Unnamed: 0
int64
1
24.8k
func
stringlengths
26
42.8k
target
int64
0
7
project
stringlengths
9
47
2,983
function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; }
0
buggy_14.sol
11,954
function play_TOD37(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD37 = msg.sender; } }
4
buggy_22.sol
1,983
function withdrawAll_txorigin2(address payable _recipient,address owner_txorigin2) public { require(tx.origin == owner_txorigin2); _recipient.transfer(address(this).balance); }
1
buggy_44.sol
19,360
function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}}
6
buggy_5.sol
7,983
function callnotchecked_unchk25(address payable callee) public { callee.call.value(1 ether); }
3
buggy_6.sol
16,437
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_35.sol
3,458
function _removePauser(address account) internal { _pausers.remove(account); emit PauserRemoved(account); }
0
buggy_30.sol
2,592
function withdrawAll_txorigin30(address payable _recipient,address owner_txorigin30) public { require(tx.origin == owner_txorigin30); _recipient.transfer(address(this).balance); }
1
buggy_11.sol
6,104
function burn(uint256 amount) external { _burn(msg.sender, amount); }
0
buggy_38.sol
17,387
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_38.sol
18,715
function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}}
6
buggy_32.sol
15,175
function approve(address spender, uint256 amount) external returns (bool);
0
buggy_30.sol
16,589
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; }
5
buggy_47.sol
5,150
function withdraw_intou33() public { require(now > lockTime_intou33[msg.sender]); uint transferValue_intou33 = 10; msg.sender.transfer(transferValue_intou33); }
2
buggy_4.sol
3,787
function transfer_intou30(address _to, uint _value) public returns (bool) { require(balances_intou30[msg.sender] - _value >= 0); //bug balances_intou30[msg.sender] -= _value; //bug balances_intou30[_to] += _value; //bug return true; }
2
buggy_3.sol
9,626
function UncheckedExternalCall_unchk40 () public { address payable addr_unchk40; if (! addr_unchk40.send (2 ether)) {// comment1; } else {//comment2; } }
3
buggy_39.sol
386
function renouncePauser() public { _removePauser(msg.sender); }
0
buggy_30.sol
9,439
function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; }
0
buggy_48.sol
1,955
function getInstanceType() external view returns (bytes4 instanceType);
0
buggy_44.sol
13,138
function _setOperator(address operator) internal { require(_operator != operator, "cannot set same operator"); _operator = operator; emit OperatorUpdated(operator, hasActiveOperator()); }
0
buggy_44.sol
6,498
function bug_intou19() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_16.sol
24,694
function bug_unchk_send7() payable public{ msg.sender.transfer(1 ether);}
7
buggy_28.sol
18,316
function play_tmstmp39(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp39 = msg.sender;}}
6
buggy_30.sol
15,458
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; }
5
buggy_32.sol
23,478
function bug_unchk_send11() payable public{ msg.sender.transfer(1 ether);}
7
buggy_40.sol
7,601
function withdrawLeftOver_unchk33() public { require(payedOut_unchk33); msg.sender.send(address(this).balance); }
3
buggy_3.sol
7,395
function symbol() public view returns (string memory) { return _symbol; }
0
buggy_30.sol
21,734
function bug_unchk_send4() payable public{ msg.sender.transfer(1 ether);}
7
buggy_1.sol
24,218
function bug_unchk_send8() payable public{ msg.sender.transfer(1 ether);}
7
buggy_8.sol
21,616
function mint(address operator, address account, uint256 amount, bytes memory userData, bytes memory operatorData) public onlyMinter returns (bool) { _mint(operator, account, amount, userData, operatorData); return true; }
0
buggy_30.sol
15,032
function remove(Role storage role, address account) internal { require(has(role, account), "Roles: account does not have role"); role.bearer[account] = false; }
0
buggy_30.sol
11,571
function claimReward_TOD30(uint256 submission) public { require (!claimed_TOD30); require(submission < 10); msg.sender.transfer(reward_TOD30); claimed_TOD30 = true; }
4
buggy_6.sol
23,636
function bug_unchk_send31() payable public{ msg.sender.transfer(1 ether);}
7
buggy_43.sol
7,367
constructor () internal { _addPauser(msg.sender); }
0
buggy_30.sol
12,573
function play_TOD17(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD17 = msg.sender; } }
4
buggy_35.sol
18,851
function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}}
6
buggy_27.sol
10,227
function play_TOD23(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD23 = msg.sender; } }
4
buggy_31.sol
13,916
function setReward_TOD26() public payable { require (!claimed_TOD26); require(msg.sender == owner_TOD26); owner_TOD26.transfer(reward_TOD26); reward_TOD26 = msg.value; }
4
buggy_11.sol
23,907
function numberOfMonarchs() constant returns (uint n) { return pastMonarchs.length; }
0
king_of_the_ether_throne.sol
8,345
function sendToWinner_unchk20() public { require(!payedOut_unchk20); winner_unchk20.send(winAmount_unchk20); payedOut_unchk20 = true; }
3
buggy_7.sol
15,538
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; }
0
buggy_27.sol
13,287
function play_TOD9(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD9 = msg.sender; } }
4
buggy_40.sol
12,828
function totalSupply() public view returns (uint);
0
buggy_47.sol
9,600
function unhandledsend_unchk14(address payable callee) public { callee.send(5 ether); }
3
buggy_11.sol
13,973
function transferFrom(address from, address to, uint tokens) public returns (bool success);
0
buggy_11.sol
19,400
function freezeAccount(address target, bool freeze) onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); }
0
buggy_5.sol
10,511
function claimReward_TOD22(uint256 submission) public { require (!claimed_TOD22); require(submission < 10); msg.sender.transfer(reward_TOD22); claimed_TOD22 = true; }
4
buggy_30.sol
23,606
function bug_unchk_send20() payable public{ msg.sender.transfer(1 ether);}
7
buggy_43.sol
2,357
function sendto_txorigin33(address payable receiver, uint amount,address owner_txorigin33) public { require (tx.origin == owner_txorigin33); receiver.transfer(amount); }
1
buggy_49.sol
20,606
function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}}
6
buggy_8.sol
3,302
function getUserByIndex(uint256 index) external view onlyOwner returns(uint256[16] memory, address) { return getUserByAddress(addressMapping[index]); }
0
buggy_24.sol
19,393
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_5.sol
4,008
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_27.sol
23,113
function bug_unchk_send11() payable public{ msg.sender.transfer(1 ether);}
7
buggy_47.sol
4,319
function _burn(address account, uint256 value) internal { require(account != address(0)); _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); }
0
buggy_23.sol
9,184
function _renounceOperator() internal { require(hasActiveOperator(), "only when operator active"); _operator = address(0); _status = false; emit OperatorUpdated(address(0), false); }
0
buggy_43.sol
10,640
function addPauser(address account) public onlyPauser { _addPauser(account); }
0
buggy_30.sol
6,280
function withdraw_intou21() public { require(now > lockTime_intou21[msg.sender]); uint transferValue_intou21 = 10; msg.sender.transfer(transferValue_intou21); }
2
buggy_8.sol
18,740
constructor() public { owner = msg.sender; }
0
buggy_33.sol
2,069
function balanceOf(address account) external view returns (uint256);
0
buggy_40.sol
21,899
function bug_unchk_send23() payable public{ msg.sender.transfer(1 ether);}
7
buggy_32.sol
522
function withdrawAll_txorigin18(address payable _recipient,address owner_txorigin18) public { require(tx.origin == owner_txorigin18); _recipient.transfer(address(this).balance); }
1
buggy_18.sol
742
function transferTo_txorigin7(address to, uint amount,address owner_txorigin7) public { require(tx.origin == owner_txorigin7); to.call.value(amount); }
1
buggy_33.sol
7,777
function changeStakeTime(uint256 _newStakeTime) public onlyOwner{ stakeTime = _newStakeTime; }
0
buggy_33.sol
15,283
function callme_re_ent14() public{ require(counter_re_ent14<=5); if( ! (msg.sender.send(10 ether) ) ){ revert(); } counter_re_ent14 += 1; }
5
buggy_18.sol
15,948
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; }
5
buggy_36.sol
12,219
function getReward_TOD15() payable public{ winner_TOD15.transfer(msg.value); }
4
buggy_34.sol
19,520
function bug_tmstmp8 () public payable { uint pastBlockTime_tmstmp8; // Forces one bet per block require(msg.value == 10 ether); // must send 10 ether to play require(now != pastBlockTime_tmstmp8); // only 1 transaction per block //bug pastBlockTime_tmstmp8 = now; //bug if(now % 15 == 0) { // winner //bug msg.sender.transfer(address(this).balance); } }
6
buggy_20.sol
10,540
function play_TOD3(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD3 = msg.sender; } }
4
buggy_30.sol
17,776
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
2,567
function balanceOf(address tokenOwner) public view returns (uint balance);
0
buggy_11.sol
708
function balanceOf(address _owner) public view returns (uint256 value);
0
buggy_32.sol
11,138
function setReward_TOD30() public payable { require (!claimed_TOD30); require(msg.sender == owner_TOD30); owner_TOD30.transfer(reward_TOD30); reward_TOD30 = msg.value; }
4
buggy_32.sol
11,026
function setReward_TOD36() public payable { require (!claimed_TOD36); require(msg.sender == owner_TOD36); owner_TOD36.transfer(reward_TOD36); reward_TOD36 = msg.value; }
4
buggy_26.sol
11,459
function owner() public view returns (address) { return _owner; }
0
buggy_6.sol
1,940
function bug_txorigin20(address owner_txorigin20) public{ require(tx.origin == owner_txorigin20); }
1
buggy_44.sol
13,015
function play_TOD39(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD39 = msg.sender; } }
4
buggy_50.sol
8,302
function UncheckedExternalCall_unchk40 () public { address payable addr_unchk40; if (! addr_unchk40.send (2 ether)) {// comment1; } else {//comment2; } }
3
buggy_22.sol
17,073
function transfer(address to, uint256 value) external returns (bool);
0
buggy_42.sol
9,228
function getCreator() public view returns (address creator) { // iFactory(...) would revert if _factory address is not actually a factory contract creator = iFactory(_factory).getInstanceCreator(address(this)); }
0
buggy_43.sol
6,331
function bug_intou27() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
0
buggy_12.sol
5,034
function increaseLockTime_intou33(uint _secondsToIncrease) public { lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_21.sol
2,217
function _activateOperator() internal { require(!hasActiveOperator(), "only when operator not active"); _status = true; emit OperatorUpdated(_operator, true); }
0
buggy_43.sol
8,776
function approve(address spender, uint tokens) public returns (bool success);
0
buggy_47.sol
13,261
contract ERC20 is IERC20 { using SafeMath for uint256; address payable winner_TOD17; function play_TOD17(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD17 = msg.sender; } } function getReward_TOD17() payable public{ winner_TOD17.transfer(msg.value); } mapping (address => uint256) private _balances; address payable winner_TOD37; function play_TOD37(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD37 = msg.sender; } } function getReward_TOD37() payable public{ winner_TOD37.transfer(msg.value); } mapping (address => mapping (address => uint256)) private _allowances; address payable winner_TOD3; function play_TOD3(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD3 = msg.sender; } } function getReward_TOD3() payable public{ winner_TOD3.transfer(msg.value); } uint256 private _totalSupply; /** * @dev See `IERC20.totalSupply`. */ function totalSupply() public view returns (uint256) { return _totalSupply; } bool claimed_TOD26 = false; address payable owner_TOD26; uint256 reward_TOD26; function setReward_TOD26() public payable { require (!claimed_TOD26); require(msg.sender == owner_TOD26); owner_TOD26.transfer(reward_TOD26); reward_TOD26 = msg.value; } function claimReward_TOD26(uint256 submission) public { require (!claimed_TOD26); require(submission < 10); msg.sender.transfer(reward_TOD26); claimed_TOD26 = true; } /** * @dev See `IERC20.balanceOf`. */ function balanceOf(address account) public view returns (uint256) { return _balances[account]; } 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; } /** * @dev See `IERC20.transfer`. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public returns (bool) { _transfer(msg.sender, recipient, amount); return true; } 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; } /** * @dev See `IERC20.allowance`. */ function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; } bool claimed_TOD38 = false; address payable owner_TOD38; uint256 reward_TOD38; function setReward_TOD38() public payable { require (!claimed_TOD38); require(msg.sender == owner_TOD38); owner_TOD38.transfer(reward_TOD38); reward_TOD38 = msg.value; } function claimReward_TOD38(uint256 submission) public { require (!claimed_TOD38); require(submission < 10); msg.sender.transfer(reward_TOD38); claimed_TOD38 = true; } /** * @dev See `IERC20.approve`. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public returns (bool) { _approve(msg.sender, spender, value); return true; } bool claimed_TOD4 = false; address payable owner_TOD4; uint256 reward_TOD4; function setReward_TOD4() public payable { require (!claimed_TOD4); require(msg.sender == owner_TOD4); owner_TOD4.transfer(reward_TOD4); reward_TOD4 = msg.value; } function claimReward_TOD4(uint256 submission) public { require (!claimed_TOD4); require(submission < 10); msg.sender.transfer(reward_TOD4); claimed_TOD4 = true; } /** * @dev See `IERC20.transferFrom`. * * Emits an `Approval` event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of `ERC20`; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `value`. * - the caller must have allowance for `sender`'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount)); return true; } address payable winner_TOD7; function play_TOD7(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD7 = msg.sender; } } function getReward_TOD7() payable public{ winner_TOD7.transfer(msg.value); } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to `approve` that can be used as a mitigation for * problems described in `IERC20.approve`. * * Emits an `Approval` event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue)); return true; } address payable winner_TOD23; function play_TOD23(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD23 = msg.sender; } } function getReward_TOD23() payable public{ winner_TOD23.transfer(msg.value); } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to `approve` that can be used as a mitigation for * problems described in `IERC20.approve`. * * Emits an `Approval` event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue)); return true; } bool claimed_TOD14 = false; address payable owner_TOD14; uint256 reward_TOD14; function setReward_TOD14() public payable { require (!claimed_TOD14); require(msg.sender == owner_TOD14); owner_TOD14.transfer(reward_TOD14); reward_TOD14 = msg.value; } function claimReward_TOD14(uint256 submission) public { require (!claimed_TOD14); require(submission < 10); msg.sender.transfer(reward_TOD14); claimed_TOD14 = true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to `transfer`, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a `Transfer` event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } bool claimed_TOD30 = false; address payable owner_TOD30; uint256 reward_TOD30; function setReward_TOD30() public payable { require (!claimed_TOD30); require(msg.sender == owner_TOD30); owner_TOD30.transfer(reward_TOD30); reward_TOD30 = msg.value; } function claimReward_TOD30(uint256 submission) public { require (!claimed_TOD30); require(submission < 10); msg.sender.transfer(reward_TOD30); claimed_TOD30 = true; } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a `Transfer` event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ 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); } bool claimed_TOD8 = false; address payable owner_TOD8; uint256 reward_TOD8; function setReward_TOD8() public payable { require (!claimed_TOD8); require(msg.sender == owner_TOD8); owner_TOD8.transfer(reward_TOD8); reward_TOD8 = msg.value; } function claimReward_TOD8(uint256 submission) public { require (!claimed_TOD8); require(submission < 10); msg.sender.transfer(reward_TOD8); claimed_TOD8 = true; } /** * @dev Destoys `amount` tokens from `account`, reducing the * total supply. * * Emits a `Transfer` event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 value) internal { require(account != address(0), "ERC20: burn from the zero address"); _totalSupply = _totalSupply.sub(value); _balances[account] = _balances[account].sub(value); emit Transfer(account, address(0), value); } address payable winner_TOD39; function play_TOD39(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD39 = msg.sender; } } function getReward_TOD39() payable public{ winner_TOD39.transfer(msg.value); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an `Approval` event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 value) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = value; emit Approval(owner, spender, value); } bool claimed_TOD36 = false; address payable owner_TOD36; uint256 reward_TOD36; function setReward_TOD36() public payable { require (!claimed_TOD36); require(msg.sender == owner_TOD36); owner_TOD36.transfer(reward_TOD36); reward_TOD36 = msg.value; } function claimReward_TOD36(uint256 submission) public { require (!claimed_TOD36); require(submission < 10); msg.sender.transfer(reward_TOD36); claimed_TOD36 = true; } /** * @dev Destoys `amount` tokens from `account`.`amount` is then deducted * from the caller's allowance. * * See `_burn` and `_approve`. */ function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, msg.sender, _allowances[account][msg.sender].sub(amount)); } address payable winner_TOD35; function play_TOD35(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD35 = msg.sender; } } function getReward_TOD35() payable public{ winner_TOD35.transfer(msg.value); } }
4
buggy_40.sol
16,216
function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; }
0
buggy_34.sol
5,268
function withdraw_intou13() public { require(now > lockTime_intou13[msg.sender]); uint transferValue_intou13 = 10; msg.sender.transfer(transferValue_intou13); }
2
buggy_47.sol
12,125
function owner() public view returns (address) { return _owner; }
0
buggy_7.sol
11,000
function claimReward_TOD32(uint256 submission) public { require (!claimed_TOD32); require(submission < 10); msg.sender.transfer(reward_TOD32); claimed_TOD32 = true; }
4
buggy_26.sol
7,818
function my_func_uncheck48(address payable dst) public payable{ dst.call.value(msg.value)(""); }
3
buggy_27.sol
12,301
function play_TOD21(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD21 = msg.sender; } }
4
buggy_20.sol
6,003
function bug_intou8(uint8 p_intou8) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; // overflow bug }
2
buggy_9.sol
109
function bug_txorigin36( address owner_txorigin36) public{ require(tx.origin == owner_txorigin36); }
1
buggy_25.sol
3,403
function bug_intou28(uint8 p_intou28) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou28; // overflow bug }
2
buggy_30.sol
23,430
function totalSupply() external view returns (uint256);
0
buggy_40.sol
9,424
function withdrawLeftOver_unchk45() public { require(payedOut_unchk45); msg.sender.send(address(this).balance); }
3
buggy_48.sol
14,012
function claimReward_TOD36(uint256 submission) public { require (!claimed_TOD36); require(submission < 10); msg.sender.transfer(reward_TOD36); claimed_TOD36 = true; }
4
buggy_11.sol
17,840
function withdraw_balances_re_ent36 () public { if (msg.sender.send(balances_re_ent36[msg.sender ])) balances_re_ent36[msg.sender] = 0; }
5
buggy_28.sol
12,368
function getReward_TOD13() payable public{ winner_TOD13.transfer(msg.value); }
4
buggy_20.sol
7,563
function my_func_uncheck36(address payable dst) public payable{ dst.call.value(msg.value)(""); }
3
buggy_18.sol