lighthouse/slasher/tests/proposer_slashings.rs

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Rust
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use slasher::{
test_utils::{block as test_block, logger, E},
Config, Slasher,
};
use tempfile::tempdir;
use types::{Epoch, EthSpec};
#[test]
fn empty_pruning() {
let tempdir = tempdir().unwrap();
let config = Config::new(tempdir.path().into());
let slasher = Slasher::<E>::open(config, logger()).unwrap();
slasher.prune_database(Epoch::new(0)).unwrap();
}
#[test]
fn block_pruning() {
let slots_per_epoch = E::slots_per_epoch();
let tempdir = tempdir().unwrap();
let mut config = Config::new(tempdir.path().into());
config.chunk_size = 2;
config.history_length = 2;
let slasher = Slasher::<E>::open(config.clone(), logger()).unwrap();
let current_epoch = Epoch::from(2 * config.history_length);
// Pruning the empty database should be safe.
slasher.prune_database(Epoch::new(0)).unwrap();
slasher.prune_database(current_epoch).unwrap();
// Add blocks in excess of the history length and prune them away.
let proposer_index = 100_000; // high to check sorting by slot
for slot in 1..=current_epoch.as_u64() * slots_per_epoch {
slasher.accept_block_header(test_block(slot, proposer_index, 0));
}
slasher.process_queued(current_epoch).unwrap();
slasher.prune_database(current_epoch).unwrap();
// Add more conflicting blocks, and check that only the ones within the non-pruned
// section are detected as slashable.
for slot in 1..=current_epoch.as_u64() * slots_per_epoch {
slasher.accept_block_header(test_block(slot, proposer_index, 1));
}
slasher.process_queued(current_epoch).unwrap();
let proposer_slashings = slasher.get_proposer_slashings();
// Check number of proposer slashings, accounting for single block in current epoch.
assert_eq!(
proposer_slashings.len(),
(config.history_length - 1) * slots_per_epoch as usize + 1
);
// Check epochs of all slashings are from within range.
assert!(proposer_slashings.iter().all(|slashing| slashing
.signed_header_1
.message
.slot
.epoch(slots_per_epoch)
> current_epoch - config.history_length as u64));
}