CARS Token

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

Reentrancy in Cars._transfer(address,address,uint256) (#513-555):
External calls:
- swapAndLiquify(contractTokenBalance) (#528)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#576-582)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#528)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
State variables written after the call(s):
- super._transfer(from,ownerWallet,ownerAmount) (#548)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#247)
- _balances[recipient] = _balances[recipient].add(amount) (#248)
- super._transfer(from,to,tokensToTransfer) (#549)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#247)
- _balances[recipient] = _balances[recipient].add(amount) (#248)
- super._transfer(from,to,amount) (#551)
- _balances[sender] = _balances[sender].sub(amount,ERC20: transfer amount exceeds balance) (#247)
- _balances[recipient] = _balances[recipient].add(amount) (#248)
Apply the check-effects-interactions pattern.

Additional information: link

Cars._totalSupply (#469) shadows:
- ERC20._totalSupply (#179)
Remove the state variable shadowing.

Additional information: link

ERC20.constructor(string,string).symbol (#185) shadows:
- ERC20.symbol() (#195-197) (function)
Rename the local variables that shadow another component.

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Cars.changeOwnerWallet(address)._ownerWallet (#636) lacks a zero-check on :
- ownerWallet = _ownerWallet (#637)
Check that the address is not zero.

Additional information: link

Cars.addLiquidity(uint256,uint256) (#585-597) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
Ensure that all the return values of the function calls are used.

Additional information: link

Reentrancy in Cars.swapAndLiquify(uint256) (#557-567):
External calls:
- swapTokensForEth(half) (#561)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#576-582)
- addLiquidity(otherHalf,newBalance) (#563)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#563)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#563)
- _allowances[owner][spender] = amount (#266)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Cars.swapAndLiquify(uint256) (#557-567):
External calls:
- swapTokensForEth(half) (#561)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#576-582)
- addLiquidity(otherHalf,newBalance) (#563)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#563)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,address(this),block.timestamp) (#589-596)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#267)
- addLiquidity(otherHalf,newBalance) (#563)
- SwapAndLiquify(half,newBalance,otherHalf) (#566)
Apply the check-effects-interactions pattern.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#147-168) uses assembly
- INLINE ASM (#160-163)
Do not use evm assembly.

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Different versions of Solidity is used:
- Version used: ['0.6.12', '^0.6.0']
- ^0.6.0 (#1)
- 0.6.12 (#450)
Use one Solidity version.

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SafeMath.mod(uint256,uint256,string) (#92-95) is never used and should be removed
Remove unused functions.

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Pragma version^0.6.0 (#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.

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Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#147-168):
- (success,returndata) = target.call{value: weiValue}(data) (#151)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable Cars._uniswapV2Router (#457) is not in mixedCase
Follow the Solidity naming convention.

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Redundant expression "this (#9)" inContext (#3-12)
Remove redundant statements if they congest code but offer no value.

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Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#322) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#323)
Prevent variables from having similar names.

Additional information: link

Cars.constructor() (#494-511) uses literals with too many digits:
- _mint(address(0x6c9c7C8A9088a516B253B918CD5cDE15AE20Ab9f),32500000 * 10 ** 6) (#501)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Cars._totalSupply (#469) is never used in Cars (#452-641)
Remove unused state variables.

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Cars.minTokensBeforeSwap (#467) should be constant
Add the constant attributes to state variables that never change.

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changeOwnerWallet(address) should be declared external:
- Cars.changeOwnerWallet(address) (#636-638)
Use the external attribute for functions never called from the contract.

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

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute volume.

Unable to find PancakeSwap trading pair to compute number of swaps.

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Token was delisted (assigned to inactive / untracked listing) from CoinMarketCap

Additional information: link

Unable to find token contract audit

Unable to verify token contract address on the website

Unable to find audit link on the website

Unable to find whitepaper link on the website

Unable to find Telegram link on the website

Unable to find Twitter link on the website

Unable to find token on CoinHunt

Additional information: link

Unable to find code repository for the project

Young tokens have high risks of scam / price dump / death

Young tokens have high risks of scam / price dump / death

Token has no active CoinMarketCap listing / rank

Young tokens have high risks of price dump / death

Token has relatively low CoinGecko rank