major refactoring adding and finishing xstate signin flow

This commit is contained in:
Samuel Andert 2023-09-01 17:38:22 +02:00
parent 24b83ec99e
commit 293180c2b5
11 changed files with 107 additions and 484 deletions

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@ -35,6 +35,7 @@
"dependencies": {
"@graphql-tools/graphql-file-loader": "^8.0.0",
"@graphql-tools/load": "^8.0.0",
"@iconify/icons-ion": "^1.2.10",
"@iconify/svelte": "^3.1.4",
"@lit-protocol/auth-helpers": "^2.2.50",
"@lit-protocol/constants": "^2.2.50",

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@ -7,6 +7,9 @@ dependencies:
'@graphql-tools/load':
specifier: ^8.0.0
version: 8.0.0(graphql@16.8.0)
'@iconify/icons-ion':
specifier: ^1.2.10
version: 1.2.10
'@iconify/svelte':
specifier: ^3.1.4
version: 3.1.4(svelte@3.54.0)
@ -2611,6 +2614,12 @@ packages:
dependencies:
'@hapi/hoek': 9.3.0
/@iconify/icons-ion@1.2.10:
resolution: {integrity: sha512-8vd2gihc8fkugNH+bqnNpgAbXJl2AyTiGRgpDG/ELDUyscvUefEE/kW7uz6NnPUYH293vR+tdiruLIgvVsQfNA==}
dependencies:
'@iconify/types': 2.0.0
dev: false
/@iconify/svelte@3.1.4(svelte@3.54.0):
resolution: {integrity: sha512-YDwQlN46ka8KPRayDb7TivmkAPizfTXi6BSRNqa1IV0+byA907n8JcgQafA7FD//pW5XCuuAhVx6uRbKTo+CfA==}
peerDependencies:

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@ -1,125 +0,0 @@
<script lang="ts">
import { onMount } from "svelte";
import {
isSignInRedirect,
getProviderFromUrl,
} from "@lit-protocol/lit-auth-client";
import type { IRelayPKP } from "@lit-protocol/types";
import Icon from "@iconify/svelte";
import { mintPkp } from "./mintPkp";
import { createLitSession } from "./createLitSession";
import { connectProvider } from "./setupLit";
const redirectUri = "http://localhost:3000/";
let sessionSigs = null;
let currentPKP, authMethod, provider;
let status = "Initializing...";
let pkps: IRelayPKP[] = [];
let view = "SIGN_IN";
onMount(async () => {
initialize();
const storedSession = localStorage.getItem("google-session");
const storedPKP = localStorage.getItem("current-pkp");
if (storedSession != null) {
sessionSigs = JSON.parse(storedSession);
currentPKP = JSON.parse(storedPKP);
view = "READY";
} else {
view = "SIGN_IN";
}
});
async function initialize() {
status = "Connecting to Google provider...";
try {
provider = await connectProvider();
status = "Connected to Google provider.";
if (isSignInRedirect(redirectUri)) {
const providerName = getProviderFromUrl();
if (providerName) {
await handleRedirect(providerName);
}
}
} catch (err) {
console.log(err);
}
}
async function authWithGoogle() {
try {
if (!provider) {
provider = await connectProvider();
status = "Reconnected to Google provider.";
}
await provider.signIn();
status = "Signing in with Google...";
} catch (err) {
console.log(err);
}
}
async function handleRedirect(providerName: string) {
try {
if (!provider) throw new Error("Invalid provider.");
authMethod = await provider.authenticate();
status = "Authenticated successfully.";
pkps = await provider.fetchPKPsThroughRelayer(authMethod);
status = "Fetching your Google PKP...";
if (pkps.length === 0) {
status = "No PKPs found. Minting new PKP...";
await mint();
} else {
// Use the first PKP directly
await createSession(pkps[0]);
}
} catch (err) {
console.log(err);
}
}
async function mint() {
const newPKP: IRelayPKP = await mintPkp(provider, authMethod);
pkps = [...pkps, newPKP];
status = "New PKP minted.";
await createSession(newPKP);
}
async function createSession(pkp: IRelayPKP) {
try {
currentPKP = pkp; // Assign the selected PKP to currentPKP
createLitSession(provider, pkp.publicKey, authMethod).then((sigs) => {
sessionSigs = sigs;
// Store sessionSigs and currentPKP in localStorage
localStorage.setItem("google-session", JSON.stringify(sessionSigs));
localStorage.setItem("current-pkp", JSON.stringify(currentPKP));
});
status = "Session created successfully.";
view = "SIGN_IN";
} catch (err) {
console.log(err);
}
}
</script>
<div class="flex items-center justify-center h-screen">
<div>
{#if view === "SIGN_IN"}
<button on:click={authWithGoogle} class="btn variant-filled">
<span><Icon icon="flat-color-icons:google" /></span>
<span>Sign in with Google</span>
</button>
{/if}
{#if view === "READY"}
<div>
<h3>Your PKP Address:</h3>
<p>{currentPKP.ethAddress}</p>
</div>
{/if}
<div class="mt-4 text-center">
<p>{status}</p>
</div>
</div>
</div>

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@ -1,118 +0,0 @@
<script lang="ts">
import { onMount } from "svelte";
import {
isSignInRedirect,
getProviderFromUrl,
} from "@lit-protocol/lit-auth-client";
import type { IRelayPKP } from "@lit-protocol/types";
import Icon from "@iconify/svelte";
import { createLitSession } from "./createLitSession";
import { connectProvider } from "./setupLit";
import { googleSession } from "./stores";
const redirectUri = "http://localhost:3000/";
let authMethod, provider;
let status = "Initializing...";
let pkps: IRelayPKP[] = [];
onMount(async () => {
initialize();
});
async function initialize() {
status = "Connecting to Google provider...";
try {
provider = await connectProvider();
status = "Connected to Google provider.";
if (isSignInRedirect(redirectUri)) {
const providerName = getProviderFromUrl();
if (providerName) {
await handleRedirect(providerName);
}
}
} catch (err) {
console.log(err);
}
}
async function authWithGoogle() {
try {
if (!provider) {
provider = await connectProvider();
status = "Reconnected to Google provider.";
}
await provider.signIn();
status = "Signing in with Google...";
} catch (err) {
console.log(err);
}
}
async function handleRedirect(providerName: string) {
try {
if (!provider) throw new Error("Invalid provider.");
authMethod = await provider.authenticate();
status = "Authenticated successfully.";
pkps = await provider.fetchPKPsThroughRelayer(authMethod);
status = "Fetching your Google PKP...";
if (pkps.length === 0) {
status = "No PKPs found. Minting new PKP...";
await mint();
} else {
// Use the first PKP directly
await createSession(pkps[0]);
}
} catch (err) {
console.log(err);
}
}
async function mint() {
const newPKP: IRelayPKP = await mintPkp(provider, authMethod);
pkps = [...pkps, newPKP];
status = "New PKP minted.";
await createSession(newPKP);
}
async function createSession(pkp: IRelayPKP) {
try {
const currentPKP = pkp; // Assign the selected PKP to currentPKP
const sessionSigs = await createLitSession(
provider,
pkp.publicKey,
authMethod
);
// Add the sessionSigs and PKP to localstorage
localStorage.setItem(
"myPKP",
JSON.stringify({
provider: "google",
pkp: currentPKP,
sessionSigs: sessionSigs,
})
);
status = "Session created successfully.";
} catch (err) {
console.log(err);
}
}
</script>
<div>
<div class="p-8 bg-white bg-opacity-75 rounded shadow-md">
<button
on:click={authWithGoogle}
class="w-full py-2 text-white bg-blue-500 rounded hover:bg-blue-700 flex items-center justify-center"
>
<span class="mr-2"><Icon icon="flat-color-icons:google" /></span>
<span>Sign in with Google</span>
</button>
</div>
<div class="px-4 bg-white bg-opacity-75 rounded shadow-md">
<div class="mt-4 text-center">
<p class="text-gray-600">{status}</p>
</div>
</div>
</div>

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@ -1,85 +0,0 @@
<script>
import { onMount } from "svelte";
import Icon from "@iconify/svelte";
import { googleSession } from "$lib/stores.js";
let myPKP;
onMount(() => {
myPKP = JSON.parse(localStorage.getItem("myPKP"));
if (myPKP) {
let parsedSigs = parseSessionSigs(myPKP.sessionSigs);
let active = parsedSigs.some((sig) => !sig.isExpired);
if (!active) {
clearSession();
googleSession.set({ activeSession: false });
} else {
googleSession.set({ activeSession: true });
}
}
});
$: {
if (myPKP) {
let parsedSigs = parseSessionSigs(myPKP.sessionSigs);
let active = parsedSigs.some((sig) => !sig.isExpired);
googleSession.set({ activeSession: true });
if (!active) {
clearSession();
googleSession.set({ activeSession: false });
} else {
googleSession.set({ activeSession: true });
}
}
}
function parseSessionSigs(jsonData) {
let sessionList = Object.values(jsonData).map((session) => {
let sessionData = JSON.parse(session.signedMessage);
let expirationDate = new Date(sessionData.expiration);
let isExpired = expirationDate < new Date();
return {
sig: session.sig,
expiration: expirationDate,
isExpired: isExpired,
};
});
return sessionList;
}
function clearSession() {
localStorage.removeItem("myPKP");
myPKP = null;
}
</script>
<!-- {#if myPKP}
<div
class="fixed bottom-0 left-0 right-0 p-3 bg-white bg-opacity-75 rounded-t-lg shadow-md flex flex-col items-center space-y-4"
>
<div class="w-full flex items-center justify-between space-x-4">
<div class="flex items-center space-x-2">
<Icon
icon="ic:baseline-account-circle"
class="text-gray-500 w-12 h-12"
/>
<div>
<p class="text-sm">
<span class="font-semibold">Address:</span>
{myPKP.pkp.ethAddress}
</p>
<p class="text-xs">
<span class="font-semibold">Provider:</span>
{myPKP.provider}
</p>
</div>
</div>
<button
on:click={clearSession}
class="py-1 px-2 text-white bg-red-500 rounded hover:bg-red-700"
>
Clear Session
</button>
</div>
</div>
{/if} -->

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@ -1,120 +0,0 @@
<!-- SignVerifyMessage.svelte -->
<script lang="ts">
import { ethers } from "ethers";
import { onMount } from "svelte";
import { signRequest, signedMessages } from "./stores.js";
let messageToSign = {};
let currentPKP;
let sessionSigs;
let status = "";
let litNodeClient;
let messageSignature;
onMount(async () => {
litNodeClient = new LitNodeClient({ litNetwork: "serrano" });
await litNodeClient.connect();
const sessionSigsLocalStorage = localStorage.getItem("google-session");
const currentPKPLocalStorage = localStorage.getItem("current-pkp");
if (sessionSigsLocalStorage && currentPKPLocalStorage) {
sessionSigs = JSON.parse(sessionSigsLocalStorage);
currentPKP = JSON.parse(currentPKPLocalStorage);
}
});
async function signMessageWithPKP() {
const userConfirmed = window.confirm(
"Do you want to sign the following message?\n\n" +
JSON.stringify(messageToSign, null, 2)
);
if (!userConfirmed) {
status = "User did not allow to sign the message.";
dispatch("status", status);
return;
}
try {
// Create a specific JSON object
const jsonString = JSON.stringify(messageToSign);
// Convert the JSON string to an array of character codes
const toSign = ethers.getBytes(ethers.hashMessage(jsonString));
const litActionCode = `
const go = async () => {
const sigShare = await LitActions.signEcdsa({ toSign, publicKey, sigName });
};
go();
`;
// Sign message
const results = await litNodeClient.executeJs({
code: litActionCode,
sessionSigs: sessionSigs,
jsParams: {
toSign: toSign,
publicKey: currentPKP.publicKey,
sigName: "sig1",
},
});
// Get signature
const result = results.signatures["sig1"];
messageSignature = ethers.Signature.from({
r: "0x" + result.r,
s: "0x" + result.s,
v: result.recid,
});
signedMessages.update((messages) => [
...messages,
{ json: messageToSign, signature: messageSignature },
]);
// verify();
} catch (err) {
console.error(err);
}
}
async function verify() {
const response = await fetch("/api/verify", {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
messageToSign,
messageSignature,
currentPKP,
}),
});
if (!response.ok) {
alert("verify failed");
} else {
let json = await response.json();
alert(json.verified ? "Signature valid" : "! Signature NOT valid !");
}
}
signRequest.subscribe(({ json }) => {
if (messageToSign && Object.keys(json).length > 0) {
signRequest.set({ json: {} });
messageToSign = json;
signMessageWithPKP(json);
}
});
</script>
{#if status}
<div class="mt-4 text-center">
<p>Status: {status}</p>
</div>
{/if}
{#if messageSignature}
<div class="mt-4 text-center">
<p>Signature</p>
<pre>{JSON.stringify(messageSignature)}</pre>
</div>
<button on:click={verify}>Verify</button><br />
{/if}

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@ -2,8 +2,15 @@
import { useMachine } from "@xstate/svelte";
import walletMachine from "./machines/walletMachine";
import { onMount } from "svelte";
import Icon from "@iconify/svelte";
import {
signInWithGoogle,
startSignIn as startSignInService,
} from "./services/signInWithGoogle";
const { state, send } = useMachine(walletMachine);
$: {
if ($state.context.pkps && $state.context.sessionSigs) {
localStorage.setItem(
@ -21,38 +28,62 @@
send({ type: "RELOAD", ...me });
}
});
async function startSignIn() {
startSignInService.set(true);
await signInWithGoogle();
}
function clearSession() {
send("LOGOUT");
}
</script>
{#if $state.matches("creatingSession")}
<div class="bg-white p-10">
<p>Authenticated successfully. Selecting or minting PKP...</p>
</div>
{:else if $state.matches("sessionAvailable")}
<div class="bg-white p-10">
<p>Signed in successfully. Here is your PKP:</p>
<pre>{JSON.stringify($state.context.pkps[0].ethAddress, null, 2)}</pre>
<p>Session available. Here are your session signatures:</p>
<div class="flex flex-col">
{#each Object.keys($state.context.sessionSigs) as key}
<div class="flex items-center p-2 bg-white rounded shadow mb-2">
<div
class="w-4 h-4 mr-2 rounded-full"
class:bg-green-500={!$state.context.sessionSigs[key].expired}
class:bg-red-500={$state.context.sessionSigs[key].expired}
/>
<div class="flex-grow">
<p class="font-bold">{key}</p>
<p class="text-sm text-gray-500">
{$state.context.sessionSigs[key].sig}
{#if $state.matches("sessionAvailable") || $state.matches("creatingSession") || $state.matches("signIn")}
{#if $state.matches("signIn")}
<div class="w-1/3">
<button
on:click={startSignIn}
class="w-full py-2 text-white bg-blue-500 rounded hover:bg-blue-700 flex items-center justify-center"
>
<span class="mr-2"><Icon icon="flat-color-icons:google" /></span>
<span>Sign in with Google</span>
</button>
</div>
{:else if $state.context.pkps}
<div
class="fixed bottom-0 left-0 right-0 p-3 bg-white bg-opacity-75 rounded-t-lg shadow-md flex flex-col items-center space-y-4"
>
<div class="w-full flex items-center justify-between space-x-4">
<div class="flex items-center space-x-2">
<div>
<p class="text-sm">
<span class="font-semibold">Address:</span>
{$state.context.pkps[0].ethAddress}
</p>
<p class="text-xs">
<span class="font-semibold">Provider:</span>
{$state.context.providerName}
</p>
</div>
</div>
{/each}
<button
on:click={clearSession}
class="py-1 px-2 text-white bg-red-500 rounded hover:bg-red-700"
>
Logout
</button>
</div>
</div>
{:else if $state.matches("sessionExpired")}
<div class="bg-white p-10">
<p>Error creating session. Please try again.</p>
<pre>{JSON.stringify($state.context.error, null, 2)}</pre>
</div>
{/if}
{:else}
<div class="bg-white p-10 rounded-full">
<div class="bg-white rounded-full p-5 animate-spin">
<Icon icon="la:spinner" width="100" height="100" />
</div>
</div>
{:else if $state.matches("sessionExpired")}
<div class="bg-white p-10">
<p>Error creating session. Please try again.</p>
<pre>{JSON.stringify($state.context.error, null, 2)}</pre>
</div>
{/if}

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@ -2,6 +2,7 @@
import { createMachine, assign } from 'xstate';
import { signInWithGoogle } from '../services/signInWithGoogle';
import { createSession } from '../services/createSession';
import { goto } from '$app/navigation';
const walletMachine = createMachine({
id: 'wallet',
@ -11,7 +12,8 @@ const walletMachine = createMachine({
providerName: null,
authMethod: null,
pkps: [],
sessionSigs: null
sessionSigs: null,
redirect: false
},
states: {
signIn: {
@ -83,11 +85,26 @@ const walletMachine = createMachine({
on: {
EXPIRED: {
target: 'sessionExpired',
cond: (context) => context.sessionSigs === null
cond: (context) => context.sessionSigs && Object.values(context.sessionSigs).every(sig => sig.expired)
},
LOGOUT: 'sessionExpired'
}
},
sessionExpired: {
entry: assign({
sessionSigs: null,
redirect: true
}),
after: {
0: {
target: 'signIn',
actions: () => {
localStorage.removeItem('me');
window.location.href = '/';
}
}
}
},
sessionExpired: {}
},
}, {
services: {

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@ -1,23 +1,36 @@
// src/lib/services/signInWithGoogle.ts
import { connectProvider } from "$lib/setupLit";
import { isSignInRedirect, getProviderFromUrl } from "@lit-protocol/lit-auth-client";
import { writable } from 'svelte/store';
export let startSignIn = writable(false);
let providerName;
export const signInWithGoogle = async () => {
if (typeof window !== 'undefined') {
try {
let provider = await connectProvider();
if (isSignInRedirect("http://localhost:3000/")) {
const providerName = getProviderFromUrl();
providerName = getProviderFromUrl();
if (providerName) {
const authMethod = await provider.authenticate();
return { authMethod, provider, providerName }; // Return the data
return { authMethod, provider, providerName };
}
} else {
await provider.signIn();
let shouldStartSignIn = false;
startSignIn.subscribe(value => {
shouldStartSignIn = value;
});
if (!providerName && shouldStartSignIn) {
await provider.signIn();
}
}
} catch (err) {
console.error(err);
console.error('Error during sign-in:', err);
throw err;
} finally {
startSignIn.set(false);
}
} else {
throw new Error("Cannot sign in with Google in a non-browser environment.");

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@ -4,6 +4,8 @@ export const signRequest = writable({json: {}});
export const signedMessages = writable([])
export const redirectStore = writable(false);
export const googleSession = writable({
activeSession: false
});

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@ -7,8 +7,6 @@
import { onMount } from "svelte";
import { initChainProvider } from "$lib/setupChainProvider";
import { googleSession } from "$lib/stores.js";
import GooglePKP from "$lib/GooglePKP.svelte";
import GoogleSession from "$lib/GoogleSession.svelte";
import Wallet from "$lib/Wallet.svelte";
let activeSession = false;