https://github.com/smitbhuva15/cap-stone

capXchange is a decentralized exchange (DEX) that enables secure deposit and withdrawal of ERC-20 tokens. Users can create, cancel, or fill token swap orders while maintaining fairness, as only creators can cancel their trades. A small fee is applied on each successful transaction, rewarding the exchange owner.
https://github.com/smitbhuva15/cap-stone

apexcharts chai etherjs hardhat reactjs redux-toolkit solidity tailwind-css

Last synced: 2 months ago
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capXchange is a decentralized exchange (DEX) that enables secure deposit and withdrawal of ERC-20 tokens. Users can create, cancel, or fill token swap orders while maintaining fairness, as only creators can cancel their trades. A small fee is applied on each successful transaction, rewarding the exchange owner.

• Host: GitHub
• URL: https://github.com/smitbhuva15/cap-stone
• Owner: Smitbhuva15
• License: mit
• Created: 2025-07-16T16:59:58.000Z (11 months ago)
• Default Branch: main
• Last Pushed: 2025-09-02T13:18:14.000Z (10 months ago)
• Last Synced: 2025-09-02T14:23:16.404Z (10 months ago)
• Topics: apexcharts, chai, etherjs, hardhat, reactjs, redux-toolkit, solidity, tailwind-css
• Language: JavaScript
• Homepage: https://capxchange.vercel.app
• Size: 2.16 MB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
 

  
capXchange





- capxchange is a **decentralized Exchange (DEX) platform**.  

- It allows users to **deposit tokens, withdraw tokens, create/cancel orders, and execute trades** with a fee mechanism for the exchange owner.




##  Features

1. **Deposit ERC-20 Tokens**  

   - Users can securely deposit their ERC-20 tokens into the exchange.  

   

   


2. **Withdraw Tokens back to User Wallet**  

   - Users can withdraw their tokens from the exchange anytime.  

   

   


3. **Create New Trade Orders (Token Swap)**  

   - Users can create an order to exchange one token for another.  

   - Example: User A wants to trade 300 CAP tokens for 2 mDAI tokens.

   - The order can then be filled by other users on the exchange.

   

   


4. **Cancel Orders**  

   - Users can cancel any order they created if it has not been filled yet.  

   - Only the order creator is allowed to cancel.

   

   


5. **Fill Existing Orders and Execute Trades**  

   - Other users can fill existing orders created by someone else. 

   

   


6. **Fee System**  

   - The exchange charges a small fee on every successful trade

   

   
   

##  Tech Stack

### 🔹 Frontend

- **React.js** → Component-based UI framework  

- **Tailwind CSS** → Utility-first styling for modern responsive design  

- **Redux toolkit** → Global state management for balances, orders, and trades  

- **Ethers.js** → Blockchain interaction (connect wallet, call contract functions)  

### 🔹 Smart Contracts

- **Solidity** → Powers the decentralized backend logic of CapXchange  

### 🔹 Blockchain Development

- **Hardhat** → Development framework for compiling, deploying, and debugging contracts  

- **Chai** → Assertion library for writing unit & integration tests  




## Website Preview



  





  





  



## ✨ Created By

**Smit Bhuva**  

 Web3 Developer | Solidity | Full Stack Developer  

- GitHub: [Smitbhuva15](https://github.com/Smitbhuva15)  

- LinkedIn: [Smit Bhuva](https://www.linkedin.com/in/smit-bhuva-1007ba314/)  

- 📧 Email: bhuvasmit1507@gmail.com