public async Task Buy(string coin, double price, double quantity)
{
// Convert to SAT.
if (price > 1)
{
price = price / 100000000;
}
ConsoleHelpers.WriteColored($"\tWARNING: GOING TO BUY {quantity:0.00000000} {coin} at a rate of {price:0.00000000}, " +
$"DO YOU WANT TO CONTINUE? (YES/NO) ", ConsoleColor.Yellow);
if (Console.ReadLine()?.ToLower() == "yes")
{
await _bittrexApi.Buy("BTC-" + coin.ToUpper(), quantity, price);
ConsoleHelpers.WriteColoredLine("\tBuy order placed.", ConsoleColor.Green);
}
else
{
ConsoleHelpers.WriteColoredLine("\tBuy cancelled.", ConsoleColor.Red);
}
}
/// <summary>
/// Checks the implemented trading indicator(s),
/// if one pair triggers the buy signal a new trade record gets created.
/// </summary>
/// <param name="trades"></param>
/// <param name="amountOfBtcToInvestPerTrader"></param>
/// <returns></returns>
private async Task <Trade> FindTrade(List <Trade> trades, double amountOfBtcToInvestPerTrader)
{
// Get our Bitcoin balance from the exchange
var currentBtcBalance = await _api.GetBalance("BTC");
// Do we even have enough funds to invest?
if (currentBtcBalance < Constants.AmountOfBtcToInvestPerTrader)
{
throw new Exception("Insufficient BTC funds to perform a trade.");
}
// Retrieve our current markets
var markets = await _api.GetMarketSummaries();
// Check if there are markets matching our volume.
markets = markets.Where(x => (x.BaseVolume > Constants.MinimumAmountOfVolume || Constants.AlwaysTradeList.Contains(x.MarketName)) && x.MarketName.StartsWith("BTC-")).ToList();
// Remove existing trades from the list to check.
foreach (var trade in trades)
{
markets.RemoveAll(x => x.MarketName == trade.Market);
}
// Remove items that are on our blacklist.
foreach (var market in Constants.MarketBlackList)
{
markets.RemoveAll(x => x.MarketName == market);
}
// Check the buy signal!
string pair = null;
// Prioritize markets with high volume.
foreach (var market in markets.Distinct().OrderByDescending(x => x.BaseVolume).ToList())
{
if (await GetBuySignal(market.MarketName))
{
// A match was made, buy that please!
pair = market.MarketName;
break;
}
}
// No pairs found. Return.
if (pair == null)
{
return(null);
}
var openRate = GetTargetBid(await _api.GetTicker(pair));
var amount = amountOfBtcToInvestPerTrader / openRate;
var amountYouGet = (amountOfBtcToInvestPerTrader * (1 - Constants.TransactionFeePercentage)) / openRate;
var orderId = await _api.Buy(pair, openRate, amount);
return(new Trade()
{
Market = pair,
StakeAmount = Constants.AmountOfBtcToInvestPerTrader,
OpenRate = openRate,
OpenDate = DateTime.UtcNow,
Quantity = amountYouGet,
OpenOrderId = orderId,
BuyOrderId = orderId,
IsOpen = true,
StrategyUsed = _strategy.Name,
PartitionKey = "TRADE",
SellType = SellType.None,
RowKey = $"MNT{(DateTime.MaxValue.Ticks - DateTime.UtcNow.Ticks):d19}"
});
}