Fix market orders for HIP-3 DEXs (#225)

Author: traderben

hyperliquid/exchange.py

@@ -91,7 +91,8 @@ def _slippage_price(
         coin = self.info.name_to_coin[name]
         if not px:
             # Get midprice
-            px = float(self.info.all_mids()[coin])
+            dex = coin.split(":")[0] if ":" in coin else ""
+            px = float(self.info.all_mids(dex)[coin])
 
         asset = self.info.coin_to_asset[coin]
         # spot assets start at 10000

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "hyperliquid-python-sdk"
-version = "0.20.0"
+version = "0.20.1"
 description = "SDK for Hyperliquid API trading with Python."
 readme = "README.md"
 authors = ["Hyperliquid <[email protected]>"]