Files
PolyTraderSharp/services/CopyTradingEngine.cs.bak5
T
bergmandClaude Opus 4.8 475d396f80 Baseline: Ausgangszustand vor Modularisierung
Erster Commit des bestehenden monolithischen WinForms-Copytraders,
inklusive der Alt-Backups (*.bak), damit diese dauerhaft in der
Historie rekonstruierbar bleiben. Threema-Lib unter libs/ wurde
vendored (nested .git entfernt).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-01 13:16:16 +02:00

603 lines
32 KiB
Plaintext

using System;
using System.Threading;
using System.Threading.Channels;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using PolyTraderSharp.Models;
using System.Collections.Concurrent;
using System.Linq;
namespace PolyTraderSharp.Services
{
public class CopyTradingEngine : BackgroundService
{
private readonly TradingState _state;
private readonly ChannelReader<CopySignal> _signalReader;
private readonly ChannelWriter<ClosedTrade> _closedTradeWriter;
private readonly TerminalLogger _logger;
private readonly PolymarketClobClient _clob;
private readonly PolymarketApiService _api;
private readonly LiteDB.ILiteDatabase? _db;
private static readonly ConcurrentDictionary<string, MarketData> _marketCache = new(StringComparer.OrdinalIgnoreCase);
private readonly ConcurrentDictionary<int, SemaphoreSlim> _accountSemaphores = new();
public CopyTradingEngine(
TradingState state,
ChannelReader<CopySignal> signalReader,
ChannelWriter<ClosedTrade> closedTradeWriter,
TerminalLogger logger,
PolymarketClobClient clob,
PolymarketApiService api,
LiteDB.ILiteDatabase? db = null)
{
_state = state;
_signalReader = signalReader;
_closedTradeWriter = closedTradeWriter;
_logger = logger;
_clob = clob;
_api = api;
_db = db;
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.Info("CopyTradingEngine Channel Listener started (Concurrent).");
var semaphore = new SemaphoreSlim(15, 15);
await foreach (var signal in _signalReader.ReadAllAsync(stoppingToken))
{
await semaphore.WaitAsync(stoppingToken);
_ = Task.Run(async () =>
{
try
{
await ProcessSignalAsync(signal);
}
catch (Exception ex)
{
_logger.Error($"Absturz im SignalProcessor: {ex.Message}");
}
finally
{
semaphore.Release();
}
}, stoppingToken);
}
}
private async Task ProcessSignalAsync(CopySignal signal)
{
if (_state.GlobalTradingPaused)
{
return;
}
// Internal System Signal (e.g. Demo Auto-Close)
if (signal.TraderId == 0)
{
var sysaccountTasks = new List<Task>();
foreach (var account in _state.Accounts.Values.Where(a => a.IsDemo && a.IsActive))
{
if (account.OpenPositions.ContainsKey(signal.TokenId))
{
sysaccountTasks.Add(ProcessAccountOrderAsync(account, null, signal));
}
}
await Task.WhenAll(sysaccountTasks);
return;
}
if (!_state.Traders.TryGetValue(signal.TraderId, out var trader) || !trader.IsActive)
return;
// --- Pre-Fetch EndDate für Time Limits ---
if (signal.Side == "BUY" && !signal.EndDate.HasValue && !string.IsNullOrEmpty(signal.TokenId))
{
if (_marketCache.TryGetValue(signal.TokenId, out var cachedData) && cachedData.EndDate.HasValue)
{
signal.EndDate = cachedData.EndDate;
}
else if (_api != null)
{
try
{
var fetchedMarket = await _api.GetMarketByTokenIdAsync(signal.TokenId);
if (fetchedMarket != null)
{
if (fetchedMarket.EndDate.HasValue) signal.EndDate = fetchedMarket.EndDate;
_marketCache[signal.TokenId] = fetchedMarket;
if (_db != null) _db.GetCollection<MarketData>("markets").Upsert(fetchedMarket);
}
}
catch (Exception ex)
{
_logger.Warning($"Fehler beim Pre-Fetch MarketData: {ex.Message}");
}
}
}
// -----------------------------------------
var accountTasks = new List<Task>();
foreach (var accountId in trader.AssignedAccountIds)
{
if (!_state.Accounts.TryGetValue(accountId, out var account) || !account.IsActive)
continue;
accountTasks.Add(ProcessAccountOrderAsync(account, trader, signal));
}
await Task.WhenAll(accountTasks);
}
private async Task ProcessAccountOrderAsync(AccountState account, TrackedTrader? trader, CopySignal signal)
{
var mode = account.IsDemo ? _state.DemoTradingMode : _state.LiveTradingMode;
if (mode == TradingMode.Inactive)
return;
// Restrict BUY operations if mode is SellOnly
if (mode == TradingMode.SellOnly && signal.Side == "BUY")
return;
string shareType = string.IsNullOrEmpty(signal.Outcome) ? signal.Side : signal.Outcome;
var accountSemaphore = _accountSemaphores.GetOrAdd(account.AccountId, _ => new SemaphoreSlim(1, 1));
await accountSemaphore.WaitAsync();
try
{
// ==========================================
// OPEN ORDER CLEANUP (LIVE ACCOUNTS ONLY)
// ==========================================
// Wenn ein neues Signal für diesen Markt reinkommt, prüfen wir auf veraltete offene Orders.
// Identische Preise bleiben bestehen. Abweichende verhindern ungültiges Blockieren von Funds.
if (!account.IsDemo && !string.IsNullOrEmpty(signal.TokenId))
{
await _clob.CancelConflictingOrdersAsync(account, signal.TokenId, signal.Price, signal.Side);
}
if (_marketCache.TryGetValue(signal.TokenId, out var fastCachedData))
{
if (fastCachedData.EndDate.HasValue) signal.EndDate = fastCachedData.EndDate;
}
// ==========================================
// PRE-FLIGHT RISK CHECKS (Before DB/API!)
// ==========================================
decimal exactShares = 0m;
decimal exactUsdc = 0m;
decimal orderPrice = signal.Price;
if (signal.Side == "BUY")
{
if (signal.Price > account.MaxBuyPrice && account.TotalBalance >= 500m)
{
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] verworfen:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: Preis (${signal.Price:F3}) übersteigt das MaxBuy Limit (${account.MaxBuyPrice:F3})");
return;
}
decimal investedInMarket = account.OpenPositions.TryGetValue(signal.TokenId, out var ep) ? ep.AmountUsd : 0m;
decimal minTrade = 1.0m;
decimal maxAllowed = account.TotalBalance * (account.PerMarketLimit / 100.0m);
// Low Balance Bypass (Stufen-System) ONLY IF NOT YET INVESTED
if (investedInMarket == 0)
{
if (account.TotalBalance < 150m) maxAllowed = Math.Min(1.20m, Math.Max(account.AvailableBalance, 0m));
else if (account.TotalBalance < 500m) maxAllowed = Math.Min(3.0m, Math.Max(account.AvailableBalance, 0m));
if (_state.SixSharesMinimum && account.TotalBalance < 500m)
{
// Adjust maxAllowed to cover at least 6 shares * order limit price.
decimal desiredLimitForSix = signal.Price * 1.05m;
decimal orderPriceForSix = Math.Min(desiredLimitForSix, account.MaxBuyPrice);
if (orderPriceForSix > 0.99m) orderPriceForSix = 0.99m;
decimal costSix = 6m * orderPriceForSix;
if (costSix > maxAllowed)
{
maxAllowed = Math.Min(costSix, Math.Max(account.AvailableBalance, 0m));
}
}
}
decimal maxAmountToBuy = maxAllowed - investedInMarket;
decimal investedInMaster = trader != null ? account.OpenPositions.Values.Where(p => p.SourceTraderId == trader.Id).Sum(p => (decimal)p.AmountUsd) : 0m;
decimal maxAllowedPerMaster = account.TotalBalance * (account.PerMasterLimit / 100.0m);
if (trader != null && (investedInMaster + maxAmountToBuy) > maxAllowedPerMaster)
{
decimal pctInvested = account.TotalBalance > 0 ? (investedInMaster / account.TotalBalance) * 100m : 0m;
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] verworfen:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: PerMasterLimit ({account.PerMasterLimit:F1}%) erreicht. Bisher investiert in '{trader.DisplayName}': ${investedInMaster:F2} ({pctInvested:F1}%).");
return;
}
// Time Limit Restriktion
double hoursLeft = signal.EndDate.HasValue ? (signal.EndDate.Value - DateTime.UtcNow).TotalHours : 999999;
decimal applicableTimeLimitPct;
decimal investedInTimeframe = 0m;
string timeframeLabel = "";
var openVals = account.OpenPositions.Values;
if (hoursLeft < 6)
{
applicableTimeLimitPct = account.perMaxTime6h;
timeframeLabel = "< 6h";
investedInTimeframe = openVals.Where(p => p.ExpiryDate.HasValue && (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours < 6).Sum(p => (decimal)p.AmountUsd);
}
else if (hoursLeft < 24)
{
applicableTimeLimitPct = account.perMaxTime24h;
timeframeLabel = "< 24h";
investedInTimeframe = openVals.Where(p => p.ExpiryDate.HasValue && (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours >= 6 && (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours < 24).Sum(p => (decimal)p.AmountUsd);
}
else if (hoursLeft < 72)
{
applicableTimeLimitPct = account.perMaxTime72h;
timeframeLabel = "< 72h";
investedInTimeframe = openVals.Where(p => p.ExpiryDate.HasValue && (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours >= 24 && (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours < 72).Sum(p => (decimal)p.AmountUsd);
}
else
{
applicableTimeLimitPct = account.perMaxTimeNone;
timeframeLabel = "> 72h";
investedInTimeframe = openVals.Where(p => !p.ExpiryDate.HasValue || (p.ExpiryDate.Value - DateTime.UtcNow).TotalHours >= 72).Sum(p => (decimal)p.AmountUsd);
}
decimal maxAllowedTimeframe = account.TotalBalance * (applicableTimeLimitPct / 100.0m);
if ((investedInTimeframe + maxAmountToBuy) > maxAllowedTimeframe)
{
decimal remainingForTimeframe = maxAllowedTimeframe - investedInTimeframe;
if (remainingForTimeframe < minTrade)
{
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] verworfen:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: TimeLimit '{timeframeLabel}' ({applicableTimeLimitPct:F1}%) erreicht. Bisher investiert: ${investedInTimeframe:F2} / max. ${maxAllowedTimeframe:F2}");
return;
}
else
{
maxAmountToBuy = remainingForTimeframe;
}
}
if (maxAmountToBuy < minTrade)
{
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] verworfen:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: Kauflimit (${maxAllowed:F2}) bereits in Markt investiert (${investedInMarket:F2}). Rest: ${maxAmountToBuy:F2} < MinTrade (${minTrade:F2})");
return;
}
if (maxAmountToBuy > account.AvailableBalance)
{
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] verworfen:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: Kontostand (${account.AvailableBalance:F2}) nicht ausreichend für errechnetes Size (${maxAmountToBuy:F2})");
return;
}
decimal desiredLimit = signal.Price * 1.05m;
orderPrice = Math.Min(desiredLimit, account.MaxBuyPrice);
if (orderPrice > 0.99m) orderPrice = 0.99m;
var exact = PolymarketClobClient.CalculateExactOrderAmounts(maxAmountToBuy, orderPrice, orderPrice, "BUY");
if (exact.shares <= 0 || exact.usdc > account.AvailableBalance)
{
_logger.TradeReasoning($"❌ Trade BUY [{signal.MarketQuestion}] [{shareType}] gestoppt:\n" +
$" Begründung: Mathematisch unmöglicher Trade ({exact.shares} Shares für ${exact.usdc:F2}). Kontostand (${account.AvailableBalance:F2}) reicht für Minimum nicht aus.");
return;
}
exactShares = exact.shares;
exactUsdc = exact.usdc;
}
else if (signal.Side == "SELL")
{
// PRE-FLIGHT SELL Check: Exists in portfolio?
// Allow fallback matching by slug and outcome if tokenId is slightly off or missing
var inPortfolio = account.OpenPositions.Values.FirstOrDefault(p => p.TokenId == signal.TokenId || (p.MarketSlug == signal.MarketSlug && p.Outcome == signal.Outcome));
if (inPortfolio == null)
{
_logger.Info($"❌ Trade SELL [{signal.MarketQuestion}] [{shareType}] ignoriert:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: Position nicht im Portfolio gefunden (möglicherweise zuvor gefiltert).");
return;
}
}
// ==========================================
// EXPENSIVE DB/API MARKET LOOKUP
// ==========================================
bool isNegRisk = false;
if (_marketCache.TryGetValue(signal.TokenId, out var cachedData))
{
if (!string.IsNullOrEmpty(cachedData.Slug)) signal.MarketSlug = cachedData.Slug;
if (!string.IsNullOrEmpty(cachedData.Question)) signal.MarketQuestion = cachedData.Question;
if (cachedData.EndDate.HasValue) signal.EndDate = cachedData.EndDate;
isNegRisk = cachedData.NegRisk;
}
else if (_db != null)
{
try
{
var marketColl = _db.GetCollection<MarketData>("markets");
var marketData = marketColl.Find(x => x.ClobTokenIds != null && x.ClobTokenIds.Contains(signal.TokenId)).FirstOrDefault();
if (marketData == null && !string.IsNullOrEmpty(signal.TokenId))
{
var fetchedMarket = await _api.GetMarketByTokenIdAsync(signal.TokenId);
if (fetchedMarket != null) { marketColl.Upsert(fetchedMarket); marketData = fetchedMarket; }
}
if (marketData == null && !string.IsNullOrEmpty(signal.MarketSlug) && !signal.MarketSlug.StartsWith("0x"))
{
var fetchedMarkets = await _api.GetMarketsByEventSlugAsync(signal.MarketSlug);
foreach (var fetched in fetchedMarkets) {
marketColl.Upsert(fetched);
if (fetched.ClobTokenIds != null && fetched.ClobTokenIds.Contains(signal.TokenId)) marketData = fetched;
}
}
if (marketData != null)
{
if (!string.IsNullOrEmpty(marketData.Slug)) signal.MarketSlug = marketData.Slug;
if (!string.IsNullOrEmpty(marketData.Question)) signal.MarketQuestion = marketData.Question;
if (marketData.EndDate.HasValue) signal.EndDate = marketData.EndDate;
isNegRisk = marketData.NegRisk;
// Add to Cache for fast lookup
_marketCache[signal.TokenId] = marketData;
}
}
catch (Exception ex)
{
_logger.Warning($"Fehler beim Abrufen von MarketData für Token {signal.TokenId}: {ex.Message}");
}
}
// If BUY -> Invest
if (signal.Side == "BUY")
{
if (account.IsDemo)
{
var pos = new Position
{
TokenId = signal.TokenId,
MarketSlug = signal.MarketSlug,
SourceTraderId = trader?.Id ?? 0,
SourceTraderName = trader?.DisplayName ?? "System",
SourceTraderAddress = trader?.WalletAddress ?? "",
MarketQuestion = signal.MarketQuestion,
Outcome = signal.Outcome,
Side = "BUY",
EntryPrice = orderPrice,
Size = exactShares,
AmountUsd = exactUsdc,
ExpiryDate = signal.EndDate ?? DateTime.UtcNow.AddDays(14)
};
_state.TotalCopyTrades++;
var finalPos = account.OpenPositions.AddOrUpdate(signal.TokenId, pos, (k, old) =>
{
old.Size += pos.Size;
old.AmountUsd += pos.AmountUsd;
old.EntryPrice = old.AmountUsd / old.Size; // weighted average
return old;
});
if (_db != null) _db.GetCollection<Position>($"demo_positions_{account.AccountId}").Upsert(finalPos);
account.UpdateBalance(account.AvailableBalance - exactUsdc);
if (_db != null) _db.GetCollection<AccountState>("accounts").Upsert(account);
_logger.Trade($"✅ [DEMO AUSGEFÜHRT]\n" +
$" Konto: {account.Name}\n" +
$" Markt: {signal.MarketQuestion}\n" +
$" BUY: {exactShares:F4} Shares [{shareType}] @ ${orderPrice:F3} (Gesamt: ${exactUsdc:F2})");
}
else
{
_logger.Info($"🌐 [LIVE-EXECUTION] Sende MARKET BUY an Polymarket CTF-Router...\n" +
$" Account: {account.Name}\n" +
$" Limit: ${orderPrice:F3} (Target: {signal.Price:F3} + 5%)");
var result = await _clob.PlaceOrderAsync(account, signal.TokenId, signal.Side, exactUsdc, orderPrice, "MARKET", _state.DebugOrderPayloadLog, isNegRisk);
if (result == "OK")
{
var pos = new Position
{
TokenId = signal.TokenId,
MarketSlug = signal.MarketSlug,
SourceTraderId = trader?.Id ?? 0,
SourceTraderName = trader?.DisplayName ?? "System",
SourceTraderAddress = trader?.WalletAddress ?? "",
MarketQuestion = signal.MarketQuestion,
Outcome = signal.Outcome,
Side = "BUY",
EntryPrice = orderPrice, // Real execution price will update on next SyncOpenPositions poll
Size = exactShares,
AmountUsd = exactUsdc,
ExpiryDate = signal.EndDate ?? DateTime.UtcNow.AddDays(14)
};
_state.TotalCopyTrades++;
account.OpenPositions.AddOrUpdate(signal.TokenId, pos, (k, old) =>
{
old.Size += pos.Size;
old.AmountUsd += pos.AmountUsd;
old.EntryPrice = old.AmountUsd / old.Size;
return old;
});
account.UpdateBalance(account.AvailableBalance - exactUsdc);
if (_db != null) _db.GetCollection<AccountState>("accounts").Upsert(account);
if (_db != null)
{
var liveCol = _db.GetCollection<Position>($"open_positions_{account.AccountId}");
if (account.OpenPositions.TryGetValue(signal.TokenId, out var savedPos))
{
liveCol.Upsert(savedPos);
}
}
}
}
}
// If SELL -> Divest
else if (signal.Side == "SELL")
{
bool removed = account.OpenPositions.TryRemove(signal.TokenId, out var openPos);
if (!removed && !string.IsNullOrEmpty(signal.MarketSlug))
{
var altPos = account.OpenPositions.Values.FirstOrDefault(p => p.MarketSlug == signal.MarketSlug && p.Outcome == signal.Outcome);
if (altPos != null)
{
removed = account.OpenPositions.TryRemove(altPos.TokenId, out openPos);
if (removed)
{
_logger.Info($"Fallback: Position für SELL über Slug+Outcome gefunden ({altPos.TokenId}) statt TokenId ({signal.TokenId})");
signal.TokenId = altPos.TokenId; // Fix for further processing
}
}
}
if (removed && openPos != null)
{
if (account.IsDemo)
{
if (_db != null) _db.GetCollection<Position>($"demo_positions_{account.AccountId}").Delete(signal.TokenId);
decimal exitUsd = openPos.Size * signal.Price;
decimal realizedPnl = exitUsd - openPos.AmountUsd;
_state.GlobalPnl += realizedPnl;
account.UpdateBalance(account.AvailableBalance + exitUsd);
if (_db != null) _db.GetCollection<AccountState>("accounts").Upsert(account);
var ct = new ClosedTrade
{
TradeId = _state.TotalCopyTrades,
AccountId = account.AccountId,
SourceTraderId = signal.TraderId,
IsDemo = account.IsDemo,
MarketSlug = signal.MarketSlug,
MarketQuestion = signal.MarketQuestion,
Outcome = signal.Outcome,
Side = signal.Side,
EntryPrice = openPos.EntryPrice,
ExitPrice = signal.Price,
Size = openPos.Size,
RealizedPnl = realizedPnl,
PnlPercent = openPos.AmountUsd > 0 ? (realizedPnl / openPos.AmountUsd * 100m) : 0m,
OpenedAt = openPos.OpenedAt,
ClosedAt = DateTime.UtcNow,
ExitReason = signal.Reason
};
_closedTradeWriter.TryWrite(ct);
_logger.Trade($"✅ [DEMO GESCHLOSSEN]\n" +
$" Konto: {account.Name}\n" +
$" Markt: {signal.MarketQuestion}\n" +
$" SELL: {openPos.Size:F2} Shares [{shareType}] @ ${signal.Price:F3} (Gewinn: ${realizedPnl:F2})");
}
else
{
decimal sellLimit = 0.01m; // Slippage Limit (Min $0.01/share)
decimal maxInvest = openPos.Size * sellLimit;
var exact = PolymarketClobClient.CalculateExactOrderAmounts(maxInvest, sellLimit, sellLimit, "SELL", "MARKET");
if (exact.shares <= 0)
{
_logger.TradeReasoning($"❌ Trade SELL [{signal.MarketQuestion}] [{shareType}] fehlgeschlagen!\n" +
$" Konto: {account.Name}\n" +
$" Grund: Mathematical Order Size Error (Dust Token).");
account.OpenPositions.TryAdd(signal.TokenId, openPos);
return;
}
_logger.Info($"🌐 [LIVE-EXECUTION] Sende MARKET SELL an Polymarket CTF-Router...\n" +
$" Account: {account.Name}\n" +
$" Typ: MARKET Order");
var result = await _clob.PlaceOrderAsync(account, signal.TokenId, signal.Side, maxInvest, sellLimit, "MARKET", _state.DebugOrderPayloadLog, isNegRisk);
if (result == "OK")
{
// Simulate fill at expected price for immediate UI accuracy
// (Exact executed amounts will auto-correct on next SyncOpenPositions poll)
decimal exitUsd = exact.shares * signal.Price;
decimal realizedPnl = exitUsd - openPos.AmountUsd;
_state.GlobalPnl += realizedPnl;
account.UpdateBalance(account.AvailableBalance + exitUsd);
if (_db != null) _db.GetCollection<AccountState>("accounts").Upsert(account);
var ct = new ClosedTrade
{
TradeId = _state.TotalCopyTrades,
AccountId = account.AccountId,
SourceTraderId = signal.TraderId,
IsDemo = false,
MarketSlug = signal.MarketSlug,
MarketQuestion = signal.MarketQuestion,
Outcome = signal.Outcome,
Side = signal.Side,
EntryPrice = openPos.EntryPrice,
ExitPrice = signal.Price,
Size = openPos.Size,
RealizedPnl = realizedPnl,
PnlPercent = openPos.AmountUsd > 0 ? (realizedPnl / openPos.AmountUsd * 100m) : 0m,
OpenedAt = openPos.OpenedAt,
ClosedAt = DateTime.UtcNow,
ExitReason = signal.Reason
};
_closedTradeWriter.TryWrite(ct);
_logger.Trade($"✅ [LIVE GESCHLOSSEN] - {account.Name} - Gewinne/Verluste in Kürze im API Sync sichtbar.");
}
else
{
// Call failed, log it so the user knows Sells are being attempted but failing.
_logger.TradeReasoning($"❌ Trade SELL [{signal.MarketQuestion}] [{shareType}] fehlgeschlagen!\n" +
$" Konto: {account.Name}\n" +
$" Grund: {result}\n" +
$" Aktion: Position bleibt vorerst im Portfolio erhalten.");
// Reverse the TryRemove if it failed, so the next poll can try again
account.OpenPositions.TryAdd(signal.TokenId, openPos);
}
}
}
else
{
_logger.Info($"❌ Trade SELL [{signal.MarketQuestion}] [{shareType}] ignoriert:\n" +
$" Konto: {account.Name}\n" +
$" Begründung: Position nicht im Portfolio gefunden (möglicherweise zuvor gefiltert).");
}
}
}
finally
{
accountSemaphore.Release();
}
}
}
}