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// Back from the background on a phone, the app's relay sockets read OPEN
// and are dead (the tab was frozen; the network forgot them), and the
// catch-up it sends on them finds nothing. The library noticed a dead one
// only after its 29 s ping + 20 s timeout, then waited 10 s to redial — a
// Following feed stuck at the morning's posts for a minute or more after
// opening the app in the evening ("no new notes since 11:35?", Adam,
// 2026-11-01). On resume every open socket is now asked one tiny REQ; a
// silent one is closed and redialed at once, its subscriptions refired, and
// the feed refresh runs on the live sockets. Run: bun tools/resume-wake-test.js
import puppeteer from './puppeteer.js';
import { cacheKeyFor } from '../src/wallet.js';
import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure';
import { buildHtml } from '../build.js';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
let ok = true;
const check = (n, c, d = '') => { console.log(` ${c ? '✓' : '✗'} ${n}${d ? ' — ' + d : ''}`); if (!c) ok = false; };
const html = await buildHtml({ minify: true, pwa: false });
const SK = generateSecretKey(), AUTHOR = getPublicKey(SK);
const now = () => Math.floor(Date.now() / 1000);
const post = (content, ago) => finalizeEvent({ kind: 1, created_at: now() - ago, tags: [], content }, SK);
const stored = [post('morning one', 3600), post('morning two', 3000), post('morning three', 2400)];
const match = (f, e) => (!f.kinds || f.kinds.includes(e.kind)) && (!f.authors || f.authors.includes(e.pubkey)) && (!f.ids || f.ids.includes(e.id)) && (!f.since || e.created_at >= f.since);
// one relay; a socket marked dead keeps its connection and answers nothing,
// the way a phone's frozen sockets do once the network has forgotten them
const sockets = new Set(); let opened = 0, closed = 0;
const server = Bun.serve({ port: 0, fetch: (req, srv) => {
const path = new URL(req.url).pathname;
if (path === '/relay') return srv.upgrade(req) ? undefined : new Response('ws', { status: 426 });
if (path.startsWith('/punks') || path === '/verify-worker.js') return new Response(Bun.file('dist' + path));
return new Response(html, { headers: { 'content-type': 'text/html' } });
}, websocket: {
open(ws) { ws.data = { subs: new Map(), dead: false }; sockets.add(ws); opened++; },
message(ws, raw) {
if (ws.data.dead) return;
let m; try { m = JSON.parse(raw); } catch { return; }
if (m[0] === 'EVENT') { ws.send(JSON.stringify(['OK', m[1].id, true, ''])); return; }
if (m[0] === 'REQ') {
const s = { id: m[1], filters: m.slice(2) };
ws.data.subs.set(m[1], s);
for (const e of stored) if (s.filters.some((f) => match(f, e))) ws.send(JSON.stringify(['EVENT', m[1], e]));
ws.send(JSON.stringify(['EOSE', m[1]]));
} else if (m[0] === 'CLOSE') ws.data.subs.delete(m[1]);
},
close(ws) { sockets.delete(ws); closed++; },
} });
const PORT = server.port;
const liveSubs = () => [...sockets].filter((s) => !s.data.dead).flatMap((s) => [...s.data.subs.values()]);
const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox'] });
const page = await browser.newPage();
await page.setViewport({ width: 390, height: 844 });
await page.evaluateOnNewDocument((port) => {
const Real = window.WebSocket;
window.WebSocket = function (url, p) { if (/relay\.coinos\.io/.test(String(url))) url = `ws://localhost:${port}/relay`; return p ? new Real(url, p) : new Real(url); };
window.WebSocket.prototype = Real.prototype;
Object.assign(window.WebSocket, { CONNECTING: 0, OPEN: 1, CLOSING: 2, CLOSED: 3 });
}, PORT);
const errs = [];
page.on('pageerror', (e) => errs.push(String(e)));
const warns = [];
page.on('console', (m) => { if (/redialing|silent after resume/.test(m.text())) warns.push(m.text()); });
const click = (t) => page.evaluate((x) => { const e = [...document.querySelectorAll('button')].find((n) => n.textContent.trim().toLowerCase().includes(x)); if (e) { e.click(); return true; } return false; }, t);
const waitText = async (x, ms = 25000) => { for (let i = 0; i < ms / 250; i++) { if ((await page.evaluate(() => document.body.innerText)).toLowerCase().includes(x)) return true; await sleep(250); } return false; };
const waitFor = async (fn, arg, ms = 10000) => { const t0 = Date.now(); for (let i = 0; i < ms / 100; i++) { if (await page.evaluate(fn, arg)) return (Date.now() - t0) / 1000; await sleep(100); } return null; };
const rowTexts = () => page.evaluate(() => [...document.querySelectorAll('.notes-feed > .row[data-key]')].map((r) => r.textContent.replace(/\s+/g, ' ').trim().slice(0, 40)));
try {
await page.goto(`http://localhost:${PORT}/`, { waitUntil: 'domcontentloaded' });
await page.evaluate(() => localStorage.setItem('btc-wallet-network', 'regtest'));
await page.reload({ waitUntil: 'domcontentloaded' });
await sleep(400);
await click('create a new wallet'); await sleep(600);
await page.waitForSelector('.words .w .t');
const mn = (await page.$$eval('.words .w .t', (l) => l.map((e) => e.textContent.trim()))).join(' ');
await click('skip verification');
await waitText('receive', 20000);
const base = cacheKeyFor(mn + '\n');
await page.evaluate(([k, pk, ns]) => {
localStorage.setItem(k + ':follows', JSON.stringify({ tags: [['p', pk]], c: '', at: Math.floor(Date.now() / 1000) }));
localStorage.setItem(k + ':feedNotes', JSON.stringify(ns));
localStorage.setItem(k + ':profiles', JSON.stringify({ [pk]: { name: 'Early Bird', t: Date.now() } }));
localStorage.setItem('btc-wallet-feed:' + k, 'following');
}, [base, AUTHOR, stored]);
await page.reload({ waitUntil: 'domcontentloaded' });
await waitText('receive', 20000);
await page.evaluate(() => document.querySelector('.app-nav-button[aria-label="Feed"]').click());
check('the morning\'s posts are in the feed', (await waitFor(() => document.querySelectorAll('.notes-feed > .row[data-key]').length >= 3, null, 20000)) != null, (await rowTexts()).join(' | '));
check('the feed watches the relay live', (await waitFor(() => true, null, 100), await (async () => { for (let i = 0; i < 100; i++) { if (liveSubs().some((s) => s.filters.some((f) => f.authors && f.since))) return true; await sleep(100); } return false; })()), liveSubs().length + ' subs on ' + sockets.size + ' sockets');
const openedBefore = opened;
console.log('\n[the phone sleeps: its sockets die quietly, a follow posts]');
for (const s of sockets) s.data.dead = true;
const fresh = post('evening news', 0);
stored.push(fresh);
await page.evaluate((k) => { try { localStorage.setItem('btc-wallet-bg-at', String(Date.now() - 10 * 60_000)); } catch {} }, base);
await sleep(300);
console.log('\n[back on screen]');
const t0 = Date.now();
await page.evaluate(() => window.dispatchEvent(new Event('focus')));
const redial = await (async () => { for (let i = 0; i < 150; i++) { if (opened > openedBefore) return (Date.now() - t0) / 1000; await sleep(100); } return null; })();
check('the dead socket is found out and redialed within seconds', redial != null && redial < 6, redial != null ? redial.toFixed(1) + 's (' + warns[0] + ')' : 'no new socket in 15 s');
const shown = await waitFor(() => { const p = document.querySelector('.feed-new-pill'); if (p) p.click(); return [...document.querySelectorAll('.notes-feed > .row[data-key]')].some((r) => r.textContent.includes('evening news')); }, null, 15000);
check('the post from while it slept is on screen within seconds', shown != null && (Date.now() - t0) / 1000 < 12, shown != null ? ((Date.now() - t0) / 1000).toFixed(1) + 's after resume' : (await rowTexts()).join(' | '));
check('the dead sockets were let go', closed >= 1, closed + ' closed');
check('…and the live subscriptions are back on the new socket', liveSubs().some((s) => s.filters.some((f) => f.authors && f.since)), liveSubs().length + ' subs');
check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
} catch (e) { console.error(e); ok = false; } finally { await browser.close(); server.stop(true); }
console.log(ok ? '\n✅ back from the background, dead sockets are redialed at once and the feed catches up' : '\n❌ failed');
process.exit(ok ? 0 : 1);
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