123 lines
3.3 KiB
TypeScript
123 lines
3.3 KiB
TypeScript
import { Box, useToast } from "@chakra-ui/react";
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import AuthClient, { generateNonce } from "@walletconnect/auth-client";
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import { Web3Modal } from "@web3modal/standalone";
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import type { NextPage } from "next";
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import { useCallback, useEffect, useState } from "react";
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import DefaultView from "../views/DefaultView";
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import SignedInView from "../views/SignedInView";
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// 1. Get projectID at https://cloud.walletconnect.com
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const projectId = process.env.NEXT_PUBLIC_PROJECT_ID;
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if (!projectId) {
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throw new Error("You need to provide NEXT_PUBLIC_PROJECT_ID env variable");
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}
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// 2. Configure web3Modal
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const web3Modal = new Web3Modal({
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projectId,
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walletConnectVersion: 2,
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});
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const Home: NextPage = () => {
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const [client, setClient] = useState<AuthClient | null>();
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const [hasInitialized, setHasInitialized] = useState(false);
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const [uri, setUri] = useState<string>("");
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const [address, setAddress] = useState<string>("");
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const toast = useToast();
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const onSignIn = useCallback(() => {
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if (!client) return;
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client
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.request({
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aud: window.location.href,
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domain: window.location.hostname.split(".").slice(-2).join("."),
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chainId: "eip155:1",
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type: "eip4361",
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nonce: generateNonce(),
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statement: "Sign in with wallet.",
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})
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.then(({ uri }) => {
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if (uri) {
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setUri(uri);
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}
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});
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}, [client, setUri]);
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useEffect(() => {
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AuthClient.init({
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relayUrl:
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process.env.NEXT_PUBLIC_RELAY_URL || "wss://relay.walletconnect.com",
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projectId: process.env.NEXT_PUBLIC_PROJECT_ID!,
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metadata: {
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name: "react-dapp-auth",
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description: "React Example Dapp for Auth",
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url: window.location.host,
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icons: [],
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},
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})
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.then((authClient) => {
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setClient(authClient);
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setHasInitialized(true);
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})
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.catch(console.error);
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}, []);
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useEffect(() => {
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if (!client) return;
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client.on("auth_response", ({ params }) => {
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if ("code" in params) {
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console.error(params);
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return web3Modal.closeModal();
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}
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if ("error" in params) {
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console.error(params.error);
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if ("message" in params.error) {
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toast({
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status: "error",
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title: params.error.message,
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});
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}
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return web3Modal.closeModal();
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}
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toast({
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status: "success",
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title: "Auth request successfully approved",
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colorScheme: "whatsapp",
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});
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setAddress(params.result.p.iss.split(":")[4]);
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});
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}, [client, toast]);
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const [view, changeView] = useState<"default" | "qr" | "signedIn">("default");
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useEffect(() => {
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async function handleOpenModal() {
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if (uri) {
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await web3Modal.openModal({
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uri,
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standaloneChains: ["eip155:1"],
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});
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}
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}
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handleOpenModal();
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}, [uri]);
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useEffect(() => {
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if (address) {
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web3Modal.closeModal();
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changeView("signedIn");
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}
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}, [address, changeView]);
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return (
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<Box width="100%" height="100%">
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{view === "default" && (
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<DefaultView onClick={onSignIn} hasInitialized={hasInitialized} />
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)}
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{view === "signedIn" && <SignedInView address={address} />}
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</Box>
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);
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};
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export default Home;
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