HU [Jinhu] Token

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

TokenContract._totalSupply (contracts/TokenContract.sol#18) shadows:
- ERC20._totalSupply (@openzeppelin/contracts/token/ERC20/ERC20.sol#40)
TokenContract._name (contracts/TokenContract.sol#20) shadows:
- ERC20._name (@openzeppelin/contracts/token/ERC20/ERC20.sol#42)
TokenContract._symbol (contracts/TokenContract.sol#21) shadows:
- ERC20._symbol (@openzeppelin/contracts/token/ERC20/ERC20.sol#43)
Remove the state variable shadowing.

Additional information: link

TokenContract.sendERCTokenTo(address,address,uint256) (contracts/TokenContract.sol#426-430) ignores return value by IERC20(token).transfer(to,amount) (contracts/TokenContract.sol#429)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Reentrancy in TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197):
External calls:
- systemSync(amount) (contracts/TokenContract.sol#176)
- SystemContract.feeSync() (contracts/TokenContract.sol#204)
State variables written after the call(s):
- super._transfer(sender,marketingWallet,taxAmount) (contracts/TokenContract.sol#186)
- _balances[sender] = senderBalance - amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#234)
- _balances[recipient] += amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#236)
- super._transfer(sender,recipient,amount) (contracts/TokenContract.sol#192)
- _balances[sender] = senderBalance - amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#234)
- _balances[recipient] += amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#236)
Reentrancy in TokenContract.systemSync(uint256) (contracts/TokenContract.sol#199-208):
External calls:
- SystemContract.feeSync() (contracts/TokenContract.sol#204)
State variables written after the call(s):
- syncTemp = syncTemp.sub(syncThreshold) (contracts/TokenContract.sol#205)
Apply the check-effects-interactions pattern.

Additional information: link

TokenContract.setFeeDivider(uint16) (contracts/TokenContract.sol#235-237) should emit an event for:
- feeDivider = amount (contracts/TokenContract.sol#236)
TokenContract.setSyncThreshold(uint256) (contracts/TokenContract.sol#409-411) should emit an event for:
- syncThreshold = amount (contracts/TokenContract.sol#410)
Emit an event for critical parameter changes.

Additional information: link

TokenContract.setPair(address)._pairAddress (contracts/TokenContract.sol#290) lacks a zero-check on :
- uniswapV2PairAddress = _pairAddress (contracts/TokenContract.sol#291)
TokenContract.setRouter(address)._routerAddress (contracts/TokenContract.sol#295) lacks a zero-check on :
- uniswapV2Router02Address = _routerAddress (contracts/TokenContract.sol#296)
Check that the address is not zero.

Additional information: link

Reentrancy in TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197):
External calls:
- systemSync(amount) (contracts/TokenContract.sol#176)
- SystemContract.feeSync() (contracts/TokenContract.sol#204)
State variables written after the call(s):
- transferFee = defaultTransferFee (contracts/TokenContract.sol#190)
Reentrancy in TokenContract.constructor() (contracts/TokenContract.sol#66-109):
External calls:
- uniswapV2PairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/TokenContract.sol#74-75)
State variables written after the call(s):
- _mint(owner(),_totalSupply) (contracts/TokenContract.sol#104)
- _balances[account] += amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#258)
- _lists[transferFeeExclusionList][owner()] = true (contracts/TokenContract.sol#81)
- _lists[transferFeeExclusionList][address(this)] = true (contracts/TokenContract.sol#82)
- _lists[antiWhaleExclusionList][owner()] = true (contracts/TokenContract.sol#84)
- _lists[antiWhaleExclusionList][address(this)] = true (contracts/TokenContract.sol#85)
- _lists[balanceLimitExclusionList][owner()] = true (contracts/TokenContract.sol#87)
- _lists[balanceLimitExclusionList][address(this)] = true (contracts/TokenContract.sol#88)
- _lists[balanceLimitExclusionList][uniswapV2PairAddress] = true (contracts/TokenContract.sol#89)
- _lists[pauseExclusionList][owner()] = true (contracts/TokenContract.sol#92)
- _lists[pauseExclusionList][address(this)] = true (contracts/TokenContract.sol#93)
- _lists[marketWhiteList][owner()] = true (contracts/TokenContract.sol#95)
- _lists[marketWhiteList][address(this)] = true (contracts/TokenContract.sol#96)
- _lists[marketWhiteList][uniswapV2Router02Address] = true (contracts/TokenContract.sol#97)
- _lists[marketBlacklist][owner()] = false (contracts/TokenContract.sol#99)
- _lists[marketBlacklist][address(this)] = false (contracts/TokenContract.sol#100)
- _mint(owner(),_totalSupply) (contracts/TokenContract.sol#104)
- _totalSupply += amount (@openzeppelin/contracts/token/ERC20/ERC20.sol#257)
- _uniswapV2Pair = IUniswapV2Pair(uniswapV2PairAddress) (contracts/TokenContract.sol#77)
- isPaused = true (contracts/TokenContract.sol#106)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197):
External calls:
- systemSync(amount) (contracts/TokenContract.sol#176)
- SystemContract.feeSync() (contracts/TokenContract.sol#204)
Event emitted after the call(s):
- SystemSync() (contracts/TokenContract.sol#177)
- Transfer(sender,recipient,amount) (@openzeppelin/contracts/token/ERC20/ERC20.sol#238)
- super._transfer(sender,marketingWallet,taxAmount) (contracts/TokenContract.sol#186)
- Transfer(sender,recipient,amount) (@openzeppelin/contracts/token/ERC20/ERC20.sol#238)
- super._transfer(sender,recipient,amount) (contracts/TokenContract.sol#192)
Reentrancy in TokenContract.constructor() (contracts/TokenContract.sol#66-109):
External calls:
- uniswapV2PairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (contracts/TokenContract.sol#74-75)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (@openzeppelin/contracts/token/ERC20/ERC20.sol#259)
- _mint(owner(),_totalSupply) (contracts/TokenContract.sol#104)
- Transfer(address(0),_msgSender(),_totalSupply) (contracts/TokenContract.sol#105)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#27-37) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#33-35)
Address.verifyCallResult(bool,bytes,string) (@openzeppelin/contracts/utils/Address.sol#196-216) uses assembly
- INLINE ASM (@openzeppelin/contracts/utils/Address.sol#208-211)
Do not use evm assembly.

Additional information: link

TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[marketWhiteList][sender] == true,WARNING: sender not in whitelist) (contracts/TokenContract.sol#164)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[pauseExclusionList][sender] == true || _lists[pauseExclusionList][recipient] == true,WARNING: contract is in pause for maintenance) (contracts/TokenContract.sol#126)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-_lists[transferFeeExclusionList][sender] == true || _lists[transferFeeExclusionList][recipient] == true (contracts/TokenContract.sol#168)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[antiWhaleExclusionList][sender] == true || _lists[antiWhaleExclusionList][recipient] == true,WARNING: transfer amount exceeds permitted amount) (contracts/TokenContract.sol#138)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[balanceLimitExclusionList][recipient] == true,WARNING: recipient address will exceed balanceLimit) (contracts/TokenContract.sol#143)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[marketWhiteList][recipient] == true,WARNING: recipient not in whitelist) (contracts/TokenContract.sol#152)
TokenContract._transfer(address,address,uint256) (contracts/TokenContract.sol#112-197) compares to a boolean constant:
-require(bool,string)(_lists[marketBlacklist][sender] == false && _lists[marketBlacklist][recipient] == false,WARNING: sending or recipient address is in blacklist, contact the team) (contracts/TokenContract.sol#133)
Remove the equality to the boolean constant.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0', '^0.8.11']
- ^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4)
- ^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/Address.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4)
- ^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#4)
- >=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol#1)
- >=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#1)
- >=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol#1)
- ^0.8.11 (contracts/ISystemContract.sol#1)
- ^0.8.0 (contracts/Operable.sol#4)
- ^0.8.11 (contracts/TokenContract.sol#1)
Use one Solidity version.

Additional information: link

Address.functionCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#80-82) is never used and should be removed
Address.functionCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#90-96) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (@openzeppelin/contracts/utils/Address.sol#109-115) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#123-134) is never used and should be removed
Address.functionDelegateCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#169-171) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#179-188) is never used and should be removed
Address.functionStaticCall(address,bytes) (@openzeppelin/contracts/utils/Address.sol#142-144) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#152-161) is never used and should be removed
Address.isContract(address) (@openzeppelin/contracts/utils/Address.sol#27-37) is never used and should be removed
Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#55-60) is never used and should be removed
Address.verifyCallResult(bool,bytes,string) (@openzeppelin/contracts/utils/Address.sol#196-216) is never used and should be removed
Context._msgData() (@openzeppelin/contracts/utils/Context.sol#21-23) is never used and should be removed
ERC20._burn(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#275-290) is never used and should be removed
SafeMath.div(uint256,uint256,string) (@openzeppelin/contracts/utils/math/SafeMath.sol#191-200) is never used and should be removed
SafeMath.mod(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#151-153) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (@openzeppelin/contracts/utils/math/SafeMath.sol#217-226) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (@openzeppelin/contracts/utils/math/SafeMath.sol#168-177) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#22-28) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#64-69) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#76-81) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#47-57) is never used and should be removed
SafeMath.trySub(uint256,uint256) (@openzeppelin/contracts/utils/math/SafeMath.sol#35-40) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (@openzeppelin/contracts/access/Ownable.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/ERC20.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/IERC20.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Address.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/Context.sol#4) allows old versions
Pragma version^0.8.0 (@openzeppelin/contracts/utils/math/SafeMath.sol#4) allows old versions
Pragma version>=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol#1) allows old versions
Pragma version>=0.5.0 (@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol#1) allows old versions
Pragma version>=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#1) allows old versions
Pragma version>=0.6.2 (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol#1) allows old versions
Pragma version^0.8.11 (contracts/ISystemContract.sol#1) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
Pragma version^0.8.0 (contracts/Operable.sol#4) allows old versions
Pragma version^0.8.11 (contracts/TokenContract.sol#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

Low level call in Address.sendValue(address,uint256) (@openzeppelin/contracts/utils/Address.sol#55-60):
- (success) = recipient.call{value: amount}() (@openzeppelin/contracts/utils/Address.sol#58)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (@openzeppelin/contracts/utils/Address.sol#123-134):
- (success,returndata) = target.call{value: value}(data) (@openzeppelin/contracts/utils/Address.sol#132)
Low level call in Address.functionStaticCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#152-161):
- (success,returndata) = target.staticcall(data) (@openzeppelin/contracts/utils/Address.sol#159)
Low level call in Address.functionDelegateCall(address,bytes,string) (@openzeppelin/contracts/utils/Address.sol#179-188):
- (success,returndata) = target.delegatecall(data) (@openzeppelin/contracts/utils/Address.sol#186)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Pair.DOMAIN_SEPARATOR() (@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol#18) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol#19) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol#36) is not in mixedCase
Function IUniswapV2Router01.WETH() (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#5) is not in mixedCase
Parameter TokenContract.initMarketingAddress(address)._newMarketingAddress (contracts/TokenContract.sol#258) is not in mixedCase
Parameter TokenContract.setMarketingAddress(address)._newMarketingAddress (contracts/TokenContract.sol#262) is not in mixedCase
Parameter TokenContract.editMarketingAddress(address)._newMarketingAddress (contracts/TokenContract.sol#275) is not in mixedCase
Parameter TokenContract.setPair(address)._pairAddress (contracts/TokenContract.sol#290) is not in mixedCase
Parameter TokenContract.setRouter(address)._routerAddress (contracts/TokenContract.sol#295) is not in mixedCase
Variable TokenContract._uniswapV2Router (contracts/TokenContract.sol#31) is not in mixedCase
Variable TokenContract._uniswapV2Pair (contracts/TokenContract.sol#32) is not in mixedCase
Variable TokenContract.SystemContract (contracts/TokenContract.sol#33) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#10) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol#11)
Prevent variables from having similar names.

Additional information: link

TokenContract._name (contracts/TokenContract.sol#20) is never used in TokenContract (contracts/TokenContract.sol#14-436)
TokenContract._symbol (contracts/TokenContract.sol#21) is never used in TokenContract (contracts/TokenContract.sol#14-436)
Remove unused state variables.

Additional information: link

TokenContract._name (contracts/TokenContract.sol#20) should be constant
TokenContract._symbol (contracts/TokenContract.sol#21) should be constant
TokenContract.version (contracts/TokenContract.sol#23) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (@openzeppelin/contracts/access/Ownable.sol#54-56)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (@openzeppelin/contracts/access/Ownable.sol#62-65)
name() should be declared external:
- ERC20.name() (@openzeppelin/contracts/token/ERC20/ERC20.sol#62-64)
symbol() should be declared external:
- ERC20.symbol() (@openzeppelin/contracts/token/ERC20/ERC20.sol#70-72)
decimals() should be declared external:
- ERC20.decimals() (@openzeppelin/contracts/token/ERC20/ERC20.sol#87-89)
totalSupply() should be declared external:
- ERC20.totalSupply() (@openzeppelin/contracts/token/ERC20/ERC20.sol#94-96)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#113-116)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (@openzeppelin/contracts/token/ERC20/ERC20.sol#121-123)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#132-135)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#150-164)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#178-181)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (@openzeppelin/contracts/token/ERC20/ERC20.sol#197-205)
checkOperator(address) should be declared external:
- Operable.checkOperator(address) (contracts/Operable.sol#35-37)
addOperator(address) should be declared external:
- Operable.addOperator(address) (contracts/Operable.sol#39-41)
removeOperator(address) should be declared external:
- Operable.removeOperator(address) (contracts/Operable.sol#43-45)
verifyAddresInList(string,address) should be declared external:
- TokenContract.verifyAddresInList(string,address) (contracts/TokenContract.sol#388-392)
setBatchInList(string,address[],bool) should be declared external:
- TokenContract.setBatchInList(string,address[],bool) (contracts/TokenContract.sol#394-398)
setMarketWhiteListMode(bool) should be declared external:
- TokenContract.setMarketWhiteListMode(bool) (contracts/TokenContract.sol#401-403)
setSystemSync(bool) should be declared external:
- TokenContract.setSystemSync(bool) (contracts/TokenContract.sol#406-408)
setSyncThreshold(uint256) should be declared external:
- TokenContract.setSyncThreshold(uint256) (contracts/TokenContract.sol#409-411)
Use the external attribute for functions never called from the contract.

Additional information: link

Token seems to be untradeable: there is no PancakeSwap trading pair and no trading volumes. Ignore for presale.

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

BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link

Unable to find token/project description on the website or on BscScan, CoinMarketCap

Unable to find token contract audit

Unable to verify that token and website are owned by the same team (no listings + unable to find contract on website)

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

Unable to find Twitter link on the website

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

Additional information: link

Unable to find token on CoinHunt

Additional information: link

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 scam / price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank