gnosis/lighthouse
1
0
Fork 0
mirror of https://github.com/sigp/lighthouse.git synced 2026-04-29 02:33:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge 'upstream/unstable' into capella (#3773)

Browse Source 
* Add API endpoint to count statuses of all validators (#3756)
* Delete DB schema migrations for v11 and earlier (#3761)

Co-authored-by: Mac L <mjladson@pm.me>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
This commit is contained in:
ethDreamer
2022-12-03 14:05:25 -06:00
committed by GitHub
parent 1a39976715
commit 5282e200be
17 changed files with 122 additions and 1354 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
beacon_node/beacon_chain/src/beacon_chain.rs
View File

@@ -1009,46 +1009,6 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
Ok(self.store.get_state(state_root, slot)?)
}
/// Run a function with mutable access to a state for `block_root`.
///
/// The primary purpose of this function is to borrow a state with its tree hash cache
/// from the snapshot cache *without moving it*. This means that calls to this function should
/// be kept to an absolute minimum, because holding the snapshot cache lock has the ability
/// to delay block import.
///
/// If there is no appropriate state in the snapshot cache then one will be loaded from disk.
/// If no state is found on disk then `Ok(None)` will be returned.
///
/// The 2nd parameter to the closure is a bool indicating whether the snapshot cache was used,
/// which can inform logging/metrics.
///
/// NOTE: the medium-term plan is to delete this function and the snapshot cache in favour
/// of `tree-states`, where all caches are CoW and everything is good in the world.
pub fn with_mutable_state_for_block<F, V, Payload: AbstractExecPayload<T::EthSpec>>(
&self,
block: &SignedBeaconBlock<T::EthSpec, Payload>,
block_root: Hash256,
f: F,
) -> Result<Option<V>, Error>
where
F: FnOnce(&mut BeaconState<T::EthSpec>, bool) -> Result<V, Error>,
{
if let Some(state) = self
.snapshot_cache
.try_write_for(BLOCK_PROCESSING_CACHE_LOCK_TIMEOUT)
.ok_or(Error::SnapshotCacheLockTimeout)?
.borrow_unadvanced_state_mut(block_root)
{
let cache_hit = true;
f(state, cache_hit).map(Some)
} else if let Some(mut state) = self.get_state(&block.state_root(), Some(block.slot()))? {
let cache_hit = false;
f(&mut state, cache_hit).map(Some)
} else {
Ok(None)
}
}
/// Return the sync committee at `slot + 1` from the canonical chain.
///
/// This is useful when dealing with sync committee messages, because messages are signed