feat: add market data architecture and complete migration through build 039

app/tools/dzengi_probe/config.py

@@ -0,0 +1,49 @@
+# app/tools/dzengi_probe/config.py
+
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+
+@dataclass(frozen=True)
+class DzengiProbeConfig:
+    base_url: str
+    ws_url: str
+    api_version: str
+    symbol: str
+    symbol_file_name: str
+    interval: str
+    depth_limit: str
+    agg_trades_limit: str
+    timeout_seconds: float
+    output_dir: Path
+
+
+def load_config() -> DzengiProbeConfig:
+    load_dotenv("app/.env")
+
+    base_url = os.getenv("EXCHANGE_BASE_URL", "").rstrip("/")
+    ws_url = os.getenv("EXCHANGE_WS_URL", "").rstrip("/")
+
+    if not base_url:
+        raise RuntimeError("EXCHANGE_BASE_URL is empty.")
+
+    symbol = os.getenv("PROBE_SYMBOL", "BTC/USD_LEVERAGE")
+    symbol_file_name = symbol.replace("/", "_")
+
+    return DzengiProbeConfig(
+        base_url=base_url,
+        ws_url=ws_url,
+        api_version=os.getenv("PROBE_API_VERSION", "v1"),
+        symbol=symbol,
+        symbol_file_name=symbol_file_name,
+        interval=os.getenv("PROBE_KLINE_INTERVAL", "1m"),
+        depth_limit=os.getenv("PROBE_DEPTH_LIMIT", "20"),
+        agg_trades_limit=os.getenv("PROBE_AGG_TRADES_LIMIT", "20"),
+        timeout_seconds=float(os.getenv("EXCHANGE_TIMEOUT_SEC", "10")),
+        output_dir=Path("app/tools/dzengi_probe/runtime_samples"),
+    )