83 lines
2.9 KiB
Rust
83 lines
2.9 KiB
Rust
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use super::{process_registry_updates, process_slashings, EpochProcessingSummary, Error};
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use crate::per_epoch_processing::{
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effective_balance_updates::process_effective_balance_updates,
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historical_roots_update::process_historical_roots_update,
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resets::{process_eth1_data_reset, process_randao_mixes_reset, process_slashings_reset},
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validator_statuses::ValidatorStatuses,
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};
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pub use inactivity_updates::process_inactivity_updates;
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pub use justification_and_finalization::process_justification_and_finalization;
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pub use participation_flag_updates::process_participation_flag_updates;
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pub use rewards_and_penalties::process_rewards_and_penalties;
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pub use sync_committee_updates::process_sync_committee_updates;
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use types::{BeaconState, ChainSpec, EthSpec, RelativeEpoch};
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pub mod inactivity_updates;
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pub mod justification_and_finalization;
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pub mod participation_flag_updates;
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pub mod rewards_and_penalties;
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pub mod sync_committee_updates;
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pub fn process_epoch<T: EthSpec>(
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state: &mut BeaconState<T>,
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spec: &ChainSpec,
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) -> Result<EpochProcessingSummary, Error> {
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// Ensure the committee caches are built.
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state.build_committee_cache(RelativeEpoch::Previous, spec)?;
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state.build_committee_cache(RelativeEpoch::Current, spec)?;
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state.build_committee_cache(RelativeEpoch::Next, spec)?;
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// Justification and finalization.
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process_justification_and_finalization(state, spec)?;
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process_inactivity_updates(state, spec)?;
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// Rewards and Penalties.
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process_rewards_and_penalties(state, spec)?;
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// Registry Updates.
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process_registry_updates(state, spec)?;
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// Slashings.
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process_slashings(
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state,
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state.get_total_active_balance(spec)?,
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spec.proportional_slashing_multiplier_altair,
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spec,
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)?;
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// Reset eth1 data votes.
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process_eth1_data_reset(state)?;
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// Update effective balances with hysteresis (lag).
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process_effective_balance_updates(state, spec)?;
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// Reset slashings
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process_slashings_reset(state)?;
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// Set randao mix
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process_randao_mixes_reset(state)?;
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// Set historical root accumulator
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process_historical_roots_update(state)?;
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// Rotate current/previous epoch participation
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process_participation_flag_updates(state)?;
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process_sync_committee_updates(state, spec)?;
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// Rotate the epoch caches to suit the epoch transition.
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state.advance_caches()?;
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// FIXME(altair): this is an incorrect dummy value, we should think harder
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// about how we want to unify validator statuses between phase0 & altair.
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// We should benchmark the new state transition and work out whether Altair could
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// be accelerated by some similar cache.
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let validator_statuses = ValidatorStatuses::new(state, spec)?;
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Ok(EpochProcessingSummary {
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total_balances: validator_statuses.total_balances,
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statuses: validator_statuses.statuses,
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})
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}
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