def deploy(self, w3: "Web3") -> "LogFilter":
if not isinstance(w3, web3.Web3):
raise ValueError(f"Invalid web3 argument: got: {w3!r}")
for arg in AttributeDict.values(self.args):
arg._immutable = True
self._immutable = True
log_filter = cast("LogFilter", w3.eth.filter(self.filter_params))
log_filter.filter_params = self.filter_params
log_filter.set_data_filters(self.data_argument_values)
log_filter.builder = self
if self.formatter is not None:
log_filter.log_entry_formatter = self.formatter
return log_filter
class EventFilterBuilder:
formatter = None
_fromBlock = None
_toBlock = None
_address = None
_immutable = False
def __init__(
self, event_abi: ABIEvent, abi_codec: ABICodec, formatter: EventData=None
) -> None:
self.event_abi = event_abi
self.abi_codec = abi_codec
self.formatter = formatter
self.event_topic = initialize_event_topics(self.event_abi)
self.args = AttributeDict(
_build_argument_filters_from_event_abi(event_abi, abi_codec))
self._ordered_arg_names = tuple(arg['name'] for arg in event_abi['inputs'])
@property
def fromBlock(self) -> BlockIdentifier:
return self._fromBlock
@fromBlock.setter
def fromBlock(self, value: BlockIdentifier) -> None:
if self._fromBlock is None and not self._immutable:
self._fromBlock = value
else:
raise ValueError(
"fromBlock is already set to {0}. "
"Resetting filter parameters is not permitted".format(self._fromBlock))
@property
def toBlock(self) -> BlockIdentifier:
return self._toBlock
@toBlock.setter
def toBlock(self, value: BlockIdentifier) -> None:
if self._toBlock is None and not self._immutable:
self._toBlock = value
else:
raise ValueError(
"toBlock is already set to {0}. "
"Resetting filter parameters is not permitted".format(self._toBlock))
@property
def address(self) -> ChecksumAddress:
return self._address
@address.setter
def address(self, value: ChecksumAddress) -> None:
if self._address is None and not self._immutable:
self._address = value
else:
raise ValueError(
"address is already set to {0}. "
"Resetting filter parameters is not permitted".format(self.address))
@property
def ordered_args(self) -> Tuple[Any, ...]:
return tuple(map(self.args.__getitem__, self._ordered_arg_names))
@property # type: ignore
@to_tuple
def indexed_args(self) -> Tuple[Any, ...]:
return tuple(filter(is_indexed, self.ordered_args))
@property # type: ignore
@to_tuple
def data_args(self) -> Tuple[Any, ...]:
return tuple(filter(is_not_indexed, self.ordered_args))
@property
def topics(self) -> List[HexStr]:
arg_topics = tuple(arg.match_values for arg in self.indexed_args)
return normalize_topic_list(cons(to_hex(self.event_topic), arg_topics))
@property
def data_argument_values(self) -> Tuple[Any, ...]:
if self.data_args is not None:
return tuple(arg.match_values for arg in self.data_args)
else:
return (None,)
@property
def filter_params(self) -> FilterParams:
params = {
"topics": self.topics,
"fromBlock": self.fromBlock,
"toBlock": self.toBlock,
"address": self.address
}
return valfilter(lambda x: x is not None, params)
def deploy(self, w3: "Web3") -> "LogFilter":
if not isinstance(w3, web3.Web3):
raise ValueError("Invalid web3 argument: got: {0}".format(repr(w3)))
for arg in self.args.values():
arg._immutable = True
self._immutable = True
log_filter = cast("LogFilter", w3.eth.filter(self.filter_params))
log_filter.filter_params = self.filter_params
log_filter.set_data_filters(self.data_argument_values)
log_filter.builder = self
if self.formatter is not None:
log_filter.log_entry_formatter = self.formatter
return log_filter
class EventFilterBuilder:
formatter = None
_fromBlock = None
_toBlock = None
_address = None
_immutable = False
def __init__(self, event_abi, formatter=None):
self.event_abi = event_abi
self.formatter = formatter
self.event_topic = initialize_event_topics(self.event_abi)
self.args = AttributeDict(
_build_argument_filters_from_event_abi(event_abi))
self._ordered_arg_names = tuple(arg['name'] for arg in event_abi['inputs'])
@property
def fromBlock(self):
return self._fromBlock
@fromBlock.setter
def fromBlock(self, value):
if self._fromBlock is None and not self._immutable:
self._fromBlock = value
else:
raise ValueError(
"fromBlock is already set to {0}. "
"Resetting filter parameters is not permitted".format(self._fromBlock))
@property
def toBlock(self):
return self._toBlock
@toBlock.setter
def toBlock(self, value):
if self._toBlock is None and not self._immutable:
self._toBlock = value
else:
raise ValueError(
"toBlock is already set to {0}. "
"Resetting filter parameters is not permitted".format(self._toBlock))
@property
def address(self):
return self._address
@address.setter
def address(self, value):
if self._address is None and not self._immutable:
self._address = value
else:
raise ValueError(
"address is already set to {0}. "
"Resetting filter parameters is not permitted".format(self.address))
@property
def ordered_args(self):
return tuple(map(self.args.__getitem__, self._ordered_arg_names))
@property
@to_tuple
def indexed_args(self):
return tuple(filter(is_indexed, self.ordered_args))
@property
@to_tuple
def data_args(self):
return tuple(filter(is_not_indexed, self.ordered_args))
@property
def topics(self):
arg_topics = tuple(arg.match_values for arg in self.indexed_args)
return normalize_topic_list(cons(to_hex(self.event_topic), arg_topics))
@property
def data_argument_values(self):
if self.data_args is not None:
return tuple(arg.match_values for arg in self.data_args)
else:
return (None,)
@property
def filter_params(self):
params = {
"topics": self.topics,
"fromBlock": self.fromBlock,
"toBlock": self.toBlock,
"address": self.address
}
return valfilter(lambda x: x is not None, params)
def deploy(self, w3):
if not isinstance(w3, web3.Web3):
raise ValueError("Invalid web3 argument: got: {0}".format(repr(w3)))
for arg in self.args.values():
arg._immutable = True
self._immutable = True
log_filter = w3.eth.filter(self.filter_params)
log_filter.filter_params = self.filter_params
log_filter.set_data_filters(self.data_argument_values)
log_filter.builder = self
if self.formatter is not None:
log_filter.log_entry_formatter = self.formatter
return log_filter
