fix: 增强输入验证以捕获 ValueError，更新 Hyperliquid API URL 逻辑

Author: jamiesun

main.py

@@ -455,7 +455,7 @@ async def set_take_profit_stop_loss(
             sl_px=stop_loss_price,
             position_size=position_size
         )
-    except ValidationError as e:
+    except (ValidationError, ValueError) as e:
         return {
             "success": False,
             "error": f"Invalid input: {str(e)}",
@@ -709,4 +709,4 @@ def stdio_server():
         print("\n3. Or create a .env file:")
         print("   HYPERLIQUID_PRIVATE_KEY=your_private_key")
         print("   HYPERLIQUID_TESTNET=false")
-        print("   HYPERLIQUID_ACCOUNT_ADDRESS=your_address")
+        print("   HYPERLIQUID_ACCOUNT_ADDRESS=your_address")

services/hyperliquid_services.py

@@ -4,7 +4,7 @@
 
 from hyperliquid.info import Info
 from hyperliquid.exchange import Exchange
-from hyperliquid.utils import constants
+from hyperliquid.utils import constants as hl_constants
 from hyperliquid.utils.types import Cloid
 from hyperliquid.utils.signing import (
     order_request_to_order_wire,
@@ -47,10 +47,10 @@ def __init__(self, private_key: str, testnet: bool = False, account_address: str
             self.logger.setLevel(logging.INFO)
 
         # Set up API URLs
-        if testnet:
-            self.base_url = "https://api.hyperliquid.xyz"
-        else:
-            self.base_url = "https://api.hyperliquid.xyz"
+        mainnet_url = getattr(hl_constants, "MAINNET_API_URL", "https://api.hyperliquid.xyz")
+        testnet_url = getattr(hl_constants, "TESTNET_API_URL", "https://api.hyperliquid.xyz")
+        self.base_url = testnet_url if testnet else mainnet_url
+        self.is_mainnet = not testnet
 
         # Initialize account address and wallet
         from eth_account import Account
@@ -111,7 +111,7 @@ def _bulk_orders_with_grouping(self, order_requests, grouping="na", builder=None
             self.exchange.vault_address,
             timestamp,
             expires_after,
-            self.exchange.base_url == constants.MAINNET_API_URL
+            self.is_mainnet
         )
 
         # Post the action