mirrors/core-lightning
1
0
Fork 0
mirror of https://github.com/ElementsProject/lightning.git synced 2025-01-18 21:35:11 +01:00
Code Issues Projects Releases Wiki Activity

pytest: add test_funding_reorg_remote_lags

Browse Source 
Nodes may disagree about short_channel_id before channel
announcement.
This commit is contained in:
Simon Vrouwe 2019-05-03 09:27:19 +03:00 committed by Christian Decker
parent 5b0c174251
commit 52c84b2387
1 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
tests/test_misc.py
View File

@ -947,6 +947,55 @@ def test_funding_reorg_private(node_factory, bitcoind):
l2.daemon.wait_for_log(r'Deleting channel')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_funding_reorg_remote_lags(node_factory, bitcoind):
"""Nodes may disagree about short_channel_id before channel announcement
"""
# may_reconnect so channeld will restart
opts = {'funding-confirms': 1, 'may_reconnect': True}
l1, l2 = node_factory.line_graph(2, fundchannel=False, opts=opts)
l2.may_fail = True # mock_rpc causes dev_memleak
l1.fundwallet(10000000)
sync_blockheight(bitcoind, [l1]) # height 102
l1.rpc.fundchannel(l2.info['id'], "all")
bitcoind.generate_block(5) # heights 103 - 107
l1.wait_channel_active('103x1x0')
# Make l2 temporary blind for blocks > 107
def no_more_blocks(): # although the mock doesn't imitate exitstatus=8, it suffices
return {'code': -8, 'message': 'Block height out of range'}
l2.daemon.rpcproxy.mock_rpc('getblockhash', no_more_blocks)
# Reorg changes short_channel_id 103x1x0 to 103x2x0, l1 sees it, restarts channeld
bitcoind.simple_reorg(102, 1) # heights 102 - 108
l1.daemon.wait_for_log(r'Peer transient failure .* short_channel_id changed to 103x2x0 \(was 103x1x0\)')
# l1 watches at least one more funding confirmation
# to depth=7 and sends its announce signature
bitcoind.generate_block(1) # height 109
wait_for(lambda: only_one(l2.rpc.listpeers()['peers'][0]['channels'])['status'] == [
'CHANNELD_NORMAL:Reconnected, and reestablished.',
'CHANNELD_NORMAL:Funding transaction locked. They need our announcement signatures.'])
# Unblinding l2 brings it back in sync, restarts channeld and sends its announce sig
l2.daemon.rpcproxy.mock_rpc('getblockhash', None)
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('103x1x0')['channels']] == [False, False])
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('103x2x0')['channels']] == [True, True])
wait_for(lambda: only_one(l2.rpc.listpeers()['peers'][0]['channels'])['status'] == [
'CHANNELD_NORMAL:Reconnected, and reestablished.',
'CHANNELD_NORMAL:Funding transaction locked. Channel announced.'])
l1.rpc.close(l2.info['id']) # to ignore `Bad gossip order` error in killall
bitcoind.generate_block(1)
l1.daemon.wait_for_log(r'Deleting channel')
l2.daemon.wait_for_log(r'Deleting channel')
def test_rescan(node_factory, bitcoind):
"""Test the rescan option
"""