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5828ff1204
This is an implementation of a slasher that lives inside the BN and can be enabled via `lighthouse bn --slasher`. Features included in this PR: - [x] Detection of attester slashing conditions (double votes, surrounds existing, surrounded by existing) - [x] Integration into Lighthouse's attestation verification flow - [x] Detection of proposer slashing conditions - [x] Extraction of attestations from blocks as they are verified - [x] Compression of chunks - [x] Configurable history length - [x] Pruning of old attestations and blocks - [x] More tests Future work: * Focus on a slice of history separate from the most recent N epochs (e.g. epochs `current - K` to `current - M`) * Run out-of-process * Ingest attestations from the chain without a resync Design notes are here https://hackmd.io/@sproul/HJSEklmPL
27 lines
601 B
Rust
27 lines
601 B
Rust
use parking_lot::Mutex;
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use types::SignedBeaconBlockHeader;
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#[derive(Debug, Default)]
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pub struct BlockQueue {
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blocks: Mutex<Vec<SignedBeaconBlockHeader>>,
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}
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impl BlockQueue {
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pub fn queue(&self, block_header: SignedBeaconBlockHeader) {
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self.blocks.lock().push(block_header)
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}
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pub fn dequeue(&self) -> Vec<SignedBeaconBlockHeader> {
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let mut blocks = self.blocks.lock();
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std::mem::replace(&mut *blocks, vec![])
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}
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pub fn len(&self) -> usize {
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self.blocks.lock().len()
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}
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pub fn is_empty(&self) -> bool {
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self.len() == 0
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}
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}
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