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HKUN [Hakuna Matata] Token

About HKUN

Listings

Token 12 months
CoinMarketCap 12 months
white paper

A token based on the Binance Smart Chain. With an NFT marketplace, play to earn gaming, charity donations, manual buy back, token burns and a perk of choosing your reflections in BUSD or HKUN token.

Laser Scorebeta Last Audit: 30 November 2021

report
Token seems to be (relatively) fine. It still become a scam, but probability is moderate.

Anti-Scam

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

Reentrancy in HKUN.takeDividendBeforeSell(address) (#799-812):
External calls:
- swapTokensForETH(dividend,account) (#808)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,1000,path,account,block.timestamp) (#875-881)
State variables written after the call(s):
- appendTotalDividend(msg.sender,claimedBUSD,false) (#810)
- lastClaim[account] = block.timestamp (#860)
Apply the check-effects-interactions pattern.

Additional information: link

HKUN.handleFees(uint256,bool).sellWeight (#720) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

HKUN.addLiquidity() (#765-797) ignores return value by uniswapV2Router.addLiquidityETH{value: newBalance}(address(this),otherHalf,0,0,address(this),block.timestamp) (#789-796)
Ensure that all the return values of the function calls are used.

Additional information: link

HKUN._approve(address,address,uint256).owner (#884) shadows:
- Ownable.owner() (#118-120) (function)
Rename the local variables that shadow another component.

Additional information: link

HKUN.setFees(uint256,uint256,uint256,uint256,uint256) (#755-763) should emit an event for:
- redistributionFee = newRedistributionFee (#756)
- burnFee = newBurnFee (#757)
- liquidityFee = newLiquidityFee (#758)
- marketingFee = newMarketingFee (#759)
- charityFee = newCharityFee (#760)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in HKUN.transferFrom(address,address,uint256) (#677-681):
External calls:
- _transfer(sender,recipient,amount) (#678)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,1000,path,account,block.timestamp) (#875-881)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,trnsfr amt > alonce)) (#679)
- _allowances[owner][spender] = amount (#888)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in HKUN.transferFrom(address,address,uint256) (#677-681):
External calls:
- _transfer(sender,recipient,amount) (#678)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,1000,path,account,block.timestamp) (#875-881)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#889)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,trnsfr amt > alonce)) (#679)
Apply the check-effects-interactions pattern.

Additional information: link

HKUN.takeDividend(bool) (#828-848) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(nextClaimTime(msg.sender) <= block.timestamp,Minimum Claim Sleep not over) (#830)
Avoid relying on block.timestamp.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#447-468) uses assembly
- INLINE ASM (#460-463)
Do not use evm assembly.

Additional information: link

SafeMath.mod(uint256,uint256,string) (#101-104) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#447-468):
- (success,returndata) = target.call{value: weiValue}(data) (#451)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Constant HKUN._symbol (#502) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#45)" inContext (#37-49)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#242) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#243)
Prevent variables from having similar names.

Additional information: link

HKUN.slitherConstructorVariables() (#471-892) uses literals with too many digits:
- DEAD = 0x000000000000000000000000000000000000dEaD (#475)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

HKUN.totalLiquidityCollected (#493) is never used in HKUN (#471-892)
Remove unused state variables.

Additional information: link

HKUN.totalLiquidityCollected (#493) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

decreaseAllowance(address,uint256) should be declared external:
- HKUN.decreaseAllowance(address,uint256) (#688-691)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain


Unable to find PancakeSwap trading pair to compute liquidity.


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


Twitter account link seems to be invalid


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 find audit link on the website


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


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank

Price for HKUN