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 SaveTradeSignals(BacktestOptions backtestOptions, IDataStoreBacktest dataStore, List <TradeSignal> signals)
{
if (backtestOptions.EndDate == DateTime.MinValue)
{
backtestOptions.EndDate = DateTime.UtcNow;
}
await dataStore.SaveBacktestTradeSignalsBulk(signals, backtestOptions);
}
public static void GetCacheAgeConsole(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
Console.WriteLine("\tBacktest StartDate: " + Convert.ToDateTime(backtestOptions.StartDate).ToUniversalTime() + " UTC");
if (backtestOptions.EndDate != DateTime.MinValue)
{
Console.WriteLine("\tBacktest EndDate: " + Convert.ToDateTime(backtestOptions.EndDate).ToUniversalTime() + " UTC");
}
else
{
Console.WriteLine("\tBacktest EndDate: " + DateTime.UtcNow + " UTC");
}
Console.WriteLine("");
int dataCount = 0;
foreach (var globalSymbol in backtestOptions.Coins)
{
backtestOptions.Coin = globalSymbol;
Candle currentHistoricalDataFirst = dataStore.GetBacktestFirstCandle(backtestOptions).Result;
Candle currentHistoricalDataLast = dataStore.GetBacktestLastCandle(backtestOptions).Result;
if (currentHistoricalDataFirst != null && currentHistoricalDataLast != null)
{
Console.WriteLine("\tAvailable Cache for " + backtestOptions.Exchange + " " + globalSymbol + " Period: " + backtestOptions.CandlePeriod + "min - from " + currentHistoricalDataFirst.Timestamp.ToUniversalTime() + " until " + currentHistoricalDataLast.Timestamp.ToUniversalTime());
dataCount = dataCount + 1;
}
}
if (dataCount == 0)
{
Console.WriteLine("\tNo data - Please run 4. Refresh candle data first");
}
Console.WriteLine();
}
public static async Task <List <BackTestResult> > BackTest(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore, string baseCurrency, bool saveSignals, decimal startingWallet, decimal tradeAmount)
{
var runner = new BackTestRunner();
var results = await runner.RunSingleStrategy(strategy, backtestOptions, dataStore, baseCurrency, saveSignals, startingWallet, tradeAmount);
return(results);
}
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 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 static async Task <JArray> BackTestShowTradesJson(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var results = await BackTestShowTrades(strategy, backtestOptions, dataStore);
JArray jArrayResult = new JArray();
var trades = new List <BackTestTradeResult>();
foreach (var result in results)
{
trades.AddRange(result.Trades);
}
foreach (var trade in trades)
{
JObject currentResult = new JObject();
currentResult["Strategy"] = strategy.Name;
currentResult["Market"] = trade.Market;
currentResult["OpenRate"] = trade.OpenRate;
currentResult["CloseRate"] = trade.CloseRate;
currentResult["Profit"] = trade.Profit;
currentResult["ProfitPercentage"] = trade.ProfitPercentage;
currentResult["Duration"] = trade.Duration;
currentResult["StartDate"] = trade.StartDate;
currentResult["EndDate"] = trade.EndDate;
jArrayResult.Add(currentResult);
}
return(jArrayResult);
}
public static async Task <JArray> GetCacheAge(BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var jArrayResult = new JArray();
foreach (var globalSymbol in backtestOptions.Coins)
{
backtestOptions.Coin = globalSymbol;
//Candle currentHistoricalDataFirst = await dataStore.GetBacktestFirstCandle(backtestOptions);
//Candle currentHistoricalDataLast = await dataStore.GetBacktestLastCandle(backtestOptions);
#warning //TODO create a Count method
var data = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
Candle currentHistoricalDataFirst = data.FirstOrDefault();
Candle currentHistoricalDataLast = data.LastOrDefault();
if (currentHistoricalDataFirst != null && currentHistoricalDataLast != null)
{
var dataFirst = currentHistoricalDataFirst.Timestamp.ToUniversalTime();
var dataLast = currentHistoricalDataLast.Timestamp.ToUniversalTime();
var minutes = dataLast.Subtract(dataFirst).TotalMinutes;
var numOfCandles = data.Count();
var numOfExpectedCandles = minutes / backtestOptions.CandlePeriod;
var currentResult = new JObject();
currentResult["Exchange"] = backtestOptions.Exchange.ToString();
currentResult["Coin"] = globalSymbol;
currentResult["CandlePeriod"] = backtestOptions.CandlePeriod;
currentResult["FirstCandleDate"] = dataFirst;
currentResult["LastCandleDate"] = dataLast;
currentResult["CandlesNum"] = numOfCandles;
currentResult["ExpectedCandlesNum"] = numOfExpectedCandles;
jArrayResult.Add(currentResult);
}
}
return(jArrayResult);
}
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 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 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);
}
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 void BackTestShowTradesConsole(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var results = await BackTestShowTrades(strategy, backtestOptions, dataStore);
Console.WriteLine();
Console.WriteLine($"\t=============== BACKTESTING REPORT {strategy.Name.ToUpper()} ===============");
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)
{
var trades = new List <BackTestTradeResult>();
foreach (var result in results)
{
trades.AddRange(result.Trades);
}
Console.WriteLine(trades
.OrderBy(x => x.StartDate)
.ToList()
.ToStringTable(new[] { "Market", "Open", "Close", "BTC Profit", "Profit %", "Duration", "Startdate", "Enddate" },
(x) => x.Market,
(x) => $"{x.OpenRate:0.00000000}",
(x) => $"{x.CloseRate:0.00000000}",
(x) => $"{x.Profit:0.00000000}",
(x) => $"{x.ProfitPercentage:0.00}%",
(x) => $"{(x.Duration):0.00} hours",
(x) => $"{x.StartDate:dd-MM-yyyy hh:mm}",
(x) => $"{x.EndDate:dd-MM-yyyy hh:mm}"));
}
else
{
ConsoleUtility.WriteColoredLine("\tNo backtests results found...", ConsoleColor.Red);
}
ConsoleUtility.WriteSeparator();
}
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 static async Task FillCandlesGaps(Action <string> callback, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
BaseExchange baseExchangeApi = new BaseExchangeInstance().BaseExchange(backtestOptions.Exchange.ToString());
foreach (string globalSymbol in backtestOptions.Coins)
{
string exchangeSymbol = await baseExchangeApi.GlobalSymbolToExchangeSymbol(globalSymbol);
backtestOptions.Coin = globalSymbol;
string currentlyRunningString = backtestOptions.Exchange + "_" + globalSymbol + "_" + backtestOptions.CandlePeriod;
lock (CurrentlyRunningUpdates)
{
if (CurrentlyRunningUpdates.ContainsKey(currentlyRunningString))
{
callback($"\tUpdate still in process: {backtestOptions.Exchange.ToString()} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} " +
$"from {backtestOptions.StartDate} UTC to {DateTime.UtcNow.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
return;
}
CurrentlyRunningUpdates[currentlyRunningString] = backtestOptions;
}
//current db candles
var data = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
Candle currentHistoricalDataFirst = data.FirstOrDefault();
Candle currentHistoricalDataLast = data.LastOrDefault();
//there are data
if (currentHistoricalDataFirst != null && currentHistoricalDataLast != null)
{
var dataFirst = currentHistoricalDataFirst.Timestamp.ToUniversalTime();
var dataLast = currentHistoricalDataLast.Timestamp.ToUniversalTime();
var minutes = dataLast.Subtract(dataFirst).TotalMinutes;
var numOfExpectedCandles = minutes / backtestOptions.CandlePeriod + 1;
var numOfCandles = data.Count();
callback($"\t- Check database\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {dataFirst} \tto {dataLast} UTC " +
$"expected:{numOfExpectedCandles}, have:{numOfCandles}");
if ((numOfExpectedCandles / numOfCandles) != 1) //found holes/multiple overall
{
callback($"\tFound overall holes\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC " +
$"expected:{numOfExpectedCandles}, have:{numOfCandles}");
DateTime startDate = dataFirst;
DateTime endDate = dataLast;
//date range inspector
while (startDate < endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod)))
{
backtestOptions.StartDate = startDate;
backtestOptions.EndDate = backtestOptions.StartDate.AddHours(1).RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod));
//candles of sub-period
var data2 = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
var minutes2 = backtestOptions.EndDate.Subtract(backtestOptions.StartDate).TotalMinutes;
var numOfExpectedCandles2 = (minutes2 / backtestOptions.CandlePeriod) + 1;
var numOfCandles2 = data2.Count();
callback($"\tCheck period\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC " +
$"expected:{numOfExpectedCandles2}, have:{numOfCandles2} ");
//normalize dates
var expectedCandlesList = new List <DateTime>();
for (int i = 0; i < numOfExpectedCandles2; i++)
{
var t = backtestOptions.StartDate.AddMinutes(i * (int)backtestOptions.CandlePeriod.FromMinutesEquivalent());
expectedCandlesList.Add(t);
}
var newCandlesToAdd = new List <Candle>();
foreach (var expectedItem in expectedCandlesList)
{
Candle newAdd = null;
long min = long.MaxValue;
foreach (var dbItem in data2)
{
var d = Math.Abs(expectedItem.Subtract(dbItem.Timestamp).Ticks);
if (d == 0) //exact date
{
continue;
}
if (d < min)
{
min = d;
var n = dbItem.DeepClone();
n.Timestamp = expectedItem;
newAdd = n;
}
}
//if distance is less then period (e.g. 15min)
if (newAdd != null && TimeSpan.FromTicks(min).TotalMinutes <= (int)backtestOptions.CandlePeriod.FromMinutesEquivalent() / 2)
{
newCandlesToAdd.Add(newAdd);
}
}
if (newCandlesToAdd.Any())
{
foreach (var dbItem in data2)
{
callback($"\t b dbItem: {dbItem.Timestamp} {dbItem.Close}");
}
await dataStore.DeleteBacktestCandles(backtestOptions);
await dataStore.SaveBacktestCandlesBulkCheckExisting(newCandlesToAdd, backtestOptions);
data2 = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
foreach (var dbItem in data2)
{
callback($"\t a dbItem: {dbItem.Timestamp} {dbItem.Close}");
}
}
if (numOfCandles2 == 0 || (numOfExpectedCandles2 / numOfCandles2) != 1) //found holes/multiple in period or no candles
{
if (numOfCandles2 < numOfExpectedCandles2) //holes or nothing
{
callback($"\tFound holes\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC " +
$"expected:{numOfExpectedCandles2}, have:{numOfCandles2} ");
try
{
List <Candle> candlesToAdd = await baseExchangeApi.GetTickerHistory(exchangeSymbol,
backtestOptions.CandlePeriod.FromMinutesEquivalent(),
backtestOptions.StartDate,
backtestOptions.EndDate);
//start tmp log
foreach (var dbItem in data2)
{
callback($"\t dbItem: {dbItem.Timestamp} {dbItem.Close}");
}
for (int i = 0; i < numOfExpectedCandles2; i++)
{
var t = backtestOptions.StartDate.AddMinutes(i * (int)backtestOptions.CandlePeriod.FromMinutesEquivalent());
callback($"\t expenctedItem: {t} ");
}
foreach (var excItem in candlesToAdd)
{
callback($"\t excItem: {excItem.Timestamp} {excItem.Close}");
}
//end tmp log
if (candlesToAdd?.Count < numOfExpectedCandles2)//got less candle that required
{
callback($"\tNot enought data from Exchange\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC " +
$"expected:{numOfExpectedCandles2}, have:{numOfCandles2} ");
Candle lastPeriodCandle = null;
//exchange doesn't give data for period
if (candlesToAdd?.Count == 0)
{
if (data2.Count == 0) //no data on db
{
//precedent period
var backtestOptions2 = new BacktestOptions
{
DataFolder = backtestOptions.DataFolder,
Exchange = backtestOptions.Exchange,
Coin = backtestOptions.Coin,
CandlePeriod = backtestOptions.CandlePeriod,
EndDate = backtestOptions.StartDate
};
//last candle of precedent period
var c = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions2);
lastPeriodCandle = c?.LastOrDefault();
//insert last candle of precedent period in candles to save
if (lastPeriodCandle != null)
{
var cc = lastPeriodCandle.DeepClone();
cc.Timestamp = startDate;
candlesToAdd.Add(cc);
}
}
else //data on db for period
{
//understand where is hole
var innerExpected = expectedCandlesList.DeepClone();
innerExpected.RemoveAll(i => data2.Select(d => d.Timestamp).Contains(i));
foreach (var expectedItem in innerExpected)
{
bool found = false;
for (int i = 0; i < data2.Count; i++)
{
if (expectedItem == data2[i].Timestamp)
{
found = true;
continue;
}
}
if (!found)
{
//find the close to
Candle newAdd = null;
long min = long.MaxValue;
foreach (var dbItem in data2)
{
var d = Math.Abs(expectedItem.Subtract(dbItem.Timestamp).Ticks);
if (d < min)
{
min = d;
if (min == 0) //exact date
{
continue;
}
var n = dbItem.DeepClone();
n.Timestamp = expectedItem;
newAdd = n;
}
}
if (newAdd != null)
{
candlesToAdd.Add(newAdd);
}
}
}
}
}
candlesToAdd = candlesToAdd.OrderBy(c => c.Timestamp).ToList();
var newCandlesToAdd2 = new List <Candle>();
//find definitive position
foreach (var excItem in candlesToAdd)
{
Candle newAdd = null;
long min = long.MaxValue;
foreach (var expectedItem in expectedCandlesList)
{
var d = Math.Abs(expectedItem.Subtract(excItem.Timestamp).Ticks);
if (d < min)
{
min = d;
var n = excItem.DeepClone();
n.Timestamp = expectedItem;
newAdd = n;
}
}
newCandlesToAdd2.Add(newAdd);
}
//fill holes
foreach (var expectedItem in expectedCandlesList)
{
Candle newAdd = null;
long min = long.MaxValue;
foreach (var dbItem in data2)
{
var d = Math.Abs(expectedItem.Subtract(dbItem.Timestamp).Ticks);
if (d < min)
{
min = d;
if (d == 0) //exact date
{
continue;
}
var n = dbItem.DeepClone();
n.Timestamp = expectedItem;
newAdd = n;
}
}
//if distance is less then period (e.g. 15min) and is not exact date
if (min > 0 && TimeSpan.FromTicks(min).TotalMinutes <= (int)backtestOptions.CandlePeriod.FromMinutesEquivalent() / 2)
{
newCandlesToAdd2.Add(newAdd);
}
else if (TimeSpan.FromTicks(min).TotalMinutes > (int)backtestOptions.CandlePeriod.FromMinutesEquivalent() / 2)//not found equivalence: clone
{
var cc = candlesToAdd.Last().DeepClone();
cc.Timestamp = expectedItem;
newCandlesToAdd2.Add(cc);
}
}
await dataStore.SaveBacktestCandlesBulkCheckExisting(newCandlesToAdd2, backtestOptions);
callback($"\tUpdated cloning\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC ");
startDate = backtestOptions.EndDate;
}
else //got right num of candles
{
await dataStore.SaveBacktestCandlesBulkCheckExisting(candlesToAdd, backtestOptions);
callback($"\tUpdated from Exchange\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC ");
startDate = candlesToAdd.Last().Timestamp.ToUniversalTime();
}
}
catch (Exception e)
{
callback($"\tError while updating from\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC ");
startDate = backtestOptions.EndDate;
continue;
}
}
else if (numOfCandles2 > numOfExpectedCandles2) //multiple
{
callback($"\tFound multiple\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC " +
$"expected:{numOfExpectedCandles2}, have:{numOfCandles2} ");
foreach (var dbItem in data2)
{
callback($"\t dbItem: {dbItem.Timestamp} {dbItem.Close}");
}
await dataStore.DeleteBacktestCandles(backtestOptions);
var expectedCandlesList2 = new List <DateTime>();
for (int i = 0; i < numOfExpectedCandles2; i++)
{
var t = backtestOptions.StartDate.AddMinutes(i * (int)backtestOptions.CandlePeriod.FromMinutesEquivalent());
expectedCandlesList2.Add(t);
}
List <Candle> candlesToAdd = await baseExchangeApi.GetTickerHistory(exchangeSymbol,
backtestOptions.CandlePeriod.FromMinutesEquivalent(),
backtestOptions.StartDate,
backtestOptions.EndDate);
var newCandlesToAdd2 = new List <Candle>();
foreach (var expectedItem in expectedCandlesList2)
{
Candle newAdd = null;
long min = long.MaxValue;
foreach (var excItem in candlesToAdd)
{
var d = Math.Abs(expectedItem.Subtract(excItem.Timestamp).Ticks);
if (d < min)
{
min = d;
var n = excItem.DeepClone();
n.Timestamp = expectedItem;
newAdd = n;
}
}
//if distance is less then period (e.g. 15min)
if (newAdd != null && TimeSpan.FromTicks(min).TotalMinutes <= (int)backtestOptions.CandlePeriod.FromMinutesEquivalent() / 2)
{
newCandlesToAdd2.Add(newAdd);
}
}
await dataStore.SaveBacktestCandlesBulkCheckExisting(newCandlesToAdd2, backtestOptions);
var data3 = await dataStore.GetBacktestCandlesBetweenTime(backtestOptions);
foreach (var dbItem in data3)
{
callback($"\t dbItem: {dbItem.Timestamp} {dbItem.Close}");
}
startDate = newCandlesToAdd.Last().Timestamp.ToUniversalTime();
}
}
else
{
callback($"\tNo update\t: {backtestOptions.Exchange.ToString()} on {globalSymbol} " +
$"with Period {backtestOptions.CandlePeriod.ToString()}min " +
$"\tfrom {backtestOptions.StartDate.ToUniversalTime()} \tto {backtestOptions.EndDate.ToUniversalTime()} UTC ");
startDate = backtestOptions.EndDate;
}
}
}
}
lock (CurrentlyRunningUpdates)
{
CurrentlyRunningUpdates.Remove(currentlyRunningString);
}
}
}
public static async Task <List <BackTestResult> > BackTestShowTrades(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var runner = new BackTestRunner();
var results = await runner.RunSingleStrategy(strategy, backtestOptions, dataStore);
return(results);
}
public static async Task RefreshCandleData(Action <string> callback, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
BaseExchange baseExchangeApi = new BaseExchangeInstance().BaseExchange(backtestOptions.Exchange.ToString());
//var cts = new CancellationTokenSource();
//var parallelOptions = new ParallelOptions();
//parallelOptions.CancellationToken = cts.Token;
//parallelOptions.MaxDegreeOfParallelism = Environment.ProcessorCount;
//Parallel.ForEach(backtestOptions.Coins, parallelOptions, async globalSymbol =>
//{
foreach (string globalSymbol in backtestOptions.Coins)
{
string exchangeSymbol = await baseExchangeApi.GlobalSymbolToExchangeSymbol(globalSymbol);
backtestOptions.Coin = globalSymbol;
string currentlyRunningString = backtestOptions.Exchange + "_" + globalSymbol + "_" + backtestOptions.CandlePeriod;
lock (CurrentlyRunningUpdates)
{
if (CurrentlyRunningUpdates.ContainsKey(currentlyRunningString))
{
callback($"\tUpdate still in process: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} from {backtestOptions.StartDate} UTC to {DateTime.UtcNow.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
return;
}
CurrentlyRunningUpdates[currentlyRunningString] = backtestOptions;
}
DateTime startDate = Convert.ToDateTime(backtestOptions.StartDate).ToUniversalTime();
DateTime endDate = DateTime.UtcNow;
bool databaseExists = true;
// Delete an existing file if this is no update
if (!backtestOptions.UpdateCandles)
{
dataStore.DeleteBacktestDatabase(backtestOptions).RunSynchronously();
callback($"\tRecreate database: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
}
else
{
//candleCollection.EnsureIndex("Timestamp");
Candle databaseLastCandle = await dataStore.GetBacktestLastCandle(backtestOptions);
if (databaseLastCandle != null)
{
startDate = databaseLastCandle.Timestamp.ToUniversalTime();
callback($"\tUpdate database: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
}
else
{
callback($"\tCreate database: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
databaseExists = false;
}
}
if (startDate == endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod)))
{
callback($"\tAlready up to date: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
lock (CurrentlyRunningUpdates)
{
CurrentlyRunningUpdates.Remove(currentlyRunningString);
}
return;
}
// Get these in batches of 500 because they're limited in the API.
while (startDate < endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod)))
{
try
{
//List<Candle> candles = await baseExchangeApi.GetChunkTickerHistory(exchangeSymbol, backtestOptions.CandlePeriod.FromMinutesEquivalent(), startDate, endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod)));
List <Candle> candles = await baseExchangeApi.GetTickerHistory(exchangeSymbol,
backtestOptions.CandlePeriod.FromMinutesEquivalent(),
startDate,
endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod)));
if (candles.Count == 0 || candles.Last().Timestamp.ToUniversalTime() == startDate)
{
callback($"\tNo update: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
break;
}
startDate = candles.Last().Timestamp.ToUniversalTime();
if (!databaseExists)
{
await dataStore.SaveBacktestCandlesBulk(candles, backtestOptions);
databaseExists = true;
}
else
{
await dataStore.SaveBacktestCandlesBulkCheckExisting(candles, backtestOptions);
}
callback($"\tUpdated: {backtestOptions.Exchange.ToString()} with Period {backtestOptions.CandlePeriod.ToString()}min for {globalSymbol} {startDate.ToUniversalTime()} to {endDate.RoundDown(TimeSpan.FromMinutes(backtestOptions.CandlePeriod))} UTC");
}
catch (Exception e)
{
callback($"\tError while updating: {backtestOptions.Exchange.ToString()} {globalSymbol}: {e.Message}");
break;
}
}
lock (CurrentlyRunningUpdates)
{
CurrentlyRunningUpdates.Remove(currentlyRunningString);
}
}
}
public async Task <List <BackTestResult> > RunSingleStrategy(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore)
{
var results = new List <BackTestResult>();
// Go through our coinpairs and backtest them.
foreach (string globalSymbol in backtestOptions.Coins)
{
var candleProvider = new DatabaseCandleProvider();
backtestOptions.Coin = globalSymbol;
// This creates a list of buy signals.
var candles = await candleProvider.GetCandles(backtestOptions, dataStore);
var backTestResult = new BackTestResult {
Market = globalSymbol
};
try
{
var trend = strategy.Prepare(candles);
var signals = new List <TradeSignal>();
for (int i = 0; i < trend.Count; i++)
{
if (trend[i] == TradeAdvice.Buy)
{
var id = Guid.NewGuid();
signals.Add(new TradeSignal
{
Id = id,
MarketName = globalSymbol,
Price = candles[i].Close,
TradeAdvice = TradeAdvice.Buy,
SignalCandle = candles[i],
Timestamp = candles[i].Timestamp,
StrategyName = strategy.Name
});
// Calculate win/lose forwards from buy point
for (int j = i; j < trend.Count; j++)
{
// Sell as soon as the strategy tells us to..
if (trend[j] == TradeAdvice.Sell ||
ShouldSell((double)candles[i].Close, (double)candles[j].Close, candles[j].Timestamp) != SellType.None
)
{
//if (candles[i].Close == 0 || candles[j].Close == 0)
// continue;
// We ignore fees for now. Goal of the backtester is to compare strategy efficiency.
var currentProfitPercentage = ((candles[j].Close - candles[i].Close) / candles[i].Close) * 100;
var quantity = backtestOptions.StakeAmount / candles[i].Close; // We always trade with 0.1 BTC.
var currentProfit = (candles[j].Close - candles[i].Close) * quantity;
backTestResult.Trades.Add(new BackTestTradeResult
{
Market = globalSymbol,
Quantity = quantity,
OpenRate = candles[i].Close,
CloseRate = candles[j].Close,
ProfitPercentage = currentProfitPercentage,
Profit = currentProfit,
Duration = j - i,
StartDate = candles[i].Timestamp,
EndDate = candles[j].Timestamp
});
signals.Add(new TradeSignal
{
Id = Guid.NewGuid(),
ParentId = id,
MarketName = globalSymbol,
Price = candles[j].Close,
TradeAdvice = TradeAdvice.Sell,
SignalCandle = candles[j],
Profit = currentProfit,
PercentageProfit = currentProfitPercentage,
Timestamp = candles[j].Timestamp,
StrategyName = strategy.Name
});
if (backtestOptions.OnlyStartNewTradesWhenSold)
{
i = j;
}
break;
}
}
}
}
await candleProvider.SaveTradeSignals(backtestOptions, dataStore, signals);
}
catch (Exception ex)
{
ConsoleUtility.WriteColoredLine($"Error in Strategy: {strategy.Name}", ConsoleColor.Red);
ConsoleUtility.WriteColoredLine($"\t{ex.Message}", ConsoleColor.Red);
}
results.Add(backTestResult);
}
return(results);
}
public async Task <List <BackTestResult> > RunSingleStrategy(ITradingStrategy strategy, BacktestOptions backtestOptions, IDataStoreBacktest dataStore, string baseCurrency, bool saveSignals, decimal startingWallet, decimal tradeAmount)
{
var results = new List <BackTestResult>();
var allSignals = new List <TradeSignal>();
// Go through our coinpairs and backtest them.
foreach (string globalSymbol in backtestOptions.Coins)
{
var candleProvider = new DatabaseCandleProvider();
backtestOptions.Coin = globalSymbol;
// This creates a list of buy signals.
var candles = await candleProvider.GetCandles(backtestOptions, dataStore);
if (candles == null || !candles.Any())
{
continue;
}
candles = await candles.FillCandleGaps((Period)Enum.Parse(typeof(Period), backtestOptions.CandlePeriod.ToString(), true));
var backTestResult = new BackTestResult {
Market = globalSymbol
};
try
{
var trend = strategy.Prepare(candles);
var signals = new List <TradeSignal>();
for (int i = 0; i < trend.Count; i++)
{
if (trend[i] == TradeAdvice.Buy)
{
var id = Guid.NewGuid();
signals.Add(new TradeSignal
{
Id = id,
MarketName = globalSymbol,
Price = candles[i].Close,
TradeAdvice = TradeAdvice.Buy,
SignalCandle = candles[i],
Timestamp = candles[i].Timestamp,
StrategyName = strategy.Name
});
// Calculate win/lose forwards from buy point
for (int j = i; j < trend.Count; j++)
{
// Sell as soon as the strategy tells us to..
if (trend[j] == TradeAdvice.Sell ||
ShouldSell((double)candles[i].Close, (double)candles[j].Close, candles[j].Timestamp) != SellType.None
)
{
// We ignore fees for now. Goal of the backtester is to compare strategy efficiency.
var currentProfitPercentage = ((candles[j].Close - candles[i].Close) / candles[i].Close) * 100;
var quantity = tradeAmount / candles[i].Close;
var currentProfit = (candles[j].Close - candles[i].Close) * quantity;
backTestResult.Trades.Add(new BackTestTradeResult
{
Market = globalSymbol,
Quantity = quantity,
OpenRate = candles[i].Close,
CloseRate = candles[j].Close,
ProfitPercentage = currentProfitPercentage,
Profit = currentProfit,
Duration = j - i,
StartDate = candles[i].Timestamp,
EndDate = candles[j].Timestamp
});
signals.Add(new TradeSignal
{
Id = Guid.NewGuid(),
ParentId = id,
MarketName = globalSymbol,
Price = candles[j].Close,
TradeAdvice = TradeAdvice.Sell,
SignalCandle = candles[j],
Profit = currentProfit,
PercentageProfit = currentProfitPercentage,
Timestamp = candles[j].Timestamp,
StrategyName = strategy.Name
});
if (backtestOptions.OnlyStartNewTradesWhenSold)
{
i = j;
}
break;
}
}
}
}
if (saveSignals)
{
await candleProvider.SaveTradeSignals(backtestOptions, dataStore, signals);
}
allSignals.AddRange(signals);
}
catch (Exception ex)
{
ConsoleUtility.WriteColoredLine($"Error in Strategy: {strategy.Name}", ConsoleColor.Red);
ConsoleUtility.WriteColoredLine($"\t{ex.Message}", ConsoleColor.Red);
}
results.Add(backTestResult);
}
allSignals = allSignals.OrderBy(t => t != null).ThenBy(t => t.Timestamp).ToList();
#region wallet trend
var strategyTrades = new List <BackTestTradeResult>();
foreach (var marketResult in results)
{
strategyTrades.AddRange(marketResult.Trades);
}
strategyTrades = strategyTrades.OrderBy(t => t.StartDate).ToList();
decimal wallet = startingWallet;
decimal lowWallet = startingWallet;
int cct = 0;
int mct = 0;
for (int i = 0; i < allSignals.Count(); i++)
{
var signal = allSignals[i];
if (signal.TradeAdvice == TradeAdvice.Buy)
{
cct = cct + 1;
if (cct > mct)
{
mct = cct;
}
wallet = wallet - tradeAmount;
}
else if (signal.TradeAdvice == TradeAdvice.Sell)
{
cct = cct - 1;
wallet = wallet + (tradeAmount + signal.PercentageProfit * tradeAmount);
if (wallet < lowWallet)
{
lowWallet = wallet;
}
}
}
var ff = results.FirstOrDefault();
if (ff != null)
{
results.FirstOrDefault().ConcurrentTrades = mct;
results.FirstOrDefault().Wallet = wallet;
results.FirstOrDefault().LowWallet = lowWallet;
}
#endregion
return(results);
}
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);
}