def get_netting_channel_closed_events(
chain: BlockChainService,
token_network_address: Address,
netting_channel_identifier: ChannelID,
contract_manager: ContractManager,
from_block: BlockSpecification = 0,
to_block: BlockSpecification = 'latest',
) -> List[Dict]:
closed_event_abi = contract_manager.get_event_abi(
CONTRACT_TOKEN_NETWORK,
ChannelEvent.CLOSED,
)
topic_set = construct_event_topic_set(
event_abi=closed_event_abi,
arguments={'channel_identifier': netting_channel_identifier},
)
if len(topic_set) == 1 and is_list_like(topic_set[0]):
topics = topic_set[0]
else:
topics = topic_set
return get_contract_events(
chain=chain,
abi=contract_manager.get_contract_abi(CONTRACT_TOKEN_NETWORK),
contract_address=token_network_address,
topics=topics,
from_block=from_block,
to_block=to_block,
)
def get_netting_channel_deposit_events(
chain: BlockChainService,
token_network_address: Address,
netting_channel_identifier: ChannelID,
contract_manager: ContractManager,
from_block: BlockSpecification = GENESIS_BLOCK_NUMBER,
to_block: BlockSpecification = 'latest',
) -> List[Dict]:
deposit_event_abi = contract_manager.get_event_abi(
CONTRACT_TOKEN_NETWORK,
ChannelEvent.DEPOSIT,
)
topic_set = construct_event_topic_set(
event_abi=deposit_event_abi,
arguments={'channel_identifier': netting_channel_identifier},
)
if len(topic_set) == 1 and is_list_like(topic_set[0]):
topics = topic_set[0]
else:
topics = topic_set
return get_contract_events(
chain,
contract_manager.get_contract_abi(CONTRACT_TOKEN_NETWORK),
token_network_address,
topics,
from_block,
to_block,
)
def get_netting_channel_deposit_events(
chain: BlockChainService,
token_network_address: Address,
netting_channel_identifier: ChannelID,
contract_manager: ContractManager,
from_block: BlockSpecification = GENESIS_BLOCK_NUMBER,
to_block: BlockSpecification = 'latest',
) -> List[Dict]:
deposit_event_abi = contract_manager.get_event_abi(
CONTRACT_TOKEN_NETWORK,
ChannelEvent.DEPOSIT,
)
topic_set = construct_event_topic_set(
event_abi=deposit_event_abi,
arguments={'channel_identifier': netting_channel_identifier},
)
if len(topic_set) == 1 and is_list_like(topic_set[0]):
topics = topic_set[0]
else:
topics = topic_set
return get_contract_events(
chain,
contract_manager.get_contract_abi(CONTRACT_TOKEN_NETWORK),
token_network_address,
topics,
from_block,
to_block,
)
def get_netting_channel_settled_events(
chain: BlockChainService,
token_network_address: Address,
netting_channel_identifier: ChannelID,
from_block: BlockSpecification = 0,
to_block: BlockSpecification = 'latest',
) -> List[Dict]:
settled_event_abi = CONTRACT_MANAGER.get_event_abi(
CONTRACT_TOKEN_NETWORK,
ChannelEvent.SETTLED,
)
topic_set = construct_event_topic_set(
event_abi=settled_event_abi,
arguments={'channel_identifier': netting_channel_identifier},
)
if len(topic_set) == 1 and is_list_like(topic_set[0]):
topics = topic_set[0]
else:
topics = topic_set
return get_contract_events(
chain,
CONTRACT_MANAGER.get_contract_abi(CONTRACT_TOKEN_NETWORK),
token_network_address,
topics,
from_block,
to_block,
)
def get_netting_channel_deposit_events(
proxy_manager: ProxyManager,
token_network_address: TokenNetworkAddress,
netting_channel_identifier: ChannelID,
contract_manager: ContractManager,
from_block: BlockSpecification = GENESIS_BLOCK_NUMBER,
to_block: BlockSpecification = "latest",
) -> List[Dict]:
deposit_event_abi = contract_manager.get_event_abi(CONTRACT_TOKEN_NETWORK,
ChannelEvent.DEPOSIT)
topic_set = construct_event_topic_set(
event_abi=deposit_event_abi,
arguments={"channel_identifier": netting_channel_identifier})
if len(topic_set) == 1 and is_list_like(topic_set[0]):
topics = topic_set[0]
else:
topics = topic_set
return get_contract_events(
proxy_manager,
contract_manager.get_contract_abi(CONTRACT_TOKEN_NETWORK),
Address(token_network_address),
topics,
from_block,
to_block,
)
def abi_to_topic0_dict(abi):
"""Map ABI event entries by their `topic0` hex key"""
result = dict()
for event_abi in EventABI.only_events(abi):
result[events.construct_event_topic_set(event_abi)[0]
[0]] = event_abi
return result
def test_construct_event_topics(event_abi, arguments, expected):
actual = construct_event_topic_set(event_abi, arguments)
assert actual == expected
def test_construct_event_topics(event_abi, arguments, expected):
actual = construct_event_topic_set(event_abi, arguments)
assert actual == expected
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.proxy_factory_contract = get_proxy_factory_contract(
self.ethereum_client.w3)
self.proxy_creation_topic = construct_event_topic_set(
self.proxy_factory_contract.events.ProxyCreation().abi, None)[0]
