Function test_rbf_no_overlap

tests/test_opening.py:792–824

(node_factory, bitcoind, chainparams)

@unittest.skipIf(TEST_NETWORK != 'regtest', 'elementsd doesnt yet support PSBT features we need')
@pytest.mark.openchannel('v2')
def test_rbf_no_overlap(node_factory, bitcoind, chainparams):
    l1, l2 = node_factory.get_nodes(2,
                                    opts={'allow_warning': 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.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']

    # 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 (this grabs the non-reserved utxo, which isnt the
    # one we started with)
    startweight = 42 + 172  # base weight, funding output
    initpsbt = l1.rpc.fundpsbt(chan_amount, next_feerate, startweight,
                               min_witness_weight=110,
                               excess_as_change=True)

    # Do the bump
    bump = l1.rpc.openchannel_bump(chan_id, chan_amount, initpsbt['psbt'])

    with pytest.raises(RpcError, match='No overlapping input present.'):
        l1.rpc.openchannel_update(chan_id, bump['psbt'])


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