def subdispatch_targettask(
node_state,
state_change,
token_network_identifier,
token_address,
channel_identifier,
secrethash,
):
block_number = node_state.block_number
sub_task = node_state.payment_mapping.secrethashes_to_task.get(secrethash)
if not sub_task:
is_valid_subtask = True
target_state = None
elif sub_task and isinstance(sub_task, PaymentMappingState.TargetTask):
is_valid_subtask = (token_network_identifier
== sub_task.token_network_identifier
and token_address == sub_task.token_address)
target_state = sub_task.target_state
else:
is_valid_subtask = False
events = list()
channel_state = None
if is_valid_subtask:
channel_state = views.get_channelstate_by_token_network_identifier(
node_state,
token_network_identifier,
channel_identifier,
)
if channel_state:
pseudo_random_generator = node_state.pseudo_random_generator
iteration = target.state_transition(
target_state,
state_change,
channel_state,
pseudo_random_generator,
block_number,
)
events = iteration.events
if iteration.new_state:
sub_task = PaymentMappingState.TargetTask(
token_network_identifier,
channel_identifier,
iteration.new_state,
)
node_state.payment_mapping.secrethashes_to_task[
secrethash] = sub_task
elif secrethash in node_state.payment_mapping.secrethashes_to_task:
del node_state.payment_mapping.secrethashes_to_task[secrethash]
return TransitionResult(node_state, events)
def subdispatch_targettask(
chain_state: ChainState,
state_change: StateChange,
token_network_identifier: typing.TokenNetworkID,
channel_identifier: typing.ChannelID,
secrethash: typing.SecretHash,
) -> TransitionResult:
block_number = chain_state.block_number
sub_task = chain_state.payment_mapping.secrethashes_to_task.get(secrethash)
if not sub_task:
is_valid_subtask = True
target_state = None
elif sub_task and isinstance(sub_task, PaymentMappingState.TargetTask):
is_valid_subtask = (
token_network_identifier == sub_task.token_network_identifier)
target_state = sub_task.target_state
else:
is_valid_subtask = False
events = list()
channel_state = None
if is_valid_subtask:
channel_state = views.get_channelstate_by_token_network_identifier(
chain_state,
token_network_identifier,
channel_identifier,
)
if channel_state:
pseudo_random_generator = chain_state.pseudo_random_generator
iteration = target.state_transition(
target_state,
state_change,
channel_state,
pseudo_random_generator,
block_number,
)
events = iteration.events
if iteration.new_state:
sub_task = PaymentMappingState.TargetTask(
token_network_identifier,
channel_identifier,
iteration.new_state,
)
chain_state.payment_mapping.secrethashes_to_task[
secrethash] = sub_task
elif secrethash in chain_state.payment_mapping.secrethashes_to_task:
del chain_state.payment_mapping.secrethashes_to_task[secrethash]
return TransitionResult(chain_state, events)
def subdispatch_targettask(
node_state,
state_change,
payment_network_identifier,
token_address,
channel_identifier,
hashlock):
block_number = node_state.block_number
sub_task = node_state.payment_mapping.hashlocks_to_task.get(hashlock)
if not sub_task:
is_valid_subtask = True
target_state = None
elif sub_task and isinstance(sub_task, PaymentMappingState.TargetTask):
is_valid_subtask = (
payment_network_identifier == sub_task.payment_network_identifier and
token_address == sub_task.token_address
)
target_state = sub_task.target_state
else:
is_valid_subtask = False
events = list()
channel_state = None
if is_valid_subtask:
channel_state = views.get_channelstate_by_tokenaddress(
node_state,
payment_network_identifier,
token_address,
channel_identifier,
)
if channel_state:
iteration = target.state_transition(
target_state,
state_change,
channel_state,
block_number,
)
events = iteration.events
if iteration.new_state:
sub_task = PaymentMappingState.TargetTask(
payment_network_identifier,
token_address,
channel_identifier,
iteration.new_state,
)
node_state.payment_mapping.hashlocks_to_task[hashlock] = sub_task
return TransitionResult(node_state, events)