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Single-pass epoch processing (#4483)

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This commit is contained in:
Michael Sproul
2023-07-18 16:59:55 +10:00
committed by GitHub
parent 079cd67df2
commit 5d2063d262
42 changed files with 1558 additions and 730 deletions
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86
consensus/state_processing/src/per_epoch_processing/capella.rs
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@@ -1,89 +1,3 @@
use super::altair::inactivity_updates::process_inactivity_updates;
use super::altair::justification_and_finalization::process_justification_and_finalization;
use super::altair::participation_cache::ParticipationCache;
use super::altair::participation_flag_updates::process_participation_flag_updates;
use super::altair::rewards_and_penalties::process_rewards_and_penalties;
use super::altair::sync_committee_updates::process_sync_committee_updates;
use super::{process_registry_updates, process_slashings, EpochProcessingSummary, Error};
use crate::per_epoch_processing::{
effective_balance_updates::process_effective_balance_updates,
resets::{process_eth1_data_reset, process_randao_mixes_reset, process_slashings_reset},
};
use types::{BeaconState, ChainSpec, EthSpec, RelativeEpoch};
use crate::common::update_progressive_balances_cache::{
initialize_progressive_balances_cache, update_progressive_balances_on_epoch_transition,
};
use crate::epoch_cache::initialize_epoch_cache;
pub use historical_summaries_update::process_historical_summaries_update;
mod historical_summaries_update;
pub fn process_epoch<T: EthSpec>(
state: &mut BeaconState<T>,
spec: &ChainSpec,
) -> Result<EpochProcessingSummary<T>, Error> {
// Ensure the committee caches are built.
state.build_committee_cache(RelativeEpoch::Previous, spec)?;
state.build_committee_cache(RelativeEpoch::Current, spec)?;
state.build_committee_cache(RelativeEpoch::Next, spec)?;
state.build_total_active_balance_cache_at(state.current_epoch(), spec)?;
initialize_epoch_cache(state, state.current_epoch(), spec)?;
// Pre-compute participating indices and total balances.
let mut participation_cache = ParticipationCache::new(state, spec)?;
let sync_committee = state.current_sync_committee()?.clone();
initialize_progressive_balances_cache(state, Some(&participation_cache), spec)?;
// Justification and finalization.
let justification_and_finalization_state =
process_justification_and_finalization(state, &participation_cache)?;
justification_and_finalization_state.apply_changes_to_state(state);
process_inactivity_updates(state, &mut participation_cache, spec)?;
// Rewards and Penalties.
process_rewards_and_penalties(state, &participation_cache, spec)?;
// Registry Updates.
process_registry_updates(state, spec)?;
// Slashings.
process_slashings(
state,
Some(participation_cache.process_slashings_indices()),
participation_cache.current_epoch_total_active_balance(),
spec,
)?;
// Reset eth1 data votes.
process_eth1_data_reset(state)?;
// Update effective balances with hysteresis (lag).
process_effective_balance_updates(state, Some(&participation_cache), spec)?;
// Reset slashings
process_slashings_reset(state)?;
// Set randao mix
process_randao_mixes_reset(state)?;
// Set historical summaries accumulator
process_historical_summaries_update(state)?;
// Rotate current/previous epoch participation
process_participation_flag_updates(state)?;
process_sync_committee_updates(state, spec)?;
// Rotate the epoch caches to suit the epoch transition.
state.advance_caches(spec)?;
initialize_epoch_cache(state, state.next_epoch()?, spec)?;
update_progressive_balances_on_epoch_transition(state, spec)?;
Ok(EpochProcessingSummary::Altair {
participation_cache,
sync_committee,
})
}