def generate_safe_contract_address(address: Address, salt: int,
call_data: bytes) -> Address:
return force_bytes_to_address(
keccak(b'\xff' + address + int_to_bytes32(salt) + keccak(call_data)))
def test_int_to_bytes32_invalid(value):
with pytest.raises(ValueError):
int_to_bytes32(value)
'validator_registry_update_epoch,'
'epochs_since_last_registry_change_is_power_of_two,'
'current_calculation_epoch,'
'latest_randao_mixes,'
'expected_current_calculation_epoch,'
),
[
(
40, 4, 2, 2,
2**10, 4, 19,
False,
10,
2,
True, # (state.current_epoch - state.validator_registry_update_epoch) is power of two
0,
[int_to_bytes32(i) for i in range(2**10)],
5, # expected current_calculation_epoch is state.next_epoch
),
(
40, 4, 2, 2,
2**10, 4, 19,
False,
10,
1,
False, # (state.current_epoch - state.validator_registry_update_epoch) != power of two
0,
[int_to_bytes32(i) for i in range(2**10)],
0, # expected_current_calculation_epoch is current_calculation_epoch because it will not be updated # noqa: E501
),
]
)
def test_int_to_bytes32_valid(value, expected):
assert int_to_bytes32(value) == expected
'num_shards_in_committees,'
'validator_registry_update_slot,'
'current_epoch_calculation_slot,'
'latest_randao_mixes,'
'expected_current_epoch_calculation_slot,'
'expected_current_epoch_randao_mix,'
),
[
(
40, 4, 2, 2,
2**10, 4, 20,
False,
10,
16, # (state.slot - state.validator_registry_update_slot) EPOCH_LENGTH is power of two
0,
[int_to_bytes32(i) for i in range(2**10)],
20, # expected current_epoch_calculation_slot is state.slot
int_to_bytes32((20 - 4) % 2**10), # latest_randao_mixes[(result_state.current_epoch_calculation_slot - SEED_LOOKAHEAD) % LATEST_RANDAO_MIXES_LENGTH] # noqa: E501
),
(
40, 4, 2, 2,
2**10, 4, 20,
False,
10,
8, # (state.slot - state.validator_registry_update_slot) EPOCH_LENGTH != power of two
0,
[int_to_bytes32(i) for i in range(2**10)],
0, # expected current_epoch_calculation_slot is state.slot
int_to_bytes32(0),
),
]