mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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4b033f4cc7
* Update go to 1.19.3 * Update other items to 1.19 * Update golangci-lint to latest release * Run gofmt -s with go1.19 * Huge gofmt changes Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
66 lines
2.3 KiB
Go
66 lines
2.3 KiB
Go
package altair
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import (
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"context"
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"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
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"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/time"
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"github.com/prysmaticlabs/prysm/v3/beacon-chain/state"
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"github.com/prysmaticlabs/prysm/v3/config/params"
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log "github.com/sirupsen/logrus"
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)
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// ProcessSyncCommitteeUpdates processes sync client committee updates for the beacon state.
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//
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// Spec code:
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// def process_sync_committee_updates(state: BeaconState) -> None:
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//
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// next_epoch = get_current_epoch(state) + Epoch(1)
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// if next_epoch % EPOCHS_PER_SYNC_COMMITTEE_PERIOD == 0:
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// state.current_sync_committee = state.next_sync_committee
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// state.next_sync_committee = get_next_sync_committee(state)
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func ProcessSyncCommitteeUpdates(ctx context.Context, beaconState state.BeaconState) (state.BeaconState, error) {
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nextEpoch := time.NextEpoch(beaconState)
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if nextEpoch%params.BeaconConfig().EpochsPerSyncCommitteePeriod == 0 {
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nextSyncCommittee, err := beaconState.NextSyncCommittee()
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if err != nil {
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return nil, err
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}
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if err := beaconState.SetCurrentSyncCommittee(nextSyncCommittee); err != nil {
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return nil, err
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}
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nextSyncCommittee, err = NextSyncCommittee(ctx, beaconState)
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if err != nil {
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return nil, err
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}
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if err := beaconState.SetNextSyncCommittee(nextSyncCommittee); err != nil {
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return nil, err
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}
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if err := helpers.UpdateSyncCommitteeCache(beaconState); err != nil {
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log.WithError(err).Error("Could not update sync committee cache")
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}
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}
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return beaconState, nil
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}
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// ProcessParticipationFlagUpdates processes participation flag updates by rotating current to previous.
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//
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// Spec code:
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// def process_participation_flag_updates(state: BeaconState) -> None:
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//
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// state.previous_epoch_participation = state.current_epoch_participation
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// state.current_epoch_participation = [ParticipationFlags(0b0000_0000) for _ in range(len(state.validators))]
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func ProcessParticipationFlagUpdates(beaconState state.BeaconState) (state.BeaconState, error) {
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c, err := beaconState.CurrentEpochParticipation()
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if err != nil {
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return nil, err
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}
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if err := beaconState.SetPreviousParticipationBits(c); err != nil {
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return nil, err
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}
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if err := beaconState.SetCurrentParticipationBits(make([]byte, beaconState.NumValidators())); err != nil {
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return nil, err
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}
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return beaconState, nil
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}
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