nimbus-eth2/tests/spec_epoch_processing/epoch_utils.nim

34 lines
1.3 KiB
Nim

# beacon_chain
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import
# Specs
../../beacon_chain/spec/[
datatypes, state_transition_epoch, validator, state_transition]
proc processSlotsUntilEndCurrentEpoch(state: var HashedBeaconState) =
# Process all slots until the end of the last slot of the current epoch
let slot =
state.data.slot + SLOTS_PER_EPOCH - (state.data.slot mod SLOTS_PER_EPOCH)
# Transition to slot before the epoch state transition
discard process_slots(state, slot - 1)
# For the last slot of the epoch,
# only process_slot without process_epoch
# (see process_slots())
process_slot(state)
proc transitionEpochUntilJustificationFinalization*(state: var HashedBeaconState) =
# Process slots and do the epoch transition until crosslinks
processSlotsUntilEndCurrentEpoch(state)
# From process_epoch()
var per_epoch_cache = get_empty_per_epoch_cache()
process_justification_and_finalization(state.data, per_epoch_cache, {})