2017-11-12 11 views

답변

2

사용 Modifiers

pragma solidity ^0.4.0; 

contract MyContract { 
    address mAdmin; 

    modifier adminOnly { 
    if (msg.sender == mAdmin) _; 
    } 

    function MyContract() { 
    mAdmin = msg.sender; 
    } 

    function doSomething() adminOnly { 
    ... 
    } 
}