Smart Contracts

A clean Hardhat Ignition project for smart contract development.

Quick Start

# Install dependencies
npm install

# Compile contracts
npm run compile

# Run tests
npm test

# Deploy to local network
npx hardhat ignition deploy ignition/modules/Lock.ts --network localhost

# Deploy to testnet (sepolia)
npx hardhat ignition deploy ignition/modules/Lock.ts --network sepolia

Scripts

• npm run compile - Compile contracts
• npm run test - Run tests
• npm run coverage - Generate test coverage report
• npm run gas-report - Generate gas usage report
• npm run clean - Clean build artifacts
• npm run lint - Lint TypeScript and Solidity files
• npm run format - Format code

Environment Variables

Copy .env.example to .env and configure:

• SEPOLIA_RPC_URL - RPC URL for Sepolia testnet
• MAINNET_RPC_URL - RPC URL for Ethereum mainnet
• PRIVATE_KEY - Your wallet private key (without 0x prefix)
• ETHERSCAN_API_KEY - For contract verification
• COINMARKETCAP_API_KEY - For gas reporting
• REPORT_GAS - Set to true to enable gas reporting

Project Structure

• contracts/ - Solidity smart contracts
• ignition/modules/ - Hardhat Ignition deployment modules
• test/ - Contract tests
• scripts/ - Utility scripts