Add utility functions for wallet and event

handling

contracts/src/bridge/frontend/src/lib/utils/walletEvents.ts

@@ -0,0 +1,27 @@
+import { ethers } from "ethers";
+
+export const setupEventListeners = (
+  provider: any,
+  setAddress: (address: string) => void
+) => {
+  const handleAccountsChange = (accounts: string[]) => {
+    setAddress(accounts[0]);
+    localStorage.setItem("walletAddress", accounts[0]);
+  };
+
+  const handleChainChange = () => {
+    window.location.reload();
+  };
+
+  provider.on("accountsChanged", handleAccountsChange);
+  provider.on("chainChanged", handleChainChange);
+
+  return () => {
+    provider.removeListener("accountsChanged", handleAccountsChange);
+    provider.removeListener("chainChanged", handleChainChange);
+  };
+};
+
+export const initializeSigner = (provider: any) => {
+  return new ethers.providers.Web3Provider(provider).getSigner();
+};

contracts/src/bridge/frontend/src/lib/utils/walletUtils.ts

@@ -0,0 +1,37 @@
+import detectEthereumProvider from "@metamask/detect-provider";
+import { ToastType, WalletNetwork } from "../../types";
+import { requestMethods } from "../../routes";
+import { toast } from "@/src/components/ui/use-toast";
+
+export const getEthereumProvider = async () => {
+  const provider = await detectEthereumProvider();
+  console.log("🚀 ~ getEthereumProvider ~ provider:", provider);
+  if (!provider) {
+    throw new Error("No Ethereum provider detected");
+  }
+  return provider;
+};
+
+export const switchNetwork = async (
+  provider: any,
+  desiredNetwork: WalletNetwork
+) => {
+  if (!provider) {
+    toast({
+      title: "Error",
+      description: "Please connect to wallet first",
+      variant: ToastType.DESTRUCTIVE,
+    });
+    return;
+  }
+  await provider.request({
+    method: requestMethods.switchNetwork,
+    params: [{ chainId: desiredNetwork }],
+  });
+};
+
+export const handleStorage = {
+  save: (key: string, value: string) => localStorage.setItem(key, value),
+  get: (key: string) => localStorage.getItem(key),
+  remove: (key: string) => localStorage.removeItem(key),
+};