smartbugs-curated/dataset/reentrancy/0x941d225236464a25eb18076df...

80 lines
1.5 KiB
Solidity

/*
* @source: etherscan.io
* @author: -
* @vulnerable_at_lines: 44
*/
pragma solidity ^0.4.19;
contract ETH_FUND
{
mapping (address => uint) public balances;
uint public MinDeposit = 1 ether;
Log TransferLog;
uint lastBlock;
function ETH_FUND(address _log)
public
{
TransferLog = Log(_log);
}
function Deposit()
public
payable
{
if(msg.value > MinDeposit)
{
balances[msg.sender]+=msg.value;
TransferLog.AddMessage(msg.sender,msg.value,"Deposit");
lastBlock = block.number;
}
}
function CashOut(uint _am)
public
payable
{
if(_am<=balances[msg.sender]&&block.number>lastBlock)
{
// <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);
}
}