Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
47
|
|---|---|---|---|
18,995 | function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_23.sol |
4,179 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_6.sol |
7,666 | function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_32.sol |
3,406 | function _mint(
address operator,
address account,
uint256 amount,
bytes memory userData,
bytes memory operatorData
)
internal
{
require(account != address(0), "ERC777: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
_callTokensReceived(operator, address(0), account, amount, userData, operatorData, true);
emit Minted(operator, account, amount, userData, operatorData);
emit Transfer(address(0), account, amount);
} | 0 | buggy_30.sol |
6,288 | function increaseLockTime_intou17(uint _secondsToIncrease) public {
lockTime_intou17[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_8.sol |
7,378 | function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_30.sol |
18,973 | function updateChannel(string calldata from, string calldata to, address _address) external onlyMaster onlyWhenNotStopped
{
require(bytes(from).length > 0);
require(bytes(to).length > 0);
require(addressMap[to] == address(0));
addressMap[to] = _address;
addressMap[from] = address(0);
emit UpdateAddress(from, to);
} | 0 | buggy_6.sol |
10,705 | function approve(address spender, uint256 value) external returns (bool) {
address holder = msg.sender;
_approve(holder, spender, value);
return true;
} | 0 | buggy_30.sol |
21,055 | 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_28.sol |
15,636 | contract DanPanCoin is ERC20Detailed , Ownable{
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping(address => uint) redeemableEther_re_ent18;
function claimReward_re_ent18() public {
// ensure there is a reward to give
require(redeemableEther_re_ent18[msg.sender] > 0);
uint transferValue_re_ent18 = redeemableEther_re_ent18[msg.sender];
msg.sender.transfer(transferValue_re_ent18); //bug
redeemableEther_re_ent18[msg.sender] = 0;
}
mapping (address => mapping (address => uint256)) private _allowed;
mapping(address => uint) balances_re_ent29;
function withdraw_balances_re_ent29 () public {
if (msg.sender.send(balances_re_ent29[msg.sender ]))
balances_re_ent29[msg.sender] = 0;
}
string constant tokenName = "Dan Pan Coin";
bool not_called_re_ent6 = true;
function bug_re_ent6() public{
require(not_called_re_ent6);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent6 = false;
}
string constant tokenSymbol = "DPC";
address payable lastPlayer_re_ent16;
uint jackpot_re_ent16;
function buyTicket_re_ent16() public{
if (!(lastPlayer_re_ent16.send(jackpot_re_ent16)))
revert();
lastPlayer_re_ent16 = msg.sender;
jackpot_re_ent16 = address(this).balance;
}
uint8 constant tokenDecimals = 2;
mapping(address => uint) balances_re_ent24;
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;
}
uint256 _totalSupply = 10000000000;
mapping(address => uint) userBalance_re_ent5;
function withdrawBalance_re_ent5() public{
// send userBalance[msg.sender] ethers to msg.sender
// if mgs.sender is a contract, it will call its fallback function
if( ! (msg.sender.send(userBalance_re_ent5[msg.sender]) ) ){
revert();
}
userBalance_re_ent5[msg.sender] = 0;
}
uint256 public basePercent = 100;
mapping(address => uint) balances_re_ent15;
function withdraw_balances_re_ent15 () public {
if (msg.sender.send(balances_re_ent15[msg.sender ]))
balances_re_ent15[msg.sender] = 0;
}
uint256 public dpPercent = 5;
uint256 counter_re_ent28 =0;
function callme_re_ent28() public{
require(counter_re_ent28<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent28 += 1;
}
address public DanPanAddress = msg.sender;
mapping(address => uint) userBalance_re_ent33;
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;
}
event DanPanPercentChanged(uint256 previousDanPanPercent, uint256 newDanPanPercent);
bool not_called_re_ent27 = true;
function bug_re_ent27() public{
require(not_called_re_ent27);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent27 = false;
}
event DanPanAddressChanged(address indexed previousDanPan, address indexed newDanPan);
mapping(address => uint) balances_re_ent31;
function withdrawFunds_re_ent31 (uint256 _weiToWithdraw) public {
require(balances_re_ent31[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent31[msg.sender] -= _weiToWithdraw;
}
event WhitelistFrom(address _addr, bool _whitelisted);
bool not_called_re_ent13 = true;
function bug_re_ent13() public{
require(not_called_re_ent13);
(bool success,)=msg.sender.call.value(1 ether)("");
if( ! success ){
revert();
}
not_called_re_ent13 = false;
}
event WhitelistTo(address _addr, bool _whitelisted);
// fee whitelist
bool not_called_re_ent34 = true;
function bug_re_ent34() public{
require(not_called_re_ent34);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent34 = false;
}
mapping(address => bool) public whitelistFrom;
uint256 counter_re_ent21 =0;
function callme_re_ent21() public{
require(counter_re_ent21<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent21 += 1;
}
mapping(address => bool) public whitelistTo;
constructor() public ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
}
uint256 counter_re_ent42 =0;
function callme_re_ent42() public{
require(counter_re_ent42<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent42 += 1;
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
address payable lastPlayer_re_ent2;
uint jackpot_re_ent2;
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;
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
mapping(address => uint) balances_re_ent17;
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;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
address payable lastPlayer_re_ent37;
uint jackpot_re_ent37;
function buyTicket_re_ent37() public{
if (!(lastPlayer_re_ent37.send(jackpot_re_ent37)))
revert();
lastPlayer_re_ent37 = msg.sender;
jackpot_re_ent37 = address(this).balance;
}
function findOnePercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 onePercent = roundValue.mul(basePercent).div(10000);
return onePercent;
}
mapping(address => uint) balances_re_ent3;
function withdrawFunds_re_ent3 (uint256 _weiToWithdraw) public {
require(balances_re_ent3[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
(bool success,)= msg.sender.call.value(_weiToWithdraw)("");
require(success); //bug
balances_re_ent3[msg.sender] -= _weiToWithdraw;
}
function findDPPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 DPPercent = roundValue.mul(basePercent).div(10000).mul(dpPercent);
return DPPercent;
}
address payable lastPlayer_re_ent9;
uint jackpot_re_ent9;
function buyTicket_re_ent9() public{
(bool success,) = lastPlayer_re_ent9.call.value(jackpot_re_ent9)("");
if (!success)
revert();
lastPlayer_re_ent9 = msg.sender;
jackpot_re_ent9 = address(this).balance;
}
function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
// If transfer amount is zero
// emit event and stop execution
if (value == 0) {
emit Transfer(msg.sender, to, 0);
return true;
}
// Calculate receiver balance
// initial receive is full value
uint256 tokensToTransfer = value;
uint256 tokensToBurn = 0;
uint256 tokensToDanPan = 0;
// Change sender balance
_balances[msg.sender] = _balances[msg.sender].sub(value);
// If the transaction is not whitelisted
// calculate fees
if (!_isWhitelisted(msg.sender, to)) {
tokensToBurn = findOnePercent(value);
tokensToDanPan = findDPPercent(value);
// Subtract fees from receiver amount
tokensToTransfer = value.sub(tokensToBurn).sub(tokensToDanPan);
// Burn tokens
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(msg.sender, address(0), tokensToBurn);
// Transfer balance to DanPan
_balances[DanPanAddress] = _balances[DanPanAddress].add(tokensToDanPan);
emit Transfer(msg.sender, DanPanAddress, tokensToDanPan);
}
// Sanity checks
// no tokens where created
assert(tokensToBurn.add(tokensToTransfer).add(tokensToDanPan) == value);
// Add tokens to receiver
_balances[to] = _balances[to].add(tokensToTransfer);
emit Transfer(msg.sender, to, tokensToTransfer);
return true;
}
mapping(address => uint) redeemableEther_re_ent25;
function claimReward_re_ent25() public {
// ensure there is a reward to give
require(redeemableEther_re_ent25[msg.sender] > 0);
uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender];
msg.sender.transfer(transferValue_re_ent25); //bug
redeemableEther_re_ent25[msg.sender] = 0;
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
mapping(address => uint) userBalance_re_ent19;
function withdrawBalance_re_ent19() public{
// send userBalance[msg.sender] ethers to msg.sender
// if mgs.sender is a contract, it will call its fallback function
if( ! (msg.sender.send(userBalance_re_ent19[msg.sender]) ) ){
revert();
}
userBalance_re_ent19[msg.sender] = 0;
}
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;
}
mapping(address => uint) userBalance_re_ent26;
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;
}
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));
// If transfer amount is zero
// emit event and stop execution
if (value == 0) {
emit Transfer(from, to, 0);
return true;
}
// Calculate receiver balance
// initial receive is full value
uint256 tokensToTransfer = value;
uint256 tokensToBurn = 0;
uint256 tokensToDanPan = 0;
// Change sender balance
_balances[from] = _balances[from].sub(value);
// If the transaction is not whitelisted
// calculate fees
if (!_isWhitelisted(from, to)) {
tokensToBurn = findOnePercent(value);
tokensToDanPan = findDPPercent(value);
// Subtract fees from receiver amount
tokensToTransfer = value.sub(tokensToBurn).sub(tokensToDanPan);
// Burn tokens
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(from, address(0), tokensToBurn);
// Transfer balance to DanPan
_balances[DanPanAddress] = _balances[DanPanAddress].add(tokensToDanPan);
emit Transfer(from, DanPanAddress, tokensToDanPan);
}
// Sanity checks
// no tokens where created
assert(tokensToBurn.add(tokensToTransfer).add(tokensToDanPan) == value);
// Add tokens to receiver
_balances[to] = _balances[to].add(tokensToTransfer);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
return true;
}
bool not_called_re_ent20 = true;
function bug_re_ent20() public{
require(not_called_re_ent20);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent20 = false;
}
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;
}
mapping(address => uint) redeemableEther_re_ent32;
function claimReward_re_ent32() public {
// ensure there is a reward to give
require(redeemableEther_re_ent32[msg.sender] > 0);
uint transferValue_re_ent32 = redeemableEther_re_ent32[msg.sender];
msg.sender.transfer(transferValue_re_ent32); //bug
redeemableEther_re_ent32[msg.sender] = 0;
}
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;
}
mapping(address => uint) balances_re_ent38;
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;
}
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
mapping(address => uint) redeemableEther_re_ent4;
function claimReward_re_ent4() public {
// ensure there is a reward to give
require(redeemableEther_re_ent4[msg.sender] > 0);
uint transferValue_re_ent4 = redeemableEther_re_ent4[msg.sender];
msg.sender.transfer(transferValue_re_ent4); //bug
redeemableEther_re_ent4[msg.sender] = 0;
}
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
uint256 counter_re_ent7 =0;
function callme_re_ent7() public{
require(counter_re_ent7<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent7 += 1;
}
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);
}
address payable lastPlayer_re_ent23;
uint jackpot_re_ent23;
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;
}
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);
}
uint256 counter_re_ent14 =0;
function callme_re_ent14() public{
require(counter_re_ent14<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent14 += 1;
}
function NewDanPanAddress(address newDanPanaddress) external onlyOwner {
require(newDanPanaddress != address(0));
emit DanPanAddressChanged(DanPanAddress, newDanPanaddress);
DanPanAddress = newDanPanaddress;
}
address payable lastPlayer_re_ent30;
uint jackpot_re_ent30;
function buyTicket_re_ent30() public{
if (!(lastPlayer_re_ent30.send(jackpot_re_ent30)))
revert();
lastPlayer_re_ent30 = msg.sender;
jackpot_re_ent30 = address(this).balance;
}
function NewDanPanPercent(uint256 newDanPanpercent) external onlyOwner {
emit DanPanPercentChanged(dpPercent, newDanPanpercent);
dpPercent = newDanPanpercent;
}
mapping(address => uint) balances_re_ent8;
function withdraw_balances_re_ent8 () public {
(bool success,) = msg.sender.call.value(balances_re_ent8[msg.sender ])("");
if (success)
balances_re_ent8[msg.sender] = 0;
}
function _isWhitelisted(address _from, address _to) internal view returns (bool) {
return whitelistFrom[_from]||whitelistTo[_to];
}
mapping(address => uint) redeemableEther_re_ent39;
function claimReward_re_ent39() public {
// ensure there is a reward to give
require(redeemableEther_re_ent39[msg.sender] > 0);
uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender];
msg.sender.transfer(transferValue_re_ent39); //bug
redeemableEther_re_ent39[msg.sender] = 0;
}
function setWhitelistedTo(address _addr, bool _whitelisted) external onlyOwner {
emit WhitelistTo(_addr, _whitelisted);
whitelistTo[_addr] = _whitelisted;
}
mapping(address => uint) balances_re_ent36;
function withdraw_balances_re_ent36 () public {
if (msg.sender.send(balances_re_ent36[msg.sender ]))
balances_re_ent36[msg.sender] = 0;
}
function setWhitelistedFrom(address _addr, bool _whitelisted) external onlyOwner {
emit WhitelistFrom(_addr, _whitelisted);
whitelistFrom[_addr] = _whitelisted;
}
uint256 counter_re_ent35 =0;
function callme_re_ent35() public{
require(counter_re_ent35<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent35 += 1;
}
} | 5 | buggy_27.sol |
11,693 | function burn(uint256 value) public {
_burn(msg.sender, value);
} | 0 | buggy_23.sol |
22,739 | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
} | 0 | buggy_34.sol |
6,302 | function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
} | 2 | buggy_8.sol |
295 | function transferFrom(address holder, address recipient, uint256 amount) external returns (bool) {
require(recipient != address(0), "ERC777: transfer to the zero address");
require(holder != address(0), "ERC777: transfer from the zero address");
address spender = msg.sender;
_callTokensToSend(spender, holder, recipient, amount, "", "");
_move(spender, holder, recipient, amount, "", "");
_approve(holder, spender, _allowances[holder][spender].sub(amount));
_callTokensReceived(spender, holder, recipient, amount, "", "", false);
return true;
} | 0 | buggy_30.sol |
7,329 | function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_30.sol |
1,699 | function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
} | 1 | buggy_4.sol |
17,865 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_14.sol |
6,023 | function balanceOf(address who) external view returns (uint256); | 0 | buggy_38.sol |
10,295 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
} | 0 | buggy_24.sol |
830 | function bug_txorigin16(address owner_txorigin16) public{
require(tx.origin == owner_txorigin16);
} | 1 | buggy_27.sol |
20,347 | contract QurasToken is ERC20Interface, Owned { //SafeMath -> using SafeMath for uint; : compiler version up
using SafeMath for uint;
function bug_tmstmp1() view public returns (bool) {
return block.timestamp >= 1546300800;
}
string public symbol;
address winner_tmstmp2;
function play_tmstmp2(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp2 = msg.sender;}}
string public name;
function bug_tmstmp17() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint8 public decimals;
function bug_tmstmp37() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint _totalSupply; //unit public -> uint : compiler version up
address winner_tmstmp3;
function play_tmstmp3(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp3 = msg.sender;}}
mapping(address => uint) balances;
function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public { //function -> constructor : compiler version up
symbol = "XQC";
name = "Quras Token";
decimals = 8;
_totalSupply = 88888888800000000;
balances[owner] = _totalSupply; //direct address -> owner : compiler version up
emit Transfer(address(0), owner, _totalSupply); //add emit, direct address -> owner : compiler version up
}
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) { //constant -> view : compiler version up
return _totalSupply.sub(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) { //constant -> view : compiler version up
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) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens); //add emit : compiler version up
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);
}
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
address winner_tmstmp35;
function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
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);
}
}
// ------------------------------------------------------------------------
// 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); //add emit : compiler version up
return true;
}
function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens); //add emit : compiler version up
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;}}
// ------------------------------------------------------------------------
// 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) { //constant -> view : compiler version up
return allowed[tokenOwner][spender];
}
address winner_tmstmp31;
function play_tmstmp31(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp31 = msg.sender;}}
// ------------------------------------------------------------------------
// 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); //add emit : compiler version up
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data);
return true;
}
function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
// ------------------------------------------------------------------------
// 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);
}
uint256 bugv_tmstmp5 = block.timestamp;
} | 6 | buggy_48.sol |
3,389 | function increaseLockTime_intou29(uint _secondsToIncrease) public {
lockTime_intou29[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_30.sol |
3,923 | function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_32.sol |
12,545 | function cancelOrder(uint256 orderid)internal returns(bool){
if(Order[orderid].status==1){
if(Order[orderid].type_ == 0){
userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress]=userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress].add(Order[orderid].tradeTotal);
}
else{
userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress]=userDetails[ Order[orderid].userAddress][Order[orderid].tokenAddress].add(Order[orderid].tradeAmount);
}
Order[orderid].status=3; // cancelled
}
return true;
} | 0 | buggy_21.sol |
7,026 | function withdrawLeftOver_unchk45() public {
require(payedOut_unchk45);
msg.sender.send(address(this).balance);
} | 3 | buggy_19.sol |
17,615 | constructor() public {
owner = msg.sender;
} | 0 | buggy_17.sol |
14,634 | function setReward_TOD26() public payable {
require (!claimed_TOD26);
require(msg.sender == owner_TOD26);
owner_TOD26.transfer(reward_TOD26);
reward_TOD26 = msg.value;
} | 4 | buggy_14.sol |
15,968 | function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
} | 0 | buggy_36.sol |
14,618 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_14.sol |
4,900 | function bug_intou12(uint8 p_intou12) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou12; // overflow bug
} | 2 | buggy_20.sol |
11,089 | function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
} | 0 | buggy_32.sol |
6,199 | function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_11.sol |
19,865 | constructor() public
{
manager = msg.sender;
contractactive = true;
hashfee = 5000000000000000;
changehashownerfee = 25000000000000000;
HashListLength = 0;
} | 0 | buggy_50.sol |
9,839 | function transferFrom(address from, address to, uint tokens) public returns (bool success); | 0 | buggy_29.sol |
24,217 | function bug_unchk_send28() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_8.sol |
11,229 | function play_TOD35(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD35 = msg.sender;
}
} | 4 | buggy_33.sol |
20,509 | function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}} | 6 | buggy_11.sol |
17,723 | 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_15.sol |
15,739 | function bug_re_ent27() public{
require(not_called_re_ent27);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent27 = false;
} | 5 | buggy_6.sol |
9,695 | function callnotchecked_unchk25(address payable callee) public {
callee.call.value(1 ether);
} | 3 | buggy_16.sol |
15,448 | function claimReward_re_ent39() public {
// ensure there is a reward to give
require(redeemableEther_re_ent39[msg.sender] > 0);
uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender];
msg.sender.transfer(transferValue_re_ent39); //bug
redeemableEther_re_ent39[msg.sender] = 0;
} | 5 | buggy_32.sol |
20,645 | 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_8.sol |
19,043 | function _transfer(address from, address to, uint256 value) internal {
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
} | 0 | buggy_23.sol |
20,547 | 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);
}
} | 6 | buggy_11.sol |
13,791 | function transferFrom(address from, address to, uint256 value) external returns (bool); | 0 | buggy_38.sol |
2,634 | function nextPayoutWhenPyramidBalanceTotalsApproximately() constant returns(uint balancePayout) {
balancePayout = participants[payoutOrder].payout / 1 ether;
} | 0 | rubixi.sol |
17,106 | function findOnePercent(uint256 value) private view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 onePercent = roundValue.mul(basePercent).div(10000);
return onePercent;
} | 0 | buggy_42.sol |
9,880 | function bug_unchk27(address payable addr) public
{addr.send (42 ether); } | 3 | buggy_29.sol |
12,317 | function play_TOD17(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD17 = msg.sender;
}
} | 4 | buggy_20.sol |
23,679 | function bug_unchk_send19() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_42.sol |
3,544 | function withdraw_intou29() public {
require(now > lockTime_intou29[msg.sender]);
uint transferValue_intou29 = 10;
msg.sender.transfer(transferValue_intou29);
} | 2 | buggy_30.sol |
5,848 | function increaseLockTime_intou9(uint _secondsToIncrease) public {
lockTime_intou9[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_48.sol |
18,918 | function isStopped() public view returns (bool)
{
return stopped;
} | 0 | buggy_6.sol |
12,323 | function claimReward_TOD10(uint256 submission) public {
require (!claimed_TOD10);
require(submission < 10);
msg.sender.transfer(reward_TOD10);
claimed_TOD10 = true;
} | 4 | buggy_20.sol |
10,985 | function play_TOD25(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD25 = msg.sender;
}
} | 4 | buggy_26.sol |
6,369 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_12.sol |
18,073 | function execute(
address _to,
uint256 _value,
uint256 _fee,
bytes calldata _signature
) nonReentrant external {
require(tx.origin == relayer, "Invalid transaction origin");
Marmo marmo = Marmo(msg.sender);
bytes32 hash = keccak256(
abi.encodePacked(
_to,
_value,
_fee
)
);
require(marmo.signer() == ECDSA.recover(hash, _signature), "Invalid signature");
require(token.transferFrom(msg.sender, _to, _value));
require(token.transferFrom(msg.sender, relayer, _fee));
} | 0 | buggy_31.sol |
14,735 | function teamAddBonus() onlyOwner public{
require(msg.sender == owner, "only owner can use this method");
msg.sender.transfer(address(this).balance);
} | 0 | buggy_19.sol |
11,370 | function play_TOD23(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD23 = msg.sender;
}
} | 4 | buggy_27.sol |
12,400 | function claimReward_TOD22(uint256 submission) public {
require (!claimed_TOD22);
require(submission < 10);
msg.sender.transfer(reward_TOD22);
claimed_TOD22 = true;
} | 4 | buggy_20.sol |
1,902 | function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public {
require(tx.origin == owner_txorigin39);
to.call.value(amount);
} | 1 | buggy_50.sol |
18,053 | function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}} | 6 | buggy_31.sol |
12,600 | function claimReward_TOD22(uint256 submission) public {
require (!claimed_TOD22);
require(submission < 10);
msg.sender.transfer(reward_TOD22);
claimed_TOD22 = true;
} | 4 | buggy_35.sol |
20,778 | function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_16.sol |
24,258 | function bug_unchk_send19() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_8.sol |
18,722 | constructor() public {
owner = msg.sender;
} | 0 | buggy_33.sol |
8,810 | function unhandledsend_unchk38(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_47.sol |
21,482 | function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_30.sol |
2,760 | function sendto_txorigin1(address payable receiver, uint amount,address owner_txorigin1) public {
require (tx.origin == owner_txorigin1);
receiver.transfer(amount);
} | 1 | buggy_17.sol |
3,971 | function withdraw_intou9() public {
require(now > lockTime_intou9[msg.sender]);
uint transferValue_intou9 = 10;
msg.sender.transfer(transferValue_intou9);
} | 2 | buggy_33.sol |
282 | function sendto_txorigin29(address payable receiver, uint amount,address owner_txorigin29) public {
require (tx.origin == owner_txorigin29);
receiver.transfer(amount);
} | 1 | buggy_30.sol |
21,973 | function findOnePercent(uint256 value) private view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 onePercent = roundValue.mul(basePercent).div(10000);
return onePercent;
} | 0 | buggy_33.sol |
2,862 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
} | 0 | buggy_29.sol |
5,021 | 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_21.sol |
20,129 | 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_43.sol |
23,953 | function allowance(address _owner, address _spender) public view returns (uint256) {
return _allowed[_owner][_spender];
} | 0 | buggy_9.sol |
9,660 | function transferOwnership(address payable newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
} | 0 | buggy_16.sol |
17,446 | function claimReward_re_ent25() public {
// ensure there is a reward to give
require(redeemableEther_re_ent25[msg.sender] > 0);
uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender];
msg.sender.transfer(transferValue_re_ent25); //bug
redeemableEther_re_ent25[msg.sender] = 0;
} | 5 | buggy_11.sol |
15,707 | function callme_re_ent35() public{
require(counter_re_ent35<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent35 += 1;
} | 5 | buggy_6.sol |
19,613 | function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}} | 6 | buggy_21.sol |
4,887 | function withdraw_intou33() public {
require(now > lockTime_intou33[msg.sender]);
uint transferValue_intou33 = 10;
msg.sender.transfer(transferValue_intou33);
} | 2 | buggy_20.sol |
15,724 | function isStopped() public view returns (bool)
{
return stopped;
} | 0 | buggy_6.sol |
9,596 | function callnotchecked_unchk37(address payable callee) public {
callee.call.value(1 ether);
} | 3 | buggy_11.sol |
19,110 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_23.sol |
20,091 | 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 |
9,232 | function getFactory() public view returns (address factory) {
factory = _factory;
} | 0 | buggy_43.sol |
11,922 | function getReward_TOD23() payable public{
winner_TOD23.transfer(msg.value);
} | 4 | buggy_36.sol |
22,788 | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender].sub(subtractedValue));
return true;
} | 0 | buggy_34.sol |
14,340 | function getReward_TOD13() payable public{
winner_TOD13.transfer(msg.value);
} | 4 | buggy_15.sol |
16,516 | function AddMessage(address _adr,uint _val,string _data)
public
{
LastMsg.Sender = _adr;
LastMsg.Time = now;
LastMsg.Val = _val;
LastMsg.Data = _data;
History.push(LastMsg);
} | 0 | 0x7a8721a9d64c74da899424c1b52acbf58ddc9782.sol |
10,389 | function getInvestRecords(address userAddress) external view returns(uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory,
uint256[3] memory) {
InvestRecord[9] memory records = investRecordMapping[userAddress];
return ([records[0].time, records[0].amount, records[0].cycle],
[records[1].time, records[1].amount, records[1].cycle],
[records[2].time, records[2].amount, records[2].cycle],
[records[3].time, records[3].amount, records[3].cycle],
[records[4].time, records[4].amount, records[4].cycle],
[records[5].time, records[5].amount, records[5].cycle],
[records[6].time, records[6].amount, records[6].cycle],
[records[7].time, records[7].amount, records[7].cycle],
[records[8].time, records[8].amount, records[8].cycle]);
} | 0 | buggy_24.sol |
13,330 | function setReward_TOD4() public payable {
require (!claimed_TOD4);
require(msg.sender == owner_TOD4);
owner_TOD4.transfer(reward_TOD4);
reward_TOD4 = msg.value;
} | 4 | buggy_40.sol |
13,877 | function play_TOD35(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD35 = msg.sender;
}
} | 4 | buggy_38.sol |
8,241 | function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_36.sol |
12,616 | function getReward_TOD13() payable public{
winner_TOD13.transfer(msg.value);
} | 4 | buggy_35.sol |
1,596 | function addToken(address tokenAddress,string memory tokenSymbol,uint256 decimal_) public returns(bool){
require(msg.sender == feeAddress && tokendetails[tokenAddress].status==false);
tokendetails[tokenAddress].tokenSymbol=tokenSymbol;
tokendetails[tokenAddress].decimals=decimal_;
tokendetails[tokenAddress].status=true;
return true;
} | 0 | buggy_21.sol |
24,710 | contract HYDROGEN 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 = "HYDROGEN";
function bug_unchk_send10() payable public{
msg.sender.transfer(1 ether);}
string constant tokenSymbol = "HGN";
function bug_unchk_send22() payable public{
msg.sender.transfer(1 ether);}
uint8 constant tokenDecimals = 4;
function bug_unchk_send12() payable public{
msg.sender.transfer(1 ether);}
uint256 _totalSupply =8000000000;
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 findtwoPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 twoPercent = roundValue.mul(basePercent).div(5000);
return twoPercent;
}
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 = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(0), tokensToBurn);
return true;
}
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 = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(0), tokensToBurn);
return true;
}
function bug_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_28.sol |
705 | function bug_txorigin40(address owner_txorigin40) public{
require(tx.origin == owner_txorigin40);
} | 1 | buggy_32.sol |
4,460 | function bug_intou11() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_36.sol |
6,340 | function bug_intou3() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_12.sol |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.