private void Log(WalletInvestorDataItem item)
{
string text = string.Format("found: {0} with 24h = {1:0.###}% 7d = {2:0.###}% 3m = {3:0.###}%", item.Name, item.Change24, item.Forecast7Day, item.Forecast14Day, item.Forecast3Month);
TelegramBot.Default.SendNotification(text, ChatId);
Log(LogType.Success, text, 0, 0, StrategyOperation.Connect);
}
protected virtual void CheckUpdateItems()
{
Log(LogType.Log, "start pull items data from walletinvestor.com", 0, 0, StrategyOperation.Connect);
List <WalletInvestorDataItem> list = new List <WalletInvestorDataItem>();
double percent = Hour24MinPercent;
for (int i = 1; i < 1000; i++)
{
WebClient wc = new WebClient();
byte[] data = wc.DownloadData(string.Format("https://walletinvestor.com/?sort=-percent_change_24h&page={0}&per-page=100", i));
HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
doc.Load(new MemoryStream(data));
HtmlNode node = doc.DocumentNode.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "") == "currency-desktop-table kv-grid-table table table-hover table-bordered table-striped table-condensed kv-table-wrap");
if (node == null)
{
return;
}
HtmlNode body = node.Element("tbody");
List <HtmlNode> rows = body.Descendants().Where(n => n.GetAttributeValue("data-key", "") != "").ToList();
if (rows.Count == 0)
{
break;
}
bool finished = false;
for (int ni = 0; ni < rows.Count; ni++)
{
HtmlNode row = rows[ni];
HtmlNode name = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "2");
HtmlNode prices = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "3");
HtmlNode change24 = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "4");
HtmlNode volume24 = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "5");
HtmlNode marketCap = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "7");
try {
WalletInvestorDataItem item = new WalletInvestorDataItem();
item.Name = name.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "") == "detail").InnerText.Trim();
item.LastPrice = Convert.ToDouble(CorrectString(prices.Element("a").InnerText));
item.Rise = change24.Element("a").GetAttributeValue("class", "") != "red";
string change = CorrectString(change24.InnerText);
item.Change24 = Convert.ToDouble(change);
if (item.Change24 < percent)
{
finished = true;
break;
}
item.Volume = volume24.InnerText.Trim();
item.MarketCap = marketCap.Element("a").InnerText.Trim();
item.ListedOnBinance = BinanceExchange.Default.Tickers.FirstOrDefault(t => t.MarketCurrency == item.Name) != null;
item.ListedOnBittrex = BittrexExchange.Default.Tickers.FirstOrDefault(t => t.MarketCurrency == item.Name) != null;
item.ListedOnBitmex = BitmexExchange.Default.Tickers.FirstOrDefault(t => t.MarketCurrency == item.Name) != null;
if (!item.ListedOnBinance && !item.ListedOnBitmex && !item.ListedOnBittrex)
{
continue;
}
list.Add(item);
}
catch (Exception) {
continue;
}
}
if (finished)
{
break;
}
}
Log(LogType.Success, "pull items data from walletinvestor.com", 0, 0, StrategyOperation.Connect);
Log(LogType.Warning, string.Format("found {0} items matched min 24h% and exchanges", list.Count), 0, 0, StrategyOperation.Connect);
Log(LogType.Log, "initialize forecast data provider", 0, 0, StrategyOperation.Connect);
if (!ForecastProvider.Initialize(this))
{
Log(Crypto.Core.Common.LogType.Error, "Cannot initialize forecast provider.", 0, 0, StrategyOperation.Connect);
return;
}
Log(LogType.Success, "initialize forecast data provider", 0, 0, StrategyOperation.Connect);
Log(LogType.Log, "get forecast data", 0, 0, StrategyOperation.Connect);
List <WalletInvestorDataItem> filtered = new List <WalletInvestorDataItem>();
for (int i = 0; i < list.Count; i++)
{
var item = list[i];
ForecastProvider.UpdateForecast(this, item);
if (item.Forecast7Day >= Day7MinPercent && item.Forecast14Day >= Day14MinPercent && item.Forecast3Month >= Month3MinPercent)
{
filtered.Add(item);
}
}
for (int fi = 0; fi < filtered.Count; fi++)
{
var item = filtered[fi];
if (Items.FirstOrDefault(i => i.Name == item.Name) != null)
{
continue;
}
Items.Add(item);
Log(item);
}
if (Items.Count == 0)
{
Log(LogType.Warning, "no items found matched criteria", 0, 0, StrategyOperation.Connect);
}
Log(LogType.Success, "get forecast data", 0, 0, StrategyOperation.Connect);
ForecastProvider.Clear();
LastCheckTime = DateTime.Now;
}