XavierMusk Token

Reentrancy in XavierMusk._transfer(address,address,uint256) (#328-347):
External calls:
- swapBack() (#340)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#389-395)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
External calls sending eth:
- swapBack() (#340)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
- address(marketingFeeReceiver).transfer(address(this).balance) (#412)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#342)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#344)
- amountReceived = takeFee(sender,amount) (#343)
- _balances[address(this)] = _balances[address(this)].add(fee) (#362)
- _balances[DEAD] = _balances[DEAD].add(burnAmount) (#365)
Apply the check-effects-interactions pattern.

Additional information: link

XavierMusk.swapForToken(address,address) (#421-424) ignores return value by IBEP20(token).transfer(receiver,IBEP20(token).balanceOf(address(this))) (#423)
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...)

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.

XavierMusk.swapBack() (#380-413) ignores return value by router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
Ensure that all the return values of the function calls are used.

Additional information: link

XavierMusk._approve(address,address,uint256).owner (#304) shadows:
- Ownable.owner() (#141-143) (function)
Rename the local variables that shadow another component.

Additional information: link

XavierMusk.setSwapBackSettings(uint256) (#449-452) should emit an event for:
- swapThreshold = _amount (#451)
Emit an event for critical parameter changes.

Additional information: link

XavierMusk.TransferBNBsOutfromContract(uint256,address).receiver (#415) lacks a zero-check on :
- receiver.transfer(amount) (#419)
Check that the address is not zero.

Additional information: link

Reentrancy in XavierMusk.constructor() (#256-272):
External calls:
- pair = IDEXFactory(router.factory()).createPair(router.WETH(),address(this)) (#259)
State variables written after the call(s):
- _allowances[address(this)][address(router)] = _totalSupply (#260)
- _balances[msg.sender] = _totalSupply (#270)
- isFeeExempt[msg.sender] = true (#264)
- isFeeExempt[address(this)] = true (#265)
- isFeeExempt[marketingFeeReceiver] = true (#266)
- isFeeExempt[address(router)] = true (#267)
- isFeeExempt[DEAD] = true (#268)
- marketingFeeReceiver = address(0x091a7e27c1604a4983a80Dc19C93237B20293CcD) (#262)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in XavierMusk._transfer(address,address,uint256) (#328-347):
External calls:
- swapBack() (#340)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountToSwap,0,path,address(this),block.timestamp) (#389-395)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
External calls sending eth:
- swapBack() (#340)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
- address(marketingFeeReceiver).transfer(address(this).balance) (#412)
Event emitted after the call(s):
- Transfer(sender,address(this),fee) (#363)
- amountReceived = takeFee(sender,amount) (#343)
- Transfer(sender,DEAD,burnAmount) (#366)
- amountReceived = takeFee(sender,amount) (#343)
- Transfer(sender,recipient,amountReceived) (#345)
Reentrancy in XavierMusk.constructor() (#256-272):
External calls:
- pair = IDEXFactory(router.factory()).createPair(router.WETH(),address(this)) (#259)
Event emitted after the call(s):
- Transfer(address(0),msg.sender,_totalSupply) (#271)
Apply the check-effects-interactions pattern.

Additional information: link

XavierMusk.transferFrom(address,address,uint256) (#318-327) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(startTime > 0 || isFeeExempt[sender],Trading not open) (#322)
- startTime == 0 && recipient == pair (#323)
XavierMusk._transfer(address,address,uint256) (#328-347) uses timestamp for comparisons
Dangerous comparisons:
- sender == pair && (block.timestamp - startTime <= botTime) && ! isFeeExempt[recipient] (#332)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (#120-122) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#86-91) is never used and should be removed
SafeMath.mod(uint256,uint256) (#75-77) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#93-98) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#18-24) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#45-50) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#52-57) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#33-43) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#26-31) is never used and should be removed
Remove unused functions.

Additional information: link

XavierMusk.swapThreshold (#252) is set pre-construction with a non-constant function or state variable:
- _totalSupply / 2000
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 (#14) 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 IDEXRouter.WETH() (#174) is not in mixedCase
Function XavierMusk.TransferBNBsOutfromContract(uint256,address) (#415-420) is not in mixedCase
Parameter XavierMusk.setSwapBackSettings(uint256)._amount (#449) is not in mixedCase
Parameter XavierMusk.setSwapBackEnable(bool)._enable (#453) is not in mixedCase
Constant XavierMusk._name (#223) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XavierMusk._symbol (#224) is not in UPPER_CASE_WITH_UNDERSCORES
Constant XavierMusk._decimals (#225) is not in UPPER_CASE_WITH_UNDERSCORES
Variable XavierMusk._totalSupply (#227) is not in mixedCase
Variable XavierMusk._balances (#229) is not in mixedCase
Variable XavierMusk._allowances (#230) is not in mixedCase
Variable XavierMusk.DEAD (#247) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Reentrancy in XavierMusk._transfer(address,address,uint256) (#328-347):
External calls:
- swapBack() (#340)
- address(marketingFeeReceiver).transfer(address(this).balance) (#412)
External calls sending eth:
- swapBack() (#340)
- router.addLiquidityETH{value: amountBNBLiquidity}(address(this),amountToLiquify,0,0,marketingFeeReceiver,block.timestamp) (#403-410)
- address(marketingFeeReceiver).transfer(address(this).balance) (#412)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#342)
- _balances[recipient] = _balances[recipient].add(amountReceived) (#344)
- amountReceived = takeFee(sender,amount) (#343)
- _balances[address(this)] = _balances[address(this)].add(fee) (#362)
- _balances[DEAD] = _balances[DEAD].add(burnAmount) (#365)
Event emitted after the call(s):
- Transfer(sender,address(this),fee) (#363)
- amountReceived = takeFee(sender,amount) (#343)
- Transfer(sender,DEAD,burnAmount) (#366)
- amountReceived = takeFee(sender,amount) (#343)
- Transfer(sender,recipient,amountReceived) (#345)
Apply the check-effects-interactions pattern.

Additional information: link

Variable IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#179) is too similar to IDEXRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#180)
Prevent variables from having similar names.

Additional information: link

XavierMusk.slitherConstructorVariables() (#220-458) uses literals with too many digits:
- _totalSupply = 1000000000000000000 * (10 ** _decimals) (#227)
XavierMusk.slitherConstructorVariables() (#220-458) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#247)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

XavierMusk.marketingFee (#237) is never used in XavierMusk (#220-458)
Remove unused state variables.

Additional information: link

XavierMusk.DEAD (#247) should be constant
XavierMusk._totalSupply (#227) should be constant
XavierMusk.botTime (#235) should be constant
XavierMusk.burnFee (#239) should be constant
XavierMusk.feeDenominator (#242) should be constant
XavierMusk.liquidityFee (#238) should be constant
XavierMusk.marketingFee (#237) should be constant
XavierMusk.totalFeeButBurn (#240) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#157-165)
balanceOf(address) should be declared external:
- XavierMusk.balanceOf(address) (#281)
approve(address,uint256) should be declared external:
- XavierMusk.approve(address,uint256) (#284-287)
excludeFromFee(address) should be declared external:
- XavierMusk.excludeFromFee(address) (#425-428)
includeInFee(address) should be declared external:
- XavierMusk.includeInFee(address) (#429-432)
excludeMultiFromFee(address[],bool) should be declared external:
- XavierMusk.excludeMultiFromFee(address[],bool) (#433-440)
isExcludedFromFee(address) should be declared external:
- XavierMusk.isExcludedFromFee(address) (#441-443)
multipleTransfer(address[],uint256) should be declared external:
- XavierMusk.multipleTransfer(address[],uint256) (#444-448)
Use the external attribute for functions never called from the contract.

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.

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

Token is deployed only at one blockchain

Token has only one trading pair

Contract has 3% buy tax and 1% sell tax.
Taxes are low and contract ownership is renounced.

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

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank