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hub / github.com/ElementsProject/lightning / test_fail_unconfirmed

Function test_fail_unconfirmed

tests/test_connection.py:3293–3342  ·  view source on GitHub ↗

Test that if we crash with an unconfirmed connection to a known peer, we don't have a dangling peer in db

(node_factory, bitcoind, executor)

Source from the content-addressed store, hash-verified

3291@pytest.mark.openchannel('v1')
3292@pytest.mark.openchannel('v2')
3293def test_fail_unconfirmed(node_factory, bitcoind, executor):
3294 """Test that if we crash with an unconfirmed connection to a known
3295 peer, we don't have a dangling peer in db"""
3296 if EXPERIMENTAL_DUAL_FUND:
3297 disconnect = ['=WIRE_OPEN_CHANNEL2']
3298 else:
3299 disconnect = ['=WIRE_OPEN_CHANNEL']
3300 # = is a NOOP disconnect, but sets up file.
3301 l1 = node_factory.get_node(disconnect=disconnect)
3302 l2 = node_factory.get_node()
3303
3304 # First one, we close by mutual agreement.
3305 l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
3306 l1.fundchannel(l2, 200000, wait_for_active=True)
3307 l1.rpc.close(l2.info['id'])
3308
3309 # Make sure it's closed
3310 l1.wait_for_channel_onchain(l2.info['id'])
3311 bitcoind.generate_block(1)
3312 l1.daemon.wait_for_log('State changed from CLOSINGD_COMPLETE to FUNDING_SPEND_SEEN')
3313
3314 l1.stop()
3315 # Mangle disconnect file so this time it blackholes....
3316 with open(l1.daemon.disconnect_file, "w") as f:
3317 if EXPERIMENTAL_DUAL_FUND:
3318 f.write("0WIRE_OPEN_CHANNEL2\n")
3319 else:
3320 f.write("0WIRE_OPEN_CHANNEL\n")
3321 l1.start()
3322
3323 # Now we establish a new channel, which gets stuck.
3324 l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
3325 l1.fundwallet(10**7)
3326 executor.submit(l1.rpc.fundchannel, l2.info['id'], 100000)
3327
3328 l1.daemon.wait_for_log("dev_disconnect")
3329
3330 # Now complete old channel.
3331 bitcoind.generate_block(100)
3332 l1.daemon.wait_for_log('onchaind complete, forgetting peer')
3333
3334 # And crash l1, which is stuck.
3335 l1.daemon.kill()
3336
3337 # Now, restart and see if it can connect OK.
3338 l1.daemon.disconnect = None
3339 l1.start()
3340
3341 l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
3342 l1.fundchannel(l2, 200000, wait_for_active=True)
3343
3344
3345@pytest.mark.skip('needs blackhold support')

Callers

nothing calls this directly

Calls 12

generate_blockMethod · 0.80
wait_for_logMethod · 0.80
fundwalletMethod · 0.80
killMethod · 0.80
get_nodeMethod · 0.45
connectMethod · 0.45
fundchannelMethod · 0.45
closeMethod · 0.45
stopMethod · 0.45
writeMethod · 0.45
startMethod · 0.45

Tested by

no test coverage detected