private Task Check_Currencies_CMC()
{
return(Task.Run(async() =>
{
if (string.IsNullOrEmpty(CMCAPIKEY))
{
return;
}
var failCounter = 0;
while (failCounter < 10)
{
_ = AwaitOnline(Services.CMC);
var ctr = 0;
try
{
Currencies_CMC_Fiat.Clear();
Currencies_CMC_Crypto.Clear();
using (WebClient client = new())
{
client.Headers.Add("X-CMC_PRO_API_KEY", CMCAPIKEY);
client.Headers.Add("Accepts", "application/json");
{
var json = client.DownloadString("https://pro-api.coinmarketcap.com/v1/fiat/map");
var currencies = JsonConvert.DeserializeObject <JSON_CMC_Currencies>(json);
foreach (var fiat in currencies.data)
{
if (!Currencies_CMC_Fiat.Contains(fiat.symbol))
{
ctr++;
Currencies_CMC_Fiat.Add(fiat.symbol);
}
}
}
Currencies_CMC_Fiat = Currencies_CMC_Fiat.OrderBy(x => x).ToList();
}
using (WebClient client = new())
{
client.Headers.Add("X-CMC_PRO_API_KEY", CMCAPIKEY);
client.Headers.Add("Accepts", "application/json");
{
var json = client.DownloadString("https://pro-api.coinmarketcap.com/v1/cryptocurrency/map");
var currencies = JsonConvert.DeserializeObject <JSON_CMC_Currencies>(json);
foreach (var crypto in currencies.data)
{
if (!Currencies_CMC_Crypto.Contains(crypto.symbol))
{
ctr++;
Currencies_CMC_Crypto.Add(crypto.symbol);
}
}
}
Currencies_CMC_Crypto = Currencies_CMC_Crypto.OrderBy(x => x).ToList();
}
log.Information($"Found {ctr} Currencies at CMC.");
Dispatcher.Invoke(() =>
{
ComboBox_ReferenceCurrency.ItemsSource = Currencies_CMC_Fiat.Intersect(Currencies_Fixer);
if (REFERENCECURRENCY != null)
{
var idx = Currencies_CMC_Fiat.IndexOf(REFERENCECURRENCY);
if (idx != -1)
{
ComboBox_ReferenceCurrency.SelectedIndex = idx;
}
}
});
break;
}
catch (Exception ex) when(ex.Message.Contains("401"))
{
log.Error("Querying CMC currencies: Unauthorized.");
break;
}
catch (Exception ex)
{
failCounter++;
log.Error($"Querying CMC currencies: {ex.Short()}");
await Task.Delay(5000 * failCounter);
}
}
}));
}
private async void Query_CMC(bool reference_change = false)
{
if (string.IsNullOrEmpty(CMCAPIKEY))
{
return;
}
await Task.Run(() => { _ = cmcQuery.WaitOne(2500); });
await Task.Run(async() =>
{
try
{
_ = AwaitOnline(Services.CMC);
Activity();
var reference = await ReferenceCurrency_Get();
using (WebClient client = new())
{
client.Headers.Add("X-CMC_PRO_API_KEY", CMCAPIKEY);
client.Headers.Add("Accepts", "application/json");
var currencies = Currencies.ToArray().Where(x => Currencies_CMC_Crypto.Contains(x));
if (!reference_change)
{
var remove = Change.Where(x => DateTime.Now - x.Date < new TimeSpan(0, 5, 0));
if (remove.Any())
{
currencies = currencies.Where(x => !remove.Any(y => y.Base == x));
}
}
var symbols = string.Join(",", currencies);
if (string.IsNullOrEmpty(symbols))
{
return;
}
var url = $"https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest?symbol={symbols}&convert={reference}";
var json = client.DownloadString(url);
json = json.Replace("\"quote\":{\"" + $"{reference}" + "\"", "\"quote\":{\"Currency\"");
var cmc = JsonConvert.DeserializeObject <JSON_CMC_Change>(json);
Dispatcher.Invoke(() =>
{
foreach (var item in cmc.data)
{
Change temp = new()
{
Quote = reference,
Base = item.Value.symbol,
Change1h = Math.Round(item.Value.quote.currency.percent_change_1h, 2),
Change24h = Math.Round(item.Value.quote.currency.percent_change_24h, 2),
Change7d = Math.Round(item.Value.quote.currency.percent_change_7d, 2),
Change30d = Math.Round(item.Value.quote.currency.percent_change_30d, 2),
Date = DateTime.Now
};
var entry = Change.SingleOrDefault(x => x.Base == temp.Base);
lock (lock_currencyChange)
{
if (entry == default)
{
Change.Add(temp);
}
else
{
_ = Change.Remove(entry);
Change.Add(temp);
}
}
}
});
if (reference_change)
{
log.Information($"CMC: Added {cmc.data.Count} currencies for new reference currency [{reference}].");
}
}
}
catch (Exception ex) when(ex.Message.Contains("408"))
{
log.Error($"CMC Query: General Timeout");
}
catch (Exception ex) when(ex.Message.Contains("504"))
{
log.Error($"CMC Query: Gateway Timeout");
}
catch (Exception ex) when(ex.Message.Contains("404"))
{
log.Error("CMC Query: Not found");
}
catch (Exception ex) when(ex.Message.Contains("500"))
{
log.Error("CMC Query: Internal Server Error");
}
catch (Exception ex) when(ex.Message.Contains("406"))
{
log.Error($"Query unavailable at CMC.");
}
catch (Exception ex) when(ex.Message.Contains("403"))
{
log.Error($"Query unavailable at CMC.");
}
catch (Exception ex)
{
log.Error($"CMC Query: {ex.Short()}");
}
});
_ = cmcQuery.Set();
}
private async void Query_Fixer(bool reference_change = false)
{
if (fixerQuery || string.IsNullOrEmpty(FIXERAPIKEY))
{
return;
}
else
{
fixerQuery = true;
}
await Task.Run(async() =>
{
try
{
_ = AwaitOnline(Services.Fixer);
Activity();
var reference = await ReferenceCurrency_Get();
var currencies = Currencies.Where(x => Currencies_Fixer.Contains(x) && !Currencies_CMC_Crypto.Contains(x) && x != reference);
var symbol = string.Join(",", currencies.ToArray());
var dates = new string[] { "latest", (DateTime.Now - new TimeSpan(1, 0, 0, 0)).ToString("yyyy-MM-dd"), (DateTime.Now - new TimeSpan(7, 0, 0, 0)).ToString("yyyy-MM-dd"), (DateTime.Now - new TimeSpan(30, 0, 0, 0)).ToString("yyyy-MM-dd") };
var query = new JSON_Fixer[4];
using (WebClient webclient = new())
{
for (var i = 0; i < 4; i++)
{
var json = webclient.DownloadString($"http://data.fixer.io/api/{dates[i]}?access_key={FIXERAPIKEY}&base=EUR&symbols={symbol + (reference == "EUR" ? null : $",{reference}")}");
query[i] = JsonConvert.DeserializeObject <JSON_Fixer>(json);
}
}
if (query.Any(x => x.Succeess == false && x?.error?.Code == "104"))
{
log.Information("Fixer.io requests exceeded. [Pair]");
return;
}
RemovePreviousReferenceCurrency();
foreach (var currency in currencies)
{
Change temp;
if (reference == "EUR")
{
temp = new Change()
{
Quote = reference,
Base = currency,
Change1h = 0,
Change24h = Math.Round(((query[1].Rates[currency] / query[0].Rates[currency]) - 1) * 100, 2),
Change7d = Math.Round(((query[2].Rates[currency] / query[0].Rates[currency]) - 1) * 100, 2),
Change30d = Math.Round(((query[3].Rates[currency] / query[0].Rates[currency]) - 1) * 100, 2),
Date = DateTime.Now
};
}
else
{
temp = new Change()
{
Quote = reference,
Base = currency,
Change1h = 0,
Change24h = Math.Round(((query[1].Rates[currency] / query[0].Rates[currency] / (query[1].Rates[reference] / query[0].Rates[reference])) - 1) * 100, 2),
Change7d = Math.Round(((query[2].Rates[currency] / query[0].Rates[currency] / (query[2].Rates[reference] / query[0].Rates[reference])) - 1) * 100, 2),
Change30d = Math.Round(((query[3].Rates[currency] / query[0].Rates[currency] / (query[3].Rates[reference] / query[0].Rates[reference])) - 1) * 100, 2),
Date = DateTime.Now
};
}
UpdateEntry(temp);
}
if (reference_change)
{
log.Information($"Fixer.io: Added {currencies.Count()} currencies for new reference currency [{reference}].");
}
async void RemovePreviousReferenceCurrency()
{
var ref_entry = Change.SingleOrDefault(x => x.Base == reference);
await Dispatcher.InvokeAsync(() =>
{
if (ref_entry != default)
{
_ = Change.Remove(ref_entry);
}
});
}
async void UpdateEntry(Change temp)
{
var entry = Change.SingleOrDefault(x => x.Base == temp.Base);
await Dispatcher.InvokeAsync(() =>
{
lock (lock_currencyChange)
{
if (entry == default)
{
Change.Add(temp);
}
else
{
_ = Change.Remove(entry);
Change.Add(temp);
}
}
});
}
}
catch (Exception ex) when(ex.Message.Contains("408"))
{
log.Error($"Error in Fixer.io Query: General Timeout");
}