918d3bc31e
Backend: - Add configurable draw cycle settings (minutes/hourly/daily/weekly/custom) - Add CYCLE_TYPE, CYCLE_INTERVAL_*, CYCLE_DAILY_TIME, CYCLE_WEEKLY_* env vars - Add SALES_CLOSE_BEFORE_DRAW_MINUTES and CYCLES_TO_GENERATE_AHEAD - Fix SQLite parameter issue in scheduler Frontend: - Add 'Save This Link' section with copy button on ticket status page - Improve draw animation to show immediately when draw starts - Show 'Waiting for next round...' instead of 'Drawing Now!' after draw - Hide Buy Tickets button when waiting for next round - Skip draw animation if no tickets were sold - Keep winner screen open longer (15s) for next cycle to load - Auto-refresh to next lottery cycle after draw Telegram Bot: - Various improvements and fixes
29 lines
602 B
TypeScript
29 lines
602 B
TypeScript
import QRCode from 'qrcode';
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import { logger } from './logger';
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/**
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* Generate a QR code as a buffer from a Lightning invoice
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*/
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export async function generateQRCode(data: string): Promise<Buffer> {
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try {
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const buffer = await QRCode.toBuffer(data.toUpperCase(), {
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errorCorrectionLevel: 'M',
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type: 'png',
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margin: 2,
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width: 300,
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color: {
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dark: '#000000',
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light: '#FFFFFF',
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},
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});
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return buffer;
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} catch (error) {
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logger.error('Failed to generate QR code', { error });
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throw error;
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}
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}
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export default { generateQRCode };
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