code: func (x *XC) FormatKey(ctx context.Context, id string) string {
  	if key := x.pubring.Get(id); key != nil {
  		return id + " - " + key.Identity.ID()
  	}
  	if key := x.secring.Get(id); key != nil {
  		return id + " - " + key.PublicKey.Identity.ID()
  	}
  	return id
  }
docs: // FormatKey formats a key