code: func NewListUnspentCmd(minConf, maxConf *int, addresses *[]string) *ListUnspentCmd {
  	return &ListUnspentCmd{
  		MinConf:   minConf,
  		MaxConf:   maxConf,
  		Addresses: addresses,
  	}
  }
docs: // NewListUnspentCmd returns a new instance which can be used to issue a
  // listunspent JSON-RPC command.
  //
  // The parameters which are pointers indicate they are optional.  Passing nil
  // for optional parameters will use the default value.