486 lines
20 KiB
Nim
486 lines
20 KiB
Nim
# beacon_chain
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# Copyright (c) 2022-2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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{.push raises: [].}
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import
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std/[os, strutils],
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stew/bitops2,
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../beacon_chain/spec/[
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datatypes/base,
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datatypes/phase0,
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datatypes/altair,
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datatypes/bellatrix,
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beaconstate,
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state_transition_epoch,
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state_transition_block,
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signatures],
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../beacon_chain/consensus_object_pools/blockchain_dag
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from ../beacon_chain/spec/datatypes/capella import BeaconState
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type
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RewardsAndPenalties* = object
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source_outcome*: int64
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max_source_reward*: Gwei
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target_outcome*: int64
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max_target_reward*: Gwei
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head_outcome*: int64
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max_head_reward*: Gwei
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inclusion_delay_outcome*: int64
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max_inclusion_delay_reward*: Gwei
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sync_committee_outcome*: int64
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max_sync_committee_reward*: Gwei
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proposer_outcome*: int64
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inactivity_penalty*: Gwei
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slashing_outcome*: int64
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deposits*: Gwei
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inclusion_delay*: Option[uint64]
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ParticipationFlags* = object
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currentEpochParticipation: EpochParticipationFlags
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previousEpochParticipation: EpochParticipationFlags
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PubkeyToIndexTable = Table[ValidatorPubKey, ValidatorIndex]
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AuxiliaryState* = object
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epochParticipationFlags: ParticipationFlags
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pubkeyToIndex: PubkeyToIndexTable
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const
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epochInfoFileNameDigitsCount = 8
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epochFileNameExtension = ".epoch"
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func copyParticipationFlags*(auxiliaryState: var AuxiliaryState,
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forkedState: ForkedHashedBeaconState) =
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withState(forkedState):
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when consensusFork > ConsensusFork.Phase0:
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template flags: untyped = auxiliaryState.epochParticipationFlags
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flags.currentEpochParticipation =
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forkyState.data.current_epoch_participation
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flags.previousEpochParticipation =
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forkyState.data.previous_epoch_participation
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from std/sequtils import allIt
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func matchFilenameUnaggregatedFiles(filename: string): bool =
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# epochNumberRegexStr & epochFileNameExtension
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filename.len == epochInfoFileNameDigitsCount + epochFileNameExtension.len and
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filename.endsWith(epochFileNameExtension) and
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# TODO should use toOpenArray, but
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# https://github.com/nim-lang/Nim/issues/15952
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# https://github.com/nim-lang/Nim/issues/19969
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allIt(filename[0 ..< epochInfoFileNameDigitsCount], it.isDigit)
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static:
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for filename in [
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"00000000.epoch", "00243929.epoch", "04957024.epoch", "39820353.epoch",
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"82829191.epoch", "85740966.epoch", "93321944.epoch", "98928899.epoch"]:
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doAssert filename.matchFilenameUnaggregatedFiles
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for filename in [
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# Valid aggregated, not unaggregated
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"03820350_13372742.epoch", "04117778_69588614.epoch",
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"25249017_64218993.epoch", "34265267_41589365.epoch",
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"57926659_59282297.epoch", "67699314_92835461.epoch",
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"0000000.epoch", # Too short
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"000000000.epoch", # Too long
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"75787x73.epoch", # Incorrect number format
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"00000000.ecpoh"]: # Wrong extension
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doAssert not filename.matchFilenameUnaggregatedFiles
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func matchFilenameAggregatedFiles(filename: string): bool =
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# epochNumberRegexStr & "_" & epochNumberRegexStr & epochFileNameExtension
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filename.len == epochInfoFileNameDigitsCount * 2 + "_".len + epochFileNameExtension.len and
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filename.endsWith(epochFileNameExtension) and
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# TODO should use toOpenArray, but
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# https://github.com/nim-lang/Nim/issues/15952
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# https://github.com/nim-lang/Nim/issues/19969
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allIt(filename[0 ..< epochInfoFileNameDigitsCount], it.isDigit) and
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filename[epochInfoFileNameDigitsCount] == '_' and
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allIt(
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filename[epochInfoFileNameDigitsCount + 1 ..< 2 * epochInfoFileNameDigitsCount + 1],
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it.isDigit)
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static:
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for filename in [
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"03820350_13372742.epoch", "04117778_69588614.epoch",
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"25249017_64218993.epoch", "34265267_41589365.epoch",
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"57926659_59282297.epoch", "67699314_92835461.epoch"]:
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doAssert filename.matchFilenameAggregatedFiles
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for filename in [
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# Valid unaggregated, not aggregated
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"00000000.epoch", "00243929.epoch", "04957024.epoch", "39820353.epoch",
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"82829191.epoch", "85740966.epoch", "93321944.epoch", "98928899.epoch",
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"00000000_0000000.epoch", # Too short
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"31x85971_93149672.epoch", # Incorrect number format, first field
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"18049105&72034596.epoch", # No underscore separator
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"31485971_931496x2.epoch", # Incorrect number format, second field
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"15227487_86601706.echop"]: # Wrong extension
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doAssert not filename.matchFilenameAggregatedFiles
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proc getUnaggregatedFilesEpochRange*(
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dir: string
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): tuple[firstEpoch, lastEpoch: Epoch] {.raises: [OSError, ValueError].} =
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var smallestEpochFileName =
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'9'.repeat(epochInfoFileNameDigitsCount) & epochFileNameExtension
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var largestEpochFileName =
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'0'.repeat(epochInfoFileNameDigitsCount) & epochFileNameExtension
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for (_, fn) in walkDir(dir.string, relative = true):
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if fn.matchFilenameUnaggregatedFiles:
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if fn < smallestEpochFileName:
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smallestEpochFileName = fn
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if fn > largestEpochFileName:
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largestEpochFileName = fn
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result.firstEpoch = parseUInt(
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smallestEpochFileName[0 ..< epochInfoFileNameDigitsCount]).Epoch
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result.lastEpoch = parseUInt(
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largestEpochFileName[0 ..< epochInfoFileNameDigitsCount]).Epoch
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proc getUnaggregatedFilesLastEpoch*(
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dir: string): Epoch {.raises: [OSError, ValueError].} =
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dir.getUnaggregatedFilesEpochRange.lastEpoch
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proc getAggregatedFilesLastEpoch*(
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dir: string): Epoch {.raises: [OSError, ValueError].}=
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var largestEpochInFileName = 0'u
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for (_, fn) in walkDir(dir.string, relative = true):
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if fn.matchFilenameAggregatedFiles:
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let fileLastEpoch = parseUInt(
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fn[epochInfoFileNameDigitsCount + 1 .. 2 * epochInfoFileNameDigitsCount])
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if fileLastEpoch > largestEpochInFileName:
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largestEpochInFileName = fileLastEpoch
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largestEpochInFileName.Epoch
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func epochAsString*(epoch: Epoch): string =
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let strEpoch = $epoch
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'0'.repeat(epochInfoFileNameDigitsCount - strEpoch.len) & strEpoch
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func getFilePathForEpoch*(epoch: Epoch, dir: string): string =
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dir / epochAsString(epoch) & epochFileNameExtension
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func getFilePathForEpochs*(startEpoch, endEpoch: Epoch, dir: string): string =
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let fileName = epochAsString(startEpoch) & "_" &
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epochAsString(endEpoch) & epochFileNameExtension
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dir / fileName
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func getBlockRange*(dag: ChainDAGRef, start, ends: Slot): seq[BlockId] =
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# Range of block in reverse order
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doAssert start < ends
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result = newSeqOfCap[BlockId](ends - start)
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var current = ends
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while current > start:
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current -= 1
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let bsid = dag.getBlockIdAtSlot(current).valueOr:
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continue
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if bsid.bid.slot < start: # current might be empty
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break
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result.add(bsid.bid)
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current = bsid.bid.slot # skip empty slots
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func getOutcome(delta: RewardDelta): int64 =
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delta.rewards.int64 - delta.penalties.int64
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func collectSlashings(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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state: ForkyBeaconState, total_balance: Gwei) =
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let
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epoch = get_current_epoch(state)
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adjusted_total_slashing_balance = get_adjusted_total_slashing_balance(
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state, total_balance)
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for index in 0 ..< state.validators.len:
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let validator = unsafeAddr state.validators[index]
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if slashing_penalty_applies(validator[], epoch):
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rewardsAndPenalties[index].slashing_outcome +=
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validator[].get_slashing_penalty(
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adjusted_total_slashing_balance, total_balance).int64
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proc collectEpochRewardsAndPenalties*(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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state: var phase0.BeaconState, cache: var StateCache, cfg: RuntimeConfig,
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flags: UpdateFlags) =
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if get_current_epoch(state) == GENESIS_EPOCH:
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return
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var info: phase0.EpochInfo
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info.init(state)
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info.process_attestations(state, cache)
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doAssert info.validators.len == state.validators.len
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rewardsAndPenalties.setLen(state.validators.len)
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process_justification_and_finalization(state, info.balances, flags)
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let
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finality_delay = get_finality_delay(state)
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total_balance = info.balances.current_epoch
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total_balance_sqrt = integer_squareroot(total_balance)
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for index, validator in info.validators:
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if not is_eligible_validator(validator):
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continue
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let base_reward = get_base_reward_sqrt(
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state, index.ValidatorIndex, total_balance_sqrt)
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template get_attestation_component_reward_helper(attesting_balance: Gwei): Gwei =
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get_attestation_component_reward(attesting_balance,
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info.balances.current_epoch, base_reward.uint64, finality_delay)
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template rp: untyped = rewardsAndPenalties[index]
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rp.source_outcome = get_source_delta(
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validator, base_reward, info.balances, finality_delay).getOutcome
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rp.max_source_reward = get_attestation_component_reward_helper(
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info.balances.previous_epoch_attesters)
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rp.target_outcome = get_target_delta(
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validator, base_reward, info.balances, finality_delay).getOutcome
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rp.max_target_reward = get_attestation_component_reward_helper(
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info.balances.previous_epoch_target_attesters)
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rp.head_outcome = get_head_delta(
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validator, base_reward, info.balances, finality_delay).getOutcome
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rp.max_head_reward = get_attestation_component_reward_helper(
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info.balances.previous_epoch_head_attesters)
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let (inclusion_delay_delta, proposer_delta) = get_inclusion_delay_delta(
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validator, base_reward)
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rp.inclusion_delay_outcome = inclusion_delay_delta.getOutcome
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rp.max_inclusion_delay_reward =
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base_reward - state_transition_epoch.get_proposer_reward(base_reward)
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rp.inactivity_penalty = get_inactivity_penalty_delta(
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validator, base_reward, finality_delay).penalties
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if proposer_delta.isSome:
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let proposer_index = proposer_delta.get[0]
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if proposer_index < info.validators.lenu64:
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rewardsAndPenalties[proposer_index].proposer_outcome +=
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proposer_delta.get[1].getOutcome
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rewardsAndPenalties.collectSlashings(state, info.balances.current_epoch)
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proc collectEpochRewardsAndPenalties*(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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state: var (altair.BeaconState | bellatrix.BeaconState |
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capella.BeaconState | deneb.BeaconState),
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cache: var StateCache, cfg: RuntimeConfig, flags: UpdateFlags) =
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if get_current_epoch(state) == GENESIS_EPOCH:
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return
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var info: altair.EpochInfo
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info.init(state)
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doAssert info.validators.len == state.validators.len
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rewardsAndPenalties.setLen(state.validators.len)
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process_justification_and_finalization(state, info.balances, flags)
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process_inactivity_updates(cfg, state, info)
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let
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total_active_balance = info.balances.current_epoch
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base_reward_per_increment = get_base_reward_per_increment(
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total_active_balance)
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finality_delay = get_finality_delay(state)
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for validator_index, reward_source, reward_target, reward_head,
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penalty_source, penalty_target, penalty_inactivity in
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get_flag_and_inactivity_deltas(
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cfg, state, base_reward_per_increment, info, finality_delay):
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template rp: untyped = rewardsAndPenalties[validator_index]
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let
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base_reward = get_base_reward_increment(
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state, validator_index, base_reward_per_increment)
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active_increments = get_active_increments(info)
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template unslashed_participating_increment(flag_index: untyped): untyped =
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get_unslashed_participating_increment(info, flag_index)
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template max_flag_index_reward(flag_index: untyped): untyped =
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get_flag_index_reward(
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state, base_reward, active_increments,
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unslashed_participating_increment(flag_index),
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PARTICIPATION_FLAG_WEIGHTS[flag_index], finality_delay)
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rp.source_outcome = reward_source.int64 - penalty_source.int64
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rp.max_source_reward =
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max_flag_index_reward(TimelyFlag.TIMELY_SOURCE_FLAG_INDEX)
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rp.target_outcome = reward_target.int64 - penalty_target.int64
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rp.max_target_reward =
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max_flag_index_reward(TimelyFlag.TIMELY_TARGET_FLAG_INDEX)
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rp.head_outcome = reward_head.int64
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rp.max_head_reward =
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max_flag_index_reward(TimelyFlag.TIMELY_HEAD_FLAG_INDEX)
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rewardsAndPenalties[validator_index].inactivity_penalty +=
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penalty_inactivity
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rewardsAndPenalties.collectSlashings(state, info.balances.current_epoch)
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func collectFromSlashedValidator(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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state: ForkyBeaconState, slashedIndex, proposerIndex: ValidatorIndex) =
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template slashed_validator: untyped = state.validators[slashedIndex]
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let slashingPenalty = get_slashing_penalty(state, slashed_validator.effective_balance)
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let whistleblowerReward = get_whistleblower_reward(slashed_validator.effective_balance)
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rewardsAndPenalties[slashedIndex].slashing_outcome -= slashingPenalty.int64
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rewardsAndPenalties[proposerIndex].slashing_outcome += whistleblowerReward.int64
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func collectFromProposerSlashings(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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forkedState: ForkedHashedBeaconState,
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forkedBlock: ForkedTrustedSignedBeaconBlock) =
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withStateAndBlck(forkedState, forkedBlock):
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for proposer_slashing in forkyBlck.message.body.proposer_slashings:
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doAssert check_proposer_slashing(
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forkyState.data, proposer_slashing, {}).isOk
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let slashedIndex =
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proposer_slashing.signed_header_1.message.proposer_index
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rewardsAndPenalties.collectFromSlashedValidator(
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forkyState.data, slashedIndex.ValidatorIndex,
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forkyBlck.message.proposer_index.ValidatorIndex)
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func collectFromAttesterSlashings(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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forkedState: ForkedHashedBeaconState,
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forkedBlock: ForkedTrustedSignedBeaconBlock) =
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withStateAndBlck(forkedState, forkedBlock):
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for attester_slashing in forkyBlck.message.body.attester_slashings:
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let attester_slashing_validity = check_attester_slashing(
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forkyState.data, attester_slashing, {})
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doAssert attester_slashing_validity.isOk
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for slashedIndex in attester_slashing_validity.value:
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rewardsAndPenalties.collectFromSlashedValidator(
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forkyState.data, slashedIndex,
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forkyBlck.message.proposer_index.ValidatorIndex)
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func collectFromAttestations(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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forkedState: ForkedHashedBeaconState,
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forkedBlock: ForkedTrustedSignedBeaconBlock,
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epochParticipationFlags: var ParticipationFlags,
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cache: var StateCache) =
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withStateAndBlck(forkedState, forkedBlock):
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when consensusFork > ConsensusFork.Phase0:
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let base_reward_per_increment = get_base_reward_per_increment(
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get_total_active_balance(forkyState.data, cache))
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doAssert base_reward_per_increment > 0
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for attestation in forkyBlck.message.body.attestations:
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doAssert check_attestation(
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forkyState.data, attestation, {}, cache).isOk
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let proposerReward =
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if attestation.data.target.epoch == get_current_epoch(forkyState.data):
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get_proposer_reward(
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forkyState.data, attestation, base_reward_per_increment, cache,
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epochParticipationFlags.currentEpochParticipation)
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else:
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get_proposer_reward(
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forkyState.data, attestation, base_reward_per_increment, cache,
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epochParticipationFlags.previousEpochParticipation)
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rewardsAndPenalties[forkyBlck.message.proposer_index]
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.proposer_outcome += proposerReward.int64
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let inclusionDelay = forkyState.data.slot - attestation.data.slot
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for index in get_attesting_indices(
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forkyState.data, attestation.data, attestation.aggregation_bits,
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cache):
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rewardsAndPenalties[index].inclusion_delay = some(inclusionDelay.uint64)
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proc collectFromDeposits(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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forkedState: ForkedHashedBeaconState,
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forkedBlock: ForkedTrustedSignedBeaconBlock,
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pubkeyToIndex: var PubkeyToIndexTable,
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cfg: RuntimeConfig) =
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withStateAndBlck(forkedState, forkedBlock):
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for deposit in forkyBlck.message.body.deposits:
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let pubkey = deposit.data.pubkey
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let amount = deposit.data.amount
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var index = findValidatorIndex(forkyState.data, pubkey)
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if index.isNone:
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if pubkey in pubkeyToIndex:
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try:
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index = Opt[ValidatorIndex].ok(pubkeyToIndex[pubkey])
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except KeyError as e:
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raiseAssert "pubkey was checked to exist: " & e.msg
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if index.isSome:
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try:
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rewardsAndPenalties[index.get()].deposits += amount
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except KeyError as e:
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raiseAssert "rewardsAndPenalties lacks expected index " & $index.get()
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elif verify_deposit_signature(cfg, deposit.data):
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pubkeyToIndex[pubkey] = ValidatorIndex(rewardsAndPenalties.len)
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rewardsAndPenalties.add(
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RewardsAndPenalties(deposits: amount))
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func collectFromSyncAggregate(
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rewardsAndPenalties: var seq[RewardsAndPenalties],
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forkedState: ForkedHashedBeaconState,
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forkedBlock: ForkedTrustedSignedBeaconBlock,
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cache: var StateCache) =
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withStateAndBlck(forkedState, forkedBlock):
|
|
when consensusFork > ConsensusFork.Phase0:
|
|
let
|
|
total_active_balance = get_total_active_balance(forkyState.data, cache)
|
|
participant_reward = get_participant_reward(total_active_balance)
|
|
proposer_reward =
|
|
state_transition_block.get_proposer_reward(participant_reward)
|
|
indices = get_sync_committee_cache(
|
|
forkyState.data, cache).current_sync_committee
|
|
|
|
template aggregate: untyped = forkyBlck.message.body.sync_aggregate
|
|
|
|
doAssert indices.len == SYNC_COMMITTEE_SIZE
|
|
doAssert aggregate.sync_committee_bits.len == SYNC_COMMITTEE_SIZE
|
|
doAssert forkyState.data.current_sync_committee.pubkeys.len ==
|
|
SYNC_COMMITTEE_SIZE
|
|
|
|
for i in 0 ..< SYNC_COMMITTEE_SIZE:
|
|
rewardsAndPenalties[indices[i]].max_sync_committee_reward +=
|
|
participant_reward
|
|
if aggregate.sync_committee_bits[i]:
|
|
rewardsAndPenalties[indices[i]].sync_committee_outcome +=
|
|
participant_reward.int64
|
|
rewardsAndPenalties[forkyBlck.message.proposer_index]
|
|
.proposer_outcome += proposer_reward.int64
|
|
else:
|
|
rewardsAndPenalties[indices[i]].sync_committee_outcome -=
|
|
participant_reward.int64
|
|
|
|
proc collectBlockRewardsAndPenalties*(
|
|
rewardsAndPenalties: var seq[RewardsAndPenalties],
|
|
forkedState: ForkedHashedBeaconState,
|
|
forkedBlock: ForkedTrustedSignedBeaconBlock,
|
|
auxiliaryState: var AuxiliaryState,
|
|
cache: var StateCache, cfg: RuntimeConfig) =
|
|
rewardsAndPenalties.collectFromProposerSlashings(forkedState, forkedBlock)
|
|
rewardsAndPenalties.collectFromAttesterSlashings(forkedState, forkedBlock)
|
|
rewardsAndPenalties.collectFromAttestations(
|
|
forkedState, forkedBlock, auxiliaryState.epochParticipationFlags, cache)
|
|
rewardsAndPenalties.collectFromDeposits(
|
|
forkedState, forkedBlock, auxiliaryState.pubkeyToIndex, cfg)
|
|
# This table is needed only to resolve double deposits in the same block, so
|
|
# it can be cleared after processing all deposits for the current block.
|
|
auxiliaryState.pubkeyToIndex.clear
|
|
rewardsAndPenalties.collectFromSyncAggregate(forkedState, forkedBlock, cache)
|
|
|
|
func serializeToCsv*(rp: RewardsAndPenalties,
|
|
avgInclusionDelay = none(float)): string =
|
|
for name, value in fieldPairs(rp):
|
|
if value isnot Option:
|
|
result &= $value & ","
|
|
if avgInclusionDelay.isSome:
|
|
result.addFloat(avgInclusionDelay.get)
|
|
elif rp.inclusion_delay.isSome:
|
|
result &= $rp.inclusion_delay.get
|
|
result &= "\n"
|