protected bool processTicker(BaseTicker ticker)
{
// true - тікер обробили, його потрібно вивести
// false - тікер не змінився
bool processed = false;
if (ticker.Symbol != string.Empty && ticker.BidPrice != 0 && ticker.AskPrice != 0 && ticker.TotalTradedVolume != 0)
{
if (totalTicker.dictionaryTicker.ContainsKey(ticker.Symbol))
{
BaseTicker updatedTicker;
processed = calculateTicker(ticker, out updatedTicker);
if (processed)
{
//totalTicker.dictionaryTicker[ticker.Symbol] = updatedTicker;
totalTicker.dictionaryTicker.AddOrUpdate(ticker.Symbol, updatedTicker, (k, v) => updatedTicker);
}
}
else
{
processed = true;
//totalTicker.dictionaryTicker[ticker.Symbol] = ticker;
totalTicker.dictionaryTicker.TryAdd(ticker.Symbol, ticker);
}
}
return(processed);
}
protected override void OnMessage(string data)
{
BinanceStreamTick eventData = JsonConvert.DeserializeObject <BinanceStreamTick>(data);
BaseTicker ticker = new BaseTicker();
ticker.Symbol = _mappings[ProviderId].getSymbol(eventData.Data.SymbolApi);
ticker.AskPrice = eventData.Data.BestAskPrice;
ticker.BidPrice = eventData.Data.BestBidPrice;
ticker.TotalTradedVolume = eventData.Data.TotalTradedQuoteAssetVolume;
if (processTicker(ticker))
{
Console.WriteLine($"[{ProviderName}] {ticker.Symbol} : Ask = {ticker.AskPrice} Bid = {ticker.BidPrice} Volume = {ticker.TotalTradedVolume}");
}
else
{
Console.WriteLine($"[{ProviderName}] {ticker.Symbol}: data not changed");
}
}
protected bool calculateTicker(BaseTicker newTicker, out BaseTicker resultTicker)
{
// true - прийшов новий тікер
// false - тікер рівний тікеру в dictionaryTicker
bool changed = false;
BaseTicker lastTicker = totalTicker.dictionaryTicker[newTicker.Symbol];
if (lastTicker.AskPrice != newTicker.AskPrice ||
lastTicker.BidPrice != newTicker.BidPrice ||
lastTicker.TotalTradedVolume != newTicker.TotalTradedVolume)
{
resultTicker = newTicker;
changed = true;
}
else
{
resultTicker = new BaseTicker();
}
return(changed);
}
protected override void OnMessage(string data)
{
// get socket data
BinanceStreamTick eventData = JsonConvert.DeserializeObject <BinanceStreamTick>(data);
BaseTicker ticker = new BaseTicker()
{
Symbol = eventData.Data.Symbol,
AskPrice = eventData.Data.BestAskPrice,
BidPrice = eventData.Data.BestBidPrice,
TotalTradedVolume = eventData.Data.TotalTradedQuoteAssetVolume
};
// check the data has changed
if (!EqualsTicker(ticker))
{
Console.WriteLine($"{ticker.Symbol} : Ask = {ticker.AskPrice} Bid = {ticker.BidPrice} Volume = {ticker.TotalTradedVolume}");
}
else
{
Console.WriteLine($"{ticker.Symbol}: data not changed");
}
}
