eth2.0-specs/presets/mainnet/phase0.yaml

# Mainnet preset - Phase0

# Misc
# ---------------------------------------------------------------
# 2**6 (= 64)
MAX_COMMITTEES_PER_SLOT: 64
# 2**7 (= 128)
TARGET_COMMITTEE_SIZE: 128
# 2**11 (= 2,048)
MAX_VALIDATORS_PER_COMMITTEE: 2048
# See issue 563
SHUFFLE_ROUND_COUNT: 90
# 4
HYSTERESIS_QUOTIENT: 4
# 1 (minus 0.25)
HYSTERESIS_DOWNWARD_MULTIPLIER: 1
# 5 (plus 1.25)
HYSTERESIS_UPWARD_MULTIPLIER: 5


# Fork Choice
# ---------------------------------------------------------------
# 2**3 (= 8)
SAFE_SLOTS_TO_UPDATE_JUSTIFIED: 8


# Gwei values
# ---------------------------------------------------------------
# 2**0 * 10**9 (= 1,000,000,000) Gwei
MIN_DEPOSIT_AMOUNT: 1000000000
# 2**5 * 10**9 (= 32,000,000,000) Gwei
MAX_EFFECTIVE_BALANCE: 32000000000
# 2**0 * 10**9 (= 1,000,000,000) Gwei
EFFECTIVE_BALANCE_INCREMENT: 1000000000


# Time parameters
# ---------------------------------------------------------------
# 2**0 (= 1) slots 12 seconds
MIN_ATTESTATION_INCLUSION_DELAY: 1
# 2**5 (= 32) slots 6.4 minutes
SLOTS_PER_EPOCH: 32
# 2**0 (= 1) epochs 6.4 minutes
MIN_SEED_LOOKAHEAD: 1
# 2**2 (= 4) epochs 25.6 minutes
MAX_SEED_LOOKAHEAD: 4
# 2**6 (= 64) epochs ~6.8 hours
EPOCHS_PER_ETH1_VOTING_PERIOD: 64
# 2**13 (= 8,192) slots ~27 hours
SLOTS_PER_HISTORICAL_ROOT: 8192
# 2**2 (= 4) epochs 25.6 minutes
MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4


# State list lengths
# ---------------------------------------------------------------
# 2**16 (= 65,536) epochs ~0.8 years
EPOCHS_PER_HISTORICAL_VECTOR: 65536
# 2**13 (= 8,192) epochs ~36 days
EPOCHS_PER_SLASHINGS_VECTOR: 8192
# 2**24 (= 16,777,216) historical roots, ~26,131 years
HISTORICAL_ROOTS_LIMIT: 16777216
# 2**40 (= 1,099,511,627,776) validator spots
VALIDATOR_REGISTRY_LIMIT: 1099511627776


# Reward and penalty quotients
# ---------------------------------------------------------------
# 2**6 (= 64)
BASE_REWARD_FACTOR: 64
# 2**9 (= 512)
WHISTLEBLOWER_REWARD_QUOTIENT: 512
# 2**3 (= 8)
PROPOSER_REWARD_QUOTIENT: 8
# 2**26 (= 67,108,864)
INACTIVITY_PENALTY_QUOTIENT: 67108864
# 2**7 (= 128) (lower safety margin at Phase 0 genesis)
MIN_SLASHING_PENALTY_QUOTIENT: 128
# 1 (lower safety margin at Phase 0 genesis)
PROPORTIONAL_SLASHING_MULTIPLIER: 1


# Max operations per block
# ---------------------------------------------------------------
# 2**4 (= 16)
MAX_PROPOSER_SLASHINGS: 16
# 2**1 (= 2)
MAX_ATTESTER_SLASHINGS: 2
# 2**7 (= 128)
MAX_ATTESTATIONS: 128
# 2**4 (= 16)
MAX_DEPOSITS: 16
# 2**4 (= 16)
MAX_VOLUNTARY_EXITS: 16