pub fn thing(id_req: String) -> impl IntoFuture<Item=DATA> {
  GLOBAL_NAME_CACHE
   .has_name(id)
   .or_else(|x| match x {
      Rename(name) => Ok(name),
      e => Err(e)
     })
   .and_then(|x| Tx::ro(&x))
   .or_else(|e| match e {
      NotFound(name) => Ok(RPC::new(name)),
      e => Err(e)
     })
}