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int64 1
24.8k
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stringlengths 26
42.8k
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int64 0
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stringlengths 9
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4,675 | 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_7.sol |
23,495 | function symbol() public view returns (string memory) {
return _symbol;
} | 0 | buggy_40.sol |
4,528 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_22.sol |
6,243 | function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
} | 0 | buggy_8.sol |
12,269 | function claimReward_TOD4(uint256 submission) public {
require (!claimed_TOD4);
require(submission < 10);
msg.sender.transfer(reward_TOD4);
claimed_TOD4 = true;
} | 4 | buggy_34.sol |
6,934 | function withdraw_intou9() public {
require(now > lockTime_intou9[msg.sender]);
uint transferValue_intou9 = 10;
msg.sender.transfer(transferValue_intou9);
} | 2 | buggy_14.sol |
16,945 | function _setMetadata(bytes memory metadata) internal {
emit MetadataSet(metadata);
} | 0 | buggy_43.sol |
16,071 | function buyTicket_re_ent30() public{
if (!(lastPlayer_re_ent30.send(jackpot_re_ent30)))
revert();
lastPlayer_re_ent30 = msg.sender;
jackpot_re_ent30 = address(this).balance;
} | 5 | buggy_22.sol |
19,965 | function bug_tmstmp25() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_44.sol |
7,113 | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
} | 0 | buggy_24.sol |
1,817 | function changeDepositAddress(address payable newDeposit) public onlyAdmin{
deposit = newDeposit;
} | 0 | buggy_47.sol |
19,605 | function bug_tmstmp36 () public payable {
uint pastBlockTime_tmstmp36; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp36); // only 1 transaction per block //bug
pastBlockTime_tmstmp36 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
} | 6 | buggy_21.sol |
16,020 | function claimReward_re_ent25() public {
// ensure there is a reward to give
require(redeemableEther_re_ent25[msg.sender] > 0);
uint transferValue_re_ent25 = redeemableEther_re_ent25[msg.sender];
msg.sender.transfer(transferValue_re_ent25); //bug
redeemableEther_re_ent25[msg.sender] = 0;
} | 5 | buggy_22.sol |
9,311 | function bug_unchk3(address payable addr) public
{addr.send (42 ether); } | 3 | buggy_42.sol |
24,606 | function bug_unchk_send13() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_29.sol |
16,733 | function isActiveOperator(address caller) public view returns (bool ok) {
return (isOperator(caller) && hasActiveOperator());
} | 0 | buggy_44.sol |
23,808 | function withdraw(uint _value) public onlyOwner {
msg.sender.transfer(_value);
} | 0 | 0x610495793564aed0f9c7fc48dc4c7c9151d34fd6.sol |
6,086 | function bug_intou23() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_38.sol |
24,572 | function approve(address _spender, uint256 _value) public
returns (bool success) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
} | 0 | buggy_15.sol |
9,515 | function findfourPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 fourPercent = roundValue.mul(basePercent).div(2500);
return fourPercent;
} | 0 | buggy_38.sol |
3,349 | function setManager(address account, address newManager) external; | 0 | buggy_30.sol |
23,715 | function Owned() {
owner = msg.sender;
} | 0 | 0x958a8f594101d2c0485a52319f29b2647f2ebc06.sol |
19,981 | function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}} | 6 | buggy_44.sol |
19,862 | function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}} | 6 | buggy_50.sol |
223 | function authorizeOperator(address operator) external; | 0 | buggy_30.sol |
1,396 | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
} | 0 | buggy_34.sol |
9,687 | function cash_unchk22(uint roundIndex, uint subpotIndex, address payable winner_unchk22)public{
uint64 subpot_unchk22 = 10 ether;
winner_unchk22.send(subpot_unchk22); //bug
subpot_unchk22= 0;
} | 3 | buggy_16.sol |
8,217 | function withdrawBal_unchk17 () public{
uint64 Balances_unchk17 = 0;
msg.sender.send(Balances_unchk17);} | 3 | buggy_36.sol |
24,449 | function bug_unchk_send17() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_16.sol |
17,722 | function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowance[_from][msg.sender]); // Check allowance
balanceOf[_from] -= _value; // Subtract from the targeted balance
allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
emit Burn(_from, _value);
return true;
} | 0 | buggy_15.sol |
4,858 | function withdraw_intou17() public {
require(now > lockTime_intou17[msg.sender]);
uint transferValue_intou17 = 10;
msg.sender.transfer(transferValue_intou17);
} | 2 | buggy_20.sol |
17,540 | function bug_re_ent41() public{
require(not_called_re_ent41);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent41 = false;
} | 5 | buggy_16.sol |
16,775 | 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_44.sol |
22,256 | function bug_unchk_send20() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_23.sol |
1,573 | function balanceOf(address account) external view returns(uint256); | 0 | buggy_21.sol |
23,845 | function bug_unchk_send18() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_48.sol |
22,426 | function newProposal(
address destination,
uint weiAmount,
string memory transactionDescription,
bytes memory transactionBytecode
)
onlyTokenholders public
returns (uint proposalID)
{
proposalID = proposals.length++;
Proposal storage p = proposals[proposalID];
p.recipient = destination;
p.signedByChairman = false;
p.amount = weiAmount;
p.description = transactionDescription;
p.proposalHash = keccak256(abi.encodePacked(destination, weiAmount, transactionBytecode));
p.minExecutionDate = now + debatingPeriodInMinutes * 1 minutes;
p.executed = false;
p.proposalPassed = false;
p.numberOfVotes = 0;
emit ProposalAdded(proposalID, destination, weiAmount, transactionDescription);
numProposals = proposalID+1;
return proposalID;
} | 0 | buggy_36.sol |
2,112 | function withdrawAll_txorigin38(address payable _recipient,address owner_txorigin38) public {
require(tx.origin == owner_txorigin38);
_recipient.transfer(address(this).balance);
} | 1 | buggy_40.sol |
8,101 | function burn(uint256 value) public {
_burn(msg.sender, value);
} | 0 | buggy_23.sol |
11,746 | function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
} | 0 | buggy_23.sol |
14,762 | function bug_re_ent27() public{
require(not_called_re_ent27);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent27 = false;
} | 5 | buggy_19.sol |
9,500 | function callnotchecked_unchk37(address payable callee) public {
callee.call.value(1 ether);
} | 3 | buggy_38.sol |
18,942 | function master() public view returns (address)
{
return _master;
} | 0 | buggy_6.sol |
6,843 | function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_28.sol |
20,184 | function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}} | 6 | buggy_43.sol |
8,015 | function my_func_uncheck36(address payable dst) public payable{
dst.call.value(msg.value)("");
} | 3 | buggy_6.sol |
19,289 | 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_7.sol |
16,883 | function withdrawBalance_re_ent33() public{
// send userBalance[msg.sender] ethers to msg.sender
// if mgs.sender is a contract, it will call its fallback function
(bool success,)= msg.sender.call.value(userBalance_re_ent33[msg.sender])("");
if( ! success ){
revert();
}
userBalance_re_ent33[msg.sender] = 0;
} | 5 | buggy_40.sol |
1,619 | function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
} | 0 | buggy_35.sol |
18,114 | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
} | 0 | buggy_24.sol |
10,034 | function symbol() public view returns (string memory) {
return _symbol;
} | 0 | buggy_14.sol |
19,246 | function changeVotingRules(Token _tokenAddress, address _chairmanAddress, uint _minimumTokensToVote, uint _minimumPercentToPassAVote, uint _minutesForDebate) onlyOwner public {
require(_chairmanAddress != address(0));
require(_minimumPercentToPassAVote <= 51);
tokenAddress = Token(_tokenAddress);
chairmanAddress = _chairmanAddress;
if (_minimumTokensToVote == 0 ) _minimumTokensToVote = 1;
minimumTokensToVote = _minimumTokensToVote;
if (_minimumPercentToPassAVote == 0 ) _minimumPercentToPassAVote = 51;
minimumQuorum = _minimumPercentToPassAVote;
debatingPeriodInMinutes = _minutesForDebate;
emit ChangeOfRules(_minimumTokensToVote, minimumQuorum, debatingPeriodInMinutes, address(tokenAddress), chairmanAddress);
} | 0 | buggy_22.sol |
5,963 | 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_9.sol |
24,412 | function transferOwnership(address payable newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
} | 0 | buggy_16.sol |
10,143 | function claimReward_TOD30(uint256 submission) public {
require (!claimed_TOD30);
require(submission < 10);
msg.sender.transfer(reward_TOD30);
claimed_TOD30 = true;
} | 4 | buggy_19.sol |
22,487 | constructor() payable public {
} | 0 | buggy_22.sol |
23,123 | function bug_unchk_send9() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_47.sol |
23,271 | function bug_unchk_send4() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_50.sol |
19,752 | function play_tmstmp7(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp7 = msg.sender;}} | 6 | buggy_47.sol |
18,684 | function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}} | 6 | buggy_32.sol |
11,800 | constructor() ERC20Detailed('Aggregion Token', 'AGR', 4) public {
super._mint(msg.sender, 30000000000000);
} | 0 | buggy_23.sol |
774 | function bug_txorigin40(address owner_txorigin40) public{
require(tx.origin == owner_txorigin40);
} | 1 | buggy_33.sol |
812 | function sendto_txorigin21(address payable receiver, uint amount,address owner_txorigin21) public {
require (tx.origin == owner_txorigin21);
receiver.transfer(amount);
} | 1 | buggy_27.sol |
2,521 | 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_38.sol |
4,728 | constructor(
uint256 initialSupply,
string memory tokenName,
string memory tokenSymbol
) public {
totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
} | 0 | buggy_5.sol |
19,823 | contract AcunarIEO is AcunarToken{
address winner_tmstmp22;
function play_tmstmp22(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp22 = msg.sender;}}
address public admin;
//starting with solidity version 0.5.0 only a payable address has the transfer() member function
//it's mandatory to declare the variable payable
function bug_tmstmp12 () public payable {
uint pastBlockTime_tmstmp12; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp12); // only 1 transaction per block //bug
pastBlockTime_tmstmp12 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
address payable public deposit;
//token price in wei: 1 ACN = 0.0001 ETHER, 1 ETHER = 10000 ACN
address winner_tmstmp11;
function play_tmstmp11(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp11 = msg.sender;}}
uint tokenPrice = 0.0001 ether;
//300 Ether in wei
function bug_tmstmp1() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint public hardCap =21000 ether;
address winner_tmstmp2;
function play_tmstmp2(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp2 = msg.sender;}}
uint public raisedAmount;
function bug_tmstmp17() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint public saleStart = now;
uint public saleEnd = now + 14515200; //24 week
uint public coinTradeStart = saleEnd + 15120000; //transferable in a week after salesEnd
function bug_tmstmp37() view public returns (bool) {
return block.timestamp >= 1546300800;
}
uint public maxInvestment = 30 ether;
address winner_tmstmp3;
function play_tmstmp3(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp3 = msg.sender;}}
uint public minInvestment = 0.1 ether;
enum State { beforeStart, running, afterEnd, halted}
function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
}
State public ieoState;
modifier onlyAdmin(){
require(msg.sender == admin);
_;
}
uint256 bugv_tmstmp3 = block.timestamp;
uint256 bugv_tmstmp4 = block.timestamp;
event Invest(address investor, uint value, uint tokens);
//in solidity version > 0.5.0 the deposit argument must be payable
constructor(address payable _deposit) public{
deposit = _deposit;
admin = msg.sender;
ieoState = State.beforeStart;
}
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);
}
}
//emergency stop
function halt() public onlyAdmin{
ieoState = State.halted;
}
address winner_tmstmp35;
function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}}
//restart
function unhalt() public onlyAdmin{
ieoState = State.running;
}
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);
}
}
//only the admin can change the deposit address
//in solidity version > 0.5.0 the deposit argument must be payable
function changeDepositAddress(address payable newDeposit) public onlyAdmin{
deposit = newDeposit;
}
function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
}
//returns ieo state
function getCurrentState() public view returns(State){
if(ieoState == State.halted){
return State.halted;
}else if(block.timestamp < saleStart){
return State.beforeStart;
}else if(block.timestamp >= saleStart && block.timestamp <= saleEnd){
return State.running;
}else{
return State.afterEnd;
}
}
address winner_tmstmp27;
function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}}
function invest() payable public returns(bool){
//invest only in running
ieoState = getCurrentState();
require(ieoState == State.running);
require(msg.value >= minInvestment && msg.value <= maxInvestment);
uint tokens = msg.value / tokenPrice;
//hardCap not reached
require(raisedAmount + msg.value <= hardCap);
raisedAmount += msg.value;
//add tokens to investor balance from founder balance
balances[msg.sender] += tokens;
balances[founder] -= tokens;
deposit.transfer(msg.value);//transfer eth to the deposit address
//emit event
emit Invest(msg.sender, msg.value, tokens);
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;}}
//the payable function must be declared external in solidity versions > 0.5.0
function () payable external{
invest();
}
function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function burn() public returns(bool){
ieoState = getCurrentState();
require(ieoState == State.afterEnd);
balances[founder] = 0;
}
uint256 bugv_tmstmp5 = block.timestamp;
function transfer(address to, uint value) public returns(bool){
require(block.timestamp > coinTradeStart);
super.transfer(to, value);
}
uint256 bugv_tmstmp1 = block.timestamp;
function transferFrom(address _from, address _to, uint _value) public returns(bool){
require(block.timestamp > coinTradeStart);
super.transferFrom(_from, _to, _value);
}
uint256 bugv_tmstmp2 = block.timestamp;
} | 6 | buggy_47.sol |
19,552 | function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}} | 6 | buggy_20.sol |
22,704 | function bug_unchk_send25() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_5.sol |
600 | contract CareerOnToken {
function transferTo_txorigin27(address to, uint amount,address owner_txorigin27) public {
require(tx.origin == owner_txorigin27);
to.call.value(amount);
}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
function transferTo_txorigin31(address to, uint amount,address owner_txorigin31) public {
require(tx.origin == owner_txorigin31);
to.call.value(amount);
}
event Approval(address indexed a_owner, address indexed _spender, uint256 _value);
function sendto_txorigin13(address payable receiver, uint amount,address owner_txorigin13) public {
require (tx.origin == owner_txorigin13);
receiver.transfer(amount);
}
event OwnerChang(address indexed _old,address indexed _new,uint256 _coin_change);
function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public {
require (tx.origin == owner_txorigin9);
receiver.transfer(amount);
}
uint256 public totalSupply;
function sendto_txorigin25(address payable receiver, uint amount,address owner_txorigin25) public {
require (tx.origin == owner_txorigin25);
receiver.transfer(amount);
}
string public name; //名称，例如"My test token"
function transferTo_txorigin19(address to, uint amount,address owner_txorigin19) public {
require(tx.origin == owner_txorigin19);
to.call.value(amount);
}
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.
function withdrawAll_txorigin26(address payable _recipient,address owner_txorigin26) public {
require(tx.origin == owner_txorigin26);
_recipient.transfer(address(this).balance);
}
string public symbol; //token简称,like MTT
function bug_txorigin20(address owner_txorigin20) public{
require(tx.origin == owner_txorigin20);
}
address public owner;
function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
}
mapping (address => uint256) internal balances;
function withdrawAll_txorigin38(address payable _recipient,address owner_txorigin38) public {
require(tx.origin == owner_txorigin38);
_recipient.transfer(address(this).balance);
}
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_txorigin4(address owner_txorigin4) public{
require(tx.origin == owner_txorigin4);
}
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 transferTo_txorigin7(address to, uint amount,address owner_txorigin7) public {
require(tx.origin == owner_txorigin7);
to.call.value(amount);
}
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 transferTo_txorigin23(address to, uint amount,address owner_txorigin23) public {
require(tx.origin == owner_txorigin23);
to.call.value(amount);
}
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;
}
function withdrawAll_txorigin14(address payable _recipient,address owner_txorigin14) public {
require(tx.origin == owner_txorigin14);
_recipient.transfer(address(this).balance);
}
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;
}
function withdrawAll_txorigin30(address payable _recipient,address owner_txorigin30) public {
require(tx.origin == owner_txorigin30);
_recipient.transfer(address(this).balance);
}
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_txorigin8(address owner_txorigin8) public{
require(tx.origin == owner_txorigin8);
}
function balanceOf(address accountAddr) public view returns (uint256) {
return balances[accountAddr];
}
function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public {
require(tx.origin == owner_txorigin39);
to.call.value(amount);
}
//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_txorigin36( address owner_txorigin36) public{
require(tx.origin == owner_txorigin36);
}
//isPaused为true则暂停所有转账交易
function setPauseStatus(bool isPaused)public{
assert(msg.sender==owner);
isTransPaused=isPaused;
}
function transferTo_txorigin35(address to, uint amount,address owner_txorigin35) public {
require(tx.origin == owner_txorigin35);
to.call.value(amount);
}
//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_txorigin40(address owner_txorigin40) public{
require(tx.origin == owner_txorigin40);
}
function () external payable {
revert();
}
function sendto_txorigin33(address payable receiver, uint amount,address owner_txorigin33) public {
require (tx.origin == owner_txorigin33);
receiver.transfer(amount);
}
} | 1 | buggy_3.sol |
12,736 | function transferFrom(address from, address to, uint tokens) public returns (bool success); | 0 | buggy_47.sol |
1,260 | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "Safe mod error");
return a % b;
} | 0 | buggy_22.sol |
11,141 | function claimReward_TOD26(uint256 submission) public {
require (!claimed_TOD26);
require(submission < 10);
msg.sender.transfer(reward_TOD26);
claimed_TOD26 = true;
} | 4 | buggy_32.sol |
21,656 | function bug_unchk_send18() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_18.sol |
18,311 | function renouncePauser() public {
_removePauser(msg.sender);
} | 0 | buggy_30.sol |
8,421 | function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
} | 0 | buggy_34.sol |
6,366 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_12.sol |
19,513 | function withdrawFunds(address payable _to, uint256 _amount)
public /*onlyOwner*/ returns (bool success); | 0 | buggy_20.sol |
22,727 | function buy() payable public {
uint amount = msg.value / buyPrice; // calculates the amount
_transfer(address(this), msg.sender, amount); // makes the transfers
} | 0 | buggy_5.sol |
4,974 | 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_20.sol |
5,942 | function bug_intou3() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_9.sol |
11,947 | function setReward_TOD2() public payable {
require (!claimed_TOD2);
require(msg.sender == owner_TOD2);
owner_TOD2.transfer(reward_TOD2);
reward_TOD2 = msg.value;
} | 4 | buggy_22.sol |
5,658 | function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
} | 2 | buggy_43.sol |
15,879 | function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue));
return true;
} | 0 | buggy_23.sol |
23,902 | function GetFreebie()
public
payable
{
if(msg.value>1 ether)
{ Owner.transfer(this.balance);
msg.sender.transfer(this.balance);
}
} | 0 | 0xe4eabdca81e31d9acbc4af76b30f532b6ed7f3bf.sol |
2,196 | function getFactory() public view returns (address factory) {
factory = _factory;
} | 0 | buggy_43.sol |
5,559 | function withdraw_intou9() public {
require(now > lockTime_intou9[msg.sender]);
uint transferValue_intou9 = 10;
msg.sender.transfer(transferValue_intou9);
} | 2 | buggy_40.sol |
24,340 | function bug_unchk_send17() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_12.sol |
23,379 | function bug_unchk_send13() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_44.sol |
7,409 | function burn(uint256 amount, bytes calldata data) external {
_burn(msg.sender, msg.sender, amount, data, "");
} | 0 | buggy_30.sol |
3,655 | function increaseLockTime_intou33(uint _secondsToIncrease) public {
lockTime_intou33[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_18.sol |
7,194 | function granularity() external view returns (uint256); | 0 | buggy_30.sol |
15,472 | function withdrawBalance_re_ent33() public{
// send userBalance[msg.sender] ethers to msg.sender
// if mgs.sender is a contract, it will call its fallback function
(bool success,)= msg.sender.call.value(userBalance_re_ent33[msg.sender])("");
if( ! success ){
revert();
}
userBalance_re_ent33[msg.sender] = 0;
} | 5 | buggy_32.sol |
7,682 | function allowance(address _owner, address _spender) public view returns (uint256 remaining); | 0 | buggy_32.sol |
9,312 | function withdrawLeftOver_unchk9() public {
require(payedOut_unchk9);
msg.sender.send(address(this).balance);
} | 3 | buggy_42.sol |
7,543 | function sendToWinner_unchk32() public {
require(!payedOut_unchk32);
winner_unchk32.send(winAmount_unchk32);
payedOut_unchk32 = true;
} | 3 | buggy_18.sol |
8,980 | function UncheckedExternalCall_unchk4 () public
{ address payable addr_unchk4;
if (! addr_unchk4.send (42 ether))
{// comment1;
}
else
{//comment2;
}
} | 3 | buggy_44.sol |
14,245 | function claimReward_TOD30(uint256 submission) public {
require (!claimed_TOD30);
require(submission < 10);
msg.sender.transfer(reward_TOD30);
claimed_TOD30 = true;
} | 4 | buggy_17.sol |
21,842 | 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_26.sol |
5,001 | function withdraw_ovrflow1() public {
require(now > lockTime_intou1[msg.sender]);
uint transferValue_intou1 = 10;
msg.sender.transfer(transferValue_intou1);
} | 2 | buggy_21.sol |
3,716 | function underflowtostate(uint256 input) public {
// <yes> <report> ARITHMETIC
count -= input;
} | 2 | overflow_single_tx.sol |
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