tatum-hackthon/index.html at main · anabelle666/tatum-hackthon · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Tatum Hackathon Demo: Simple On-Chain Wallet Tracker</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <style>
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            font-family: 'Inter', sans-serif;
            min-height: 100vh;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .hero-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        .btn {
            background: linear-gradient(45deg, #ff6b35, #f7931e);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            transition: transform 0.3s;
        }
        .btn:hover {
            transform: scale(1.05);
        }
        .balance-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .error-msg {
            color: #dc3545;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem;
            }
            .hero-image img {
                height: 200px;
                object-fit: cover;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <header class="text-center mb-8">
            <div class="hero-image mb-6">
                <img src="https://storage.googleapis.com/workspace-0f70711f-8b4e-4d94-86f1-2a93ccde5887/image/cd5212ff-166d-4457-a8e2-b5f204d73724.png" alt="Blockchain dashboard" />
            </div>
            <h1 class="text-4xl font-bold text-gray-800 mb-2">Tatum Hackathon Demo</h1>
            <p class="text-xl text-gray-600">Simple On-Chain Wallet Tracker using Tatum APIs</p>
            <p class="text-sm text-gray-500 mt-2">This app checks wallet balances on supported chains (e.g., Bitcoin, Ethereum). Built with HTML, CSS, JS, and Tatum API integration for the hackathon.</p>
        </header>

        <section id="wallet-form" class="mb-8">
            <h2 class="text-2xl font-semibold mb-4">Enter Wallet Details</h2>
            <div class="flex flex-col md:flex-row gap-4">
                <select id="chain-select" class="p-3 border rounded-lg flex-1">
                    <option value="bitcoin-mainnet">Bitcoin (Mainnet)</option>
                    <option value="ethereum-mainnet">Ethereum (Mainnet)</option>
                    <option value="polygon-mainnet">Polygon (Mainnet)</option>
                </select>
                <input type="text" id="wallet-address" placeholder="Enter wallet address" class="p-3 border rounded-lg flex-1" required />
                <button id="check-balance" class="btn flex-shrink-0">Check Balance</button>
            </div>
            <p class="text-xs text-gray-400 mt-2">Note: This app now uses your mainnet API key for live functionality.</p>
        </section>

        <section id="balance-result" class="balance-card hidden">
            <h3 class="text-xl font-semibold mb-4">Wallet Balance</h3>
            <div id="balance-info">
                <p><strong>Address:</strong> <span id="address-display"></span></p>
                <p><strong>Chain:</strong> <span id="chain-display"></span></p>
                <p><strong>Balance:</strong> <span id="balance-amount">Loading...</span></p>
            </div>
            <div id="error-message" class="error-msg mt-4 hidden"></div>
        </section>

        <footer class="mt-8 text-center text-gray-600">
            <p>Get your free Tatum API key from <a href="https://dashboard.tatum.io" class="text-blue-500 underline" target="_blank">dashboard.tatum.io</a></p>
            <p>Join the <a href="https://discord.gg/tatum" class="text-purple-500 underline" target="_blank">Discord</a> for support.</p>
        </footer>
    </div>

    <script>
        const apiKey = 't-68bbc8b2df17eb0844ef69a8-7421ff274a3a4a3884990a06'; // <-- Your Tatum mainnet API key

        const checkBalanceBtn = document.getElementById('check-balance');
        const balanceResult = document.getElementById('balance-result');
        const errorMsg = document.getElementById('error-message');
        const addressDisplay = document.getElementById('address-display');
        const chainDisplay = document.getElementById('chain-display');
        const balanceAmount = document.getElementById('balance-amount');
        const walletAddress = document.getElementById('wallet-address');
        const chainSelect = document.getElementById('chain-select');

        checkBalanceBtn.addEventListener('click', async () => {
            const address = walletAddress.value.trim();
            const chain = chainSelect.value;

            if (!address) {
                showError('Please enter a valid wallet address.');
                return;
            }

            balanceResult.classList.add('hidden');
            errorMsg.classList.add('hidden');

            try {
                balanceAmount.textContent = 'Loading...';

                let balanceUrl = '';
                if (chain === 'bitcoin-mainnet') {
                    balanceUrl = `https://api.tatum.io/v3/bitcoin/address/balance/${address}`;
                } else if (chain === 'ethereum-mainnet') {
                    balanceUrl = `https://api.tatum.io/v3/ethereum/address/balance/${address}`;
                } else if (chain === 'polygon-mainnet') {
                    balanceUrl = `https://api.tatum.io/v3/polygon/address/balance/${address}`;
                } else {
                    showError('Unsupported chain selected.');
                    return;
                }

                const response = await fetch(balanceUrl, {
                    method: 'GET',
                    headers: {
                        'x-api-key': apiKey
                    }
                });

                if (!response.ok) {
                    throw new Error('Failed to fetch balance. Check address and try again.');
                }

                const data = await response.json();
                const balance = data.balance ? `${data.balance} Wei/Satoshis` : '0';

                addressDisplay.textContent = address;
                chainDisplay.textContent = chain;
                balanceAmount.textContent = balance;
                balanceResult.classList.remove('hidden');
            } catch (error) {
                showError(error.message);
            }
        });

        function showError(message) {
            errorMsg.textContent = message;
            errorMsg.classList.remove('hidden');
            balanceResult.classList.add('hidden');
        }
    </script>
</body>
</html>
</content>
</create_file>