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<!DOCTYPE html>
<html lang="en" data-theme="dark">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sentinel Arbitrage Engine</title>
<!-- Pico.css for a clean, modern base -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css">
<!-- HTMX Core and the Server-Sent Events Extension -->
<script src="https://unpkg.com/[email protected]"></script>
<script src="https://unpkg.com/htmx.org/dist/ext/sse.js"></script>
<style>
:root {
--pico-font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
--pico-font-size: 14px;
--pico-color-green-400: #34D399;
--pico-color-red-400: #F87171;
--pico-color-amber-400: #FBBF24;
}
body {
background-color: #111927;
}
.container {
max-width: 1280px;
margin: 1.5rem auto;
padding: 0 1rem;
}
header {
text-align: center;
margin-bottom: 1.5rem;
}
h1 {
color: #38BDF8;
margin-bottom: 0;
font-weight: 600;
}
table {
width: 100%;
border-collapse: separate;
border-spacing: 0;
}
th {
background-color: #374151;
text-align: left;
}
td, th {
padding: 0.75rem 1rem;
border-bottom: 1px solid #374151;
white-space: nowrap;
}
tbody tr:hover {
background-color: #1f2937;
}
tbody tr:first-child {
/* Animation for newly added rows */
animation: fadeIn 0.7s ease-out;
}
.buy { color: var(--pico-color-green-400); }
.sell { color: var(--pico-color-red-400); }
.risk-low { color: var(--pico-color-green-400); }
.risk-medium { color: var(--pico-color-amber-400); }
.risk-high { color: var(--pico-color-red-400); }
.trade-btn {
--pico-font-size: 12px;
--pico-padding: 0.5rem 0.75rem;
width: 100%;
white-space: normal;
text-align: left;
background-color: #4b5563;
border-color: #4b5563;
}
.status-bar {
font-size: 12px;
color: #9CA3AF;
text-align: right;
margin-bottom: 1rem;
}
@keyframes fadeIn {
from { background-color: rgba(52, 211, 153, 0.2); }
to { background-color: transparent; }
}
</style>
</head>
<!-- Initialize the SSE extension for the entire page -->
<body hx-ext="sse" sse-connect="/api/signals/stream">
<main class="container">
<header>
<h1>Sentinel Arbitrage Engine</h1>
</header>
<div class="status-bar">
Engine Status: <span style="color: #34D399;">ONLINE</span> | Last Signal: <span id="last-update-time">--:--:--</span>
</div>
<article data-theme="dark" style="padding: 0; overflow-x: auto;">
<table>
<thead>
<tr>
<th>Pair</th>
<th>Oracle 1 (Pyth)</th>
<th>Oracle 2 (Chainlink Agg.)</th>
<th>Discrepancy</th>
<th>Risk Assessment</th>
<th>Rationale</th>
<th>Suggested Strategy</th>
</tr>
</thead>
<tbody id="opportunities-table">
<!-- New arbitrage opportunities will be inserted here by HTMX -->
<tr id="placeholder-row">
<td colspan="7" style="text-align:center; padding: 2rem; color: #9CA3AF;">
Monitoring for On-Chain/Off-Chain price discrepancies...
</td>
</tr>
</tbody>
</table>
</article>
</main>
<script>
// This simple listener removes the "Monitoring..." placeholder
// as soon as the very first signal arrives from the server.
document.body.addEventListener('htmx:sseMessage', function(evt) {
const placeholder = document.getElementById('placeholder-row');
if (placeholder) {
placeholder.remove();
}
});
</script>
</body>
</html>