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# 🐉 Chimera: The Omnichain Forge

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[![npm version](https://badge.fury.io/js/%40your-username%2Fchimera.svg)](https://badge.fury.io/js/%40your-username%2Fchimera)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

**A powerful multichain Web3 development framework that enables developers to configure multiple chains, compile and deploy contracts, and simulate omnichain interactions with a single command.**

</div>

## ✨ Features

-   🔗 **Multichain Management**: Easily add, list, and remove EVM-compatible chain configurations.
-   🚀 **Omnichain Deployment**: Deploy your smart contracts to one or all configured networks simultaneously.
-   🛠️ **Developer-Friendly CLI**: Intuitive and beautiful command-line interface built with `commander.js`.
-   📦 **Reusable SDK**: Integrate Chimera's capabilities into your own Node.js projects.
-   ⚙️ **Robust Gas Handling**: Automatically handles gas estimation with fallback mechanisms for unreliable RPCs.
-   🔐 **Secure**: Promotes best practices by using environment variables for private keys.

## 📦 Installation

### Global Installation (Recommended)

Install Chimera globally on your system to use the `chimera` command from anywhere.

```bash
npm install -g @chimera-forge

Local Installation

Install as a dependency in your project.

npm install @your-username/chimera

You can then run the CLI using npx:

npx chimera --help

🚀 Quick Start

Let's deploy a contract across multiple chains in under a minute!

1. Add a Chain

Configure a new blockchain for Chimera to manage.

chimera chain:add --name "Polygon Mumbai" --chainId 80001 --rpc https://rpc-mumbai.maticvigil.com --explorer https://mumbai.polygonscan.com

2. List Configured Chains

See all the chains Chimera is ready to deploy to.

chimera chain:list

3. Deploy Your Contract

Deploy a sample contract to all configured chains with a single command.

Prerequisite: Make sure your deployer wallet has testnet funds (e.g., Sepolia ETH, Mumbai MATIC). Set your private key as an environment variable for security: export PRIVATE_KEY=YOUR_PRIVATE_KEY_HERE

chimera deploy --contract SimpleStorage.sol --network all --args "42"

If successful, you'll see a beautiful summary of your deployments across all chains!

⚙️ Configuration

Chimera stores its chain configurations in a YAML file located at ~/.chimera/chains.yaml. You can manually edit this file to add or modify chain configurations.

Example chains.yaml:

chains:
  - name: Ethereum Sepolia
    rpc: https://sepolia.infura.io/v3/YOUR_INFURA_ID
    chainId: 11155111
    explorer: https://sepolia.etherscan.io
  - name: Scroll Sepolia
    rpc: https://scroll-sepolia.infura.io/v3/YOUR_INFURA_ID
    chainId: 534351
    explorer: https://sepolia.scrollscan.com
  - name: Polygon Mumbai
    rpc: https://rpc-mumbai.maticvigil.com
    chainId: 80001
    explorer: https://mumbai.polygonscan.com

📖 CLI Commands Reference

Chain Management

chimera chain:add

Adds a new chain to the configuration.

chimera chain:add --name <name> --chainId <id> --rpc <url> --explorer <url>

Options:

• -n, --name <name>: (Required) The name of the chain.
• -i, --chainId <chainId>: (Required) The chain ID.
• -r, --rpc <rpc>: (Required) The RPC URL.
• -e, --explorer <explorer>: (Optional) The block explorer URL.

chimera chain:list

Lists all configured chains.

chimera chain:list

chimera chain:remove

Removes a chain from the configuration.

chimera chain:remove --name <name>

Options:

• -n, --name <name>: (Required) The name of the chain to remove.

Contract Deployment

chimera deploy

Deploys a smart contract to one or more chains.

chimera deploy --contract <filename> --network <network|all> --args <args...>

Options:

• -c, --contract <contract>: (Required) The Solidity contract file name (e.g., TokenBridge.sol). The file must be in the contracts/examples directory.
• -n, --network <network>: The target network name or all to deploy to every configured chain. Default: all.
• -a, --args <args...>: (Optional) Constructor arguments for the contract.
• -p, --privateKey <privateKey>: (Optional) The private key for deployment. Overrides the PRIVATE_KEY environment variable.

📚 SDK Usage

You can use the Chimera SDK programmatically in your Node.js projects.

import { Chimera } from '@your-username/chimera/sdk';

async function main() {
  const chimera = new Chimera();

  // Get all configured chains
  const chains = await chimera.getChains();
  console.log('Available chains:', chains);

  // Connect to a specific chain
  const provider = await chimera.connect('Ethereum Sepolia');
  const blockNumber = await provider.getBlockNumber();
  console.log('Current block number:', blockNumber);

  // Deploy a contract to a specific chain
  const result = await chimera.deploy('TokenBridge.sol', {
    to: 'Ethereum Sepolia',
    args: ['My Token', 'MTK', '1000000000000000000000']
  });

  console.log(`Contract deployed at: ${result.address}`);
}

main().catch(console.error);

🧱 Project Structure

chimera/
├── cli/              # CLI commands & entry point
├── sdk/              # Chimera SDK library
├── utils/            # Shared helper functions (logger, banner, etc.)
├── config/           # Default configuration files
├── contracts/examples/ # Example smart contracts
├── dist/             # Compiled JavaScript output
├── package.json
├── tsconfig.json
└── README.md

🤝 Contributing

Contributions are what make the open-source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

📄 License

Distributed under the MIT License. See LICENSE for more information.

Made with ❤️ and 🔥 by the Web3 community.