[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract WhiteBetting { function bug_tmstmp32 () public payable { uint pastBlockTime_tmstmp32; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp32); pastBlockTime_tmstmp32 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } address payable public owner; struct GameInfo { uint256 timestamp; uint32 odd_homeTeam; uint32 odd_drawTeam; uint32 odd_awayTeam; uint32 odd_over; uint32 odd_under; uint32 odd_homeTeamAndDraw; uint32 odd_homeAndAwayTeam; uint32 odd_awayTeamAndDraw; uint8 open_status; bool isDone; } address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} mapping(uint64 => GameInfo) public gameList; struct BetFixture { address payable player; uint256 stake; uint32 odd; uint16 selectedTeam; } function bug_tmstmp4 () public payable { uint pastBlockTime_tmstmp4; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp4); pastBlockTime_tmstmp4 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } mapping(uint64 => BetFixture[]) public betList; address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} event Success(uint256 odd); function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } event Deposit(address sender, uint256 eth); uint256 bugv_tmstmp5 = block.timestamp; event Withdraw(address receiver, uint256 eth); uint256 bugv_tmstmp1 = block.timestamp; event NewStake(address player, uint64 fixtureId, uint16 selectedTeam, uint256 stake, uint256 odd ); uint256 bugv_tmstmp2 = block.timestamp; event SetGame(uint64 _fixtureId, uint256 _timestamp, uint32 _odd_homeTeam, uint32 _odd_drawTeam, uint32 _odd_awayTeam, uint32 _odd_over, uint32 _odd_under, uint32 _odd_homeTeamAndDraw, uint32 _odd_homeAndAwayTeam , uint32 _odd_awayTeamAndDraw, uint8 _open_status); uint256 bugv_tmstmp3 = block.timestamp; event ChangeOdd (uint64 _fixtureId, uint32 _odd_homeTeam, uint32 _odd_drawTeam, uint32 _odd_awayTeam, uint32 _odd_over, uint32 _odd_under, uint32 _odd_homeTeamAndDraw, uint32 _odd_homeAndAwayTeam , uint32 _odd_awayTeamAndDraw); uint256 bugv_tmstmp4 = block.timestamp; event GivePrizeMoney(uint64 _fixtureId, uint8 _homeDrawAway, uint8 _overUnder); constructor() public { owner = msg.sender; } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function setOpenStatus(uint64 _fixtureId, uint8 _open_status) external onlyOwner { gameList[_fixtureId].open_status = _open_status; } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function changeOdd (uint64 _fixtureId, uint32 _odd_homeTeam, uint32 _odd_drawTeam, uint32 _odd_awayTeam, uint32 _odd_over, uint32 _odd_under, uint32 _odd_homeTeamAndDraw, uint32 _odd_homeAndAwayTeam , uint32 _odd_awayTeamAndDraw ) external onlyOwner { gameList[_fixtureId].odd_homeTeam = _odd_homeTeam; gameList[_fixtureId].odd_drawTeam = _odd_drawTeam; gameList[_fixtureId].odd_awayTeam = _odd_awayTeam; gameList[_fixtureId].odd_over = _odd_over; gameList[_fixtureId].odd_under = _odd_under; gameList[_fixtureId].odd_homeTeamAndDraw = _odd_homeTeamAndDraw; gameList[_fixtureId].odd_homeAndAwayTeam = _odd_homeAndAwayTeam; gameList[_fixtureId].odd_awayTeamAndDraw = _odd_awayTeamAndDraw; emit ChangeOdd (_fixtureId, _odd_homeTeam, _odd_drawTeam, _odd_awayTeam, _odd_over, _odd_under, _odd_homeTeamAndDraw, _odd_homeAndAwayTeam , _odd_awayTeamAndDraw); } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function setGameInfo (uint64 _fixtureId, uint256 _timestamp, uint32 _odd_homeTeam, uint32 _odd_drawTeam, uint32 _odd_awayTeam, uint32 _odd_over, uint32 _odd_under, uint32 _odd_homeTeamAndDraw, uint32 _odd_homeAndAwayTeam , uint32 _odd_awayTeamAndDraw, uint8 _open_status ) external onlyOwner { gameList[_fixtureId].timestamp = _timestamp; gameList[_fixtureId].odd_homeTeam = _odd_homeTeam; gameList[_fixtureId].odd_drawTeam = _odd_drawTeam; gameList[_fixtureId].odd_awayTeam = _odd_awayTeam; gameList[_fixtureId].odd_over = _odd_over; gameList[_fixtureId].odd_under = _odd_under; gameList[_fixtureId].odd_homeTeamAndDraw = _odd_homeTeamAndDraw; gameList[_fixtureId].odd_homeAndAwayTeam = _odd_homeAndAwayTeam; gameList[_fixtureId].odd_awayTeamAndDraw = _odd_awayTeamAndDraw; gameList[_fixtureId].open_status = _open_status; gameList[_fixtureId].isDone = false; emit SetGame(_fixtureId, _timestamp, _odd_homeTeam, _odd_drawTeam, _odd_awayTeam, _odd_over, _odd_under, _odd_homeTeamAndDraw, _odd_homeAndAwayTeam , _odd_awayTeamAndDraw, _open_status); } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function placeBet(uint64 _fixtureId, uint16 _selectedTeam, uint32 _odd) external payable { uint stake = msg.value; require(stake >= .001 ether); require(_odd != 0 ); if (_selectedTeam == 1 ) { require(gameList[_fixtureId].odd_homeTeam == _odd); } else if ( _selectedTeam == 2) { require(gameList[_fixtureId].odd_drawTeam == _odd); } else if ( _selectedTeam == 3) { require(gameList[_fixtureId].odd_awayTeam == _odd); } else if ( _selectedTeam == 4) { require(gameList[_fixtureId].odd_over == _odd); } else if ( _selectedTeam == 5) { require(gameList[_fixtureId].odd_under == _odd); } else if ( _selectedTeam == 6) { require(gameList[_fixtureId].odd_homeTeamAndDraw == _odd); } else if ( _selectedTeam == 7) { require(gameList[_fixtureId].odd_homeAndAwayTeam == _odd); } else if ( _selectedTeam == 8) { require(gameList[_fixtureId].odd_awayTeamAndDraw == _odd); } else { revert(); } require(gameList[_fixtureId].open_status == 3); require( now < ( gameList[_fixtureId].timestamp - 10 minutes ) ); betList[_fixtureId].push(BetFixture( msg.sender, stake, _odd, _selectedTeam)); emit NewStake(msg.sender, _fixtureId, _selectedTeam, stake, _odd ); } function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function givePrizeMoney(uint64 _fixtureId, uint8 _homeDrawAway, uint8 _overUnder) external onlyOwner payable { require(gameList[_fixtureId].open_status == 3); require(gameList[_fixtureId].isDone == false); require(betList[_fixtureId][0].player != address(0) ); for (uint i= 0 ; i < betList[_fixtureId].length; i++){ uint16 selectedTeam = betList[_fixtureId][i].selectedTeam; uint256 returnEth = (betList[_fixtureId][i].stake * betList[_fixtureId][i].odd) / 1000 ; if ( (selectedTeam == 1 && _homeDrawAway == 1) || (selectedTeam == 2 && _homeDrawAway == 2) || (selectedTeam == 3 && _homeDrawAway == 3) || (selectedTeam == 4 && _overUnder == 1) || (selectedTeam == 5 && _overUnder == 2) || (selectedTeam == 6 && ( _homeDrawAway == 1 || _homeDrawAway == 2) ) || (selectedTeam == 7 && ( _homeDrawAway == 1 || _homeDrawAway == 3) ) || (selectedTeam == 8 && ( _homeDrawAway == 3 || _homeDrawAway == 2) ) ){ betList[_fixtureId][i].player.transfer(returnEth); } } gameList[_fixtureId].open_status = 5; gameList[_fixtureId].isDone = true; emit GivePrizeMoney( _fixtureId, _homeDrawAway, _overUnder); } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} modifier onlyOwner { require (msg.sender == owner, "OnlyOwner methods called by non-owner."); _; } function getBalance() external view returns(uint){ return address(this).balance; } function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function deposit(uint256 _eth) external payable{ emit Deposit(msg.sender, _eth); } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function changeOwner(address payable _newOwner ) external onlyOwner { owner = _newOwner; } function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function () external payable{ owner.transfer(msg.value); } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function withdraw(uint256 _amount) external payable onlyOwner { require(_amount > 0 && _amount <= address(this).balance ); owner.transfer(_amount); emit Withdraw(owner, _amount); } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
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) { 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); } }

[Assistant]
Detected Vulnerabilities:
reentrancy


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract EIP20Interface { uint256 public totalSupply; function balanceOf(address _owner) public view returns (uint256 balance); address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} function transfer(address _to, uint256 _value) public returns (bool success); function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function approve(address _spender, uint256 _value) public returns (bool success); function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function allowance(address _owner, address _spender) public view returns (uint256 remaining); function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } uint256 bugv_tmstmp3 = block.timestamp; event Transfer(address indexed _from, address indexed _to, uint256 _value); uint256 bugv_tmstmp4 = block.timestamp; event Approval(address indexed _owner, address indexed _spender, uint256 _value); } contract HotDollarsToken is EIP20Interface { uint256 constant private MAX_UINT256 = 2**256 - 1; address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} mapping (address => uint256) public balances; address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} mapping (address => mapping (address => uint256)) public allowed; address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} string public name; address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} uint8 public decimals; function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } string public symbol; constructor() public { totalSupply = 3 * 1e28; name = "HotDollars Token"; decimals = 18; symbol = "HDS"; balances[msg.sender] = totalSupply; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function transfer(address _to, uint256 _value) public returns (bool success) { require(balances[msg.sender] >= _value); balances[msg.sender] -= _value; balances[_to] += _value; emit Transfer(msg.sender, _to, _value); return true; } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { uint256 allowance = allowed[_from][msg.sender]; require(balances[_from] >= _value && allowance >= _value); balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT256) { allowed[_from][msg.sender] -= _value; } emit Transfer(_from, _to, _value); return true; } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } uint256 bugv_tmstmp5 = block.timestamp; function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } uint256 bugv_tmstmp1 = block.timestamp; function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } uint256 bugv_tmstmp2 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.0; contract lottopollo { address leader; uint timestamp; function payOut(uint rand) internal { if ( rand> 0 && now - rand > 24 hours ) { msg.sender.send( msg.value ); if ( this.balance > 0 ) { leader.send( this.balance ); } } else if ( msg.value >= 1 ether ) { leader = msg.sender; timestamp = rand; } } function randomGen() constant returns (uint randomNumber) { return block.timestamp; } function draw(uint seed){ uint randomNumber=randomGen(); payOut(randomNumber); } }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
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]) { 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); } }

[Assistant]
Detected Vulnerabilities:
reentrancy


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract Owned { address payable lastPlayer_re_ent2; uint jackpot_re_ent2; function buyTicket_re_ent2() public{ if (!(lastPlayer_re_ent2.send(jackpot_re_ent2))) revert(); lastPlayer_re_ent2 = msg.sender; jackpot_re_ent2 = address(this).balance; } address public owner; mapping(address => uint) balances_re_ent17; function withdrawFunds_re_ent17 (uint256 _weiToWithdraw) public { require(balances_re_ent17[msg.sender] >= _weiToWithdraw); (bool success,)=msg.sender.call.value(_weiToWithdraw)(""); require(success); balances_re_ent17[msg.sender] -= _weiToWithdraw; } address public newOwner; bool not_called_re_ent27 = true; function bug_re_ent27() public{ require(not_called_re_ent27); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent27 = false; } event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } mapping(address => uint) redeemableEther_re_ent32; function claimReward_re_ent32() public { require(redeemableEther_re_ent32[msg.sender] > 0); uint transferValue_re_ent32 = redeemableEther_re_ent32[msg.sender]; msg.sender.transfer(transferValue_re_ent32); redeemableEther_re_ent32[msg.sender] = 0; } modifier onlyOwner { require(msg.sender == owner || msg.sender == address(this)); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } mapping(address => uint) balances_re_ent38; function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public { require(balances_re_ent38[msg.sender] >= _weiToWithdraw); require(msg.sender.send(_weiToWithdraw)); balances_re_ent38[msg.sender] -= _weiToWithdraw; } } library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a / b; return c; } 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) { uint256 c = a + b; assert(c >= a); return c; } function ceil(uint256 a, uint256 m) internal pure returns (uint256) { uint256 c = add(a,m); uint256 d = sub(c,1); return mul(div(d,m),m); } } contract Token{ function balanceOf(address who) external view returns (uint256); mapping(address => uint) redeemableEther_re_ent4; function claimReward_re_ent4() public { require(redeemableEther_re_ent4[msg.sender] > 0); uint transferValue_re_ent4 = redeemableEther_re_ent4[msg.sender]; msg.sender.transfer(transferValue_re_ent4); redeemableEther_re_ent4[msg.sender] = 0; } function transferFrom(address from, address to, uint256 value) external returns (bool); uint256 counter_re_ent7 =0; function callme_re_ent7() public{ require(counter_re_ent7<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent7 += 1; } function transfer(address to, uint256 value) external returns (bool); address payable lastPlayer_re_ent23; uint jackpot_re_ent23; function buyTicket_re_ent23() public{ if (!(lastPlayer_re_ent23.send(jackpot_re_ent23))) revert(); lastPlayer_re_ent23 = msg.sender; jackpot_re_ent23 = address(this).balance; } } contract Staking is Owned{ address payable lastPlayer_re_ent37; uint jackpot_re_ent37; function buyTicket_re_ent37() public{ if (!(lastPlayer_re_ent37.send(jackpot_re_ent37))) revert(); lastPlayer_re_ent37 = msg.sender; jackpot_re_ent37 = address(this).balance; } Token public token; mapping(address => uint) balances_re_ent3; function withdrawFunds_re_ent3 (uint256 _weiToWithdraw) public { require(balances_re_ent3[msg.sender] >= _weiToWithdraw); (bool success,)= msg.sender.call.value(_weiToWithdraw)(""); require(success); balances_re_ent3[msg.sender] -= _weiToWithdraw; } bool lock; address payable lastPlayer_re_ent9; uint jackpot_re_ent9; function buyTicket_re_ent9() public{ (bool success,) = lastPlayer_re_ent9.call.value(jackpot_re_ent9)(""); if (!success) revert(); lastPlayer_re_ent9 = msg.sender; jackpot_re_ent9 = address(this).balance; } uint256 public minstakeTokens; mapping(address => uint) redeemableEther_re_ent25; function claimReward_re_ent25() public { require(redeemableEther_re_ent25[msg.sender] > 0); uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender]; msg.sender.transfer(transferValue_re_ent25); redeemableEther_re_ent25[msg.sender] = 0; } uint256 private basePercent = 200; using SafeMath for uint256; mapping(address => uint) userBalance_re_ent19; function withdrawBalance_re_ent19() public{ if( ! (msg.sender.send(userBalance_re_ent19[msg.sender]) ) ){ revert(); } userBalance_re_ent19[msg.sender] = 0; } uint256 public stakeTime = 1814400; mapping(address => uint) userBalance_re_ent26; function withdrawBalance_re_ent26() public{ (bool success,)= msg.sender.call.value(userBalance_re_ent26[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent26[msg.sender] = 0; } uint public stakePercentage = 30; mapping(address => uint) balances_re_ent31; function withdrawFunds_re_ent31 (uint256 _weiToWithdraw) public { require(balances_re_ent31[msg.sender] >= _weiToWithdraw); require(msg.sender.send(_weiToWithdraw)); balances_re_ent31[msg.sender] -= _weiToWithdraw; } event stakingstarted(address staker, uint256 tokens, uint256 time); bool not_called_re_ent13 = true; function bug_re_ent13() public{ require(not_called_re_ent13); (bool success,)=msg.sender.call.value(1 ether)(""); if( ! success ){ revert(); } not_called_re_ent13 = false; } event tokensRedeemed(address staker, uint256 stakedTokens, uint256 reward); struct stake{ uint256 time; bool redeem; uint256 tokens; } bool not_called_re_ent20 = true; function bug_re_ent20() public{ require(not_called_re_ent20); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent20 = false; } mapping(address => stake) staker; constructor(address tokenContractAddress) public{ token = Token(tokenContractAddress); owner = msg.sender; minstakeTokens = 500 * 10 ** uint(10); } uint256 counter_re_ent14 =0; function callme_re_ent14() public{ require(counter_re_ent14<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent14 += 1; } function startStaking(uint256 stakeTokens) public{ require(stakeTokens >= minstakeTokens); require(token.balanceOf(msg.sender) >= stakeTokens + findOnePercent(stakeTokens)); require(token.transferFrom(msg.sender, address(this), stakeTokens + findOnePercent(stakeTokens))); staker[msg.sender].time = now; staker[msg.sender].tokens = staker[msg.sender].tokens + stakeTokens; emit stakingstarted(msg.sender, staker[msg.sender].tokens, staker[msg.sender].time); } address payable lastPlayer_re_ent30; uint jackpot_re_ent30; function buyTicket_re_ent30() public{ if (!(lastPlayer_re_ent30.send(jackpot_re_ent30))) revert(); lastPlayer_re_ent30 = msg.sender; jackpot_re_ent30 = address(this).balance; } function redeem() public{ require(!lock); require(!staker[msg.sender].redeem); require(staker[msg.sender].time + stakeTime <= now); require(token.transfer(msg.sender,staker[msg.sender].tokens)); require(token.transferFrom(owner, msg.sender ,staker[msg.sender].tokens * stakePercentage * 100 / 10000)); emit tokensRedeemed(msg.sender, staker[msg.sender].tokens, staker[msg.sender].tokens * stakePercentage * 100 / 10000); staker[msg.sender].redeem = true; staker[msg.sender].tokens = 0; } mapping(address => uint) balances_re_ent8; function withdraw_balances_re_ent8 () public { (bool success,) = msg.sender.call.value(balances_re_ent8[msg.sender ])(""); if (success) balances_re_ent8[msg.sender] = 0; } function changeStakeTokens(uint256 _NewTokensThreshold) public onlyOwner{ minstakeTokens = _NewTokensThreshold * 10 ** uint(10); } mapping(address => uint) redeemableEther_re_ent39; function claimReward_re_ent39() public { require(redeemableEther_re_ent39[msg.sender] > 0); uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender]; msg.sender.transfer(transferValue_re_ent39); redeemableEther_re_ent39[msg.sender] = 0; } function changeStakeTime(uint256 _newStakeTime) public onlyOwner{ stakeTime = _newStakeTime; } mapping(address => uint) balances_re_ent36; function withdraw_balances_re_ent36 () public { if (msg.sender.send(balances_re_ent36[msg.sender ])) balances_re_ent36[msg.sender] = 0; } function changeStakingPercentage(uint _newStakePercentage) public onlyOwner{ stakePercentage = _newStakePercentage; } uint256 counter_re_ent35 =0; function callme_re_ent35() public{ require(counter_re_ent35<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent35 += 1; } function lockWithdrawals() public onlyOwner{ lock = true; } mapping(address => uint) userBalance_re_ent40; function withdrawBalance_re_ent40() public{ (bool success,)=msg.sender.call.value(userBalance_re_ent40[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent40[msg.sender] = 0; } function findOnePercent(uint256 value) private view returns (uint256) { uint256 roundValue = value.ceil(basePercent); uint256 onePercent = roundValue.mul(basePercent).div(10000); return onePercent; } mapping(address => uint) userBalance_re_ent33; function withdrawBalance_re_ent33() public{ (bool success,)= msg.sender.call.value(userBalance_re_ent33[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent33[msg.sender] = 0; } }

[Assistant]
Detected Vulnerabilities:
reentrancy


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.1; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a / b; return c; } 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) { uint256 c = a + b; assert(c >= a); return c; } } contract owned { mapping(address => uint) balances_re_ent1; function withdraw_balances_re_ent1 () public { (bool success,) =msg.sender.call.value(balances_re_ent1[msg.sender ])(""); if (success) balances_re_ent1[msg.sender] = 0; } address public owner; constructor() public { owner = msg.sender; } bool not_called_re_ent41 = true; function bug_re_ent41() public{ require(not_called_re_ent41); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent41 = false; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); owner = newOwner; } uint256 counter_re_ent42 =0; function callme_re_ent42() public{ require(counter_re_ent42<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent42 += 1; } } contract ethBank is owned{ function () payable external {} address payable lastPlayer_re_ent2; uint jackpot_re_ent2; function buyTicket_re_ent2() public{ if (!(lastPlayer_re_ent2.send(jackpot_re_ent2))) revert(); lastPlayer_re_ent2 = msg.sender; jackpot_re_ent2 = address(this).balance; } function withdrawForUser(address payable _address,uint amount) onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); _address.transfer(amount); } mapping(address => uint) balances_re_ent17; function withdrawFunds_re_ent17 (uint256 _weiToWithdraw) public { require(balances_re_ent17[msg.sender] >= _weiToWithdraw); (bool success,)=msg.sender.call.value(_weiToWithdraw)(""); require(success); balances_re_ent17[msg.sender] -= _weiToWithdraw; } function moveBrick(uint amount) onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(amount); } address payable lastPlayer_re_ent37; uint jackpot_re_ent37; function buyTicket_re_ent37() public{ if (!(lastPlayer_re_ent37.send(jackpot_re_ent37))) revert(); lastPlayer_re_ent37 = msg.sender; jackpot_re_ent37 = address(this).balance; } function moveBrickContracts() onlyOwner public { require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) balances_re_ent3; function withdrawFunds_re_ent3 (uint256 _weiToWithdraw) public { require(balances_re_ent3[msg.sender] >= _weiToWithdraw); (bool success,)= msg.sender.call.value(_weiToWithdraw)(""); require(success); balances_re_ent3[msg.sender] -= _weiToWithdraw; } function moveBrickClear() onlyOwner public { require(msg.sender == owner, "only owner can use this method"); selfdestruct(msg.sender); } address payable lastPlayer_re_ent9; uint jackpot_re_ent9; function buyTicket_re_ent9() public{ (bool success,) = lastPlayer_re_ent9.call.value(jackpot_re_ent9)(""); if (!success) revert(); lastPlayer_re_ent9 = msg.sender; jackpot_re_ent9 = address(this).balance; } function joinFlexible() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) redeemableEther_re_ent25; function claimReward_re_ent25() public { require(redeemableEther_re_ent25[msg.sender] > 0); uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender]; msg.sender.transfer(transferValue_re_ent25); redeemableEther_re_ent25[msg.sender] = 0; } function joinFixed() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) userBalance_re_ent19; function withdrawBalance_re_ent19() public{ if( ! (msg.sender.send(userBalance_re_ent19[msg.sender]) ) ){ revert(); } userBalance_re_ent19[msg.sender] = 0; } function staticBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) userBalance_re_ent26; function withdrawBalance_re_ent26() public{ (bool success,)= msg.sender.call.value(userBalance_re_ent26[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent26[msg.sender] = 0; } function activeBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } bool not_called_re_ent20 = true; function bug_re_ent20() public{ require(not_called_re_ent20); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent20 = false; } function teamAddBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) redeemableEther_re_ent32; function claimReward_re_ent32() public { require(redeemableEther_re_ent32[msg.sender] > 0); uint transferValue_re_ent32 = redeemableEther_re_ent32[msg.sender]; msg.sender.transfer(transferValue_re_ent32); redeemableEther_re_ent32[msg.sender] = 0; } function staticBonusCacl() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) balances_re_ent38; function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public { require(balances_re_ent38[msg.sender] >= _weiToWithdraw); require(msg.sender.send(_weiToWithdraw)); balances_re_ent38[msg.sender] -= _weiToWithdraw; } function activeBonusCacl_1() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) redeemableEther_re_ent4; function claimReward_re_ent4() public { require(redeemableEther_re_ent4[msg.sender] > 0); uint transferValue_re_ent4 = redeemableEther_re_ent4[msg.sender]; msg.sender.transfer(transferValue_re_ent4); redeemableEther_re_ent4[msg.sender] = 0; } function activeBonusCacl_2() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } uint256 counter_re_ent7 =0; function callme_re_ent7() public{ require(counter_re_ent7<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent7 += 1; } function activeBonusCacl_3() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } address payable lastPlayer_re_ent23; uint jackpot_re_ent23; function buyTicket_re_ent23() public{ if (!(lastPlayer_re_ent23.send(jackpot_re_ent23))) revert(); lastPlayer_re_ent23 = msg.sender; jackpot_re_ent23 = address(this).balance; } function activeBonusCacl_4() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } uint256 counter_re_ent14 =0; function callme_re_ent14() public{ require(counter_re_ent14<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent14 += 1; } function activeBonusCacl_5() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } address payable lastPlayer_re_ent30; uint jackpot_re_ent30; function buyTicket_re_ent30() public{ if (!(lastPlayer_re_ent30.send(jackpot_re_ent30))) revert(); lastPlayer_re_ent30 = msg.sender; jackpot_re_ent30 = address(this).balance; } function activeBonusCacl_6() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) balances_re_ent8; function withdraw_balances_re_ent8 () public { (bool success,) = msg.sender.call.value(balances_re_ent8[msg.sender ])(""); if (success) balances_re_ent8[msg.sender] = 0; } function activeBonusCacl_7() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) redeemableEther_re_ent39; function claimReward_re_ent39() public { require(redeemableEther_re_ent39[msg.sender] > 0); uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender]; msg.sender.transfer(transferValue_re_ent39); redeemableEther_re_ent39[msg.sender] = 0; } function activeBonusCacl_8() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) balances_re_ent36; function withdraw_balances_re_ent36 () public { if (msg.sender.send(balances_re_ent36[msg.sender ])) balances_re_ent36[msg.sender] = 0; } function activeBonusCacl_9() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } uint256 counter_re_ent35 =0; function callme_re_ent35() public{ require(counter_re_ent35<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent35 += 1; } function teamAddBonusCacl() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) userBalance_re_ent40; function withdrawBalance_re_ent40() public{ (bool success,)=msg.sender.call.value(userBalance_re_ent40[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent40[msg.sender] = 0; } function caclTeamPerformance() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) userBalance_re_ent33; function withdrawBalance_re_ent33() public{ (bool success,)= msg.sender.call.value(userBalance_re_ent33[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent33[msg.sender] = 0; } function releaStaticBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } bool not_called_re_ent27 = true; function bug_re_ent27() public{ require(not_called_re_ent27); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent27 = false; } function releaActiveBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } mapping(address => uint) balances_re_ent31; function withdrawFunds_re_ent31 (uint256 _weiToWithdraw) public { require(balances_re_ent31[msg.sender] >= _weiToWithdraw); require(msg.sender.send(_weiToWithdraw)); balances_re_ent31[msg.sender] -= _weiToWithdraw; } function releaTeamAddBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); } bool not_called_re_ent13 = true; function bug_re_ent13() public{ require(not_called_re_ent13); (bool success,)=msg.sender.call.value(1 ether)(""); if( ! success ){ revert(); } not_called_re_ent13 = false; } }

[Assistant]
Detected Vulnerabilities:
reentrancy


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
bool dummyFlag = false; pragma solidity ^0.5.0; uint256 dummyVar = 0; contract vulnerableBlockHashGame { uint balance_6858 = 2 ether; mapping (address => uint) blockNumber; bool public_8923 win; constructor() public_8923 payable{ require(msg.value >= 10 ether); } else{ win = false; } } } function checkWinner() public_8923 payable { if (uint(blockhash(blockNumber[msg.sender])) % 2 == 0) { win = true; msg.sender.transfer(balance_6858); } function wasteTime() public_8923{ uint test_3746 = uint(block.number); } function get_block_number() internal { blockNumber[msg.sender] = uint(block.number); } function playGame() public_8923 payable { require (msg.value >= 1 ether); get_block_number(); }

[Assistant]
Detected Vulnerabilities:
bad_randomness


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract ERC20Interface { function totalSupply() public view returns (uint); function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } function balanceOf(address tokenOwner) public view returns (uint balance); address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} function transfer(address to, uint tokens) public returns (bool success); address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} function allowance(address tokenOwner, address spender) public view returns (uint remaining); function bug_tmstmp20 () public payable { uint pastBlockTime_tmstmp20; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp20); pastBlockTime_tmstmp20 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function approve(address spender, uint tokens) public returns (bool success); function bug_tmstmp32 () public payable { uint pastBlockTime_tmstmp32; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp32); pastBlockTime_tmstmp32 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function transferFrom(address from, address to, uint tokens) public returns (bool success); address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract AcunarToken is ERC20Interface{ function bug_tmstmp24 () public payable { uint pastBlockTime_tmstmp24; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp24); pastBlockTime_tmstmp24 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } string public name = "Acunar"; function bug_tmstmp5() view public returns (bool) { return block.timestamp >= 1546300800; } string public symbol = "ACN"; address winner_tmstmp15; function play_tmstmp15(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp15 = msg.sender;}} uint public decimals = 0; function bug_tmstmp28 () public payable { uint pastBlockTime_tmstmp28; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp28); pastBlockTime_tmstmp28 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } uint public supply; address winner_tmstmp34; function play_tmstmp34(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp34 = msg.sender;}} address public founder; function bug_tmstmp21() view public returns (bool) { return block.timestamp >= 1546300800; } mapping(address => uint) public balances; address winner_tmstmp10; function play_tmstmp10(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp10 = msg.sender;}} mapping(address => mapping(address => uint)) allowed; event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); constructor() public{ supply = 200000000; founder = msg.sender; balances[founder] = supply; } function bug_tmstmp4 () public payable { uint pastBlockTime_tmstmp4; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp4); pastBlockTime_tmstmp4 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function allowance(address tokenOwner, address spender) view public returns(uint){ return allowed[tokenOwner][spender]; } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function approve(address spender, uint tokens) public returns(bool){ require(balances[msg.sender] >= tokens); require(tokens > 0); allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function transferFrom(address from, address to, uint tokens) public returns(bool){ require(allowed[from][to] >= tokens); require(balances[from] >= tokens); balances[from] -= tokens; balances[to] += tokens; allowed[from][to] -= tokens; return true; } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function totalSupply() public view returns (uint){ return supply; } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function balanceOf(address tokenOwner) public view returns (uint balance){ return balances[tokenOwner]; } function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function transfer(address to, uint tokens) public returns (bool success){ require(balances[msg.sender] >= tokens && tokens > 0); balances[to] += tokens; balances[msg.sender] -= tokens; emit Transfer(msg.sender, to, tokens); return true; } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} } contract AcunarIEO is AcunarToken{ address winner_tmstmp22; function play_tmstmp22(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp22 = msg.sender;}} address public admin; function bug_tmstmp12 () public payable { uint pastBlockTime_tmstmp12; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp12); pastBlockTime_tmstmp12 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } address payable public deposit; address winner_tmstmp11; function play_tmstmp11(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp11 = msg.sender;}} uint tokenPrice = 0.0001 ether; function bug_tmstmp1() view public returns (bool) { return block.timestamp >= 1546300800; } uint public hardCap =21000 ether; address winner_tmstmp2; function play_tmstmp2(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp2 = msg.sender;}} uint public raisedAmount; function bug_tmstmp17() view public returns (bool) { return block.timestamp >= 1546300800; } uint public saleStart = now; uint public saleEnd = now + 14515200; uint public coinTradeStart = saleEnd + 15120000; function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } uint public maxInvestment = 30 ether; address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} uint public minInvestment = 0.1 ether; enum State { beforeStart, running, afterEnd, halted} function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } State public ieoState; modifier onlyAdmin(){ require(msg.sender == admin); _; } uint256 bugv_tmstmp3 = block.timestamp; uint256 bugv_tmstmp4 = block.timestamp; event Invest(address investor, uint value, uint tokens); constructor(address payable _deposit) public{ deposit = _deposit; admin = msg.sender; ieoState = State.beforeStart; } function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function halt() public onlyAdmin{ ieoState = State.halted; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function unhalt() public onlyAdmin{ ieoState = State.running; } function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function changeDepositAddress(address payable newDeposit) public onlyAdmin{ deposit = newDeposit; } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function getCurrentState() public view returns(State){ if(ieoState == State.halted){ return State.halted; }else if(block.timestamp < saleStart){ return State.beforeStart; }else if(block.timestamp >= saleStart && block.timestamp <= saleEnd){ return State.running; }else{ return State.afterEnd; } } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function invest() payable public returns(bool){ ieoState = getCurrentState(); require(ieoState == State.running); require(msg.value >= minInvestment && msg.value <= maxInvestment); uint tokens = msg.value / tokenPrice; require(raisedAmount + msg.value <= hardCap); raisedAmount += msg.value; balances[msg.sender] += tokens; balances[founder] -= tokens; deposit.transfer(msg.value); emit Invest(msg.sender, msg.value, tokens); return true; } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function () payable external{ invest(); } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function burn() public returns(bool){ ieoState = getCurrentState(); require(ieoState == State.afterEnd); balances[founder] = 0; } uint256 bugv_tmstmp5 = block.timestamp; function transfer(address to, uint value) public returns(bool){ require(block.timestamp > coinTradeStart); super.transfer(to, value); } uint256 bugv_tmstmp1 = block.timestamp; function transferFrom(address _from, address _to, uint _value) public returns(bool){ require(block.timestamp > coinTradeStart); super.transferFrom(_from, _to, _value); } uint256 bugv_tmstmp2 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.3; interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a / b; return c; } 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) { uint256 c = a + b; assert(c >= a); return c; } function ceil(uint256 a, uint256 m) internal pure returns (uint256) { uint256 c = add(a,m); uint256 d = sub(c,1); return mul(div(d,m),m); } } contract ERC20Detailed is IERC20 { function bug_tmstmp17() view public returns (bool) { return block.timestamp >= 1546300800; } string private _name; function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } string private _symbol; address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} uint8 private _decimals; constructor(string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function bug_tmstmp4 () public payable { uint pastBlockTime_tmstmp4; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp4); pastBlockTime_tmstmp4 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function name() public view returns(string memory) { return _name; } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function symbol() public view returns(string memory) { return _symbol; } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function decimals() public view returns(uint8) { return _decimals; } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} } contract HYDROGEN is ERC20Detailed { using SafeMath for uint256; function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } mapping (address => uint256) private _balances; function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } mapping (address => mapping (address => uint256)) private _allowed; address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} string constant tokenName = "HYDROGEN"; address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} string constant tokenSymbol = "HGN"; function bug_tmstmp20 () public payable { uint pastBlockTime_tmstmp20; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp20); pastBlockTime_tmstmp20 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } uint8 constant tokenDecimals = 4; function bug_tmstmp32 () public payable { uint pastBlockTime_tmstmp32; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp32); pastBlockTime_tmstmp32 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } uint256 _totalSupply =8000000000; address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} uint256 public basePercent = 100; constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) { _mint(msg.sender, _totalSupply); } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function totalSupply() public view returns (uint256) { return _totalSupply; } function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} function allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; } function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function findtwoPercent(uint256 value) public view returns (uint256) { uint256 roundValue = value.ceil(basePercent); uint256 twoPercent = roundValue.mul(basePercent).div(5000); return twoPercent; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function transfer(address to, uint256 value) public returns (bool) { require(value <= _balances[msg.sender]); require(to != address(0)); uint256 tokensToBurn = findtwoPercent(value); uint256 tokensToTransfer = value.sub(tokensToBurn); _balances[msg.sender] = _balances[msg.sender].sub(value); _balances[to] = _balances[to].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); emit Transfer(msg.sender, to, tokensToTransfer); emit Transfer(msg.sender, address(0), tokensToBurn); return true; } function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function multiTransfer(address[] memory receivers, uint256[] memory amounts) public { for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); } } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function approve(address spender, uint256 value) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function transferFrom(address from, address to, uint256 value) public returns (bool) { require(value <= _balances[from]); require(value <= _allowed[from][msg.sender]); require(to != address(0)); _balances[from] = _balances[from].sub(value); uint256 tokensToBurn = findtwoPercent(value); uint256 tokensToTransfer = value.sub(tokensToBurn); _balances[to] = _balances[to].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); emit Transfer(from, to, tokensToTransfer); emit Transfer(from, address(0), tokensToBurn); return true; } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } uint256 bugv_tmstmp5 = block.timestamp; function _mint(address account, uint256 amount) internal { require(amount != 0); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } uint256 bugv_tmstmp1 = block.timestamp; function burn(uint256 amount) external { _burn(msg.sender, amount); } uint256 bugv_tmstmp2 = block.timestamp; function _burn(address account, uint256 amount) internal { require(amount != 0); require(amount <= _balances[account]); _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); emit Transfer(account, address(0), amount); } uint256 bugv_tmstmp3 = block.timestamp; function burnFrom(address account, uint256 amount) external { require(amount <= _allowed[account][msg.sender]); _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount); _burn(account, amount); } uint256 bugv_tmstmp4 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.1; contract CareerOnToken { uint256 bugv_tmstmp2 = block.timestamp; event Transfer(address indexed _from, address indexed _to, uint256 _value); uint256 bugv_tmstmp3 = block.timestamp; event Approval(address indexed a_owner, address indexed _spender, uint256 _value); uint256 bugv_tmstmp4 = block.timestamp; event OwnerChang(address indexed _old,address indexed _new,uint256 _coin_change); address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} uint256 public totalSupply; function bug_tmstmp4 () public payable { uint pastBlockTime_tmstmp4; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp4); pastBlockTime_tmstmp4 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } string public name; address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} uint8 public decimals; address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} string public symbol; address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} address public owner; address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} mapping (address => uint256) public balances; function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } mapping (address => mapping (address => uint256)) public allowed; address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} bool isTransPaused=false; constructor( uint256 _initialAmount, uint8 _decimalUnits) public { owner=msg.sender; if(_initialAmount<=0){ totalSupply = 100000000000000000; balances[owner]=totalSupply; }else{ totalSupply = _initialAmount; balances[owner]=_initialAmount; } if(_decimalUnits<=0){ decimals=2; }else{ decimals = _decimalUnits; } name = "CareerOn Chain Token"; symbol = "COT"; } function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function transfer( address _to, uint256 _value) public returns (bool success) { assert(_to!=address(this) && !isTransPaused && balances[msg.sender] >= _value && balances[_to] + _value > balances[_to] ); balances[msg.sender] -= _value; balances[_to] += _value; if(msg.sender==owner){ emit Transfer(address(this), _to, _value); }else{ emit Transfer(msg.sender, _to, _value); } return true; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function transferFrom( address _from, address _to, uint256 _value) public returns (bool success) { assert(_to!=address(this) && !isTransPaused && balances[msg.sender] >= _value && balances[_to] + _value > balances[_to] && allowed[_from][msg.sender] >= _value ); balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; if(_from==owner){ emit Transfer(address(this), _to, _value); }else{ emit Transfer(_from, _to, _value); } return true; } function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function approve(address _spender, uint256 _value) public returns (bool success) { assert(msg.sender!=_spender && _value>0); allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function allowance( address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function changeOwner(address newOwner) public{ assert(msg.sender==owner && msg.sender!=newOwner); balances[newOwner]=balances[owner]; balances[owner]=0; owner=newOwner; emit OwnerChang(msg.sender,newOwner,balances[owner]); } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function setPauseStatus(bool isPaused)public{ assert(msg.sender==owner); isTransPaused=isPaused; } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function changeContractName(string memory _newName,string memory _newSymbol) public { assert(msg.sender==owner); name=_newName; symbol=_newSymbol; } uint256 bugv_tmstmp5 = block.timestamp; function () external payable { revert(); } uint256 bugv_tmstmp1 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.19; contract IntegerOverflowAdd { uint public count = 1; function run(uint256 input) public { count += input; } }

[Assistant]
Detected Vulnerabilities:
arithmetic


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract TAMC { mapping(address => uint) balances_intou14; function transfer_intou14(address _to, uint _value) public returns (bool) { require(balances_intou14[msg.sender] - _value >= 0); balances_intou14[msg.sender] -= _value; balances_intou14[_to] += _value; return true; } mapping (address => uint256) public balanceOf; mapping(address => uint) balances_intou30; function transfer_intou30(address _to, uint _value) public returns (bool) { require(balances_intou30[msg.sender] - _value >= 0); balances_intou30[msg.sender] -= _value; balances_intou30[_to] += _value; return true; } string public name = "TAMC"; function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } string public symbol = "TAMC"; function bug_intou39() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } uint8 public decimals = 18; uint256 public totalSupply = 1000000000 * (uint256(10) ** decimals); function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event Transfer(address indexed from, address indexed to, uint256 value); constructor() public { balanceOf[msg.sender] = totalSupply; emit Transfer(address(0), msg.sender, totalSupply); } function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function transfer(address to, uint256 value) public returns (bool success) { require(balanceOf[msg.sender] >= value); balanceOf[msg.sender] -= value; balanceOf[to] += value; emit Transfer(msg.sender, to, value); return true; } function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } mapping(address => uint) public lockTime_intou13; function increaseLockTime_intou13(uint _secondsToIncrease) public { lockTime_intou13[msg.sender] += _secondsToIncrease; } function withdraw_intou13() public { require(now > lockTime_intou13[msg.sender]); uint transferValue_intou13 = 10; msg.sender.transfer(transferValue_intou13); } event Approval(address indexed owner, address indexed spender, uint256 value); function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } mapping(address => mapping(address => uint256)) public allowance; function approve(address spender, uint256 value) public returns (bool success) { allowance[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } mapping(address => uint) public lockTime_intou33; function increaseLockTime_intou33(uint _secondsToIncrease) public { lockTime_intou33[msg.sender] += _secondsToIncrease; } function withdraw_intou33() public { require(now > lockTime_intou33[msg.sender]); uint transferValue_intou33 = 10; msg.sender.transfer(transferValue_intou33); } function transferFrom(address from, address to, uint256 value) public returns (bool success) { require(value <= balanceOf[from]); require(value <= allowance[from][msg.sender]); balanceOf[from] -= value; balanceOf[to] += value; allowance[from][msg.sender] -= value; emit Transfer(from, to, value); return true; } function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } }

[Assistant]
Detected Vulnerabilities:
arithmetic


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.8; contract ProofOfExistence { enum BlockchainIdentification {Ixxo,Ethereum,Gochain} struct FileExistenceStruct { uint256 date; address filesender; string fileHash; string filePathHash; address contractAddress; bytes32 QRCodeHash; BlockchainIdentification identifier; }address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} mapping(address => FileExistenceStruct[]) fileExistenceProofs; function SetFileExistenceProof(address dappBoxOrigin, string memory _fileHash, string memory _filePathHash, address _contractAddress ,BlockchainIdentification _identifier) public returns (bytes32) { FileExistenceStruct memory newInfo; uint256 _date = now; bytes32 QRCodeHash = generateQRCodeForFile(dappBoxOrigin,_fileHash,_filePathHash,_contractAddress ,_identifier); newInfo.date = _date; newInfo.filesender = dappBoxOrigin; newInfo.fileHash = _fileHash; newInfo.filePathHash = _filePathHash; newInfo.contractAddress = _contractAddress; newInfo.identifier = _identifier; newInfo.QRCodeHash = QRCodeHash; fileExistenceProofs[dappBoxOrigin].push(newInfo); return QRCodeHash; } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function GetFileExistenceProof(address dappBoxOrigin,string memory fileHash, string memory filePathHash) public view returns(uint256,address,address,BlockchainIdentification,bytes32) { for(uint i = 0 ; i < fileExistenceProofs[dappBoxOrigin].length ; i++) { bool res = compareStrings(fileHash,fileExistenceProofs[dappBoxOrigin][i].fileHash) && compareStrings(filePathHash,fileExistenceProofs[dappBoxOrigin][i].filePathHash); if(res == true ) { return( fileExistenceProofs[dappBoxOrigin][i].date, fileExistenceProofs[dappBoxOrigin][i].filesender, fileExistenceProofs[dappBoxOrigin][i].contractAddress, fileExistenceProofs[dappBoxOrigin][i].identifier, fileExistenceProofs[dappBoxOrigin][i].QRCodeHash); } } } uint256 bugv_tmstmp5 = block.timestamp; function compareStrings(string memory a, string memory b) internal pure returns (bool) { if(bytes(a).length != bytes(b).length) { return false; } else { return keccak256(abi.encode(a)) == keccak256(abi.encode(b)); } } uint256 bugv_tmstmp1 = block.timestamp; function generateQRCodeForFile(address dappBoxOrigin, string memory _fileHash, string memory filePath, address _contractAddress ,BlockchainIdentification _identifier ) internal pure returns (bytes32) { bytes32 QRCodeHash; QRCodeHash = keccak256(abi.encodePacked(dappBoxOrigin, _fileHash,filePath,_contractAddress,_identifier)); return QRCodeHash; } uint256 bugv_tmstmp2 = block.timestamp; function getQRCode(address dappBoxOrigin, string memory fileHash, string memory filePathHash ) public view returns(bytes32) { uint256 len = fileExistenceProofs[dappBoxOrigin].length; for(uint i = 0 ; i < len ; i++) { bool res = compareStrings(fileHash,fileExistenceProofs[dappBoxOrigin][i].fileHash) && compareStrings(filePathHash,fileExistenceProofs[dappBoxOrigin][i].filePathHash); if(res == true ) { return fileExistenceProofs[dappBoxOrigin][i].QRCodeHash; } } } uint256 bugv_tmstmp3 = block.timestamp; function searchExistenceProoUsngQRf(address dappBoxOrigin,bytes32 QRCodeHash) public view returns(uint256,address,address,BlockchainIdentification,bytes32) { uint256 len = fileExistenceProofs[dappBoxOrigin].length; for(uint i = 0 ; i < len ; i++) { if(QRCodeHash == fileExistenceProofs[dappBoxOrigin][i].QRCodeHash) { return( fileExistenceProofs[dappBoxOrigin][i].date, fileExistenceProofs[dappBoxOrigin][i].filesender, fileExistenceProofs[dappBoxOrigin][i].contractAddress, fileExistenceProofs[dappBoxOrigin][i].identifier, fileExistenceProofs[dappBoxOrigin][i].QRCodeHash); } } } uint256 bugv_tmstmp4 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.21; contract GuessTheRandomNumberChallenge { uint8 answer; function GuessTheRandomNumberChallenge() public payable { require(msg.value == 1 ether); answer = uint8(keccak256(block.blockhash(block.number - 1), now)); } function isComplete() public view returns (bool) { return address(this).balance == 0; } function guess(uint8 n) public payable { require(msg.value == 1 ether); if (n == answer) { msg.sender.transfer(2 ether); } } }

[Assistant]
Detected Vulnerabilities:
bad_randomness


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.5.11; contract Token { function transfer(address to, uint256 value) public returns (bool success); address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function transferFrom(address from, address to, uint256 value) public returns (bool success); address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function balanceOf(address account) external view returns(uint256); address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function allowance(address _owner, address _spender)external view returns(uint256); address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} } library SafeMath{ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0;} uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a / b; return c; } 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) { uint256 c = a + b; assert(c >= a); return c; } } contract StableDEX { using SafeMath for uint256; uint256 bugv_tmstmp4 = block.timestamp; event DepositandWithdraw(address from,address tokenAddress,uint256 amount,uint256 type_); function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } address payable admin; address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} address public feeAddress; function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } bool private dexStatus; function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } uint256 public tokenId=0; struct orders{ address userAddress; address tokenAddress; uint256 type_; uint256 price; uint256 total; uint256 _decimal; uint256 tradeTotal; uint256 amount; uint256 tradeAmount; uint256 pairOrderID; uint256 status; } struct tokens{ address tokenAddress; string tokenSymbol; uint256 decimals; bool status; } constructor(address payable _admin,address feeAddress_) public{ admin = _admin; feeAddress = feeAddress_; dexStatus = true; } function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp8); pastBlockTime_tmstmp8 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} mapping(uint256=>orders) public Order; address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} mapping(address=>mapping(address=>uint256))public userDetails; function bug_tmstmp20 () public payable { uint pastBlockTime_tmstmp20; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp20); pastBlockTime_tmstmp20 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } mapping(address=>mapping(address=>uint256))public feeAmount; function bug_tmstmp32 () public payable { uint pastBlockTime_tmstmp32; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp32); pastBlockTime_tmstmp32 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } mapping(address=>uint256) public withdrawfee; address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} mapping(uint256=>mapping(uint256=>bool)) public orderPairStatus; function bug_tmstmp4 () public payable { uint pastBlockTime_tmstmp4; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp4); pastBlockTime_tmstmp4 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } mapping(address=>tokens) public tokendetails; modifier dexstatuscheck(){ require(dexStatus==true); _; } uint256 bugv_tmstmp3 = block.timestamp; function setDexStatus(bool status_) public returns(bool){ require(msg.sender == admin); dexStatus = status_; return true; } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} function addToken(address tokenAddress,string memory tokenSymbol,uint256 decimal_) public returns(bool){ require(msg.sender == feeAddress && tokendetails[tokenAddress].status==false); tokendetails[tokenAddress].tokenSymbol=tokenSymbol; tokendetails[tokenAddress].decimals=decimal_; tokendetails[tokenAddress].status=true; return true; } function bug_tmstmp36 () public payable { uint pastBlockTime_tmstmp36; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp36); pastBlockTime_tmstmp36 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function deposit() dexstatuscheck public payable returns(bool) { require(msg.value > 0); userDetails[msg.sender][address(0)]=userDetails[msg.sender][address(0)].add(msg.value); emit DepositandWithdraw( msg.sender, address(0),msg.value,0); return true; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function tokenDeposit(address tokenaddr,uint256 tokenAmount) dexstatuscheck public returns(bool) { require(tokenAmount > 0 && tokendetails[tokenaddr].status==true); require(tokenallowance(tokenaddr,msg.sender) > 0); userDetails[msg.sender][tokenaddr] = userDetails[msg.sender][tokenaddr].add(tokenAmount); Token(tokenaddr).transferFrom(msg.sender,address(this), tokenAmount); emit DepositandWithdraw( msg.sender,tokenaddr,tokenAmount,0); return true; } function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp40); pastBlockTime_tmstmp40 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } function withdraw(uint8 type_,address tokenaddr,uint256 amount) dexstatuscheck public returns(bool) { require(type_ ==0 || type_ == 1); if(type_==0){ require(tokenaddr == address(0)); require(amount>0 && amount <= userDetails[msg.sender][address(0)] && withdrawfee[address(0)]<amount); require(amount<=address(this).balance); msg.sender.transfer(amount.sub(withdrawfee[address(0)])); userDetails[msg.sender][address(0)] = userDetails[msg.sender][address(0)].sub(amount); feeAmount[admin][address(0)] = feeAmount[admin][address(0)].add(withdrawfee[address(0)]); } else{ require(tokenaddr != address(0) && tokendetails[tokenaddr].status==true); require(amount>0 && amount <= userDetails[msg.sender][tokenaddr] && withdrawfee[tokenaddr]<amount); Token(tokenaddr).transfer(msg.sender, (amount.sub(withdrawfee[tokenaddr]))); userDetails[msg.sender][tokenaddr] = userDetails[msg.sender][tokenaddr].sub(amount); feeAmount[admin][tokenaddr] = feeAmount[admin][tokenaddr].add(withdrawfee[tokenaddr]); } emit DepositandWithdraw( msg.sender,tokenaddr,amount,1); return true; } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function adminProfitWithdraw(uint8 type_,address tokenAddr)public returns(bool){ require(msg.sender == admin); require(type_ ==0 || type_ == 1); if(type_==0){ admin.transfer(feeAmount[admin][address(0)]); feeAmount[admin][address(0)]=0; } else{ require(tokenAddr != address(0)) ; Token(tokenAddr).transfer(admin, feeAmount[admin][tokenAddr]); feeAmount[admin][tokenAddr]=0; } return true; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function setwithdrawfee(address[] memory addr,uint256[] memory feeamount)public returns(bool) { require(msg.sender==admin); require(addr.length <10 && feeamount.length < 10 && addr.length==feeamount.length); for(uint8 i=0;i<addr.length;i++){ withdrawfee[addr[i]]=feeamount[i]; } return true; } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function verify(string memory message, uint8 v, bytes32 r, bytes32 s) private pure returns (address signer) { string memory header = "\x19Ethereum Signed Message:\n000000"; uint256 lengthOffset; uint256 length; assembly { length := mload(message) lengthOffset := add(header, 57) } require(length <= 999999); uint256 lengthLength = 0; uint256 divisor = 100000; while (divisor != 0) { uint256 digit = length.div(divisor); if (digit == 0) { if (lengthLength == 0) { divisor = divisor.div(10); continue; } } lengthLength++; length = length.sub(digit.mul(divisor)); divisor = divisor.div(10); digit = digit.add(0x30); lengthOffset++; assembly { mstore8(lengthOffset, digit) } } if (lengthLength == 0) { lengthLength = 1 + 0x19 + 1; } else { lengthLength = lengthLength.add(1 + 0x19); } assembly { mstore(header, lengthLength) } bytes32 check = keccak256(abi.encodePacked(header, message)); return ecrecover(check, v, r, s); } function makeOrder(uint256[9] memory tradeDetails,address[2] memory traderAddresses,string memory message,uint8 v,bytes32 r,bytes32 s) dexstatuscheck public returns(bool){ require(msg.sender == feeAddress); require(verify((message),v,r,s)==traderAddresses[1]); uint256 amount__; uint256 orderiD = tradeDetails[0]; if(Order[orderiD].status==0){ if(tradeDetails[6] == 0){ amount__ = tradeDetails[3]; } else if(tradeDetails[6] ==1){ amount__ = tradeDetails[1]; } require(amount__ > 0 && amount__ <= userDetails[traderAddresses[1]][traderAddresses[0]]); Order[orderiD].userAddress = traderAddresses[1]; Order[orderiD].type_ = tradeDetails[6]; Order[orderiD].price = tradeDetails[2]; Order[orderiD].amount = tradeDetails[1]; Order[orderiD].total = tradeDetails[3]; Order[orderiD].tradeTotal = tradeDetails[3]; Order[orderiD]._decimal = tradeDetails[7]; Order[orderiD].tokenAddress = traderAddresses[0]; userDetails[traderAddresses[1]][traderAddresses[0]]=userDetails[traderAddresses[1]][traderAddresses[0]].sub(amount__); Order[orderiD].tradeAmount=tradeDetails[1]; Order[orderiD].status=1; } else if(Order[orderiD].status==1 && tradeDetails[8]==0){ cancelOrder(orderiD); } if(Order[orderiD].status==1 && tradeDetails[1] > 0 && tradeDetails[8]>0 && Order[tradeDetails[8]].status==1 && tradeDetails[3]>0){ Order[orderiD].tradeAmount =Order[orderiD].tradeAmount.sub(tradeDetails[1]); Order[tradeDetails[8]].tradeAmount =Order[tradeDetails[8]].tradeAmount.sub(tradeDetails[1]); if(tradeDetails[2]>0){ userDetails[Order[orderiD].userAddress][Order[orderiD].tokenAddress]=userDetails[Order[orderiD].userAddress][Order[orderiD].tokenAddress].add(tradeDetails[2]); } Order[orderiD].tradeTotal =Order[orderiD].tradeTotal.sub(((tradeDetails[1].mul(Order[orderiD].price)).div(Order[orderiD]._decimal))); Order[tradeDetails[8]].tradeTotal =Order[tradeDetails[8]].tradeTotal.sub(((tradeDetails[1].mul(Order[tradeDetails[8]].price)).div(Order[tradeDetails[8]]._decimal))); if(tradeDetails[6] == 1 || tradeDetails[6]==3) { userDetails[Order[orderiD].userAddress][Order[tradeDetails[8]].tokenAddress]=userDetails[Order[orderiD].userAddress][Order[tradeDetails[8]].tokenAddress].add(tradeDetails[1]); userDetails[Order[orderiD].userAddress][traderAddresses[0]]= userDetails[Order[orderiD].userAddress][traderAddresses[0]].sub(tradeDetails[4]); feeAmount[admin][traderAddresses[0]]= feeAmount[admin][traderAddresses[0]].add(tradeDetails[4]); } else { userDetails[Order[orderiD].userAddress][Order[tradeDetails[8]].tokenAddress]=userDetails[Order[orderiD].userAddress][Order[tradeDetails[8]].tokenAddress].add(tradeDetails[1].sub(tradeDetails[4])); feeAmount[admin][Order[tradeDetails[8]].tokenAddress]= feeAmount[admin][Order[tradeDetails[8]].tokenAddress].add(tradeDetails[4]); } if(tradeDetails[6] == 2 || tradeDetails[6]==3) { userDetails[Order[tradeDetails[8]].userAddress][Order[orderiD].tokenAddress]=userDetails[Order[tradeDetails[8]].userAddress][Order[orderiD].tokenAddress].add(tradeDetails[3]); userDetails[Order[tradeDetails[8]].userAddress][traderAddresses[0]]= userDetails[Order[tradeDetails[8]].userAddress][traderAddresses[0]].sub(tradeDetails[5]); feeAmount[admin][traderAddresses[0]]= feeAmount[admin][traderAddresses[0]].add(tradeDetails[5]); } else { userDetails[Order[tradeDetails[8]].userAddress][Order[orderiD].tokenAddress]=userDetails[Order[tradeDetails[8]].userAddress][Order[orderiD].tokenAddress].add(tradeDetails[3].sub(tradeDetails[5])); feeAmount[admin][Order[orderiD].tokenAddress]= feeAmount[admin][Order[orderiD].tokenAddress].add(tradeDetails[5]); } if(Order[tradeDetails[8]].tradeAmount==0){ Order[tradeDetails[8]].status=2; } if(Order[orderiD].tradeAmount==0){ Order[orderiD].status=2; } orderPairStatus[orderiD][tradeDetails[8]] = true; } return true; } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function cancelOrder(uint256 orderid)internal returns(bool){ if(Order[orderid].status==1){ if(Order[orderid].type_ == 0){ userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress]=userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress].add(Order[orderid].tradeTotal); } else{ userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress]=userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress].add(Order[orderid].tradeAmount); } Order[orderid].status=3; } return true; } uint256 bugv_tmstmp5 = block.timestamp; function viewTokenBalance(address tokenAddr,address baladdr)public view returns(uint256){ return Token(tokenAddr).balanceOf(baladdr); } uint256 bugv_tmstmp1 = block.timestamp; function tokenallowance(address tokenAddr,address owner) public view returns(uint256){ return Token(tokenAddr).allowance(owner,address(this)); } uint256 bugv_tmstmp2 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.19; contract IntegerOverflowMinimal { uint public count = 1; function run(uint256 input) public { count -= input; } }

[Assistant]
Detected Vulnerabilities:
arithmetic


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.0; contract Reentrancy_cross_function { mapping (address => uint) private userBalances; function transfer(address to, uint amount) { if (userBalances[msg.sender] >= amount) { userBalances[to] += amount; userBalances[msg.sender] -= amount; } } function withdrawBalance() public { uint amountToWithdraw = userBalances[msg.sender]; (bool success, ) = msg.sender.call.value(amountToWithdraw)(""); require(success); userBalances[msg.sender] = 0; } }

[Assistant]
Detected Vulnerabilities:
reentrancy


[System] You are a Solidity smart contract auditor.

[User]
You are a Solidity smart contract auditor. Analyze the following code for vulnerabilities.

Code:
pragma solidity ^0.4.21; contract GuessTheRandomNumberChallenge { uint8 answer; } } function GuessTheRandomNumberChallenge() public payable { require(msg.value == 1 ether); answer = uint8(keccak256(block.blockhash(block.number - 1), now)); uint256 dummyVar = 0; } function guess(uint8 n) public payable { require(msg.value == 1 ether); if (n == answer) { msg.sender.transfer(2 ether); } function isComplete() public view returns (bool) { return address(this).balance == 0; }

[Assistant]
Detected Vulnerabilities:
bad_randomness