1、創建項目
npm install truffle
mkdir truffletest
cd truffletest
2、初始化項目
truffle init
3、編寫智能合約
vim contracts/test.sol
1 pragma solidity ^0.4.25
2 contract Simple{
3 function add(uint a,uint b)returns(uint sum ){sum = a+b;}
4 function mul(uint a,uint b)returns(uint){sum = a*b;}
5 }