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$VANTAGE [BTC Vantage] Token

ALERT: honeypot scam

About $VANTAGE

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Token 24 months

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Laser Scorebeta Last Audit: 12 August 2022

report
Token seems to be a scam (type: honeypot scam).

Reentrancy in VANTAGE._transferFrom(address,address,uint256) (contracts/Greeter.sol#245-304):
External calls:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
- IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
External calls sending eth:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (contracts/Greeter.sol#279-282)
- _balances[recipient] = _balances[recipient].add(amountReceived) (contracts/Greeter.sol#287)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- _balances[gameWallet] = _balances[gameWallet].add(gamePoolToken) (contracts/Greeter.sol#353-355)
- _balances[stakePoolAddress] = _balances[stakePoolAddress].add(stakePoolToken) (contracts/Greeter.sol#362-364)
- _balances[DEAD] = _balances[DEAD].add(burnTokens) (contracts/Greeter.sol#370)
- _balances[gameWallet] = _balances[gameWallet].add(gamePoolToken) (contracts/Greeter.sol#377-379)
- _balances[stakePoolAddress] = _balances[stakePoolAddress].add(stakePoolToken) (contracts/Greeter.sol#386-388)
- _balances[DEAD] = _balances[DEAD].add(burnTokens) (contracts/Greeter.sol#394)
- _balances[address(this)] = _balances[address(this)].add(tokensToContract) (contracts/Greeter.sol#402-404)
Apply the check-effects-interactions pattern.

Additional information: link

DividendDistributor.purge(address) (contracts/DividendDistributor.sol#86-89) ignores return value by REWARD.transfer(receiver,balance) (contracts/DividendDistributor.sol#88)
DividendDistributor.distributeDividend(address) (contracts/DividendDistributor.sol#158-175) ignores return value by REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
VANTAGE.getBep20Tokens(address,uint256) (contracts/Greeter.sol#424-433) ignores return value by IERC20(_tokenAddress).transfer(msg.sender,amount) (contracts/Greeter.sol#432)
VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631) ignores return value by IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631) ignores return value by IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631) ignores return value by IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link


Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

Contract locking ether found:
Contract DividendDistributor (contracts/DividendDistributor.sol#24-257) has payable functions:
- DividendDistributor.receive() (contracts/DividendDistributor.sol#76)
But does not have a function to withdraw the ether
Remove the payable attribute or add a withdraw function.

Additional information: link


Combination 3: Reentrancy vulnerabilities + Unchecked transfer vulnerability. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.


Contract ownership is not renounced (belongs to a wallet)

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0', '^0.8.7']
- ^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#4)
- >=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol#1)
- ^0.8.7 (contracts/DividendDistributor.sol#3)
- ^0.8.7 (contracts/Greeter.sol#3)
Use one Solidity version.

Additional information: link

VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-feeAmount = feeAmount.mul(sellTaxMultiplier) (contracts/Greeter.sol#349)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-gamePoolToken = feeAmount.mul(buyGameFee).div(buyTotalFees) (contracts/Greeter.sol#376)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-gamePoolToken = feeAmount.mul(sellGameFee).div(sellTotalFees) (contracts/Greeter.sol#352)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-stakePoolToken = feeAmount.mul(buyStakePoolFee).div(buyTotalFees) (contracts/Greeter.sol#383-385)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-stakePoolToken = feeAmount.mul(sellStakePoolFee).div(sellTotalFees) (contracts/Greeter.sol#359-361)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-burnTokens = feeAmount.mul(sellBurnFee).div(sellTotalFees) (contracts/Greeter.sol#369)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) performs a multiplication on the result of a division:
-feeAmount = amount.mul(sellTotalFees).div(100) (contracts/Greeter.sol#343)
-burnTokens = feeAmount.mul(buyBurnFee).div(sellTotalFees) (contracts/Greeter.sol#393)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in DividendDistributor.distributeDividend(address) (contracts/DividendDistributor.sol#158-175):
External calls:
- REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
State variables written after the call(s):
- shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount) (contracts/DividendDistributor.sol#168-170)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (contracts/DividendDistributor.sol#171-173)
Reentrancy in DividendDistributor.process(uint256) (contracts/DividendDistributor.sol#120-146):
External calls:
- distributeDividend(shareholders[currentIndex]) (contracts/DividendDistributor.sol#138)
- REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
State variables written after the call(s):
- currentIndex ++ (contracts/DividendDistributor.sol#143)
Reentrancy in DividendDistributor.setShare(address,uint256) (contracts/DividendDistributor.sol#91-111):
External calls:
- distributeDividend(shareholder) (contracts/DividendDistributor.sol#97)
- REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
State variables written after the call(s):
- shares[shareholder].amount = amount (contracts/DividendDistributor.sol#107)
- shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount) (contracts/DividendDistributor.sol#108-110)
Apply the check-effects-interactions pattern.

Additional information: link

VANTAGE.addLiquidity(uint256,uint256) (contracts/Greeter.sol#691-703) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
Ensure that all the return values of the function calls are used.

Additional information: link

VANTAGE._approve(address,address,uint256).owner (contracts/Greeter.sol#209) shadows:
- Ownable.owner() (@openzeppelin/contracts/access/Ownable.sol#35-37) (function)
Rename the local variables that shadow another component.

Additional information: link

DividendDistributor.setDistributionCriteria(uint256,uint256) (contracts/DividendDistributor.sol#78-84) should emit an event for:
- minPeriod = _minPeriod (contracts/DividendDistributor.sol#82)
- minDistribution = _minDistribution (contracts/DividendDistributor.sol#83)
DividendDistributor.deposit(uint256) (contracts/DividendDistributor.sol#113-118) should emit an event for:
- dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)) (contracts/DividendDistributor.sol#115-117)
VANTAGE.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) (contracts/Greeter.sol#435-457) should emit an event for:
- buyBurnFee = burn (contracts/Greeter.sol#447)
- buyStakePoolFee = staking (contracts/Greeter.sol#448)
- buyGameFee = gamePool (contracts/Greeter.sol#449)
- buyTotalFees = reward.add(marketing).add(liquidity).add(burn).add(staking) (contracts/Greeter.sol#451-453)
- buyTotalFees = buyTotalFees.add(gamePool).add(lottery) (contracts/Greeter.sol#454)
VANTAGE.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) (contracts/Greeter.sol#459-481) should emit an event for:
- sellBurnFee = burn (contracts/Greeter.sol#471)
- sellStakePoolFee = staking (contracts/Greeter.sol#472)
- sellGameFee = gamePool (contracts/Greeter.sol#473)
- sellTotalFees = reward.add(marketing).add(liquidity).add(burn).add(staking) (contracts/Greeter.sol#475-477)
- sellTotalFees = sellTotalFees.add(gamePool).add(lottery) (contracts/Greeter.sol#478)
VANTAGE.updateSwapPercentages(uint256,uint256,uint256,uint256) (contracts/Greeter.sol#484-495) should emit an event for:
- marketingSwap = marketing (contracts/Greeter.sol#491)
- liquiditySwap = liquidity (contracts/Greeter.sol#492)
- lotterySwap = lottery (contracts/Greeter.sol#493)
- totalSwap = reward.add(marketing).add(liquidity).add(lottery) (contracts/Greeter.sol#494)
VANTAGE.changeSellFeeMultiplier(uint256) (contracts/Greeter.sol#766-768) should emit an event for:
- sellTaxMultiplier = amount (contracts/Greeter.sol#767)
VANTAGE.setDistributorSettings(uint256) (contracts/Greeter.sol#785-788) should emit an event for:
- distributorGas = gas (contracts/Greeter.sol#787)
Emit an event for critical parameter changes.

Additional information: link

VANTAGE.setMarketingWallet(address)._marketingFeeReceiver (contracts/Greeter.sol#736) lacks a zero-check on :
- marketingFeeReceiver = _marketingFeeReceiver (contracts/Greeter.sol#740)
VANTAGE.setLotteryWallet(address)._lotteryFeeReceiver (contracts/Greeter.sol#743) lacks a zero-check on :
- lotteryFeeReceiver = _lotteryFeeReceiver (contracts/Greeter.sol#744)
VANTAGE.setGamePoolAddress(address)._gameWallet (contracts/Greeter.sol#747) lacks a zero-check on :
- gameWallet = _gameWallet (contracts/Greeter.sol#748)
VANTAGE.setStakePoolAddress(address)._stakePool (contracts/Greeter.sol#751) lacks a zero-check on :
- stakePoolAddress = _stakePool (contracts/Greeter.sol#752)
VANTAGE.changeLotteryAndMarketingToken(address)._tokenAddress (contracts/Greeter.sol#755) lacks a zero-check on :
- LOTTERY = _tokenAddress (contracts/Greeter.sol#759)
Check that the address is not zero.

Additional information: link

DividendDistributor.distributeDividend(address) (contracts/DividendDistributor.sol#158-175) has external calls inside a loop: REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
VANTAGE.switchToken(address,bool) (contracts/Greeter.sol#806-828) has external calls inside a loop: dividendTracker.setShare(currentHolders[i],_balances[currentHolders[i]]) (contracts/Greeter.sol#818-823)
Favor pull over push strategy for external calls.

Additional information: link

Reentrancy in VANTAGE.constructor() (contracts/Greeter.sol#102-139):
External calls:
- pair = IUniswapV2Factory(router.factory()).createPair(WBNB,address(this)) (contracts/Greeter.sol#104-107)
State variables written after the call(s):
- _allowances[address(this)][address(router)] = type()(uint256).max (contracts/Greeter.sol#108)
- _balances[deployer] = _totalSupply (contracts/Greeter.sol#137)
- transferOwnership(deployer) (contracts/Greeter.sol#135)
- _owner = newOwner (@openzeppelin/contracts/access/Ownable.sol#73)
- dividendTracker = new DividendDistributor(address(router),REWARD) (contracts/Greeter.sol#110)
- gameWallet = 0x2B2616BdA09905c8f138B0cDfBC6230b4Eb674a8 (contracts/Greeter.sol#133)
- isAuthorized[deployer] = true (contracts/Greeter.sol#120)
- isDividendExempt[pair] = true (contracts/Greeter.sol#116)
- isDividendExempt[address(this)] = true (contracts/Greeter.sol#117)
- isDividendExempt[DEAD] = true (contracts/Greeter.sol#118)
- isFeeExempt[deployer] = true (contracts/Greeter.sol#114)
- isMaxTxExempt[deployer] = true (contracts/Greeter.sol#122)
- isMaxTxExempt[pair] = true (contracts/Greeter.sol#123)
- isMaxTxExempt[address(this)] = true (contracts/Greeter.sol#124)
- isMaxWalletExempt[deployer] = true (contracts/Greeter.sol#126)
- isMaxWalletExempt[pair] = true (contracts/Greeter.sol#127)
- isMaxWalletExempt[address(this)] = true (contracts/Greeter.sol#128)
- lotteryFeeReceiver = 0xCfc73237fe626cfE1b9644C53114d82b82FD3C3B (contracts/Greeter.sol#132)
- marketingFeeReceiver = 0x47086D2337449BAbaFA40bDe64Bf90803Ff91051 (contracts/Greeter.sol#130)
- stakePoolAddress = 0xd30aF5899af9ACC0a91876390Ed161E96E0A304C (contracts/Greeter.sol#131)
Reentrancy in DividendDistributor.distributeDividend(address) (contracts/DividendDistributor.sol#158-175):
External calls:
- REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
State variables written after the call(s):
- shareholderClaims[shareholder] = block.timestamp (contracts/DividendDistributor.sol#167)
Reentrancy in DividendDistributor.setShare(address,uint256) (contracts/DividendDistributor.sol#91-111):
External calls:
- distributeDividend(shareholder) (contracts/DividendDistributor.sol#97)
- REWARD.transfer(shareholder,amount) (contracts/DividendDistributor.sol#166)
State variables written after the call(s):
- addShareholder(shareholder) (contracts/DividendDistributor.sol#101)
- shareholderIndexes[shareholder] = shareholders.length (contracts/DividendDistributor.sol#244)
- removeShareholder(shareholder) (contracts/DividendDistributor.sol#103)
- shareholderIndexes[shareholders[shareholders.length - 1]] = shareholderIndexes[shareholder] (contracts/DividendDistributor.sol#252-254)
- addShareholder(shareholder) (contracts/DividendDistributor.sol#101)
- shareholders.push(shareholder) (contracts/DividendDistributor.sol#245)
- removeShareholder(shareholder) (contracts/DividendDistributor.sol#103)
- shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length - 1] (contracts/DividendDistributor.sol#249-251)
- shareholders.pop() (contracts/DividendDistributor.sol#255)
- totalShares = totalShares.sub(shares[shareholder].amount).add(amount) (contracts/DividendDistributor.sol#106)
Reentrancy in VANTAGE.swapAndLiquify(uint256) (contracts/Greeter.sol#633-654):
External calls:
- swapTokensForEth(half) (contracts/Greeter.sol#645)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- _allowances[owner][spender] = amount (contracts/Greeter.sol#216)
Reentrancy in VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631):
External calls:
- swapTokensForTokens(tokensToReward,REWARD) (contracts/Greeter.sol#584)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
State variables written after the call(s):
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
- _allowances[owner][spender] = amount (contracts/Greeter.sol#216)
Reentrancy in VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631):
External calls:
- swapTokensForTokens(tokensToReward,REWARD) (contracts/Greeter.sol#584)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
- IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
External calls sending eth:
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
State variables written after the call(s):
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- _allowances[owner][spender] = amount (contracts/Greeter.sol#216)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in VANTAGE._transferFrom(address,address,uint256) (contracts/Greeter.sol#245-304):
External calls:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
- IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
- dividendTracker.setShare(sender,_balances[sender]) (contracts/Greeter.sol#291)
- dividendTracker.setShare(recipient,_balances[recipient]) (contracts/Greeter.sol#295-297)
- dividendTracker.process(distributorGas) (contracts/Greeter.sol#300)
External calls sending eth:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
Event emitted after the call(s):
- Transfer(sender,recipient,amountReceived) (contracts/Greeter.sol#302)
Reentrancy in VANTAGE._transferFrom(address,address,uint256) (contracts/Greeter.sol#245-304):
External calls:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
- IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
External calls sending eth:
- swapBackInBnb() (contracts/Greeter.sol#275)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
Event emitted after the call(s):
- Transfer(sender,gameWallet,gamePoolToken) (contracts/Greeter.sol#356)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,stakePoolAddress,stakePoolToken) (contracts/Greeter.sol#365)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,DEAD,burnTokens) (contracts/Greeter.sol#371)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,gameWallet,gamePoolToken) (contracts/Greeter.sol#380)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,stakePoolAddress,stakePoolToken) (contracts/Greeter.sol#389)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,DEAD,burnTokens) (contracts/Greeter.sol#395)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
- Transfer(sender,address(this),tokensToContract) (contracts/Greeter.sol#405)
- amountReceived = takeFee(sender,amount,recipient) (contracts/Greeter.sol#284-286)
Reentrancy in VANTAGE.constructor() (contracts/Greeter.sol#102-139):
External calls:
- pair = IUniswapV2Factory(router.factory()).createPair(WBNB,address(this)) (contracts/Greeter.sol#104-107)
Event emitted after the call(s):
- OwnershipTransferred(oldOwner,newOwner) (@openzeppelin/contracts/access/Ownable.sol#74)
- transferOwnership(deployer) (contracts/Greeter.sol#135)
- Transfer(address(0),deployer,_totalSupply) (contracts/Greeter.sol#138)
Reentrancy in VANTAGE.includeMeinRewards() (contracts/Greeter.sol#794-804):
External calls:
- dividendTracker.setShare(msg.sender,_balances[msg.sender]) (contracts/Greeter.sol#799-801)
Event emitted after the call(s):
- IncludeInReward(msg.sender) (contracts/Greeter.sol#803)
Reentrancy in VANTAGE.swapAndLiquify(uint256) (contracts/Greeter.sol#633-654):
External calls:
- swapTokensForEth(half) (contracts/Greeter.sol#645)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
Event emitted after the call(s):
- Approval(owner,spender,amount) (contracts/Greeter.sol#217)
- addLiquidity(otherHalf,newBalance) (contracts/Greeter.sol#651)
- AutoLiquify(newBalance,otherHalf) (contracts/Greeter.sol#653)
Reentrancy in VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631):
External calls:
- swapTokensForTokens(tokensToReward,REWARD) (contracts/Greeter.sol#584)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
Event emitted after the call(s):
- Approval(owner,spender,amount) (contracts/Greeter.sol#217)
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
Reentrancy in VANTAGE.swapBackInBnb() (contracts/Greeter.sol#570-631):
External calls:
- swapTokensForTokens(tokensToReward,REWARD) (contracts/Greeter.sol#584)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(REWARD).transfer(address(dividendTracker),swappedTokensAmount) (contracts/Greeter.sol#589-592)
- dividendTracker.deposit(swappedTokensAmount) (contracts/Greeter.sol#593)
- swapTokensForTokens(tokensToMarketingAndLottery,LOTTERY) (contracts/Greeter.sol#597)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#682-688)
- IERC20(LOTTERY).transfer(marketingFeeReceiver,tokensToMarketing) (contracts/Greeter.sol#610-615)
- IERC20(LOTTERY).transfer(lotteryFeeReceiver,tokensToLottery) (contracts/Greeter.sol#618-623)
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (contracts/Greeter.sol#663-669)
External calls sending eth:
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (contracts/Greeter.sol#695-702)
Event emitted after the call(s):
- Approval(owner,spender,amount) (contracts/Greeter.sol#217)
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
- AutoLiquify(newBalance,otherHalf) (contracts/Greeter.sol#653)
- swapAndLiquify(tokensToLiquidity) (contracts/Greeter.sol#629)
Apply the check-effects-interactions pattern.

Additional information: link

DividendDistributor.shouldDistribute(address) (contracts/DividendDistributor.sol#148-156) uses timestamp for comparisons
Dangerous comparisons:
- shareholderClaims[shareholder] + minPeriod < block.timestamp && getUnpaidEarnings(shareholder) > minDistribution (contracts/DividendDistributor.sol#153-155)
VANTAGE.takeFee(address,uint256,address) (contracts/Greeter.sol#332-408) uses timestamp for comparisons
Dangerous comparisons:
- coolDownEnabled && ! isTimelockExempt[sender] && cooldownTimer[sender] < block.timestamp (contracts/Greeter.sol#345-347)
Avoid relying on block.timestamp.

Additional information: link

DividendDistributor.process(uint256) (contracts/DividendDistributor.sol#120-146) has costly operations inside a loop:
- currentIndex = 0 (contracts/DividendDistributor.sol#134)
DividendDistributor.distributeDividend(address) (contracts/DividendDistributor.sol#158-175) has costly operations inside a loop:
- totalDistributed = totalDistributed.add(amount) (contracts/DividendDistributor.sol#165)
DividendDistributor.process(uint256) (contracts/DividendDistributor.sol#120-146) has costly operations inside a loop:
- currentIndex ++ (contracts/DividendDistributor.sol#143)
Use a local variable to hold the loop computation result.

Additional information: link

Context._msgData() (@openzeppelin/contracts/utils/Context.sol#21-23) is never used and should be removed
SafeMath.div(uint256,uint256,string) (@openzeppelin/contracts/utils/math/SafeMath.sol#191-200) is never used and should be removed
SafeMath.mod(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#151-153) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (@openzeppelin/contracts/utils/math/SafeMath.sol#217-226) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#22-28) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#64-69) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#76-81) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#47-57) is never used and should be removed
SafeMath.trySub(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#35-40) is never used and should be removed
Remove unused functions.

Additional information: link

VANTAGE.swapThreshold (contracts/Greeter.sol#91) is set pre-construction with a non-constant function or state variable:
- (_totalSupply * 2) / 10000
VANTAGE.maxWalletTokens (contracts/Greeter.sol#92) is set pre-construction with a non-constant function or state variable:
- (_totalSupply * 1) / 100
VANTAGE.maxTxAmount (contracts/Greeter.sol#93) is set pre-construction with a non-constant function or state variable:
- (_totalSupply * 5) / 1000
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Pragma version^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#4) allows old versions
Pragma version>=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol#1) allows old versions
Pragma version>=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#1) allows old versions
Pragma version>=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol#1) allows old versions
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Function IUniswapV2Router01.WETH() (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#5) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minPeriod (contracts/DividendDistributor.sol#79) is not in mixedCase
Parameter DividendDistributor.setDistributionCriteria(uint256,uint256)._minDistribution (contracts/DividendDistributor.sol#80) is not in mixedCase
Variable DividendDistributor._token (contracts/DividendDistributor.sol#27) is not in mixedCase
Variable DividendDistributor.REWARD (contracts/DividendDistributor.sol#35) is not in mixedCase
Variable DividendDistributor.WBNB (contracts/DividendDistributor.sol#36) is not in mixedCase
Parameter VANTAGE.getBep20Tokens(address,uint256)._tokenAddress (contracts/Greeter.sol#424) is not in mixedCase
Parameter VANTAGE.enableTrading(bool)._status (contracts/Greeter.sol#498) is not in mixedCase
Parameter VANTAGE.whitelistPreSale(address)._preSale (contracts/Greeter.sol#502) is not in mixedCase
Function VANTAGE.___claimRewards(bool) (contracts/Greeter.sol#510-515) is not in mixedCase
Parameter VANTAGE.blackListWallets(address,bool)._status (contracts/Greeter.sol#522) is not in mixedCase
Parameter VANTAGE.isBlacklisted(address)._wallet (contracts/Greeter.sol#526) is not in mixedCase
Parameter VANTAGE.isRewardExclude(address)._wallet (contracts/Greeter.sol#530) is not in mixedCase
Parameter VANTAGE.isFeeExclude(address)._wallet (contracts/Greeter.sol#534) is not in mixedCase
Parameter VANTAGE.isMaxWalletExclude(address)._wallet (contracts/Greeter.sol#538) is not in mixedCase
Parameter VANTAGE.isMaxTxExcluded(address)._wallet (contracts/Greeter.sol#542) is not in mixedCase
Parameter VANTAGE.isExemptTimeLock(address)._wallet (contracts/Greeter.sol#554) is not in mixedCase
Parameter VANTAGE.changeSellCoolDownTime(uint256)._time (contracts/Greeter.sol#558) is not in mixedCase
Parameter VANTAGE.enableSellCollDown(bool)._status (contracts/Greeter.sol#562) is not in mixedCase
Parameter VANTAGE.exemptTimeLock(address,bool)._status (contracts/Greeter.sol#566) is not in mixedCase
Parameter VANTAGE.setMarketingWallet(address)._marketingFeeReceiver (contracts/Greeter.sol#736) is not in mixedCase
Parameter VANTAGE.setLotteryWallet(address)._lotteryFeeReceiver (contracts/Greeter.sol#743) is not in mixedCase
Parameter VANTAGE.setGamePoolAddress(address)._gameWallet (contracts/Greeter.sol#747) is not in mixedCase
Parameter VANTAGE.setStakePoolAddress(address)._stakePool (contracts/Greeter.sol#751) is not in mixedCase
Parameter VANTAGE.changeLotteryAndMarketingToken(address)._tokenAddress (contracts/Greeter.sol#755) is not in mixedCase
Parameter VANTAGE.setSwapBackSettings(bool,uint256)._enabled (contracts/Greeter.sol#770) is not in mixedCase
Parameter VANTAGE.setSwapBackSettings(bool,uint256)._amount (contracts/Greeter.sol#770) is not in mixedCase
Parameter VANTAGE.setDistributionCriteria(uint256,uint256)._minPeriod (contracts/Greeter.sol#779) is not in mixedCase
Parameter VANTAGE.setDistributionCriteria(uint256,uint256)._minDistribution (contracts/Greeter.sol#780) is not in mixedCase
Variable VANTAGE.WBNB (contracts/Greeter.sol#15) is not in mixedCase
Variable VANTAGE.DEAD (contracts/Greeter.sol#16) is not in mixedCase
Variable VANTAGE.ZERO (contracts/Greeter.sol#17) is not in mixedCase
Variable VANTAGE.REWARD (contracts/Greeter.sol#19) is not in mixedCase
Variable VANTAGE.LOTTERY (contracts/Greeter.sol#20) is not in mixedCase
Constant VANTAGE._name (contracts/Greeter.sol#22) is not in UPPER_CASE_WITH_UNDERSCORES
Constant VANTAGE._symbol (contracts/Greeter.sol#23) is not in UPPER_CASE_WITH_UNDERSCORES
Constant VANTAGE._decimals (contracts/Greeter.sol#24) is not in UPPER_CASE_WITH_UNDERSCORES
Variable VANTAGE._totalSupply (contracts/Greeter.sol#26) is not in mixedCase
Variable VANTAGE._balances (contracts/Greeter.sol#28) is not in mixedCase
Variable VANTAGE._allowances (contracts/Greeter.sol#29) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#10) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#11)
Prevent variables from having similar names.

Additional information: link

VANTAGE.slitherConstructorVariables() (contracts/Greeter.sol#12-829) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (contracts/Greeter.sol#16)
VANTAGE.slitherConstructorVariables() (contracts/Greeter.sol#12-829) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (contracts/Greeter.sol#17)
VANTAGE.slitherConstructorVariables() (contracts/Greeter.sol#12-829) uses literals with too many digits:
- _totalSupply = 100000000000 * (10 ** _decimals) (contracts/Greeter.sol#26)
VANTAGE.slitherConstructorVariables() (contracts/Greeter.sol#12-829) uses literals with too many digits:
- distributorGas = 500000 (contracts/Greeter.sol#80)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

VANTAGE.ZERO (contracts/Greeter.sol#17) is never used in VANTAGE (contracts/Greeter.sol#12-829)
Remove unused state variables.

Additional information: link

DividendDistributor.WBNB (contracts/DividendDistributor.sol#36) should be constant
DividendDistributor.dividendsPerShareAccuracyFactor (contracts/DividendDistributor.sol#49) should be constant
VANTAGE.DEAD (contracts/Greeter.sol#16) should be constant
VANTAGE.WBNB (contracts/Greeter.sol#15) should be constant
VANTAGE.ZERO (contracts/Greeter.sol#17) should be constant
VANTAGE._totalSupply (contracts/Greeter.sol#26) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (@openzeppelin/contracts/access/Ownable.sol#54-56)
getHolderDetails(address) should be declared external:
- DividendDistributor.getHolderDetails(address) (contracts/DividendDistributor.sol#202-216)
name() should be declared external:
- VANTAGE.name() (contracts/Greeter.sol#147-149)
symbol() should be declared external:
- VANTAGE.symbol() (contracts/Greeter.sol#151-153)
decimals() should be declared external:
- VANTAGE.decimals() (contracts/Greeter.sol#155-157)
balanceOf(address) should be declared external:
- VANTAGE.balanceOf(address) (contracts/Greeter.sol#159-161)
getHolderDetails(address) should be declared external:
- VANTAGE.getHolderDetails(address) (contracts/Greeter.sol#164-175)
getLastProcessedIndex() should be declared external:
- VANTAGE.getLastProcessedIndex() (contracts/Greeter.sol#177-179)
getNumberOfTokenHolders() should be declared external:
- VANTAGE.getNumberOfTokenHolders() (contracts/Greeter.sol#181-183)
totalDistributedRewards() should be declared external:
- VANTAGE.totalDistributedRewards() (contracts/Greeter.sol#185-187)
updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) should be declared external:
- VANTAGE.updateBuyFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) (contracts/Greeter.sol#435-457)
updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) should be declared external:
- VANTAGE.updateSellFees(uint256,uint256,uint256,uint256,uint256,uint256,uint256) (contracts/Greeter.sol#459-481)
updateSwapPercentages(uint256,uint256,uint256,uint256) should be declared external:
- VANTAGE.updateSwapPercentages(uint256,uint256,uint256,uint256) (contracts/Greeter.sol#484-495)
enableTrading(bool) should be declared external:
- VANTAGE.enableTrading(bool) (contracts/Greeter.sol#498-500)
whitelistPreSale(address) should be declared external:
- VANTAGE.whitelistPreSale(address) (contracts/Greeter.sol#502-507)
___claimRewards(bool) should be declared external:
- VANTAGE.___claimRewards(bool) (contracts/Greeter.sol#510-515)
claimProcess() should be declared external:
- VANTAGE.claimProcess() (contracts/Greeter.sol#518-520)
blackListWallets(address,bool) should be declared external:
- VANTAGE.blackListWallets(address,bool) (contracts/Greeter.sol#522-524)
isBlacklisted(address) should be declared external:
- VANTAGE.isBlacklisted(address) (contracts/Greeter.sol#526-528)
isRewardExclude(address) should be declared external:
- VANTAGE.isRewardExclude(address) (contracts/Greeter.sol#530-532)
isFeeExclude(address) should be declared external:
- VANTAGE.isFeeExclude(address) (contracts/Greeter.sol#534-536)
isMaxWalletExclude(address) should be declared external:
- VANTAGE.isMaxWalletExclude(address) (contracts/Greeter.sol#538-540)
isMaxTxExcluded(address) should be declared external:
- VANTAGE.isMaxTxExcluded(address) (contracts/Greeter.sol#542-544)
isExemptTimeLock(address) should be declared external:
- VANTAGE.isExemptTimeLock(address) (contracts/Greeter.sol#554-556)
changeSellCoolDownTime(uint256) should be declared external:
- VANTAGE.changeSellCoolDownTime(uint256) (contracts/Greeter.sol#558-560)
enableSellCollDown(bool) should be declared external:
- VANTAGE.enableSellCollDown(bool) (contracts/Greeter.sol#562-564)
exemptTimeLock(address,bool) should be declared external:
- VANTAGE.exemptTimeLock(address,bool) (contracts/Greeter.sol#566-568)
purgeBeforeSwitch() should be declared external:
- VANTAGE.purgeBeforeSwitch() (contracts/Greeter.sol#790-792)
includeMeinRewards() should be declared external:
- VANTAGE.includeMeinRewards() (contracts/Greeter.sol#794-804)
switchToken(address,bool) should be declared external:
- VANTAGE.switchToken(address,bool) (contracts/Greeter.sol#806-828)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract ticker ($VANTAGE) contains non-alphanumeric characters.
Not a direct threat, but may indicate unreliable intentions of developer. Non-alphanumeric chars (,.;!#*&") are extremely rare among low risk tokens.

Holders:


Attempt to swap token was unsuccessful. For some reason it is untradeable. If token is not in presale stage and is not traded outside PancakeSwap, then it's a scam

Additional information: link


Token is deployed only at one blockchain


Average 30d PancakeSwap volume is low.


Average 30d number of PancakeSwap swaps is low.


Number of Binance Smart Chain (BSC) token holders is low.


Average PancakeSwap trading volume, liqudity, number of swaps are low. Token seems to be inactive.


Unable to find Telegram and Twitter accounts


Unable to find website, listings and other project-related information


Token is marked as scam (rug pull, honeypot, phishing, etc.)

Additional information: link


Young tokens have high risks of price dump / death


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank

Price for $VANTAGE