hardhat

• NomicFoundation/hardhat
• hardhat.config.js
• localhost
  • chainId: 1337
  • http://127.0.0.1:8545

tip

• MetaMask 需要设置 chainId 为 1337
  • https://hardhat.org/metamask-issue.html
  • https://github.com/MetaMask/metamask-extension/issues/10290

npx hardhat
npx hardhat compile
npx hardhat node

npx hardhat run scripts/deploy.ts --network localhost

• https://hardhat.org/config/