# Mainnet config # Extends the mainnet preset PRESET_BASE: 'mainnet' # Free-form short name of the network that this configuration applies to - known # canonical network names include: # * 'mainnet' - there can be only one # * 'prater' - testnet # Must match the regex: [a-z0-9\-] CONFIG_NAME: 'mainnet' # Transition # --------------------------------------------------------------- # Estimated on Sept 15, 2022 TERMINAL_TOTAL_DIFFICULTY: 58750000000000000000000 # By default, don't use these params TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000 TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615 # Genesis # --------------------------------------------------------------- # `2**14` (= 16,384) MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 16384 # Dec 1, 2020, 12pm UTC MIN_GENESIS_TIME: 1606824000 # Mainnet initial fork version, recommend altering for testnets GENESIS_FORK_VERSION: 0x00000000 # 604800 seconds (7 days) GENESIS_DELAY: 604800 # Forking # --------------------------------------------------------------- # Some forks are disabled for now: # - These may be re-assigned to another fork-version later # - Temporarily set to max uint64 value: 2**64 - 1 # Altair ALTAIR_FORK_VERSION: 0x01000000 ALTAIR_FORK_EPOCH: 74240 # Oct 27, 2021, 10:56:23am UTC # Bellatrix BELLATRIX_FORK_VERSION: 0x02000000 BELLATRIX_FORK_EPOCH: 144896 # Sept 6, 2022, 11:34:47am UTC # Capella CAPELLA_FORK_VERSION: 0x03000000 CAPELLA_FORK_EPOCH: 194048 # April 12, 2023, 10:27:35pm UTC # Deneb DENEB_FORK_VERSION: 0x04000000 DENEB_FORK_EPOCH: 18446744073709551615 # EIP6110 EIP6110_FORK_VERSION: 0x05000000 # temporary stub EIP6110_FORK_EPOCH: 18446744073709551615 # EIP7002 EIP7002_FORK_VERSION: 0x05000000 # temporary stub EIP7002_FORK_EPOCH: 18446744073709551615 # WHISK WHISK_FORK_VERSION: 0x06000000 # temporary stub WHISK_FORK_EPOCH: 18446744073709551615 # Time parameters # --------------------------------------------------------------- # 12 seconds SECONDS_PER_SLOT: 12 # 14 (estimate from Eth1 mainnet) SECONDS_PER_ETH1_BLOCK: 14 # 2**8 (= 256) epochs ~27 hours MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256 # 2**8 (= 256) epochs ~27 hours SHARD_COMMITTEE_PERIOD: 256 # 2**11 (= 2,048) Eth1 blocks ~8 hours ETH1_FOLLOW_DISTANCE: 2048 # 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 # 2**16 (= 65,536) CHURN_LIMIT_QUOTIENT: 65536 # [New in Deneb:EIP7514] 2**3 (= 8) MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 8 # Fork choice # --------------------------------------------------------------- # 40% PROPOSER_SCORE_BOOST: 40 # 20% REORG_HEAD_WEIGHT_THRESHOLD: 20 # 160% REORG_PARENT_WEIGHT_THRESHOLD: 160 # `2` epochs REORG_MAX_EPOCHS_SINCE_FINALIZATION: 2 # Deposit contract # --------------------------------------------------------------- # Ethereum PoW Mainnet DEPOSIT_CHAIN_ID: 1 DEPOSIT_NETWORK_ID: 1 DEPOSIT_CONTRACT_ADDRESS: 0x00000000219ab540356cBB839Cbe05303d7705Fa # 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 # `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 33024, ~5 months) MIN_EPOCHS_FOR_BLOCK_REQUESTS: 33024 # `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 # Deneb # `2**7` (=128) MAX_REQUEST_BLOCKS_DENEB: 128 # MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK MAX_REQUEST_BLOB_SIDECARS: 768 # `2**12` (= 4096 epochs, ~18 days) MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096 # `6` BLOB_SIDECAR_SUBNET_COUNT: 6 # Whisk # `Epoch(2**8)` WHISK_EPOCHS_PER_SHUFFLING_PHASE: 256 # `Epoch(2)` WHISK_PROPOSER_SELECTION_GAP: 2