• builder
• Ethers
• Web3
• Solhint

npm install
npx builder

change .env.example to .env, and set up your environment variables. Noted: There should be a prefix 0x in private key.

• artifacts: all constract artifacts are under this folder
• contracts: all contracts are under this folder
• scripts: all scripts are under this folder
• test: all tests are under this folder

npm run compile

After compiling, contract artifacts will be located under artifacts folder.

Lint with Solhint

npm run lint

If you want to prettier your solidity codes, run

npm run prettier

npm run test

You can specify network options to test contracts on testnet.

npm run test:rinkeby
npm run test:ropsten

npm run flatten

Using buidler console

npm run console

You can write your custom scripts, and run.

• Deploying your contract
• Writing scripts

Creating tasks