From e35764950b59bde6e36bdfad1ca671eef564a6d1 Mon Sep 17 00:00:00 2001 From: Adam Soltys Date: Thu, 8 Oct 2026 16:34:06 -0700 Subject: Max fills the amount in the unit the field shows: in fiat that's money floored to the cent (so it never parses back above the maximum), not a BTC figure under a CAD label. One ctx.amountField helper for the ark send/LN Max, the gift Max and fixed-amount zap/BOLT 12 fills Co-Authored-By: Claude Opus 5.5 --- tools/amount-field-unit-test.js | 50 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 tools/amount-field-unit-test.js (limited to 'tools') diff --git a/tools/amount-field-unit-test.js b/tools/amount-field-unit-test.js new file mode 100644 index 0000000..26c5357 --- /dev/null +++ b/tools/amount-field-unit-test.js @@ -0,0 +1,50 @@ +// Max (and fixed-amount invoices) fill the amount field in the unit it is +// showing: in fiat that is money to the cent, floored so a filled-in maximum +// never parses back to more sats than were offered — not a BTC figure under a +// CAD label (2026-10-08: Max on an ark recipient filled 0.00004978 'CAD'). +// Run: bun tools/amount-field-unit-test.js +import assert from 'node:assert/strict'; +import puppeteer from './puppeteer.js'; + +const bundle = await Bun.build({ entrypoints: ['src/app.js'], target: 'browser', minify: true, + plugins: [{ name: 'amount-field-test', setup(build) { + build.onLoad({ filter: /src\/app\.js$/ }, async ({ path }) => ({ loader: 'js', contents: await Bun.file(path).text() + ` +window.amtApp = { ctx, toggleUnit, get unit() { return unit; } }; +` })); + build.onLoad({ filter: /src\/video-compress\.js$/ }, () => ({ loader: 'js', contents: 'export async function compressVideo(f) { return f; }' })); + } }] }); +assert(bundle.success, bundle.logs.join('\n')); +const html = `
`; +const server = Bun.serve({ port: 0, fetch: (req) => new URL(req.url).pathname === '/' + ? new Response(html, { headers: { 'Content-Type': 'text/html' } }) : new Response(null, { status: 404 }) }); +const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: true, args: ['--no-sandbox'] }); +try { + const page = await browser.newPage(), errors = []; + page.on('pageerror', (e) => errors.push(e.message)); + await page.setRequestInterception(true); + page.on('request', (r) => r.url().startsWith(server.url.origin) ? r.continue() : r.abort()); + await page.evaluateOnNewDocument(() => { + localStorage.setItem('btc-wallet-network', 'regtest'); + localStorage.setItem('btc-wallet-unit', 'fiat'); + localStorage.setItem('btc-wallet-currency', 'CAD'); + localStorage.setItem('btc-wallet-rates', JSON.stringify({ CAD: 150000, USD: 110000 })); + }); + await page.goto(server.url.href, { waitUntil: 'domcontentloaded' }); + await page.waitForFunction(() => window.amtApp); + const r = await page.evaluate(() => { + const { ctx } = amtApp; + const out = { unit: amtApp.unit, fiat: ctx.amountField(62212), back: ctx.parseAmount(ctx.amountField(62212), 'fiat') }; + while (amtApp.unit !== 'sats') amtApp.toggleUnit(); + out.sats = ctx.amountField(62212); + amtApp.toggleUnit(); out.btc = ctx.amountField(62212); + return out; + }); + console.log(r); + assert.equal(r.unit, 'fiat'); + assert.equal(r.fiat, '93.31', '62,212 sats at 150,000 CAD/BTC = 93.318 → floored to 93.31'); + assert(r.back <= 62212 && r.back > 62200, 'parses back to at most the maximum'); + assert.equal(r.sats, '62212'); + assert.equal(r.btc, '0.00062212'); + assert.deepEqual(errors, []); + console.log('✅ amount fills follow the display unit'); +} finally { await browser.close(); server.stop(true); } -- cgit v1.2.3