csa-rwa-solidity/admin-en.html at main · ecolab-web3/csa-rwa-solidity · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSA Admin Panel</title>
    <script src="https://cdn.jsdelivr.net/npm/ethers@5.7.2/dist/ethers.umd.min.js"></script>
    <style>
        body { font-family: sans-serif; max-width: 700px; margin: 2em auto; padding: 1em; border: 1px solid #ccc; border-radius: 8px; }
        button { font-size: 1em; padding: 0.5em 1em; cursor: pointer; border-radius: 4px; border: 1px solid #007bff; background-color: #007bff; color: white; margin-top: 10px; }
        button:disabled { background-color: #ccc; border-color: #ccc; cursor: not-allowed; }
        input { font-size: 1em; padding: 0.5em; width: 95%; margin-bottom: 10px; }
        label { display: block; margin-bottom: 5px; font-weight: bold; }
        #status { margin-top: 1em; padding: 0.5em; background-color: #f0f0f0; border-radius: 4px; word-break: break-all; }
        .error-message { color: #d9534f; }
        .success-message { color: #5cb85c; }
    </style>
</head>
<body>
    <h1>CSA (Community Supported Agriculture) Admin Panel</h1>
    <p>Use this page to manage your contract and create new seasons.</p>

    <button id="connectButton">Connect as Administrator</button>
    <hr>

    <div id="adminPanel" style="display:none;">
        <h2>Create New Season</h2>
        <form id="seasonForm">
            <div>
                <label for="seasonName">Season Name:</label>
                <input type="text" id="seasonName" required placeholder="E.g., Winter Harvest 2024">
            </div>
            <div>
                <label for="seasonPrice">Share Price (in AVAX):</label>
                <input type="text" id="seasonPrice" required placeholder="E.g., 1.5">
            </div>
            <div>
                <label for="seasonCapacity">Capacity (Number of Members):</label>
                <input type="number" id="seasonCapacity" required placeholder="E.g., 100">
            </div>
            <div>
                <label for="seasonDuration">Duration (in weeks):</label>
                <input type="number" id="seasonDuration" required placeholder="E.g., 12">
            </div>
            <button type="submit" id="createSeasonButton">Create Season</button>
        </form>
    </div>

    <div id="accessDenied" style="display:none;">
        <h2 class="error-message">Access Denied</h2>
        <p>The connected wallet is not the owner of this contract. Only the administrator can access this page.</p>
    </div>

    <div id="status">Please connect your wallet to continue...</div>

    <script>
        const connectButton = document.getElementById('connectButton');
        const statusDiv = document.getElementById('status');
        const adminPanel = document.getElementById('adminPanel');
        const accessDenied = document.getElementById('accessDenied');
        const seasonForm = document.getElementById('seasonForm');
        const createSeasonButton = document.getElementById('createSeasonButton');

        // Form inputs
        const seasonNameInput = document.getElementById('seasonName');
        const seasonPriceInput = document.getElementById('seasonPrice');
        const seasonCapacityInput = document.getElementById('seasonCapacity');
        const seasonDurationInput = document.getElementById('seasonDuration');

        const contractAddress = "0x1c96D0701B1bd9c3CC24fAcca3A4d68ED8Bfb1AF";

        const contractABI = [
            "function createNewSeason(string name, uint256 price, uint256 capacity, uint256 durationInWeeks)",
            "function owner() view returns (address)"
        ];

        let provider, signer, contract;

        connectButton.addEventListener('click', async () => {
            if (typeof window.ethereum !== 'undefined') {
                try {
                    // Request connection to MetaMask
                    await window.ethereum.request({ method: 'eth_requestAccounts' });
                    provider = new ethers.providers.Web3Provider(window.ethereum);
                    signer = provider.getSigner();
                    contract = new ethers.Contract(contractAddress, contractABI, signer);
                    const userAddress = await signer.getAddress();
                    const contractOwner = await contract.owner();

                    connectButton.style.display = 'none';

                    // SECURITY LOGIC
                    if (userAddress.toLowerCase() === contractOwner.toLowerCase()) {
                        statusDiv.textContent = `Administrator connected: ${userAddress.substring(0, 6)}...`;
                        adminPanel.style.display = 'block';
                    } else {
                        statusDiv.textContent = `Connected wallet is not the admin: ${userAddress.substring(0, 6)}...`;
                        accessDenied.style.display = 'block';
                    }
                } catch (error) {
                    statusDiv.textContent = `Error connecting: ${error.message}`;
                }
            } else {
                statusDiv.textContent = "MetaMask not found!";
            }
        });

        seasonForm.addEventListener('submit', async (event) => {
            // Prevents the default page reload
            event.preventDefault();

            const name = seasonNameInput.value;
            const price = seasonPriceInput.value;
            const capacity = seasonCapacityInput.value;
            const duration = seasonDurationInput.value;

            if (!name || !price || !capacity || !duration) {
                statusDiv.textContent = "Please fill out all fields.";
                return;
            }

            try {
                // Converts the price from AVAX to Wei
                const priceInWei = ethers.utils.parseEther(price);

                createSeasonButton.disabled = true;
                statusDiv.innerHTML = `<span class="success-message">Sending transaction... Please confirm in your wallet.</span>`;

                const tx = await contract.createNewSeason(name, priceInWei, capacity, duration);
                statusDiv.textContent = `Transaction sent! Awaiting mining... Hash: ${tx.hash}`;

                await tx.wait();

                statusDiv.innerHTML = `<span class="success-message">Success! New season "${name}" has been created!</span>`;
                createSeasonButton.disabled = false;
                seasonForm.reset(); // Clears the form

            } catch (error) {
                console.error(error);
                statusDiv.innerHTML = `<span class="error-message">Error creating season: ${error.reason || error.message}</span>`;
                createSeasonButton.disabled = false;
            }
        });
    </script>
</body>
</html>