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