func (rsc *virtualPointLogRsc) SumPrizePoints(startDate time.Time, endDate time.Time) ([]ScoreSum, error)
func (rsc *coinFlipRequestsRsc) SumValueOfPlayedItems(startDate time.Time, endDate time.Time, takeInitiator bool) ([]CoinFlipGameSum, error)
func (rsc *coinFlipRequestsRsc) SumValueOfWonItems(startDate time.Time, endDate time.Time, takeInitiator bool) ([]CoinFlipGameSum, error)