Phase 4.5: Startup-Reihenfolge-Fix (State-Hydration vor Trading-Services)
- Neuer StartupHydrationService (IHostedService), als ERSTER HostedService registriert: hydriert Accounts (+ Demo-Positionen via Repos) und Trader (trackers-Collection) in den TradingState, bevor die Trading-Services ihre ExecuteAsync starten. - frm_main.LoadDatabaseAndState() + beide Aufrufe entfernt (verhinderte doppelte, überschreibende Hydration nach Service-Start). - Behebt den Race, bei dem Services gegen leeren State anliefen. - Build 0 Fehler. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -72,6 +72,9 @@ internal static class Program
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services.AddSingleton<ThreemaService>();
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services.AddSingleton<JobManager>();
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services.AddSingleton<TraderMonitorService>();
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// MUSS als erster HostedService laufen: hydriert den State, bevor die
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// Trading-Services (unten) gegen einen leeren State anlaufen.
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services.AddHostedService<StartupHydrationService>();
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services.AddHostedService((IServiceProvider sp) => sp.GetRequiredService<TraderMonitorService>());
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services.AddHostedService<CopyTradingEngine>();
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services.AddHostedService<AlchemyWebsocketService>();
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+4
-25
@@ -342,7 +342,6 @@ namespace PolyTraderSharp
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dgv_jobs.DataSource = _jobManager.Jobs;
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this.FormClosing += Frm_main_FormClosing;
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LoadDatabaseAndState();
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// Setup Terminal Filter
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cb_terminalLogLevel.Items.Clear();
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@@ -503,8 +502,7 @@ namespace PolyTraderSharp
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btn_vpnConnect.Click += async (s, ev) => await _vpnService.ConnectAsync();
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btn_vpndisconnect.Click += async (s, ev) => await _vpnService.DisconnectAsync();
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// Default Inactive overriding snapshot
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LoadDatabaseAndState();
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// Default Inactive overriding snapshot (State-Hydration erfolgt im StartupHydrationService)
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_tradingState.LiveTradingMode = TradingMode.Inactive;
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_tradingState.DemoTradingMode = TradingMode.Inactive;
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UpdateToggleButtons();
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@@ -964,28 +962,9 @@ namespace PolyTraderSharp
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FormatTradeGrid(dgv_closedTrades);
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}
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private void LoadDatabaseAndState()
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{
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var accountsCol = _db.GetCollection<AccountState>("accounts");
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var tradersCol = _db.GetCollection<TrackedTrader>("trackers");
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var allAccounts = accountsCol.LiteFindAll().ToList();
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foreach (var acc in allAccounts)
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{
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if (acc.IsDemo)
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{
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var demoPosCol = _db.GetCollection<Position>($"demo_positions_{acc.AccountId}");
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foreach (var pos in demoPosCol.LiteFindAll())
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{
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acc.OpenPositions.TryAdd(pos.TokenId, pos);
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}
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}
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_tradingState.Accounts[acc.AccountId] = acc;
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}
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foreach (var trd in tradersCol.LiteFindAll())
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_tradingState.Traders[trd.Id] = trd;
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}
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// Hydration des TradingState erfolgt jetzt zentral im StartupHydrationService
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// (läuft vor den Trading-Services). Die frühere LoadDatabaseAndState()-Methode
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// wurde entfernt, um doppelte/überschreibende Hydration zu vermeiden.
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private void SetupTraderManagementUI()
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{
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@@ -0,0 +1,76 @@
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Hosting;
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using MongoDB.Driver;
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using PolyTrader.Core.Persistence;
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using PolyTraderSharp.Models;
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namespace PolyTraderSharp.Services
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{
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/// <summary>
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/// Hydriert den TradingState (Accounts, Demo-Positionen, Trader) EINMALIG beim App-Start.
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/// Registriert als erster IHostedService, damit die Hydration abgeschlossen ist, bevor die
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/// Trading-BackgroundServices (TraderMonitor, CopyTradingEngine, ...) ihre ExecuteAsync
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/// starten. Behebt den Startup-Race, bei dem Services gegen einen leeren State anliefen
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/// (früher lag diese Logik in frm_main.LoadDatabaseAndState und lief erst NACH AppHost.Start()).
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/// </summary>
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public class StartupHydrationService : IHostedService
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{
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private readonly TradingState _state;
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private readonly IAccountRepository _accountRepo;
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private readonly IPositionRepository _positionRepo;
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private readonly IMongoDatabase _db;
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private readonly TerminalLogger _logger;
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public StartupHydrationService(
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TradingState state,
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IAccountRepository accountRepo,
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IPositionRepository positionRepo,
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IMongoDatabase db,
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TerminalLogger logger)
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{
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_state = state;
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_accountRepo = accountRepo;
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_positionRepo = positionRepo;
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_db = db;
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_logger = logger;
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}
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public Task StartAsync(CancellationToken cancellationToken)
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{
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try
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{
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foreach (var acc in _accountRepo.GetAll())
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{
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if (acc.IsDemo)
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{
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foreach (var pos in _positionRepo.GetDemo(acc.AccountId))
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{
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acc.OpenPositions.TryAdd(pos.TokenId, pos);
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}
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}
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_state.Accounts[acc.AccountId] = acc;
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}
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// Trader (TrackedTrader) sind aktuell noch modulnah; bis zum Trader-Repo in
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// Phase 5 direkt aus der "trackers"-Collection geladen.
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var tradersCol = _db.GetCollection<TrackedTrader>("trackers");
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foreach (var trd in tradersCol.Find(_ => true).ToList())
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{
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_state.Traders[trd.Id] = trd;
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}
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_logger.Info($"Startup-Hydration abgeschlossen: {_state.Accounts.Count} Accounts, {_state.Traders.Count} Trader geladen.");
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}
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catch (System.Exception ex)
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{
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_logger.Error($"Startup-Hydration fehlgeschlagen: {ex.Message}");
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}
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return Task.CompletedTask;
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}
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public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
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}
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}
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