# Minimal config # Extends the minimal preset PRESET_BASE: 'minimal' # 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: 'minimal' # Transition # --------------------------------------------------------------- # 2**256-2**10 for testing minimal network TERMINAL_TOTAL_DIFFICULTY: 115792089237316195423570985008687907853269984665640564039457584007913129638912 # By default, don't use these params TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000 TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615 # Genesis # --------------------------------------------------------------- # [customized] MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 64 # Jan 3, 2020 MIN_GENESIS_TIME: 1578009600 # Highest byte set to 0x01 to avoid collisions with mainnet versioning GENESIS_FORK_VERSION: 0x00000001 # [customized] Faster to spin up testnets, but does not give validator reasonable warning time for genesis GENESIS_DELAY: 300 # Forking # --------------------------------------------------------------- # Values provided for illustrative purposes. # Individual tests/testnets may set different values. # Altair ALTAIR_FORK_VERSION: 0x01000001 ALTAIR_FORK_EPOCH: 18446744073709551615 # Bellatrix BELLATRIX_FORK_VERSION: 0x02000001 BELLATRIX_FORK_EPOCH: 18446744073709551615 # Capella CAPELLA_FORK_VERSION: 0x03000001 CAPELLA_FORK_EPOCH: 18446744073709551615 # DENEB DENEB_FORK_VERSION: 0x04000001 DENEB_FORK_EPOCH: 18446744073709551615 # EIP6110 EIP6110_FORK_VERSION: 0x05000001 EIP6110_FORK_EPOCH: 18446744073709551615 # 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 # Fork choice # --------------------------------------------------------------- # 40% PROPOSER_SCORE_BOOST: 40 # Deposit contract # --------------------------------------------------------------- # Ethereum Goerli testnet DEPOSIT_CHAIN_ID: 5 DEPOSIT_NETWORK_ID: 5 # Configured on a per testnet basis DEPOSIT_CONTRACT_ADDRESS: 0x1234567890123456789012345678901234567890 # Networking # --------------------------------------------------------------- # `2**20` (= 1048576, 1 MiB) GOSSIP_MAX_SIZE: 1048576 # `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 # `2**20` (=1048576, 1 MiB) MAX_CHUNK_SIZE: 1048576 # 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