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Tree states optimization using EpochCache (#4429)

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* Relocate epoch cache to BeaconState

* Optimize per block processing by pulling previous epoch & current epoch calculation up.

* Revert `get_cow` change (no performance improvement)

* Initialize `EpochCache` in epoch processing and load it from state when getting base rewards.

* Initialize `EpochCache` at start of block processing if required.

* Initialize `EpochCache` in `transition_blocks` if `exclude_cache_builds` is enabled

* Fix epoch cache initialization logic

* Remove FIXME comment.

* Cache previous & current epochs in `consensus_context.rs`.

* Move `get_base_rewards` from `ConsensusContext` to `BeaconState`.

* Update Milhouse version
This commit is contained in:
Jimmy Chen
2023-06-30 11:25:51 +10:00
committed by GitHub
parent 160bbde8a2
commit 2df714e2cd
19 changed files with 237 additions and 196 deletions
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27
consensus/state_processing/src/per_block_processing/process_operations.rs
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@@ -113,6 +113,7 @@ pub mod altair {
})
}
#[allow(clippy::too_many_arguments)]
pub fn process_attestation<T: EthSpec>(
state: &mut BeaconState<T>,
attestation: &Attestation<T>,
@@ -149,18 +150,22 @@ pub mod altair {
let index = *index as usize;
for (flag_index, &weight) in PARTICIPATION_FLAG_WEIGHTS.iter().enumerate() {
let epoch_participation = state.get_epoch_participation_mut(data.target.epoch)?;
let validator_participation = epoch_participation
.get_mut(index)
.ok_or(BeaconStateError::ParticipationOutOfBounds(index))?;
let epoch_participation = state.get_epoch_participation_mut(
data.target.epoch,
ctxt.previous_epoch,
ctxt.current_epoch,
)?;
if participation_flag_indices.contains(&flag_index)
&& !validator_participation.has_flag(flag_index)?
{
validator_participation.add_flag(flag_index)?;
proposer_reward_numerator.safe_add_assign(
ctxt.get_base_reward(state, index, spec)?.safe_mul(weight)?,
)?;
if participation_flag_indices.contains(&flag_index) {
let validator_participation = epoch_participation
.get_mut(index)
.ok_or(BeaconStateError::ParticipationOutOfBounds(index))?;
if !validator_participation.has_flag(flag_index)? {
validator_participation.add_flag(flag_index)?;
proposer_reward_numerator
.safe_add_assign(state.get_base_reward(index)?.safe_mul(weight)?)?;
}
}
}
}