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1032 lines
41 KiB
1032 lines
41 KiB
from fixtures import * # noqa: F401,F403
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from lightning import RpcError
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from utils import wait_for, TIMEOUT, only_one
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import json
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import logging
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import os
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import pytest
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import struct
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import subprocess
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import time
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import unittest
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with open('config.vars') as configfile:
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config = dict([(line.rstrip().split('=', 1)) for line in configfile])
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DEVELOPER = os.getenv("DEVELOPER", config['DEVELOPER']) == "1"
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@unittest.skipIf(not DEVELOPER, "needs --dev-broadcast-interval, --dev-channelupdate-interval")
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def test_gossip_pruning(node_factory, bitcoind):
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""" Create channel and see it being updated in time before pruning
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"""
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opts = {'dev-channel-update-interval': 5}
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l1, l2, l3 = node_factory.get_nodes(3, opts)
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
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scid1 = l1.fund_channel(l2, 10**6)
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scid2 = l2.fund_channel(l3, 10**6)
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bitcoind.generate_block(6)
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# Channels should be activated locally
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wait_for(lambda: [c['active'] for c in l1.rpc.listchannels()['channels']] == [True] * 4)
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wait_for(lambda: [c['active'] for c in l2.rpc.listchannels()['channels']] == [True] * 4)
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wait_for(lambda: [c['active'] for c in l3.rpc.listchannels()['channels']] == [True] * 4)
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# All of them should send a keepalive message
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l1.daemon.wait_for_logs([
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'Sending keepalive channel_update for {}'.format(scid1),
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])
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l2.daemon.wait_for_logs([
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'Sending keepalive channel_update for {}'.format(scid1),
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'Sending keepalive channel_update for {}'.format(scid2),
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])
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l3.daemon.wait_for_logs([
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'Sending keepalive channel_update for {}'.format(scid2),
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])
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# Now kill l3, so that l2 and l1 can prune it from their view after 10 seconds
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# FIXME: This sleep() masks a real bug: that channeld sends a
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# channel_update message (to disable the channel) with same
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# timestamp as the last keepalive, and thus is ignored. The minimal
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# fix is to backdate the keepalives 1 second, but maybe we should
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# simply have gossipd generate all updates?
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time.sleep(1)
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l3.stop()
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l1.daemon.wait_for_log("Pruning channel {} from network view".format(scid2))
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l2.daemon.wait_for_log("Pruning channel {} from network view".format(scid2))
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assert scid2 not in [c['short_channel_id'] for c in l1.rpc.listchannels()['channels']]
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assert scid2 not in [c['short_channel_id'] for c in l2.rpc.listchannels()['channels']]
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assert l3.info['id'] not in [n['nodeid'] for n in l1.rpc.listnodes()['nodes']]
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assert l3.info['id'] not in [n['nodeid'] for n in l2.rpc.listnodes()['nodes']]
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@unittest.skipIf(not DEVELOPER, "needs --dev-broadcast-interval, --dev-no-reconnect")
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def test_gossip_disable_channels(node_factory, bitcoind):
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"""Simple test to check that channels get disabled correctly on disconnect and
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reenabled upon reconnecting
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"""
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opts = {'dev-no-reconnect': None, 'may_reconnect': True}
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l1, l2 = node_factory.get_nodes(2, opts=opts)
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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scid = l1.fund_channel(l2, 10**6)
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bitcoind.generate_block(5)
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def count_active(node):
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chans = node.rpc.listchannels()['channels']
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active = [c for c in chans if c['active']]
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return len(active)
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l1.wait_channel_active(scid)
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l2.wait_channel_active(scid)
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assert(count_active(l1) == 2)
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assert(count_active(l2) == 2)
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l2.restart()
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wait_for(lambda: count_active(l1) == 0)
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assert(count_active(l2) == 0)
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# Now reconnect, they should re-enable the channels
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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wait_for(lambda: count_active(l1) == 2)
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wait_for(lambda: count_active(l2) == 2)
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@unittest.skipIf(not DEVELOPER, "needs --dev-allow-localhost")
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def test_announce_address(node_factory, bitcoind):
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"""Make sure our announcements are well formed."""
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# We do not allow announcement of duplicates.
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opts = {'announce-addr':
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['4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.onion',
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'silkroad6ownowfk.onion',
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'1.2.3.4:1234',
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'::'],
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'log-level': 'io',
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'dev-allow-localhost': None}
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l1, l2 = node_factory.get_nodes(2, opts=[opts, {}])
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# It should warn about the collision between --addr=127.0.0.1:<ephem>
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# and --announce-addr=1.2.3.4:1234 (may happen before get_nodes returns).
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wait_for(lambda: l1.daemon.is_in_log('Cannot announce address 127.0.0.1:[0-9]*, already announcing 1.2.3.4:1234'))
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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scid = l1.fund_channel(l2, 10**6)
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bitcoind.generate_block(5)
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# Activate IO logging for l1.
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subprocess.run(['kill', '-USR1', l1.subd_pid('channeld')])
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l1.wait_channel_active(scid)
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l2.wait_channel_active(scid)
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# We should see it send node announce (257 = 0x0101)
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l1.daemon.wait_for_log(r"\[OUT\] 0101.*004d010102030404d202000000000000000000000000000000002607039216a8b803f3acd758aa260704e00533f3e8f2aedaa8969b3d0fa03a96e857bbb28064dca5e147e934244b9ba50230032607'")
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@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
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def test_gossip_timestamp_filter(node_factory, bitcoind):
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# Need full IO logging so we can see gossip (from gossipd and channeld)
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l1, l2, l3 = node_factory.line_graph(3, opts={'log-level': 'io'}, fundchannel=False)
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# Full IO logging for connectds
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subprocess.run(['kill', '-USR1', l1.subd_pid('connectd')])
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subprocess.run(['kill', '-USR1', l2.subd_pid('connectd')])
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before_anything = int(time.time() - 1.0)
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# Make a public channel.
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chan12 = l1.fund_channel(l2, 10**5)
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bitcoind.generate_block(5)
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l3.wait_for_routes([chan12])
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after_12 = int(time.time())
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# Full IO logging for l1's channeld
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subprocess.run(['kill', '-USR1', l1.subd_pid('channeld')])
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# Make another one, different timestamp.
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chan23 = l2.fund_channel(l3, 10**5)
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bitcoind.generate_block(5)
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l1.wait_for_routes([chan23])
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after_23 = int(time.time())
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# Make sure l1 has received all the gossip.
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wait_for(lambda: ['alias' in node for node in l1.rpc.listnodes()['nodes']] == [True, True, True])
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# l1 sets broad timestamp, will receive info about both channels again.
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l1.rpc.dev_send_timestamp_filter(id=l2.info['id'],
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first=0,
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range=0xFFFFFFFF)
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before_sendfilter = l1.daemon.logsearch_start
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# 0x0100 = channel_announcement
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# 0x0102 = channel_update
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# 0x0101 = node_announcement
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# The order of node_announcements relative to others is undefined.
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l1.daemon.wait_for_logs([r'\[IN\] 0102',
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r'\[IN\] 0102',
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r'\[IN\] 0100',
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r'\[IN\] 0100',
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r'\[IN\] 0102',
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r'\[IN\] 0102',
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r'\[IN\] 0101',
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r'\[IN\] 0101',
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r'\[IN\] 0101'])
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# Now timestamp which doesn't overlap (gives nothing).
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before_sendfilter = l1.daemon.logsearch_start
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l1.rpc.dev_send_timestamp_filter(id=l2.info['id'],
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first=0,
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range=before_anything)
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time.sleep(1)
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assert not l1.daemon.is_in_log(r'\[IN\] 0100', before_sendfilter)
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# Now choose range which will only give first update.
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l1.rpc.dev_send_timestamp_filter(id=l2.info['id'],
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first=before_anything,
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range=after_12 - before_anything + 1)
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# 0x0100 = channel_announcement
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l1.daemon.wait_for_log(r'\[IN\] 0100')
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# 0x0102 = channel_update
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# (Node announcement may have any timestamp)
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l1.daemon.wait_for_log(r'\[IN\] 0102')
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l1.daemon.wait_for_log(r'\[IN\] 0102')
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# Now choose range which will only give second update.
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l1.rpc.dev_send_timestamp_filter(id=l2.info['id'],
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first=after_12,
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range=after_23 - after_12 + 1)
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# 0x0100 = channel_announcement
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l1.daemon.wait_for_log(r'\[IN\] 0100')
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# 0x0102 = channel_update
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# (Node announcement may have any timestamp)
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l1.daemon.wait_for_log(r'\[IN\] 0102')
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l1.daemon.wait_for_log(r'\[IN\] 0102')
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@unittest.skipIf(not DEVELOPER, "needs --dev-allow-localhost")
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def test_connect_by_gossip(node_factory, bitcoind):
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"""Test connecting to an unknown peer using node gossip
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"""
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# l1 announces a bogus addresses.
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l1, l2, l3 = node_factory.get_nodes(3,
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opts=[{'announce-addr':
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['127.0.0.1:2',
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'[::]:2',
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'3fyb44wdhnd2ghhl.onion',
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'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion'],
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'dev-allow-localhost': None},
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{},
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{'dev-allow-localhost': None,
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'log-level': 'io'}])
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l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
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# Nodes are gossiped only if they have channels
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chanid = l2.fund_channel(l3, 10**6)
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bitcoind.generate_block(5)
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# Let channel reach announcement depth
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l2.wait_channel_active(chanid)
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# Make sure l3 has given node announcement to l2.
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l2.daemon.wait_for_logs(['Received node_announcement for node {}'.format(l3.info['id'])])
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# Let l1 learn of l3 by node gossip
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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l1.daemon.wait_for_logs(['Received node_announcement for node {}'.format(l3.info['id'])])
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# Have l1 connect to l3 without explicit host and port.
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l1.rpc.connect(l3.info['id'])
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@unittest.skipIf(not DEVELOPER, "DEVELOPER=1 needed to speed up gossip propagation, would be too long otherwise")
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def test_gossip_jsonrpc(node_factory):
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l1, l2 = node_factory.line_graph(2, fundchannel=True, wait_for_announce=False)
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# Shouldn't send announce signatures until 6 deep.
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assert not l1.daemon.is_in_log('peer_out WIRE_ANNOUNCEMENT_SIGNATURES')
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# Channels should be activated locally
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wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
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wait_for(lambda: len(l2.rpc.listchannels()['channels']) == 2)
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# Make sure we can route through the channel, will raise on failure
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l1.rpc.getroute(l2.info['id'], 100, 1)
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# Outgoing should be active, but not public.
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channels1 = l1.rpc.listchannels()['channels']
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channels2 = l2.rpc.listchannels()['channels']
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assert [c['active'] for c in channels1] == [True, True]
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assert [c['active'] for c in channels2] == [True, True]
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# The incoming direction will be considered public, hence check for out
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# outgoing only
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assert len([c for c in channels1 if not c['public']]) == 2
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assert len([c for c in channels2 if not c['public']]) == 2
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# Test listchannels-by-source
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channels1 = l1.rpc.listchannels(source=l1.info['id'])['channels']
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channels2 = l2.rpc.listchannels(source=l1.info['id'])['channels']
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assert only_one(channels1)['source'] == l1.info['id']
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assert only_one(channels1)['destination'] == l2.info['id']
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assert channels1 == channels2
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l2.rpc.listchannels()['channels']
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# Now proceed to funding-depth and do a full gossip round
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l1.bitcoin.generate_block(5)
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# Could happen in either order.
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l1.daemon.wait_for_logs(['peer_out WIRE_ANNOUNCEMENT_SIGNATURES',
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'peer_in WIRE_ANNOUNCEMENT_SIGNATURES'])
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# Just wait for the update to kick off and then check the effect
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needle = "Received node_announcement for node"
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l1.daemon.wait_for_log(needle)
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l2.daemon.wait_for_log(needle)
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# Need to increase timeout, intervals cannot be shortened with DEVELOPER=0
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wait_for(lambda: len(l1.getactivechannels()) == 2, timeout=60)
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wait_for(lambda: len(l2.getactivechannels()) == 2, timeout=60)
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nodes = l1.rpc.listnodes()['nodes']
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assert set([n['nodeid'] for n in nodes]) == set([l1.info['id'], l2.info['id']])
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# Test listnodes with an arg, while we're here.
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n1 = l1.rpc.listnodes(l1.info['id'])['nodes'][0]
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n2 = l1.rpc.listnodes(l2.info['id'])['nodes'][0]
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assert n1['nodeid'] == l1.info['id']
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assert n2['nodeid'] == l2.info['id']
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# Might not have seen other node-announce yet.
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assert n1['alias'].startswith('JUNIORBEAM')
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assert n1['color'] == '0266e4'
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if 'alias' not in n2:
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assert 'color' not in n2
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assert 'addresses' not in n2
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else:
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assert n2['alias'].startswith('SILENTARTIST')
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assert n2['color'] == '022d22'
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assert [c['active'] for c in l1.rpc.listchannels()['channels']] == [True, True]
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assert [c['public'] for c in l1.rpc.listchannels()['channels']] == [True, True]
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assert [c['active'] for c in l2.rpc.listchannels()['channels']] == [True, True]
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assert [c['public'] for c in l2.rpc.listchannels()['channels']] == [True, True]
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@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for --dev-broadcast-interval")
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def test_gossip_badsig(node_factory):
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"""Make sure node announcement signatures are ok.
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This is a smoke test to see if signatures fail. This used to be the case
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occasionally before PR #276 was merged: we'd be waiting for the HSM to reply
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with a signature and would then regenerate the message, which might roll the
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timestamp, invalidating the signature.
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"""
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l1, l2, l3 = node_factory.get_nodes(3)
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# l2 connects to both, so l1 can't reconnect and thus l2 drops to chain
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l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
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l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
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l2.fund_channel(l1, 10**6)
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l2.fund_channel(l3, 10**6)
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# Wait for route propagation.
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l1.bitcoin.generate_block(5)
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l1.daemon.wait_for_log('Received node_announcement for node {}'
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.format(l3.info['id']))
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assert not l1.daemon.is_in_log('signature verification failed')
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assert not l2.daemon.is_in_log('signature verification failed')
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assert not l3.daemon.is_in_log('signature verification failed')
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def test_gossip_weirdalias(node_factory, bitcoind):
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weird_name = '\t \n \" \n \r \n \\'
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normal_name = 'Normal name'
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opts = [
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{'alias': weird_name},
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{'alias': normal_name}
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]
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l1, l2 = node_factory.get_nodes(2, opts=opts)
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weird_name_json = json.encoder.JSONEncoder().encode(weird_name)[1:-1].replace('\\', '\\\\')
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aliasline = l1.daemon.is_in_log('Server started with public key .* alias')
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assert weird_name_json in str(aliasline)
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assert l2.daemon.is_in_log('Server started with public key .* alias {}'
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.format(normal_name))
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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l2.daemon.wait_for_log('openingd-{} chan #1: Handed peer, entering loop'.format(l1.info['id']))
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l2.fund_channel(l1, 10**6)
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bitcoind.generate_block(6)
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# They should gossip together.
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l1.daemon.wait_for_log('Received node_announcement for node {}'
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.format(l2.info['id']))
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l2.daemon.wait_for_log('Received node_announcement for node {}'
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.format(l1.info['id']))
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node = l1.rpc.listnodes(l1.info['id'])['nodes'][0]
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assert node['alias'] == weird_name
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node = l2.rpc.listnodes(l1.info['id'])['nodes'][0]
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assert node['alias'] == weird_name
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@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for --dev-no-reconnect")
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def test_gossip_persistence(node_factory, bitcoind):
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"""Gossip for a while, restart and it should remember.
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Also tests for funding outpoint spends, and they should be persisted
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too.
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"""
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opts = {'dev-no-reconnect': None, 'may_reconnect': True}
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l1, l2, l3, l4 = node_factory.get_nodes(4, opts=opts)
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
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l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
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l1.fund_channel(l2, 10**6)
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l2.fund_channel(l3, 10**6)
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# Make channels public, except for l3 -> l4, which is kept local-only for now
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bitcoind.generate_block(5)
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l3.fund_channel(l4, 10**6)
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bitcoind.generate_block(1)
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def count_active(node):
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chans = node.rpc.listchannels()['channels']
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active = [c for c in chans if c['active']]
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return len(active)
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# Channels should be activated
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wait_for(lambda: count_active(l1) == 4)
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wait_for(lambda: count_active(l2) == 4)
|
|
wait_for(lambda: count_active(l3) == 6) # 4 public + 2 local
|
|
|
|
# l1 restarts and doesn't connect, but loads from persisted store, all
|
|
# local channels should be disabled, leaving only the two l2 <-> l3
|
|
# directions
|
|
l1.restart()
|
|
wait_for(lambda: count_active(l1) == 2)
|
|
|
|
# Now reconnect, they should re-enable the two l1 <-> l2 directions
|
|
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
wait_for(lambda: count_active(l1) == 4)
|
|
|
|
# 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'])
|
|
time.sleep(1)
|
|
bitcoind.generate_block(1)
|
|
|
|
wait_for(lambda: count_active(l1) == 2)
|
|
wait_for(lambda: count_active(l2) == 2)
|
|
wait_for(lambda: count_active(l3) == 4) # 2 public + 2 local
|
|
|
|
# We should have one local-only channel
|
|
def count_non_public(node):
|
|
chans = node.rpc.listchannels()['channels']
|
|
nonpublic = [c for c in chans if not c['public']]
|
|
return len(nonpublic)
|
|
|
|
# The channel l3 -> l4 should be known only to them
|
|
assert count_non_public(l1) == 0
|
|
assert count_non_public(l2) == 0
|
|
wait_for(lambda: count_non_public(l3) == 2)
|
|
wait_for(lambda: count_non_public(l4) == 2)
|
|
|
|
# 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: count_active(l3) == 4) # 2 public + 2 local
|
|
|
|
# Both l3 and l4 should remember their local-only channel
|
|
wait_for(lambda: count_non_public(l3) == 2)
|
|
wait_for(lambda: count_non_public(l4) == 2)
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
|
|
def test_routing_gossip_reconnect(node_factory):
|
|
# Connect two peers, reconnect and then see if we resume the
|
|
# gossip.
|
|
disconnects = ['-WIRE_CHANNEL_ANNOUNCEMENT']
|
|
l1 = node_factory.get_node(disconnect=disconnects,
|
|
may_reconnect=True)
|
|
l2 = node_factory.get_node(may_reconnect=True)
|
|
l3 = node_factory.get_node()
|
|
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
l1.openchannel(l2, 20000)
|
|
|
|
# Now open new channels and everybody should sync
|
|
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
|
|
l2.openchannel(l3, 20000)
|
|
|
|
# Settle the gossip
|
|
for n in [l1, l2, l3]:
|
|
wait_for(lambda: len(n.rpc.listchannels()['channels']) == 4)
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
|
|
def test_gossip_no_empty_announcements(node_factory, bitcoind):
|
|
# Need full IO logging so we can see gossip
|
|
opts = {'log-level': 'io'}
|
|
l1, l2 = node_factory.get_nodes(2, opts=opts)
|
|
# l3 sends CHANNEL_ANNOUNCEMENT to l2, but not CHANNEL_UDPATE.
|
|
l3 = node_factory.get_node(disconnect=['+WIRE_CHANNEL_ANNOUNCEMENT'],
|
|
options={'dev-no-reconnect': None},
|
|
may_reconnect=True)
|
|
l4 = node_factory.get_node(may_reconnect=True)
|
|
|
|
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)
|
|
|
|
# Turn on IO logging for openingd (make sure it's ready!)
|
|
l1.daemon.wait_for_log('openingd-.*: Handed peer, entering loop')
|
|
subprocess.run(['kill', '-USR1', l1.subd_pid('openingd')])
|
|
l2.daemon.wait_for_log('openingd-{}.*: Handed peer, entering loop'.format(l3.info['id']))
|
|
subprocess.run(['kill', '-USR1', l2.subd_pid('openingd-{}'.format(l3.info['id']))])
|
|
|
|
# Make an announced-but-not-updated channel.
|
|
l3.fund_channel(l4, 10**5)
|
|
bitcoind.generate_block(5)
|
|
|
|
# 0x0100 = channel_announcement, which goes to l2 before l3 dies.
|
|
l2.daemon.wait_for_log(r'\[IN\] 0100')
|
|
|
|
# l3 actually disconnects from l4 *and* l2! That means we never see
|
|
# the (delayed) channel_update from l4.
|
|
wait_for(lambda: not l3.rpc.listpeers(l4.info['id'])['peers'][0]['connected'])
|
|
l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
|
|
|
|
# But it never goes to l1, as there's no channel_update.
|
|
time.sleep(2)
|
|
assert not l1.daemon.is_in_log(r'\[IN\] 0100')
|
|
assert len(l1.rpc.listchannels()['channels']) == 0
|
|
|
|
# If we reconnect, gossip will now flow.
|
|
l3.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for --dev-broadcast-interval")
|
|
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, 20000)
|
|
|
|
# Allow announce messages.
|
|
bitcoind.generate_block(5)
|
|
|
|
# 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))
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
|
|
def test_gossip_query_channel_range(node_factory, bitcoind):
|
|
l1, l2, l3, l4 = node_factory.line_graph(4, opts={'log-level': 'io'},
|
|
fundchannel=False)
|
|
|
|
# Make public channels on consecutive blocks
|
|
l1.fundwallet(10**6)
|
|
l2.fundwallet(10**6)
|
|
|
|
num_tx = len(bitcoind.rpc.getrawmempool())
|
|
l1.rpc.fundchannel(l2.info['id'], 10**5)['tx']
|
|
wait_for(lambda: len(bitcoind.rpc.getrawmempool()) == num_tx + 1)
|
|
bitcoind.generate_block(1)
|
|
|
|
num_tx = len(bitcoind.rpc.getrawmempool())
|
|
l2.rpc.fundchannel(l3.info['id'], 10**5)['tx']
|
|
wait_for(lambda: len(bitcoind.rpc.getrawmempool()) == num_tx + 1)
|
|
bitcoind.generate_block(1)
|
|
|
|
# Get them both to gossip depth.
|
|
bitcoind.generate_block(5)
|
|
|
|
# Make sure l2 has received all the gossip.
|
|
l2.daemon.wait_for_logs(['Received node_announcement for node ' + l1.info['id'],
|
|
'Received node_announcement for node ' + l3.info['id']])
|
|
|
|
scid12 = only_one(l1.rpc.listpeers(l2.info['id'])['peers'])['channels'][0]['short_channel_id']
|
|
scid23 = only_one(l3.rpc.listpeers(l2.info['id'])['peers'])['channels'][0]['short_channel_id']
|
|
block12 = int(scid12.split('x')[0])
|
|
block23 = int(scid23.split('x')[0])
|
|
|
|
assert block23 == block12 + 1
|
|
|
|
# l1 asks for all channels, gets both.
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=1000000)
|
|
|
|
assert ret['final_first_block'] == 0
|
|
assert ret['final_num_blocks'] == 1000000
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 2
|
|
assert ret['short_channel_ids'][0] == scid12
|
|
assert ret['short_channel_ids'][1] == scid23
|
|
|
|
# Does not include scid12
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=block12)
|
|
assert ret['final_first_block'] == 0
|
|
assert ret['final_num_blocks'] == block12
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 0
|
|
|
|
# Does include scid12
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=block12 + 1)
|
|
assert ret['final_first_block'] == 0
|
|
assert ret['final_num_blocks'] == block12 + 1
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 1
|
|
assert ret['short_channel_ids'][0] == scid12
|
|
|
|
# Doesn't include scid23
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=block23)
|
|
assert ret['final_first_block'] == 0
|
|
assert ret['final_num_blocks'] == block23
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 1
|
|
assert ret['short_channel_ids'][0] == scid12
|
|
|
|
# Does include scid23
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=block12,
|
|
num=block23 - block12 + 1)
|
|
assert ret['final_first_block'] == block12
|
|
assert ret['final_num_blocks'] == block23 - block12 + 1
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 2
|
|
assert ret['short_channel_ids'][0] == scid12
|
|
assert ret['short_channel_ids'][1] == scid23
|
|
|
|
# Only includes scid23
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=block23,
|
|
num=1)
|
|
assert ret['final_first_block'] == block23
|
|
assert ret['final_num_blocks'] == 1
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 1
|
|
assert ret['short_channel_ids'][0] == scid23
|
|
|
|
# Past both
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=block23 + 1,
|
|
num=1000000)
|
|
assert ret['final_first_block'] == block23 + 1
|
|
assert ret['final_num_blocks'] == 1000000
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 0
|
|
|
|
# Turn on IO logging in l1 channeld.
|
|
subprocess.run(['kill', '-USR1', l1.subd_pid('channeld')])
|
|
|
|
# Make l2 split reply into two (technically async)
|
|
l2.rpc.dev_set_max_scids_encode_size(max=9)
|
|
l2.daemon.wait_for_log('Set max_scids_encode_bytes to 9')
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=1000000)
|
|
|
|
# Turns out it sends: 0+53, 53+26, 79+13, 92+7, 99+3, 102+2, 104+1, 105+999895
|
|
l1.daemon.wait_for_logs([r'\[IN\] 0108'] * 8)
|
|
|
|
# It should definitely have split
|
|
assert ret['final_first_block'] != 0 or ret['final_num_blocks'] != 1000000
|
|
assert ret['final_complete']
|
|
assert len(ret['short_channel_ids']) == 2
|
|
assert ret['short_channel_ids'][0] == scid12
|
|
assert ret['short_channel_ids'][1] == scid23
|
|
l2.daemon.wait_for_log('queue_channel_ranges full: splitting')
|
|
|
|
# Test overflow case doesn't split forever; should still only get 8 for this
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=1,
|
|
num=429496000)
|
|
l1.daemon.wait_for_logs([r'\[IN\] 0108'] * 8)
|
|
|
|
# And no more!
|
|
time.sleep(1)
|
|
assert not l1.daemon.is_in_log(r'\[IN\] 0108', start=l1.daemon.logsearch_start)
|
|
|
|
# This should actually be large enough for zlib to kick in!
|
|
l3.fund_channel(l4, 10**5)
|
|
bitcoind.generate_block(5)
|
|
l2.daemon.wait_for_log('Received node_announcement for node ' + l4.info['id'])
|
|
|
|
# Restore infinite encode size.
|
|
l2.rpc.dev_set_max_scids_encode_size(max=(2**32 - 1))
|
|
l2.daemon.wait_for_log('Set max_scids_encode_bytes to {}'
|
|
.format(2**32 - 1))
|
|
|
|
ret = l1.rpc.dev_query_channel_range(id=l2.info['id'],
|
|
first=0,
|
|
num=65535)
|
|
l1.daemon.wait_for_log(
|
|
# WIRE_REPLY_CHANNEL_RANGE
|
|
r'\[IN\] 0108'
|
|
# chain_hash
|
|
+ '................................................................'
|
|
# first_blocknum
|
|
+ '00000000'
|
|
# number_of_blocks
|
|
+ '0000ffff'
|
|
# complete
|
|
+ '01'
|
|
# length
|
|
+ '....'
|
|
# encoding
|
|
+ '01'
|
|
)
|
|
|
|
|
|
# Long test involving 4 lightningd instances.
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
|
|
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.
|
|
|
|
def fund_from_to_payer(lsrc, ldst, lpayer):
|
|
lsrc.rpc.connect(ldst.info['id'], 'localhost', ldst.port)
|
|
c = lsrc.fund_channel(ldst, 10000000)
|
|
bitcoind.generate_block(5)
|
|
lpayer.wait_for_routes([c])
|
|
|
|
# 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)
|
|
channels.append(src.fund_channel(dst, 10**6))
|
|
bitcoind.generate_block(5)
|
|
|
|
for c in channels:
|
|
l1.wait_channel_active(c)
|
|
|
|
# Test
|
|
inv = l4.rpc.invoice(1234567, 'inv', 'for testing')['bolt11']
|
|
l1.rpc.pay(inv)
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
|
|
def test_query_short_channel_id(node_factory, bitcoind):
|
|
l1 = node_factory.get_node(options={'log-level': 'io'})
|
|
l2 = node_factory.get_node()
|
|
l3 = node_factory.get_node()
|
|
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
|
|
|
|
# Need full IO logging so we can see gossip (from openingd and channeld)
|
|
l1.daemon.wait_for_log('openingd-.*: Handed peer, entering loop')
|
|
subprocess.run(['kill', '-USR1', l1.subd_pid('openingd')])
|
|
|
|
# Empty result tests.
|
|
reply = l1.rpc.dev_query_scids(l2.info['id'], ['1x1x1', '2x2x2'])
|
|
# 0x0105 = query_short_channel_ids
|
|
l1.daemon.wait_for_log(r'\[OUT\] 0105.*0000000100000100010000020000020002')
|
|
assert reply['complete']
|
|
|
|
# Make channels public.
|
|
scid12 = l1.fund_channel(l2, 10**5)
|
|
scid23 = l2.fund_channel(l3, 10**5)
|
|
bitcoind.generate_block(5)
|
|
|
|
# It will know about everything.
|
|
l1.daemon.wait_for_log('Received node_announcement for node {}'.format(l3.info['id']))
|
|
subprocess.run(['kill', '-USR1', l1.subd_pid('channeld')])
|
|
|
|
# This query should get channel announcements, channel updates, and node announcements.
|
|
reply = l1.rpc.dev_query_scids(l2.info['id'], [scid23])
|
|
# 0x0105 = query_short_channel_ids
|
|
l1.daemon.wait_for_log(r'\[OUT\] 0105')
|
|
assert reply['complete']
|
|
|
|
# 0x0100 = channel_announcement
|
|
l1.daemon.wait_for_log(r'\[IN\] 0100')
|
|
# 0x0102 = channel_update
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
# 0x0101 = node_announcement
|
|
l1.daemon.wait_for_log(r'\[IN\] 0101')
|
|
l1.daemon.wait_for_log(r'\[IN\] 0101')
|
|
|
|
reply = l1.rpc.dev_query_scids(l2.info['id'], [scid12, scid23])
|
|
assert reply['complete']
|
|
# Technically, this order could be different, but this matches code.
|
|
# 0x0100 = channel_announcement
|
|
l1.daemon.wait_for_log(r'\[IN\] 0100')
|
|
# 0x0102 = channel_update
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
# 0x0100 = channel_announcement
|
|
l1.daemon.wait_for_log(r'\[IN\] 0100')
|
|
# 0x0102 = channel_update
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
l1.daemon.wait_for_log(r'\[IN\] 0102')
|
|
# 0x0101 = node_announcement
|
|
l1.daemon.wait_for_log(r'\[IN\] 0101')
|
|
l1.daemon.wait_for_log(r'\[IN\] 0101')
|
|
|
|
|
|
def test_gossip_addresses(node_factory, bitcoind):
|
|
l1 = node_factory.get_node(options={'announce-addr': [
|
|
'[::]:3',
|
|
'127.0.0.1:2',
|
|
'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion',
|
|
'3fyb44wdhnd2ghhl.onion:1234'
|
|
]})
|
|
l2 = node_factory.get_node()
|
|
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
|
|
l1.fund_channel(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']
|
|
assert len(nodes) == 1 and nodes[0]['addresses'] == [
|
|
{'type': 'ipv4', 'address': '127.0.0.1', 'port': 2},
|
|
{'type': 'ipv6', 'address': '::', 'port': 3},
|
|
{'type': 'torv2', 'address': '3fyb44wdhnd2ghhl.onion', 'port': 1234},
|
|
{'type': 'torv3', 'address': 'vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion', 'port': 9735}
|
|
]
|
|
|
|
|
|
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, 'gossip_store'), 'wb') as f:
|
|
f.write(bytearray.fromhex("03" # GOSSIP_VERSION
|
|
"000001bc" # len
|
|
"521ef598" # csum
|
|
"1000" # WIRE_GOSSIP_STORE_CHANNEL_ANNOUNCEMENT
|
|
"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"
|
|
"00000086" # len
|
|
"88c703c8" # csum
|
|
"1001" # WIRE_GOSSIP_STORE_CHANNEL_UPDATE
|
|
"008201021ea7c2eadf8a29eb8690511a519b5656e29aa0a853771c4e38e65c5abf43d907295a915e69e451f4c7a0c3dc13dd943cfbe3ae88c0b96667cd7d58955dbfedcf43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000013a63c0000b500015b8d9b440000009000000000000003e8000003e800000001"
|
|
"00000099" # len
|
|
"12abbbba" # csum
|
|
"1002" # WIRE_GOSSIP_STORE_NODE_ANNOUNCEMENT
|
|
"00950101cf5d870bc7ecabcb7cd16898ef66891e5f0c6c5851bd85b670f03d325bc44d7544d367cd852e18ec03f7f4ff369b06860a3b12b07b29f36fb318ca11348bf8ec00005aab817c03f113414ebdc6c1fb0f33c99cd5a1d09dd79e7fdf2468cf1fe1af6674361695d23974b250757a7a6c6549544300000000000000000000000000000000000000000000000007010566933e2607"))
|
|
|
|
l1.start()
|
|
# May preceed the Started msg waited for in 'start'.
|
|
wait_for(lambda: l1.daemon.is_in_log('gossip_store: Read 1/1/1/0 cannounce/cupdate/nannounce/cdelete from store in 744 bytes'))
|
|
assert not l1.daemon.is_in_log('gossip_store.*truncating')
|
|
|
|
|
|
@unittest.skipIf(not DEVELOPER, "Needs fast gossip propagation")
|
|
def test_node_reannounce(node_factory, bitcoind):
|
|
"Test that we reannounce a node when parameters change"
|
|
l1, l2 = node_factory.line_graph(2, opts={'may_reconnect': True,
|
|
'log_all_io': True})
|
|
bitcoind.generate_block(5)
|
|
|
|
# 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')
|
|
|
|
l1.stop()
|
|
l1.daemon.opts['alias'] = 'SENIORBEAM'
|
|
l1.start()
|
|
|
|
# Wait for l1 to send us its own node_announcement.
|
|
nannouncement = l2.daemon.wait_for_log(r'{}.*\[IN\] 0101.*{}'.format(l1.info['id'], l1.info['id'])).split('[IN] ')[1]
|
|
wait_for(lambda: only_one(l2.rpc.listnodes(l1.info['id'])['nodes'])['alias'] == 'SENIORBEAM')
|
|
|
|
# Restart should re-xmit exact same update on reconnect.
|
|
l1.restart()
|
|
|
|
# l1 should retransmit it exactly the same (no timestamp change!)
|
|
l2.daemon.wait_for_log(r'{}.*\[IN\] {}'.format(l1.info['id'], nannouncement))
|
|
|
|
|
|
def test_gossipwith(node_factory):
|
|
l1, l2 = node_factory.line_graph(2, wait_for_announce=True)
|
|
|
|
out = subprocess.run(['devtools/gossipwith',
|
|
'--initial-sync',
|
|
'--max-messages=5',
|
|
'{}@localhost:{}'.format(l1.info['id'], l1.port)],
|
|
check=True,
|
|
timeout=TIMEOUT, stdout=subprocess.PIPE).stdout
|
|
|
|
num_msgs = 0
|
|
while len(out):
|
|
l, t = struct.unpack('>HH', out[0:4])
|
|
# channel_announcement node_announcement or channel_update
|
|
assert t == 256 or t == 257 or t == 258
|
|
out = out[2 + l:]
|
|
num_msgs += 1
|
|
|
|
# one channel announcement, two channel_updates, two node announcements.
|
|
assert num_msgs == 5
|
|
|
|
|
|
def test_gossip_notices_close(node_factory, bitcoind):
|
|
# We want IO logging so we can replay a channel_announce to l1.
|
|
l1 = node_factory.get_node(options={'log-level': 'io'})
|
|
l2, l3 = node_factory.line_graph(2)
|
|
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
|
|
# FIXME: sending SIGUSR1 immediately may kill it before handler installed.
|
|
l1.daemon.wait_for_log('Handed peer, entering loop')
|
|
subprocess.run(['kill', '-USR1', l1.subd_pid('openingd')])
|
|
|
|
bitcoind.generate_block(5)
|
|
|
|
# Make sure l1 learns about channel.
|
|
wait_for(lambda: len(l1.rpc.listchannels()['channels']) == 2)
|
|
wait_for(lambda: len(l1.rpc.listnodes()['nodes']) == 2)
|
|
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]
|
|
|
|
l2.rpc.close(l3.info['id'])
|
|
wait_for(lambda: only_one(l2.rpc.listpeers(l3.info['id'])['peers'])['channels'][0]['state'] == 'CLOSINGD_COMPLETE')
|
|
bitcoind.generate_block(1)
|
|
|
|
wait_for(lambda: l1.rpc.listchannels()['channels'] == [])
|
|
wait_for(lambda: l1.rpc.listnodes()['nodes'] == [])
|
|
|
|
# FIXME: This is a hack: we should have a framework for canned conversations
|
|
# This doesn't naturally terminate, so we give it 5 seconds.
|
|
try:
|
|
subprocess.run(['devtools/gossipwith',
|
|
'{}@localhost:{}'.format(l1.info['id'], l1.port),
|
|
channel_announcement,
|
|
channel_update,
|
|
node_announcement],
|
|
timeout=5, stdout=subprocess.PIPE)
|
|
except subprocess.TimeoutExpired:
|
|
pass
|
|
|
|
# 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(node_factory, bitcoind):
|
|
"""Test getroute's exclude argument"""
|
|
l1, l2, l3, l4 = node_factory.line_graph(4, 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])
|
|
|
|
# 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.fund_channel(l4, 1000000, wait_for_active=False)
|
|
bitcoind.generate_block(5)
|
|
|
|
# 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 doesn't
|
|
with pytest.raises(RpcError):
|
|
l1.rpc.getroute(l4.info['id'], 1, 1, exclude=[chan_l2l3, chan_l2l4])
|
|
|