public HashRates SaveHashRates(long hashes)
        {
            HashRatesDac dac   = new HashRatesDac();
            HashRates    rates = new HashRates();

            rates.Time   = Time.EpochTime;
            rates.Hashes = hashes;

            dac.Insert(rates);
            return(rates);
        }
        public HashRates SelectById(long id)
        {
            HashRatesDac dac = new HashRatesDac();

            return(dac.SelectById(id));
        }
        public bool IsExist(long id)
        {
            HashRatesDac dac = new HashRatesDac();

            return(dac.IsExisted(id));
        }
        public void Update(HashRates entity)
        {
            HashRatesDac dac = new HashRatesDac();

            dac.Update(entity);
        }
        public void Delete(long id)
        {
            HashRatesDac dac = new HashRatesDac();

            dac.Delete(id);
        }
        public List <HashRates> SelectAll()
        {
            HashRatesDac dac = new HashRatesDac();

            return(dac.SelectAll());
        }