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mainnet.yaml
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# Mainnet preset
# Note: the intention of this file (for now) is to illustrate what a mainnet configuration could look like.
# Some of these constants may still change before the launch of Phase 0.
# Misc
# ---------------------------------------------------------------
# 2**10 (= 1,024)
SHARD_COUNT: 1024
# 2**7 (= 128)
TARGET_COMMITTEE_SIZE: 128
# 2**12 (= 4,096)
MAX_VALIDATORS_PER_COMMITTEE: 4096
# 2**2 (= 4)
MIN_PER_EPOCH_CHURN_LIMIT: 4
# 2**16 (= 65,536)
CHURN_LIMIT_QUOTIENT: 65536
# See issue 563
SHUFFLE_ROUND_COUNT: 90
# `2**16` (= 65,536)
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 65536
# Jan 3, 2020
MIN_GENESIS_TIME: 1578009600
# Deposit contract
# ---------------------------------------------------------------
# **TBD**
DEPOSIT_CONTRACT_ADDRESS: 0x1234567890123456789012345678901234567890
# 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**4 * 10**9 (= 16,000,000,000) Gwei
EJECTION_BALANCE: 16000000000
# 2**0 * 10**9 (= 1,000,000,000) Gwei
EFFECTIVE_BALANCE_INCREMENT: 1000000000
# Initial values
# ---------------------------------------------------------------
# 0, GENESIS_EPOCH is derived from this constant
GENESIS_SLOT: 0
BLS_WITHDRAWAL_PREFIX: 0x00
# Time parameters
# ---------------------------------------------------------------
# 6 seconds 6 seconds
SECONDS_PER_SLOT: 6
# 2**0 (= 1) slots 6 seconds
MIN_ATTESTATION_INCLUSION_DELAY: 1
# 2**6 (= 64) slots 6.4 minutes
SLOTS_PER_EPOCH: 64
# 2**0 (= 1) epochs 6.4 minutes
MIN_SEED_LOOKAHEAD: 1
# 2**2 (= 4) epochs 25.6 minutes
ACTIVATION_EXIT_DELAY: 4
# 2**10 (= 1,024) slots ~1.7 hours
SLOTS_PER_ETH1_VOTING_PERIOD: 1024
# 2**13 (= 8,192) slots ~13 hours
SLOTS_PER_HISTORICAL_ROOT: 8192
# 2**8 (= 256) epochs ~27 hours
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
# 2**11 (= 2,048) epochs 9 days
PERSISTENT_COMMITTEE_PERIOD: 2048
# 2**6 (= 64) epochs ~7 hours
MAX_EPOCHS_PER_CROSSLINK: 64
# 2**2 (= 4) epochs 25.6 minutes
MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
# 2**14 (= 16,384) epochs ~73 days
EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS: 16384
# State vector 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**25 (= 33,554,432)
INACTIVITY_PENALTY_QUOTIENT: 33554432
# 2**5 (= 32)
MIN_SLASHING_PENALTY_QUOTIENT: 32
# Max operations per block
# ---------------------------------------------------------------
# 2**4 (= 16)
MAX_PROPOSER_SLASHINGS: 16
# 2**0 (= 1)
MAX_ATTESTER_SLASHINGS: 1
# 2**7 (= 128)
MAX_ATTESTATIONS: 128
# 2**4 (= 16)
MAX_DEPOSITS: 16
# 2**4 (= 16)
MAX_VOLUNTARY_EXITS: 16
# Originally 2**4 (= 16), disabled for now.
MAX_TRANSFERS: 0
# Signature domains
# ---------------------------------------------------------------
DOMAIN_BEACON_PROPOSER: 0x00000000
DOMAIN_RANDAO: 0x01000000
DOMAIN_ATTESTATION: 0x02000000
DOMAIN_DEPOSIT: 0x03000000
DOMAIN_VOLUNTARY_EXIT: 0x04000000
DOMAIN_TRANSFER: 0x05000000
DOMAIN_CUSTODY_BIT_CHALLENGE: 0x06000000
DOMAIN_SHARD_PROPOSER: 0x80000000
DOMAIN_SHARD_ATTESTER: 0x81000000