from-friends.github.io/live.html at main · from-friends/from-friends.github.io · 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>Real-Time objkt.com Events</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #1a1a1a;
            color: #e0e0e0;
            margin: 0;
            padding: 20px;
            line-height: 1.6;
        }
        #app {
            max-width: 800px;
            margin: 0 auto;
        }
        h1 {
            color: #ffffff;
            text-align: center;
            border-bottom: 2px solid #444;
            padding-bottom: 10px;
        }
        #status-bar {
            text-align: center;
            padding: 10px;
            margin-bottom: 20px;
            border-radius: 6px;
            font-weight: bold;
            transition: background-color 0.3s ease;
        }
        .status-connecting { background-color: #4a3d0b; color: #ffd966; }
        .status-connected { background-color: #1e4d2b; color: #a7f3d0; }
        .status-disconnected { background-color: #5c2121; color: #fca5a5; }
        .status-polling { background-color: #1e3a8a; color: #93c5fd; }
        #listings-log {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .listing-card {
            background-color: #2b2b2b;
            border: 1px solid #444;
            border-radius: 8px;
            padding: 15px 20px;
            animation: fadeIn 0.5s ease-in-out;
        }
        .listing-card p {
            margin: 5px 0;
        }
        .listing-card strong {
            color: #bb86fc;
        }
        .listing-card code {
            background-color: #3a3a3a;
            padding: 2px 5px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #ccc;
        }
        .listing-card a {
            color: #03dac6;
            text-decoration: none;
            font-weight: bold;
        }
        .listing-card a:hover {
            text-decoration: underline;
        }
        .error-message {
            background-color: #5c2121;
            border: 1px solid #dc2626;
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 20px;
            color: #fca5a5;
        }
        .retry-button {
            background-color: #1e40af;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 4px;
            cursor: pointer;
            margin-left: 10px;
        }
        .retry-button:hover {
            background-color: #1d4ed8;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
    </style>
    <script src="https://www.gstatic.com/cast/sdk/libs/caf_receiver/v3/cast_receiver_framework.js"></script>
    <!-- Cast Debug Logger -->
    <script src="https://www.gstatic.com/cast/sdk/libs/devtools/debug_layer/caf_receiver_logger.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/microsoft-signalr/6.0.1/signalr.min.js"></script>
</head>
<body>
    <div id="app">
        <h1>Real-Time objkt.com Events</h1>
        <div id="status-bar" class="status-connecting">Initializing...</div>
        <div id="error-container"></div>

        <h2>Listings & Sales</h2>
        <div id="listings-log">
            <!-- New listings will be added here by JavaScript -->
        </div>

        <h2 style="margin-top: 40px;">Mints</h2>
        <div id="mints-log">
            <!-- New mints will be added here by JavaScript -->
        </div>
    </div>
    <script>
        document.addEventListener('DOMContentLoaded', () => {
            // Check if the receiver is running on a real Chromecast device.
            // The Chromecast user agent contains the string 'CrKey'.
            if (!/CrKey/.test(navigator.userAgent)) {
                document.body.innerHTML = `
                    <div style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #121212; color: #e0e0e0; display: flex; justify-content: center; align-items: center; text-align: center; font-family: sans-serif;">
                        <div style="max-width: 600px; padding: 20px;">
                            <h1 style="color: #FF5722;">This is a Chromecast Receiver</h1>
                            <p style="font-size: 1.2em;">This page is not meant to be opened directly in your browser.</p>
                            <p>To view this application, you must launch it from the sender page on a real Chromecast device.</p>
                            <p style="margin-top: 30px; font-size: 1.1em;">
                                1. Make sure your local server is running.<br/>
                                2. Open <strong style="color: #FF5722;">sender.html</strong> in your Chrome browser.<br/>
                                3. Click the Cast icon and select your device.
                            </p>
                        </div>
                    </div>
                `;
                // Stop the script to prevent errors.
                return;
            }

            const context = cast.framework.CastReceiverContext.getInstance();
            const playerManager = context.getPlayerManager();

            // Debug Logger
            const castDebugLogger = cast.debug.CastDebugLogger.getInstance();
            const LOG_TAG = 'ArtCastReceiver';

            castDebugLogger.setEnabled(true);
            castDebugLogger.loggerLevelByTags = {
                [LOG_TAG]: cast.framework.LoggerLevel.DEBUG,
            };

            const namespace = 'urn:x-cast:com.google.cast.sample.artcast';
            context.addCustomMessageListener(namespace, (customEvent) => {
                castDebugLogger.info(LOG_TAG, `Message from sender: ${JSON.stringify(customEvent.data)}`);
                // You can handle messages from the sender here.
                // For example, you could change the contract address to watch.
            });

            context.start({
                statusText: "ArtCast Receiver is ready."
            });

            context.addEventListener(cast.framework.system.EventType.READY, () => {
                castDebugLogger.info(LOG_TAG, 'Receiver is ready.');
                // Start the main application logic once the receiver is ready
                connect();
            });

             context.addEventListener(cast.framework.system.EventType.SENDER_CONNECTED, (event) => {
                castDebugLogger.info(LOG_TAG, `Sender connected: ${event.senderId}`);
            });

            context.addEventListener(cast.framework.system.EventType.SENDER_DISCONNECTED, (event) => {
                castDebugLogger.info(LOG_TAG, `Sender disconnected: ${event.senderId}`);
                // If the last sender disconnects, you might want to stop the app.
                if (context.getSenders().length === 0) {
                    // window.close(); // This will close the receiver app
                }
            });
        });

        // --- Configuration ---
        const TZKT_API_URL = "https://api.tzkt.io/v1/events";
        const OBJKT_MARKETPLACE_CONTRACT = "KT1WvzYHCNBvDSdwafTHv7nJ1dWmZ8GCYuuC";
        // Entrypoints to monitor on the marketplace contract
        const MARKETPLACE_ENTRYPOINTS = ["ask", "fulfill_ask", "bid", "fulfill_bid", "retract_ask", "retract_bid"];
        const MINT_ENTRYPOINT = "mint";


        // --- DOM Element References ---
        const statusBar = document.getElementById('status-bar');
        const listingsLog = document.getElementById('listings-log');
        const errorContainer = document.getElementById('error-container');
        const mintsLog = document.getElementById('mints-log');

        // --- SignalR Logic ---
        let connection;

        async function connect() {
            updateStatus('Connecting...', 'status-connecting');

            connection = new signalR.HubConnectionBuilder()
                .withUrl(TZKT_API_URL)
                .withAutomaticReconnect()
                .build();

            connection.onreconnecting(error => {
                console.warn(`Connection lost due to error "${error}". Reconnecting.`);
                updateStatus('Reconnecting...', 'status-connecting');
            });

            connection.onreconnected(connectionId => {
                console.log(`Connection re-established. Connected with connectionId "${connectionId}".`);
                updateStatus('Connected to TzKT WebSocket', 'status-connected');
            });

            connection.onclose(error => {
                console.error(`Connection closed. ${error ? `Error: ${error}` : ''}`);
                updateStatus('Disconnected. Will attempt to reconnect automatically...', 'status-disconnected');
            });

            connection.on('operations', (msg) => {
                try {
                    if (msg.type === 1 && msg.data) {
                        msg.data.forEach(op => {
                            if (op.type !== "transaction" || op.status !== "applied") {
                                return;
                            }

                            // Marketplace Events (List, Sale, etc.)
                            if (
                                op.target?.address === OBJKT_MARKETPLACE_CONTRACT &&
                                MARKETPLACE_ENTRYPOINTS.includes(op.parameter?.entrypoint)
                            ) {
                                console.log("New Marketplace Event:", op);
                                displayMarketplaceEvent(op);
                            }

                            // Mint Events
                            if (op.parameter?.entrypoint === MINT_ENTRYPOINT) {
                                console.log("New Mint Detected:", op);
                                displayNewMint(op);
                            }
                        });
                    }
                } catch (e) {
                    console.error("Error processing message:", e, msg);
                }
            });

            try {
                await connection.start();
                console.log("SignalR Connection successful!");
                updateStatus('Connected to TzKT WebSocket', 'status-connected');

                // Subscribe to Marketplace
                await connection.invoke("SubscribeToOperations", {
                    address: OBJKT_MARKETPLACE_CONTRACT,
                    types: "transaction"
                });
                console.log(`Subscribed to marketplace contract: ${OBJKT_MARKETPLACE_CONTRACT}`);

                // Subscribe to Mints
                await connection.invoke("SubscribeToOperations", {
                    entrypoint: MINT_ENTRYPOINT,
                    types: "transaction"
                });
                console.log(`Subscribed to all '${MINT_ENTRYPOINT}' operations.`);


            } catch (err) {
                console.error("SignalR Connection failed: ", err);
                updateStatus('Connection failed. Retrying in 5 seconds...', 'status-disconnected');
                setTimeout(connect, 5000);
            }
        }

        // --- UI Update Functions ---
        function updateStatus(text, className) {
            statusBar.textContent = text;
            statusBar.className = '';
            statusBar.classList.add('status-bar', className);
        }

        function showError(message, isPermanent = false) {
            errorContainer.innerHTML = `
                <div class="error-message">
                    ⚠️ ${message}
                    ${!isPermanent ? '<button class="retry-button" onclick="retryConnection()">Retry Connection</button>' : ''}
                </div>
            `;
        }

        function clearError() {
            errorContainer.innerHTML = '';
        }

        function retryConnection() {
            connect();
        }

        function displayMarketplaceEvent(op) {
            try {
                const entrypoint = op.parameter?.entrypoint;
                let title = `✅ New Event: ${entrypoint}`;
                let details = '';
                const seller = op.sender.address;
                const timestamp = new Date(op.timestamp).toLocaleString();
                const tzktUrl = `https://tzkt.io/${op.hash}`;
                let objktUrl = `https://objkt.com/tx/${op.hash}`; // Default to transaction link

                switch(entrypoint) {
                    case 'ask':
                        title = '✅ New Listing';
                        const askParams = op.parameter.value;
                        const priceMutez = parseInt(askParams.price);
                        const priceTez = priceMutez / 1_000_000;
                        const fa2Contract = askParams.token.address;
                        const tokenId = askParams.token.token_id;
                        objktUrl = `https://objkt.com/asset/${fa2Contract}/${tokenId}`; // More specific link
                        details = `
                            <p><strong>Seller:</strong> <code>${seller}</code></p>
                            <p><strong>Price:</strong> ${priceTez.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 6 })} tez</p>
                        `;
                        break;
                    case 'fulfill_ask':
                        title = '🔥 Sale';
                         details = `
                            <p><strong>Buyer:</strong> <code>${seller}</code></p>
                            <p>A listing was fulfilled.</p>
                        `;
                        break;
                    default:
                        // Generic display for other entrypoints
                        details = `<p><strong>Sender:</strong> <code>${seller}</code></p>`;
                        break;
                }

                const card = document.createElement('div');
                card.classList.add('listing-card');
                card.innerHTML = `
                    <p><strong>${title}</strong> <small>${timestamp}</small></p>
                    ${details}
                     <p>
                        <a href="${objktUrl}" target="_blank" rel="noopener noreferrer">View on objkt.com</a> |
                        <a href="${tzktUrl}" target="_blank" rel="noopener noreferrer">View on TzKT</a>
                    </p>
                `;

                listingsLog.prepend(card);

                if (listingsLog.children.length > 50) {
                    listingsLog.removeChild(listingsLog.lastChild);
                }
            } catch (e) {
                console.error("Failed to parse and display marketplace event:", e, op);
            }
        }

        function displayNewMint(op) {
             try {
                const minter = op.sender.address;
                const contract = op.target.address;
                const timestamp = new Date(op.timestamp).toLocaleString();
                const tzktUrl = `https://tzkt.io/${op.hash}`;
                let objktUrl = `https://objkt.com/tx/${op.hash}`; // Default to tx link

                // Try to find token_id to build a direct asset link
                const tokenId = op.parameter?.value?.token_id;
                if (tokenId !== undefined) {
                    objktUrl = `https://objkt.com/asset/${contract}/${tokenId}`;
                }

                const card = document.createElement('div');
                card.classList.add('listing-card');
                card.innerHTML = `
                    <p><strong>🌱 New Mint!</strong> <small>${timestamp}</small></p>
                    <p><strong>Minter:</strong> <code>${minter}</code></p>
                    <p><strong>Contract:</strong> <code>${contract}</code></p>
                     <p>
                        <a href="${objktUrl}" target="_blank" rel="noopener noreferrer">View on objkt.com</a> |
                        <a href="${tzktUrl}" target="_blank" rel="noopener noreferrer">View on TzKT</a>
                     </p>
                `;

                mintsLog.prepend(card);

                if (mintsLog.children.length > 50) {
                    mintsLog.removeChild(mintsLog.lastChild);
                }
            } catch (e) {
                console.error("Failed to parse and display mint:", e, op);
            }
        }

        // --- Initial Call ---
        // We will now call connect() when the cast receiver is ready.
        // document.addEventListener('DOMContentLoaded', connect);
    </script>
</body>
</html>