public List <TradeTicker> GetTickers(out long lotByGroupHash)
        {
            lotByGroupHash = 0;
            var ticks = new List <TradeTicker>();

            using (var ctx = DatabaseContext.Instance.Make())
            {
                foreach (var tradeTicker in ctx.SPOT)
                {
                    ticks.Add(LinqToEntity.DecorateTicker(tradeTicker));
                }
            }
            return(ticks);
        }