Remove RPC URL from frontend

Author: alex-grover

src/components/Web3Provider.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import { chain, rpcUrl } from '@/lib/chain'
+import { chain } from '@/lib/chain'
 import { env } from '@/lib/env'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { track } from '@vercel/analytics/react'
@@ -12,7 +12,7 @@ const config = createConfig(
   getDefaultConfig({
     chains: [chain],
     transports: {
-      [chain.id]: http(rpcUrl),
+      [chain.id]: http(),
     },
     walletConnectProjectId: env.NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID,
     appName: 'RGB',

src/lib/chain.ts

@@ -4,9 +4,4 @@ import { env } from './env'
 export const chain =
   env.NEXT_PUBLIC_VERCEL_ENV === 'production' ? base : baseSepolia
 
-export const rpcUrl =
-  chain === base
-    ? `https://base-mainnet.g.alchemy.com/v2/${env.NEXT_PUBLIC_ALCHEMY_ID}`
-    : `https://base-sepolia.g.alchemy.com/v2/${env.NEXT_PUBLIC_ALCHEMY_ID}`
-
 export const fromBlock = chain === base ? 23491824n : 18714943n

src/lib/env.ts

@@ -1,13 +1,11 @@
 import * as v from 'valibot'
 
 const schema = v.object({
-  NEXT_PUBLIC_ALCHEMY_ID: v.pipe(v.string(), v.nonEmpty()),
   NEXT_PUBLIC_VERCEL_ENV: v.picklist(['production', 'preview', 'development']),
   NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID: v.pipe(v.string(), v.nonEmpty()),
 })
 
 const parseResult = v.safeParse(schema, {
-  NEXT_PUBLIC_ALCHEMY_ID: process.env.NEXT_PUBLIC_ALCHEMY_ID,
   NEXT_PUBLIC_VERCEL_ENV: process.env.NEXT_PUBLIC_VERCEL_ENV,
   NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID:
     process.env.NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID,

src/lib/viem.ts

@@ -1,5 +1,11 @@
 import { http, createPublicClient } from 'viem'
-import { chain, rpcUrl } from './chain'
+import { base } from 'viem/chains'
+import { chain } from './chain'
+
+const rpcUrl =
+  chain === base
+    ? `https://base-mainnet.g.alchemy.com/v2/${process.env.ALCHEMY_ID}`
+    : `https://base-sepolia.g.alchemy.com/v2/${process.env.ALCHEMY_ID}`
 
 export const viemClient = createPublicClient({
   chain,