def test_create_monitoring_request(raiden_network, token_addresses):
app0, app1 = raiden_network
token_address = token_addresses[0]
chain_state = views.state_from_app(app0)
token_network_registry_address = app0.raiden.default_registry.address
token_network_address = views.get_token_network_address_by_token_address(
chain_state=chain_state,
token_network_registry_address=token_network_registry_address,
token_address=token_address,
)
assert token_network_address
payment_identifier = create_default_identifier()
transfer(
initiator_app=app1,
target_app=app0,
token_address=token_address,
amount=PaymentAmount(1),
identifier=payment_identifier,
)
chain_state = views.state_from_raiden(app0.raiden)
channel_state = views.get_channelstate_by_token_network_and_partner(
chain_state, token_network_address, app1.raiden.address)
assert channel_state
balance_proof = cast(BalanceProofSignedState,
channel_state.partner_state.balance_proof)
api = RaidenAPI(app0.raiden)
request = api.create_monitoring_request(balance_proof=balance_proof,
reward_amount=TokenAmount(1))
assert request
as_dict = DictSerializer.serialize(request)
from_dict = DictSerializer.deserialize(as_dict)
assert DictSerializer.serialize(from_dict) == as_dict
def test_recovery_happy_case(raiden_network, restart_node, number_of_nodes,
deposit, token_addresses, network_wait):
app0, app1, app2 = raiden_network
token_address = token_addresses[0]
chain_state = views.state_from_app(app0)
token_network_registry_address = app0.raiden.default_registry.address
token_network_address = views.get_token_network_address_by_token_address(
chain_state, token_network_registry_address, token_address)
assert token_network_address
# make a few transfers from app0 to app2
amount = PaymentAmount(1)
spent_amount = deposit - 2
for identifier in range(spent_amount):
transfer_and_assert_path(
path=raiden_network,
token_address=token_address,
amount=amount,
identifier=PaymentID(identifier),
timeout=network_wait * number_of_nodes,
)
app0.stop()
waiting.wait_for_network_state(app1.raiden, app0.raiden.address,
NetworkState.UNREACHABLE, network_wait)
restart_node(app0)
assert_synced_channel_state(token_network_address, app0,
deposit - spent_amount, [], app1,
deposit + spent_amount, [])
assert_synced_channel_state(token_network_address, app1,
deposit - spent_amount, [], app2,
deposit + spent_amount, [])
# wait for the nodes' healthcheck to update the network statuses
waiting.wait_for_healthy(app0.raiden, app1.raiden.address, network_wait)
waiting.wait_for_healthy(app1.raiden, app0.raiden.address, network_wait)
transfer_and_assert_path(
path=raiden_network[::-1],
token_address=token_address,
amount=amount,
identifier=create_default_identifier(),
timeout=network_wait * number_of_nodes,
)
transfer_and_assert_path(
path=raiden_network,
token_address=token_address,
amount=amount,
identifier=create_default_identifier(),
timeout=network_wait * number_of_nodes,
)
assert_succeeding_transfer_invariants(token_network_address, app0,
deposit - spent_amount, [], app1,
deposit + spent_amount, [])
assert_succeeding_transfer_invariants(token_network_address, app1,
deposit - spent_amount, [], app2,
deposit + spent_amount, [])
def test_send_queued_messages_after_restart( # pylint: disable=unused-argument
raiden_network: List[App],
deposit: TokenAmount,
token_addresses: List[TokenAddress],
network_wait: float,
):
"""Test re-sending of undelivered messages on node restart"""
app0, app1 = raiden_network
token_address = token_addresses[0]
chain_state = views.state_from_app(app0)
token_network_registry_address = app0.raiden.default_registry.address
token_network_address = views.get_token_network_address_by_token_address(
chain_state, token_network_registry_address, token_address)
assert token_network_address
number_of_transfers = 7
amount_per_transfer = PaymentAmount(1)
total_transferred_amount = TokenAmount(amount_per_transfer *
number_of_transfers)
# Make sure none of the transfers will be sent before the restart
transfers = []
for secret_seed in range(number_of_transfers):
secret = make_secret(secret_seed)
secrethash = sha256_secrethash(secret)
transfers.append((create_default_identifier(), amount_per_transfer,
secret, secrethash))
assert isinstance(app0.raiden.raiden_event_handler,
HoldRaidenEventHandler) # for mypy
app0.raiden.raiden_event_handler.hold(
SendLockedTransfer,
{"transfer": {
"lock": {
"secrethash": secrethash
}
}})
for identifier, amount, secret, _ in transfers:
app0.raiden.mediated_transfer_async(
token_network_address=token_network_address,
amount=amount,
target=TargetAddress(app1.raiden.address),
identifier=identifier,
secret=secret,
)
app0.stop()
# Restart the app. The pending transfers must be processed.
new_transport = MatrixTransport(
config=app0.raiden.config.transport,
environment=app0.raiden.config.environment_type)
raiden_event_handler = RaidenEventHandler()
message_handler = MessageHandler()
app0_restart = App(
config=app0.config,
rpc_client=app0.raiden.rpc_client,
proxy_manager=app0.raiden.proxy_manager,
query_start_block=BlockNumber(0),
default_registry=app0.raiden.default_registry,
default_secret_registry=app0.raiden.default_secret_registry,
default_service_registry=app0.raiden.default_service_registry,
default_one_to_n_address=app0.raiden.default_one_to_n_address,
default_msc_address=app0.raiden.default_msc_address,
transport=new_transport,
raiden_event_handler=raiden_event_handler,
message_handler=message_handler,
routing_mode=RoutingMode.PRIVATE,
)
del app0
app0_restart.start()
# XXX: There is no synchronization among the app and the test, so it is
# possible between `start` and the check below that some of the transfers
# have completed, making it flaky.
#
# Make sure the transfers are in the queue and fail otherwise.
chain_state = views.state_from_raiden(app0_restart.raiden)
for _, _, _, secrethash in transfers:
msg = "The secrethashes of the pending transfers must be in the queue after a restart."
assert secrethash in chain_state.payment_mapping.secrethashes_to_task, msg
with watch_for_unlock_failures(*raiden_network):
exception = RuntimeError(
"Timeout while waiting for balance update for app0")
with gevent.Timeout(20, exception=exception):
waiting.wait_for_payment_balance(
raiden=app0_restart.raiden,
token_network_registry_address=token_network_registry_address,
token_address=token_address,
partner_address=app1.raiden.address,
target_address=app1.raiden.address,
target_balance=total_transferred_amount,
retry_timeout=network_wait,
)
exception = RuntimeError(
"Timeout while waiting for balance update for app1")
with gevent.Timeout(20, exception=exception):
waiting.wait_for_payment_balance(
raiden=app1.raiden,
token_network_registry_address=token_network_registry_address,
token_address=token_address,
partner_address=app0_restart.raiden.address,
target_address=app1.raiden.address,
target_balance=total_transferred_amount,
retry_timeout=network_wait,
)
assert_synced_channel_state(
token_network_address,
app0_restart,
Balance(deposit - total_transferred_amount),
[],
app1,
Balance(deposit + total_transferred_amount),
[],
)
new_transport.stop()
def transfer_async(
self,
registry_address: TokenNetworkRegistryAddress,
token_address: TokenAddress,
amount: PaymentAmount,
target: TargetAddress,
identifier: PaymentID = None,
secret: Secret = None,
secrethash: SecretHash = None,
lock_timeout: BlockTimeout = None,
) -> "PaymentStatus":
current_state = views.state_from_raiden(self.raiden)
token_network_registry_address = self.raiden.default_registry.address
if not isinstance(amount, int): # pragma: no unittest
raise InvalidAmount("Amount not a number")
if Address(target) == self.address:
raise SamePeerAddress("Address must be different than ours")
if amount <= 0:
raise InvalidAmount("Amount negative")
if amount > UINT256_MAX:
raise InvalidAmount("Amount too large")
if not is_binary_address(token_address):
raise InvalidBinaryAddress("token address is not valid.")
if token_address not in views.get_token_identifiers(
current_state, registry_address):
raise UnknownTokenAddress("Token address is not known.")
if not is_binary_address(target):
raise InvalidBinaryAddress("target address is not valid.")
valid_tokens = views.get_token_identifiers(
views.state_from_raiden(self.raiden), registry_address)
if token_address not in valid_tokens:
raise UnknownTokenAddress("Token address is not known.")
if secret is not None and not isinstance(secret, T_Secret):
raise InvalidSecret("secret is not valid.")
if secrethash is not None and not isinstance(secrethash, T_SecretHash):
raise InvalidSecretHash("secrethash is not valid.")
if identifier is None:
identifier = create_default_identifier()
if identifier <= 0:
raise InvalidPaymentIdentifier(
"Payment identifier cannot be 0 or negative")
if identifier > UINT64_MAX:
raise InvalidPaymentIdentifier("Payment identifier is too large")
log.debug(
"Initiating transfer",
initiator=to_checksum_address(self.raiden.address),
target=to_checksum_address(target),
token=to_checksum_address(token_address),
amount=amount,
identifier=identifier,
)
token_network_address = views.get_token_network_address_by_token_address(
chain_state=current_state,
token_network_registry_address=token_network_registry_address,
token_address=token_address,
)
if token_network_address is None:
raise UnknownTokenAddress(
f"Token {to_checksum_address(token_address)} is not registered "
f"with the network {to_checksum_address(registry_address)}.")
payment_status = self.raiden.mediated_transfer_async(
token_network_address=token_network_address,
amount=amount,
target=target,
identifier=identifier,
secret=secret,
secrethash=secrethash,
lock_timeout=lock_timeout,
)
return payment_status
