config.yaml

PRESET_BASE: minimal

# Genesis
GENESIS_FORK_VERSION: 0x20000089

# Altair
ALTAIR_FORK_EPOCH: 0
ALTAIR_FORK_VERSION: 0x20000090

# Merge
BELLATRIX_FORK_EPOCH: 0
BELLATRIX_FORK_VERSION: 0x20000091
TERMINAL_TOTAL_DIFFICULTY: 0

# Capella
CAPELLA_FORK_EPOCH: 0
CAPELLA_FORK_VERSION: 0x20000092
MAX_WITHDRAWALS_PER_PAYLOAD: 4

# Time parameters
SECONDS_PER_SLOT: 6
SLOTS_PER_EPOCH: 4

# Deposit contract
DEPOSIT_CONTRACT_ADDRESS: 0x4242424242424242424242424242424242424242


# Time parameters
# ---------------------------------------------------------------
# [customized] Faster for testing purposes
SECONDS_PER_SLOT: 6
# 14 (estimate from Eth1 mainnet)
SECONDS_PER_ETH1_BLOCK: 14
# 2**8 (= 256) epochs
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
# [customized] higher frequency of committee turnover and faster time to acceptable voluntary exit
SHARD_COMMITTEE_PERIOD: 64
# [customized] process deposits more quickly, but insecure
ETH1_FOLLOW_DISTANCE: 16


# Validator cycle
# ---------------------------------------------------------------
# 2**2 (= 4)
INACTIVITY_SCORE_BIAS: 4
# 2**4 (= 16)
INACTIVITY_SCORE_RECOVERY_RATE: 16
# 2**4 * 10**9 (= 16,000,000,000) Gwei
EJECTION_BALANCE: 16000000000
# 2**2 (= 4)
MIN_PER_EPOCH_CHURN_LIMIT: 4
# [customized] scale queue churn at much lower validator counts for testing
CHURN_LIMIT_QUOTIENT: 32

# Genesis
# ---------------------------------------------------------------
# [customized]
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 64
# Jan 3, 2020
MIN_GENESIS_TIME: 1578009600
# [customized] Faster to spin up testnets, but does not give validator reasonable warning time for genesis
GENESIS_DELAY: 120


# Ethereum Goerli testnet
DEPOSIT_CHAIN_ID: 1
DEPOSIT_NETWORK_ID: 1

# Networking
# ---------------------------------------------------------------
# `10 * 2**20` (= 10485760, 10 MiB)
GOSSIP_MAX_SIZE: 10485760
# `2**10` (= 1024)
MAX_REQUEST_BLOCKS: 1024
# `2**8` (= 256)
EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
## [customized] `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 272)
MIN_EPOCHS_FOR_BLOCK_REQUESTS: 272
# `10 * 2**20` (=10485760, 10 MiB)
MAX_CHUNK_SIZE: 10485760
# 5s
TTFB_TIMEOUT: 5
# 10s
RESP_TIMEOUT: 10
ATTESTATION_PROPAGATION_SLOT_RANGE: 32
# 500ms
MAXIMUM_GOSSIP_CLOCK_DISPARITY: 500
MESSAGE_DOMAIN_INVALID_SNAPPY: 0x00000000
MESSAGE_DOMAIN_VALID_SNAPPY: 0x01000000
# 2 subnets per node
SUBNETS_PER_NODE: 2
# 2**8 (= 64)
ATTESTATION_SUBNET_COUNT: 64
ATTESTATION_SUBNET_EXTRA_BITS: 0
# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS
ATTESTATION_SUBNET_PREFIX_BITS: 6

KZG_NOOP: true