Unnamed: 0
int64 1
24.8k
| func
stringlengths 26
42.8k
| target
int64 0
7
| project
stringlengths 9
47
|
|---|---|---|---|
8,662 | function my_func_unchk11(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_35.sol |
16,161 | contract AccountWallet is Ownable
{
mapping(address => uint) balances_re_ent1;
function withdraw_balances_re_ent1 () public {
(bool success,) =msg.sender.call.value(balances_re_ent1[msg.sender ])("");
if (success)
balances_re_ent1[msg.sender] = 0;
}
mapping(string => string) private btc;
bool not_called_re_ent41 = true;
function bug_re_ent41() public{
require(not_called_re_ent41);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent41 = false;
}
mapping(string => address) private eth;
bool not_called_re_ent27 = true;
function bug_re_ent27() public{
require(not_called_re_ent27);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent27 = false;
}
event SetAddress(string account, string btcAddress, address ethAddress);
mapping(address => uint) balances_re_ent31;
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;
}
event UpdateAddress(string from, string to);
bool not_called_re_ent13 = true;
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;
}
event DeleteAddress(string account);
function version() external pure returns(string memory)
{
return '1.0.0';
}
address payable lastPlayer_re_ent23;
uint jackpot_re_ent23;
function buyTicket_re_ent23() public{
if (!(lastPlayer_re_ent23.send(jackpot_re_ent23)))
revert();
lastPlayer_re_ent23 = msg.sender;
jackpot_re_ent23 = address(this).balance;
}
function getAddress(string calldata account) external view returns (string memory, address)
{
return (btc[account], eth[account]);
}
uint256 counter_re_ent14 =0;
function callme_re_ent14() public{
require(counter_re_ent14<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent14 += 1;
}
function setAddress(string calldata account, string calldata btcAddress, address ethAddress) external onlyMaster onlyWhenNotStopped
{
require(bytes(account).length > 0);
btc[account] = btcAddress;
eth[account] = ethAddress;
emit SetAddress(account, btcAddress, ethAddress);
}
address payable lastPlayer_re_ent30;
uint jackpot_re_ent30;
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;
}
function updateAccount(string calldata from, string calldata to) external onlyMaster onlyWhenNotStopped
{
require(bytes(from).length > 0);
require(bytes(to).length > 0);
btc[to] = btc[from];
eth[to] = eth[from];
btc[from] = '';
eth[from] = address(0);
emit UpdateAddress(from, to);
}
mapping(address => uint) balances_re_ent8;
function withdraw_balances_re_ent8 () public {
(bool success,) = msg.sender.call.value(balances_re_ent8[msg.sender ])("");
if (success)
balances_re_ent8[msg.sender] = 0;
}
function deleteAccount(string calldata account) external onlyMaster onlyWhenNotStopped
{
require(bytes(account).length > 0);
btc[account] = '';
eth[account] = address(0);
emit DeleteAddress(account);
}
mapping(address => uint) redeemableEther_re_ent39;
function claimReward_re_ent39() public {
// ensure there is a reward to give
require(redeemableEther_re_ent39[msg.sender] > 0);
uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender];
msg.sender.transfer(transferValue_re_ent39); //bug
redeemableEther_re_ent39[msg.sender] = 0;
}
} | 5 | buggy_7.sol |
4,773 | function bug_intou24(uint8 p_intou24) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou24; // overflow bug
} | 2 | buggy_34.sol |
24,554 | function receiveApproval(address _from, uint256 _value, address _token, bytes calldata _extraData) external; | 0 | buggy_15.sol |
24,411 | function bug_unchk_send5() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_16.sol |
13,006 | function setReward_TOD14() public payable {
require (!claimed_TOD14);
require(msg.sender == owner_TOD14);
owner_TOD14.transfer(reward_TOD14);
reward_TOD14 = msg.value;
} | 4 | buggy_50.sol |
18,477 | function totalSupply() public view returns(uint); | 0 | buggy_18.sol |
1,404 | function sendto_txorigin17(address payable receiver, uint amount,address owner_txorigin17) public {
require (tx.origin == owner_txorigin17);
receiver.transfer(amount);
} | 1 | buggy_34.sol |
9,190 | function getOperator() public view returns (address operator) {
operator = _operator;
} | 0 | buggy_43.sol |
4,473 | function bug_intou12(uint8 p_intou12) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou12; // overflow bug
} | 2 | buggy_36.sol |
6,933 | function increaseLockTime_intou9(uint _secondsToIncrease) public {
lockTime_intou9[msg.sender] += _secondsToIncrease; //overflow
} | 2 | buggy_14.sol |
700 | function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(_from, _to, _value);
return true;
} | 0 | buggy_32.sol |
12,223 | function claimReward_TOD34(uint256 submission) public {
require (!claimed_TOD34);
require(submission < 10);
msg.sender.transfer(reward_TOD34);
claimed_TOD34 = true;
} | 4 | buggy_34.sol |
16,398 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
} | 0 | buggy_35.sol |
3,168 | function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
} | 0 | buggy_31.sol |
15,638 | 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_2.sol |
1,034 | function bug_txorigin32( address owner_txorigin32) public{
require(tx.origin == owner_txorigin32);
} | 1 | buggy_23.sol |
11,423 | 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;
} | 0 | buggy_2.sol |
21,198 | function bug_unchk_send3() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_19.sol |
8,151 | function _burn(address account, uint256 value) internal {
require(account != address(0));
_totalSupply = _totalSupply.sub(value);
_balances[account] = _balances[account].sub(value);
emit Transfer(account, address(0), value);
} | 0 | buggy_23.sol |
8,278 | 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, "Safe mul error");
return c;
} | 0 | buggy_22.sol |
4,421 | function withdraw_ovrflow1() public {
require(now > lockTime_intou1[msg.sender]);
uint transferValue_intou1 = 10;
msg.sender.transfer(transferValue_intou1);
} | 2 | buggy_36.sol |
923 | function bug_txorigin12(address owner_txorigin12) public{
require(tx.origin == owner_txorigin12);
} | 1 | buggy_6.sol |
666 | function allowance(address _owner, address _spender) public view returns (uint256 remaining); | 0 | buggy_32.sol |
12,023 | function getReward_TOD31() payable public{
winner_TOD31.transfer(msg.value);
} | 4 | buggy_22.sol |
10,252 | function claimReward_TOD40(uint256 submission) public {
require (!claimed_TOD40);
require(submission < 10);
msg.sender.transfer(reward_TOD40);
claimed_TOD40 = true;
} | 4 | buggy_25.sol |
3,614 | function transfer_intou10(address _to, uint _value) public returns (bool) {
require(balances_intou10[msg.sender] - _value >= 0); //bug
balances_intou10[msg.sender] -= _value; //bug
balances_intou10[_to] += _value; //bug
return true;
} | 2 | buggy_18.sol |
13,684 | function claimReward_TOD20(uint256 submission) public {
require (!claimed_TOD20);
require(submission < 10);
msg.sender.transfer(reward_TOD20);
claimed_TOD20 = true;
} | 4 | buggy_48.sol |
6,736 | function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath: modulo by zero");
return a % b;
} | 0 | buggy_29.sol |
9,474 | constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
} | 0 | buggy_38.sol |
12,755 | function play_TOD19(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD19 = msg.sender;
}
} | 4 | buggy_47.sol |
14,880 | function buyTicket_re_ent2() public{
if (!(lastPlayer_re_ent2.send(jackpot_re_ent2)))
revert();
lastPlayer_re_ent2 = msg.sender;
jackpot_re_ent2 = address(this).balance;
} | 5 | buggy_24.sol |
22,432 | function vote(
uint proposalNumber,
bool supportsProposal
)
onlyTokenholders public
returns (uint voteID)
{
Proposal storage p = proposals[proposalNumber];
require(p.voted[msg.sender] != true);
voteID = p.votes.length++;
p.votes[voteID] = Vote({inSupport: supportsProposal, voter: msg.sender});
p.voted[msg.sender] = true;
p.numberOfVotes = voteID +1;
emit Voted(proposalNumber, supportsProposal, msg.sender);
return voteID;
} | 0 | buggy_36.sol |
18,562 | function play_tmstmp7(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp7 = msg.sender;}} | 6 | buggy_1.sol |
10,827 | function claimReward_TOD22(uint256 submission) public {
require (!claimed_TOD22);
require(submission < 10);
msg.sender.transfer(reward_TOD22);
claimed_TOD22 = true;
} | 4 | buggy_18.sol |
3,216 | function bug_intou20(uint8 p_intou20) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou20; // overflow bug
} | 2 | buggy_25.sol |
4,955 | function () external payable {
revert("this pool cannot receive ether");
} | 0 | buggy_20.sol |
17,164 | contract LedgerChannel {
string public constant NAME = "Ledger Channel";
string public constant VERSION = "0.0.1";
uint256 public numChannels = 0;
event DidLCOpen (
bytes32 indexed channelId,
address indexed partyA,
address indexed partyI,
uint256 ethBalanceA,
address token,
uint256 tokenBalanceA,
uint256 LCopenTimeout
);
event DidLCJoin (
bytes32 indexed channelId,
uint256 ethBalanceI,
uint256 tokenBalanceI
);
event DidLCDeposit (
bytes32 indexed channelId,
address indexed recipient,
uint256 deposit,
bool isToken
);
event DidLCUpdateState (
bytes32 indexed channelId,
uint256 sequence,
uint256 numOpenVc,
uint256 ethBalanceA,
uint256 tokenBalanceA,
uint256 ethBalanceI,
uint256 tokenBalanceI,
bytes32 vcRoot,
uint256 updateLCtimeout
);
event DidLCClose (
bytes32 indexed channelId,
uint256 sequence,
uint256 ethBalanceA,
uint256 tokenBalanceA,
uint256 ethBalanceI,
uint256 tokenBalanceI
);
event DidVCInit (
bytes32 indexed lcId,
bytes32 indexed vcId,
bytes proof,
uint256 sequence,
address partyA,
address partyB,
uint256 balanceA,
uint256 balanceB
);
event DidVCSettle (
bytes32 indexed lcId,
bytes32 indexed vcId,
uint256 updateSeq,
uint256 updateBalA,
uint256 updateBalB,
address challenger,
uint256 updateVCtimeout
);
event DidVCClose(
bytes32 indexed lcId,
bytes32 indexed vcId,
uint256 balanceA,
uint256 balanceB
);
struct Channel {
//TODO: figure out if it's better just to split arrays by balances/deposits instead of eth/erc20
address[2] partyAddresses; // 0: partyA 1: partyI
uint256[4] ethBalances; // 0: balanceA 1:balanceI 2:depositedA 3:depositedI
uint256[4] erc20Balances; // 0: balanceA 1:balanceI 2:depositedA 3:depositedI
uint256[2] initialDeposit; // 0: eth 1: tokens
uint256 sequence;
uint256 confirmTime;
bytes32 VCrootHash;
uint256 LCopenTimeout;
uint256 updateLCtimeout; // when update LC times out
bool isOpen; // true when both parties have joined
bool isUpdateLCSettling;
uint256 numOpenVC;
HumanStandardToken token;
}
// virtual-channel state
struct VirtualChannel {
bool isClose;
bool isInSettlementState;
uint256 sequence;
address challenger; // Initiator of challenge
uint256 updateVCtimeout; // when update VC times out
// channel state
address partyA; // VC participant A
address partyB; // VC participant B
address partyI; // LC hub
uint256[2] ethBalances;
uint256[2] erc20Balances;
uint256[2] bond;
HumanStandardToken token;
}
mapping(bytes32 => VirtualChannel) public virtualChannels;
mapping(bytes32 => Channel) public Channels;
function createChannel(
bytes32 _lcID,
address _partyI,
uint256 _confirmTime,
address _token,
uint256[2] _balances // [eth, token]
)
public
payable
{
require(Channels[_lcID].partyAddresses[0] == address(0), "Channel has already been created.");
require(_partyI != 0x0, "No partyI address provided to LC creation");
require(_balances[0] >= 0 && _balances[1] >= 0, "Balances cannot be negative");
// Set initial ledger channel state
// Alice must execute this and we assume the initial state
// to be signed from this requirement
// Alternative is to check a sig as in joinChannel
Channels[_lcID].partyAddresses[0] = msg.sender;
Channels[_lcID].partyAddresses[1] = _partyI;
if(_balances[0] != 0) {
require(msg.value == _balances[0], "Eth balance does not match sent value");
Channels[_lcID].ethBalances[0] = msg.value;
}
if(_balances[1] != 0) {
Channels[_lcID].token = HumanStandardToken(_token);
require(Channels[_lcID].token.transferFrom(msg.sender, this, _balances[1]),"CreateChannel: token transfer failure");
Channels[_lcID].erc20Balances[0] = _balances[1];
}
Channels[_lcID].sequence = 0;
Channels[_lcID].confirmTime = _confirmTime;
// is close flag, lc state sequence, number open vc, vc root hash, partyA...
//Channels[_lcID].stateHash = keccak256(uint256(0), uint256(0), uint256(0), bytes32(0x0), bytes32(msg.sender), bytes32(_partyI), balanceA, balanceI);
Channels[_lcID].LCopenTimeout = now + _confirmTime;
Channels[_lcID].initialDeposit = _balances;
emit DidLCOpen(_lcID, msg.sender, _partyI, _balances[0], _token, _balances[1], Channels[_lcID].LCopenTimeout);
}
function LCOpenTimeout(bytes32 _lcID) public {
require(msg.sender == Channels[_lcID].partyAddresses[0] && Channels[_lcID].isOpen == false);
require(now > Channels[_lcID].LCopenTimeout);
if(Channels[_lcID].initialDeposit[0] != 0) {
// <yes> <report> REENTRANCY
Channels[_lcID].partyAddresses[0].transfer(Channels[_lcID].ethBalances[0]);
}
if(Channels[_lcID].initialDeposit[1] != 0) {
// <yes> <report> REENTRANCY
require(Channels[_lcID].token.transfer(Channels[_lcID].partyAddresses[0], Channels[_lcID].erc20Balances[0]),"CreateChannel: token transfer failure");
}
emit DidLCClose(_lcID, 0, Channels[_lcID].ethBalances[0], Channels[_lcID].erc20Balances[0], 0, 0);
// only safe to delete since no action was taken on this channel
delete Channels[_lcID];
}
function joinChannel(bytes32 _lcID, uint256[2] _balances) public payable {
// require the channel is not open yet
require(Channels[_lcID].isOpen == false);
require(msg.sender == Channels[_lcID].partyAddresses[1]);
if(_balances[0] != 0) {
require(msg.value == _balances[0], "state balance does not match sent value");
Channels[_lcID].ethBalances[1] = msg.value;
}
if(_balances[1] != 0) {
require(Channels[_lcID].token.transferFrom(msg.sender, this, _balances[1]),"joinChannel: token transfer failure");
Channels[_lcID].erc20Balances[1] = _balances[1];
}
Channels[_lcID].initialDeposit[0]+=_balances[0];
Channels[_lcID].initialDeposit[1]+=_balances[1];
// no longer allow joining functions to be called
Channels[_lcID].isOpen = true;
numChannels++;
emit DidLCJoin(_lcID, _balances[0], _balances[1]);
}
// additive updates of monetary state
// TODO check this for attack vectors
function deposit(bytes32 _lcID, address recipient, uint256 _balance, bool isToken) public payable {
require(Channels[_lcID].isOpen == true, "Tried adding funds to a closed channel");
require(recipient == Channels[_lcID].partyAddresses[0] || recipient == Channels[_lcID].partyAddresses[1]);
//if(Channels[_lcID].token)
if (Channels[_lcID].partyAddresses[0] == recipient) {
if(isToken) {
require(Channels[_lcID].token.transferFrom(msg.sender, this, _balance),"deposit: token transfer failure");
Channels[_lcID].erc20Balances[2] += _balance;
} else {
require(msg.value == _balance, "state balance does not match sent value");
Channels[_lcID].ethBalances[2] += msg.value;
}
}
if (Channels[_lcID].partyAddresses[1] == recipient) {
if(isToken) {
require(Channels[_lcID].token.transferFrom(msg.sender, this, _balance),"deposit: token transfer failure");
Channels[_lcID].erc20Balances[3] += _balance;
} else {
require(msg.value == _balance, "state balance does not match sent value");
Channels[_lcID].ethBalances[3] += msg.value;
}
}
emit DidLCDeposit(_lcID, recipient, _balance, isToken);
}
// TODO: Check there are no open virtual channels, the client should have cought this before signing a close LC state update
function consensusCloseChannel(
bytes32 _lcID,
uint256 _sequence,
uint256[4] _balances, // 0: ethBalanceA 1:ethBalanceI 2:tokenBalanceA 3:tokenBalanceI
string _sigA,
string _sigI
)
public
{
// assume num open vc is 0 and root hash is 0x0
//require(Channels[_lcID].sequence < _sequence);
require(Channels[_lcID].isOpen == true);
uint256 totalEthDeposit = Channels[_lcID].initialDeposit[0] + Channels[_lcID].ethBalances[2] + Channels[_lcID].ethBalances[3];
uint256 totalTokenDeposit = Channels[_lcID].initialDeposit[1] + Channels[_lcID].erc20Balances[2] + Channels[_lcID].erc20Balances[3];
require(totalEthDeposit == _balances[0] + _balances[1]);
require(totalTokenDeposit == _balances[2] + _balances[3]);
bytes32 _state = keccak256(
abi.encodePacked(
_lcID,
true,
_sequence,
uint256(0),
bytes32(0x0),
Channels[_lcID].partyAddresses[0],
Channels[_lcID].partyAddresses[1],
_balances[0],
_balances[1],
_balances[2],
_balances[3]
)
);
require(Channels[_lcID].partyAddresses[0] == ECTools.recoverSigner(_state, _sigA));
require(Channels[_lcID].partyAddresses[1] == ECTools.recoverSigner(_state, _sigI));
Channels[_lcID].isOpen = false;
if(_balances[0] != 0 || _balances[1] != 0) {
Channels[_lcID].partyAddresses[0].transfer(_balances[0]);
Channels[_lcID].partyAddresses[1].transfer(_balances[1]);
}
if(_balances[2] != 0 || _balances[3] != 0) {
require(Channels[_lcID].token.transfer(Channels[_lcID].partyAddresses[0], _balances[2]),"happyCloseChannel: token transfer failure");
require(Channels[_lcID].token.transfer(Channels[_lcID].partyAddresses[1], _balances[3]),"happyCloseChannel: token transfer failure");
}
numChannels--;
emit DidLCClose(_lcID, _sequence, _balances[0], _balances[1], _balances[2], _balances[3]);
}
// Byzantine functions
function updateLCstate(
bytes32 _lcID,
uint256[6] updateParams, // [sequence, numOpenVc, ethbalanceA, ethbalanceI, tokenbalanceA, tokenbalanceI]
bytes32 _VCroot,
string _sigA,
string _sigI
)
public
{
Channel storage channel = Channels[_lcID];
require(channel.isOpen);
require(channel.sequence < updateParams[0]); // do same as vc sequence check
require(channel.ethBalances[0] + channel.ethBalances[1] >= updateParams[2] + updateParams[3]);
require(channel.erc20Balances[0] + channel.erc20Balances[1] >= updateParams[4] + updateParams[5]);
if(channel.isUpdateLCSettling == true) {
require(channel.updateLCtimeout > now);
}
bytes32 _state = keccak256(
abi.encodePacked(
_lcID,
false,
updateParams[0],
updateParams[1],
_VCroot,
channel.partyAddresses[0],
channel.partyAddresses[1],
updateParams[2],
updateParams[3],
updateParams[4],
updateParams[5]
)
);
require(channel.partyAddresses[0] == ECTools.recoverSigner(_state, _sigA));
require(channel.partyAddresses[1] == ECTools.recoverSigner(_state, _sigI));
// update LC state
channel.sequence = updateParams[0];
channel.numOpenVC = updateParams[1];
channel.ethBalances[0] = updateParams[2];
channel.ethBalances[1] = updateParams[3];
channel.erc20Balances[0] = updateParams[4];
channel.erc20Balances[1] = updateParams[5];
channel.VCrootHash = _VCroot;
channel.isUpdateLCSettling = true;
channel.updateLCtimeout = now + channel.confirmTime;
// make settlement flag
emit DidLCUpdateState (
_lcID,
updateParams[0],
updateParams[1],
updateParams[2],
updateParams[3],
updateParams[4],
updateParams[5],
_VCroot,
channel.updateLCtimeout
);
}
// supply initial state of VC to "prime" the force push game
function initVCstate(
bytes32 _lcID,
bytes32 _vcID,
bytes _proof,
address _partyA,
address _partyB,
uint256[2] _bond,
uint256[4] _balances, // 0: ethBalanceA 1:ethBalanceI 2:tokenBalanceA 3:tokenBalanceI
string sigA
)
public
{
require(Channels[_lcID].isOpen, "LC is closed.");
// sub-channel must be open
require(!virtualChannels[_vcID].isClose, "VC is closed.");
// Check time has passed on updateLCtimeout and has not passed the time to store a vc state
require(Channels[_lcID].updateLCtimeout < now, "LC timeout not over.");
// prevent rentry of initializing vc state
require(virtualChannels[_vcID].updateVCtimeout == 0);
// partyB is now Ingrid
bytes32 _initState = keccak256(
abi.encodePacked(_vcID, uint256(0), _partyA, _partyB, _bond[0], _bond[1], _balances[0], _balances[1], _balances[2], _balances[3])
);
// Make sure Alice has signed initial vc state (A/B in oldState)
require(_partyA == ECTools.recoverSigner(_initState, sigA));
// Check the oldState is in the root hash
require(_isContained(_initState, _proof, Channels[_lcID].VCrootHash) == true);
virtualChannels[_vcID].partyA = _partyA; // VC participant A
virtualChannels[_vcID].partyB = _partyB; // VC participant B
virtualChannels[_vcID].sequence = uint256(0);
virtualChannels[_vcID].ethBalances[0] = _balances[0];
virtualChannels[_vcID].ethBalances[1] = _balances[1];
virtualChannels[_vcID].erc20Balances[0] = _balances[2];
virtualChannels[_vcID].erc20Balances[1] = _balances[3];
virtualChannels[_vcID].bond = _bond;
virtualChannels[_vcID].updateVCtimeout = now + Channels[_lcID].confirmTime;
virtualChannels[_vcID].isInSettlementState = true;
emit DidVCInit(_lcID, _vcID, _proof, uint256(0), _partyA, _partyB, _balances[0], _balances[1]);
}
//TODO: verify state transition since the hub did not agree to this state
// make sure the A/B balances are not beyond ingrids bonds
// Params: vc init state, vc final balance, vcID
function settleVC(
bytes32 _lcID,
bytes32 _vcID,
uint256 updateSeq,
address _partyA,
address _partyB,
uint256[4] updateBal, // [ethupdateBalA, ethupdateBalB, tokenupdateBalA, tokenupdateBalB]
string sigA
)
public
{
require(Channels[_lcID].isOpen, "LC is closed.");
// sub-channel must be open
require(!virtualChannels[_vcID].isClose, "VC is closed.");
require(virtualChannels[_vcID].sequence < updateSeq, "VC sequence is higher than update sequence.");
require(
virtualChannels[_vcID].ethBalances[1] < updateBal[1] && virtualChannels[_vcID].erc20Balances[1] < updateBal[3],
"State updates may only increase recipient balance."
);
require(
virtualChannels[_vcID].bond[0] == updateBal[0] + updateBal[1] &&
virtualChannels[_vcID].bond[1] == updateBal[2] + updateBal[3],
"Incorrect balances for bonded amount");
// Check time has passed on updateLCtimeout and has not passed the time to store a vc state
// virtualChannels[_vcID].updateVCtimeout should be 0 on uninitialized vc state, and this should
// fail if initVC() isn't called first
// require(Channels[_lcID].updateLCtimeout < now && now < virtualChannels[_vcID].updateVCtimeout);
require(Channels[_lcID].updateLCtimeout < now); // for testing!
bytes32 _updateState = keccak256(
abi.encodePacked(
_vcID,
updateSeq,
_partyA,
_partyB,
virtualChannels[_vcID].bond[0],
virtualChannels[_vcID].bond[1],
updateBal[0],
updateBal[1],
updateBal[2],
updateBal[3]
)
);
// Make sure Alice has signed a higher sequence new state
require(virtualChannels[_vcID].partyA == ECTools.recoverSigner(_updateState, sigA));
// store VC data
// we may want to record who is initiating on-chain settles
virtualChannels[_vcID].challenger = msg.sender;
virtualChannels[_vcID].sequence = updateSeq;
// channel state
virtualChannels[_vcID].ethBalances[0] = updateBal[0];
virtualChannels[_vcID].ethBalances[1] = updateBal[1];
virtualChannels[_vcID].erc20Balances[0] = updateBal[2];
virtualChannels[_vcID].erc20Balances[1] = updateBal[3];
virtualChannels[_vcID].updateVCtimeout = now + Channels[_lcID].confirmTime;
emit DidVCSettle(_lcID, _vcID, updateSeq, updateBal[0], updateBal[1], msg.sender, virtualChannels[_vcID].updateVCtimeout);
}
function closeVirtualChannel(bytes32 _lcID, bytes32 _vcID) public {
// require(updateLCtimeout > now)
require(Channels[_lcID].isOpen, "LC is closed.");
require(virtualChannels[_vcID].isInSettlementState, "VC is not in settlement state.");
require(virtualChannels[_vcID].updateVCtimeout < now, "Update vc timeout has not elapsed.");
require(!virtualChannels[_vcID].isClose, "VC is already closed");
// reduce the number of open virtual channels stored on LC
Channels[_lcID].numOpenVC--;
// close vc flags
virtualChannels[_vcID].isClose = true;
// re-introduce the balances back into the LC state from the settled VC
// decide if this lc is alice or bob in the vc
if(virtualChannels[_vcID].partyA == Channels[_lcID].partyAddresses[0]) {
Channels[_lcID].ethBalances[0] += virtualChannels[_vcID].ethBalances[0];
Channels[_lcID].ethBalances[1] += virtualChannels[_vcID].ethBalances[1];
Channels[_lcID].erc20Balances[0] += virtualChannels[_vcID].erc20Balances[0];
Channels[_lcID].erc20Balances[1] += virtualChannels[_vcID].erc20Balances[1];
} else if (virtualChannels[_vcID].partyB == Channels[_lcID].partyAddresses[0]) {
Channels[_lcID].ethBalances[0] += virtualChannels[_vcID].ethBalances[1];
Channels[_lcID].ethBalances[1] += virtualChannels[_vcID].ethBalances[0];
Channels[_lcID].erc20Balances[0] += virtualChannels[_vcID].erc20Balances[1];
Channels[_lcID].erc20Balances[1] += virtualChannels[_vcID].erc20Balances[0];
}
emit DidVCClose(_lcID, _vcID, virtualChannels[_vcID].erc20Balances[0], virtualChannels[_vcID].erc20Balances[1]);
}
// todo: allow ethier lc.end-user to nullify the settled LC state and return to off-chain
function byzantineCloseChannel(bytes32 _lcID) public {
Channel storage channel = Channels[_lcID];
// check settlement flag
require(channel.isOpen, "Channel is not open");
require(channel.isUpdateLCSettling == true);
require(channel.numOpenVC == 0);
require(channel.updateLCtimeout < now, "LC timeout over.");
// if off chain state update didnt reblance deposits, just return to deposit owner
uint256 totalEthDeposit = channel.initialDeposit[0] + channel.ethBalances[2] + channel.ethBalances[3];
uint256 totalTokenDeposit = channel.initialDeposit[1] + channel.erc20Balances[2] + channel.erc20Balances[3];
uint256 possibleTotalEthBeforeDeposit = channel.ethBalances[0] + channel.ethBalances[1];
uint256 possibleTotalTokenBeforeDeposit = channel.erc20Balances[0] + channel.erc20Balances[1];
if(possibleTotalEthBeforeDeposit < totalEthDeposit) {
channel.ethBalances[0]+=channel.ethBalances[2];
channel.ethBalances[1]+=channel.ethBalances[3];
} else {
require(possibleTotalEthBeforeDeposit == totalEthDeposit);
}
if(possibleTotalTokenBeforeDeposit < totalTokenDeposit) {
channel.erc20Balances[0]+=channel.erc20Balances[2];
channel.erc20Balances[1]+=channel.erc20Balances[3];
} else {
require(possibleTotalTokenBeforeDeposit == totalTokenDeposit);
}
// reentrancy
uint256 ethbalanceA = channel.ethBalances[0];
uint256 ethbalanceI = channel.ethBalances[1];
uint256 tokenbalanceA = channel.erc20Balances[0];
uint256 tokenbalanceI = channel.erc20Balances[1];
channel.ethBalances[0] = 0;
channel.ethBalances[1] = 0;
channel.erc20Balances[0] = 0;
channel.erc20Balances[1] = 0;
if(ethbalanceA != 0 || ethbalanceI != 0) {
channel.partyAddresses[0].transfer(ethbalanceA);
channel.partyAddresses[1].transfer(ethbalanceI);
}
if(tokenbalanceA != 0 || tokenbalanceI != 0) {
require(
channel.token.transfer(channel.partyAddresses[0], tokenbalanceA),
"byzantineCloseChannel: token transfer failure"
);
require(
channel.token.transfer(channel.partyAddresses[1], tokenbalanceI),
"byzantineCloseChannel: token transfer failure"
);
}
channel.isOpen = false;
numChannels--;
emit DidLCClose(_lcID, channel.sequence, ethbalanceA, ethbalanceI, tokenbalanceA, tokenbalanceI);
}
function _isContained(bytes32 _hash, bytes _proof, bytes32 _root) internal pure returns (bool) {
bytes32 cursor = _hash;
bytes32 proofElem;
for (uint256 i = 64; i <= _proof.length; i += 32) {
assembly { proofElem := mload(add(_proof, i)) }
if (cursor < proofElem) {
cursor = keccak256(abi.encodePacked(cursor, proofElem));
} else {
cursor = keccak256(abi.encodePacked(proofElem, cursor));
}
}
return cursor == _root;
}
//Struct Getters
function getChannel(bytes32 id) public view returns (
address[2],
uint256[4],
uint256[4],
uint256[2],
uint256,
uint256,
bytes32,
uint256,
uint256,
bool,
bool,
uint256
) {
Channel memory channel = Channels[id];
return (
channel.partyAddresses,
channel.ethBalances,
channel.erc20Balances,
channel.initialDeposit,
channel.sequence,
channel.confirmTime,
channel.VCrootHash,
channel.LCopenTimeout,
channel.updateLCtimeout,
channel.isOpen,
channel.isUpdateLCSettling,
channel.numOpenVC
);
}
function getVirtualChannel(bytes32 id) public view returns(
bool,
bool,
uint256,
address,
uint256,
address,
address,
address,
uint256[2],
uint256[2],
uint256[2]
) {
VirtualChannel memory virtualChannel = virtualChannels[id];
return(
virtualChannel.isClose,
virtualChannel.isInSettlementState,
virtualChannel.sequence,
virtualChannel.challenger,
virtualChannel.updateVCtimeout,
virtualChannel.partyA,
virtualChannel.partyB,
virtualChannel.partyI,
virtualChannel.ethBalances,
virtualChannel.erc20Balances,
virtualChannel.bond
);
}
} | 5 | spank_chain_payment.sol |
21,680 | function getMiningTarget() public view returns(uint) {
return miningTarget;
} | 0 | buggy_18.sol |
9,324 | function withdrawLeftOver_unchk45() public {
require(payedOut_unchk45);
msg.sender.send(address(this).balance);
} | 3 | buggy_42.sol |
22,870 | function bug_unchk_send17() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_20.sol |
5,715 | function withdraw_intou9() public {
require(now > lockTime_intou9[msg.sender]);
uint transferValue_intou9 = 10;
msg.sender.transfer(transferValue_intou9);
} | 2 | buggy_43.sol |
2,348 | function transferTo_txorigin39(address to, uint amount,address owner_txorigin39) public {
require(tx.origin == owner_txorigin39);
to.call.value(amount);
} | 1 | buggy_49.sol |
24,520 | function bug_unchk_send25() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_17.sol |
15,639 | 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_2.sol |
802 | function name() public view returns(string memory) {
return _name;
} | 0 | buggy_27.sol |
24,632 | function transferFrom(address from, address to, uint256 value) external returns (bool); | 0 | buggy_28.sol |
6,204 | function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_39.sol |
5,877 | function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
} | 0 | buggy_48.sol |
18,633 | function play_tmstmp30(uint startTime) public {
if (startTime + (5 * 1 days) == block.timestamp){
winner_tmstmp30 = msg.sender;}} | 6 | buggy_26.sol |
18,205 | function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); | 0 | buggy_30.sol |
9,951 | function my_func_unchk35(address payable dst) public payable{
dst.send(msg.value);
} | 3 | buggy_28.sol |
13,401 | function setReward_TOD38() public payable {
require (!claimed_TOD38);
require(msg.sender == owner_TOD38);
owner_TOD38.transfer(reward_TOD38);
reward_TOD38 = msg.value;
} | 4 | buggy_43.sol |
17,828 | function callme_re_ent7() public{
require(counter_re_ent7<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent7 += 1;
} | 5 | buggy_28.sol |
21,993 | function balanceOf(address who) external view returns (uint256); | 0 | buggy_27.sol |
24,409 | function bug_unchk_send8() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_16.sol |
4,538 | function () payable external {
emit receivedEther(msg.sender, msg.value);
} | 0 | buggy_22.sol |
156 | function withdrawAll_txorigin10(address payable _recipient,address owner_txorigin10) public {
require(tx.origin == owner_txorigin10);
_recipient.transfer(address(this).balance);
} | 1 | buggy_24.sol |
20,596 | function bug_tmstmp17() view public returns (bool) {
return block.timestamp >= 1546300800;
} | 6 | buggy_8.sol |
24,740 | function approve(address spender, uint256 value) public returns (bool) {
_approve(msg.sender, spender, value);
return true;
} | 0 | buggy_14.sol |
13,990 | function play_TOD17(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD17 = msg.sender;
}
} | 4 | buggy_11.sol |
5,506 | 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-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
} | 0 | buggy_40.sol |
15,556 | function withdraw_balances_re_ent1 () public {
(bool success,) =msg.sender.call.value(balances_re_ent1[msg.sender ])("");
if (success)
balances_re_ent1[msg.sender] = 0;
} | 5 | buggy_27.sol |
1,945 | function _splitMultiHash(bytes memory source) internal pure returns (MultiHash memory) {
require(source.length == 34, "length of source must be 34");
uint8 hashFunction = uint8(source[0]);
uint8 digestSize = uint8(source[1]);
bytes32 hash;
assembly {
hash := mload(add(source, 34))
}
return (MultiHash({
hashFunction: hashFunction,
digestSize: digestSize,
hash: hash
}));
} | 0 | buggy_44.sol |
7,090 | function setGameInfo (uint64 _fixtureId, uint256 _timestamp, uint32 _odd_homeTeam, uint32 _odd_drawTeam, uint32 _odd_awayTeam, uint32 _odd_over, uint32 _odd_under, uint32 _odd_homeTeamAndDraw, uint32 _odd_homeAndAwayTeam , uint32 _odd_awayTeamAndDraw, uint8 _open_status ) external onlyOwner {
gameList[_fixtureId].timestamp = _timestamp;
gameList[_fixtureId].odd_homeTeam = _odd_homeTeam;
gameList[_fixtureId].odd_drawTeam = _odd_drawTeam;
gameList[_fixtureId].odd_awayTeam = _odd_awayTeam;
gameList[_fixtureId].odd_over = _odd_over;
gameList[_fixtureId].odd_under = _odd_under;
gameList[_fixtureId].odd_homeTeamAndDraw = _odd_homeTeamAndDraw;
gameList[_fixtureId].odd_homeAndAwayTeam = _odd_homeAndAwayTeam;
gameList[_fixtureId].odd_awayTeamAndDraw = _odd_awayTeamAndDraw;
gameList[_fixtureId].open_status = _open_status;
gameList[_fixtureId].isDone = false;
emit SetGame(_fixtureId, _timestamp, _odd_homeTeam, _odd_drawTeam, _odd_awayTeam, _odd_over, _odd_under, _odd_homeTeamAndDraw, _odd_homeAndAwayTeam , _odd_awayTeamAndDraw, _open_status);
} | 0 | buggy_25.sol |
24,236 | function bug_unchk_send6() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_8.sol |
6,351 | function transfer(address to, uint value, bytes memory data) public returns (bool); | 0 | buggy_12.sol |
2,962 | 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;
} | 0 | buggy_28.sol |
9,449 | 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;
} | 0 | buggy_48.sol |
14,391 | function play_TOD19(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD19 = msg.sender;
}
} | 4 | buggy_29.sol |
21,046 | 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;
} | 0 | buggy_28.sol |
10,497 | function approve(address spender, uint256 value) external returns (bool) {
address holder = msg.sender;
_approve(holder, spender, value);
return true;
} | 0 | buggy_30.sol |
6,089 | function transfer(address to, uint256 value) public returns (bool) {
require(value <= _balances[msg.sender]);
require(to != address(0));
uint256 tokensToBurn = findfourPercent(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_38.sol |
9,531 | function burn(uint256 amount) external {
_burn(msg.sender, amount);
} | 0 | buggy_38.sol |
24,360 | function changeOwner(address _new) public onlyOwner {
require(_new != address(0));
owner = _new;
} | 0 | buggy_12.sol |
1,864 | function collectOwnerWinnings() public byOwner inState(State.OWNER_WIN){
selfdestruct(owner);
} | 0 | buggy_45.sol |
10,678 | function granularity() public view returns (uint256) {
return 1;
} | 0 | buggy_30.sol |
7,737 | constructor() public {
owner = msg.sender;
} | 0 | buggy_33.sol |
4,930 | function bug_intou12(uint8 p_intou12) public{
uint8 vundflw1=0;
vundflw1 = vundflw1 + p_intou12; // overflow bug
} | 2 | buggy_20.sol |
5,153 | function burnCoins(uint256 value) public {
require(balances[msg.sender] >= value);
require(_totalSupply >= value);
balances[msg.sender] -= value;
_totalSupply -= value;
emit Transfer(msg.sender, address(0), value);
} | 0 | buggy_4.sol |
8,789 | function allowance(address tokenOwner, address spender) view public returns(uint){
return allowed[tokenOwner][spender];
} | 0 | buggy_47.sol |
13,536 | function play_TOD27(bytes32 guess) public{
if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) {
winner_TOD27 = msg.sender;
}
} | 4 | buggy_42.sol |
24,700 | function bug_unchk_send30() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_28.sol |
22,397 | function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "Safe add error");
return c;
} | 0 | buggy_36.sol |
6,730 | function transferFrom(address from, address to, uint tokens) public returns (bool success); | 0 | buggy_29.sol |
172 | function sendto_txorigin9(address payable receiver, uint amount,address owner_txorigin9) public {
require (tx.origin == owner_txorigin9);
receiver.transfer(amount);
} | 1 | buggy_24.sol |
15,393 | function withdraw_balances_re_ent36 () public {
if (msg.sender.send(balances_re_ent36[msg.sender ]))
balances_re_ent36[msg.sender] = 0;
} | 5 | buggy_26.sol |
2,456 | function allowance(address owner, address spender) external view returns (uint256); | 0 | buggy_38.sol |
6,752 | function bug_intou39() public{
uint8 vundflw =0;
vundflw = vundflw -10; // underflow bug
} | 2 | buggy_29.sol |
21,522 | function bug_unchk_send4() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_30.sol |
5,054 | function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(now, owner, newOwner);
owner = newOwner;
newOwner = address(0);
} | 0 | buggy_35.sol |
13,653 | function balanceOf(address tokenOwner) public view returns (uint balance); | 0 | buggy_48.sol |
20,311 | function play_tmstmp19(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp19 = msg.sender;}} //constant -> view : compiler version up | 6 | buggy_48.sol |
23,549 | function bug_unchk_send16() payable public{
msg.sender.transfer(1 ether);} | 7 | buggy_43.sol |
10,867 | function setReward_TOD26() public payable {
require (!claimed_TOD26);
require(msg.sender == owner_TOD26);
owner_TOD26.transfer(reward_TOD26);
reward_TOD26 = msg.value;
} | 4 | buggy_18.sol |
1,340 | function withdrawAll_txorigin22(address payable _recipient,address owner_txorigin22) public {
require(tx.origin == owner_txorigin22);
_recipient.transfer(address(this).balance);
} | 1 | buggy_7.sol |
20,605 | function transfer(address _to, uint256 _value) public returns (bool success) {
_transfer(msg.sender, _to, _value);
return true;
} | 0 | buggy_8.sol |
16,504 | contract PHO is IERC20 {
mapping(address => uint) userBalance_re_ent26;
function withdrawBalance_re_ent26() 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_ent26[msg.sender])("");
if( ! success ){
revert();
}
userBalance_re_ent26[msg.sender] = 0;
}
string public name = "PHO";
bool not_called_re_ent20 = true;
function bug_re_ent20() public{
require(not_called_re_ent20);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent20 = false;
}
string public symbol = "PHO";
mapping(address => uint) redeemableEther_re_ent32;
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;
}
uint8 public decimals = 18;
mapping(address => uint) balances_re_ent38;
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;
}
uint256 saleAmount;
mapping(address => uint) redeemableEther_re_ent4;
function claimReward_re_ent4() public {
// ensure there is a reward to give
require(redeemableEther_re_ent4[msg.sender] > 0);
uint transferValue_re_ent4 = redeemableEther_re_ent4[msg.sender];
msg.sender.transfer(transferValue_re_ent4); //bug
redeemableEther_re_ent4[msg.sender] = 0;
}
uint256 evtAmount;
uint256 counter_re_ent7 =0;
function callme_re_ent7() public{
require(counter_re_ent7<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent7 += 1;
}
uint256 teamAmount;
address payable lastPlayer_re_ent23;
uint jackpot_re_ent23;
function buyTicket_re_ent23() public{
if (!(lastPlayer_re_ent23.send(jackpot_re_ent23)))
revert();
lastPlayer_re_ent23 = msg.sender;
jackpot_re_ent23 = address(this).balance;
}
uint256 _totalSupply;
uint256 counter_re_ent14 =0;
function callme_re_ent14() public{
require(counter_re_ent14<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent14 += 1;
}
mapping(address => uint256) balances;
address payable lastPlayer_re_ent30;
uint jackpot_re_ent30;
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;
}
address public owner;
mapping(address => uint) balances_re_ent8;
function withdraw_balances_re_ent8 () public {
(bool success,) = msg.sender.call.value(balances_re_ent8[msg.sender ])("");
if (success)
balances_re_ent8[msg.sender] = 0;
}
address public sale;
mapping(address => uint) redeemableEther_re_ent39;
function claimReward_re_ent39() public {
// ensure there is a reward to give
require(redeemableEther_re_ent39[msg.sender] > 0);
uint transferValue_re_ent39 = redeemableEther_re_ent39[msg.sender];
msg.sender.transfer(transferValue_re_ent39); //bug
redeemableEther_re_ent39[msg.sender] = 0;
}
address public evt;
mapping(address => uint) balances_re_ent36;
function withdraw_balances_re_ent36 () public {
if (msg.sender.send(balances_re_ent36[msg.sender ]))
balances_re_ent36[msg.sender] = 0;
}
address public team;
modifier isOwner {
require(owner == msg.sender);
_;
}
constructor() public {
owner = msg.sender;
sale = 0x071F73f4D0befd4406901AACE6D5FFD6D297c561;
evt = 0x76535ca5BF1d33434A302e5A464Df433BB1F80F6;
team = 0xD7EC5D8697e4c83Dc33D781d19dc2910fB165D5C;
saleAmount = toWei(1000000000); //1,000,000,000
evtAmount = toWei(200000000); // 200,000,000
teamAmount = toWei(800000000); // 800,000,000
_totalSupply = toWei(2000000000); //2,000,000,000
require(_totalSupply == saleAmount + evtAmount + teamAmount );
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, balances[owner]);
transfer(sale, saleAmount);
transfer(evt, evtAmount);
transfer(team, teamAmount);
require(balances[owner] == 0);
}
uint256 counter_re_ent35 =0;
function callme_re_ent35() public{
require(counter_re_ent35<=5);
if( ! (msg.sender.send(10 ether) ) ){
revert();
}
counter_re_ent35 += 1;
}
function totalSupply() public view returns (uint) {
return _totalSupply;
}
mapping(address => uint) userBalance_re_ent40;
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;
}
function balanceOf(address who) public view returns (uint256) {
return balances[who];
}
mapping(address => uint) userBalance_re_ent33;
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;
}
function transfer(address to, uint256 value) public returns (bool success) {
require(msg.sender != to);
require(value > 0);
require( balances[msg.sender] >= value );
require( balances[to] + value >= balances[to] );
if(msg.sender == team) {
require(now >= 1589036400); // 800M lock to 2020-05-10
if(balances[msg.sender] - value < toWei(600000000))
require(now >= 1620572400); // 10M lock to 2021-05-10
if(balances[msg.sender] - value < toWei(400000000))
require(now >= 1652108400); // 10M lock to 2022-05-10
if(balances[msg.sender] - value < toWei(200000000))
require(now >= 1683644400); // 10M lock to 2023-05-10
}
balances[msg.sender] -= value;
balances[to] += value;
emit Transfer(msg.sender, to, value);
return true;
}
bool not_called_re_ent27 = true;
function bug_re_ent27() public{
require(not_called_re_ent27);
if( ! (msg.sender.send(1 ether) ) ){
revert();
}
not_called_re_ent27 = false;
}
function burnCoins(uint256 value) public {
require(balances[msg.sender] >= value);
require(_totalSupply >= value);
balances[msg.sender] -= value;
_totalSupply -= value;
emit Transfer(msg.sender, address(0), value);
}
mapping(address => uint) balances_re_ent31;
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;
}
/** @dev private function
*/
function toWei(uint256 value) private view returns (uint256) {
return value * (10 ** uint256(decimals));
}
bool not_called_re_ent13 = true;
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_4.sol |
21,099 | function play_tmstmp31(uint startTime) public {
uint _vtime = block.timestamp;
if (startTime + (5 * 1 days) == _vtime){
winner_tmstmp31 = msg.sender;}} | 6 | buggy_14.sol |
6,775 | function balanceOf(address who) external view returns (uint256); | 0 | buggy_28.sol |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.