benign: Arc<AtomicUsize>,
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}
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impl Default for TestSet {
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fn default() -> Self {
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TestSet::new(
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Default::default(),
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Default::default(),
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vec![Address::from_str("7d577a597b2742b498cb5cf0c26cdcd726d39e6e").unwrap()]
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)
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}
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}
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impl TestSet {
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pub fn new(last_malicious: Arc<AtomicUsize>, last_benign: Arc<AtomicUsize>, validators: Vec<Address>) -> Self {
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TestSet {
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validator: SimpleList::new(validators),
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last_malicious,
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last_benign,
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}
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}
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pub fn from_validators(validators: Vec<Address>) -> Self {
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TestSet::new(Default::default(), Default::default(), validators)
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}
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pub fn last_malicious(&self) -> usize {
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self.last_malicious.load(AtomicOrdering::SeqCst)
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}
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pub fn last_benign(&self) -> usize {
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self.last_benign.load(AtomicOrdering::SeqCst)
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}
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}
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impl ValidatorSet for TestSet {
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fn default_caller(&self, _block_id: BlockId) -> Box<Call> {
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Box::new(|_, _| Err("Test set doesn't require calls.".into()))
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}
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fn generate_engine_transactions(&self, _first: bool, _header: &Header, _call: &mut SystemCall)
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-> Result<Vec<(Address, Bytes)>, EthcoreError>
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{
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Ok(Vec::new())
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}
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fn on_close_block(&self, _header: &Header, _address: &Address) -> Result<(), EthcoreError> {
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Ok(())
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}
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fn is_epoch_end(&self, _first: bool, _chain_head: &Header) -> Option<Vec<u8>> { None }
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fn signals_epoch_end(&self, _: bool, _: &Header, _: AuxiliaryData)
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-> engine::EpochChange
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{
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engine::EpochChange::No
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}
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fn epoch_set(&self, _: bool, _: &Machine, _: BlockNumber, _: &[u8]) -> Result<(SimpleList, Option<H256>), EthcoreError> {
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Ok((self.validator.clone(), None))
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}
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fn contains_with_caller(&self, bh: &H256, address: &Address, _: &Call) -> bool {
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self.validator.contains(bh, address)
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}
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fn get_with_caller(&self, bh: &H256, nonce: usize, _: &Call) -> Address {
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self.validator.get(bh, nonce)
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}
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fn count_with_caller(&self, _bh: &H256, _: &Call) -> usize {
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1
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}
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fn report_malicious(&self, _validator: &Address, _set_block: BlockNumber, block: BlockNumber, _proof: Bytes) {
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self.last_malicious.store(block as usize, AtomicOrdering::SeqCst)
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}
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fn report_benign(&self, _validator: &Address, _set_block: BlockNumber, block: BlockNumber) {
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trace!(target: "engine", "test validator set recording benign misbehaviour");
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self.last_benign.store(block as usize, AtomicOrdering::SeqCst)
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}
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}
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