def get_constructor_arguments(contract: Contract,
args: Optional[list] = None,
kwargs: Optional[dict] = None):
"""Get constructor arguments for Etherscan verify.
https://etherscanio.freshdesk.com/support/solutions/articles/16000053599-contract-verification-constructor-arguments
"""
# return contract._encode_constructor_data(args=args, kwargs=kwargs)
constructor_abi = get_constructor_abi(contract.abi)
# constructor_abi can be none in case of libraries
if constructor_abi is None:
return to_hex(contract.bytecode)
if args is not None:
return contract.encodeABI(constructor_abi['name'], args)[2:] # No 0x
else:
constructor_abi = get_constructor_abi(contract.abi)
kwargs = kwargs or {}
arguments = merge_args_and_kwargs(constructor_abi, [], kwargs)
# deploy_data = add_0x_prefix(
# contract._encode_abi(constructor_abi, arguments)
# )
# TODO: Looks like recent Web3.py ABI change
deploy_data = encode_abi(contract.web3, constructor_abi, arguments)
return deploy_data
def encodeConstructorData(cls, arguments=None):
if arguments is None:
arguments = []
constructor = get_constructor_abi(cls.abi)
if constructor:
if constructor['inputs'] and not arguments:
raise ValueError(
"This contract requires {0} constructor arguments".format(
len(constructor['inputs']),
)
)
if arguments:
if len(arguments) != len(constructor['inputs']):
raise ValueError(
"This contract requires {0} constructor arguments".format(
len(constructor['inputs']),
)
)
is_encodable = check_if_arguments_can_be_encoded(
get_abi_input_types(constructor),
arguments,
)
if not is_encodable:
raise ValueError("Unable to encode provided arguments.")
deploy_data = add_0x_prefix(cls._encodeABI(constructor, arguments, data=cls.code))
else:
deploy_data = add_0x_prefix(cls.code)
return deploy_data
def get_constructor_arguments(contract: Contract, args: Optional[list]=None, kwargs: Optional[dict]=None):
"""Get constructor arguments for Etherscan verify.
https://etherscanio.freshdesk.com/support/solutions/articles/16000053599-contract-verification-constructor-arguments
"""
constructor_abi = get_constructor_abi(contract.abi)
if args is not None:
return contract._encode_abi(constructor_abi, args)[2:] # No 0x
else:
constructor_abi = get_constructor_abi(contract.abi)
arguments = merge_args_and_kwargs(constructor_abi, [], kwargs)
deploy_data = add_0x_prefix(
contract._encode_abi(constructor_abi, arguments)
)
return deploy_data
def encodeConstructorData(cls, arguments=None):
if arguments is None:
arguments = []
constructor = get_constructor_abi(cls.abi)
if constructor:
if constructor['inputs'] and not arguments:
raise ValueError(
"This contract requires {0} constructor arguments".format(
len(constructor['inputs']), ))
if arguments:
if len(arguments) != len(constructor['inputs']):
raise ValueError(
"This contract requires {0} constructor arguments".
format(len(constructor['inputs']), ))
is_encodable = check_if_arguments_can_be_encoded(
constructor,
arguments,
{},
)
if not is_encodable:
raise ValueError("Unable to encode provided arguments.")
deploy_data = add_0x_prefix(
cls._encodeABI(constructor, arguments, data=cls.code))
else:
deploy_data = add_0x_prefix(cls.code)
return deploy_data
def _encode_constructor_data(cls, args=None, kwargs=None):
constructor_abi = get_constructor_abi(cls.abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
cls._encode_abi(constructor_abi, arguments, data=cls.bytecode))
else:
deploy_data = add_0x_prefix(cls.bytecode)
return deploy_data
def _encode_data_in_transaction(self, *args, **kwargs):
constructor_abi = get_constructor_abi(self.abi)
if constructor_abi:
if not args:
args = tuple()
if not kwargs:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
data = add_0x_prefix(
encode_abi(self.web3, constructor_abi, arguments, data=self.bytecode)
)
else:
data = to_hex(self.bytecode)
return data
def _encode_constructor_data(cls, args=None, kwargs=None):
constructor_abi = get_constructor_abi(cls.abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
cls._encode_abi(constructor_abi, arguments, data=cls.bytecode)
)
else:
deploy_data = add_0x_prefix(cls.bytecode)
return deploy_data
def encode_constructor_data(abi, bytecode, web3, args=None, kwargs=None):
constructor_abi = get_constructor_abi(abi)
if constructor_abi:
if args is None:
args = tuple()
if kwargs is None:
kwargs = {}
arguments = merge_args_and_kwargs(constructor_abi, args, kwargs)
deploy_data = add_0x_prefix(
encode_abi(web3, constructor_abi, arguments, data=bytecode))
else:
deploy_data = to_hex(bytecode)
return deploy_data
