From 81ca2e7c32d180d846b5c930540c3190b1cb9b26 Mon Sep 17 00:00:00 2001
From: bigeez <joelgabby0@gmail.com>
Date: Sat, 4 Apr 2026 02:04:46 +0100
Subject: [PATCH] fix: search_token returns None for chainless queries due to
 incorrect guard placement

---
 onchain/tokens/metadata.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/onchain/tokens/metadata.py b/onchain/tokens/metadata.py
index 32db697..3e98d21 100644
--- a/onchain/tokens/metadata.py
+++ b/onchain/tokens/metadata.py
@@ -175,9 +175,9 @@ async def _search_token_on_dexscreener(
 
                 # Filter by chain if specified
                 if chain:
-                    pairs = [pair for pair in pairs if pair["chainId"] == chain]
-                if len(pairs) == 0:
-                    return None
+        chain = chain.lower()
+        if chain not in SUPPORTED_CHAINS:
+            return None
 
                 token_address = pairs[0]["baseToken"]["address"]
                 token_chain = pairs[0]["chainId"]