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pytest: Add a test for the gossip perstistence

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2018-03-28 13:02:09 +02:00
parent 63f22d70b5
commit e41d565103
1 changed files with 43 additions and 0 deletions
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43
tests/test_lightningd.py
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@ -2213,6 +2213,49 @@ class LightningDTests(BaseLightningDTests):
assert l3.info['id'] not in [n['nodeid'] for n in l1.rpc.listnodes()['nodes']]
assert l3.info['id'] not in [n['nodeid'] for n in l2.rpc.listnodes()['nodes']]
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for --dev-no-reconnect")
def test_gossip_persistence(self):
"""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']
l1 = self.node_factory.get_node(options=opts)
l2 = self.node_factory.get_node(options=opts)
l3 = self.node_factory.get_node(options=opts)
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
l2.rpc.connect(l3.info['id'], 'localhost', l3.info['port'])
self.fund_channel(l1, l2, 10**6)
self.fund_channel(l2, l3, 10**6)
l1.bitcoin.rpc.generate(6)
# Channels should be activated
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)
# l1 restarts and doesn't connect, but loads from persisted store
l1.restart()
assert [c['active'] for c in l1.rpc.listchannels()['channels']] == [True] * 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)
l1.bitcoin.rpc.generate(1)
wait_for(lambda: [c['active'] for c in l1.rpc.listchannels()['channels']] == [True] * 2)
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels()['channels']] == [True] * 2)
wait_for(lambda: [c['active'] for c in l3.rpc.listchannels()['channels']] == [True] * 2)
# Finally, it should also remember the deletion after a restart
l3.restart()
assert [c['active'] for c in l3.rpc.listchannels()['channels']] == [True] * 2
def ping_tests(self, l1, l2):
# 0-byte pong gives just type + length field.
ret = l1.rpc.dev_ping(l2.info['id'], 0, 0)