core-lightning/tests/test_cln_rs.py
Rusty Russell 5a1e58f0dc pytest: fix RUST=0 pytest.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2022-04-02 09:46:01 +10:30

238 lines
7.5 KiB
Python

from fixtures import * # noqa: F401,F403
from pathlib import Path
from pyln.testing.utils import env, TEST_NETWORK, wait_for
from ephemeral_port_reserve import reserve
import grpc
import pytest
import subprocess
# Skip the entire module if we don't have Rust.
pytestmark = pytest.mark.skipif(
env('RUST') != '1',
reason='RUST is not enabled skipping rust-dependent tests'
)
def wait_for_grpc_start(node):
"""This can happen before "public key" which start() swallows"""
wait_for(lambda: node.daemon.is_in_log(r'serving grpc on 0.0.0.0:'))
def test_rpc_client(node_factory):
l1 = node_factory.get_node()
bin_path = Path.cwd() / "target" / "debug" / "examples" / "cln-rpc-getinfo"
rpc_path = Path(l1.daemon.lightning_dir) / TEST_NETWORK / "lightning-rpc"
out = subprocess.check_output([bin_path, rpc_path], stderr=subprocess.STDOUT)
assert(b'0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518' in out)
def test_plugin_start(node_factory):
"""Start a minimal plugin and ensure it is well-behaved
"""
bin_path = Path.cwd() / "target" / "debug" / "examples" / "cln-plugin-startup"
l1 = node_factory.get_node(options={"plugin": str(bin_path), 'test-option': 31337})
l2 = node_factory.get_node()
# The plugin should be in the list of active plugins
plugins = l1.rpc.plugin('list')['plugins']
assert len([p for p in plugins if 'cln-plugin-startup' in p['name'] and p['active']]) == 1
cfg = l1.rpc.listconfigs()
p = cfg['plugins'][0]
p['path'] = None # The path is host-specific, so blank it.
expected = {
'name': 'cln-plugin-startup',
'options': {
'test-option': 31337
},
'path': None
}
assert expected == p
# Now check that the `testmethod was registered ok
l1.rpc.help("testmethod") == {
'help': [
{
'command': 'testmethod ',
'category': 'plugin',
'description': 'This is a test',
'verbose': 'This is a test'
}
],
'format-hint': 'simple'
}
assert l1.rpc.testmethod() == "Hello"
l1.connect(l2)
l1.daemon.wait_for_log(r'Got a connect hook call')
l1.daemon.wait_for_log(r'Got a connect notification')
def test_grpc_connect(node_factory):
"""Attempts to connect to the grpc interface and call getinfo"""
# These only exist if we have rust!
from node_pb2_grpc import NodeStub # noqa: E402
import node_pb2 as nodepb # noqa: E402
from primitives_pb2 import AmountOrAny, Amount # noqa: E402
grpc_port = reserve()
bin_path = Path.cwd() / "target" / "debug" / "cln-grpc"
l1 = node_factory.get_node(options={"plugin": str(bin_path), "grpc-port": str(grpc_port)})
p = Path(l1.daemon.lightning_dir) / TEST_NETWORK
cert_path = p / "client.pem"
key_path = p / "client-key.pem"
ca_cert_path = p / "ca.pem"
creds = grpc.ssl_channel_credentials(
root_certificates=ca_cert_path.open('rb').read(),
private_key=key_path.open('rb').read(),
certificate_chain=cert_path.open('rb').read()
)
wait_for_grpc_start(l1)
channel = grpc.secure_channel(
f"localhost:{grpc_port}",
creds,
options=(('grpc.ssl_target_name_override', 'cln'),)
)
stub = NodeStub(channel)
response = stub.Getinfo(nodepb.GetinfoRequest())
print(response)
response = stub.ListFunds(nodepb.ListfundsRequest())
print(response)
inv = stub.Invoice(nodepb.InvoiceRequest(
msatoshi=AmountOrAny(any=True),
description="hello",
label="lbl1",
preimage=b"\x00" * 32,
cltv=24
))
print(inv)
rates = stub.Feerates(nodepb.FeeratesRequest(style='PERKB'))
print(rates)
# Test a failing RPC call, so we know that errors are returned correctly.
with pytest.raises(Exception, match=r'Duplicate label'):
# This request creates a label collision
stub.Invoice(nodepb.InvoiceRequest(
msatoshi=AmountOrAny(amount=Amount(msat=12345)),
description="hello",
label="lbl1",
))
def test_grpc_generate_certificate(node_factory):
"""Test whether we correctly generate the certificates.
- If we have no certs, we need to generate them all
- If we have certs, we they should just get loaded
- If we delete one cert or its key it should get regenerated.
"""
grpc_port = reserve()
bin_path = Path.cwd() / "target" / "debug" / "cln-grpc"
l1 = node_factory.get_node(options={
"plugin": str(bin_path),
"grpc-port": str(grpc_port),
}, start=False)
p = Path(l1.daemon.lightning_dir) / TEST_NETWORK
files = [p / f for f in [
'ca.pem',
'ca-key.pem',
'client.pem',
'client-key.pem',
'server-key.pem',
'server.pem',
]]
# Before starting no files exist.
assert [f.exists() for f in files] == [False] * len(files)
l1.start()
assert [f.exists() for f in files] == [True] * len(files)
# The files exist, restarting should not change them
contents = [f.open().read() for f in files]
l1.restart()
assert contents == [f.open().read() for f in files]
# Now we delete the last file, we should regenerate it as well as its key
files[-1].unlink()
l1.restart()
assert contents[-2] != files[-2].open().read()
assert contents[-1] != files[-1].open().read()
def test_grpc_no_auto_start(node_factory):
"""Ensure that we do not start cln-grpc unless a port is configured.
"""
bin_path = Path.cwd() / "target" / "debug" / "cln-grpc"
l1, = node_factory.get_nodes(1, opts={
"plugin": str(bin_path),
})
wait_for(lambda: [p for p in l1.rpc.plugin('list')['plugins'] if 'cln-grpc' in p['name']] == [])
assert l1.daemon.is_in_log(r'plugin-cln-grpc: Killing plugin: exited during normal operation')
def test_grpc_wrong_auth(node_factory):
"""An mTLS client certificate should only be usable with its node
We create two instances, each generates its own certs and keys,
and then we try to cross the wires.
"""
# These only exist if we have rust!
from node_pb2_grpc import NodeStub # noqa: E402
import node_pb2 as nodepb # noqa: E402
grpc_port = reserve()
bin_path = Path.cwd() / "target" / "debug" / "cln-grpc"
l1, l2 = node_factory.get_nodes(2, opts={
"plugin": str(bin_path),
"start": False,
"grpc-port": str(grpc_port),
})
l1.start()
wait_for_grpc_start(l1)
def connect(node):
p = Path(node.daemon.lightning_dir) / TEST_NETWORK
cert, key, ca = [f.open('rb').read() for f in [
p / 'client.pem',
p / 'client-key.pem',
p / "ca.pem"]]
creds = grpc.ssl_channel_credentials(
root_certificates=ca,
private_key=key,
certificate_chain=cert,
)
channel = grpc.secure_channel(
f"localhost:{grpc_port}",
creds,
options=(('grpc.ssl_target_name_override', 'cln'),)
)
return NodeStub(channel)
stub = connect(l1)
# This should work, it's the correct node
stub.Getinfo(nodepb.GetinfoRequest())
l1.stop()
l2.start()
wait_for_grpc_start(l2)
# This should not work, it's a different node
with pytest.raises(Exception, match=r'Socket closed|StatusCode.UNAVAILABLE'):
stub.Getinfo(nodepb.GetinfoRequest())
# Now load the correct ones and we should be good to go
stub = connect(l2)
stub.Getinfo(nodepb.GetinfoRequest())