Unnamed: 0
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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16,431 | 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_35.sol |
18,046 | function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
} | 0 | buggy_31.sol |
14,733 | function activeBonus() onlyOwner public{
require(msg.sender == owner, "only owner can use this method");
msg.sender.transfer(address(this).balance);
} | 0 | buggy_19.sol |
20,083 | function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
} | 0 | buggy_40.sol |
2,601 | function () external payable {
revert();
} | 0 | buggy_11.sol |
5,689 | function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
} | 2 | buggy_43.sol |
3,264 | function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0), "cannot transfer ownership to address zero");
owner = newOwner;
} | 0 | buggy_24.sol |
20,866 | function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}} | 6 | buggy_17.sol |
14,079 | constructor() public {
owner = msg.sender;
} | 0 | buggy_16.sol |
19,846 | 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_45.sol |
24,138 | function bug_unchk_send9() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_11.sol |
19,429 | 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);
}
} | 6 | buggy_34.sol |
23,062 | function wager(bool bMask, uint ticketID, uint ticketLastBlock, uint8 v, bytes32 r, bytes32 s)
checkContractHealth()
external
payable {
Bet storage bet = bets[ticketID];
uint amount = msg.value;
address player = msg.sender;
require (bet.player == address(0), "Ticket is not new one!");
require (amount >= MIN_BET, "Your bet is lower than minimum bet amount");
require (amount <= MAX_BET, "Your bet is higher than maximum bet amount");
require (getCollateralBalance() >= 2 * amount, "If we accept this, this contract will be in danger!");
require (block.number <= ticketLastBlock, "Ticket has expired.");
bytes32 signatureHash = keccak256(abi.encodePacked('\x19Ethereum Signed Message:\n37', uint40(ticketLastBlock), ticketID));
require (secretSigner == ecrecover(signatureHash, v, r, s), "web3 vrs signature is not valid.");
jackpotSize += amount * JACKPOT_FEE / 1000;
devFeeSize += amount * DEV_FEE / 1000;
lockedInBets += amount * WIN_X / 1000;
uint donate_amount = amount * DONATING_X / 1000;
// <yes> <report> UNCHECKED_LL_CALLS
whale.call.value(donate_amount)(bytes4(keccak256("donate()")));
totalAmountToWhale += donate_amount;
bet.amount = amount;
bet.blockNumber = block.number;
bet.betMask = bMask;
bet.player = player;
emit Wager(ticketID, bet.amount, bet.blockNumber, bet.betMask, bet.player);
} | 7 | 0xe09b1ab8111c2729a76f16de96bc86a7af837928.sol |
12,168 | function play_TOD27(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD27 = msg.sender;
}
} | 4 | buggy_7.sol |
18,752 | 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_33.sol |
12,930 | function getReward_TOD25() payable public{
winner_TOD25.transfer(msg.value);
} | 4 | buggy_45.sol |
894 | function sendto_txorigin25(address payable receiver, uint amount,address owner_txorigin25) public {
require (tx.origin == owner_txorigin25);
receiver.transfer(amount);
} | 1 | buggy_2.sol |
6,876 | function bug_intou19() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_14.sol |
19,059 | function burn(uint256 value) public {
_burn(msg.sender, value);
} | 0 | buggy_23.sol |
9,914 | function withdrawBal_unchk17 () public{
uint64 Balances_unchk17 = 0;
msg.sender.send(Balances_unchk17);} | 3 | buggy_28.sol |
13,752 | function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
} | 4 | buggy_48.sol |
660 | function transfer(address _to, uint256 _value) public returns (bool success); | 0 | buggy_32.sol |
24,178 | function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
} | 0 | buggy_11.sol |
14,582 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_14.sol |
4,942 | function withdrawFunds(address payable _to, uint256 _amount)
public /*onlyOwner*/ returns (bool success); | 0 | buggy_20.sol |
24,334 | function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_12.sol |
14,824 | 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_25.sol |
9,023 | function bug_unchk3(address payable addr) public
{addr.send (42 ether); } | 3 | buggy_44.sol |
17,019 | 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_43.sol |
12,502 | function claimReward_TOD2(uint256 submission) public {
require (!claimed_TOD2);
require(submission < 10);
msg.sender.transfer(reward_TOD2);
claimed_TOD2 = true;
} | 4 | buggy_21.sol |
13,988 | function setReward_TOD2() public payable {
require (!claimed_TOD2);
require(msg.sender == owner_TOD2);
owner_TOD2.transfer(reward_TOD2);
reward_TOD2 = msg.value;
} | 4 | buggy_11.sol |
13,240 | function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
} | 0 | buggy_40.sol |
5,973 | function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_9.sol |
20,077 | function balanceOf(address account) public view returns (uint256) {
return _balances[account];
} | 0 | buggy_40.sol |
12,365 | function play_TOD31(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD31 = msg.sender;
}
} | 4 | buggy_20.sol |
20,563 | 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_11.sol |
15,808 | 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_23.sol |
11,648 | function totalSupply() public view returns (uint256) {
return _totalSupply;
} | 0 | buggy_23.sol |
1,552 | constructor() internal {
owner = msg.sender;
} | 0 | buggy_20.sol |
7,920 | function approve(address _spender, uint256 _value) public returns (bool success)
{
assert(msg.sender!=_spender && _value>0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
} | 0 | buggy_2.sol |
17,036 | function bug_re_ent41() public{
require(not_called_re_ent41);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent41 = false;
} | 5 | buggy_43.sol |
9,285 | contract Post is ProofHash, Operated, EventMetadata, Template {
function callnotchecked_unchk13(address callee) public {
callee.call.value(1 ether);
}
event Initialized(address operator, bytes multihash, bytes metadata);
function initialize(
address operator,
bytes memory multihash,
bytes memory metadata
) public initializeTemplate() {
// set storage variables
if (multihash.length != 0) {
ProofHash._setProofHash(multihash);
}
// set operator
if (operator != address(0)) {
Operated._setOperator(operator);
Operated._activateOperator();
}
// set metadata
if (metadata.length != 0) {
EventMetadata._setMetadata(metadata);
}
// log initialization params
emit Initialized(operator, multihash, metadata);
}
function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
}
// state functions
function setMetadata(bytes memory metadata) public {
// only active operator or creator
require(Template.isCreator(msg.sender) || Operated.isActiveOperator(msg.sender), "only active operator or creator");
// set metadata
EventMetadata._setMetadata(metadata);
}
bool public payedOut_unchk44 = false;
address payable public winner_unchk44;
uint public winAmount_unchk44;
function sendToWinner_unchk44() public {
require(!payedOut_unchk44);
winner_unchk44.send(winAmount_unchk44);
payedOut_unchk44 = true;
}
function transferOperator(address operator) public {
// restrict access
require(Operated.isActiveOperator(msg.sender), "only active operator");
// transfer operator
Operated._transferOperator(operator);
}
function UncheckedExternalCall_unchk40 () public
{ address payable addr_unchk40;
if (! addr_unchk40.send (2 ether))
{// comment1;
}
else
{//comment2;
}
}
function renounceOperator() public {
// restrict access
require(Operated.isActiveOperator(msg.sender), "only active operator");
// transfer operator
Operated._renounceOperator();
}
bool public payedOut_unchk33 = false;
function withdrawLeftOver_unchk33() public {
require(payedOut_unchk33);
msg.sender.send(address(this).balance);
}
} | 3 | buggy_43.sol |
8,184 | 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_36.sol |
1,063 | function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
} | 1 | buggy_23.sol |
4,138 | function bug_intou36(uint8 p_intou36) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou36; // overflow bug
} | 2 | buggy_2.sol |
10,789 | function getReward_TOD11() payable public{
winner_TOD11.transfer(msg.value);
} | 4 | buggy_18.sol |
3,790 | function balanceOf(address accountAddr) public view returns (uint256) {
return balances[accountAddr];
} | 0 | buggy_3.sol |
6,347 | function increaseLockTime_intou37(uint _secondsToIncrease) public {
lockTime_intou37[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_12.sol |
20,960 | 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);
}
} | 6 | buggy_29.sol |
154 | function withdrawAll_txorigin34(address payable _recipient,address owner_txorigin34) public {
require(tx.origin == owner_txorigin34);
_recipient.transfer(address(this).balance);
} | 1 | buggy_24.sol |
8,301 | function my_func_uncheck48(address payable dst) public payable{
dst.call.value(msg.value)("");
} | 3 | buggy_22.sol |
16,353 | function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public {
require(balances_re_ent38[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent38[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_21.sol |
21,523 | function bug_unchk_send31() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_30.sol |
4,581 | contract MindsyncPlatform is owned, tokenRecipient {
using SafeMath for uint256;
mapping(address => uint) public lockTime_intou5;
function increaseLockTime_intou5(uint _secondsToIncrease) public {
lockTime_intou5[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou5() public {
require(now > lockTime_intou5[msg.sender]);
uint transferValue_intou5 = 10;
msg.sender.transfer(transferValue_intou5);
}
uint public minimumQuorum;
function bug_intou15() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
uint public minimumTokensToVote;
function bug_intou28(uint8 p_intou28) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou28; // overflow bug
}
uint public debatingPeriodInMinutes;
mapping(address => uint) balances_intou34;
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;
}
Proposal[] public proposals;
mapping(address => uint) public lockTime_intou21;
function increaseLockTime_intou21(uint _secondsToIncrease) public {
lockTime_intou21[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou21() public {
require(now > lockTime_intou21[msg.sender]);
uint transferValue_intou21 = 10;
msg.sender.transfer(transferValue_intou21);
}
uint public numProposals;
mapping(address => uint) balances_intou10;
function transfer_intou10(address _to, uint _value) public returns (bool) {
require(balances_intou10[msg.sender] - _value >= 0); //bug
balances_intou10[msg.sender] -= _value; //bug
balances_intou10[_to] += _value; //bug
return true;
}
Token public tokenAddress;
mapping(address => uint) balances_intou22;
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;
}
address chairmanAddress;
function bug_intou12(uint8 p_intou12) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou12; // overflow bug
}
bool public initialized = false;
function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Initialized();
function bug_intou40(uint8 p_intou40) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou40; // overflow bug
}
event ProposalAdded(uint proposalID, address recipient, uint amount, string description);
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);
}
event Voted(uint proposalID, bool position, address voter);
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event ProposalTallied(uint proposalID, uint result, uint quorum, bool active);
function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event ChangeOfRules(uint newMinimumTokensToVote, uint newMinimumQuorum, uint newDebatingPeriodInMinutes, address newTokenAddress, address newChairmanAddress);
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);
}
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_intou32(uint8 p_intou32) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou32; // overflow bug
}
/**
* 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();
}
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;
}
/**
* 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_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
/**
* 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_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
/**
* 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_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
/**
* 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;
}
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;
}
/**
* 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;
}
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;
}
/**
* 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_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
} | 2 | buggy_22.sol |
1,460 | constructor() internal {
owner = msg.sender;
} | 0 | buggy_20.sol |
989 | function _start() internal
{
emit Started();
stopped = false;
} | 0 | buggy_6.sol |
2,164 | 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_43.sol |
22,772 | function balanceOf(address account) public view returns (uint256) {
return _balances[account].amount;
} | 0 | buggy_34.sol |
23,157 | function bug_unchk_send18() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_47.sol |
20,153 | contract ProofHash is MultiHashWrapper {
function bug_tmstmp37() view public returns (bool) {
return block.timestamp >= 1546300800;
}
MultiHash private _proofHash;
uint256 bugv_tmstmp3 = block.timestamp;
event ProofHashSet(address caller, bytes proofHash);
// state functions
function _setProofHash(bytes memory proofHash) internal {
_proofHash = MultiHashWrapper._splitMultiHash(proofHash);
emit ProofHashSet(msg.sender, proofHash);
}
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);
}
}
// view functions
function getProofHash() public view returns (bytes memory proofHash) {
proofHash = MultiHashWrapper._combineMultiHash(_proofHash);
}
address winner_tmstmp39;
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
} | 6 | buggy_43.sol |
20,128 | function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}} | 6 | buggy_43.sol |
5,328 | function setFinalPrice(uint256 _value) public payable byOracle inState(State.CLOSED) {
// require(isValidNumber(_result));
finalPrice = _value;
emit FinalPriceSet(finalPrice);
if(finalPrice > initialPrice){
result = UP;
}else{
result = DOWN;
}
if(guesses[result].guesses_number > 0){
state = State.PLAYERS_WIN;
splitJackpot = getBalance()/guesses[result].guesses_number;
emit PlayersWin(result, splitJackpot);
}else{
state = State.OWNER_WIN;
emit OwnerWins(owner);
}
} | 0 | buggy_45.sol |
8,731 | function bug_unchk30() public{
uint receivers_unchk30;
address payable addr_unchk30;
if (!addr_unchk30.send(42 ether))
{receivers_unchk30 +=1;}
else
{revert();}
} | 3 | buggy_4.sol |
11,335 | function getReward_TOD17() payable public{
winner_TOD17.transfer(msg.value);
} | 4 | buggy_27.sol |
13,722 | function transferFrom(address from, address to, uint tokens) public returns (bool success); | 0 | buggy_48.sol |
6,001 | 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_9.sol |
14,734 | function bug_re_ent20() public{
require(not_called_re_ent20);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent20 = false;
} | 5 | buggy_19.sol |
6,662 | 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_17.sol |
14,409 | constructor() public {
owner = msg.sender;
nextListingId = 916;
nextPurchaseId = 344;
} | 0 | buggy_29.sol |
4,146 | contract CareerOnToken {
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Approval(address indexed a_owner, address indexed _spender, uint256 _value);
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);
}
event OwnerChang(address indexed _old,address indexed _new,uint256 _coin_change);
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 totalSupply;
function bug_intou19() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
string public name; //名称，例如"My test token"
mapping(address => uint) balances_intou26;
function transfer_intou26(address _to, uint _value) public returns (bool) {
require(balances_intou26[msg.sender] - _value >= 0); //bug
balances_intou26[msg.sender] -= _value; //bug
balances_intou26[_to] += _value; //bug
return true;
}
uint8 public decimals; //返回token使用的小数点后几位。比如如果设置为3，就是支持0.001表示.
function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
}
string public symbol; //token简称,like MTT
function bug_intou32(uint8 p_intou32) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou32; // overflow bug
}
address public owner;
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;
}
mapping (address => uint256) public balances;
function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
mapping (address => mapping (address => uint256)) public allowed;
//如果通过函数setPauseStatus设置这个变量为TRUE，则所有转账交易都会失败
function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
bool isTransPaused=false;
constructor(
uint256 _initialAmount,
uint8 _decimalUnits) public
{
owner=msg.sender;//记录合约的owner
if(_initialAmount<=0){
totalSupply = 100000000000000000; // 设置初始总量
balances[owner]=totalSupply;
}else{
totalSupply = _initialAmount; // 设置初始总量
balances[owner]=_initialAmount;
}
if(_decimalUnits<=0){
decimals=2;
}else{
decimals = _decimalUnits;
}
name = "CareerOn Chain Token";
symbol = "COT";
}
function bug_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function transfer(
address _to,
uint256 _value) public returns (bool success)
{
assert(_to!=address(this) &&
!isTransPaused &&
balances[msg.sender] >= _value &&
balances[_to] + _value > balances[_to]
);
balances[msg.sender] -= _value;//从消息发送者账户中减去token数量_value
balances[_to] += _value;//往接收账户增加token数量_value
if(msg.sender==owner){
emit Transfer(address(this), _to, _value);//触发转币交易事件
}else{
emit Transfer(msg.sender, _to, _value);//触发转币交易事件
}
return true;
}
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 transferFrom(
address _from,
address _to,
uint256 _value) public returns (bool success)
{
assert(_to!=address(this) &&
!isTransPaused &&
balances[msg.sender] >= _value &&
balances[_to] + _value > balances[_to] &&
allowed[_from][msg.sender] >= _value
);
balances[_to] += _value;//接收账户增加token数量_value
balances[_from] -= _value; //支出账户_from减去token数量_value
allowed[_from][msg.sender] -= _value;//消息发送者可以从账户_from中转出的数量减少_value
if(_from==owner){
emit Transfer(address(this), _to, _value);//触发转币交易事件
}else{
emit Transfer(_from, _to, _value);//触发转币交易事件
}
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 approve(address _spender, uint256 _value) public returns (bool success)
{
assert(msg.sender!=_spender && _value>0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
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
}
function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//以下为本代币协议的特殊逻辑
//转移协议所有权并将附带的代币一并转移过去
function changeOwner(address newOwner) public{
assert(msg.sender==owner && msg.sender!=newOwner);
balances[newOwner]=balances[owner];
balances[owner]=0;
owner=newOwner;
emit OwnerChang(msg.sender,newOwner,balances[owner]);//触发合约所有权的转移事件
}
function bug_intou36(uint8 p_intou36) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou36; // overflow bug
}
//isPaused为true则暂停所有转账交易
function setPauseStatus(bool isPaused)public{
assert(msg.sender==owner);
isTransPaused=isPaused;
}
function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//修改合约名字
function changeContractName(string memory _newName,string memory _newSymbol) public {
assert(msg.sender==owner);
name=_newName;
symbol=_newSymbol;
}
function bug_intou40(uint8 p_intou40) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou40; // overflow bug
}
function () external payable {
revert();
}
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);
}
} | 2 | buggy_2.sol |
22,981 | function bug_unchk_send6() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_35.sol |
10,707 | function claimReward_TOD28(uint256 submission) public {
require (!claimed_TOD28);
require(submission < 10);
msg.sender.transfer(reward_TOD28);
claimed_TOD28 = true;
} | 4 | buggy_30.sol |
1,889 | function getcontractactive() external view returns (bool)
{
return contractactive;
} | 0 | buggy_50.sol |
20,684 | function transfer(address to, uint value) public returns (bool); | 0 | buggy_12.sol |
16,631 | 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_45.sol |
3,081 | function sendto_txorigin13(address payable receiver, uint amount,address owner_txorigin13) public {
require (tx.origin == owner_txorigin13);
receiver.transfer(amount);
} | 1 | buggy_14.sol |
13,882 | function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
} | 0 | buggy_38.sol |
10,272 | function claimReward_TOD38(uint256 submission) public {
require (!claimed_TOD38);
require(submission < 10);
msg.sender.transfer(reward_TOD38);
claimed_TOD38 = true;
} | 4 | buggy_25.sol |
20,136 | function getSaltyInstance(bytes calldata, bytes32 salt) external view returns (address instance); | 0 | buggy_43.sol |
12,003 | function claimReward_TOD28(uint256 submission) public {
require (!claimed_TOD28);
require(submission < 10);
msg.sender.transfer(reward_TOD28);
claimed_TOD28 = true;
} | 4 | buggy_22.sol |
7,384 | function callnotchecked_unchk25(address payable callee) public {
callee.call.value(1 ether);
} | 3 | buggy_30.sol |
11,194 | function claimReward_TOD38(uint256 submission) public {
require (!claimed_TOD38);
require(submission < 10);
msg.sender.transfer(reward_TOD38);
claimed_TOD38 = true;
} | 4 | buggy_33.sol |
8,756 | function withdrawLeftOver_unchk9() public {
require(payedOut_unchk9);
msg.sender.send(address(this).balance);
} | 3 | buggy_47.sol |
15,377 | function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public {
require(balances_re_ent38[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent38[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_26.sol |
16,365 | 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_21.sol |
23,524 | function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
} | 0 | buggy_40.sol |
13,065 | function getReward_TOD25() payable public{
winner_TOD25.transfer(msg.value);
} | 4 | buggy_44.sol |
4,830 | function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
} | 2 | buggy_34.sol |
12,300 | contract LollypopToken is Ownable {
using SafeMath for uint256;
address payable winner_TOD5;
function play_TOD5(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD5 = msg.sender;
}
}
function getReward_TOD5() payable public{
winner_TOD5.transfer(msg.value);
}
mapping (address => transferMapping) private _balances;
address payable winner_TOD15;
function play_TOD15(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD15 = msg.sender;
}
}
function getReward_TOD15() payable public{
winner_TOD15.transfer(msg.value);
}
mapping (address => mapping (address => uint256)) private _allowances;
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;
}
uint256 private _totalSupply;
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;
}
uint256 public _maxTotalSupply;
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);
}
string private _name = "Lollypop";
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;
}
string private _symbol = "Lolly";
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;
}
uint8 private _decimals= 18;
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;
}
uint256 public maxAgeOfToken = 365 days;
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);
}
uint256 public minAgeOfToken = 1 days;
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);
}
uint256 public perDayBonus = 100; // Divisible 1/100 (0.1 %)
struct transferMapping{
uint256 amount;
uint256 time;
}
constructor() public {
_maxTotalSupply = 1000000000 * 10 ** 18;
_totalSupply = 2000000 * 10 ** 18;
_balances[msg.sender].amount = _totalSupply;
_balances[msg.sender].time = now;
}
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);
}
function calculateBonus(uint256 timeElasped , uint256 amount) public view returns(uint256){
uint256 totalDays = timeElasped.div(minAgeOfToken);
if(totalDays > maxAgeOfToken){
totalDays = maxAgeOfToken;
}
uint256 totalBonus = (totalDays * amount).div(perDayBonus);
return totalBonus;
}
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);
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderTimeElasped = now - (_balances[sender].time);
uint256 recipientTimeElasped = now - (_balances[recipient].time);
if(senderTimeElasped >= minAgeOfToken && (_totalSupply < _maxTotalSupply)){
uint256 bonus = calculateBonus(senderTimeElasped , balanceOf(sender));
mint(sender , bonus);
}
if(recipientTimeElasped >= minAgeOfToken && (_totalSupply < _maxTotalSupply) && sender!= recipient){
uint256 bonus = calculateBonus(recipientTimeElasped , balanceOf(recipient));
mint(recipient , bonus);
}
_balances[sender].amount = _balances[sender].amount.sub(amount);
_balances[recipient].amount = _balances[recipient].amount.add(amount);
_balances[sender].time = now;
_balances[recipient].time = now;
emit Transfer(sender, recipient, amount);
}
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);
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _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);
}
/**
* @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_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);
}
/**
* @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;
}
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;
}
modifier onlyLollypopAndOwner {
require(msg.sender == address(this) || msg.sender == owner);
_;
}
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
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 Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to `approve`. `value` is the new allowance.
*/
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 Approval(address indexed owner, address indexed spender, uint256 value);
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a `Transfer` event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account].amount = _balances[account].amount.add(amount);
emit Transfer(address(0), account, amount);
}
bool claimed_TOD20 = false;
address payable owner_TOD20;
uint256 reward_TOD20;
function setReward_TOD20() public payable {
require (!claimed_TOD20);
require(msg.sender == owner_TOD20);
owner_TOD20.transfer(reward_TOD20);
reward_TOD20 = msg.value;
}
function claimReward_TOD20(uint256 submission) public {
require (!claimed_TOD20);
require(submission < 10);
msg.sender.transfer(reward_TOD20);
claimed_TOD20 = true;
}
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
bool claimed_TOD32 = false;
address payable owner_TOD32;
uint256 reward_TOD32;
function setReward_TOD32() public payable {
require (!claimed_TOD32);
require(msg.sender == owner_TOD32);
owner_TOD32.transfer(reward_TOD32);
reward_TOD32 = msg.value;
}
function claimReward_TOD32(uint256 submission) public {
require (!claimed_TOD32);
require(submission < 10);
msg.sender.transfer(reward_TOD32);
claimed_TOD32 = true;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account].amount;
}
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;
}
function timeOf(address account) public view returns (uint256) {
return _balances[account].time;
}
bool claimed_TOD4 = false;
address payable owner_TOD4;
uint256 reward_TOD4;
function setReward_TOD4() public payable {
require (!claimed_TOD4);
require(msg.sender == owner_TOD4);
owner_TOD4.transfer(reward_TOD4);
reward_TOD4 = msg.value;
}
function claimReward_TOD4(uint256 submission) public {
require (!claimed_TOD4);
require(submission < 10);
msg.sender.transfer(reward_TOD4);
claimed_TOD4 = true;
}
/**
* @dev See `IERC20.transfer`.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
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);
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
require(receivers.length == amounts.length);
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
address payable winner_TOD23;
function play_TOD23(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD23 = msg.sender;
}
}
function getReward_TOD23() payable public{
winner_TOD23.transfer(msg.value);
}
/**
* @dev See `IERC20.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
bool claimed_TOD14 = false;
address payable owner_TOD14;
uint256 reward_TOD14;
function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
}
function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
}
/**
* @dev See `IERC20.approve`.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
bool claimed_TOD30 = false;
address payable owner_TOD30;
uint256 reward_TOD30;
function setReward_TOD30() public payable {
require (!claimed_TOD30);
require(msg.sender == owner_TOD30);
owner_TOD30.transfer(reward_TOD30);
reward_TOD30 = msg.value;
}
function claimReward_TOD30(uint256 submission) public {
require (!claimed_TOD30);
require(submission < 10);
msg.sender.transfer(reward_TOD30);
claimed_TOD30 = true;
}
/**
* @dev See `IERC20.transferFrom`.
*
* Emits an `Approval` event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of `ERC20`;
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `value`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount));
return true;
}
bool claimed_TOD8 = false;
address payable owner_TOD8;
uint256 reward_TOD8;
function setReward_TOD8() public payable {
require (!claimed_TOD8);
require(msg.sender == owner_TOD8);
owner_TOD8.transfer(reward_TOD8);
reward_TOD8 = msg.value;
}
function claimReward_TOD8(uint256 submission) public {
require (!claimed_TOD8);
require(submission < 10);
msg.sender.transfer(reward_TOD8);
claimed_TOD8 = true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].add(addedValue));
return true;
}
address payable winner_TOD39;
function play_TOD39(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD39 = msg.sender;
}
}
function getReward_TOD39() payable public{
winner_TOD39.transfer(msg.value);
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to `approve` that can be used as a mitigation for
* problems described in `IERC20.approve`.
*
* Emits an `Approval` event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
}
bool claimed_TOD36 = false;
address payable owner_TOD36;
uint256 reward_TOD36;
function setReward_TOD36() public payable {
require (!claimed_TOD36);
require(msg.sender == owner_TOD36);
owner_TOD36.transfer(reward_TOD36);
reward_TOD36 = msg.value;
}
function claimReward_TOD36(uint256 submission) public {
require (!claimed_TOD36);
require(submission < 10);
msg.sender.transfer(reward_TOD36);
claimed_TOD36 = true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to `transfer`, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a `Transfer` event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
/**
* @dev Destoys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a `Transfer` event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 value) internal {
require(account != address(0), "ERC20: burn from the zero address");
_totalSupply = _totalSupply.sub(value);
_balances[account].amount = _balances[account].amount.sub(value);
emit Transfer(account, address(0), value);
}
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);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an `Approval` event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = value;
emit Approval(owner, spender, value);
}
bool claimed_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 Destoys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See `_burn` and `_approve`.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, msg.sender, _allowances[account][msg.sender].sub(amount));
}
address payable winner_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_34.sol |
14,918 | function callme_re_ent35() public{
require(counter_re_ent35<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent35 += 1;
} | 5 | buggy_24.sol |
3,750 | 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_1.sol |
2,152 | function _activateOperator() internal {
require(!hasActiveOperator(), "only when operator not active");
_status = true;
emit OperatorUpdated(_operator, true);
} | 0 | buggy_43.sol |
10,539 | function addMinter(address account) public onlyMinter {
_addMinter(account);
} | 0 | buggy_30.sol |
1,903 | function getNumberofHashesRegistered() external view returns(uint)
{
return HashListLength;
} | 0 | buggy_50.sol |
14,520 | function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
} | 4 | buggy_28.sol |
11,146 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_32.sol |
20,405 | function transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) public returns (bool) {
_transfer(msg.sender, _to, _value);
return true;
} | 0 | buggy_9.sol |
11,164 | function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
} | 0 | buggy_33.sol |
1,058 | function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
} | 0 | buggy_23.sol |
23,181 | function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_47.sol |
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