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update spec ref URLs in state_transition_epoch (#4016)

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beacon_chain/spec/state_transition_epoch.nim
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@ -6,8 +6,8 @@
# at your option. This file may not be copied, modified, or distributed except according to those terms. # at your option. This file may not be copied, modified, or distributed except according to those terms.
# State transition - epoch processing, as described in # State transition - epoch processing, as described in
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#epoch-processing and # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#epoch-processing and
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#epoch-processing # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#epoch-processing
# #
# The entry point is `process_epoch`, which is at the bottom of this file. # The entry point is `process_epoch`, which is at the bottom of this file.
# #
@ -38,7 +38,7 @@ export extras, phase0, altair
logScope: topics = "consens" logScope: topics = "consens"
# Accessors that implement the max condition in `get_total_balance`: # Accessors that implement the max condition in `get_total_balance`:
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#get_total_balance # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#get_total_balance
template current_epoch*(v: TotalBalances): Gwei = template current_epoch*(v: TotalBalances): Gwei =
max(EFFECTIVE_BALANCE_INCREMENT, v.current_epoch_raw) max(EFFECTIVE_BALANCE_INCREMENT, v.current_epoch_raw)
template previous_epoch*(v: TotalBalances): Gwei = template previous_epoch*(v: TotalBalances): Gwei =
@ -153,7 +153,7 @@ func process_attestations*(
if v.flags.contains RewardFlags.isPreviousEpochHeadAttester: if v.flags.contains RewardFlags.isPreviousEpochHeadAttester:
info.balances.previous_epoch_head_attesters_raw += validator_balance info.balances.previous_epoch_head_attesters_raw += validator_balance
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#helpers # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#helpers
# get_eligible_validator_indices # get_eligible_validator_indices
func is_eligible_validator*(validator: RewardStatus): bool = func is_eligible_validator*(validator: RewardStatus): bool =
validator.flags.contains(RewardFlags.isActiveInPreviousEpoch) or validator.flags.contains(RewardFlags.isActiveInPreviousEpoch) or
@ -170,8 +170,8 @@ func is_eligible_validator*(validator: ParticipationInfo): bool =
# Spec # Spec
# -------------------------------------------------------- # --------------------------------------------------------
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_unslashed_participating_indices # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_unslashed_participating_indices
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#get_total_balance # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#get_total_balance
func get_unslashed_participating_balances*( func get_unslashed_participating_balances*(
state: altair.BeaconState | bellatrix.BeaconState state: altair.BeaconState | bellatrix.BeaconState
): UnslashedParticipatingBalances = ): UnslashedParticipatingBalances =
@ -238,7 +238,7 @@ func is_unslashed_participating_index(
has_flag(epoch_participation[].item(validator_index), flag_index) and has_flag(epoch_participation[].item(validator_index), flag_index) and
not state.validators[validator_index].slashed not state.validators[validator_index].slashed
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#justification-and-finalization # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#justification-and-finalization
type FinalityState = object type FinalityState = object
slot: Slot slot: Slot
current_epoch_ancestor_root: Eth2Digest current_epoch_ancestor_root: Eth2Digest
@ -306,7 +306,7 @@ proc weigh_justification_and_finalization(
## state.justification_bits[1:] = state.justification_bits[:-1] ## state.justification_bits[1:] = state.justification_bits[:-1]
## state.justification_bits[0] = 0b0 ## state.justification_bits[0] = 0b0
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#misc # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#misc
const JUSTIFICATION_BITS_LENGTH = 4 const JUSTIFICATION_BITS_LENGTH = 4
state.justification_bits = JustificationBits( state.justification_bits = JustificationBits(
@ -382,7 +382,7 @@ proc weigh_justification_and_finalization(
current_epoch = current_epoch, current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint) checkpoint = shortLog(state.finalized_checkpoint)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#justification-and-finalization # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#justification-and-finalization
proc process_justification_and_finalization*( proc process_justification_and_finalization*(
state: var phase0.BeaconState, state: var phase0.BeaconState,
balances: TotalBalances, flags: UpdateFlags = {}) = balances: TotalBalances, flags: UpdateFlags = {}) =
@ -418,7 +418,7 @@ proc compute_unrealized_finality*(
justified: finalityState.current_justified_checkpoint, justified: finalityState.current_justified_checkpoint,
finalized: finalityState.finalized_checkpoint) finalized: finalityState.finalized_checkpoint)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#justification-and-finalization # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#justification-and-finalization
proc process_justification_and_finalization*( proc process_justification_and_finalization*(
state: var (altair.BeaconState | bellatrix.BeaconState), state: var (altair.BeaconState | bellatrix.BeaconState),
balances: UnslashedParticipatingBalances, balances: UnslashedParticipatingBalances,
@ -456,7 +456,7 @@ proc compute_unrealized_finality*(
justified: finalityState.current_justified_checkpoint, justified: finalityState.current_justified_checkpoint,
finalized: finalityState.finalized_checkpoint) finalized: finalityState.finalized_checkpoint)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#helpers # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#helpers
func get_base_reward_sqrt*(state: phase0.BeaconState, index: ValidatorIndex, func get_base_reward_sqrt*(state: phase0.BeaconState, index: ValidatorIndex,
total_balance_sqrt: auto): Gwei = total_balance_sqrt: auto): Gwei =
# Spec function recalculates total_balance every time, which creates an # Spec function recalculates total_balance every time, which creates an
@ -504,7 +504,7 @@ func get_attestation_component_delta(is_unslashed_attester: bool,
else: else:
RewardDelta(penalties: base_reward) RewardDelta(penalties: base_reward)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#components-of-attestation-deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#components-of-attestation-deltas
func get_source_delta*(validator: RewardStatus, func get_source_delta*(validator: RewardStatus,
base_reward: uint64, base_reward: uint64,
balances: TotalBalances, balances: TotalBalances,
@ -582,7 +582,7 @@ func get_inactivity_penalty_delta*(validator: RewardStatus,
delta delta
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#get_attestation_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#get_attestation_deltas
func get_attestation_deltas(state: phase0.BeaconState, info: var phase0.EpochInfo) = func get_attestation_deltas(state: phase0.BeaconState, info: var phase0.EpochInfo) =
## Update rewards with attestation reward/penalty deltas for each validator. ## Update rewards with attestation reward/penalty deltas for each validator.
@ -626,7 +626,7 @@ func get_attestation_deltas(state: phase0.BeaconState, info: var phase0.EpochInf
info.validators[proposer_index].delta.add( info.validators[proposer_index].delta.add(
proposer_delta.get()[1]) proposer_delta.get()[1])
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_base_reward # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_base_reward
func get_base_reward_increment*( func get_base_reward_increment*(
state: altair.BeaconState | bellatrix.BeaconState, index: ValidatorIndex, state: altair.BeaconState | bellatrix.BeaconState, index: ValidatorIndex,
base_reward_per_increment: Gwei): Gwei = base_reward_per_increment: Gwei): Gwei =
@ -636,7 +636,7 @@ func get_base_reward_increment*(
state.validators[index].effective_balance div EFFECTIVE_BALANCE_INCREMENT state.validators[index].effective_balance div EFFECTIVE_BALANCE_INCREMENT
increments * base_reward_per_increment increments * base_reward_per_increment
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_flag_index_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_flag_index_deltas
func get_flag_index_reward*(state: altair.BeaconState | bellatrix.BeaconState, func get_flag_index_reward*(state: altair.BeaconState | bellatrix.BeaconState,
base_reward: Gwei, active_increments: Gwei, base_reward: Gwei, active_increments: Gwei,
unslashed_participating_increments: Gwei, unslashed_participating_increments: Gwei,
@ -648,16 +648,16 @@ func get_flag_index_reward*(state: altair.BeaconState | bellatrix.BeaconState,
else: else:
0.Gwei 0.Gwei
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_flag_index_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_flag_index_deltas
func get_unslashed_participating_increment*( func get_unslashed_participating_increment*(
info: altair.EpochInfo | bellatrix.BeaconState, flag_index: int): Gwei = info: altair.EpochInfo | bellatrix.BeaconState, flag_index: int): Gwei =
info.balances.previous_epoch[flag_index] div EFFECTIVE_BALANCE_INCREMENT info.balances.previous_epoch[flag_index] div EFFECTIVE_BALANCE_INCREMENT
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_flag_index_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_flag_index_deltas
func get_active_increments*(info: altair.EpochInfo | bellatrix.BeaconState): Gwei = func get_active_increments*(info: altair.EpochInfo | bellatrix.BeaconState): Gwei =
info.balances.current_epoch div EFFECTIVE_BALANCE_INCREMENT info.balances.current_epoch div EFFECTIVE_BALANCE_INCREMENT
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#get_flag_index_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#get_flag_index_deltas
iterator get_flag_index_deltas*( iterator get_flag_index_deltas*(
state: altair.BeaconState | bellatrix.BeaconState, flag_index: int, state: altair.BeaconState | bellatrix.BeaconState, flag_index: int,
base_reward_per_increment: Gwei, base_reward_per_increment: Gwei,
@ -702,7 +702,7 @@ iterator get_flag_index_deltas*(
else: else:
(vidx, RewardDelta(rewards: 0.Gwei, penalties: 0.Gwei)) (vidx, RewardDelta(rewards: 0.Gwei, penalties: 0.Gwei))
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#modified-get_inactivity_penalty_deltas # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#modified-get_inactivity_penalty_deltas
iterator get_inactivity_penalty_deltas*( iterator get_inactivity_penalty_deltas*(
cfg: RuntimeConfig, state: altair.BeaconState, info: altair.EpochInfo): cfg: RuntimeConfig, state: altair.BeaconState, info: altair.EpochInfo):
(ValidatorIndex, Gwei) = (ValidatorIndex, Gwei) =
@ -747,7 +747,7 @@ iterator get_inactivity_penalty_deltas*(
state.inactivity_scores[vidx] state.inactivity_scores[vidx]
yield (vidx, Gwei(penalty_numerator div penalty_denominator)) yield (vidx, Gwei(penalty_numerator div penalty_denominator))
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#rewards-and-penalties-1 # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#rewards-and-penalties-1
func process_rewards_and_penalties( func process_rewards_and_penalties(
state: var phase0.BeaconState, info: var phase0.EpochInfo) = state: var phase0.BeaconState, info: var phase0.EpochInfo) =
# No rewards are applied at the end of `GENESIS_EPOCH` because rewards are # No rewards are applied at the end of `GENESIS_EPOCH` because rewards are
@ -770,7 +770,7 @@ func process_rewards_and_penalties(
decrease_balance(balance, v.delta.penalties) decrease_balance(balance, v.delta.penalties)
state.balances.asSeq()[idx] = balance state.balances.asSeq()[idx] = balance
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#rewards-and-penalties # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#rewards-and-penalties
func process_rewards_and_penalties( func process_rewards_and_penalties(
cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState), cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState),
info: var altair.EpochInfo) info: var altair.EpochInfo)
@ -805,7 +805,7 @@ func process_rewards_and_penalties(
decrease_balance(balance, info.validators[vidx].delta.penalties) decrease_balance(balance, info.validators[vidx].delta.penalties)
state.balances.asSeq()[vidx] = balance state.balances.asSeq()[vidx] = balance
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#registry-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#registry-updates
func process_registry_updates*( func process_registry_updates*(
cfg: RuntimeConfig, state: var ForkyBeaconState, cache: var StateCache): cfg: RuntimeConfig, state: var ForkyBeaconState, cache: var StateCache):
Result[void, cstring] = Result[void, cstring] =
@ -858,8 +858,8 @@ func process_registry_updates*(
ok() ok()
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings
func get_adjusted_total_slashing_balance*( func get_adjusted_total_slashing_balance*(
state: ForkyBeaconState, total_balance: Gwei): Gwei = state: ForkyBeaconState, total_balance: Gwei): Gwei =
@ -876,15 +876,15 @@ func get_adjusted_total_slashing_balance*(
{.fatal: "process_slashings: incorrect BeaconState type".} {.fatal: "process_slashings: incorrect BeaconState type".}
min(sum(state.slashings.data) * multiplier, total_balance) min(sum(state.slashings.data) * multiplier, total_balance)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings
func slashing_penalty_applies*(validator: Validator, epoch: Epoch): bool = func slashing_penalty_applies*(validator: Validator, epoch: Epoch): bool =
validator.slashed and validator.slashed and
epoch + EPOCHS_PER_SLASHINGS_VECTOR div 2 == validator.withdrawable_epoch epoch + EPOCHS_PER_SLASHINGS_VECTOR div 2 == validator.withdrawable_epoch
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings
func get_slashing_penalty*(validator: Validator, func get_slashing_penalty*(validator: Validator,
adjusted_total_slashing_balance, adjusted_total_slashing_balance,
@ -895,8 +895,8 @@ func get_slashing_penalty*(validator: Validator,
adjusted_total_slashing_balance adjusted_total_slashing_balance
penalty_numerator div total_balance * increment penalty_numerator div total_balance * increment
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.1/specs/bellatrix/beacon-chain.md#slashings
func process_slashings*(state: var ForkyBeaconState, total_balance: Gwei) = func process_slashings*(state: var ForkyBeaconState, total_balance: Gwei) =
let let
@ -911,7 +911,7 @@ func process_slashings*(state: var ForkyBeaconState, total_balance: Gwei) =
validator[], adjusted_total_slashing_balance, total_balance) validator[], adjusted_total_slashing_balance, total_balance)
decrease_balance(state, vidx, penalty) decrease_balance(state, vidx, penalty)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#eth1-data-votes-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#eth1-data-votes-updates
func process_eth1_data_reset*(state: var ForkyBeaconState) = func process_eth1_data_reset*(state: var ForkyBeaconState) =
let next_epoch = get_current_epoch(state) + 1 let next_epoch = get_current_epoch(state) + 1
@ -919,7 +919,7 @@ func process_eth1_data_reset*(state: var ForkyBeaconState) =
if next_epoch mod EPOCHS_PER_ETH1_VOTING_PERIOD == 0: if next_epoch mod EPOCHS_PER_ETH1_VOTING_PERIOD == 0:
state.eth1_data_votes = default(type state.eth1_data_votes) state.eth1_data_votes = default(type state.eth1_data_votes)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#effective-balances-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#effective-balances-updates
func process_effective_balance_updates*(state: var ForkyBeaconState) = func process_effective_balance_updates*(state: var ForkyBeaconState) =
# Update effective balances with hysteresis # Update effective balances with hysteresis
for vidx in state.validators.vindices: for vidx in state.validators.vindices:
@ -941,14 +941,14 @@ func process_effective_balance_updates*(state: var ForkyBeaconState) =
if new_effective_balance != effective_balance: if new_effective_balance != effective_balance:
state.validators.mitem(vidx).effective_balance = new_effective_balance state.validators.mitem(vidx).effective_balance = new_effective_balance
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings-balances-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings-balances-updates
func process_slashings_reset*(state: var ForkyBeaconState) = func process_slashings_reset*(state: var ForkyBeaconState) =
let next_epoch = get_current_epoch(state) + 1 let next_epoch = get_current_epoch(state) + 1
# Reset slashings # Reset slashings
state.slashings[int(next_epoch mod EPOCHS_PER_SLASHINGS_VECTOR)] = 0.Gwei state.slashings[int(next_epoch mod EPOCHS_PER_SLASHINGS_VECTOR)] = 0.Gwei
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#randao-mixes-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#randao-mixes-updates
func process_randao_mixes_reset*(state: var ForkyBeaconState) = func process_randao_mixes_reset*(state: var ForkyBeaconState) =
let let
current_epoch = get_current_epoch(state) current_epoch = get_current_epoch(state)
@ -961,12 +961,12 @@ func process_randao_mixes_reset*(state: var ForkyBeaconState) =
func compute_historical_root*(state: var ForkyBeaconState): Eth2Digest = func compute_historical_root*(state: var ForkyBeaconState): Eth2Digest =
# Equivalent to hash_tree_root(foo: HistoricalBatch), but without using # Equivalent to hash_tree_root(foo: HistoricalBatch), but without using
# significant additional stack or heap. # significant additional stack or heap.
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#historicalbatch # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#historicalbatch
# In response to https://github.com/status-im/nimbus-eth2/issues/921 # In response to https://github.com/status-im/nimbus-eth2/issues/921
hash_tree_root([ hash_tree_root([
hash_tree_root(state.block_roots), hash_tree_root(state.state_roots)]) hash_tree_root(state.block_roots), hash_tree_root(state.state_roots)])
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#historical-roots-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#historical-roots-updates
func process_historical_roots_update*(state: var ForkyBeaconState) = func process_historical_roots_update*(state: var ForkyBeaconState) =
## Set historical root accumulator ## Set historical root accumulator
let next_epoch = get_current_epoch(state) + 1 let next_epoch = get_current_epoch(state) + 1
@ -974,19 +974,19 @@ func process_historical_roots_update*(state: var ForkyBeaconState) =
if next_epoch mod (SLOTS_PER_HISTORICAL_ROOT div SLOTS_PER_EPOCH) == 0: if next_epoch mod (SLOTS_PER_HISTORICAL_ROOT div SLOTS_PER_EPOCH) == 0:
# Equivalent to hash_tree_root(foo: HistoricalBatch), but without using # Equivalent to hash_tree_root(foo: HistoricalBatch), but without using
# significant additional stack or heap. # significant additional stack or heap.
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#historicalbatch # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#historicalbatch
# In response to https://github.com/status-im/nimbus-eth2/issues/921 # In response to https://github.com/status-im/nimbus-eth2/issues/921
if not state.historical_roots.add state.compute_historical_root(): if not state.historical_roots.add state.compute_historical_root():
raiseAssert "no more room for historical roots, so long and thanks for the fish!" raiseAssert "no more room for historical roots, so long and thanks for the fish!"
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#participation-records-rotation # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#participation-records-rotation
func process_participation_record_updates*(state: var phase0.BeaconState) = func process_participation_record_updates*(state: var phase0.BeaconState) =
# Rotate current/previous epoch attestations - using swap avoids copying all # Rotate current/previous epoch attestations - using swap avoids copying all
# elements using a slow genericSeqAssign # elements using a slow genericSeqAssign
state.previous_epoch_attestations.clear() state.previous_epoch_attestations.clear()
swap(state.previous_epoch_attestations, state.current_epoch_attestations) swap(state.previous_epoch_attestations, state.current_epoch_attestations)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#participation-flags-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#participation-flags-updates
func process_participation_flag_updates*(state: var (altair.BeaconState | bellatrix.BeaconState)) = func process_participation_flag_updates*(state: var (altair.BeaconState | bellatrix.BeaconState)) =
state.previous_epoch_participation = state.current_epoch_participation state.previous_epoch_participation = state.current_epoch_participation
@ -1000,7 +1000,7 @@ func process_participation_flag_updates*(state: var (altair.BeaconState | bellat
state.current_epoch_participation.asHashList.resetCache() state.current_epoch_participation.asHashList.resetCache()
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#sync-committee-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#sync-committee-updates
func process_sync_committee_updates*( func process_sync_committee_updates*(
state: var (altair.BeaconState | bellatrix.BeaconState)) = state: var (altair.BeaconState | bellatrix.BeaconState)) =
let next_epoch = get_current_epoch(state) + 1 let next_epoch = get_current_epoch(state) + 1
@ -1008,7 +1008,7 @@ func process_sync_committee_updates*(
state.current_sync_committee = state.next_sync_committee state.current_sync_committee = state.next_sync_committee
state.next_sync_committee = get_next_sync_committee(state) state.next_sync_committee = get_next_sync_committee(state)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#inactivity-scores # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#inactivity-scores
func process_inactivity_updates*( func process_inactivity_updates*(
cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState), cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState),
info: altair.EpochInfo) = info: altair.EpochInfo) =
@ -1043,7 +1043,7 @@ func process_inactivity_updates*(
if pre_inactivity_score != inactivity_score: if pre_inactivity_score != inactivity_score:
state.inactivity_scores[index] = inactivity_score state.inactivity_scores[index] = inactivity_score
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#epoch-processing # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#epoch-processing
proc process_epoch*( proc process_epoch*(
cfg: RuntimeConfig, state: var phase0.BeaconState, flags: UpdateFlags, cfg: RuntimeConfig, state: var phase0.BeaconState, flags: UpdateFlags,
cache: var StateCache, info: var phase0.EpochInfo): Result[void, cstring] = cache: var StateCache, info: var phase0.EpochInfo): Result[void, cstring] =
@ -1099,7 +1099,7 @@ func init*(
T: type altair.EpochInfo, state: altair.BeaconState | bellatrix.BeaconState): T = T: type altair.EpochInfo, state: altair.BeaconState | bellatrix.BeaconState): T =
init(result, state) init(result, state)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/altair/beacon-chain.md#epoch-processing # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/altair/beacon-chain.md#epoch-processing
proc process_epoch*( proc process_epoch*(
cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState), cfg: RuntimeConfig, state: var (altair.BeaconState | bellatrix.BeaconState),
flags: UpdateFlags, cache: var StateCache, info: var altair.EpochInfo): flags: UpdateFlags, cache: var StateCache, info: var altair.EpochInfo):
@ -1110,7 +1110,7 @@ proc process_epoch*(
info.init(state) info.init(state)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#justification-and-finalization # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#justification-and-finalization
process_justification_and_finalization(state, info.balances, flags) process_justification_and_finalization(state, info.balances, flags)
# state.slot hasn't been incremented yet. # state.slot hasn't been incremented yet.
@ -1125,13 +1125,13 @@ proc process_epoch*(
process_inactivity_updates(cfg, state, info) # [New in Altair] process_inactivity_updates(cfg, state, info) # [New in Altair]
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#process_rewards_and_penalties # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#process_rewards_and_penalties
process_rewards_and_penalties(cfg, state, info) process_rewards_and_penalties(cfg, state, info)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#registry-updates # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#registry-updates
? process_registry_updates(cfg, state, cache) ? process_registry_updates(cfg, state, cache)
# https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.2/specs/phase0/beacon-chain.md#slashings # https://github.com/ethereum/consensus-specs/blob/v1.2.0-rc.3/specs/phase0/beacon-chain.md#slashings
process_slashings(state, info.balances.current_epoch) process_slashings(state, info.balances.current_epoch)
process_eth1_data_reset(state) process_eth1_data_reset(state)