def _call_and_check_result(self, function_name: str):
fn = getattr(self.proxy.contract.functions, function_name)
try:
call_result = fn().call()
except BadFunctionCallOutput as e:
raise AddressWithoutCode(str(e))
if call_result == b'':
self._check_exists()
raise RuntimeError(
"Call to '{}' returned nothing".format(function_name), )
return call_result
def check_address_has_code(client: "JSONRPCClient",
address: Address,
contract_name: str = ""):
""" Checks that the given address contains code. """
result = client.web3.eth.getCode(to_checksum_address(address), "latest")
if not result:
if contract_name:
formated_contract_name = "[{}]: ".format(contract_name)
else:
formated_contract_name = ""
raise AddressWithoutCode("{}Address {} does not contain code".format(
formated_contract_name, to_checksum_address(address)))
def check_address_has_code(client, address: Address, contract_name: str = ''):
""" Checks that the given address contains code. """
result = client.eth_getCode(address, 'latest')
if not result:
if contract_name:
formated_contract_name = '[{}]: '.format(contract_name)
else:
formated_contract_name = ''
raise AddressWithoutCode('{}Address {} does not contain code'.format(
formated_contract_name,
address_encoder(address),
))
def check_address_has_code(client: "JSONRPCClient",
address: Address,
contract_name: str = "",
expected_code: bytes = None) -> None:
""" Checks that the given address contains code. """
result = client.web3.eth.getCode(to_checksum_address(address), "latest")
if not result:
raise AddressWithoutCode("[{}]Address {} does not contain code".format(
contract_name, to_checksum_address(address)))
if expected_code is not None and result != expected_code:
raise ContractCodeMismatch(
f"[{contract_name}]Address {to_checksum_address(address)} has wrong code."
)
def check_address_has_code(
client,
address: bytes,
contract_name: str = ''):
""" Checks that the given address contains code. """
result = client.call(
'eth_getCode',
address_encoder(address),
'latest',
)
if result == '0x':
raise AddressWithoutCode('{}Address {} does not contain code'.format(
'[{}]: '.format(contract_name) if contract_name else '',
address_encoder(address),
))
def check_address_has_code(
client: 'JSONRPCClient',
address: Address,
contract_name: str = '',
):
""" Checks that the given address contains code. """
result = client.web3.eth.getCode(to_checksum_address(address), 'latest')
if not result:
if contract_name:
formated_contract_name = '[{}]: '.format(contract_name)
else:
formated_contract_name = ''
raise AddressWithoutCode('{}Address {} does not contain code'.format(
formated_contract_name,
to_normalized_address(address),
))
def _check_exists(self):
if self.tester_chain.head_state.get_code(self.address) == b'':
raise AddressWithoutCode(
'Netting channel address {} does not contain code'.format(
address_encoder(self.address), ))