private SymbolData GetOrAddData(ISymbolInfo symbol)
{
if (!SymbolsData.TryGetValue(symbol.Key, out SymbolData data))
{
data = new SymbolData(symbol);
_SymbolsData[symbol.Key] = data;
}
return(data);
}
private SymbolData GetSymbolData(SymbolInfo sym)
{
SymbolData symbolData;
if (!_SymbolsData.TryGetValue(sym.Key, out symbolData))
{
symbolData = new SymbolData(sym);
_SymbolsData.Add(sym.Key, symbolData);
}
return(symbolData);
}
private async Task ManageSymbol(SymbolData symData, TimeSlice slice)
{
var symbol = symData.Feed.Symbol;
//foreach operation check if the entry is enough
foreach (Operation operation in symData.ActiveOperations)
{
MyOperationData execData = InitializeOperationData(operation);
//check if it needs to be closed
if (operation.IsEntryExpired(Algo.Time) && (operation.AmountInvested <= 0 || operation.AmountRemaining / operation.AmountInvested <= 0.03m))
{
operation.ScheduleClose(Algo.Time.AddSeconds(5));
continue;
}
//check if entry needed
if (operation.AmountInvested <= 0 && !operation.IsEntryExpired(Algo.Time) && !Algo.EntriesSuspended)
{
var gotEntry = operation.Type == OperationType.BuyThenSell ?
(decimal)symData.Feed.Ask <= operation.Signal.PriceEntry :
(decimal)symData.Feed.Bid >= operation.Signal.PriceEntry;
//todo check if the last entry order was effectively executed
//check if we have already sent an order
if (execData.LastEntryOrder == null)
{
var originalAmount = AssetAmount.Convert(operation.AmountTarget, operation.Symbol.Asset, symData.Feed);
var stillToBuy = originalAmount - operation.AmountInvested;
if (stillToBuy / originalAmount > 0.2m)
{
//TODO check requirements for order: price precision, minimum amount, min notional, available money
var orderInfo = new OrderInfo()
{
Symbol = symbol.Key,
Type = OrderType.Market,
Effect = Algo.DoMarginTrading ? MarginOrderEffect.OpenPosition : MarginOrderEffect.None,
Amount = stillToBuy,
ClientOrderId = operation.GetNewOrderId(),
Direction = execData.EntryDirection
};
var ticket = await Algo.Market.PostNewOrder(orderInfo);
if (ticket.Status == RequestStatus.Completed)
{
//Market order was executed - we should expect the trade on next update
execData.LastEntryOrder = ticket.Result;
}
else
{
//todo log error
}
}
}
}
//check if exit needed
if (execData.LastExitOrder == null)
{
var shouldExit = operation.Signal.ExpireDate < Algo.Time;
var gotTarget = operation.Type == OperationType.BuyThenSell ?
(decimal)symData.Feed.Bid >= operation.Signal.PriceTarget :
(decimal)symData.Feed.Ask <= operation.Signal.PriceTarget;
if (shouldExit || gotTarget)
{
var amount = operation.AmountRemaining;
//TODO check requirements for order: price precision, minimum amount, min notional, available money
var orderInfo = new OrderInfo()
{
Symbol = symbol.Key,
Type = OrderType.Market,
Effect = Algo.DoMarginTrading ? MarginOrderEffect.ClosePosition : MarginOrderEffect.None,
Amount = amount,
ClientOrderId = operation.GetNewOrderId(),
Direction = execData.ExitDirection
};
var ticket = await Algo.Market.PostNewOrder(orderInfo);
if (ticket.Status == RequestStatus.Completed)
{
//Market order was executed - we should expect the trade on next update
execData.LastExitOrder = ticket.Result;
}
else
{
//TODO log error
}
}
}
}
}
public async Task Update(TimeSlice slice)
{
LastUpdate = Market.Time;
//update selected symbols
var changes = await SymbolsFilter.UpdateAsync(slice);
if (changes != SelectedSymbolsChanges.None)
{
var selectedForOperationsActive = this.ActiveOperations.Select(ao => ao.Symbol).GroupBy(ao => ao.Key).Select(g => g.First()).ToList();
//release feeds of unused symbols
foreach (var sym in changes.RemovedSymbols)
{
SymbolData symbolData = GetSymbolData(sym);
symbolData.IsSelectedForTrading = false;
//if it doesn't have acrive operations
if (!selectedForOperationsActive.Any(aos => aos.Key == sym.Key))
{
if (symbolData.Feed != null)
{
symbolData.Feed.OnData -= Feed_OnData;
this.ReleaseFeed(symbolData.Feed);
symbolData.Feed = null;
}
}
}
//add feeds for added symbols and those that have open operations
foreach (var sym in changes.AddedSymbols)
{
SymbolData symbolData = GetSymbolData(sym);
symbolData.IsSelectedForTrading = true;
}
foreach (var sym in changes.AddedSymbols.Concat(selectedForOperationsActive))
{
SymbolData symbolData = GetSymbolData(sym);
if (symbolData.Feed == null)
{
symbolData.Feed = await this.GetSymbolFeed(sym.Key);
symbolData.Feed.OnData -= Feed_OnData;
symbolData.Feed.OnData += Feed_OnData;
}
}
if (Sentry != null)
{
await Sentry.OnSymbolsChanged(changes);
}
if (Allocator != null)
{
Allocator.OnSymbolsChanged(changes);
}
if (Executor != null)
{
Executor.OnSymbolsChanged(changes);
}
if (RiskManager != null)
{
RiskManager.OnSymbolsChanged(changes);
}
}
// register trades with their linked operations
Operation[] oldOperations = null;
List <Operation> operationsResumed = new List <Operation>();
foreach (ITrade trade in slice.Trades)
{
//first search in active operations
var symData = _SymbolsData[trade.Symbol];
var activeOp = symData.ActiveOperations.FirstOrDefault(op => op.IsTradeAssociated(trade));
if (activeOp != null)
{
if (activeOp.AddTrade(trade))
{
Logger.Info($"{Time} - New trade for operation {activeOp.ToString()}: {trade.ToString()}");
}
}
else
{
//let's search in closed operations by getting ligtweigth instances
if (oldOperations == null)
{
//lock (DbLock)
// oldOperations = oldOperations ?? DbClosedOperations.Find(o => o.CreationTime >= Market.Time.AddDays(-5)).ToArray();
lock (DbLock)
oldOperations = QueryClosedOperations(doc => doc["CreationTime"].AsDateTime >= Market.Time.AddDays(-4));
}
var oldOp = oldOperations.FirstOrDefault(op => op.IsTradeAssociated(trade));
//if we found an operation let's get a real instance
if (oldOp != null)
{
oldOp = DbClosedOperations.FindById(oldOp.Id);
if (oldOp == null)
{
Logger.Error($"Operation found then not found! {oldOp}.");
}
}
if (oldOp != null)
{
operationsResumed.Add(oldOp);
if (oldOp.AddTrade(trade))
{
Logger.Info($"{Time} - New trade for 'old' operation {activeOp}: {trade.ToString()}");
}
//check if it got resumed by this new trade
if (!oldOp.IsClosed)
{
this.ResumeOperation(oldOp);
Logger.Info($"Resuming 'old' operation {activeOp}.");
}
else
{
oldOp.Dispose(); //otherwise we must dispose it
}
}
else
{
Logger.Debug($"{Time} - New trade {trade.ToString()} without any associated operation");
}
}
}
//dispose the operations that we didn't use
if (oldOperations != null)
{
foreach (var oper in oldOperations.Where(oo => !operationsResumed.Contains(oo)))
{
oper.Dispose();
}
}
// call OnUpdate
await OnUpdate(slice);
// get signals
if (Sentry != null)
{
Sentry.UpdateAsync(slice);
}
//create operations
if (Allocator != null)
{
Allocator.Update(slice);
}
//close operations that have been in close queue for enough time
lock (DbLock)
{
this.Db?.BeginTrans();
List <Operation> operationsToClose = _ActiveOperations.Where(op => this.Time >= op.CloseDeadTime).ToList();
foreach (var op in operationsToClose)
{
if (op.AmountInvested > 0)
{
Logger.Info("{0} - Closing operation {1}.", Time, op.ToString("c"));
}
else
{
Logger.Debug("{0} - Closing operation {1}.", Time, op.ToString("c"));
}
op.Close();
_ActiveOperations.Remove(op);
if (this.Config.SaveData || op.AmountInvested > 0)
{
this._ClosedOperations.Add(op);
}
this.SymbolsData[op.Symbol.Key].CloseOperation(op);
if (this.Config.SaveData)
{
lock (DbLock)
{
//update database
DbActiveOperations.Delete(op.Id);
DbClosedOperations.Upsert(op);
}
}
}
this.Db?.Commit();
}
//add new operations that have been created
foreach (var op in slice.NewOperations)
{
AddActiveOperation(op);
}
//manage orders
if (Executor != null)
{
await Executor.Update(slice);
}
//manage risk
if (RiskManager != null)
{
await RiskManager.Update(slice);
}
while (Commands.Count > 0)
{
try
{
if (Commands.TryDequeue(out Command command))
{
await command.Run();
}
}
catch (Exception ex)
{
Logger.Error($"Error while running command: {ex.Message}.");
}
}
if (Config.SaveData)
{
SaveNonVolatileVars();
}
}
public (decimal price, decimal amount) ClampOrderAmount(SymbolData symData, TradeDirection tradeDirection, (decimal price, decimal amount) adj)