Scalper Trade Bot

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Scalper Trade Bot
General
The following example shows how to make a simple bot like a scalper-bot. It shows the usage of technologies related to the price calculation and coin positioning.
Installation
Open the My documents\HTS\ScriptBots folder.
Create a new text file, name it scalper.cs
Open the file and paste the source code inside it
Save the file and start the HaasBot
Create a new custom scripted bot and you should be able to select an item called scalper
Source code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TradeServer.ScriptingDriver.DataObjects;
using TradeServer.ScriptingDriver.Interfaces;
​
namespace BotScripts
{
    public class ScalperBot : IScriptBot
    {
        private decimal _stoploss = 5.0M;
​
        public string Name
        {
            get { return "Spot Scalper-bot"; }
        }
​
        public ScriptBotType BotType
        {
            get { return ScriptBotType.SpotBot; }
        }
		
        public List<ScriptParameter> GetParameters()
        {
            List<ScriptParameter> res = new List<ScriptParameter>();
            res.Add(new ScriptParameter("Stop-loss", ScriptParameterType.Double, _stoploss.ToString()));
            return res;
        }
​
        public void SetParameters(Dictionary<string, object> parameters)
        {
            foreach (var item in parameters) // lets just loop them all
            {
                if (item.Key == "Stop-loss") { _stoploss = Convert.ToDecimal(item.Value); }
            }
        }
​
        public void Init()
        {
​
        }
​
        public void DoUpdate(ScriptBotContext context)
        {
            // Check for open orders
            if (context.OpenOrders.Count > 0)
            {
                context.Logger.Log("Open orders detected, update skipped.");
                return;
            }
​
			// enable the following lines if you like to see run-time details
            context.Logger.Log("Last buy: " + context.LastBuyPrice.ToString());
            context.Logger.Log("Last sell: " + context.LastSellPrice.ToString());
            context.Logger.Log("Fee: " + context.Fee.ToString());
            context.Logger.Log("Stop-loss: " + _stoploss.ToString());
            
​
            // Based on the position, lets see what we can do...
            if (context.BotPosition == BotsPosition.BuyLong)
            {
                context.Logger.Log("The bot its position is: Bought");
​
                if (context.LastBuyPrice == 0.0M)
                {
                    context.Logger.Log("No last prices are known, approving first selling order.");
                    context.API.PlaceSellOrder(context.TradeAmount, (decimal)context.PriceTick.Bid);
                }
                else
                {
                    var targetPrice = context.LastBuyPrice;
​
                    if (context.Fee > 0.0M)
                        targetPrice = context.LastBuyPrice + (context.LastBuyPrice / 100.0M * (context.Fee * 2.0M));
​
                    context.Logger.Log("Last buying price was " + context.LastBuyPrice.ToString() + " the target sell price is: " +
                        targetPrice.ToString() + " (now: " + context.PriceTick.Bid.ToString() + ")");
​
                    // Normal trading procedure
                    if (targetPrice < (decimal)context.PriceTick.Bid)
                    {
                        context.Logger.Log("Approving selling order.");
                        context.API.PlaceSellOrder(context.TradeAmount, (decimal)context.PriceTick.Bid);
                    }
​
			if (_stoploss > 0.0M)
			{
				targetPrice = context.LastBuyPrice - (context.LastBuyPrice / 100.0M * _stoploss);
						
				if (targetPrice > (decimal)context.PriceTick.Bid)
				{
					context.Logger.Log("Triggering stop-loss...");
					context.API.PlaceSellOrder(context.TradeAmount, (decimal)context.PriceTick.Bid);
				}
			}                    
                }
            }
            else if (context.BotPosition == BotsPosition.SellShort)
            {
                context.Logger.Log("The bot its position is: Sold");
​
                if (context.LastSellPrice == 0.0M)
                {
                    context.Logger.Log("No last prices are known, approving first buying order.");
                    context.API.PlaceBuyOrder(context.TradeAmount, (decimal)context.PriceTick.Ask);
                }
                else
                {
                    var targetPrice = context.LastSellPrice;
​
                    if (context.Fee > 0.0M)
                        targetPrice = context.LastSellPrice - (context.LastSellPrice / 100.0M * (context.Fee * 2.0M));
​
                    context.Logger.Log("Last selling price was " + context.LastSellPrice.ToString() + " the target buy price is: " +
                        targetPrice.ToString() + " (now: " + context.PriceTick.Ask.ToString() + ")");
​
                    // Normal trading procedure
                    if (targetPrice > (decimal)context.PriceTick.Ask)
                    {
                        context.Logger.Log("Approving buying order.");
                        context.API.PlaceBuyOrder(context.TradeAmount, (decimal)context.PriceTick.Ask);
                    }
​
			if (_stoploss > 0.0M)
			{
				targetPrice = context.LastSellPrice + (context.LastSellPrice / 100.0M * _stoploss);
				
				if (targetPrice < (decimal)context.PriceTick.Bid)
				{
					context.Logger.Log("Triggering stop-loss...");
					context.API.PlaceBuyOrder(context.TradeAmount, (decimal)context.PriceTick.Ask);
				}
			}  
                }
            }
        }
    }
}
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