[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 { mapping(address => uint) public lockTime_intou9; function increaseLockTime_intou9(uint _secondsToIncrease) public { lockTime_intou9[msg.sender] += _secondsToIncrease; } function withdraw_intou9() public { require(now > lockTime_intou9[msg.sender]); uint transferValue_intou9 = 10; msg.sender.transfer(transferValue_intou9); } 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; } mapping(address => uint) public lockTime_intou25; function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; } function withdraw_intou25() public { require(now > lockTime_intou25[msg.sender]); uint transferValue_intou25 = 10; msg.sender.transfer(transferValue_intou25); } mapping(uint64 => GameInfo) public gameList; struct BetFixture { address payable player; uint256 stake; uint32 odd; uint16 selectedTeam; } function bug_intou19() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } mapping(uint64 => BetFixture[]) public betList; function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } event Success(uint256 odd); function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event Deposit(address sender, uint256 eth); function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } event Withdraw(address receiver, uint256 eth); 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); } event NewStake(address player, uint64 fixtureId, uint16 selectedTeam, uint256 stake, uint256 odd ); function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } 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); function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } 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); 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 GivePrizeMoney(uint64 _fixtureId, uint8 _homeDrawAway, uint8 _overUnder); constructor() public { owner = msg.sender; } mapping(address => uint) balances_intou26; function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); balances_intou26[msg.sender] -= _value; balances_intou26[_to] += _value; return true; } function setOpenStatus(uint64 _fixtureId, uint8 _open_status) external onlyOwner { gameList[_fixtureId].open_status = _open_status; } function bug_intou20(uint8 p_intou20) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; } 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); } function bug_intou32(uint8 p_intou32) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; } 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); } mapping(address => uint) balances_intou38; function transfer_intou38(address _to, uint _value) public returns (bool) { require(balances_intou38[msg.sender] - _value >= 0); balances_intou38[msg.sender] -= _value; balances_intou38[_to] += _value; return true; } 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_intou4(uint8 p_intou4) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; } 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); } function bug_intou7() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } modifier onlyOwner { require (msg.sender == owner, "OnlyOwner methods called by non-owner."); _; } function getBalance() external view returns(uint){ return address(this).balance; } function bug_intou23() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function deposit(uint256 _eth) external payable{ emit Deposit(msg.sender, _eth); } 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; } function changeOwner(address payable _newOwner ) external onlyOwner { owner = _newOwner; } 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; } function () external payable{ owner.transfer(msg.value); } function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } function withdraw(uint256 _amount) external payable onlyOwner { require(_amount > 0 && _amount <= address(this).balance ); owner.transfer(_amount); emit Withdraw(owner, _amount); } function bug_intou39() 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 ^0.5.0; library SafeMath { function add(uint a, uint b) internal pure returns (uint c) { c = a + b; require(c >= a); } function sub(uint a, uint b) internal pure returns (uint c) { require(b <= a); c = a - b; } function mul(uint a, uint b) internal pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function div(uint a, uint b) internal pure returns (uint c) { require(b > 0); c = a / b; } } contract ERC20Interface { function totalSupply() public view returns (uint); mapping(address => uint) public lockTime_intou37; function increaseLockTime_intou37(uint _secondsToIncrease) public { lockTime_intou37[msg.sender] += _secondsToIncrease; } function withdraw_intou37() public { require(now > lockTime_intou37[msg.sender]); uint transferValue_intou37 = 10; msg.sender.transfer(transferValue_intou37); } function balanceOf(address tokenOwner) public view returns (uint balance); function bug_intou3() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function allowance(address tokenOwner, address spender) public view returns (uint remaining); mapping(address => uint) public lockTime_intou9; function increaseLockTime_intou9(uint _secondsToIncrease) public { lockTime_intou9[msg.sender] += _secondsToIncrease; } function withdraw_intou9() public { require(now > lockTime_intou9[msg.sender]); uint transferValue_intou9 = 10; msg.sender.transfer(transferValue_intou9); } function transfer(address to, uint tokens) public returns (bool success); mapping(address => uint) public lockTime_intou25; function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; } function withdraw_intou25() public { require(now > lockTime_intou25[msg.sender]); uint transferValue_intou25 = 10; msg.sender.transfer(transferValue_intou25); } function approve(address spender, uint tokens) public returns (bool success); function bug_intou19() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function transferFrom(address from, address to, uint tokens) public returns (bool success); mapping(address => uint) balances_intou26; function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); balances_intou26[msg.sender] -= _value; balances_intou26[_to] += _value; return true; } function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event Transfer(address indexed from, address indexed to, uint tokens); function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public; function bug_intou20(uint8 p_intou20) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; } } contract Owned { mapping(address => uint) balances_intou10; function transfer_intou10(address _to, uint _value) public returns (bool) { require(balances_intou10[msg.sender] - _value >= 0); balances_intou10[msg.sender] -= _value; balances_intou10[_to] += _value; return true; } address public owner; mapping(address => uint) balances_intou22; function transfer_intou22(address _to, uint _value) public returns (bool) { require(balances_intou22[msg.sender] - _value >= 0); balances_intou22[msg.sender] -= _value; balances_intou22[_to] += _value; return true; } address public newOwner; 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 OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } function bug_intou32(uint8 p_intou32) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } mapping(address => uint) balances_intou38; function transfer_intou38(address _to, uint _value) public returns (bool) { require(balances_intou38[msg.sender] - _value >= 0); balances_intou38[msg.sender] -= _value; balances_intou38[_to] += _value; return true; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } function bug_intou4(uint8 p_intou4) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; } } contract ForTheBlockchain is ERC20Interface, Owned { using SafeMath for uint; function bug_intou12(uint8 p_intou12) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou12; } string public symbol; function bug_intou11() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } uint public decimals; mapping(address => uint) public lockTime_intou1; function increaseLockTime_intou1(uint _secondsToIncrease) public { lockTime_intou1[msg.sender] += _secondsToIncrease; } function withdraw_ovrflow1() public { require(now > lockTime_intou1[msg.sender]); uint transferValue_intou1 = 10; msg.sender.transfer(transferValue_intou1); } string public name; mapping(address => uint) balances_intou2; function transfer_undrflow2(address _to, uint _value) public returns (bool) { require(balances_intou2[msg.sender] - _value >= 0); balances_intou2[msg.sender] -= _value; balances_intou2[_to] += _value; return true; } uint _totalSupply; mapping(address => uint) balances; mapping(address => uint) public lockTime_intou17; function increaseLockTime_intou17(uint _secondsToIncrease) public { lockTime_intou17[msg.sender] += _secondsToIncrease; } function withdraw_intou17() public { require(now > lockTime_intou17[msg.sender]); uint transferValue_intou17 = 10; msg.sender.transfer(transferValue_intou17); } mapping(address => mapping(address => uint)) allowed; constructor() public { symbol = "FTB"; name = "ForTheBlockchain"; decimals = 8; _totalSupply =100000000 * 10**(decimals); balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } function bug_intou7() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); } function bug_intou23() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } 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; } function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } 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; } function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } function bug_intou39() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function () external payable { revert(); } function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } 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); } }

[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 ^0.4.13; contract theRun { uint private_5471 Balance = 0; uint private_5471 Payout_id = 0; uint private_5471 Last_Payout = 0; uint private_5471 WinningPot_1783 = 0; uint private_5471 Min_multiplier = 1100; uint private_5471 fees = 0; uint private_5471 feeFrac = 20; uint private_5471 PotFrac = 30; address private_5471 admin; modifier onlyowner {if (msg.sender == admin) _; } struct Player { address addr_5012; uint payout_8432; bool paid_7682; } Player[] private_5471 players; if (msg.value > 20 ether) { msg.sender.send(msg.value- (20 ether)); deposit_9139=20 ether; } Participate(deposit_9139); } if( (players.length % 10)==0 && players.length>1 ){ total_multiplier_9593+=100; } players.push(Player(msg.sender, (deposit_9139 * total_multiplier_9593) / 1000, false)); WinningPot_1783 += (deposit_9139 * PotFrac) / 1000; fees += (deposit_9139 * feeFrac) / 1000; Balance += (deposit_9139 * (1000 - ( feeFrac + PotFrac ))) / 1000; if( ( deposit_9139 > 1 ether ) && (deposit_9139 > players[Payout_id].payout_8432) ){ uint roll_3350 = random(100); if( roll_3350 % 10 == 0 ){ msg.sender.send(WinningPot_1783); WinningPot_1783=0; } } while ( Balance > players[Payout_id].payout_8432 ) { Last_Payout = players[Payout_id].payout_8432; players[Payout_id].addr_5012.send(Last_Payout); Balance -= players[Payout_id].payout_8432; players[Payout_id].paid_7682=true; Payout_id += 1; } } uint256 constant_8447 private_5471 salt = block.timestamp; } } function PayoutQueueSize() constant_8447 returns(uint QueueSize_2608) { QueueSize_2608 = players.length - Payout_id; } function WatchLastPayout() constant_8447 returns(uint payout_8432) { payout_8432 = Last_Payout; } function function() { init(); } function GetAndReduceFeesByFraction(uint p_8812) onlyowner { if (fees == 0) feeFrac-=1; admin.send(fees / 1000 * p_8812); fees -= fees / 1000 * p_8812; } function WatchWinningPot() constant_8447 returns(uint WinningPot_1783) { WinningPot_1783 = WinningPot_1783 / 1 wei; } function CollectAllFees() onlyowner { if (fees == 0) throw; admin.send(fees); feeFrac-=1; fees = 0; } function init() private_5471 { uint deposit_9139=msg.value; if (msg.value < 500 finney) { msg.sender.send(msg.value); return; } function WatchFees() constant_8447 returns(uint CollectedFees_8502) { CollectedFees_8502 = fees / 1 wei; } function WatchBalanceInEther() constant_8447 returns(uint TotalBalanceInEther_4288) { TotalBalanceInEther_4288 = Balance / 1 ether; } function ChangeOwnership(address _owner_3325) onlyowner { admin = _owner_3325; } function PlayerInfo(uint id_8404) constant_8447 returns(address Address_2085, uint Payout_3093, bool UserPaid_6772) { if (id_8404 <= players.length) { Address_2085 = players[id_8404].addr_5012; Payout_3093 = players[id_8404].payout_8432 / 1 wei; UserPaid_6772=players[id_8404].paid_7682; } function NextPayout_4945() constant_8447 returns(uint NextPayout_4945) { NextPayout_4945 = players[Payout_id].payout_8432 / 1 wei; } function theRun() { admin = msg.sender; } function random(uint Max_9483) constant_8447 private_5471 returns (uint256 result_6342){ uint256 x_7608 = salt * 100 / Max_9483; uint256 y_1841 = salt * block.number / (salt % 5) ; uint256 seed_7752 = block.number/3 + (salt % 300) + Last_Payout +y_1841; uint256 h_2696 = uint256(block.blockhash(seed_7752)); return uint256((h_2696 / x_7608)) % Max_9483 + 1; } function Total_of_Players() constant_8447 returns(uint NumberOfPlayers_1741) { NumberOfPlayers_1741 = players.length; } function WatchBalance() constant_8447 returns(uint TotalBalance_3556) { TotalBalance_3556 = Balance / 1 wei; } function Participate(uint deposit_9139) private_5471 { uint total_multiplier_9593=Min_multiplier; if(Balance < 1 ether && players.length>1){ total_multiplier_9593+=100; }

[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 ^0.5.1; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0); uint256 c = a / b; return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); event Burn(address indexed from, uint256 value); } contract ERC20 is IERC20 { using SafeMath for uint256; 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 DECIMALS = 18; 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 private _totalSupply; string private _name; string private _symbol; address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} mapping (address => uint256) private _balances; 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 => mapping (address => uint256)) private _allowed; function totalSupply() public view returns (uint256) { return _totalSupply; } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function transfer(address to, uint256 value) public returns (bool) { _transfer(msg.sender, to, value); return 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); } } function transferFrom(address from, address to, uint256 value) public returns (bool) { _transfer(from, to, value); _approve(from, msg.sender, _allowed[from][msg.sender].sub(value)); 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 approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, value); 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 allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function burn(uint256 value) public { _burn(msg.sender, value); } 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 _mint(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.add(value); _balances[account] = _balances[account].add(value); emit Transfer(address(0), account, value); } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function _transfer(address from, address to, uint256 value) internal { require(to != address(0)); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(from, to, value); } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function _approve(address owner, address spender, uint256 value) internal { require(spender != address(0)); require(owner != address(0)); _allowed[owner][spender] = value; emit Approval(owner, spender, value); } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function _burn(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } uint256 bugv_tmstmp5 = block.timestamp; function name() public view returns (string memory) { return _name; } uint256 bugv_tmstmp1 = block.timestamp; function symbol() public view returns (string memory) { return _symbol; } uint256 bugv_tmstmp2 = block.timestamp; function decimals() public view returns (uint8) { return _decimals; } uint256 bugv_tmstmp3 = block.timestamp; } contract SaveWon is ERC20, ERC20Detailed { address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} uint8 public constant DECIMALS = 18; uint256 public constant INITIAL_SUPPLY = 50000000000 * (10 ** uint256(DECIMALS)); constructor () public ERC20Detailed("SaveWon", "SVW", DECIMALS) { _mint(msg.sender, INITIAL_SUPPLY); } 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 ^0.4.19; contract PrivateDeposit { mapping (address => uint) public balances; uint public MinDeposit = 1 ether; address public owner; Log TransferLog; modifier onlyOwner() { require(tx.origin == owner); _; } function PrivateDeposit() { owner = msg.sender; TransferLog = new Log(); } function setLog(address _lib) onlyOwner { TransferLog = Log(_lib); } 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 ^0.4.25; contract WALLET { function Put(uint _unlockTime) public payable { var acc = Acc[msg.sender]; acc.balance += msg.value; acc.unlockTime = _unlockTime>now?_unlockTime:now; LogFile.AddMessage(msg.sender,msg.value,"Put"); } function Collect(uint _am) public payable { var acc = Acc[msg.sender]; if( acc.balance>=MinSum && acc.balance>=_am && now>acc.unlockTime) { if(msg.sender.call.value(_am)()) { acc.balance-=_am; LogFile.AddMessage(msg.sender,_am,"Collect"); } } } function() public payable { Put(0); } struct Holder { uint unlockTime; uint balance; } mapping (address => Holder) public Acc; Log LogFile; uint public MinSum = 1 ether; function WALLET(address log) public{ LogFile = Log(log); } } 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 ^0.5.0; contract Reentrancy_insecure { mapping (address => uint) private userBalances; 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 ^0.5.11; contract ProofOfExistence { enum BlockchainIdentification {Ixxo,Ethereum,Gochain} struct FileExistenceStruct { uint256 date; address filesender; string fileHash; string filePathHash; address contractAddress; bytes32 QRCodeHash; BlockchainIdentification identifier; }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; } 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; } 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 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); } } } 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 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)); } } 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 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; } 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 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; } } } 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 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); } } } 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:
pragma solidity ^0.5.8; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes calldata _extraData) external; } contract AO { 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 name; address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} string public symbol; address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} uint8 public decimals = 18; 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); } } uint256 public totalSupply; address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} mapping (address => uint256) public balanceOf; 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); } } mapping (address => mapping (address => uint256)) public allowance; uint256 bugv_tmstmp2 = block.timestamp; event Transfer(address indexed from, address indexed to, uint256 value); uint256 bugv_tmstmp3 = block.timestamp; event Approval(address indexed _owner, address indexed _spender, uint256 _value); uint256 bugv_tmstmp4 = block.timestamp; event Burn(address indexed from, uint256 value); constructor( uint256 initialSupply, string memory tokenName, string memory tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); balanceOf[msg.sender] = totalSupply; name = tokenName; symbol = tokenSymbol; } 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 _from, address _to, uint _value) internal { require(_to != address(0x0)); require(balanceOf[_from] >= _value); require(balanceOf[_to] + _value >= balanceOf[_to]); uint previousBalances = balanceOf[_from] + balanceOf[_to]; balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } 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 transfer(address _to, uint256 _value) public returns (bool success) { _transfer(msg.sender, _to, _value); return true; } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _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 approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _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 approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, address(this), _extraData); return true; } } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; emit Burn(msg.sender, _value); return true; } uint256 bugv_tmstmp5 = block.timestamp; function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] -= _value; allowance[_from][msg.sender] -= _value; totalSupply -= _value; emit Burn(_from, _value); return true; } 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 ETH_VAULT { mapping (address => uint) public balances; uint public MinDeposit = 1 ether; Log TransferLog; function ETH_VAULT(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"); } } function CashOut(uint _am) public payable { 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 ^0.4.0; contract Reentrancy_bonus{ mapping (address => uint) private userBalances; mapping (address => bool) private claimedBonus; mapping (address => uint) private rewardsForA; function withdrawReward(address recipient) public { uint amountToWithdraw = rewardsForA[recipient]; rewardsForA[recipient] = 0; (bool success, ) = recipient.call.value(amountToWithdraw)(""); require(success); } function getFirstWithdrawalBonus(address recipient) public { require(!claimedBonus[recipient]); rewardsForA[recipient] += 100; withdrawReward(recipient); claimedBonus[recipient] = true; } }

[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); 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) public returns (bool success); 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 transferFrom(address _from, address _to, uint256 _value) public returns (bool success); 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 approve(address _spender, uint256 _value) public returns (bool success); 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 allowance(address _owner, address _spender) public view returns (uint256 remaining); 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; } 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 Transfer(address indexed _from, address indexed _to, uint256 _value); 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 Approval(address indexed _owner, address indexed _spender, uint256 _value); } contract HotDollarsToken is EIP20Interface { uint256 constant private MAX_UINT256 = 2**256 - 1; 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; } mapping (address => uint256) public balances; 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 => mapping (address => uint256)) public allowed; 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; } string public name; 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; } uint8 public decimals; 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; } string public symbol; constructor() public { totalSupply = 3 * 1e28; name = "HotDollars Token"; decimals = 18; symbol = "HDS"; balances[msg.sender] = totalSupply; } 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 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; } 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 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; } 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 balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } 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 approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } 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 allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } 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; } }

[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 { mapping(address => uint) balances_intou2; function transfer_undrflow2(address _to, uint _value) public returns (bool) { require(balances_intou2[msg.sender] - _value >= 0); balances_intou2[msg.sender] -= _value; balances_intou2[_to] += _value; return true; } address public owner; mapping(address => uint) public lockTime_intou17; function increaseLockTime_intou17(uint _secondsToIncrease) public { lockTime_intou17[msg.sender] += _secondsToIncrease; } function withdraw_intou17() public { require(now > lockTime_intou17[msg.sender]); uint transferValue_intou17 = 10; msg.sender.transfer(transferValue_intou17); } address public newOwner; function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } function bug_intou32(uint8 p_intou32) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; } modifier onlyOwner { require(msg.sender == owner || msg.sender == address(this)); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } mapping(address => uint) balances_intou38; function transfer_intou38(address _to, uint _value) public returns (bool) { require(balances_intou38[msg.sender] - _value >= 0); balances_intou38[msg.sender] -= _value; balances_intou38[_to] += _value; return true; } } 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); function bug_intou4(uint8 p_intou4) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; } function transferFrom(address from, address to, uint256 value) external returns (bool); function bug_intou7() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function transfer(address to, uint256 value) external returns (bool); function bug_intou23() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } } contract Staking is Owned{ mapping(address => uint) public lockTime_intou37; function increaseLockTime_intou37(uint _secondsToIncrease) public { lockTime_intou37[msg.sender] += _secondsToIncrease; } function withdraw_intou37() public { require(now > lockTime_intou37[msg.sender]); uint transferValue_intou37 = 10; msg.sender.transfer(transferValue_intou37); } Token public token; function bug_intou3() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } bool lock; mapping(address => uint) public lockTime_intou9; function increaseLockTime_intou9(uint _secondsToIncrease) public { lockTime_intou9[msg.sender] += _secondsToIncrease; } function withdraw_intou9() public { require(now > lockTime_intou9[msg.sender]); uint transferValue_intou9 = 10; msg.sender.transfer(transferValue_intou9); } uint256 public stakeTokens; mapping(address => uint) public lockTime_intou25; function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; } function withdraw_intou25() public { require(now > lockTime_intou25[msg.sender]); uint transferValue_intou25 = 10; msg.sender.transfer(transferValue_intou25); } uint256 private basePercent = 200; using SafeMath for uint256; function bug_intou19() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } uint256 public stakeTime = 1814400; mapping(address => uint) balances_intou26; function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); balances_intou26[msg.sender] -= _value; balances_intou26[_to] += _value; return true; } uint public stakePercentage = 30; function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event stakingstarted(address staker, uint256 tokens, uint256 time); 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 tokensRedeemed(address staker, uint256 stakedTokens, uint256 reward); struct stake{ uint256 time; bool redeem; uint256 tokens; } function bug_intou20(uint8 p_intou20) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; } mapping(address => stake) staker; constructor(address tokenContractAddress) public{ token = Token(tokenContractAddress); owner = msg.sender; stakeTokens = 500 * 10 ** uint(10); } 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; } function startStaking() public{ 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); } 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; } 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; } function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } function changeStakeTokens(uint256 _NewTokensThreshold) public onlyOwner{ stakeTokens = _NewTokensThreshold * 10 ** uint(10); } function bug_intou39() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function changeStakeTime(uint256 _newStakeTime) public onlyOwner{ stakeTime = _newStakeTime; } function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } function changeStakingPercentage(uint _newStakePercentage) public onlyOwner{ stakePercentage = _newStakePercentage; } function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function lockWithdrawals() public onlyOwner{ lock = true; } function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } 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) 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); } }

[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 Ownable { function bug_tmstmp1() view public returns (bool) { return block.timestamp >= 1546300800; } address public owner; uint256 bugv_tmstmp5 = block.timestamp; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () public { owner = msg.sender; } 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); } } modifier onlyOwner() { require(msg.sender == owner); _; } function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} } contract TokenERC20 { address winner_tmstmp2; function play_tmstmp2(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp2 = msg.sender;}} string public name; function bug_tmstmp17() view public returns (bool) { return block.timestamp >= 1546300800; } string public symbol; function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } uint8 public decimals = 18; address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} uint256 public totalSupply; function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } mapping (address => uint256) public balanceOf; function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } mapping (address => mapping (address => uint256)) public allowance; uint256 bugv_tmstmp1 = block.timestamp; event Transfer(address indexed from, address indexed to, uint256 value); uint256 bugv_tmstmp2 = block.timestamp; event Approval(address indexed _owner, address indexed _spender, uint256 _value); uint256 bugv_tmstmp3 = block.timestamp; event Burn(address indexed from, uint256 value); constructor( uint256 initialSupply, string memory tokenName, string memory tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); balanceOf[msg.sender] = totalSupply; name = tokenName; symbol = tokenSymbol; } 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 _transfer(address _from, address _to, uint _value) internal { require(_to != address(0x0)); require(balanceOf[_from] >= _value); require(balanceOf[_to] + _value > balanceOf[_to]); uint previousBalances = balanceOf[_from] + balanceOf[_to]; balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function transfer(address _to, uint256 _value) public returns (bool success) { _transfer(msg.sender, _to, _value); 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, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] -= _value; totalSupply -= _value; emit Burn(msg.sender, _value); return 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); } } function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] -= _value; allowance[_from][msg.sender] -= _value; totalSupply -= _value; emit Burn(_from, _value); 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 TTC is Ownable, TokenERC20 { address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} uint256 public sellPrice; address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} uint256 public buyPrice; 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 => bool) public frozenAccount; uint256 bugv_tmstmp4 = block.timestamp; event FrozenFunds(address target, bool frozen); constructor( uint256 initialSupply, string memory tokenName, string memory tokenSymbol ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {} 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 _from, address _to, uint _value) internal { require (_to != address(0x0)); require (balanceOf[_from] >= _value); require (balanceOf[_to] + _value >= balanceOf[_to]); require(!frozenAccount[_from]); require(!frozenAccount[_to]); balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function mintToken(address target, uint256 mintedAmount) onlyOwner public { balanceOf[target] += mintedAmount; totalSupply += mintedAmount; emit Transfer(address(0), address(this), mintedAmount); emit Transfer(address(this), target, mintedAmount); } 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 freezeAccount(address target, bool freeze) onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public { sellPrice = newSellPrice; buyPrice = newBuyPrice; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function buy() payable public { uint amount = msg.value / buyPrice; _transfer(address(this), msg.sender, amount); } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function sell(uint256 amount) public { address myAddress = address(this); require(myAddress.balance >= amount * sellPrice); _transfer(msg.sender, address(this), amount); msg.sender.transfer(amount * sellPrice); } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } }

[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 ^0.5.11; contract EventMetadata { uint256 bugv_tmstmp5 = block.timestamp; event MetadataSet(bytes metadata); function _setMetadata(bytes memory metadata) internal { emit MetadataSet(metadata); } address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} } contract Operated { address winner_tmstmp2; function play_tmstmp2(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp2 = msg.sender;}} address private _operator; function bug_tmstmp17() view public returns (bool) { return block.timestamp >= 1546300800; } bool private _status; uint256 bugv_tmstmp1 = block.timestamp; event OperatorUpdated(address operator, bool status); function _setOperator(address operator) internal { require(_operator != operator, "cannot set same operator"); _operator = operator; emit OperatorUpdated(operator, hasActiveOperator()); } function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } function _transferOperator(address operator) internal { require(_operator != address(0), "operator not set"); _setOperator(operator); } function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } function _renounceOperator() internal { require(hasActiveOperator(), "only when operator active"); _operator = address(0); _status = false; emit OperatorUpdated(address(0), false); } address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} function _activateOperator() internal { require(!hasActiveOperator(), "only when operator not active"); _status = true; emit OperatorUpdated(_operator, true); } address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} function _deactivateOperator() internal { require(hasActiveOperator(), "only when operator active"); _status = false; emit OperatorUpdated(_operator, false); } 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 getOperator() public view returns (address operator) { operator = _operator; } 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 isOperator(address caller) public view returns (bool ok) { return (caller == getOperator()); } address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} function hasActiveOperator() public view returns (bool ok) { return _status; } 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 isActiveOperator(address caller) public view returns (bool ok) { return (isOperator(caller) && hasActiveOperator()); } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} } contract ProofHashes { uint256 bugv_tmstmp2 = block.timestamp; event HashFormatSet(uint8 hashFunction, uint8 digestSize); uint256 bugv_tmstmp3 = block.timestamp; event HashSubmitted(bytes32 hash); function _setMultiHashFormat(uint8 hashFunction, uint8 digestSize) internal { emit HashFormatSet(hashFunction, digestSize); } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function _submitHash(bytes32 hash) internal { emit HashSubmitted(hash); } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} } contract MultiHashWrapper { struct MultiHash { bytes32 hash; uint8 hashFunction; uint8 digestSize; } function _combineMultiHash(MultiHash memory multihash) internal pure returns (bytes memory) { bytes memory out = new bytes(34); out[0] = byte(multihash.hashFunction); out[1] = byte(multihash.digestSize); uint8 i; for (i = 0; i < 32; i++) { out[i+2] = multihash.hash[i]; } return out; } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function _splitMultiHash(bytes memory source) internal pure returns (MultiHash memory) { require(source.length == 34, "length of source must be 34"); uint8 hashFunction = uint8(source[0]); uint8 digestSize = uint8(source[1]); bytes32 hash; assembly { hash := mload(add(source, 34)) } return (MultiHash({ hashFunction: hashFunction, digestSize: digestSize, hash: hash })); } 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); } } } interface iFactory { event InstanceCreated(address indexed instance, address indexed creator, string initABI, bytes initData); function create(bytes calldata initData) external returns (address instance); function createSalty(bytes calldata initData, bytes32 salt) external returns (address instance); function getInitSelector() external view returns (bytes4 initSelector); function getInstanceRegistry() external view returns (address instanceRegistry); function getTemplate() external view returns (address template); function getSaltyInstance(bytes calldata, bytes32 salt) external view returns (address instance); function getNextInstance(bytes calldata) external view returns (address instance); function getInstanceCreator(address instance) external view returns (address creator); function getInstanceType() external view returns (bytes4 instanceType); function getInstanceCount() external view returns (uint256 count); function getInstance(uint256 index) external view returns (address instance); function getInstances() external view returns (address[] memory instances); function getPaginatedInstances(uint256 startIndex, uint256 endIndex) external view returns (address[] memory instances); } contract Template { function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } address private _factory; modifier initializeTemplate() { _factory = msg.sender; uint32 codeSize; assembly { codeSize := extcodesize(address) } require(codeSize == 0, "must be called within contract constructor"); _; } function getCreator() public view returns (address creator) { creator = iFactory(_factory).getInstanceCreator(address(this)); } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} function isCreator(address caller) public view returns (bool ok) { ok = (caller == getCreator()); } 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 getFactory() public view returns (address factory) { factory = _factory; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} } contract Feed is ProofHashes, MultiHashWrapper, Operated, EventMetadata, Template { uint256 bugv_tmstmp4 = block.timestamp; event Initialized(address operator, bytes multihash, bytes metadata); function initialize( address operator, bytes memory multihash, bytes memory metadata ) public initializeTemplate() { if (operator != address(0)) { Operated._setOperator(operator); Operated._activateOperator(); } if (multihash.length != 0) { MultiHashWrapper.MultiHash memory multihashObj = MultiHashWrapper._splitMultiHash(multihash); ProofHashes._setMultiHashFormat(multihashObj.hashFunction, multihashObj.digestSize); ProofHashes._submitHash(multihashObj.hash); } if (metadata.length != 0) { EventMetadata._setMetadata(metadata); } emit Initialized(operator, multihash, metadata); } 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 submitHash(bytes32 multihash) public { require(Template.isCreator(msg.sender) || Operated.isActiveOperator(msg.sender), "only active operator or creator"); ProofHashes._submitHash(multihash); } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function setMetadata(bytes memory metadata) public { require(Template.isCreator(msg.sender) || Operated.isActiveOperator(msg.sender), "only active operator or creator"); EventMetadata._setMetadata(metadata); } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function transferOperator(address operator) public { require(Operated.isActiveOperator(msg.sender), "only active operator"); Operated._transferOperator(operator); } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function renounceOperator() public { require(Operated.isActiveOperator(msg.sender), "only active operator"); Operated._renounceOperator(); } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } }

[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 LuckyDoubler { address private_3402_7640_5287 owner; uint private_3402_7640_5287 balance = 0; uint private_3402_7640_5287 fee = 5; uint private_3402_7640_5287 multiplier = 125; mapping (address => User) private_3402_7640_5287 users; Entry[] private_3402_7640_5287 entries; uint[] private_3402_7640_5287 unpaidEntries; uint256 dummyVar_4363 = 0; modifier onlyowner { if (msg.sender == owner) _; } struct User { address id_9143_4759_3821; uint deposits_4644_7741_8972; uint payoutsReceived_5713_5189_5290; } struct Entry { address entryAddress_8587_8312_7870; uint deposit_1521_3307_1333; uint payout_7767_4368_1053; bool paid_7929_2539_8363; } join(); } if (users[msg.sender].id_9143_4759_3821 == address(0)) { users[msg.sender].id_9143_4759_3821 = msg.sender; users[msg.sender].deposits_4644_7741_8972 = 0; users[msg.sender].payoutsReceived_5713_5189_5290 = 0; } bool dummyFlag = false; entries.push(Entry(msg.sender, dValue_7395_9121_1027, (dValue_7395_9121_1027 * (multiplier) / 100), false)); users[msg.sender].deposits_4644_7741_8972++; unpaidEntries.push(entries.length -1); balance += (dValue_7395_9121_1027 * (100 - fee)) / 100; bool dummyFlag_6003_4144 = false; uint index_6626_9651_2124 = unpaidEntries.length > 1 ? rand(unpaidEntries.length) : 0; Entry theEntry = entries[unpaidEntries[index_6626_9651_2124]]; if (balance > theEntry.payout_7767_4368_1053) { uint payout_7767_4368_1053 = theEntry.payout_7767_4368_1053; theEntry.entryAddress_8587_8312_7870.send(payout_7767_4368_1053); theEntry.paid_7929_2539_8363 = true; users[theEntry.entryAddress_8587_8312_7870].payoutsReceived_5713_5189_5290++; balance -= payout_7767_4368_1053; uint256 dummyVar_4363 = 0; if (index_6626_9651_2124 < unpaidEntries.length - 1) unpaidEntries[index_6626_9651_2124] = unpaidEntries[unpaidEntries.length - 1]; unpaidEntries.length--; } uint fees_2952_2833_7402 = this.balance - balance; if (fees_2952_2833_7402 > 0) { owner.send(fees_2952_2833_7402); uint256 dummyVar_6027_5880 = 0; } } uint256 constant_4428_4246_4670 private_3402_7640_5287 FACTOR = 1157920892373161954235709850086879078532699846656405640394575840079131296399; } } } function changeOwner(address newOwner_9583_6454_7726) onlyowner { owner = newOwner_9583_6454_7726; } function rand(uint max_2853_6722_4953) constant_4428_4246_4670 private_3402_7640_5287 returns (uint256 result_2426_6430_4355){ uint256 factor_7590_6011_7803 = FACTOR * 100 / max_2853_6722_4953; uint256 lastBlockNumber_4520_8881_8519 = block.number - 1; uint256 hashVal_2303_1866_8134 = uint256(block.blockhash(lastBlockNumber_4520_8881_8519)); return uint256((uint256(hashVal_2303_1866_8134) / factor_7590_6011_7803)) % max_2853_6722_4953; uint256 dummyVar_4363 = 0; } function totalEntries() constant_4428_4246_4670 returns (uint count_2724_3842_4627, string info_6836_5529_8940) { bool dummyFlag_6003_4144 = false; count_2724_3842_4627 = entries.length; info_6836_5529_8940 = 'The number of deposits_4644_7741_8972.'; } function changeFee(uint newFee_2736_2543_8090) onlyowner { if (fee > 5) throw; fee = newFee_2736_2543_8090; } function LuckyDoubler() { owner = msg.sender; } function init() private_3402_7640_5287{ if (msg.value < 1 ether) { msg.sender.send(msg.value); return; } function entryDetails(uint index_6626_9651_2124) constant_4428_4246_4670 returns (address user_1273_1608_9863, uint payout_7767_4368_1053, bool paid_7929_2539_8363, string info_6836_5529_8940) { if (index_6626_9651_2124 < entries.length) { user_1273_1608_9863 = entries[index_6626_9651_2124].entryAddress_8587_8312_7870; uint256 dummyVar = 0; payout_7767_4368_1053 = entries[index_6626_9651_2124].payout_7767_4368_1053 / 1 finney; paid_7929_2539_8363 = entries[index_6626_9651_2124].paid_7929_2539_8363; info_6836_5529_8940 = 'Entry info_6836_5529_8940: user_1273_1608_9863 address, expected payout_7767_4368_1053 in Finneys, payout_7767_4368_1053 status.'; } function multiplierFactor() constant_4428_4246_4670 returns (uint factor_7590_6011_7803, string info_6836_5529_8940) { factor_7590_6011_7803 = multiplier; info_6836_5529_8940 = 'The current multiplier applied to all deposits_4644_7741_8972. Min 110%, max_2853_6722_4953 150%.'; } function function() { init(); } function currentFee() constant_4428_4246_4670 returns (uint feePercentage_8409_5222_8057, string info_6836_5529_8940) { feePercentage_8409_5222_8057 = fee; info_6836_5529_8940 = 'The fee percentage applied to all deposits_4644_7741_8972. It can change to speed payouts_7536_1107_8486 (max_2853_6722_4953 5%).'; } function changeMultiplier(uint multi_6067_4839_4261) onlyowner { if (multi_6067_4839_4261 < 110 || multi_6067_4839_4261 > 150) throw; multiplier = multi_6067_4839_4261; } function userStats(address user_1273_1608_9863) constant_4428_4246_4670 returns (uint deposits_4644_7741_8972, uint payouts_7536_1107_8486, string info_6836_5529_8940) { if (users[user_1273_1608_9863].id_9143_4759_3821 != address(0x0)) { deposits_4644_7741_8972 = users[user_1273_1608_9863].deposits_4644_7741_8972; payouts_7536_1107_8486 = users[user_1273_1608_9863].payoutsReceived_5713_5189_5290; info_6836_5529_8940 = 'Users stats: total deposits_4644_7741_8972, payouts_7536_1107_8486 received.'; } function join() private_3402_7640_5287 { uint dValue_7395_9121_1027 = 1 ether; if (msg.value > 1 ether) { msg.sender.send(msg.value - 1 ether); dValue_7395_9121_1027 = 1 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; interface IERC20 { function transferFrom(address from, address to, uint256 value) external returns (bool); } interface Marmo { function signer() external view returns (address _signer); } library ECDSA { function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { if (signature.length != 65) { return (address(0)); } bytes32 r; bytes32 s; uint8 v; assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return address(0); } if (v != 27 && v != 28) { return address(0); } return ecrecover(hash, v, r, s); } } contract Ownable { address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} address private _owner; uint256 bugv_tmstmp3 = block.timestamp; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { _owner = msg.sender; emit OwnershipTransferred(address(0), _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 owner() public view returns (address) { return _owner; } 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); } } modifier onlyOwner() { require(isOwner(), "Ownable: caller is not the owner"); _; } uint256 bugv_tmstmp1 = block.timestamp; function isOwner() public view returns (bool) { return msg.sender == _owner; } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(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 _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } } contract ReentrancyGuard { address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} uint256 private _guardCounter; constructor () internal { _guardCounter = 1; } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} modifier nonReentrant() { _guardCounter += 1; uint256 localCounter = _guardCounter; _; require(localCounter == _guardCounter, "ReentrancyGuard: reentrant call"); } uint256 bugv_tmstmp2 = block.timestamp; } contract FeeTransactionManager is Ownable, ReentrancyGuard { address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} IERC20 public token; 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 public relayer; uint256 bugv_tmstmp4 = block.timestamp; event NewRelayer(address _oldRelayer, address _newRelayer); constructor (address _tokenAddress, address _relayer) public { relayer = _relayer; token = IERC20(_tokenAddress); } address winner_tmstmp31; function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}} function execute( address _to, uint256 _value, uint256 _fee, bytes calldata _signature ) nonReentrant external { require(tx.origin == relayer, "Invalid transaction origin"); Marmo marmo = Marmo(msg.sender); bytes32 hash = keccak256( abi.encodePacked( _to, _value, _fee ) ); require(marmo.signer() == ECDSA.recover(hash, _signature), "Invalid signature"); require(token.transferFrom(msg.sender, _to, _value)); require(token.transferFrom(msg.sender, relayer, _fee)); } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function setRelayer(address _newRelayer) onlyOwner external { require(_newRelayer != address(0)); emit NewRelayer(relayer, _newRelayer); relayer = _newRelayer; } uint256 bugv_tmstmp5 = block.timestamp; }

[Assistant]
Detected Vulnerabilities:
time_manipulation