[{"role": "user", "content": "Go beaconchain Ethereum BLS html grafana"}, {"role": "assistant", "content": "Here is a complete, standalone HTML dashboard that visualizes Ethereum Beacon Chain BLS (BLS12-381) data using **Grafana-compatible** styling principles (dark theme, clean metrics) and fetches live data from the **Ethereum Beaconcha.in API**.\n\n### Features:\n1. **Live Metrics:** Validator count, ETH staked, Average BLS PubKey length, and Epoch status.\n2. **BLS Specifics:** Shows the current Epoch, Slot, and Aggregate Signature stats.\n3. **Visuals:** Uses Chart.js for a simulated \"Block Proposals\" graph (since raw historical BLS data is heavy, this shows a representative pattern).\n4. **Dark Mode:** Styled to look like a professional Grafana panel.\n\n### How to use:\n1. Save the code below as `beacon-bls-dashboard.html`.\n2. Open it in any web browser.\n3. It pulls live data from `beaconcha.in`'s public API.\n\n```html\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n <title>Ethereum Beacon Chain BLS Monitor</title>\n <!-- Chart.js for Graphing -->\n <script src=\"https://cdn.jsdelivr.net/npm/chart.js\"></script>\n <style>\n :root {\n --bg-color: #1e1e1e;\n --panel-bg: #2a2a2a;\n --text-primary: #e0e0e0;\n --text-secondary: #a0a0a0;\n --accent-blue: #0d6efd;\n --accent-purple: #6f42c1;\n --accent-green: #28a745;\n --border-color: #444;\n }\n\n body {\n font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;\n background-color: var(--bg-color);\n color: var(--text-primary);\n margin: 0;\n padding: 20px;\n }\n\n .dashboard-container {\n max-width: 1200px;\n margin: 0 auto;\n }\n\n header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 20px;\n border-bottom: 1px solid var(--border-color);\n padding-bottom: 10px;\n }\n\n h1 {\n margin: 0;\n font-size: 1.5rem;\n color: var(--accent-blue);\n }\n\n .status-badge {\n background-color: var(--accent-green);\n color: white;\n padding: 4px 8px;\n border-radius: 4px;\n font-size: 0.8rem;\n font-weight: bold;\n }\n\n /* Grid Layout */\n .grid {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));\n gap: 20px;\n margin-bottom: 20px;\n }\n\n .card {\n background-color: var(--panel-bg);\n border-radius: 8px;\n padding: 20px;\n box-shadow: 0 4px 6px rgba(0,0,0,0.3);\n border: 1px solid var(--border-color);\n }\n\n .card-title {\n color: var(--text-secondary);\n font-size: 0.9rem;\n text-transform: uppercase;\n letter-spacing: 1px;\n margin-bottom: 10px;\n }\n\n .metric-value {\n font-size: 2rem;\n font-weight: bold;\n color: var(--text-primary);\n }\n\n .metric-sub {\n font-size: 0.85rem;\n color: var(--accent-green);\n margin-top: 5px;\n }\n\n /* Full Width Card */\n .full-width {\n grid-column: 1 / -1;\n }\n\n /* Table Styles */\n table {\n width: 100%;\n border-collapse: collapse;\n margin-top: 10px;\n }\n\n th, td {\n text-align: left;\n padding: 12px;\n border-bottom: 1px solid var(--border-color);\n }\n\n th {\n color: var(--text-secondary);\n font-weight: 600;\n }\n\n tr:hover {\n background-color: #333;\n }\n\n .hash-cell {\n font-family: monospace;\n color: var(--accent-purple);\n cursor: pointer;\n }\n\n .hash-cell:hover {\n text-decoration: underline;\n }\n\n /* Loader */\n .loader {\n text-align: center;\n padding: 20px;\n color: var(--text-secondary);\n }\n\n /* Responsive */\n @media (max-width: 768px) {\n .grid {\n grid-template-columns: 1fr;\n }\n }\n </style>\n</head>\n<body>\n\n<div class=\"dashboard-container\">\n <header>\n <h1>Ethereum Beacon Chain <span style=\"color:var(--accent-purple)\">BLS</span> Monitor</h1>\n <div id=\"connection-status\" class=\"status-badge\">Connecting...</div>\n </header>\n\n <!-- Top Metrics Row -->\n <div class=\"grid\">\n <div class=\"card\">\n <div class=\"card-title\">Active Validators (BLS)</div>\n <div id=\"validator-count\" class=\"metric-value\">Loading...</div>\n <div class=\"metric-sub\">~<span id=\"eth-staked\">0</span> ETH Staked</div>\n </div>\n <div class=\"card\">\n <div class=\"card-title\">Current Epoch</div>\n <div id=\"current-epoch\" class=\"metric-value\">Loading...</div>\n <div class=\"metric-sub\">Slot: <span id=\"current-slot\">...</span></div>\n </div>\n <div class=\"card\">\n <div class=\"card-title\">Avg BLS PubKey Size</div>\n <div id=\"avg-pubkey-size\" class=\"metric-value\">96 bytes</div>\n <div class=\"metric-sub\">BLS12-381 Standard</div>\n </div>\n </div>\n\n <!-- Main Chart Area -->\n <div class=\"grid\">\n <div class=\"card full-width\">\n <div class=\"card-title\">Recent Block Proposals (BLS Signatures Verified)</div>\n <canvas id=\"proposalsChart\" height=\"100\"></canvas>\n </div>\n </div>\n\n <!-- Recent Blocks Table -->\n <div class=\"grid\">\n <div class=\"card full-width\">\n <div class=\"card-title\">Latest Attestations & Proposals</div>\n <table>\n <thead>\n <tr>\n <th>Slot</th>\n <th>Proposer</th>\n <th>BLS Signature</th>\n <th>Status</th>\n </tr>\n </thead>\n <tbody id=\"recent-blocks-body\">\n <tr>\n <td colspan=\"4\" class=\"loader\">Fetching latest beacon chain data...</td>\n </tr>\n </tbody>\n </table>\n </div>\n </div>\n</div>\n\n<script>\n // Configuration\n const API_BASE = 'https://beaconcha.in/api/v1';\n \n // DOM Elements\n const elValidatorCount = document.getElementById('validator-count');\n const elEthStaked = document.getElementById('eth-staked');\n const elEpoch = document.getElementById('current-epoch');\n const elSlot = document.getElementById('current-slot');\n const elStatus = document.getElementById('connection-status');\n const elTableBody = document.getElementById('recent-blocks-body');\n const ctx = document.getElementById('proposalsChart').getContext('2d');\n\n // State\n let chartInstance = null;\n\n // Initialize\n async function init() {\n try {\n await fetchStats();\n await fetchRecentBlocks();\n elStatus.textContent = \"Live\";\n elStatus.style.backgroundColor = \"var(--accent-green)\";\n } catch (error) {\n console.error(\"Fetch error:\", error);\n elStatus.textContent = \"Error\";\n elStatus.style.backgroundColor = \"red\";\n elValidatorCount.innerHTML = \"<small>API Limit/Offline</small>\";\n }\n }\n\n // Fetch Global Stats (Validators & Epoch)\n async", "model": "Qwen/Qwen3-30B-A3B-Instruct"}]
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