def subdispatch_initiatortask(
chain_state: ChainState,
state_change: StateChange,
token_network_identifier: TokenNetworkID,
secrethash: SecretHash,
) -> TransitionResult[ChainState]:
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
manager_state = None
elif sub_task and isinstance(sub_task, InitiatorTask):
is_valid_subtask = (
token_network_identifier == sub_task.token_network_identifier)
manager_state = sub_task.manager_state
else:
is_valid_subtask = False
events = list()
if is_valid_subtask:
pseudo_random_generator = chain_state.pseudo_random_generator
token_network_state = get_token_network_by_address(
chain_state,
token_network_identifier,
)
if token_network_state:
iteration = initiator_manager.state_transition(
manager_state,
state_change,
token_network_state.channelidentifiers_to_channels,
pseudo_random_generator,
block_number,
)
events = iteration.events
if iteration.new_state:
sub_task = InitiatorTask(
token_network_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 test_initiator_task_view():
"""Test transfer_tasks_view(), which is used to generate the output of the
pending transfers API, with an initiator task.
"""
channel_id = factories.UNIT_CHANNEL_ID
secret = factories.make_secret()
payment_hash_invoice = factories.make_payment_hash_invoice()
transfer = factories.create(
factories.LockedTransferUnsignedStateProperties(
secret=secret, payment_hash_invoice=payment_hash_invoice))
secrethash = transfer.lock.secrethash
transfer_description = TransferDescriptionWithSecretState(
payment_network_identifier=factories.UNIT_PAYMENT_NETWORK_IDENTIFIER,
payment_identifier=transfer.payment_identifier,
payment_hash_invoice=transfer.payment_hash_invoice,
amount=transfer.balance_proof.locked_amount,
allocated_fee=0,
token_network_identifier=factories.UNIT_TOKEN_NETWORK_ADDRESS,
initiator=transfer.initiator,
target=transfer.target,
secret=secret,
)
transfer_state = InitiatorTransferState(
transfer_description=transfer_description,
channel_identifier=channel_id,
transfer=transfer,
revealsecret=None,
)
payment_state = InitiatorPaymentState({secrethash: transfer_state})
task = InitiatorTask(
token_network_identifier=factories.UNIT_TOKEN_NETWORK_ADDRESS,
manager_state=payment_state)
payment_mapping = {secrethash: task}
view = transfer_tasks_view(payment_mapping)
assert len(view) == 1
pending_transfer = view[0]
assert pending_transfer.get("role") == "initiator"
balance_proof = transfer.balance_proof
assert pending_transfer.get("channel_identifier") == str(
balance_proof.channel_identifier)
assert pending_transfer.get("locked_amount") == str(
balance_proof.locked_amount)
assert pending_transfer.get("transferred_amount") == str(
balance_proof.transferred_amount)