def channelnew_filter(self,
from_block: Union[str, int] = 0,
to_block: Union[str, int] = 'latest') -> Filter:
""" Install a new filter for ChannelNew events.
Args:
start_block:Create filter starting from this block number (default: 0).
end_block: Create filter stopping at this block number (default: 'latest').
Return:
The filter instance.
"""
topics = [CONTRACT_MANAGER.get_event_id(EVENT_CHANNEL_NEW)]
channel_manager_address_bin = self.proxy.contract_address
filter_id_raw = new_filter(self.client,
channel_manager_address_bin,
topics,
from_block=from_block,
to_block=to_block)
return Filter(
self.client,
filter_id_raw,
)
def events_filter(
self,
topics: Optional[List],
from_block: Optional[int] = None,
to_block: Optional[int] = None) -> Filter:
""" Install a new filter for an array of topics emitted by the netting contract.
Args:
topics: A list of event ids to filter for. Can also be None,
in which case all events are queried.
from_block: The block number at which to start looking for events.
to_block: The block number at which to stop looking for events.
Return:
Filter: The filter instance.
"""
netting_channel_address_bin = self.proxy.contract_address
filter_id_raw = new_filter(
self.client,
netting_channel_address_bin,
topics=topics,
from_block=from_block,
to_block=to_block
)
return Filter(
self.client,
filter_id_raw,
)
def tokenadded_filter(self, from_block=None, to_block=None):
topics = [CONTRACT_MANAGER.get_event_id(EVENT_TOKEN_ADDED)]
registry_address_bin = self.proxy.address
filter_id_raw = new_filter(
self.client,
registry_address_bin,
topics,
from_block=from_block,
to_block=to_block,
)
return Filter(
self.client,
filter_id_raw,
)
def channelnew_filter(self, from_block=None, to_block=None):
""" Install a new filter for ChannelNew events.
Return:
Filter: The filter instance.
"""
topics = [CONTRACT_MANAGER.get_event_id(EVENT_CHANNEL_NEW)]
channel_manager_address_bin = self.proxy.address
filter_id_raw = new_filter(self.client,
channel_manager_address_bin,
topics,
from_block=from_block,
to_block=to_block)
return Filter(
self.client,
filter_id_raw,
)
def events_filter(self, topics, from_block=None, to_block=None):
""" Install a new filter for an array of topics emitted by the netting contract.
Args:
topics (list): A list of event ids to filter for. Can also be None,
in which case all events are queried.
Return:
Filter: The filter instance.
"""
netting_channel_address_bin = self.proxy.address
filter_id_raw = new_filter(self.client,
netting_channel_address_bin,
topics=topics,
from_block=from_block,
to_block=to_block)
return Filter(
self.client,
filter_id_raw,
)
