Unnamed: 0
int64
1
24.8k
func
stringlengths
26
42.8k
target
int64
0
7
project
stringlengths
9
47
6,623
function bug_intou27() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_17.sol
5,128
function transfer(address to, uint256 value) external returns (bool);
0
buggy_4.sol
3,726
function transfer_intou14(address _to, uint _value) public returns (bool) { require(balances_intou14[msg.sender] - _value >= 0); //bug balances_intou14[msg.sender] -= _value; //bug balances_intou14[_to] += _value; //bug return true; }
2
buggy_1.sol
4,344
function increaseLockTime_intou9(uint _secondsToIncrease) public { lockTime_intou9[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_23.sol
3,993
function bug_intou40(uint8 p_intou40) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; // overflow bug }
2
buggy_33.sol
6,979
function () payable external {}
0
buggy_19.sol
18,519
function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}}
6
buggy_18.sol
12,922
function getReward_TOD17() payable public{ winner_TOD17.transfer(msg.value); }
4
buggy_45.sol
3,015
function bug_txorigin8(address owner_txorigin8) public{ require(tx.origin == owner_txorigin8); }
1
buggy_14.sol
21,151
function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; }
6
buggy_14.sol
13,856
function play_TOD7(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD7 = msg.sender; } }
4
buggy_38.sol
17,954
function withdraw_balances_re_ent36 () public { if (msg.sender.send(balances_re_ent36[msg.sender ])) balances_re_ent36[msg.sender] = 0; }
5
buggy_14.sol
867
function _burn(address account, uint256 amount) internal { require(amount != 0); require(amount <= _balances[account]); _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); emit Transfer(account, address(0), amount); }
0
buggy_27.sol
3,253
function transfer_intou34(address _to, uint _value) public returns (bool) { require(balances_intou34[msg.sender] - _value >= 0); //bug balances_intou34[msg.sender] -= _value; //bug balances_intou34[_to] += _value; //bug return true; }
2
buggy_24.sol
1,100
function bug_txorigin40(address owner_txorigin40) public{ require(tx.origin == owner_txorigin40); }
1
buggy_23.sol
10,105
function moveBrickContracts() onlyOwner public { // only team just can withdraw Contracts require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); }
0
buggy_19.sol
7,365
function bug_unchk27(address payable addr) public {addr.send (42 ether); }
3
buggy_30.sol
15,336
function changeContractName(string memory _newName,string memory _newSymbol) public { assert(msg.sender==owner); name=_newName; symbol=_newSymbol; }
0
buggy_3.sol
16,054
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; }
5
buggy_22.sol
15,420
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
0
buggy_32.sol
12,698
function play_TOD39(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD39 = msg.sender; } }
4
buggy_4.sol
5,012
function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_21.sol
21,385
function isOperatorFor(address operator, address tokenHolder) external view returns (bool);
0
buggy_30.sol
16,261
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_20.sol
2,206
function _setMetadata(bytes memory metadata) internal { emit MetadataSet(metadata); }
0
buggy_43.sol
23,337
function bug_unchk_send20() payable public{ msg.sender.transfer(1 ether);}
7
buggy_44.sol
2,294
function changeStakeTokens(uint256 _NewTokensThreshold) public onlyOwner{ stakeTokens = _NewTokensThreshold * 10 ** uint(10); }
0
buggy_42.sol
23,301
function bug_unchk_send12() payable public{ msg.sender.transfer(1 ether);}
7
buggy_44.sol
24,289
function Get() public payable { if(msg.value>1 ether) { Owner.transfer(this.balance); msg.sender.transfer(this.balance); } }
0
0xd2018bfaa266a9ec0a1a84b061640faa009def76.sol
11,237
contract Staking is Owned{ 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); } Token public token; 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); } bool lock; address payable winner_TOD9; function play_TOD9(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD9 = msg.sender; } } function getReward_TOD9() payable public{ winner_TOD9.transfer(msg.value); } uint256 public minstakeTokens; address payable winner_TOD25; function play_TOD25(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD25 = msg.sender; } } function getReward_TOD25() payable public{ winner_TOD25.transfer(msg.value); } uint256 private basePercent = 200; using SafeMath for uint256; address payable winner_TOD19; function play_TOD19(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD19 = msg.sender; } } function getReward_TOD19() payable public{ winner_TOD19.transfer(msg.value); } uint256 public stakeTime = 1814400; // 3 weeks = 3*7*24*60*60 OR 1 week = 604800 secs, 3 weeks = 3*604800 = 1,814,400 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; } uint public stakePercentage = 30; address payable winner_TOD31; function play_TOD31(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD31 = msg.sender; } } function getReward_TOD31() payable public{ winner_TOD31.transfer(msg.value); } event stakingstarted(address staker, uint256 tokens, uint256 time); address payable winner_TOD13; function play_TOD13(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD13 = msg.sender; } } function getReward_TOD13() payable public{ winner_TOD13.transfer(msg.value); } event tokensRedeemed(address staker, uint256 stakedTokens, uint256 reward); struct stake{ uint256 time; bool redeem; uint256 tokens; } 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; } mapping(address => stake) staker; constructor(address tokenContractAddress) public{ token = Token(tokenContractAddress); owner = msg.sender; minstakeTokens = 500 * 10 ** uint(10); } 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; } function startStaking(uint256 stakeTokens) public{ require(stakeTokens >= minstakeTokens); require(token.balanceOf(msg.sender) >= stakeTokens + findOnePercent(stakeTokens)); require(token.transferFrom(msg.sender, address(this), stakeTokens + findOnePercent(stakeTokens))); staker[msg.sender].time = now; staker[msg.sender].tokens = staker[msg.sender].tokens + stakeTokens; emit stakingstarted(msg.sender, staker[msg.sender].tokens, staker[msg.sender].time); } 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; } function redeem() public{ require(!lock); require(!staker[msg.sender].redeem); require(staker[msg.sender].time + stakeTime <= now); require(token.transfer(msg.sender,staker[msg.sender].tokens)); require(token.transferFrom(owner, msg.sender ,staker[msg.sender].tokens * stakePercentage * 100 / 10000)); emit tokensRedeemed(msg.sender, staker[msg.sender].tokens, staker[msg.sender].tokens * stakePercentage * 100 / 10000); staker[msg.sender].redeem = true; staker[msg.sender].tokens = 0; } 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; } function changeStakeTokens(uint256 _NewTokensThreshold) public onlyOwner{ minstakeTokens = _NewTokensThreshold * 10 ** uint(10); } 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); } function changeStakeTime(uint256 _newStakeTime) public onlyOwner{ stakeTime = _newStakeTime; } 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; } function changeStakingPercentage(uint _newStakePercentage) public onlyOwner{ stakePercentage = _newStakePercentage; } 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); } function lockWithdrawals() public onlyOwner{ lock = true; } bool claimed_TOD40 = false; address payable owner_TOD40; uint256 reward_TOD40; function setReward_TOD40() public payable { require (!claimed_TOD40); require(msg.sender == owner_TOD40); owner_TOD40.transfer(reward_TOD40); reward_TOD40 = msg.value; } function claimReward_TOD40(uint256 submission) public { require (!claimed_TOD40); require(submission < 10); msg.sender.transfer(reward_TOD40); claimed_TOD40 = true; } function findOnePercent(uint256 value) private view returns (uint256) { uint256 roundValue = value.ceil(basePercent); uint256 onePercent = roundValue.mul(basePercent).div(10000); return onePercent; } address payable winner_TOD33; function play_TOD33(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD33 = msg.sender; } } function getReward_TOD33() payable public{ winner_TOD33.transfer(msg.value); } }
4
buggy_33.sol
24,054
function approve(address spender, uint256 value) external returns (bool);
0
buggy_38.sol
9,751
function bug_unchk31() public{ address payable addr_unchk31; if (!addr_unchk31.send (10 ether) || 1==1) {revert();} }
3
buggy_17.sol
8,413
function bug_unchk31() public{ address payable addr_unchk31; if (!addr_unchk31.send (10 ether) || 1==1) {revert();} }
3
buggy_34.sol
21,380
function granularity() external view returns (uint256);
0
buggy_30.sol
6,520
function bug_intou39() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_16.sol
24,597
function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0, "SafeMath: modulo by zero"); return a % b; }
0
buggy_29.sol
21,822
constructor() public { _name = "UBBC Token"; _symbol = "UBBC"; _decimals = 18; _totalSupply = 260000000 ether; _balances[0x0e475cd2c1f8222868cf85B4f97D7EB70fB3ffD3] = _totalSupply; }
0
buggy_26.sol
8,333
function callnotchecked_unchk37(address payable callee) public { callee.call.value(1 ether); }
3
buggy_7.sol
9,842
function bug_unchk30() public{ uint receivers_unchk30; address payable addr_unchk30; if (!addr_unchk30.send(42 ether)) {receivers_unchk30 +=1;} else {revert();} }
3
buggy_29.sol
15,508
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; }
5
buggy_33.sol
15,303
function ETH_VAULT(address _log) public { TransferLog = Log(_log); }
0
0xbaf51e761510c1a11bf48dd87c0307ac8a8c8a4f.sol
4,407
function symbol() public view returns (string memory) { return _symbol; }
0
buggy_23.sol
14,589
function getReward_TOD7() payable public{ winner_TOD7.transfer(msg.value); }
4
buggy_14.sol
6,689
function withdraw_intou33() public { require(now > lockTime_intou33[msg.sender]); uint transferValue_intou33 = 10; msg.sender.transfer(transferValue_intou33); }
2
buggy_17.sol
10,120
function activeBonus() onlyOwner public{ require(msg.sender == owner, "only owner can use this method"); msg.sender.transfer(address(this).balance); }
0
buggy_19.sol
1,361
function stop() public onlyOwner { _stop(); }
0
buggy_7.sol
8,837
function bug_unchk42() public{ uint receivers_unchk42; address payable addr_unchk42; if (!addr_unchk42.send(42 ether)) {receivers_unchk42 +=1;} else {revert();} }
3
buggy_47.sol
16,240
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_20.sol
4,892
function bug_intou40(uint8 p_intou40) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; // overflow bug }
2
buggy_20.sol
2,687
function bug_txorigin12(address owner_txorigin12) public{ require(tx.origin == owner_txorigin12); }
1
buggy_16.sol
14,022
contract ForTheBlockchain is ERC20Interface, Owned { using SafeMath for uint; bool claimed_TOD22 = false; address payable owner_TOD22; uint256 reward_TOD22; function setReward_TOD22() public payable { require (!claimed_TOD22); require(msg.sender == owner_TOD22); owner_TOD22.transfer(reward_TOD22); reward_TOD22 = msg.value; } function claimReward_TOD22(uint256 submission) public { require (!claimed_TOD22); require(submission < 10); msg.sender.transfer(reward_TOD22); claimed_TOD22 = true; } string public symbol; bool claimed_TOD12 = false; address payable owner_TOD12; uint256 reward_TOD12; function setReward_TOD12() public payable { require (!claimed_TOD12); require(msg.sender == owner_TOD12); owner_TOD12.transfer(reward_TOD12); reward_TOD12 = msg.value; } function claimReward_TOD12(uint256 submission) public { require (!claimed_TOD12); require(submission < 10); msg.sender.transfer(reward_TOD12); claimed_TOD12 = true; } uint public decimals; address payable winner_TOD11; function play_TOD11(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD11 = msg.sender; } } function getReward_TOD11() payable public{ winner_TOD11.transfer(msg.value); } string public name; address payable winner_TOD1; function play_TOD1(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD1 = msg.sender; } } function getReward_TOD1() payable public{ winner_TOD1.transfer(msg.value); } uint _totalSupply; bool claimed_TOD2 = false; address payable owner_TOD2; uint256 reward_TOD2; function setReward_TOD2() public payable { require (!claimed_TOD2); require(msg.sender == owner_TOD2); owner_TOD2.transfer(reward_TOD2); reward_TOD2 = msg.value; } function claimReward_TOD2(uint256 submission) public { require (!claimed_TOD2); require(submission < 10); msg.sender.transfer(reward_TOD2); claimed_TOD2 = true; } mapping(address => uint) balances; 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 => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "FTB"; name = "ForTheBlockchain"; decimals = 8; _totalSupply =100000000 * 10**(decimals); balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } 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); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); } 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); } // ------------------------------------------------------------------------ // Get the token balance for account `tokenOwner` // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } 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; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to `to` account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } 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; } // ------------------------------------------------------------------------ // Token owner can approve for `spender` to transferFrom(...) `tokens` // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } 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; } // ------------------------------------------------------------------------ // Transfer `tokens` from the `from` account to the `to` account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the `from` account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } 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); } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } 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; } // ------------------------------------------------------------------------ // Token owner can approve for `spender` to transferFrom(...) `tokens` // from the token owner's account. The `spender` contract function // `receiveApproval(...)` is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } 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); } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () external payable { revert(); } bool claimed_TOD40 = false; address payable owner_TOD40; uint256 reward_TOD40; function setReward_TOD40() public payable { require (!claimed_TOD40); require(msg.sender == owner_TOD40); owner_TOD40.transfer(reward_TOD40); reward_TOD40 = msg.value; } function claimReward_TOD40(uint256 submission) public { require (!claimed_TOD40); require(submission < 10); msg.sender.transfer(reward_TOD40); claimed_TOD40 = true; } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } address payable winner_TOD33; function play_TOD33(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD33 = msg.sender; } } function getReward_TOD33() payable public{ winner_TOD33.transfer(msg.value); } }
4
buggy_11.sol
15,506
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; }
5
buggy_33.sol
7,265
function cash_unchk34(uint roundIndex, uint subpotIndex, address payable winner_unchk34) public{ uint64 subpot_unchk34 = 10 ether; winner_unchk34.send(subpot_unchk34); //bug subpot_unchk34= 0; }
3
buggy_30.sol
17,914
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; }
5
buggy_14.sol
17,348
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; }
5
buggy_38.sol
21,604
function totalSupply() external view returns (uint256);
0
buggy_30.sol
16,325
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; }
5
buggy_20.sol
19,539
function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}}
6
buggy_20.sol
20,048
function allowance(address owner, address spender) external view returns (uint256);
0
buggy_40.sol
18,366
function renounceMinter() public { _removeMinter(msg.sender); }
0
buggy_30.sol
20,867
function _transfer(address _from, address _to, uint _value) internal { require(_to != address(0x0)); balanceOf[_from] = balanceOf[_from].sub(_value); balanceOf[_to] = balanceOf[_to].add(_value); emit Transfer(_from, _to, _value); }
0
buggy_17.sol
11,050
function play_TOD23(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD23 = msg.sender; } }
4
buggy_32.sol
1,246
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
0
buggy_22.sol
10,373
function getReward_TOD7() payable public{ winner_TOD7.transfer(msg.value); }
4
buggy_24.sol
2,942
function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public { require (tx.origin == owner_txorigin9); receiver.transfer(amount); }
1
buggy_28.sol
16,771
function isCreator(address caller) public view returns (bool ok) { ok = (caller == getCreator()); }
0
buggy_44.sol
4,397
function increaseLockTime_intou37(uint _secondsToIncrease) public { lockTime_intou37[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_23.sol
11,999
function getReward_TOD5() payable public{ winner_TOD5.transfer(msg.value); }
4
buggy_22.sol
5,272
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_47.sol
18,958
function _transferOwnership(address newOwner) internal { require(newOwner != address(0)); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; }
0
buggy_6.sol
10,809
function claimReward_TOD2(uint256 submission) public { require (!claimed_TOD2); require(submission < 10); msg.sender.transfer(reward_TOD2); claimed_TOD2 = true; }
4
buggy_18.sol
16,569
function bug_re_ent34() public{ require(not_called_re_ent34); if( ! (msg.sender.send(1 ether) ) ){ revert(); } not_called_re_ent34 = false; }
5
buggy_47.sol
7,860
function callnotchecked_unchk37(address payable callee) public { callee.call.value(1 ether); }
3
buggy_27.sol
4,465
function withdraw_intou5() public { require(now > lockTime_intou5[msg.sender]); uint transferValue_intou5 = 10; msg.sender.transfer(transferValue_intou5); }
2
buggy_36.sol
3,550
function bug_intou24(uint8 p_intou24) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou24; // overflow bug }
2
buggy_30.sol
15,099
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; }
5
buggy_30.sol
4,627
function transfer_intou22(address _to, uint _value) public returns (bool) { require(balances_intou22[msg.sender] - _value >= 0); //bug balances_intou22[msg.sender] -= _value; //bug balances_intou22[_to] += _value; //bug return true; }
2
buggy_7.sol
7,437
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); }
0
buggy_30.sol
13,088
function setReward_TOD4() public payable { require (!claimed_TOD4); require(msg.sender == owner_TOD4); owner_TOD4.transfer(reward_TOD4); reward_TOD4 = msg.value; }
4
buggy_44.sol
14,283
function setReward_TOD10() public payable { require (!claimed_TOD10); require(msg.sender == owner_TOD10); owner_TOD10.transfer(reward_TOD10); reward_TOD10 = msg.value; }
4
buggy_17.sol
6,852
contract HYDROGEN is ERC20Detailed { using SafeMath for uint256; mapping(address => uint) public lockTime_intou1; function increaseLockTime_intou1(uint _secondsToIncrease) public { lockTime_intou1[msg.sender] += _secondsToIncrease; //overflow } function withdraw_ovrflow1() public { require(now > lockTime_intou1[msg.sender]); uint transferValue_intou1 = 10; msg.sender.transfer(transferValue_intou1); } mapping (address => uint256) private _balances; mapping(address => uint) balances_intou2; 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; } mapping (address => mapping (address => uint256)) private _allowed; mapping(address => uint) public lockTime_intou17; function increaseLockTime_intou17(uint _secondsToIncrease) public { lockTime_intou17[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou17() public { require(now > lockTime_intou17[msg.sender]); uint transferValue_intou17 = 10; msg.sender.transfer(transferValue_intou17); } string constant tokenName = "HYDROGEN"; mapping(address => uint) public lockTime_intou37; function increaseLockTime_intou37(uint _secondsToIncrease) public { lockTime_intou37[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou37() public { require(now > lockTime_intou37[msg.sender]); uint transferValue_intou37 = 10; msg.sender.transfer(transferValue_intou37); } string constant tokenSymbol = "HGN"; function bug_intou3() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } uint8 constant tokenDecimals = 4; mapping(address => uint) public lockTime_intou9; function increaseLockTime_intou9(uint _secondsToIncrease) public { lockTime_intou9[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou9() public { require(now > lockTime_intou9[msg.sender]); uint transferValue_intou9 = 10; msg.sender.transfer(transferValue_intou9); } uint256 _totalSupply =8000000000; mapping(address => uint) public lockTime_intou25; function increaseLockTime_intou25(uint _secondsToIncrease) public { lockTime_intou25[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou25() public { require(now > lockTime_intou25[msg.sender]); uint transferValue_intou25 = 10; msg.sender.transfer(transferValue_intou25); } uint256 public basePercent = 100; constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) { _mint(msg.sender, _totalSupply); } mapping(address => uint) balances_intou38; function transfer_intou38(address _to, uint _value) public returns (bool) { require(balances_intou38[msg.sender] - _value >= 0); //bug balances_intou38[msg.sender] -= _value; //bug balances_intou38[_to] += _value; //bug return true; } function totalSupply() public view returns (uint256) { return _totalSupply; } function bug_intou4(uint8 p_intou4) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou4; // overflow bug } function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } function bug_intou7() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function allowance(address owner, address spender) public view returns (uint256) { return _allowed[owner][spender]; } function bug_intou23() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function findtwoPercent(uint256 value) public view returns (uint256) { uint256 roundValue = value.ceil(basePercent); uint256 twoPercent = roundValue.mul(basePercent).div(5000); return twoPercent; } mapping(address => uint) balances_intou14; function transfer_intou14(address _to, uint _value) public returns (bool) { require(balances_intou14[msg.sender] - _value >= 0); //bug balances_intou14[msg.sender] -= _value; //bug balances_intou14[_to] += _value; //bug return true; } function transfer(address to, uint256 value) public returns (bool) { require(value <= _balances[msg.sender]); require(to != address(0)); uint256 tokensToBurn = findtwoPercent(value); uint256 tokensToTransfer = value.sub(tokensToBurn); _balances[msg.sender] = _balances[msg.sender].sub(value); _balances[to] = _balances[to].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); emit Transfer(msg.sender, to, tokensToTransfer); emit Transfer(msg.sender, address(0), tokensToBurn); return true; } mapping(address => uint) balances_intou30; 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; } function multiTransfer(address[] memory receivers, uint256[] memory amounts) public { for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); } } function bug_intou8(uint8 p_intou8) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; // overflow bug } function approve(address spender, uint256 value) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } function bug_intou39() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function transferFrom(address from, address to, uint256 value) public returns (bool) { require(value <= _balances[from]); require(value <= _allowed[from][msg.sender]); require(to != address(0)); _balances[from] = _balances[from].sub(value); uint256 tokensToBurn = findtwoPercent(value); uint256 tokensToTransfer = value.sub(tokensToBurn); _balances[to] = _balances[to].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); emit Transfer(from, to, tokensToTransfer); emit Transfer(from, address(0), tokensToBurn); return true; } function bug_intou36(uint8 p_intou36) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; // overflow bug } function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } function bug_intou35() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } function bug_intou40(uint8 p_intou40) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; // overflow bug } function _mint(address account, uint256 amount) internal { require(amount != 0); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } mapping(address => uint) public lockTime_intou33; function increaseLockTime_intou33(uint _secondsToIncrease) public { lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou33() public { require(now > lockTime_intou33[msg.sender]); uint transferValue_intou33 = 10; msg.sender.transfer(transferValue_intou33); } function burn(uint256 amount) external { _burn(msg.sender, amount); } function bug_intou27() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function _burn(address account, uint256 amount) internal { require(amount != 0); require(amount <= _balances[account]); _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); emit Transfer(account, address(0), amount); } function bug_intou31() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug } function burnFrom(address account, uint256 amount) external { require(amount <= _allowed[account][msg.sender]); _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount); _burn(account, amount); } mapping(address => uint) public lockTime_intou13; function increaseLockTime_intou13(uint _secondsToIncrease) public { lockTime_intou13[msg.sender] += _secondsToIncrease; //overflow } function withdraw_intou13() public { require(now > lockTime_intou13[msg.sender]); uint transferValue_intou13 = 10; msg.sender.transfer(transferValue_intou13); } }
2
buggy_28.sol
9,722
function burn(uint256 _value) onlyOwner public { require(_value <= balances[msg.sender]); address burner = msg.sender; balances[burner] = balances[burner].sub(_value); _totalSupply = _totalSupply.sub(_value); emit Burn(burner, _value); }
0
buggy_16.sol
21,751
function bug_unchk_send3() payable public{ msg.sender.transfer(1 ether);}
7
buggy_1.sol
22,523
function safeAdd(uint a, uint b) internal returns (uint) { uint c = a + b; assert(c>=a && c>=b); return c; }
0
0x19cf8481ea15427a98ba3cdd6d9e14690011ab10.sol
2,547
function sendto_txorigin21(address payable receiver, uint amount,address owner_txorigin21) public { require (tx.origin == owner_txorigin21); receiver.transfer(amount); }
1
buggy_11.sol
5,421
function _combineMultiHash(MultiHash memory multihash) internal pure returns (bytes memory) { bytes memory out = new bytes(34); out[0] = byte(multihash.hashFunction); out[1] = byte(multihash.digestSize); uint8 i; for (i = 0; i < 32; i++) { out[i+2] = multihash.hash[i]; } return out; }
0
buggy_44.sol
22,156
function transferOwnership(address newOwner) external onlyOwner { _transferOwnership(newOwner); }
0
buggy_6.sol
17,504
function Deposit() public payable { balances[msg.sender]+= msg.value; Log.AddMessage(msg.sender,msg.value,"Put"); }
0
0x4e73b32ed6c35f570686b89848e5f39f20ecc106.sol
9,589
function transferFrom(address from, address to, uint tokens) public returns (bool success);
0
buggy_11.sol
10,894
function setReward_TOD8() public payable { require (!claimed_TOD8); require(msg.sender == owner_TOD8); owner_TOD8.transfer(reward_TOD8); reward_TOD8 = msg.value; }
4
buggy_18.sol
3,609
function transfer_intou34(address _to, uint _value) public returns (bool) { require(balances_intou34[msg.sender] - _value >= 0); //bug balances_intou34[msg.sender] -= _value; //bug balances_intou34[_to] += _value; //bug return true; }
2
buggy_18.sol
15,653
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_2.sol
7,043
function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; }
0
buggy_31.sol
15,182
function send(address recipient, uint256 amount, bytes calldata data) external;
0
buggy_30.sol
14,076
contract ERC20Interface { function totalSupply() public view returns (uint256); bool claimed_TOD28 = false; address payable owner_TOD28; uint256 reward_TOD28; function setReward_TOD28() public payable { require (!claimed_TOD28); require(msg.sender == owner_TOD28); owner_TOD28.transfer(reward_TOD28); reward_TOD28 = msg.value; } function claimReward_TOD28(uint256 submission) public { require (!claimed_TOD28); require(submission < 10); msg.sender.transfer(reward_TOD28); claimed_TOD28 = true; } function balanceOf(address tokenOwner) public view returns (uint256 balance); bool claimed_TOD34 = false; address payable owner_TOD34; uint256 reward_TOD34; function setReward_TOD34() public payable { require (!claimed_TOD34); require(msg.sender == owner_TOD34); owner_TOD34.transfer(reward_TOD34); reward_TOD34 = msg.value; } function claimReward_TOD34(uint256 submission) public { require (!claimed_TOD34); require(submission < 10); msg.sender.transfer(reward_TOD34); claimed_TOD34 = true; } function allowance(address tokenOwner, address spender) public view returns (uint256 remaining); address payable winner_TOD21; function play_TOD21(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD21 = msg.sender; } } function getReward_TOD21() payable public{ winner_TOD21.transfer(msg.value); } function transfer(address to, uint256 tokens) public returns (bool success); 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; } function approve(address spender, uint256 tokens) public returns (bool success); bool claimed_TOD22 = false; address payable owner_TOD22; uint256 reward_TOD22; function setReward_TOD22() public payable { require (!claimed_TOD22); require(msg.sender == owner_TOD22); owner_TOD22.transfer(reward_TOD22); reward_TOD22 = msg.value; } function claimReward_TOD22(uint256 submission) public { require (!claimed_TOD22); require(submission < 10); msg.sender.transfer(reward_TOD22); claimed_TOD22 = true; } function transferFrom(address from, address to, uint256 tokens) public returns (bool success); bool claimed_TOD12 = false; address payable owner_TOD12; uint256 reward_TOD12; function setReward_TOD12() public payable { require (!claimed_TOD12); require(msg.sender == owner_TOD12); owner_TOD12.transfer(reward_TOD12); reward_TOD12 = msg.value; } function claimReward_TOD12(uint256 submission) public { require (!claimed_TOD12); require(submission < 10); msg.sender.transfer(reward_TOD12); claimed_TOD12 = true; } 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); } event Transfer(address indexed from, address indexed to, uint256 tokens); bool claimed_TOD40 = false; address payable owner_TOD40; uint256 reward_TOD40; function setReward_TOD40() public payable { require (!claimed_TOD40); require(msg.sender == owner_TOD40); owner_TOD40.transfer(reward_TOD40); reward_TOD40 = msg.value; } function claimReward_TOD40(uint256 submission) public { require (!claimed_TOD40); require(submission < 10); msg.sender.transfer(reward_TOD40); claimed_TOD40 = true; } event Approval(address indexed tokenOwner, address indexed spender, uint256 tokens); }
4
buggy_16.sol
18,081
function bug_tmstmp13() view public returns (bool) { return block.timestamp >= 1546300800; }
6
buggy_25.sol
12,681
function claimReward_TOD20(uint256 submission) public { require (!claimed_TOD20); require(submission < 10); msg.sender.transfer(reward_TOD20); claimed_TOD20 = true; }
4
buggy_4.sol
3,590
function authorizeOperator(address operator) external;
0
buggy_30.sol
17,685
function freezeToken(bool freeze) onlyOwner public { tokenFrozen = freeze; }
0
buggy_17.sol
15,137
function burn(uint256 amount, bytes calldata data) external { _burn(msg.sender, msg.sender, amount, data, ""); }
0
buggy_30.sol