Update simulation_engine/virtual_exchange.py

simulation_engine/virtual_exchange.py

@@ -1,5 +1,5 @@
 # simulation_engine/virtual_exchange.py
-# Soft close at ~1h if >= breakeven, hard close by ~2h. Single-position respected.
+# V2.0 — Single-position engine with cooldown and soft/hard time-stops (≈1h / 2h)
 
 from datetime import datetime
 import uuid
@@ -9,15 +9,15 @@ class VirtualExchange:
         self,
         initial_balance=10.0,
         fee_rate=0.001,
-        tp_pct=1.2,
+        tp_pct=1.6,
         sl_pct=0.8,
         bar_ms=300_000,            # 5m
-        cooldown_bars=3,
+        cooldown_bars=1,
         min_trade_usd=0.10,
-        position_fraction=0.50,
+        position_fraction=0.45,
         max_concurrent=1,
-        soft_time_stop_bars=12,    # ≈ 1h عند 5m
-        hard_time_stop_bars=24,    # ≈ 2h عند 5m
+        soft_time_stop_bars=12,    # ~1h at 5m
+        hard_time_stop_bars=24,    # ~2h at 5m
     ):
         self.initial_balance = float(initial_balance)
         self.balance = float(initial_balance)
@@ -92,11 +92,9 @@ class VirtualExchange:
             else:
                 # 2) Time-based exits: soft then hard
                 if self.soft_time_stop_bars and age_bars >= self.soft_time_stop_bars:
-                    # Soft rule: close at breakeven-or-better around 1h
                     if current_price >= entry:
                         closed_trade = self._close(symbol, current_price, timestamp, "SOFT_TIME_STOP")
                 if not closed_trade and self.hard_time_stop_bars and age_bars >= self.hard_time_stop_bars:
-                    # Hard rule: force close by ~2h
                     closed_trade = self._close(symbol, current_price, timestamp, "HARD_TIME_STOP")
 
             if closed_trade:
@@ -183,7 +181,7 @@ class VirtualExchange:
         current_dd = (self.metrics["peak_balance"] - self.balance) / max(self.metrics["peak_balance"], 1e-9)
         self.metrics["max_drawdown"] = max(self.metrics["max_drawdown"], current_dd)
 
-        # apply per-symbol cooldown
+        # تبريد لكل رمز
         if self.cooldown_bars and self.bar_ms:
             self.cooldowns[symbol] = timestamp + self.cooldown_bars * self.bar_ms
         else: