模拟盘无 API Key 时复盘K线改为优先走 OKX 公开行情接口。

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_okx_public_ohlcv_mapping.py

@@ -0,0 +1,40 @@
+"""OKX 公开 K 线小测(无网络):instId / bar 映射."""
+from __future__ import annotations
+
+import unittest
+
+
+class OkxPublicOhlcvMappingTests(unittest.TestCase):
+    def test_swap_inst_and_bar(self):
+        # 避免 import 整站 app:直接复刻映射逻辑做契约校验
+        def swap_inst(exchange_symbol: str) -> str:
+            sym = str(exchange_symbol or "").strip().upper()
+            if not sym:
+                return ""
+            if "/" in sym:
+                base, rest = sym.split("/", 1)
+                quote = rest.split(":", 1)[0].strip() or "USDT"
+                return f"{base.strip()}-{quote}-SWAP"
+            if sym.endswith("-SWAP"):
+                return sym
+            return sym
+
+        def public_bar(timeframe: str) -> str:
+            low = str(timeframe or "").strip().lower()
+            if low.endswith("m") and low[:-1].isdigit():
+                return low
+            if low.endswith("h") and low[:-1].isdigit():
+                return f"{low[:-1]}H"
+            if low.endswith("d") and low[:-1].isdigit():
+                return f"{low[:-1]}D"
+            return low or "15m"
+
+        self.assertEqual(swap_inst("ETH/USDT:USDT"), "ETH-USDT-SWAP")
+        self.assertEqual(swap_inst("BTC/USDT:USDT"), "BTC-USDT-SWAP")
+        self.assertEqual(public_bar("15m"), "15m")
+        self.assertEqual(public_bar("1h"), "1H")
+        self.assertEqual(public_bar("4h"), "4H")
+
+
+if __name__ == "__main__":
+    unittest.main()