THTF Token

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

TheHarderTheyFall.addLiquidity(uint256,uint256) (#704-717) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in TheHarderTheyFall._transfer(address,address,uint256) (#616-651):
External calls:
- swapAndLiquify(contractTokenBalance) (#638)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#638)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#641)
- _balances[recipient] = _balances[recipient].add(finalAmount) (#646)
- finalAmount = takeFee(sender,amount) (#643-644)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#724)
Apply the check-effects-interactions pattern.

Additional information: link

Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#265) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#266)
Prevent variables from having similar names.

Additional information: link

TheHarderTheyFall.addLiquidity(uint256,uint256) (#704-717) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
Ensure that all the return values of the function calls are used.

Additional information: link

TheHarderTheyFall.setTaxes(uint256,uint256,uint256) (#541-547) should emit an event for:
- _liquidityFee = newLiquidityFee (#542)
- _buybackFee = newBuyBackFee (#544)
- _totalTax = _liquidityFee.add(_marketingFee).add(_buybackFee) (#546)
TheHarderTheyFall.setMaxTxAmount(uint256) (#549-551) should emit an event for:
- _maxTxAmount = maxTxAmount (#550)
TheHarderTheyFall.setNumTokensBeforeSwap(uint256) (#553-555) should emit an event for:
- minimumTokensBeforeSwap = newLimit (#554)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in TheHarderTheyFall.changeRouterVersion(address) (#584-600):
External calls:
- newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#592-593)
State variables written after the call(s):
- isMarketPair[address(uniswapPair)] = true (#599)
- uniswapPair = newPairAddress (#596)
- uniswapV2Router = _uniswapV2Router (#597)
Reentrancy in TheHarderTheyFall.constructor() (#452-476):
External calls:
- uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#456-457)
State variables written after the call(s):
- _allowances[address(this)][address(uniswapV2Router)] = _totalSupply (#460)
- _balances[_msgSender()] = _totalSupply (#474)
- _totalTax = _liquidityFee.add(_marketingFee).add(_buybackFee) (#473)
- isExcludedFromFee[owner()] = true (#462)
- isExcludedFromFee[address(this)] = true (#463)
- isExcludedFromFee[address(marketingWalletAddress)] = true (#464)
- isExcludedFromFee[address(buybackWalletAddress)] = true (#465)
- isMarketPair[address(uniswapPair)] = true (#472)
- isTxLimitExempt[owner()] = true (#467)
- isTxLimitExempt[address(this)] = true (#468)
- isTxLimitExempt[address(marketingWalletAddress)] = true (#469)
- isTxLimitExempt[address(buybackWalletAddress)] = true (#470)
- uniswapV2Router = _uniswapV2Router (#459)
Reentrancy in TheHarderTheyFall.swapAndLiquify(uint256) (#660-682):
External calls:
- swapTokensForEth(tokensForSwap) (#665)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,bnbForMarketing) (#675)
- recipient.transfer(amount) (#581)
- transferToAddressETH(buybackWalletAddress,bnbForBuyback) (#678)
- recipient.transfer(amount) (#581)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- _allowances[owner_][spender] = amount (#525)
Reentrancy in TheHarderTheyFall.transferFrom(address,address,uint256) (#610-614):
External calls:
- _transfer(sender,recipient,amount) (#611)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
External calls sending eth:
- _transfer(sender,recipient,amount) (#611)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#612)
- _allowances[owner_][spender] = amount (#525)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in TheHarderTheyFall._transfer(address,address,uint256) (#616-651):
External calls:
- swapAndLiquify(contractTokenBalance) (#638)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#638)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#725)
- finalAmount = takeFee(sender,amount) (#643-644)
- Transfer(sender,recipient,finalAmount) (#648)
Reentrancy in TheHarderTheyFall.constructor() (#452-476):
External calls:
- uniswapPair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#456-457)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_totalSupply) (#475)
Reentrancy in TheHarderTheyFall.swapAndLiquify(uint256) (#660-682):
External calls:
- swapTokensForEth(tokensForSwap) (#665)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,bnbForMarketing) (#675)
- recipient.transfer(amount) (#581)
- transferToAddressETH(buybackWalletAddress,bnbForBuyback) (#678)
- recipient.transfer(amount) (#581)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
Event emitted after the call(s):
- Approval(owner_,spender,amount) (#526)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
Reentrancy in TheHarderTheyFall.swapTokensForEth(uint256) (#684-702):
External calls:
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
Event emitted after the call(s):
- SwapTokensForETH(tokenAmount,path) (#701)
Reentrancy in TheHarderTheyFall.transferFrom(address,address,uint256) (#610-614):
External calls:
- _transfer(sender,recipient,amount) (#611)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#693-699)
External calls sending eth:
- _transfer(sender,recipient,amount) (#611)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
Event emitted after the call(s):
- Approval(owner_,spender,amount) (#526)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#612)
Apply the check-effects-interactions pattern.

Additional information: link

Ownable.unlock() (#185-190) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(block.timestamp > _lockTime,Contract is locked until 7 days) (#187)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (#81-90) uses assembly
- INLINE ASM (#88)
Address._functionCallWithValue(address,bytes,uint256,string) (#117-134) uses assembly
- INLINE ASM (#126-129)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (#117-134) is never used and should be removed
Address.functionCall(address,bytes) (#100-102) is never used and should be removed
Address.functionCall(address,bytes,string) (#104-106) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#108-110) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#112-115) is never used and should be removed
Address.isContract(address) (#81-90) is never used and should be removed
Address.sendValue(address,uint256) (#92-98) is never used and should be removed
Context._msgData() (#10-13) is never used and should be removed
SafeMath.mod(uint256,uint256) (#69-71) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#73-76) is never used and should be removed
Remove unused functions.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#92-98):
- (success) = recipient.call{value: amount}() (#96)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#117-134):
- (success,returndata) = target.call{value: weiValue}(data) (#120)
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() (#224) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#225) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#241) is not in mixedCase
Function IUniswapV2Router01.WETH() (#260) is not in mixedCase
Parameter TheHarderTheyFall.setSwapAndLiquifyEnabled(bool)._enabled (#567) is not in mixedCase
Constant TheHarderTheyFall._name (#398) is not in UPPER_CASE_WITH_UNDERSCORES
Constant TheHarderTheyFall._symbol (#399) is not in UPPER_CASE_WITH_UNDERSCORES
Constant TheHarderTheyFall._decimals (#400) is not in UPPER_CASE_WITH_UNDERSCORES
Variable TheHarderTheyFall._liquidityFee (#413) is not in mixedCase
Variable TheHarderTheyFall._marketingFee (#414) is not in mixedCase
Variable TheHarderTheyFall._buybackFee (#415) is not in mixedCase
Variable TheHarderTheyFall._totalTax (#416) is not in mixedCase
Constant TheHarderTheyFall._totalSupply (#418) is not in UPPER_CASE_WITH_UNDERSCORES
Variable TheHarderTheyFall._maxTxAmount (#419) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#11)" inContext (#4-14)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in TheHarderTheyFall._transfer(address,address,uint256) (#616-651):
External calls:
- swapAndLiquify(contractTokenBalance) (#638)
- recipient.transfer(amount) (#581)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#638)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- _balances[sender] = _balances[sender].sub(amount,Insufficient Balance) (#641)
- _balances[recipient] = _balances[recipient].add(finalAmount) (#646)
- finalAmount = takeFee(sender,amount) (#643-644)
- _balances[address(this)] = _balances[address(this)].add(feeAmount) (#724)
Event emitted after the call(s):
- Transfer(sender,address(this),feeAmount) (#725)
- finalAmount = takeFee(sender,amount) (#643-644)
- Transfer(sender,recipient,finalAmount) (#648)
Reentrancy in TheHarderTheyFall.swapAndLiquify(uint256) (#660-682):
External calls:
- transferToAddressETH(marketingWalletAddress,bnbForMarketing) (#675)
- recipient.transfer(amount) (#581)
- transferToAddressETH(buybackWalletAddress,bnbForBuyback) (#678)
- recipient.transfer(amount) (#581)
External calls sending eth:
- transferToAddressETH(marketingWalletAddress,bnbForMarketing) (#675)
- recipient.transfer(amount) (#581)
- transferToAddressETH(buybackWalletAddress,bnbForBuyback) (#678)
- recipient.transfer(amount) (#581)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
- _allowances[owner_][spender] = amount (#525)
Event emitted after the call(s):
- Approval(owner_,spender,amount) (#526)
- addLiquidity(tokensForLP,bnbForLiquidity) (#681)
Reentrancy in TheHarderTheyFall.transferFrom(address,address,uint256) (#610-614):
External calls:
- _transfer(sender,recipient,amount) (#611)
- recipient.transfer(amount) (#581)
External calls sending eth:
- _transfer(sender,recipient,amount) (#611)
- recipient.transfer(amount) (#581)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#709-716)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#612)
- _allowances[owner_][spender] = amount (#525)
Event emitted after the call(s):
- Approval(owner_,spender,amount) (#526)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#612)
Apply the check-effects-interactions pattern.

Additional information: link

TheHarderTheyFall.slitherConstructorVariables() (#393-732) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (#404)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

waiveOwnership() should be declared external:
- Ownable.waiveOwnership() (#159-162)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#164-168)
getUnlockTime() should be declared external:
- Ownable.getUnlockTime() (#170-172)
getTime() should be declared external:
- Ownable.getTime() (#174-176)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#178-183)
unlock() should be declared external:
- Ownable.unlock() (#185-190)
name() should be declared external:
- TheHarderTheyFall.name() (#478-480)
symbol() should be declared external:
- TheHarderTheyFall.symbol() (#482-484)
decimals() should be declared external:
- TheHarderTheyFall.decimals() (#486-488)
totalSupply() should be declared external:
- TheHarderTheyFall.totalSupply() (#490-492)
allowance(address,address) should be declared external:
- TheHarderTheyFall.allowance(address,address) (#498-500)
increaseAllowance(address,uint256) should be declared external:
- TheHarderTheyFall.increaseAllowance(address,uint256) (#502-505)
decreaseAllowance(address,uint256) should be declared external:
- TheHarderTheyFall.decreaseAllowance(address,uint256) (#507-510)
minimumTokensBeforeSwapAmount() should be declared external:
- TheHarderTheyFall.minimumTokensBeforeSwapAmount() (#512-514)
approve(address,uint256) should be declared external:
- TheHarderTheyFall.approve(address,uint256) (#516-519)
setMarketPairStatus(address,bool) should be declared external:
- TheHarderTheyFall.setMarketPairStatus(address,bool) (#529-531)
setIsExcludedFromFee(address,bool) should be declared external:
- TheHarderTheyFall.setIsExcludedFromFee(address,bool) (#537-539)
setSwapAndLiquifyEnabled(bool) should be declared external:
- TheHarderTheyFall.setSwapAndLiquifyEnabled(bool) (#567-570)
setSwapAndLiquifyByLimitOnly(bool) should be declared external:
- TheHarderTheyFall.setSwapAndLiquifyByLimitOnly(bool) (#572-574)
getCirculatingSupply() should be declared external:
- TheHarderTheyFall.getCirculatingSupply() (#576-578)
changeRouterVersion(address) should be declared external:
- TheHarderTheyFall.changeRouterVersion(address) (#584-600)
transfer(address,uint256) should be declared external:
- TheHarderTheyFall.transfer(address,uint256) (#605-608)
transferFrom(address,address,uint256) should be declared external:
- TheHarderTheyFall.transferFrom(address,address,uint256) (#610-614)
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.

Average 30d PancakeSwap volume is low.

Average PancakeSwap trading volume, liqudity, number of swaps are low. Token seems to be inactive.

Token is deployed only at one blockchain

Token has only one trading pair

Contract has 10% buy tax and 10% sell tax.
Taxes are low and contract ownership is renounced.

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 find audit link on the website

Unable to find whitepaper link on the website

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

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

Token has relatively low CoinMarketCap rank