XWNR [xWinner] Token

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

Contract ownership is not renounced (belongs to a wallet)

xWinner.includeAccount(address) (#613-624) has costly operations inside a loop:
- _excluded.pop() (#620)
Use a local variable to hold the loop computation result.

Additional information: link

xWinner.allowance(address,address).owner (#533) shadows:
- Ownable.owner() (#414-416) (function)
xWinner._approve(address,address,uint256).owner (#653) shadows:
- Ownable.owner() (#414-416) (function)
Rename the local variables that shadow another component.

Additional information: link

xWinner.updateFee(uint256,uint256,uint256) (#636-643) should emit an event for:
- _TAX_FEE = _txFee * 100 (#637)
- _BURN_FEE = _burnFee * 100 (#638)
- _CHARITY_FEE = _charityFee * 100 (#639)
- ORIG_TAX_FEE = _TAX_FEE (#640)
- ORIG_BURN_FEE = _BURN_FEE (#641)
- ORIG_CHARITY_FEE = _CHARITY_FEE (#642)
Emit an event for critical parameter changes.

Additional information: link

xWinner.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address)._FeeAddress (#486) lacks a zero-check on :
- FeeAddress = _FeeAddress (#500)
xWinner.constructor(string,string,uint256,uint256,uint256,uint256,uint256,address,address).tokenOwner (#486) lacks a zero-check on :
- _owner = tokenOwner (#501)
Check that the address is not zero.

Additional information: link

Address.isContract(address) (#276-285) uses assembly
- INLINE ASM (#283)
Address._functionCallWithValue(address,bytes,uint256,string) (#369-390) uses assembly
- INLINE ASM (#382-385)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#369-390) is never used and should be removed
Address.functionCall(address,bytes) (#329-331) is never used and should be removed
Address.functionCall(address,bytes,string) (#339-341) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#354-356) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#364-367) is never used and should be removed
Address.isContract(address) (#276-285) is never used and should be removed
Address.sendValue(address,uint256) (#303-309) is never used and should be removed
Context._msgData() (#19-22) is never used and should be removed
SafeMath.mod(uint256,uint256) (#233-235) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#249-252) is never used and should be removed
xWinner._getTaxFee() (#845-847) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.2 (#11) 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

Low level call in Address.sendValue(address,uint256) (#303-309):
- (success) = recipient.call{value: amount}() (#307)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#369-390):
- (success,returndata) = target.call{value: weiValue}(data) (#373)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable Ownable._owner (#406) is not in mixedCase
Contract xWinner (#449-851) is not in CapWords
Parameter xWinner.burn(uint256)._value (#632) is not in mixedCase
Parameter xWinner.updateFee(uint256,uint256,uint256)._txFee (#636) is not in mixedCase
Parameter xWinner.updateFee(uint256,uint256,uint256)._burnFee (#636) is not in mixedCase
Parameter xWinner.updateFee(uint256,uint256,uint256)._charityFee (#636) is not in mixedCase
Variable xWinner._NAME (#461) is not in mixedCase
Variable xWinner._SYMBOL (#462) is not in mixedCase
Variable xWinner._DECIMALS (#463) is not in mixedCase
Variable xWinner.FeeAddress (#464) is not in mixedCase
Variable xWinner._MAX (#466) is not in mixedCase
Variable xWinner._DECIMALFACTOR (#467) is not in mixedCase
Variable xWinner._GRANULARITY (#468) is not in mixedCase
Variable xWinner._TAX_FEE (#477) is not in mixedCase
Variable xWinner._BURN_FEE (#478) is not in mixedCase
Variable xWinner._CHARITY_FEE (#479) is not in mixedCase
Variable xWinner.ORIG_TAX_FEE (#482) is not in mixedCase
Variable xWinner.ORIG_BURN_FEE (#483) is not in mixedCase
Variable xWinner.ORIG_CHARITY_FEE (#484) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#20)" inContext (#14-23)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._getRTransferAmount(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#798) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._transferStandard(address,address,uint256).rTransferAmount (#692) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._transferFromExcluded(address,address,uint256).tTransferAmount (#726)
Variable xWinner.reflectionFromToken(uint256,bool).rTransferAmount (#593) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferBothExcluded(address,address,uint256).rTransferAmount (#743) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._transferToExcluded(address,address,uint256).rTransferAmount (#708) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._transferBothExcluded(address,address,uint256).tTransferAmount (#743)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._standardTransferContent(address,address,uint256,uint256).rTransferAmount (#701) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._getValues(uint256).rTransferAmount (#774) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._excludedToTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#735) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._getValues(uint256).tTransferAmount (#771)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).tTransferAmount (#752)
Variable xWinner._bothTransferContent(address,address,uint256,uint256,uint256,uint256).rTransferAmount (#752) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._transferStandard(address,address,uint256).tTransferAmount (#692)
Variable xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).rTransferAmount (#717) is too similar to xWinner._transferToExcluded(address,address,uint256).tTransferAmount (#708)
Variable xWinner._transferFromExcluded(address,address,uint256).rTransferAmount (#726) is too similar to xWinner._excludedFromTransferContent(address,address,uint256,uint256,uint256).tTransferAmount (#717)
Prevent variables from having similar names.

Additional information: link

xWinner._GRANULARITY (#468) should be constant
xWinner._MAX (#466) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

owner() should be declared external:
- Ownable.owner() (#414-416)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#433-436)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#442-446)
name() should be declared external:
- xWinner.name() (#507-509)
symbol() should be declared external:
- xWinner.symbol() (#511-513)
decimals() should be declared external:
- xWinner.decimals() (#515-517)
totalSupply() should be declared external:
- xWinner.totalSupply() (#519-521)
balanceOf(address) should be declared external:
- xWinner.balanceOf(address) (#523-526)
transfer(address,uint256) should be declared external:
- xWinner.transfer(address,uint256) (#528-531)
allowance(address,address) should be declared external:
- xWinner.allowance(address,address) (#533-535)
approve(address,uint256) should be declared external:
- xWinner.approve(address,uint256) (#537-540)
transferFrom(address,address,uint256) should be declared external:
- xWinner.transferFrom(address,address,uint256) (#542-546)
increaseAllowance(address,uint256) should be declared external:
- xWinner.increaseAllowance(address,uint256) (#548-551)
decreaseAllowance(address,uint256) should be declared external:
- xWinner.decreaseAllowance(address,uint256) (#553-556)
isExcluded(address) should be declared external:
- xWinner.isExcluded(address) (#558-560)
isCharity(address) should be declared external:
- xWinner.isCharity(address) (#562-564)
totalFees() should be declared external:
- xWinner.totalFees() (#566-568)
totalBurn() should be declared external:
- xWinner.totalBurn() (#570-572)
totalCharity() should be declared external:
- xWinner.totalCharity() (#574-576)
deliver(uint256) should be declared external:
- xWinner.deliver(uint256) (#578-585)
reflectionFromToken(uint256,bool) should be declared external:
- xWinner.reflectionFromToken(uint256,bool) (#587-596)
burn(uint256) should be declared external:
- xWinner.burn(uint256) (#632-634)
updateFee(uint256,uint256,uint256) should be declared external:
- xWinner.updateFee(uint256,uint256,uint256) (#636-643)
Use the external attribute for functions never called from the contract.

Additional information: link

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.

Contract has 1% buy tax and 0% sell tax.
Taxes are low but contract ownership is not renounced. Token has a high risk of becoming a honeypot.

Average 30d PancakeSwap liquidity is low.

Number of Binance Smart Chain (BSC) token holders is low.

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

Additional information: link

Unable to find token contract audit

Unable to find audit link on the website

Unable to find whitepaper link on the website

Token is not listed at Mobula.Finance

Additional information: link

Unable to find code repository for the project

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank

Young tokens have high risks of price dump / death