public override Task StopAsync(CancellationToken cancellationToken)
{
_logger.LogInformation($"Worker stopped at: {DateTime.Now}");
List <Product> products = new List <Product>
{
_exchangeService.Products.FirstOrDefault(x => x.BaseCurrency == "BTC" && x.QuoteCurrency == "EUR"),
_exchangeService.Products.FirstOrDefault(x => x.BaseCurrency == "ETH" && x.QuoteCurrency == "EUR")
};
products.RemoveAll(x => x == null);
_exchangeService.ChangeFeed(products.ToUnSubscribeString());
_exchangeService.CloseFeed();
return(base.StopAsync(cancellationToken));
}
