74 lines
1.4 KiB
Solidity
74 lines
1.4 KiB
Solidity
|
/*
|
||
|
|
* @source: etherscan.io
|
||
|
|
* @author: -
|
||
|
|
* @vulnerable_at_lines: 38
|
||
|
|
*/
|
||
|
|
|
||
|
|
pragma solidity ^0.4.19;
|
||
|
|
|
||
|
|
contract PrivateBank
|
||
|
|
{
|
||
|
|
mapping (address => uint) public balances;
|
||
|
|
|
||
|
|
uint public MinDeposit = 1 ether;
|
||
|
|
|
||
|
|
Log TransferLog;
|
||
|
|
|
||
|
|
function PrivateBank(address _log)
|
||
|
|
{
|
||
|
|
TransferLog = Log(_log);
|
||
|
|
}
|
||
|
|
|
||
|
|
function Deposit()
|
||
|
|
public
|
||
|
|
payable
|
||
|
|
{
|
||
|
|
if(msg.value >= MinDeposit)
|
||
|
|
{
|
||
|
|
balances[msg.sender]+=msg.value;
|
||
|
|
TransferLog.AddMessage(msg.sender,msg.value,"Deposit");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function CashOut(uint _am)
|
||
|
|
{
|
||
|
|
if(_am<=balances[msg.sender])
|
||
|
|
{
|
||
|
|
// <yes> <report> REENTRANCY
|
||
|
|
if(msg.sender.call.value(_am)())
|
||
|
|
{
|
||
|
|
balances[msg.sender]-=_am;
|
||
|
|
TransferLog.AddMessage(msg.sender,_am,"CashOut");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function() public payable{}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
contract Log
|
||
|
|
{
|
||
|
|
|
||
|
|
struct Message
|
||
|
|
{
|
||
|
|
address Sender;
|
||
|
|
string Data;
|
||
|
|
uint Val;
|
||
|
|
uint Time;
|
||
|
|
}
|
||
|
|
|
||
|
|
Message[] public History;
|
||
|
|
|
||
|
|
Message LastMsg;
|
||
|
|
|
||
|
|
function AddMessage(address _adr,uint _val,string _data)
|
||
|
|
public
|
||
|
|
{
|
||
|
|
LastMsg.Sender = _adr;
|
||
|
|
LastMsg.Time = now;
|
||
|
|
LastMsg.Val = _val;
|
||
|
|
LastMsg.Data = _data;
|
||
|
|
History.push(LastMsg);
|
||
|
|
}
|
||
|
|
}
|