code: func validateTournamentInfo(info Info) error {
  	if info.Scheduled.IsZero() {
  		return errors.New("Tournament needs scheduled date")
  	}
  	if info.Stake == 0 {
  		return errors.New("Tournament needs a stake")
  	}
  	if info.Season == 0 {
  		return errors.New("Tournament needs a season")
  	}
  	return nil
  }
docs: //
  // Tournament related functions and methods
  //
  // Helpers