def set_closed(
channel_state: NettingChannelState,
block_number: typing.BlockNumber,
) -> None:
if not channel_state.close_transaction:
channel_state.close_transaction = TransactionExecutionStatus(
None,
block_number,
TransactionExecutionStatus.SUCCESS,
)
elif not channel_state.close_transaction.finished_block_number:
channel_state.close_transaction.finished_block_number = block_number
channel_state.close_transaction.result = TransactionExecutionStatus.SUCCESS
def events_for_close(
channel_state: NettingChannelState,
block_number: typing.BlockNumber,
) -> typing.List[Event]:
events = list()
if get_status(channel_state) in CHANNEL_STATES_PRIOR_TO_CLOSED:
channel_state.close_transaction = TransactionExecutionStatus(
block_number, None, None)
close_event = ContractSendChannelClose(
channel_state.identifier,
channel_state.token_address,
channel_state.partner_state.balance_proof,
)
events.append(close_event)
return events