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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*

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# Getting Started with Create React App
This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
## Available Scripts
In the project directory, you can run:
### `yarn start`
Runs the app in the development mode.\
Open [http://localhost:3000](http://localhost:3000) to view it in your browser.
The page will reload when you make changes.\
You may also see any lint errors in the console.
### `yarn test`
Launches the test runner in the interactive watch mode.\
See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
### `yarn build`
Builds the app for production to the `build` folder.\
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes.\
Your app is ready to be deployed!
See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
### `yarn eject`
**Note: this is a one-way operation. Once you `eject`, you can't go back!**
If you aren't satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
You don't have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
## Learn More
You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
To learn React, check out the [React documentation](https://reactjs.org/).
### Code Splitting
This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
### Analyzing the Bundle Size
This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
### Making a Progressive Web App
This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
### Advanced Configuration
This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
### Deployment
This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
### `yarn build` fails to minify
This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

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{
"name": "nostr_ui",
"version": "0.1.0",
"private": true,
"dependencies": {
"@noble/secp256k1": "^1.7.0",
"@reduxjs/toolkit": "^1.9.1",
"bech32": "^2.0.0",
"moment": "^2.29.4",
"qr-code-styling": "^1.6.0-rc.1",
"react": "^18.2.0",
"react-dom": "^18.2.0",
"react-redux": "^8.0.5",
"react-router-dom": "^6.5.0",
"react-scripts": "5.0.1",
"uuid": "^9.0.0"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta
name="description"
content="Web site created using create-react-app"
/>
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

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{
"short_name": "React App",
"name": "Create React App Sample",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
},
{
"src": "logo192.png",
"type": "image/png",
"sizes": "192x192"
},
{
"src": "logo512.png",
"type": "image/png",
"sizes": "512x512"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:

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.note {
margin-bottom: 10px;
border-bottom: 1px solid #333;
}
.note > .header {
display: flex;
align-items: center;
}
.note > .header > img {
width: 40px;
height: 40px;
margin-right: 20px;
border-radius: 10px;
}
.note > .header > .name {
flex-grow: 1;
}
.note > .header > .name > .reply {
font-size: small;
}
.note > .header > .info {
font-size: small;
}
.note > .body {
padding: 10px 5px;
white-space: pre-wrap;
overflow: hidden;
word-break: normal;
}
.note > .header > img:hover, .note > .header > .name > .reply:hover, .note > .body:hover {
cursor: pointer;
}

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import "./Note.css";
import Event from "../nostr/Event";
import { useEffect, useState } from "react";
import { useSelector } from "react-redux";
import moment from "moment";
import { useNavigate } from "react-router-dom";
export default function Note(props) {
const navigate = useNavigate();
const data = props.data;
const [sig, setSig] = useState(false);
const user = useSelector(s => s.users?.users[data?.pubkey]);
const ev = Event.FromObject(data);
useEffect(() => {
if (sig === false) {
verifyEvent();
}
}, []);
async function verifyEvent() {
let res = await ev.Verify();
setSig(res);
}
function goToProfile(e, id) {
e.stopPropagation();
navigate(`/p/${id}`);
}
function goToEvent(e, id) {
e.stopPropagation();
navigate(`/e/${id}`);
}
function replyTag() {
let thread = ev.GetThread();
if (thread === null) {
return null;
}
let replyId = thread.ReplyTo.Event;
return (
<div className="reply" onClick={(e) => goToEvent(e, replyId)}>
➡️ {replyId.substring(0, 8)}
</div>
)
}
if(!ev.IsContent()) {
return <pre>Event: {ev.Id}</pre>;
}
return (
<div className="note">
<div className="header">
<img src={user?.picture} onClick={(e) => goToProfile(e, ev.PubKey)} />
<div className="name">
{user?.name ?? ev.PubKey.substring(0, 8)}
{replyTag()}
</div>
<div className="info">
{moment(ev.CreatedAt * 1000).fromNow()}
</div>
</div>
<div className="body" onClick={(e) => goToEvent(e, ev.Id)}>
{ev.Content}
</div>
</div>
)
}

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@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
body {
margin: 0;
font-family: 'Montserrat', sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
background-color: #000;
color: #fff;
}
code {
font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
monospace;
}
.page {
width: 720px;
margin-left: auto;
margin-right: auto;
}
.page > .header {
display: flex;
align-items: center;
margin: 10px 0;
}
.page > .header > div:nth-child(1) {
font-size: x-large;
flex-grow: 1;
}
.btn {
padding: 10px;
border-radius: 5px;
cursor: pointer;
user-select: none;
background-color: #000;
border: 1px solid;
}
.btn:hover {
background-color: #333;
}
input[type="text"] {
padding: 10px;
border-radius: 5px;
border: 0;
background-color: #333;
color: #eee;
}
.flex {
display: flex;
}
.f-grow {
flex-grow: 1;
}

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import './index.css';
import React from 'react';
import ReactDOM from 'react-dom/client';
import { Provider } from 'react-redux'
import {
BrowserRouter as Router,
Routes,
Route,
} from "react-router-dom";
import { NostrSystem } from './nostr/System';
import EventPage from './pages/EventPage';
import Layout from './pages/Layout';
import LoginPage from './pages/Login';
import ProfilePage from './pages/ProfilePage';
import RootPage from './pages/Root';
import Store from "./state/Store";
const System = new NostrSystem();
export const NostrContext = React.createContext();
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(
<React.StrictMode>
<NostrContext.Provider value={System}>
<Provider store={Store}>
<Router>
<Layout>
<Routes>
<Route path="/" exact element={<RootPage />} />
<Route path="/login" exact element={<LoginPage />} />
<Route path="/e/:id" exact element={<EventPage />} />
<Route path="/p/:id" exact element={<ProfilePage />} />
</Routes>
</Layout>
</Router>
</Provider>
</NostrContext.Provider>
</React.StrictMode>
);

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import { Subscriptions } from "./Subscriptions";
import Event from "./Event";
export default class Connection {
constructor(addr) {
this.Address = addr;
this.Socket = new WebSocket(addr);
this.Socket.onopen = (e) => this.OnOpen(e);
this.Socket.onmessage = (e) => this.OnMessage(e);
this.Socket.onerror = (e) => this.OnError(e);
this.Pending = [];
this.Subscriptions = {};
}
OnOpen(e) {
console.log(`Opened connection to: ${this.Address}`);
console.log(e);
// send pending
for (let p of this.Pending) {
this._SendJson(p);
}
}
OnMessage(e) {
let msg = JSON.parse(e.data);
let tag = msg[0];
switch (tag) {
case "EVENT": {
this._OnEvent(msg[1], msg[2]);
break;
}
case "EOSE": {
// ignored for now
break;
}
default: {
console.warn(`Unknown tag: ${tag}`);
break;
}
}
}
OnError(e) {
console.log(e);
}
SendEvent(e) {
let req = ["EVENT", e];
this._SendJson(req);
}
/**
* Subscribe to data from this connection
* @param {Subscriptions | Array<Subscriptions>} sub Subscriptions object
*/
AddSubscription(sub) {
let req = ["REQ", sub.Id, sub.ToObject()];
if(sub.OrSubs.length > 0) {
req = [
...req,
...sub.OrSubs.map(o => o.ToObject())
];
}
this._SendJson(req);
this.Subscriptions[sub.Id] = sub;
}
/**
* Remove a subscription
* @param {any} subId Subscription id to remove
*/
RemoveSubscription(subId) {
let req = ["CLOSE", subId];
this._SendJson(req);
delete this.Subscriptions[subId];
}
_SendJson(obj) {
if (this.Socket.readyState !== this.Socket.OPEN) {
this.Pending.push(obj);
return;
}
let json = JSON.stringify(obj);
console.debug(`[${this.Address}] >> ${json}`);
this.Socket.send(json);
}
_OnEvent(subId, ev) {
if (this.Subscriptions[subId]) {
this.Subscriptions[subId].OnEvent(ev);
} else {
console.warn("No subscription for event!");
}
}
}

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import * as secp from '@noble/secp256k1';
import EventKind from "./EventKind";
import Tag from './Tag';
import Thread from './Thread';
export default class Event {
constructor() {
/**
* Id of the event
* @type {string}
*/
this.Id = null;
/**
* Pub key of the creator
* @type {string}
*/
this.PubKey = null;
/**
* Timestamp when the event was created
* @type {number}
*/
this.CreatedAt = null;
/**
* The type of event
* @type {EventKind}
*/
this.Kind = null;
/**
* A list of metadata tags
* @type {Array<Tag>}
*/
this.Tags = [];
/**
* Content of the event
* @type {string}
*/
this.Content = null;
/**
* Signature of this event from the creator
* @type {string}
*/
this.Signature = null;
}
/**
* Sign this message with a private key
* @param {string} key Key to sign message with
*/
async Sign(key) {
this.Id = await this.CreateId();
let sig = await secp.schnorr.sign(this.Id, key);
this.Signature = secp.utils.bytesToHex(sig);
}
/**
* Check the signature of this message
* @returns True if valid signature
*/
async Verify() {
let id = await this.CreateId();
let result = await secp.schnorr.verify(this.Signature, id, this.PubKey);
return result;
}
async CreateId() {
let payload = [
0,
this.PubKey,
this.CreatedAt,
this.Kind,
this.Tags.map(a => a.ToObject()),
this.Content
];
let payloadData = new TextEncoder().encode(JSON.stringify(payload));
let data = await secp.utils.sha256(payloadData);
let hash = secp.utils.bytesToHex(data);
if(this.Id !== null && hash !== this.Id) {
console.debug(payload);
throw "ID doesnt match!";
}
return hash;
}
/**
* Get thread information
* @returns {Thread}
*/
GetThread() {
return Thread.ExtractThread(this);
}
/**
* Does this event have content
* @returns {boolean}
*/
IsContent() {
const ContentKinds = [
EventKind.TextNote
];
return ContentKinds.includes(this.Kind);
}
static FromObject(obj) {
if(typeof obj !== "object") {
return null;
}
let ret = new Event();
ret.Id = obj.id;
ret.PubKey = obj.pubkey;
ret.CreatedAt = obj.created_at;
ret.Kind = obj.kind;
ret.Tags = obj.tags.map(e => new Tag(e));
ret.Content = obj.content;
ret.Signature = obj.sig;
return ret;
}
ToObject() {
return {
id: this.Id,
pubkey: this.PubKey,
created_at: this.CreatedAt,
kind: this.Kind,
tags: this.Tags.map(a => a.ToObject()),
content: this.Content,
sig: this.Signature
};
}
}

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const EventKind = {
Unknown: -1,
SetMetadata: 0,
TextNote: 1,
RecommendServer: 2,
ContactList: 3, // NIP-02
DirectMessage: 4, // NIP-04
Reaction: 7 // NIP-25
};
export default EventKind;

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import { v4 as uuid } from "uuid";
export class Subscriptions {
constructor() {
/**
* A unique id for this subscription filter
*/
this.Id = uuid();
/**
* a list of event ids or prefixes
*/
this.Ids = new Set();
/**
* a list of pubkeys or prefixes, the pubkey of an event must be one of these
*/
this.Authors = new Set();
/**
* a list of a kind numbers
*/
this.Kinds = new Set();
/**
* a list of event ids that are referenced in an "e" tag
*/
this.ETags = new Set();
/**
* a list of pubkeys that are referenced in a "p" tag
*/
this.PTags = new Set();
/**
* a timestamp, events must be newer than this to pass
*/
this.Since = NaN;
/**
* a timestamp, events must be older than this to pass
*/
this.Until = NaN;
/**
* maximum number of events to be returned in the initial query
*/
this.Limit = NaN;
/**
* Handler function for this event
*/
this.OnEvent = (e) => { console.warn(`No event handler was set on subscription: ${this.Id}`) };
/**
* Collection of OR sub scriptions linked to this
*/
this.OrSubs = [];
}
/**
* Adds OR filter subscriptions
* @param {Subscriptions} sub Extra filters
*/
AddSubscription(sub) {
this.OrSubs.push(sub);
}
static FromObject(obj) {
let ret = new Subscriptions();
ret.Ids = new Set(obj.ids);
ret.Authors = new Set(obj.authors);
ret.Kinds = new Set(obj.kinds);
ret.ETags = new Set(obj["#e"]);
ret.PTags = new Set(obj["#p"]);
ret.Since = parseInt(obj.since);
ret.Until = parseInt(obj.until);
ret.Limit = parseInt(obj.limit);
return ret;
}
ToObject() {
let ret = {};
if (this.Ids.size > 0) {
ret.ids = Array.from(this.Ids);
}
if (this.Authors.size > 0) {
ret.authors = Array.from(this.Authors);
}
if (this.Kinds.size > 0) {
ret.kinds = Array.from(this.Kinds);
}
if (this.ETags.size > 0) {
ret["#e"] = Array.from(this.ETags);
}
if (this.PTags.size > 0) {
ret["#p"] = Array.from(this.PTags);
}
if (!isNaN(this.Since)) {
ret.since = this.Since;
}
if (!isNaN(this.Until)) {
ret.until = this.Until;
}
if (!isNaN(this.Limit)) {
ret.limit = this.Limit;
}
return ret;
}
}

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import { useSelector } from "react-redux";
import Connection from "./Connection";
/**
* Manages nostr content retrival system
*/
export class NostrSystem {
constructor() {
this.Sockets = {};
this.Subscriptions = {};
}
/**
* Connect to a NOSTR relay if not already connected
* @param {string} address
*/
ConnectToRelay(address) {
if(typeof this.Sockets[address] === "undefined") {
let c = new Connection(address);
for(let s of Object.values(this.Subscriptions)) {
c.AddSubscription(s);
}
this.Sockets[address] = c;
}
}
AddSubscription(sub) {
for(let s of Object.values(this.Sockets)) {
s.AddSubscription(sub);
}
this.Subscriptions[sub.Id] = sub;
}
RemoveSubscription(subId) {
for(let s of Object.values(this.Sockets)) {
s.RemoveSubscription(subId);
}
delete this.Subscriptions[subId];
}
BroadcastEvent(ev) {
for(let s of Object.values(this.Sockets)) {
s.SendEvent(ev);
}
}
}

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export default class Tag {
constructor(tag) {
this.Key = tag[0];
this.Event = null;
this.PubKey = null;
this.Relay = null;
this.Marker = null;
switch (this.Key) {
case "e": {
// ["e", <event-id>, <relay-url>, <marker>]
this.Event = tag[1];
this.Relay = tag.length > 2 ? tag[2] : null;
this.Marker = tag.length > 3 ? tag[3] : null;
break;
}
case "p": {
// ["p", <pubkey>]
this.PubKey = tag[1];
break;
}
}
}
ToObject() {
switch(this.Key) {
case "e": {
return ["e", this.Event, this.Relay, this.Marker].filter(a => a !== null);
}
case "p": {
return ["p", this.PubKey];
}
}
return null;
}
}

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import Event from "./Event";
export default class Thread {
constructor() {
this.Root = null;
this.ReplyTo = null;
this.Mentions = [];
this.Reply = null;
}
/**
* Extract thread information from an Event
* @param {Event} ev Event to extract thread from
*/
static ExtractThread(ev) {
let isThread = ev.Tags.some(a => a.Key === "e");
if (!isThread) {
return null;
}
let ret = new Thread();
ret.Reply = ev;
let eTags = ev.Tags.filter(a => a.Key === "e");
let marked = eTags.some(a => a.Marker !== null);
if (!marked) {
ret.Root = eTags[0];
if (eTags.length > 2) {
ret.Mentions = eTags.slice(1, -1);
}
ret.ReplyTo = eTags[eTags.length - 1];
} else {
let root = eTags.find(a => a.Marker === "root");
let reply = eTags.find(a => a.Marker === "reply");
ret.Root = root;
ret.ReplyTo = reply;
}
return ret;
}
}

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import { useEffect } from "react";
import { useParams } from "react-router-dom";
import Note from "../element/Note";
import useThreadFeed from "./feed/ThreadFeed";
export default function EventPage() {
const params = useParams();
const id = params.id;
const { note, notes } = useThreadFeed(id);
if(note) {
return (
<>
{notes?.map(n => <Note key={n.id} data={n}/>)}
<Note data={note}/>
</>
)
}
return (
<>Loading {id.substring(0, 8)}...</>
);
}

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import { useContext, useEffect } from "react"
import { useSelector } from "react-redux";
import { useNavigate } from "react-router-dom";
import { NostrContext } from ".."
import useUsersStore from "./feed/UsersFeed";
export default function Layout(props) {
const system = useContext(NostrContext);
const navigate = useNavigate();
const relays = useSelector(s => s.login.relays);
useUsersStore();
useEffect(() => {
if (system && relays) {
for (let r of relays) {
system.ConnectToRelay(r);
}
}
}, [relays, system]);
return (
<div className="page">
<div className="header">
<div>n o s t r</div>
<div>
<div className="btn" onClick={() => navigate("/login")}>Login</div>
</div>
</div>
{props.children}
</div>
)
}

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export default function LoginPage() {
return (
<h1>I do login</h1>
);
}

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.send-note {
display: flex;
margin-bottom: 10px;
}
.send-note > input[type="text"] {
flex-grow: 1;
}
.send-note > .btn {
margin: 0 5px;
}
.login {
margin-bottom: 10px;
}

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import "./Root.css";
import Timeline from "./Timeline";
import { useSelector } from "react-redux";
export default function RootPage() {
const login = useSelector(s => s.login.privateKey);
function noteSigner() {
return (
<div className="send-note">
<input type="text" placeholder="Sup?"></input>
<div className="btn">Send</div>
</div>
);
}
return (
<>
{login ? noteSigner() : null}
<Timeline></Timeline>
</>
);
}

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import Note from "../element/Note";
import useTimelineFeed from "./feed/TimelineFeed";
export default function Timeline() {
const { notes } = useTimelineFeed();
const sorted = [
...(notes || [])
].sort((a, b) => b.created_at - a.created_at);
return (
<div className="timeline">
{sorted.map(e => <Note key={e.id} data={e}/>)}
</div>
);
}

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export default function useProfileFeed(id) {
}

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import { useContext, useEffect, useState } from "react";
import { useDispatch } from "react-redux";
import { NostrContext } from "../..";
import { Subscriptions } from "../../nostr/Subscriptions";
import { addPubKey } from "../../state/Users";
export default function useThreadFeed(id) {
const dispatch = useDispatch();
const system = useContext(NostrContext);
const [note, setNote] = useState(null);
const [notes, setNotes] = useState([]);
const [relatedEvents, setRelatedEvents] = useState([]);
useEffect(() => {
if (note) {
let eFetch = [];
dispatch(addPubKey(note.pubkey));
for (let t of note.tags) {
if (t[0] === "p") {
dispatch(addPubKey(t[1]));
} else if (t[0] === "e") {
eFetch.push(t[1]);
}
}
if(eFetch.length > 0) {
setRelatedEvents(eFetch);
}
}
}, [note]);
useEffect(() => {
if (system) {
let sub = new Subscriptions();
sub.Ids.add(id);
sub.OnEvent = (e) => {
if(e.id === id && !note) {
setNote(e);
}
};
system.AddSubscription(sub);
return () => system.RemoveSubscription(sub.Id);
}
}, [system]);
useEffect(() => {
if(system && relatedEvents.length > 0) {
let sub = new Subscriptions();
sub.ETags = new Set(relatedEvents);
sub.OnEvent = (e) => {
let temp = new Set(notes);
temp.add(e);
setNotes(Array.from(temp));
};
system.AddSubscription(sub);
return () => system.RemoveSubscription(sub.Id);
}
}, [system, relatedEvents])
return { note, notes };
}

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import { useContext, useEffect } from "react";
import { useDispatch, useSelector } from "react-redux";
import { NostrContext } from "../../index";
import EventKind from "../../nostr/EventKind";
import { Subscriptions } from "../../nostr/Subscriptions";
import { addNote } from "../../state/Timeline";
import { addPubKey } from "../../state/Users";
export default function useTimelineFeed(opt) {
const system = useContext(NostrContext);
const dispatch = useDispatch();
const follows = useSelector(s => s.timeline?.follows);
const notes = useSelector(s => s.timeline?.notes);
const pubKeys = useSelector(s => s.users.pubKeys);
const options = {
...opt
};
function trackPubKeys(keys) {
for (let pk of keys) {
if (!pubKeys.includes(pk)) {
dispatch(addPubKey(pk));
}
}
}
useEffect(() => {
if (follows.length > 0) {
const sub = new Subscriptions();
sub.Authors = new Set(follows);
sub.Kinds.add(EventKind.TextNote);
sub.Limit = 10;
sub.OnEvent = (e) => {
dispatch(addNote(e));
};
trackPubKeys(follows);
if (system) {
system.AddSubscription(sub);
return () => system.RemoveSubscription(sub.Id);
}
}
}, [follows]);
useEffect(() => {
for (let n of notes) {
}
}, [notes]);
return { notes, follows };
}

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import { useContext, useEffect } from "react";
import { useDispatch, useSelector } from "react-redux";
import { NostrContext } from "../../index";
import Event from "../../nostr/Event";
import EventKind from "../../nostr/EventKind";
import { Subscriptions } from "../../nostr/Subscriptions";
import { setUserData } from "../../state/Users";
export default function useUsersStore() {
const dispatch = useDispatch();
const system = useContext(NostrContext);
const pKeys = useSelector(s => s.users.pubKeys);
useEffect(() => {
if (pKeys.length > 0) {
const sub = new Subscriptions();
sub.Authors = new Set(pKeys);
sub.Kinds.add(EventKind.SetMetadata);
sub.OnEvent = (ev) => {
let metaEvent = Event.FromObject(ev);
let data = JSON.parse(metaEvent.Content);
let userData = {
pubkey: metaEvent.PubKey,
...data
};
dispatch(setUserData(userData));
};
if (system) {
system.AddSubscription(sub);
return () => system.RemoveSubscription(sub.Id);
}
}
}, [pKeys]);
}

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import { createSlice } from '@reduxjs/toolkit'
const PrivateKeyItem = "secret";
const RelayList = "relays";
const DefaultRelays = JSON.stringify([
"wss://nostr.v0l.io",
"wss://nostr-pub.wellorder.net",
"wss://nostr.zebedee.cloud",
"wss://relay.damus.io",
"wss://nostr.rocks",
"wss://nostr.rocks"
]);
const LoginSlice = createSlice({
name: "Login",
initialState: {
/**
* Current user private key
*/
privateKey: window.localStorage.getItem(PrivateKeyItem),
/**
* Configured relays for this user
*/
relays: JSON.parse(window.localStorage.getItem(RelayList) || DefaultRelays)
},
reducers: {
setPrivateKey: (state, action) => {
state.privateKey = action.payload;
},
logout: (state) => {
state.privateKey = null;
}
}
});
export const { setPrivateKey, logout } = LoginSlice.actions;
export const reducer = LoginSlice.reducer;

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import { configureStore } from "@reduxjs/toolkit";
import { reducer as TimelineReducer } from "./Timeline";
import { reducer as UsersReducer } from "./Users";
import { reducer as LoginReducer } from "./Login";
const Store = configureStore({
reducer: {
timeline: TimelineReducer,
users: UsersReducer,
login: LoginReducer
}
});
export default Store;

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import { createSlice } from '@reduxjs/toolkit'
const TimelineSlice = createSlice({
name: "Timeline",
initialState: {
notes: [],
follows: ["217e3d8b61c087b10422427e114737a4a4a4b1e15f22301fb4b07e1f33204d7c", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"]
},
reducers: {
setNotes: (state, action) => {
state.notes = action.payload;
},
addNote: (state, action) => {
if (!state.notes.some(n => n.id === action.payload.id)) {
let tmp = new Set(state.notes);
tmp.add(action.payload);
state.notes = Array.from(tmp);
}
},
setFollowers: (state, action) => {
state.follows = action.payload;
},
addFollower: (state, action) => {
let tmp = new Set(state.follows);
tmp.add(action.payload);
state.follows = Array.from(tmp);
}
}
});
export const { setNotes, addNote, setFollowers, addFollower } = TimelineSlice.actions;
export const reducer = TimelineSlice.reducer;

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import { createSlice } from '@reduxjs/toolkit'
const UsersSlice = createSlice({
name: "Users",
initialState: {
/**
* Set of known pubkeys
*/
pubKeys: [],
/**
* User objects for known pubKeys, populated async
*/
users: {}
},
reducers: {
addPubKey: (state, action) => {
if (!state.pubKeys.includes(action.payload)) {
let temp = new Set(state.pubKeys);
temp.add(action.payload);
state.pubKeys = Array.from(temp);
}
// load from cache
let cache = window.localStorage.getItem(`user:${action.payload}`);
if(cache) {
let ud = JSON.parse(cache);
state.users[ud.pubkey] = ud;
}
},
setUserData: (state, action) => {
let ud = action.payload;
let existing = state.users[ud.pubkey];
if (existing) {
ud = {
...existing,
...ud
};
}
state.users[ud.pubkey] = ud;
window.localStorage.setItem(`user:${ud.pubkey}`, JSON.stringify(ud));
}
}
});
export const { addPubKey, setUserData } = UsersSlice.actions;
export const reducer = UsersSlice.reducer;

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