//Getting the cryptocurrency values (Crypto quote)
protected CryptocurrencyDataClass getSingleCryptoCurrencyProfileDataCrypto(string cryptoCurrencySymbol)
{
GetCurrencyAPIData getCurrencyAPIData = new GetCurrencyAPIData();
APIResultCrypto = getCurrencyAPIData.GetSingleCurrencyAPIMain(cryptoCurrencySymbol, cryptoCurrencySymbol);
return(APIResultCrypto);
}
//Getting the cryptocurrency values (Fiat quote)
protected CryptocurrencyDataClass getSingleCryptoCurrencyProfileDataFiat(string pickedCurrencySymbol, string cryptoCurrencySymbol)
{
GetCurrencyAPIData getCurrencyAPIData = new GetCurrencyAPIData();
APIResultFiat = getCurrencyAPIData.GetSingleCurrencyAPIMain(cryptoCurrencySymbol, pickedCurrencySymbol);
return(APIResultFiat);
}
public CryptocurrencyDataClass GetSingleCurrencyAPIMain(string pickedCurrencySymbol, string pickedCryptoCurrencySymbol)
{
CryptocurrencyDataClass result = null;
try
{
result = GetCryptoCurrency(pickedCurrencySymbol, pickedCryptoCurrencySymbol);
}
catch (WebException e)
{
Console.WriteLine(e.Message);
}
return(result);
}
//Function that get data about one specific currency
private CryptocurrencyDataClass GetCryptoCurrency(string pickedCurrencySymbol, string pickedCryptoCurrencySymbol)
{
var URL = new UriBuilder("https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest");
//Define the paramaters needed for this API call
var queryString = HttpUtility.ParseQueryString(string.Empty);
queryString["symbol"] = pickedCryptoCurrencySymbol;
queryString["convert"] = pickedCurrencySymbol;
URL.Query = queryString.ToString();
//Create a header that will be sent with the API call URL
var client = new WebClient();
client.Headers.Add("X-CMC_PRO_API_KEY", API_KEY);
client.Headers.Add("Accepts", "application/json");
var jsonResult = client.DownloadString(URL.ToString());
CryptocurrencyDataClass result = new CryptocurrencyDataClass();
var allData = JObject.Parse(jsonResult);
var dataOut = allData["data"];
var dataIn = dataOut[pickedCryptoCurrencySymbol];
if (dataIn != null)
{
CryptocurrencyDataClass currency = new CryptocurrencyDataClass();
currency.name = dataIn["name"].ToString();
currency.symbol = dataIn["symbol"].ToString();
currency.circulatingSupply = Convert.ToDouble(dataIn["circulating_supply"]);
//Get fiat currency data
var quote = dataIn["quote"];
var innerQuouteFiat = quote[pickedCurrencySymbol];
currency.currencySymbol = pickedCurrencySymbol;
currency.price = Math.Round((Double)innerQuouteFiat["price"], 2);
currency.marketCap = Math.Round((Double)innerQuouteFiat["market_cap"], 2);
currency.volume24Hours = Math.Round((Double)innerQuouteFiat["volume_24h"], 2);
result = currency;
}
return(result);
}
//Function that gets data about many currencies
private List <CryptocurrencyDataClass> GetCryptoCurrencies(string pickedCurrencySymbol, int numberOfCurrencies, string selectedSortMethod)
{
var URL = new UriBuilder("https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest");
//Define the paramaters needed for this API call
var queryString = HttpUtility.ParseQueryString(string.Empty);
queryString["start"] = "1";
queryString["limit"] = numberOfCurrencies.ToString();
queryString["convert"] = pickedCurrencySymbol;
queryString["sort"] = selectedSortMethod;
URL.Query = queryString.ToString();
//Create a header that will be sent with the API call URL
var client = new WebClient();
client.Headers.Add("X-CMC_PRO_API_KEY", API_KEY);
client.Headers.Add("Accepts", "application/json");
var jsonResult = client.DownloadString(URL.ToString());
List <CryptocurrencyDataClass> result = new List <CryptocurrencyDataClass>();
var allData = JObject.Parse(jsonResult);
var data = allData["data"];
if (data != null)
{
//Loop through cryptocurrency info and add them to the currency object list
foreach (var APIData in data.Children())
{
CryptocurrencyDataClass currency = new CryptocurrencyDataClass();
currency.name = APIData["name"].ToString();
currency.symbol = APIData["symbol"].ToString();
if (!string.IsNullOrEmpty(APIData["circulating_supply"].ToString()))
{
currency.circulatingSupply = Convert.ToDouble(APIData["circulating_supply"]);
}
else
{
currency.circulatingSupply = 0;
}
var quote = APIData["quote"];
var innerQuoute = quote[pickedCurrencySymbol];
currency.currencySymbol = pickedCurrencySymbol;
currency.price = Math.Round((Double)innerQuoute["price"], 2);
currency.marketCap = Math.Round((Double)innerQuoute["market_cap"], 2);
if (!string.IsNullOrEmpty(innerQuoute["volume_24h"].ToString()))
{
currency.volume24Hours = Math.Round((Double)innerQuoute["volume_24h"], 2);
}
else
{
currency.volume24Hours = 0;
}
if (!string.IsNullOrEmpty(innerQuoute["percent_change_24h"].ToString()))
{
currency.priceChange24Hours = Math.Round((Double)innerQuoute["percent_change_24h"], 2);
}
else
{
currency.priceChange24Hours = 0;
}
result.Add(currency);
}
}
return(result);
}
