feat(sdk/eip1193): add switch chain handler

Author: gregfromstl

packages/thirdweb/src/adapters/eip1193/from-eip1193.ts

@@ -9,6 +9,7 @@ import type { Account, Wallet } from "../../wallets/interfaces/wallet.js";
 import { createWalletEmitter } from "../../wallets/wallet-emitter.js";
 import type { WalletId } from "../../wallets/wallet-types.js";
 import type { EIP1193Provider } from "./types.js";
+import * as ox__Hex from "ox/Hex";
 
 export type FromEip1193AdapterOptions = {
   provider: EIP1193Provider | (() => Promise<EIP1193Provider>);
@@ -54,7 +55,7 @@ export function fromProvider(options: FromEip1193AdapterOptions): Wallet {
     chain = undefined;
   }
 
-  let handleDisconnect = async () => {};
+  let handleDisconnect = async () => { };
 
   const unsubscribeDisconnect = emitter.subscribe("disconnect", () => {
     reset();
@@ -66,8 +67,11 @@ export function fromProvider(options: FromEip1193AdapterOptions): Wallet {
     account = _account;
   });
 
-  let handleSwitchChain: (chain: Chain) => Promise<void> = async () => {
-    throw new Error("Not implemented");
+  let handleSwitchChain: (c: Chain) => Promise<void> = async (c) => {
+    await provider?.request({
+      method: "wallet_switchEthereumChain",
+      params: [{ chainId: ox__Hex.fromNumber(c.id) }],
+    });
   };
 
   return {