core/v2.0.8: [fix] - Check Before ENS Lookup (#871)

* Add check for chain for rpcUrl requests

* Increment version

Author: lnbc1QWFyb24

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@web3-onboard/core",
-  "version": "2.0.7",
+  "version": "2.0.8",
   "scripts": {
     "build": "rollup -c",
     "dev": "rollup -c -w",

packages/core/src/provider.ts

@@ -228,6 +228,9 @@ export async function getEns(
   address: Address,
   chain: Chain
 ): Promise<Ens | null> {
+  // chain we don't recognize and don't have a rpcUrl for requests
+  if (!chain) return null
+
   if (!ethersProviders[chain.rpcUrl]) {
     ethersProviders[chain.rpcUrl] = new providers.StaticJsonRpcProvider(
       chain.rpcUrl
@@ -271,7 +274,7 @@ export async function getBalance(
   address: string,
   chain: Chain
 ): Promise<Balances | null> {
-  // chain we don't recognize
+  // chain we don't recognize and don't have a rpcUrl for requests
   if (!chain) return null
 
   if (!ethersProviders[chain.rpcUrl]) {