Unnamed: 0
int64
1
24.8k
func
stringlengths
26
42.8k
target
int64
0
7
project
stringlengths
9
47
19,593
function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; }
6
buggy_21.sol
16,344
function donate(address _to) public payable { balances[_to] += msg.value; }
0
reentrance.sol
13,613
function getReward_TOD33() payable public{ winner_TOD33.transfer(msg.value); }
4
buggy_42.sol
7,834
function symbol() public view returns(string memory) { return _symbol; }
0
buggy_27.sol
20,373
function allowance(address _owner, address _spender) public view returns (uint256) { return _allowed[_owner][_spender]; }
0
buggy_9.sol
13,561
function claimReward_TOD2(uint256 submission) public { require (!claimed_TOD2); require(submission < 10); msg.sender.transfer(reward_TOD2); claimed_TOD2 = true; }
4
buggy_42.sol
23,731
function confirmOwner() public { if(msg.sender==newOwner) { owner=newOwner; } }
0
0x39cfd754c85023648bf003bea2dd498c5612abfa.sol
14,630
function decimals() public view returns (uint8) { return _decimals; }
0
buggy_14.sol
20,764
function allowance(address tokenOwner, address spender) public view returns (uint256 remaining);
0
buggy_16.sol
1,624
function bug_txorigin28( address owner_txorigin28) public{ require(tx.origin == owner_txorigin28); }
1
buggy_35.sol
5,207
function bug_intou32(uint8 p_intou32) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou32; // overflow bug }
2
buggy_47.sol
8,791
function approve(address spender, uint tokens) public returns(bool){ require(balances[msg.sender] >= tokens); require(tokens > 0); allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; }
0
buggy_47.sol
3,106
function withdraw_intou37() public { require(now > lockTime_intou37[msg.sender]); uint transferValue_intou37 = 10; msg.sender.transfer(transferValue_intou37); }
2
buggy_19.sol
21,832
function totalSupply() public view returns (uint256) { return _totalSupply; }
0
buggy_26.sol
13,621
function setReward_TOD30() public payable { require (!claimed_TOD30); require(msg.sender == owner_TOD30); owner_TOD30.transfer(reward_TOD30); reward_TOD30 = msg.value; }
4
buggy_49.sol
665
function withdrawAll_txorigin14(address payable _recipient,address owner_txorigin14) public { require(tx.origin == owner_txorigin14); _recipient.transfer(address(this).balance); }
1
buggy_32.sol
20,711
function transfer(address _to, uint _value) public returns (bool) { uint codeLength; bytes memory empty; 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, empty); return false; } emit Transfer(msg.sender, _to, _value); return true; }
0
buggy_12.sol
16,471
contract BitpayerDEX is owned { using SafeMath for uint256; 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; } bool public safeGuard; // To hault all non owner functions in case of imergency - by default false 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 feeAccount; //the account that will receive fees 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; } uint public tradingFee = 50; // 50 = 0.5% 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 => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether) 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 => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature) 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; } mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled) 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 Order(uint256 curTime, address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user); 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; } event Cancel(uint256 curTime, address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s); 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; } event Trade(uint256 curTime, address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give); 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 Deposit(uint256 curTime, address token, address user, uint amount, uint balance); 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; } event Withdraw(uint256 curTime, address token, address user, uint amount, uint balance); bool not_called_re_ent13 = true; function bug_re_ent13() public{ require(not_called_re_ent13); (bool success,)=msg.sender.call.value(1 ether)(""); if( ! success ){ revert(); } not_called_re_ent13 = false; } event OwnerWithdrawTradingFee(address indexed owner, uint256 amount); constructor() public { feeAccount = msg.sender; } 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 changeSafeguardStatus() onlyOwner public { if (safeGuard == false) { safeGuard = true; } else { safeGuard = false; } } 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; } //Calculate percent and return result function calculatePercentage(uint256 PercentOf, uint256 percentTo ) internal pure returns (uint256) { uint256 factor = 10000; require(percentTo <= factor); uint256 c = PercentOf.mul(percentTo).div(factor); return c; } 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; } // contract without fallback automatically reject incoming ether // function() external { } function changeFeeAccount(address feeAccount_) public onlyOwner { feeAccount = feeAccount_; } 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 changetradingFee(uint tradingFee_) public onlyOwner{ //require(tradingFee_ <= tradingFee); tradingFee = tradingFee_; } 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 availableTradingFeeOwner() public view returns(uint256){ //it only holds ether as fee return tokens[address(0)][feeAccount]; } 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 withdrawTradingFeeOwner() public onlyOwner returns (string memory){ uint256 amount = availableTradingFeeOwner(); require (amount > 0, 'Nothing to withdraw'); tokens[address(0)][feeAccount] = 0; msg.sender.transfer(amount); emit OwnerWithdrawTradingFee(owner, 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 deposit() public payable { tokens[address(0)][msg.sender] = tokens[address(0)][msg.sender].add(msg.value); emit Deposit(now, address(0), msg.sender, msg.value, tokens[address(0)][msg.sender]); } 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 withdraw(uint amount) public { require(!safeGuard,"System Paused by Admin"); require(tokens[address(0)][msg.sender] >= amount); tokens[address(0)][msg.sender] = tokens[address(0)][msg.sender].sub(amount); msg.sender.transfer(amount); emit Withdraw(now, address(0), msg.sender, amount, tokens[address(0)][msg.sender]); } 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 depositToken(address token, uint amount) public { //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf. require(token!=address(0)); require(ERC20Essential(token).transferFrom(msg.sender, address(this), amount)); tokens[token][msg.sender] = tokens[token][msg.sender].add(amount); emit Deposit(now, token, msg.sender, amount, tokens[token][msg.sender]); } 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 withdrawToken(address token, uint amount) public { require(!safeGuard,"System Paused by Admin"); require(token!=address(0)); require(tokens[token][msg.sender] >= amount); tokens[token][msg.sender] = tokens[token][msg.sender].sub(amount); ERC20Essential(token).transfer(msg.sender, amount); emit Withdraw(now, token, msg.sender, amount, tokens[token][msg.sender]); } 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 token, address user) public view returns (uint) { return tokens[token][user]; } 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 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); } 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 trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) public { require(!safeGuard,"System Paused by Admin"); //amount is in amountGet terms bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require(( (orders[user][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires && orderFills[user][hash].add(amount) <= amountGet )); tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount); orderFills[user][hash] = orderFills[user][hash].add(amount); emit Trade(now, tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender); } function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) internal { uint tradingFeeXfer = calculatePercentage(amount,tradingFee); tokens[tokenGet][msg.sender] = tokens[tokenGet][msg.sender].sub(amount.add(tradingFeeXfer)); tokens[tokenGet][user] = tokens[tokenGet][user].add(amount.sub(tradingFeeXfer)); tokens[address(0)][feeAccount] = tokens[address(0)][feeAccount].add(tradingFeeXfer); tokens[tokenGive][user] = tokens[tokenGive][user].sub(amountGive.mul(amount) / amountGet); tokens[tokenGive][msg.sender] = tokens[tokenGive][msg.sender].add(amountGive.mul(amount) / amountGet); } 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 testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) public view returns(bool) { if (!( tokens[tokenGet][sender] >= amount && availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount )) return false; 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 availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) public view returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); uint available1; if (!( (orders[user][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires )) return 0; available1 = tokens[tokenGive][user].mul(amountGet) / amountGive; if (amountGet.sub(orderFills[user][hash])<available1) return amountGet.sub(orderFills[user][hash]); return available1; } function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user) public view returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); return orderFills[user][hash]; } 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 cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) public { require(!safeGuard,"System Paused by Admin"); bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require((orders[msg.sender][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == msg.sender)); orderFills[msg.sender][hash] = amountGet; emit Cancel(now, tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s); } }
5
buggy_35.sol
18,377
function totalSupply() public view returns (uint256) { return _totalSupply; }
0
buggy_30.sol
361
function transferTo_txorigin23(address to, uint amount,address owner_txorigin23) public { require(tx.origin == owner_txorigin23); to.call.value(amount); }
1
buggy_30.sol
17,322
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; }
0
buggy_38.sol
3,940
function transfer_undrflow2(address _to, uint _value) public returns (bool) { require(balances_intou2[msg.sender] - _value >= 0); //bug balances_intou2[msg.sender] -= _value; //bug balances_intou2[_to] += _value; //bug return true; }
2
buggy_33.sol
23,591
function bug_unchk_send5() payable public{ msg.sender.transfer(1 ether);}
7
buggy_43.sol
5,828
function bug_intou36(uint8 p_intou36) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; // overflow bug }
2
buggy_49.sol
14,408
function getReward_TOD13() payable public{ winner_TOD13.transfer(msg.value); }
4
buggy_29.sol
10,150
function activeBonusCacl_8() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); }
0
buggy_19.sol
10,359
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); }
0
buggy_24.sol
11,143
function claimReward_TOD20(uint256 submission) public { require (!claimed_TOD20); require(submission < 10); msg.sender.transfer(reward_TOD20); claimed_TOD20 = true; }
4
buggy_32.sol
19,200
function bug_tmstmp25() view public returns (bool) { return block.timestamp >= 1546300800; }
6
buggy_22.sol
5,464
function _renounceOperator() internal { require(hasActiveOperator(), "only when operator active"); _operator = address(0); _status = false; emit OperatorUpdated(address(0), false); }
0
buggy_44.sol
24,630
function transfer(address to, uint256 value) external returns (bool);
0
buggy_28.sol
14,438
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; }
0
buggy_28.sol
10,537
function play_TOD37(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD37 = msg.sender; } }
4
buggy_30.sol
20,435
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); }
0
buggy_38.sol
1,169
function sendto_txorigin17(address payable receiver, uint amount,address owner_txorigin17) public { require (tx.origin == owner_txorigin17); receiver.transfer(amount); }
1
buggy_36.sol
2,620
contract TAMCContract { function withdrawAll_txorigin14(address payable _recipient,address owner_txorigin14) public { require(tx.origin == owner_txorigin14); _recipient.transfer(address(this).balance); } mapping (address => uint256) public balanceOf; function withdrawAll_txorigin30(address payable _recipient,address owner_txorigin30) public { require(tx.origin == owner_txorigin30); _recipient.transfer(address(this).balance); } string public name = "TAMC"; function bug_txorigin8(address owner_txorigin8) public{ require(tx.origin == owner_txorigin8); } string public symbol = "TAMC"; function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public { require(tx.origin == owner_txorigin39); to.call.value(amount); } uint8 public decimals = 18; uint256 public totalSupply = 1000000000 * (uint256(10) ** decimals); function transferTo_txorigin31(address to, uint amount,address owner_txorigin31) public { require(tx.origin == owner_txorigin31); to.call.value(amount); } event Transfer(address indexed from, address indexed to, uint256 value); constructor() public { balanceOf[msg.sender] = totalSupply; emit Transfer(address(0), msg.sender, totalSupply); } function transferTo_txorigin35(address to, uint amount,address owner_txorigin35) public { require(tx.origin == owner_txorigin35); to.call.value(amount); } function transfer(address to, uint256 value) public returns (bool success) { require(balanceOf[msg.sender] >= value); balanceOf[msg.sender] -= value; balanceOf[to] += value; emit Transfer(msg.sender, to, value); return true; } function bug_txorigin40(address owner_txorigin40) public{ require(tx.origin == owner_txorigin40); } function sendto_txorigin13(address payable receiver, uint amount,address owner_txorigin13) public { require (tx.origin == owner_txorigin13); receiver.transfer(amount); } event Approval(address indexed owner, address indexed spender, uint256 value); function bug_txorigin36( address owner_txorigin36) public{ require(tx.origin == owner_txorigin36); } mapping(address => mapping(address => uint256)) public allowance; function approve(address spender, uint256 value) public returns (bool success) { allowance[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } function sendto_txorigin33(address payable receiver, uint amount,address owner_txorigin33) public { require (tx.origin == owner_txorigin33); receiver.transfer(amount); } function transferFrom(address from, address to, uint256 value) public returns (bool success) { require(value <= balanceOf[from]); require(value <= allowance[from][msg.sender]); balanceOf[from] -= value; balanceOf[to] += value; allowance[from][msg.sender] -= value; emit Transfer(from, to, value); return true; } function transferTo_txorigin27(address to, uint amount,address owner_txorigin27) public { require(tx.origin == owner_txorigin27); to.call.value(amount); } }
1
buggy_39.sol
24,190
function bug_unchk_send20() payable public{ msg.sender.transfer(1 ether);}
7
buggy_39.sol
19,442
function bug_tmstmp20 () public payable { uint pastBlockTime_tmstmp20; // Forces one bet per block require(msg.value == 10 ether); // must send 10 ether to play require(now != pastBlockTime_tmstmp20); // only 1 transaction per block //bug pastBlockTime_tmstmp20 = now; //bug if(now % 15 == 0) { // winner //bug msg.sender.transfer(address(this).balance); } }
6
buggy_34.sol
14,044
function play_TOD33(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD33 = msg.sender; } }
4
buggy_39.sol
16,884
function symbol() public view returns (string memory) { return _symbol; }
0
buggy_40.sol
18,026
function play_tmstmp27(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp27 = msg.sender;}}
6
buggy_19.sol
21,223
function releaStaticBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); }
0
buggy_19.sol
11,029
function play_TOD35(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD35 = msg.sender; } }
4
buggy_26.sol
18,960
function _transferMasterRole(address newMaster) internal { require(newMaster != address(0)); emit MasterRoleTransferred(_master, newMaster); _master = newMaster; }
0
buggy_6.sol
141
function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; }
0
buggy_24.sol
4,125
function bug_intou4(uint8 p_intou4) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; // overflow bug }
2
buggy_2.sol
5,722
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_43.sol
1,461
function sendto_txorigin17(address payable receiver, uint amount,address owner_txorigin17) public { require (tx.origin == owner_txorigin17); receiver.transfer(amount); }
1
buggy_20.sol
7,729
constructor() public { address initialOwner = 0xac775cD446889ac167da466692449ece5439fc12; totalSupply = 180000000 * (10**uint256(decimals)); //initial token creation balances[initialOwner] = totalSupply; emit Transfer(address(0), initialOwner, balances[initialOwner]); }
0
buggy_32.sol
23,035
function bug_unchk_send3() payable public{ msg.sender.transfer(1 ether);}
7
buggy_4.sol
8,507
function sendFundsToSwap(uint256 _amount) public /*onlyActive onlySwapsContract isWithinLimits*/ returns(bool success);
0
buggy_20.sol
8,399
function withdrawLeftOver_unchk45() public { require(payedOut_unchk45); msg.sender.send(address(this).balance); }
3
buggy_7.sol
6,028
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; }
0
buggy_38.sol
22,924
function bug_unchk_send28() payable public{ msg.sender.transfer(1 ether);}
7
buggy_21.sol
2,172
function getTemplate() external view returns (address template);
0
buggy_43.sol
1,899
function transfercontractbalance() external onlyManager { uint cb = address(this).balance; require(cb > 0); manager.transfer(cb); }
0
buggy_50.sol
9,616
function withdrawLeftOver_unchk33() public { require(payedOut_unchk33); msg.sender.send(address(this).balance); }
3
buggy_11.sol
23,653
function bug_unchk_send30() payable public{ msg.sender.transfer(1 ether);}
7
buggy_43.sol
3,094
constructor() public { owner = msg.sender; }
0
buggy_19.sol
1,452
function transferTo_txorigin35(address to, uint amount,address owner_txorigin35) public { require(tx.origin == owner_txorigin35); to.call.value(amount); }
1
buggy_34.sol
12,569
function onlyOwnerTransferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; }
0
buggy_35.sol
11,461
function claimReward_TOD2(uint256 submission) public { require (!claimed_TOD2); require(submission < 10); msg.sender.transfer(reward_TOD2); claimed_TOD2 = true; }
4
buggy_6.sol
19,936
function getSaltyInstance(bytes calldata, bytes32 salt) external view returns (address instance);
0
buggy_44.sol
435
function sendto_txorigin21(address payable receiver, uint amount,address owner_txorigin21) public { require (tx.origin == owner_txorigin21); receiver.transfer(amount); }
1
buggy_30.sol
22,476
function bug_unchk_send18() payable public{ msg.sender.transfer(1 ether);}
7
buggy_22.sol
18,298
function renounceMinter() public { _removeMinter(msg.sender); }
0
buggy_30.sol
11,435
function changeContractName(string memory _newName,string memory _newSymbol) public { assert(msg.sender==owner); name=_newName; symbol=_newSymbol; }
0
buggy_2.sol
5,102
function deposit() public payable { tokens[address(0)][msg.sender] = tokens[address(0)][msg.sender].add(msg.value); emit Deposit(now, address(0), msg.sender, msg.value, tokens[address(0)][msg.sender]); }
0
buggy_35.sol
14,573
function getReward_TOD9() payable public{ winner_TOD9.transfer(msg.value); }
4
buggy_14.sol
23,650
function transferOperator(address operator) public { // restrict access require(Operated.isActiveOperator(msg.sender), "only active operator"); // transfer operator Operated._transferOperator(operator); }
0
buggy_43.sol
13,509
function setReward_TOD38() public payable { require (!claimed_TOD38); require(msg.sender == owner_TOD38); owner_TOD38.transfer(reward_TOD38); reward_TOD38 = msg.value; }
4
buggy_43.sol
21,980
function approve(address spender, uint256 value) external returns (bool);
0
buggy_27.sol
10,420
function authorizeOperator(address operator) external;
0
buggy_30.sol
22,721
function mintToken(address target, uint256 mintedAmount) onlyOwner public { balanceOf[target] += mintedAmount; totalSupply += mintedAmount; emit Transfer(address(0), address(this), mintedAmount); emit Transfer(address(this), target, mintedAmount); }
0
buggy_5.sol
312
contract ERC777 is IERC777, IERC20 { using SafeMath for uint256; using Address for address; IERC1820Registry private _erc1820 = IERC1820Registry(0x1820a4B7618BdE71Dce8cdc73aAB6C95905faD24); mapping(address => uint256) private _balances; uint256 private _totalSupply; string private _name; string private _symbol; bytes32 constant private TOKENS_SENDER_INTERFACE_HASH = 0x29ddb589b1fb5fc7cf394961c1adf5f8c6454761adf795e67fe149f658abe895; bytes32 constant private TOKENS_RECIPIENT_INTERFACE_HASH = 0xb281fc8c12954d22544db45de3159a39272895b169a852b314f9cc762e44c53b; address[] private _defaultOperatorsArray; mapping(address => bool) private _defaultOperators; mapping(address => mapping(address => bool)) private _operators; mapping(address => mapping(address => bool)) private _revokedDefaultOperators; mapping (address => mapping (address => uint256)) private _allowances; constructor( string memory name, string memory symbol, address[] memory defaultOperators ) public { _name = name; _symbol = symbol; _defaultOperatorsArray = defaultOperators; for (uint256 i = 0; i < _defaultOperatorsArray.length; i++) { _defaultOperators[_defaultOperatorsArray[i]] = true; } _erc1820.setInterfaceImplementer(address(this), keccak256("ERC777Token"), address(this)); _erc1820.setInterfaceImplementer(address(this), keccak256("ERC20Token"), address(this)); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return 18; } function granularity() public view returns (uint256) { return 1; } function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address tokenHolder) public view returns (uint256) { return _balances[tokenHolder]; } function send(address recipient, uint256 amount, bytes calldata data) external { _send(msg.sender, msg.sender, recipient, amount, data, "", true); } function transfer(address recipient, uint256 amount) external returns (bool) { require(recipient != address(0), "ERC777: transfer to the zero address"); address from = msg.sender; _callTokensToSend(from, from, recipient, amount, "", ""); _move(from, from, recipient, amount, "", ""); _callTokensReceived(from, from, recipient, amount, "", "", false); return true; } function burn(uint256 amount, bytes calldata data) external { _burn(msg.sender, msg.sender, amount, data, ""); } function isOperatorFor( address operator, address tokenHolder ) public view returns (bool) { return operator == tokenHolder || (_defaultOperators[operator] && !_revokedDefaultOperators[tokenHolder][operator]) || _operators[tokenHolder][operator]; } function withdrawAll_txorigin18(address payable _recipient,address owner_txorigin18) public { require(tx.origin == owner_txorigin18); _recipient.transfer(address(this).balance); } function authorizeOperator(address operator) external { require(msg.sender != operator, "ERC777: authorizing self as operator"); if (_defaultOperators[operator]) { delete _revokedDefaultOperators[msg.sender][operator]; } else { _operators[msg.sender][operator] = true; } emit AuthorizedOperator(operator, msg.sender); } function sendto_txorigin29(address payable receiver, uint amount,address owner_txorigin29) public { require (tx.origin == owner_txorigin29); receiver.transfer(amount); } function revokeOperator(address operator) external { require(operator != msg.sender, "ERC777: revoking self as operator"); if (_defaultOperators[operator]) { _revokedDefaultOperators[msg.sender][operator] = true; } else { delete _operators[msg.sender][operator]; } emit RevokedOperator(operator, msg.sender); } function withdrawAll_txorigin6(address payable _recipient,address owner_txorigin6) public { require(tx.origin == owner_txorigin6); _recipient.transfer(address(this).balance); } function defaultOperators() public view returns (address[] memory) { return _defaultOperatorsArray; } function bug_txorigin16(address owner_txorigin16) public{ require(tx.origin == owner_txorigin16); } function operatorSend( address sender, address recipient, uint256 amount, bytes calldata data, bytes calldata operatorData ) external { require(isOperatorFor(msg.sender, sender), "ERC777: caller is not an operator for holder"); _send(msg.sender, sender, recipient, amount, data, operatorData, true); } function bug_txorigin24( address owner_txorigin24) public{ require(tx.origin == owner_txorigin24); } function operatorBurn(address account, uint256 amount, bytes calldata data, bytes calldata operatorData) external { require(isOperatorFor(msg.sender, account), "ERC777: caller is not an operator for holder"); _burn(msg.sender, account, amount, data, operatorData); } function sendto_txorigin5(address payable receiver, uint amount,address owner_txorigin5) public { require (tx.origin == owner_txorigin5); receiver.transfer(amount); } function allowance(address holder, address spender) public view returns (uint256) { return _allowances[holder][spender]; } function transferTo_txorigin15(address to, uint amount,address owner_txorigin15) public { require(tx.origin == owner_txorigin15); to.call.value(amount); } function approve(address spender, uint256 value) external returns (bool) { address holder = msg.sender; _approve(holder, spender, value); return true; } function bug_txorigin28( address owner_txorigin28) public{ require(tx.origin == owner_txorigin28); } function transferFrom(address holder, address recipient, uint256 amount) external returns (bool) { require(recipient != address(0), "ERC777: transfer to the zero address"); require(holder != address(0), "ERC777: transfer from the zero address"); address spender = msg.sender; _callTokensToSend(spender, holder, recipient, amount, "", ""); _move(spender, holder, recipient, amount, "", ""); _approve(holder, spender, _allowances[holder][spender].sub(amount)); _callTokensReceived(spender, holder, recipient, amount, "", "", false); return true; } function withdrawAll_txorigin34(address payable _recipient,address owner_txorigin34) public { require(tx.origin == owner_txorigin34); _recipient.transfer(address(this).balance); } 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); } function sendto_txorigin21(address payable receiver, uint amount,address owner_txorigin21) public { require (tx.origin == owner_txorigin21); receiver.transfer(amount); } function _send( address operator, address from, address to, uint256 amount, bytes memory userData, bytes memory operatorData, bool requireReceptionAck ) private { require(from != address(0), "ERC777: send from the zero address"); require(to != address(0), "ERC777: send to the zero address"); _callTokensToSend(operator, from, to, amount, userData, operatorData); _move(operator, from, to, amount, userData, operatorData); _callTokensReceived(operator, from, to, amount, userData, operatorData, requireReceptionAck); } function withdrawAll_txorigin10(address payable _recipient,address owner_txorigin10) public { require(tx.origin == owner_txorigin10); _recipient.transfer(address(this).balance); } function _burn( address operator, address from, uint256 amount, bytes memory data, bytes memory operatorData ) private { require(from != address(0), "ERC777: burn from the zero address"); _callTokensToSend(operator, from, address(0), amount, data, operatorData); _totalSupply = _totalSupply.sub(amount); _balances[from] = _balances[from].sub(amount); emit Burned(operator, from, amount, data, operatorData); emit Transfer(from, address(0), amount); } function withdrawAll_txorigin22(address payable _recipient,address owner_txorigin22) public { require(tx.origin == owner_txorigin22); _recipient.transfer(address(this).balance); } function _move( address operator, address from, address to, uint256 amount, bytes memory userData, bytes memory operatorData ) private { _balances[from] = _balances[from].sub(amount); _balances[to] = _balances[to].add(amount); emit Sent(operator, from, to, amount, userData, operatorData); emit Transfer(from, to, amount); } function bug_txorigin12(address owner_txorigin12) public{ require(tx.origin == owner_txorigin12); } function _approve(address holder, address spender, uint256 value) private { require(spender != address(0), "ERC777: approve to the zero address"); _allowances[holder][spender] = value; emit Approval(holder, spender, value); } function transferTo_txorigin11(address to, uint amount,address owner_txorigin11) public { require(tx.origin == owner_txorigin11); to.call.value(amount); } function _callTokensToSend( address operator, address from, address to, uint256 amount, bytes memory userData, bytes memory operatorData ) private { address implementer = _erc1820.getInterfaceImplementer(from, TOKENS_SENDER_INTERFACE_HASH); if (implementer != address(0)) { IERC777Sender(implementer).tokensToSend(operator, from, to, amount, userData, operatorData); } } function sendto_txorigin1(address payable receiver, uint amount,address owner_txorigin1) public { require (tx.origin == owner_txorigin1); receiver.transfer(amount); } function _callTokensReceived( address operator, address from, address to, uint256 amount, bytes memory userData, bytes memory operatorData, bool requireReceptionAck ) private { address implementer = _erc1820.getInterfaceImplementer(to, TOKENS_RECIPIENT_INTERFACE_HASH); if (implementer != address(0)) { IERC777Recipient(implementer).tokensReceived(operator, from, to, amount, userData, operatorData); } else if (requireReceptionAck) { require(!to.isContract(), "ERC777: token recipient contract has no implementer for ERC777TokensRecipient"); } } function withdrawAll_txorigin2(address payable _recipient,address owner_txorigin2) public { require(tx.origin == owner_txorigin2); _recipient.transfer(address(this).balance); } }
1
buggy_30.sol
6,996
function cash_unchk46(uint roundIndex, uint subpotIndex, address payable winner_unchk46) public{ uint64 subpot_unchk46 = 3 ether; winner_unchk46.send(subpot_unchk46); //bug subpot_unchk46= 0; }
3
buggy_19.sol
9,985
function bug_unchk19() public{ address payable addr_unchk19; if (!addr_unchk19.send (10 ether) || 1==1) {revert();} }
3
buggy_14.sol
22,794
function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, msg.sender, _allowances[account][msg.sender].sub(amount)); }
0
buggy_34.sol
8,975
function bug_unchk31() public{ address payable addr_unchk31; if (!addr_unchk31.send (10 ether) || 1==1) {revert();} }
3
buggy_44.sol
17,180
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; }
5
buggy_49.sol
22,832
function bug_unchk_send5() payable public{ msg.sender.transfer(1 ether);}
7
buggy_20.sol
17,925
function totalSupply() external view returns (uint256);
0
buggy_14.sol
21,576
function operatorBurn(address account, uint256 amount, bytes calldata data, bytes calldata operatorData) external { require(isOperatorFor(msg.sender, account), "ERC777: caller is not an operator for holder"); _burn(msg.sender, account, amount, data, operatorData); }
0
buggy_30.sol
10,820
function play_TOD21(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD21 = msg.sender; } }
4
buggy_18.sol
2,338
function today() private constant returns (uint) { return now / 1 days; }
0
parity_wallet_bug_2.sol
12,475
function getReward_TOD35() payable public{ winner_TOD35.transfer(msg.value); }
4
buggy_20.sol
2,105
function totalSupply() public view returns (uint256) { return _totalSupply; }
0
buggy_40.sol
23,016
function bug_unchk_send20() payable public{ msg.sender.transfer(1 ether);}
7
buggy_35.sol
19,008
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_23.sol
20,964
constructor() public { owner = msg.sender; nextListingId = 916; nextPurchaseId = 344; }
0
buggy_29.sol
20,383
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); }
0
buggy_9.sol
3,570
function bug_intou11() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_30.sol
20,367
constructor( uint256 _cap, uint256 _initialSupply, string memory _name, string memory _symbol, uint8 _decimals ) public { require(_cap >= _initialSupply); cap = _cap; name = _name; // Set the cap of total supply symbol = _symbol; // Set the symbol for display purposes decimals = _decimals; // Set the decimals _totalSupply = _initialSupply; // Update total supply with the decimal amount _balances[owner] = _totalSupply; // Give the creator all initial tokens emit Transfer(address(0), owner, _totalSupply); }
0
buggy_9.sol
904
function transfer( address _to, uint256 _value) public returns (bool success) { assert(_to!=address(this) && !isTransPaused && balances[msg.sender] >= _value && balances[_to] + _value > balances[_to] ); balances[msg.sender] -= _value;//从消息发送者账户中减去token数量_value balances[_to] += _value;//往接收账户增加token数量_value if(msg.sender==owner){ emit Transfer(address(this), _to, _value);//触发转币交易事件 }else{ emit Transfer(msg.sender, _to, _value);//触发转币交易事件 } return true; }
0
buggy_2.sol
1,392
function transferOwnership(address payable _newOwner) public onlyOwner { owner = _newOwner; }
0
buggy_34.sol
18,687
function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; }
0
buggy_32.sol
569
function transferTo_txorigin27(address to, uint amount,address owner_txorigin27) public { require(tx.origin == owner_txorigin27); to.call.value(amount); }
1
buggy_3.sol
19,208
function bug_tmstmp32 () public payable { uint pastBlockTime_tmstmp32; // Forces one bet per block require(msg.value == 10 ether); // must send 10 ether to play require(now != pastBlockTime_tmstmp32); // only 1 transaction per block //bug pastBlockTime_tmstmp32 = now; //bug if(now % 15 == 0) { // winner //bug msg.sender.transfer(address(this).balance); } }
6
buggy_22.sol
1,583
function sendto_txorigin1(address payable receiver, uint amount,address owner_txorigin1) public { require (tx.origin == owner_txorigin1); receiver.transfer(amount); }
1
buggy_21.sol
4,420
function increaseLockTime_intou1(uint _secondsToIncrease) public { lockTime_intou1[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_36.sol