def test_routing_mocked_pfs_invalid_json(chain_state, token_network_state,
one_to_n_address, our_address):
token_network_state, addresses, _ = create_square_network_topology(
token_network_state=token_network_state, our_address=our_address)
address1, address2, address3, address4 = addresses
# test routing with all nodes available
chain_state.nodeaddresses_to_networkstates = {
address1: NetworkState.REACHABLE,
address2: NetworkState.REACHABLE,
address3: NetworkState.REACHABLE,
}
response = mocked_failed_response(error=ValueError(), status_code=200)
with patch.object(requests, "post", return_value=response):
routes, feedback_token = get_best_routes_with_iou_request_mocked(
chain_state=chain_state,
token_network_state=token_network_state,
one_to_n_address=one_to_n_address,
from_address=our_address,
to_address=address4,
amount=50,
)
# Request to PFS failed, but we do not fall back to internal routing
assert len(routes) == 0
assert feedback_token is None
def test_routing_mocked_pfs_invalid_json(chain_state, token_network_state,
one_to_n_address, our_address):
token_network_state, addresses, channel_states = create_square_network_topology(
token_network_state=token_network_state, our_address=our_address)
address1, address2, address3, address4 = addresses
channel_state1, channel_state2 = channel_states
# test routing with all nodes available
chain_state.nodeaddresses_to_networkstates = {
address1: NetworkState.REACHABLE,
address2: NetworkState.REACHABLE,
address3: NetworkState.REACHABLE,
}
response = mocked_failed_response(error=ValueError(), status_code=200)
with patch.object(requests, "post", return_value=response):
routes, feedback_token = get_best_routes_with_iou_request_mocked(
chain_state=chain_state,
token_network_state=token_network_state,
one_to_n_address=one_to_n_address,
from_address=our_address,
to_address=address4,
amount=50,
)
# PFS doesn't work, so internal routing is used, so two possible routes are returned,
# whereas the path via address1 is shorter (
# even if the route is not possible from a global perspective)
# in case the mocked pfs response were used, we would not see address1 on the route
assert routes[0].next_hop_address == address1
assert routes[0].forward_channel_id == channel_state1.identifier
assert routes[1].next_hop_address == address2
assert routes[1].forward_channel_id == channel_state2.identifier
assert feedback_token is None
def test_get_and_update_iou(one_to_n_address):
request_args = dict(
url="url",
token_network_address=factories.UNIT_TOKEN_NETWORK_ADDRESS,
sender=factories.make_address(),
receiver=factories.make_address(),
privkey=PRIVKEY,
)
# RequestExceptions should be reraised as ServiceRequestFailed
with pytest.raises(ServiceRequestFailed):
with patch.object(session,
"get",
side_effect=requests.RequestException):
get_last_iou(**request_args)
# invalid JSON should raise a ServiceRequestFailed
response = mocked_failed_response(error=ValueError)
with pytest.raises(ServiceRequestFailed):
with patch.object(session, "get", return_value=response):
get_last_iou(**request_args)
response = mocked_json_response(response_data={"other_key": "other_value"})
with patch.object(session, "get", return_value=response):
iou = get_last_iou(**request_args)
assert iou is None, "get_pfs_iou should return None if pfs returns no iou."
last_iou = make_iou(
pfs_config=PFS_CONFIG,
our_address=factories.UNIT_TRANSFER_INITIATOR,
privkey=PRIVKEY,
block_number=10,
one_to_n_address=one_to_n_address,
chain_id=4,
offered_fee=TokenAmount(1),
)
response = mocked_json_response(response_data=dict(
last_iou=last_iou.as_json()))
with patch.object(session, "get", return_value=response):
iou = get_last_iou(**request_args)
assert iou == last_iou
new_iou_1 = update_iou(replace(iou), PRIVKEY, added_amount=10)
assert new_iou_1.amount == last_iou.amount + 10
assert new_iou_1.sender == last_iou.sender
assert new_iou_1.receiver == last_iou.receiver
assert new_iou_1.expiration_block == last_iou.expiration_block
assert new_iou_1.signature is not None
new_iou_2 = update_iou(replace(iou), PRIVKEY, expiration_block=45)
assert new_iou_2.expiration_block == 45
assert new_iou_1.sender == iou.sender
assert new_iou_1.receiver == iou.receiver
assert new_iou_1.expiration_block == iou.expiration_block
assert new_iou_2.signature is not None