Nexus DEX

A decentralized exchange interface built for Nexus Testnet. This project provides a modern, user-friendly trading experience with support for token swaps, liquidity pools, and position management.

Live Demo

Production: Nexus DEX

Overview

Nexus DEX is a frontend interface that connects to Uniswap V3 smart contracts deployed on Nexus Testnet (Chain ID: 3945). The interface has been customized with Nexus branding and optimized for the Nexus blockchain ecosystem.

Features

• Token Swap - Exchange tokens with real-time price quotes from on-chain QuoterV2
• Wrap/Unwrap - Convert native NEX to WNEX and vice versa
• Liquidity Pools - Create and manage V3 liquidity positions
• Position Management - View, increase, or remove liquidity from existing positions
• Multi-language Support - Available in 15+ languages including English and Indonesian
• Mobile Responsive - Works on desktop browsers and mobile dApp browsers (MetaMask, OKX)

Tech Stack

• React 18
• TypeScript
• Vite
• Redux Toolkit
• Ethers.js
• Tamagui (UI Components)
• React Query

Network Configuration

Property	Value
Network Name	Nexus Testnet
Chain ID	3945
RPC URL	https://rpc.nexus.testnet.rollup.cc
Block Explorer	https://explorer.nexus.testnet.rollup.cc
Native Token	NEX

Core Contracts

All contracts are deployed on Nexus Testnet:

Contract	Address
SwapRouter	0xf96e9bf8fddf64534f9ed45a0696d02f490d0197
QuoterV2	0x6878b5c4564f61f2d1b4d336853a211f0e0cfa11
NonfungiblePositionManager	0x643770e279d5d0733f21d6dc03a8efbabeb3e21e
WNEX (Wrapped NEX)	0x11cbb81b69f6a7024ace3c83a14eb87e8c540879
USDC	0x8586bac6d1d34df58bad5a7aceb95cc7a9e02552

Project Structure

Nexus-DEX/
├── src/
│   ├── components/       # UI component examples
│   ├── config/          # Chain and token configuration
│   └── assets/          # Logo and brand assets
├── screenshots/         # Interface screenshots
├── README.md
└── LICENSE

Screenshots

Landing Page

Swap / Wrap Interface

Token Selector

Positions Page

Key Customizations

1. Chain Integration - Native support for Nexus Testnet with proper RPC configuration
2. Token Registry - Pre-configured common tokens (NEX, WNEX, USDC)
3. Branding - Custom logo, colors, and naming throughout the interface
4. Localization - Updated translations for Nexus DEX branding

Development Notes

This is a showcase repository containing selected components and configurations from the full project. The complete working version is deployed at the demo link above.

Key files that were modified from the base Uniswap interface:

• Chain configuration for Nexus Testnet
• Token definitions and addresses
• Swap service for on-chain quotes via QuoterV2
• UI branding and translations

Building Your Own

If you want to deploy a similar DEX on your own network:

1. Deploy Uniswap V3 contracts to your chain
2. Configure chain info (RPC, chain ID, explorer)
3. Set up wrapped native token address
4. Add your token registry
5. Update branding assets and translations

Contributing

Contributions are welcome. Feel free to open issues or submit pull requests.

Author

Deni

• X (Twitter): @DBzhx7955

License

MIT License - see LICENSE for details.

Disclaimer

This software is provided "as is" without warranty of any kind. Use at your own risk. This is a testnet application and should not be used with real funds.