From 496c2f5c5dcffcd0c6e47d32f11849aaea4b19dd Mon Sep 17 00:00:00 2001
From: "frankind.eth" <faguzzi3@gmail.com>
Date: Tue, 19 Mar 2024 12:16:00 -0300
Subject: [PATCH] fix: add fallback rpc url

---
 lib/client/constants.ts     | 2 ++
 lib/wallet/wallet-config.ts | 7 +++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/client/constants.ts b/lib/client/constants.ts
index 64613a31..30526369 100644
--- a/lib/client/constants.ts
+++ b/lib/client/constants.ts
@@ -148,6 +148,8 @@ export const getAPIKeyForNetwork: Map<number, string | undefined> = new Map([
   [ChainInfo.MUMBAI.id, process.env.NEXT_PUBLIC_ALCHEMY_MUMBAI_KEY],
 ]);
 
+export const ALCHEMY_PUBLIC_RPC = "https://eth-mainnet.g.alchemy.com/v2/demo";
+
 export const getCurrentNetworkHttpUrl = (chainId: number) => {
   const httpUrl = getRpcHttpUrlForNetwork.get(chainId);
 
diff --git a/lib/wallet/wallet-config.ts b/lib/wallet/wallet-config.ts
index 3c45b12d..f34d9b05 100644
--- a/lib/wallet/wallet-config.ts
+++ b/lib/wallet/wallet-config.ts
@@ -1,4 +1,7 @@
-import { getCurrentNetworkHttpUrl } from "../client/constants";
+import {
+  ALCHEMY_PUBLIC_RPC,
+  getCurrentNetworkHttpUrl,
+} from "../client/constants";
 import { sepolia } from "@wagmi/core/chains";
 import { configureChains, createConfig } from "wagmi";
 import {
@@ -17,7 +20,7 @@ export const { chains, webSocketPublicClient, publicClient } = configureChains(
   [
     jsonRpcProvider({
       rpc: (chain) => ({
-        http: getCurrentNetworkHttpUrl(chain.id),
+        http: getCurrentNetworkHttpUrl(chain.id) || ALCHEMY_PUBLIC_RPC,
       }),
     }),
   ],