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859 | @pytest.mark.parametrize(
"timestamp",
[
pytest.param(15_000, id="deploy_on_shanghai"),
pytest.param(30_000, id="deploy_on_cancun"),
],
)
@pytest.mark.valid_at_transition_to("Cancun")
@pytest.mark.pre_alloc_group(
"beacon_root_deploy_contract",
reason=(
"This test is parametrized with a hard-coded address (the beacon root contract deployer "
"address); they can't be in the same pre alloc group."
),
)
def test_beacon_root_contract_deploy(
blockchain_test: BlockchainTestFiller,
pre: Alloc,
beacon_root: bytes,
tx: Transaction,
timestamp: int,
post: Dict,
fork: Fork,
) -> None:
"""
Tests the fork transition to cancun deploying the contract during Shanghai
and verifying the code deployed and its functionality after Cancun.
"""
assert fork.header_beacon_root_required(block_number=1, timestamp=timestamp)
tx_gas_limit = 0x3D090
tx_gas_price = 0xE8D4A51000
deployer_required_balance = tx_gas_limit * tx_gas_price
deploy_tx = Transaction(
ty=0,
nonce=0,
to=None,
gas_limit=tx_gas_limit,
gas_price=tx_gas_price,
value=0,
data=bytes.fromhex(
"60618060095f395ff33373fffffffffffffffffffffffffffffffffffffffe14604d576020361460"
"24575f5ffd5b5f35801560495762001fff810690815414603c575f5ffd5b62001fff01545f526020"
"5ff35b5f5ffd5b62001fff42064281555f359062001fff015500"
),
v=0x1B,
r=0x539,
s=0x1B9B6EB1F0,
protected=False,
).with_signature_and_sender()
deployer_address = deploy_tx.sender
assert deployer_address is not None
assert Address(deployer_address) == Spec.BEACON_ROOTS_DEPLOYER_ADDRESS
blocks: List[Block] = []
beacon_root_contract_storage: Dict = {}
for i, current_timestamp in enumerate(range(timestamp // 2, timestamp + 1, timestamp // 2)):
if i == 0:
blocks.append(
Block( # Deployment block
txs=[deploy_tx],
parent_beacon_block_root=(
beacon_root
if fork.header_beacon_root_required(
block_number=1, timestamp=current_timestamp
)
else None
),
timestamp=timestamp // 2,
withdrawals=[
# Also withdraw to the beacon root contract and the
# system address
Withdrawal(
address=Spec.BEACON_ROOTS_ADDRESS,
amount=1,
index=0,
validator_index=0,
),
Withdrawal(
address=Spec.SYSTEM_ADDRESS,
amount=1,
index=1,
validator_index=1,
),
],
)
)
beacon_root_contract_storage[current_timestamp % Spec.HISTORY_BUFFER_LENGTH] = 0
beacon_root_contract_storage[
(current_timestamp % Spec.HISTORY_BUFFER_LENGTH) + Spec.HISTORY_BUFFER_LENGTH
] = 0
elif i == 1:
blocks.append(
Block( # Contract already deployed
txs=[tx],
parent_beacon_block_root=beacon_root,
timestamp=timestamp,
withdrawals=[
# Also withdraw to the beacon root contract and the
# system address
Withdrawal(
address=Spec.BEACON_ROOTS_ADDRESS,
amount=1,
index=2,
validator_index=0,
),
Withdrawal(
address=Spec.SYSTEM_ADDRESS,
amount=1,
index=3,
validator_index=1,
),
],
),
)
beacon_root_contract_storage[current_timestamp % Spec.HISTORY_BUFFER_LENGTH] = (
current_timestamp
)
beacon_root_contract_storage[
(current_timestamp % Spec.HISTORY_BUFFER_LENGTH) + Spec.HISTORY_BUFFER_LENGTH
] = beacon_root
else:
raise AssertionError("This test should only have two blocks")
expected_code = fork.pre_allocation_blockchain()[Spec.BEACON_ROOTS_ADDRESS]["code"]
pre[Spec.BEACON_ROOTS_ADDRESS] = Account(
code=b"", # Remove the code that is automatically allocated on Cancun
# fork
nonce=0,
balance=0,
)
pre[deployer_address] = Account(
balance=deployer_required_balance,
)
post[Spec.BEACON_ROOTS_ADDRESS] = Account(
storage=beacon_root_contract_storage,
code=expected_code,
nonce=1,
balance=int(2e9),
)
post[Spec.SYSTEM_ADDRESS] = Account(
storage={},
code=b"",
nonce=0,
balance=int(2e9),
)
post[deployer_address] = Account(
balance=175916000000000000, # It doesn't consume all the balance :(
nonce=1,
)
blockchain_test(
pre=pre,
blocks=blocks,
post=post,
)
|