1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
import { get } from 'svelte/store';
import { invoices, newPayment, rate } from '$lib/store';
import { success } from '$lib/utils';
import { env } from '$env/dynamic/public';
const socketUrl = env.PUBLIC_SOCKET;
let interval, socket, token;
export const auth = () => token && send('login', token);
export const send = (type, data) => {
socket?.readyState === 1 && socket.send(JSON.stringify({ type, data }));
};
export const messages = (data) => ({
rate() {
rate.set(data);
},
payment() {
let { amount, invoice } = data;
console.log("INVOICE", invoice)
if (invoice) {
invoices.set({ ...get(invoices), [invoice.uuid]: invoice });
}
newPayment.set(true);
if (amount > 0) {
success(`Received ${amount} sats!`);
} else {
success(`Sent ${-amount} sats!`);
}
},
connected: auth
});
const initialReconnectDelay = 1000;
const maxReconnectDelay = 16000;
let currentReconnectDelay = initialReconnectDelay;
export function connect(t) {
token = t;
clearInterval(interval);
if (socket) return auth();
socket = new WebSocket(socketUrl);
socket.addEventListener('open', onWebsocketOpen);
socket.addEventListener('close', onWebsocketClose);
socket.addEventListener('message', onWebsocketMessage);
interval = setInterval(() => send('heartbeat'), 5000);
}
export function close() {
if (socket) socket.close();
}
function onWebsocketMessage(msg) {
let { type, data } = JSON.parse(msg.data);
messages(data)[type] && messages(data)[type]();
}
function onWebsocketOpen() {
currentReconnectDelay = initialReconnectDelay;
}
function onWebsocketClose() {
socket = null;
setTimeout(() => {
reconnectToWebsocket();
}, currentReconnectDelay + Math.floor(Math.random() * 3000));
}
function reconnectToWebsocket() {
if (currentReconnectDelay < maxReconnectDelay) {
currentReconnectDelay *= 2;
}
connect();
}
|