Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
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|---|---|---|---|
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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