cold-wallet-generator/ecash.html at main · expatjedi/cold-wallet-generator · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>eCash Cold Wallet Generator</title>
  <meta name="description" content="A lightweight, client-side, reliable, fast, open-source universal cold wallet generator supporting almost every major cryptocurrency">
  <meta name="keywords" content="ecash, xec, cold, wallet, generator, bip39, bip44, mnemonic">
  <meta name="viewport" content="width=device-width,initial-scale=1">
  <link rel="stylesheet" href="css/style2.css">
  <script src="js/bitcoinjs-lib.js"></script>
  <script src="js/bip39.min.js"></script>
  <script src="js/qrcode.js"></script>
</head>
<body onload="generate()">
  <div class="container">
    <h1>eCash Cold Wallet</h1>
    <div class="button-group">
      <button onclick="window.location.href='index.html'">Home</button>
      <button onclick="generate()">Generate</button>
      <button onclick="window.print()">Print</button>
    </div>
    <div class="info-box">
      <label>Public Address (SHARE)</label>
      <span id="public">Click Generate to create wallet</span>
      <div id="public_qr" class="qr-code"></div>
    </div>
    <div class="info-box">
      <label>Mnemonic Seed (SECRET)</label>
      <span id="secret">Click Generate to create wallet</span>
      <div id="secret_qr" class="qr-code"></div>
    </div>
  </div>
  <script>
    function generate() {
      if (typeof bip39 === "undefined" || typeof bitcoin === "undefined") {
        alert("bip39 and bitcoinjs-lib are required!");
        return;
      }
      const ecash = {
        messagePrefix: '\x19eCash Signed Message:\n',
        bech32: '',
        bip32: { public: 0x0488B21E, private: 0x0488ADE4 },
        pubKeyHash: 0x00,
        scriptHash: 0x05,
        wif: 0x80
      };
      // BIP44 coin type for eCash is 899
      const mnemonic = bip39.generateMnemonic(256);
      const seed = bip39.mnemonicToSeedSync(mnemonic);
      const root = bitcoin.bip32.fromSeed(seed, ecash);
      const child = root.derivePath("m/44'/899'/0'/0/0");
      const { address } = bitcoin.payments.p2pkh({ pubkey: child.publicKey, network: ecash });
      document.getElementById("public").textContent = address;
      document.getElementById("secret").textContent = mnemonic;
      document.getElementById("public_qr").innerHTML = "";
      document.getElementById("secret_qr").innerHTML = "";
      new QRCode(document.getElementById("public_qr"), {
        text: address, width: 100, height: 100, colorDark: "#e0e0e0", colorLight: "#1e1e1e", correctLevel: QRCode.CorrectLevel.H
      });
      new QRCode(document.getElementById("secret_qr"), {
        text: mnemonic, width: 100, height: 100, colorDark: "#e0e0e0", colorLight: "#1e1e1e", correctLevel: QRCode.CorrectLevel.H
      });
    }
  </script>
</body>
</html>