public async Task DeleteBacktestCandles(BacktestOptions backtestOptions)
{
LiteCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <CandleAdapter>("Candle_" + backtestOptions.CandlePeriod);
candleCollection.EnsureIndex("Timestamp");
candleCollection.Delete(Query.Between("Timestamp", backtestOptions.StartDate, backtestOptions.EndDate, true, true));
}
public async Task <ActionResult> GetSignals(string exchange, string coinsToBuy, string strategy, string candleSize = "5")
{
var strategyName = WebUtility.HtmlDecode(strategy);
List <string> coins = new List <string>();
Char delimiter = ',';
String[] coinsToBuyArray = coinsToBuy.Split(delimiter);
foreach (var coin in coinsToBuyArray)
{
coins.Add(coin.ToUpper());
}
var backtestOptions = new BacktestOptions
{
DataFolder = Global.DataPath,
Exchange = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
Coins = coins,
Coin = coinsToBuy,
CandlePeriod = Int32.Parse(candleSize)
};
var candleProvider = new DatabaseCandleProvider();
var items = await candleProvider.GetSignals(backtestOptions, Global.DataStoreBacktest, strategyName);
return(new JsonResult(items));
}
public static async void BackTestConsole(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
List <BackTestResult> results = await BackTest(strategy, backtestOptions, dataStore);
if (results.Count > 0)
{
Console.WriteLine(results
.OrderByDescending(x => x.SuccessRate)
.ToList()
.ToStringTable(new[] { "Market", "# Trades", "# Profitable", "Success Rate", "BTC Profit", "Profit %", "Avg. Duration", "Period" },
(x) => x.Market,
(x) => x.AmountOfTrades,
(x) => x.AmountOfProfitableTrades,
(x) => $"{x.SuccessRate:0.00}%",
(x) => $"{x.TotalProfit:0.00000000}",
(x) => $"{x.TotalProfitPercentage:0.00}%",
(x) => $"{(x.AverageDuration):0.00} hours",
(x) => $"{x.DataPeriod} days"));
}
else
{
ConsoleUtility.WriteColoredLine("\tNo backtests results found...", ConsoleColor.Red);
}
ConsoleUtility.WriteSeparator();
}
public static async Task <JArray> BackTestJson(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
List <BackTestResult> results = await BackTest(strategy, backtestOptions, dataStore);
JArray jArrayResult = new JArray();
if (results.Count > 0)
{
foreach (var result in results)
{
JObject currentResult = new JObject();
currentResult["Market"] = result.Market;
currentResult["Strategy"] = strategy.Name;
currentResult["AmountOfTrades"] = result.AmountOfTrades;
currentResult["AmountOfProfitableTrades"] = result.AmountOfProfitableTrades;
currentResult["SuccessRate"] = result.SuccessRate;
currentResult["TotalProfit"] = result.TotalProfit;
currentResult["TotalProfitPercentage"] = result.TotalProfitPercentage;
currentResult["AverageDuration"] = result.AverageDuration;
currentResult["DataPeriod"] = result.DataPeriod;
jArrayResult.Add(currentResult);
}
}
return(jArrayResult);
}
public static async void BackTestAllConsole(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
List <BackTestStrategyResult> results = await BackTestAll(backtestOptions, dataStore);
Console.WriteLine();
Console.WriteLine($"\t=============== BACKTESTING REPORT ===============");
Console.WriteLine();
ConsoleUtility.WriteColoredLine($"\tNote: Profit is based on trading with 0.1 BTC each trade.", ConsoleColor.Cyan);
Console.WriteLine();
// Prints the results for each coin for this strategy.
if (results.Count > 0)
{
Console.WriteLine(results
.OrderByDescending(x => x.SuccessRate)
.ToList()
.ToStringTable(new[] { "Strategy", "# Trades", "# Profitable", "Success Rate", "BTC Profit", "Profit %", "Avg. Duration", "Max. Period" },
(x) => x.Strategy,
(x) => x.AmountOfTrades,
(x) => x.AmountOfProfitableTrades,
(x) => $"{x.SuccessRate:0.00}%",
(x) => $"{x.TotalProfit:0.00000000}",
(x) => $"{x.TotalProfitPercentage:0.00}%",
(x) => $"{(x.AverageDuration):0.00} hours",
(x) => $"{x.DataPeriod} days"));
}
else
{
ConsoleUtility.WriteColoredLine("\tNo backtests results found...", ConsoleColor.Red);
}
ConsoleUtility.WriteSeparator();
}
public async Task DeleteBacktestDatabase(BacktestOptions backtestOptions)
{
if (File.Exists(GetDatabase(backtestOptions)))
{
File.Delete(GetDatabase(backtestOptions));
}
}
public static async Task <JArray> GetCacheAge(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
JArray jArrayResult = new JArray();
foreach (var globalSymbol in backtestOptions.Coins)
{
backtestOptions.Coin = globalSymbol;
Candle currentHistoricalDataFirst = await dataStore.GetBacktestFirstCandle(backtestOptions);
Candle currentHistoricalDataLast = await dataStore.GetBacktestLastCandle(backtestOptions);
if (currentHistoricalDataFirst != null && currentHistoricalDataLast != null)
{
JObject currentResult = new JObject();
currentResult["Exchange"] = backtestOptions.Exchange.ToString();
currentResult["Coin"] = globalSymbol;
currentResult["CandlePeriod"] = backtestOptions.CandlePeriod;
currentResult["FirstCandleDate"] = currentHistoricalDataFirst.Timestamp.ToUniversalTime();
currentResult["LastCandleDate"] = currentHistoricalDataLast.Timestamp.ToUniversalTime();
jArrayResult.Add(currentResult);
}
}
return(jArrayResult);
}
public ActionResult BacktesterResults(string exchange, string coinsToBuy, string baseCurrency, string candleSize = "5", string strategy = "all")
{
JObject strategies = new JObject();
List <string> coins = new List <string>();
if (String.IsNullOrEmpty(coinsToBuy))
{
IExchangeAPI api = ExchangeAPI.GetExchangeAPI(exchange.ToLower());
var exchangeCoins = api.GetSymbolsMetadataAsync().Result.Where(m => m.BaseCurrency == baseCurrency);
foreach (var coin in exchangeCoins)
{
coins.Add(api.ExchangeSymbolToGlobalSymbol(coin.MarketName));
}
}
else
{
Char delimiter = ',';
String[] coinsToBuyArray = coinsToBuy.Split(delimiter);
foreach (var coin in coinsToBuyArray)
{
coins.Add(coin.ToUpper());
}
}
var backtestOptions = new BacktestOptions
{
DataFolder = Global.DataPath,
Exchange = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
Coins = coins,
CandlePeriod = Int32.Parse(candleSize)
};
var cts = new CancellationTokenSource();
var parallelOptions = new ParallelOptions
{
CancellationToken = cts.Token,
MaxDegreeOfParallelism = Environment.ProcessorCount
};
Parallel.ForEach(BacktestFunctions.GetTradingStrategies(), parallelOptions, async tradingStrategy =>
{
if (strategy != "all")
{
var base64EncodedBytes = Convert.FromBase64String(strategy);
if (tradingStrategy.Name != Encoding.UTF8.GetString(base64EncodedBytes))
{
return;
}
}
var result = await BacktestFunctions.BackTestJson(tradingStrategy, backtestOptions, Global.DataStoreBacktest);
foreach (var item in result)
{
await Runtime.GlobalHubBacktest.Clients.All.SendAsync("Send", JsonConvert.SerializeObject(item));
}
});
return(new JsonResult(strategies));
}
public async Task SaveBacktestCandlesBulk(List <Candle> candles, BacktestOptions backtestOptions)
{
var items = Mapping.Mapper.Map <List <CandleAdapter> >(candles);
LiteCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <CandleAdapter>("Candle_" + backtestOptions.CandlePeriod);
candleCollection.EnsureIndex("Timestamp");
candleCollection.InsertBulk(items);
}
public async Task <Candle> GetBacktestLastCandle(BacktestOptions backtestOptions)
{
IMongoCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(MongoDbBaseName + backtestOptions.CandlePeriod).GetTable <CandleAdapter>(backtestOptions.Exchange + "_" + backtestOptions.Coin);
CandleAdapter lastCandle = await candleCollection.Find(_ => true).SortByDescending(e => e.Timestamp).Limit(1).FirstOrDefaultAsync();
var items = Mapping.Mapper.Map <Candle>(lastCandle);
return(items);
}
public async Task SaveTradeSignals(BacktestOptions backtestOptions, IDataStoreBacktest dataStore, List <TradeSignal> signals)
{
if (backtestOptions.EndDate == DateTime.MinValue)
{
backtestOptions.EndDate = DateTime.UtcNow;
}
await dataStore.SaveBacktestTradeSignalsBulk(signals, backtestOptions);
}
public static async Task <bool> CheckForCandleData(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
List <string> allDatabases = await dataStore.GetBacktestAllDatabases(backtestOptions);
if (allDatabases.Count == 0)
{
return(false);
}
return(true);
}
public async Task <Candle> GetBacktestFirstCandle(BacktestOptions backtestOptions)
{
LiteCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <CandleAdapter>("Candle_" + backtestOptions.CandlePeriod);
candleCollection.EnsureIndex("Timestamp");
CandleAdapter lastCandle = candleCollection.Find(Query.All("Timestamp"), limit: 1).FirstOrDefault();
var items = Mapping.Mapper.Map <Candle>(lastCandle);
return(items);
}
public async Task <List <TradeSignal> > GetBacktestSignalsByStrategy(BacktestOptions backtestOptions, string strategy)
{
IMongoCollection <TradeSignalAdapter> itemCollection = DataStoreBacktest.GetInstance("Signals_" + MongoDbBaseName + backtestOptions.CandlePeriod).GetTable <TradeSignalAdapter>(backtestOptions.Exchange + "_" + backtestOptions.Coin);
var items = await itemCollection.Find(entry => entry.StrategyName == strategy).ToListAsync();
#warning TODO: Sort operation used more than the maximum 33554432 bytes of RAM. Add an index, or specify a smaller limit=> temporarly order by LINQ
var result = Mapping.Mapper.Map <List <TradeSignal> >(items).OrderBy(c => c.Timestamp).ToList();
return(result);
}
public async Task <List <TradeSignal> > GetBacktestSignalsByStrategy(BacktestOptions backtestOptions, string strategy)
{
var itemCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <TradeSignalAdapter>("Signals_" + backtestOptions.CandlePeriod);
itemCollection.EnsureIndex("StrategyName");
var items = itemCollection.Find(Query.Where("StrategyName", s => s.AsString == strategy), Query.Descending).ToList();
var result = Mapping.Mapper.Map <List <TradeSignal> >(items);
return(result);
}
public async Task <List <Candle> > GetCandles(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
if (backtestOptions.EndDate == DateTime.MinValue)
{
backtestOptions.EndDate = DateTime.UtcNow;
}
List <Candle> candles = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
return(candles);
}
public async Task <List <string> > GetBacktestAllDatabases(BacktestOptions backtestOptions)
{
List <string> allDatabases = new List <string>();
var dbList = await _client.GetDatabase(MongoDbOptions.MongoDatabaseName).ListCollectionsAsync();
foreach (var item in await dbList.ToListAsync())
{
allDatabases.Add(item.ToString());
}
return(allDatabases);
}
public async Task <List <TradeSignal> > GetSignals(BacktestOptions backtestOptions, IDataStoreBacktest dataStore, string strategy)
{
if (backtestOptions.EndDate == DateTime.MinValue)
{
backtestOptions.EndDate = DateTime.UtcNow;
}
List <TradeSignal> items = await dataStore.GetBacktestSignalsByStrategy(backtestOptions, strategy);
return(items);
}
public static async Task <JArray> BackTestJson(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore, string baseCurrency, bool saveSignals, decimal startingWallet, decimal tradeAmount)
{
var results = await BackTest(strategy, backtestOptions, dataStore, baseCurrency, saveSignals, startingWallet, tradeAmount);
var jArrayResult = new JArray();
if (results.Count > 0)
{
var resultsSummary = new BackTestStrategyResult();
resultsSummary.Results = results;
resultsSummary.Strategy = strategy.Name;
resultsSummary.ConcurrentTrades = results.First().ConcurrentTrades;
resultsSummary.Wallet = results.First().Wallet;
resultsSummary.LowWallet = results.First().LowWallet;
var endWallet = Math.Round(resultsSummary.Wallet, 3);
var walletRealPercentage = Math.Round(((resultsSummary.Wallet - startingWallet) / startingWallet) * 100, 3);
var lowWallet = Math.Round(resultsSummary.LowWallet, 3);
var currentResult1 = new JObject();
currentResult1["Strategy"] = resultsSummary.Strategy;
currentResult1["ConcurrentTrades"] = resultsSummary.ConcurrentTrades;
currentResult1["Wallet"] = endWallet + " " + baseCurrency + " (" + walletRealPercentage + "%)";
currentResult1["LowWallet"] = lowWallet;
currentResult1["AmountOfTrades"] = resultsSummary.AmountOfTrades;
currentResult1["AmountOfProfitableTrades"] = resultsSummary.AmountOfProfitableTrades;
currentResult1["SuccessRate"] = resultsSummary.SuccessRate;
currentResult1["TotalProfit"] = resultsSummary.TotalProfit;
currentResult1["TotalProfitPercentage"] = resultsSummary.TotalProfitPercentage;
currentResult1["AverageDuration"] = resultsSummary.AverageDuration;
currentResult1["DataPeriod"] = resultsSummary.DataPeriod;
currentResult1["BaseCurrency"] = baseCurrency;
jArrayResult.Add(currentResult1);
foreach (var result in results)
{
var currentResult = new JObject();
currentResult["Market"] = result.Market;
currentResult["Strategy"] = strategy.Name;
currentResult["AmountOfTrades"] = result.AmountOfTrades;
currentResult["AmountOfProfitableTrades"] = result.AmountOfProfitableTrades;
currentResult["SuccessRate"] = result.SuccessRate;
currentResult["TotalProfit"] = result.TotalProfit;
currentResult["TotalProfitPercentage"] = result.TotalProfitPercentage;
currentResult["AverageDuration"] = result.AverageDuration;
currentResult["DataPeriod"] = result.DataPeriod;
jArrayResult.Add(currentResult);
}
}
return(jArrayResult);
}
public async Task <List <Candle> > GetBacktestCandlesBetweenTime(BacktestOptions backtestOptions)
{
var results = new List <Candle>();
IMongoCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(MongoDbBaseName + backtestOptions.CandlePeriod).GetTable <CandleAdapter>(backtestOptions.Exchange + "_" + backtestOptions.Coin);
List <CandleAdapter> candles = await candleCollection.Find(entry => entry.Timestamp >= backtestOptions.StartDate && entry.Timestamp <= backtestOptions.EndDate).ToListAsync();
#warning TODO: Sort operation used more than the maximum 33554432 bytes of RAM. Add an index, or specify a smaller limit=> temporarly order by LINQ
results = Mapping.Mapper.Map <List <Candle> >(candles).OrderBy(c => c.Timestamp).ToList();
return(results);
}
public async Task SaveBacktestTradeSignalsBulk(List <TradeSignal> signals, BacktestOptions backtestOptions)
{
var items = Mapping.Mapper.Map <List <TradeSignalAdapter> >(signals);
IMongoCollection <TradeSignalAdapter> itemCollection = DataStoreBacktest.GetInstance("Signals_" + MongoDbBaseName + backtestOptions.CandlePeriod).GetTable <TradeSignalAdapter>(backtestOptions.Exchange + "_" + backtestOptions.Coin);
foreach (var item in items)
{
await itemCollection.DeleteManyAsync(i => i.StrategyName == item.StrategyName);
}
await itemCollection.InsertManyAsync(items);
}
public async Task SaveBacktestCandle(Candle candle, BacktestOptions backtestOptions)
{
var item = Mapping.Mapper.Map <CandleAdapter>(candle);
LiteCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <CandleAdapter>("Candle_" + backtestOptions.CandlePeriod);
candleCollection.EnsureIndex("Timestamp");
var newCandle = candleCollection.FindOne(x => x.Timestamp == item.Timestamp);
if (newCandle == null)
{
candleCollection.Insert(item);
}
}
public static string GetDatabase(BacktestOptions backtestOptions)
{
if (!Directory.Exists(backtestOptions.DataFolder))
{
Directory.CreateDirectory(backtestOptions.DataFolder);
}
if (backtestOptions.Coin == null)
{
return(backtestOptions.DataFolder.Replace("\\", "/"));
}
return(backtestOptions.DataFolder.Replace("\\", "/") + "/" + backtestOptions.Exchange + "_" + backtestOptions.Coin + ".db");
}
public async Task <ActionResult> FillCandlesGaps(string exchange, string coinsToBuy, string baseCurrency, DateTime?from = null, DateTime?to = null, string candleSize = "5")
{
var coins = new List <string>();
if (String.IsNullOrEmpty(coinsToBuy))
{
IExchangeAPI api = ExchangeAPI.GetExchangeAPI(exchange);
var exchangeCoins = api.GetSymbolsMetadataAsync().Result.Where(m => m.BaseCurrency == baseCurrency);
foreach (var coin in exchangeCoins)
{
coins.Add(api.ExchangeSymbolToGlobalSymbol(coin.MarketName));
}
}
else
{
Char delimiter = ',';
String[] coinsToBuyArray = coinsToBuy.Split(delimiter);
foreach (var coin in coinsToBuyArray)
{
coins.Add(coin.ToUpper());
}
}
var backtestOptions = new BacktestOptions
{
DataFolder = Global.DataPath,
Exchange = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
Coins = coins,
CandlePeriod = Int32.Parse(candleSize),
EndDate = DateTime.Now
};
if (from.HasValue)
{
backtestOptions.StartDate = from.Value;
}
if (to.HasValue)
{
backtestOptions.EndDate = to.Value;
backtestOptions.EndDate = backtestOptions.EndDate.AddDays(1).AddMinutes(-1);
}
await DataRefresher.FillCandlesGaps(x => Global.Logger.Information(x), backtestOptions, Global.DataStoreBacktest);
var result = new JObject {
["result"] = "success"
};
return(new JsonResult(result));
}
public async Task SaveBacktestCandle(Candle candle, BacktestOptions backtestOptions)
{
var item = Mapping.Mapper.Map <CandleAdapter>(candle);
IMongoCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(MongoDbBaseName + backtestOptions.CandlePeriod).GetTable <CandleAdapter>(backtestOptions.Exchange + "_" + backtestOptions.Coin);
FindOptions <CandleAdapter> marketCandleFindOptions = new FindOptions <CandleAdapter> {
Limit = 1
};
IAsyncCursor <CandleAdapter> checkData = await candleCollection.FindAsync(x => x.Timestamp == item.Timestamp, marketCandleFindOptions);
if (await checkData.FirstOrDefaultAsync() == null)
{
await candleCollection.InsertOneAsync(item);
}
}
public async Task <string> Refresh(string exchange, string coinsToBuy, string candleSize = "5")
{
var backtestOptions = new BacktestOptions
{
DataFolder = Global.DataPath,
Exchange = (Exchange)Enum.Parse(typeof(Exchange), exchange, true),
Coins = new List <string>(new[] { coinsToBuy }),
CandlePeriod = Int32.Parse(candleSize)
};
await DataRefresher.RefreshCandleData(x => Global.Logger.Information(x), backtestOptions, Global.DataStoreBacktest);
return("Refresh Done");
}
public async Task <List <Candle> > GetBacktestCandlesBetweenTime(BacktestOptions backtestOptions)
{
try
{
LiteCollection <CandleAdapter> candleCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <CandleAdapter>("Candle_" + backtestOptions.CandlePeriod);
candleCollection.EnsureIndex("Timestamp");
List <CandleAdapter> candles = candleCollection.Find(Query.Between("Timestamp", backtestOptions.StartDate, backtestOptions.EndDate), Query.Ascending).ToList();
var items = Mapping.Mapper.Map <List <Candle> >(candles);
return(items);
}
catch (Exception ex)
{
Global.Logger.Error(ex.ToString());
throw;
}
}
public async Task SaveBacktestTradeSignalsBulk(List <TradeSignal> signals, BacktestOptions backtestOptions)
{
var items = Mapping.Mapper.Map <List <TradeSignalAdapter> >(signals);
LiteCollection <TradeSignalAdapter> itemCollection = DataStoreBacktest.GetInstance(GetDatabase(backtestOptions)).GetTable <TradeSignalAdapter>("Signals_" + backtestOptions.CandlePeriod);
foreach (var item in items)
{
itemCollection.Delete(i => i.StrategyName == item.StrategyName);
}
// TradeSignalAdapter lastCandle = itemCollection.Find(Query.All("Timestamp", Query.Descending), limit: 1).FirstOrDefault();
itemCollection.EnsureIndex("Timestamp");
itemCollection.InsertBulk(items);
}
public static async Task <List <BackTestStrategyResult> > BackTestAll(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var runner = new BackTestRunner();
var results = new List <BackTestStrategyResult>();
foreach (var item in GetTradingStrategies())
{
var stratResult = new BackTestStrategyResult()
{
Strategy = item.Name
};
stratResult.Results.AddRange(await runner.RunSingleStrategy(item, backtestOptions, dataStore));
results.Add(stratResult);
}
return(results);
}
public static async Task <JArray> BackTestAllJson(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
List <BackTestStrategyResult> results = await BackTestAll(backtestOptions, dataStore);
JArray jArrayResult = new JArray();
foreach (var result in results)
{
JObject currentResult = new JObject();
currentResult["Strategy"] = result.Strategy;
currentResult["AmountOfTrades"] = result.AmountOfTrades;
currentResult["AmountOfProfitableTrades"] = result.AmountOfProfitableTrades;
currentResult["SuccessRate"] = result.SuccessRate;
currentResult["TotalProfit"] = result.TotalProfit;
currentResult["TotalProfitPercentage"] = result.TotalProfitPercentage;
currentResult["AverageDuration"] = result.AverageDuration;
currentResult["DataPeriod"] = result.DataPeriod;
jArrayResult.Add(currentResult);
}
return(jArrayResult);
}
