import { get } from "svelte/store"; import { event, invoice, request, newPayment, last } from "$lib/store"; import { success, sat } from "$lib/utils"; import { PUBLIC_SOCKET } from "$env/static/public"; import { invalidate } from "$app/navigation"; import { browser } from "$app/environment"; let socket, token; export const auth = () => token && send("login", token); export const send = (type, data) => { socket?.readyState === 1 && socket.send(JSON.stringify({ type, data })); return true; }; export const messages = (data) => ({ id() { last.set(Date.now()); }, invoice() { invoice.set(data); }, event() { event.set(data); }, request() { request.set(data); invalidate("app:invoice"); }, async payment() { let { amount, confirmed } = data; invalidate("app:user"); invalidate("app:invoice"); invalidate("app:payments"); if (amount > 0) { success(`${confirmed ? "Received" : "Detected"} ${sat(amount)}!`); } }, connected: auth, }); const initialReconnectDelay = 1000; const maxReconnectDelay = 16000; let currentReconnectDelay = initialReconnectDelay; export function connect(t) { token = t; if (socket) return auth(); socket = new WebSocket(PUBLIC_SOCKET); socket.addEventListener("open", onWebsocketOpen); socket.addEventListener("close", onWebsocketClose); socket.addEventListener("message", onWebsocketMessage); } 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(token); } tup-updates coinos server — legacy coinos.io backend (Lightning, on-chain, Liquid)coinos
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