eth2.0-specs/deposit_contract/tests/contracts/test_deposit.py

150 lines
4.6 KiB
Python

from random import (
randint,
)
import pytest
import eth_utils
from tests.contracts.conftest import (
DEPOSIT_CONTRACT_TREE_DEPTH,
FULL_DEPOSIT_AMOUNT,
MIN_DEPOSIT_AMOUNT,
)
from eth2spec.phase0.spec import (
DepositData,
)
from eth2spec.utils.hash_function import hash
from eth2spec.utils.ssz.ssz_typing import List
from eth2spec.utils.ssz.ssz_impl import (
hash_tree_root,
)
@pytest.fixture
def deposit_input():
"""
pubkey: bytes[48]
withdrawal_credentials: bytes[32]
signature: bytes[96]
"""
return (
b'\x11' * 48,
b'\x22' * 32,
b'\x33' * 96,
)
@pytest.mark.parametrize(
'success,deposit_amount',
[
(True, FULL_DEPOSIT_AMOUNT),
(True, MIN_DEPOSIT_AMOUNT),
(False, MIN_DEPOSIT_AMOUNT - 1),
(True, FULL_DEPOSIT_AMOUNT + 1)
]
)
def test_deposit_amount(registration_contract,
w3,
success,
deposit_amount,
assert_tx_failed,
deposit_input):
call = registration_contract.functions.deposit(*deposit_input)
if success:
assert call.transact({"value": deposit_amount * eth_utils.denoms.gwei})
else:
assert_tx_failed(
lambda: call.transact({"value": deposit_amount * eth_utils.denoms.gwei})
)
@pytest.mark.parametrize(
'invalid_pubkey,invalid_withdrawal_credentials,invalid_signature,success',
[
(False, False, False, True),
(True, False, False, False),
(False, True, False, False),
(False, False, True, False),
]
)
def test_deposit_inputs(registration_contract,
w3,
assert_tx_failed,
deposit_input,
invalid_pubkey,
invalid_withdrawal_credentials,
invalid_signature,
success):
pubkey = deposit_input[0][2:] if invalid_pubkey else deposit_input[0]
if invalid_withdrawal_credentials: # this one is different to satisfy linter
withdrawal_credentials = deposit_input[1][2:]
else:
withdrawal_credentials = deposit_input[1]
signature = deposit_input[2][2:] if invalid_signature else deposit_input[2]
call = registration_contract.functions.deposit(
pubkey,
withdrawal_credentials,
signature,
)
if success:
assert call.transact({"value": FULL_DEPOSIT_AMOUNT * eth_utils.denoms.gwei})
else:
assert_tx_failed(
lambda: call.transact({"value": FULL_DEPOSIT_AMOUNT * eth_utils.denoms.gwei})
)
def test_deposit_event_log(registration_contract, a0, w3, deposit_input):
log_filter = registration_contract.events.DepositEvent.createFilter(
fromBlock='latest',
)
deposit_amount_list = [randint(MIN_DEPOSIT_AMOUNT, FULL_DEPOSIT_AMOUNT * 2) for _ in range(3)]
for i in range(3):
registration_contract.functions.deposit(
*deposit_input,
).transact({"value": deposit_amount_list[i] * eth_utils.denoms.gwei})
logs = log_filter.get_new_entries()
assert len(logs) == 1
log = logs[0]['args']
assert log['pubkey'] == deposit_input[0]
assert log['withdrawal_credentials'] == deposit_input[1]
assert log['amount'] == deposit_amount_list[i].to_bytes(8, 'little')
assert log['signature'] == deposit_input[2]
assert log['index'] == i.to_bytes(8, 'little')
def test_deposit_tree(registration_contract, w3, assert_tx_failed, deposit_input):
log_filter = registration_contract.events.DepositEvent.createFilter(
fromBlock='latest',
)
deposit_amount_list = [randint(MIN_DEPOSIT_AMOUNT, FULL_DEPOSIT_AMOUNT * 2) for _ in range(10)]
deposit_data_list = []
for i in range(0, 10):
tx_hash = registration_contract.functions.deposit(
*deposit_input,
).transact({"value": deposit_amount_list[i] * eth_utils.denoms.gwei})
receipt = w3.eth.getTransactionReceipt(tx_hash)
print("deposit transaction consumes %d gas" % receipt['gasUsed'])
logs = log_filter.get_new_entries()
assert len(logs) == 1
log = logs[0]['args']
assert log["index"] == i.to_bytes(8, 'little')
deposit_data_list.append(DepositData(
pubkey=deposit_input[0],
withdrawal_credentials=deposit_input[1],
amount=deposit_amount_list[i],
signature=deposit_input[2],
))
root = hash_tree_root(List[DepositData, 2**32](*deposit_data_list))
assert root == registration_contract.functions.get_hash_tree_root().call()