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JHE Token

About JHE

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Token 21 months

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Laser Scorebeta Last Audit: 11 June 2022

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Token seems to be anonymous. As long as we are unable to find website score is limited.

JHBToken.claimToken(IERC20) (#774-776) ignores return value by token.transfer(_owner,token.balanceOf(address(this))) (#775)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

JHBToken._tFeeTotal (#584) is never initialized. It is used in:
- JHBToken.totalFees() (#729-731)
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


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

JHBToken.setShare(address) (#869-877) uses a dangerous strict equality:
- IERC20(uniswapV2Pair).balanceOf(shareholder) == 0 (#871)
JHBToken.setShare(address) (#869-877) uses a dangerous strict equality:
- IERC20(uniswapV2Pair).balanceOf(shareholder) == 0 (#874)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link


Contract ownership is not renounced (belongs to a wallet)

JHBToken._transfer(address,address,uint256) (#794-827) performs a multiplication on the result of a division:
-require(bool,string)(amount <= balanceOf(from).div(1000).mul(999),reduce the selling amount) (#802)
JHBToken._buyTokenTransfers(address,address,uint256,uint256) (#909-929) performs a multiplication on the result of a division:
-_takeTransfer(sender,_destroyAddress,tAmount.div(1000).mul(_destroyFee),currentRate) (#920)
JHBToken._buyTokenTransfers(address,address,uint256,uint256) (#909-929) performs a multiplication on the result of a division:
-_takeTransfer(sender,address(this),tAmount.div(1000).mul(_lpFee),currentRate) (#921)
JHBToken._buyTokenTransfers(address,address,uint256,uint256) (#909-929) performs a multiplication on the result of a division:
-_takeTransfer(sender,address(_fundAddress),tAmount.div(1000).mul(_fundFee),currentRate) (#922)
JHBToken._transferAccounts(address,address,uint256,uint256,uint256) (#943-948) performs a multiplication on the result of a division:
-_rOwned[recipient] = _rOwned[recipient].add(rAmount.div(1000).mul(recipientRate)) (#945-946)
JHBToken._transferAccounts(address,address,uint256,uint256,uint256) (#943-948) performs a multiplication on the result of a division:
-Transfer(sender,recipient,tAmount.div(1000).mul(recipientRate)) (#947)
Consider ordering multiplication before division.

Additional information: link

JHBToken.allowance(address,address).owner (#685) shadows:
- Ownable.owner() (#91-93) (function)
JHBToken._approve(address,address,uint256).owner (#783) shadows:
- Ownable.owner() (#91-93) (function)
Rename the local variables that shadow another component.

Additional information: link

Ownable.changeOwner(address) (#103-105) should emit an event for:
- _owner = newOwner (#104)
Emit an event for critical parameter changes.

Additional information: link

JHBToken.setUnlockTime(uint256) (#643-647) should emit an event for:
- _unlockTime = lockTime (#645)
JHBToken.setUn(uint256) (#649-652) should emit an event for:
- killNums = nums (#651)
Emit an event for critical parameter changes.

Additional information: link

Ownable.changeOwner(address).newOwner (#103) lacks a zero-check on :
- _owner = newOwner (#104)
Check that the address is not zero.

Additional information: link

Reentrancy in JHBToken.constructor(address) (#616-641):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),address(usdt)) (#626-627)
State variables written after the call(s):
- _isExcludedFromFee[tokenOwner] = true (#634)
- _isExcludedFromFee[address(this)] = true (#635)
- _owner = msg.sender (#639)
- _rOwned[tokenOwner] = _rTotal (#632)
- _rTotal = (MAX - (MAX % _tTotal)) (#631)
- _tTotal = 10 * 10 ** 8 * 10 ** _decimals (#630)
- isDividendExempt[address(this)] = true (#636)
- isDividendExempt[address(0)] = true (#637)
- uniswapV2Router = _uniswapV2Router (#628)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in JHBToken.constructor(address) (#616-641):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),address(usdt)) (#626-627)
Event emitted after the call(s):
- Transfer(address(0),tokenOwner,_tTotal) (#640)
Apply the check-effects-interactions pattern.

Additional information: link

JHBToken._transfer(address,address,uint256) (#794-827) uses timestamp for comparisons
Dangerous comparisons:
- from != address(this) && LPFeefenhong.add(minPeriod) <= block.timestamp (#824)
JHBToken._buyTokenTransfers(address,address,uint256,uint256) (#909-929) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _unlockTime,can not buy yet) (#918)
Avoid relying on block.timestamp.

Additional information: link

Pragma version^0.8.11 (#1) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.11 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 Ownable._owner (#86) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#289) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#291) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#322) is not in mixedCase
Function IUniswapV2Router01.WETH() (#368) is not in mixedCase
Variable JHBToken._fundFee (#590) is not in mixedCase
Variable JHBToken._destroyFee (#593) is not in mixedCase
Variable JHBToken._lpFee (#603) is not in mixedCase
Variable JHBToken.LPFeefenhong (#605) is not in mixedCase
Variable JHBToken._unlockTime (#613) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#373) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#374)
Prevent variables from having similar names.

Additional information: link

JHBToken.slitherConstructorVariables() (#571-962) uses literals with too many digits:
- _destroyAddress = address(0x000000000000000000000000000000000000dEaD) (#594)
JHBToken.slitherConstructorVariables() (#571-962) uses literals with too many digits:
- distributorGas = 500000 (#602)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

JHBToken._destroyAddress (#594) should be constant
JHBToken._fundAddress (#591) should be constant
JHBToken._tFeeTotal (#584) should be constant
JHBToken.distributorGas (#602) should be constant
JHBToken.minPeriod (#604) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

changeOwner(address) should be declared external:
- Ownable.changeOwner(address) (#103-105)
setUnlockTime(uint256) should be declared external:
- JHBToken.setUnlockTime(uint256) (#643-647)
setUn(uint256) should be declared external:
- JHBToken.setUn(uint256) (#649-652)
setDestroyFee() should be declared external:
- JHBToken.setDestroyFee() (#654-658)
name() should be declared external:
- JHBToken.name() (#660-662)
symbol() should be declared external:
- JHBToken.symbol() (#664-666)
decimals() should be declared external:
- JHBToken.decimals() (#668-670)
totalSupply() should be declared external:
- JHBToken.totalSupply() (#672-674)
transfer(address,uint256) should be declared external:
- JHBToken.transfer(address,uint256) (#680-683)
allowance(address,address) should be declared external:
- JHBToken.allowance(address,address) (#685-687)
approve(address,uint256) should be declared external:
- JHBToken.approve(address,uint256) (#689-692)
transferFrom(address,address,uint256) should be declared external:
- JHBToken.transferFrom(address,address,uint256) (#694-706)
increaseAllowance(address,uint256) should be declared external:
- JHBToken.increaseAllowance(address,uint256) (#708-715)
decreaseAllowance(address,uint256) should be declared external:
- JHBToken.decreaseAllowance(address,uint256) (#717-727)
totalFees() should be declared external:
- JHBToken.totalFees() (#729-731)
excludeFromFee(address) should be declared external:
- JHBToken.excludeFromFee(address) (#742-744)
excludeFromFeeArray(address[]) should be declared external:
- JHBToken.excludeFromFeeArray(address[]) (#746-750)
includeInFee(address) should be declared external:
- JHBToken.includeInFee(address) (#752-754)
claimTokens() should be declared external:
- JHBToken.claimTokens() (#770-772)
claimToken(IERC20) should be declared external:
- JHBToken.claimToken(IERC20) (#774-776)
isExcludedFromFee(address) should be declared external:
- JHBToken.isExcludedFromFee(address) (#778-780)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d number of PancakeSwap swaps 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 Telegram and Twitter accounts


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

Price for JHE