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fast.yaml
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fast.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**6 (= 64)
MAX_COMMITTEES_PER_SLOT: 64
# 2**7 (= 128)
TARGET_COMMITTEE_SIZE: 16
# 2**11 (= 2,048)
MAX_VALIDATORS_PER_COMMITTEE: 64
# 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**14` (= 16,384)
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 0
# Jan 3, 2020
MIN_GENESIS_TIME: 1606824000
# 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
# Validator
# ---------------------------------------------------------------
# 2**10 (= 1,024)
ETH1_FOLLOW_DISTANCE: 1024
# 2**4 (= 16)
TARGET_AGGREGATORS_PER_COMMITTEE: 16
# 2**0 (= 1)
RANDOM_SUBNETS_PER_VALIDATOR: 1
# 2**8 (= 256)
EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION: 256
# 14 (estimate from Eth1 mainnet)
SECONDS_PER_ETH1_BLOCK: 14
# 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
# ---------------------------------------------------------------
# Mainnet initial fork version, recommend altering for testnets
GENESIS_FORK_VERSION: 0x00000000
BLS_WITHDRAWAL_PREFIX: 0x00
# Time parameters
# ---------------------------------------------------------------
# 86400 seconds (1 day)
MIN_GENESIS_DELAY: 86400
# 12 seconds
SECONDS_PER_SLOT: 12
# 2**0 (= 1) slots 12 seconds
MIN_ATTESTATION_INCLUSION_DELAY: 1
# 2**5 (= 32) slots 6.4 minutes
SLOTS_PER_EPOCH: 4
# 2**0 (= 1) epochs 6.4 minutes
MIN_SEED_LOOKAHEAD: 1
# 2**2 (= 4) epochs 25.6 minutes
MAX_SEED_LOOKAHEAD: 4
# 2**5 (= 32) epochs ~3.4 hours
EPOCHS_PER_ETH1_VOTING_PERIOD: 4
# 2**13 (= 8,192) slots ~13 hours
SLOTS_PER_HISTORICAL_ROOT: 128
# 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
# State vector lengths
# ---------------------------------------------------------------
# 2**16 (= 65,536) epochs ~0.8 years
EPOCHS_PER_HISTORICAL_VECTOR: 128
# 2**13 (= 8,192) epochs ~36 days
EPOCHS_PER_SLASHINGS_VECTOR: 128
# 2**24 (= 16,777,216) historical roots, ~26,131 years
HISTORICAL_ROOTS_LIMIT: 1024
# 2**40 (= 1,099,511,627,776) validator spots
VALIDATOR_REGISTRY_LIMIT: 128
# 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
# Signature domains
# ---------------------------------------------------------------
DOMAIN_BEACON_PROPOSER: 0x00000000
DOMAIN_BEACON_ATTESTER: 0x01000000
DOMAIN_RANDAO: 0x02000000
DOMAIN_DEPOSIT: 0x03000000
DOMAIN_VOLUNTARY_EXIT: 0x04000000
DOMAIN_SELECTION_PROOF: 0x05000000
DOMAIN_AGGREGATE_AND_PROOF: 0x06000000
# Phase 1
DOMAIN_SHARD_PROPOSAL: 0x80000000
DOMAIN_SHARD_COMMITTEE: 0x81000000
DOMAIN_LIGHT_CLIENT: 0x82000000
DOMAIN_CUSTODY_BIT_SLASHING: 0x83000000
# Sync committees
# ---------------------------------------------------------------
SYNC_COMMITTEE_SIZE: 8
SYNC_COMMITTEE_SUBNET_COUNT: 2
SYNC_PUBKEYS_PER_AGGREGATE: 4
# Phase 1: Upgrade from Phase 0
# ---------------------------------------------------------------
PHASE_1_FORK_VERSION: 0x01000000
INITIAL_ACTIVE_SHARDS: 64
# Phase 1: General
# ---------------------------------------------------------------
# 2**10` (= 1024)
MAX_SHARDS: 1024
# 2**3 (= 8) | online epochs | ~51 min
ONLINE_PERIOD: 8
# 2**7 (= 128)
LIGHT_CLIENT_COMMITTEE_SIZE: 128
# 2**8 (= 256) | epochs | ~27 hours
LIGHT_CLIENT_COMMITTEE_PERIOD: 256
# 2**8 (= 256) | epochs | ~27 hours
SHARD_COMMITTEE_PERIOD: 256
# 2**18 (= 262,144)
SHARD_BLOCK_CHUNK_SIZE: 262144
# 2**2 (= 4)
MAX_SHARD_BLOCK_CHUNKS: 4
# 3 * 2**16` (= 196,608)
TARGET_SHARD_BLOCK_SIZE: 196608
# Note: MAX_SHARD_BLOCKS_PER_ATTESTATION is derived from the list length.
SHARD_BLOCK_OFFSETS: [1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233]
# len(SHARD_BLOCK_OFFSETS)
MAX_SHARD_BLOCKS_PER_ATTESTATION: 12
# 2**14 (= 16,384) Gwei
MAX_GASPRICE: 16384
# 2**3 (= 8) Gwei
MIN_GASPRICE: 8
# 2**3 (= 8)
GASPRICE_ADJUSTMENT_COEFFICIENT: 8
# Phase 1: Custody Game
# ---------------------------------------------------------------
# Time parameters
# 2**1 (= 2) epochs, 12.8 minutes
RANDAO_PENALTY_EPOCHS: 2
# 2**14 (= 16,384) epochs ~73 days
EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS: 16384
# 2**11 (= 2,048) epochs, ~9 days
EPOCHS_PER_CUSTODY_PERIOD: 2048
# 2**11 (= 2,048) epochs, ~9 days
CUSTODY_PERIOD_TO_RANDAO_PADDING: 2048
# 2**7 (= 128) epochs, ~14 hours
MAX_REVEAL_LATENESS_DECREMENT: 128
# Max operations
# 2**8 (= 256)
MAX_CUSTODY_KEY_REVEALS: 256
MAX_EARLY_DERIVED_SECRET_REVEALS: 1
MAX_CUSTODY_SLASHINGS: 1
# Reward and penalty quotients
EARLY_DERIVED_SECRET_REVEAL_SLOT_REWARD_MULTIPLE: 2
# 2**8 (= 256)
MINOR_REWARD_QUOTIENT: 256