def test_invalid_cancelpayment():
""" A payment can *NOT* be cancelled if a secret for any transfer has been
revealed.
"""
setup = setup_initiator_tests(amount=2 * MAXIMUM_PENDING_TRANSFERS *
UNIT_TRANSFER_AMOUNT, )
receive_secret_request = ReceiveSecretRequest(
UNIT_TRANSFER_IDENTIFIER,
setup.lock.amount,
setup.lock.expiration,
setup.lock.secrethash,
UNIT_TRANSFER_TARGET,
)
secret_transition = initiator_manager.state_transition(
payment_state=setup.current_state,
state_change=receive_secret_request,
channelidentifiers_to_channels=setup.channel_map,
pseudo_random_generator=setup.prng,
block_number=1,
)
iteration = initiator_manager.handle_cancelpayment(
payment_state=secret_transition.new_state,
channel_state=setup.channel,
)
msg = 'The secret *has* been revealed, the payment must not be cancelled'
assert iteration.new_state is not None, msg
assert not iteration.events, msg
def test_invalid_cancelpayment():
""" A payment can *NOT* be cancelled if a secret for any transfer has been
revealed.
"""
setup = setup_initiator_tests(
amount=2 * MAXIMUM_PENDING_TRANSFERS * UNIT_TRANSFER_AMOUNT,
)
receive_secret_request = ReceiveSecretRequest(
UNIT_TRANSFER_IDENTIFIER,
setup.lock.amount,
setup.lock.expiration,
setup.lock.secrethash,
UNIT_TRANSFER_TARGET,
)
secret_transition = initiator_manager.state_transition(
payment_state=setup.current_state,
state_change=receive_secret_request,
channelidentifiers_to_channels=setup.channel_map,
pseudo_random_generator=setup.prng,
block_number=1,
)
iteration = initiator_manager.handle_cancelpayment(
payment_state=secret_transition.new_state,
channel_state=setup.channel,
)
msg = 'The secret *has* been revealed, the payment must not be cancelled'
assert iteration.new_state is not None, msg
assert not iteration.events, msg
def test_cancelpayment():
""" A payment can be cancelled as long as the secret has not been revealed. """
channel_state = factories.make_channel(
our_balance=2 * MAXIMUM_PENDING_TRANSFERS * UNIT_TRANSFER_AMOUNT,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel_map = {channel_state.identifier: channel_state}
available_routes = [factories.route_from_channel(channel_state)]
init_state_change = ActionInitInitiator(
transfer_description=factories.UNIT_TRANSFER_DESCRIPTION,
routes=available_routes,
)
transition = initiator_manager.state_transition(
payment_state=None,
state_change=init_state_change,
channelidentifiers_to_channels=channel_map,
pseudo_random_generator=random.Random(),
block_number=1,
)
payment_state = transition.new_state
assert isinstance(payment_state, InitiatorPaymentState)
iteration = initiator_manager.handle_cancelpayment(
payment_state=payment_state,
channel_state=channel_state,
)
msg = 'The secret has not been revealed yet, the payment can be cancelled'
assert iteration.new_state is None, msg
def test_cancelpayment():
""" A payment can be cancelled as long as the secret has not been revealed. """
setup = setup_initiator_tests(amount=2 * MAXIMUM_PENDING_TRANSFERS *
UNIT_TRANSFER_AMOUNT, )
assert isinstance(setup.current_state, InitiatorPaymentState)
iteration = initiator_manager.handle_cancelpayment(
payment_state=setup.current_state,
channel_state=setup.channel,
)
msg = 'The secret has not been revealed yet, the payment can be cancelled'
assert iteration.new_state is None, msg
def test_invalid_cancelpayment():
""" A payment can *NOT* be cancelled if a secret for any transfer has been
revealed.
"""
channel_state = factories.make_channel(
our_balance=2 * MAXIMUM_PENDING_TRANSFERS * UNIT_TRANSFER_AMOUNT,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel_map = {channel_state.identifier: channel_state}
available_routes = [factories.route_from_channel(channel_state)]
init_state_change = ActionInitInitiator(
transfer_description=factories.UNIT_TRANSFER_DESCRIPTION,
routes=available_routes,
)
pseudo_random_generator = random.Random()
init_iteration = initiator_manager.state_transition(
payment_state=None,
state_change=init_state_change,
channelidentifiers_to_channels=channel_map,
pseudo_random_generator=pseudo_random_generator,
block_number=1,
)
lock = channel.get_lock(
channel_state.our_state,
init_iteration.new_state.initiator.transfer_description.secrethash,
)
receive_secret_request = ReceiveSecretRequest(
UNIT_TRANSFER_IDENTIFIER,
lock.amount,
lock.expiration,
lock.secrethash,
UNIT_TRANSFER_TARGET,
)
secret_transition = initiator_manager.state_transition(
payment_state=init_iteration.new_state,
state_change=receive_secret_request,
channelidentifiers_to_channels=channel_map,
pseudo_random_generator=pseudo_random_generator,
block_number=1,
)
iteration = initiator_manager.handle_cancelpayment(
payment_state=secret_transition.new_state,
channel_state=channel_state,
)
msg = 'The secret *has* been revealed, the payment must not be cancelled'
assert iteration.new_state is not None, msg
assert not iteration.events, msg
def test_cancelpayment():
""" A payment can be cancelled as long as the secret has not been revealed. """
setup = setup_initiator_tests(
amount=2 * MAXIMUM_PENDING_TRANSFERS * UNIT_TRANSFER_AMOUNT,
)
assert isinstance(setup.current_state, InitiatorPaymentState)
iteration = initiator_manager.handle_cancelpayment(
payment_state=setup.current_state,
channel_state=setup.channel,
)
msg = 'The secret has not been revealed yet, the payment can be cancelled'
assert iteration.new_state is None, msg