561 lines
18 KiB
HTML
561 lines
18 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Connect Wallet - ChainID 138</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 20px;
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}
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.container {
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background: white;
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border-radius: 20px;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
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padding: 40px;
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max-width: 500px;
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width: 100%;
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}
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h1 {
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color: #333;
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margin-bottom: 10px;
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font-size: 28px;
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}
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.subtitle {
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color: #666;
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margin-bottom: 30px;
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font-size: 14px;
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}
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.network-info {
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background: #f8f9fa;
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border-radius: 10px;
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padding: 20px;
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margin-bottom: 30px;
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}
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.network-info h3 {
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color: #333;
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margin-bottom: 15px;
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font-size: 18px;
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}
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.info-row {
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display: flex;
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justify-content: space-between;
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padding: 8px 0;
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border-bottom: 1px solid #e9ecef;
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}
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.info-row:last-child {
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border-bottom: none;
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}
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.info-label {
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color: #666;
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font-weight: 500;
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}
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.info-value {
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color: #333;
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font-family: 'Courier New', monospace;
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font-weight: 600;
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}
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.button-group {
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display: flex;
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flex-direction: column;
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gap: 15px;
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}
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button {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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padding: 15px 30px;
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border-radius: 10px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.3s ease;
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box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
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}
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button:hover {
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transform: translateY(-2px);
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box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
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}
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button:active {
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transform: translateY(0);
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}
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button:disabled {
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background: #ccc;
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cursor: not-allowed;
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transform: none;
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box-shadow: none;
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}
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.status {
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margin-top: 20px;
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padding: 15px;
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border-radius: 10px;
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font-size: 14px;
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display: none;
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}
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.status.success {
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background: #d4edda;
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color: #155724;
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border: 1px solid #c3e6cb;
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display: block;
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}
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.status.error {
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background: #f8d7da;
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color: #721c24;
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border: 1px solid #f5c6cb;
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display: block;
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}
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.status.info {
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background: #d1ecf1;
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color: #0c5460;
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border: 1px solid #bee5eb;
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display: block;
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}
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.wallet-address {
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margin-top: 20px;
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padding: 15px;
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background: #f8f9fa;
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border-radius: 10px;
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font-family: 'Courier New', monospace;
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font-size: 14px;
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word-break: break-all;
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display: none;
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}
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.wallet-address.show {
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display: block;
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}
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.rpc-config {
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margin-top: 20px;
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padding: 15px;
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background: #fff3cd;
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border-radius: 10px;
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border: 1px solid #ffc107;
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}
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.rpc-config h4 {
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color: #856404;
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margin-bottom: 10px;
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font-size: 14px;
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}
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.rpc-config input {
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width: 100%;
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padding: 10px;
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border: 1px solid #ddd;
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border-radius: 5px;
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font-family: 'Courier New', monospace;
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font-size: 12px;
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margin-top: 5px;
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}
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.rpc-config label {
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color: #856404;
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font-size: 12px;
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display: block;
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margin-top: 10px;
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}
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.metamask-install {
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background: #fff3cd;
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border-radius: 10px;
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padding: 20px;
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margin-bottom: 20px;
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border: 2px solid #ffc107;
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}
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.metamask-install h3 {
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color: #856404;
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margin-bottom: 15px;
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font-size: 18px;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.metamask-install p {
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color: #856404;
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margin-bottom: 15px;
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line-height: 1.6;
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}
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.metamask-install ol {
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color: #856404;
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margin-left: 20px;
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margin-bottom: 15px;
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line-height: 1.8;
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}
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.metamask-install li {
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margin-bottom: 8px;
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}
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.install-button {
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background: #f57c00;
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color: white;
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border: none;
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padding: 12px 24px;
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border-radius: 8px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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text-decoration: none;
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display: inline-block;
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transition: all 0.3s ease;
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box-shadow: 0 4px 15px rgba(245, 124, 0, 0.4);
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}
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.install-button:hover {
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background: #e65100;
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transform: translateY(-2px);
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box-shadow: 0 6px 20px rgba(245, 124, 0, 0.6);
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}
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.install-links {
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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margin-top: 15px;
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}
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.install-button.secondary {
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background: #6c757d;
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box-shadow: 0 4px 15px rgba(108, 117, 125, 0.4);
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}
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.install-button.secondary:hover {
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background: #5a6268;
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box-shadow: 0 6px 20px rgba(108, 117, 125, 0.6);
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>🔗 Connect Wallet</h1>
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<p class="subtitle">Connect your wallet and add ChainID 138 network</p>
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<div class="network-info">
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<h3>Network Details</h3>
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<div class="info-row">
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<span class="info-label">Chain ID:</span>
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<span class="info-value">138</span>
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</div>
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<div class="info-row">
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<span class="info-label">Network Name:</span>
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<span class="info-value">SMOM-DBIS-138</span>
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</div>
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<div class="info-row">
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<span class="info-label">Currency Symbol:</span>
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<span class="info-value">ETH</span>
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</div>
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</div>
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<div id="metamaskInstall" class="metamask-install" style="display: none;">
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<h3>🦊 MetaMask Required</h3>
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<p><strong>MetaMask is not installed in your browser.</strong> To connect your wallet and add this network, you need to install MetaMask first.</p>
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<ol>
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<li>Click the "Install MetaMask" button below</li>
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<li>Choose your browser (Chrome, Firefox, Edge, or Brave)</li>
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<li>Click "Add to [Browser]" on the MetaMask website</li>
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<li>Follow the setup instructions to create or import a wallet</li>
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<li>Refresh this page after installation</li>
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</ol>
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<div class="install-links">
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<a href="https://metamask.io/download/" target="_blank" class="install-button">Install MetaMask</a>
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<a href="https://metamask.io/" target="_blank" class="install-button secondary">Visit MetaMask Website</a>
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<button onclick="window.refreshDetection ? window.refreshDetection() : location.reload()" class="install-button secondary" style="margin-top: 10px;">🔄 Check Again / Refresh</button>
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</div>
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</div>
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<div class="rpc-config">
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<h4>⚠️ RPC Configuration</h4>
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<label for="rpcUrl">RPC URL:</label>
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<input type="text" id="rpcUrl" placeholder="http://your-rpc-endpoint:8545" value="http://192.168.11.250:8545">
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<label for="blockExplorer">Block Explorer (optional):</label>
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<input type="text" id="blockExplorer" placeholder="https://explorer.example.com">
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</div>
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<div class="button-group">
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<button id="connectWallet">Connect Wallet</button>
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<button id="addNetwork">Add Network to Wallet</button>
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</div>
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<div id="status" class="status"></div>
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<div id="walletAddress" class="wallet-address"></div>
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</div>
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<script>
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// Network configuration
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const networkConfig = {
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chainId: '0x8a', // 138 in hex
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chainName: 'SMOM-DBIS-138',
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nativeCurrency: {
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name: 'Ether',
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symbol: 'ETH',
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decimals: 18
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},
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rpcUrls: [],
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blockExplorerUrls: []
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};
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// DOM elements
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const connectBtn = document.getElementById('connectWallet');
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const addNetworkBtn = document.getElementById('addNetwork');
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const statusDiv = document.getElementById('status');
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const walletAddressDiv = document.getElementById('walletAddress');
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const rpcUrlInput = document.getElementById('rpcUrl');
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const blockExplorerInput = document.getElementById('blockExplorer');
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const metamaskInstallDiv = document.getElementById('metamaskInstall');
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// Check if MetaMask is installed
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function checkMetaMask() {
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// Check for window.ethereum (EIP-1193 provider)
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if (typeof window.ethereum === 'undefined') {
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// Show installation instructions
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metamaskInstallDiv.style.display = 'block';
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connectBtn.disabled = true;
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addNetworkBtn.disabled = true;
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showStatus('error', 'MetaMask is not installed. Please install MetaMask to continue.');
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return false;
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} else {
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// Check if it's specifically MetaMask (has isMetaMask property)
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const isMetaMask = window.ethereum.isMetaMask === true ||
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(window.ethereum.providers &&
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window.ethereum.providers.some(p => p.isMetaMask === true));
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// Hide installation instructions if MetaMask is available
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metamaskInstallDiv.style.display = 'none';
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connectBtn.disabled = false;
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addNetworkBtn.disabled = false;
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// Clear any error messages if MetaMask is now detected
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if (statusDiv.classList.contains('error') &&
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statusDiv.textContent.includes('MetaMask is not installed')) {
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clearStatus();
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}
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return true;
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}
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}
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// Show status message
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function showStatus(type, message) {
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statusDiv.className = `status ${type}`;
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statusDiv.textContent = message;
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statusDiv.style.display = 'block';
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}
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// Clear status
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function clearStatus() {
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statusDiv.style.display = 'none';
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statusDiv.className = 'status';
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}
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// Update network config with user input
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function updateNetworkConfig() {
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const rpcUrl = rpcUrlInput.value.trim();
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const blockExplorer = blockExplorerInput.value.trim();
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if (!rpcUrl) {
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showStatus('error', 'Please enter an RPC URL');
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return false;
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}
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networkConfig.rpcUrls = [rpcUrl];
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if (blockExplorer) {
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networkConfig.blockExplorerUrls = [blockExplorer];
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} else {
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networkConfig.blockExplorerUrls = [];
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}
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return true;
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}
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// Connect wallet
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async function connectWallet() {
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clearStatus();
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if (!checkMetaMask()) {
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return;
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}
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if (!updateNetworkConfig()) {
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return;
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}
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try {
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showStatus('info', 'Requesting account access...');
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// Request account access
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const accounts = await window.ethereum.request({
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method: 'eth_requestAccounts'
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});
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if (accounts.length > 0) {
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const address = accounts[0];
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walletAddressDiv.textContent = `Connected: ${address}`;
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walletAddressDiv.classList.add('show');
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showStatus('success', 'Wallet connected successfully!');
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// Check current chain
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const currentChainId = await window.ethereum.request({
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method: 'eth_chainId'
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});
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if (currentChainId === networkConfig.chainId) {
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showStatus('info', 'You are already connected to ChainID 138');
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}
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}
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} catch (error) {
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console.error('Error connecting wallet:', error);
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if (error.code === 4001) {
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showStatus('error', 'User rejected the connection request.');
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} else {
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showStatus('error', `Error connecting wallet: ${error.message}`);
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}
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}
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}
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// Add network to wallet
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async function addNetwork() {
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clearStatus();
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if (!checkMetaMask()) {
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return;
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}
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if (!updateNetworkConfig()) {
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return;
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}
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try {
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showStatus('info', 'Adding network to wallet...');
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// Try to add the network
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await window.ethereum.request({
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method: 'wallet_addEthereumChain',
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params: [networkConfig]
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});
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showStatus('success', 'Network added successfully! You can now switch to it in MetaMask.');
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} catch (error) {
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console.error('Error adding network:', error);
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if (error.code === 4902) {
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// Network doesn't exist, try to add it
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try {
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await window.ethereum.request({
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method: 'wallet_addEthereumChain',
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params: [networkConfig]
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});
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showStatus('success', 'Network added successfully!');
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} catch (addError) {
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showStatus('error', `Error adding network: ${addError.message}`);
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}
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} else if (error.code === -32602) {
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showStatus('error', 'Invalid network parameters. Please check your RPC URL.');
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} else if (error.code === 4001) {
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showStatus('error', 'User rejected the network addition request.');
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} else {
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showStatus('error', `Error: ${error.message}`);
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}
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}
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}
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// Event listeners
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connectBtn.addEventListener('click', connectWallet);
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addNetworkBtn.addEventListener('click', addNetwork);
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// Check MetaMask on load
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const hasMetaMask = checkMetaMask();
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if (hasMetaMask) {
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// Listen for account changes
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window.ethereum.on('accountsChanged', (accounts) => {
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if (accounts.length > 0) {
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walletAddressDiv.textContent = `Connected: ${accounts[0]}`;
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walletAddressDiv.classList.add('show');
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showStatus('success', 'Wallet account changed');
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} else {
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walletAddressDiv.classList.remove('show');
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showStatus('info', 'Wallet disconnected');
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}
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});
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// Listen for chain changes
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window.ethereum.on('chainChanged', (chainId) => {
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if (chainId === networkConfig.chainId) {
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showStatus('success', 'Switched to ChainID 138 network!');
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} else {
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showStatus('info', `Switched to chain: ${chainId}`);
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}
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});
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// Auto-connect if already connected
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if (window.ethereum.selectedAddress) {
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walletAddressDiv.textContent = `Connected: ${window.ethereum.selectedAddress}`;
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walletAddressDiv.classList.add('show');
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}
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}
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// Check for MetaMask installation periodically (in case user installs it)
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let checkInterval = setInterval(() => {
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if (typeof window.ethereum !== 'undefined') {
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const wasDisabled = connectBtn.disabled;
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const wasShowingInstall = metamaskInstallDiv.style.display !== 'none';
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if (checkMetaMask() && (wasDisabled || wasShowingInstall)) {
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clearInterval(checkInterval);
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showStatus('success', 'MetaMask detected! You can now connect your wallet.');
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}
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}
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}, 500);
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// Add manual refresh button functionality
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function refreshDetection() {
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clearStatus();
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const detected = checkMetaMask();
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if (detected) {
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showStatus('success', 'MetaMask is detected and ready to use!');
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} else {
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showStatus('info', 'Please make sure MetaMask is installed and enabled, then refresh this page.');
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}
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}
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// Make refreshDetection available globally for the button
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window.refreshDetection = refreshDetection;
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</script>
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</body>
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</html>
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