def handle_channel_unlock(node_state, state_change):
token_address = state_change.token_address
payment_network_state, token_network_state = get_networks(
node_state,
state_change.payment_network_identifier,
state_change.token_address,
)
# first dispatch the unlock claim to update the channel
events = []
if token_network_state:
pseudo_random_generator = node_state.pseudo_random_generator
sub_iteration = token_network.subdispatch_to_channel_by_id(
token_network_state,
state_change,
pseudo_random_generator,
node_state.block_number,
)
events.extend(sub_iteration.events)
if sub_iteration.new_state is None:
del payment_network_state.tokenaddresses_to_tokennetworks[token_address]
# second emulate a secret reveal, to register the secret with all the other
# channels and proceed with the protocol
state_change = ReceiveSecretReveal(state_change.secret, None)
sub_iteration_secret_reveal = handle_secret_reveal(
node_state,
state_change,
)
events.extend(sub_iteration_secret_reveal.events)
return TransitionResult(node_state, events)
def handle_channel_batch_unlock(
node_state: NodeState,
state_change: ContractReceiveChannelBatchUnlock,
) -> TransitionResult:
token_network_identifier = state_change.token_network_identifier
token_network_state = views.get_token_network_by_identifier(
node_state,
token_network_identifier,
)
events = []
if token_network_state:
pseudo_random_generator = node_state.pseudo_random_generator
sub_iteration = token_network.subdispatch_to_channel_by_id(
token_network_state,
state_change,
pseudo_random_generator,
node_state.block_number,
)
events.extend(sub_iteration.events)
if sub_iteration.new_state is None:
payment_network_state = views.get_payment_network_by_identifier(
node_state,
token_network_state.address,
)
del payment_network_state.tokenaddresses_to_tokennetworks[
token_network_state.token_address]
del payment_network_state.tokenidentifiers_to_tokennetworks[
token_network_identifier]
return TransitionResult(node_state, events)
