Function test_fail_unconfirmed_openchannel2

tests/test_connection.py:3397–3439

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)

@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@pytest.mark.openchannel('v2')
def test_fail_unconfirmed_openchannel2(node_factory, bitcoind, executor):
    """Test that if we crash with an unconfirmed connection to a known
    peer, we don't have a dangling peer in db"""
    # = is a NOOP disconnect, but sets up file.
    l1 = node_factory.get_node(disconnect=['=WIRE_OPEN_CHANNEL2'])
    l2 = node_factory.get_node()

    # First one, we close by mutual agreement.
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    l1.fundchannel(l2, 200000, wait_for_active=True)
    l1.rpc.close(l2.info['id'])

    # Make sure it's closed
    l1.wait_for_channel_onchain(l2.info['id'])
    bitcoind.generate_block(1)
    l1.daemon.wait_for_log('State changed from CLOSINGD_COMPLETE to FUNDING_SPEND_SEEN')

    l1.stop()
    # Mangle disconnect file so this time it blackholes....
    with open(l1.daemon.disconnect_file, "w") as f:
        f.write("0WIRE_OPEN_CHANNEL2\n")
    l1.start()

    # Now we establish a new channel, which gets stuck.
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    l1.fundwallet(10**7)
    executor.submit(l1.rpc.fundchannel, l2.info['id'], 100000)

    l1.daemon.wait_for_log("dev_disconnect")

    # Now complete old channel.
    bitcoind.generate_block(100)
    l1.daemon.wait_for_log('onchaind complete, forgetting peer')

    # And crash l1, which is stuck.
    l1.daemon.kill()

    # Now, restart and see if it can connect OK.
    l1.daemon.disconnect = None
    l1.start()

    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    l1.fundchannel(l2, 200000, wait_for_active=True)


@pytest.mark.openchannel('v1')