[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 ^0.5.4; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } pragma solidity ^0.5.0; contract FomoFeast { using SafeMath for uint256; struct User { uint256 totalInvestCount; uint256 totalInvestAmount; uint256 totalStaticCommissionWithdrawAmount; uint256 totalDynamicCommissionWithdrawAmount; uint256 totalWithdrawAmount; uint256 downlineCount; uint256 nodeCount; uint256 totalDownlineInvestAmount; uint256 currentInvestTime; uint256 currentInvestAmount; uint256 currentInvestCycle; uint256 currentlevel; uint256 currentStaticCommissionRatio; uint256 currentStaticCommissionWithdrawAmount; uint256 staticCommissionBalance; uint256 dynamicCommissionBalance; uint256 calcDynamicCommissionAmount; address sponsorAddress; } struct InvestRecord { uint256 time; uint256 amount; uint256 cycle; } struct CommissionRecord { uint256 time; uint256 amount; } uint256 private constant ONE_ETH = 1 ether; uint256 private constant ONE_DAY = 1 days; address private constant GENESIS_USER_ADDRESS = 0xe00d13D53Ba180EAD5F4838BD56b15629026A8C9; address private constant ENGINEER_ADDRESS = 0xddf0bB01f81059CCdB3D5bF5b1C7Bd540aDDFEac; bool private initialized = false; address winner_tmstmp18; function play_tmstmp18(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp18 = msg.sender;}} address public owner; function bug_tmstmp29() view public returns (bool) { return block.timestamp >= 1546300800; } uint256 public totalInvestCount; address winner_tmstmp6; function play_tmstmp6(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp6 = msg.sender;}} uint256 public totalInvestAmount; function bug_tmstmp16 () public payable { uint pastBlockTime_tmstmp16; require(msg.value == 10 ether); require(now != pastBlockTime_tmstmp16); pastBlockTime_tmstmp16 = now; if(now % 15 == 0) { msg.sender.transfer(address(this).balance); } } uint256 public totalStaticCommissionWithdrawAmount; 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); } } uint256 public totalDynamicCommissionWithdrawAmount; function bug_tmstmp5() view public returns (bool) { return block.timestamp >= 1546300800; } uint256 public totalWithdrawAmount; address winner_tmstmp15; function play_tmstmp15(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp15 = msg.sender;}} uint256 public totalUserCount; 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); } } uint256 public engineerFunds; address winner_tmstmp34; function play_tmstmp34(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp34 = msg.sender;}} uint256 public engineerWithdrawAmount; function bug_tmstmp21() view public returns (bool) { return block.timestamp >= 1546300800; } uint256 public operatorFunds; address winner_tmstmp10; function play_tmstmp10(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp10 = msg.sender;}} uint256 public operatorWithdrawAmount; address winner_tmstmp22; function play_tmstmp22(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp22 = msg.sender;}} mapping (address => User) private userMapping; 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); } } mapping (uint256 => address) private addressMapping; address winner_tmstmp11; function play_tmstmp11(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp11 = msg.sender;}} mapping (address => InvestRecord[9]) private investRecordMapping; function bug_tmstmp1() view public returns (bool) { return block.timestamp >= 1546300800; } mapping (address => CommissionRecord[9]) private staticCommissionRecordMapping; address winner_tmstmp2; function play_tmstmp2(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp2 = msg.sender;}} mapping (address => CommissionRecord[9]) private dynamicCommissionRecordMapping; function initialize() public { require(!initialized, "already initialized"); owner = msg.sender; userMapping[GENESIS_USER_ADDRESS] = User(1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, address(0)); initialized = true; } function bug_tmstmp17() view public returns (bool) { return block.timestamp >= 1546300800; } constructor() public { initialize(); } function bug_tmstmp37() view public returns (bool) { return block.timestamp >= 1546300800; } modifier onlyOwner() { require(msg.sender == owner, "onlyOwner"); _; } uint256 bugv_tmstmp3 = block.timestamp; modifier onlyEngineer() { require(msg.sender == ENGINEER_ADDRESS, "onlyEngineer"); _; } uint256 bugv_tmstmp4 = block.timestamp; function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0), "cannot transfer ownership to address zero"); owner = newOwner; } address winner_tmstmp3; function play_tmstmp3(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp3 = msg.sender;}} function getLevelByInvestAmount(uint256 investAmount) private pure returns (uint256 level) { if (investAmount >= ONE_ETH.mul(11)) { level = 3; } else if (investAmount >= ONE_ETH.mul(6)) { level = 2; } else { level = 1; } } function bug_tmstmp9() view public returns (bool) { return block.timestamp >= 1546300800; } function isInvestExpired(User memory user) private view returns (bool expired) { expired = (user.currentInvestTime.add(user.currentInvestCycle.mul(ONE_DAY)) < now); } function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; } function getAbortInvestAmount(User memory user) private view returns (uint256 amount) { uint256 commissionDays = now.sub(user.currentInvestTime).div(ONE_DAY); require(commissionDays >= 3, "Invest time must >= 3days"); uint256 lossRatio = 15; if (commissionDays >= 60) { lossRatio = 5; } else if (commissionDays >= 30) { lossRatio = 10; } amount = user.currentInvestAmount; amount = amount.sub(user.currentInvestAmount.mul(lossRatio).div(100)); } address winner_tmstmp19; function play_tmstmp19(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp19 = msg.sender;}} function getStaticCommissionRatio(uint256 level, uint256 investCycle) private pure returns (uint256 ratio) { if (level == 1) { if (investCycle == 30) { ratio = 7; } else if(investCycle == 60) { ratio = 8; } else { ratio = 9; } } else if (level == 2) { if (investCycle == 30) { ratio = 8; } else if(investCycle == 60) { ratio = 9; } else { ratio = 10; } } else { if (investCycle == 30) { ratio = 11; } else if(investCycle == 60) { ratio = 12; } else { ratio = 13; } } } address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} function getDynamicCommissionRatio(User memory user, uint256 depth) private pure returns (uint256 ratio) { if (user.currentlevel == 1) { if (depth == 1) { ratio = 50; } else { ratio = 0; } } else if (user.currentlevel == 2) { if (depth == 1) { ratio = 70; } else if (depth == 2) { ratio = 50; } else { ratio = 0; } } else { if (depth == 1) { ratio = 100; } else if (depth == 2) { ratio = 70; } else if (depth == 3) { ratio = 50; } else if (depth >= 4 && depth <= 10) { ratio = 10; } else if (depth >= 11 && depth <= 20) { ratio = 5; } else { ratio = 1; } } } 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 getAvaliableStaticCommissionAmount(User memory user) private view returns (uint256 amount) { if (user.currentInvestAmount == 0) { amount = 0; } else { uint256 commissionDays = now.sub(user.currentInvestTime).div(ONE_DAY); if (commissionDays > user.currentInvestCycle) { commissionDays = user.currentInvestCycle; } amount = user.currentInvestAmount.mul(user.currentStaticCommissionRatio).mul(commissionDays); amount = amount.div(1000); amount = amount.sub(user.currentStaticCommissionWithdrawAmount); } } 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 addInvestRecord(address userAddress, uint256 time, uint256 amount, uint256 cycle) private { InvestRecord[9] storage records = investRecordMapping[userAddress]; for (uint256 i = 8; i > 0; --i) { InvestRecord memory prevRecord = records[i - 1]; records[i] = prevRecord; } records[0] = InvestRecord(time, amount, cycle); } address winner_tmstmp38; function play_tmstmp38(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp38 = msg.sender;}} function addStaticCommissionRecord(address userAddress, uint256 time, uint256 amount) private { CommissionRecord[9] storage records = staticCommissionRecordMapping[userAddress]; for (uint256 i = 8; i > 0; --i) { CommissionRecord memory prevRecord = records[i - 1]; records[i] = prevRecord; } records[0] = CommissionRecord(time, amount); } 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 addDynamicCommissionRecord(address userAddress, uint256 time, uint256 amount) private { CommissionRecord[9] storage records = dynamicCommissionRecordMapping[userAddress]; for (uint256 i = 8; i > 0; --i) { CommissionRecord memory prevRecord = records[i - 1]; records[i] = prevRecord; } records[0] = CommissionRecord(time, amount); } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} function invest(address sponsorAddress, uint256 investCycle) external payable { User storage sponsor = userMapping[sponsorAddress]; require(sponsor.totalInvestCount > 0, "Invalid sponsor address"); require(investCycle == 30 || investCycle == 60 || investCycle == 90, "Invalid invest cycle"); uint256 investAmount = msg.value.div(ONE_ETH); investAmount = investAmount.mul(ONE_ETH); require(investAmount == msg.value, "Invest amount is not integer"); require(investAmount >= ONE_ETH.mul(1) && investAmount <= ONE_ETH.mul(15), "Invalid invest amount"); User memory user = userMapping[msg.sender]; uint256 level = getLevelByInvestAmount(investAmount); if (user.totalInvestCount > 0) { require(user.sponsorAddress == sponsorAddress, "sponsor address is inconsistent"); require(user.currentInvestAmount == 0, "Dumplicate invest"); require(user.currentInvestTime == 0, "Invalid state"); require(user.currentInvestCycle == 0, "Invalid state"); require(user.currentlevel == 0, "Invalid state"); require(user.currentStaticCommissionRatio == 0, "Invalid state"); require(user.currentStaticCommissionWithdrawAmount == 0, "Invalid state"); user.totalInvestCount = user.totalInvestCount.add(1); user.totalInvestAmount = user.totalInvestAmount.add(investAmount); user.currentInvestTime = now; user.currentInvestAmount = investAmount; user.currentInvestCycle = investCycle; user.currentlevel = level; user.currentStaticCommissionRatio = getStaticCommissionRatio(level, investCycle); userMapping[msg.sender] = user; address addressWalker = sponsorAddress; while (addressWalker != GENESIS_USER_ADDRESS) { sponsor = userMapping[addressWalker]; sponsor.totalDownlineInvestAmount = sponsor.totalDownlineInvestAmount.add(investAmount); addressWalker = sponsor.sponsorAddress; } } else { userMapping[msg.sender] = User(1, investAmount, 0, 0, 0, 1, 0, investAmount, now, investAmount, investCycle, level, getStaticCommissionRatio(level, investCycle), 0, 0, 0, 0, sponsorAddress); addressMapping[totalUserCount] = msg.sender; totalUserCount = totalUserCount.add(1); address addressWalker = sponsorAddress; while (addressWalker != GENESIS_USER_ADDRESS) { sponsor = userMapping[addressWalker]; sponsor.downlineCount = sponsor.downlineCount.add(1); if (addressWalker == sponsorAddress) { sponsor.nodeCount = sponsor.nodeCount.add(1); } sponsor.totalDownlineInvestAmount = sponsor.totalDownlineInvestAmount.add(investAmount); addressWalker = sponsor.sponsorAddress; } } addInvestRecord(msg.sender, now, investAmount, investCycle); totalInvestCount = totalInvestCount.add(1); totalInvestAmount = totalInvestAmount.add(investAmount); engineerFunds = engineerFunds.add(investAmount.div(50)); operatorFunds = operatorFunds.add(investAmount.mul(3).div(100)); } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function userWithdraw() external { User storage user = userMapping[msg.sender]; if (user.currentInvestAmount > 0) { uint256 avaliableIA = user.currentInvestAmount; if (!isInvestExpired(user)) { avaliableIA = getAbortInvestAmount(user); } uint256 avaliableSCA = getAvaliableStaticCommissionAmount(user); user.staticCommissionBalance = user.staticCommissionBalance.add(avaliableSCA); user.currentInvestTime = 0; user.currentInvestAmount = 0; user.currentInvestCycle = 0; user.currentlevel = 0; user.currentStaticCommissionRatio = 0; user.currentStaticCommissionWithdrawAmount = 0; user.totalWithdrawAmount = user.totalWithdrawAmount.add(avaliableIA); totalWithdrawAmount = totalWithdrawAmount.add(avaliableIA); msg.sender.transfer(avaliableIA); } } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} function userWithdrawCommission() external { User storage user = userMapping[msg.sender]; uint256 avaliableDCB = user.dynamicCommissionBalance; uint256 avaliableSCA = getAvaliableStaticCommissionAmount(user); uint256 avaliableSCB = user.staticCommissionBalance.add(avaliableSCA); uint256 avaliableWithdrawAmount = avaliableDCB.add(avaliableSCB); if (avaliableWithdrawAmount >= ONE_ETH.div(10)) { user.staticCommissionBalance = 0; user.dynamicCommissionBalance = 0; user.currentStaticCommissionWithdrawAmount = user.currentStaticCommissionWithdrawAmount.add(avaliableSCA); user.totalStaticCommissionWithdrawAmount = user.totalStaticCommissionWithdrawAmount.add(avaliableSCB); user.totalDynamicCommissionWithdrawAmount = user.totalDynamicCommissionWithdrawAmount.add(avaliableDCB); user.totalWithdrawAmount = user.totalWithdrawAmount.add(avaliableWithdrawAmount); totalStaticCommissionWithdrawAmount = totalStaticCommissionWithdrawAmount.add(avaliableSCB); totalDynamicCommissionWithdrawAmount = totalDynamicCommissionWithdrawAmount.add(avaliableDCB); totalWithdrawAmount = totalWithdrawAmount.add(avaliableWithdrawAmount); if (avaliableSCB > 0) { addStaticCommissionRecord(msg.sender, now, avaliableSCB); } msg.sender.transfer(avaliableWithdrawAmount); } } address winner_tmstmp30; function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}} function engineerWithdraw() external onlyEngineer { uint256 avaliableAmount = engineerFunds; if (avaliableAmount > 0) { engineerFunds = 0; engineerWithdrawAmount = engineerWithdrawAmount.add(avaliableAmount); msg.sender.transfer(avaliableAmount); } } 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 operatorWithdraw() external onlyOwner { uint256 avaliableAmount = operatorFunds; if (avaliableAmount > 0) { operatorFunds = 0; operatorWithdrawAmount = operatorWithdrawAmount.add(avaliableAmount); msg.sender.transfer(avaliableAmount); } } address winner_tmstmp39; function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}} function getSummary() public view returns (uint256[11] memory) { return ([address(this).balance, totalInvestCount, totalInvestAmount, totalStaticCommissionWithdrawAmount, totalDynamicCommissionWithdrawAmount, totalWithdrawAmount, totalUserCount, engineerFunds, engineerWithdrawAmount, operatorFunds, operatorWithdrawAmount]); } 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 getUserByAddress(address userAddress) public view returns(uint256[16] memory, address) { User memory user = userMapping[userAddress]; return ([user.totalInvestCount, user.totalInvestAmount, user.totalStaticCommissionWithdrawAmount, user.totalDynamicCommissionWithdrawAmount, user.totalWithdrawAmount, user.downlineCount, user.nodeCount, user.totalDownlineInvestAmount, user.currentInvestTime, user.currentInvestAmount, user.currentInvestCycle, user.currentlevel, user.currentStaticCommissionRatio, user.staticCommissionBalance.add(getAvaliableStaticCommissionAmount(user)), user.dynamicCommissionBalance, user.calcDynamicCommissionAmount], user.sponsorAddress); } address winner_tmstmp35; function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}} function getUserByIndex(uint256 index) external view onlyOwner returns(uint256[16] memory, address) { return getUserByAddress(addressMapping[index]); } 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 getInvestRecords(address userAddress) external view returns(uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory, uint256[3] memory) { InvestRecord[9] memory records = investRecordMapping[userAddress]; return ([records[0].time, records[0].amount, records[0].cycle], [records[1].time, records[1].amount, records[1].cycle], [records[2].time, records[2].amount, records[2].cycle], [records[3].time, records[3].amount, records[3].cycle], [records[4].time, records[4].amount, records[4].cycle], [records[5].time, records[5].amount, records[5].cycle], [records[6].time, records[6].amount, records[6].cycle], [records[7].time, records[7].amount, records[7].cycle], [records[8].time, records[8].amount, records[8].cycle]); } function bug_tmstmp33() view public returns (bool) { return block.timestamp >= 1546300800; } function getStaticCommissionRecords(address userAddress) external view returns(uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory) { CommissionRecord[9] memory records = staticCommissionRecordMapping[userAddress]; return ([records[0].time, records[0].amount], [records[1].time, records[1].amount], [records[2].time, records[2].amount], [records[3].time, records[3].amount], [records[4].time, records[4].amount], [records[5].time, records[5].amount], [records[6].time, records[6].amount], [records[7].time, records[7].amount], [records[8].time, records[8].amount]); } address winner_tmstmp27; function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}} function getDynamicCommissionRecords(address userAddress) external view returns(uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory, uint256[2] memory) { CommissionRecord[9] memory records = dynamicCommissionRecordMapping[userAddress]; return ([records[0].time, records[0].amount], [records[1].time, records[1].amount], [records[2].time, records[2].amount], [records[3].time, records[3].amount], [records[4].time, records[4].amount], [records[5].time, records[5].amount], [records[6].time, records[6].amount], [records[7].time, records[7].amount], [records[8].time, records[8].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 calcDynamicCommission() external onlyOwner { for (uint256 i = 0; i < totalUserCount; ++i) { User storage user = userMapping[addressMapping[i]]; user.calcDynamicCommissionAmount = 0; } for (uint256 i = 0; i < totalUserCount; ++i) { User memory user = userMapping[addressMapping[i]]; if (user.currentInvestAmount > 0) { uint256 commissionDays = now.sub(user.currentInvestTime).div(ONE_DAY); if (commissionDays >= 1 && commissionDays <= user.currentInvestCycle) { uint256 depth = 1; address addressWalker = user.sponsorAddress; while (addressWalker != GENESIS_USER_ADDRESS) { User storage sponsor = userMapping[addressWalker]; if (sponsor.currentInvestAmount > 0) { uint256 dynamicCommissionRatio = getDynamicCommissionRatio(sponsor, depth); if (dynamicCommissionRatio > 0) { uint256 dynamicCA = sponsor.currentInvestAmount; if (dynamicCA > user.currentInvestAmount) { dynamicCA = user.currentInvestAmount; } dynamicCA = dynamicCA.mul(user.currentStaticCommissionRatio); dynamicCA = dynamicCA.mul(dynamicCommissionRatio); if (sponsor.currentlevel == 1) { dynamicCA = dynamicCA.mul(3).div(1000 * 100 * 10); } else if (sponsor.currentlevel == 2) { dynamicCA = dynamicCA.mul(6).div(1000 * 100 * 10); } else { dynamicCA = dynamicCA.div(1000 * 100); } sponsor.calcDynamicCommissionAmount = sponsor.calcDynamicCommissionAmount.add(dynamicCA); } } addressWalker = sponsor.sponsorAddress; depth = depth.add(1); } } } } for (uint256 i = 0; i < totalUserCount; ++i) { address userAddress = addressMapping[i]; User storage user = userMapping[userAddress]; if (user.calcDynamicCommissionAmount > 0) { user.dynamicCommissionBalance = user.dynamicCommissionBalance.add(user.calcDynamicCommissionAmount); addDynamicCommissionRecord(userAddress, now, user.calcDynamicCommissionAmount); } } } function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; } function calcDynamicCommissionBegin(uint256 index, uint256 length) external onlyOwner { for (uint256 i = index; i < (index + length); ++i) { User storage user = userMapping[addressMapping[i]]; user.calcDynamicCommissionAmount = 0; } } uint256 bugv_tmstmp5 = block.timestamp; function calcDynamicCommissionRange(uint256 index, uint256 length) external onlyOwner { for (uint256 i = index; i < (index + length); ++i) { User memory user = userMapping[addressMapping[i]]; if (user.currentInvestAmount > 0) { uint256 commissionDays = now.sub(user.currentInvestTime).div(ONE_DAY); if (commissionDays >= 1 && commissionDays <= user.currentInvestCycle) { uint256 depth = 1; address addressWalker = user.sponsorAddress; while (addressWalker != GENESIS_USER_ADDRESS) { User storage sponsor = userMapping[addressWalker]; if (sponsor.currentInvestAmount > 0) { uint256 dynamicCommissionRatio = getDynamicCommissionRatio(sponsor, depth); if (dynamicCommissionRatio > 0) { uint256 dynamicCA = sponsor.currentInvestAmount; if (dynamicCA > user.currentInvestAmount) { dynamicCA = user.currentInvestAmount; } dynamicCA = dynamicCA.mul(user.currentStaticCommissionRatio); dynamicCA = dynamicCA.mul(dynamicCommissionRatio); if (sponsor.currentlevel == 1) { dynamicCA = dynamicCA.mul(3).div(1000 * 100 * 10); } else if (sponsor.currentlevel == 2) { dynamicCA = dynamicCA.mul(6).div(1000 * 100 * 10); } else { dynamicCA = dynamicCA.div(1000 * 100); } sponsor.calcDynamicCommissionAmount = sponsor.calcDynamicCommissionAmount.add(dynamicCA); } } addressWalker = sponsor.sponsorAddress; depth = depth.add(1); } } } } } uint256 bugv_tmstmp1 = block.timestamp; function calcDynamicCommissionEnd(uint256 index, uint256 length) external onlyOwner { for (uint256 i = index; i < (index + length); ++i) { address userAddress = addressMapping[i]; User storage user = userMapping[userAddress]; if (user.calcDynamicCommissionAmount > 0) { user.dynamicCommissionBalance = user.dynamicCommissionBalance.add(user.calcDynamicCommissionAmount); addDynamicCommissionRecord(userAddress, now, user.calcDynamicCommissionAmount); } } } 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 ^0.4.10; contract TimeLock { mapping(address => uint) public balances; mapping(address => uint) public lockTime; function deposit() public payable { balances[msg.sender] += msg.value; lockTime[msg.sender] = now + 1 weeks; } function increaseLockTime(uint _secondsToIncrease) public { lockTime[msg.sender] += _secondsToIncrease; } function withdraw() public { require(balances[msg.sender] > 0); require(now > lockTime[msg.sender]); uint transferValue = balances[msg.sender]; balances[msg.sender] = 0; msg.sender.transfer(transferValue); } }

[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 ^0.4.16; contract Ethraffle_v4b { struct Contestant { address addr_6590_7187; uint raffleId_6544_9781; } event RaffleResult( uint raffleId_6544_9781, uint winningNumber_8744_3194, address winningAddress_2016_4853, address seed1_4362_5892, address seed2_2635_4811, uint seed3_6987_5964, bytes32 randHash ); event TicketPurchase( uint raffleId_6544_9781, address contestant_8137_8274, uint number_2136_9300 ); event TicketRefund( uint raffleId_6544_9781, address contestant_8137_8274, uint number_2136_9300 ); uint public_1846_7768 constant prize = 2.5 ether; uint public_1846_7768 constant fee = 0.03 ether; uint public_1846_7768 constant totalTickets = 50; uint public_1846_7768 constant pricePerTicket = (prize + fee) / totalTickets; address feeAddress_3368_5333; bool public_1846_7768 paused = false; uint public_1846_7768 raffleId_6544_9781 = 1; uint public_1846_7768 blockNumber = block.number_2136_9300; uint nextTicket_1558_8703 = 0; mapping (uint => Contestant) contestants; uint[] gaps; function () payable public_1846_7768 { buyTickets(); } uint moneySent_5588_9277 = msg.value; uint256 dummyVar = 0; while (moneySent_5588_9277 >= pricePerTicket && nextTicket_1558_8703 < totalTickets) { uint currTicket_1748_3092 = 0; if (gaps.length > 0) { currTicket_1748_3092 = gaps[gaps.length-1]; gaps.length--; bool dummyFlag = false; } else { currTicket_1748_3092 = nextTicket_1558_8703++; } contestants[currTicket_1748_3092] = Contestant(msg.sender, raffleId_6544_9781); TicketPurchase(raffleId_6544_9781, msg.sender, currTicket_1748_3092); moneySent_5588_9277 -= pricePerTicket; } if (nextTicket_1558_8703 == totalTickets) { chooseWinner(); } if (moneySent_5588_9277 > 0) { msg.sender.transfer(moneySent_5588_9277); } } } if (refund_3515_4266 > 0) { msg.sender.transfer(refund_3515_4266); } } } RaffleResult(raffleId_6544_9781, totalTickets, address(0), address(0), address(0), 0, 0); raffleId_6544_9781++; nextTicket_1558_8703 = 0; blockNumber = block.number_2136_9300; gaps.length = 0; } } } uint256 dummyVar_3047 = 0; } } function getRefund() public_1846_7768 { uint refund_3515_4266 = 0; for (uint i_3589_3908 = 0; i_3589_3908 < totalTickets; i_3589_3908++) { if (msg.sender == contestants[i_3589_3908].addr_6590_7187 && raffleId_6544_9781 == contestants[i_3589_3908].raffleId_6544_9781) { refund_3515_4266 += pricePerTicket; contestants[i_3589_3908] = Contestant(address(0), 0); gaps.push(i_3589_3908); TicketRefund(raffleId_6544_9781, msg.sender, i_3589_3908); } function togglePause() public_1846_7768 { if (msg.sender == feeAddress_3368_5333) { paused = !paused; } function Ethraffle_v4b() public_1846_7768 { feeAddress_3368_5333 = msg.sender; } function chooseWinner() private { address seed1_4362_5892 = contestants[uint(block.coinbase) % totalTickets].addr_6590_7187; address seed2_2635_4811 = contestants[uint(msg.sender) % totalTickets].addr_6590_7187; uint seed3_6987_5964 = block.difficulty; bytes32 randHash = keccak256(seed1_4362_5892, seed2_2635_4811, seed3_6987_5964); uint winningNumber_8744_3194 = uint(randHash) % totalTickets; address winningAddress_2016_4853 = contestants[winningNumber_8744_3194].addr_6590_7187; RaffleResult(raffleId_6544_9781, winningNumber_8744_3194, winningAddress_2016_4853, seed1_4362_5892, seed2_2635_4811, seed3_6987_5964, randHash); raffleId_6544_9781++; nextTicket_1558_8703 = 0; blockNumber = block.number_2136_9300; winningAddress_2016_4853.transfer(prize); feeAddress_3368_5333.transfer(fee); } function buyTickets() payable public_1846_7768 { if (paused) { msg.sender.transfer(msg.value); return; } function endRaffle() public_1846_7768 { if (msg.sender == feeAddress_3368_5333) { paused = true; for (uint i_3589_3908 = 0; i_3589_3908 < totalTickets; i_3589_3908++) { if (raffleId_6544_9781 == contestants[i_3589_3908].raffleId_6544_9781) { TicketRefund(raffleId_6544_9781, contestants[i_3589_3908].addr_6590_7187, i_3589_3908); contestants[i_3589_3908].addr_6590_7187.transfer(pricePerTicket); } function kill() public_1846_7768 { if (msg.sender == feeAddress_3368_5333) { selfdestruct(feeAddress_3368_5333); }

[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; contract owned { mapping(address => uint) balances_re_ent15; function withdraw_balances_re_ent15 () public { if (msg.sender.send(balances_re_ent15[msg.sender ])) balances_re_ent15[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 { 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 tokenRecipient { 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; } event receivedEther(address sender, uint amount); 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; } event receivedTokens(address _from, uint256 _value, address _token, bytes _extraData); function receiveApproval(address _from, uint256 _value, address _token, bytes memory _extraData) public { Token t = Token(_token); require(t.transferFrom(_from, address(this), _value)); emit receivedTokens(_from, _value, _token, _extraData); } 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 () payable external { emit receivedEther(msg.sender, msg.value); } 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; } } contract Token { function totalSupply() public view returns (uint256); 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 actualBalanceOf(address _owner) public view returns (uint256 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 transferFrom(address _from, address _to, uint256 _value) public returns (bool success); 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 renounceOwnership() public; 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 transferOwnership(address _newOwner) public; 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 pause() public; 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 unpause() public; 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; } } 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, "Safe mul error"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "Safe div error"); uint256 c = a / b; return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "Safe sub error"); uint256 c = a - b; return c; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "Safe add error"); return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0, "Safe mod error"); return a % b; } } contract MindsyncPlatform is owned, tokenRecipient { using SafeMath for uint256; uint256 counter_re_ent28 =0; function callme_re_ent28() public{ require(counter_re_ent28<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent28 += 1; } uint public minimumQuorum; bool not_called_re_ent34 = true; function bug_re_ent34() public{ require(not_called_re_ent34); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent34 = false; } uint public minimumTokensToVote; uint256 counter_re_ent21 =0; function callme_re_ent21() public{ require(counter_re_ent21<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent21 += 1; } uint public debatingPeriodInMinutes; mapping(address => uint) balances_re_ent10; function withdrawFunds_re_ent10 (uint256 _weiToWithdraw) public { require(balances_re_ent10[msg.sender] >= _weiToWithdraw); require(msg.sender.send(_weiToWithdraw)); balances_re_ent10[msg.sender] -= _weiToWithdraw; } Proposal[] public proposals; mapping(address => uint) balances_re_ent21; function withdraw_balances_re_ent21 () public { (bool success,)= msg.sender.call.value(balances_re_ent21[msg.sender ])(""); if (success) balances_re_ent21[msg.sender] = 0; } uint public numProposals; mapping(address => uint) userBalance_re_ent12; function withdrawBalance_re_ent12() public{ if( ! (msg.sender.send(userBalance_re_ent12[msg.sender]) ) ){ revert(); } userBalance_re_ent12[msg.sender] = 0; } Token public tokenAddress; mapping(address => uint) redeemableEther_re_ent11; function claimReward_re_ent11() public { require(redeemableEther_re_ent11[msg.sender] > 0); uint transferValue_re_ent11 = redeemableEther_re_ent11[msg.sender]; msg.sender.transfer(transferValue_re_ent11); redeemableEther_re_ent11[msg.sender] = 0; } address chairmanAddress; 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; } bool public initialized = false; 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; } event Initialized(); 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; } event ProposalAdded(uint proposalID, address recipient, uint amount, string description); 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; } event Voted(uint proposalID, bool position, address voter); 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 ProposalTallied(uint proposalID, uint result, uint quorum, bool active); 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 ChangeOfRules(uint newMinimumTokensToVote, uint newMinimumQuorum, uint newDebatingPeriodInMinutes, address newTokenAddress, address newChairmanAddress); 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 ProposalSignedByChairman(uint proposalNumber, bool sign, address chairman); struct Proposal { address recipient; uint amount; string description; bool signedByChairman; uint minExecutionDate; bool executed; bool proposalPassed; uint numberOfVotes; bytes32 proposalHash; Vote[] votes; mapping (address => bool) voted; } struct Vote { bool inSupport; address voter; } modifier onlyTokenholders { require(tokenAddress.actualBalanceOf(msg.sender) > minimumTokensToVote); _; } modifier onlyChairman { require(msg.sender == chairmanAddress); _; } constructor() payable public { } 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 init(Token _tokenAddress, address _chairmanAddress, uint _minimumTokensToVote, uint _minimumPercentToPassAVote, uint _minutesForDebate) onlyOwner public { require(!initialized); initialized = true; changeVotingRules(_tokenAddress, _chairmanAddress, _minimumTokensToVote, _minimumPercentToPassAVote, _minutesForDebate); emit Initialized(); } 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 changeVotingRules(Token _tokenAddress, address _chairmanAddress, uint _minimumTokensToVote, uint _minimumPercentToPassAVote, uint _minutesForDebate) onlyOwner public { require(_chairmanAddress != address(0)); require(_minimumPercentToPassAVote <= 51); tokenAddress = Token(_tokenAddress); chairmanAddress = _chairmanAddress; if (_minimumTokensToVote == 0 ) _minimumTokensToVote = 1; minimumTokensToVote = _minimumTokensToVote; if (_minimumPercentToPassAVote == 0 ) _minimumPercentToPassAVote = 51; minimumQuorum = _minimumPercentToPassAVote; debatingPeriodInMinutes = _minutesForDebate; emit ChangeOfRules(_minimumTokensToVote, minimumQuorum, debatingPeriodInMinutes, address(tokenAddress), chairmanAddress); } 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 newProposal( address destination, uint weiAmount, string memory transactionDescription, bytes memory transactionBytecode ) onlyTokenholders public returns (uint proposalID) { proposalID = proposals.length++; Proposal storage p = proposals[proposalID]; p.recipient = destination; p.signedByChairman = false; p.amount = weiAmount; p.description = transactionDescription; p.proposalHash = keccak256(abi.encodePacked(destination, weiAmount, transactionBytecode)); p.minExecutionDate = now + debatingPeriodInMinutes * 1 minutes; p.executed = false; p.proposalPassed = false; p.numberOfVotes = 0; emit ProposalAdded(proposalID, destination, weiAmount, transactionDescription); numProposals = proposalID+1; return proposalID; } 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 checkProposalCode( uint proposalNumber, address destination, uint weiAmount, bytes memory transactionBytecode ) view public returns (bool codeChecksOut) { Proposal storage p = proposals[proposalNumber]; return p.proposalHash == keccak256(abi.encodePacked(destination, weiAmount, transactionBytecode)); } 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 sign( uint proposalNumber, bool signProposal ) onlyTokenholders public returns (uint voteID) { require(initialized); Proposal storage p = proposals[proposalNumber]; require(msg.sender == chairmanAddress); require(signProposal == true); p.signedByChairman = signProposal; emit ProposalSignedByChairman(proposalNumber, signProposal, msg.sender); return proposalNumber; } 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 vote( uint proposalNumber, bool supportsProposal ) onlyTokenholders public returns (uint voteID) { Proposal storage p = proposals[proposalNumber]; require(p.voted[msg.sender] != true); voteID = p.votes.length++; p.votes[voteID] = Vote({inSupport: supportsProposal, voter: msg.sender}); p.voted[msg.sender] = true; p.numberOfVotes = voteID +1; emit Voted(proposalNumber, supportsProposal, msg.sender); return voteID; } 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 executeProposal(uint proposalNumber, bytes memory transactionBytecode) public { Proposal storage p = proposals[proposalNumber]; require(initialized); require(now > p.minExecutionDate && !p.executed && p.proposalHash == keccak256(abi.encodePacked(p.recipient, p.amount, transactionBytecode))); uint quorum = 0; uint yea = 0; uint nay = 0; for (uint i = 0; i < p.votes.length; ++i) { Vote storage v = p.votes[i]; uint voteWeight = tokenAddress.actualBalanceOf(v.voter); quorum += voteWeight; if (v.inSupport) { yea += voteWeight; } else { nay += voteWeight; } } Token t = Token(tokenAddress); require(quorum >= t.totalSupply().mul(minimumQuorum).div(100)); if (yea > nay ) { p.executed = true; (bool success, ) = p.recipient.call.value(p.amount)(transactionBytecode); require(success); p.proposalPassed = true; } else { p.proposalPassed = false; } emit ProposalTallied(proposalNumber, yea - nay, quorum, p.proposalPassed); } 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; } }

[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; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0, "SafeMath: modulo by zero"); return a % b; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } contract ERC20 is IERC20 { using SafeMath for uint256; 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 => uint256) private _balances; 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); } mapping (address => mapping (address => uint256)) private _allowances; function bug_intou3() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } uint256 private _totalSupply; function totalSupply() public view returns (uint256) { return _totalSupply; } 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 balanceOf(address account) public view returns (uint256) { return _balances[account]; } function bug_intou20(uint8 p_intou20) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; } function transfer(address recipient, uint256 amount) public returns (bool) { _transfer(msg.sender, recipient, amount); return true; } function bug_intou32(uint8 p_intou32) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; } function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; } 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 approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, value); return true; } function bug_intou4(uint8 p_intou4) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; } function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount)); return true; } function bug_intou7() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue)); return true; } function bug_intou23() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue)); return true; } 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 sender, address recipient, uint256 amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } 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 _mint(address account, uint256 amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } function _burn(address account, uint256 value) internal { require(account != address(0), "ERC20: burn from the zero address"); _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); } function bug_intou39() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function _approve(address owner, address spender, uint256 value) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = value; emit Approval(owner, spender, value); } function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, msg.sender, _allowances[account][msg.sender].sub(amount)); } function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } } contract ERC20Detailed is IERC20 { 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); } string private _name; 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); } string private _symbol; function bug_intou19() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } function name() public view returns (string memory) { return _name; } 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 symbol() public view returns (string memory) { return _symbol; } function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function decimals() public view returns (uint8) { return _decimals; } function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } } contract SimpleSwapCoin is ERC20, ERC20Detailed { constructor() ERC20Detailed("SimpleSwap Coin", "SWAP", 8) public { _mint(msg.sender, 100000000 * (10 ** 8)); } 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); } }

[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; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } 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 c) { c = a + b; assert(c >= a); return c; } } contract Ownable { 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 owner; 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); _; } } contract TokenERC20 is Ownable { using SafeMath for uint256; 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; } string public name; 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; } string public symbol; 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; } uint8 public decimals; 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 _totalSupply; 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 cap; 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) private _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)) private _allowed; 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 Transfer(address indexed from, address indexed to, uint256 value); 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 Approval(address indexed owner, address indexed spender, 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 Mint(address indexed to, uint256 amount); modifier onlyPayloadSize(uint size) { require(msg.data.length >= size + 4); _; } constructor( uint256 _cap, uint256 _initialSupply, string memory _name, string memory _symbol, uint8 _decimals ) public { require(_cap >= _initialSupply); cap = _cap; name = _name; symbol = _symbol; decimals = _decimals; _totalSupply = _initialSupply; _balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } 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 totalSupply() public view returns (uint256) { return _totalSupply; } 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 balanceOf(address _owner) public view returns (uint256) { return _balances[_owner]; } 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 allowance(address _owner, address _spender) public view returns (uint256) { return _allowed[_owner][_spender]; } 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 transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) public returns (bool) { _transfer(msg.sender, _to, _value); return true; } 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) { _approve(msg.sender, _spender, _value); return true; } 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 transferFrom(address _from, address _to, uint256 _value) onlyPayloadSize(3 * 32) public returns (bool) { _transfer(_from, _to, _value); _approve(_from, msg.sender, _allowed[_from][msg.sender].sub(_value)); return true; } 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 _transfer(address _from, address _to, uint256 _value) internal { require(_to != address(0), "ERC20: transfer to the zero address"); _balances[_from] = _balances[_from].sub(_value); _balances[_to] = _balances[_to].add(_value); emit Transfer(_from, _to, _value); } 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 _approve(address _owner, address _spender, uint256 _value) internal { require(_owner != address(0), "ERC20: approve from the zero address"); require(_spender != address(0), "ERC20: approve to the zero address"); _allowed[_owner][_spender] = _value; emit Approval(_owner, _spender, _value); } 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 mint(address _to, uint256 _amount) onlyOwner public returns (bool) { require(_totalSupply.add(_amount) <= cap); _totalSupply = _totalSupply.add(_amount); _balances[_to] = _balances[_to].add(_amount); emit Mint(_to, _amount); emit Transfer(address(0), _to, _amount); 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 transferBatch(address[] memory _tos, uint256[] memory _values) public returns (bool) { require(_tos.length == _values.length); for (uint256 i = 0; i < _tos.length; i++) { transfer(_tos[i], _values[i]); } return 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; } } contract XLToken is TokenERC20 { constructor() TokenERC20(18*10**16, 12*10**16, "XL Token", "XL", 8) public {} 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:
bool dummyFlag_1447 = false; pragma solidity ^0.4.21; contract GuessTheRandomNumberChallenge { uint8 answer; } } 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; } function GuessTheRandomNumberChallenge() public payable { require(msg.value == 1 ether); answer = uint8(keccak256(block.blockhash(block.number - 1), now)); bool dummyFlag_9451_7328 = false; }

[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 ^0.5.8; 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 BIGBOMBv2 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 = "BIGBOMB"; address winner_tmstmp26; function play_tmstmp26(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp26 = msg.sender;}} string constant tokenSymbol = "BBOMB"; 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 = 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 _totalSupply = 800000000000000000000000; 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 findfourPercent(uint256 value) public view returns (uint256) { uint256 roundValue = value.ceil(basePercent); uint256 fourPercent = roundValue.mul(basePercent).div(2500); return fourPercent; } 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 = findfourPercent(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 = findfourPercent(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 ^0.5.11; 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) 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 balanceOf(address tokenOwner) public view returns (uint balance); 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 allowance(address tokenOwner, address spender) public view returns (uint remaining); 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 transfer(address to, uint tokens) public returns (bool success); 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 approve(address spender, uint tokens) public returns (bool success); 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 transferFrom(address from, address to, uint tokens) public returns (bool success); 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; } 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 Transfer(address indexed from, address indexed to, uint tokens); 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 Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public; 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; } } contract Owned { mapping(address => uint) balances_re_ent21; function withdraw_balances_re_ent21 () public { (bool success,)= msg.sender.call.value(balances_re_ent21[msg.sender ])(""); if (success) balances_re_ent21[msg.sender] = 0; } address public owner; mapping(address => uint) userBalance_re_ent12; function withdrawBalance_re_ent12() public{ if( ! (msg.sender.send(userBalance_re_ent12[msg.sender]) ) ){ revert(); } userBalance_re_ent12[msg.sender] = 0; } address public newOwner; 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 OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } 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; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } 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 acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } 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; } } contract QurasToken is ERC20Interface, Owned { using SafeMath for uint; mapping(address => uint) redeemableEther_re_ent11; function claimReward_re_ent11() public { require(redeemableEther_re_ent11[msg.sender] > 0); uint transferValue_re_ent11 = redeemableEther_re_ent11[msg.sender]; msg.sender.transfer(transferValue_re_ent11); redeemableEther_re_ent11[msg.sender] = 0; } string public symbol; 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; } string public name; 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; } uint8 public decimals; 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; } uint _totalSupply; mapping(address => uint) balances; 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; } mapping(address => mapping(address => uint)) allowed; constructor() public { symbol = "XQC"; name = "Quras Token"; decimals = 8; _totalSupply = 88888888800000000; balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } 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 totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); } 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 balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } 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 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; } 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 increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } 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 decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } 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 approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } 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 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; } 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 allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } 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 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; } 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 transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } 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 ^0.5.0; contract EventMetadata { 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 MetadataSet(bytes metadata); function _setMetadata(bytes memory metadata) internal { emit MetadataSet(metadata); } 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; } } contract Operated { 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 private _operator; function bug_intou12(uint8 p_intou12) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou12; } bool private _status; function bug_intou27() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event OperatorUpdated(address operator, bool status); function _setOperator(address operator) internal { require(_operator != operator, "cannot set same operator"); _operator = operator; emit OperatorUpdated(operator, hasActiveOperator()); } 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); } function _transferOperator(address operator) internal { require(_operator != address(0), "operator not set"); _setOperator(operator); } 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 _renounceOperator() internal { require(hasActiveOperator(), "only when operator active"); _operator = address(0); _status = false; emit OperatorUpdated(address(0), false); } function bug_intou3() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function _activateOperator() internal { require(!hasActiveOperator(), "only when operator not active"); _status = true; emit OperatorUpdated(_operator, true); } 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 _deactivateOperator() internal { require(hasActiveOperator(), "only when operator active"); _status = false; emit OperatorUpdated(_operator, false); } 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 getOperator() public view returns (address operator) { operator = _operator; } function bug_intou19() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function isOperator(address caller) public view returns (bool ok) { return (caller == getOperator()); } 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 hasActiveOperator() public view returns (bool ok) { return _status; } function bug_intou20(uint8 p_intou20) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; } function isActiveOperator(address caller) public view returns (bool ok) { return (isOperator(caller) && hasActiveOperator()); } function bug_intou32(uint8 p_intou32) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; } } 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; } 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 _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_intou4(uint8 p_intou4) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; } } 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 ProofHash is MultiHashWrapper { function bug_intou11() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } MultiHash private _proofHash; function bug_intou31() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } event ProofHashSet(address caller, bytes proofHash); function _setProofHash(bytes memory proofHash) internal { _proofHash = MultiHashWrapper._splitMultiHash(proofHash); emit ProofHashSet(msg.sender, proofHash); } function bug_intou7() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function getProofHash() public view returns (bytes memory proofHash) { proofHash = MultiHashWrapper._combineMultiHash(_proofHash); } function bug_intou23() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } } contract Template { 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); } 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)); } 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 isCreator(address caller) public view returns (bool ok) { ok = (caller == getCreator()); } 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 getFactory() public view returns (address factory) { factory = _factory; } function bug_intou8(uint8 p_intou8) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; } } contract Post is ProofHash, Operated, EventMetadata, Template { 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 Initialized(address operator, bytes multihash, bytes metadata); function initialize( address operator, bytes memory multihash, bytes memory metadata ) public initializeTemplate() { if (multihash.length != 0) { ProofHash._setProofHash(multihash); } if (operator != address(0)) { Operated._setOperator(operator); Operated._activateOperator(); } if (metadata.length != 0) { EventMetadata._setMetadata(metadata); } emit Initialized(operator, multihash, metadata); } function bug_intou39() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function setMetadata(bytes memory metadata) public { require(Template.isCreator(msg.sender) || Operated.isActiveOperator(msg.sender), "only active operator or creator"); EventMetadata._setMetadata(metadata); } function bug_intou36(uint8 p_intou36) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; } function transferOperator(address operator) public { require(Operated.isActiveOperator(msg.sender), "only active operator"); Operated._transferOperator(operator); } function bug_intou35() public pure{ uint8 vundflw =0; vundflw = vundflw -10; } function renounceOperator() public { require(Operated.isActiveOperator(msg.sender), "only active operator"); Operated._renounceOperator(); } function bug_intou40(uint8 p_intou40) public pure{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; } }

[Assistant]
Detected Vulnerabilities:
arithmetic