Accounting A-1: Ingest-Fundament (unabhaengiger Ledger, idempotent, read-only)
Neues Modul PolyTrader.Modules.Accounting (IPolyTraderModule, acc_-Praefix, nur Core-Referenz, KEIN Handel). Konzept: docs/konzepte/KONZEPT-Modul-Accounting.md, Phase A-1. Buchungsgrundlage ausschliesslich aus unabhaengigen Polymarket-/On-Chain-Abrufen (nie unsere Trading-DB), append-only, prueffaehig: - Modelle: LedgerEntry (+ LedgerEventType), IngestRun (mit Balance-Anker), RawSnapshot, RawActivity/RawTransfer (normalisierte Eingaben, entkoppeln pure Logik von der API-Feldbenennung). - AccountingClassifier (Logic/, pur+getestet): Activity->Buchungssatz (Typ/Vorzeichen: BUY=Cash raus inkl. Fee, SELL=Cash rein minus Fee, Redeem/Reward +, Split/Merge/Conversion geldneutral), stabiler Idempotency-Key; Transfer-Klassifikation trennt intern (System-Contract-Whitelist) von externen Deposits/Withdrawals. SumNet fuer den Balance-Anker-Abgleich. - AccountingDbContext (acc_ledger append-only + Unique-Index Idempotency, acc_ingest_runs, acc_raw; Autoincrement-PKs). Migration InitialAccounting generiert UND angewendet. Repos mit idempotentem Upsert (true=neu/false=Duplikat). - AccountingIngestService (BackgroundService): testbarer IngestAccountAsync - Activity + On-Chain- Transfers klassifizieren + idempotent buchen, Rohschnappschuss ablegen, Lauf inkl. Balance-Anker- Delta protokollieren; Backfill vs. inkrementell (Lookback-Ueberlappung gegen API-Lag). - Quellen hinter Interfaces (IActivitySource/ITransferSource/IBalanceAnchorSource) mit Null-Stubs: Modul laeuft offline und bucht korrekt nichts. Live-Abruf + System-Contract-Whitelist = Zielland. - UI designerfaehig (partial + .Designer.cs): Tabs Ledger (filterbar) + Abruf/Status (Ingest-Laeufe, Balance-Anker, manueller Backfill/Inkrement). - Program.cs (beide Modul-Listen) + sln + App/Tests-Referenzen. A-2 (Abrechnung/BWA/FX), A-3 (US-Steuerschicht FIFO/Form-8949), A-4 (CSV/PDF via PDFsharp/MigraDoc) folgen. Tests: +12 (Klassifikation, intern/extern-Transfer, Ingest-Idempotenz, Balance-Anker, Inkrement-Fenster). Build 0 Fehler, 379 Tests gruen, --smoke-ui alle 6 Views gruen. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Claude Opus 4.8
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using PolyTrader.Modules.Accounting.Models;
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namespace PolyTrader.Modules.Accounting.Services
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{
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/// <summary>
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/// Unabhängige Polymarket-Activity-Quelle (Data-API /activity, ALLE Typen). Interface, damit die
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/// Buchungslogik ohne Live-API testbar/offline lauffähig ist; die Live-Implementierung (Zielland)
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/// mappt die reale API-JSON auf <see cref="RawActivity"/> und speichert den Rohschnappschuss.
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/// </summary>
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public interface IActivitySource
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{
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/// <summary>Activity ab <paramref name="since"/> (null = volle Historie/Backfill), paginiert.</summary>
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Task<IReadOnlyList<RawActivity>> GetActivityAsync(string wallet, DateTime? since, CancellationToken ct);
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}
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/// <summary>On-Chain-USDC-Transfers des Safe-Wallets (ERC-20-Logs). Live-Impl über Alchemy (Zielland).</summary>
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public interface ITransferSource
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{
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Task<IReadOnlyList<RawTransfer>> GetTransfersAsync(string wallet, DateTime? since, CancellationToken ct);
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}
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/// <summary>On-Chain-USDC-Saldo als Balance-Anker (Soll-Ist). Live-Impl über GetUsdcBalanceAsync.</summary>
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public interface IBalanceAnchorSource
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{
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Task<decimal?> GetBalanceAsync(string wallet, CancellationToken ct);
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}
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/// <summary>
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/// Offline-Stubs: das Modul läuft ohne Live-Anbindung vollständig (Ingest bucht dann korrekt nichts).
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/// Im Zielland werden die echten Quellen registriert (Muster wie NullFarmingMarketSource).
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/// </summary>
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public sealed class NullActivitySource : IActivitySource
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{
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public Task<IReadOnlyList<RawActivity>> GetActivityAsync(string wallet, DateTime? since, CancellationToken ct)
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=> Task.FromResult((IReadOnlyList<RawActivity>)Array.Empty<RawActivity>());
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}
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public sealed class NullTransferSource : ITransferSource
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{
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public Task<IReadOnlyList<RawTransfer>> GetTransfersAsync(string wallet, DateTime? since, CancellationToken ct)
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=> Task.FromResult((IReadOnlyList<RawTransfer>)Array.Empty<RawTransfer>());
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}
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public sealed class NullBalanceAnchorSource : IBalanceAnchorSource
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{
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public Task<decimal?> GetBalanceAsync(string wallet, CancellationToken ct) => Task.FromResult((decimal?)null);
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}
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/// <summary>
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/// Whitelist der Polymarket-System-Contract-Adressen (lowercased). Transfers zu/von diesen Adressen
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/// sind interne Trading-Bewegungen (bereits in der Activity), KEINE Ein-/Auszahlungen. Wird im
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/// Zielland aus Config/Docs befüllt/verifiziert (CTF-Adresse liegt bereits im Core; Exchange/
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/// NegRisk-Adapter/USDC ergänzen). Default leer → ohne Live-Transfers unkritisch.
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/// </summary>
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public sealed class AccountingSystemContracts
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{
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public HashSet<string> Addresses { get; } = new(StringComparer.OrdinalIgnoreCase);
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public AccountingSystemContracts(IEnumerable<string>? addresses = null)
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{
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if (addresses == null) return;
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foreach (var a in addresses)
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if (!string.IsNullOrWhiteSpace(a)) Addresses.Add(a.Trim().ToLowerInvariant());
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}
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}
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}
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