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prysm/config/params/config.go
Manu NALEPA 2773bdef89 Remove NUMBER_OF_COLUMNS and MAX_CELLS_IN_EXTENDED_MATRIX configuration. (#16073) 
**What type of PR is this?**
Other

**What does this PR do? Why is it needed?**
This pull request removes `NUMBER_OF_COLUMNS` and
`MAX_CELLS_IN_EXTENDED_MATRIX` configuration.

**Other notes for review**
Please read commit by commit, with commit messages.

**Acknowledgements**
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[CONTRIBUTING.md](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md).
- [x] I have included a uniquely named [changelog fragment
file](https://github.com/prysmaticlabs/prysm/blob/develop/CONTRIBUTING.md#maintaining-changelogmd).
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2025-11-29 09:30:54 +00:00

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// Package params defines important constants that are essential to Prysm services.
package params
import (
"encoding/binary"
"fmt"
"math"
"sort"
"strings"
"sync"
"time"
fieldparams "github.com/OffchainLabs/prysm/v7/config/fieldparams"
"github.com/OffchainLabs/prysm/v7/consensus-types/primitives"
"github.com/OffchainLabs/prysm/v7/crypto/hash"
"github.com/OffchainLabs/prysm/v7/encoding/bytesutil"
enginev1 "github.com/OffchainLabs/prysm/v7/proto/engine/v1"
"github.com/OffchainLabs/prysm/v7/runtime/version"
"github.com/ethereum/go-ethereum/common"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// BeaconChainConfig contains constant configs for node to participate in beacon chain.
type BeaconChainConfig struct {
// Constants (non-configurable)
GenesisSlot primitives.Slot `yaml:"GENESIS_SLOT"` // GenesisSlot represents the first canonical slot number of the beacon chain.
GenesisEpoch primitives.Epoch `yaml:"GENESIS_EPOCH"` // GenesisEpoch represents the first canonical epoch number of the beacon chain.
FarFutureEpoch primitives.Epoch `yaml:"FAR_FUTURE_EPOCH"` // FarFutureEpoch represents a epoch extremely far away in the future used as the default penalization epoch for validators.
FarFutureSlot primitives.Slot `yaml:"FAR_FUTURE_SLOT"` // FarFutureSlot represents a slot extremely far away in the future.
BaseRewardsPerEpoch uint64 `yaml:"BASE_REWARDS_PER_EPOCH"` // BaseRewardsPerEpoch is used to calculate the per epoch rewards.
DepositContractTreeDepth uint64 `yaml:"DEPOSIT_CONTRACT_TREE_DEPTH"` // DepositContractTreeDepth depth of the Merkle trie of deposits in the validator deposit contract on the PoW chain.
JustificationBitsLength uint64 `yaml:"JUSTIFICATION_BITS_LENGTH"` // JustificationBitsLength defines number of epochs to track when implementing k-finality in Casper FFG.
// Misc constants.
PresetBase string `yaml:"PRESET_BASE" spec:"true"` // PresetBase represents the underlying spec preset this config is based on.
ConfigName string `yaml:"CONFIG_NAME" spec:"true"` // ConfigName for allowing an easy human-readable way of knowing what chain is being used.
TargetCommitteeSize uint64 `yaml:"TARGET_COMMITTEE_SIZE" spec:"true"` // TargetCommitteeSize is the number of validators in a committee when the chain is healthy.
MaxValidatorsPerCommittee uint64 `yaml:"MAX_VALIDATORS_PER_COMMITTEE" spec:"true"` // MaxValidatorsPerCommittee defines the upper bound of the size of a committee.
MaxCommitteesPerSlot uint64 `yaml:"MAX_COMMITTEES_PER_SLOT" spec:"true"` // MaxCommitteesPerSlot defines the max amount of committee in a single slot.
MinPerEpochChurnLimit uint64 `yaml:"MIN_PER_EPOCH_CHURN_LIMIT" spec:"true"` // MinPerEpochChurnLimit is the minimum amount of churn allotted for validator rotations.
ChurnLimitQuotient uint64 `yaml:"CHURN_LIMIT_QUOTIENT" spec:"true"` // ChurnLimitQuotient is used to determine the limit of how many validators can rotate per epoch.
ShuffleRoundCount uint64 `yaml:"SHUFFLE_ROUND_COUNT" spec:"true"` // ShuffleRoundCount is used for retrieving the permuted index.
MinGenesisActiveValidatorCount uint64 `yaml:"MIN_GENESIS_ACTIVE_VALIDATOR_COUNT" spec:"true"` // MinGenesisActiveValidatorCount defines how many validator deposits needed to kick off beacon chain.
MinGenesisTime uint64 `yaml:"MIN_GENESIS_TIME" spec:"true"` // MinGenesisTime is the time that needed to pass before kicking off beacon chain.
TargetAggregatorsPerCommittee uint64 `yaml:"TARGET_AGGREGATORS_PER_COMMITTEE" spec:"true"` // TargetAggregatorsPerCommittee defines the number of aggregators inside one committee.
HysteresisQuotient uint64 `yaml:"HYSTERESIS_QUOTIENT" spec:"true"` // HysteresisQuotient defines the hysteresis quotient for effective balance calculations.
HysteresisDownwardMultiplier uint64 `yaml:"HYSTERESIS_DOWNWARD_MULTIPLIER" spec:"true"` // HysteresisDownwardMultiplier defines the hysteresis downward multiplier for effective balance calculations.
HysteresisUpwardMultiplier uint64 `yaml:"HYSTERESIS_UPWARD_MULTIPLIER" spec:"true"` // HysteresisUpwardMultiplier defines the hysteresis upward multiplier for effective balance calculations.
// Gwei value constants.
MinDepositAmount uint64 `yaml:"MIN_DEPOSIT_AMOUNT" spec:"true"` // MinDepositAmount is the minimum amount of Gwei a validator can send to the deposit contract at once (lower amounts will be reverted).
MinActivationBalance uint64 `yaml:"MIN_ACTIVATION_BALANCE" spec:"true"` // MinActivationBalance is the minimum amount of Gwei a validator must have to be activated in the beacon state.
MaxEffectiveBalance uint64 `yaml:"MAX_EFFECTIVE_BALANCE" spec:"true"` // MaxEffectiveBalance is the maximal amount of Gwei that is effective for staking.
EjectionBalance uint64 `yaml:"EJECTION_BALANCE" spec:"true"` // EjectionBalance is the minimal GWei a validator needs to have before ejected.
EffectiveBalanceIncrement uint64 `yaml:"EFFECTIVE_BALANCE_INCREMENT" spec:"true"` // EffectiveBalanceIncrement is used for converting the high balance into the low balance for validators.
// Initial value constants.
BLSWithdrawalPrefixByte byte `yaml:"BLS_WITHDRAWAL_PREFIX" spec:"true"` // BLSWithdrawalPrefixByte is used for BLS withdrawal and it's the first byte.
ETH1AddressWithdrawalPrefixByte byte `yaml:"ETH1_ADDRESS_WITHDRAWAL_PREFIX" spec:"true"` // ETH1AddressWithdrawalPrefixByte is used for withdrawals and it's the first byte.
CompoundingWithdrawalPrefixByte byte `yaml:"COMPOUNDING_WITHDRAWAL_PREFIX" spec:"true"` // CompoundingWithdrawalPrefixByteByte is used for compounding withdrawals and it's the first byte.
ZeroHash [32]byte // ZeroHash is used to represent a zeroed out 32 byte array.
// Time parameters constants.
GenesisDelay uint64 `yaml:"GENESIS_DELAY" spec:"true"` // GenesisDelay is the minimum number of seconds to delay starting the Ethereum Beacon Chain genesis. Must be at least 1 second.
MinAttestationInclusionDelay primitives.Slot `yaml:"MIN_ATTESTATION_INCLUSION_DELAY" spec:"true"` // MinAttestationInclusionDelay defines how many slots validator has to wait to include attestation for beacon block.
SecondsPerSlot uint64 `yaml:"SECONDS_PER_SLOT" spec:"true"` // SecondsPerSlot is how many seconds are in a single slot.
SlotDurationMilliseconds uint64 `yaml:"SLOT_DURATION_MS" spec:"true"` // SlotDurationMilliseconds is the slot time expressed in milliseconds.
SlotsPerEpoch primitives.Slot `yaml:"SLOTS_PER_EPOCH" spec:"true"` // SlotsPerEpoch is the number of slots in an epoch.
SqrRootSlotsPerEpoch primitives.Slot // SqrRootSlotsPerEpoch is a hard coded value where we take the square root of `SlotsPerEpoch` and round down.
MinSeedLookahead primitives.Epoch `yaml:"MIN_SEED_LOOKAHEAD" spec:"true"` // MinSeedLookahead is the duration of randao look ahead seed.
MaxSeedLookahead primitives.Epoch `yaml:"MAX_SEED_LOOKAHEAD" spec:"true"` // MaxSeedLookahead is the duration a validator has to wait for entry and exit in epoch.
EpochsPerEth1VotingPeriod primitives.Epoch `yaml:"EPOCHS_PER_ETH1_VOTING_PERIOD" spec:"true"` // EpochsPerEth1VotingPeriod defines how often the merkle root of deposit receipts get updated in beacon node on per epoch basis.
SlotsPerHistoricalRoot primitives.Slot `yaml:"SLOTS_PER_HISTORICAL_ROOT" spec:"true"` // SlotsPerHistoricalRoot defines how often the historical root is saved.
MinValidatorWithdrawabilityDelay primitives.Epoch `yaml:"MIN_VALIDATOR_WITHDRAWABILITY_DELAY" spec:"true"` // MinValidatorWithdrawabilityDelay is the shortest amount of time a validator has to wait to withdraw.
ShardCommitteePeriod primitives.Epoch `yaml:"SHARD_COMMITTEE_PERIOD" spec:"true"` // ShardCommitteePeriod is the minimum amount of epochs a validator must participate before exiting.
MinEpochsToInactivityPenalty primitives.Epoch `yaml:"MIN_EPOCHS_TO_INACTIVITY_PENALTY" spec:"true"` // MinEpochsToInactivityPenalty defines the minimum amount of epochs since finality to begin penalizing inactivity.
Eth1FollowDistance uint64 `yaml:"ETH1_FOLLOW_DISTANCE" spec:"true"` // Eth1FollowDistance is the number of eth1.0 blocks to wait before considering a new deposit for voting. This only applies after the chain as been started.
SecondsPerETH1Block uint64 `yaml:"SECONDS_PER_ETH1_BLOCK" spec:"true"` // SecondsPerETH1Block is the approximate time for a single eth1 block to be produced.
// Fork choice algorithm constants.
ProposerScoreBoost uint64 `yaml:"PROPOSER_SCORE_BOOST" spec:"true"` // ProposerScoreBoost defines a value that is a % of the committee weight for fork-choice boosting.
ReorgHeadWeightThreshold uint64 `yaml:"REORG_HEAD_WEIGHT_THRESHOLD" spec:"true"` // ReorgHeadWeightThreshold defines a value that is a % of the committee weight to consider a block weak and subject to being orphaned.
ReorgParentWeightThreshold uint64 `yaml:"REORG_PARENT_WEIGHT_THRESHOLD" spec:"true"` // ReorgParentWeightThreshold defines a value that is a % of the committee weight to consider a parent block strong and subject its child to being orphaned.
ReorgMaxEpochsSinceFinalization primitives.Epoch `yaml:"REORG_MAX_EPOCHS_SINCE_FINALIZATION" spec:"true"` // This defines a limit to consider safe to orphan a block if the network is finalizing
IntervalsPerSlot uint64 `yaml:"INTERVALS_PER_SLOT"` // IntervalsPerSlot defines the number of fork choice intervals in a slot defined in the fork choice spec.
ProposerReorgCutoffBPS primitives.BP `yaml:"PROPOSER_REORG_CUTOFF_BPS" spec:"true"` // ProposerReorgCutoffBPS defines the proposer reorg deadline in basis points of the slot.
AttestationDueBPS primitives.BP `yaml:"ATTESTATION_DUE_BPS" spec:"true"` // AttestationDueBPS defines the attestation due time in basis points of the slot.
AggregrateDueBPS primitives.BP `yaml:"AGGREGRATE_DUE_BPS" spec:"true"` // AggregrateDueBPS defines the aggregate due time in basis points of the slot.
SyncMessageDueBPS primitives.BP `yaml:"SYNC_MESSAGE_DUE_BPS" spec:"true"` // SyncMessageDueBPS defines the sync message due time in basis points of the slot.
ContributionDueBPS primitives.BP `yaml:"CONTRIBUTION_DUE_BPS" spec:"true"` // ContributionDueBPS defines the contribution due time in basis points of the slot.
// Ethereum PoW parameters.
DepositChainID uint64 `yaml:"DEPOSIT_CHAIN_ID" spec:"true"` // DepositChainID of the eth1 network. This used for replay protection.
DepositNetworkID uint64 `yaml:"DEPOSIT_NETWORK_ID" spec:"true"` // DepositNetworkID of the eth1 network. This used for replay protection.
DepositContractAddress string `yaml:"DEPOSIT_CONTRACT_ADDRESS" spec:"true"` // DepositContractAddress is the address of the deposit contract.
// Validator parameters.
RandomSubnetsPerValidator uint64 `yaml:"RANDOM_SUBNETS_PER_VALIDATOR" spec:"true"` // RandomSubnetsPerValidator specifies the amount of subnets a validator has to be subscribed to at one time.
EpochsPerRandomSubnetSubscription uint64 `yaml:"EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION"` // EpochsPerRandomSubnetSubscription specifies the minimum duration a validator is connected to their subnet.
// State list lengths
EpochsPerHistoricalVector primitives.Epoch `yaml:"EPOCHS_PER_HISTORICAL_VECTOR" spec:"true"` // EpochsPerHistoricalVector defines max length in epoch to store old historical stats in beacon state.
EpochsPerSlashingsVector primitives.Epoch `yaml:"EPOCHS_PER_SLASHINGS_VECTOR" spec:"true"` // EpochsPerSlashingsVector defines max length in epoch to store old stats to recompute slashing witness.
HistoricalRootsLimit uint64 `yaml:"HISTORICAL_ROOTS_LIMIT" spec:"true"` // HistoricalRootsLimit defines max historical roots that can be saved in state before roll over.
ValidatorRegistryLimit uint64 `yaml:"VALIDATOR_REGISTRY_LIMIT" spec:"true"` // ValidatorRegistryLimit defines the upper bound of validators can participate in eth2.
// Reward and penalty quotients constants.
BaseRewardFactor uint64 `yaml:"BASE_REWARD_FACTOR" spec:"true"` // BaseRewardFactor is used to calculate validator per-slot interest rate.
WhistleBlowerRewardQuotient uint64 `yaml:"WHISTLEBLOWER_REWARD_QUOTIENT" spec:"true"` // WhistleBlowerRewardQuotient is used to calculate whistle blower reward.
ProposerRewardQuotient uint64 `yaml:"PROPOSER_REWARD_QUOTIENT" spec:"true"` // ProposerRewardQuotient is used to calculate the reward for proposers.
InactivityPenaltyQuotient uint64 `yaml:"INACTIVITY_PENALTY_QUOTIENT" spec:"true"` // InactivityPenaltyQuotient is used to calculate the penalty for a validator that is offline.
MinSlashingPenaltyQuotient uint64 `yaml:"MIN_SLASHING_PENALTY_QUOTIENT" spec:"true"` // MinSlashingPenaltyQuotient is used to calculate the minimum penalty to prevent DoS attacks.
ProportionalSlashingMultiplier uint64 `yaml:"PROPORTIONAL_SLASHING_MULTIPLIER" spec:"true"` // ProportionalSlashingMultiplier is used as a multiplier on slashed penalties.
// Max operations per block constants.
MaxProposerSlashings uint64 `yaml:"MAX_PROPOSER_SLASHINGS" spec:"true"` // MaxProposerSlashings defines the maximum number of slashings of proposers possible in a block.
MaxAttesterSlashings uint64 `yaml:"MAX_ATTESTER_SLASHINGS" spec:"true"` // MaxAttesterSlashings defines the maximum number of casper FFG slashings possible in a block.
MaxAttesterSlashingsElectra uint64 `yaml:"MAX_ATTESTER_SLASHINGS_ELECTRA" spec:"true"` // MaxAttesterSlashingsElectra defines the maximum number of casper FFG slashings possible in a block post Electra hard fork.
MaxAttestations uint64 `yaml:"MAX_ATTESTATIONS" spec:"true"` // MaxAttestations defines the maximum allowed attestations in a beacon block.
MaxAttestationsElectra uint64 `yaml:"MAX_ATTESTATIONS_ELECTRA" spec:"true"` // MaxAttestationsElectra defines the maximum allowed attestations in a beacon block post Electra hard fork.
MaxDeposits uint64 `yaml:"MAX_DEPOSITS" spec:"true"` // MaxDeposits defines the maximum number of validator deposits in a block.
MaxVoluntaryExits uint64 `yaml:"MAX_VOLUNTARY_EXITS" spec:"true"` // MaxVoluntaryExits defines the maximum number of validator exits in a block.
MaxWithdrawalsPerPayload uint64 `yaml:"MAX_WITHDRAWALS_PER_PAYLOAD" spec:"true"` // MaxWithdrawalsPerPayload defines the maximum number of withdrawals in a block.
MaxBlsToExecutionChanges uint64 `yaml:"MAX_BLS_TO_EXECUTION_CHANGES" spec:"true"` // MaxBlsToExecutionChanges defines the maximum number of BLS-to-execution-change objects in a block.
MaxValidatorsPerWithdrawalsSweep uint64 `yaml:"MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP" spec:"true"` // MaxValidatorsPerWithdrawalsSweep bounds the size of the sweep searching for withdrawals per slot.
// BLS domain values.
DomainBeaconProposer [4]byte `yaml:"DOMAIN_BEACON_PROPOSER" spec:"true"` // DomainBeaconProposer defines the BLS signature domain for beacon proposal verification.
DomainRandao [4]byte `yaml:"DOMAIN_RANDAO" spec:"true"` // DomainRandao defines the BLS signature domain for randao verification.
DomainBeaconAttester [4]byte `yaml:"DOMAIN_BEACON_ATTESTER" spec:"true"` // DomainBeaconAttester defines the BLS signature domain for attestation verification.
DomainDeposit [4]byte `yaml:"DOMAIN_DEPOSIT" spec:"true"` // DomainDeposit defines the BLS signature domain for deposit verification.
DomainVoluntaryExit [4]byte `yaml:"DOMAIN_VOLUNTARY_EXIT" spec:"true"` // DomainVoluntaryExit defines the BLS signature domain for exit verification.
DomainSelectionProof [4]byte `yaml:"DOMAIN_SELECTION_PROOF" spec:"true"` // DomainSelectionProof defines the BLS signature domain for selection proof.
DomainAggregateAndProof [4]byte `yaml:"DOMAIN_AGGREGATE_AND_PROOF" spec:"true"` // DomainAggregateAndProof defines the BLS signature domain for aggregate and proof.
DomainSyncCommittee [4]byte `yaml:"DOMAIN_SYNC_COMMITTEE" spec:"true"` // DomainVoluntaryExit defines the BLS signature domain for sync committee.
DomainSyncCommitteeSelectionProof [4]byte `yaml:"DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF" spec:"true"` // DomainSelectionProof defines the BLS signature domain for sync committee selection proof.
DomainContributionAndProof [4]byte `yaml:"DOMAIN_CONTRIBUTION_AND_PROOF" spec:"true"` // DomainAggregateAndProof defines the BLS signature domain for contribution and proof.
DomainApplicationMask [4]byte `yaml:"DOMAIN_APPLICATION_MASK" spec:"true"` // DomainApplicationMask defines the BLS signature domain for application mask.
DomainApplicationBuilder [4]byte `yaml:"DOMAIN_APPLICATION_BUILDER" spec:"true"` // DomainApplicationBuilder defines the BLS signature domain for application builder.
DomainBLSToExecutionChange [4]byte `yaml:"DOMAIN_BLS_TO_EXECUTION_CHANGE" spec:"true"` // DomainBLSToExecutionChange defines the BLS signature domain to change withdrawal addresses to ETH1 prefix
// Prysm constants.
GenesisValidatorsRoot [32]byte // GenesisValidatorsRoot is the root hash of the genesis validators.
GweiPerEth uint64 // GweiPerEth is the amount of gwei corresponding to 1 eth.
BLSSecretKeyLength int // BLSSecretKeyLength defines the expected length of BLS secret keys in bytes.
BLSPubkeyLength int // BLSPubkeyLength defines the expected length of BLS public keys in bytes.
DefaultBufferSize int // DefaultBufferSize for channels across the Prysm repository.
ValidatorPrivkeyFileName string // ValidatorPrivKeyFileName specifies the string name of a validator private key file.
WithdrawalPrivkeyFileName string // WithdrawalPrivKeyFileName specifies the string name of a withdrawal private key file.
RPCSyncCheck time.Duration // Number of seconds to query the sync service, to find out if the node is synced or not.
EmptySignature [96]byte // EmptySignature is used to represent a zeroed out BLS Signature.
DefaultPageSize int // DefaultPageSize defines the default page size for RPC server request.
MaxPeersToSync int // MaxPeersToSync describes the limit for number of peers in round robin sync.
SlotsPerArchivedPoint primitives.Slot // SlotsPerArchivedPoint defines the number of slots per one archived point.
GenesisCountdownInterval time.Duration // How often to log the countdown until the genesis time is reached.
BeaconStateFieldCount int // BeaconStateFieldCount defines how many fields are in the Phase0 beacon state.
BeaconStateAltairFieldCount int // BeaconStateAltairFieldCount defines how many fields are in the beacon state post upgrade to Altair.
BeaconStateBellatrixFieldCount int // BeaconStateBellatrixFieldCount defines how many fields are in beacon state post upgrade to Bellatrix.
BeaconStateCapellaFieldCount int // BeaconStateCapellaFieldCount defines how many fields are in beacon state post upgrade to Capella.
BeaconStateDenebFieldCount int // BeaconStateDenebFieldCount defines how many fields are in beacon state post upgrade to Deneb.
BeaconStateElectraFieldCount int // BeaconStateElectraFieldCount defines how many fields are in beacon state post upgrade to Electra.
BeaconStateFuluFieldCount int // BeaconStateFuluFieldCount defines how many fields are in beacon state post upgrade to Fulu.
BeaconStateGloasFieldCount int // BeaconStateGloasFieldCount defines how many fields are in beacon state post upgrade to Gloas.
// Slasher constants.
WeakSubjectivityPeriod primitives.Epoch // WeakSubjectivityPeriod defines the time period expressed in number of epochs were proof of stake network should validate block headers and attestations for slashable events.
PruneSlasherStoragePeriod primitives.Epoch // PruneSlasherStoragePeriod defines the time period expressed in number of epochs were proof of stake network should prune attestation and block header store.
// Slashing protection constants.
SlashingProtectionPruningEpochs primitives.Epoch // SlashingProtectionPruningEpochs defines a period after which all prior epochs are pruned in the validator database.
// Fork-related values.
GenesisForkVersion []byte `yaml:"GENESIS_FORK_VERSION" spec:"true"` // GenesisForkVersion is used to track fork version between state transitions.
AltairForkVersion []byte `yaml:"ALTAIR_FORK_VERSION" spec:"true"` // AltairForkVersion is used to represent the fork version for altair.
AltairForkEpoch primitives.Epoch `yaml:"ALTAIR_FORK_EPOCH" spec:"true"` // AltairForkEpoch is used to represent the assigned fork epoch for altair.
BellatrixForkVersion []byte `yaml:"BELLATRIX_FORK_VERSION" spec:"true"` // BellatrixForkVersion is used to represent the fork version for bellatrix.
BellatrixForkEpoch primitives.Epoch `yaml:"BELLATRIX_FORK_EPOCH" spec:"true"` // BellatrixForkEpoch is used to represent the assigned fork epoch for bellatrix.
CapellaForkVersion []byte `yaml:"CAPELLA_FORK_VERSION" spec:"true"` // CapellaForkVersion is used to represent the fork version for capella.
CapellaForkEpoch primitives.Epoch `yaml:"CAPELLA_FORK_EPOCH" spec:"true"` // CapellaForkEpoch is used to represent the assigned fork epoch for capella.
DenebForkVersion []byte `yaml:"DENEB_FORK_VERSION" spec:"true"` // DenebForkVersion is used to represent the fork version for deneb.
DenebForkEpoch primitives.Epoch `yaml:"DENEB_FORK_EPOCH" spec:"true"` // DenebForkEpoch is used to represent the assigned fork epoch for deneb.
ElectraForkVersion []byte `yaml:"ELECTRA_FORK_VERSION" spec:"true"` // ElectraForkVersion is used to represent the fork version for electra.
ElectraForkEpoch primitives.Epoch `yaml:"ELECTRA_FORK_EPOCH" spec:"true"` // ElectraForkEpoch is used to represent the assigned fork epoch for electra.
FuluForkVersion []byte `yaml:"FULU_FORK_VERSION" spec:"true"` // FuluForkVersion is used to represent the fork version for fulu.
FuluForkEpoch primitives.Epoch `yaml:"FULU_FORK_EPOCH" spec:"true"` // FuluForkEpoch is used to represent the assigned fork epoch for fulu.
ForkVersionSchedule map[[fieldparams.VersionLength]byte]primitives.Epoch // Schedule of fork epochs by version.
ForkVersionNames map[[fieldparams.VersionLength]byte]string // Human-readable names of fork versions.
// Weak subjectivity values.
SafetyDecay uint64 // SafetyDecay is defined as the loss in the 1/3 consensus safety margin of the casper FFG mechanism.
// New values introduced in Altair hard fork 1.
// Participation flag indices.
TimelySourceFlagIndex uint8 `yaml:"TIMELY_SOURCE_FLAG_INDEX" spec:"true"` // TimelySourceFlagIndex is the source flag position of the participation bits.
TimelyTargetFlagIndex uint8 `yaml:"TIMELY_TARGET_FLAG_INDEX" spec:"true"` // TimelyTargetFlagIndex is the target flag position of the participation bits.
TimelyHeadFlagIndex uint8 `yaml:"TIMELY_HEAD_FLAG_INDEX" spec:"true"` // TimelyHeadFlagIndex is the head flag position of the participation bits.
// Incentivization weights.
TimelySourceWeight uint64 `yaml:"TIMELY_SOURCE_WEIGHT" spec:"true"` // TimelySourceWeight is the factor of how much source rewards receives.
TimelyTargetWeight uint64 `yaml:"TIMELY_TARGET_WEIGHT" spec:"true"` // TimelyTargetWeight is the factor of how much target rewards receives.
TimelyHeadWeight uint64 `yaml:"TIMELY_HEAD_WEIGHT" spec:"true"` // TimelyHeadWeight is the factor of how much head rewards receives.
SyncRewardWeight uint64 `yaml:"SYNC_REWARD_WEIGHT" spec:"true"` // SyncRewardWeight is the factor of how much sync committee rewards receives.
WeightDenominator uint64 `yaml:"WEIGHT_DENOMINATOR" spec:"true"` // WeightDenominator accounts for total rewards denomination.
ProposerWeight uint64 `yaml:"PROPOSER_WEIGHT" spec:"true"` // ProposerWeight is the factor of how much proposer rewards receives.
// Validator related.
TargetAggregatorsPerSyncSubcommittee uint64 `yaml:"TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE" spec:"true"` // TargetAggregatorsPerSyncSubcommittee for aggregating in sync committee.
SyncCommitteeSubnetCount uint64 `yaml:"SYNC_COMMITTEE_SUBNET_COUNT" spec:"true"` // SyncCommitteeSubnetCount for sync committee subnet count.
// Misc.
SyncCommitteeSize uint64 `yaml:"SYNC_COMMITTEE_SIZE" spec:"true"` // SyncCommitteeSize for light client sync committee size.
InactivityScoreBias uint64 `yaml:"INACTIVITY_SCORE_BIAS" spec:"true"` // InactivityScoreBias for calculating score bias penalties during inactivity
InactivityScoreRecoveryRate uint64 `yaml:"INACTIVITY_SCORE_RECOVERY_RATE" spec:"true"` // InactivityScoreRecoveryRate for recovering score bias penalties during inactivity.
EpochsPerSyncCommitteePeriod primitives.Epoch `yaml:"EPOCHS_PER_SYNC_COMMITTEE_PERIOD" spec:"true"` // EpochsPerSyncCommitteePeriod defines how many epochs per sync committee period.
// Updated penalty values. This moves penalty parameters toward their final, maximum security values.
// Note: We do not override previous configuration values but instead creates new values and replaces usage throughout.
InactivityPenaltyQuotientAltair uint64 `yaml:"INACTIVITY_PENALTY_QUOTIENT_ALTAIR" spec:"true"` // InactivityPenaltyQuotientAltair for penalties during inactivity post Altair hard fork.
MinSlashingPenaltyQuotientAltair uint64 `yaml:"MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR" spec:"true"` // MinSlashingPenaltyQuotientAltair for slashing penalties post Altair hard fork.
ProportionalSlashingMultiplierAltair uint64 `yaml:"PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR" spec:"true"` // ProportionalSlashingMultiplierAltair for slashing penalties' multiplier post Alair hard fork.
MinSlashingPenaltyQuotientBellatrix uint64 `yaml:"MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX" spec:"true"` // MinSlashingPenaltyQuotientBellatrix for slashing penalties post Bellatrix hard fork.
ProportionalSlashingMultiplierBellatrix uint64 `yaml:"PROPORTIONAL_SLASHING_MULTIPLIER_BELLATRIX" spec:"true"` // ProportionalSlashingMultiplierBellatrix for slashing penalties' multiplier post Bellatrix hard fork.
InactivityPenaltyQuotientBellatrix uint64 `yaml:"INACTIVITY_PENALTY_QUOTIENT_BELLATRIX" spec:"true"` // InactivityPenaltyQuotientBellatrix for penalties during inactivity post Bellatrix hard fork.
// Light client
MinSyncCommitteeParticipants uint64 `yaml:"MIN_SYNC_COMMITTEE_PARTICIPANTS" spec:"true"` // MinSyncCommitteeParticipants defines the minimum amount of sync committee participants for which the light client acknowledges the signature.
MaxRequestLightClientUpdates uint64 `yaml:"MAX_REQUEST_LIGHT_CLIENT_UPDATES" spec:"true"` // MaxRequestLightClientUpdates defines the maximum amount of light client updates that can be requested in a single request.
// Bellatrix
TerminalBlockHash common.Hash `yaml:"TERMINAL_BLOCK_HASH" spec:"true"` // TerminalBlockHash of beacon chain.
TerminalBlockHashActivationEpoch primitives.Epoch `yaml:"TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH" spec:"true"` // TerminalBlockHashActivationEpoch of beacon chain.
TerminalTotalDifficulty string `yaml:"TERMINAL_TOTAL_DIFFICULTY" spec:"true"` // TerminalTotalDifficulty is part of the experimental Bellatrix spec. This value is type is currently TBD.
MaxBytesPerTransaction uint64 `yaml:"MAX_BYTES_PER_TRANSACTION" spec:"true"` // MaxBytesPerTransaction is the maximum number of bytes a single transaction can have.
MaxTransactionsPerPayload uint64 `yaml:"MAX_TRANSACTIONS_PER_PAYLOAD" spec:"true"` // MaxTransactionsPerPayload is the maximum number of transactions a single execution payload can include.
BytesPerLogsBloom uint64 `yaml:"BYTES_PER_LOGS_BLOOM" spec:"true"` // BytesPerLogsBloom is the number of bytes that constitute a log bloom filter.
MaxExtraDataBytes uint64 `yaml:"MAX_EXTRA_DATA_BYTES" spec:"true"` // MaxExtraDataBytes is the maximum number of bytes for the execution payload's extra data field.
DefaultFeeRecipient common.Address // DefaultFeeRecipient where the transaction fee goes to.
EthBurnAddressHex string // EthBurnAddressHex is the constant eth address written in hex format to burn fees in that network. the default is 0x0
DefaultBuilderGasLimit uint64 // DefaultBuilderGasLimit is the default used to set the gaslimit for the Builder APIs, typically at around 30M wei.
// Mev-boost circuit breaker
MaxBuilderConsecutiveMissedSlots primitives.Slot // MaxBuilderConsecutiveMissedSlots defines the number of consecutive skip slot to fallback from using relay/builder to local execution engine for block construction.
MaxBuilderEpochMissedSlots primitives.Slot // MaxBuilderEpochMissedSlots is defining the number of total skip slot (per epoch rolling windows) to fallback from using relay/builder to local execution engine for block construction.
LocalBlockValueBoost uint64 // LocalBlockValueBoost is the value boost for local block construction. This is used to prioritize local block construction over relay/builder block construction.
MinBuilderBid uint64 // MinBuilderBid is the minimum value that the builder's block can have to be considered by this node.
MinBuilderDiff uint64 // MinBuilderDiff is the minimum value above the local block value that the builder has to bid to be considered by this node
// Execution engine timeout value
ExecutionEngineTimeoutValue uint64 // ExecutionEngineTimeoutValue defines the seconds to wait before timing out engine endpoints with execution payload execution semantics (newPayload, forkchoiceUpdated).
// Subnet value
BlobsidecarSubnetCount uint64 `yaml:"BLOB_SIDECAR_SUBNET_COUNT" spec:"true"` // BlobsidecarSubnetCount is the number of blobsidecar subnets used in the gossipsub protocol.
BlobsidecarSubnetCountElectra uint64 `yaml:"BLOB_SIDECAR_SUBNET_COUNT_ELECTRA" spec:"true"` // BlobsidecarSubnetCountElectra is the number of blobsidecar subnets used in the gossipsub protocol post Electra hard fork.
// Values introduced in Deneb hard fork
MaxPerEpochActivationChurnLimit uint64 `yaml:"MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT" spec:"true"` // MaxPerEpochActivationChurnLimit is the maximum amount of churn allotted for validator activation.
MinEpochsForBlobsSidecarsRequest primitives.Epoch `yaml:"MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS" spec:"true"` // MinEpochsForBlobsSidecarsRequest is the minimum number of epochs the node will keep the blobs for.
MaxRequestBlobSidecars uint64 `yaml:"MAX_REQUEST_BLOB_SIDECARS" spec:"true"` // MaxRequestBlobSidecars is the maximum number of blobs to request in a single request.
MaxRequestBlobSidecarsElectra uint64 `yaml:"MAX_REQUEST_BLOB_SIDECARS_ELECTRA" spec:"true"` // MaxRequestBlobSidecarsElectra is the maximum number of blobs to request in a single request after the electra epoch.
MaxRequestBlocksDeneb uint64 `yaml:"MAX_REQUEST_BLOCKS_DENEB" spec:"true"` // MaxRequestBlocksDeneb is the maximum number of blocks in a single request after the deneb epoch.
FieldElementsPerBlob uint64 `yaml:"FIELD_ELEMENTS_PER_BLOB" spec:"true"` // FieldElementsPerBlob is the number of field elements that constitute a single blob.
MaxBlobCommitmentsPerBlock uint64 `yaml:"MAX_BLOB_COMMITMENTS_PER_BLOCK" spec:"true"` // MaxBlobCommitmentsPerBlock is the maximum number of KZG commitments that a block can have.
KzgCommitmentInclusionProofDepth uint64 `yaml:"KZG_COMMITMENT_INCLUSION_PROOF_DEPTH" spec:"true"` // KzgCommitmentInclusionProofDepth is the depth of the merkle proof of a KZG commitment.
// Values introduced in Electra upgrade
MaxPerEpochActivationExitChurnLimit uint64 `yaml:"MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT" spec:"true"` // MaxPerEpochActivationExitChurnLimit represents the maximum combined activation and exit churn.
MinPerEpochChurnLimitElectra uint64 `yaml:"MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA" spec:"true"` // MinPerEpochChurnLimitElectra is the minimum amount of churn allotted for validator rotations for electra.
MaxEffectiveBalanceElectra uint64 `yaml:"MAX_EFFECTIVE_BALANCE_ELECTRA" spec:"true"` // MaxEffectiveBalanceElectra is the maximal amount of Gwei that is effective for staking, increased in electra.
MinSlashingPenaltyQuotientElectra uint64 `yaml:"MIN_SLASHING_PENALTY_QUOTIENT_ELECTRA" spec:"true"` // MinSlashingPenaltyQuotientElectra is used to calculate the minimum penalty to prevent DoS attacks, modified for electra.
WhistleBlowerRewardQuotientElectra uint64 `yaml:"WHISTLEBLOWER_REWARD_QUOTIENT_ELECTRA" spec:"true"` // WhistleBlowerRewardQuotientElectra is used to calculate whistle blower reward, modified in electra.
PendingDepositsLimit uint64 `yaml:"PENDING_DEPOSITS_LIMIT" spec:"true"` // PendingDepositsLimit is the maximum number of pending balance deposits allowed in the beacon state.
PendingPartialWithdrawalsLimit uint64 `yaml:"PENDING_PARTIAL_WITHDRAWALS_LIMIT" spec:"true"` // PendingPartialWithdrawalsLimit is the maximum number of pending partial withdrawals allowed in the beacon state.
PendingConsolidationsLimit uint64 `yaml:"PENDING_CONSOLIDATIONS_LIMIT" spec:"true"` // PendingConsolidationsLimit is the maximum number of pending validator consolidations allowed in the beacon state.
MaxConsolidationsRequestsPerPayload uint64 `yaml:"MAX_CONSOLIDATION_REQUESTS_PER_PAYLOAD" spec:"true"` // MaxConsolidationsRequestsPerPayload is the maximum number of consolidations in a block.
MaxPendingPartialsPerWithdrawalsSweep uint64 `yaml:"MAX_PENDING_PARTIALS_PER_WITHDRAWALS_SWEEP" spec:"true"` // MaxPendingPartialsPerWithdrawalsSweep is the maximum number of pending partial withdrawals to process per payload.
MaxPendingDepositsPerEpoch uint64 `yaml:"MAX_PENDING_DEPOSITS_PER_EPOCH" spec:"true"` // MaxPendingDepositsPerEpoch is the maximum number of pending deposits per epoch processing.
FullExitRequestAmount uint64 `yaml:"FULL_EXIT_REQUEST_AMOUNT" spec:"true"` // FullExitRequestAmount is the amount of Gwei required to request a full exit.
MaxWithdrawalRequestsPerPayload uint64 `yaml:"MAX_WITHDRAWAL_REQUESTS_PER_PAYLOAD" spec:"true"` // MaxWithdrawalRequestsPerPayload is the maximum number of execution layer withdrawal requests in each payload.
MaxDepositRequestsPerPayload uint64 `yaml:"MAX_DEPOSIT_REQUESTS_PER_PAYLOAD" spec:"true"` // MaxDepositRequestsPerPayload is the maximum number of execution layer deposits in each payload
UnsetDepositRequestsStartIndex uint64 `yaml:"UNSET_DEPOSIT_REQUESTS_START_INDEX" spec:"true"` // UnsetDepositRequestsStartIndex is used to check the start index for eip6110
// Values introduced in Fulu upgrade
SamplesPerSlot uint64 `yaml:"SAMPLES_PER_SLOT" spec:"true"` // SamplesPerSlot is the minimum number of samples for an honest node.
NumberOfCustodyGroups uint64 `yaml:"NUMBER_OF_CUSTODY_GROUPS" spec:"true"` // NumberOfCustodyGroups available for nodes to custody.
CustodyRequirement uint64 `yaml:"CUSTODY_REQUIREMENT" spec:"true"` // CustodyRequirement is minimum number of custody groups an honest node custodies and serves samples from.
MinEpochsForDataColumnSidecarsRequest primitives.Epoch `yaml:"MIN_EPOCHS_FOR_DATA_COLUMN_SIDECARS_REQUESTS" spec:"true"` // MinEpochsForDataColumnSidecarsRequest is the minimum number of epochs the node will keep the data columns for.
DataColumnSidecarSubnetCount uint64 `yaml:"DATA_COLUMN_SIDECAR_SUBNET_COUNT" spec:"true"` // DataColumnSidecarSubnetCount is the number of data column sidecar subnets used in the gossipsub protocol
MaxRequestDataColumnSidecars uint64 `yaml:"MAX_REQUEST_DATA_COLUMN_SIDECARS" spec:"true"` // MaxRequestDataColumnSidecars is the maximum number of data column sidecars in a single request
ValidatorCustodyRequirement uint64 `yaml:"VALIDATOR_CUSTODY_REQUIREMENT" spec:"true"` // ValidatorCustodyRequirement is the minimum number of custody groups an honest node with validators attached custodies and serves samples from
BalancePerAdditionalCustodyGroup uint64 `yaml:"BALANCE_PER_ADDITIONAL_CUSTODY_GROUP" spec:"true"` // BalancePerAdditionalCustodyGroup is the balance increment corresponding to one additional group to custody.
// Networking Specific Parameters
MaxPayloadSize uint64 `yaml:"MAX_PAYLOAD_SIZE" spec:"true"` // MAX_PAYLOAD_SIZE is the maximum allowed size of uncompressed payload in gossip messages and rpc chunks.
AttestationSubnetCount uint64 `yaml:"ATTESTATION_SUBNET_COUNT" spec:"true"` // AttestationSubnetCount is the number of attestation subnets used in the gossipsub protocol.
AttestationPropagationSlotRange primitives.Slot `yaml:"ATTESTATION_PROPAGATION_SLOT_RANGE" spec:"true"` // AttestationPropagationSlotRange is the maximum number of slots during which an attestation can be propagated.
MaxRequestBlocks uint64 `yaml:"MAX_REQUEST_BLOCKS" spec:"true"` // MaxRequestBlocks is the maximum number of blocks in a single request.
TtfbTimeout uint64 `yaml:"TTFB_TIMEOUT" spec:"true"` // TtfbTimeout is the maximum time to wait for first byte of request response (time-to-first-byte).
RespTimeout uint64 `yaml:"RESP_TIMEOUT" spec:"true"` // RespTimeout is the maximum time for complete response transfer.
MaximumGossipClockDisparity uint64 `yaml:"MAXIMUM_GOSSIP_CLOCK_DISPARITY" spec:"true"` // MaximumGossipClockDisparity is the maximum milliseconds of clock disparity assumed between honest nodes.
MessageDomainInvalidSnappy [4]byte `yaml:"MESSAGE_DOMAIN_INVALID_SNAPPY" spec:"true"` // MessageDomainInvalidSnappy is the 4-byte domain for gossip message-id isolation of invalid snappy messages.
MessageDomainValidSnappy [4]byte `yaml:"MESSAGE_DOMAIN_VALID_SNAPPY" spec:"true"` // MessageDomainValidSnappy is the 4-byte domain for gossip message-id isolation of valid snappy messages.
MinEpochsForBlockRequests uint64 `yaml:"MIN_EPOCHS_FOR_BLOCK_REQUESTS" spec:"true"` // MinEpochsForBlockRequests represents the minimum number of epochs for which we can serve block requests.
EpochsPerSubnetSubscription uint64 `yaml:"EPOCHS_PER_SUBNET_SUBSCRIPTION" spec:"true"` // EpochsPerSubnetSubscription specifies the minimum duration a validator is connected to their subnet.
AttestationSubnetExtraBits uint64 `yaml:"ATTESTATION_SUBNET_EXTRA_BITS" spec:"true"` // AttestationSubnetExtraBits is the number of extra bits of a NodeId to use when mapping to a subscribed subnet.
AttestationSubnetPrefixBits uint64 `yaml:"ATTESTATION_SUBNET_PREFIX_BITS" spec:"true"` // AttestationSubnetPrefixBits is defined as (ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS).
SubnetsPerNode uint64 `yaml:"SUBNETS_PER_NODE" spec:"true"` // SubnetsPerNode is the number of long-lived subnets a beacon node should be subscribed to.
NodeIdBits uint64 `yaml:"NODE_ID_BITS"` // NodeIdBits defines the bit length of a node id.
// Blobs Values
BlobSchedule []BlobScheduleEntry `yaml:"BLOB_SCHEDULE" spec:"true"`
// Deprecated_MaxBlobsPerBlock defines the max blobs that could exist in a block.
// Deprecated: This field is no longer supported. Avoid using it.
DeprecatedMaxBlobsPerBlock int `yaml:"MAX_BLOBS_PER_BLOCK" spec:"true"`
// DeprecatedMaxBlobsPerBlockElectra defines the max blobs that could exist in a block post Electra hard fork.
// Deprecated: This field is no longer supported. Avoid using it.
DeprecatedMaxBlobsPerBlockElectra int `yaml:"MAX_BLOBS_PER_BLOCK_ELECTRA" spec:"true"`
// DeprecatedTargetBlobsPerBlockElectra defines the target number of blobs per block post Electra hard fork.
// Deprecated: This field is no longer supported. Avoid using it.
DeprecatedTargetBlobsPerBlockElectra int `yaml:"TARGET_BLOBS_PER_BLOCK_ELECTRA"`
forkSchedule *NetworkSchedule
bpoSchedule *NetworkSchedule
networkSchedule *NetworkSchedule
}
func (b *BeaconChainConfig) VersionToForkEpochMap() map[int]primitives.Epoch {
return map[int]primitives.Epoch{
version.Altair: b.AltairForkEpoch,
version.Bellatrix: b.BellatrixForkEpoch,
version.Capella: b.CapellaForkEpoch,
version.Deneb: b.DenebForkEpoch,
version.Electra: b.ElectraForkEpoch,
version.Fulu: b.FuluForkEpoch,
}
}
func (b *BeaconChainConfig) ExecutionRequestLimits() enginev1.ExecutionRequestLimits {
return enginev1.ExecutionRequestLimits{
Deposits: b.MaxDepositRequestsPerPayload,
Withdrawals: b.MaxWithdrawalsPerPayload,
Consolidations: b.MaxConsolidationsRequestsPerPayload,
}
}
type NetworkScheduleEntry struct {
ForkVersion [fieldparams.VersionLength]byte `yaml:"-" json:"-"`
ForkDigest [4]byte `yaml:"-" json:"-"`
MaxBlobsPerBlock uint64 `yaml:"MAX_BLOBS_PER_BLOCK" json:"MAX_BLOBS_PER_BLOCK"`
Epoch primitives.Epoch `yaml:"EPOCH" json:"EPOCH"`
BPOEpoch primitives.Epoch `yaml:"-" json:"-"`
VersionEnum int `yaml:"-" json:"-"`
isFork bool `yaml:"-" json:"-"`
}
func (e NetworkScheduleEntry) LogFields() logrus.Fields {
gvr := BeaconConfig().GenesisValidatorsRoot
root, err := computeForkDataRoot(e.ForkVersion, gvr)
if err != nil {
log.WithField("version", fmt.Sprintf("%#x", e.ForkVersion)).
WithField("genesisValidatorsRoot", fmt.Sprintf("%#x", gvr)).
WithError(err).Error("Failed to compute fork data root")
}
fields := logrus.Fields{
"forkVersion": fmt.Sprintf("%#x", e.ForkVersion),
"forkDigest": fmt.Sprintf("%#x", e.ForkDigest),
"maxBlobsPerBlock": e.MaxBlobsPerBlock,
"epoch": e.Epoch,
"bpoEpoch": e.BPOEpoch,
"isFork": e.isFork,
"forkEnum": version.String(e.VersionEnum),
"sanity": fmt.Sprintf("%#x", root),
"gvr": fmt.Sprintf("%#x", gvr),
}
return fields
}
type BlobScheduleEntry NetworkScheduleEntry
func (b *BeaconChainConfig) ApplyOptions(opts ...Option) {
for _, opt := range opts {
opt(b)
}
}
// InitializeForkSchedule initializes the scheduled forks and BPOs baked into the config.
func (b *BeaconChainConfig) InitializeForkSchedule() {
// TODO: this needs to be able to return an error. The network schedule code has
// to implement weird fallbacks when it is not initialized properly, it would be better
// if the beacon node could crash if there isn't a valid fork schedule
// at the return of this function.
b.ForkVersionSchedule = configForkSchedule(b)
b.ForkVersionNames = configForkNames(b)
b.forkSchedule = initForkSchedule(b)
b.bpoSchedule = initBPOSchedule(b)
combined := b.forkSchedule.merge(b.bpoSchedule)
if err := combined.prepare(b); err != nil {
log.WithError(err).Error("Failed to prepare network schedule")
}
b.networkSchedule = combined
}
func LogDigests(b *BeaconChainConfig) {
schedule := b.networkSchedule
schedule.mu.RLock()
defer schedule.mu.RUnlock()
for _, e := range schedule.entries {
log.WithFields(e.LogFields()).Debug("Network schedule entry initialized")
digests := make([]string, 0, len(schedule.byDigest))
for k := range schedule.byDigest {
digests = append(digests, fmt.Sprintf("%#x", k))
}
log.WithField("digest_keys", strings.Join(digests, ", ")).Debug("Digests seen")
}
}
type NetworkSchedule struct {
mu sync.RWMutex
entries []NetworkScheduleEntry
byEpoch map[primitives.Epoch]*NetworkScheduleEntry
byVersion map[[fieldparams.VersionLength]byte]*NetworkScheduleEntry
byDigest map[[4]byte]*NetworkScheduleEntry
}
func newNetworkSchedule(entries []NetworkScheduleEntry) *NetworkSchedule {
return &NetworkSchedule{
entries: entries,
byEpoch: make(map[primitives.Epoch]*NetworkScheduleEntry),
byVersion: make(map[[fieldparams.VersionLength]byte]*NetworkScheduleEntry),
byDigest: make(map[[4]byte]*NetworkScheduleEntry),
}
}
func (ns *NetworkSchedule) epochIdx(epoch primitives.Epoch) int {
for i := len(ns.entries) - 1; i >= 0; i-- {
if ns.entries[i].Epoch <= epoch {
return i
}
}
return -1
}
func (ns *NetworkSchedule) safeIndex(idx int) NetworkScheduleEntry {
if idx < 0 || len(ns.entries) == 0 {
return genesisNetworkScheduleEntry()
}
if idx >= len(ns.entries) {
return ns.entries[len(ns.entries)-1]
}
return ns.entries[idx]
}
func (ns *NetworkSchedule) Next(epoch primitives.Epoch) NetworkScheduleEntry {
return ns.safeIndex(ns.epochIdx(epoch) + 1)
}
func (ns *NetworkSchedule) LastEntry() NetworkScheduleEntry {
for i := len(ns.entries) - 1; i >= 0; i-- {
if ns.entries[i].Epoch != BeaconConfig().FarFutureEpoch {
return ns.entries[i]
}
}
return genesisNetworkScheduleEntry()
}
// LastFork is the last full fork (this is used by e2e testing)
func (ns *NetworkSchedule) LastFork() NetworkScheduleEntry {
for i := len(ns.entries) - 1; i >= 0; i-- {
if ns.entries[i].isFork && ns.entries[i].Epoch != BeaconConfig().FarFutureEpoch {
return ns.entries[i]
}
}
return genesisNetworkScheduleEntry()
}
func (ns *NetworkSchedule) forEpoch(epoch primitives.Epoch) NetworkScheduleEntry {
return ns.safeIndex(ns.epochIdx(epoch))
}
func (ns *NetworkSchedule) merge(other *NetworkSchedule) *NetworkSchedule {
merged := make([]NetworkScheduleEntry, 0, len(ns.entries)+len(other.entries))
merged = append(merged, ns.entries...)
merged = append(merged, other.entries...)
sort.Slice(merged, func(i, j int) bool {
if merged[i].Epoch == merged[j].Epoch {
// This can happen for 2 reasons:
// 1) both entries are forks in a test setup (eg starting genesis at a later fork)
// - break tie by version enum
// 2) one entry is a fork, the other is a BPO change
// - break tie by putting the fork first
if merged[i].isFork && merged[j].isFork {
return merged[i].VersionEnum < merged[j].VersionEnum
}
return merged[i].isFork
}
return merged[i].Epoch < merged[j].Epoch
})
return newNetworkSchedule(merged)
}
func (ns *NetworkSchedule) index(e NetworkScheduleEntry) {
ns.mu.Lock()
defer ns.mu.Unlock()
if _, ok := ns.byDigest[e.ForkDigest]; !ok {
ns.byDigest[e.ForkDigest] = &e
}
if _, ok := ns.byVersion[e.ForkVersion]; !ok {
ns.byVersion[e.ForkVersion] = &e
}
if _, ok := ns.byEpoch[e.Epoch]; !ok {
ns.byEpoch[e.Epoch] = &e
}
}
func (ns *NetworkSchedule) prepare(b *BeaconChainConfig) error {
// Only keep entries up to FarFutureEpoch.
for i := range ns.entries {
if ns.entries[i].Epoch == b.FarFutureEpoch {
ns.entries = ns.entries[:i]
break
}
}
if len(ns.entries) == 0 {
return errors.New("cannot compute digests for an empty network schedule")
}
if !ns.entries[0].isFork {
return errors.New("cannot compute digests for a network schedule without a fork entry")
}
lastFork, err := entryWithForkDigest(ns.entries[0], b)
if err != nil {
return err
}
ns.entries[0] = lastFork
ns.index(ns.entries[0])
var lastBlobs *NetworkScheduleEntry
for i := 1; i < len(ns.entries); i++ {
entry := ns.entries[i]
if entry.isFork {
lastFork = entry
} else {
entry.ForkVersion = lastFork.ForkVersion
entry.VersionEnum = lastFork.VersionEnum
}
if entry.MaxBlobsPerBlock > 0 || !entry.isFork {
entry.BPOEpoch = entry.Epoch
lastBlobs = &entry
} else if lastBlobs != nil {
entry.MaxBlobsPerBlock = lastBlobs.MaxBlobsPerBlock
entry.BPOEpoch = lastBlobs.BPOEpoch
}
entry, err = entryWithForkDigest(entry, b)
if err != nil {
return err
}
ns.entries[i] = entry
ns.index(entry)
}
return nil
}
func entryWithForkDigest(entry NetworkScheduleEntry, b *BeaconChainConfig) (NetworkScheduleEntry, error) {
root, err := computeForkDataRoot(entry.ForkVersion, b.GenesisValidatorsRoot)
if err != nil {
return entry, err
}
entry.ForkDigest = to4(root[:])
if entry.Epoch < b.FuluForkEpoch {
return entry, nil
}
if entry.MaxBlobsPerBlock > math.MaxUint32 {
return entry, fmt.Errorf("max blobs per block exceeds maximum uint32 value")
}
hb := make([]byte, 16)
binary.LittleEndian.PutUint64(hb[0:8], uint64(entry.BPOEpoch))
binary.LittleEndian.PutUint64(hb[8:], entry.MaxBlobsPerBlock)
bpoHash := hash.Hash(hb)
entry.ForkDigest[0] = entry.ForkDigest[0] ^ bpoHash[0]
entry.ForkDigest[1] = entry.ForkDigest[1] ^ bpoHash[1]
entry.ForkDigest[2] = entry.ForkDigest[2] ^ bpoHash[2]
entry.ForkDigest[3] = entry.ForkDigest[3] ^ bpoHash[3]
return entry, nil
}
var to4 = bytesutil.ToBytes4
func initForkSchedule(b *BeaconChainConfig) *NetworkSchedule {
return newNetworkSchedule([]NetworkScheduleEntry{
{Epoch: b.GenesisEpoch, isFork: true, ForkVersion: to4(b.GenesisForkVersion), VersionEnum: version.Phase0},
{Epoch: b.AltairForkEpoch, isFork: true, ForkVersion: to4(b.AltairForkVersion), VersionEnum: version.Altair},
{Epoch: b.BellatrixForkEpoch, isFork: true, ForkVersion: to4(b.BellatrixForkVersion), VersionEnum: version.Bellatrix},
{Epoch: b.CapellaForkEpoch, isFork: true, ForkVersion: to4(b.CapellaForkVersion), VersionEnum: version.Capella},
{Epoch: b.DenebForkEpoch, isFork: true, ForkVersion: to4(b.DenebForkVersion), MaxBlobsPerBlock: uint64(b.DeprecatedMaxBlobsPerBlock), VersionEnum: version.Deneb},
{Epoch: b.ElectraForkEpoch, isFork: true, ForkVersion: to4(b.ElectraForkVersion), MaxBlobsPerBlock: uint64(b.DeprecatedMaxBlobsPerBlockElectra), VersionEnum: version.Electra},
{Epoch: b.FuluForkEpoch, isFork: true, ForkVersion: to4(b.FuluForkVersion), VersionEnum: version.Fulu},
})
}
func initBPOSchedule(b *BeaconChainConfig) *NetworkSchedule {
sort.Slice(b.BlobSchedule, func(i, j int) bool {
return b.BlobSchedule[i].Epoch < b.BlobSchedule[j].Epoch
})
entries := make([]NetworkScheduleEntry, len(b.BlobSchedule))
for i := range b.BlobSchedule {
entries[i] = NetworkScheduleEntry(b.BlobSchedule[i])
entries[i].BPOEpoch = entries[i].Epoch
}
return newNetworkSchedule(entries)
}
func configForkSchedule(b *BeaconChainConfig) map[[fieldparams.VersionLength]byte]primitives.Epoch {
fvs := map[[fieldparams.VersionLength]byte]primitives.Epoch{}
fvs[bytesutil.ToBytes4(b.GenesisForkVersion)] = b.GenesisEpoch
fvs[bytesutil.ToBytes4(b.AltairForkVersion)] = b.AltairForkEpoch
fvs[bytesutil.ToBytes4(b.BellatrixForkVersion)] = b.BellatrixForkEpoch
fvs[bytesutil.ToBytes4(b.CapellaForkVersion)] = b.CapellaForkEpoch
fvs[bytesutil.ToBytes4(b.DenebForkVersion)] = b.DenebForkEpoch
fvs[bytesutil.ToBytes4(b.ElectraForkVersion)] = b.ElectraForkEpoch
fvs[bytesutil.ToBytes4(b.FuluForkVersion)] = b.FuluForkEpoch
return fvs
}
func configForkNames(b *BeaconChainConfig) map[[fieldparams.VersionLength]byte]string {
cfv := ConfigForkVersions(b)
fvn := map[[fieldparams.VersionLength]byte]string{}
for k, v := range cfv {
fvn[k] = version.String(v)
}
return fvn
}
// ConfigForkVersions returns a mapping between a fork version param and the version identifier
// from the runtime/version package.
func ConfigForkVersions(b *BeaconChainConfig) map[[fieldparams.VersionLength]byte]int {
return map[[fieldparams.VersionLength]byte]int{
bytesutil.ToBytes4(b.GenesisForkVersion): version.Phase0,
bytesutil.ToBytes4(b.AltairForkVersion): version.Altair,
bytesutil.ToBytes4(b.BellatrixForkVersion): version.Bellatrix,
bytesutil.ToBytes4(b.CapellaForkVersion): version.Capella,
bytesutil.ToBytes4(b.DenebForkVersion): version.Deneb,
bytesutil.ToBytes4(b.ElectraForkVersion): version.Electra,
bytesutil.ToBytes4(b.FuluForkVersion): version.Fulu,
}
}
// Eth1DataVotesLength returns the maximum length of the votes on the Eth1 data,
// computed from the parameters in BeaconChainConfig.
func (b *BeaconChainConfig) Eth1DataVotesLength() uint64 {
return uint64(b.EpochsPerEth1VotingPeriod.Mul(uint64(b.SlotsPerEpoch)))
}
// PreviousEpochAttestationsLength returns the maximum length of the pending
// attestation list for the previous epoch, computed from the parameters in
// BeaconChainConfig.
func (b *BeaconChainConfig) PreviousEpochAttestationsLength() uint64 {
return uint64(b.SlotsPerEpoch.Mul(b.MaxAttestations))
}
// CurrentEpochAttestationsLength returns the maximum length of the pending
// attestation list for the current epoch, computed from the parameters in
// BeaconChainConfig.
func (b *BeaconChainConfig) CurrentEpochAttestationsLength() uint64 {
return uint64(b.SlotsPerEpoch.Mul(b.MaxAttestations))
}
// TtfbTimeoutDuration returns the time duration of the timeout.
func (b *BeaconChainConfig) TtfbTimeoutDuration() time.Duration {
return time.Duration(b.TtfbTimeout) * time.Second
}
// RespTimeoutDuration returns the time duration of the timeout.
func (b *BeaconChainConfig) RespTimeoutDuration() time.Duration {
return time.Duration(b.RespTimeout) * time.Second
}
// MaximumGossipClockDisparityDuration returns the time duration of the clock disparity.
func (b *BeaconChainConfig) MaximumGossipClockDisparityDuration() time.Duration {
return time.Duration(b.MaximumGossipClockDisparity) * time.Millisecond
}
// TargetBlobsPerBlock returns the target number of blobs per block for the given slot,
// accounting for changes introduced by the Electra fork.
func (b *BeaconChainConfig) TargetBlobsPerBlock(slot primitives.Slot) int {
if primitives.Epoch(slot.DivSlot(b.SlotsPerEpoch)) >= b.ElectraForkEpoch {
return b.DeprecatedTargetBlobsPerBlockElectra
}
return b.DeprecatedMaxBlobsPerBlock / 2
}
// MaxBlobsPerBlock returns the maximum number of blobs per block for the given slot.
func (b *BeaconChainConfig) MaxBlobsPerBlock(slot primitives.Slot) int {
epoch := primitives.Epoch(slot.DivSlot(b.SlotsPerEpoch))
return b.MaxBlobsPerBlockAtEpoch(epoch)
}
// MaxBlobsPerBlockAtEpoch returns the maximum number of blobs per block for the given epoch
func (b *BeaconChainConfig) MaxBlobsPerBlockAtEpoch(epoch primitives.Epoch) int {
return int(b.networkSchedule.forEpoch(epoch).MaxBlobsPerBlock)
}
// DenebEnabled centralizes the check to determine if code paths that are specific to deneb should be allowed to execute.
// This will make it easier to find call sites that do this kind of check and remove them post-deneb.
func DenebEnabled() bool {
return BeaconConfig().DenebForkEpoch < math.MaxUint64
}
// ElectraEnabled centralizes the check to determine if code paths
// that are specific to electra should be allowed to execute. This will make it easier to find call sites that do this
// kind of check and remove them post-electra.
func ElectraEnabled() bool {
return BeaconConfig().ElectraForkEpoch < math.MaxUint64
}
// FuluEnabled centralizes the check to determine if code paths that are specific to Fulu should be allowed to execute.
// This will make it easier to find call sites that do this kind of check and remove them post-fulu.
func FuluEnabled() bool {
return BeaconConfig().FuluForkEpoch < math.MaxUint64
}
// WithinDAPeriod checks if the block epoch is within the data availability retention period.
func WithinDAPeriod(block, current primitives.Epoch) bool {
if block >= BeaconConfig().FuluForkEpoch {
return block+BeaconConfig().MinEpochsForDataColumnSidecarsRequest >= current
}
return block+BeaconConfig().MinEpochsForBlobsSidecarsRequest >= current
}
// EpochsDuration returns the time duration of the given number of epochs.
func EpochsDuration(count primitives.Epoch, b *BeaconChainConfig) time.Duration {
return SlotsDuration(SlotsForEpochs(count, b), b)
}
// SlotsForEpochs returns the number of slots in the given number of epochs.
func SlotsForEpochs(count primitives.Epoch, b *BeaconChainConfig) primitives.Slot {
return primitives.Slot(count) * b.SlotsPerEpoch
}
// SlotsDuration returns the time duration of the given number of slots.
func SlotsDuration(count primitives.Slot, b *BeaconChainConfig) time.Duration {
return time.Duration(count) * b.SlotDuration()
}
// SecondsPerSlot returns the time duration of a single slot.
func SecondsPerSlot(b *BeaconChainConfig) time.Duration {
return b.SlotDuration()
}
// SlotDuration returns the configured slot duration as a time.Duration.
func (b *BeaconChainConfig) SlotDuration() time.Duration {
return time.Duration(b.SlotDurationMillis()) * time.Millisecond
}
// SlotDurationMillis returns the configured slot duration in milliseconds.
func (b *BeaconChainConfig) SlotDurationMillis() uint64 {
if b.SlotDurationMilliseconds > 0 {
return b.SlotDurationMilliseconds
}
return b.SecondsPerSlot * 1000
}
// SlotComponentDuration returns the duration representing the given portion (in basis points) of a slot.
func (b *BeaconChainConfig) SlotComponentDuration(bp primitives.BP) time.Duration {
ms := uint64(bp) * b.SlotDurationMillis() / uint64(BasisPoints)
return time.Duration(ms) * time.Millisecond
}
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