def normalize_address(ens, address):
if address:
if is_ens_name(address):
validate_name_has_address(ens, address)
else:
validate_address(address)
return address
def construct_event_filter_params(event_abi,
contract_address=None,
argument_filters=None,
topics=None,
fromBlock=None,
toBlock=None,
address=None):
filter_params = {}
topic_set = construct_event_topic_set(event_abi, argument_filters)
if topics is not None:
if len(topic_set) > 1:
raise TypeError(
"Merging the topics argument with topics generated "
"from argument_filters is not supported.")
topic_set = topics
if len(topic_set) == 1 and is_list_like(topic_set[0]):
filter_params['topics'] = topic_set[0]
else:
filter_params['topics'] = topic_set
if address and contract_address:
if is_list_like(address):
filter_params['address'] = address + [contract_address]
elif is_string(address):
filter_params['address'] = [address, contract_address]
else:
raise ValueError(
"Unsupported type for `address` parameter: {0}".format(type(address))
)
elif address:
filter_params['address'] = address
elif contract_address:
filter_params['address'] = contract_address
if 'address' not in filter_params:
pass
elif is_list_like(filter_params['address']):
for addr in filter_params['address']:
validate_address(addr)
else:
validate_address(filter_params['address'])
if fromBlock is not None:
filter_params['fromBlock'] = fromBlock
if toBlock is not None:
filter_params['toBlock'] = toBlock
data_filters_set = construct_event_data_set(event_abi, argument_filters)
return data_filters_set, filter_params
def fromAddress(address):
"""
This method should be used to create
an iban object from ethereum address
@method fromAddress
@param {String} address
@return {Iban} the IBAN object
"""
validate_address(address)
address_as_integer = int(address, 16)
address_as_base36 = baseN(address_as_integer, 36)
padded = pad_left_hex(address_as_base36, 15)
return Iban.fromBban(padded.upper())
def validate_attr_dict(self, attr_dict: Dict[str, str]) -> None:
"""
Validates that ContractType keys in attr_dict reference existing manifest ContractTypes.
"""
attr_dict_names = list(attr_dict.keys())
if not self.unlinked_references and not self.linked_references:
raise BytecodeLinkingError(
"Unable to validate attr dict, this contract has no linked/unlinked references."
)
unlinked_refs = self.unlinked_references or ({}, )
linked_refs = self.linked_references or ({}, )
all_link_refs = unlinked_refs + linked_refs
all_link_names = [ref["name"] for ref in all_link_refs if ref]
if set(attr_dict_names) != set(all_link_names):
raise BytecodeLinkingError(
"All link references must be defined when calling "
"`link_bytecode` on a contract factory.")
for address in attr_dict.values():
validate_address(address)
def _deployment(
contract_instance: str,
contract_type: str,
deployment_bytecode: Dict[str, Any],
runtime_bytecode: Dict[str, Any],
compiler: Dict[str, Any],
block_uri: URI,
address: HexStr,
tx: HexStr,
block: HexStr,
manifest: Manifest,
) -> Manifest:
validate_address(address)
if not is_BIP122_block_uri(block_uri):
raise ManifestBuildingError(f"{block_uri} is not a valid BIP122 URI.")
if tx:
if not is_string(tx) and not is_hex(tx):
raise ManifestBuildingError(
f"Transaction hash: {tx} is not a valid hexstring"
)
if block:
if not is_string(block) and not is_hex(block):
raise ManifestBuildingError(f"Block hash: {block} is not a valid hexstring")
# todo: validate db, rb and compiler are properly formatted dicts
deployment_data = _build_deployments_object(
contract_type,
deployment_bytecode,
runtime_bytecode,
compiler,
address,
tx,
block,
manifest,
)
return assoc_in(
manifest, ["deployments", block_uri, contract_instance], deployment_data
)
def abi_address_to_hex(type_str, data):
if type_str == 'address':
validate_address(data)
if is_binary_address(data):
return type_str, to_checksum_address(data)
def normalize_address_no_ens(address: ChecksumAddress) -> ChecksumAddress:
if address:
validate_address(address)
return address
def abi_address_to_hex(type_str: TypeStr, data: Any) -> Optional[Tuple[TypeStr, ChecksumAddress]]:
if type_str == 'address':
validate_address(data)
if is_binary_address(data):
return type_str, to_checksum_address(data)
return None
def abi_address_to_hex(abi_type, data):
if abi_type == 'address':
validate_address(data)
if is_binary_address(data):
return abi_type, to_checksum_address(data)