def create_mock_genesis_validator_deposits_and_root(
num_validators: int,
config: Eth2Config,
pubkeys: Sequence[BLSPubkey],
keymap: Dict[BLSPubkey, int]) -> Tuple[Tuple[Deposit, ...], Hash32]:
# Mock data
withdrawal_credentials = Hash32(b'\x22' * 32)
fork = Fork(
previous_version=config.GENESIS_FORK_VERSION.to_bytes(4, 'little'),
current_version=config.GENESIS_FORK_VERSION.to_bytes(4, 'little'),
epoch=config.GENESIS_EPOCH,
)
deposit_data_array = tuple() # type: Tuple[DepositData, ...]
deposit_data_leaves = tuple() # type: Tuple[Hash32, ...]
for i in range(num_validators):
deposit_data = create_mock_deposit_data(
config=config,
pubkeys=pubkeys,
keymap=keymap,
validator_index=ValidatorIndex(i),
withdrawal_credentials=withdrawal_credentials,
fork=fork,
)
item = hash_eth2(ssz.encode(deposit_data))
deposit_data_leaves += (item,)
deposit_data_array += (deposit_data,)
tree = calc_merkle_tree_from_leaves(deposit_data_leaves)
root = get_merkle_root(deposit_data_leaves)
genesis_validator_deposits = tuple(
Deposit(
proof=get_merkle_proof(tree, item_index=i),
index=i,
deposit_data=deposit_data_array[i],
)
for i in range(num_validators)
)
return genesis_validator_deposits, root
def create_mock_deposit(config, sample_beacon_state_params, keymap, pubkeys,
withdrawal_credentials, validator_index):
state = BeaconState(**sample_beacon_state_params).copy(
slot=1,
validator_registry=(),
)
fork = Fork(
previous_version=config.GENESIS_FORK_VERSION.to_bytes(4, 'little'),
current_version=config.GENESIS_FORK_VERSION.to_bytes(4, 'little'),
epoch=config.GENESIS_EPOCH,
)
deposit_data = create_mock_deposit_data(
config=config,
pubkeys=pubkeys,
keymap=keymap,
validator_index=validator_index,
withdrawal_credentials=withdrawal_credentials,
fork=fork,
)
item = hash_eth2(ssz.encode(deposit_data))
test_deposit_data_leaves = (item, )
tree = calc_merkle_tree_from_leaves(test_deposit_data_leaves)
root = get_merkle_root(test_deposit_data_leaves)
proof = list(get_merkle_proof(tree, item_index=validator_index))
state = state.copy(latest_eth1_data=state.latest_eth1_data.copy(
deposit_root=root, ), )
deposit = Deposit(
proof=proof,
index=validator_index,
deposit_data=deposit_data,
)
return state, deposit