Initial PlayBull release with Trilogy Hub integration.

Includes homelab deploy tooling, image position/zoom manifest persistence, and full trading/casino stack. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-02 08:31:36 +02:00
commit 94b6cc3be9
60 changed files with 9206 additions and 0 deletions
--- a/server/trading.js
+++ b/server/trading.js
@@ -0,0 +1,98 @@
+import { Users, Holdings, Trades } from './db.js';
+import { getAsset } from './market.js';
+
+// Position-Netting: kombiniert bestehende Position mit neuem Trade.
+function applyPosition(q0, a0, delta, price) {
+  if (q0 === 0 || Math.sign(q0) === Math.sign(delta)) {
+    const newQ = q0 + delta;
+    const newA = (Math.abs(q0) * a0 + Math.abs(delta) * price) / (Math.abs(q0) + Math.abs(delta));
+    return { q: newQ, a: newA };
+  }
+  // Gegenrichtung
+  if (Math.abs(delta) < Math.abs(q0)) return { q: q0 + delta, a: a0 };
+  if (Math.abs(delta) === Math.abs(q0)) return { q: 0, a: 0 };
+  return { q: q0 + delta, a: price }; // Flip
+}
+
+/**
+ * side: 'buy' | 'sell'. qty > 0. 'sell' kann Short eroeffnen.
+ */
+export function executeTrade(userId, symbol, side, qty) {
+  const asset = getAsset(symbol);
+  if (!asset) return { ok: false, error: 'Unbekanntes Symbol' };
+  if (asset.halted) return { ok: false, error: `${symbol} ist pausiert (halted)` };
+  qty = Number(qty);
+  if (!(qty > 0)) return { ok: false, error: 'Menge muss > 0 sein' };
+
+  const user = Users.byId(userId);
+  if (!user) return { ok: false, error: 'User nicht gefunden' };
+
+  const price = asset.price;
+  const notional = qty * price;
+  const delta = side === 'buy' ? qty : -qty;
+
+  const h = Holdings.get(userId, symbol) || { quantity: 0, avg_price: 0 };
+
+  let newBalance;
+  if (side === 'buy') {
+    if (user.balance < notional) return { ok: false, error: 'Nicht genug Guthaben' };
+    newBalance = user.balance - notional;
+  } else {
+    // Verkauf bringt Cash. Short-Eroeffnung erlaubt, aber Sicherheit pruefen.
+    const result = applyPosition(h.quantity, h.avg_price, delta, price);
+    if (result.q < 0 && user.balance < Math.abs(result.q) * price * 0.5) {
+      return { ok: false, error: 'Nicht genug Sicherheit fuer Short (50% Margin)' };
+    }
+    newBalance = user.balance + notional;
+  }
+
+  const pos = applyPosition(h.quantity, h.avg_price, delta, price);
+  Users.setBalance(userId, newBalance);
+  if (Math.abs(pos.q) < 1e-9) Holdings.remove(userId, symbol);
+  else Holdings.upsert(userId, symbol, pos.q, pos.a);
+  Trades.add(userId, symbol, side, qty, price);
+
+  return {
+    ok: true,
+    symbol, side, qty, price: round(price),
+    balance: round(newBalance),
+    position: { quantity: round(pos.q, 6), avgPrice: round(pos.a) },
+  };
+}
+
+export function getPortfolio(userId) {
+  const user = Users.byId(userId);
+  if (!user) return null;
+  const holdings = Holdings.forUser(userId).map(h => {
+    const a = getAsset(h.symbol);
+    const price = a ? a.price : h.avg_price;
+    const value = h.quantity * price;
+    const cost = h.quantity * h.avg_price;
+    const pnl = value - cost; // funktioniert fuer Long & Short
+    const pnlPct = cost !== 0 ? (pnl / Math.abs(cost)) * 100 : 0;
+    return {
+      symbol: h.symbol,
+      name: a?.name || h.symbol,
+      emoji: a?.emoji || '',
+      quantity: round(h.quantity, 6),
+      avgPrice: round(h.avg_price),
+      price: round(price),
+      value: round(value),
+      pnl: round(pnl),
+      pnlPct: round(pnlPct, 2),
+      side: h.quantity >= 0 ? 'long' : 'short',
+    };
+  });
+  const holdingsValue = holdings.reduce((s, h) => s + h.value, 0);
+  return {
+    balance: round(user.balance),
+    holdingsValue: round(holdingsValue),
+    netWorth: round(user.balance + holdingsValue),
+    holdings,
+  };
+}
+
+function round(n, d = 2) {
+  const f = Math.pow(10, d);
+  return Math.round(n * f) / f;
+}