def test_get_paths(api_url: str, addresses: List[Address],
token_network_model: TokenNetwork):
hex_addrs = [to_checksum_address(addr) for addr in addresses]
url = api_url + "/v1/" + to_checksum_address(
token_network_model.address) + "/paths"
data = {
"from": hex_addrs[0],
"to": hex_addrs[2],
"value": 10,
"max_paths": DEFAULT_MAX_PATHS
}
response = requests.post(url, json=data)
assert response.status_code == 200
paths = response.json()["result"]
assert len(paths) == 1
assert paths == [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"address_metadata": {
hex_addrs[0]: get_address_metadata(hex_addrs[0]),
hex_addrs[1]: get_address_metadata(hex_addrs[1]),
hex_addrs[2]: get_address_metadata(hex_addrs[2]),
},
"estimated_fee": 0,
}]
# check default value for num_path
data = {"from": hex_addrs[0], "to": hex_addrs[2], "value": 10}
default_response = requests.post(url, json=data)
assert default_response.json()["result"] == response.json()["result"]
# impossible routes
for source, dest in [
(hex_addrs[0], hex_addrs[5]), # no connection between 0 and 5
("0x" + "1" * 40, hex_addrs[5]), # source not in graph
(hex_addrs[0], "0x" + "1" * 40), # dest not in graph
]:
data = {"from": source, "to": dest, "value": 10, "max_paths": 3}
response = requests.post(url, json=data)
assert response.status_code == 404
assert response.json(
)["error_code"] == exceptions.NoRouteFound.error_code
def test_get_paths_via_debug_endpoint_a(api_url: str, addresses: List[Address],
token_network_model: TokenNetwork): # pylint: disable=too-many-locals
# `last_failed_requests` is a module variable, so it might have entries
# from tests that ran earlier.
last_failed_requests.clear()
hex_addrs = [to_checksum_address(addr) for addr in addresses]
token_network_address = to_checksum_address(token_network_model.address)
# Make two requests, so we can test the `request_count` as well
for _ in range(2):
response = requests.post(
api_url + f"/v1/{token_network_address}/paths",
json={
"from": hex_addrs[0],
"to": hex_addrs[2],
"value": 10,
"max_paths": DEFAULT_MAX_PATHS,
},
)
assert response.status_code == 200
paths = response.json()["result"]
assert len(paths) == 1
assert paths == [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"estimated_fee": 0,
"address_metadata": {
hex_addrs[0]: get_address_metadata(hex_addrs[0]),
hex_addrs[1]: get_address_metadata(hex_addrs[1]),
hex_addrs[2]: get_address_metadata(hex_addrs[2]),
},
}]
# now there must be a debug endpoint for that specific route
url_debug = api_url + f"/v1/_debug/routes/{token_network_address}/{hex_addrs[0]}"
response_debug = requests.get(url_debug)
assert response_debug.status_code == 200
request_count = response_debug.json()["request_count"]
assert request_count == 2
responses = response_debug.json()["responses"]
assert responses == [
{
"source":
hex_addrs[0],
"target":
hex_addrs[2],
"routes": [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"estimated_fee": 0
}],
},
{
"source":
hex_addrs[0],
"target":
hex_addrs[2],
"routes": [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"estimated_fee": 0
}],
},
]
# now there must be a debug endpoint for that specific route and that specific target
url_debug_incl_requested_target = (
api_url +
f"/v1/_debug/routes/{token_network_address}/{hex_addrs[0]}/{hex_addrs[2]}"
)
response_debug_incl_target = requests.get(url_debug_incl_requested_target)
assert response_debug_incl_target.status_code == 200
request_count = response_debug_incl_target.json()["request_count"]
assert request_count == 2
responses = response_debug.json()["responses"]
assert responses == [
{
"source":
hex_addrs[0],
"target":
hex_addrs[2],
"routes": [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"estimated_fee": 0
}],
},
{
"source":
hex_addrs[0],
"target":
hex_addrs[2],
"routes": [{
"path": [hex_addrs[0], hex_addrs[1], hex_addrs[2]],
"estimated_fee": 0
}],
},
]
# when requesting info for a target that was no path requested for
url_debug_incl_unrequested_target = (
api_url +
f"/v1/_debug/routes/{token_network_address}/{hex_addrs[0]}/{hex_addrs[3]}"
)
response_debug_incl_unrequested_target = requests.get(
url_debug_incl_unrequested_target)
assert response_debug_incl_unrequested_target.status_code == 200
request_count = response_debug_incl_unrequested_target.json(
)["request_count"]
assert request_count == 0
responses = response_debug_incl_unrequested_target.json()["responses"]
assert responses == []