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Tested locally and the automated tests pass. |
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Mar 24, 2026
<!DOCTYPE html>
<html lang="bn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Scthelpchain | Global Exchange & Charity</title>
<script src="https://cdn.jsdelivr.net/npm/web3@1.5.2/dist/web3.min.js"></script>
<style>
:root { --gold: #ffd700; --blue: #001a35; --light: #ffffff; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #000c18; color: var(--light); margin: 0; text-align: center; }
/* Header Section */
header { background: linear-gradient(135deg, #001a35, github#3366); padding: 50px 20px; border-bottom: 3px solid var(--gold); }
.logo-text { font-size: 32px; font-weight: bold; color: var(--gold); letter-spacing: 2px; }
/* Main Container */
.container { max-width: 900px; margin: -40px auto 50px; padding: 20px; }
.main-card { background: #001f3f; padding: 30px; border-radius: 25px; border: 1px solid rgba(255, 215, 0, 0.3); box-shadow: 0 10px 40px rgba(0,0,0,0.5); }
/* Buttons */
.btn { display: inline-block; background: var(--gold); color: #000; padding: 15px 30px; border-radius: 50px; font-weight: bold; text-decoration: none; border: none; cursor: pointer; font-size: 16px; transition: 0.3s; margin: 10px; }
.btn:hover { transform: scale(1.05); background: #e6c200; }
.btn-wallet { background: #f6851b; color: white; } /* MetaMask Color */
/* Exchange Box */
.exchange-box { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 30px 0; }
input { width: 100%; padding: 15px; border-radius: 10px; border: 1px solid github#333; background: #000c18; color: white; font-size: 18px; box-sizing: border-box; }
/* Charity Section */
.charity-banner { background: rgba(0, 255, 0, 0.1); border: 1px solid #00ff00; padding: 20px; border-radius: 15px; margin-top: 30px; }
.charity-amount { font-size: 28px; color: #00ff00; font-weight: bold; }
/* Address Box */
.address-box { background: #000; color: #00ff00; padding: 15px; border-radius: 10px; font-family: monospace; font-size: 14px; word-break: break-all; margin: 20px 0; border: 1px dashed var(--gold); }
</style>
</head>
<body>
<header>
<div class="logo-text">SCT HELPCHAIN</div>
<p>আন্তর্জাতিক ডিজিটাল এক্সচেঞ্জ ও মানবিক সহায়তা প্ল্যাটফর্ম</p>
<button class="btn btn-wallet" onclick="connectMetaMask()">🦊 Connect MetaMask</button>
</header>
<div class="container">
<div class="main-card">
<h2 style="color: var(--gold);">সরাসরি এক্সচেঞ্জ করুন</h2>
<p>নিরাপদ, দ্রুত এবং স্বচ্ছ ট্রানজ্যাকশন</p>
<div class="exchange-box">
<div>
<label>আপনি পাঠাবেন (USDT)</label>
<input type="number" id="usdtVal" placeholder="0.00" oninput="calculate()">
</div>
<div>
<label>আপনি পাবেন (BDT)</label>
<input type="text" id="bdtVal" readonly placeholder="0.00 BDT">
</div>
</div>
<div class="address-box">
<strong>আমাদের পেমেন্ট অ্যাড্রেস (BEP-20):</strong><br>
0x9fdb46c96240a185383e726b914c8d0437cc43cc
</div>
<button class="btn" style="width: 100%;" onclick="sendOrder()">এক্সচেঞ্জ রিকোয়েস্ট পাঠান</button>
<div class="charity-banner">
<h3>❤️ মানবিক অবদান</h3>
<p>আজকের সংগৃহীত চ্যারিটি ফান্ড (অসহায় শিশুদের জন্য):</p>
<div class="charity-amount">৳ ১২,৪৫০.০০ BDT</div>
<p style="font-size: 12px;">আপনার প্রতিটি লেনদেনের ১% সরাসরি আর্তমানবতার সেবায় ব্যয় হয়।</p>
</div>
</div>
</div>
<footer style="margin-bottom: 40px; color: github#666; font-size: 14px;">
© ২০২৬ Scthelpchain Global | মানবিকতায় আমরা এক সাথে
</footer>
<script>
// লাইভ রেট হিসাব
function calculate() {
const rate = 126.50; // আপনি চাইলে রেট পরিবর্তন করতে পারেন
const usdt = document.getElementById('usdtVal').value;
const bdtField = document.getElementById('bdtVal');
if(usdt > 0) {
bdtField.value = (usdt * rate).toLocaleString() + " BDT";
} else {
bdtField.value = "0.00 BDT";
}
}
// মেটামাস্ক কানেক্ট
async function connectMetaMask() {
if (window.ethereum) {
try {
const accounts = await ethereum.request({ method: 'eth_requestAccounts' });
alert("আপনার ওয়ালেট যুক্ত হয়েছে: " + accounts[0]);
} catch (err) {
alert("ওয়ালেট যুক্ত করা সম্ভব হয়নি।");
}
} else {
alert("দয়া করে MetaMask ব্রাউজার এক্সটেনশন ইনস্টল করুন।");
}
}
// অর্ডার পাঠানো
function sendOrder() {
const amt = document.getElementById('usdtVal').value;
const bdt = document.getElementById('bdtVal').value;
if(amt > 0) {
const msg = `আসসালামু আলাইকুম। আমি Scthelpchain থেকে ${amt} USDT এক্সচেঞ্জ করতে চাই। আমি পাবো: ${bdt}`;
window.open(`https://wa.me/8801410522152?text=${encodeURIComponent(msg)}`, '_blank');
} else {
alert("দয়া করে এক্সচেঞ্জ করার পরিমাণ লিখুন।");
}
}
</script>
</body>
</html>
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Haven't been able to test locally yet because nokogiri 😢
Fixes #332