order page updates

src/blockchain/token.js

@@ -7,7 +7,12 @@ import {metadata, metadataMap} from "@/version.js";
 
 // synchronous version may return null but will trigger a lookup
 export function token(chainId, addr) {
-    const found = metadataMap[chainId][addr]
+    const chainMd = metadataMap[chainId];
+    if (chainMd===undefined) {
+        console.warn('no metadata for chain', chainId)
+        return null
+    }
+    const found = chainMd[addr]
     return found ? found : null
 }