Stage 03.1 - mock exchange integration

app/src/integrations/exchange/mock_data.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+from src.integrations.exchange.models import BalanceSummary, ExchangeHealth, TickerPrice
+
+
+def mock_exchange_health() -> ExchangeHealth:
+    return ExchangeHealth(
+        ok=True,
+        mode="mock",
+        message="Биржа работает в mock mode. Реальный API пока не подключен.",
+    )
+
+
+def mock_ticker_price(symbol: str) -> TickerPrice:
+    symbol = symbol.upper().strip()
+    fake_prices = {
+        "BTCUSDT": 68425.10,
+        "ETHUSDT": 3521.44,
+        "BNBUSDT": 612.33,
+    }
+    price = fake_prices.get(symbol, 100.00)
+    updated_at = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S UTC")
+    return TickerPrice(
+        symbol=symbol,
+        price=price,
+        source="mock",
+        updated_at=updated_at,
+    )
+
+
+def mock_balance_summary() -> list[BalanceSummary]:
+    return [
+        BalanceSummary(currency="USDT", available=1500.00, locked=0.0, source="mock"),
+        BalanceSummary(currency="BTC", available=0.025, locked=0.0, source="mock"),
+    ]