jadetime/index.html at main · mamolas/jadetime · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Jade Time QR Generator</title>
  <style>
    body { font-family: sans-serif; text-align: center; margin-top: 2em; }
    canvas { margin: 1em 0; }
    pre { background: #f4f4f4; padding: 1em; border-radius: 5px; display: inline-block; }
  </style>
  <script src="https://cdn.jsdelivr.net/npm/cbor-js@0.1.0/cbor.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/qrious@4.0.2/dist/qrious.min.js"></script>
</head>
<body>
  <h1>Jade Time QR</h1>
  <canvas id="qr"></canvas>
  <p>BC-UR string (scan with Jade):</p>
  <pre id="ur"></pre>
  <script>
    function toUR(type, cborBytes) {
      let hex = "";
      for (let b of cborBytes) hex += b.toString(16).padStart(2, "0");
      return `ur:${type}/${hex}`;
    }
    window.onload = function () {
      const now = Math.floor(Date.now() / 1000);
      const cborObj = {
        id: String(Math.floor(Math.random() * 1000000)),
        method: "set_epoch",
        params: { epoch: now }  // Fixed: changed from 'timestamp' to 'epoch'
      };
      // Convert ArrayBuffer to Uint8Array for iteration
      const cborData = new Uint8Array(CBOR.encode(cborObj));
      const urString = toUR("jade-msg", cborData);

      document.getElementById("ur").textContent = urString;

      new QRious({
        element: document.getElementById("qr"),
        value: urString,
        size: 256
      });
    };
  </script>
</body>
</html>