public async void StartYourEngines()
{
logger.Trace("Enumerate Markets");
// enumerate all markets
// coins to remove like stable-coins and BTC, ETH.
string[] coinsToRemove = { "USDC", "BUSD", "USDT", "DAI", "BTC", "ETH", "PAX", "XRP" };
var tickers = await api.GetTickersAsync();
tickers = tickers.Where(t => t.Value.Volume.QuoteCurrency == QUOTECURRENCY &&
!coinsToRemove.Contains(t.Value.Volume.BaseCurrency)
);
logger.Trace($"Enumerated {tickers.Count()} markets.");
foreach (var ticker in tickers)
{
this.Assets.Add(new Asset {
Ticker = ticker.Key, BaseCurrency = ticker.Value.Volume.BaseCurrency
});
}
var currentTime = DateTime.UtcNow;
var minutesAway1 = 60 - currentTime.Minute;
var minutesAway2 = 45 - currentTime.Minute;
var minutesAway3 = 30 - currentTime.Minute;
var minutesAway4 = 15 - currentTime.Minute;
var minutesAway = new int[] { minutesAway1, minutesAway2, minutesAway3, minutesAway4 }.Where(a => a > 0).Min();
logger.Trace($"App starting in {minutesAway} minutes.");
// Update 15-minute candle once per 15-minutes.
timer = new Timer(async(objState) => await doWork(objState));
timer.Change((minutesAway * 60 + 15) * 1000, FIFTEENMINUTES); // don't start exactly on the hour so that the server has prepared the 15minute candle. offset by 15 seconds.
// start up web socket.
if (socket == null)
{
var numOfTickers = this.Assets.Count();
socket = await api.GetTickersWebSocketAsync(items =>
{
for (int i = 0; i < numOfTickers; i++)
{
var tkr = this.Assets[i].Ticker;
var foundTkr = items.FirstOrDefault(p => p.Key == tkr);
var asset = this.Assets[i];
if (foundTkr.Value != null)
{
asset.Price = foundTkr.Value.Last;
asset.Ask = foundTkr.Value.Ask;
asset.Bid = foundTkr.Value.Bid;
// adjust the stoploss.
asset.adjustStopLoss();
if (asset.HasTrade && asset.CanSell && (asset.Price < asset.StopLoss))
{
this.doSell(asset);
}
}
}
}, tickers.Select(t => t.Key).ToArray());
}
}
