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

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Dash 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="minimal, reliable, fast, universal, cold, wallet, generator, offline, dash, cryptocurrency">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="css/style2.css">
</head>

<body onload="generate()">
    <div class="container">
        <h1>Dash 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 src="js/bitcoinjs-lib.js"></script>
    <script src="js/bip39.min.js"></script>
    <script src="js/qrcode.js"></script>
    <script>
        async function generate() {
            // Generate a 12-word mnemonic
            const mnemonic = bip39.generateMnemonic(256);

            // Derive seed from mnemonic
            const seed = await bip39.mnemonicToSeed(mnemonic);

            // Dash network params
            const dash = bitcoin.networks.bitcoin;
            dash.pubKeyHash = 0x4c;
            dash.wif = 0xcc;
            dash.scriptHash = 0x10;

            // Derive root and first account: m/44'/5'/0'/0/0 (Dash BIP44)
            const root = bitcoin.bip32.fromSeed(seed, dash);
            const child = root.derivePath("m/44'/5'/0'/0/0"); // Dash coin_type is 5

            const { address } = bitcoin.payments.p2pkh({ pubkey: child.publicKey, network: dash });

            const publicElem = document.getElementById("public");
            const mnemonicElem = document.getElementById("secret");
            const publicQRElem = document.getElementById("public_qr");
            const mnemonicQRElem = document.getElementById("secret_qr");

            if (publicElem && mnemonicElem && publicQRElem && mnemonicQRElem) {
                publicElem.textContent = address;
                mnemonicElem.textContent = mnemonic;

                publicQRElem.innerHTML = "";
                mnemonicQRElem.innerHTML = "";

                new QRCode(publicQRElem, {
                    text: address,
                    width: 100,
                    height: 100,
                    colorDark: "#e0e0e0",
                    colorLight: "#1e1e1e",
                    correctLevel: QRCode.CorrectLevel.H
                });
                new QRCode(mnemonicQRElem, {
                    text: mnemonic,
                    width: 100,
                    height: 100,
                    colorDark: "#e0e0e0",
                    colorLight: "#1e1e1e",
                    correctLevel: QRCode.CorrectLevel.H
                });
            }
        }
    </script>
</body>

</html>