Duke Token is a decentralized meme token to incentivize the crypto space. Duke tokens is an experimental community driven project and the first with underlying utility & products.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Contract ownership is not renounced (belongs to a wallet)
DukeToken.allowance(address,address).owner (contracts/DukeToken.sol#628) shadows:
- Ownable.owner() (contracts/DukeToken.sol#524-526) (function)
DukeToken._approve(address,address,uint256).owner (contracts/DukeToken.sol#709) shadows:
- Ownable.owner() (contracts/DukeToken.sol#524-526) (function)
Rename the local variables that shadow another component.
Additional information: link
Address.isContract(address) (contracts/DukeToken.sol#311-320) uses assembly
- INLINE ASM (contracts/DukeToken.sol#318)
Address._verifyCallResult(bool,bytes,string) (contracts/DukeToken.sol#456-473) uses assembly
- INLINE ASM (contracts/DukeToken.sol#465-468)
Do not use evm assembly.
Additional information: link
DukeToken.includeAccount(address) (contracts/DukeToken.sol#696-707) has costly operations inside a loop:
- _excluded.pop() (contracts/DukeToken.sol#703)
Use a local variable to hold the loop computation result.
Additional information: link
SafeMath.tryDiv(uint256,uint256) (contracts/DukeToken.sol#135-138) is never used and should be removed
Address.sendValue(address,uint256) (contracts/DukeToken.sol#338-344) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (contracts/DukeToken.sol#389-391) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (contracts/DukeToken.sol#145-148) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (contracts/DukeToken.sol#448-454) is never used and should be removed
Address.functionDelegateCall(address,bytes) (contracts/DukeToken.sol#438-440) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (contracts/DukeToken.sol#99-103) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (contracts/DukeToken.sol#285-288) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (contracts/DukeToken.sol#399-406) is never used and should be removed
SafeMath.div(uint256,uint256,string) (contracts/DukeToken.sol#265-268) is never used and should be removed
Context._msgData() (contracts/DukeToken.sol#490-493) is never used and should be removed
Address.functionStaticCall(address,bytes) (contracts/DukeToken.sol#414-416) is never used and should be removed
SafeMath.mod(uint256,uint256) (contracts/DukeToken.sol#227-230) is never used and should be removed
Address._verifyCallResult(bool,bytes,string) (contracts/DukeToken.sol#456-473) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (contracts/DukeToken.sol#120-128) is never used and should be removed
SafeMath.trySub(uint256,uint256) (contracts/DukeToken.sol#110-113) is never used and should be removed
Address.isContract(address) (contracts/DukeToken.sol#311-320) is never used and should be removed
Address.functionCall(address,bytes,string) (contracts/DukeToken.sol#374-376) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (contracts/DukeToken.sol#424-430) is never used and should be removed
Address.functionCall(address,bytes) (contracts/DukeToken.sol#364-366) is never used and should be removed
Remove unused functions.
Additional information: link
DukeToken._rTotal (contracts/DukeToken.sol#574) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
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^0.6.2 (contracts/DukeToken.sol#6) 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.functionStaticCall(address,bytes,string) (contracts/DukeToken.sol#424-430):
- (success,returndata) = target.staticcall(data) (contracts/DukeToken.sol#428)
Low level call in Address.sendValue(address,uint256) (contracts/DukeToken.sol#338-344):
- (success) = recipient.call{value: amount}() (contracts/DukeToken.sol#342)
Low level call in Address.functionDelegateCall(address,bytes,string) (contracts/DukeToken.sol#448-454):
- (success,returndata) = target.delegatecall(data) (contracts/DukeToken.sol#452)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (contracts/DukeToken.sol#399-406):
- (success,returndata) = target.call{value: value}(data) (contracts/DukeToken.sol#404)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Constant DukeToken._totalSupply (contracts/DukeToken.sol#571) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (contracts/DukeToken.sol#491)" inContext (contracts/DukeToken.sol#485-494)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._transferFromExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#777) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._transferFromExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#777)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._transferToExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#768)
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken.reflectionFromToken(uint256,bool).rTransferAmount (contracts/DukeToken.sol#676) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken._transferToExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#768) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._getValues(uint256).rTransferAmount (contracts/DukeToken.sol#803) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._getRValues(uint256,uint256,uint256).rTransferAmount (contracts/DukeToken.sol#816) is too similar to DukeToken._getValues(uint256).tTransferAmount (contracts/DukeToken.sol#801)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._transferBothExcluded(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#786)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Variable DukeToken._transferStandard(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#760) is too similar to DukeToken._transferStandard(address,address,uint256).tTransferAmount (contracts/DukeToken.sol#760)
Variable DukeToken._transferBothExcluded(address,address,uint256).rTransferAmount (contracts/DukeToken.sol#786) is too similar to DukeToken._getTValues(uint256).tTransferAmount (contracts/DukeToken.sol#809)
Prevent variables from having similar names.
Additional information: link
DukeToken.slitherConstructorVariables() (contracts/DukeToken.sol#559-837) uses literals with too many digits:
- _tTotal = 540000000000 * 10 ** 9 (contracts/DukeToken.sol#572)
DukeToken.slitherConstructorConstantVariables() (contracts/DukeToken.sol#559-837) uses literals with too many digits:
- _totalSupply = 1000000000000 * 10 ** 9 (contracts/DukeToken.sol#571)
DukeToken.slitherConstructorVariables() (contracts/DukeToken.sol#559-837) uses literals with too many digits:
- burnAddress = 0x000000000000000000000000000000000000dEaD (contracts/DukeToken.sol#581)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
DukeToken.adminAddress (contracts/DukeToken.sol#582) should be constant
DukeToken._decimals (contracts/DukeToken.sol#579) should be constant
DukeToken.burnAddress (contracts/DukeToken.sol#581) should be constant
DukeToken._name (contracts/DukeToken.sol#577) should be constant
DukeToken._symbol (contracts/DukeToken.sol#578) should be constant
DukeToken.ownerAddress (contracts/DukeToken.sol#583) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
reflect(uint256) should be declared external:
- DukeToken.reflect(uint256) (contracts/DukeToken.sol#661-668)
transfer(address,uint256) should be declared external:
- DukeToken.transfer(address,uint256) (contracts/DukeToken.sol#623-626)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (contracts/DukeToken.sol#543-546)
increaseAllowance(address,uint256) should be declared external:
- DukeToken.increaseAllowance(address,uint256) (contracts/DukeToken.sol#643-646)
reflectionFromToken(uint256,bool) should be declared external:
- DukeToken.reflectionFromToken(uint256,bool) (contracts/DukeToken.sol#670-679)
totalFees() should be declared external:
- DukeToken.totalFees() (contracts/DukeToken.sol#657-659)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (contracts/DukeToken.sol#552-556)
name() should be declared external:
- DukeToken.name() (contracts/DukeToken.sol#602-604)
isExcluded(address) should be declared external:
- DukeToken.isExcluded(address) (contracts/DukeToken.sol#653-655)
symbol() should be declared external:
- DukeToken.symbol() (contracts/DukeToken.sol#606-608)
decimals() should be declared external:
- DukeToken.decimals() (contracts/DukeToken.sol#610-612)
transferFrom(address,address,uint256) should be declared external:
- DukeToken.transferFrom(address,address,uint256) (contracts/DukeToken.sol#637-641)
approve(address,uint256) should be declared external:
- DukeToken.approve(address,uint256) (contracts/DukeToken.sol#632-635)
balanceOf(address) should be declared external:
- DukeToken.balanceOf(address) (contracts/DukeToken.sol#618-621)
allowance(address,address) should be declared external:
- DukeToken.allowance(address,address) (contracts/DukeToken.sol#628-630)
decreaseAllowance(address,uint256) should be declared external:
- DukeToken.decreaseAllowance(address,uint256) (contracts/DukeToken.sol#648-651)
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 number of PancakeSwap swaps is less than 1. Token is either dead or inactive.
Contract has 2% buy tax and 2% sell tax.
Taxes are low but contract ownership is not renounced. Token has a high risk of becoming a honeypot.
Token is deployed only at one blockchain
BscScan page for the token does not contain additional info: website, socials, description, etc.
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
Token is not listed at Mobula.Finance
Additional information: link
Unable to find token on CoinHunt
Additional information: link
Token has a considerable age, but social accounts / website are missing or have few users
Young tokens have high risks of price dump / death
Token has relatively low CoinGecko rank
Twitter account has less than 100 followers
Last post in Twitter was more than 180 days ago
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account
Twitter account has few posts