Function execute_script

tests/test_splice.py:621–635

(node_factory, bitcoind, script, expected_balances=None, fee_multiplier=None)

#   by the fee * fee_multiplier. For example [0, -1] reduces the second channels expected balance
#   by the fee value
def execute_script(node_factory, bitcoind, script, expected_balances=None, fee_multiplier=None):
    nodes, chanids = make_chans(node_factory, script.count("{}"))
    result = nodes[1].rpc.splice(script.format(*chanids), debug_log=True)

    # Extract the fee that splice scripts thinks we're using from the logs
    nodes[1].daemon.wait_for_log(r'calc_in_ppm_and_fee starting calculations FINALIZING PASS')
    # It can either be "fee x" or "x fee" so we match on both
    logline = nodes[1].daemon.wait_for_log(r'(fee [0-9]+sat)|([0-9]+sat fee)')
    # Try both regex versions
    reg_res = re.search(r'fee ([0-9]+)sat', logline) or re.search(r'([0-9]+)sat fee', logline)

    # now we should know the fee
    fee = reg_res.group(1)

    verify_chans(nodes, bitcoind, result['txid'], chanids, int(fee), expected_balances, fee_multiplier)


@pytest.mark.openchannel('v1')