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prysm-pulse/config/params/mainnet_config.go

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package params
import (
"math"
"time"
fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
"github.com/prysmaticlabs/prysm/v5/encoding/bytesutil"
)
// MainnetConfig returns the configuration to be used in the main network.
func MainnetConfig() *BeaconChainConfig {
if mainnetBeaconConfig.ForkVersionSchedule == nil {
mainnetBeaconConfig.InitializeForkSchedule()
}
return mainnetBeaconConfig
}
const (
// Genesis Fork Epoch for the mainnet config.
genesisForkEpoch = 0
// Altair Fork Epoch for mainnet config.
mainnetAltairForkEpoch = 74240 // Oct 27, 2021, 10:56:23am UTC
// Bellatrix Fork Epoch for mainnet config.
mainnetBellatrixForkEpoch = 144896 // Sept 6, 2022, 11:34:47am UTC
// Capella Fork Epoch for mainnet config.
mainnetCapellaForkEpoch = 194048 // April 12, 2023, 22:27:35 UTC
// Deneb Fork Epoch for mainnet config.
mainnetDenebForkEpoch = 269568 // March 13, 2024, 13:55:35 UTC
)
var mainnetNetworkConfig = &NetworkConfig{
ETH2Key: "eth2",
AttSubnetKey: "attnets",
SyncCommsSubnetKey: "syncnets",
MinimumPeersInSubnetSearch: 20,
ContractDeploymentBlock: 11184524, // Note: contract was deployed in block 11052984 but no transactions were sent until 11184524.
BootstrapNodes: []string{
// Teku team's bootnode
"enr:-KG4QNTx85fjxABbSq_Rta9wy56nQ1fHK0PewJbGjLm1M4bMGx5-3Qq4ZX2-iFJ0pys_O90sVXNNOxp2E7afBsGsBrgDhGV0aDKQu6TalgMAAAD__________4JpZIJ2NIJpcIQEnfA2iXNlY3AyNTZrMaECGXWQ-rQ2KZKRH1aOW4IlPDBkY4XDphxg9pxKytFCkayDdGNwgiMog3VkcIIjKA",
"enr:-KG4QF4B5WrlFcRhUU6dZETwY5ZzAXnA0vGC__L1Kdw602nDZwXSTs5RFXFIFUnbQJmhNGVU6OIX7KVrCSTODsz1tK4DhGV0aDKQu6TalgMAAAD__________4JpZIJ2NIJpcIQExNYEiXNlY3AyNTZrMaECQmM9vp7KhaXhI-nqL_R0ovULLCFSFTa9CPPSdb1zPX6DdGNwgiMog3VkcIIjKA",
// Prylab team's bootnodes
"enr:-Ku4QImhMc1z8yCiNJ1TyUxdcfNucje3BGwEHzodEZUan8PherEo4sF7pPHPSIB1NNuSg5fZy7qFsjmUKs2ea1Whi0EBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQOVphkDqal4QzPMksc5wnpuC3gvSC8AfbFOnZY_On34wIN1ZHCCIyg",
"enr:-Ku4QP2xDnEtUXIjzJ_DhlCRN9SN99RYQPJL92TMlSv7U5C1YnYLjwOQHgZIUXw6c-BvRg2Yc2QsZxxoS_pPRVe0yK8Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMeFF5GrS7UZpAH2Ly84aLK-TyvH-dRo0JM1i8yygH50YN1ZHCCJxA",
"enr:-Ku4QPp9z1W4tAO8Ber_NQierYaOStqhDqQdOPY3bB3jDgkjcbk6YrEnVYIiCBbTxuar3CzS528d2iE7TdJsrL-dEKoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQMw5fqqkw2hHC4F5HZZDPsNmPdB1Gi8JPQK7pRc9XHh-oN1ZHCCKvg",
// Lighthouse team's bootnodes
"enr:-Jq4QItoFUuug_n_qbYbU0OY04-np2wT8rUCauOOXNi0H3BWbDj-zbfZb7otA7jZ6flbBpx1LNZK2TDebZ9dEKx84LYBhGV0aDKQtTA_KgEAAAD__________4JpZIJ2NIJpcISsaa0ZiXNlY3AyNTZrMaEDHAD2JKYevx89W0CcFJFiskdcEzkH_Wdv9iW42qLK79ODdWRwgiMo",
"enr:-Jq4QN_YBsUOqQsty1OGvYv48PMaiEt1AzGD1NkYQHaxZoTyVGqMYXg0K9c0LPNWC9pkXmggApp8nygYLsQwScwAgfgBhGV0aDKQtTA_KgEAAAD__________4JpZIJ2NIJpcISLosQxiXNlY3AyNTZrMaEDBJj7_dLFACaxBfaI8KZTh_SSJUjhyAyfshimvSqo22WDdWRwgiMo",
// EF bootnodes
"enr:-Ku4QHqVeJ8PPICcWk1vSn_XcSkjOkNiTg6Fmii5j6vUQgvzMc9L1goFnLKgXqBJspJjIsB91LTOleFmyWWrFVATGngBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAMRHkWJc2VjcDI1NmsxoQKLVXFOhp2uX6jeT0DvvDpPcU8FWMjQdR4wMuORMhpX24N1ZHCCIyg",
"enr:-Ku4QG-2_Md3sZIAUebGYT6g0SMskIml77l6yR-M_JXc-UdNHCmHQeOiMLbylPejyJsdAPsTHJyjJB2sYGDLe0dn8uYBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhBLY-NyJc2VjcDI1NmsxoQORcM6e19T1T9gi7jxEZjk_sjVLGFscUNqAY9obgZaxbIN1ZHCCIyg",
"enr:-Ku4QPn5eVhcoF1opaFEvg1b6JNFD2rqVkHQ8HApOKK61OIcIXD127bKWgAtbwI7pnxx6cDyk_nI88TrZKQaGMZj0q0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDayLMaJc2VjcDI1NmsxoQK2sBOLGcUb4AwuYzFuAVCaNHA-dy24UuEKkeFNgCVCsIN1ZHCCIyg",
"enr:-Ku4QEWzdnVtXc2Q0ZVigfCGggOVB2Vc1ZCPEc6j21NIFLODSJbvNaef1g4PxhPwl_3kax86YPheFUSLXPRs98vvYsoBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhDZBrP2Jc2VjcDI1NmsxoQM6jr8Rb1ktLEsVcKAPa08wCsKUmvoQ8khiOl_SLozf9IN1ZHCCIyg",
// Nimbus bootnodes
"enr:-LK4QA8FfhaAjlb_BXsXxSfiysR7R52Nhi9JBt4F8SPssu8hdE1BXQQEtVDC3qStCW60LSO7hEsVHv5zm8_6Vnjhcn0Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhAN4aBKJc2VjcDI1NmsxoQJerDhsJ-KxZ8sHySMOCmTO6sHM3iCFQ6VMvLTe948MyYN0Y3CCI4yDdWRwgiOM",
"enr:-LK4QKWrXTpV9T78hNG6s8AM6IO4XH9kFT91uZtFg1GcsJ6dKovDOr1jtAAFPnS2lvNltkOGA9k29BUN7lFh_sjuc9QBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpC1MD8qAAAAAP__________gmlkgnY0gmlwhANAdd-Jc2VjcDI1NmsxoQLQa6ai7y9PMN5hpLe5HmiJSlYzMuzP7ZhwRiwHvqNXdoN0Y3CCI4yDdWRwgiOM",
},
}
var mainnetBeaconConfig = &BeaconChainConfig{
// Constants (Non-configurable)
FarFutureEpoch: math.MaxUint64,
FarFutureSlot: math.MaxUint64,
BaseRewardsPerEpoch: 4,
DepositContractTreeDepth: 32,
GenesisDelay: 604800, // 1 week.
// Misc constant.
TargetCommitteeSize: 128,
MaxValidatorsPerCommittee: 2048,
MaxCommitteesPerSlot: 64,
MinPerEpochChurnLimit: 4,
ChurnLimitQuotient: 1 << 16,
ShuffleRoundCount: 90,
MinGenesisActiveValidatorCount: 16384,
MinGenesisTime: 1606824000, // Dec 1, 2020, 12pm UTC.
TargetAggregatorsPerCommittee: 16,
HysteresisQuotient: 4,
HysteresisDownwardMultiplier: 1,
HysteresisUpwardMultiplier: 5,
// Gwei value constants.
MinDepositAmount: 1 * 1e9,
MaxEffectiveBalance: 32 * 1e9,
EjectionBalance: 16 * 1e9,
EffectiveBalanceIncrement: 1 * 1e9,
// Initial value constants.
BLSWithdrawalPrefixByte: byte(0),
ETH1AddressWithdrawalPrefixByte: byte(1),
ZeroHash: [32]byte{},
// Time parameter constants.
MinAttestationInclusionDelay: 1,
SecondsPerSlot: 12,
SlotsPerEpoch: 32,
SqrRootSlotsPerEpoch: 5,
MinSeedLookahead: 1,
MaxSeedLookahead: 4,
EpochsPerEth1VotingPeriod: 64,
SlotsPerHistoricalRoot: 8192,
MinValidatorWithdrawabilityDelay: 256,
ShardCommitteePeriod: 256,
MinEpochsToInactivityPenalty: 4,
Eth1FollowDistance: 2048,
// Fork choice algorithm constants.
ProposerScoreBoost: 40,
ReorgWeightThreshold: 20,
ReorgParentWeightThreshold: 160,
ReorgMaxEpochsSinceFinalization: 2,
IntervalsPerSlot: 3,
// Ethereum PoW parameters.
DepositChainID: 1, // Chain ID of eth1 mainnet.
DepositNetworkID: 1, // Network ID of eth1 mainnet.
DepositContractAddress: "0x00000000219ab540356cBB839Cbe05303d7705Fa",
// Validator params.
RandomSubnetsPerValidator: 1 << 0,
EpochsPerRandomSubnetSubscription: 1 << 8,
// While eth1 mainnet block times are closer to 13s, we must conform with other clients in
// order to vote on the correct eth1 blocks.
//
// Additional context: https://github.com/ethereum/consensus-specs/issues/2132
// Bug prompting this change: https://github.com/prysmaticlabs/prysm/issues/7856
// Future optimization: https://github.com/prysmaticlabs/prysm/issues/7739
SecondsPerETH1Block: 14,
// State list length constants.
EpochsPerHistoricalVector: 65536,
EpochsPerSlashingsVector: 8192,
HistoricalRootsLimit: 16777216,
ValidatorRegistryLimit: 1099511627776,
// Reward and penalty quotients constants.
BaseRewardFactor: 64,
WhistleBlowerRewardQuotient: 512,
ProposerRewardQuotient: 8,
InactivityPenaltyQuotient: 67108864,
MinSlashingPenaltyQuotient: 128,
ProportionalSlashingMultiplier: 1,
// Max operations per block constants.
MaxProposerSlashings: 16,
MaxAttesterSlashings: 2,
MaxAttestations: 128,
MaxDeposits: 16,
MaxVoluntaryExits: 16,
MaxWithdrawalsPerPayload: 16,
MaxBlsToExecutionChanges: 16,
MaxValidatorsPerWithdrawalsSweep: 16384,
// BLS domain values.
DomainBeaconProposer: bytesutil.Uint32ToBytes4(0x00000000),
DomainBeaconAttester: bytesutil.Uint32ToBytes4(0x01000000),
DomainRandao: bytesutil.Uint32ToBytes4(0x02000000),
DomainDeposit: bytesutil.Uint32ToBytes4(0x03000000),
DomainVoluntaryExit: bytesutil.Uint32ToBytes4(0x04000000),
DomainSelectionProof: bytesutil.Uint32ToBytes4(0x05000000),
DomainAggregateAndProof: bytesutil.Uint32ToBytes4(0x06000000),
DomainSyncCommittee: bytesutil.Uint32ToBytes4(0x07000000),
DomainSyncCommitteeSelectionProof: bytesutil.Uint32ToBytes4(0x08000000),
DomainContributionAndProof: bytesutil.Uint32ToBytes4(0x09000000),
DomainApplicationMask: bytesutil.Uint32ToBytes4(0x00000001),
DomainApplicationBuilder: bytesutil.Uint32ToBytes4(0x00000001),
DomainBLSToExecutionChange: bytesutil.Uint32ToBytes4(0x0A000000),
// Prysm constants.
GweiPerEth: 1000000000,
BLSSecretKeyLength: 32,
BLSPubkeyLength: 48,
DefaultBufferSize: 10000,
WithdrawalPrivkeyFileName: "/shardwithdrawalkey",
ValidatorPrivkeyFileName: "/validatorprivatekey",
RPCSyncCheck: 1,
EmptySignature: [96]byte{},
DefaultPageSize: 250,
MaxPeersToSync: 15,
SlotsPerArchivedPoint: 2048,
GenesisCountdownInterval: time.Minute,
ConfigName: MainnetName,
PresetBase: "mainnet",
BeaconStateFieldCount: 21,
BeaconStateAltairFieldCount: 24,
BeaconStateBellatrixFieldCount: 25,
BeaconStateCapellaFieldCount: 28,
BeaconStateDenebFieldCount: 28,
// Slasher related values.
WeakSubjectivityPeriod: 54000,
PruneSlasherStoragePeriod: 10,
SlashingProtectionPruningEpochs: 512,
// Weak subjectivity values.
SafetyDecay: 10,
// Fork related values.
GenesisEpoch: genesisForkEpoch,
GenesisForkVersion: []byte{0, 0, 0, 0},
AltairForkVersion: []byte{1, 0, 0, 0},
AltairForkEpoch: mainnetAltairForkEpoch,
BellatrixForkVersion: []byte{2, 0, 0, 0},
BellatrixForkEpoch: mainnetBellatrixForkEpoch,
CapellaForkVersion: []byte{3, 0, 0, 0},
CapellaForkEpoch: mainnetCapellaForkEpoch,
DenebForkVersion: []byte{4, 0, 0, 0},
DenebForkEpoch: mainnetDenebForkEpoch,
// New values introduced in Altair hard fork 1.
// Participation flag indices.
TimelySourceFlagIndex: 0,
TimelyTargetFlagIndex: 1,
TimelyHeadFlagIndex: 2,
// Incentivization weight values.
TimelySourceWeight: 14,
TimelyTargetWeight: 26,
TimelyHeadWeight: 14,
SyncRewardWeight: 2,
ProposerWeight: 8,
WeightDenominator: 64,
// Validator related values.
TargetAggregatorsPerSyncSubcommittee: 16,
SyncCommitteeSubnetCount: 4,
// Misc values.
SyncCommitteeSize: 512,
InactivityScoreBias: 4,
InactivityScoreRecoveryRate: 16,
EpochsPerSyncCommitteePeriod: 256,
// Updated penalty values.
InactivityPenaltyQuotientAltair: 3 * 1 << 24, //50331648
MinSlashingPenaltyQuotientAltair: 64,
ProportionalSlashingMultiplierAltair: 2,
MinSlashingPenaltyQuotientBellatrix: 32,
ProportionalSlashingMultiplierBellatrix: 3,
InactivityPenaltyQuotientBellatrix: 1 << 24,
// Light client
MinSyncCommitteeParticipants: 1,
MaxRequestLightClientUpdates: 128,
// Bellatrix
TerminalBlockHashActivationEpoch: 18446744073709551615,
TerminalBlockHash: [32]byte{},
TerminalTotalDifficulty: "58750000000000000000000", // Estimated: Sept 15, 2022
EthBurnAddressHex: "0x0000000000000000000000000000000000000000",
DefaultBuilderGasLimit: uint64(30000000),
// Mevboost circuit breaker
MaxBuilderConsecutiveMissedSlots: 3,
MaxBuilderEpochMissedSlots: 5,
// Execution engine timeout value
ExecutionEngineTimeoutValue: 8, // 8 seconds default based on: https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md#core
// Subnet value
BlobsidecarSubnetCount: 6,
MaxPerEpochActivationChurnLimit: 8,
MinEpochsForBlobsSidecarsRequest: 4096,
MaxRequestBlobSidecars: 768,
MaxRequestBlocksDeneb: 128,
// Values related to networking parameters.
GossipMaxSize: 10 * 1 << 20, // 10 MiB
MaxChunkSize: 10 * 1 << 20, // 10 MiB
AttestationSubnetCount: 64,
AttestationPropagationSlotRange: 32,
MaxRequestBlocks: 1 << 10, // 1024
TtfbTimeout: 5,
RespTimeout: 10,
MaximumGossipClockDisparity: 500,
MessageDomainInvalidSnappy: [4]byte{00, 00, 00, 00},
MessageDomainValidSnappy: [4]byte{01, 00, 00, 00},
MinEpochsForBlockRequests: 33024, // MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT / 2 (= 33024, ~5 months)
EpochsPerSubnetSubscription: 256,
AttestationSubnetExtraBits: 0,
AttestationSubnetPrefixBits: 6,
SubnetsPerNode: 2,
NodeIdBits: 256,
}
// MainnetTestConfig provides a version of the mainnet config that has a different name
// and a different fork choice schedule. This can be used in cases where we want to use config values
// that are consistent with mainnet, but won't conflict or cause the hard-coded genesis to be loaded.
func MainnetTestConfig() *BeaconChainConfig {
mn := MainnetConfig().Copy()
mn.ConfigName = MainnetTestName
FillTestVersions(mn, 128)
return mn
}
// FillTestVersions replaces the fork schedule in the given BeaconChainConfig with test values, using the given
// byte argument as the high byte (common across forks).
func FillTestVersions(c *BeaconChainConfig, b byte) {
c.GenesisForkVersion = make([]byte, fieldparams.VersionLength)
c.AltairForkVersion = make([]byte, fieldparams.VersionLength)
c.BellatrixForkVersion = make([]byte, fieldparams.VersionLength)
c.CapellaForkVersion = make([]byte, fieldparams.VersionLength)
c.DenebForkVersion = make([]byte, fieldparams.VersionLength)
c.GenesisForkVersion[fieldparams.VersionLength-1] = b
c.AltairForkVersion[fieldparams.VersionLength-1] = b
c.BellatrixForkVersion[fieldparams.VersionLength-1] = b
c.CapellaForkVersion[fieldparams.VersionLength-1] = b
c.DenebForkVersion[fieldparams.VersionLength-1] = b
c.GenesisForkVersion[0] = 0
c.AltairForkVersion[0] = 1
c.BellatrixForkVersion[0] = 2
c.CapellaForkVersion[0] = 3
c.DenebForkVersion[0] = 4
}
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