BHP [Black Hole Prince] Token

BhpToken.takeOutErrorTransfer(address) (#516-520) ignores return value by IBEP20(tokenaddress).transfer(_owner,IBEP20(tokenaddress).balanceOf(address(this))) (#519)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

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

Reentrancy in BhpToken._transfer(address,address,uint256) (#590-619):
External calls:
- uniswapV2Router.swapExactTokensForTokens(_totalfee,0,path,hua,deadline) (#610)
State variables written after the call(s):
- _balances[recipient] = _balances[recipient].add(real) (#612)
Apply the check-effects-interactions pattern.

Additional information: link

BhpToken._transfer(address,address,uint256) (#590-619) ignores return value by uniswapV2Router.swapExactTokensForTokens(_totalfee,0,path,hua,deadline) (#610)
Ensure that all the return values of the function calls are used.

Additional information: link

BhpToken.sethua(address)._hua (#458) lacks a zero-check on :
- hua = _hua (#461)
BhpToken.setchi(address)._chi (#463) lacks a zero-check on :
- chi = _chi (#466)
Check that the address is not zero.

Additional information: link

Reentrancy in BhpToken.constructor() (#438-451):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),usdt) (#448-449)
State variables written after the call(s):
- uniswapV2Router = _uniswapV2Router (#450)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in BhpToken._transfer(address,address,uint256) (#590-619):
External calls:
- uniswapV2Router.swapExactTokensForTokens(_totalfee,0,path,hua,deadline) (#610)
Event emitted after the call(s):
- Transfer(sender,recipient,real) (#613)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#112-118) uses assembly
- INLINE ASM (#116)
Address._functionCallWithValue(address,bytes,uint256,string) (#138-157) uses assembly
- INLINE ASM (#149-152)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#138-157) is never used and should be removed
Address.functionCall(address,bytes) (#125-127) is never used and should be removed
Address.functionCall(address,bytes,string) (#128-130) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#131-133) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#134-137) is never used and should be removed
Address.isContract(address) (#112-118) is never used and should be removed
Address.sendValue(address,uint256) (#119-124) is never used and should be removed
SafeMath.div(uint256,uint256) (#61-63) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#65-75) is never used and should be removed
SafeMath.min(uint256,uint256) (#90-92) is never used and should be removed
SafeMath.mod(uint256,uint256) (#77-79) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#81-88) is never used and should be removed
SafeMath.mul(uint256,uint256) (#47-59) is never used and should be removed
SafeMath.sqrt(uint256) (#95-106) is never used and should be removed
SafeMath.subwithlesszero(uint256,uint256) (#38-44) is never used and should be removed
TransferHelper.safeApprove(address,address,uint256) (#163-171) is never used and should be removed
TransferHelper.safeTransfer(address,address,uint256) (#173-181) is never used and should be removed
TransferHelper.safeTransferBNB(address,uint256) (#194-197) is never used and should be removed
TransferHelper.safeTransferFrom(address,address,address,uint256) (#183-192) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.8.0 (#10) allows old versions
solc-0.8.14 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) (#119-124):
- (success) = recipient.call{value: amount}() (#122)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#138-157):
- (success,returndata) = target.call{value: weiValue}(data) (#141)
Low level call in TransferHelper.safeApprove(address,address,uint256) (#163-171):
- (success,data) = token.call(abi.encodeWithSelector(0x095ea7b3,to,value)) (#169)
Low level call in TransferHelper.safeTransfer(address,address,uint256) (#173-181):
- (success,data) = token.call(abi.encodeWithSelector(0xa9059cbb,to,value)) (#179)
Low level call in TransferHelper.safeTransferFrom(address,address,address,uint256) (#183-192):
- (success,data) = token.call(abi.encodeWithSelector(0x23b872dd,from,to,value)) (#190)
Low level call in TransferHelper.safeTransferBNB(address,uint256) (#194-197):
- (success) = to.call{value: value}(new bytes(0)) (#195)
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() (#252) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#253) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#267) is not in mixedCase
Function IUniswapV2Router01.WETH() (#285) is not in mixedCase
Parameter BhpToken.sethua(address)._hua (#458) is not in mixedCase
Parameter BhpToken.setchi(address)._chi (#463) is not in mixedCase
Variable BhpToken._owner (#419) is not in mixedCase
Variable BhpToken._name (#420) is not in mixedCase
Variable BhpToken._symbol (#421) is not in mixedCase
Variable BhpToken._decimals (#422) is not in mixedCase
Variable BhpToken._totalsupply (#423) is not in mixedCase
Variable BhpToken.router_address (#429) is not in mixedCase
Variable BhpToken._minter (#431) is not in mixedCase
Variable BhpToken._balances (#432) is not in mixedCase
Variable BhpToken._isburning (#433) is not in mixedCase
Variable BhpToken._ispair (#434) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#289) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#290)
Prevent variables from having similar names.

Additional information: link

BhpToken.constructor() (#438-451) uses literals with too many digits:
- _mint(_owner,2100000 * 1e8) (#445)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

BhpToken.router_address (#429) should be constant
BhpToken.usdt (#427) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

setispair(bool) should be declared external:
- BhpToken.setispair(bool) (#453-457)
sethua(address) should be declared external:
- BhpToken.sethua(address) (#458-462)
setchi(address) should be declared external:
- BhpToken.setchi(address) (#463-467)
checkminter(address) should be declared external:
- BhpToken.checkminter(address) (#470-473)
addMinter(address) should be declared external:
- BhpToken.addMinter(address) (#474-477)
name() should be declared external:
- BhpToken.name() (#480-482)
symbol() should be declared external:
- BhpToken.symbol() (#484-486)
decimals() should be declared external:
- BhpToken.decimals() (#488-490)
totalSupply() should be declared external:
- BhpToken.totalSupply() (#492-494)
balanceOf(address) should be declared external:
- BhpToken.balanceOf(address) (#505-507)
setAllowtransfer(bool) should be declared external:
- BhpToken.setAllowtransfer(bool) (#509-513)
takeOutErrorTransfer(address) should be declared external:
- BhpToken.takeOutErrorTransfer(address) (#516-520)
allowance(address,address) should be declared external:
- BhpToken.allowance(address,address) (#530-535)
approve(address,uint256) should be declared external:
- BhpToken.approve(address,uint256) (#537-540)
transferFrom(address,address,uint256) should be declared external:
- BhpToken.transferFrom(address,address,uint256) (#542-549)
transfer(address,uint256) should be declared external:
- BhpToken.transfer(address,uint256) (#551-554)
increaseAllowance(address,uint256) should be declared external:
- BhpToken.increaseAllowance(address,uint256) (#556-559)
decreaseAllowance(address,uint256) should be declared external:
- BhpToken.decreaseAllowance(address,uint256) (#561-564)
burnFrom(address,uint256) should be declared external:
- BhpToken.burnFrom(address,uint256) (#566-574)
burn(uint256) should be declared external:
- BhpToken.burn(uint256) (#576-580)
Use the external attribute for functions never called from the contract.

Additional information: link

Not a direct threat, but may indicate unreliable intentions of developer. Widespread names (e.g. Elon, King, Moon, Doge) are common among meme-tokens and scams. The allow to gain free hype and attract unexperienced investors.

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

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find website, listings and other project-related information

Young tokens have high risks of scam / price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank