code: func (s *PublicTxPoolAPI) Status() map[string]hexutil.Uint {
  	pending, queue := s.b.Stats()
  	return map[string]hexutil.Uint{
  		"pending": hexutil.Uint(pending),
  		"queued":  hexutil.Uint(queue),
  	}
  }
docs: // Status returns the number of pending and queued transaction in the pool.