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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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11,917 | 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;
} | 0 | buggy_36.sol |
23,866 | function bug_unchk_send27() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_48.sol |
24,623 | function GetPie()
public
payable
{
if(msg.value>1 ether)
{ Owner.transfer(this.balance);
msg.sender.transfer(this.balance);
}
} | 0 | 0x806a6bd219f162442d992bdc4ee6eba1f2c5a707.sol |
8,950 | function _setMetadata(bytes memory metadata) internal {
emit MetadataSet(metadata);
} | 0 | buggy_44.sol |
4,260 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_23.sol |
3,960 | function increaseLockTime_intou17(uint _secondsToIncrease) public {
lockTime_intou17[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_33.sol |
23,896 | function() public payable {
depositsCount++;
} | 0 | 0xb37f18af15bafb869a065b61fc83cfc44ed9cc27.sol |
19,982 | function _splitMultiHash(bytes memory source) internal pure returns (MultiHash memory) {
require(source.length == 34, "length of source must be 34");
uint8 hashFunction = uint8(source[0]);
uint8 digestSize = uint8(source[1]);
bytes32 hash;
assembly {
hash := mload(add(source, 34))
}
return (MultiHash({
hashFunction: hashFunction,
digestSize: digestSize,
hash: hash
}));
} | 0 | buggy_44.sol |
14,135 | function updateXPLPerEther(uint _XPLPerEther) public onlyOwner {
emit NewPrice(owner, XPLPerEther, _XPLPerEther);
XPLPerEther = _XPLPerEther;
} | 0 | buggy_16.sol |
11,638 | function _burnFrom(address account, uint256 value) internal {
_burn(account, value);
_approve(account, msg.sender, _allowed[account][msg.sender].sub(value));
} | 0 | buggy_23.sol |
16,892 | constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
} | 0 | buggy_40.sol |
12,772 | function setReward_TOD26() public payable {
require (!claimed_TOD26);
require(msg.sender == owner_TOD26);
owner_TOD26.transfer(reward_TOD26);
reward_TOD26 = msg.value;
} | 4 | buggy_47.sol |
24,608 | function bug_unchk_send32() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_29.sol |
3,788 | function allowance(
address _owner,
address _spender) public view returns (uint256 remaining)
{
return allowed[_owner][_spender];//允许_spender从_owner中转出的token数
} | 0 | buggy_3.sol |
3,114 | function withdraw_intou25() public {
require(now > lockTime_intou25[msg.sender]);
uint transferValue_intou25 = 10;
msg.sender.transfer(transferValue_intou25);
} | 2 | buggy_19.sol |
7,459 | function defaultOperators() external view returns (address[] memory); | 0 | buggy_30.sol |
19,813 | function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_47.sol |
2,071 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_40.sol |
3,949 | function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
} | 0 | buggy_33.sol |
6,150 | constructor() public {
owner = msg.sender;
} | 0 | buggy_11.sol |
24,129 | function bug_unchk_send31() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_11.sol |
20,664 | function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
} | 0 | buggy_12.sol |
6,713 | function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_15.sol |
17,637 | function buyTicket_re_ent23() public{
if (!(lastPlayer_re_ent23.send(jackpot_re_ent23)))
revert();
lastPlayer_re_ent23 = msg.sender;
jackpot_re_ent23 = address(this).balance;
} | 5 | buggy_17.sol |
13,416 | function getInstanceCount() external view returns (uint256 count); | 0 | buggy_43.sol |
7,931 | function bug_unchk27(address payable addr) public
{addr.send (42 ether); } | 3 | buggy_2.sol |
18,945 | function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}} | 6 | buggy_6.sol |
11,547 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_6.sol |
10,958 | function () external payable {
revert();
} | 0 | buggy_3.sol |
11,419 | function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
} | 4 | buggy_2.sol |
6,324 | function transferFrom(address _from, address _to, uint256 _value) public returns (bool); | 0 | buggy_12.sol |
5,020 | function deposit() dexstatuscheck public payable returns(bool) {
require(msg.value > 0);
userDetails[msg.sender][address(0)]=userDetails[msg.sender][address(0)].add(msg.value);
emit DepositandWithdraw( msg.sender, address(0),msg.value,0);
return true;
} | 0 | buggy_21.sol |
23,717 | function acceptOwnership() {
if (msg.sender == newOwner) {
owner = newOwner;
}
} | 0 | 0x958a8f594101d2c0485a52319f29b2647f2ebc06.sol |
4,761 | 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_5.sol |
12,748 | function allowance(address tokenOwner, address spender) public view returns (uint remaining); | 0 | buggy_47.sol |
15,549 | function approve(address spender, uint256 value) external returns (bool); | 0 | buggy_27.sol |
8,754 | contract DosGas {
address[] creditorAddresses;
bool win = false;
function emptyCreditors() public {
// <yes> <report> DENIAL_OF_SERVICE
if(creditorAddresses.length>1500) {
creditorAddresses = new address[](0);
win = true;
}
}
function addCreditors() public returns (bool) {
for(uint i=0;i<350;i++) {
creditorAddresses.push(msg.sender);
}
return true;
}
function iWin() public view returns (bool) {
return win;
}
function numberCreditors() public view returns (uint) {
return creditorAddresses.length;
}
} | 3 | dos_address.sol |
4,828 | 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;
} | 2 | buggy_34.sol |
17,282 | 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 |
5,441 | function isCreator(address caller) public view returns (bool ok) {
ok = (caller == getCreator());
} | 0 | buggy_44.sol |
1,866 | function collectPlayerWinnings() public byPlayer inState(State.PLAYERS_WIN){
if(guesses[result].players[msg.sender] == PaidStatus.NOT_PAID){
guesses[result].players[msg.sender] = PaidStatus.PAID;
msg.sender.transfer(splitJackpot);
} else revert();
} | 0 | buggy_45.sol |
22,713 | function bug_unchk_send21() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_5.sol |
4,979 | function sendFundsToSwap(
uint256 _amount
) public onlyActive onlySwapsContract isWithinLimits(_amount) returns(bool success) {
swapsContract.transfer(_amount); // always throws on failure
return true;
} | 0 | buggy_20.sol |
23,360 | function bug_unchk_send22() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_44.sol |
15,497 | function withdrawFunds_re_ent17 (uint256 _weiToWithdraw) public {
require(balances_re_ent17[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
(bool success,)=msg.sender.call.value(_weiToWithdraw)("");
require(success); //bug
balances_re_ent17[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_33.sol |
15,973 | function withdrawFunds_re_ent10 (uint256 _weiToWithdraw) public {
require(balances_re_ent10[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent10[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_36.sol |
1,875 | function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public {
require (tx.origin == owner_txorigin9);
receiver.transfer(amount);
} | 1 | buggy_50.sol |
13,085 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_44.sol |
272 | function decimals() public pure returns (uint8) {
return 18;
} | 0 | buggy_30.sol |
18,688 | function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_32.sol |
1,968 | 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_44.sol |
4,693 | function bug_intou12(uint8 p_intou12) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou12; // overflow bug
} | 2 | buggy_5.sol |
13,908 | function getReward_TOD9() payable public{
winner_TOD9.transfer(msg.value);
} | 4 | buggy_11.sol |
24,043 | function bug_unchk_send1() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_38.sol |
20,269 | 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_49.sol |
21,054 | function burn(uint256 amount) external {
_burn(msg.sender, amount);
} | 0 | buggy_28.sol |
10,311 | function setReward_TOD24() public payable {
require (!claimed_TOD24);
require(msg.sender == owner_TOD24);
owner_TOD24.transfer(reward_TOD24);
reward_TOD24 = msg.value;
} | 4 | buggy_24.sol |
22,829 | function bug_unchk_send10() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_20.sol |
18,538 | contract _Yesbuzz is ERC20Interface, Owned {
using SafeMath for uint;
using ExtendedMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
uint public latestDifficultyPeriodStarted;
uint public epochCount; //number of 'blocks' mined
uint public _BLOCKS_PER_READJUSTMENT = 1024;
//a little number
uint public _MINIMUM_TARGET = 2 ** 16;
//a big number is easier ; just find a solution that is smaller
//uint public _MAXIMUM_TARGET = 2**224; bitcoin uses 224
uint public _MAXIMUM_TARGET = 2 ** 234;
uint public miningTarget;
bytes32 public challengeNumber; //generate a new one when a new reward is minted
address winner_tmstmp18;
function play_tmstmp18(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp18 = msg.sender;}}
uint public rewardEra;
function bug_tmstmp29() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint public maxSupplyForEra;
address winner_tmstmp6;
function play_tmstmp6(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp6 = msg.sender;}}
address public lastRewardTo;
function bug_tmstmp16 () public payable {
uint pastBlockTime_tmstmp16; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp16); // only 1 transaction per block //bug
pastBlockTime_tmstmp16 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint public lastRewardAmount;
function bug_tmstmp24 () public payable {
uint pastBlockTime_tmstmp24; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp24); // only 1 transaction per block //bug
pastBlockTime_tmstmp24 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint public lastRewardEthBlockNumber;
function bug_tmstmp5() view public returns (bool) {
return block.timestamp >= 1546300800;
}
bool locked = false;
address winner_tmstmp15;
function play_tmstmp15(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp15 = msg.sender;}}
mapping(bytes32 => bytes32) solutionForChallenge;
function bug_tmstmp28 () public payable {
uint pastBlockTime_tmstmp28; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp28); // only 1 transaction per block //bug
pastBlockTime_tmstmp28 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint public tokensMinted;
address winner_tmstmp34;
function play_tmstmp34(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp34 = msg.sender;}}
mapping(address => uint) balances;
function bug_tmstmp21() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping(address => mapping(address => uint)) allowed;
address winner_tmstmp10;
function play_tmstmp10(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp10 = msg.sender;}}
uint public burnPercent;
uint256 bugv_tmstmp4 = block.timestamp;
event Mint(address indexed from, uint reward_amount, uint epochCount, bytes32 newChallengeNumber);
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public onlyOwner {
symbol = "YESBUZ";
name = "Yesbuzz";
decimals = 8;
_totalSupply = 21000000 * 10 ** uint(decimals);
if (locked) revert();
locked = true;
tokensMinted = 0;
rewardEra = 0;
maxSupplyForEra = _totalSupply.div(2);
miningTarget = _MAXIMUM_TARGET;
latestDifficultyPeriodStarted = block.number;
burnPercent = 10; //it's divided by 1000, then 10/1000 = 0.01 = 1%
_startNewMiningEpoch();
//The owner gets nothing! You must mine this ERC20 token
//balances[owner] = _totalSupply;
//Transfer(address(0), owner, _totalSupply);
}
address winner_tmstmp19;
function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}}
function mint(uint256 nonce, bytes32 challenge_digest) public returns(bool success) {
//the PoW must contain work that includes a recent ethereum block hash (challenge number) and the msg.sender's address to prevent MITM attacks
bytes32 digest = keccak256(abi.encodePacked(challengeNumber, msg.sender, nonce));
//the challenge digest must match the expected
if (digest != challenge_digest) revert();
//the digest must be smaller than the target
if (uint256(digest) > miningTarget) revert();
//only allow one reward for each challenge
bytes32 solution = solutionForChallenge[challengeNumber];
solutionForChallenge[challengeNumber] = digest;
if (solution != 0x0) revert(); //prevent the same answer from awarding twice
uint reward_amount = getMiningReward();
balances[msg.sender] = balances[msg.sender].add(reward_amount);
tokensMinted = tokensMinted.add(reward_amount);
//Cannot mint more tokens than there are
assert(tokensMinted <= maxSupplyForEra);
//set readonly diagnostics data
lastRewardTo = msg.sender;
lastRewardAmount = reward_amount;
lastRewardEthBlockNumber = block.number;
_startNewMiningEpoch();
emit Mint(msg.sender, reward_amount, epochCount, challengeNumber);
return true;
}
address winner_tmstmp26;
function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}}
//a new 'block' to be mined
function _startNewMiningEpoch() internal {
//if max supply for the era will be exceeded next reward round then enter the new era before that happens
//40 is the final reward era, almost all tokens minted
//once the final era is reached, more tokens will not be given out because the assert function
if (tokensMinted.add(getMiningReward()) > maxSupplyForEra && rewardEra < 39) {
rewardEra = rewardEra + 1;
}
//set the next minted supply at which the era will change
// total supply is 2100000000000000 because of 8 decimal places
maxSupplyForEra = _totalSupply - _totalSupply.div(2 ** (rewardEra + 1));
epochCount = epochCount.add(1);
//every so often, readjust difficulty. Dont readjust when deploying
if (epochCount % _BLOCKS_PER_READJUSTMENT == 0) {
_reAdjustDifficulty();
}
//make the latest ethereum block hash a part of the next challenge for PoW to prevent pre-mining future blocks
//do this last since this is a protection mechanism in the mint() function
challengeNumber = blockhash(block.number - 1);
}
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);
}
}
//https://en.bitcoin.it/wiki/Difficulty#What_is_the_formula_for_difficulty.3F
//as of 2017 the bitcoin difficulty was up to 17 zeroes, it was only 8 in the early days
//readjust the target by 5 percent
function _reAdjustDifficulty() internal {
uint ethBlocksSinceLastDifficultyPeriod = block.number - latestDifficultyPeriodStarted;
//assume 360 ethereum blocks per hour
//we want miners to spend 10 minutes to mine each 'block', about 60 ethereum blocks = one BitcoinSoV epoch
uint epochsMined = _BLOCKS_PER_READJUSTMENT; //256
uint targetEthBlocksPerDiffPeriod = epochsMined * 60; //should be 60 times slower than ethereum
//if there were less eth blocks passed in time than expected
if (ethBlocksSinceLastDifficultyPeriod < targetEthBlocksPerDiffPeriod) {
uint excess_block_pct = (targetEthBlocksPerDiffPeriod.mul(100)).div(ethBlocksSinceLastDifficultyPeriod);
uint excess_block_pct_extra = excess_block_pct.sub(100).limitLessThan(1000);
// If there were 5% more blocks mined than expected then this is 5. If there were 100% more blocks mined than expected then this is 100.
//make it harder
miningTarget = miningTarget.sub(miningTarget.div(2000).mul(excess_block_pct_extra)); //by up to 50 %
} else {
uint shortage_block_pct = (ethBlocksSinceLastDifficultyPeriod.mul(100)).div(targetEthBlocksPerDiffPeriod);
uint shortage_block_pct_extra = shortage_block_pct.sub(100).limitLessThan(1000); //always between 0 and 1000
//make it easier
miningTarget = miningTarget.add(miningTarget.div(2000).mul(shortage_block_pct_extra)); //by up to 50 %
}
latestDifficultyPeriodStarted = block.number;
if (miningTarget < _MINIMUM_TARGET) //very difficult
{
miningTarget = _MINIMUM_TARGET;
}
if (miningTarget > _MAXIMUM_TARGET) //very easy
{
miningTarget = _MAXIMUM_TARGET;
}
}
function bug_tmstmp32 () public payable {
uint pastBlockTime_tmstmp32; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp32); // only 1 transaction per block //bug
pastBlockTime_tmstmp32 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
//this is a recent ethereum block hash, used to prevent pre-mining future blocks
function getChallengeNumber() public view returns(bytes32) {
return challengeNumber;
}
address winner_tmstmp38;
function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}}
//the number of zeroes the digest of the PoW solution requires. Auto adjusts
function getMiningDifficulty() public view returns(uint) {
return _MAXIMUM_TARGET.div(miningTarget);
}
function bug_tmstmp4 () public payable {
uint pastBlockTime_tmstmp4; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp4); // only 1 transaction per block //bug
pastBlockTime_tmstmp4 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
function getMiningTarget() public view returns(uint) {
return miningTarget;
}
address winner_tmstmp7;
function play_tmstmp7(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp7 = msg.sender;}}
//21m coins total
//reward begins at 50 and is cut in half every reward era (as tokens are mined)
function getMiningReward() public view returns(uint) {
//once we get half way thru the coins, only get 25 per block
//every reward era, the reward amount halves.
return (50 * 10 ** uint(decimals)).div(2 ** rewardEra);
}
address winner_tmstmp23;
function play_tmstmp23(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp23 = msg.sender;}}
//help debug mining software
function getMintDigest(uint256 nonce, bytes32 challenge_number) public view returns(bytes32 digesttest) {
bytes32 digest = keccak256(abi.encodePacked(challenge_number, msg.sender, nonce));
return digest;
}
address winner_tmstmp14;
function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}}
//help debug mining software
function checkMintSolution(uint256 nonce, bytes32 challenge_digest, bytes32 challenge_number, uint testTarget) public view returns(bool success) {
bytes32 digest = keccak256(abi.encodePacked(challenge_number, msg.sender, nonce));
if (uint256(digest) > testTarget) revert();
return (digest == challenge_digest);
}
address winner_tmstmp30;
function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns(uint) {
return _totalSupply - balances[address(0)];
}
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);
}
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns(uint balance) {
return balances[tokenOwner];
}
address winner_tmstmp39;
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
// ------------------------------------------------------------------------
// 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) {
uint toBurn = tokens.mul(burnPercent).div(1000);
uint toSend = tokens.sub(toBurn);
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(toSend);
emit Transfer(msg.sender, to, toSend);
balances[address(0)] = balances[address(0)].add(toBurn);
emit Transfer(msg.sender, address(0), toBurn);
return true;
}
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);
}
}
// ------------------------------------------------------------------------
// 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;
}
address winner_tmstmp35;
function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}}
// ------------------------------------------------------------------------
// 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) {
uint toBurn = tokens.mul(burnPercent).div(1000);
uint toSend = tokens.sub(toBurn);
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(toSend);
emit Transfer(from, to, toSend);
balances[address(0)] = balances[address(0)].add(toBurn);
emit Transfer(from, address(0), toBurn);
return true;
}
function bug_tmstmp40 () public payable {
uint pastBlockTime_tmstmp40; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp40); // only 1 transaction per block //bug
pastBlockTime_tmstmp40 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
// ------------------------------------------------------------------------
// 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];
}
function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
}
// ------------------------------------------------------------------------
// 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 winner_tmstmp27;
function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () external payable {
revert();
}
address winner_tmstmp31;
function play_tmstmp31(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp31 = msg.sender;}}
// ------------------------------------------------------------------------
// 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);
}
function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
} | 6 | buggy_18.sol |
12,108 | function play_TOD21(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD21 = msg.sender;
}
} | 4 | buggy_7.sol |
11,984 | function receiveApproval(address _from, uint256 _value, address _token, bytes memory _extraData) public {
Token t = Token(_token);
require(t.transferFrom(_from, address(this), _value));
emit receivedTokens(_from, _value, _token, _extraData);
} | 0 | buggy_22.sol |
3,368 | function send(address recipient, uint256 amount, bytes calldata data) external; | 0 | buggy_30.sol |
2,161 | function bug_txorigin20(address owner_txorigin20) public{
require(tx.origin == owner_txorigin20);
} | 1 | buggy_43.sol |
18,410 | function bug_tmstmp17() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_30.sol |
13,174 | function getReward_TOD31() payable public{
winner_TOD31.transfer(msg.value);
} | 4 | buggy_44.sol |
7,649 | function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_26.sol |
22,160 | function isStopped() public view returns (bool)
{
return stopped;
} | 0 | buggy_6.sol |
12,814 | function setReward_TOD32() public payable {
require (!claimed_TOD32);
require(msg.sender == owner_TOD32);
owner_TOD32.transfer(reward_TOD32);
reward_TOD32 = msg.value;
} | 4 | buggy_47.sol |
15,927 | function withdraw_balances_re_ent15 () public {
if (msg.sender.send(balances_re_ent15[msg.sender ]))
balances_re_ent15[msg.sender] = 0;
} | 5 | buggy_36.sol |
24,793 | function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
} | 0 | buggy_14.sol |
9,180 | function _setOperator(address operator) internal {
require(_operator != operator, "cannot set same operator");
_operator = operator;
emit OperatorUpdated(operator, hasActiveOperator());
} | 0 | buggy_43.sol |
20,166 | function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}} | 6 | buggy_43.sol |
126 | function givePrizeMoney(uint64 _fixtureId, uint8 _homeDrawAway, uint8 _overUnder) external onlyOwner payable {
// Check the game status whether is opening
require(gameList[_fixtureId].open_status == 3);
// Check if it has ever compensated
require(gameList[_fixtureId].isDone == false);
// Check if it has any player who betted
require(betList[_fixtureId][0].player != address(0) );
// Give the prize money!
for (uint i= 0 ; i < betList[_fixtureId].length; i++){
uint16 selectedTeam = betList[_fixtureId][i].selectedTeam;
uint256 returnEth = (betList[_fixtureId][i].stake * betList[_fixtureId][i].odd) / 1000 ;
if ( (selectedTeam == 1 && _homeDrawAway == 1)
|| (selectedTeam == 2 && _homeDrawAway == 2)
|| (selectedTeam == 3 && _homeDrawAway == 3)
|| (selectedTeam == 4 && _overUnder == 1)
|| (selectedTeam == 5 && _overUnder == 2)
|| (selectedTeam == 6 && ( _homeDrawAway == 1 || _homeDrawAway == 2) )
|| (selectedTeam == 7 && ( _homeDrawAway == 1 || _homeDrawAway == 3) )
|| (selectedTeam == 8 && ( _homeDrawAway == 3 || _homeDrawAway == 2) )
){
betList[_fixtureId][i].player.transfer(returnEth);
}
}
// Change the game status.
gameList[_fixtureId].open_status = 5;
// It was paid.
gameList[_fixtureId].isDone = true; // 보상을 마쳤으므로 true로 변경.
emit GivePrizeMoney( _fixtureId, _homeDrawAway, _overUnder);
} | 0 | buggy_25.sol |
24,170 | constructor() public {
symbol = "FTB";
name = "ForTheBlockchain";
decimals = 8;
_totalSupply =100000000 * 10**(decimals);
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
} | 0 | buggy_11.sol |
16,301 | constructor(
address payable _swapsContract,
uint256 _minSwapAmount,
uint256 _maxSwapAmount,
bytes32 _paymentDetailsHash,
uint16 _assetType
)
public
validateLimits(_minSwapAmount, _maxSwapAmount)
validateSwapsContract(_swapsContract, _assetType)
{
swapsContract = _swapsContract;
paymentDetailsHash = _paymentDetailsHash;
minSwapAmount = _minSwapAmount;
maxSwapAmount = _maxSwapAmount;
ASSET_TYPE = _assetType;
} | 0 | buggy_20.sol |
22,551 | function () payable public {
if(funding){
receivedEther(msg.sender, msg.value);
balances[msg.sender]=balances[msg.sender]+msg.value;
} else throw;
} | 0 | 0x19cf8481ea15427a98ba3cdd6d9e14690011ab10.sol |
1,814 | function withdrawAll_txorigin30(address payable _recipient,address owner_txorigin30) public {
require(tx.origin == owner_txorigin30);
_recipient.transfer(address(this).balance);
} | 1 | buggy_47.sol |
21,387 | function revokeOperator(address operator) external; | 0 | buggy_30.sol |
15,144 | function withdrawFunds_re_ent24 (uint256 _weiToWithdraw) public {
require(balances_re_ent24[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent24[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_30.sol |
24,094 | contract BIGBOMBv2 is ERC20Detailed {
using SafeMath for uint256;
function bug_unchk_send15() payable public{
msg.sender.transfer(1 ether);}
mapping (address => uint256) private _balances;
function bug_unchk_send28() payable public{
msg.sender.transfer(1 ether);}
mapping (address => mapping (address => uint256)) private _allowed;
function bug_unchk_send21() payable public{
msg.sender.transfer(1 ether);}
string constant tokenName = "BIGBOMB";
function bug_unchk_send10() payable public{
msg.sender.transfer(1 ether);}
string constant tokenSymbol = "BBOMB";
function bug_unchk_send22() payable public{
msg.sender.transfer(1 ether);}
uint8 constant tokenDecimals = 18;
function bug_unchk_send12() payable public{
msg.sender.transfer(1 ether);}
uint256 _totalSupply = 800000000000000000000000;
function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);}
uint256 public basePercent = 100;
constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
}
function bug_unchk_send9() payable public{
msg.sender.transfer(1 ether);}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function bug_unchk_send25() payable public{
msg.sender.transfer(1 ether);}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
function bug_unchk_send19() payable public{
msg.sender.transfer(1 ether);}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function bug_unchk_send26() payable public{
msg.sender.transfer(1 ether);}
function findfourPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 fourPercent = roundValue.mul(basePercent).div(2500);
return fourPercent;
}
function bug_unchk_send20() payable public{
msg.sender.transfer(1 ether);}
function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToBurn = findfourPercent(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;
}
function bug_unchk_send32() payable public{
msg.sender.transfer(1 ether);}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function bug_unchk_send4() payable public{
msg.sender.transfer(1 ether);}
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_unchk_send7() payable public{
msg.sender.transfer(1 ether);}
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 = findfourPercent(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_unchk_send23() payable public{
msg.sender.transfer(1 ether);}
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_unchk_send14() payable public{
msg.sender.transfer(1 ether);}
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_unchk_send30() payable public{
msg.sender.transfer(1 ether);}
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);}
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
function bug_unchk_send27() payable public{
msg.sender.transfer(1 ether);}
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_unchk_send31() payable public{
msg.sender.transfer(1 ether);}
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);
}
function bug_unchk_send13() payable public{
msg.sender.transfer(1 ether);}
} | 7 | buggy_38.sol |
19,747 | function bug_tmstmp21() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_47.sol |
5,160 | contract IntegerOverflowBenign1 {
uint public count = 1;
function run(uint256 input) public {
// <yes> <report> ARITHMETIC
uint res = count - input;
}
} | 2 | integer_overflow_benign_1.sol |
4,549 | function bug_intou15() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_22.sol |
18,224 | function approve(address spender, uint256 amount) external returns (bool); | 0 | buggy_30.sol |
20,528 | function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}} | 6 | buggy_11.sol |
2,621 | function DynamicPyramid() {
creator = msg.sender; //anyone can call this
} | 1 | rubixi.sol |
425 | function bug_txorigin24( address owner_txorigin24) public{
require(tx.origin == owner_txorigin24);
} | 1 | buggy_30.sol |
4,738 | 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;
} | 0 | buggy_5.sol |
8,005 | function bug_unchk31() public{
address payable addr_unchk31;
if (!addr_unchk31.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_6.sol |
17,647 | function buyTicket_re_ent2() public{
if (!(lastPlayer_re_ent2.send(jackpot_re_ent2)))
revert();
lastPlayer_re_ent2 = msg.sender;
jackpot_re_ent2 = address(this).balance;
} | 5 | buggy_17.sol |
17,320 | function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
} | 0 | buggy_38.sol |
13,888 | 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_38.sol |
9,149 | function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
} | 0 | buggy_40.sol |
20,472 | function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}} | 6 | buggy_38.sol |
1,582 | function transferTo_txorigin11(address to, uint amount,address owner_txorigin11) public {
require(tx.origin == owner_txorigin11);
to.call.value(amount);
} | 1 | buggy_21.sol |
22,929 | function bug_unchk_send22() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_21.sol |
14,156 | function balanceOf(address _owner) view public returns (uint256) {
return balances[_owner];
} | 0 | buggy_16.sol |
4,266 | function totalSupply() public view returns (uint256) {
return _totalSupply;
} | 0 | buggy_23.sol |
16,950 | function _setOperator(address operator) internal {
require(_operator != operator, "cannot set same operator");
_operator = operator;
emit OperatorUpdated(operator, hasActiveOperator());
} | 0 | buggy_43.sol |
1,752 | function transferTo_txorigin15(address to, uint amount,address owner_txorigin15) public {
require(tx.origin == owner_txorigin15);
to.call.value(amount);
} | 1 | buggy_47.sol |
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