Function test_rbf_reconnect_ack

tests/test_opening.py:572–616

(node_factory, bitcoind, chainparams)

@pytest.mark.developer("uses dev-disconnect")
@pytest.mark.openchannel('v2')
def test_rbf_reconnect_ack(node_factory, bitcoind, chainparams):
    disconnects = ['-WIRE_ACK_RBF',
                   '+WIRE_ACK_RBF']

    l1, l2 = node_factory.get_nodes(2,
                                    opts=[{'may_reconnect': True},
                                          {'disconnect': disconnects,
                                           'may_reconnect': True}])

    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    amount = 2**24
    chan_amount = 100000
    bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'], amount / 10**8 + 0.01)
    bitcoind.generate_block(1)
    # Wait for it to arrive.
    wait_for(lambda: len(l1.rpc.listfunds()['outputs']) > 0)

    res = l1.rpc.fundchannel(l2.info['id'], chan_amount)
    chan_id = res['channel_id']
    vins = bitcoind.rpc.decoderawtransaction(res['tx'])['vin']
    assert(only_one(vins))
    prev_utxos = ["{}:{}".format(vins[0]['txid'], vins[0]['vout'])]

    # Check that we're waiting for lockin
    l1.daemon.wait_for_log(' to DUALOPEND_AWAITING_LOCKIN')

    next_feerate = find_next_feerate(l1, l2)

    # Initiate an RBF
    startweight = 42 + 172  # base weight, funding output
    initpsbt = l1.rpc.utxopsbt(chan_amount, next_feerate, startweight,
                               prev_utxos, reservedok=True,
                               min_witness_weight=110,
                               excess_as_change=True)

    # Do the bump!?
    for d in disconnects:
        l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
        with pytest.raises(RpcError):
            l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])
        assert l1.rpc.getpeer(l2.info['id']) is not None

    # This should succeed
    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
    l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])


@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')