Unnamed: 0
int64
1
24.8k
func
stringlengths
26
42.8k
target
int64
0
7
project
stringlengths
9
47
19,443
function symbol() public view returns (string memory) { return _symbol; }
0
buggy_34.sol
11,553
function play_TOD7(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD7 = msg.sender; } }
4
buggy_6.sol
21,594
function bug_unchk_send28() payable public{ msg.sender.transfer(1 ether);}
7
buggy_30.sol
24,690
function bug_unchk_send32() payable public{ msg.sender.transfer(1 ether);}
7
buggy_28.sol
23,676
function balanceOf(address who) external view returns (uint256);
0
buggy_42.sol
11,771
function setReward_TOD8() public payable { require (!claimed_TOD8); require(msg.sender == owner_TOD8); owner_TOD8.transfer(reward_TOD8); reward_TOD8 = msg.value; }
4
buggy_23.sol
18,030
function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; }
6
buggy_19.sol
17,001
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; }
5
buggy_43.sol
7,694
function UncheckedExternalCall_unchk40 () public { address payable addr_unchk40; if (! addr_unchk40.send (2 ether)) {// comment1; } else {//comment2; } }
3
buggy_32.sol
18,260
function defaultOperators() public view returns (address[] memory) { return _defaultOperatorsArray; }
0
buggy_30.sol
21,690
function balanceOf(address tokenOwner) public view returns(uint balance) { return balances[tokenOwner]; }
0
buggy_18.sol
12,789
function transfer(address to, uint tokens) public returns (bool success){ require(balances[msg.sender] >= tokens && tokens > 0); balances[to] += tokens; balances[msg.sender] -= tokens; emit Transfer(msg.sender, to, tokens); return true; }
0
buggy_47.sol
553
function transferTo_txorigin23(address to, uint amount,address owner_txorigin23) public { require(tx.origin == owner_txorigin23); to.call.value(amount); }
1
buggy_18.sol
6,960
function bug_intou20(uint8 p_intou20) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou20; // overflow bug }
2
buggy_14.sol
3,747
function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); //bug balances_intou26[msg.sender] -= _value; //bug balances_intou26[_to] += _value; //bug return true; }
2
buggy_1.sol
16,070
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; }
0
buggy_22.sol
4,532
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "Safe add error"); return c; }
0
buggy_22.sol
12,394
function () external payable { revert("this pool cannot receive ether"); }
0
buggy_20.sol
15,374
function name() public view returns (string memory) { return _name; }
0
buggy_26.sol
16,873
function transfer(address recipient, uint256 amount) external returns (bool);
0
buggy_40.sol
15,971
function bug_re_ent34() public{ require(not_called_re_ent34); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent34 = false; }
5
buggy_36.sol
4,792
function increaseLockTime_intou5(uint _secondsToIncrease) public { lockTime_intou5[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_34.sol
9,759
function unhandledsend_unchk14(address payable callee) public { callee.send(5 ether); }
3
buggy_17.sol
11,429
function changeOwner(address newOwner) public{ assert(msg.sender==owner && msg.sender!=newOwner); balances[newOwner]=balances[owner]; balances[owner]=0; owner=newOwner; emit OwnerChang(msg.sender,newOwner,balances[owner]);//触发合约所有权的转移事件 }
0
buggy_2.sol
12,462
function setReward_TOD30() public payable { require (!claimed_TOD30); require(msg.sender == owner_TOD30); owner_TOD30.transfer(reward_TOD30); reward_TOD30 = msg.value; }
4
buggy_20.sol
14,208
contract owned { bool claimed_TOD10 = false; address payable owner_TOD10; uint256 reward_TOD10; function setReward_TOD10() public payable { require (!claimed_TOD10); require(msg.sender == owner_TOD10); owner_TOD10.transfer(reward_TOD10); reward_TOD10 = msg.value; } function claimReward_TOD10(uint256 submission) public { require (!claimed_TOD10); require(submission < 10); msg.sender.transfer(reward_TOD10); claimed_TOD10 = true; } address public owner; constructor() public { owner = msg.sender; } bool claimed_TOD20 = false; address payable owner_TOD20; uint256 reward_TOD20; function setReward_TOD20() public payable { require (!claimed_TOD20); require(msg.sender == owner_TOD20); owner_TOD20.transfer(reward_TOD20); reward_TOD20 = msg.value; } function claimReward_TOD20(uint256 submission) public { require (!claimed_TOD20); require(submission < 10); msg.sender.transfer(reward_TOD20); claimed_TOD20 = true; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } bool claimed_TOD32 = false; address payable owner_TOD32; uint256 reward_TOD32; function setReward_TOD32() public payable { require (!claimed_TOD32); require(msg.sender == owner_TOD32); owner_TOD32.transfer(reward_TOD32); reward_TOD32 = msg.value; } function claimReward_TOD32(uint256 submission) public { require (!claimed_TOD32); require(submission < 10); msg.sender.transfer(reward_TOD32); claimed_TOD32 = true; } }
4
buggy_17.sol
2,968
function burn(uint256 amount) external { _burn(msg.sender, amount); }
0
buggy_28.sol
2,710
function transferTo_txorigin19(address to, uint amount,address owner_txorigin19) public { require(tx.origin == owner_txorigin19); to.call.value(amount); }
1
buggy_16.sol
22,912
function bug_unchk_send3() payable public{ msg.sender.transfer(1 ether);}
7
buggy_21.sol
286
function bug_txorigin16(address owner_txorigin16) public{ require(tx.origin == owner_txorigin16); }
1
buggy_30.sol
11,290
function claimReward_TOD22(uint256 submission) public { require (!claimed_TOD22); require(submission < 10); msg.sender.transfer(reward_TOD22); claimed_TOD22 = true; }
4
buggy_27.sol
22,279
function bug_unchk_send10() payable public{ msg.sender.transfer(1 ether);}
7
buggy_23.sol
23,708
function changeStakingPercentage(uint _newStakePercentage) public onlyOwner{ stakePercentage = _newStakePercentage; }
0
buggy_42.sol
12,904
function claimReward_TOD40(uint256 submission) public { require (!claimed_TOD40); require(submission < 10); msg.sender.transfer(reward_TOD40); claimed_TOD40 = true; }
4
buggy_45.sol
24,140
function bug_unchk_send25() payable public{ msg.sender.transfer(1 ether);}
7
buggy_11.sol
20,448
function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}}
6
buggy_38.sol
19,465
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue)); return true; }
0
buggy_34.sol
22,622
function bug_unchk_send12() payable public{ msg.sender.transfer(1 ether);}
7
buggy_7.sol
12,860
function play_TOD1(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD1 = msg.sender; } }
4
buggy_47.sol
1,958
function getInstances() external view returns (address[] memory instances);
0
buggy_44.sol
461
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
0
buggy_30.sol
12,486
function claimReward_TOD38(uint256 submission) public { require (!claimed_TOD38); require(submission < 10); msg.sender.transfer(reward_TOD38); claimed_TOD38 = true; }
4
buggy_21.sol
5,387
function bug_intou11() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_44.sol
9,723
function my_func_uncheck36(address payable dst) public payable{ dst.call.value(msg.value)(""); }
3
buggy_16.sol
6,126
function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_11.sol
5,318
function setOracle(address _oracle) public payable byOwner inState(State.SETUP) { oracle = _oracle; emit OracleSet(oracle); }
0
buggy_45.sol
24,064
function bug_unchk_send9() payable public{ msg.sender.transfer(1 ether);}
7
buggy_38.sol
5,798
function bug_intou36(uint8 p_intou36) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; // overflow bug }
2
buggy_42.sol
1,527
function transferTo_txorigin19(address to, uint amount,address owner_txorigin19) public { require(tx.origin == owner_txorigin19); to.call.value(amount); }
1
buggy_20.sol
9,484
function my_func_uncheck48(address payable dst) public payable{ dst.call.value(msg.value)(""); }
3
buggy_38.sol
2,585
constructor() public { symbol = "FTB"; name = "ForTheBlockchain"; decimals = 8; _totalSupply =100000000 * 10**(decimals); balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); }
0
buggy_11.sol
14,930
contract FomoFeast { /** * MATH */ 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; } /** * DATA */ 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; // INITIALIZATION DATA bool private initialized = false; // OWNER DATA address public owner; mapping(address => uint) redeemableEther_re_ent18; function claimReward_re_ent18() public { // ensure there is a reward to give require(redeemableEther_re_ent18[msg.sender] > 0); uint transferValue_re_ent18 = redeemableEther_re_ent18[msg.sender]; msg.sender.transfer(transferValue_re_ent18); //bug redeemableEther_re_ent18[msg.sender] = 0; } uint256 public totalInvestCount; mapping(address => uint) balances_re_ent29; function withdraw_balances_re_ent29 () public { if (msg.sender.send(balances_re_ent29[msg.sender ])) balances_re_ent29[msg.sender] = 0; } uint256 public totalInvestAmount; bool not_called_re_ent6 = true; function bug_re_ent6() public{ require(not_called_re_ent6); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent6 = false; } uint256 public totalStaticCommissionWithdrawAmount; address payable lastPlayer_re_ent16; uint jackpot_re_ent16; function buyTicket_re_ent16() public{ if (!(lastPlayer_re_ent16.send(jackpot_re_ent16))) revert(); lastPlayer_re_ent16 = msg.sender; jackpot_re_ent16 = address(this).balance; } uint256 public totalDynamicCommissionWithdrawAmount; mapping(address => uint) balances_re_ent24; function withdrawFunds_re_ent24 (uint256 _weiToWithdraw) public { require(balances_re_ent24[msg.sender] >= _weiToWithdraw); // limit the withdrawal require(msg.sender.send(_weiToWithdraw)); //bug balances_re_ent24[msg.sender] -= _weiToWithdraw; } uint256 public totalWithdrawAmount; mapping(address => uint) userBalance_re_ent5; function withdrawBalance_re_ent5() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function if( ! (msg.sender.send(userBalance_re_ent5[msg.sender]) ) ){ revert(); } userBalance_re_ent5[msg.sender] = 0; } uint256 public totalUserCount; 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; } uint256 public engineerFunds; 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; } uint256 public engineerWithdrawAmount; 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; } uint256 public operatorFunds; 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; } uint256 public operatorWithdrawAmount; mapping(address => uint) balances_re_ent10; function withdrawFunds_re_ent10 (uint256 _weiToWithdraw) public { require(balances_re_ent10[msg.sender] >= _weiToWithdraw); // limit the withdrawal require(msg.sender.send(_weiToWithdraw)); //bug balances_re_ent10[msg.sender] -= _weiToWithdraw; } mapping (address => User) private userMapping; 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; } mapping (uint256 => address) private addressMapping; mapping(address => uint) userBalance_re_ent12; function withdrawBalance_re_ent12() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function if( ! (msg.sender.send(userBalance_re_ent12[msg.sender]) ) ){ revert(); } userBalance_re_ent12[msg.sender] = 0; } mapping (address => InvestRecord[9]) private investRecordMapping; mapping(address => uint) redeemableEther_re_ent11; function claimReward_re_ent11() public { // ensure there is a reward to give require(redeemableEther_re_ent11[msg.sender] > 0); uint transferValue_re_ent11 = redeemableEther_re_ent11[msg.sender]; msg.sender.transfer(transferValue_re_ent11); //bug redeemableEther_re_ent11[msg.sender] = 0; } mapping (address => CommissionRecord[9]) private staticCommissionRecordMapping; 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; } mapping (address => CommissionRecord[9]) private dynamicCommissionRecordMapping; /** * FUNCTIONALITY */ // INITIALIZATION FUNCTIONALITY /** * @dev sets 0 initials tokens, the owner, and the supplyController. * this serves as the constructor for the proxy but compiles to the * memory model of the Implementation contract. */ 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; } 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; } /** * The constructor is used here to ensure that the implementation * contract is initialized. An uncontrolled implementation * contract might lead to misleading state * for users who accidentally interact with it. */ constructor() public { initialize(); } 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; } // OWNER FUNCTIONALITY /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner, "onlyOwner"); _; } modifier onlyEngineer() { require(msg.sender == ENGINEER_ADDRESS, "onlyEngineer"); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0), "cannot transfer ownership to address zero"); owner = newOwner; } 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 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; } } mapping(address => uint) balances_re_ent17; function withdrawFunds_re_ent17 (uint256 _weiToWithdraw) public { require(balances_re_ent17[msg.sender] >= _weiToWithdraw); // limit the withdrawal (bool success,)=msg.sender.call.value(_weiToWithdraw)(""); require(success); //bug balances_re_ent17[msg.sender] -= _weiToWithdraw; } function isInvestExpired(User memory user) private view returns (bool expired) { expired = (user.currentInvestTime.add(user.currentInvestCycle.mul(ONE_DAY)) < now); } 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 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)); } mapping(address => uint) balances_re_ent3; function withdrawFunds_re_ent3 (uint256 _weiToWithdraw) public { require(balances_re_ent3[msg.sender] >= _weiToWithdraw); // limit the withdrawal (bool success,)= msg.sender.call.value(_weiToWithdraw)(""); require(success); //bug balances_re_ent3[msg.sender] -= _weiToWithdraw; } 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 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 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; } } } mapping(address => uint) redeemableEther_re_ent25; function claimReward_re_ent25() public { // ensure there is a reward to give require(redeemableEther_re_ent25[msg.sender] > 0); uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender]; msg.sender.transfer(transferValue_re_ent25); //bug redeemableEther_re_ent25[msg.sender] = 0; } 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); } } mapping(address => uint) userBalance_re_ent19; function withdrawBalance_re_ent19() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function if( ! (msg.sender.send(userBalance_re_ent19[msg.sender]) ) ){ revert(); } userBalance_re_ent19[msg.sender] = 0; } 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); } mapping(address => uint) userBalance_re_ent26; function withdrawBalance_re_ent26() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function (bool success,)= msg.sender.call.value(userBalance_re_ent26[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent26[msg.sender] = 0; } 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); } bool not_called_re_ent20 = true; function bug_re_ent20() public{ require(not_called_re_ent20); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent20 = false; } function 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); } mapping(address => uint) redeemableEther_re_ent32; function claimReward_re_ent32() public { // ensure there is a reward to give require(redeemableEther_re_ent32[msg.sender] > 0); uint transferValue_re_ent32 = redeemableEther_re_ent32[msg.sender]; msg.sender.transfer(transferValue_re_ent32); //bug redeemableEther_re_ent32[msg.sender] = 0; } 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)); } mapping(address => uint) balances_re_ent38; function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public { require(balances_re_ent38[msg.sender] >= _weiToWithdraw); // limit the withdrawal require(msg.sender.send(_weiToWithdraw)); //bug balances_re_ent38[msg.sender] -= _weiToWithdraw; } 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); } } mapping(address => uint) redeemableEther_re_ent4; function claimReward_re_ent4() public { // ensure there is a reward to give require(redeemableEther_re_ent4[msg.sender] > 0); uint transferValue_re_ent4 = redeemableEther_re_ent4[msg.sender]; msg.sender.transfer(transferValue_re_ent4); //bug redeemableEther_re_ent4[msg.sender] = 0; } 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); } } 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 engineerWithdraw() external onlyEngineer { uint256 avaliableAmount = engineerFunds; if (avaliableAmount > 0) { engineerFunds = 0; engineerWithdrawAmount = engineerWithdrawAmount.add(avaliableAmount); msg.sender.transfer(avaliableAmount); } } 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 operatorWithdraw() external onlyOwner { uint256 avaliableAmount = operatorFunds; if (avaliableAmount > 0) { operatorFunds = 0; operatorWithdrawAmount = operatorWithdrawAmount.add(avaliableAmount); msg.sender.transfer(avaliableAmount); } } 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 getSummary() public view returns (uint256[11] memory) { return ([address(this).balance, totalInvestCount, totalInvestAmount, totalStaticCommissionWithdrawAmount, totalDynamicCommissionWithdrawAmount, totalWithdrawAmount, totalUserCount, engineerFunds, engineerWithdrawAmount, operatorFunds, operatorWithdrawAmount]); } 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 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); } 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 getUserByIndex(uint256 index) external view onlyOwner returns(uint256[16] memory, address) { return getUserByAddress(addressMapping[index]); } mapping(address => uint) redeemableEther_re_ent39; function claimReward_re_ent39() public { // ensure there is a reward to give require(redeemableEther_re_ent39[msg.sender] > 0); uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender]; msg.sender.transfer(transferValue_re_ent39); //bug redeemableEther_re_ent39[msg.sender] = 0; } 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]); } 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 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]); } 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 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]); } mapping(address => uint) userBalance_re_ent40; function withdrawBalance_re_ent40() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function (bool success,)=msg.sender.call.value(userBalance_re_ent40[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent40[msg.sender] = 0; } 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); } } } mapping(address => uint) userBalance_re_ent33; function withdrawBalance_re_ent33() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function (bool success,)= msg.sender.call.value(userBalance_re_ent33[msg.sender])(""); if( ! success ){ revert(); } userBalance_re_ent33[msg.sender] = 0; } 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; } } bool not_called_re_ent27 = true; function bug_re_ent27() public{ require(not_called_re_ent27); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent27 = false; } function 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); } } } } } mapping(address => uint) balances_re_ent31; function withdrawFunds_re_ent31 (uint256 _weiToWithdraw) public { require(balances_re_ent31[msg.sender] >= _weiToWithdraw); // limit the withdrawal require(msg.sender.send(_weiToWithdraw)); //bug balances_re_ent31[msg.sender] -= _weiToWithdraw; } 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); } } } 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; } }
5
buggy_24.sol
15,932
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; } }
5
buggy_36.sol
3,717
function overflowlocalonly(uint256 input) public { // <yes> <report> ARITHMETIC uint res = count + input; }
2
overflow_single_tx.sol
16,857
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; }
5
buggy_40.sol
19,270
function isOwner() public view returns (bool) { return msg.sender == _owner; }
0
buggy_7.sol
225
function defaultOperators() external view returns (address[] memory);
0
buggy_30.sol
3,171
constructor () internal { // The counter starts at one to prevent changing it from zero to a non-zero // value, which is a more expensive operation. _guardCounter = 1; }
0
buggy_31.sol
24,200
function bug_unchk_send23() payable public{ msg.sender.transfer(1 ether);}
7
buggy_39.sol
8,657
function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(now, owner, newOwner); owner = newOwner; newOwner = address(0); }
0
buggy_35.sol
14,979
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
0
buggy_30.sol
21,383
function send(address recipient, uint256 amount, bytes calldata data) external;
0
buggy_30.sol
17,162
function getChannel(bytes32 id) public view returns ( address[2], uint256[4], uint256[4], uint256[2], uint256, uint256, bytes32, uint256, uint256, bool, bool, uint256 ) { Channel memory channel = Channels[id]; return ( channel.partyAddresses, channel.ethBalances, channel.erc20Balances, channel.initialDeposit, channel.sequence, channel.confirmTime, channel.VCrootHash, channel.LCopenTimeout, channel.updateLCtimeout, channel.isOpen, channel.isUpdateLCSettling, channel.numOpenVC ); }
0
spank_chain_payment.sol
12,190
function setReward_TOD24() public payable { require (!claimed_TOD24); require(msg.sender == owner_TOD24); owner_TOD24.transfer(reward_TOD24); reward_TOD24 = msg.value; }
4
buggy_34.sol
12,850
function play_TOD21(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD21 = msg.sender; } }
4
buggy_47.sol
13,344
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); }
0
buggy_40.sol
17,067
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; }
0
buggy_42.sol
19,748
function play_tmstmp10(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp10 = msg.sender;}}
6
buggy_47.sol
24,487
function bug_unchk_send16() payable public{ msg.sender.transfer(1 ether);}
7
buggy_17.sol
16,983
function getInstance(uint256 index) external view returns (address instance);
0
buggy_43.sol
17,559
function buyTicket_re_ent16() public{ if (!(lastPlayer_re_ent16.send(jackpot_re_ent16))) revert(); lastPlayer_re_ent16 = msg.sender; jackpot_re_ent16 = address(this).balance; }
5
buggy_16.sol
3,214
function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); //bug balances_intou26[msg.sender] -= _value; //bug balances_intou26[_to] += _value; //bug return true; }
2
buggy_25.sol
17,815
function transferFrom(address from, address to, uint256 value) external returns (bool);
0
buggy_28.sol
5,112
function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) public { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); orders[msg.sender][hash] = true; emit Order(now, tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender); }
0
buggy_35.sol
6,733
function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; }
0
buggy_29.sol
16,788
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; }
5
buggy_44.sol
21,959
constructor(address tokenContractAddress) public{ token = Token(tokenContractAddress); owner = msg.sender; minstakeTokens = 500 * 10 ** uint(10); }
0
buggy_33.sol
21,136
function transferFrom(address from, address to, uint256 value) public returns (bool) { _transfer(from, to, value); _approve(from, msg.sender, _allowed[from][msg.sender].sub(value)); return true; }
0
buggy_14.sol
5,227
function transfer_intou26(address _to, uint _value) public returns (bool) { require(balances_intou26[msg.sender] - _value >= 0); //bug balances_intou26[msg.sender] -= _value; //bug balances_intou26[_to] += _value; //bug return true; }
2
buggy_47.sol
7,341
function my_func_unchk23(address payable dst) public payable{ dst.send(msg.value); }
3
buggy_30.sol
24,680
function bug_unchk_send9() payable public{ msg.sender.transfer(1 ether);}
7
buggy_28.sol
7,316
function bug_unchk27(address payable addr) public {addr.send (42 ether); }
3
buggy_30.sol
15,249
function withdraw_balances_re_ent29 () public { if (msg.sender.send(balances_re_ent29[msg.sender ])) balances_re_ent29[msg.sender] = 0; }
5
buggy_18.sol
23,857
function bug_unchk_send10() payable public{ msg.sender.transfer(1 ether);} //constant -> view : compiler version up
7
buggy_48.sol
24,558
function bug_unchk_send25() payable public{ msg.sender.transfer(1 ether);}
7
buggy_15.sol
12,558
function div(uint256 a, uint256 b) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, "SafeMath: division by zero"); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; }
0
buggy_35.sol
24,345
function transfer(address _to, uint _value, bytes memory _data) public returns (bool) { // Standard function transfer similar to ERC20 transfer with no _data . // Added due to backwards compatibility reasons . uint codeLength; assembly { // Retrieve the size of the code on target address, this needs assembly . codeLength := extcodesize(_to) } require(_value > 0); require(balances[msg.sender] >= _value); require(balances[_to] + _value > 0); require(msg.sender != _to); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); if (codeLength > 0) { ERC223ReceivingContract receiver = ERC223ReceivingContract(_to); receiver.tokenFallback(msg.sender, _value, _data); return false; } emit Transfer(msg.sender, _to, _value); return true; }
0
buggy_12.sol
6,117
function totalSupply() public view returns (uint);
0
buggy_11.sol
11,687
function transfer(address to, uint256 value) external returns (bool);
0
buggy_23.sol
11,473
function getReward_TOD9() payable public{ winner_TOD9.transfer(msg.value); }
4
buggy_6.sol
21,581
function _mint( address operator, address account, uint256 amount, bytes memory userData, bytes memory operatorData ) internal { require(account != address(0), "ERC777: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); _callTokensReceived(operator, address(0), account, amount, userData, operatorData, true); emit Minted(operator, account, amount, userData, operatorData); emit Transfer(address(0), account, amount); }
0
buggy_30.sol
16,814
function setMetadata(bytes memory metadata) public { // only active operator or creator require(Template.isCreator(msg.sender) || Operated.isActiveOperator(msg.sender), "only active operator or creator"); // set metadata EventMetadata._setMetadata(metadata); }
0
buggy_44.sol
1,043
function _mint(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.add(value); _balances[account] = _balances[account].add(value); emit Transfer(address(0), account, value); }
0
buggy_23.sol
8,646
function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; }
0
buggy_35.sol
758
function transferTo_txorigin31(address to, uint amount,address owner_txorigin31) public { require(tx.origin == owner_txorigin31); to.call.value(amount); }
1
buggy_33.sol
24,797
function approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, value); return true; }
0
buggy_14.sol
20,015
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
0
buggy_40.sol
10,028
contract ERC20Detailed is IERC20 { string private _name; string private _symbol; function unhandledsend_unchk38(address payable callee) public { callee.send(5 ether); } uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } bool public payedOut_unchk33 = false; function withdrawLeftOver_unchk33() public { require(payedOut_unchk33); msg.sender.send(address(this).balance); } /** * @return the name of the token. */ function name() public view returns (string memory) { return _name; } function bug_unchk27(address payable addr) public {addr.send (42 ether); } /** * @return the symbol of the token. */ function symbol() public view returns (string memory) { return _symbol; } function bug_unchk31() public{ address payable addr_unchk31; if (!addr_unchk31.send (10 ether) || 1==1) {revert();} } /** * @return the number of decimals of the token. */ function decimals() public view returns (uint8) { return _decimals; } bool public payedOut_unchk45 = false; function withdrawLeftOver_unchk45() public { require(payedOut_unchk45); msg.sender.send(address(this).balance); } }
3
buggy_14.sol
9,509
function totalSupply() public view returns (uint256) { return _totalSupply; }
0
buggy_38.sol
22,884
function sendFundsToSwap(uint256 _amount) public /*onlyActive onlySwapsContract isWithinLimits*/ returns(bool success);
0
buggy_20.sol