code: func ValidateTransactionTrytes(trytes ...Trytes) Validatable {
  	return func() error {
  		for i := range trytes {
  			if !IsTransactionTrytes(trytes[i]) {
  				return errors.Wrapf(ErrInvalidTransactionTrytes, "at index %d", i)
  			}
  		}
  		return nil
  	}
  }
docs: // ValidateTransactionTrytes validates the given transaction trytes.