146 lines
4.9 KiB
Nim
146 lines
4.9 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2020 Status Research & Development GmbH
|
|
# Licensed and distributed under either of
|
|
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
|
|
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
|
|
|
# This file contains constants that are part of the spec and thus subject to
|
|
# serialization and spec updates.
|
|
|
|
import
|
|
math
|
|
|
|
{.experimental: "codeReordering".} # SLOTS_PER_EPOCH is use before being defined in spec
|
|
|
|
const
|
|
# Misc
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L4
|
|
CONFIG_NAME* = "minimal"
|
|
|
|
# Changed
|
|
MAX_COMMITTEES_PER_SLOT*: uint64 = 4
|
|
TARGET_COMMITTEE_SIZE*: uint64 = 4
|
|
|
|
# Unchanged
|
|
MAX_VALIDATORS_PER_COMMITTEE*: uint64 = 2048
|
|
MIN_PER_EPOCH_CHURN_LIMIT*: uint64 = 4
|
|
CHURN_LIMIT_QUOTIENT*: uint64 = 2'u64 ^ 16
|
|
|
|
# Changed
|
|
SHUFFLE_ROUND_COUNT*: uint64 = 10
|
|
|
|
# Unchanged
|
|
HYSTERESIS_QUOTIENT*: uint64 = 4
|
|
HYSTERESIS_DOWNWARD_MULTIPLIER*: uint64 = 1
|
|
HYSTERESIS_UPWARD_MULTIPLIER*: uint64 = 5
|
|
|
|
# Gwei values
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L61
|
|
|
|
# Changed
|
|
ETH1_FOLLOW_DISTANCE* {.intdefine.}: uint64 = 16 # blocks
|
|
|
|
# Unchanged
|
|
MIN_DEPOSIT_AMOUNT*: uint64 = 2'u64^0 * 10'u64^9
|
|
MAX_EFFECTIVE_BALANCE*: uint64 = 2'u64^5 * 10'u64^9
|
|
EJECTION_BALANCE*: uint64 = 2'u64^4 * 10'u64^9
|
|
EFFECTIVE_BALANCE_INCREMENT*: uint64 = 2'u64^0 * 10'u64^9
|
|
|
|
# Initial values
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L73
|
|
|
|
BLS_WITHDRAWAL_PREFIX*: byte = 0
|
|
|
|
# Time parameters
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L80
|
|
# Changed: Faster to spin up testnets, but does not give validator
|
|
# reasonable warning time for genesis
|
|
|
|
# Unchanged
|
|
SECONDS_PER_SLOT*{.intdefine.}: uint64 = 6
|
|
|
|
# Unchanged
|
|
MIN_ATTESTATION_INCLUSION_DELAY*: uint64 = 1
|
|
|
|
# Changed
|
|
SLOTS_PER_EPOCH* {.intdefine.}: uint64 = 8
|
|
|
|
# Unchanged
|
|
MIN_SEED_LOOKAHEAD*: uint64 = 1
|
|
MAX_SEED_LOOKAHEAD*: uint64 = 4
|
|
|
|
# Changed
|
|
EPOCHS_PER_ETH1_VOTING_PERIOD*: uint64 = 4
|
|
SLOTS_PER_HISTORICAL_ROOT*: uint64 = 64
|
|
|
|
# Unchanged
|
|
MIN_VALIDATOR_WITHDRAWABILITY_DELAY*: uint64 = 2'u64^8
|
|
|
|
SHARD_COMMITTEE_PERIOD*: uint64 = 64 # epochs
|
|
|
|
# Changed
|
|
MIN_EPOCHS_TO_INACTIVITY_PENALTY*: uint64 = 2'u64^2
|
|
|
|
# State vector lengths
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L108
|
|
|
|
# Changed
|
|
EPOCHS_PER_HISTORICAL_VECTOR*: uint64 = 64
|
|
EPOCHS_PER_SLASHINGS_VECTOR*: uint64 = 64
|
|
|
|
# Unchanged
|
|
HISTORICAL_ROOTS_LIMIT*: uint64 = 16777216
|
|
VALIDATOR_REGISTRY_LIMIT*: uint64 = 1099511627776'u64
|
|
|
|
# Reward and penalty quotients
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L120
|
|
|
|
BASE_REWARD_FACTOR*: uint64 = 2'u64^6
|
|
WHISTLEBLOWER_REWARD_QUOTIENT*: uint64 = 2'u64^9
|
|
PROPOSER_REWARD_QUOTIENT*: uint64 = 2'u64^3
|
|
INACTIVITY_PENALTY_QUOTIENT*: uint64 = 2'u64^25
|
|
MIN_SLASHING_PENALTY_QUOTIENT*: uint64 = 64 # 2^5
|
|
PROPORTIONAL_SLASHING_MULTIPLIER*: uint64 = 2
|
|
|
|
# Max operations per block
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L134
|
|
|
|
MAX_PROPOSER_SLASHINGS*: uint64 = 2'u64 ^ 4
|
|
MAX_ATTESTER_SLASHINGS*: uint64 = 2'u64 ^ 1
|
|
MAX_ATTESTATIONS*: uint64 = 2'u64 ^ 7
|
|
MAX_DEPOSITS*: uint64 = 2'u64 ^ 4
|
|
MAX_VOLUNTARY_EXITS*: uint64 = 2'u64 ^ 4
|
|
|
|
# Deposit contract
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L52
|
|
|
|
# Ethereum Goerli testnet
|
|
DEPOSIT_CHAIN_ID* = 5
|
|
DEPOSIT_NETWORK_ID* = 5
|
|
|
|
# Fork choice
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L32
|
|
|
|
# Changed
|
|
SAFE_SLOTS_TO_UPDATE_JUSTIFIED*: uint64 = 2
|
|
|
|
# Validators
|
|
# ---------------------------------------------------------------
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.3/configs/minimal/phase0.yaml#L38
|
|
|
|
# Unchanged
|
|
TARGET_AGGREGATORS_PER_COMMITTEE*: uint64 = 16 # validators
|
|
RANDOM_SUBNETS_PER_VALIDATOR*: uint64 = 1 # subnet
|
|
EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION*: uint64 = 256 # epochs ~ 27 hours
|
|
SECONDS_PER_ETH1_BLOCK* {.intdefine.}: uint64 = 14 # estimate from Eth1 mainnet)
|