let unsupported_shutdown_script =
ShutdownScript::new_witness_program(WitnessVersion::V16, &[0, 40]).unwrap();
chanmon_cfgs[1].keys_manager
let unsupported_shutdown_script =
ShutdownScript::new_witness_program(WitnessVersion::V16, &[0, 40]).unwrap();
chanmon_cfgs[1].keys_manager