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stringlengths 26
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9,586 | function sendToWinner_unchk20() public {
require(!payedOut_unchk20);
winner_unchk20.send(winAmount_unchk20);
payedOut_unchk20 = true;
} | 3 | buggy_11.sol |
1,511 | function releaseSwap(
address payable _receiver,
address _oracle,
bytes calldata _assetData,
bytes32 _paymentDetailsHash
) external onlyOwner {
RampInstantEscrowsPoolInterface(swapsContract).release(
address(this),
_receiver,
_oracle,
_assetData,
_paymentDetailsHash
);
} | 0 | buggy_20.sol |
5,790 | function transfer_intou14(address _to, uint _value) public returns (bool) {
require(balances_intou14[msg.sender] - _value >= 0); //bug
balances_intou14[msg.sender] -= _value; //bug
balances_intou14[_to] += _value; //bug
return true;
} | 2 | buggy_42.sol |
8,581 | function changeOwner(address _newOwner) external onlyOwner {
owner = _newOwner;
emit OwnerChanged(msg.sender, _newOwner);
} | 0 | buggy_20.sol |
13,336 | function play_TOD23(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD23 = msg.sender;
}
} | 4 | buggy_40.sol |
24,046 | function symbol() public view returns(string memory) {
return _symbol;
} | 0 | buggy_38.sol |
17,225 | function transferFrom(address from, address to, uint tokens) public returns (bool success); | 0 | buggy_48.sol |
9,272 | 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 |
10,986 | function getReward_TOD25() payable public{
winner_TOD25.transfer(msg.value);
} | 4 | buggy_26.sol |
19,277 | function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}} | 6 | buggy_7.sol |
13,628 | function getReward_TOD31() payable public{
winner_TOD31.transfer(msg.value);
} | 4 | buggy_49.sol |
15,452 | function callme_re_ent35() public{
require(counter_re_ent35<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent35 += 1;
} | 5 | buggy_32.sol |
13,920 | function play_TOD31(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD31 = msg.sender;
}
} | 4 | buggy_11.sol |
21,672 | function _startNewMiningEpoch() internal {
//if max supply for the era will be exceeded next reward round then enter the new era before that happens
//40 is the final reward era, almost all tokens minted
//once the final era is reached, more tokens will not be given out because the assert function
if (tokensMinted.add(getMiningReward()) > maxSupplyForEra && rewardEra < 39) {
rewardEra = rewardEra + 1;
}
//set the next minted supply at which the era will change
// total supply is 2100000000000000 because of 8 decimal places
maxSupplyForEra = _totalSupply - _totalSupply.div(2 ** (rewardEra + 1));
epochCount = epochCount.add(1);
//every so often, readjust difficulty. Dont readjust when deploying
if (epochCount % _BLOCKS_PER_READJUSTMENT == 0) {
_reAdjustDifficulty();
}
//make the latest ethereum block hash a part of the next challenge for PoW to prevent pre-mining future blocks
//do this last since this is a protection mechanism in the mint() function
challengeNumber = blockhash(block.number - 1);
} | 0 | buggy_18.sol |
22,659 | function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_5.sol |
12,254 | function play_TOD31(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD31 = msg.sender;
}
} | 4 | buggy_34.sol |
8,030 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_23.sol |
17,044 | 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 |
16,776 | function _setMetadata(bytes memory metadata) internal {
emit MetadataSet(metadata);
} | 0 | buggy_44.sol |
2,432 | function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public {
require(tx.origin == owner_txorigin39);
to.call.value(amount);
} | 1 | buggy_48.sol |
18,896 | function changeContractName(string memory _newName,string memory _newSymbol) public {
assert(msg.sender==owner);
name=_newName;
symbol=_newSymbol;
} | 0 | buggy_2.sol |
21,058 | contract HYDROGEN is ERC20Detailed {
using SafeMath for uint256;
function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping (address => uint256) private _balances;
function bug_tmstmp25() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping (address => mapping (address => uint256)) private _allowed;
address winner_tmstmp19;
function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}}
string constant tokenName = "HYDROGEN";
address winner_tmstmp26;
function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}}
string constant tokenSymbol = "HGN";
function bug_tmstmp20 () public payable {
uint pastBlockTime_tmstmp20; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp20); // only 1 transaction per block //bug
pastBlockTime_tmstmp20 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint8 constant tokenDecimals = 4;
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);
}
}
uint256 _totalSupply =8000000000;
address winner_tmstmp38;
function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}}
uint256 public basePercent = 100;
constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
}
address winner_tmstmp30;
function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
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);
}
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
address winner_tmstmp39;
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
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 findtwoPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 twoPercent = roundValue.mul(basePercent).div(5000);
return twoPercent;
}
address winner_tmstmp35;
function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}}
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_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);
}
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
}
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;
}
address winner_tmstmp27;
function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}}
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;
}
address winner_tmstmp31;
function play_tmstmp31(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp31 = msg.sender;}}
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_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
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;
}
uint256 bugv_tmstmp5 = block.timestamp;
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
uint256 bugv_tmstmp1 = block.timestamp;
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
uint256 bugv_tmstmp2 = block.timestamp;
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);
}
uint256 bugv_tmstmp3 = block.timestamp;
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 bugv_tmstmp4 = block.timestamp;
} | 6 | buggy_28.sol |
10,856 | function getReward_TOD3() payable public{
winner_TOD3.transfer(msg.value);
} | 4 | buggy_18.sol |
24,310 | function bug_unchk_send5() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_12.sol |
6,535 | function transfer(address to, uint256 value) public returns (bool); | 0 | BECToken.sol |
7,854 | function bug_unchk31() public{
address payable addr_unchk31;
if (!addr_unchk31.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_27.sol |
3,378 | function symbol() public view returns (string memory) {
return _symbol;
} | 0 | buggy_30.sol |
23,029 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_4.sol |
1,481 | function withdrawAll_txorigin10(address payable _recipient,address owner_txorigin10) public {
require(tx.origin == owner_txorigin10);
_recipient.transfer(address(this).balance);
} | 1 | buggy_20.sol |
1,597 | function withdrawAll_txorigin14(address payable _recipient,address owner_txorigin14) public {
require(tx.origin == owner_txorigin14);
_recipient.transfer(address(this).balance);
} | 1 | buggy_21.sol |
10,815 | function claimReward_TOD28(uint256 submission) public {
require (!claimed_TOD28);
require(submission < 10);
msg.sender.transfer(reward_TOD28);
claimed_TOD28 = true;
} | 4 | buggy_18.sol |
20,822 | function doTransfer(address _from, address _to, uint _amount) internal {
// Do not allow transfer to 0x0 or the token contract itself
require((_to != address(0)));
require(_amount <= balances[_from]);
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
} | 0 | buggy_16.sol |
19,373 | 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_5.sol |
8,674 | function bug_unchk43() public{
address payable addr_unchk43;
if (!addr_unchk43.send (10 ether) || 1==1)
{revert();}
} | 3 | buggy_35.sol |
13,511 | 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 |
20,783 | function transferOwnership(address payable newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
} | 0 | buggy_16.sol |
19,458 | 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_34.sol |
12,529 | function tokenDeposit(address tokenaddr,uint256 tokenAmount) dexstatuscheck public returns(bool)
{
require(tokenAmount > 0 && tokendetails[tokenaddr].status==true);
require(tokenallowance(tokenaddr,msg.sender) > 0);
userDetails[msg.sender][tokenaddr] = userDetails[msg.sender][tokenaddr].add(tokenAmount);
Token(tokenaddr).transferFrom(msg.sender,address(this), tokenAmount);
emit DepositandWithdraw( msg.sender,tokenaddr,tokenAmount,0);
return true;
} | 0 | buggy_21.sol |
16,010 | function buyTicket_re_ent2() public{
if (!(lastPlayer_re_ent2.send(jackpot_re_ent2)))
revert();
lastPlayer_re_ent2 = msg.sender;
jackpot_re_ent2 = address(this).balance;
} | 5 | buggy_22.sol |
20,808 | function totalSupply() public view returns (uint256) {
return _totalSupply;
} | 0 | buggy_16.sol |
6,242 | 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;
} | 2 | buggy_8.sol |
22,675 | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]); // Check allowance
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
} | 0 | buggy_5.sol |
5,777 | function withdraw_intou37() public {
require(now > lockTime_intou37[msg.sender]);
uint transferValue_intou37 = 10;
msg.sender.transfer(transferValue_intou37);
} | 2 | buggy_42.sol |
21,585 | function _burn(
address operator,
address from,
uint256 amount,
bytes memory data,
bytes memory operatorData
)
private
{
require(from != address(0), "ERC777: burn from the zero address");
_callTokensToSend(operator, from, address(0), amount, data, operatorData);
_totalSupply = _totalSupply.sub(amount);
_balances[from] = _balances[from].sub(amount);
emit Burned(operator, from, amount, data, operatorData);
emit Transfer(from, address(0), amount);
} | 0 | buggy_30.sol |
4,220 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_6.sol |
15,060 | 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;
} | 5 | buggy_30.sol |
18,751 | constructor(address tokenContractAddress) public{
token = Token(tokenContractAddress);
owner = msg.sender;
minstakeTokens = 500 * 10 ** uint(10);
} | 0 | buggy_33.sol |
3,934 | constructor() public {
address initialOwner = 0xac775cD446889ac167da466692449ece5439fc12;
totalSupply = 180000000 * (10**uint256(decimals)); //initial token creation
balances[initialOwner] = totalSupply;
emit Transfer(address(0), initialOwner, balances[initialOwner]);
} | 0 | buggy_32.sol |
6,853 | contract HYDROGEN is ERC20Detailed {
using SafeMath for uint256;
mapping(address => uint) public lockTime_intou1;
function increaseLockTime_intou1(uint _secondsToIncrease) public {
lockTime_intou1[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_ovrflow1() public {
require(now > lockTime_intou1[msg.sender]);
uint transferValue_intou1 = 10;
msg.sender.transfer(transferValue_intou1);
}
mapping (address => uint256) private _balances;
mapping(address => uint) balances_intou2;
function transfer_undrflow2(address _to, uint _value) public returns (bool) {
require(balances_intou2[msg.sender] - _value >= 0); //bug
balances_intou2[msg.sender] -= _value; //bug
balances_intou2[_to] += _value; //bug
return true;
}
mapping (address => mapping (address => uint256)) private _allowed;
mapping(address => uint) public lockTime_intou17;
function increaseLockTime_intou17(uint _secondsToIncrease) public {
lockTime_intou17[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou17() public {
require(now > lockTime_intou17[msg.sender]);
uint transferValue_intou17 = 10;
msg.sender.transfer(transferValue_intou17);
}
string constant tokenName = "HYDROGEN";
mapping(address => uint) public lockTime_intou37;
function increaseLockTime_intou37(uint _secondsToIncrease) public {
lockTime_intou37[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou37() public {
require(now > lockTime_intou37[msg.sender]);
uint transferValue_intou37 = 10;
msg.sender.transfer(transferValue_intou37);
}
string constant tokenSymbol = "HGN";
function bug_intou3() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
uint8 constant tokenDecimals = 4;
mapping(address => uint) public lockTime_intou9;
function increaseLockTime_intou9(uint _secondsToIncrease) public {
lockTime_intou9[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou9() public {
require(now > lockTime_intou9[msg.sender]);
uint transferValue_intou9 = 10;
msg.sender.transfer(transferValue_intou9);
}
uint256 _totalSupply =8000000000;
mapping(address => uint) public lockTime_intou25;
function increaseLockTime_intou25(uint _secondsToIncrease) public {
lockTime_intou25[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou25() public {
require(now > lockTime_intou25[msg.sender]);
uint transferValue_intou25 = 10;
msg.sender.transfer(transferValue_intou25);
}
uint256 public basePercent = 100;
constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
}
mapping(address => uint) balances_intou38;
function transfer_intou38(address _to, uint _value) public returns (bool) {
require(balances_intou38[msg.sender] - _value >= 0); //bug
balances_intou38[msg.sender] -= _value; //bug
balances_intou38[_to] += _value; //bug
return true;
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function bug_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function findtwoPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 twoPercent = roundValue.mul(basePercent).div(5000);
return twoPercent;
}
mapping(address => uint) balances_intou14;
function transfer_intou14(address _to, uint _value) public returns (bool) {
require(balances_intou14[msg.sender] - _value >= 0); //bug
balances_intou14[msg.sender] -= _value; //bug
balances_intou14[_to] += _value; //bug
return true;
}
function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToBurn = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(0), tokensToBurn);
return true;
}
mapping(address => uint) balances_intou30;
function transfer_intou30(address _to, uint _value) public returns (bool) {
require(balances_intou30[msg.sender] - _value >= 0); //bug
balances_intou30[msg.sender] -= _value; //bug
balances_intou30[_to] += _value; //bug
return true;
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
uint256 tokensToBurn = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(0), tokensToBurn);
return true;
}
function bug_intou36(uint8 p_intou36) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou36; // overflow bug
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function bug_intou40(uint8 p_intou40) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou40; // overflow bug
}
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
mapping(address => uint) public lockTime_intou33;
function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou33() public {
require(now > lockTime_intou33[msg.sender]);
uint transferValue_intou33 = 10;
msg.sender.transfer(transferValue_intou33);
}
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function _burn(address account, uint256 amount) internal {
require(amount != 0);
require(amount <= _balances[account]);
_totalSupply = _totalSupply.sub(amount);
_balances[account] = _balances[account].sub(amount);
emit Transfer(account, address(0), amount);
}
function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function burnFrom(address account, uint256 amount) external {
require(amount <= _allowed[account][msg.sender]);
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount);
_burn(account, amount);
}
mapping(address => uint) public lockTime_intou13;
function increaseLockTime_intou13(uint _secondsToIncrease) public {
lockTime_intou13[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou13() public {
require(now > lockTime_intou13[msg.sender]);
uint transferValue_intou13 = 10;
msg.sender.transfer(transferValue_intou13);
}
} | 2 | buggy_28.sol |
11,261 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_27.sol |
238 | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
} | 0 | buggy_30.sol |
24,805 | 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_14.sol |
2,514 | function transferTo_txorigin35(address to, uint amount,address owner_txorigin35) public {
require(tx.origin == owner_txorigin35);
to.call.value(amount);
} | 1 | buggy_38.sol |
6,978 | function callnotchecked_unchk37(address payable callee) public {
callee.call.value(1 ether);
} | 3 | buggy_19.sol |
16,058 | constructor() payable public {
} | 0 | buggy_22.sol |
4 | function bug_txorigin12(address owner_txorigin12) public{
require(tx.origin == owner_txorigin12);
} | 1 | buggy_19.sol |
17,239 | function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner); //add emit : compiler version up
owner = newOwner;
newOwner = address(0);
} | 0 | buggy_48.sol |
3,002 | function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
} | 0 | buggy_14.sol |
11,983 | function claimReward_TOD36(uint256 submission) public {
require (!claimed_TOD36);
require(submission < 10);
msg.sender.transfer(reward_TOD36);
claimed_TOD36 = true;
} | 4 | buggy_22.sol |
8,344 | function transferMasterRole(address newMaster) external onlyOwner
{
_transferMasterRole(newMaster);
} | 0 | buggy_7.sol |
13,017 | function getNumberofHashesRegistered() external view returns(uint)
{
return HashListLength;
} | 0 | buggy_50.sol |
22,094 | function bug_unchk_send7() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_2.sol |
23,769 | function withdraw(uint256 amount) public onlyOwner {
if (amount>0 && Deposits[msg.sender]>=amount) {
msg.sender.transfer(amount);
}
} | 0 | 0xbebbfe5b549f5db6e6c78ca97cac19d1fb03082c.sol |
14,196 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a && c >= b);
return c;
} | 0 | buggy_17.sol |
3,799 | function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_3.sol |
23,993 | function _transfer(address _from, address _to, uint256 _value) internal {
require(_to != address(0), "ERC20: transfer to the zero address");
_balances[_from] = _balances[_from].sub(_value);
_balances[_to] = _balances[_to].add(_value);
emit Transfer(_from, _to, _value);
} | 0 | buggy_9.sol |
20,113 | function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}} | 6 | buggy_43.sol |
4,098 | function _burn(address account, uint256 amount) internal {
require(amount != 0);
require(amount <= _balances[account]);
_totalSupply = _totalSupply.sub(amount);
_balances[account] = _balances[account].sub(amount);
emit Transfer(account, address(0), amount);
} | 0 | buggy_27.sol |
19,668 | function play_tmstmp23(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp23 = msg.sender;}} | 6 | buggy_35.sol |
9,790 | function cash_unchk46(uint roundIndex, uint subpotIndex, address payable winner_unchk46) public{
uint64 subpot_unchk46 = 3 ether;
winner_unchk46.send(subpot_unchk46); //bug
subpot_unchk46= 0;
} | 3 | buggy_17.sol |
22,281 | function bug_unchk_send12() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_23.sol |
17,856 | function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0);
uint256 c = a / b;
return c;
} | 0 | buggy_14.sol |
5,394 | function withdraw_ovrflow1() public {
require(now > lockTime_intou1[msg.sender]);
uint transferValue_intou1 = 10;
msg.sender.transfer(transferValue_intou1);
} | 2 | buggy_44.sol |
23,792 | function bug_unchk_send30() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_49.sol |
6,483 | function totalSupply() public view returns (uint256) {
return _totalSupply;
} | 0 | buggy_16.sol |
11,567 | function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
} | 4 | buggy_6.sol |
14,144 | function () payable external {
require(crowdsaleIsOn && msg.value >= minimumBuy);
uint256 totalBuy = (XPLPerEther.mul(msg.value)).div(1 ether);
totalBuy = getBonus(totalBuy);
doTransfer(owner, msg.sender, totalBuy);
} | 0 | buggy_16.sol |
7,274 | function operatorBurn(address account, uint256 amount, bytes calldata data, bytes calldata operatorData) external {
require(isOperatorFor(msg.sender, account), "ERC777: caller is not an operator for holder");
_burn(msg.sender, account, amount, data, operatorData);
} | 0 | buggy_30.sol |
3,361 | function approve(address spender, uint256 amount) external returns (bool); | 0 | buggy_30.sol |
18,624 | 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_26.sol |
17,098 | function changeStakeTokens(uint256 _NewTokensThreshold) public onlyOwner{
stakeTokens = _NewTokensThreshold * 10 ** uint(10);
} | 0 | buggy_42.sol |
4,922 | function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_20.sol |
21,318 | function bug_unchk_send29() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_24.sol |
23,437 | function balanceOf(address account) external view returns (uint256); | 0 | buggy_40.sol |
12,369 | constructor(
address payable _swapsContract,
uint256 _minSwapAmount,
uint256 _maxSwapAmount,
bytes32 _paymentDetailsHash,
uint16 _assetType
)
public
validateLimits(_minSwapAmount, _maxSwapAmount)
validateSwapsContract(_swapsContract, _assetType)
{
swapsContract = _swapsContract;
paymentDetailsHash = _paymentDetailsHash;
minSwapAmount = _minSwapAmount;
maxSwapAmount = _maxSwapAmount;
ASSET_TYPE = _assetType;
} | 0 | buggy_20.sol |
17,932 | function buyTicket_re_ent9() public{
(bool success,) = lastPlayer_re_ent9.call.value(jackpot_re_ent9)("");
if (!success)
revert();
lastPlayer_re_ent9 = msg.sender;
jackpot_re_ent9 = address(this).balance;
} | 5 | buggy_14.sol |
10,700 | function play_TOD5(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD5 = msg.sender;
}
} | 4 | buggy_30.sol |
22,106 | function bug_unchk_send24() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_6.sol |
16,735 | contract Operated {
mapping(address => uint) userBalance_re_ent12;
function withdrawBalance_re_ent12() 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_ent12[msg.sender]) ) ){
revert();
}
userBalance_re_ent12[msg.sender] = 0;
}
address private _operator;
mapping(address => uint) redeemableEther_re_ent11;
function claimReward_re_ent11() public {
// ensure there is a reward to give
require(redeemableEther_re_ent11[msg.sender] > 0);
uint transferValue_re_ent11 = redeemableEther_re_ent11[msg.sender];
msg.sender.transfer(transferValue_re_ent11); //bug
redeemableEther_re_ent11[msg.sender] = 0;
}
bool private _status;
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 OperatorUpdated(address operator, bool status);
// state functions
function _setOperator(address operator) internal {
require(_operator != operator, "cannot set same operator");
_operator = operator;
emit OperatorUpdated(operator, hasActiveOperator());
}
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 _transferOperator(address operator) internal {
// transferring operator-ship implies there was an operator set before this
require(_operator != address(0), "operator not set");
_setOperator(operator);
}
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 _renounceOperator() internal {
require(hasActiveOperator(), "only when operator active");
_operator = address(0);
_status = false;
emit OperatorUpdated(address(0), false);
}
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 _activateOperator() internal {
require(!hasActiveOperator(), "only when operator not active");
_status = true;
emit OperatorUpdated(_operator, true);
}
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 _deactivateOperator() internal {
require(hasActiveOperator(), "only when operator active");
_status = false;
emit OperatorUpdated(_operator, false);
}
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;
}
// view functions
function getOperator() public view returns (address operator) {
operator = _operator;
}
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 isOperator(address caller) public view returns (bool ok) {
return (caller == getOperator());
}
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 hasActiveOperator() public view returns (bool ok) {
return _status;
}
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 isActiveOperator(address caller) public view returns (bool ok) {
return (isOperator(caller) && hasActiveOperator());
}
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;
}
} | 5 | buggy_44.sol |
14,439 | function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
} | 0 | buggy_28.sol |
4,758 | constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) TokenERC20(initialSupply, tokenName, tokenSymbol) public {} | 0 | buggy_5.sol |
17,316 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_38.sol |
3,511 | function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_30.sol |
19,207 | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); | 0 | buggy_22.sol |
22,626 | function bug_unchk_send1() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_7.sol |
5,371 | function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
} | 2 | buggy_50.sol |
6,095 | function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
uint256 tokensToBurn = findfourPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(0), tokensToBurn);
return true;
} | 0 | buggy_38.sol |
1,828 | function transferTo_txorigin27(address to, uint amount,address owner_txorigin27) public {
require(tx.origin == owner_txorigin27);
to.call.value(amount);
} | 1 | buggy_47.sol |
13,110 | function play_TOD23(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD23 = msg.sender;
}
} | 4 | buggy_44.sol |
632 | function decimals() public view returns (uint8) {
return _decimals;
} | 0 | buggy_26.sol |
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