HelloDefi hardhat + ethers

This project is the same as https://github.com/guillaumedebavelaere/HelloDefi, but uses different tools:

• Hardhat
• Ethers.js

In addition:

• Added test coverage (solidity-coverage)
• Eth gas reporter with price in usd (via coinmarket cap api)
• Added Etherscan contract verification when deploying
• Using mock functionnality from waffle in tests
• Added solhint
• Change the deployment config with the use of hardhat-deploy plugin, so it is easier to deploy on multiple chains
• Added Mumbai deployment config
• Added staging test + separateed into sub directories unit tests and staging test

Requirments

• Node 16
• Yarn
• Hardhat

Smart contract installation

cd ./hardhat

yarn install

Create an .env file with the following

GOERLI_URL_RPC=https://goerli.infura.io/v3/your-infura-id // or any other rpc provider
MUMBAI_RPC_URL=https://polygon-mumbai.g.alchemy.com/v2/your-alchemy-id // or any other rpc provider
PRIVATE_KEY=your-private-key // Used during deploy
ETHERSCAN_API_KEY=your-etherscan-key // Used during deploy for smart contract verification in etherscan
POLYGONSCAN_API_KEY=your-etherscan-key // Used during deploy for smart contract verification in polygonscan
REPORT_GAS=true // To get a gas report when executing tests
COINMARKETCAP_API_KEY=your-coinmarketcap-api-key // To get the smart contracts deployment and methods cost in usd when executing the tests

Compile

yarn hardhat compile

Deploy

yarn hardhat deploy --network networkName

Tests

yarn hardhat test

Coverage

yarn hardhat coverage