def test_init_with_maximum_pending_transfers_exceeded():
channel1 = 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 = {channel1.identifier: channel1}
available_routes = [factories.route_from_channel(channel1)]
pseudo_random_generator = random.Random()
transitions = list()
block_number = 1
for _ in range(MAXIMUM_PENDING_TRANSFERS + 1):
init_state_change = ActionInitInitiator(make_transfer_description(), available_routes)
transitions.append(initiator_manager.state_transition(
None,
init_state_change,
channel_map,
pseudo_random_generator,
block_number,
))
failed_transition = transitions.pop()
assert all(
isinstance(transition.new_state, InitiatorPaymentState)
for transition in transitions
)
assert failed_transition.new_state is None
assert len(failed_transition.events) == 1
assert isinstance(failed_transition.events[0], EventPaymentSentFailed)
def test_init_with_maximum_pending_transfers_exceeded():
channel1 = 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 = {channel1.identifier: channel1}
available_routes = [factories.route_from_channel(channel1)]
pseudo_random_generator = random.Random()
transitions = list()
block_number = 1
for _ in range(MAXIMUM_PENDING_TRANSFERS + 1):
init_state_change = ActionInitInitiator(make_transfer_description(), available_routes)
transitions.append(initiator_manager.state_transition(
None,
init_state_change,
channel_map,
pseudo_random_generator,
block_number,
))
failed_transition = transitions.pop()
assert all(
isinstance(transition.new_state, InitiatorPaymentState)
for transition in transitions
)
assert failed_transition.new_state is None
assert len(failed_transition.events) == 1
assert isinstance(failed_transition.events[0], EventPaymentSentFailed)
def test_initiator_lock_expired():
amount = UNIT_TRANSFER_AMOUNT * 2
block_number = 1
refund_pkey, refund_address = factories.make_privkey_address()
pseudo_random_generator = random.Random()
channel1 = factories.make_channel(
our_balance=amount,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel2 = factories.make_channel(
our_balance=0,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
pseudo_random_generator = random.Random()
channel_map = {
channel1.identifier: channel1,
channel2.identifier: channel2,
}
available_routes = [
factories.route_from_channel(channel1),
factories.route_from_channel(channel2),
]
block_number = 10
current_state = make_initiator_manager_state(
available_routes,
factories.UNIT_TRANSFER_DESCRIPTION,
channel_map,
pseudo_random_generator,
block_number,
)
transfer = current_state.initiator.transfer
assert transfer.lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
# Trigger lock expiry
state_change = Block(
block_number=transfer.lock.expiration + DEFAULT_NUMBER_OF_CONFIRMATIONS_BLOCK,
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
current_state,
state_change,
channel_map,
pseudo_random_generator,
block_number,
)
assert events.must_contain_entry(iteration.events, SendLockExpired, {
'balance_proof': {
'nonce': 2,
'transferred_amount': 0,
'locked_amount': 0,
},
'secrethash': transfer.lock.secrethash,
'recipient': channel1.partner_state.address,
})
assert transfer.lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
# Create 2 other transfers
transfer2_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer2'),
channel_map,
pseudo_random_generator,
30,
)
transfer2_lock = transfer2_state.initiator.transfer.lock
transfer3_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer3'),
channel_map,
pseudo_random_generator,
32,
)
transfer3_lock = transfer3_state.initiator.transfer.lock
assert len(channel1.our_state.secrethashes_to_lockedlocks) == 2
assert transfer2_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
expiration_block_number = transfer2_lock.expiration + DEFAULT_NUMBER_OF_CONFIRMATIONS_BLOCK
block = Block(
block_number=expiration_block_number,
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
transfer2_state,
block,
channel_map,
pseudo_random_generator,
expiration_block_number,
)
# Transfer 2 expired
assert transfer2_lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
# Transfer 3 is still there
assert transfer3_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
def test_initiator_lock_expired():
amount = UNIT_TRANSFER_AMOUNT * 2
channel1 = factories.make_channel(
our_balance=amount,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel2 = factories.make_channel(
our_balance=0,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
pseudo_random_generator = random.Random()
channel_map = {
channel1.identifier: channel1,
channel2.identifier: channel2,
}
available_routes = [
factories.route_from_channel(channel1),
factories.route_from_channel(channel2),
]
block_number = 10
transfer_description = factories.make_transfer_description(
secret=UNIT_SECRET,
payment_network_identifier=channel1.payment_network_identifier,
)
current_state = make_initiator_manager_state(
available_routes,
transfer_description,
channel_map,
pseudo_random_generator,
block_number,
)
transfer = current_state.initiator.transfer
assert transfer.lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
# Trigger lock expiry
state_change = Block(
block_number=transfer.lock.expiration +
DEFAULT_NUMBER_OF_BLOCK_CONFIRMATIONS * 2,
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
current_state,
state_change,
channel_map,
pseudo_random_generator,
block_number,
)
assert events.must_contain_entry(
iteration.events, SendLockExpired, {
'balance_proof': {
'nonce': 2,
'transferred_amount': 0,
'locked_amount': 0,
},
'secrethash': transfer.lock.secrethash,
'recipient': channel1.partner_state.address,
})
# Since the lock expired make sure we also get the payment sent failed event
assert events.must_contain_entry(
iteration.events, EventPaymentSentFailed, {
'payment_network_identifier': channel1.payment_network_identifier,
'token_network_identifier': channel1.token_network_identifier,
'identifier': UNIT_TRANSFER_IDENTIFIER,
'target': transfer.target,
'reason': "transfer's lock has expired",
})
assert transfer.lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
msg = 'the initiator payment task must be deleted at block of the lock expiration'
assert not iteration.new_state, msg
# Create 2 other transfers
transfer2_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer2'),
channel_map,
pseudo_random_generator,
30,
)
transfer2_lock = transfer2_state.initiator.transfer.lock
transfer3_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer3'),
channel_map,
pseudo_random_generator,
32,
)
transfer3_lock = transfer3_state.initiator.transfer.lock
assert len(channel1.our_state.secrethashes_to_lockedlocks) == 2
assert transfer2_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
expiration_block_number = transfer2_lock.expiration + DEFAULT_NUMBER_OF_BLOCK_CONFIRMATIONS * 2
block = Block(
block_number=expiration_block_number,
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
transfer2_state,
block,
channel_map,
pseudo_random_generator,
expiration_block_number,
)
# Transfer 2 expired
assert transfer2_lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
# Transfer 3 is still there
assert transfer3_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
def test_initiator_lock_expired():
amount = UNIT_TRANSFER_AMOUNT * 2
channel1 = factories.make_channel(
our_balance=amount,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
channel2 = factories.make_channel(
our_balance=0,
token_address=UNIT_TOKEN_ADDRESS,
token_network_identifier=UNIT_TOKEN_NETWORK_ADDRESS,
)
pseudo_random_generator = random.Random()
channel_map = {
channel1.identifier: channel1,
channel2.identifier: channel2,
}
available_routes = [
factories.route_from_channel(channel1),
factories.route_from_channel(channel2),
]
block_number = 10
transfer_description = factories.make_transfer_description(
secret=UNIT_SECRET,
payment_network_identifier=channel1.payment_network_identifier,
)
current_state = make_initiator_manager_state(
available_routes,
transfer_description,
channel_map,
pseudo_random_generator,
block_number,
)
transfer = current_state.initiator.transfer
assert transfer.lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
# Trigger lock expiry
state_change = Block(
block_number=channel.get_sender_expiration_threshold(transfer.lock),
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
current_state,
state_change,
channel_map,
pseudo_random_generator,
block_number,
)
assert events.must_contain_entry(iteration.events, SendLockExpired, {
'balance_proof': {
'nonce': 2,
'transferred_amount': 0,
'locked_amount': 0,
},
'secrethash': transfer.lock.secrethash,
'recipient': channel1.partner_state.address,
})
# Since the lock expired make sure we also get the payment sent failed event
assert events.must_contain_entry(iteration.events, EventPaymentSentFailed, {
'payment_network_identifier': channel1.payment_network_identifier,
'token_network_identifier': channel1.token_network_identifier,
'identifier': UNIT_TRANSFER_IDENTIFIER,
'target': transfer.target,
'reason': "transfer's lock has expired",
})
assert transfer.lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
msg = 'the initiator payment task must be deleted at block of the lock expiration'
assert not iteration.new_state, msg
# Create 2 other transfers
transfer2_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer2'),
channel_map,
pseudo_random_generator,
30,
)
transfer2_lock = transfer2_state.initiator.transfer.lock
transfer3_state = make_initiator_manager_state(
available_routes,
make_transfer_description('transfer3'),
channel_map,
pseudo_random_generator,
32,
)
transfer3_lock = transfer3_state.initiator.transfer.lock
assert len(channel1.our_state.secrethashes_to_lockedlocks) == 2
assert transfer2_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
expiration_block_number = channel.get_sender_expiration_threshold(transfer2_lock)
block = Block(
block_number=expiration_block_number,
gas_limit=1,
block_hash=factories.make_transaction_hash(),
)
iteration = initiator_manager.state_transition(
transfer2_state,
block,
channel_map,
pseudo_random_generator,
expiration_block_number,
)
# Transfer 2 expired
assert transfer2_lock.secrethash not in channel1.our_state.secrethashes_to_lockedlocks
# Transfer 3 is still there
assert transfer3_lock.secrethash in channel1.our_state.secrethashes_to_lockedlocks
