public async Task <float?> Get(string codeFrom, string codeTo)
{
var yahooapisUrl = ConfigurationManager.AppSettings["yahooapis.url"];
var queryParams = new Dictionary <string, object>
{
{ "q", $"select+*+from+yahoo.finance.xchange+where+pair+=+%22{codeTo}{codeFrom}%22" },
{ "format", "json" },
{ "env", "store%3A%2F%2Fdatatables.org%2Falltableswithkeys" }
};
// Получаем данные и серилизуем их
var result = await _httpHelper.GetJson <YahooapisResponse>(yahooapisUrl, queryParams);
return(result.query?.results?.rate?.RateVal);
}
