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core-lightning/tests/test_gossip.py
Rusty Russell bb400238b1 gossipd: always ask first peer for all the gossip. 
This is a hack, but we've had nodes missing gossip.  LDK does this,
so until we get a better workaround, use this one.

Changelog-Changed: Protocol: we now always ask the first peer for all its gossip.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 10:15:03 +09:30

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from collections import Counter
from fixtures import * # noqa: F401,F403
from fixtures import TEST_NETWORK
from pyln.client import RpcError, Millisatoshi
from utils import (
wait_for, TIMEOUT, only_one, sync_blockheight,
expected_node_features,
mine_funding_to_announce, default_ln_port, CHANNEL_SIZE,
first_scid,
)
import json
import logging
import math
import os
import pytest
import struct
import subprocess
import time
import unittest
import socket
with open('config.vars') as configfile:
config = dict([(line.rstrip().split('=', 1)) for line in configfile])
def test_gossip_pruning(node_factory, bitcoind):
""" Create channel and see it being updated in time before pruning
"""
l1, l2, l3 = node_factory.get_nodes(3, opts={'dev-fast-gossip-prune': None,
'allow_bad_gossip': True})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
scid1, _ = l1.fundchannel(l2, 10**6)
scid2, _ = l2.fundchannel(l3, 10**6)
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# Channels should be activated locally
wait_for(lambda: [c['active'] for c in l1.rpc.listchannels()['channels']] == [True] * 4)
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels()['channels']] == [True] * 4)
wait_for(lambda: [c['active'] for c in l3.rpc.listchannels()['channels']] == [True] * 4)
# All of them should send a keepalive message (after 30 seconds)
l1.daemon.wait_for_logs([
'Sending keepalive channel_update for {}'.format(scid1),
], timeout=50)
l2.daemon.wait_for_logs([
'Sending keepalive channel_update for {}'.format(scid1),
'Sending keepalive channel_update for {}'.format(scid2),
])
l3.daemon.wait_for_logs([
'Sending keepalive channel_update for {}'.format(scid2),
])
# Now kill l2, so that l1 and l3 will prune from their view after 60 seconds
l2.stop()
# We check every 60/4 seconds, and takes 60 seconds since last update.
l1.daemon.wait_for_log("Pruning channel {} from network view".format(scid2),
timeout=80)
l3.daemon.wait_for_log("Pruning channel {} from network view".format(scid1))
assert scid2 not in [c['short_channel_id'] for c in l1.rpc.listchannels()['channels']]
assert scid1 not in [c['short_channel_id'] for c in l3.rpc.listchannels()['channels']]
assert l3.info['id'] not in [n['nodeid'] for n in l1.rpc.listnodes()['nodes']]
assert l1.info['id'] not in [n['nodeid'] for n in l3.rpc.listnodes()['nodes']]
def test_gossip_disable_channels(node_factory, bitcoind):
"""Simple test to check that channels get disabled correctly on disconnect and
reenabled upon reconnecting
"""
opts = {'dev-no-reconnect': None, 'may_reconnect': True}
l1, l2 = node_factory.get_nodes(2, opts=opts)
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
scid, _ = l1.fundchannel(l2, 10**6)
bitcoind.generate_block(5)
def count_active(node):
chans = node.rpc.listchannels()['channels']
active = [c for c in chans if c['active']]
connected = len([p for p in node.rpc.listpeerchannels()['channels'] if p['peer_connected'] is True])
return connected * len(active)
l1.wait_channel_active(scid)
l2.wait_channel_active(scid)
assert(count_active(l1) == 2)
assert(count_active(l2) == 2)
l2.restart()
wait_for(lambda: count_active(l1) == 0)
assert(count_active(l2) == 0)
# Now reconnect, they should re-enable the channels
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
wait_for(lambda: count_active(l1) == 2)
wait_for(lambda: count_active(l2) == 2)
def test_announce_address(node_factory, bitcoind):
"""Make sure our announcements are well formed."""
# We do not allow announcement of duplicates.
opts = {'announce-addr':
['4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.onion',
'1.2.3.4:1234',
'dns:example.com:1236',
'::'],
'log-level': 'io',
'dev-allow-localhost': None}
l1, l2 = node_factory.get_nodes(2, opts=[opts, {}])
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
scid, _ = l1.fundchannel(l2, 10**6)
bitcoind.generate_block(5)
l1.wait_channel_active(scid)
l2.wait_channel_active(scid)
# We should see it send node announce with all addresses (257 = 0x0101)
# Note: local ephemeral port is masked out.
# Note: Since we `disable-dns` it should not announce a resolved IPv4
# or IPv6 address for example.com
#
# Also expect the address descriptor types to be sorted!
# BOLT #7:
# - MUST place address descriptors in ascending order.
l1.daemon.wait_for_log(r"\[OUT\] 0101.*0056"
"010102030404d2" # IPv4 01 1.2.3.4:1234
"017f000001...." # IPv4 01 127.0.0.1:wxyz
"0200000000000000000000000000000000...." # IPv6 02 :::<any_port>
"04e00533f3e8f2aedaa8969b3d0fa03a96e857bbb28064dca5e147e934244b9ba5023003...." # TORv3 04
"050b6578616d706c652e636f6d04d4") # DNS 05 len example.com:1236
# Check other node can parse these (make sure it has digested msg)
wait_for(lambda: 'addresses' in l2.rpc.listnodes(l1.info['id'])['nodes'][0])
addresses = l2.rpc.listnodes(l1.info['id'])['nodes'][0]['addresses']
addresses_dns = [address for address in addresses if address['type'] == 'dns']
assert len(addresses) == 5
assert len(addresses_dns) == 1
assert addresses_dns[0]['address'] == 'example.com'
assert addresses_dns[0]['port'] == 1236
def test_announce_dns_suppressed(node_factory, bitcoind):
"""By default announce DNS names as IPs"""
opts = {'announce-addr': 'example.com:1236',
'start': False}
l1, l2 = node_factory.get_nodes(2, opts=[opts, {}])
# Remove unwanted disable-dns option!
del l1.daemon.opts['disable-dns']
l1.start()
# Need a channel so l1 will announce itself.
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
scid, _ = l1.fundchannel(l2, 10**6)
bitcoind.generate_block(5)
# Wait for l2 to see l1, with addresses.
wait_for(lambda: l2.rpc.listnodes(l1.info['id'])['nodes'] != [])
wait_for(lambda: 'addresses' in only_one(l2.rpc.listnodes(l1.info['id'])['nodes']))
addresses = only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])['addresses']
assert len(addresses) == 1
assert addresses[0]['type'] in ['ipv4', 'ipv6']
assert addresses[0]['address'] != 'example.com'
assert addresses[0]['port'] == 1236
def test_announce_and_connect_via_dns(node_factory, bitcoind):
""" Test that DNS announcements propagate and can be used when connecting.
- First node announces only a FQDN like 'localhost.localdomain'.
- Second node gets a channel with first node.
- Third node just connects to second node.
- Fourth node with DNS disabled also connects to second node.
- Wait for gossip so third and fourth node sees first node.
- Third node must be able to 'resolve' 'localhost.localdomain'
and connect to first node.
- Fourth node must not be able to connect because he has disabled DNS.
Notes:
- --disable-dns is needed so the first node does not announce 127.0.0.1 itself.
- 'dev-allow-localhost' must not be set, so it does not resolve localhost anyway.
"""
opts1 = {'disable-dns': None,
'announce-addr': ['dns:localhost.localdomain:12345'], # announce dns
'bind-addr': ['127.0.0.1:12345', '[::1]:12345']} # and bind local IPs
opts3 = {'may_reconnect': True}
opts4 = {'disable-dns': None}
l1, l2, l3, l4 = node_factory.get_nodes(4, opts=[opts1, {}, opts3, opts4])
# In order to enable DNS on a pyln testnode we need to delete the
# 'disable-dns' opt (which is added by pyln test utils) and restart it.
del l3.daemon.opts['disable-dns']
l3.restart()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l3.rpc.connect(l2.info['id'], 'localhost', l2.port)
l4.rpc.connect(l2.info['id'], 'localhost', l2.port)
scid, _ = l1.fundchannel(l2, 10**6)
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# wait until l3 and l4 see l1 via gossip with announced addresses
wait_for(lambda: len(l3.rpc.listnodes(l1.info['id'])['nodes']) == 1)
wait_for(lambda: len(l4.rpc.listnodes(l1.info['id'])['nodes']) == 1)
wait_for(lambda: 'addresses' in l3.rpc.listnodes(l1.info['id'])['nodes'][0])
wait_for(lambda: 'addresses' in l4.rpc.listnodes(l1.info['id'])['nodes'][0])
addresses = l3.rpc.listnodes(l1.info['id'])['nodes'][0]['addresses']
assert(len(addresses) == 1) # no other addresses must be announced for this
assert(addresses[0]['type'] == 'dns')
assert(addresses[0]['address'] == 'localhost.localdomain')
assert(addresses[0]['port'] == 12345)
# now l3 must be able to use DNS to resolve and connect to l1
result = l3.rpc.connect(l1.info['id'])
assert result['id'] == l1.info['id']
assert result['direction'] == 'out'
assert result['address']['port'] == 12345
if result['address']['type'] == 'ipv4':
assert result['address']['address'] == '127.0.0.1'
elif result['address']['type'] == 'ipv6':
assert result['address']['address'] == '::1'
else:
assert False
# l4 however must not be able to connect because he used '--disable-dns'
# This raises RpcError code 401, currently with an empty error message.
with pytest.raises(RpcError, match=r"401.*dns disabled"):
l4.rpc.connect(l1.info['id'])
def test_only_announce_one_dns(node_factory, bitcoind):
# and test that we can't announce more than one DNS address
l1 = node_factory.get_node(expect_fail=True, start=False,
options={'announce-addr': ['dns:localhost.localdomain:12345', 'dns:example.com:12345']})
l1.daemon.start(wait_for_initialized=False, stderr_redir=True)
wait_for(lambda: l1.daemon.is_in_stderr("Only one DNS can be announced"))
def test_announce_dns_without_port(node_factory, bitcoind):
""" Checks that the port of a DNS announcement is set to the corresponding
network port. In this case regtest 19846
"""
opts = {'announce-addr': ['dns:example.com']}
l1 = node_factory.get_node(options=opts)
# 'address': [{'type': 'dns', 'address': 'example.com', 'port': 0}]
info = l1.rpc.getinfo()
assert info['address'][0]['type'] == 'dns'
assert info['address'][0]['address'] == 'example.com'
if TEST_NETWORK == 'regtest':
default_port = 19846
else:
assert TEST_NETWORK == 'liquid-regtest'
default_port = 20735
assert info['address'][0]['port'] == default_port
def test_gossip_timestamp_filter(node_factory, bitcoind, chainparams):
l1, l2, l3, l4 = node_factory.line_graph(4, fundchannel=False, opts={'log-level': 'io'})
genesis_blockhash = chainparams['chain_hash']
before_anything = int(time.time())
# Make a public channel.
chan12, _ = l1.fundchannel(l2, 10**5)
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4])
l3.wait_for_channel_updates([chan12])
after_12 = int(time.time())
# Make another one, different timestamp.
time.sleep(10)
before_23 = int(time.time())
chan23, _ = l2.fundchannel(l3, 10**5)
bitcoind.generate_block(5)
l1.wait_for_channel_updates([chan23])
after_23 = int(time.time()) + 1
# Make sure l4 has received all the gossip.
wait_for(lambda: ['alias' in node for node in l4.rpc.listnodes()['nodes']] == [True, True, True])
msgs = l4.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
'0', '0xFFFFFFFF',
filters=['0109', '0107', '0012'])
# 0x0100 = channel_announcement
# 0x0102 = channel_update
# 0x0101 = node_announcement
# The order of node_announcements relative to others is undefined.
types = Counter([m[0:4] for m in msgs])
assert types == Counter(['0100'] * 2 + ['0102'] * 4 + ['0101'] * 3)
# Now timestamp which doesn't overlap (gives nothing).
msgs = l4.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
'0', before_anything,
filters=['0109', '0107', '0012'])
assert msgs == []
# Now choose range which will only give first update.
msgs = l4.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
before_anything,
after_12 - before_anything + 1,
filters=['0109', '0107', '0012'])
# 0x0100 = channel_announcement
# 0x0102 = channel_update
# (Node announcement may have any timestamp)
types = Counter([m[0:4] for m in msgs])
assert types['0100'] == 1
assert types['0102'] == 2
# Now choose range which will only give second update.
msgs = l4.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
before_23,
after_23 - before_23 + 1,
filters=['0109', '0107', '0012'])
# 0x0100 = channel_announcement
# 0x0102 = channel_update
# (Node announcement may have any timestamp)
types = Counter([m[0:4] for m in msgs])
assert types['0100'] == 1
assert types['0102'] == 2
def test_connect_by_gossip(node_factory, bitcoind):
"""Test connecting to an unknown peer using node gossip
"""
# l1 announces a bogus addresses.
l1, l2, l3 = node_factory.get_nodes(3,
opts=[{'announce-addr':
['127.0.0.1:2',
'[::]:2',
'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion'],
'dev-allow-localhost': None},
{},
{'dev-allow-localhost': None,
'log-level': 'io'}])
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
# Nodes are gossiped only if they have channels
chanid, _ = l2.fundchannel(l3, 10**6)
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# Let channel reach announcement depth
l2.wait_channel_active(chanid)
# Make sure l3 has given node announcement to l2.
l2.daemon.wait_for_logs(['Received node_announcement for node {}'.format(l3.info['id'])])
# Let l1 learn of l3 by node gossip
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.daemon.wait_for_logs(['Received node_announcement for node {}'.format(l3.info['id'])])
# Have l1 connect to l3 without explicit host and port.
ret = l1.rpc.connect(l3.info['id'])
assert ret['address'] == {'type': 'ipv4', 'address': '127.0.0.1', 'port': l3.port}
# Now give it *wrong* port (after we make sure l2 isn't listening), it should fall back.
l1.rpc.disconnect(l3.info['id'])
l2.stop()
ret = l1.rpc.connect(l3.info['id'], 'localhost', l2.port)
assert ret['address'] == {'type': 'ipv4', 'address': '127.0.0.1', 'port': l3.port}
def test_gossip_jsonrpc(node_factory):
l1, l2 = node_factory.line_graph(2, fundchannel=True, wait_for_announce=False)
# Shouldn't send announce signatures until 6 deep.
assert not l1.daemon.is_in_log('peer_out WIRE_ANNOUNCEMENT_SIGNATURES')
# Make sure we can route through the channel, will raise on failure
l1.rpc.getroute(l2.info['id'], 100, 1)
# Channels not should be activated locally
assert l1.rpc.listchannels() == {'channels': []}
assert l2.rpc.listchannels() == {'channels': []}
# Outgoing should be public, even if not announced yet.
channels1 = l1.rpc.listpeerchannels()['channels']
channels2 = l2.rpc.listpeerchannels()['channels']
assert [c['private'] for c in channels1] == [False]
assert [c['private'] for c in channels2] == [False]
# Now proceed to funding-depth and do a full gossip round
l1.bitcoin.generate_block(5)
# Could happen in either order.
l1.daemon.wait_for_logs(['peer_out WIRE_ANNOUNCEMENT_SIGNATURES',
'peer_in WIRE_ANNOUNCEMENT_SIGNATURES'])
# Just wait for the update to kick off and then check the effect
needle = "Received node_announcement for node"
l1.daemon.wait_for_log(needle)
l2.daemon.wait_for_log(needle)
l1.wait_channel_active(only_one(channels1)['short_channel_id'])
l2.wait_channel_active(only_one(channels1)['short_channel_id'])
# Test listchannels-by-source
channels1 = l1.rpc.listchannels(source=l1.info['id'])['channels']
channels2 = l2.rpc.listchannels(source=l1.info['id'])['channels']
assert only_one(channels1)['source'] == l1.info['id']
assert only_one(channels1)['destination'] == l2.info['id']
if l1.info['id'] > l2.info['id']:
assert only_one(channels1)['direction'] == 1
else:
assert only_one(channels1)['direction'] == 0
assert channels1 == channels2
# Test listchannels-by-destination
channels1 = l1.rpc.listchannels(destination=l1.info['id'])['channels']
channels2 = l2.rpc.listchannels(destination=l1.info['id'])['channels']
assert only_one(channels1)['destination'] == l1.info['id']
assert only_one(channels1)['source'] == l2.info['id']
if l2.info['id'] > l1.info['id']:
assert only_one(channels1)['direction'] == 1
else:
assert only_one(channels1)['direction'] == 0
assert channels1 == channels2
# Test only one of short_channel_id, source or destination can be supplied
with pytest.raises(RpcError, match=r"Can only specify one of.*"):
l1.rpc.listchannels(source=l1.info['id'], destination=l2.info['id'])
with pytest.raises(RpcError, match=r"Can only specify one of.*"):
l1.rpc.listchannels(short_channel_id="1x1x1", source=l2.info['id'])
nodes = l1.rpc.listnodes()['nodes']
assert set([n['nodeid'] for n in nodes]) == set([l1.info['id'], l2.info['id']])
# Test listnodes with an arg, while we're here.
n1 = l1.rpc.listnodes(l1.info['id'])['nodes'][0]
n2 = l1.rpc.listnodes(l2.info['id'])['nodes'][0]
assert n1['nodeid'] == l1.info['id']
assert n2['nodeid'] == l2.info['id']
# Might not have seen other node-announce yet.
assert n1['alias'].startswith('JUNIORBEAM')
assert n1['color'] == '0266e4'
if 'alias' not in n2:
assert 'color' not in n2
assert 'addresses' not in n2
else:
assert n2['alias'].startswith('SILENTARTIST')
assert n2['color'] == '022d22'
assert [c['active'] for c in l1.rpc.listchannels()['channels']] == [True, True]
assert [c['public'] for c in l1.rpc.listchannels()['channels']] == [True, True]
assert [c['active'] for c in l2.rpc.listchannels()['channels']] == [True, True]
assert [c['public'] for c in l2.rpc.listchannels()['channels']] == [True, True]
def test_gossip_badsig(node_factory, bitcoind):
"""Make sure node announcement signatures are ok.
This is a smoke test to see if signatures fail. This used to be the case
occasionally before PR #276 was merged: we'd be waiting for the HSM to reply
with a signature and would then regenerate the message, which might roll the
timestamp, invalidating the signature.
"""
l1, l2, l3 = node_factory.get_nodes(3)
# l2 connects to both, so l1 can't reconnect and thus l2 drops to chain
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.fundchannel(l1, 10**6)
l2.fundchannel(l3, 10**6)
# Wait for route propagation.
mine_funding_to_announce(bitcoind, [l1, l2, l3])
l1.daemon.wait_for_log('Received node_announcement for node {}'
.format(l3.info['id']))
assert not l1.daemon.is_in_log('signature verification failed')
assert not l2.daemon.is_in_log('signature verification failed')
assert not l3.daemon.is_in_log('signature verification failed')
def test_gossip_weirdalias(node_factory, bitcoind):
weird_name = '\t \n \" \n \r \n \\'
normal_name = 'Normal name'
opts = [
{'alias': weird_name},
{'alias': normal_name}
]
l1, l2 = node_factory.get_nodes(2, opts=opts)
weird_name_json = json.encoder.JSONEncoder().encode(weird_name)[1:-1]
aliasline = l1.daemon.is_in_log('Server started with public key .* alias')
assert weird_name_json in str(aliasline)
assert l2.daemon.is_in_log('Server started with public key .* alias {}'
.format(normal_name))
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l2.daemon.wait_for_log('Handed peer, entering loop')
l2.fundchannel(l1, 10**6)
bitcoind.generate_block(6)
# They should gossip together.
l1.daemon.wait_for_log('Received node_announcement for node {}'
.format(l2.info['id']))
l2.daemon.wait_for_log('Received node_announcement for node {}'
.format(l1.info['id']))
node = l1.rpc.listnodes(l1.info['id'])['nodes'][0]
assert node['alias'] == weird_name
node = l2.rpc.listnodes(l1.info['id'])['nodes'][0]
assert node['alias'] == weird_name
def test_gossip_persistence(node_factory, bitcoind):
"""Gossip for a while, restart and it should remember.
Also tests for funding outpoint spends, and they should be persisted
too.
"""
opts = {'dev-no-reconnect': None, 'may_reconnect': True}
l1, l2, l3, l4 = node_factory.get_nodes(4, opts=opts)
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
scid12, _ = l1.fundchannel(l2, 10**6)
scid23, _ = l2.fundchannel(l3, 10**6)
# Make channels public, except for l3 -> l4, which is kept local-only
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4])
scid34, _ = l3.fundchannel(l4, 10**6, announce_channel=False)
bitcoind.generate_block(1)
def active(node):
chans = node.rpc.listchannels()['channels']
return sorted([c['short_channel_id'] for c in chans if c['active']])
def non_public(node):
# Not just c["private"] == True, but immature ones too.
public_chans = [c['short_channel_id'] for c in node.rpc.listchannels()['channels']]
our_chans = [c['short_channel_id'] for c in node.rpc.listpeerchannels()['channels'] if c['state'] in ('CHANNELD_NORMAL', 'CHANNELD_AWAITING_SPLICE')]
return sorted(list(set(our_chans) - set(public_chans)))
# Channels should be activated
wait_for(lambda: active(l1) == [scid12, scid12, scid23, scid23])
wait_for(lambda: active(l2) == [scid12, scid12, scid23, scid23])
# This one has private channels, but doesn't appear in listchannels.
wait_for(lambda: active(l3) == [scid12, scid12, scid23, scid23])
# l1 restarts and public gossip should persist
l1.restart()
wait_for(lambda: active(l1) == [scid12, scid12, scid23, scid23])
# Now reconnect, they should re-enable the two l1 <-> l2 directions
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
wait_for(lambda: active(l1) == [scid12, scid12, scid23, scid23])
# Now spend the funding tx, generate a block and see others deleting the
# channel from their network view
l1.rpc.dev_fail(l2.info['id'])
# We need to wait for the unilateral close to hit the mempool,
# and 12 blocks for nodes to actually forget it.
bitcoind.generate_block(13, wait_for_mempool=1)
wait_for(lambda: active(l1) == [scid23, scid23])
wait_for(lambda: active(l2) == [scid23, scid23])
wait_for(lambda: active(l3) == [scid23, scid23])
# The channel l3 -> l4 should be known only to them
assert non_public(l1) == []
assert non_public(l2) == []
wait_for(lambda: non_public(l3) == [scid34])
wait_for(lambda: non_public(l4) == [scid34])
# Finally, it should also remember the deletion after a restart
l3.restart()
l4.restart()
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
wait_for(lambda: active(l3) == [scid23, scid23])
# Both l3 and l4 should remember their local-only channel
wait_for(lambda: non_public(l3) == [scid34])
wait_for(lambda: non_public(l4) == [scid34])
def test_routing_gossip_reconnect(node_factory, bitcoind):
# Connect two peers, reconnect and then see if we resume the
# gossip.
disconnects = ['-WIRE_CHANNEL_ANNOUNCEMENT']
l1, l2, l3 = node_factory.get_nodes(3,
opts=[{'disconnect': disconnects,
'may_reconnect': True},
{'may_reconnect': True},
{}])
# Make sure everyone is up to block height so we don't get bad gossip msgs!
sync_blockheight(bitcoind, [l1, l2, l3])
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.openchannel(l2, CHANNEL_SIZE)
# Make sure everyone is up to block height so we don't get bad gossip msgs!
sync_blockheight(bitcoind, [l1, l2, l3])
# Now open new channels and everybody should sync
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.openchannel(l3, CHANNEL_SIZE)
# Settle the gossip
for n in [l1, l2, l3]:
wait_for(lambda: len(n.rpc.listchannels()['channels']) == 4)
def test_gossip_no_empty_announcements(node_factory, bitcoind, chainparams):
# Need full IO logging so we can see gossip
# l2 sends CHANNEL_ANNOUNCEMENT to l1, but not CHANNEL_UDPATE.
l1, l2, l3, l4 = node_factory.line_graph(4, opts=[{'log-level': 'io',
'dev-no-reconnect': None},
{'log-level': 'io',
'disconnect': ['+WIRE_CHANNEL_ANNOUNCEMENT'],
'may_reconnect': True},
{'may_reconnect': True},
{'may_reconnect': True}],
fundchannel=False)
l3.fundchannel(l4, 10**5)
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4])
# l2 sends CHANNEL_ANNOUNCEMENT to l1, then disconnects/
l2.daemon.wait_for_log('dev_disconnect')
l1.daemon.wait_for_log(r'\[IN\] 0100')
wait_for(lambda: l1.rpc.listchannels()['channels'] == [])
# l1 won't mention it in reply (make sure it has time to digest though)
# but it may actually relay it
time.sleep(2)
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00'],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
assert l1.query_gossip('query_channel_range',
chainparams['chain_hash'],
0, 1000000,
filters=['0109', '0107', '0012', '0100']) == ['0108'
# blockhash
+ chainparams['chain_hash']
# first_blocknum, number_of_blocks, complete
+ format(0, '08x') + format(1000000, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# If we reconnect, gossip will now flow.
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
def test_routing_gossip(node_factory, bitcoind):
nodes = node_factory.get_nodes(5)
for i in range(len(nodes) - 1):
src, dst = nodes[i], nodes[i + 1]
src.rpc.connect(dst.info['id'], 'localhost', dst.port)
src.openchannel(dst, CHANNEL_SIZE, confirm=False, wait_for_announce=False)
# openchannel calls fundwallet which mines a block; so first channel
# is 4 deep, last is unconfirmed.
# Allow announce messages, but don't run too fast, otherwise gossip can be in the future for nodes.
sync_blockheight(bitcoind, nodes)
bitcoind.generate_block(wait_for_mempool=1)
mine_funding_to_announce(bitcoind, nodes)
# Deep check that all channels are in there
comb = []
for i in range(len(nodes) - 1):
comb.append((nodes[i].info['id'], nodes[i + 1].info['id']))
comb.append((nodes[i + 1].info['id'], nodes[i].info['id']))
def check_gossip(n):
seen = []
channels = n.rpc.listchannels()['channels']
for c in channels:
seen.append((c['source'], c['destination']))
missing = set(comb) - set(seen)
logging.debug("Node {id} is missing channels {chans}".format(
id=n.info['id'],
chans=missing)
)
return len(missing) == 0
for n in nodes:
wait_for(lambda: check_gossip(n))
def test_gossip_query_channel_range(node_factory, bitcoind, chainparams):
l1, l2, l3, l4 = node_factory.line_graph(4, fundchannel=False)
genesis_blockhash = chainparams['chain_hash']
# Make public channels on consecutive blocks
l1.fundwallet(10**6)
l2.fundwallet(10**6)
num_tx = len(bitcoind.rpc.getrawmempool())
# We want these one block apart.
l1.rpc.fundchannel(l2.info['id'], 10**5)['tx']
bitcoind.generate_block(wait_for_mempool=num_tx + 1)
sync_blockheight(bitcoind, [l1, l2, l3, l4])
l2.rpc.fundchannel(l3.info['id'], 10**5)['tx']
# Get them both to gossip depth.
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4],
num_blocks=6,
wait_for_mempool=1)
# Make sure l4 has received all the gossip.
l4.daemon.wait_for_logs(['Received node_announcement for node ' + n.info['id'] for n in (l1, l2, l3)])
scid12 = l1.rpc.listpeerchannels(l2.info['id'])['channels'][0]['short_channel_id']
scid23 = l3.rpc.listpeerchannels(l2.info['id'])['channels'][0]['short_channel_id']
block12 = int(scid12.split('x')[0])
block23 = int(scid23.split('x')[0])
assert block23 == block12 + 1
# Asks l4 for all channels, gets both.
msgs = l4.query_gossip('query_channel_range',
chainparams['chain_hash'],
0, 1000000,
filters=['0109', '0107', '0012'])
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12, scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(0, '08x') + format(1000000, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# Does not include scid12
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
0, block12,
filters=['0109', '0107', '0012'])
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(0, '08x') + format(block12, '08x') + '01'
# encoded_short_ids
'000100']
# Does include scid12
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
0, block12 + 1,
filters=['0109', '0107', '0012'])
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(0, '08x') + format(block12 + 1, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# Doesn't include scid23
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
0, block23,
filters=['0109', '0107', '0012'])
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(0, '08x') + format(block23, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# Does include scid23
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
block12, block23 - block12 + 1,
filters=['0109', '0107', '0012'])
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12, scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(block12, '08x') + format(block23 - block12 + 1, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# Only includes scid23
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
block23, 1,
filters=['0109', '0107', '0012'])
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(block23, '08x') + format(1, '08x') + '01'
# encoded_short_ids
+ format(len(encoded) // 2, '04x')
+ encoded]
# Past both
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
block23 + 1, 1000000,
filters=['0109', '0107', '0012'])
# reply_channel_range == 264
assert msgs == ['0108'
# blockhash
+ genesis_blockhash
# first_blocknum, number_of_blocks, complete
+ format(block23 + 1, '08x') + format(1000000, '08x') + '01'
# encoded_short_ids
+ '000100']
# Make l4 split reply into two (technically async)
l4.rpc.dev_set_max_scids_encode_size(max=9)
l4.daemon.wait_for_log('Set max_scids_encode_bytes to 9')
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
0, 1000000,
filters=['0109', '0107', '0012'])
# It should definitely have split
l4.daemon.wait_for_log('reply_channel_range: splitting 0-1 of 2')
start = 0
scids = '00'
for m in msgs:
assert m.startswith('0108' + genesis_blockhash)
this_start = int(m[4 + 64:4 + 64 + 8], base=16)
num = int(m[4 + 64 + 8:4 + 64 + 8 + 8], base=16)
# Pull off end of packet, assume it's uncompressed, and no TLVs!
scids += m[4 + 64 + 8 + 8 + 2 + 4 + 2:]
assert this_start == start
start += num
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12, scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
assert scids == encoded
# Test overflow case doesn't split forever; should still only get 2 for this
msgs = l4.query_gossip('query_channel_range',
genesis_blockhash,
1, 429496000,
filters=['0109', '0107', '0012'])
assert len(msgs) == 2
# Long test involving 4 lightningd instances.
def test_report_routing_failure(node_factory, bitcoind):
"""Test routing failure and retrying of routing.
"""
# The setup is as follows:
# l3-->l4
# ^ / |
# | / |
# | L v
# l2<--l1
#
# l1 wants to pay to l4.
# The shortest route is l1-l4, but l1 cannot
# afford to pay to l1 because l4 has all the
# funds.
# This is a local failure.
# The next shortest route is l1-l2-l4, but
# l2 cannot afford to pay l4 for same reason.
# This is a remote failure.
# Finally the only possible path is
# l1-l2-l3-l4.
# Setup
# Construct lightningd
l1, l2, l3, l4 = node_factory.get_nodes(4)
# Wire them up
# The ordering below matters!
# Particularly, l1 is payer and we will
# wait for l1 to receive gossip for the
# channel being made.
channels = []
for src, dst in [(l1, l2), (l2, l3), (l3, l4), (l4, l1), (l4, l2)]:
src.rpc.connect(dst.info['id'], 'localhost', dst.port)
print("src={}, dst={}".format(src.daemon.lightning_dir,
dst.daemon.lightning_dir))
c, _ = src.fundchannel(dst, 10**6)
channels.append(c)
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4])
for c in channels:
l1.wait_channel_active(c)
# Test
inv = l4.rpc.invoice(1234567, 'inv', 'for testing')['bolt11']
l1.rpc.pay(inv)
def test_query_short_channel_id(node_factory, bitcoind, chainparams):
l1, l2, l3, l4 = node_factory.get_nodes(4)
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
chain_hash = chainparams['chain_hash']
# Empty result tests.
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', '1x1x1', '2x2x2'],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
msgs = l1.query_gossip('query_short_channel_ids',
chain_hash,
encoded,
filters=['0109', '0107', '0012'])
# Should just get the WIRE_REPLY_SHORT_CHANNEL_IDS_END = 262
# (with chainhash and completeflag = 1)
assert len(msgs) == 1
assert msgs[0] == '0106{}01'.format(chain_hash)
# Make channels public.
scid12, _ = l1.fundchannel(l2, 10**5)
scid23, _ = l2.fundchannel(l3, 10**5)
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# Attach node which won't spam us (since it's not their channel).
l4.rpc.connect(l1.info['id'], 'localhost', l1.port)
l4.rpc.connect(l2.info['id'], 'localhost', l2.port)
l4.rpc.connect(l3.info['id'], 'localhost', l3.port)
# Make sure it sees all channels, then node announcements.
wait_for(lambda: len(l4.rpc.listchannels()['channels']) == 4)
wait_for(lambda: all('alias' in n for n in l4.rpc.listnodes()['nodes']))
# This query should get channel announcements, channel updates, and node announcements.
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
msgs = l4.query_gossip('query_short_channel_ids',
chain_hash,
encoded,
filters=['0109', '0107', '0012'])
assert len(msgs) == 6
# 0x0100 = channel_announcement
assert msgs[0].startswith('0100')
# 0x0102 = channel_update
assert msgs[1].startswith('0102')
assert msgs[2].startswith('0102')
# 0x0101 = node_announcement
assert msgs[3].startswith('0101')
assert msgs[4].startswith('0101')
assert msgs[5] == '0106{}01'.format(chain_hash)
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00', scid12, scid23],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
msgs = l4.query_gossip('query_short_channel_ids',
chain_hash,
encoded,
filters=['0109', '0107', '0012'])
# Technically, this order could be different, but this matches code.
assert len(msgs) == 10
# 0x0100 = channel_announcement
assert msgs[0].startswith('0100')
# 0x0102 = channel_update
assert msgs[1].startswith('0102')
assert msgs[2].startswith('0102')
# 0x0100 = channel_announcement
assert msgs[3].startswith('0100')
# 0x0102 = channel_update
assert msgs[4].startswith('0102')
assert msgs[5].startswith('0102')
# 0x0101 = node_announcement
assert msgs[6].startswith('0101')
assert msgs[7].startswith('0101')
assert msgs[8].startswith('0101')
assert msgs[9] == '0106{}01'.format(chain_hash)
def test_gossip_addresses(node_factory, bitcoind):
l1 = node_factory.get_node(options={
'announce-addr': [
'[::]:3',
'[::]',
'127.0.0.1:2',
'127.0.0.1',
'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion',
'4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.onion:1234'
],
})
l2 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fundchannel(l2, 100000)
bitcoind.generate_block(6)
l2.daemon.wait_for_log('Received node_announcement for node {}'
.format(l1.info['id']))
nodes = l2.rpc.listnodes(l1.info['id'])['nodes']
if TEST_NETWORK == 'regtest':
default_port = 19846
else:
assert TEST_NETWORK == 'liquid-regtest'
default_port = 20735
assert len(nodes) == 1 and nodes[0]['addresses'] == [
{'type': 'ipv4', 'address': '127.0.0.1', 'port': 2},
{'type': 'ipv4', 'address': '127.0.0.1', 'port': default_port},
{'type': 'ipv6', 'address': '::', 'port': 3},
{'type': 'ipv6', 'address': '::', 'port': default_port},
{'type': 'torv3', 'address': 'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion', 'port': default_port},
{'type': 'torv3', 'address': '4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.onion', 'port': 1234},
]
@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@pytest.mark.openchannel('v2')
def test_gossip_lease_rates(node_factory, bitcoind):
lease_opts = {'lease-fee-basis': 50,
'lease-fee-base-sat': '2000msat',
'channel-fee-max-base-msat': '500sat',
'channel-fee-max-proportional-thousandths': 200}
l1, l2 = node_factory.get_nodes(2, opts=[lease_opts, {}])
rates = l1.rpc.call('funderupdate')
assert rates['channel_fee_max_base_msat'] == Millisatoshi('500000msat')
assert rates['channel_fee_max_proportional_thousandths'] == 200
assert rates['funding_weight'] == 666 # Default on regtest
assert rates['lease_fee_base_msat'] == Millisatoshi('2000msat')
assert rates['lease_fee_basis'] == 50
rates = l2.rpc.call('funderupdate')
assert 'channel_fee_max_base_msat' not in rates
assert 'channel_fee_max_proportional_thousandths' not in rates
assert 'funding_weight' not in rates
assert 'lease_fee_base_msat' not in rates
assert 'lease_fee_basis' not in rates
# Open a channel, check that the node_announcements
# include offer details, as expected
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fundchannel(l2, 10**6)
# Don't have l2 reject channel_announcement as too far in future.
sync_blockheight(bitcoind, [l1, l2])
# Announce depth is ALWAYS 6 blocks
bitcoind.generate_block(5)
l2.daemon.wait_for_log('Received node_announcement for node {}'
.format(l1.info['id']))
l1.daemon.wait_for_log('Received node_announcement for node {}'
.format(l2.info['id']))
l2_nodeinfo = only_one(l1.rpc.listnodes(l2.info['id'])['nodes'])
l1_nodeinfo = only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])
assert 'option_will_fund' not in l2_nodeinfo
rates = l1_nodeinfo['option_will_fund']
assert rates['channel_fee_max_base_msat'] == Millisatoshi('500000msat')
assert rates['channel_fee_max_proportional_thousandths'] == 200
assert rates['funding_weight'] == 666 # Default on regtest
assert rates['lease_fee_base_msat'] == Millisatoshi('2000msat')
assert rates['lease_fee_basis'] == 50
# Update the node announce (set new on l2, turn off l1)
# (Turn off by setting everything to zero)
l1.rpc.call('funderupdate', {'channel_fee_max_base_msat': '0msat',
'channel_fee_max_proportional_thousandths': 0,
'funding_weight': 0,
'lease_fee_base_msat': '0msat',
'lease_fee_basis': 0})
l2.rpc.call('funderupdate', {'channel_fee_max_base_msat': '30000msat',
'channel_fee_max_proportional_thousandths': 100,
'lease_fee_base_msat': '400000msat',
'lease_fee_basis': 20})
l1.daemon.wait_for_log('Received node_announcement for node {}'.format(l2.info['id']))
l2.daemon.wait_for_log('Received node_announcement for node {}'.format(l1.info['id']))
l2_nodeinfo = only_one(l1.rpc.listnodes(l2.info['id'])['nodes'])
l1_nodeinfo = only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])
assert 'option_will_fund' not in l1_nodeinfo
rates = l2_nodeinfo['option_will_fund']
assert rates['channel_fee_max_base_msat'] == Millisatoshi('30000msat')
assert rates['channel_fee_max_proportional_thousandths'] == 100
assert rates['funding_weight'] == 666 # Default on regtest
assert rates['lease_fee_base_msat'] == Millisatoshi('400000msat')
assert rates['lease_fee_basis'] == 20
def test_gossip_store_load(node_factory):
"""Make sure we can read canned gossip store"""
l1 = node_factory.get_node(start=False)
with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
f.write(bytearray.fromhex("0c" # GOSSIP_STORE_VERSION
"000001b0" # len
"fea676e8" # csum
"5b8d9b44" # timestamp
"0100" # WIRE_CHANNEL_ANNOUNCEMENT
"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"
"0000000a" # len
"99dc98b4" # csum
"00000000" # timestamp
"1005" # WIRE_GOSSIP_STORE_CHANNEL_AMOUNT
"0000000001000000"
"0000008a" # len
"0c6aca0e" # csum
"5b8d9b44" # timestamp
"0102" # WIRE_CHANNEL_UPDATE
"1ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440100009000000000000003e8000003e8000000010000000000FFFFFF"
"00000095" # len
"f036515e" # csum
"5aab817c" # timestamp
"0101" # WIRE_NODE_ANNOUNCEMENT
"cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"))
l1.start()
# May preceed the Started msg waited for in 'start'.
wait_for(lambda: l1.daemon.is_in_log('Read 1/1/1/0 cannounce/cupdate/nannounce/delete from store in 800 bytes, now 778 bytes'))
assert not l1.daemon.is_in_log('gossip_store.*truncating')
def test_gossip_store_v10_upgrade(node_factory):
"""We remove a channel_update without an htlc_maximum_msat"""
l1 = node_factory.get_node(start=False)
with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
f.write(bytearray.fromhex("0a" # GOSSIP_STORE_VERSION
"000001b0" # len
"fea676e8" # csum
"5b8d9b44" # timestamp
"0100" # WIRE_CHANNEL_ANNOUNCEMENT
"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"
"0000000a" # len
"99dc98b4" # csum
"00000000" # timestamp
"1005" # WIRE_GOSSIP_STORE_CHANNEL_AMOUNT
"0000000001000000"
"00000082" # len
"fd421aeb" # csum
"5b8d9b44" # timestamp
"0102" # WIRE_CHANNEL_UPDATE
"1ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440000009000000000000003e8000003e800000001"))
l1.start()
# Channel "exists" but doesn't show in listchannels, as it has no updates.
assert l1.rpc.listchannels() == {'channels': []}
assert only_one(l1.rpc.listnodes('021bf3de4e84e3d52f9a3e36fbdcd2c4e8dbf203b9ce4fc07c2f03be6c21d0c675')['nodes'])
assert only_one(l1.rpc.listnodes('03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d2')['nodes'])
assert len(l1.rpc.listnodes()['nodes']) == 2
def test_gossip_store_load_announce_before_update(node_factory):
"""Make sure we can read canned gossip store with node_announce before update. This happens when a channel_update gets replaced, leaving node_announce before it"""
l1 = node_factory.get_node(start=False)
with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
f.write(bytearray.fromhex("0c" # GOSSIP_STORE_VERSION
"000001b0" # len
"fea676e8" # csum
"5b8d9b44" # timestamp
"0100" # WIRE_CHANNEL_ANNOUNCEMENT
"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"
"0000000a" # len
"99dc98b4" # csum
"00000000" # timestamp
"1005" # WIRE_GOSSIP_STORE_CHANNEL_AMOUNT
"0000000001000000"
"8000008a" # len (DELETED)
"ca01ed56" # csum
"5b8d9b44" # timestamp
"0102" # WIRE_CHANNEL_UPDATE
# Note - msgflags set and htlc_max added by hand, so signature doesn't match (gossipd ignores)
"1ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440100009000000000000003e8000003e8000000010000000000FFFFFF"
"00000095" # len
"f036515e" # csum
"5aab817c" # timestamp
"0101" # WIRE_NODE_ANNOUNCEMENT
"cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"
"0000008a" # len
"0c6aca0e" # csum
"5b8d9b44" # timestamp
"0102" # WIRE_CHANNEL_UPDATE
# Note - msgflags set and htlc_max added by hand, so signature doesn't match (gossipd ignores)
"1ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440100009000000000000003e8000003e8000000010000000000FFFFFF"))
l1.start()
# May preceed the Started msg waited for in 'start'.
wait_for(lambda: l1.daemon.is_in_log('Read 1/1/1/1 cannounce/cupdate/nannounce/delete from store in 950 bytes, now 778 bytes'))
assert not l1.daemon.is_in_log('gossip_store.*truncating')
def test_gossip_store_load_amount_truncated(node_factory):
"""Make sure we can read canned gossip store with truncated amount"""
l1 = node_factory.get_node(start=False, broken_log=r'gossip_store: channel_announcement without amount \(offset 1\). Moving to gossip_store.corrupt and truncating|plugin-cln-renepay:.*unable to fetch channel capacity')
with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
f.write(bytearray.fromhex("0c" # GOSSIP_STORE_VERSION
"000001b0" # len
"fea676e8" # csum
"5b8d9b44" # timestamp
"0100" # WIRE_CHANNEL_ANNOUNCEMENT
"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"))
l1.start()
# May preceed the Started msg waited for in 'start'.
wait_for(lambda: l1.daemon.is_in_log(r'\*\*BROKEN\*\* gossipd: gossip_store: channel_announcement without amount \(offset 1\). Moving to gossip_store.corrupt and truncating'))
wait_for(lambda: l1.daemon.is_in_log(r'gossip_store: Read 0/0/0/0 cannounce/cupdate/nannounce/delete from store in 467 bytes, now 1 bytes \(populated=false\)'))
assert os.path.exists(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store.corrupt'))
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
def test_node_reannounce(node_factory, bitcoind, chainparams):
"Test that we reannounce a node when parameters change"
l1, l2 = node_factory.line_graph(2, opts={'may_reconnect': True,
'log-level': 'io'})
bitcoind.generate_block(5)
genesis_blockhash = chainparams['chain_hash']
# Wait for node_announcement for l1.
l2.daemon.wait_for_log(r'\[IN\] 0101.*{}'.format(l1.info['id']))
# Wait for it to process it.
wait_for(lambda: l2.rpc.listnodes(l1.info['id'])['nodes'] != [])
wait_for(lambda: 'alias' in only_one(l2.rpc.listnodes(l1.info['id'])['nodes']))
assert only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])['alias'].startswith('JUNIORBEAM')
# Make sure it gets features correct.
assert only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])['features'] == expected_node_features()
l1.stop()
l1.daemon.opts['alias'] = 'SENIORBEAM'
# It won't update within 5 seconds, so sleep.
time.sleep(5)
l1.start()
wait_for(lambda: only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])['alias'] == 'SENIORBEAM')
# Get node_announcements.
msgs = l1.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
'0', '0xFFFFFFFF',
# Filter out gossip_timestamp_filter,
# channel_announcement and channel_updates.
# And pings.
filters=['0109', '0107', '0102', '0100', '0012'])
# May send its own announcement *twice*, since it always spams us.
msgs = list(set(msgs))
assert len(msgs) == 2
assert (bytes("SENIORBEAM", encoding="utf8").hex() in msgs[0]
or bytes("SENIORBEAM", encoding="utf8").hex() in msgs[1])
# Restart should re-xmit exact same update on reconnect!
l1.restart()
msgs2 = l1.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
'0', '0xFFFFFFFF',
# Filter out gossip_timestamp_filter,
# channel_announcement and channel_updates.
# And pings.
filters=['0109', '0107', '0102', '0100', '0012'])
# May send its own announcement *twice*, since it always spams us.
assert set(msgs) == set(msgs2)
# Won't have queued up another one, either.
assert not l1.daemon.is_in_log('node_announcement: delaying')
# Try updating the lease rates ad
ad = l1.rpc.call('setleaserates',
{'lease_fee_base_msat': '1000sat',
'lease_fee_basis': 20,
'funding_weight': 150,
'channel_fee_max_base_msat': '2000msat',
'channel_fee_max_proportional_thousandths': 22})
assert ad['lease_fee_base_msat'] == Millisatoshi('1000000msat')
assert ad['lease_fee_basis'] == 20
assert ad['funding_weight'] == 150
assert ad['channel_fee_max_base_msat'] == Millisatoshi('2000msat')
assert ad['channel_fee_max_proportional_thousandths'] == 22
# May send its own announcement *twice*, since it always spams us.
msgs2 = l1.query_gossip('gossip_timestamp_filter',
genesis_blockhash,
'0', '0xFFFFFFFF',
# Filter out gossip_timestamp_filter,
# channel_announcement and channel_updates.
# And pings.
filters=['0109', '0107', '0102', '0100', '0012'])
assert set(msgs) != set(msgs2)
def test_gossipwith(node_factory):
l1, l2 = node_factory.line_graph(2, wait_for_announce=True)
out = subprocess.run(['devtools/gossipwith',
'--all-gossip',
'--network={}'.format(TEST_NETWORK),
'--timeout-after={}'.format(int(math.sqrt(TIMEOUT) + 1)),
'{}@localhost:{}'.format(l1.info['id'], l1.port)],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout
msgs = set()
while len(out):
l, t = struct.unpack('>HH', out[0:4])
msg = out[2:2 + l]
out = out[2 + l:]
# Ignore pings, gossip_timestamp_filter, query_channel_range
if t in (18, 263, 265):
continue
# channel_announcement node_announcement or channel_update
assert t == 256 or t == 257 or t == 258
msgs.add(msg)
# one channel announcement, two channel_updates, two node announcements.
# due to initial blast, we can have duplicates!
assert len(msgs) == 5
def test_gossip_notices_close(node_factory, bitcoind):
# We want IO logging so we can replay a channel_announce to l1;
# We also *really* do feed it bad gossip!
l1, l2, l3 = node_factory.get_nodes(3, opts=[{'log-level': 'io',
'allow_bad_gossip': True},
{},
{}])
node_factory.join_nodes([l2, l3])
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# Make sure l1 learns about channel and nodes.
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
wait_for(lambda: ['alias' in n for n in l1.rpc.listnodes()['nodes']] == [True, True])
l1.rpc.disconnect(l2.info['id'])
# Grab channel_announcement from io logs (ends in ')
channel_announcement = l1.daemon.is_in_log(r'\[IN\] 0100').split(' ')[-1][:-1]
channel_update = l1.daemon.is_in_log(r'\[IN\] 0102').split(' ')[-1][:-1]
node_announcement = l1.daemon.is_in_log(r'\[IN\] 0101').split(' ')[-1][:-1]
txid = l2.rpc.close(l3.info['id'])['txid']
wait_for(lambda: l2.rpc.listpeerchannels(l3.info['id'])['channels'][0]['state'] == 'CLOSINGD_COMPLETE')
bitcoind.generate_block(13, txid)
wait_for(lambda: l1.rpc.listchannels()['channels'] == [])
wait_for(lambda: l1.rpc.listnodes()['nodes'] == [])
subprocess.run(['devtools/gossipwith',
'--network={}'.format(TEST_NETWORK),
'--max-messages=0',
'{}@localhost:{}'.format(l1.info['id'], l1.port),
channel_announcement,
channel_update,
node_announcement],
timeout=TIMEOUT)
# l1 should reject it.
assert(l1.rpc.listchannels()['channels'] == [])
assert(l1.rpc.listnodes()['nodes'] == [])
l1.stop()
l1.start()
assert(l1.rpc.listchannels()['channels'] == [])
assert(l1.rpc.listnodes()['nodes'] == [])
def test_getroute_exclude_duplicate(node_factory):
"""Test that accidentally duplicating the same channel or same node
in the exclude list will not have permanent effects.
"""
l1, l2 = node_factory.line_graph(2, wait_for_announce=True)
# Starting route
route = l1.rpc.getroute(l2.info['id'], 1, 1)['route']
# l1 id is > l2 id, so 1 means l1->l2
chan_l1l2 = route[0]['channel'] + '/1'
# This should fail to find a route as the only viable channel
# is excluded, and worse, is excluded twice.
with pytest.raises(RpcError):
l1.rpc.getroute(l2.info['id'], 1, 1, exclude=[chan_l1l2, chan_l1l2])
# This should still succeed since nothing is excluded anymore
# and in particular should return the exact same route as
# earlier.
route2 = l1.rpc.getroute(l2.info['id'], 1, 1)['route']
assert route == route2
# This should also fail to find a route as the only viable channel
# is excluded, and worse, is excluded twice.
with pytest.raises(RpcError):
l1.rpc.getroute(l2.info['id'], 1, 1, exclude=[l2.info['id'], l2.info['id']])
# This should still succeed since nothing is excluded anymore
# and in particular should return the exact same route as
# earlier.
route3 = l1.rpc.getroute(l2.info['id'], 1, 1)['route']
assert route == route3
def test_getroute_exclude(node_factory, bitcoind):
"""Test getroute's exclude argument"""
l1, l2, l3, l4, l5 = node_factory.get_nodes(5)
node_factory.join_nodes([l1, l2, l3, l4], wait_for_announce=True)
# This should work
route = l1.rpc.getroute(l4.info['id'], 1, 1)['route']
# l1 id is > l2 id, so 1 means l1->l2
chan_l1l2 = route[0]['channel'] + '/1'
chan_l2l1 = route[0]['channel'] + '/0'
# This should not
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l1l2])
# This should also not
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l2.info['id']])
# Blocking the wrong way should be fine.
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l1])
# Now, create an alternate (better) route.
l2.rpc.connect(l4.info['id'], 'localhost', l4.port)
scid, _ = l2.fundchannel(l4, 1000000, wait_for_active=False)
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4, l5])
# We don't wait above, because we care about it hitting l1.
l1.daemon.wait_for_logs([r'update for channel {}/0 now ACTIVE'
.format(scid),
r'update for channel {}/1 now ACTIVE'
.format(scid)])
# l3 id is > l2 id, so 1 means l3->l2
# chan_l3l2 = route[1]['channel'] + '/1'
chan_l2l3 = route[1]['channel'] + '/0'
# l4 is > l2
# chan_l4l2 = scid + '/1'
chan_l2l4 = scid + '/0'
# This works
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l3])
# This works
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l4])
# This works
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l3.info['id']])
# This doesn't
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l3, chan_l2l4])
# This doesn't
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l3.info['id'], chan_l2l4])
l1.rpc.connect(l5.info['id'], 'localhost', l5.port)
scid15, _ = l1.fundchannel(l5, 1000000, wait_for_active=False)
l5.rpc.connect(l4.info['id'], 'localhost', l4.port)
scid54, _ = l5.fundchannel(l4, 1000000, wait_for_active=False)
mine_funding_to_announce(bitcoind, [l1, l2, l3, l4, l5])
# We don't wait above, because we care about it hitting l1.
l1.daemon.wait_for_logs([r'update for channel {}/0 now ACTIVE'
.format(scid15),
r'update for channel {}/1 now ACTIVE'
.format(scid15),
r'update for channel {}/0 now ACTIVE'
.format(scid54),
r'update for channel {}/1 now ACTIVE'
.format(scid54)])
# This works now
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l3.info['id'], chan_l2l4])
# This works now
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l3.info['id'], l5.info['id']])
# This doesn't work
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[l3.info['id'], l5.info['id'], chan_l2l4])
# This doesn't work
with pytest.raises(RpcError):
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l3, l5.info['id'], chan_l2l4])
def setup_gossip_store_test(node_factory, bitcoind):
l1, l2, l3 = node_factory.line_graph(3, wait_for_announce=True)
# Now, replace the one channel_update, so it's past the node announcements.
l2.rpc.setchannel(l3.info['id'], 20, 1000)
l3.rpc.setchannel(l2.info['id'], 21, 1001)
# Wait for it to hit l1's gossip store.
wait_for(lambda: sorted([c['fee_per_millionth'] for c in l1.rpc.listchannels()['channels']]) == [10, 10, 1000, 1001])
# Records in l2's store now looks (something) like:
# channel_announcement (scid12)
# channel_amount
# channel_update (scid12/0)
# channel_update (scid12/1)
# node_announcement (l1)
# node_announcement (l2)
# channel_announcement (scid23)
# channel_amount
# DELETED: channel_update (scid23/0)
# DELETED: channel_update (scid23/1)
# node_announcement
# channel_update (scid23/0)
# channel_update (scid23/1)
return l2
def test_gossip_store_compact_noappend(node_factory, bitcoind):
l2 = setup_gossip_store_test(node_factory, bitcoind)
# It should truncate this, not leave junk!
with open(os.path.join(l2.daemon.lightning_dir, TEST_NETWORK, 'gossip_store.tmp'), 'wb') as f:
f.write(bytearray.fromhex("07deadbeef"))
l2.restart()
wait_for(lambda: l2.daemon.is_in_log('gossip_store: Read '))
assert not l2.daemon.is_in_log('gossip_store:.*truncate')
def test_gossip_store_load_complex(node_factory, bitcoind):
l2 = setup_gossip_store_test(node_factory, bitcoind)
l2.restart()
wait_for(lambda: l2.daemon.is_in_log('gossip_store: Read '))
def test_gossip_store_load_no_channel_update(node_factory):
"""Make sure we can read truncated gossip store with a channel_announcement and no channel_update"""
l1 = node_factory.get_node(start=False)
# A channel announcement with no channel_update.
with open(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store'), 'wb') as f:
f.write(bytearray.fromhex("0d" # GOSSIP_STORE_VERSION
"000001b0" # len
"fea676e8" # csum
"5b8d9b44" # timestamp
"0100" # WIRE_CHANNEL_ANNOUNCEMENT
"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"
"0000000a" # len
"99dc98b4" # csum
"00000000" # timestamp
"1005" # WIRE_GOSSIP_STORE_CHANNEL_AMOUNT
"0000000001000000"
"00000095" # len
"f036515e" # csum
"5aab817c" # timestamp
"0101" # WIRE_NODE_ANNOUNCEMENT
"cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"))
l1.start()
# May preceed the Started msg waited for in 'start'.
wait_for(lambda: l1.daemon.is_in_log('Read 1/0/1/0 cannounce/cupdate/nannounce/delete from store in 650 bytes, now 628 bytes'))
assert not os.path.exists(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'gossip_store.corrupt'))
def test_gossip_store_compact_on_load(node_factory, bitcoind):
l2 = setup_gossip_store_test(node_factory, bitcoind)
gs_path = os.path.join(l2.daemon.lightning_dir, TEST_NETWORK, 'gossip_store')
gs = subprocess.run(['devtools/dump-gossipstore', '--print-deleted', gs_path],
check=True, timeout=TIMEOUT, stdout=subprocess.PIPE)
print(gs.stdout.decode())
l2.restart()
# These appear before we're fully started, so will already in log:
assert l2.daemon.is_in_log('gossip_store: Read 2/4/3/2 cannounce/cupdate/nannounce/delete from store')
def test_gossip_announce_invalid_block(node_factory, bitcoind):
"""bitcoind lags and we might get an announcement for a block we don't have.
"""
# Need to slow down the poll interval so the announcement preceeds the
# blockchain catchup, otherwise we won't call `getfilteredblock`.
opts = {'dev-bitcoind-poll': TIMEOUT // 2}
l1 = node_factory.get_node(options=opts)
bitcoind.generate_block(1)
assert bitcoind.rpc.getblockchaininfo()['blocks'] == 102
# Test gossip for an unknown block.
subprocess.run(['devtools/gossipwith',
'--network={}'.format(TEST_NETWORK),
'--max-messages=0',
'{}@localhost:{}'.format(l1.info['id'], l1.port),
# short_channel_id=103x1x1
'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'],
check=True, timeout=TIMEOUT)
# Make sure it's OK once it's caught up.
sync_blockheight(bitcoind, [l1])
def test_gossip_announce_unknown_block(node_factory, bitcoind):
"""Don't backfill the future!
If we get a channel_announcement that is for a block height that is above
our sync height we should not store the filteredblock in the blocks table,
otherwise we end up with a duplicate when we finally catch up with the
blockchain.
"""
# Need to slow down the poll interval so the announcement preceeds the
# blockchain catchup, otherwise we won't call `getfilteredblock`.
opts = {'dev-bitcoind-poll': TIMEOUT // 2}
l1 = node_factory.get_node(options=opts)
bitcoind.generate_block(2)
assert bitcoind.rpc.getblockchaininfo()['blocks'] == 103
# Test gossip for unknown block.
subprocess.run(['devtools/gossipwith',
'--network={}'.format(TEST_NETWORK),
'--max-messages=0',
'{}@localhost:{}'.format(l1.info['id'], l1.port),
# short_channel_id=103x1x1
'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'],
check=True, timeout=TIMEOUT)
# Make sure it's OK once it's caught up.
sync_blockheight(bitcoind, [l1])
def test_gossip_no_backtalk(node_factory):
# l3 connects, gets gossip, but should *not* play it back.
l1, l2, l3 = node_factory.get_nodes(3,
opts=[{}, {}, {'log-level': 'io'}])
node_factory.join_nodes([l1, l2], wait_for_announce=True)
l3.rpc.connect(l2.info['id'], 'localhost', l2.port)
# Will get channel_announce, then two channel_update and two node_announcement
l3.daemon.wait_for_logs([r'\[IN\] 0100',
r'\[IN\] 0102', r'\[IN\] 0102',
r'\[IN\] 0101', r'\[IN\] 0101'])
# With --developer, this is long enough for gossip flush.
time.sleep(2)
assert not l3.daemon.is_in_log(r'\[OUT\] 0100')
@unittest.skipIf(
TEST_NETWORK != 'regtest',
"Channel announcement contains genesis hash, receiving node discards on mismatch"
)
def check_socket(ip_addr, port):
result = True
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# let's also check for fatal and try it ;-)
try:
result = sock.connect_ex((ip_addr, port))
sock.close()
except Exception:
return False
return not result
def test_static_tor_onions(node_factory):
"""First basic tests ;-)
Assume that tor is configured and just test
if we see the right onion address for our blob
"""
# please define your values
torip = '127.0.0.1'
torips = '127.0.0.1:9051'
torport = 9050
torserviceport = 9051
if not check_socket(format(torip), torserviceport):
return
if not check_socket(format(torip), torport):
return
portA = node_factory.get_unused_port()
l1 = node_factory.get_node(may_fail=True, options={
'bind-addr': '127.0.0.1:{}'.format(portA),
'addr': ['statictor:{}'.format(torips)]
})
portB = node_factory.get_unused_port()
l2 = node_factory.get_node(may_fail=True, options={
'bind-addr': '127.0.0.1:{}'.format(portB),
'addr': ['statictor:{}/torblob=11234567890123456789012345678901/torport={}'.format(torips, 9736)]
})
assert l1.daemon.is_in_log('127.0.0.1:{}'.format(l1.port))
# Did not specify torport, so it's the default.
assert l1.daemon.is_in_log('.onion:{}'.format(default_ln_port(l1.info["network"])))
assert l2.daemon.is_in_log('x2y4zvh4fn5q3eouuh7nxnc7zeawrqoutljrup2xjtiyxgx3emgkemad.onion:{},127.0.0.1:{}'.format(9736, l2.port))
def test_tor_port_onions(node_factory):
"""First basic tests for torport ;-)
Assume that tor is configured and just test
if we see the right onion address for our blob
"""
# please define your values
torip = '127.0.0.1'
torips = '127.0.0.1:9051'
torport = 9050
torserviceport = 9051
if not check_socket(torip, torserviceport):
return
if not check_socket(torip, torport):
return
portA = node_factory.get_unused_port()
l1 = node_factory.get_node(may_fail=True, options={'bind-addr': '127.0.0.1:{}'.format(portA), 'addr': ['statictor:{}/torport=45321'.format(torips)]})
portB = node_factory.get_unused_port()
l2 = node_factory.get_node(may_fail=True, options={'bind-addr': '127.0.0.1:{}'.format(portB), 'addr': ['statictor:{}/torport=45321/torblob=11234567890123456789012345678901'.format(torips)]})
assert l1.daemon.is_in_log('45321,127.0.0.1:{}'.format(l1.port))
assert l2.daemon.is_in_log('x2y4zvh4fn5q3eouuh7nxnc7zeawrqoutljrup2xjtiyxgx3emgkemad.onion:45321,127.0.0.1:{}'.format(l2.port))
def test_routetool(node_factory):
"""Test that route tool can see published channels"""
l1, l2 = node_factory.line_graph(2, wait_for_announce=True)
subprocess.run(['devtools/route',
os.path.join(l1.daemon.lightning_dir,
TEST_NETWORK,
'gossip_store'),
l1.info['id'],
l2.info['id']],
check=True, timeout=TIMEOUT)
def test_addgossip(node_factory):
l1, l2 = node_factory.line_graph(2, fundchannel=True, wait_for_announce=True,
opts={'log-level': 'io'})
# We should get two node_announcements, one channel_announcement, and two
# channel_update.
l3 = node_factory.get_node()
# 0x0100 = channel_announcement
# 0x0102 = channel_update
# 0x0101 = node_announcement
l1.daemon.logsearch_start = 0
ann = l1.daemon.wait_for_log(r"\[(OUT|IN)\] 0100.*") # Either direction will suppress the other.
l2.daemon.logsearch_start = 0
l2.daemon.wait_for_log(r"\[(OUT|IN)\] 0100.*")
# Be sure not to get the *private* updates!
upd1 = l1.daemon.is_in_log(r"\[OUT\] 0102.*", start=l1.daemon.logsearch_start)
upd2 = l2.daemon.is_in_log(r"\[OUT\] 0102.*", start=l2.daemon.logsearch_start)
nann1 = l1.daemon.is_in_log(r"\[OUT\] 0101.*")
nann2 = l2.daemon.is_in_log(r"\[OUT\] 0101.*")
# Feed them to l3 (Each one starts with PREFIX TIMESTAMP chanid-xxx: [OUT] ...)
l3.rpc.addgossip(ann.split()[4])
l3.rpc.addgossip(upd1.split()[4])
l3.rpc.addgossip(upd2.split()[4])
l3.rpc.addgossip(nann1.split()[4])
l3.rpc.addgossip(nann2.split()[4])
# In this case, it can actually have to wait, since it does scid lookup.
wait_for(lambda: len(l3.rpc.listchannels()['channels']) == 2)
wait_for(lambda: len(l3.rpc.listnodes()['nodes']) == 2)
# Now corrupt an update
badupdate = upd1.split()[4]
if badupdate.endswith('f'):
badupdate = badupdate[:-1] + 'e'
else:
badupdate = badupdate[:-1] + 'f'
with pytest.raises(RpcError, match='Bad signature'):
l3.rpc.addgossip(badupdate)
def test_topology_leak(node_factory, bitcoind):
l1, l2, l3 = node_factory.line_graph(3)
l1.rpc.listchannels()
mine_funding_to_announce(bitcoind, [l1, l2, l3])
# Wait until l1 sees all the channels.
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 4)
# Close and wait for gossip to catchup.
txid = l2.rpc.close(l3.info['id'])['txid']
bitcoind.generate_block(13, txid)
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
def test_parms_listforwards(node_factory):
"""
Simple test to ensure that the order of the listforwards
is correct as describe in the documentation.
This test is written by a issue report in the IR channel,
it is simple and not useful, but it is good to have to avoid
simile errors in the future.
"""
l1, l2 = node_factory.line_graph(2)
l2.stop()
l2.daemon.opts['allow-deprecated-apis'] = True
l2.start()
forwards_new = l1.rpc.listforwards("settled")["forwards"]
forwards_dep = l2.rpc.call("listforwards", {"in_channel": "0x1x2", "out_channel": "0x2x3", "status": "settled"})["forwards"]
assert len(forwards_new) == 0
assert len(forwards_dep) == 0
def test_close_12_block_delay(node_factory, bitcoind):
l1, l2, l3, l4 = node_factory.line_graph(4, wait_for_announce=True)
# Close l1-l2
txid = l1.rpc.close(l2.info['id'])['txid']
bitcoind.generate_block(1, txid)
# But l4 doesn't believe it immediately.
l4.daemon.wait_for_log("channel .* closing soon due to the funding outpoint being spent")
# Close l2-l3 one block later.
txid = l2.rpc.close(l3.info['id'])['txid']
bitcoind.generate_block(1, txid)
l4.daemon.wait_for_log("channel .* closing soon due to the funding outpoint being spent")
# BOLT #7:
# - once its funding output has been spent OR reorganized out:
# - SHOULD forget a channel after a 12-block delay.
# That implies 12 blocks *after* spending, i.e. 13 blocks deep!
# 12 blocks deep, l4 still sees it
bitcoind.generate_block(10)
sync_blockheight(bitcoind, [l4])
assert len(l4.rpc.listchannels(source=l1.info['id'])['channels']) == 1
# 13 blocks deep does it.
bitcoind.generate_block(1)
wait_for(lambda: l4.rpc.listchannels(source=l1.info['id'])['channels'] == [])
# Other channel still visible.
assert len(l4.rpc.listchannels(source=l2.info['id'])['channels']) == 1
# Restart: it remembers channel is dying.
l4.restart()
# One more block, it's forgotten too.
bitcoind.generate_block(1)
wait_for(lambda: l4.rpc.listchannels(source=l2.info['id'])['channels'] == [])
def test_gossip_not_dying(node_factory, bitcoind):
l1 = node_factory.get_node()
l2, l3 = node_factory.line_graph(2, wait_for_announce=True)
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
# Wait until it sees all the updates, node announcments.
wait_for(lambda: len([n for n in l1.rpc.listnodes()['nodes'] if 'alias' in n])
+ len(l1.rpc.listchannels()['channels']) == 4)
def get_gossip(node):
out = subprocess.run(['devtools/gossipwith',
'--network={}'.format(TEST_NETWORK),
'--all-gossip',
'--timeout-after=2',
'{}@localhost:{}'.format(node.info['id'], node.port)],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout
msgs = []
while len(out):
l, t = struct.unpack('>HH', out[0:4])
msg = out[2:2 + l]
out = out[2 + l:]
# Ignore pings, gossip_timestamp_filter, query_channel_range
if t in (18, 263, 265):
continue
# channel_announcement node_announcement or channel_update
assert t == 256 or t == 257 or t == 258
msgs.append(msg)
return msgs
assert len(get_gossip(l1)) == 5
# Close l2->l3, mine block.
l2.rpc.close(l3.info['id'])
bitcoind.generate_block(1, wait_for_mempool=1)
l1.daemon.wait_for_log("closing soon due to the funding outpoint being spent")
# We won't gossip the dead channel any more, nor the node_announcements. But connectd is not explicitly synced, so wait for "a bit".
time.sleep(1)
assert get_gossip(l1) == []
def test_dump_own_gossip(node_factory):
"""We *should* send all self-related gossip unsolicited, if we have any"""
l1, l2 = node_factory.line_graph(2, wait_for_announce=True)
# Make sure l1 has updates in both directions, and node_announcements
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
wait_for(lambda: len(l1.rpc.listnodes()['nodes']) == 2)
# We should get channel_announcement, channel_update, node_announcement.
# (Plus random pings, timestamp_filter)
out = subprocess.run(['devtools/gossipwith',
'--no-gossip',
'--timeout-after={}'.format(int(math.sqrt(TIMEOUT) + 1)),
'--network={}'.format(TEST_NETWORK),
'{}@localhost:{}'.format(l1.info['id'], l1.port)],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout
# In theory, we could do the node_announcement any time after channel_announcement, but we don't.
expect = [256, # channel_announcement
258, # channel_update
258, # channel_update
257] # node_announcement
while len(out):
l, t = struct.unpack('>HH', out[0:4])
out = out[2 + l:]
# Ignore pings, timestamp_filter, query_channel_range
if t in (18, 263, 265):
continue
assert t == expect[0]
expect = expect[1:]
# We should get exactly what we expected.
assert expect == []
def test_listchannels_deprecated_local(node_factory, bitcoind):
"""Test listchannels shows local/private channels only in deprecated mode"""
l1, l2, l3 = node_factory.get_nodes(3,
opts=[{}, {'allow-deprecated-apis': True}, {}])
# This will be in block 103
node_factory.join_nodes([l1, l2], wait_for_announce=False)
l1l2 = first_scid(l1, l2)
# This will be in block 104
node_factory.join_nodes([l2, l3], wait_for_announce=False)
l2l3 = first_scid(l2, l3)
# Non-deprecated nodes say no.
assert l1.rpc.listchannels() == {'channels': []}
assert l3.rpc.listchannels() == {'channels': []}
# Deprecated API lists both sides of local channels:
vals = [(c['active'], c['public'], c['short_channel_id']) for c in l2.rpc.listchannels()['channels']]
# Either order
assert vals == [(True, False, l1l2)] * 2 + [(True, False, l2l3)] * 2 or vals == [(True, False, l2l3)] * 2 + [(True, False, l1l2)] * 2
# Mine l1-l2 channel so it's public.
bitcoind.generate_block(4)
sync_blockheight(bitcoind, [l1, l2, l3])
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
wait_for(lambda: len(l3.rpc.listchannels()['channels']) == 2)
# l2 shows public one correctly, and private one correctly
# Either order
vals = [(c['active'], c['public'], c['short_channel_id']) for c in l2.rpc.listchannels()['channels']]
assert vals == [(True, True, l1l2)] * 2 + [(True, False, l2l3)] * 2 or vals == [(True, False, l2l3)] * 2 + [(True, True, l1l2)] * 2
def test_gossip_throttle(node_factory, bitcoind, chainparams):
"""Make some gossip, test it gets throttled"""
l1, l2, l3, l4 = node_factory.line_graph(4, wait_for_announce=True,
opts=[{}, {}, {}, {'dev-throttle-gossip': None}])
# We expect: self-advertizement (3 messages for l1 and l4) plus
# 4 node announcements, 3 channel announcements and 6 channel updates.
# We also expect it to send a timestamp filter message.
# (We won't take long enough to get a ping!)
expected = 4 + 4 + 3 + 6 + 1
# l1 is unlimited
start_fast = time.time()
out1 = subprocess.run(['devtools/gossipwith',
'--all-gossip',
'--hex',
'--network={}'.format(TEST_NETWORK),
'--max-messages={}'.format(expected),
'{}@localhost:{}'.format(l1.info['id'], l1.port)],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout.split()
time_fast = time.time() - start_fast
assert time_fast < 2
# Remove timestamp filter, since timestamp will change!
out1 = [m for m in out1 if not m.startswith(b'0109')]
# l4 is throttled
start_slow = time.time()
out2 = subprocess.run(['devtools/gossipwith',
'--all-gossip',
'--hex',
'--network={}'.format(TEST_NETWORK),
'--max-messages={}'.format(expected),
'{}@localhost:{}'.format(l4.info['id'], l4.port)],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout.split()
time_slow = time.time() - start_slow
assert time_slow > 3
# Remove timestamp filter, since timestamp will change!
out2 = [m for m in out2 if not m.startswith(b'0109')]
# Contents should be identical (once uniquified, since each
# doubles-up on its own gossip)
assert set(out1) == set(out2)
encoded = subprocess.run(['devtools/mkencoded', '--scids', '00',
first_scid(l1, l2),
first_scid(l2, l3),
first_scid(l3, l4)],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip().decode()
query = subprocess.run(['devtools/mkquery',
'query_short_channel_ids',
chainparams['chain_hash'],
encoded,
# We want channel announce, updates and node ann.
'00', '1F1F1F'],
check=True,
timeout=TIMEOUT,
stdout=subprocess.PIPE).stdout.strip()
# Queries should also be ratelimited, so compare l1 vs l4.
start_fast = time.time()
out3 = subprocess.run(['devtools/gossipwith',
'--no-gossip',
'--hex',
'--network={}'.format(TEST_NETWORK),
'--max-messages={}'.format(expected),
'{}@localhost:{}'.format(l1.info['id'], l1.port),
query],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout.split()
time_fast = time.time() - start_fast
assert time_fast < 2
out3 = [m for m in out3 if not m.startswith(b'0109')]
assert set(out1) == set(out3)
start_slow = time.time()
out4 = subprocess.run(['devtools/gossipwith',
'--no-gossip',
'--hex',
'--network={}'.format(TEST_NETWORK),
'--max-messages={}'.format(expected),
'{}@localhost:{}'.format(l4.info['id'], l4.port),
query],
check=True,
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout.split()
time_slow = time.time() - start_slow
assert time_slow > 3
out4 = [m for m in out4 if not m.startswith(b'0109')]
assert set(out2) == set(out4)
def test_seeker_first_peer(node_factory, bitcoind):
l1, l2, l3, l4, l5 = node_factory.get_nodes(5)
node_factory.join_nodes([l4, l5], wait_for_announce=True)
# We always ask peer for everything if we have no gossip.
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.daemon.wait_for_log(rf"{l2.info['id']}-gossipd: seeker: starting gossip \(EVERYTHING\)")
# Still no gossip, so we ask second peer too.
l1.rpc.connect(l3.info['id'], 'localhost', l3.port)
l1.daemon.wait_for_log(rf"{l3.info['id']}-gossipd: seeker: starting gossip \(EVERYTHING\)")
# We can actually get gossip *before* we kick seeker, so it may stream here!
l1.rpc.connect(l4.info['id'], 'localhost', l4.port)
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
l1.rpc.connect(l5.info['id'], 'localhost', l5.port)
l1.daemon.wait_for_log(rf"{l5.info['id']}-gossipd: seeker: starting gossip \(streaming\)")
# Now we restart, and we'll ask the first peer, even though we have gossip.
l1.restart()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.daemon.wait_for_log(rf"{l2.info['id']}-gossipd: seeker: starting gossip \(EVERYTHING\)")
l1.rpc.connect(l3.info['id'], 'localhost', l3.port)
# This can take more than 10 seconds, so we add to timeout here!
l1.daemon.wait_for_log(rf"{l3.info['id']}-gossipd: seeker: starting gossip \(streaming\)",
timeout=TIMEOUT + 10)
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