122 lines
4.4 KiB
HTML
122 lines
4.4 KiB
HTML
<!DOCTYPE html>
|
|
<html lang='en'>
|
|
|
|
<head>
|
|
<meta charset='UTF-8'/>
|
|
<meta content='width=device-width, initial-scale=1.0' name='viewport'/>
|
|
<title>JS-Waku light node example</title>
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div><h2>Status</h2></div>
|
|
<div id='status'></div>
|
|
|
|
<div><h2>Local Peer Id</h2></div>
|
|
<div id='peer-id'></div>
|
|
|
|
<div><h2>Remote Peer Id</h2></div>
|
|
<div id='remote-peer-id'></div>
|
|
|
|
<label for='remote-multiaddr'>Remote peer's multiaddr</label>
|
|
<input id='remote-multiaddr'
|
|
type='text'
|
|
value="/dns4/node-01.ac-cn-hongkong-c.wakuv2.test.statusim.net/tcp/443/wss/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm">
|
|
<button disabled id='dial' type='button'>Dial</button>
|
|
<br/>
|
|
<button disabled id='subscribe' type='button'>Subscribe with Filter</button>
|
|
<button disabled id='unsubscribe' type='button'>Unsubscribe with Filter</button>
|
|
<br/>
|
|
<label for='textInput'>Message text</label>
|
|
<input id='textInput' placeholder='Type your message here' type='text'>
|
|
<button disabled id='sendButton' type='button'>Send message using Light Push</button>
|
|
<br/>
|
|
<div id="messages"></div>
|
|
|
|
<script type='module'>
|
|
import * as utils from 'https://unpkg.com/@waku/byte-utils@0.0.2/bundle/index.js';
|
|
import {createLightNode} from 'https://unpkg.com/@waku/create@0.0.4/bundle/index.js'
|
|
import {waitForRemotePeer} from 'https://unpkg.com/@waku/core@0.0.6/bundle/lib/wait_for_remote_peer.js'
|
|
import {EncoderV0, DecoderV0} from 'https://unpkg.com/@waku/core@0.0.6/bundle/lib/waku_message/version_0.js'
|
|
|
|
const peerIdDiv = document.getElementById('peer-id');
|
|
const remotePeerIdDiv = document.getElementById('remote-peer-id');
|
|
const statusDiv = document.getElementById('status');
|
|
const remoteMultiAddrDiv = document.getElementById('remote-multiaddr');
|
|
const dialButton = document.getElementById('dial')
|
|
const subscribeButton = document.getElementById('subscribe')
|
|
const unsubscribeButton = document.getElementById('unsubscribe')
|
|
const messagesDiv = document.getElementById('messages')
|
|
const textInput = document.getElementById('textInput');
|
|
const sendButton = document.getElementById('sendButton');
|
|
|
|
const ContentTopic = "/js-waku-examples/1/chat/utf8";
|
|
const decoder = new DecoderV0(ContentTopic);
|
|
const encoder = new EncoderV0(ContentTopic);
|
|
let messages = [];
|
|
let unsubscribe;
|
|
|
|
const updateMessages = (msgs, div) => {
|
|
div.innerHTML = "<ul>"
|
|
messages.forEach(msg => div.innerHTML += "<li>" + msg + "</li>")
|
|
div.innerHTML += "</ul>"
|
|
}
|
|
|
|
statusDiv.innerHTML = '<p>Creating Waku node.</p>';
|
|
const node = await createLightNode();
|
|
|
|
statusDiv.innerHTML = '<p>Starting Waku node.</p>';
|
|
await node.start();
|
|
statusDiv.innerHTML = '<p>Waku node started.</p>';
|
|
peerIdDiv.innerHTML = '<p>' + node.libp2p.peerId.toString() + '</p>'
|
|
dialButton.disabled = false;
|
|
|
|
dialButton.onclick = async () => {
|
|
const ma = remoteMultiAddrDiv.value
|
|
if (!ma) {
|
|
statusDiv.innerHTML = '<p>Error: No multiaddr provided.</p>';
|
|
return;
|
|
}
|
|
statusDiv.innerHTML = '<p>Dialing peer.</p>';
|
|
await node.dial(ma, ["filter", "lightpush"])
|
|
await waitForRemotePeer(node, ["filter", "lightpush"]);
|
|
const peers = await node.libp2p.peerStore.all();
|
|
statusDiv.innerHTML = '<p>Peer dialed.</p>';
|
|
remotePeerIdDiv.innerHTML = '<p>' + peers[0].id.toString() + '</p>'
|
|
textInput.disabled = false;
|
|
sendButton.disabled = false;
|
|
subscribeButton.disabled = false;
|
|
}
|
|
|
|
const callback = (wakuMessage) => {
|
|
const text = utils.bytesToUtf8(wakuMessage.payload)
|
|
const timestamp = wakuMessage.timestamp.toString()
|
|
messages.push(text + " - " + timestamp)
|
|
updateMessages(messages, messagesDiv)
|
|
}
|
|
|
|
subscribeButton.onclick = async () => {
|
|
unsubscribe = await node.filter.subscribe([decoder], callback)
|
|
unsubscribeButton.disabled = false;
|
|
subscribeButton.disabled = true;
|
|
}
|
|
|
|
unsubscribeButton.onclick = async () => {
|
|
await unsubscribe();
|
|
unsubscribe = undefined
|
|
unsubscribeButton.disabled = true;
|
|
subscribeButton.disabled = false;
|
|
}
|
|
|
|
sendButton.onclick = async () => {
|
|
const text = textInput.value;
|
|
|
|
await node.lightPush.push(encoder, {payload: utils.utf8ToBytes(text)});
|
|
console.log('Message sent!');
|
|
textInput.value = null;
|
|
};
|
|
</script>
|
|
</body>
|
|
|
|
</html>
|