GreatDane Token

GreatDane.addLiquidity(uint256,uint256) (#619-632) sends eth to arbitrary user
Dangerous calls:
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in GreatDane._transfer(address,address,uint256) (#508-555):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
- _rOwned[address(this)] += rBuyback (#427)
- _rOwned[address(this)] += rLiquidity (#396)
- _rOwned[address(this)] += rDev (#416)
- _rOwned[address(this)] += rMarketing (#406)
- _rOwned[sender] = _rOwned[sender] - s.rAmount (#570)
- _rOwned[recipient] = _rOwned[recipient] + s.rTransferAmount (#571)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
- _rTotal -= rRfi (#385)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
- _tOwned[address(this)] += tMarketing (#404)
- _tOwned[address(this)] += tBuyback (#425)
- _tOwned[address(this)] += tLiquidity (#394)
- _tOwned[sender] = _tOwned[sender] - tAmount (#564)
- _tOwned[address(this)] += tDev (#414)
- _tOwned[recipient] = _tOwned[recipient] + s.tTransferAmount (#567)
Apply the check-effects-interactions pattern.

Additional information: link

GreatDane.StopAirDrop(address,address,uint256) (#732-734) ignores return value by IERC20(_tokenAddr).transfer(_to,_amount) (#733)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains

Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Combination 2: Unchecked transfer + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

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.

GreatDane.allowance(address,address).owner (#271) shadows:
- Ownable.owner() (#66-68) (function)
GreatDane._approve(address,address,uint256).owner (#501) shadows:
- Ownable.owner() (#66-68) (function)
Rename the local variables that shadow another component.

Additional information: link

GreatDane._transfer(address,address,uint256) (#508-555) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(timePassed >= coolDownTime,Cooldown enabled) (#535)
Avoid relying on block.timestamp.

Additional information: link

GreatDane.setTradingStatus(bool) (#325-329) compares to a boolean constant:
-state == true && genesis_block == 0 (#328)
Remove the equality to the boolean constant.

Additional information: link

Redundant expression "this (#52)" inContext (#46-55)
Remove redundant statements if they congest code but offer no value.

Additional information: link

GreatDane._tTotal (#160) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

GreatDane._rTotal (#161) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
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

Low level call in Address.sendValue(address,uint256) (#116-121):
- (success) = recipient.call{value: amount}() (#119)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#595)
-buybackAmt = unitBalance * 2 * temp.buyback (#612)
GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#595)
-devAmt = unitBalance * 2 * temp.dev (#607)
GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#595)
-bnbToAddLiquidityWith = unitBalance * temp.liquidity (#596)
GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#595)
-marketingAmt = unitBalance * 2 * temp.marketing (#603)
Consider ordering multiplication before division.

Additional information: link

GreatDane.addLiquidity(uint256,uint256) (#619-632) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
Ensure that all the return values of the function calls are used.

Additional information: link

GreatDane.updateMaxWalletlimit(uint256) (#704-706) should emit an event for:
- maxWalletLimit = amount * 10 ** decimals() (#705)
GreatDane.updateCooldown(bool,uint256) (#653-656) should emit an event for:
- coolDownTime = time * 1 (#654)
GreatDane.updateSwapTokensAtAmount(uint256) (#680-682) should emit an event for:
- swapTokensAtAmount = amount * 10 ** _decimals (#681)
GreatDane.updateMaxTxLimit(uint256,uint256) (#699-702) should emit an event for:
- maxBuyLimit = maxBuy * 10 ** decimals() (#700)
- maxSellLimit = maxSell * 10 ** decimals() (#701)
Emit an event for critical parameter changes.

Additional information: link

GreatDane.constructor(address)._pair (#225-226) lacks a zero-check on :
- pair = _pair (#229)
GreatDane.updateCallWallet(address).newWallet (#668) lacks a zero-check on :
- CallWallet = newWallet (#669)
GreatDane.updateCharity(address).newWallet (#676) lacks a zero-check on :
- Charity = newWallet (#677)
GreatDane.updateRouterAndPair(address,address).newPair (#708) lacks a zero-check on :
- pair = newPair (#710)
GreatDane.updateCEXWallet(address).newWallet (#672) lacks a zero-check on :
- CEXWallet = newWallet (#673)
Check that the address is not zero.

Additional information: link

GreatDane.swapTokensForBNB(uint256) (#634-650) has external calls inside a loop: router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
GreatDane.swapTokensForBNB(uint256) (#634-650) has external calls inside a loop: path[1] = router.WETH() (#638)
Address.sendValue(address,uint256) (#116-121) has external calls inside a loop: (success) = recipient.call{value: amount}() (#119)
GreatDane.addLiquidity(uint256,uint256) (#619-632) has external calls inside a loop: router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
Favor pull over push strategy for external calls.

Additional information: link

Reentrancy in GreatDane._transfer(address,address,uint256) (#508-555):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
- totFeesPaid.marketing += tMarketing (#400)
- totFeesPaid.buyback += tBuyback (#421)
- totFeesPaid.liquidity += tLiquidity (#390)
- totFeesPaid.dev += tDev (#410)
- totFeesPaid.rfi += tRfi (#386)
Reentrancy in GreatDane.transferFrom(address,address,uint256) (#280-288):
External calls:
- _transfer(sender,recipient,amount) (#281)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
External calls sending eth:
- _transfer(sender,recipient,amount) (#281)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
State variables written after the call(s):
- _approve(sender,_msgSender(),currentAllowance - amount) (#285)
- _allowances[owner][spender] = amount (#504)
Reentrancy in GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617):
External calls:
- swapTokensForBNB(toSwap) (#592)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
State variables written after the call(s):
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
- _allowances[owner][spender] = amount (#504)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in GreatDane.transferFrom(address,address,uint256) (#280-288):
External calls:
- _transfer(sender,recipient,amount) (#281)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
External calls sending eth:
- _transfer(sender,recipient,amount) (#281)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#505)
- _approve(sender,_msgSender(),currentAllowance - amount) (#285)
Reentrancy in GreatDane.swapAndLiquify(uint256,GreatDane.Taxes) (#585-617):
External calls:
- swapTokensForBNB(toSwap) (#592)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#505)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#600)
Reentrancy in GreatDane._transfer(address,address,uint256) (#508-555):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#643-649)
- address(CallWallet).sendValue(marketingAmt) (#605)
- address(CEXWallet).sendValue(devAmt) (#609)
- address(Charity).sendValue(buybackAmt) (#614)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#546)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
- swapAndLiquify(swapTokensAtAmount,taxes) (#547)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#624-631)
- (success) = recipient.call{value: amount}() (#119)
Event emitted after the call(s):
- Transfer(sender,address(this),s.tLiquidity + s.tMarketing + s.tDev + s.tBuyback) (#576)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
- Transfer(sender,recipient,s.tTransferAmount) (#581)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#554)
Apply the check-effects-interactions pattern.

Additional information: link

GreatDane._reflectRfi(uint256,uint256) (#384-387) has costly operations inside a loop:
- _rTotal -= rRfi (#385)
GreatDane.lockTheSwap() (#217-221) has costly operations inside a loop:
- swapping = true (#218)
GreatDane.includeInReward(address) (#347-358) has costly operations inside a loop:
- _excluded.pop() (#354)
GreatDane.lockTheSwap() (#217-221) has costly operations inside a loop:
- swapping = false (#220)
Use a local variable to hold the loop computation result.

Additional information: link

Context._msgData() (#51-54) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.13 is not recommended for deployment
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 GreatDane.BCheck(address[],bool) (#688-693) is not in mixedCase
Parameter GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256)._liquidity (#374) is not in mixedCase
Parameter GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256)._dev (#379) is not in mixedCase
Parameter GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256)._buyback (#374) is not in mixedCase
Constant GreatDane._symbol (#175) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256)._marketing (#374) is not in mixedCase
Parameter GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256)._rfi (#379) is not in mixedCase
Variable GreatDane.genesis_block (#168) is not in mixedCase
Parameter GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256)._dev (#374) is not in mixedCase
Variable GreatDane.Charity (#172) is not in mixedCase
Constant GreatDane._name (#174) is not in UPPER_CASE_WITH_UNDERSCORES
Variable GreatDane.CallWallet (#170) is not in mixedCase
Parameter GreatDane.StopAirDrop(address,address,uint256)._amount (#732) is not in mixedCase
Function GreatDane.StartSale(address[],uint256) (#720-730) is not in mixedCase
Parameter GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256)._rfi (#374) is not in mixedCase
Parameter GreatDane.StopAirDrop(address,address,uint256)._to (#732) is not in mixedCase
Struct GreatDane.valuesFromGetValues (#198-212) is not in CapWords
Function IRouter.WETH() (#97) is not in mixedCase
Function GreatDane.StopAirDrop(address,address,uint256) (#732-734) is not in mixedCase
Constant GreatDane._decimals (#157) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter GreatDane.StopAirDrop(address,address,uint256)._tokenAddr (#732) is not in mixedCase
Parameter GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256)._buyback (#379) is not in mixedCase
Parameter GreatDane.updateSwapEnabled(bool)._enabled (#658) is not in mixedCase
Variable GreatDane.CEXWallet (#171) is not in mixedCase
Function GreatDane.SendtoContract(uint256) (#714-717) is not in mixedCase
Function GreatDane.ExTax(address[],bool) (#662-666) is not in mixedCase
Parameter GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256)._liquidity (#379) is not in mixedCase
Parameter GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256)._marketing (#379) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

StartSale(address[],uint256) should be declared external:
- GreatDane.StartSale(address[],uint256) (#720-730)
transfer(address,uint256) should be declared external:
- GreatDane.transfer(address,uint256) (#303-307)
transferFrom(address,address,uint256) should be declared external:
- GreatDane.transferFrom(address,address,uint256) (#280-288)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#75-77)
setSellTaxes(uint256,uint256,uint256,uint256,uint256) should be declared external:
- GreatDane.setSellTaxes(uint256,uint256,uint256,uint256,uint256) (#379-382)
StopAirDrop(address,address,uint256) should be declared external:
- GreatDane.StopAirDrop(address,address,uint256) (#732-734)
isExcludedFromFee(address) should be declared external:
- GreatDane.isExcludedFromFee(address) (#370-372)
setTaxes(uint256,uint256,uint256,uint256,uint256) should be declared external:
- GreatDane.setTaxes(uint256,uint256,uint256,uint256,uint256) (#374-377)
decreaseAllowance(address,uint256) should be declared external:
- GreatDane.decreaseAllowance(address,uint256) (#295-301)
isExcludedFromReward(address) should be declared external:
- GreatDane.isExcludedFromReward(address) (#309-311)
name() should be declared external:
- GreatDane.name() (#251-253)
increaseAllowance(address,uint256) should be declared external:
- GreatDane.increaseAllowance(address,uint256) (#290-293)
includeInFee(address) should be declared external:
- GreatDane.includeInFee(address) (#365-367)
symbol() should be declared external:
- GreatDane.symbol() (#254-256)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#79-82)
totalSupply() should be declared external:
- GreatDane.totalSupply() (#262-264)
excludeFromFee(address) should be declared external:
- GreatDane.excludeFromFee(address) (#361-363)
allowance(address,address) should be declared external:
- GreatDane.allowance(address,address) (#271-273)
approve(address,uint256) should be declared external:
- GreatDane.approve(address,uint256) (#275-278)
reflectionFromToken(uint256,bool) should be declared external:
- GreatDane.reflectionFromToken(uint256,bool) (#313-322)
Use the external attribute for functions never called from the contract.

Additional information: link

Contract has 8% buy tax and 92% sell tax.
Taxes are extremely high (over 30%)

Additional information: link

Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.

Average 30d PancakeSwap volume is less than $100. Token is either dead or inactive.

Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.

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

Token is deployed only at one blockchain

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

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

Additional information: link

Token has a considerable age, but we're still unable to find its website

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

Token has a considerable age, but average PancakeSwap 30d trading volume is low