# Minimal preset - phase 1 # phase1-fork # --------------------------------------------------------------- # [customized] for testnet distinction PHASE_1_FORK_VERSION: 0x01000001 # [customized] for testing PHASE_1_GENESIS_SLOT: 8 # [customized] reduced for testing INITIAL_ACTIVE_SHARDS: 2 # beacon-chain # --------------------------------------------------------------- # Misc # [customized] reduced for testing MAX_SHARDS: 8 # 2**7 (= 128) LIGHT_CLIENT_COMMITTEE_SIZE: 128 # 2**3 (= 8) GASPRICE_ADJUSTMENT_COEFFICIENT: 8 # Shard block configs # 2**20 (= 1048,576) bytes MAX_SHARD_BLOCK_SIZE: 1048576 # 2**18 (= 262,144) bytes TARGET_SHARD_BLOCK_SIZE: 262144 # 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**12 (= 4,096) BYTES_PER_CUSTODY_CHUNK: 4096 # ceillog2(MAX_SHARD_BLOCK_SIZE // BYTES_PER_CUSTODY_CHUNK) CUSTODY_RESPONSE_DEPTH: 8 # Gwei values # 2**14 (= 16,384) Gwei MAX_GASPRICE: 16384 # 2**3 (= 8) Gwei MIN_GASPRICE: 8 # Time parameters # 2**3 (= 8) | online epochs ONLINE_PERIOD: 8 # 2**8 (= 256) | epochs LIGHT_CLIENT_COMMITTEE_PERIOD: 256 # Max operations per block # 2**20 (= 1,048,576) MAX_CUSTODY_CHUNK_CHALLENGE_RECORDS: 1048576 # Domain types DOMAIN_SHARD_PROPOSAL: 0x80000000 DOMAIN_SHARD_COMMITTEE: 0x81000000 DOMAIN_LIGHT_CLIENT: 0x82000000 # custody-game spec DOMAIN_CUSTODY_BIT_SLASHING: 0x83000000 # custody-game # --------------------------------------------------------------- # Time parameters # 2**1 (= 2) epochs RANDAO_PENALTY_EPOCHS: 2 # [customized] quicker for testing EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS: 128 # [customized] quicker for testing EPOCHS_PER_CUSTODY_PERIOD: 64 # [customized] quicker for testing CUSTODY_PERIOD_TO_RANDAO_PADDING: 8 # [customized] quicker for testing CUSTODY_RESPONSE_DEADLINE: 128 # [customize for faster testing] MAX_CHUNK_CHALLENGE_DELAY: 128 # Misc parameters # 2**256 - 189 CUSTODY_PRIME: 115792089237316195423570985008687907853269984665640564039457584007913129639747 # 3 CUSTODY_SECRETS: 3 # 2**5 (= 32) bytes BYTES_PER_CUSTODY_ATOM: 32 # 1/4 chance of custody bit 1 [customized for faster testing] CUSTODY_PROBABILITY_EXPONENT: 2 # Max operations # 2**8 (= 256) MAX_CUSTODY_KEY_REVEALS: 256 # 2**0 (= 1) MAX_EARLY_DERIVED_SECRET_REVEALS: 1 # [customized] MAX_CUSTODY_CHUNK_CHALLENGES: 2 # [customized] MAX_CUSTODY_CHUNK_CHALLENGE_RESP: 8 # 2**0 (= 1) MAX_CUSTODY_SLASHINGS: 1 # Reward and penalty quotients EARLY_DERIVED_SECRET_REVEAL_SLOT_REWARD_MULTIPLE: 2 # 2**8 (= 256) MINOR_REWARD_QUOTIENT: 256