NIP-28 support!

demo.html

@@ -12,8 +12,8 @@
   renter a Svelte component upon loading this page.</p>
 
   <script src="public/bundle.js"
-    data-chat-type="GLOBAL"
-    data-chat-tags="nostrica,nostrica2023"
+    data-chat-type="NIP-28"
+    data-chat-id="a6f436a59fdb5e23c757b1e30478742996c54413df777843e0a731af56a96eea"
     data-relays="wss://relay.nostrica.com,wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.info,wss://nostr-pub.wellorder.net,wss://relay.current.fyi,wss://relay.nostr.band"
 ></script>
 

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "nostri.chat",
-	"version": "0.1.5",
+	"version": "0.3.14159",
 	"scripts": {
 		"dev": "vite dev",
 		"build": "svelte-kit sync && svelte-package",
@@ -11,13 +11,14 @@
 		"@sveltejs/adapter-auto": "^1.0.0",
 		"@sveltejs/kit": "^1.0.0",
 		"@sveltejs/package": "^1.0.0",
-		"autoprefixer": "^10.4.13",
+		"autoprefixer": "^10.4.14",
 		"debug": "^4.3.4",
 		"postcss": "^8.4.21",
-		"rollup-plugin-svelte": "^7.1.0",
+		"rollup-plugin-polyfill-node": "^0.12.0",
+		"rollup-plugin-svelte": "^7.1.5",
 		"sirv-cli": "^2.0.2",
 		"svelte": "^3.54.0",
-		"tailwindcss": "^3.2.4",
+		"tailwindcss": "^3.3.2",
 		"tslib": "^2.4.1",
 		"typescript": "^4.9.3",
 		"vite": "^4.0.0"
@@ -26,9 +27,10 @@
 	"dependencies": {
 		"@nostr-connect/connect": "^0.2.3",
 		"@nostr-dev-kit/ndk": "^0.3.32",
+		"@rollup/plugin-alias": "^5.0.0",
 		"@rollup/plugin-commonjs": "^24.0.1",
 		"@rollup/plugin-json": "^6.0.0",
-		"@rollup/plugin-typescript": "^11.0.0",
+		"@rollup/plugin-typescript": "^11.1.1",
 		"@sveltejs/adapter-node": "^1.1.7",
 		"@tailwindcss/forms": "^0.5.3",
 		"@tailwindcss/typography": "^0.5.9",

rollup.config.js

@@ -3,6 +3,7 @@ import sveltePreprocess from "svelte-preprocess";
 import { vitePreprocess } from '@sveltejs/kit/vite';
 import tailwindcss from "tailwindcss";
 import autoprefixer from "autoprefixer";
+import nodePolyfills from 'rollup-plugin-polyfill-node';
 import resolve from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
 import css from "rollup-plugin-css-only";
@@ -22,6 +23,12 @@ export default {
 		format: "iife",
 		name: "app",
 		sourcemap: production,
+		globals: {
+			"https": "https",
+			"http": "http",
+			"net": "net",
+		}
+
 	},
 	plugins: [
 		// compile svelte with tailwindcss as preprocess (including autoprefixer)
@@ -45,6 +52,7 @@ export default {
 		}),
 		json(),
 		commonjs(),
+		nodePolyfills( /* options */ ),
 
 		// export CSS in separate file for better performance
 		css({ output: "bundle.css" }),
@@ -64,6 +72,6 @@ export default {
 		!production && livereload("public/"),
 
 		// minify bundles in production mode
-		// production && terser(),
+		production && terser(),
 	],
 };

src/ConnectedWidget.svelte

@@ -14,8 +14,12 @@
     let prevChatConfiguration;
 
     $: {
-        if (chatConfiguration !== prevChatConfiguration && prevChatConfiguration && $chatAdapter) {
-            $chatAdapter.setChatConfiguration(chatConfiguration.chatType, chatConfiguration.chatTags, chatConfiguration.chatReferenceTags);
+        if (chatConfiguration !== prevChatConfiguration && $chatAdapter) {
+            $chatAdapter.setChatConfiguration(
+                chatConfiguration.chatType,
+                chatConfiguration.chatTags,
+                chatConfiguration.chatReferenceTags,
+                chatConfiguration.chatId);
             events = [];
             responses = {};
             rootNoteId = null;
@@ -46,7 +50,7 @@
 
         // if we are responding to an event, we want to tag the event and the pubkey
         if ($selectedMessage) {
-            extraParams.tags.push(['e', $selectedMessage]);
+            extraParams.tags.push(['e', $selectedMessage, "wss://nos.lol", "root"]);
             extraParams.tagPubKeys.push(getEventById($selectedMessage).pubkey);
         }
 
@@ -86,6 +90,8 @@
 
         if (chatConfiguration.chatType === 'GLOBAL') {
             isThread = message.tags.filter(tag => tag[0] === 'e').length >= 1;
+        } else if (chatConfiguration.chatType === 'GROUP') {
+            isThread = message.tags.filter(tag => tag[0] === 'e' && tag[1] !== chatConfiguration.chatId).length >= 1;
         } else {
             const pubkeysTagged = message.tags.filter(tag => tag[0] === 'p').map(tag => tag[1]);
             isThread = new Set(pubkeysTagged).size >= 2;
@@ -147,6 +153,7 @@
     }
 
     let rootNoteId;
+    let channelMetadata = {};
 
     onMount(() => {
         $chatAdapter.on('message', messageReceived);
@@ -173,6 +180,10 @@
 
             chatData.set({ profiles, ...$chatData })
         })
+
+        $chatAdapter.on('channelMetadata', (event) => {
+            channelMetadata = JSON.parse(event.content);
+        })
     });
 
     let connectivityStatus = {};
@@ -188,14 +199,25 @@
         }
     }
 
+    let connectedChatId;
+
+    $: if (connectedChatId !== $chatAdapter?.chatId) {
+        connectedChatId = $chatAdapter?.chatId;
+        channelMetadata = {};
+    }
+
     $: profiles = $chatData.profiles;
 
     function selectParent() {
+        if (chatConfiguration.chatType === 'GROUP') {
+            $selectedMessage = null;
+        } else {
             // get the last tagged event in the tags array of the current $selectedMessage
             const lastETag = getEventById($selectedMessage).tags.filter(tag => tag[0] === 'e').pop();
             const lastETagId = lastETag && lastETag[1];
 
             $selectedMessage = lastETagId;
+        }
 
         scrollDown()
     }
@@ -254,6 +276,21 @@
     </span>
 </div>
 
+{#if channelMetadata.name}
+    <div class="flex flex-row gap-2 mb-3 bg-zinc-300 text-zinc-800 px-4 py-2 -mx-4 -mt-3">
+        {#if channelMetadata.picture}
+            <img src={channelMetadata.picture} class="w-12 h-12 rounded-full" />
+        {/if}
+
+        <div class="flex flex-col">
+            <div class="font-extrabold text-xl">{channelMetadata.name}</div>
+            {#if channelMetadata.about}
+                <div class="text-sm truncate font-regular">{channelMetadata.about}</div>
+            {/if}
+        </div>
+    </div>
+{/if}
+
 {#if $selectedMessage}
     {#if !getEventById($selectedMessage)}
         <h1>Couldn't find event with ID {$selectedMessage}</h1>
@@ -299,9 +336,12 @@
         {#if chatConfiguration.chatType === 'DM'}
             <b>Encrypted chat:</b>
             only your chat partner can see these messages.
-        {:else}
+        {:else if chatConfiguration.chatType === 'GROUP'}
             <b>Public chat:</b>
             anyone can see these messages.
+        {:else}
+            <b>Public notes:</b>
+            your followers see your messages on their timeline
         {/if}
     </div>
 

src/KeyPrompt.svelte

@@ -1,6 +1,6 @@
 <script>
     import { onMount } from "svelte";
-    import QR from 'svelte-qr';
+    // import QR from 'svelte-qr';
     import { chatAdapter } from './lib/store';
     import NstrAdapterNip07 from './lib/adapters/nip07.js';
     import NstrAdapterNip46 from './lib/adapters/nip46.js';
@@ -128,7 +128,7 @@
 
     <div class="bg-white w-full p-3"
         on:click|preventDefault={Nip46Copy}>
-        <QR text={nip46URI} />
+        <!-- <QR text={nip46URI} /> -->
     </div>
 
     <button class="

src/NostrNote.svelte

@@ -29,7 +29,7 @@
     // delay-fetch responses
     onMount(() => {
         $chatAdapter.delayedSubscribe(
-            {kinds: [1, 9735], '#e': [event.id]}
+            {kinds: [1, 42, 9735], '#e': [event.id]}
         , 'responses', 500)
     })
 
@@ -100,7 +100,7 @@
                     <p class="flex flex-col items-center my-4">
                         ⚡️
                         <span class="text-orange-500 font-semibold">
-                            {zappedAmount}
+                            {zappedAmount/1000}
                         </span>
                     </p>
                 {:else}

src/Widget.svelte

@@ -6,9 +6,9 @@
     export let chatTags;
     export let chatReferenceTags;
     export let relays;
+    export let chatId;
 
     let showChat = false;
-    let dismissedIntro = true;
     let minimizeChat = false;
 
     function toggleChat() {
@@ -18,10 +18,6 @@
             showChat = !showChat;
         }
     }
-
-    function dismissIntro() {
-        dismissedIntro = true;
-    }
 </script>
 
 <div class="
@@ -35,63 +31,16 @@
             flex flex-col justify-end
             {minimizeChat ? 'hidden' : ''}
         " style="max-height: 80vh;">
-            {#if !dismissedIntro}
-                <h1 class="
-					font-bold
-					text-2xl
-					text-purple-700">
-                    NostriChat
-                </h1>
-
-                <p class="text-gray-700 mb-3">
-                    This is a FOSS chat app built on top of the Nostr protocol.
-                </p>
-
-                <p class="text-gray-700 mb-3">
-                    Choose how you would like to chat:
-                </p>
-
-                <p class="text-gray-700 mb-3">
-                    You can use it to ask for help
-                    <span class="font-bold">PSBT.io</span>
-                    to the creators of this site or to
-                    anyone willing to help.
-                </p>
-
-                <p class="text-gray-700 mb-3">
-                    Keep in mind that this chat is public,
-                    anyone can read it, so don't exchange
-                    private information and use common-sense.
-                </p>
-
-                <button class="
-                    bg-purple-900
-                    hover:bg-purple-700
-                    w-full
-                    p-2
-                    py-4
-                    text-xl
-                    mt-3
-                    rounded-xl
-                    text-center
-                    font-semibold
-                    tracking-wide
-                    uppercase
-                    text-white
-                " on:click={dismissIntro}>
-                    Continue
-                </button>
-            {:else}
             <Container
                 {websiteOwnerPubkey}
                 chatConfiguration={{
                     chatType,
                     chatTags,
+                    chatId,
                     chatReferenceTags,
                 }}
                 {relays}
             />
-            {/if}
         </div>
     {/if}
 

src/lib/adapters/index.js

@@ -21,6 +21,7 @@ class NstrAdapter {
     referenceTags;
     type;
     #websiteOwnerPubkey;
+    chatId;
     relayUrls = [];
 
     #profileRequestQueue = [];
@@ -29,25 +30,24 @@ class NstrAdapter {
     #delayedSubscriptions = {};
     #delayedSubscriptionTimeouts = {};
 
-    constructor(clientPubkey, {tags, referenceTags, type='DM', websiteOwnerPubkey, relays} = {}) {
+    constructor(clientPubkey, {tags, referenceTags, type='DM', chatId, websiteOwnerPubkey, relays} = {}) {
         this.pubkey = clientPubkey;
         this.#websiteOwnerPubkey = websiteOwnerPubkey;
         this.relayUrls = relays
 
         if (type) {
-            this.setChatConfiguration(type, tags, referenceTags);
+            this.setChatConfiguration(type, tags, referenceTags, chatId);
         }
     }
 
-    setChatConfiguration(type, tags, referenceTags) {
-        log('chatConfiguration', {type, tags, referenceTags});
+    setChatConfiguration(type, tags, referenceTags, chatId) {
         this.type = type;
         this.tags = tags;
+        this.chatId = chatId;
         this.referenceTags = referenceTags;
 
         // handle connection
         if (this.#pool) { this.#disconnect() }
-        this.#connect()
 
         let filters = [];
 
@@ -61,6 +61,14 @@ class NstrAdapter {
                     'authors': [this.pubkey, this.#websiteOwnerPubkey]
                 });
                 break;
+            case 'GROUP':
+                if (this.chatId) {
+                    filters.push({
+                        kinds: [41, 42],
+                        "#e": [this.chatId],
+                        limit: 200,
+                    })
+                }
             case 'GLOBAL':
                 if (this.tags && this.tags.length > 0) {
                     filters.push({kinds: [1], '#t': this.tags, limit: 20});
@@ -73,6 +81,7 @@ class NstrAdapter {
         }
 
         if (filters && filters.length > 0) {
+            this.#connect()
             this.subscribe(filters, (e) => { this.#emitMessage(e) })
         }
     }
@@ -96,6 +105,8 @@ class NstrAdapter {
 
         if (this.type === 'DM') {
             event = await this.sendKind4(message, {tagPubKeys, tags});
+        } else if (this.type === 'GROUP') {
+            event = await this.sendKind42(message, {tagPubKeys, tags, chatId: this.chatId});
         } else {
             event = await this.sendKind1(message, {tagPubKeys, tags});
         }
@@ -124,6 +135,46 @@ class NstrAdapter {
         return event;
     }
 
+    async sendKind42(message, {tagPubKeys, tags, chatId} = {}) {
+        if (!tags) { tags = []; }
+
+        if (this.tags) {
+            this.tags.forEach((t) => tags.push(['t', t]));
+        }
+
+        // check if there is an e tag
+        const reply = !!tags.find((t) => t[0] === 'e');
+
+        if (!reply) {
+            tags.push(['e', chatId, "wss://nos.lol", reply ? "reply" : "root"]);
+        }
+
+        if (this.referenceTags) {
+            this.referenceTags.forEach((t) => tags.push(['r', t]));
+        }
+
+        let event = {
+            kind: 42,
+            created_at: Math.floor(Date.now() / 1000),
+            tags,
+            content: message,
+            pubkey: this.pubkey,
+        }
+
+        if (tagPubKeys) {
+            for (let pubkey of tagPubKeys) {
+                if (pubkey) {
+                    event.tags.push(['p', pubkey]);
+                }
+            }
+        }
+
+        event.id = getEventHash(event)
+        this.subscribeToEventAndResponses(event.id);
+
+        return event;
+    }
+
     async sendKind1(message, {tagPubKeys, tags} = {}) {
         if (!tags) { tags = []; }
 
@@ -191,8 +242,6 @@ class NstrAdapter {
                     return groups;
                 }, groups);
 
-                console.log(`turned ${filters.length} filters into ${groups.length} groups`);
-
                 groups.forEach((filters) => {
                     this.subscribe(filters, (e) => { this.#emitMessage(e)});
                 });
@@ -246,7 +295,11 @@ class NstrAdapter {
         }
 
         switch (event.kind) {
-            case 1: this.#eventEmitter.emit('message', event); break;
+            case 1:
+            case 42:
+                this.#eventEmitter.emit('message', event); break;
+            case 41:
+                this.#eventEmitter.emit('channelMetadata', event); break;
             case 4: this.#eventEmitter.emit('message', event); break;
             case 5: this.#eventEmitter.emit('deleted', deletedEvents); break;
             case 7: this.#eventEmitter.emit('reaction', event); break;

src/routes/+page.svelte

@@ -2,19 +2,17 @@
 	import 'websocket-polyfill';
 	import Container from '../Container.svelte';
 	import Widget from '../Widget.svelte';
-	import { chatAdapter } from '$lib/store';
+	import { chatAdapter } from '../lib/store';
 
 	let chatStarted;
-	let chatType = 'GLOBAL';
+	let chatType = 'GROUP';
 	let websiteOwnerPubkey = 'fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52';
-	let chatTags = ['bitcoin'];
+	let chatTags = [];
+	let chatId = '9cef2eead5d91df42eba09be363f1272107e911685126ea5e261ac2d93299478';
 	let chatReferenceTags = [];
 	const relays = [
 		'wss://relay.f7z.io',
-		'wss://relay.nostr.info',
-		'wss://nostr-pub.wellorder.net',
-		'wss://relay.nos.lol',
-		'wss://nostr.walletofsatoshi.com',
+		'wss://nos.lol',
 		'wss://relay.nostr.band',
 	];
 
@@ -87,6 +85,7 @@
 			" style="{chatStarted ? 'max-height: 80vh;' : 'padding: 4rem 2rem !important;'}">
 				<Container chatConfiguration={{
 					chatType,
+					chatId,
 					chatTags,
 					chatReferenceTags,
 				}} {relays} bind:chatStarted={chatStarted} />
@@ -148,6 +147,60 @@
 		</div>
 
 		<div class="flex flex-col gap-3">
+			<h2 class="text-3xl text-orange-600 font-black">
+				<div class="flex flex-row gap-2">
+					<span>🫂</span>
+					<span class="flex flex-col">
+						<span>Public chat groups</span>
+						<span class="text-2xl text-slate-500 font-extralight block">public groups</span>
+					</span>
+				</div>
+			</h2>
+
+			<p class="
+				text-xl text-gray-500 text-justify
+				font-light
+				leading-8
+			">
+				Embed NIP-28 public chat groups on your site.
+			</p>
+
+			<div class="flex flex-col lg:flex-row justify-between mt-10 gap-10 mb-6">
+				<div class="flex flex-col lg:w-1/2 items-center gap-4 border p-4 shadow-md rounded-lg w-fit">
+					<h3 class="
+						text-black
+						text-lg
+						font-semibold
+					">Group chat</h3>
+					<span class="inline-flex rounded-md">
+						<button type="button" class="
+							inline-flex items-center rounded-l-md border px-4 py-2 text-md font-medium
+							{chatType === 'GROUP' && chatId === '9cef2eead5d91df42eba09be363f1272107e911685126ea5e261ac2d93299478' ?
+							'text-white bg-orange-700 border-orange-900'
+						:
+							'border-gray-300 bg-white text-gray-700'}
+						:ring-indigo-500"
+							on:click={()=>{ chatType='GROUP'; chatTags=[]; chatId='9cef2eead5d91df42eba09be363f1272107e911685126ea5e261ac2d93299478' }}
+						>
+							#Test
+						</button>
+
+						<button type="button" class="
+							inline-flex items-center rounded-r-md border px-4 py-2 text-md font-medium
+							{chatType === 'GROUP' && chatId === 'a6f436a59fdb5e23c757b1e30478742996c54413df777843e0a731af56a96eea' ?
+							'text-white bg-orange-700 border-orange-900'
+						:
+							'border-gray-300 bg-white text-gray-700'}
+						:ring-indigo-500"
+							on:click={()=>{ chatType='GROUP'; chatTags=[]; chatId='a6f436a59fdb5e23c757b1e30478742996c54413df777843e0a731af56a96eea' }}
+						>
+							#NDK
+						</button>
+					</span>
+
+				</div>
+			</div>
+
 			<h2 class="text-3xl text-orange-600 font-black">
 				<div class="flex flex-row gap-2">
 					<span>🔖</span>
@@ -156,8 +209,6 @@
 						<span class="text-2xl text-slate-500 font-extralight block">public discussion/support</span>
 					</span>
 				</div>
-
-
 			</h2>
 
 			<p class="
@@ -262,6 +313,7 @@
 				</p>
 			</div>
 
+			<div class="text-xl font-semibold">Public group chat (GROUP)</div>
 			<pre class ="
 				p-4
 				bg-white
@@ -269,14 +321,37 @@
 			">
 &lt;script
 	src="https://nostri.chat/public/bundle.js"
-	<span class="text-green-600">// YOUR PUBKEY IN HEX FORMAT</span>
-	<b>data-website-owner-pubkey</b>="<span class="text-orange-500">YOUR_PUBKEY"</span>
-	<span class="text-green-600">// THE TYPE OF CHAT YOU WANT: GLOBAL or DMs</span>
-	<b>data-chat-type</b>="<span class="text-orange-500">GLOBAL" </span>
-	<span class="text-green-600">// If you use GLOBAL you can choose set a comma-separated list of hashtags</span>
-	<b>data-chat-tags</b>="<span class="text-orange-500">nostrica,bitcoin"</span>
-	<span class="text-green-600">// Relays you'd like to use, change this this as you wish</span>
-	<b>data-relays</b>="<span class="text-orange-500">wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.info,wss://nostr-pub.wellorder.net,wss://relay.current.fyi,wss://relay.nostr.band"</span>
+	<b>data-chat-type</b>="<span class="text-orange-500">GROUP</span>"
+	<b>data-chat-id</b>="<span class="text-orange-500">&lt;GROUP_ID_IN_HEX_FORMAT&gt;</span>"
+	<b>data-relays</b>="<span class="text-orange-500">wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.band</span>"
+&gt;&lt;/script&gt;
+&lt;link rel="stylesheet" href="https://nostri.chat/public/bundle.css"&gt;</pre>
+
+<div class="text-xl font-semibold">Public global notes (kind-1 short notes)</div>
+<pre class ="
+	p-4
+	bg-white
+	overflow-auto
+">
+&lt;script
+src="https://nostri.chat/public/bundle.js"
+<b>data-chat-type</b>="<span class="text-orange-500">GLOBAL</span>"
+<b>data-chat-tags</b>="<span class="text-orange-500">bitcoin</span>"
+<b>data-relays</b>="<span class="text-orange-500">wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.band</span>"
+&gt;&lt;/script&gt;
+&lt;link rel="stylesheet" href="https://nostri.chat/public/bundle.css"&gt;</pre>
+
+<div class="text-xl font-semibold">Encrypted DMs</div>
+			<pre class ="
+				p-4
+				bg-white
+				overflow-auto
+			">
+&lt;script
+src="https://nostri.chat/public/bundle.js"
+<b>data-chat-type</b>="<span class="text-orange-500">DM</span>"
+<b>data-website-owner-pubkey</b>="<span class="text-orange-500">YOUR_PUBKEY_IN_HEX_FORMAT</span>"
+<b>data-relays</b>="<span class="text-orange-500">wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.band</span>"
 &gt;&lt;/script&gt;
 &lt;link rel="stylesheet" href="https://nostri.chat/public/bundle.css"&gt;</pre>
 		</div>
@@ -285,10 +360,9 @@
 
 <div class="md:hidden">
 	<Widget chatConfiguration={{
-		chatType,
 		chatTags,
 		chatReferenceTags,
-	}} {websiteOwnerPubkey} {relays} bind:chatStarted={chatStarted} />
+	}} {websiteOwnerPubkey} {chatType} {chatId} {relays} bind:chatStarted={chatStarted} />
 </div>
 
 <footer class="py-6 bg-orange-900 font-mono text-white text-center mt-12 px-10">

src/routes/demo/+page.svelte

@@ -14,8 +14,8 @@
   <script
     src="/public/bundle.js"
     data-website-owner-pubkey="fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52"
-    data-chat-type="GLOBAL"
-    data-chat-tags="nostrica"
+    data-chat-type="GROUP"
+    data-chat-id="a6f436a59fdb5e23c757b1e30478742996c54413df777843e0a731af56a96eea"
     data-relays="wss://relay.f7z.io,wss://nos.lol,wss://relay.nostr.info,wss://nostr-pub.wellorder.net,wss://relay.current.fyi,wss://relay.nostr.band"
   ></script>
 

src/widget.js

@@ -5,6 +5,7 @@ var script = document.currentScript;
 const websiteOwnerPubkey = script.getAttribute('data-website-owner-pubkey');
 const chatType = script.getAttribute('data-chat-type');
 let chatTags = script.getAttribute('data-chat-tags');
+let chatId = script.getAttribute('data-chat-id');
 let chatReferenceTags = script.getAttribute('data-chat-reference-tags');
 let relays = script.getAttribute('data-relays');
 script.parentNode.insertBefore(div, script);