33 lines
846 B
Solidity
33 lines
846 B
Solidity
/*
|
|
* @source: https://github.com/sigp/solidity-security-blog
|
|
* @author: -
|
|
* @vulnerable_at_lines: 22
|
|
*/
|
|
|
|
//added pragma version
|
|
pragma solidity ^0.4.0;
|
|
|
|
contract TimeLock {
|
|
|
|
mapping(address => uint) public balances;
|
|
mapping(address => uint) public lockTime;
|
|
|
|
function deposit() public payable {
|
|
balances[msg.sender] += msg.value;
|
|
lockTime[msg.sender] = now + 1 weeks;
|
|
}
|
|
|
|
function increaseLockTime(uint _secondsToIncrease) public {
|
|
// <yes> <report> ARITHMETIC
|
|
lockTime[msg.sender] += _secondsToIncrease;
|
|
}
|
|
|
|
function withdraw() public {
|
|
require(balances[msg.sender] > 0);
|
|
require(now > lockTime[msg.sender]);
|
|
uint transferValue = balances[msg.sender];
|
|
balances[msg.sender] = 0;
|
|
msg.sender.transfer(transferValue);
|
|
}
|
|
}
|