fix: API JSON error responses + navbar with dropdowns
- Add backend/libs/go-http-errors for consistent JSON errors - REST API: use writeMethodNotAllowed, writeNotFound, writeInternalError - middleware, gateway, search: use httperrors.WriteJSON - SPA: navbar with Explore/Tools/More dropdowns, initNavDropdowns() - Next.js: Navbar component with dropdowns + mobile menu Co-authored-by: Cursor <cursoragent@cursor.com>
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defiQUG
3532
frontend/public/explorer-spa.js
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3532
frontend/public/explorer-spa.js
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@@ -1,6 +1,6 @@
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import type { Metadata } from 'next'
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import { Inter } from 'next/font/google'
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import Link from 'next/link'
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import Navbar from '@/components/common/Navbar'
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import './globals.css'
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const inter = Inter({ subsets: ['latin'] })
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@@ -18,34 +18,7 @@ export default function RootLayout({
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return (
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<html lang="en">
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<body className={inter.className}>
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<nav className="bg-white dark:bg-gray-800 shadow-sm border-b border-gray-200 dark:border-gray-700">
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<div className="container mx-auto px-4">
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<div className="flex items-center justify-between h-16">
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<div className="flex items-center gap-8">
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<Link href="/" className="text-xl font-bold text-primary-600">
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<div className="flex flex-col">
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<span>SolaceScanScout</span>
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<span className="text-xs font-normal text-gray-500">The Defi Oracle Meta Explorer</span>
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</div>
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</Link>
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<div className="flex gap-4">
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<Link href="/blocks" className="text-gray-700 dark:text-gray-300 hover:text-primary-600">
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Blocks
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</Link>
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<Link href="/transactions" className="text-gray-700 dark:text-gray-300 hover:text-primary-600">
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Transactions
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</Link>
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<Link href="/search" className="text-gray-700 dark:text-gray-300 hover:text-primary-600">
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Search
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</Link>
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<Link href="/wallet" className="text-gray-700 dark:text-gray-300 hover:text-primary-600">
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Wallet
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</Link>
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</div>
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</div>
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</div>
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</div>
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</nav>
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<Navbar />
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<main>{children}</main>
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</body>
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</html>
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166
frontend/src/components/common/Navbar.tsx
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166
frontend/src/components/common/Navbar.tsx
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@@ -0,0 +1,166 @@
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'use client'
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import Link from 'next/link'
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import { usePathname } from 'next/navigation'
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import { useState } from 'react'
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const navLink = 'text-gray-700 dark:text-gray-300 hover:text-primary-600 dark:hover:text-primary-400 transition-colors'
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const navLinkActive = 'text-primary-600 dark:text-primary-400 font-medium'
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function NavDropdown({
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label,
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icon,
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children,
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}: {
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label: string
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icon: React.ReactNode
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children: React.ReactNode
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}) {
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const [open, setOpen] = useState(false)
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return (
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<div
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className="relative"
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onMouseEnter={() => setOpen(true)}
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onMouseLeave={() => setOpen(false)}
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>
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<button
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type="button"
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className={`flex items-center gap-1.5 px-3 py-2 rounded-md ${navLink}`}
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onClick={() => setOpen((v) => !v)}
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aria-expanded={open}
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aria-haspopup="true"
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>
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{icon}
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<span>{label}</span>
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<svg className={`w-3.5 h-3.5 transition-transform ${open ? 'rotate-180' : ''}`} fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden>
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
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</svg>
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</button>
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{open && (
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<ul
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className="absolute left-0 top-full mt-1 min-w-[200px] rounded-lg bg-white dark:bg-gray-800 shadow-lg border border-gray-200 dark:border-gray-700 py-1 z-50"
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role="menu"
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>
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{children}
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</ul>
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)}
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</div>
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)
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}
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function DropdownItem({
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href,
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icon,
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children,
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external,
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}: {
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href: string
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icon?: React.ReactNode
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children: React.ReactNode
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external?: boolean
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}) {
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const className = `flex items-center gap-2 px-4 py-2.5 text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700 hover:text-primary-600 dark:hover:text-primary-400 ${navLink}`
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if (external) {
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return (
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<li role="none">
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<a href={href} target="_self" rel="noopener" className={className} role="menuitem">
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{icon}
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<span>{children}</span>
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</a>
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</li>
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)
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}
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return (
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<li role="none">
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<Link href={href} className={className} role="menuitem">
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{icon}
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<span>{children}</span>
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</Link>
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</li>
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)
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}
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export default function Navbar() {
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const pathname = usePathname() ?? ''
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const [mobileMenuOpen, setMobileMenuOpen] = useState(false)
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const [exploreOpen, setExploreOpen] = useState(false)
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const [toolsOpen, setToolsOpen] = useState(false)
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return (
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<nav className="bg-white dark:bg-gray-800 shadow-sm border-b border-gray-200 dark:border-gray-700">
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<div className="container mx-auto px-4">
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<div className="flex items-center justify-between h-16">
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<div className="flex items-center gap-4 md:gap-8">
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<Link href="/" className="text-xl font-bold text-primary-600 dark:text-primary-400 flex flex-col" onClick={() => setMobileMenuOpen(false)}>
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<span>SolaceScanScout</span>
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<span className="text-xs font-normal text-gray-500 dark:text-gray-400">The Defi Oracle Meta Explorer</span>
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</Link>
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<div className="hidden md:flex items-center gap-1">
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<NavDropdown
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label="Explore"
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icon={<svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3.055 11H5a2 2 0 012 2v1a2 2 0 002 2 2 2 0 012 2v2.945M8 3.935V5.5A2.5 2.5 0 0010.5 8h.5a2 2 0 012 2 2 2 0 104 0h.5a2.5 2.5 0 002.5-2.5V3.935M12 12a2 2 0 104 0 2 2 0 00-4 0z" /></svg>}
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>
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<DropdownItem href="/" icon={<span className="text-gray-400">⌂</span>}>Home</DropdownItem>
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<DropdownItem href="/blocks" icon={<span className="text-gray-400">▣</span>}>Blocks</DropdownItem>
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<DropdownItem href="/transactions" icon={<span className="text-gray-400">⇄</span>}>Transactions</DropdownItem>
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</NavDropdown>
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<NavDropdown
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label="Tools"
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icon={<svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" /><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" /></svg>}
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>
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<DropdownItem href="/search">Search</DropdownItem>
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<DropdownItem href="/wallet">Wallet</DropdownItem>
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</NavDropdown>
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</div>
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</div>
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<div className="flex items-center md:hidden">
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<button
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type="button"
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className="p-2 rounded-md text-gray-700 dark:text-gray-300 hover:bg-gray-100 dark:hover:bg-gray-700"
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onClick={() => setMobileMenuOpen((o) => !o)}
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aria-expanded={mobileMenuOpen}
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aria-label="Toggle menu"
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>
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{mobileMenuOpen ? (
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<svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" /></svg>
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) : (
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<svg className="w-6 h-6" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" /></svg>
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)}
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</button>
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</div>
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</div>
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{mobileMenuOpen && (
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<div className="md:hidden py-3 border-t border-gray-200 dark:border-gray-700">
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<div className="flex flex-col gap-1">
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<Link href="/" className={`px-3 py-2.5 rounded-md ${pathname === '/' ? navLinkActive : navLink}`} onClick={() => setMobileMenuOpen(false)}>Home</Link>
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<div className="relative">
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<button type="button" className={`flex items-center justify-between w-full px-3 py-2.5 rounded-md ${navLink}`} onClick={() => setExploreOpen((o) => !o)} aria-expanded={exploreOpen}>
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<span>Explore</span>
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<svg className={`w-4 h-4 transition-transform ${exploreOpen ? 'rotate-180' : ''}`} fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" /></svg>
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</button>
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{exploreOpen && (
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<ul className="pl-4 mt-1 space-y-0.5">
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<li><Link href="/blocks" className={`block px-3 py-2 rounded-md ${navLink}`} onClick={() => setMobileMenuOpen(false)}>Blocks</Link></li>
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<li><Link href="/transactions" className={`block px-3 py-2 rounded-md ${navLink}`} onClick={() => setMobileMenuOpen(false)}>Transactions</Link></li>
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</ul>
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)}
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</div>
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<div className="relative">
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<button type="button" className={`flex items-center justify-between w-full px-3 py-2.5 rounded-md ${navLink}`} onClick={() => setToolsOpen((o) => !o)} aria-expanded={toolsOpen}>
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<span>Tools</span>
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<svg className={`w-4 h-4 transition-transform ${toolsOpen ? 'rotate-180' : ''}`} fill="none" viewBox="0 0 24 24" stroke="currentColor"><path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" /></svg>
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</button>
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{toolsOpen && (
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<ul className="pl-4 mt-1 space-y-0.5">
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<li><Link href="/search" className={`block px-3 py-2 rounded-md ${navLink}`} onClick={() => setMobileMenuOpen(false)}>Search</Link></li>
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<li><Link href="/wallet" className={`block px-3 py-2 rounded-md ${navLink}`} onClick={() => setMobileMenuOpen(false)}>Wallet</Link></li>
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</ul>
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)}
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</div>
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</div>
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</div>
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)}
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</div>
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</nav>
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)
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}
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