def config(
shard_count, target_committee_size, max_balance_churn_quotient,
max_indices_per_slashable_vote, max_exit_dequeues_per_epoch,
shuffle_round_count, slots_per_historical_root,
deposit_contract_address, deposit_contract_tree_depth,
min_deposit_amount, max_deposit_amount, fork_choice_balance_increment,
ejection_balance, genesis_fork_version, genesis_slot, genesis_epoch,
genesis_start_shard, bls_withdrawal_prefix_byte, seconds_per_slot,
min_attestation_inclusion_delay, slots_per_epoch, min_seed_lookahead,
activation_exit_delay, epochs_per_eth1_voting_period,
min_validator_withdrawability_delay, persistent_committee_period,
latest_active_index_roots_length, latest_randao_mixes_length,
latest_slashed_exit_length, base_reward_quotient,
whistleblower_reward_quotient, attestation_inclusion_reward_quotient,
inactivity_penalty_quotient, min_penalty_quotient,
max_proposer_slashings, max_attester_slashings, max_attestations,
max_deposits, max_voluntary_exits, max_transfers):
return Eth2Config(
SHARD_COUNT=shard_count,
TARGET_COMMITTEE_SIZE=target_committee_size,
MAX_BALANCE_CHURN_QUOTIENT=max_balance_churn_quotient,
MAX_INDICES_PER_SLASHABLE_VOTE=max_indices_per_slashable_vote,
MAX_EXIT_DEQUEUES_PER_EPOCH=max_exit_dequeues_per_epoch,
SHUFFLE_ROUND_COUNT=shuffle_round_count,
SLOTS_PER_HISTORICAL_ROOT=slots_per_historical_root,
DEPOSIT_CONTRACT_ADDRESS=deposit_contract_address,
DEPOSIT_CONTRACT_TREE_DEPTH=deposit_contract_tree_depth,
MIN_DEPOSIT_AMOUNT=min_deposit_amount,
MAX_DEPOSIT_AMOUNT=max_deposit_amount,
FORK_CHOICE_BALANCE_INCREMENT=fork_choice_balance_increment,
EJECTION_BALANCE=ejection_balance,
GENESIS_FORK_VERSION=genesis_fork_version,
GENESIS_SLOT=genesis_slot,
GENESIS_EPOCH=genesis_epoch,
GENESIS_START_SHARD=genesis_start_shard,
BLS_WITHDRAWAL_PREFIX_BYTE=bls_withdrawal_prefix_byte,
SECONDS_PER_SLOT=seconds_per_slot,
MIN_ATTESTATION_INCLUSION_DELAY=min_attestation_inclusion_delay,
SLOTS_PER_EPOCH=slots_per_epoch,
MIN_SEED_LOOKAHEAD=min_seed_lookahead,
ACTIVATION_EXIT_DELAY=activation_exit_delay,
EPOCHS_PER_ETH1_VOTING_PERIOD=epochs_per_eth1_voting_period,
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=min_validator_withdrawability_delay,
PERSISTENT_COMMITTEE_PERIOD=persistent_committee_period,
LATEST_ACTIVE_INDEX_ROOTS_LENGTH=latest_active_index_roots_length,
LATEST_RANDAO_MIXES_LENGTH=latest_randao_mixes_length,
LATEST_SLASHED_EXIT_LENGTH=latest_slashed_exit_length,
BASE_REWARD_QUOTIENT=base_reward_quotient,
WHISTLEBLOWER_REWARD_QUOTIENT=whistleblower_reward_quotient,
ATTESTATION_INCLUSION_REWARD_QUOTIENT=
attestation_inclusion_reward_quotient,
INACTIVITY_PENALTY_QUOTIENT=inactivity_penalty_quotient,
MIN_PENALTY_QUOTIENT=min_penalty_quotient,
MAX_PROPOSER_SLASHINGS=max_proposer_slashings,
MAX_ATTESTER_SLASHINGS=max_attester_slashings,
MAX_ATTESTATIONS=max_attestations,
MAX_DEPOSITS=max_deposits,
MAX_VOLUNTARY_EXITS=max_voluntary_exits,
MAX_TRANSFERS=max_transfers,
)
def generate_config_by_dict(dict_config):
dict_config['DEPOSIT_CONTRACT_ADDRESS'] = b'\x00' * 20
for key in list(dict_config):
if 'DOMAIN_' in key:
# DOMAIN is defined in SignatureDomain
dict_config.pop(key, None)
return Eth2Config(**dict_config)
def generate_config_by_dict(dict_config: Dict[str, Any]) -> Eth2Config:
filtered_keys = (
"DOMAIN_",
"ETH1_FOLLOW_DISTANCE",
"TARGET_AGGREGATORS_PER_COMMITTEE",
"RANDOM_SUBNETS_PER_VALIDATOR",
"EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION",
# Phase 1
"MAX_EPOCHS_PER_CROSSLINK",
"EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS",
"EPOCHS_PER_CUSTODY_PERIOD",
"CUSTODY_PERIOD_TO_RANDAO_PADDING",
"SHARD_SLOTS_PER_BEACON_SLOT",
"EPOCHS_PER_SHARD_PERIOD",
"PHASE_1_FORK_EPOCH",
"PHASE_1_FORK_SLOT",
)
return Eth2Config(**assoc(
keyfilter(lambda name: all(key not in name for key in filtered_keys),
dict_config),
"GENESIS_EPOCH",
compute_epoch_at_slot(dict_config["GENESIS_SLOT"],
dict_config["SLOTS_PER_EPOCH"]),
))
def config(shard_count, target_committee_size, max_indices_per_attestation,
min_per_epoch_churn_limit, churn_limit_quotient,
shuffle_round_count, min_deposit_amount, max_effective_balance,
ejection_balance, effective_balance_increment, genesis_slot,
genesis_epoch, bls_withdrawal_prefix, seconds_per_slot,
min_attestation_inclusion_delay, slots_per_epoch,
min_seed_lookahead, activation_exit_delay,
slots_per_eth1_voting_period, slots_per_historical_root,
min_validator_withdrawability_delay, persistent_committee_period,
max_epochs_per_crosslink, min_epochs_to_inactivity_penalty,
epochs_per_historical_vector, epochs_per_slashed_balances_vector,
base_reward_factor, whistleblowing_reward_quotient,
proposer_reward_quotient, inactivity_penalty_quotient,
min_slashing_penalty_quotient, max_proposer_slashings,
max_attester_slashings, max_attestations, max_deposits,
max_voluntary_exits, max_transfers, genesis_active_validator_count):
# adding some config validity conditions here
# abstract out into the config object?
assert shard_count >= slots_per_epoch
return Eth2Config(
SHARD_COUNT=shard_count,
TARGET_COMMITTEE_SIZE=target_committee_size,
MAX_INDICES_PER_ATTESTATION=max_indices_per_attestation,
MIN_PER_EPOCH_CHURN_LIMIT=min_per_epoch_churn_limit,
CHURN_LIMIT_QUOTIENT=churn_limit_quotient,
SHUFFLE_ROUND_COUNT=shuffle_round_count,
MIN_DEPOSIT_AMOUNT=min_deposit_amount,
MAX_EFFECTIVE_BALANCE=max_effective_balance,
EJECTION_BALANCE=ejection_balance,
EFFECTIVE_BALANCE_INCREMENT=effective_balance_increment,
GENESIS_SLOT=genesis_slot,
GENESIS_EPOCH=genesis_epoch,
BLS_WITHDRAWAL_PREFIX=bls_withdrawal_prefix,
SECONDS_PER_SLOT=seconds_per_slot,
MIN_ATTESTATION_INCLUSION_DELAY=min_attestation_inclusion_delay,
SLOTS_PER_EPOCH=slots_per_epoch,
MIN_SEED_LOOKAHEAD=min_seed_lookahead,
ACTIVATION_EXIT_DELAY=activation_exit_delay,
SLOTS_PER_ETH1_VOTING_PERIOD=slots_per_eth1_voting_period,
SLOTS_PER_HISTORICAL_ROOT=slots_per_historical_root,
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=min_validator_withdrawability_delay,
PERSISTENT_COMMITTEE_PERIOD=persistent_committee_period,
MAX_EPOCHS_PER_CROSSLINK=max_epochs_per_crosslink,
MIN_EPOCHS_TO_INACTIVITY_PENALTY=min_epochs_to_inactivity_penalty,
EPOCHS_PER_HISTORICAL_VECTOR=epochs_per_historical_vector,
EPOCHS_PER_SLASHED_BALANCES_VECTOR=epochs_per_slashed_balances_vector,
BASE_REWARD_FACTOR=base_reward_factor,
WHISTLEBLOWING_REWARD_QUOTIENT=whistleblowing_reward_quotient,
PROPOSER_REWARD_QUOTIENT=proposer_reward_quotient,
INACTIVITY_PENALTY_QUOTIENT=inactivity_penalty_quotient,
MIN_SLASHING_PENALTY_QUOTIENT=min_slashing_penalty_quotient,
MAX_PROPOSER_SLASHINGS=max_proposer_slashings,
MAX_ATTESTER_SLASHINGS=max_attester_slashings,
MAX_ATTESTATIONS=max_attestations,
MAX_DEPOSITS=max_deposits,
MAX_VOLUNTARY_EXITS=max_voluntary_exits,
MAX_TRANSFERS=max_transfers,
GENESIS_ACTIVE_VALIDATOR_COUNT=genesis_active_validator_count,
)
def from_genesis_config(cls, config_profile: str) -> 'BeaconChainConfig':
"""
Construct an instance of ``cls`` reading the genesis configuration
data under the local data directory.
"""
if config_profile == "mainnet":
beacon_chain_class = BeaconChain
else:
beacon_chain_class = SkeletonLakeChain
try:
with open(_get_eth2_genesis_config_file_path(
config_profile)) as config_file:
genesis_config = json.load(config_file)
except FileNotFoundError as e:
raise Exception("unable to load genesis config: %s", e)
eth2_config = Eth2Config.from_formatted_dict(
genesis_config["eth2_config"])
# NOTE: have to ``override_lengths`` before we can parse the ``BeaconState``
override_lengths(eth2_config)
genesis_state = from_formatted_dict(genesis_config["genesis_state"],
BeaconState)
genesis_validator_key_map = load_genesis_key_map(
genesis_config["genesis_validator_key_pairs"])
return cls(genesis_state,
eth2_config,
genesis_validator_key_map,
beacon_chain_class=beacon_chain_class)
def _update_config_if_needed(cls, config: Eth2Config) -> Eth2Config:
"""
Some ad-hoc work arounds...
- Increase the count of allowed Transfer operations, even though we start with 0.
"""
if cls.name == "transfer":
return config._replace(MAX_TRANSFERS=1)
return config
def generate_config_by_dict(dict_config: Dict[str, Any]) -> Eth2Config:
filtered_keys = ("DOMAIN_",
"EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS")
return Eth2Config(**assoc(
keyfilter(lambda name: all(key not in name for key in filtered_keys),
dict_config),
"GENESIS_EPOCH",
compute_epoch_of_slot(dict_config["GENESIS_SLOT"],
dict_config["SLOTS_PER_EPOCH"]),
))
def _create_genesis_config(
config_profile: Literal["minimal", "mainnet"],
eth2_config: Eth2Config,
genesis_state: BeaconState,
key_pairs: Iterable[Dict[str, str]],
) -> Dict[str, Any]:
return {
"profile": config_profile,
"eth2_config": eth2_config.to_formatted_dict(),
"genesis_state_root": encode_hex(genesis_state.hash_tree_root),
"genesis_validator_key_pairs": key_pairs,
"genesis_state": to_formatted_dict(genesis_state),
}
def generate_config_by_dict(dict_config: Dict[str, Any]) -> Eth2Config:
filtered_keys = (
"DOMAIN_",
"ETH1_FOLLOW_DISTANCE",
"TARGET_AGGREGATORS_PER_COMMITTEE",
"RANDOM_SUBNETS_PER_VALIDATOR",
"EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION",
# Phase 1
"MAX_EPOCHS_PER_CROSSLINK",
"EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS",
"EPOCHS_PER_CUSTODY_PERIOD",
"CUSTODY_PERIOD_TO_RANDAO_PADDING",
"SHARD_SLOTS_PER_BEACON_SLOT",
"EPOCHS_PER_SHARD_PERIOD",
"PHASE_1_FORK_EPOCH",
"PHASE_1_GENESIS_SLOT",
"PHASE_1_FORK_SLOT",
"PHASE_1_FORK_VERSION",
"SECONDS_PER_ETH1_BLOCK",
"INITIAL_ACTIVE_SHARDS",
"MAX_SHARDS",
"ONLINE_SHARDS",
"ONLINE_PERIOD",
"LIGHT_CLIENT_COMMITTEE_SIZE",
"LIGHT_CLIENT_COMMITTEE_PERIOD",
"SHARD_BLOCK_CHUNK_SIZE",
"MAX_SHARD_BLOCK_CHUNKS",
"TARGET_SHARD_BLOCK_SIZE",
"SHARD_BLOCK_OFFSETS",
"MAX_SHARD_BLOCKS_PER_ATTESTATION",
"MAX_GASPRICE",
"MIN_GASPRICE",
"GASPRICE_ADJUSTMENT_COEFFICIENT",
"RANDAO_PENALTY_EPOCH",
"RANDAO_PENALTY_EPOCHS",
"MAX_REVEAL_LATENESS_DECREMENT",
"MAX_CUSTODY_KEY_REVEALS",
"MAX_EARLY_DERIVED_SECRET_REVEALS",
"MAX_CUSTODY_SLASHINGS",
"EARLY_DERIVED_SECRET_REVEAL_SLOT_REWARD_MULTIPLE",
"EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS",
"EPOCHS_PER_CUSTODY_PERIOD",
"CUSTODY_PERIOD_TO_RANDAO_PADDING",
"MINOR_REWARD_QUOTIENT",
)
return Eth2Config(
**keyfilter(lambda name: all(key not in name for key in filtered_keys),
dict_config))
def generate_config_by_dict(dict_config: Dict[str, Any]) -> Eth2Config:
config_without_domains = keyfilter(lambda name: "DOMAIN_" not in name,
dict_config)
config_without_phase_1 = keyfilter(
lambda name: "EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS" not in
name,
config_without_domains,
)
return Eth2Config(**assoc(
config_without_phase_1, "GENESIS_EPOCH",
compute_epoch_of_slot(
dict_config['GENESIS_SLOT'],
dict_config['SLOTS_PER_EPOCH'],
)))
def main_validator() -> None:
logger = _setup_logging()
parser = parse_cli_args()
arguments = parser.parse_args()
trinity_config = load_trinity_config_from_parser_args(
parser, arguments, APP_IDENTIFIER_VALIDATOR_CLIENT, (ValidatorClientAppConfig,)
)
# NOTE: we do not want the rest of the functionality in
# ``trinity.bootstrap.ensure_data_dir_is_initialized
create_dir_if_missing(trinity_config.data_dir)
validator_client_app_config = trinity_config.get_app_config(
ValidatorClientAppConfig
)
root_dir = validator_client_app_config.root_dir
create_dir_if_missing(root_dir)
try:
genesis_config = _load_genesis_config_at(
validator_client_app_config.genesis_config_path
)
except FileNotFoundError:
genesis_time = Timestamp(int(time.time()))
genesis_config = generate_genesis_config("minimal", genesis_time)
eth2_config = Eth2Config.from_formatted_dict(genesis_config["eth2_config"])
override_lengths(eth2_config)
key_pairs = load_genesis_key_map(genesis_config["genesis_validator_key_pairs"])
genesis_state = from_formatted_dict(genesis_config["genesis_state"], BeaconState)
slots_per_epoch = Slot(eth2_config.SLOTS_PER_EPOCH)
seconds_per_slot = eth2_config.SECONDS_PER_SLOT
genesis_time = genesis_state.genesis_time
config = Config(
key_pairs=key_pairs,
root_data_dir=root_dir,
slots_per_epoch=slots_per_epoch,
seconds_per_slot=seconds_per_slot,
genesis_time=genesis_time,
)
# NOTE: we deviate from the multiprocess-driven Component-based
# application machinery here until said machinery is more stable
# with respect to boot, shutdown and general concurrent control.
trio.run(arguments.func, logger, config, arguments)
def from_genesis_config(cls) -> 'BeaconChainConfig':
"""
Construct an instance of ``cls`` reading the genesis configuration
data under the local data directory.
"""
try:
with open(_get_eth2_genesis_config_file_path()) as config_file:
genesis_config = json.load(config_file)
except FileNotFoundError:
genesis_config = generate_genesis_config("minimal")
eth2_config = Eth2Config.from_formatted_dict(genesis_config["eth2_config"])
# NOTE: have to ``override_lengths`` before we can parse the ``BeaconState``
override_lengths(eth2_config)
genesis_state = from_formatted_dict(genesis_config["genesis_state"], BeaconState)
genesis_validator_key_map = load_genesis_key_map(
genesis_config["genesis_validator_key_pairs"]
)
return cls(genesis_state, eth2_config, genesis_validator_key_map)
def generate_config_by_dict(dict_config: Dict[str, Any]) -> Eth2Config:
filtered_keys = (
"DOMAIN_",
# TODO: Fork choice rule
"SAFE_SLOTS_TO_UPDATE_JUSTIFIED",
# Phase 1
"MAX_EPOCHS_PER_CROSSLINK",
"EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS",
"EPOCHS_PER_CUSTODY_PERIOD",
"CUSTODY_PERIOD_TO_RANDAO_PADDING",
"SHARD_SLOTS_PER_BEACON_SLOT",
"EPOCHS_PER_SHARD_PERIOD",
"PHASE_1_FORK_EPOCH",
"PHASE_1_FORK_SLOT",
)
return Eth2Config(**assoc(
keyfilter(lambda name: all(key not in name for key in filtered_keys),
dict_config),
"GENESIS_EPOCH",
compute_epoch_at_slot(dict_config["GENESIS_SLOT"],
dict_config["SLOTS_PER_EPOCH"]),
))
SERENITY_CONFIG = Eth2Config(
# Misc
SHARD_COUNT=2**10, # (= 1,024) shards
TARGET_COMMITTEE_SIZE=2**7, # (= 128) validators
MAX_BALANCE_CHURN_QUOTIENT=2**5, # (= 32)
MAX_INDICES_PER_SLASHABLE_VOTE=2**12, # (= 4,096) votes
MAX_EXIT_DEQUEUES_PER_EPOCH=2**2, # (= 4)
SHUFFLE_ROUND_COUNT=90,
# Deposit contract
DEPOSIT_CONTRACT_ADDRESS=ZERO_ADDRESS, # TBD
DEPOSIT_CONTRACT_TREE_DEPTH=2**5, # (= 32)
# Gwei values
MIN_DEPOSIT_AMOUNT=Gwei(2**0 * GWEI_PER_ETH), # (= 1,000,000,000) Gwei
MAX_DEPOSIT_AMOUNT=Gwei(2**5 * GWEI_PER_ETH), # (= 32,000,000,00) Gwei
FORK_CHOICE_BALANCE_INCREMENT=Gwei(2**0 *
GWEI_PER_ETH), # (= 1,000,000,000) Gwei
EJECTION_BALANCE=Gwei(2**4 * GWEI_PER_ETH), # (= 16,000,000,000) Gwei
# Initial values
GENESIS_FORK_VERSION=0,
GENESIS_SLOT=GENESIS_SLOT,
GENESIS_EPOCH=slot_to_epoch(GENESIS_SLOT, SLOTS_PER_EPOCH),
GENESIS_START_SHARD=Shard(0),
BLS_WITHDRAWAL_PREFIX_BYTE=b'\x00',
# Time parameters
SECONDS_PER_SLOT=Second(6), # seconds
MIN_ATTESTATION_INCLUSION_DELAY=2**2, # (= 4) slots
SLOTS_PER_EPOCH=SLOTS_PER_EPOCH, # (= 64) slots
MIN_SEED_LOOKAHEAD=2**0, # (= 1) epochs
ACTIVATION_EXIT_DELAY=2**2, # (= 4) epochs
EPOCHS_PER_ETH1_VOTING_PERIOD=2**4, # (= 16) epochs
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=2**8, # (= 256) epochs
PERSISTENT_COMMITTEE_PERIOD=2**11, # (= 2,048) epochs
# State list lengths
SLOTS_PER_HISTORICAL_ROOT=2**13, # (= 8,192) slots
LATEST_ACTIVE_INDEX_ROOTS_LENGTH=2**13, # (= 8,192) epochs
LATEST_RANDAO_MIXES_LENGTH=2**13, # (= 8,192) epochs
LATEST_SLASHED_EXIT_LENGTH=2**13, # (= 8,192) epochs
# Reward and penalty quotients
BASE_REWARD_QUOTIENT=2**10, # (= 1,024)
WHISTLEBLOWER_REWARD_QUOTIENT=2**9, # (= 512)
ATTESTATION_INCLUSION_REWARD_QUOTIENT=2**3, # (= 8)
INACTIVITY_PENALTY_QUOTIENT=2**24, # (= 16,777,216)
MIN_PENALTY_QUOTIENT=2**5,
# Max operations per block
MAX_PROPOSER_SLASHINGS=2**4, # (= 16)
MAX_ATTESTER_SLASHINGS=2**0, # (= 1)
MAX_ATTESTATIONS=2**7, # (= 128)
MAX_DEPOSITS=2**4, # (= 16)
MAX_VOLUNTARY_EXITS=2**4, # (= 16)
MAX_TRANSFERS=2**4, # (= 16)
)
def config(
max_committees_per_slot,
target_committee_size,
max_validators_per_committee,
min_per_epoch_churn_limit,
churn_limit_quotient,
shuffle_round_count,
min_genesis_active_validator_count,
min_genesis_time,
min_deposit_amount,
max_effective_balance,
ejection_balance,
effective_balance_increment,
genesis_slot,
genesis_epoch,
bls_withdrawal_prefix,
seconds_per_slot,
min_attestation_inclusion_delay,
slots_per_epoch,
min_seed_lookahead,
max_seed_lookahead,
slots_per_eth1_voting_period,
slots_per_historical_root,
min_validator_withdrawability_delay,
persistent_committee_period,
min_epochs_to_inactivity_penalty,
epochs_per_historical_vector,
epochs_per_slashings_vector,
historical_roots_limit,
validator_registry_limit,
base_reward_factor,
whistleblower_reward_quotient,
proposer_reward_quotient,
inactivity_penalty_quotient,
min_slashing_penalty_quotient,
max_proposer_slashings,
max_attester_slashings,
max_attestations,
max_deposits,
max_voluntary_exits,
safe_slots_to_update_justified,
deposit_contract_address,
):
return Eth2Config(
MAX_COMMITTEES_PER_SLOT=max_committees_per_slot,
TARGET_COMMITTEE_SIZE=target_committee_size,
MAX_VALIDATORS_PER_COMMITTEE=max_validators_per_committee,
MIN_PER_EPOCH_CHURN_LIMIT=min_per_epoch_churn_limit,
CHURN_LIMIT_QUOTIENT=churn_limit_quotient,
SHUFFLE_ROUND_COUNT=shuffle_round_count,
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT=min_genesis_active_validator_count,
MIN_GENESIS_TIME=min_genesis_time,
MIN_DEPOSIT_AMOUNT=min_deposit_amount,
MAX_EFFECTIVE_BALANCE=max_effective_balance,
EJECTION_BALANCE=ejection_balance,
EFFECTIVE_BALANCE_INCREMENT=effective_balance_increment,
GENESIS_SLOT=genesis_slot,
GENESIS_EPOCH=genesis_epoch,
BLS_WITHDRAWAL_PREFIX=bls_withdrawal_prefix,
SECONDS_PER_SLOT=seconds_per_slot,
MIN_ATTESTATION_INCLUSION_DELAY=min_attestation_inclusion_delay,
SLOTS_PER_EPOCH=slots_per_epoch,
MIN_SEED_LOOKAHEAD=min_seed_lookahead,
MAX_SEED_LOOKAHEAD=max_seed_lookahead,
SLOTS_PER_ETH1_VOTING_PERIOD=slots_per_eth1_voting_period,
SLOTS_PER_HISTORICAL_ROOT=slots_per_historical_root,
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=min_validator_withdrawability_delay,
PERSISTENT_COMMITTEE_PERIOD=persistent_committee_period,
MIN_EPOCHS_TO_INACTIVITY_PENALTY=min_epochs_to_inactivity_penalty,
EPOCHS_PER_HISTORICAL_VECTOR=epochs_per_historical_vector,
EPOCHS_PER_SLASHINGS_VECTOR=epochs_per_slashings_vector,
HISTORICAL_ROOTS_LIMIT=historical_roots_limit,
VALIDATOR_REGISTRY_LIMIT=validator_registry_limit,
BASE_REWARD_FACTOR=base_reward_factor,
WHISTLEBLOWER_REWARD_QUOTIENT=whistleblower_reward_quotient,
PROPOSER_REWARD_QUOTIENT=proposer_reward_quotient,
INACTIVITY_PENALTY_QUOTIENT=inactivity_penalty_quotient,
MIN_SLASHING_PENALTY_QUOTIENT=min_slashing_penalty_quotient,
MAX_PROPOSER_SLASHINGS=max_proposer_slashings,
MAX_ATTESTER_SLASHINGS=max_attester_slashings,
MAX_ATTESTATIONS=max_attestations,
MAX_DEPOSITS=max_deposits,
MAX_VOLUNTARY_EXITS=max_voluntary_exits,
SAFE_SLOTS_TO_UPDATE_JUSTIFIED=safe_slots_to_update_justified,
DEPOSIT_CONTRACT_ADDRESS=deposit_contract_address,
)
MINIMAL_SERENITY_CONFIG = Eth2Config(
# Misc
SHARD_COUNT=8,
TARGET_COMMITTEE_SIZE=4,
MAX_VALIDATORS_PER_COMMITTEE=4096,
MIN_PER_EPOCH_CHURN_LIMIT=4,
CHURN_LIMIT_QUOTIENT=65536,
SHUFFLE_ROUND_COUNT=10,
# Genesis
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT=64,
MIN_GENESIS_TIME=1578009600, # (= Jan 3, 2020)
# Gwei values
MIN_DEPOSIT_AMOUNT=Gwei(2 ** 0 * GWEI_PER_ETH), # (= 1,000,000,000) Gwei
MAX_EFFECTIVE_BALANCE=Gwei(2 ** 5 * GWEI_PER_ETH), # (= 32,000,000,00) Gwei
EJECTION_BALANCE=Gwei(2 ** 4 * GWEI_PER_ETH), # (= 16,000,000,000) Gwei
EFFECTIVE_BALANCE_INCREMENT=Gwei(2 ** 0 * GWEI_PER_ETH), # (= 1,000,000,000) Gwei
# Initial values
GENESIS_SLOT=Slot(0),
GENESIS_EPOCH=Epoch(0),
BLS_WITHDRAWAL_PREFIX=0,
# Time parameters
SECONDS_PER_SLOT=Second(6), # seconds
MIN_ATTESTATION_INCLUSION_DELAY=2 ** 0, # (= 1) slots
SLOTS_PER_EPOCH=8,
MIN_SEED_LOOKAHEAD=2 ** 0, # (= 1) epochs
ACTIVATION_EXIT_DELAY=2 ** 2, # (= 4) epochs
SLOTS_PER_ETH1_VOTING_PERIOD=16,
SLOTS_PER_HISTORICAL_ROOT=64,
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=256,
PERSISTENT_COMMITTEE_PERIOD=2 ** 11, # (= 2,048) epochs
MAX_EPOCHS_PER_CROSSLINK=4,
MIN_EPOCHS_TO_INACTIVITY_PENALTY=4,
# State list lengths
EPOCHS_PER_HISTORICAL_VECTOR=64,
EPOCHS_PER_SLASHINGS_VECTOR=64,
HISTORICAL_ROOTS_LIMIT=2 ** 24,
VALIDATOR_REGISTRY_LIMIT=2 ** 40,
# Reward and penalty quotients
BASE_REWARD_FACTOR=2 ** 6, # (= 64)
WHISTLEBLOWER_REWARD_QUOTIENT=2 ** 9, # (= 512)
PROPOSER_REWARD_QUOTIENT=2 ** 3,
INACTIVITY_PENALTY_QUOTIENT=2 ** 25, # (= 33,554,432)
MIN_SLASHING_PENALTY_QUOTIENT=2 ** 5,
# Max operations per block
MAX_PROPOSER_SLASHINGS=2 ** 4, # (= 16)
MAX_ATTESTER_SLASHINGS=2 ** 0, # (= 1)
MAX_ATTESTATIONS=2 ** 7, # (= 128)
MAX_DEPOSITS=2 ** 4, # (= 16)
MAX_VOLUNTARY_EXITS=2 ** 4, # (= 16)
MAX_TRANSFERS=0,
# Deposit contract
DEPOSIT_CONTRACT_ADDRESS=decode_hex(
"0x1234567890123456789012345678901234567890"
), # TBD
)
def generate_config_by_dict(dict_config):
for key in list(dict_config):
if 'DOMAIN_' in key:
# DOMAIN is defined in SignatureDomain
dict_config.pop(key, None)
return Eth2Config(**dict_config)
SERENITY_CONFIG = Eth2Config(
# Misc
MAX_COMMITTEES_PER_SLOT=2**6, # (= 64) committees
TARGET_COMMITTEE_SIZE=2**7, # (= 128) validators
MAX_VALIDATORS_PER_COMMITTEE=2**11, # (= 2,048) validators
MIN_PER_EPOCH_CHURN_LIMIT=2**2,
CHURN_LIMIT_QUOTIENT=2**16,
SHUFFLE_ROUND_COUNT=90,
HYSTERESIS_QUOTIENT=4,
HYSTERESIS_DOWNWARD_MULTIPLIER=1,
HYSTERESIS_UPWARD_MULTIPLIER=5,
# Genesis
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT=2**14,
MIN_GENESIS_TIME=1578009600, # (= Jan 3, 2020)
# Gwei values
MIN_DEPOSIT_AMOUNT=Gwei(2**0 * GWEI_PER_ETH), # (= 1,000,000,000) Gwei
MAX_EFFECTIVE_BALANCE=Gwei(2**5 * GWEI_PER_ETH), # (= 32,000,000,00) Gwei
EJECTION_BALANCE=Gwei(2**4 * GWEI_PER_ETH), # (= 16,000,000,000) Gwei
EFFECTIVE_BALANCE_INCREMENT=Gwei(2**0 *
GWEI_PER_ETH), # (= 1,000,000,000) Gwei
# Initial values
GENESIS_FORK_VERSION=Version(b"\x00" * 4),
BLS_WITHDRAWAL_PREFIX=b"\x00",
# Time parameters
GENESIS_DELAY=Second(172800),
SECONDS_PER_SLOT=Second(12), # seconds
MIN_ATTESTATION_INCLUSION_DELAY=2**0, # (= 1) slots
SLOTS_PER_EPOCH=2**5, # (= 32) slots
MIN_SEED_LOOKAHEAD=2**0, # (= 1) epochs
MAX_SEED_LOOKAHEAD=2**2, # (= 4) epochs
SLOTS_PER_HISTORICAL_ROOT=2**13, # (= 8,192) slots
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=2**8, # (= 256) epochs
SHARD_COMMITTEE_PERIOD=2**8, # (= 256) epochs
MIN_EPOCHS_TO_INACTIVITY_PENALTY=2**2,
# State list lengths
EPOCHS_PER_ETH1_VOTING_PERIOD=32,
EPOCHS_PER_HISTORICAL_VECTOR=2**16,
EPOCHS_PER_SLASHINGS_VECTOR=2**13,
HISTORICAL_ROOTS_LIMIT=2**24,
VALIDATOR_REGISTRY_LIMIT=2**40,
# Reward and penalty quotients
BASE_REWARD_FACTOR=2**6, # (= 64)
WHISTLEBLOWER_REWARD_QUOTIENT=2**9, # (= 512)
PROPOSER_REWARD_QUOTIENT=2**3,
INACTIVITY_PENALTY_QUOTIENT=2**24, # (= 16,777,216)
MIN_SLASHING_PENALTY_QUOTIENT=2**5,
# Max operations per block
MAX_PROPOSER_SLASHINGS=2**4, # (= 16)
MAX_ATTESTER_SLASHINGS=2**1, # (= 2)
MAX_ATTESTATIONS=2**7, # (= 128)
MAX_DEPOSITS=2**4, # (= 16)
MAX_VOLUNTARY_EXITS=2**4, # (= 16)
# Fork choice
SAFE_SLOTS_TO_UPDATE_JUSTIFIED=8,
# Deposit contract
DEPOSIT_CONTRACT_ADDRESS=decode_hex(
"0x1234567890123456789012345678901234567890"), # TBD
)
SERENITY_CONFIG = Eth2Config(
# Misc
SHARD_COUNT=2**10, # (= 1,024) shards
TARGET_COMMITTEE_SIZE=2**7, # (= 128) validators
MAX_INDICES_PER_ATTESTATION=2**12, # (= 4,096) votes
MIN_PER_EPOCH_CHURN_LIMIT=2**2,
CHURN_LIMIT_QUOTIENT=2**16,
SHUFFLE_ROUND_COUNT=90,
# Gwei values
MIN_DEPOSIT_AMOUNT=Gwei(2**0 * GWEI_PER_ETH), # (= 1,000,000,000) Gwei
MAX_EFFECTIVE_BALANCE=Gwei(2**5 * GWEI_PER_ETH), # (= 32,000,000,00) Gwei
EJECTION_BALANCE=Gwei(2**4 * GWEI_PER_ETH), # (= 16,000,000,000) Gwei
EFFECTIVE_BALANCE_INCREMENT=Gwei(2**0 *
GWEI_PER_ETH), # (= 1,000,000,000) Gwei
# Initial values
GENESIS_SLOT=Slot(0),
GENESIS_EPOCH=Epoch(0),
BLS_WITHDRAWAL_PREFIX=0,
# Time parameters
SECONDS_PER_SLOT=Second(6), # seconds
MIN_ATTESTATION_INCLUSION_DELAY=2**0, # (= 1) slots
SLOTS_PER_EPOCH=2**6, # (= 64) slots
MIN_SEED_LOOKAHEAD=2**0, # (= 1) epochs
ACTIVATION_EXIT_DELAY=2**2, # (= 4) epochs
SLOTS_PER_ETH1_VOTING_PERIOD=2**10, # (= 16) epochs
SLOTS_PER_HISTORICAL_ROOT=2**13, # (= 8,192) slots
MIN_VALIDATOR_WITHDRAWABILITY_DELAY=2**8, # (= 256) epochs
PERSISTENT_COMMITTEE_PERIOD=2**11, # (= 2,048) epochs
MAX_EPOCHS_PER_CROSSLINK=2**6,
MIN_EPOCHS_TO_INACTIVITY_PENALTY=2**2,
# State list lengths
EPOCHS_PER_HISTORICAL_VECTOR=2**16,
EPOCHS_PER_SLASHED_BALANCES_VECTOR=2**13,
# Reward and penalty quotients
BASE_REWARD_FACTOR=2**6, # (= 64)
WHISTLEBLOWING_REWARD_QUOTIENT=2**9, # (= 512)
PROPOSER_REWARD_QUOTIENT=2**3,
INACTIVITY_PENALTY_QUOTIENT=2**25, # (= 33,554,432)
MIN_SLASHING_PENALTY_QUOTIENT=2**5,
# Max operations per block
MAX_PROPOSER_SLASHINGS=2**4, # (= 16)
MAX_ATTESTER_SLASHINGS=2**0, # (= 1)
MAX_ATTESTATIONS=2**7, # (= 128)
MAX_DEPOSITS=2**4, # (= 16)
MAX_VOLUNTARY_EXITS=2**4, # (= 16)
MAX_TRANSFERS=0,
# Genesis
GENESIS_ACTIVE_VALIDATOR_COUNT=2**16,
)