7c335e8764
* misc: bump license header to 2019 * misc: remove_duplicate_empty_lines.sh * misc: run license header script * commit cargo lock
82 lines
2.4 KiB
Rust
82 lines
2.4 KiB
Rust
// 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/>.
|
|
|
|
//! Stores recently seen bad blocks.
|
|
|
|
use bytes::{Bytes, ToPretty};
|
|
use ethereum_types::H256;
|
|
use itertools::Itertools;
|
|
use memory_cache::MemoryLruCache;
|
|
use parking_lot::RwLock;
|
|
use verification::queue::kind::blocks::Unverified;
|
|
|
|
/// Recently seen bad blocks.
|
|
pub struct BadBlocks {
|
|
last_blocks: RwLock<MemoryLruCache<H256, (Unverified, String)>>,
|
|
}
|
|
|
|
impl Default for BadBlocks {
|
|
fn default() -> Self {
|
|
BadBlocks {
|
|
last_blocks: RwLock::new(MemoryLruCache::new(8 * 1024 * 1024)),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl BadBlocks {
|
|
/// Reports given RLP as invalid block.
|
|
pub fn report(&self, raw: Bytes, message: String) {
|
|
match Unverified::from_rlp(raw) {
|
|
Ok(unverified) => {
|
|
error!(
|
|
target: "client",
|
|
"\nBad block detected: {}\nRLP: {}\nHeader: {:?}\nUncles: {}\nTransactions:{}\n",
|
|
message,
|
|
unverified.bytes.to_hex(),
|
|
unverified.header,
|
|
unverified.uncles
|
|
.iter()
|
|
.enumerate()
|
|
.map(|(index, uncle)| format!("[Uncle {}] {:?}", index, uncle))
|
|
.join("\n"),
|
|
unverified.transactions
|
|
.iter()
|
|
.enumerate()
|
|
.map(|(index, tx)| format!("[Tx {}] {:?}", index, tx))
|
|
.join("\n"),
|
|
);
|
|
self.last_blocks.write().insert(unverified.header.hash(), (unverified, message));
|
|
},
|
|
Err(err) => {
|
|
error!(target: "client", "Bad undecodable block detected: {}\n{:?}", message, err);
|
|
},
|
|
}
|
|
}
|
|
|
|
/// Returns a list of recently detected bad blocks with error descriptions.
|
|
pub fn bad_blocks(&self) -> Vec<(Unverified, String)> {
|
|
self.last_blocks.read()
|
|
.backstore()
|
|
.iter()
|
|
.map(|(_k, (unverified, message))| (
|
|
Unverified::from_rlp(unverified.bytes.clone())
|
|
.expect("Bytes coming from UnverifiedBlock so decodable; qed"),
|
|
message.clone(),
|
|
))
|
|
.collect()
|
|
}
|
|
}
|