def create_mock_deposit_data(*,
config: Eth2Config,
pubkey: BLSPubkey,
privkey: int,
withdrawal_credentials: Hash32,
amount: Gwei = None) -> DepositData:
if amount is None:
amount = config.MAX_EFFECTIVE_BALANCE
data = DepositData(pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
amount=amount)
signature = sign_proof_of_possession(deposit_data=data, privkey=privkey)
return data.copy(signature=signature)
def create_deposit_data(*,
config: Eth2Config,
pubkey: BLSPubkey,
privkey: int,
withdrawal_credentials: Hash32,
fork: Fork,
deposit_timestamp: Timestamp,
amount: Gwei = None) -> DepositData:
if amount is None:
amount = config.MAX_DEPOSIT_AMOUNT
return DepositData(
deposit_input=DepositInput(
pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
proof_of_possession=sign_proof_of_possession(
deposit_input=DepositInput(
pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
),
privkey=privkey,
fork=fork,
slot=config.GENESIS_SLOT,
slots_per_epoch=config.SLOTS_PER_EPOCH,
),
),
amount=amount,
timestamp=deposit_timestamp,
)
def convert_deposit_log_to_deposit_data(deposit_log: DepositLog) -> DepositData:
return DepositData(
pubkey=deposit_log.pubkey,
withdrawal_credentials=deposit_log.withdrawal_credentials,
amount=deposit_log.amount,
signature=deposit_log.signature,
)
def _process_log(self, log: DepositLog, block_number: BlockNumber) -> None:
"""
Simply store the deposit data from the log, and increase the corresponding block's
`deposit_count`.
"""
self._deposit_data.append(
DepositData(
pubkey=log.pubkey,
withdrawal_credentials=log.withdrawal_credentials,
amount=log.amount,
signature=log.signature,
))
def create_mock_initial_validator_deposits(
num_validators: int,
config: BeaconConfig,
pubkeys: Sequence[BLSPubkey],
keymap: Dict[BLSPubkey, int]) -> Tuple[Deposit, ...]:
# Mock data
withdrawal_credentials = b'\x22' * 32
randao_commitment = b'\x33' * 32
custody_commitment = b'\x44' * 32
deposit_timestamp = 0
fork = Fork(
previous_version=config.GENESIS_FORK_VERSION,
current_version=config.GENESIS_FORK_VERSION,
epoch=config.GENESIS_EPOCH,
)
initial_validator_deposits = tuple(
Deposit(
branch=(
b'\x11' * 32
for j in range(10)
),
index=i,
deposit_data=DepositData(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
proof_of_possession=sign_proof_of_possession(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
),
privkey=keymap[pubkeys[i]],
fork=fork,
slot=config.GENESIS_SLOT,
epoch_length=config.EPOCH_LENGTH,
),
),
amount=config.MAX_DEPOSIT_AMOUNT,
timestamp=deposit_timestamp,
),
)
for i in range(num_validators)
)
return initial_validator_deposits
def _process_logs(self, logs: Sequence[DepositLog],
block_number: BlockNumber) -> None:
"""
Simply store the deposit data from the log, and increase the corresponding block's
`deposit_count`.
"""
seq_deposit_data = tuple(
DepositData(
pubkey=log.pubkey,
withdrawal_credentials=log.withdrawal_credentials,
amount=log.amount,
signature=log.signature,
) for log in logs)
self._db.add_deposit_data_batch(seq_deposit_data, block_number)
def create_deposit_data(
public_key: BLSPubkey,
private_key: int,
withdrawal_credentials: Hash32,
amount: Gwei,
) -> DepositData:
message = DepositMessage.create(
pubkey=public_key, withdrawal_credentials=withdrawal_credentials, amount=amount
)
signature = sign_proof_of_possession(deposit_message=message, privkey=private_key)
return DepositData.create(
pubkey=public_key,
withdrawal_credentials=withdrawal_credentials,
amount=amount,
signature=signature,
)
def create_mock_genesis_validator_deposits(
num_validators: int,
config: BeaconConfig,
pubkeys: Sequence[BLSPubkey],
keymap: Dict[BLSPubkey, int]) -> Tuple[Deposit, ...]:
# Mock data
withdrawal_credentials = Hash32(b'\x22' * 32)
deposit_timestamp = Timestamp(0)
fork = Fork(
previous_version=config.GENESIS_FORK_VERSION,
current_version=config.GENESIS_FORK_VERSION,
epoch=config.GENESIS_EPOCH,
)
genesis_validator_deposits = tuple(
Deposit(
branch=tuple(
Hash32(b'\x11' * 32)
for j in range(10)
),
index=i,
deposit_data=DepositData(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
proof_of_possession=sign_proof_of_possession(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
),
privkey=keymap[pubkeys[i]],
fork=fork,
slot=config.GENESIS_SLOT,
slots_per_epoch=config.SLOTS_PER_EPOCH,
),
),
amount=config.MAX_DEPOSIT_AMOUNT,
timestamp=deposit_timestamp,
),
)
for i in range(num_validators)
)
return genesis_validator_deposits
def deposit(w3, deposit_contract) -> int:
amount = get_random_valid_deposit_amount()
deposit_input = (
SAMPLE_PUBKEY,
SAMPLE_WITHDRAWAL_CREDENTIALS,
SAMPLE_VALID_SIGNATURE,
ssz.get_hash_tree_root(
DepositData(
pubkey=SAMPLE_PUBKEY,
withdrawal_credentials=SAMPLE_WITHDRAWAL_CREDENTIALS,
amount=amount,
signature=SAMPLE_VALID_SIGNATURE,
)),
)
tx_hash = deposit_contract.functions.deposit(*deposit_input).transact(
{"value": amount * eth_utils.denoms.gwei})
tx_receipt = w3.eth.waitForTransactionReceipt(tx_hash)
assert tx_receipt["status"]
return amount
def sample_deposit_params(sample_deposit_data_params):
return {
'branch': (),
'index': 5,
'deposit_data': DepositData(**sample_deposit_data_params)
}
def test_get_genesis_beacon_state(
privkeys, pubkeys, num_validators, genesis_epoch, genesis_slot,
genesis_fork_version, genesis_start_shard, shard_count,
min_seed_lookahead, latest_block_roots_length,
latest_active_index_roots_length, slots_per_epoch, max_deposit_amount,
latest_slashed_exit_length, latest_randao_mixes_length,
activation_exit_delay, sample_eth1_data_params):
withdrawal_credentials = b'\x22' * 32
fork = Fork(
previous_version=genesis_fork_version,
current_version=genesis_fork_version,
epoch=genesis_epoch,
)
validator_count = 5
genesis_validator_deposits = tuple(
Deposit(
branch=(b'\x11' * 32 for j in range(10)),
index=i,
deposit_data=DepositData(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
proof_of_possession=sign_proof_of_possession(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
),
privkey=privkeys[i],
fork=fork,
slot=genesis_slot,
slots_per_epoch=slots_per_epoch,
),
),
amount=max_deposit_amount,
timestamp=0,
),
) for i in range(validator_count))
genesis_time = 10
latest_eth1_data = Eth1Data(**sample_eth1_data_params)
state = get_genesis_beacon_state(
genesis_validator_deposits=genesis_validator_deposits,
genesis_time=genesis_time,
latest_eth1_data=latest_eth1_data,
genesis_epoch=genesis_epoch,
genesis_slot=genesis_slot,
genesis_fork_version=genesis_fork_version,
genesis_start_shard=genesis_start_shard,
shard_count=shard_count,
min_seed_lookahead=min_seed_lookahead,
latest_block_roots_length=latest_block_roots_length,
latest_active_index_roots_length=latest_active_index_roots_length,
slots_per_epoch=slots_per_epoch,
max_deposit_amount=max_deposit_amount,
latest_slashed_exit_length=latest_slashed_exit_length,
latest_randao_mixes_length=latest_randao_mixes_length,
activation_exit_delay=activation_exit_delay,
)
# Misc
assert state.slot == genesis_slot
assert state.genesis_time == genesis_time
assert state.fork.previous_version == genesis_fork_version
assert state.fork.current_version == genesis_fork_version
assert state.fork.epoch == genesis_epoch
# Validator registry
assert len(state.validator_registry) == validator_count
assert len(state.validator_balances) == validator_count
assert state.validator_registry_update_epoch == genesis_epoch
# Randomness and committees
assert len(state.latest_randao_mixes) == latest_randao_mixes_length
assert state.previous_shuffling_start_shard == genesis_start_shard
assert state.current_shuffling_start_shard == genesis_start_shard
assert state.previous_shuffling_epoch == genesis_epoch
assert state.current_shuffling_epoch == genesis_epoch
assert state.previous_shuffling_seed == ZERO_HASH32
# Finality
assert state.previous_justified_epoch == genesis_epoch
assert state.justified_epoch == genesis_epoch
assert state.justification_bitfield == 0
assert state.finalized_epoch == genesis_epoch
# Recent state
assert len(state.latest_crosslinks) == shard_count
assert state.latest_crosslinks[0] == CrosslinkRecord(
epoch=genesis_epoch,
crosslink_data_root=ZERO_HASH32,
)
assert len(state.latest_block_roots) == latest_block_roots_length
assert state.latest_block_roots[0] == ZERO_HASH32
assert len(state.latest_slashed_balances) == latest_slashed_exit_length
assert state.latest_slashed_balances[0] == Gwei(0)
assert len(state.latest_attestations) == 0
assert len(state.batched_block_roots) == 0
# Ethereum 1.0 chain data
assert state.latest_eth1_data == latest_eth1_data
assert len(state.eth1_data_votes) == 0
assert state.deposit_index == len(genesis_validator_deposits)
assert state.validator_registry[0].is_active(genesis_epoch)
def sample_deposit_params(sample_deposit_data_params, deposit_contract_tree_depth):
return {
"proof": (b"\x22" * 32,) * (deposit_contract_tree_depth + 1),
"data": DepositData.create(**sample_deposit_data_params),
}
def test_defaults(sample_deposit_data_params):
deposit_data = DepositData(**sample_deposit_data_params)
assert deposit_data.pubkey == sample_deposit_data_params["pubkey"]
assert deposit_data.amount == sample_deposit_data_params["amount"]
def test_defaults(sample_deposit_data_params):
deposit_data = DepositData(**sample_deposit_data_params)
assert deposit_data.deposit_input.pubkey == sample_deposit_data_params['deposit_input'].pubkey
assert deposit_data.amount == sample_deposit_data_params['amount']
assert deposit_data.timestamp == sample_deposit_data_params['timestamp']
def sample_deposit_params(sample_deposit_data_params):
return {
'merkle_branch': (),
'merkle_tree_index': 5,
'deposit_data': DepositData(**sample_deposit_data_params)
}
def sample_deposit_params(sample_deposit_data_params,
deposit_contract_tree_depth):
return {
'proof': (b'\x22' * 32, ) * (deposit_contract_tree_depth + 1),
'data': DepositData(**sample_deposit_data_params)
}
def test_get_initial_beacon_state(
privkeys, pubkeys, num_validators, genesis_epoch, genesis_slot,
genesis_fork_version, genesis_start_shard, shard_count, seed_lookahead,
latest_block_roots_length, latest_index_roots_length, epoch_length,
max_deposit_amount, latest_penalized_exit_length,
latest_randao_mixes_length, entry_exit_delay, sample_eth1_data_params):
withdrawal_credentials = b'\x22' * 32
randao_commitment = b'\x33' * 32
custody_commitment = b'\x44' * 32
fork = Fork(
previous_version=genesis_fork_version,
current_version=genesis_fork_version,
epoch=genesis_epoch,
)
validator_count = 5
initial_validator_deposits = (Deposit(
branch=(b'\x11' * 32 for j in range(10)),
index=i,
deposit_data=DepositData(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
proof_of_possession=sign_proof_of_possession(
deposit_input=DepositInput(
pubkey=pubkeys[i],
withdrawal_credentials=withdrawal_credentials,
randao_commitment=randao_commitment,
custody_commitment=custody_commitment,
),
privkey=privkeys[i],
fork=fork,
slot=genesis_slot,
epoch_length=epoch_length,
),
),
amount=max_deposit_amount,
timestamp=0,
),
) for i in range(validator_count))
genesis_time = 10
latest_eth1_data = Eth1Data(**sample_eth1_data_params)
state = get_initial_beacon_state(
initial_validator_deposits=initial_validator_deposits,
genesis_time=genesis_time,
latest_eth1_data=latest_eth1_data,
genesis_epoch=genesis_epoch,
genesis_slot=genesis_slot,
genesis_fork_version=genesis_fork_version,
genesis_start_shard=genesis_start_shard,
shard_count=shard_count,
seed_lookahead=seed_lookahead,
latest_block_roots_length=latest_block_roots_length,
latest_index_roots_length=latest_index_roots_length,
epoch_length=epoch_length,
max_deposit_amount=max_deposit_amount,
latest_penalized_exit_length=latest_penalized_exit_length,
latest_randao_mixes_length=latest_randao_mixes_length,
entry_exit_delay=entry_exit_delay,
)
# Misc
assert state.slot == genesis_slot
assert state.genesis_time == genesis_time
assert state.fork.previous_version == genesis_fork_version
assert state.fork.current_version == genesis_fork_version
assert state.fork.epoch == genesis_epoch
# Validator registry
assert len(state.validator_registry) == validator_count
assert len(state.validator_balances) == validator_count
assert state.validator_registry_update_epoch == genesis_epoch
assert state.validator_registry_exit_count == 0
# Randomness and committees
assert len(state.latest_randao_mixes) == latest_randao_mixes_length
assert len(
state.latest_vdf_outputs) == latest_randao_mixes_length // epoch_length
# TODO: `persistent_committees`, `persistent_committee_reassignments` will be removed
assert len(state.persistent_committees) == 0
assert len(state.persistent_committee_reassignments) == 0
assert state.previous_epoch_start_shard == genesis_start_shard
assert state.current_epoch_start_shard == genesis_start_shard
assert state.previous_calculation_epoch == genesis_epoch
assert state.current_calculation_epoch == genesis_epoch
assert state.previous_epoch_seed == ZERO_HASH32
# Custody challenges
assert len(state.custody_challenges) == 0
# Finality
assert state.previous_justified_epoch == genesis_epoch
assert state.justified_epoch == genesis_epoch
assert state.justification_bitfield == 0
assert state.finalized_epoch == genesis_epoch
# Recent state
assert len(state.latest_crosslinks) == shard_count
assert state.latest_crosslinks[0] == CrosslinkRecord(
epoch=genesis_epoch,
shard_block_root=ZERO_HASH32,
)
assert len(state.latest_block_roots) == latest_block_roots_length
assert state.latest_block_roots[0] == ZERO_HASH32
assert len(state.latest_penalized_balances) == latest_penalized_exit_length
assert state.latest_penalized_balances[0] == Gwei(0)
assert len(state.latest_attestations) == 0
assert len(state.batched_block_roots) == 0
# Ethereum 1.0 chain data
assert state.latest_eth1_data == latest_eth1_data
assert len(state.eth1_data_votes) == 0
assert state.validator_registry[0].is_active(genesis_epoch)
