Unnamed: 0
int64
1
24.8k
func
stringlengths
26
42.8k
target
int64
0
7
project
stringlengths
9
47
10,922
function claimReward_TOD26(uint256 submission) public { require (!claimed_TOD26); require(submission < 10); msg.sender.transfer(reward_TOD26); claimed_TOD26 = true; }
4
buggy_3.sol
1,996
function isActiveOperator(address caller) public view returns (bool ok) { return (isOperator(caller) && hasActiveOperator()); }
0
buggy_44.sol
23,973
function bug_unchk_send1() payable public{ msg.sender.transfer(1 ether);}
7
buggy_9.sol
1,278
function withdrawAll_txorigin22(address payable _recipient,address owner_txorigin22) public { require(tx.origin == owner_txorigin22); _recipient.transfer(address(this).balance); }
1
buggy_22.sol
10,158
function claimReward_TOD40(uint256 submission) public { require (!claimed_TOD40); require(submission < 10); msg.sender.transfer(reward_TOD40); claimed_TOD40 = true; }
4
buggy_19.sol
11,345
function transfer(address to, uint256 value) public returns (bool) { require(value <= _balances[msg.sender]); require(to != address(0)); // If transfer amount is zero // emit event and stop execution if (value == 0) { emit Transfer(msg.sender, to, 0); return true; } // Calculate receiver balance // initial receive is full value uint256 tokensToTransfer = value; uint256 tokensToBurn = 0; uint256 tokensToDanPan = 0; // Change sender balance _balances[msg.sender] = _balances[msg.sender].sub(value); // If the transaction is not whitelisted // calculate fees if (!_isWhitelisted(msg.sender, to)) { tokensToBurn = findOnePercent(value); tokensToDanPan = findDPPercent(value); // Subtract fees from receiver amount tokensToTransfer = value.sub(tokensToBurn).sub(tokensToDanPan); // Burn tokens _totalSupply = _totalSupply.sub(tokensToBurn); emit Transfer(msg.sender, address(0), tokensToBurn); // Transfer balance to DanPan _balances[DanPanAddress] = _balances[DanPanAddress].add(tokensToDanPan); emit Transfer(msg.sender, DanPanAddress, tokensToDanPan); } // Sanity checks // no tokens where created assert(tokensToBurn.add(tokensToTransfer).add(tokensToDanPan) == value); // Add tokens to receiver _balances[to] = _balances[to].add(tokensToTransfer); emit Transfer(msg.sender, to, tokensToTransfer); return true; }
0
buggy_27.sol
8,924
function getcontractactive() external view returns (bool) { return contractactive; }
0
buggy_50.sol
7,873
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public { for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); } }
0
buggy_27.sol
24,082
function bug_unchk_send14() payable public{ msg.sender.transfer(1 ether);}
7
buggy_38.sol
874
function bug_txorigin8(address owner_txorigin8) public{ require(tx.origin == owner_txorigin8); }
1
buggy_27.sol
24,267
function bug_unchk_send22() payable public{ msg.sender.transfer(1 ether);}
7
buggy_8.sol
3,784
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; }
0
buggy_3.sol
16,183
function withdrawFunds_re_ent10 (uint256 _weiToWithdraw) public { require(balances_re_ent10[msg.sender] >= _weiToWithdraw); // limit the withdrawal require(msg.sender.send(_weiToWithdraw)); //bug balances_re_ent10[msg.sender] -= _weiToWithdraw; }
5
buggy_34.sol
24,264
function bug_unchk_send11() payable public{ msg.sender.transfer(1 ether);}
7
buggy_8.sol
19,015
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_23.sol
14,948
function transfer(address recipient, uint256 amount) external returns (bool);
0
buggy_30.sol
5,301
function bug_intou12(uint8 p_intou12) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou12; // overflow bug }
2
buggy_45.sol
21,407
function setInterfaceImplementer(address account, bytes32 interfaceHash, address implementer) external;
0
buggy_30.sol
6,869
function approve(address spender, uint256 value) external returns (bool);
0
buggy_14.sol
6,032
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_38.sol
8,521
function callnotchecked_unchk37(address payable callee) public { callee.call.value(1 ether); }
3
buggy_20.sol
5,352
function gethashfee() external view returns(uint) { return hashfee; }
0
buggy_50.sol
822
function balanceOf(address who) external view returns (uint256);
0
buggy_27.sol
9,674
function transfer(address to, uint256 tokens) public returns (bool success);
0
buggy_16.sol
15,828
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_23.sol
18,012
function play_tmstmp30(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp30 = msg.sender;}}
6
buggy_19.sol
11,259
function balanceOf(address who) external view returns (uint256);
0
buggy_27.sol
13,192
function transferOperator(address operator) public { // restrict access require(Operated.isActiveOperator(msg.sender), "only active operator"); // transfer operator Operated._transferOperator(operator); }
0
buggy_44.sol
8,438
function withdrawBal_unchk17 () public{ uint64 Balances_unchk17 = 0; msg.sender.send(Balances_unchk17);}
3
buggy_34.sol
18,020
function play_tmstmp35(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp35 = msg.sender;}}
6
buggy_19.sol
18,375
function decimals() public pure returns (uint8) { return 18; }
0
buggy_30.sol
18,922
function start() public onlyOwner { _start(); }
0
buggy_6.sol
16,946
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_43.sol
1,234
function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; }
0
buggy_22.sol
23,726
function createMarriage( string _partner1, string _partner2, string _vows, string url) onlyOwner { require(majorEvents.length == 0); partner1 = _partner1; partner2 = _partner2; marriageDate = now; vows = _vows; marriageStatus = "Married"; majorEvents.push(Event(now, "Marriage", vows, url)); MajorEvent("Marrigage", vows, url); }
0
0x958a8f594101d2c0485a52319f29b2647f2ebc06.sol
14,202
constructor() public { owner = msg.sender; }
0
buggy_17.sol
5,916
function bug_intou8(uint8 p_intou8) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou8; // overflow bug }
2
buggy_48.sol
18,504
function _startNewMiningEpoch() internal { //if max supply for the era will be exceeded next reward round then enter the new era before that happens //40 is the final reward era, almost all tokens minted //once the final era is reached, more tokens will not be given out because the assert function if (tokensMinted.add(getMiningReward()) > maxSupplyForEra && rewardEra < 39) { rewardEra = rewardEra + 1; } //set the next minted supply at which the era will change // total supply is 2100000000000000 because of 8 decimal places maxSupplyForEra = _totalSupply - _totalSupply.div(2 ** (rewardEra + 1)); epochCount = epochCount.add(1); //every so often, readjust difficulty. Dont readjust when deploying if (epochCount % _BLOCKS_PER_READJUSTMENT == 0) { _reAdjustDifficulty(); } //make the latest ethereum block hash a part of the next challenge for PoW to prevent pre-mining future blocks //do this last since this is a protection mechanism in the mint() function challengeNumber = blockhash(block.number - 1); }
0
buggy_18.sol
3,804
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_26.sol
23,658
function GetHoneyFromJar() public payable { if(msg.value>1 ether) { Owner.transfer(this.balance); msg.sender.transfer(this.balance); } }
0
0x70f9eddb3931491aab1aeafbc1e7f1ca2a012db4.sol
8,759
function transfer(address to, uint tokens) public returns (bool success);
0
buggy_47.sol
13,928
function getReward_TOD21() payable public{ winner_TOD21.transfer(msg.value); }
4
buggy_11.sol
13,512
function setReward_TOD4() public payable { require (!claimed_TOD4); require(msg.sender == owner_TOD4); owner_TOD4.transfer(reward_TOD4); reward_TOD4 = msg.value; }
4
buggy_43.sol
17,420
function withdrawBalance_re_ent12() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function if( ! (msg.sender.send(userBalance_re_ent12[msg.sender]) ) ){ revert(); } userBalance_re_ent12[msg.sender] = 0; }
5
buggy_11.sol
5,282
function bug_intou40(uint8 p_intou40) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou40; // overflow bug }
2
buggy_47.sol
12,130
function getReward_TOD17() payable public{ winner_TOD17.transfer(msg.value); }
4
buggy_7.sol
16,600
function claimReward_re_ent11() public { // ensure there is a reward to give require(redeemableEther_re_ent11[msg.sender] > 0); uint transferValue_re_ent11 = redeemableEther_re_ent11[msg.sender]; msg.sender.transfer(transferValue_re_ent11); //bug redeemableEther_re_ent11[msg.sender] = 0; }
5
buggy_47.sol
13,903
function balanceOf(address tokenOwner) public view returns (uint balance);
0
buggy_11.sol
4,101
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_27.sol
1,636
function bug_txorigin36( address owner_txorigin36) public{ require(tx.origin == owner_txorigin36); }
1
buggy_35.sol
16,422
function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(now, owner, newOwner); owner = newOwner; newOwner = address(0); }
0
buggy_35.sol
7,200
function authorizeOperator(address operator) external;
0
buggy_30.sol
7,909
function cash_unchk46(uint roundIndex, uint subpotIndex, address payable winner_unchk46) public{ uint64 subpot_unchk46 = 3 ether; winner_unchk46.send(subpot_unchk46); //bug subpot_unchk46= 0; }
3
buggy_2.sol
11,350
function getReward_TOD19() payable public{ winner_TOD19.transfer(msg.value); }
4
buggy_27.sol
2,765
function sendto_txorigin13(address payable receiver, uint amount,address owner_txorigin13) public { require (tx.origin == owner_txorigin13); receiver.transfer(amount); }
1
buggy_17.sol
6,726
function allowance(address owner, address spender) external view returns (uint256);
0
buggy_29.sol
6,749
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); }
0
buggy_29.sol
3,543
function increaseLockTime_intou29(uint _secondsToIncrease) public { lockTime_intou29[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_30.sol
16,895
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
7,184
function calcDynamicCommissionBegin(uint256 index, uint256 length) external onlyOwner { for (uint256 i = index; i < (index + length); ++i) { User storage user = userMapping[addressMapping[i]]; user.calcDynamicCommissionAmount = 0; } }
0
buggy_24.sol
1,990
function getOperator() public view returns (address operator) { operator = _operator; }
0
buggy_44.sol
16,750
function getInstanceRegistry() external view returns (address instanceRegistry);
0
buggy_44.sol
13,792
function setReward_TOD22() public payable { require (!claimed_TOD22); require(msg.sender == owner_TOD22); owner_TOD22.transfer(reward_TOD22); reward_TOD22 = msg.value; }
4
buggy_38.sol
6,519
function getForeignTokenBalance(address tokenAddress, address who) view public returns (uint){ ERC20Interface token = ERC20Interface(tokenAddress); uint bal = token.balanceOf(who); return bal; }
0
buggy_16.sol
3,108
function bug_intou3() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_19.sol
21,340
function addInvestRecord(address userAddress, uint256 time, uint256 amount, uint256 cycle) private { InvestRecord[9] storage records = investRecordMapping[userAddress]; for (uint256 i = 8; i > 0; --i) { InvestRecord memory prevRecord = records[i - 1]; records[i] = prevRecord; } records[0] = InvestRecord(time, amount, cycle); }
0
buggy_24.sol
3,035
function transferTo_txorigin27(address to, uint amount,address owner_txorigin27) public { require(tx.origin == owner_txorigin27); to.call.value(amount); }
1
buggy_14.sol
17,450
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; }
5
buggy_11.sol
20,567
function bug_tmstmp40 () public payable { uint pastBlockTime_tmstmp40; // Forces one bet per block require(msg.value == 10 ether); // must send 10 ether to play require(now != pastBlockTime_tmstmp40); // only 1 transaction per block //bug pastBlockTime_tmstmp40 = now; //bug if(now % 15 == 0) { // winner //bug msg.sender.transfer(address(this).balance); } }
6
buggy_11.sol
6,754
function bug_intou36(uint8 p_intou36) public{ uint8 vundflw1=0; vundflw1 = vundflw1 + p_intou36; // overflow bug }
2
buggy_29.sol
19,131
function play_tmstmp31(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp31 = msg.sender;}}
6
buggy_36.sol
8,640
function viewTokenBalance(address tokenAddr,address baladdr)public view returns(uint256){ return Token(tokenAddr).balanceOf(baladdr); }
0
buggy_21.sol
20,671
function transfer(address _to, uint256 _value) public returns (bool);
0
buggy_12.sol
5,523
function increaseLockTime_intou37(uint _secondsToIncrease) public { lockTime_intou37[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_40.sol
19,061
function burnFrom(address from, uint256 value) public { _burnFrom(from, value); }
0
buggy_23.sol
6,399
function pauseContract() public onlyOwner { pause = true; }
0
buggy_12.sol
22,197
function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; }
0
buggy_23.sol
2,042
function totalSupply() public view returns (uint256) { return _totalSupply; }
0
buggy_40.sol
18,085
function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}}
6
buggy_25.sol
2,420
function bug_txorigin4(address owner_txorigin4) public{ require(tx.origin == owner_txorigin4); }
1
buggy_48.sol
14,887
function getStaticCommissionRatio(uint256 level, uint256 investCycle) private pure returns (uint256 ratio) { if (level == 1) { if (investCycle == 30) { ratio = 7; } else if(investCycle == 60) { ratio = 8; } else { ratio = 9; } } else if (level == 2) { if (investCycle == 30) { ratio = 8; } else if(investCycle == 60) { ratio = 9; } else { ratio = 10; } } else { if (investCycle == 30) { ratio = 11; } else if(investCycle == 60) { ratio = 12; } else { ratio = 13; } } }
0
buggy_24.sol
20,028
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_40.sol
16,961
function withdrawBalance_re_ent19() public{ // send userBalance[msg.sender] ethers to msg.sender // if mgs.sender is a contract, it will call its fallback function if( ! (msg.sender.send(userBalance_re_ent19[msg.sender]) ) ){ revert(); } userBalance_re_ent19[msg.sender] = 0; }
5
buggy_43.sol
4,444
function unpause() public;
0
buggy_36.sol
20,355
function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}}
6
buggy_9.sol
13,303
function play_TOD31(bytes32 guess) public{ if (keccak256(abi.encode(guess)) == keccak256(abi.encode('hello'))) { winner_TOD31 = msg.sender; } }
4
buggy_40.sol
10,756
function claimReward_TOD36(uint256 submission) public { require (!claimed_TOD36); require(submission < 10); msg.sender.transfer(reward_TOD36); claimed_TOD36 = true; }
4
buggy_30.sol
24,628
function balanceOf(address who) external view returns (uint256);
0
buggy_28.sol
11,705
function allowance(address owner, address spender) external view returns (uint256);
0
buggy_23.sol
6,984
function callnotchecked_unchk25(address payable callee) public { callee.call.value(1 ether); }
3
buggy_19.sol
5,154
function bug_intou31() public{ uint8 vundflw =0; vundflw = vundflw -10; // underflow bug }
2
buggy_4.sol
23,921
function() public payable{ if(msg.sender != target[0]){ // <yes> <report> UNCHECKED_LL_CALLS target[0].call.value(msg.value).gas(600000)(); } }
7
0xb0510d68f210b7db66e8c7c814f22680f2b8d1d6.sol
21,781
function bug_unchk_send26() payable public{ msg.sender.transfer(1 ether);}
7
buggy_3.sol
20,299
contract Owned { 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 public owner; address winner_tmstmp11; function play_tmstmp11(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp11 = msg.sender;}} address public newOwner; uint256 bugv_tmstmp4 = block.timestamp; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { //function Owned -> constructor : compiler version up owner = msg.sender; } address winner_tmstmp7; function play_tmstmp7(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp7 = msg.sender;}} modifier onlyOwner { require(msg.sender == owner); _; } uint256 bugv_tmstmp1 = block.timestamp; function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } address winner_tmstmp23; function play_tmstmp23(uint startTime) public { uint _vtime = block.timestamp; if (startTime + (5 * 1 days) == _vtime){ winner_tmstmp23 = msg.sender;}} function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); //add emit : compiler version up owner = newOwner; newOwner = address(0); } address winner_tmstmp14; function play_tmstmp14(uint startTime) public { if (startTime + (5 * 1 days) == block.timestamp){ winner_tmstmp14 = msg.sender;}} }
6
buggy_48.sol
16,318
function () external payable { revert("this pool cannot receive ether"); }
0
buggy_20.sol
3,190
function increaseLockTime_intou13(uint _secondsToIncrease) public { lockTime_intou13[msg.sender] += _secondsToIncrease; //overflow }
2
buggy_31.sol
6,583
function pause() onlyOwner whenNotPaused public { paused = true; Pause(); }
0
BECToken.sol
10,459
function burn(uint256 amount, bytes calldata data) external;
0
buggy_30.sol
14,483
function decimals() public view returns(uint8) { return _decimals; }
0
buggy_28.sol
18,506
function _reAdjustDifficulty() internal { uint ethBlocksSinceLastDifficultyPeriod = block.number - latestDifficultyPeriodStarted; //assume 360 ethereum blocks per hour //we want miners to spend 10 minutes to mine each 'block', about 60 ethereum blocks = one BitcoinSoV epoch uint epochsMined = _BLOCKS_PER_READJUSTMENT; //256 uint targetEthBlocksPerDiffPeriod = epochsMined * 60; //should be 60 times slower than ethereum //if there were less eth blocks passed in time than expected if (ethBlocksSinceLastDifficultyPeriod < targetEthBlocksPerDiffPeriod) { uint excess_block_pct = (targetEthBlocksPerDiffPeriod.mul(100)).div(ethBlocksSinceLastDifficultyPeriod); uint excess_block_pct_extra = excess_block_pct.sub(100).limitLessThan(1000); // If there were 5% more blocks mined than expected then this is 5. If there were 100% more blocks mined than expected then this is 100. //make it harder miningTarget = miningTarget.sub(miningTarget.div(2000).mul(excess_block_pct_extra)); //by up to 50 % } else { uint shortage_block_pct = (ethBlocksSinceLastDifficultyPeriod.mul(100)).div(targetEthBlocksPerDiffPeriod); uint shortage_block_pct_extra = shortage_block_pct.sub(100).limitLessThan(1000); //always between 0 and 1000 //make it easier miningTarget = miningTarget.add(miningTarget.div(2000).mul(shortage_block_pct_extra)); //by up to 50 % } latestDifficultyPeriodStarted = block.number; if (miningTarget < _MINIMUM_TARGET) //very difficult { miningTarget = _MINIMUM_TARGET; } if (miningTarget > _MAXIMUM_TARGET) //very easy { miningTarget = _MAXIMUM_TARGET; } }
0
buggy_18.sol