在voting中引用了safemath
deployer.deploy(safemath);
deployer.link(safemath, voting); //关联两个合约
deployer.deploy(voting, ["Rama", "Nick", "Jose"]); //构造函数传参
在voting中引用了safemath
deployer.deploy(safemath);
deployer.link(safemath, voting); //关联两个合约
deployer.deploy(voting, ["Rama", "Nick", "Jose"]); //构造函数传参