MSMI [Mini Safemoon INU] Token

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Metacrypt_B_TR_TAX_X.addLiquidity(uint256,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#555-568) sends eth to arbitrary user
Dangerous calls:
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in Metacrypt_B_TR_TAX_X._transfer(address,address,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#425-464):
External calls:
- swapAndLiquify(contractTokenBalance) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#440)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#531-537)
- buyBackTokens(balance.mul(50).div(100)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#449)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#440)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- buyBackTokens(balance.mul(50).div(100)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#449)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _burnFee = _previousBurnFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#404)
- _burnFee = 0 (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#396)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _buybackFee = _previousBuybackFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#406)
- _buybackFee = 0 (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#398)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _liquidityFee = _previousLiquidityFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#403)
- _liquidityFee = 0 (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#395)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#373)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#627)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#607)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#649)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#670)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#608)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#629)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#650)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#672)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _rTotal = _rTotal.sub(rFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#296)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#374)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#648)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#669)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#628)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#671)
- _tokenTransfer(from,to,amount,takeFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#463)
- _walletFee = _previousWalletFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#405)
- _walletFee = 0 (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#397)
- buyBackTokens(balance.mul(50).div(100)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#449)
- inSwapAndLiquify = true (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#75)
- inSwapAndLiquify = false (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#77)
Apply the check-effects-interactions pattern.

Additional information: link

Metacrypt_B_TR_TAX_X.recoverToken(address,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#695-699) ignores return value by IERC20(tokenAddress).transfer(owner(),tokenAmount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#698)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Metacrypt_B_TR_TAX_X.setAllFeePercent(uint8,uint8,uint8,uint8,uint8) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#254-271) contains a tautology or contradiction:
- require(bool,string)(taxFee >= 0 && taxFee <= maxTaxFee,TF error) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#261)
Fix the incorrect comparison by changing the value type or the comparison.

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.

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.

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.

transferOwnership(address) should be declared external:
- ERC20Ownable.transferOwnership(address) (contracts/tokens/helpers/ERC20Ownable.sol#31-35)
Use the external attribute for functions never called from the contract.

Additional information: link

Metacrypt_B_TR_TAX_X.swapAndLiquify(uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#466-514) performs a multiplication on the result of a division:
-spentAmount = contractTokenBalance.div(totFee).mul(_buybackFee) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#485)
Consider ordering multiplication before division.

Additional information: link

Metacrypt_B_TR_TAX_X.addLiquidity(uint256,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#555-568) ignores return value by pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
Ensure that all the return values of the function calls are used.

Additional information: link

Metacrypt_B_TR_TAX_X._approve(address,address,uint256).owner (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#414) shadows:
- ERC20Ownable.owner() (contracts/tokens/helpers/ERC20Ownable.sol#17-19) (function)
Rename the local variables that shadow another component.

Additional information: link

Metacrypt_B_TR_TAX_X.setBuybackUpperLimit(uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#277-279) should emit an event for:
- buyBackUpperLimit = buyBackLimit * 10 ** _decimals (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#278)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in Metacrypt_B_TR_TAX_X.transferFrom(address,address,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#161-173):
External calls:
- _transfer(sender,recipient,amount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#166)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#531-537)
External calls sending eth:
- _transfer(sender,recipient,amount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#166)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#167-171)
- _allowances[owner][spender] = amount (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#421)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Metacrypt_B_TR_TAX_X.transferFrom(address,address,uint256) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#161-173):
External calls:
- _transfer(sender,recipient,amount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#166)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
- pcsV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#531-537)
External calls sending eth:
- _transfer(sender,recipient,amount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#166)
- pcsV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#560-567)
- pcsV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(0,path,dead,block.timestamp.add(300)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#547-552)
Event emitted after the call(s):
- Approval(owner,spender,amount) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#422)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#167-171)
Apply the check-effects-interactions pattern.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0']
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#3)
- ^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#3)
- >=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol#1)
- >=0.5.0 (@uniswap/v2-periphery/contracts/interfaces/IERC20.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol#1)
- ^0.8.0 (contracts/service/MetacryptGeneratorInfo.sol#15)
- ^0.8.0 (contracts/service/MetacryptHelper.sol#2)
- ^0.8.0 (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#2)
- ^0.8.0 (contracts/tokens/helpers/ERC20Ownable.sol#2)
Use one Solidity version.

Additional information: link

SafeMath.trySub(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#34-39) is never used and should be removed
Remove unused functions.

Additional information: link

Metacrypt_B_TR_TAX_X._previousBuybackFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#59) is set pre-construction with a non-constant function or state variable:
- _buybackFee
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

solc-0.8.9 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

Variable Metacrypt_B_TR_TAX_X._buybackFee (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#58) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (@openzeppelin/contracts/utils/Context.sol#21)" inContext (@openzeppelin/contracts/utils/Context.sol#15-24)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in Metacrypt_B_TR_TAX_X.constructor(address,string,string,uint8,uint256,address,uint8,uint8,uint8,uint8,uint8) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#80-124):
External calls:
- MetacryptHelper(Metacrypt_B_TR_TAX_X,__metacrypt_target) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#92)
- address(__metacrypt_target).transfer(msg.value) (contracts/service/MetacryptHelper.sol#11)
State variables written after the call(s):
- _burnFee = __metacrypt_tax_burn (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#119)
- _buybackFee = __metacrypt_tax_buyback (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#120)
- _decimals = __metacrypt_decimals (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#95)
- _isExcludedFromFee[_msgSender()] = true (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#114)
- _isExcludedFromFee[address(this)] = true (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#115)
- _liquidityFee = __metacrypt_tax_liquidity (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#118)
- _name = __metacrypt_name (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#93)
- _rOwned[_msgSender()] = _rTotal (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#101)
- _rTotal = (MAX - (MAX % _tTotal)) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#97)
- _symbol = __metacrypt_symbol (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#94)
- _tTotal = __metacrypt_initial (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#96)
- _taxFee = __metacrypt_tax_reflection (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#117)
- _walletFee = __metacrypt_tax_wallet (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#121)
- buyBackUpperLimit = __metacrypt_initial.mul(1).div(10000) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#99)
- feeWallet = address(_msgSender()) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#103)
- numTokensSellToAddToLiquidity = __metacrypt_initial.mul(1).div(1000) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#105)
- pcsV2Pair = IUniswapV2Factory(_pcsV2Router.factory()).createPair(address(this),_pcsV2Router.WETH()) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#109)
- pcsV2Router = _pcsV2Router (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#112)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#123)
Apply the check-effects-interactions pattern.

Additional information: link

Variable Metacrypt_B_TR_TAX_X._transferStandard(address,address,uint256).rTransferAmount (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#601) is too similar to Metacrypt_B_TR_TAX_X._transferToExcluded(address,address,uint256).tTransferAmount (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#623)
Prevent variables from having similar names.

Additional information: link

Metacrypt_B_TR_TAX_X.slitherConstructorVariables() (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#14-700) uses literals with too many digits:
- dead = 0x000000000000000000000000000000000000dEaD (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#17)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Metacrypt_B_TR_TAX_X.zero (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#18) is never used in Metacrypt_B_TR_TAX_X (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#14-700)
Remove unused state variables.

Additional information: link

Metacrypt_B_TR_TAX_X.zero (contracts/tokens/Metacrypt_B_TR_TAX_X.sol#18) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

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.

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

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank