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test_plugin.py
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from collections import OrderedDict
from datetime import datetime
from fixtures import * # noqa: F401,F403
from hashlib import sha256
from pyln.client import RpcError, Millisatoshi
from pyln.proto import Invoice
from pyln.testing.utils import FUNDAMOUNT
from utils import (
only_one, sync_blockheight, TIMEOUT, wait_for, TEST_NETWORK,
expected_peer_features, expected_node_features,
expected_channel_features, account_balance,
check_coin_moves, first_channel_id, EXPERIMENTAL_DUAL_FUND,
mine_funding_to_announce, VALGRIND
)
import ast
import base64
import json
import os
import pytest
import random
import re
import signal
import sqlite3
import stat
import subprocess
import sys
import time
import unittest
def test_option_passthrough(node_factory, directory):
""" Ensure that registering options works.
First attempts without the plugin and then with the plugin.
Then a plugin tries to register the same option "name" again, fails startup.
"""
plugin_path = os.path.join(os.getcwd(), 'contrib/plugins/helloworld.py')
plugin_path2 = os.path.join(os.getcwd(), 'tests/plugins/options.py')
help_out = subprocess.check_output([
'lightningd/lightningd',
'--lightning-dir={}'.format(directory),
'--help'
]).decode('utf-8')
assert('--greeting' not in help_out)
help_out = subprocess.check_output([
'lightningd/lightningd',
'--lightning-dir={}'.format(directory),
'--plugin={}'.format(plugin_path),
'--help'
]).decode('utf-8')
assert('--greeting' in help_out)
# Now try to see if it gets accepted, would fail to start if the
# option didn't exist
n = node_factory.get_node(options={'plugin': plugin_path, 'greeting': 'Ciao'})
n.stop()
with pytest.raises(subprocess.CalledProcessError):
err_out = subprocess.run([
'lightningd/lightningd',
'--lightning-dir={}'.format(directory),
'--plugin={}'.format(plugin_path),
'--plugin={}'.format(plugin_path2),
'--help'
], capture_output=True, check=True).stderr.decode('utf-8')
# first come first serve
assert("error starting plugin '{}': option name 'greeting' is already taken".format(plugin_path2) in err_out)
def test_option_types(node_factory):
"""Ensure that desired types of options are
respected in output """
plugin_path = os.path.join(os.getcwd(), 'tests/plugins/options.py')
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_opt': 'ok',
'int_opt': 22,
'bool_opt': True,
})
assert n.daemon.is_in_log(r"option str_opt ok <class 'str'>")
assert n.daemon.is_in_log(r"option int_opt 22 <class 'int'>")
assert n.daemon.is_in_log(r"option bool_opt True <class 'bool'>")
# flag options aren't passed through if not flagged on
assert not n.daemon.is_in_log(r"option flag_opt")
n.stop()
# A blank bool_opt should default to false
n = node_factory.get_node(options={
'plugin': plugin_path, 'str_opt': 'ok',
'int_opt': 22,
'bool_opt': 'true',
'flag_opt': None,
})
assert n.daemon.is_in_log(r"option bool_opt True <class 'bool'>")
assert n.daemon.is_in_log(r"option flag_opt True <class 'bool'>")
n.stop()
# What happens if we give it a bad bool-option?
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_opt': 'ok',
'int_opt': 22,
'bool_opt': '!',
}, may_fail=True, start=False)
# the node should fail after start, and we get a stderr msg
n.daemon.start(wait_for_initialized=False, stderr_redir=True)
assert n.daemon.wait() == 1
wait_for(lambda: n.daemon.is_in_stderr("--bool_opt=!: Invalid argument '!'"))
# What happens if we give it a bad int-option?
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_opt': 'ok',
'int_opt': 'notok',
'bool_opt': True,
}, may_fail=True, start=False)
# the node should fail after start, and we get a stderr msg
n.daemon.start(wait_for_initialized=False, stderr_redir=True)
assert n.daemon.wait() == 1
assert n.daemon.is_in_stderr("--int_opt=notok: 'notok' is not a number")
# We no longer allow '1' or '0' as boolean options
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_opt': 'ok',
'bool_opt': '1',
}, may_fail=True, start=False)
# the node should fail after start, and we get a stderr msg
n.daemon.start(wait_for_initialized=False, stderr_redir=True)
assert n.daemon.wait() == 1
assert n.daemon.is_in_stderr("--bool_opt=1: boolean plugin arguments must be true or false")
# Flag opts shouldn't allow any input
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_opt': 'ok',
'int_opt': 11,
'bool_opt': True,
'flag_opt': True,
}, may_fail=True, start=False)
# the node should fail after start, and we get a stderr msg
n.daemon.start(wait_for_initialized=False, stderr_redir=True)
assert n.daemon.wait() == 1
assert n.daemon.is_in_stderr("--flag_opt=True: doesn't allow an argument")
n = node_factory.get_node(options={
'plugin': plugin_path,
'str_optm': ['ok', 'ok2'],
'int_optm': [11, 12, 13],
})
assert n.daemon.is_in_log(r"option str_optm \['ok', 'ok2'\] <class 'list'>")
assert n.daemon.is_in_log(r"option int_optm \[11, 12, 13\] <class 'list'>")
n.stop()
def test_millisatoshi_passthrough(node_factory):
""" Ensure that Millisatoshi arguments and return work.
"""
plugin_path = os.path.join(os.getcwd(), 'tests/plugins/millisatoshis.py')
n = node_factory.get_node(options={'plugin': plugin_path, 'log-level': 'io'})
# By keyword (plugin literally returns Millisatoshi, which becomes a string)
ret = n.rpc.call('echo', {'msat': Millisatoshi(17), 'not_an_msat': '22msat'})['echo_msat']
assert Millisatoshi(ret) == Millisatoshi(17)
# By position
ret = n.rpc.call('echo', [Millisatoshi(18), '22msat'])['echo_msat']
assert Millisatoshi(ret) == Millisatoshi(18)
def test_rpc_passthrough(node_factory):
"""Starting with a plugin exposes its RPC methods.
First check that the RPC method appears in the help output and
then try to call it.
"""
plugin_path = os.path.join(os.getcwd(), 'contrib/plugins/helloworld.py')
n = node_factory.get_node(options={'plugin': plugin_path, 'greeting': 'Ciao'})
# Make sure that the 'hello' command that the helloworld.py plugin
# has registered is available.
cmd = [hlp for hlp in n.rpc.help()['help'] if 'hello' in hlp['command']]
assert(len(cmd) == 1)
# Make sure usage message is present.
assert only_one(n.rpc.help('hello')['help'])['command'] == 'hello [name]'
# While we're at it, let's check that helloworld.py is logging
# correctly via the notifications plugin->lightningd
assert n.daemon.is_in_log('Plugin helloworld.py initialized')
# Now try to call it and see what it returns:
greet = n.rpc.hello(name='World')
assert(greet == "Ciao World")
with pytest.raises(RpcError):
n.rpc.fail()
# Try to call a method without enough arguments
with pytest.raises(RpcError, match="processing bye: missing a required"
" argument"):
n.rpc.bye()
def test_plugin_dir(node_factory):
"""--plugin-dir works"""
plugin_dir = os.path.join(os.getcwd(), 'contrib/plugins')
node_factory.get_node(options={'plugin-dir': plugin_dir, 'greeting': 'Mars'})
def test_plugin_slowinit(node_factory):
"""Tests that the 'plugin' RPC command times out if plugin doesnt respond"""
os.environ['SLOWINIT_TIME'] = '61'
n = node_factory.get_node()
with pytest.raises(RpcError, match=': timed out before replying to init'):
n.rpc.plugin_start(os.path.join(os.getcwd(), "tests/plugins/slow_init.py"))
# It's not actually configured yet, see what happens;
# make sure 'rescan' and 'list' controls dont crash
n.rpc.plugin_rescan()
n.rpc.plugin_list()
def test_plugin_command(node_factory):
"""Tests the 'plugin' RPC command"""
n = node_factory.get_node()
# Make sure that the 'hello' command from the helloworld.py plugin
# is not available.
cmd = [hlp for hlp in n.rpc.help()["help"] if "hello" in hlp["command"]]
assert(len(cmd) == 0)
# Add the 'contrib/plugins' test dir
n.rpc.plugin_startdir(directory=os.path.join(os.getcwd(), "contrib/plugins"))
# Make sure that the 'hello' command from the helloworld.py plugin
# is now available.
cmd = [hlp for hlp in n.rpc.help()["help"] if "hello" in hlp["command"]]
assert(len(cmd) == 1)
# Make sure 'rescan' and 'list' subcommands dont crash
n.rpc.plugin_rescan()
n.rpc.plugin_list()
# Make sure the plugin behaves normally after stop and restart
assert("Successfully stopped helloworld.py."
== n.rpc.plugin_stop(plugin="helloworld.py")["result"])
n.daemon.wait_for_log(r"Killing plugin: stopped by lightningd via RPC")
n.rpc.plugin_start(plugin=os.path.join(os.getcwd(), "contrib/plugins/helloworld.py"))
n.daemon.wait_for_log(r"Plugin helloworld.py initialized")
assert("Hello world" == n.rpc.call(method="hello"))
# Now stop the helloworld plugin
assert("Successfully stopped helloworld.py."
== n.rpc.plugin_stop(plugin="helloworld.py")["result"])
n.daemon.wait_for_log(r"Killing plugin: stopped by lightningd via RPC")
# Make sure that the 'hello' command from the helloworld.py plugin
# is not available anymore.
cmd = [hlp for hlp in n.rpc.help()["help"] if "hello" in hlp["command"]]
assert(len(cmd) == 0)
# Test that we cannot start a plugin with 'dynamic' set to False in
# getmanifest
with pytest.raises(RpcError, match=r"Not a dynamic plugin"):
n.rpc.plugin_start(plugin=os.path.join(os.getcwd(), "tests/plugins/static.py"))
# Test that we cannot stop a started plugin with 'dynamic' flag set to
# False
n2 = node_factory.get_node(options={
"plugin": os.path.join(os.getcwd(), "tests/plugins/static.py")
})
with pytest.raises(RpcError, match=r"static.py cannot be managed when lightningd is up"):
n2.rpc.plugin_stop(plugin="static.py")
# Test that we don't crash when starting a broken plugin
with pytest.raises(RpcError, match=r": exited before replying to getmanifest"):
n2.rpc.plugin_start(plugin=os.path.join(os.getcwd(), "tests/plugins/broken.py"))
with pytest.raises(RpcError, match=r': timed out before replying to getmanifest'):
n2.rpc.plugin_start(os.path.join(os.getcwd(), 'contrib/plugins/fail/failtimeout.py'))
# Test that we can add a directory with more than one new plugin in it.
try:
n.rpc.plugin_startdir(os.path.join(os.getcwd(), "contrib/plugins"))
except RpcError:
pass
# Usually, it crashes after the above return.
n.rpc.stop()
def test_plugin_fail_on_startup(node_factory):
for crash in ('during_init', 'before_start', 'during_getmanifest'):
os.environ['BROKEN_CRASH'] = crash
n = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), "tests/plugins/broken.py")})
# This can happen before 'Server started with public key' msg
n.daemon.logsearch_start = 0
n.daemon.wait_for_log('plugin-broken.py: Traceback')
# Make sure they don't die *after* the message!
time.sleep(30)
def test_plugin_disable(node_factory):
"""--disable-plugin works"""
plugin_dir = os.path.join(os.getcwd(), 'contrib/plugins')
# We used to need plugin-dir before disable-plugin!
n = node_factory.get_node(options=OrderedDict([('plugin-dir', plugin_dir),
('disable-plugin',
'{}/helloworld.py'
.format(plugin_dir))]))
with pytest.raises(RpcError):
n.rpc.hello(name='Sun')
assert n.daemon.is_in_log('helloworld.py: disabled via disable-plugin')
n.stop()
# Also works by basename.
n = node_factory.get_node(options=OrderedDict([('plugin-dir', plugin_dir),
('disable-plugin',
'helloworld.py')]))
with pytest.raises(RpcError):
n.rpc.hello(name='Sun')
assert n.daemon.is_in_log('helloworld.py: disabled via disable-plugin')
n.stop()
# Other order also works!
n = node_factory.get_node(options=OrderedDict([('disable-plugin',
'helloworld.py'),
('plugin-dir', plugin_dir)]))
with pytest.raises(RpcError):
n.rpc.hello(name='Sun')
assert n.daemon.is_in_log('helloworld.py: disabled via disable-plugin')
n.stop()
# Both orders of explicit specification work.
n = node_factory.get_node(options=OrderedDict([('disable-plugin',
'helloworld.py'),
('plugin',
'{}/helloworld.py'
.format(plugin_dir))]))
with pytest.raises(RpcError):
n.rpc.hello(name='Sun')
assert n.daemon.is_in_log('helloworld.py: disabled via disable-plugin')
n.stop()
# Both orders of explicit specification work.
n = node_factory.get_node(options=OrderedDict([('plugin',
'{}/helloworld.py'
.format(plugin_dir)),
('disable-plugin',
'helloworld.py')]))
with pytest.raises(RpcError):
n.rpc.hello(name='Sun')
assert n.daemon.is_in_log('helloworld.py: disabled via disable-plugin')
# Still disabled if we load directory.
n.rpc.plugin_startdir(directory=os.path.join(os.getcwd(), "contrib/plugins"))
n.daemon.wait_for_log('helloworld.py: disabled via disable-plugin')
n.stop()
# Check that list works
n = node_factory.get_node(options={'disable-plugin':
['something-else.py', 'helloworld.py']})
assert n.rpc.listconfigs()['configs']['disable-plugin'] == {'values_str': ['something-else.py', 'helloworld.py'], 'sources': ['cmdline', 'cmdline']}
def test_plugin_hook(node_factory, executor):
"""The helloworld plugin registers a htlc_accepted hook.
The hook will sleep for a few seconds and log a
message. `lightningd` should wait for the response and only then
complete the payment.
"""
l1, l2 = node_factory.line_graph(2, opts={'plugin': os.path.join(os.getcwd(), 'contrib/plugins/helloworld.py')})
start_time = time.time()
f = executor.submit(l1.pay, l2, 100000)
l2.daemon.wait_for_log(r'on_htlc_accepted called')
# The hook will sleep for 20 seconds before answering, so `f`
# should take at least that long.
f.result()
end_time = time.time()
assert(end_time >= start_time + 20)
def test_plugin_connect_notifications(node_factory):
""" test 'connect' and 'disconnect' notifications
"""
l1, l2 = node_factory.get_nodes(2, opts={'plugin': os.path.join(os.getcwd(), 'contrib/plugins/helloworld.py')})
l1.connect(l2)
l1.daemon.wait_for_log(r'Received connect event')
l2.daemon.wait_for_log(r'Received connect event')
l2.rpc.disconnect(l1.info['id'])
l1.daemon.wait_for_log(r'Received disconnect event')
l2.daemon.wait_for_log(r'Received disconnect event')
def test_failing_plugins(directory):
fail_plugins = [
os.path.join(os.getcwd(), 'contrib/plugins/fail/failtimeout.py'),
os.path.join(os.getcwd(), 'contrib/plugins/fail/doesnotexist.py'),
]
for p in fail_plugins:
with pytest.raises(subprocess.CalledProcessError):
subprocess.check_output([
'lightningd/lightningd',
'--lightning-dir={}'.format(directory),
'--plugin={}'.format(p),
'--help',
])
def test_pay_plugin(node_factory):
l1, l2 = node_factory.line_graph(2)
inv = l2.rpc.invoice(123000, 'label', 'description', 3700)
res = l1.rpc.pay(bolt11=inv['bolt11'])
assert res['status'] == 'complete'
with pytest.raises(RpcError, match=r'missing required parameter'):
l1.rpc.call('pay')
# Make sure usage messages are present.
msg = 'pay bolt11 [amount_msat] [label] [riskfactor] [maxfeepercent] '\
'[retry_for] [maxdelay] [exemptfee] [localinvreqid] [exclude] '\
'[maxfee] [description] [partial_msat]'
# We run with --developer:
msg += ' [dev_use_shadow]'
assert only_one(l1.rpc.help('pay')['help'])['command'] == msg
def test_plugin_connected_hook_chaining(node_factory):
""" l1 uses the logger_a, reject and logger_b plugin.
l1 is configured to accept connections from l2, but not from l3.
we check that logger_a is always called and logger_b only for l2.
"""
opts = [{'plugin':
[os.path.join(os.getcwd(),
'tests/plugins/peer_connected_logger_a.py'),
os.path.join(os.getcwd(),
'tests/plugins/reject.py'),
os.path.join(os.getcwd(),
'tests/plugins/peer_connected_logger_b.py')],
'allow_warning': True},
{},
{'allow_warning': True}]
l1, l2, l3 = node_factory.get_nodes(3, opts=opts)
l2id = l2.info['id']
l3id = l3.info['id']
l1.rpc.reject(l3.info['id'])
l2.connect(l1)
l1.daemon.wait_for_logs([
f"peer_connected_logger_a {l2id}",
f"{l2id} is allowed",
f"peer_connected_logger_b {l2id}"
])
assert len(l1.rpc.listpeers(l2id)['peers']) == 1
# If reject happens fast enough, connect fails with "disconnected
# during connection"
try:
l3.connect(l1)
except RpcError as err:
assert "disconnected during connection" in err.error['message']
l1.daemon.wait_for_logs([
f"peer_connected_logger_a {l3id}",
f"{l3id} is in reject list"
])
# FIXME: this error occurs *after* connection, so we connect then drop.
l3.daemon.wait_for_log(r"-connectd: peer_in WIRE_WARNING")
l3.daemon.wait_for_log(r"You are in reject list")
def check_disconnect():
peers = l1.rpc.listpeers(l3id)['peers']
return peers == [] or not peers[0]['connected']
wait_for(check_disconnect)
assert not l1.daemon.is_in_log(f"peer_connected_logger_b {l3id}")
def test_peer_connected_remote_addr(node_factory):
"""This tests the optional tlv `remote_addr` being passed to a plugin.
The optional tlv `remote_addr` should only be visible to the initiator l1.
"""
pluginpath = os.path.join(os.getcwd(), 'tests/plugins/peer_connected_logger_a.py')
l1, l2 = node_factory.get_nodes(2, opts={
'plugin': pluginpath,
'dev-allow-localhost': None})
l1id = l1.info['id']
l2id = l2.info['id']
l1.connect(l2)
l1log = l1.daemon.wait_for_log(f"peer_connected_logger_a {l2id}")
l2log = l2.daemon.wait_for_log(f"peer_connected_logger_a {l1id}")
# the log entries are followed by the peer_connected payload as dict {} like:
# {'id': '022d223...', 'direction': 'out', 'addr': '127.0.0.1:35289',
# 'remote_addr': '127.0.0.1:59582', 'features': '8808226aa2'}
l1payload = eval(l1log[l1log.find('{'):])
l2payload = eval(l2log[l2log.find('{'):])
# check that l1 sees its remote_addr as l2 sees l1
assert(l1payload['remote_addr'] == l2payload['addr'])
assert(not l2payload.get('remote_addr')) # l2 can't see a remote_addr
def test_async_rpcmethod(node_factory, executor):
"""This tests the async rpcmethods.
It works in conjunction with the `asynctest` plugin which stashes
requests and then resolves all of them on the fifth call.
"""
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/asynctest.py')})
results = []
for i in range(10):
results.append(executor.submit(l1.rpc.asyncqueue))
time.sleep(3)
# None of these should have returned yet
assert len([r for r in results if r.done()]) == 0
# This last one triggers the release and all results should be 42,
# since the last number is returned for all
l1.rpc.asyncflush(42)
assert [r.result() for r in results] == [42] * len(results)
@unittest.skipIf(os.getenv('TEST_DB_PROVIDER', 'sqlite3') != 'sqlite3', "Only sqlite3 implements the db_write_hook currently")
def test_db_hook(node_factory, executor):
"""This tests the db hook."""
dbfile = os.path.join(node_factory.directory, "dblog.sqlite3")
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/dblog.py'),
'dblog-file': dbfile})
# It should see the db being created, and sometime later actually get
# initted.
# This precedes startup, so needle already past
assert l1.daemon.is_in_log(r'plugin-dblog.py: deferring \d+ commands')
l1.daemon.logsearch_start = 0
l1.daemon.wait_for_log('plugin-dblog.py: replaying pre-init data:')
l1.daemon.wait_for_log('plugin-dblog.py: CREATE TABLE version \\(version INTEGER\\)')
l1.daemon.wait_for_log("plugin-dblog.py: initialized.* 'startup': True")
l1.stop()
# Databases should be identical.
db1 = sqlite3.connect(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'lightningd.sqlite3'))
db2 = sqlite3.connect(dbfile)
assert [x for x in db1.iterdump()] == [x for x in db2.iterdump()]
@unittest.skipIf(os.getenv('TEST_DB_PROVIDER', 'sqlite3') != 'sqlite3', "Only sqlite3 implements the db_write_hook currently")
def test_db_hook_multiple(node_factory, executor):
"""This tests the db hook for multiple-plugin case."""
dbfile = os.path.join(node_factory.directory, "dblog.sqlite3")
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/dblog.py'),
'important-plugin': os.path.join(os.getcwd(), 'tests/plugins/dbdummy.py'),
'dblog-file': dbfile})
# It should see the db being created, and sometime later actually get
# initted.
# This precedes startup, so needle already past
assert l1.daemon.is_in_log(r'plugin-dblog.py: deferring \d+ commands')
l1.daemon.logsearch_start = 0
l1.daemon.wait_for_log('plugin-dblog.py: replaying pre-init data:')
l1.daemon.wait_for_log('plugin-dblog.py: CREATE TABLE version \\(version INTEGER\\)')
l1.daemon.wait_for_log("plugin-dblog.py: initialized.* 'startup': True")
l1.stop()
# Databases should be identical.
db1 = sqlite3.connect(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'lightningd.sqlite3'))
db2 = sqlite3.connect(dbfile)
assert [x for x in db1.iterdump()] == [x for x in db2.iterdump()]
def test_utf8_passthrough(node_factory, executor):
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/utf8.py'),
'log-level': 'io'})
# This works because Python unmangles.
res = l1.rpc.call('utf8', ['ナンセンス 1杯'])
assert '\\u' not in res['utf8']
assert res['utf8'] == 'ナンセンス 1杯'
# Now, try native.
out = subprocess.check_output(['cli/lightning-cli',
'--network={}'.format(TEST_NETWORK),
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'utf8', 'ナンセンス 1杯']).decode('utf-8')
assert '\\u' not in out
assert out == '{\n "utf8": "ナンセンス 1杯"\n}\n'
def test_invoice_payment_hook(node_factory):
""" l1 uses the reject-payment plugin to reject invoices with odd preimages.
"""
opts = [{}, {'plugin': os.path.join(os.getcwd(), 'tests/plugins/reject_some_invoices.py')}]
l1, l2 = node_factory.line_graph(2, opts=opts)
# This one works
inv1 = l2.rpc.invoice(1230, 'label', 'description', preimage='1' * 64)
l1.rpc.pay(inv1['bolt11'])
l2.daemon.wait_for_log('label=label')
l2.daemon.wait_for_log('msat=')
l2.daemon.wait_for_log('preimage=' + '1' * 64)
# This one will be rejected.
inv2 = l2.rpc.invoice(1230, 'label2', 'description', preimage='0' * 64)
with pytest.raises(RpcError):
l1.rpc.pay(inv2['bolt11'])
pstatus = l1.rpc.call('paystatus', [inv2['bolt11']])['pay'][0]
assert pstatus['attempts'][-1]['failure']['data']['failcodename'] == 'WIRE_TEMPORARY_NODE_FAILURE'
l2.daemon.wait_for_log('label=label2')
l2.daemon.wait_for_log('msat=')
l2.daemon.wait_for_log('preimage=' + '0' * 64)
def test_invoice_payment_hook_hold(node_factory):
""" l1 uses the hold_invoice plugin to delay invoice payment.
"""
opts = [{}, {'plugin': os.path.join(os.getcwd(), 'tests/plugins/hold_invoice.py'), 'holdtime': TIMEOUT / 2}]
l1, l2 = node_factory.line_graph(2, opts=opts)
inv1 = l2.rpc.invoice(1230, 'label', 'description', preimage='1' * 64)
l1.rpc.pay(inv1['bolt11'])
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_openchannel_hook(node_factory, bitcoind):
""" l2 uses the reject_odd_funding_amounts plugin to reject some openings.
"""
opts = [{}, {'plugin': os.path.join(os.getcwd(), 'tests/plugins/reject_odd_funding_amounts.py')}]
l1, l2 = node_factory.line_graph(2, fundchannel=False, opts=opts)
l1.fundwallet(10**6)
# Even amount: works.
l1.rpc.fundchannel(l2.info['id'], 100000)
# Make sure plugin got all the vars we expect
expected = {
'channel_flags': '1',
'dust_limit_msat': 546000,
'htlc_minimum_msat': 0,
'id': l1.info['id'],
'max_accepted_htlcs': '483',
'max_htlc_value_in_flight_msat': 18446744073709551615,
'to_self_delay': '5',
}
if 'anchors/even' in only_one(l1.rpc.listpeerchannels()['channels'])['channel_type']['names']:
feerate = 3750
else:
feerate = 7500
if l2.config('experimental-dual-fund'):
# openchannel2 var checks
expected.update({
'channel_id': '.*',
'channel_max_msat': 2100000000000000000,
'commitment_feerate_per_kw': feerate,
'funding_feerate_per_kw': '7500',
'feerate_our_max': '150000',
'feerate_our_min': '1875',
'locktime': '.*',
'require_confirmed_inputs': False,
'their_funding_msat': 100000000,
})
else:
expected.update({
'channel_reserve_msat': 1000000,
'feerate_per_kw': feerate,
'funding_msat': 100000000,
'push_msat': 0,
})
l2.daemon.wait_for_log('reject_odd_funding_amounts.py: {} VARS'.format(len(expected)))
for k, v in expected.items():
assert l2.daemon.is_in_log('reject_odd_funding_amounts.py: {}={}'.format(k, v))
# Close it.
txid = l1.rpc.close(l2.info['id'])['txid']
bitcoind.generate_block(1, txid)
wait_for(lambda: [c['state'] for c in l1.rpc.listpeerchannels(l2.info['id'])['channels']] == ['ONCHAIN'])
# Odd amount: fails
l1.connect(l2)
with pytest.raises(RpcError, match=r"I don't like odd amounts"):
l1.rpc.fundchannel(l2.info['id'], 100001)
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_openchannel_hook_error_handling(node_factory, bitcoind):
""" l2 uses a plugin that should fatal() crash the node.
This is because the plugin rejects a channel while
also setting a close_to address which isn't allowed.
"""
opts = {'plugin': os.path.join(os.getcwd(), 'tests/plugins/openchannel_hook_accepter.py')}
# openchannel_reject_but_set_close_to.py')}
l1 = node_factory.get_node()
l2 = node_factory.get_node(options=opts,
expect_fail=True,
broken_log='lightningd: ',
may_fail=True)
l1.connect(l2)
l1.fundwallet(10**6)
# next fundchannel should fail fatal() for l2
with pytest.raises(RpcError, match=r'Owning subdaemon (openingd|dualopend) died'):
l1.rpc.fundchannel(l2.info['id'], 100004)
assert l2.daemon.is_in_log("BROKEN.*Plugin rejected openchannel[2]? but also set close_to")
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_openchannel_hook_chaining(node_factory, bitcoind):
""" l2 uses a set of plugin that all use the openchannel_hook.
We test that chaining works by using multiple plugins in a way
that we check for the first plugin that rejects prevents from evaluating
further plugin responses down the chain.
"""
opts = [{}, {'plugin': [
os.path.join(os.path.dirname(__file__), '..', 'tests/plugins/openchannel_hook_accept.py'),
os.path.join(os.path.dirname(__file__), '..', 'tests/plugins/openchannel_hook_accepter.py'),
os.path.join(os.path.dirname(__file__), '..', 'tests/plugins/openchannel_hook_reject.py')
]}]
l1, l2 = node_factory.line_graph(2, fundchannel=False, opts=opts)
l1.fundwallet(10**6)
hook_msg = "openchannel2? hook rejects and says '"
# 100005sat fundchannel should fail fatal() for l2
# because hook_accepter.py rejects on that amount 'for a reason'
with pytest.raises(RpcError, match=r'reject for a reason'):
l1.rpc.fundchannel(l2.info['id'], 100005)
assert l2.daemon.wait_for_log(hook_msg + "reject for a reason")
# first plugin in the chain was called
assert l2.daemon.is_in_log("accept on principle")
# the third plugin must now not be called anymore
assert not l2.daemon.is_in_log("reject on principle")
assert only_one(l1.rpc.listpeers()['peers'])['connected']
# 100000sat is good for hook_accepter, so it should fail 'on principle'
# at third hook openchannel_reject.py
with pytest.raises(RpcError, match=r'reject on principle'):
l1.rpc.fundchannel(l2.info['id'], 100000)
assert l2.daemon.wait_for_log(hook_msg + "reject on principle")
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_channel_state_changed_bilateral(node_factory, bitcoind):
""" We open and close a channel and check notifications both sides.
The misc_notifications.py plugin logs `channel_state_changed` events.
"""
opts = {"plugin": os.path.join(os.getcwd(), "tests/plugins/misc_notifications.py")}
l1, l2 = node_factory.line_graph(2, opts=opts)
l1_id = l1.rpc.getinfo()["id"]
l2_id = l2.rpc.getinfo()["id"]
cid = l1.get_channel_id(l2)
scid = l1.get_channel_scid(l2)
# a helper that gives us the next channel_state_changed log entry
def wait_for_event(node):
msg = node.daemon.wait_for_log("channel_state_changed.*new_state.*")
event = ast.literal_eval(re.findall(".*({.*}).*", msg)[0])
return event
# check channel 'opener' and 'closer' within this testcase ...
assert(l1.rpc.listpeerchannels()['channels'][0]['opener'] == 'local')
assert(l2.rpc.listpeerchannels()['channels'][0]['opener'] == 'remote')
# the 'closer' should be missing initially
assert 'closer' not in l1.rpc.listpeerchannels()['channels'][0]
assert 'closer' not in l2.rpc.listpeerchannels()['channels'][0]
if l1.config('experimental-dual-fund'):
# Dual funded channels go through three state transitions.
event1a, event1b, event1c = wait_for_event(l1), wait_for_event(l1), wait_for_event(l1)
event2a, event2b, event2c = wait_for_event(l2), wait_for_event(l2), wait_for_event(l2)
for ev in [event1a, event1b]:
assert(ev['peer_id'] == l2_id) # we only test these IDs the first time
assert(ev['channel_id'] == cid)
assert(ev['short_channel_id'] is None) # None until locked in
assert(ev['cause'] == "remote")
for ev in [event2a, event2b]:
assert(ev['peer_id'] == l1_id) # we only test these IDs the first time
assert(ev['channel_id'] == cid)
assert(ev['short_channel_id'] is None) # None until locked in
assert(ev['cause'] == "remote")
for ev in [event1a, event2a]:
assert(ev['old_state'] == "DUALOPEND_OPEN_INIT")
assert(ev['new_state'] == "DUALOPEND_OPEN_COMMIT_READY")
assert(ev['message'] == "Ready to send our commitment sigs")
for ev in [event1b, event2b]:
assert(ev['old_state'] == "DUALOPEND_OPEN_COMMIT_READY")
assert(ev['new_state'] == "DUALOPEND_OPEN_COMMITTED")
assert(ev['message'] == "Commitment transaction committed")
for ev in [event1c, event2c]:
assert(ev['old_state'] == "DUALOPEND_OPEN_COMMITTED")
assert(ev['new_state'] == "DUALOPEND_AWAITING_LOCKIN")
assert(ev['message'] == "Sigs exchanged, waiting for lock-in")
else:
event1 = wait_for_event(l1)
event2 = wait_for_event(l2)
assert(event1['peer_id'] == l2_id) # we only test these IDs the first time
assert(event1['channel_id'] == cid)
assert(event1['short_channel_id'] is None) # None until locked in
assert(event1['cause'] == "user")
assert(event2['peer_id'] == l1_id) # we only test these IDs the first time
assert(event2['channel_id'] == cid)
assert(event2['short_channel_id'] is None) # None until locked in
assert(event2['cause'] == "remote")
for ev in [event1, event2]:
assert(ev['old_state'] == "unknown")
assert(ev['new_state'] == "CHANNELD_AWAITING_LOCKIN")
assert(ev['message'] == "new channel opened")
event1 = wait_for_event(l1)
event2 = wait_for_event(l2)
assert(event1['short_channel_id'] == scid)
if l1.config('experimental-dual-fund'):
assert(event1['old_state'] == "DUALOPEND_AWAITING_LOCKIN")
else:
assert(event1['old_state'] == "CHANNELD_AWAITING_LOCKIN")
assert(event1['new_state'] == "CHANNELD_NORMAL")
assert(event1['cause'] == "user")
assert(event1['message'] == "Lockin complete")
assert(event2['short_channel_id'] == scid)
if l1.config('experimental-dual-fund'):
assert(event2['old_state'] == "DUALOPEND_AWAITING_LOCKIN")
else:
assert(event2['old_state'] == "CHANNELD_AWAITING_LOCKIN")
assert(event2['new_state'] == "CHANNELD_NORMAL")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Lockin complete")
# also test the correctness of timestamps once
assert(datetime.strptime(event1['timestamp'], '%Y-%m-%dT%H:%M:%S.%fZ'))
assert(datetime.strptime(event2['timestamp'], '%Y-%m-%dT%H:%M:%S.%fZ'))
# close channel and look for stateful events
l1.rpc.close(scid)
event1 = wait_for_event(l1)
assert(event1['old_state'] == "CHANNELD_NORMAL")
assert(event1['new_state'] == "CHANNELD_SHUTTING_DOWN")
assert(event1['cause'] == "user")
assert(event1['message'] == "User or plugin invoked close command")
event2 = wait_for_event(l2)
assert(event2['old_state'] == "CHANNELD_NORMAL")
assert(event2['new_state'] == "CHANNELD_SHUTTING_DOWN")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Peer closes channel")
# 'closer' should now be set accordingly ...
assert(l1.rpc.listpeerchannels()['channels'][0]['closer'] == 'local')
assert(l2.rpc.listpeerchannels()['channels'][0]['closer'] == 'remote')
event1 = wait_for_event(l1)
assert(event1['old_state'] == "CHANNELD_SHUTTING_DOWN")
assert(event1['new_state'] == "CLOSINGD_SIGEXCHANGE")
assert(event1['cause'] == "user")
assert(event1['message'] == "Start closingd")
event2 = wait_for_event(l2)
assert(event2['old_state'] == "CHANNELD_SHUTTING_DOWN")
assert(event2['new_state'] == "CLOSINGD_SIGEXCHANGE")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Start closingd")
event1 = wait_for_event(l1)
assert(event1['old_state'] == "CLOSINGD_SIGEXCHANGE")
assert(event1['new_state'] == "CLOSINGD_COMPLETE")
assert(event1['cause'] == "user")
assert(event1['message'] == "Closing complete")
event2 = wait_for_event(l2)
assert(event2['old_state'] == "CLOSINGD_SIGEXCHANGE")
assert(event2['new_state'] == "CLOSINGD_COMPLETE")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Closing complete")
bitcoind.generate_block(100, wait_for_mempool=1) # so it gets settled
event1 = wait_for_event(l1)
assert(event1['old_state'] == "CLOSINGD_COMPLETE")
assert(event1['new_state'] == "FUNDING_SPEND_SEEN")
assert(event1['cause'] == "user")
assert(event1['message'] == "Onchain funding spend")
event2 = wait_for_event(l2)
assert(event2['old_state'] == "CLOSINGD_COMPLETE")
assert(event2['new_state'] == "FUNDING_SPEND_SEEN")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Onchain funding spend")
event1 = wait_for_event(l1)
assert(event1['old_state'] == "FUNDING_SPEND_SEEN")
assert(event1['new_state'] == "ONCHAIN")
assert(event1['cause'] == "user")
assert(event1['message'] == "Onchain init reply")
event2 = wait_for_event(l2)
assert(event2['old_state'] == "FUNDING_SPEND_SEEN")
assert(event2['new_state'] == "ONCHAIN")
assert(event2['cause'] == "remote")
assert(event2['message'] == "Onchain init reply")
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_channel_state_changed_unilateral(node_factory, bitcoind):
""" We open, disconnect, force-close a channel and check for notifications.
The misc_notifications.py plugin logs `channel_state_changed` events.
"""
opts = {"plugin": os.path.join(os.getcwd(), "tests/plugins/misc_notifications.py"),
"allow_warning": True,
'may_reconnect': True}
l1, l2 = node_factory.line_graph(2, opts=opts)
l1_id = l1.rpc.getinfo()["id"]
cid = l1.get_channel_id(l2)
scid = l1.get_channel_scid(l2)
# a helper that gives us the next channel_state_changed log entry
def wait_for_event(node):
msg = node.daemon.wait_for_log("channel_state_changed.*new_state.*")
event = ast.literal_eval(re.findall(".*({.*}).*", msg)[0])
return event
event2 = wait_for_event(l2)
assert(event2['peer_id'] == l1_id)
assert(event2['channel_id'] == cid)
assert(event2['short_channel_id'] is None)
assert(event2['cause'] == "remote")
if l2.config('experimental-dual-fund'):
assert(event2['old_state'] == "DUALOPEND_OPEN_INIT")
assert(event2['new_state'] == "DUALOPEND_OPEN_COMMIT_READY")
assert(event2['message'] == "Ready to send our commitment sigs")
event2 = wait_for_event(l2)
assert event2['old_state'] == "DUALOPEND_OPEN_COMMIT_READY"
assert event2['new_state'] == "DUALOPEND_OPEN_COMMITTED"
assert event2['message'] == "Commitment transaction committed"
event2 = wait_for_event(l2)
assert event2['old_state'] == "DUALOPEND_OPEN_COMMITTED"
assert event2['new_state'] == "DUALOPEND_AWAITING_LOCKIN"
assert event2['message'] == "Sigs exchanged, waiting for lock-in"
else:
assert(event2['old_state'] == "unknown")
assert(event2['new_state'] == "CHANNELD_AWAITING_LOCKIN")
assert(event2['message'] == "new channel opened")
event2 = wait_for_event(l2)
assert(event2['short_channel_id'] == scid)