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CATS [Catcoin] Token

About CATS

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[CoinMarketCap] alert: CATCOIN has migrated their contract address from v1 to V2. For official announcement, kindly visit here.
[CoinGecko] alert: CatCoin Token has migrated from their old contract to a new one. For more information, please visit this post.
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CatCoin - ✔ World's Best Community Driven Coin ✔ Verified contract source
✔ Ownership renounced or source does not contain an owner contract
✔ Creator not authorized for special permission
✔ Tokens locked (1.19%)
✔ Creator wallet contains less than 5% of token supply (< 0.01%)
✔ All other holders possess less than 5% of the token supply

Laser Scorebeta Last Audit: 8 November 2023

report
Token seems to be (relatively) fine. It still become a scam, but probability is moderate.

Catcoin.swapAndLiquify(uint256) (#767-813) sends eth to arbitrary user
Dangerous calls:
- address(withdrawcontract).transfer(marketingAmt) (#801)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in Catcoin._transfer(address,address,uint256) (#738-765):
External calls:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#662)
- _rOwned[address(this)] = _rOwned[address(this)].add(rWallet) (#670)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#882)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#906)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#931)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#955)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#883)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#908)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#932)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#957)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _rTotal = _rTotal.sub(rFee) (#592)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _tOwned[address(this)] = _tOwned[address(this)].add(tWallet) (#672)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#664)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#954)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#930)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#907)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#956)
Apply the check-effects-interactions pattern.

Additional information: link


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.

Catcoin.swapAndLiquify(uint256) (#767-813) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - (buyFee.liquidity + sellFee.liquidity)) (#784-785)
-unitBalance * 2 * (buyFee.dev + sellFee.dev) > address(this).balance (#795-798)
Catcoin.swapAndLiquify(uint256) (#767-813) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - (buyFee.liquidity + sellFee.liquidity)) (#784-785)
-marketingAmt = unitBalance * 2 * (buyFee.marketing + sellFee.marketing) (#792-794)
Catcoin.swapAndLiquify(uint256) (#767-813) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - (buyFee.liquidity + sellFee.liquidity)) (#784-785)
-devAmt = unitBalance * 2 * (buyFee.dev + sellFee.dev) (#795-798)
Catcoin.swapAndLiquify(uint256) (#767-813) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - (buyFee.liquidity + sellFee.liquidity)) (#784-785)
-bnbToAddLiquidityWith = unitBalance * (buyFee.liquidity + sellFee.liquidity) (#786-787)
Consider ordering multiplication before division.

Additional information: link

Address.sendValue(address,uint256) (#97-107) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#121-133) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#69-76) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#134-145) is never used and should be removed
Context._msgData() (#83-86) is never used and should be removed
SafeMath.mod(uint256,uint256) (#66-68) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#147-169) is never used and should be removed
Address.isContract(address) (#89-96) is never used and should be removed
Address.functionCall(address,bytes,string) (#114-120) is never used and should be removed
Address.functionCall(address,bytes) (#108-113) is never used and should be removed
Remove unused functions.

Additional information: link

Redundant expression "this (#84)" inContext (#79-87)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Ownable._previousOwner (#173) should be constant
Ownable._lockTime (#174) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

Catcoin._approve(address,address,uint256).owner (#716) shadows:
- Ownable.owner() (#184-186) (function)
Catcoin.allowance(address,address).owner (#393) shadows:
- Ownable.owner() (#184-186) (function)
Rename the local variables that shadow another component.

Additional information: link

Address.isContract(address) (#89-96) uses assembly
- INLINE ASM (#92-94)
Address._functionCallWithValue(address,bytes,uint256,string) (#147-169) uses assembly
- INLINE ASM (#161-164)
Do not use evm assembly.

Additional information: link

Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#147-169):
- (success,returndata) = target.call{value: weiValue}(data) (#154-156)
Low level call in Address.sendValue(address,uint256) (#97-107):
- (success) = recipient.call{value: amount}() (#102)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link


Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.

Catcoin.swapTokensForEth(uint256) (#815-829) has external calls inside a loop: path[1] = uniswapV2Router.WETH() (#818)
Catcoin.swapTokensForEth(uint256) (#815-829) has external calls inside a loop: uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
Catcoin.swapAndLiquify(uint256) (#767-813) has external calls inside a loop: address(withdrawcontract).transfer(marketingAmt) (#801)
Catcoin.swapAndLiquify(uint256) (#767-813) has external calls inside a loop: address(_devwallet).transfer(devAmt) (#805)
Catcoin.addLiquidity(uint256,uint256) (#831-841) has external calls inside a loop: uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
Favor pull over push strategy for external calls.

Additional information: link

Parameter Catcoin.calculateTaxFee(uint256)._amount (#675) is not in mixedCase
Constant Catcoin._tTotal (#265) is not in UPPER_CASE_WITH_UNDERSCORES
Event CatcoinexcludeUserFromReward(address) (#310) is not in CapWords
Parameter Catcoin.calculateMarketingFee(uint256)._amount (#683) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).sell_marketing (#550) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).buy_liquidity (#545) is not in mixedCase
Event CatcoinincludeUserInFees(address) (#313) is not in CapWords
Parameter Catcoin.calculateLiquidityFee(uint256)._amount (#679) is not in mixedCase
Variable Catcoin._isBlackListedBot (#261) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).buy_tax (#544) is not in mixedCase
Parameter Catcoin.openTrading(address)._withdrawcontract (#723) is not in mixedCase
Constant Catcoin._name (#251) is not in UPPER_CASE_WITH_UNDERSCORES
Parameter Catcoin.calculateDevFee(uint256)._amount (#687) is not in mixedCase
Parameter Catcoin.setSwapAndLiquifyEnabled(bool)._enabled (#584) is not in mixedCase
Event CatcoinexcludeUserFromFees(address) (#312) is not in CapWords
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).sell_dev (#551) is not in mixedCase
Variable Catcoin._isExcluded (#259) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).sell_tax (#548) is not in mixedCase
Constant Catcoin._symbol (#252) is not in UPPER_CASE_WITH_UNDERSCORES
Event CatcoinbotRemovedFromBlacklist(address) (#306) is not in CapWords
Constant Catcoin._decimals (#253) is not in UPPER_CASE_WITH_UNDERSCORES
Event CatcoinincludeUserInReward(address) (#311) is not in CapWords
Function IUniswapV2Router01.WETH() (#219) is not in mixedCase
Variable Catcoin._isExcludedFromFee (#258) is not in mixedCase
Event CatcoinbotAddedToBlacklist(address) (#305) is not in CapWords
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).sell_liquidity (#549) is not in mixedCase
Parameter Catcoin.setMultisig(address)._multisig (#385) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).buy_marketing (#546) is not in mixedCase
Parameter Catcoin.setFees(uint16,uint16,uint16,uint16,uint16,uint16,uint16,uint16).buy_dev (#547) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Catcoin.addLiquidity(uint256,uint256) (#831-841) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
Ensure that all the return values of the function calls are used.

Additional information: link

Catcoin.setMultisig(address)._multisig (#385) lacks a zero-check on :
- multisig = _multisig (#386)
Catcoin.openTrading(address)._withdrawcontract (#723) lacks a zero-check on :
- withdrawcontract = _withdrawcontract (#734)
Check that the address is not zero.

Additional information: link

Catcoin._transfer(address,address,uint256) (#738-765) uses tx.origin for authorization: require(bool,string)(! _isBlackListedBot[tx.origin],blacklisted) (#745)
Do not use tx.origin for authorization.

Additional information: link

reflectionFromToken(uint256,bool) should be declared external:
- Catcoin.reflectionFromToken(uint256,bool) (#447-464)
totalFees() should be declared external:
- Catcoin.totalFees() (#437-439)
isExcludedFromReward(address) should be declared external:
- Catcoin.isExcludedFromReward(address) (#433-435)
multiSendTokens(address[],uint256[]) should be declared external:
- Catcoin.multiSendTokens(address[],uint256[]) (#964-970)
allowance(address,address) should be declared external:
- Catcoin.allowance(address,address) (#393-394)
isExcludedFromFee(address) should be declared external:
- Catcoin.isExcludedFromFee(address) (#712-714)
setSwapTreshold(uint256) should be declared external:
- Catcoin.setSwapTreshold(uint256) (#441-445)
Use the external attribute for functions never called from the contract.

Additional information: link

Variable Catcoin._transferStandard(address,address,uint256).rTransferAmount (#874) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._transferToExcluded(address,address,uint256).rTransferAmount (#898) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin._transferBothExcluded(address,address,uint256).rTransferAmount (#946) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#922) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._transferStandard(address,address,uint256).rTransferAmount (#874) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferBothExcluded(address,address,uint256).rTransferAmount (#946) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Variable Catcoin._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#632-635) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin.reflectionFromToken(uint256,bool).rTransferAmount (#451) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin.reflectionFromToken(uint256,bool).rTransferAmount (#451) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#922) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Variable Catcoin._transferStandard(address,address,uint256).rTransferAmount (#874) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Variable Catcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#922) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#922) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin._transferBothExcluded(address,address,uint256).rTransferAmount (#946) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin.reflectionFromToken(uint256,bool).rTransferAmount (#451) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferFromExcluded(address,address,uint256).rTransferAmount (#922) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin._transferToExcluded(address,address,uint256).rTransferAmount (#898) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin.reflectionFromToken(uint256,bool).rTransferAmount (#451) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Variable Catcoin._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#632-635) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferToExcluded(address,address,uint256).rTransferAmount (#898) is too similar to Catcoin._getTValues(uint256).tTransferAmount (#607)
Variable Catcoin._transferStandard(address,address,uint256).rTransferAmount (#874) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin._transferBothExcluded(address,address,uint256).rTransferAmount (#946) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#632-635) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin._transferBothExcluded(address,address,uint256).rTransferAmount (#946) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#632-635) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Variable Catcoin._transferStandard(address,address,uint256).rTransferAmount (#874) is too similar to Catcoin._transferFromExcluded(address,address,uint256).tTransferAmount (#917)
Variable Catcoin.reflectionFromToken(uint256,bool).rTransferAmount (#451) is too similar to Catcoin._transferStandard(address,address,uint256).tTransferAmount (#869)
Variable Catcoin._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#632-635) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._transferToExcluded(address,address,uint256).rTransferAmount (#898) is too similar to Catcoin._transferBothExcluded(address,address,uint256).tTransferAmount (#941)
Variable Catcoin._transferToExcluded(address,address,uint256).rTransferAmount (#898) is too similar to Catcoin._transferToExcluded(address,address,uint256).tTransferAmount (#893)
Prevent variables from having similar names.

Additional information: link

solc-0.8.10 is not recommended for deployment
Pragma version=0.8.10 (#1) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
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

Reentrancy in Catcoin._transfer(address,address,uint256) (#738-765):
External calls:
- swapAndLiquify(contractTokenBalance) (#757)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _devFee = sellFee.dev (#709)
- _devFee = 0 (#695)
- _devFee = buyFee.dev (#702)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _liquidityFee = sellFee.liquidity (#707)
- _liquidityFee = 0 (#693)
- _liquidityFee = buyFee.liquidity (#700)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _marketingFee = sellFee.marketing (#708)
- _marketingFee = 0 (#694)
- _marketingFee = buyFee.marketing (#701)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#662)
- _rOwned[address(this)] = _rOwned[address(this)].add(rWallet) (#670)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#882)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#906)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#931)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#955)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#883)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#908)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#932)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#957)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _rTotal = _rTotal.sub(rFee) (#592)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _tFeeTotal = _tFeeTotal.add(tFee) (#593)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _tOwned[address(this)] = _tOwned[address(this)].add(tWallet) (#672)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#664)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#954)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#930)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#907)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#956)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _taxFee = 0 (#692)
- _taxFee = buyFee.tax (#699)
- _taxFee = sellFee.tax (#706)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#887)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#936)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#912)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#961)
- _tokenTransfer(from,to,amount,takeFee) (#764)
Reentrancy in Catcoin.swapAndLiquify(uint256) (#767-813):
External calls:
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
Event emitted after the call(s):
- SwapAndLiquify(toSwap,deltaBalance,tokensToAddLiquidityWith) (#808-812)
Reentrancy in Catcoin.transferFrom(address,address,uint256) (#399-410):
External calls:
- _transfer(sender,recipient,amount) (#400)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
External calls sending eth:
- _transfer(sender,recipient,amount) (#400)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#401-408)
- _allowances[owner][spender] = amount (#719)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#720)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#401-408)
Reentrancy in Catcoin.excessFundWithdrawal() (#576-582):
External calls:
- address(withdrawcontract).transfer(amountBNB) (#579)
Event emitted after the call(s):
- RecoverFunds() (#580)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable._lockTime (#174) is never used in Catcoin (#246-972)
Ownable._previousOwner (#173) is never used in Catcoin (#246-972)
Remove unused state variables.

Additional information: link

Catcoin.removeAllFee() (#691-696) has costly operations inside a loop:
- _liquidityFee = 0 (#693)
Catcoin.setSell() (#705-710) has costly operations inside a loop:
- _liquidityFee = sellFee.liquidity (#707)
Catcoin.removeAllFee() (#691-696) has costly operations inside a loop:
- _devFee = 0 (#695)
Catcoin.setBuy() (#698-703) has costly operations inside a loop:
- _devFee = buyFee.dev (#702)
Catcoin.lockTheSwap() (#332-336) has costly operations inside a loop:
- inSwapAndLiquify = true (#333)
Catcoin.setSell() (#705-710) has costly operations inside a loop:
- _taxFee = sellFee.tax (#706)
Catcoin.setBuy() (#698-703) has costly operations inside a loop:
- _taxFee = buyFee.tax (#699)
Catcoin.setBuy() (#698-703) has costly operations inside a loop:
- _liquidityFee = buyFee.liquidity (#700)
Catcoin.removeBotFromBlacklist(address) (#494-507) has costly operations inside a loop:
- _blackListedBots.pop() (#502)
Catcoin.setSell() (#705-710) has costly operations inside a loop:
- _devFee = sellFee.dev (#709)
Catcoin._reflectFee(uint256,uint256) (#591-594) has costly operations inside a loop:
- _rTotal = _rTotal.sub(rFee) (#592)
Catcoin.includeInReward(address) (#519-531) has costly operations inside a loop:
- _excluded.pop() (#526)
Catcoin.setBuy() (#698-703) has costly operations inside a loop:
- _marketingFee = buyFee.marketing (#701)
Catcoin.removeAllFee() (#691-696) has costly operations inside a loop:
- _taxFee = 0 (#692)
Catcoin._reflectFee(uint256,uint256) (#591-594) has costly operations inside a loop:
- _tFeeTotal = _tFeeTotal.add(tFee) (#593)
Catcoin.removeAllFee() (#691-696) has costly operations inside a loop:
- _marketingFee = 0 (#694)
Catcoin.lockTheSwap() (#332-336) has costly operations inside a loop:
- inSwapAndLiquify = false (#335)
Catcoin.setSell() (#705-710) has costly operations inside a loop:
- _marketingFee = sellFee.marketing (#708)
Use a local variable to hold the loop computation result.

Additional information: link

Reentrancy in Catcoin.transferFrom(address,address,uint256) (#399-410):
External calls:
- _transfer(sender,recipient,amount) (#400)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
External calls sending eth:
- _transfer(sender,recipient,amount) (#400)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#401-408)
- _allowances[owner][spender] = amount (#719)
Reentrancy in Catcoin._transfer(address,address,uint256) (#738-765):
External calls:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _devFee = sellFee.dev (#709)
- _devFee = 0 (#695)
- _devFee = buyFee.dev (#702)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _liquidityFee = sellFee.liquidity (#707)
- _liquidityFee = 0 (#693)
- _liquidityFee = buyFee.liquidity (#700)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _marketingFee = sellFee.marketing (#708)
- _marketingFee = 0 (#694)
- _marketingFee = buyFee.marketing (#701)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _tFeeTotal = _tFeeTotal.add(tFee) (#593)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- _taxFee = 0 (#692)
- _taxFee = buyFee.tax (#699)
- _taxFee = sellFee.tax (#706)
Reentrancy in Catcoin.swapAndLiquify(uint256) (#767-813):
External calls:
- swapTokensForEth(toSwap) (#781)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
State variables written after the call(s):
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- _allowances[owner][spender] = amount (#719)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Catcoin.swapAndLiquify(uint256) (#767-813):
External calls:
- swapTokensForEth(toSwap) (#781)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#720)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
Reentrancy in Catcoin.transferFrom(address,address,uint256) (#399-410):
External calls:
- _transfer(sender,recipient,amount) (#400)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
External calls sending eth:
- _transfer(sender,recipient,amount) (#400)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#720)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#401-408)
Reentrancy in Catcoin._transfer(address,address,uint256) (#738-765):
External calls:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#757)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#887)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#912)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#936)
- _tokenTransfer(from,to,amount,takeFee) (#764)
- Transfer(sender,recipient,tTransferAmount) (#961)
- _tokenTransfer(from,to,amount,takeFee) (#764)
Reentrancy in Catcoin.swapAndLiquify(uint256) (#767-813):
External calls:
- swapTokensForEth(toSwap) (#781)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#822-828)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#790)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,withdrawcontract,block.timestamp) (#833-840)
- address(withdrawcontract).transfer(marketingAmt) (#801)
- address(_devwallet).transfer(devAmt) (#805)
Event emitted after the call(s):
- SwapAndLiquify(toSwap,deltaBalance,tokensToAddLiquidityWith) (#808-812)
Apply the check-effects-interactions pattern.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity 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.


Token is deployed only at one blockchain

Contract has 2% buy tax and 2% sell tax.
Taxes are low and contract ownership is renounced.


Twitter account link seems to be invalid

No disclosed threats
No disclosed threats

Price for CATS