projects no compiling about cryptosharp HOT 6 CLOSED

using System.Linq;
using CryptoCore.Scripting;
using CryptoCore.Classes;


public class MyStrategy
{
    // how much to buy in USD
    float BUY_AMOUNT = 100f;
    
    // this event runs every time we have a new Candle (of the interval we have selected)
    public void OnData(Context context)
    {
        // indicator declaration
        var fastMA = Indicators.SimpleMovingAverage(14, context.CloseValues);
        var slowMA = Indicators.SimpleMovingAverage(60, context.CloseValues);

        // if any of the values are 0 in Moving Averages, we do not have indicator data yet
        if (fastMA.Last()== 0f || slowMA.Last()==0f) return;
        
        // buy when the fast moving average has a 4% difference with the slow moving average, and is underneath it
        // signals a sudden huge drop
        var shouldBuy  = fastMA.Last()<slowMA.Last() && (Helper.GetPercentage(fastMA.Last(),slowMA.Last())<96f);
        
        // sell when there is a 9% difference
        // which signals a sudden uptrend
        var shouldSell = fastMA.Last()>slowMA.Last() && (Helper.GetPercentage(slowMA.Last(),fastMA.Last())<91f);
        
        
        if (shouldBuy)
        {
            // buy and return a OrderInfo object
            var ord = context.Buy(BUY_AMOUNT);
        }

        if (shouldSell)
        {
            // for each open order, sell if there is profit
            foreach(var order in context.GetOpenOrders()){
                if (order.CurrentProfit()>0f){
                    context.CloseOrder(order);
                }
            }
        }

    }   

}

using System.Linq;
using CryptoCore.Scripting;
using CryptoCore.Classes;


public class MyStrategy
{
    // how much to buy in USD
    float BUY_AMOUNT = 100f;
    
    // this event runs every time we have a new Candle (of the interval we have selected)
    public void OnData(Context context)
    {
        // get a BollingerBandsData object with a period of 31 and a standard deviation of 3.5
        var bb21 = Indicators.BollingerBands(31,3.5f,context.CloseValues);
        // get the RSI indicator values with a period of 18
        var rsi  = Indicators.RSI(18,context.CloseValues);
        
        // we do not have indicator data yet
        if (bb21==null || bb21.Upper.Last()== 0f) return;
        
        // buy when the lowest value of a candle is less than the Lower bollinger band line
        // AND when RSI shows it is oversold
        var shouldBuy = context.LastCandle.High < bb21.Lower.Last() && rsi.Last()<20;
        
        // sell when the lowest value of the same candle is above the Upper bollinger band line
        // AND when RSI shows it is overbought
        var shouldSell = context.LastCandle.Low > bb21.Upper.Last() && rsi.Last()>80;
        
        
        if (shouldBuy)
        {
            // buy and return a OrderInfo object
            var ord = context.Buy(BUY_AMOUNT);
        }

        if (shouldSell)
        {
            // for each open order, sell if there is profit of at least $2
            foreach(var order in context.GetOpenOrders()){
                if (order.CurrentProfit()>2f){
                    context.CloseOrder(order);
                }
            }
        }

    }   

}

using System.Linq;
using CryptoCore.Scripting;
using CryptoCore.Classes;


public class MyStrategy
{
    public void OnData(Context context)
    {
        var bb  = Indicators.BollingerBands(31,3.5f,context.CloseValues);
        var rsi = Indicators.RSI(18,context.CloseValues);
        var sma = Indicators.SimpleMovingAverage(14,context.CloseValues);
        var ema = Indicators.ExponentialMovingAverage(14,context.CloseValues);
        var atr = Indicators.ATR(14,context.HighValues,context.LowValues,context.CloseValues);
        var wr  = Indicators.WilliamsR(14,context.HighValues,context.LowValues,context.CloseValues);
        var adx = Indicators.ADX(14,context.HighValues,context.LowValues,context.CloseValues);
        var sd  = Indicators.StandardDeviation(14,3.5f,context.CloseValues);
        var cci = Indicators.CCI(14,context.HighValues,context.LowValues,context.CloseValues);
        var ps  = Indicators.ParabolicSAR(context.HighValues,context.CloseValues);
    }   
}