Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
47
|
|---|---|---|---|
2,983
|
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
| 0
|
buggy_14.sol
|
11,954
|
function play_TOD37(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD37 = msg.sender;
}
}
| 4
|
buggy_22.sol
|
1,983
|
function withdrawAll_txorigin2(address payable _recipient,address owner_txorigin2) public {
require(tx.origin == owner_txorigin2);
_recipient.transfer(address(this).balance);
}
| 1
|
buggy_44.sol
|
19,360
|
function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}}
| 6
|
buggy_5.sol
|
7,983
|
function callnotchecked_unchk25(address payable callee) public {
callee.call.value(1 ether);
}
| 3
|
buggy_6.sol
|
16,437
|
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;
}
| 5
|
buggy_35.sol
|
3,458
|
function _removePauser(address account) internal {
_pausers.remove(account);
emit PauserRemoved(account);
}
| 0
|
buggy_30.sol
|
2,592
|
function withdrawAll_txorigin30(address payable _recipient,address owner_txorigin30) public {
require(tx.origin == owner_txorigin30);
_recipient.transfer(address(this).balance);
}
| 1
|
buggy_11.sol
|
6,104
|
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
| 0
|
buggy_38.sol
|
17,387
|
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_38.sol
|
18,715
|
function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}}
| 6
|
buggy_32.sol
|
15,175
|
function approve(address spender, uint256 amount) external returns (bool);
| 0
|
buggy_30.sol
|
16,589
|
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;
}
| 5
|
buggy_47.sol
|
5,150
|
function withdraw_intou33() public {
require(now > lockTime_intou33[msg.sender]);
uint transferValue_intou33 = 10;
msg.sender.transfer(transferValue_intou33);
}
| 2
|
buggy_4.sol
|
3,787
|
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_3.sol
|
9,626
|
function UncheckedExternalCall_unchk40 () public
{ address payable addr_unchk40;
if (! addr_unchk40.send (2 ether))
{// comment1;
}
else
{//comment2;
}
}
| 3
|
buggy_39.sol
|
386
|
function renouncePauser() public {
_removePauser(msg.sender);
}
| 0
|
buggy_30.sol
|
9,439
|
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;
}
| 0
|
buggy_48.sol
|
1,955
|
function getInstanceType() external view returns (bytes4 instanceType);
| 0
|
buggy_44.sol
|
13,138
|
function _setOperator(address operator) internal {
require(_operator != operator, "cannot set same operator");
_operator = operator;
emit OperatorUpdated(operator, hasActiveOperator());
}
| 0
|
buggy_44.sol
|
6,498
|
function bug_intou19() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
| 2
|
buggy_16.sol
|
24,694
|
function bug_unchk_send7() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_28.sol
|
18,316
|
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
| 6
|
buggy_30.sol
|
15,458
|
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_32.sol
|
23,478
|
function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_40.sol
|
7,601
|
function withdrawLeftOver_unchk33() public {
require(payedOut_unchk33);
msg.sender.send(address(this).balance);
}
| 3
|
buggy_3.sol
|
7,395
|
function symbol() public view returns (string memory) {
return _symbol;
}
| 0
|
buggy_30.sol
|
21,734
|
function bug_unchk_send4() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_1.sol
|
24,218
|
function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_8.sol
|
21,616
|
function mint(address operator, address account, uint256 amount, bytes memory userData, bytes memory operatorData) public onlyMinter returns (bool) {
_mint(operator, account, amount, userData, operatorData);
return true;
}
| 0
|
buggy_30.sol
|
15,032
|
function remove(Role storage role, address account) internal {
require(has(role, account), "Roles: account does not have role");
role.bearer[account] = false;
}
| 0
|
buggy_30.sol
|
11,571
|
function claimReward_TOD30(uint256 submission) public {
require (!claimed_TOD30);
require(submission < 10);
msg.sender.transfer(reward_TOD30);
claimed_TOD30 = true;
}
| 4
|
buggy_6.sol
|
23,636
|
function bug_unchk_send31() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_43.sol
|
7,367
|
constructor () internal {
_addPauser(msg.sender);
}
| 0
|
buggy_30.sol
|
12,573
|
function play_TOD17(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD17 = msg.sender;
}
}
| 4
|
buggy_35.sol
|
18,851
|
function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}}
| 6
|
buggy_27.sol
|
10,227
|
function play_TOD23(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD23 = msg.sender;
}
}
| 4
|
buggy_31.sol
|
13,916
|
function setReward_TOD26() public payable {
require (!claimed_TOD26);
require(msg.sender == owner_TOD26);
owner_TOD26.transfer(reward_TOD26);
reward_TOD26 = msg.value;
}
| 4
|
buggy_11.sol
|
23,907
|
function numberOfMonarchs() constant returns (uint n) {
return pastMonarchs.length;
}
| 0
|
king_of_the_ether_throne.sol
|
8,345
|
function sendToWinner_unchk20() public {
require(!payedOut_unchk20);
winner_unchk20.send(winAmount_unchk20);
payedOut_unchk20 = true;
}
| 3
|
buggy_7.sol
|
15,538
|
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
| 0
|
buggy_27.sol
|
13,287
|
function play_TOD9(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD9 = msg.sender;
}
}
| 4
|
buggy_40.sol
|
12,828
|
function totalSupply() public view returns (uint);
| 0
|
buggy_47.sol
|
9,600
|
function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
}
| 3
|
buggy_11.sol
|
13,973
|
function transferFrom(address from, address to, uint tokens) public returns (bool success);
| 0
|
buggy_11.sol
|
19,400
|
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
emit FrozenFunds(target, freeze);
}
| 0
|
buggy_5.sol
|
10,511
|
function claimReward_TOD22(uint256 submission) public {
require (!claimed_TOD22);
require(submission < 10);
msg.sender.transfer(reward_TOD22);
claimed_TOD22 = true;
}
| 4
|
buggy_30.sol
|
23,606
|
function bug_unchk_send20() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_43.sol
|
2,357
|
function sendto_txorigin33(address payable receiver, uint amount,address owner_txorigin33) public {
require (tx.origin == owner_txorigin33);
receiver.transfer(amount);
}
| 1
|
buggy_49.sol
|
20,606
|
function play_tmstmp23(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp23 = msg.sender;}}
| 6
|
buggy_8.sol
|
3,302
|
function getUserByIndex(uint256 index) external view onlyOwner returns(uint256[16] memory,
address) {
return getUserByAddress(addressMapping[index]);
}
| 0
|
buggy_24.sol
|
19,393
|
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);
}
}
| 6
|
buggy_5.sol
|
4,008
|
function ceil(uint256 a, uint256 m) internal pure returns (uint256) {
uint256 c = add(a,m);
uint256 d = sub(c,1);
return mul(div(d,m),m);
}
| 0
|
buggy_27.sol
|
23,113
|
function bug_unchk_send11() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_47.sol
|
4,319
|
function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
| 0
|
buggy_23.sol
|
9,184
|
function _renounceOperator() internal {
require(hasActiveOperator(), "only when operator active");
_operator = address(0);
_status = false;
emit OperatorUpdated(address(0), false);
}
| 0
|
buggy_43.sol
|
10,640
|
function addPauser(address account) public onlyPauser {
_addPauser(account);
}
| 0
|
buggy_30.sol
|
6,280
|
function withdraw_intou21() public {
require(now > lockTime_intou21[msg.sender]);
uint transferValue_intou21 = 10;
msg.sender.transfer(transferValue_intou21);
}
| 2
|
buggy_8.sol
|
18,740
|
constructor() public {
owner = msg.sender;
}
| 0
|
buggy_33.sol
|
2,069
|
function balanceOf(address account) external view returns (uint256);
| 0
|
buggy_40.sol
|
21,899
|
function bug_unchk_send23() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_32.sol
|
522
|
function withdrawAll_txorigin18(address payable _recipient,address owner_txorigin18) public {
require(tx.origin == owner_txorigin18);
_recipient.transfer(address(this).balance);
}
| 1
|
buggy_18.sol
|
742
|
function transferTo_txorigin7(address to, uint amount,address owner_txorigin7) public {
require(tx.origin == owner_txorigin7);
to.call.value(amount);
}
| 1
|
buggy_33.sol
|
7,777
|
function changeStakeTime(uint256 _newStakeTime) public onlyOwner{
stakeTime = _newStakeTime;
}
| 0
|
buggy_33.sol
|
15,283
|
function callme_re_ent14() public{
require(counter_re_ent14<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent14 += 1;
}
| 5
|
buggy_18.sol
|
15,948
|
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;
}
| 5
|
buggy_36.sol
|
12,219
|
function getReward_TOD15() payable public{
winner_TOD15.transfer(msg.value);
}
| 4
|
buggy_34.sol
|
19,520
|
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_20.sol
|
10,540
|
function play_TOD3(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD3 = msg.sender;
}
}
| 4
|
buggy_30.sol
|
17,776
|
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
| 0
|
buggy_28.sol
|
2,567
|
function balanceOf(address tokenOwner) public view returns (uint balance);
| 0
|
buggy_11.sol
|
708
|
function balanceOf(address _owner) public view returns (uint256 value);
| 0
|
buggy_32.sol
|
11,138
|
function setReward_TOD30() public payable {
require (!claimed_TOD30);
require(msg.sender == owner_TOD30);
owner_TOD30.transfer(reward_TOD30);
reward_TOD30 = msg.value;
}
| 4
|
buggy_32.sol
|
11,026
|
function setReward_TOD36() public payable {
require (!claimed_TOD36);
require(msg.sender == owner_TOD36);
owner_TOD36.transfer(reward_TOD36);
reward_TOD36 = msg.value;
}
| 4
|
buggy_26.sol
|
11,459
|
function owner() public view returns (address)
{
return _owner;
}
| 0
|
buggy_6.sol
|
1,940
|
function bug_txorigin20(address owner_txorigin20) public{
require(tx.origin == owner_txorigin20);
}
| 1
|
buggy_44.sol
|
13,015
|
function play_TOD39(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD39 = msg.sender;
}
}
| 4
|
buggy_50.sol
|
8,302
|
function UncheckedExternalCall_unchk40 () public
{ address payable addr_unchk40;
if (! addr_unchk40.send (2 ether))
{// comment1;
}
else
{//comment2;
}
}
| 3
|
buggy_22.sol
|
17,073
|
function transfer(address to, uint256 value) external returns (bool);
| 0
|
buggy_42.sol
|
9,228
|
function getCreator() public view returns (address creator) {
// iFactory(...) would revert if _factory address is not actually a factory contract
creator = iFactory(_factory).getInstanceCreator(address(this));
}
| 0
|
buggy_43.sol
|
6,331
|
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
| 0
|
buggy_12.sol
|
5,034
|
function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
}
| 2
|
buggy_21.sol
|
2,217
|
function _activateOperator() internal {
require(!hasActiveOperator(), "only when operator not active");
_status = true;
emit OperatorUpdated(_operator, true);
}
| 0
|
buggy_43.sol
|
8,776
|
function approve(address spender, uint tokens) public returns (bool success);
| 0
|
buggy_47.sol
|
13,261
|
contract ERC20 is IERC20 {
using SafeMath for uint256;
address payable winner_TOD17;
function play_TOD17(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD17 = msg.sender;
}
}
function getReward_TOD17() payable public{
winner_TOD17.transfer(msg.value);
}
mapping (address => uint256) private _balances;
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);
}
mapping (address => mapping (address => uint256)) private _allowances;
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);
}
uint256 private _totalSupply;
/**
* @dev See `IERC20.totalSupply`.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
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;
}
/**
* @dev See `IERC20.balanceOf`.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
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.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;
}
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.allowance`.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
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;
}
/**
* @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_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.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;
}
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);
}
/**
* @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_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 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_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 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`.
*/
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);
}
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 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] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
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 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] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
}
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 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_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 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_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);
}
}
| 4
|
buggy_40.sol
|
16,216
|
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
| 0
|
buggy_34.sol
|
5,268
|
function withdraw_intou13() public {
require(now > lockTime_intou13[msg.sender]);
uint transferValue_intou13 = 10;
msg.sender.transfer(transferValue_intou13);
}
| 2
|
buggy_47.sol
|
12,125
|
function owner() public view returns (address)
{
return _owner;
}
| 0
|
buggy_7.sol
|
11,000
|
function claimReward_TOD32(uint256 submission) public {
require (!claimed_TOD32);
require(submission < 10);
msg.sender.transfer(reward_TOD32);
claimed_TOD32 = true;
}
| 4
|
buggy_26.sol
|
7,818
|
function my_func_uncheck48(address payable dst) public payable{
dst.call.value(msg.value)("");
}
| 3
|
buggy_27.sol
|
12,301
|
function play_TOD21(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD21 = msg.sender;
}
}
| 4
|
buggy_20.sol
|
6,003
|
function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
| 2
|
buggy_9.sol
|
109
|
function bug_txorigin36( address owner_txorigin36) public{
require(tx.origin == owner_txorigin36);
}
| 1
|
buggy_25.sol
|
3,403
|
function bug_intou28(uint8 p_intou28) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou28; // overflow bug
}
| 2
|
buggy_30.sol
|
23,430
|
function totalSupply() external view returns (uint256);
| 0
|
buggy_40.sol
|
9,424
|
function withdrawLeftOver_unchk45() public {
require(payedOut_unchk45);
msg.sender.send(address(this).balance);
}
| 3
|
buggy_48.sol
|
14,012
|
function claimReward_TOD36(uint256 submission) public {
require (!claimed_TOD36);
require(submission < 10);
msg.sender.transfer(reward_TOD36);
claimed_TOD36 = true;
}
| 4
|
buggy_11.sol
|
17,840
|
function withdraw_balances_re_ent36 () public {
if (msg.sender.send(balances_re_ent36[msg.sender ]))
balances_re_ent36[msg.sender] = 0;
}
| 5
|
buggy_28.sol
|
12,368
|
function getReward_TOD13() payable public{
winner_TOD13.transfer(msg.value);
}
| 4
|
buggy_20.sol
|
7,563
|
function my_func_uncheck36(address payable dst) public payable{
dst.call.value(msg.value)("");
}
| 3
|
buggy_18.sol
|
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