115 lines
3.2 KiB
Rust
115 lines
3.2 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. 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::{
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atomic::{AtomicUsize, Ordering as AtomicOrdering},
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Arc,
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};
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use bytes::Bytes;
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use ethereum_types::{Address, H256};
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use parity_util_mem::MallocSizeOf;
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use types::{header::Header, BlockNumber};
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use super::{SimpleList, ValidatorSet};
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use machine::{AuxiliaryData, Call, EthereumMachine};
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/// Set used for testing with a single validator.
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#[derive(MallocSizeOf)]
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pub struct TestSet {
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validator: SimpleList,
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last_malicious: Arc<AtomicUsize>,
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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(Default::default(), Default::default())
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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>) -> Self {
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TestSet {
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validator: SimpleList::new(vec![Address::from_str(
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"7d577a597b2742b498cb5cf0c26cdcd726d39e6e",
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)
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.unwrap()]),
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last_malicious,
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last_benign,
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}
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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: ::types::ids::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 is_epoch_end(&self, _first: bool, _chain_head: &Header) -> Option<Vec<u8>> {
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None
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}
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fn signals_epoch_end(
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&self,
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_: bool,
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_: &Header,
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_: AuxiliaryData,
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) -> ::engines::EpochChange<EthereumMachine> {
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::engines::EpochChange::No
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}
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fn epoch_set(
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&self,
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_: bool,
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_: &EthereumMachine,
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_: BlockNumber,
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_: &[u8],
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) -> Result<(SimpleList, Option<H256>), ::error::Error> {
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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(
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&self,
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_validator: &Address,
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_set_block: BlockNumber,
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block: BlockNumber,
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_proof: Bytes,
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) {
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self.last_malicious
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.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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self.last_benign
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.store(block as usize, AtomicOrdering::SeqCst)
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}
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}
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