Tuesday 3 December 2019

Solidity3

pragma solidity ^0.4.0;
contract SimpleStorage{
    uint a;
    function initial( uint balu)public{
        a = balu;
    }
     function Shop1( uint balu)public{
        a = a-balu;
    }
     function Shop2(uint balu)public{
          a = a-balu;
    }
     function add(uint balu)public{
          a = a+balu;
    }
    function balance()public constant returns(uint){
        return a;
    }}

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