https://github.com/junaire/contract-source-viewer
Fetch and view smart contract source code from blockchain explorers
https://github.com/junaire/contract-source-viewer
blockchian ethereum smart-contract
Last synced: 2 months ago
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Fetch and view smart contract source code from blockchain explorers
- Host: GitHub
- URL: https://github.com/junaire/contract-source-viewer
- Owner: junaire
- License: mit
- Created: 2025-09-18T11:56:20.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2025-09-18T13:40:24.000Z (10 months ago)
- Last Synced: 2025-09-18T13:47:20.160Z (10 months ago)
- Topics: blockchian, ethereum, smart-contract
- Language: TypeScript
- Homepage: https://marketplace.visualstudio.com/items?itemName=junaire.contract-source-viewer
- Size: 79.1 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
README
# Contract Source Viewer
[](https://marketplace.visualstudio.com/items?itemName=junaire.contract-source-viewer)
[](https://marketplace.visualstudio.com/items?itemName=junaire.contract-source-viewer)
[](LICENSE)
A simple VSCode extension that allows you to fetch and view smart contract source code directly from blockchain explorers. Perfect for developers, auditors, and anyone working with smart contracts.

## ✨ Features
- 🔍 **Multi-Chain Support**: Fetch contracts from 8 major blockchains
- 📄 **Smart Parsing**: Handles both single-file and multi-file Solidity contracts
- 🎨 **Syntax Highlighting**: Full Solidity syntax highlighting with VSCode's built-in support
- 📁 **Project Structure**: Automatically creates proper folder structure for complex contracts
- ⚡ **Fast & Reliable**: Quick fetching with proper error handling
- ✅ **Input Validation**: Validates chain IDs and contract addresses
- 🔄 **Real-time Progress**: Progress indicators for all operations
## 🚀 Quick Start
1. **Install** the extension from VSCode Marketplace
2. **Open Command Palette** (`Cmd+Shift+P` on Mac, `Ctrl+Shift+P` on Windows/Linux)
3. **Search** for "Fetch Contract Source Code"
4. **Select blockchain** from the dropdown
5. **Enter contract address** (0x...)
6. **View source code** in a new VSCode window
## 🌐 Supported Networks
| Network | Chain ID | Example Contract |
|---------|----------|------------------|
| **Ethereum** | 1 | `0xA0b86a33E6a5a5d7a2f...` |
| **BSC** | 56 | `0xD89C46F8ee42d3078E6...` |
| **Polygon** | 137 | `0x8f3Cf7ad23Cd3CaDbD9...` |
| **Arbitrum** | 42161 | `0x912CE59144191C1204E...` |
| **Optimism** | 10 | `0x4200000000000000000...` |
| **Base** | 8453 | `0x833589fCD6eDb6E08f4...` |
| **Avalanche** | 43114 | `0xB31f66AA3C1e785363F...` |
| **Fantom** | 250 | `0x21be370D5312f44cB42...` |
### Development Setup
```bash
# Clone repository
git clone https://github.com/junaire/contract-source-viewer.git
cd contract-source-viewer
# Install dependencies
npm install
# Compile
npm run compile
# Run in development mode
# Press F5 in VSCode to launch Extension Development Host
```
## 🤝 Contributing
We welcome contributions!
1. Fork the repository
2. Create your feature branch (`git checkout -b feature/amazing-feature`)
3. Commit your changes (`git commit -m 'Add some amazing feature'`)
4. Push to the branch (`git push origin feature/amazing-feature`)
5. Open a Pull Request
## 📄 License
This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
## 🐛 Bug Reports & Feature Requests
Please use the [GitHub Issues](https://github.com/junaire/contract-source-viewer/issues) page to:
- Report bugs
- Request new features
- Ask questions
## ⭐ Show Your Support
If you find this extension helpful, please:
- ⭐ Star the repository
- 📝 Leave a review on VSCode Marketplace
- 🐦 Share with your network
---
**Made with ❤️ by [Jun Zhang (junaire)](https://github.com/junaire)**