Web3 personal learning project tips pnpm i truffle -g 全局安转 truffle truffle migrate --reset sol合约文件更新后进行重新build truffle exec ./scripts/xx.js 执行单测/测试环境添加 假数据 pnpm i ganache -g 以太坊模拟器,为MetaMask注入账号，添加网络 执行ganache,控制台打印有ip和链ID article https://learnblockchain.cn/docs/solidity/introduction-to-smart-contracts.html#simple-smart-contract https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md