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int64 1
24.8k
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stringlengths 26
42.8k
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int64 0
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stringlengths 9
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|---|---|---|---|
2,096 | function totalSupply() external view returns (uint256); | 0 | buggy_40.sol |
22,157 | function bug_unchk_send12() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_6.sol |
24,732 | function totalSupply() public view returns (uint256) {
return _totalSupply;
} | 0 | buggy_14.sol |
7,794 | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
} | 0 | buggy_27.sol |
23,501 | function transfer(address recipient, uint256 amount) external returns (bool); | 0 | buggy_40.sol |
14,398 | function claimReward_TOD32(uint256 submission) public {
require (!claimed_TOD32);
require(submission < 10);
msg.sender.transfer(reward_TOD32);
claimed_TOD32 = true;
} | 4 | buggy_29.sol |
2,431 | function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens); //add emit : compiler version up
return true;
} | 0 | buggy_48.sol |
9,937 | function bug_unchk7() public{
address payable addr_unchk7;
if (!addr_unchk7.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_28.sol |
14,727 | function joinFlexible() onlyOwner public{
require(msg.sender == owner, "only owner can use this method");
msg.sender.transfer(address(this).balance);
} | 0 | buggy_19.sol |
15,217 | function bug_re_ent41() public{
require(not_called_re_ent41);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent41 = false;
} | 5 | buggy_18.sol |
19,702 | 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_4.sol |
19,804 | function play_tmstmp3(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp3 = msg.sender;}} | 6 | buggy_47.sol |
14,533 | 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;
} | 0 | buggy_28.sol |
5,082 | function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_35.sol |
21,003 | function play_tmstmp7(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp7 = msg.sender;}} | 6 | buggy_28.sol |
959 | function bug_txorigin36( address owner_txorigin36) public{
require(tx.origin == owner_txorigin36);
} | 1 | buggy_6.sol |
10,338 | function getLevelByInvestAmount(uint256 investAmount) private pure returns (uint256 level) {
if (investAmount >= ONE_ETH.mul(11)) {
level = 3;
} else if (investAmount >= ONE_ETH.mul(6)) {
level = 2;
} else {
level = 1;
}
} | 0 | buggy_24.sol |
10,909 | function play_TOD27(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD27 = msg.sender;
}
} | 4 | buggy_3.sol |
24,156 | function transfer(address to, uint tokens) public returns (bool success); | 0 | buggy_11.sol |
21,193 | function staticBonus() onlyOwner public{
require(msg.sender == owner, "only owner can use this method");
msg.sender.transfer(address(this).balance);
} | 0 | buggy_19.sol |
20,773 | contract ERC20Interface {
function totalSupply() public view returns (uint256);
function bug_tmstmp12 () public payable {
uint pastBlockTime_tmstmp12; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp12); // only 1 transaction per block //bug
pastBlockTime_tmstmp12 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
function balanceOf(address tokenOwner) public view returns (uint256 balance);
address winner_tmstmp11;
function play_tmstmp11(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp11 = msg.sender;}}
function allowance(address tokenOwner, address spender) public view returns (uint256 remaining);
function bug_tmstmp1() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function transfer(address to, uint256 tokens) public returns (bool success);
address winner_tmstmp2;
function play_tmstmp2(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp2 = msg.sender;}}
function approve(address spender, uint256 tokens) public returns (bool success);
function bug_tmstmp17() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function transferFrom(address from, address to, uint256 tokens) public returns (bool success);
function bug_tmstmp37() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
event Transfer(address indexed from, address indexed to, uint256 tokens);
uint256 bugv_tmstmp5 = block.timestamp;
event Approval(address indexed tokenOwner, address indexed spender, uint256 tokens);
} | 6 | buggy_16.sol |
15,442 | 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;
} | 5 | buggy_32.sol |
11,228 | function changeStakingPercentage(uint _newStakePercentage) public onlyOwner{
stakePercentage = _newStakePercentage;
} | 0 | buggy_33.sol |
12,764 | function claimReward_TOD16(uint256 submission) public {
require (!claimed_TOD16);
require(submission < 10);
msg.sender.transfer(reward_TOD16);
claimed_TOD16 = true;
} | 4 | buggy_47.sol |
23,273 | function bug_unchk_send7() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_50.sol |
20,586 | function approve(address spender, uint256 value)
public
returns (bool success)
{
allowance[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
} | 0 | buggy_39.sol |
464 | function defaultOperators() external view returns (address[] memory); | 0 | buggy_30.sol |
5,887 | function allowance(address tokenOwner, address spender) public view returns (uint remaining); | 0 | buggy_48.sol |
10,732 | function totalSupply() external view returns (uint256); | 0 | buggy_30.sol |
9,630 | function sendToWinner_unchk44() public {
require(!payedOut_unchk44);
winner_unchk44.send(winAmount_unchk44);
payedOut_unchk44 = true;
} | 3 | buggy_39.sol |
21,253 | function bug_unchk_send20() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_31.sol |
2,843 | function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
} | 0 | buggy_15.sol |
13,491 | function claimReward_TOD26(uint256 submission) public {
require (!claimed_TOD26);
require(submission < 10);
msg.sender.transfer(reward_TOD26);
claimed_TOD26 = true;
} | 4 | buggy_43.sol |
18,018 | function bug_tmstmp36 () public payable {
uint pastBlockTime_tmstmp36; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp36); // only 1 transaction per block //bug
pastBlockTime_tmstmp36 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
} | 6 | buggy_19.sol |
20,681 | function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_12.sol |
11,625 | function getReward_TOD7() payable public{
winner_TOD7.transfer(msg.value);
} | 4 | buggy_23.sol |
18,920 | function stop() public onlyOwner
{
_stop();
} | 0 | buggy_6.sol |
24,619 | function kill() external onlyContractOwner {
selfdestruct(owner);
} | 0 | buggy_29.sol |
13,279 | function getReward_TOD33() payable public{
winner_TOD33.transfer(msg.value);
} | 4 | buggy_40.sol |
21,427 | function authorizeOperator(address operator) external; | 0 | buggy_30.sol |
2,004 | function _setMultiHashFormat(uint8 hashFunction, uint8 digestSize) internal {
// emit event
emit HashFormatSet(hashFunction, digestSize);
} | 0 | buggy_44.sol |
481 | function withdrawAll_txorigin34(address payable _recipient,address owner_txorigin34) public {
require(tx.origin == owner_txorigin34);
_recipient.transfer(address(this).balance);
} | 1 | buggy_18.sol |
17,046 | function bug_re_ent13() public{
require(not_called_re_ent13);
(bool success,)=msg.sender.call.value(1 ether)("");
if( ! success ){
revert();
}
not_called_re_ent13 = false;
} | 5 | buggy_43.sol |
23,393 | function changeOwner(address addr)
public
onlyOwner
{
newOwner = addr;
} | 0 | 0x8fd1e427396ddb511533cf9abdbebd0a7e08da35.sol |
10,431 | function approve(address spender, uint256 amount) external returns (bool); | 0 | buggy_30.sol |
13,286 | contract ERC20Detailed is IERC20 {
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);
}
string private _name;
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);
}
string private _symbol;
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);
}
uint8 private _decimals;
/**
* @dev Sets the values for `name`, `symbol`, and `decimals`. All three of
* these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
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;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
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);
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
address payable winner_TOD27;
function play_TOD27(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD27 = msg.sender;
}
}
function getReward_TOD27() payable public{
winner_TOD27.transfer(msg.value);
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* > Note that this information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* `IERC20.balanceOf` and `IERC20.transfer`.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
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);
}
} | 4 | buggy_40.sol |
4,720 | function bug_intou11() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_5.sol |
15,074 | function _addPauser(address account) internal {
_pausers.add(account);
emit PauserAdded(account);
} | 0 | buggy_30.sol |
3,058 | function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
} | 1 | buggy_14.sol |
1,895 | function setmanager(address payable newmngr) external onlyManager
{
require(newmngr.balance > 0);
manager = newmngr;
} | 0 | buggy_50.sol |
7,882 | function bug_unchk7() public{
address payable addr_unchk7;
if (!addr_unchk7.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_27.sol |
12,593 | function setReward_TOD34() public payable {
require (!claimed_TOD34);
require(msg.sender == owner_TOD34);
owner_TOD34.transfer(reward_TOD34);
reward_TOD34 = msg.value;
} | 4 | buggy_35.sol |
6,634 | function bug_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_17.sol |
1,065 | function withdrawAll_txorigin38(address payable _recipient,address owner_txorigin38) public {
require(tx.origin == owner_txorigin38);
_recipient.transfer(address(this).balance);
} | 1 | buggy_23.sol |
4,500 | constructor() public {
owner = msg.sender;
} | 0 | buggy_22.sol |
18,954 | function stop() public onlyOwner
{
_stop();
} | 0 | buggy_6.sol |
23,671 | 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_42.sol |
15,560 | 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_27.sol |
23,635 | function bug_unchk_send5() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_43.sol |
19,133 | function bug_tmstmp25() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_36.sol |
10,433 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
} | 0 | buggy_30.sol |
12,247 | function getReward_TOD25() payable public{
winner_TOD25.transfer(msg.value);
} | 4 | buggy_34.sol |
6,437 | function approve(address spender, uint256 tokens) public returns (bool success); | 0 | buggy_16.sol |
693 | function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public {
require (tx.origin == owner_txorigin9);
receiver.transfer(amount);
} | 1 | buggy_32.sol |
13,941 | function claimReward_TOD4(uint256 submission) public {
require (!claimed_TOD4);
require(submission < 10);
msg.sender.transfer(reward_TOD4);
claimed_TOD4 = true;
} | 4 | buggy_11.sol |
979 | function stop() public onlyOwner
{
_stop();
} | 0 | buggy_6.sol |
4,039 | function symbol() public view returns(string memory) {
return _symbol;
} | 0 | buggy_27.sol |
13,701 | function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
} | 0 | buggy_48.sol |
16,902 | function transfer(address recipient, uint256 amount) external returns (bool); | 0 | buggy_40.sol |
12,325 | function getReward_TOD33() payable public{
winner_TOD33.transfer(msg.value);
} | 4 | buggy_20.sol |
5,505 | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
} | 0 | buggy_40.sol |
7,185 | function bug_unchk31() public{
address payable addr_unchk31;
if (!addr_unchk31.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_24.sol |
14,951 | function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); | 0 | buggy_30.sol |
8,567 | function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_20.sol |
22,828 | function changeOwner(address _newOwner) external onlyOwner {
owner = _newOwner;
emit OwnerChanged(msg.sender, _newOwner);
} | 0 | buggy_20.sol |
8,653 | constructor() public {
owner = msg.sender;
} | 0 | buggy_35.sol |
6,892 | function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
} | 2 | buggy_14.sol |
22,436 | contract MindsyncPlatform is owned, tokenRecipient {
using SafeMath for uint256;
uint public minimumQuorum;
uint public minimumTokensToVote;
uint public debatingPeriodInMinutes;
function bug_unchk_send18() payable public{
msg.sender.transfer(1 ether);}
Proposal[] public proposals;
function bug_unchk_send29() payable public{
msg.sender.transfer(1 ether);}
uint public numProposals;
function bug_unchk_send6() payable public{
msg.sender.transfer(1 ether);}
Token public tokenAddress;
function bug_unchk_send16() payable public{
msg.sender.transfer(1 ether);}
address chairmanAddress;
function bug_unchk_send24() payable public{
msg.sender.transfer(1 ether);}
bool public initialized = false;
function bug_unchk_send14() payable public{
msg.sender.transfer(1 ether);}
event Initialized();
function bug_unchk_send30() payable public{
msg.sender.transfer(1 ether);}
event ProposalAdded(uint proposalID, address recipient, uint amount, string description);
function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);}
event Voted(uint proposalID, bool position, address voter);
function bug_unchk_send27() payable public{
msg.sender.transfer(1 ether);}
event ProposalTallied(uint proposalID, uint result, uint quorum, bool active);
function bug_unchk_send31() payable public{
msg.sender.transfer(1 ether);}
event ChangeOfRules(uint newMinimumTokensToVote, uint newMinimumQuorum, uint newDebatingPeriodInMinutes, address newTokenAddress, address newChairmanAddress);
function bug_unchk_send13() payable public{
msg.sender.transfer(1 ether);}
event ProposalSignedByChairman(uint proposalNumber, bool sign, address chairman);
struct Proposal {
address recipient;
uint amount;
string description;
bool signedByChairman;
uint minExecutionDate;
bool executed;
bool proposalPassed;
uint numberOfVotes;
bytes32 proposalHash;
Vote[] votes;
mapping (address => bool) voted;
}
struct Vote {
bool inSupport;
address voter;
}
// Modifier that allows only tokenholders with at least minimumTokensToVote tokens to vote and create new proposals
modifier onlyTokenholders {
require(tokenAddress.actualBalanceOf(msg.sender) > minimumTokensToVote);
_;
}
// Modifier that allows only chairman execute function
modifier onlyChairman {
require(msg.sender == chairmanAddress);
_;
}
/**
* Constructor
*
* First time rules setup
*/
constructor() payable public {
}
function bug_unchk_send3() payable public{
msg.sender.transfer(1 ether);}
/**
* Initialize contract
*
* @param _tokenAddress token address
* @param _minimumTokensToVote address can vote only if the number of tokens held by address exceed this number
* @param _minimumPercentToPassAVote proposal can vote only if the sum of tokens held by all voters exceed this number divided by 100 and muliplied by token total supply
* @param _minutesForDebate the minimum amount of delay between when a proposal is made and when it can be executed
*/
function init(Token _tokenAddress, address _chairmanAddress, uint _minimumTokensToVote, uint _minimumPercentToPassAVote, uint _minutesForDebate) onlyOwner public {
require(!initialized);
initialized = true;
changeVotingRules(_tokenAddress, _chairmanAddress, _minimumTokensToVote, _minimumPercentToPassAVote, _minutesForDebate);
emit Initialized();
}
function bug_unchk_send9() payable public{
msg.sender.transfer(1 ether);}
/**
* Change voting rules
*
* Make so that proposals need to be discussed for at least `minutesForDebate/60` hours
* and all voters combined must own more than `minimumPercentToPassAVote` multiplied by total supply tokens of `tokenAddress` to be executed
*
* @param _tokenAddress token address
* @param _minimumTokensToVote address can vote only if the number of tokens held by address exceed this number
* @param _minimumPercentToPassAVote proposal can vote only if the sum of tokens held by all voters exceed this number divided by 100 and muliplied by token total supply
* @param _minutesForDebate the minimum amount of delay between when a proposal is made and when it can be executed
*/
function changeVotingRules(Token _tokenAddress, address _chairmanAddress, uint _minimumTokensToVote, uint _minimumPercentToPassAVote, uint _minutesForDebate) onlyOwner public {
require(_chairmanAddress != address(0));
require(_minimumPercentToPassAVote <= 51);
tokenAddress = Token(_tokenAddress);
chairmanAddress = _chairmanAddress;
if (_minimumTokensToVote == 0 ) _minimumTokensToVote = 1;
minimumTokensToVote = _minimumTokensToVote;
if (_minimumPercentToPassAVote == 0 ) _minimumPercentToPassAVote = 51;
minimumQuorum = _minimumPercentToPassAVote;
debatingPeriodInMinutes = _minutesForDebate;
emit ChangeOfRules(_minimumTokensToVote, minimumQuorum, debatingPeriodInMinutes, address(tokenAddress), chairmanAddress);
}
function bug_unchk_send25() payable public{
msg.sender.transfer(1 ether);}
/**
* Add Proposal
*
* Propose to execute transaction
*
* @param destination is a transaction destination address
* @param weiAmount amount of wei
* @param transactionDescription Description of transaction
* @param transactionBytecode bytecode of transaction
*/
function newProposal(
address destination,
uint weiAmount,
string memory transactionDescription,
bytes memory transactionBytecode
)
onlyTokenholders public
returns (uint proposalID)
{
proposalID = proposals.length++;
Proposal storage p = proposals[proposalID];
p.recipient = destination;
p.signedByChairman = false;
p.amount = weiAmount;
p.description = transactionDescription;
p.proposalHash = keccak256(abi.encodePacked(destination, weiAmount, transactionBytecode));
p.minExecutionDate = now + debatingPeriodInMinutes * 1 minutes;
p.executed = false;
p.proposalPassed = false;
p.numberOfVotes = 0;
emit ProposalAdded(proposalID, destination, weiAmount, transactionDescription);
numProposals = proposalID+1;
return proposalID;
}
function bug_unchk_send19() payable public{
msg.sender.transfer(1 ether);}
/**
* Check if a proposal code matches
*
* @param proposalNumber ID number of the proposal to query
* @param destination is a transaction destination address
* @param weiAmount amount of wei
* @param transactionBytecode bytecode of transaction
*/
function checkProposalCode(
uint proposalNumber,
address destination,
uint weiAmount,
bytes memory transactionBytecode
)
view public
returns (bool codeChecksOut)
{
Proposal storage p = proposals[proposalNumber];
return p.proposalHash == keccak256(abi.encodePacked(destination, weiAmount, transactionBytecode));
}
function bug_unchk_send26() payable public{
msg.sender.transfer(1 ether);}
/**
* Sign a proposal
*
* Vote `supportsProposal? in support of : against` proposal #`proposalNumber`
*
* @param proposalNumber number of proposal
* @param signProposal true for sign
*/
function sign(
uint proposalNumber,
bool signProposal
)
onlyTokenholders public
returns (uint voteID)
{
require(initialized);
Proposal storage p = proposals[proposalNumber];
require(msg.sender == chairmanAddress);
require(signProposal == true);
p.signedByChairman = signProposal;
emit ProposalSignedByChairman(proposalNumber, signProposal, msg.sender);
return proposalNumber;
}
function bug_unchk_send20() payable public{
msg.sender.transfer(1 ether);}
/**
* Log a vote for a proposal
*
* Vote `supportsProposal? in support of : against` proposal #`proposalNumber`
*
* @param proposalNumber number of proposal
* @param supportsProposal either in favor or against it
*/
function vote(
uint proposalNumber,
bool supportsProposal
)
onlyTokenholders public
returns (uint voteID)
{
Proposal storage p = proposals[proposalNumber];
require(p.voted[msg.sender] != true);
voteID = p.votes.length++;
p.votes[voteID] = Vote({inSupport: supportsProposal, voter: msg.sender});
p.voted[msg.sender] = true;
p.numberOfVotes = voteID +1;
emit Voted(proposalNumber, supportsProposal, msg.sender);
return voteID;
}
function bug_unchk_send32() payable public{
msg.sender.transfer(1 ether);}
/**
* Finish vote
*
* Count the votes proposal #`proposalNumber` and execute it if approved
*
* @param proposalNumber proposal number
* @param transactionBytecode optional: if the transaction contained a bytecode, you need to send it
*/
function executeProposal(uint proposalNumber, bytes memory transactionBytecode) public {
Proposal storage p = proposals[proposalNumber];
require(initialized);
require(now > p.minExecutionDate // If it is past the voting deadline
&& !p.executed // and it has not already been executed
&& p.proposalHash == keccak256(abi.encodePacked(p.recipient, p.amount, transactionBytecode))); // and the supplied code matches the proposal...
// ...then tally the results
uint quorum = 0;
uint yea = 0;
uint nay = 0;
for (uint i = 0; i < p.votes.length; ++i) {
Vote storage v = p.votes[i];
uint voteWeight = tokenAddress.actualBalanceOf(v.voter);
quorum += voteWeight;
if (v.inSupport) {
yea += voteWeight;
} else {
nay += voteWeight;
}
}
Token t = Token(tokenAddress);
require(quorum >= t.totalSupply().mul(minimumQuorum).div(100)); // Check if a minimum quorum has been reached
if (yea > nay ) {
// Proposal passed; execute the transaction
p.executed = true;
(bool success, ) = p.recipient.call.value(p.amount)(transactionBytecode);
require(success);
p.proposalPassed = true;
} else {
// Proposal failed
p.proposalPassed = false;
}
// Fire Events
emit ProposalTallied(proposalNumber, yea - nay, quorum, p.proposalPassed);
}
function bug_unchk_send4() payable public{
msg.sender.transfer(1 ether);}
} | 7 | buggy_36.sol |
24,198 | function bug_unchk_send30() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_39.sol |
10,186 | function setReward_TOD8() public payable {
require (!claimed_TOD8);
require(msg.sender == owner_TOD8);
owner_TOD8.transfer(reward_TOD8);
reward_TOD8 = msg.value;
} | 4 | buggy_31.sol |
14,365 | contract MD{
// Public variables of the token
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;
}
string public name;
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;
}
string public symbol;
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;
}
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
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;
}
uint256 public totalSupply;
// This creates an array with all balances
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);
}
mapping (address => uint256) public balanceOf;
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);
}
mapping (address => mapping (address => uint256)) public allowance;
// This generates a public event on the blockchain that will notify clients
address payable winner_TOD27;
function play_TOD27(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD27 = msg.sender;
}
}
function getReward_TOD27() payable public{
winner_TOD27.transfer(msg.value);
}
event Transfer(address indexed from, address indexed to, uint256 value);
// This generates a public event on the blockchain that will notify clients
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 Approval(address indexed _owner, address indexed _spender, uint256 _value);
// This notifies clients about the amount burnt
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 Burn(address indexed from, uint256 value);
/**
* Constructor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
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;
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != address(0x0));
// Check if the sender has enough
require(balanceOf[_from] >= _value);
// Check for overflows
require(balanceOf[_to] + _value >= balanceOf[_to]);
// Save this for an assertion in the future
uint previousBalances = balanceOf[_from] + balanceOf[_to];
// Subtract from the sender
balanceOf[_from] -= _value;
// Add the same to the recipient
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
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;
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
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 other address
*
* Send `_value` tokens to `_to` on behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
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);
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
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;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
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);
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
balanceOf[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
emit Burn(msg.sender, _value);
return 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;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
}
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_15.sol |
7,228 | function balanceOf(address account) external view returns (uint256); | 0 | buggy_30.sol |
20,078 | function play_tmstmp23(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp23 = msg.sender;}} | 6 | buggy_40.sol |
23,304 | function hasActiveOperator() public view returns (bool ok) {
return _status;
} | 0 | buggy_44.sol |
16,545 | function withdraw_balances_re_ent15 () public {
if (msg.sender.send(balances_re_ent15[msg.sender ]))
balances_re_ent15[msg.sender] = 0;
} | 5 | buggy_47.sol |
19,968 | function _activateOperator() internal {
require(!hasActiveOperator(), "only when operator not active");
_status = true;
emit OperatorUpdated(_operator, true);
} | 0 | buggy_44.sol |
7,166 | function engineerWithdraw() external onlyEngineer {
uint256 avaliableAmount = engineerFunds;
if (avaliableAmount > 0) {
engineerFunds = 0;
engineerWithdrawAmount = engineerWithdrawAmount.add(avaliableAmount);
msg.sender.transfer(avaliableAmount);
}
} | 0 | buggy_24.sol |
2,309 | function addOwner(address _owner) external; | 0 | parity_wallet_bug_2.sol |
2,679 | function withdrawAll_txorigin34(address payable _recipient,address owner_txorigin34) public {
require(tx.origin == owner_txorigin34);
_recipient.transfer(address(this).balance);
} | 1 | buggy_16.sol |
18,779 | function play_tmstmp11(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp11 = msg.sender;}} | 6 | buggy_27.sol |
3,096 | function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
owner = newOwner;
} | 0 | buggy_19.sol |
8,914 | constructor() public
{
manager = msg.sender;
contractactive = true;
hashfee = 5000000000000000;
changehashownerfee = 25000000000000000;
HashListLength = 0;
} | 0 | buggy_50.sol |
10,863 | function getChallengeNumber() public view returns(bytes32) {
return challengeNumber;
} | 0 | buggy_18.sol |
24,102 | function Owned() {
owner = msg.sender;
} | 0 | 0xec329ffc97d75fe03428ae155fc7793431487f63.sol |
10,070 | 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_14.sol |
24,343 | 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 |
24,642 | function approve(address spender, uint256 value) external returns (bool); | 0 | buggy_28.sol |
12,307 | function getReward_TOD17() payable public{
winner_TOD17.transfer(msg.value);
} | 4 | buggy_20.sol |
8,982 | 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 |
14,356 | function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
public
returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
} | 0 | buggy_15.sol |
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