// Check that using an unsupported shutdown script fails and a supported one succeeds.
let supported_shutdown_script = chanmon_cfgs[1].keys_manager.get_shutdown_scriptpubkey();
let unsupported_shutdown_script =
// Check that using an unsupported shutdown script fails and a supported one succeeds.
let supported_shutdown_script = chanmon_cfgs[1].keys_manager.get_shutdown_scriptpubkey();
let unsupported_shutdown_script =