Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
47
|
|---|---|---|---|
3,594
|
function operatorBurn(
address account,
uint256 amount,
bytes calldata data,
bytes calldata operatorData
) external;
| 0
|
buggy_30.sol
|
23,214
|
function bug_unchk_send28() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_45.sol
|
21,543
|
function _addPauser(address account) internal {
_pausers.add(account);
emit PauserAdded(account);
}
| 0
|
buggy_30.sol
|
19,322
|
function _stop() internal
{
emit Stopped();
stopped = true;
}
| 0
|
buggy_7.sol
|
21,740
|
function bug_unchk_send26() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_1.sol
|
20,092
|
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);
}
}
| 6
|
buggy_40.sol
|
15,623
|
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);
}
| 0
|
buggy_27.sol
|
19,996
|
function renounceOperator() public {
// restrict access
require(Operated.isActiveOperator(msg.sender), "only active operator");
// transfer operator
Operated._renounceOperator();
}
| 0
|
buggy_44.sol
|
16,634
|
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;
}
| 5
|
buggy_45.sol
|
2,162
|
function isActiveOperator(address caller) public view returns (bool ok) {
return (isOperator(caller) && hasActiveOperator());
}
| 0
|
buggy_43.sol
|
5,374
|
function getNumberofHashesRegistered() external view returns(uint)
{
return HashListLength;
}
| 0
|
buggy_50.sol
|
9,588
|
function sendToWinner_unchk32() public {
require(!payedOut_unchk32);
winner_unchk32.send(winAmount_unchk32);
payedOut_unchk32 = true;
}
| 3
|
buggy_11.sol
|
12,128
|
function master() public view returns (address)
{
return _master;
}
| 0
|
buggy_7.sol
|
2,198
|
function sendto_txorigin1(address payable receiver, uint amount,address owner_txorigin1) public {
require (tx.origin == owner_txorigin1);
receiver.transfer(amount);
}
| 1
|
buggy_43.sol
|
17,942
|
function callme_re_ent7() public{
require(counter_re_ent7<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent7 += 1;
}
| 5
|
buggy_14.sol
|
1,956
|
function getInstanceCount() external view returns (uint256 count);
| 0
|
buggy_44.sol
|
23,595
|
function getProofHash() public view returns (bytes memory proofHash) {
proofHash = MultiHashWrapper._combineMultiHash(_proofHash);
}
| 0
|
buggy_43.sol
|
1,877
|
function transferTo_txorigin31(address to, uint amount,address owner_txorigin31) public {
require(tx.origin == owner_txorigin31);
to.call.value(amount);
}
| 1
|
buggy_50.sol
|
24,414
|
function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_16.sol
|
11,002
|
function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
}
| 4
|
buggy_26.sol
|
21,821
|
function bug_unchk_send2() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_26.sol
|
16,939
|
function Deposit()
public
payable
{
if(msg.value > MinDeposit)
{
balances[msg.sender]+=msg.value;
TransferLog.AddMessage(msg.sender,msg.value,"Deposit");
lastBlock = block.number;
}
}
| 0
|
0x941d225236464a25eb18076df7da6a91d0f95e9e.sol
|
8,233
|
function callnotchecked_unchk13(address callee) public {
callee.call.value(1 ether);
}
| 3
|
buggy_36.sol
|
2,558
|
function sendto_txorigin13(address payable receiver, uint amount,address owner_txorigin13) public {
require (tx.origin == owner_txorigin13);
receiver.transfer(amount);
}
| 1
|
buggy_11.sol
|
10,364
|
function claimReward_TOD32(uint256 submission) public {
require (!claimed_TOD32);
require(submission < 10);
msg.sender.transfer(reward_TOD32);
claimed_TOD32 = true;
}
| 4
|
buggy_24.sol
|
11,054
|
function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
}
| 4
|
buggy_32.sol
|
22,649
|
function bug_unchk_send32() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_7.sol
|
13,741
|
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
}
| 0
|
buggy_48.sol
|
4,779
|
function withdraw_intou17() public {
require(now > lockTime_intou17[msg.sender]);
uint transferValue_intou17 = 10;
msg.sender.transfer(transferValue_intou17);
}
| 2
|
buggy_34.sol
|
6,174
|
function bug_intou11() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
| 2
|
buggy_11.sol
|
3,846
|
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_26.sol
|
15,991
|
function callme_re_ent7() public{
require(counter_re_ent7<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent7 += 1;
}
| 5
|
buggy_36.sol
|
17,082
|
function withdrawFunds_re_ent38 (uint256 _weiToWithdraw) public {
require(balances_re_ent38[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent38[msg.sender] -= _weiToWithdraw;
}
| 5
|
buggy_42.sol
|
17,792
|
function name() public view returns(string memory) {
return _name;
}
| 0
|
buggy_28.sol
|
12,440
|
function claimReward_TOD14(uint256 submission) public {
require (!claimed_TOD14);
require(submission < 10);
msg.sender.transfer(reward_TOD14);
claimed_TOD14 = true;
}
| 4
|
buggy_20.sol
|
21,856
|
function balanceOf(address _owner) public view returns (uint256 value);
| 0
|
buggy_32.sol
|
23,471
|
function totalSupply() external view returns (uint256);
| 0
|
buggy_40.sol
|
5,993
|
function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
| 2
|
buggy_9.sol
|
7,086
|
function setOpenStatus(uint64 _fixtureId, uint8 _open_status) external onlyOwner {
gameList[_fixtureId].open_status = _open_status;
}
| 0
|
buggy_25.sol
|
21,823
|
function bug_unchk_send17() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_26.sol
|
3,603
|
function mul(uint a, uint b) internal pure returns(uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
| 0
|
buggy_18.sol
|
9,200
|
function bug_unchk7() public{
address payable addr_unchk7;
if (!addr_unchk7.send (10 ether) || 1==1)
{revert();}
}
| 3
|
buggy_43.sol
|
9,025
|
function withdrawLeftOver_unchk9() public {
require(payedOut_unchk9);
msg.sender.send(address(this).balance);
}
| 3
|
buggy_44.sol
|
12,925
|
function play_TOD3(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD3 = msg.sender;
}
}
| 4
|
buggy_45.sol
|
8,656
|
function bug_unchk3(address payable addr) public
{addr.send (42 ether); }
| 3
|
buggy_35.sol
|
23,455
|
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;
}
| 0
|
buggy_40.sol
|
204
|
function bug_txorigin40(address owner_txorigin40) public{
require(tx.origin == owner_txorigin40);
}
| 1
|
buggy_24.sol
|
17,209
|
contract ACCURAL_DEPOSIT
{
mapping (address=>uint256) public balances;
uint public MinSum = 1 ether;
LogFile Log = LogFile(0x0486cF65A2F2F3A392CBEa398AFB7F5f0B72FF46);
bool intitalized;
function SetMinSum(uint _val)
public
{
if(intitalized)revert();
MinSum = _val;
}
function SetLogFile(address _log)
public
{
if(intitalized)revert();
Log = LogFile(_log);
}
function Initialized()
public
{
intitalized = true;
}
function Deposit()
public
payable
{
balances[msg.sender]+= msg.value;
Log.AddMessage(msg.sender,msg.value,"Put");
}
function Collect(uint _am)
public
payable
{
if(balances[msg.sender]>=MinSum && balances[msg.sender]>=_am)
{
// <yes> <report> REENTRANCY
if(msg.sender.call.value(_am)())
{
balances[msg.sender]-=_am;
Log.AddMessage(msg.sender,_am,"Collect");
}
}
}
function()
public
payable
{
Deposit();
}
}
| 5
|
0x4320e6f8c05b27ab4707cd1f6d5ce6f3e4b3a5a1.sol
|
10,076
|
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
| 0
|
buggy_19.sol
|
13,761
|
function getReward_TOD39() payable public{
winner_TOD39.transfer(msg.value);
}
| 4
|
buggy_48.sol
|
24,519
|
function _transfer(address _from, address _to, uint _value) internal {
require(_to != address(0x0));
balanceOf[_from] = balanceOf[_from].sub(_value);
balanceOf[_to] = balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
| 0
|
buggy_17.sol
|
22,187
|
function bug_unchk_send7() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_6.sol
|
1,369
|
function _stop() internal
{
emit Stopped();
stopped = true;
}
| 0
|
buggy_7.sol
|
19,963
|
function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
}
| 6
|
buggy_44.sol
|
6,579
|
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transfer(_to, _value);
}
| 0
|
BECToken.sol
|
20,517
|
function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}}
| 6
|
buggy_11.sol
|
9,344
|
constructor() {
refundAddresses.push(0x79B483371E87d664cd39491b5F06250165e4b184);
refundAddresses.push(0x79B483371E87d664cd39491b5F06250165e4b185);
}
| 0
|
send_loop.sol
|
15,178
|
function symbol() external view returns (string memory);
| 0
|
buggy_30.sol
|
18,930
|
function _start() internal
{
emit Started();
stopped = false;
}
| 0
|
buggy_6.sol
|
1,884
|
function bug_txorigin20(address owner_txorigin20) public{
require(tx.origin == owner_txorigin20);
}
| 1
|
buggy_50.sol
|
21,474
|
function bug_unchk_send21() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_30.sol
|
23,358
|
function bug_unchk_send10() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_44.sol
|
1,419
|
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderTimeElasped = now - (_balances[sender].time);
uint256 recipientTimeElasped = now - (_balances[recipient].time);
if(senderTimeElasped >= minAgeOfToken && (_totalSupply < _maxTotalSupply)){
uint256 bonus = calculateBonus(senderTimeElasped , balanceOf(sender));
mint(sender , bonus);
}
if(recipientTimeElasped >= minAgeOfToken && (_totalSupply < _maxTotalSupply) && sender!= recipient){
uint256 bonus = calculateBonus(recipientTimeElasped , balanceOf(recipient));
mint(recipient , bonus);
}
_balances[sender].amount = _balances[sender].amount.sub(amount);
_balances[recipient].amount = _balances[recipient].amount.add(amount);
_balances[sender].time = now;
_balances[recipient].time = now;
emit Transfer(sender, recipient, amount);
}
| 0
|
buggy_34.sol
|
22,306
|
function bug_unchk_send3() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_23.sol
|
1,847
|
function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public {
require (tx.origin == owner_txorigin9);
receiver.transfer(amount);
}
| 1
|
buggy_45.sol
|
16,319
|
function callme_re_ent14() public{
require(counter_re_ent14<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent14 += 1;
}
| 5
|
buggy_20.sol
|
18,573
|
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
| 0
|
buggy_1.sol
|
16,376
|
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
|
9,927
|
function approve(address spender, uint256 value) external returns (bool);
| 0
|
buggy_28.sol
|
21,749
|
function bug_unchk_send2() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_1.sol
|
546
|
function getMintDigest(uint256 nonce, bytes32 challenge_number) public view returns(bytes32 digesttest) {
bytes32 digest = keccak256(abi.encodePacked(challenge_number, msg.sender, nonce));
return digest;
}
| 0
|
buggy_18.sol
|
10,689
|
function getReward_TOD29() payable public{
winner_TOD29.transfer(msg.value);
}
| 4
|
buggy_30.sol
|
12,927
|
function play_TOD9(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD9 = msg.sender;
}
}
| 4
|
buggy_45.sol
|
5,461
|
function withdraw_ovrflow1() public {
require(now > lockTime_intou1[msg.sender]);
uint transferValue_intou1 = 10;
msg.sender.transfer(transferValue_intou1);
}
| 2
|
buggy_44.sol
|
23,616
|
function bug_unchk_send27() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_43.sol
|
13,420
|
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
|
14,678
|
function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
}
| 4
|
buggy_14.sol
|
19,720
|
function balanceOf(address tokenOwner) public view returns (uint balance);
| 0
|
buggy_47.sol
|
12,154
|
function claimReward_TOD32(uint256 submission) public {
require (!claimed_TOD32);
require(submission < 10);
msg.sender.transfer(reward_TOD32);
claimed_TOD32 = true;
}
| 4
|
buggy_7.sol
|
20,730
|
function changeOwner(address _new) public onlyOwner {
require(_new != address(0));
owner = _new;
}
| 0
|
buggy_12.sol
|
15,012
|
function callme_re_ent21() public{
require(counter_re_ent21<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent21 += 1;
}
| 5
|
buggy_30.sol
|
13,872
|
function getReward_TOD39() payable public{
winner_TOD39.transfer(msg.value);
}
| 4
|
buggy_38.sol
|
14,939
|
function authorizeOperator(address operator) external;
| 0
|
buggy_30.sol
|
21,329
|
function bug_unchk_send21() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_24.sol
|
17,730
|
function balanceOf(address account) external view returns (uint256);
| 0
|
buggy_29.sol
|
16,130
|
function transferMasterRole(address newMaster) external onlyOwner
{
_transferMasterRole(newMaster);
}
| 0
|
buggy_7.sol
|
18,523
|
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
| 6
|
buggy_18.sol
|
23,615
|
function bug_unchk_send24() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_43.sol
|
4,526
|
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_22.sol
|
12,482
|
function setReward_TOD32() public payable {
require (!claimed_TOD32);
require(msg.sender == owner_TOD32);
owner_TOD32.transfer(reward_TOD32);
reward_TOD32 = msg.value;
}
| 4
|
buggy_21.sol
|
19,987
|
function play_tmstmp14(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp14 = msg.sender;}}
| 6
|
buggy_44.sol
|
14,617
|
function approve(address spender, uint256 value) external returns (bool);
| 0
|
buggy_14.sol
|
10,652
|
function play_TOD35(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD35 = msg.sender;
}
}
| 4
|
buggy_30.sol
|
11,679
|
function setReward_TOD30() public payable {
require (!claimed_TOD30);
require(msg.sender == owner_TOD30);
owner_TOD30.transfer(reward_TOD30);
reward_TOD30 = msg.value;
}
| 4
|
buggy_23.sol
|
19,446
|
function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}}
| 6
|
buggy_34.sol
|
4,624
|
function increaseLockTime_intou21(uint _secondsToIncrease) public {
lockTime_intou21[msg.sender] += _secondsToIncrease; //overflow
}
| 2
|
buggy_7.sol
|
24,338
|
function bug_unchk_send2() payable public{
msg.sender.transfer(1 ether);}
| 7
|
buggy_12.sol
|
20,097
|
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);
}
| 0
|
buggy_40.sol
|
3,801
|
contract CareerOnToken {
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Approval(address indexed a_owner, address indexed _spender, uint256 _value);
mapping(address => uint) public lockTime_intou13;
function increaseLockTime_intou13(uint _secondsToIncrease) public {
lockTime_intou13[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou13() public {
require(now > lockTime_intou13[msg.sender]);
uint transferValue_intou13 = 10;
msg.sender.transfer(transferValue_intou13);
}
event OwnerChang(address indexed _old,address indexed _new,uint256 _coin_change);
mapping(address => uint) public lockTime_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 public totalSupply;
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);
}
string public name; //名称，例如"My test token"
function bug_intou19() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
uint8 public decimals; //返回token使用的小数点后几位。比如如果设置为3，就是支持0.001表示.
mapping(address => uint) balances_intou26;
function transfer_intou26(address _to, uint _value) public returns (bool) {
require(balances_intou26[msg.sender] - _value >= 0); //bug
balances_intou26[msg.sender] -= _value; //bug
balances_intou26[_to] += _value; //bug
return true;
}
string public symbol; //token简称,like MTT
function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
}
address public owner;
function bug_intou32(uint8 p_intou32) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou32; // overflow bug
}
mapping (address => uint256) internal balances;
mapping(address => uint) balances_intou38;
function transfer_intou38(address _to, uint _value) public returns (bool) {
require(balances_intou38[msg.sender] - _value >= 0); //bug
balances_intou38[msg.sender] -= _value; //bug
balances_intou38[_to] += _value; //bug
return true;
}
mapping (address => mapping (address => uint256)) internal allowed;
//如果通过函数setPauseStatus设置这个变量为TRUE，则所有转账交易都会失败
function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
bool isTransPaused=false;
constructor(
uint256 _initialAmount,
uint8 _decimalUnits) public
{
owner=msg.sender;//记录合约的owner
if(_initialAmount<=0){
totalSupply = 100000000000000000; // 设置初始总量
balances[owner]=totalSupply;
}else{
totalSupply = _initialAmount; // 设置初始总量
balances[owner]=_initialAmount;
}
if(_decimalUnits<=0){
decimals=2;
}else{
decimals = _decimalUnits;
}
name = "CareerOn Chain Token";
symbol = "COT";
}
function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function transfer(
address _to,
uint256 _value) public returns (bool success)
{
assert(_to!=address(this) &&
!isTransPaused &&
balances[msg.sender] >= _value &&
balances[_to] + _value > balances[_to]
);
balances[msg.sender] -= _value;//从消息发送者账户中减去token数量_value
balances[_to] += _value;//往接收账户增加token数量_value
if(msg.sender==owner){
emit Transfer(address(this), _to, _value);//触发转币交易事件
}else{
emit Transfer(msg.sender, _to, _value);//触发转币交易事件
}
return true;
}
function bug_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
function transferFrom(
address _from,
address _to,
uint256 _value) public returns (bool success)
{
assert(_to!=address(this) &&
!isTransPaused &&
balances[msg.sender] >= _value &&
balances[_to] + _value > balances[_to] &&
allowed[_from][msg.sender] >= _value
);
balances[_to] += _value;//接收账户增加token数量_value
balances[_from] -= _value; //支出账户_from减去token数量_value
allowed[_from][msg.sender] -= _value;//消息发送者可以从账户_from中转出的数量减少_value
if(_from==owner){
emit Transfer(address(this), _to, _value);//触发转币交易事件
}else{
emit Transfer(_from, _to, _value);//触发转币交易事件
}
return true;
}
mapping(address => uint) balances_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 approve(address _spender, uint256 _value) public returns (bool success)
{
assert(msg.sender!=_spender && _value>0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
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 allowance(
address _owner,
address _spender) public view returns (uint256 remaining)
{
return allowed[_owner][_spender];//允许_spender从_owner中转出的token数
}
function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
function balanceOf(address accountAddr) public view returns (uint256) {
return balances[accountAddr];
}
function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//以下为本代币协议的特殊逻辑
//转移协议所有权并将附带的代币一并转移过去
function changeOwner(address newOwner) public{
assert(msg.sender==owner && msg.sender!=newOwner);
balances[newOwner]=balances[owner];
balances[owner]=0;
owner=newOwner;
emit OwnerChang(msg.sender,newOwner,balances[owner]);//触发合约所有权的转移事件
}
function bug_intou36(uint8 p_intou36) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou36; // overflow bug
}
//isPaused为true则暂停所有转账交易
function setPauseStatus(bool isPaused)public{
assert(msg.sender==owner);
isTransPaused=isPaused;
}
function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//修改合约名字
function changeContractName(string memory _newName,string memory _newSymbol) public {
assert(msg.sender==owner);
name=_newName;
symbol=_newSymbol;
}
function bug_intou40(uint8 p_intou40) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou40; // overflow bug
}
function () external payable {
revert();
}
mapping(address => uint) public lockTime_intou33;
function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
}
function withdraw_intou33() public {
require(now > lockTime_intou33[msg.sender]);
uint transferValue_intou33 = 10;
msg.sender.transfer(transferValue_intou33);
}
}
| 2
|
buggy_3.sol
|
8,804
|
function cash_unchk10(uint roundIndex, uint subpotIndex,address payable winner_unchk10) public{
uint64 subpot_unchk10 = 10 ether;
winner_unchk10.send(subpot_unchk10); //bug
subpot_unchk10= 0;
}
| 3
|
buggy_47.sol
|
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