TETSUYA [Tetsuya Inu] Token

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

TetsuyaInu.addLiquidity(uint256,uint256) (#570-583) sends eth to arbitrary user
Dangerous calls:
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in TetsuyaInu._transfer(address,address,uint256) (#466-513):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
- _rOwned[address(this)] += rLiquidity (#367)
- _rOwned[address(this)] += rDonation (#387)
- _rOwned[address(this)] += rMarketing (#377)
- _rOwned[sender] = _rOwned[sender] - s.rAmount (#528)
- _rOwned[recipient] = _rOwned[recipient] + s.rTransferAmount (#529)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
- _rTotal -= rRfi (#356)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
- _tOwned[sender] = _tOwned[sender] - tAmount (#522)
- _tOwned[address(this)] += tDonation (#385)
- _tOwned[address(this)] += tMarketing (#375)
- _tOwned[address(this)] += tLiquidity (#365)
- _tOwned[recipient] = _tOwned[recipient] + s.tTransferAmount (#525)
Apply the check-effects-interactions pattern.

Additional information: link

TetsuyaInu.rescueAnyBEP20Tokens(address,address,uint256) (#674-676) ignores return value by IERC20(_tokenAddr).transfer(_to,_amount) (#675)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

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.

Combination 2: Unchecked transfer + 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.

Combination 3: Reentrancy vulnerabilities + Unchecked transfer vulnerability. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

TetsuyaInu.swapAndLiquify(uint256,TetsuyaInu.Taxes) (#542-568) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#552)
-bnbToAddLiquidityWith = unitBalance * temp.liquidity (#553)
TetsuyaInu.swapAndLiquify(uint256,TetsuyaInu.Taxes) (#542-568) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#552)
-marketingAmt = unitBalance * 2 * temp.marketing (#560)
TetsuyaInu.swapAndLiquify(uint256,TetsuyaInu.Taxes) (#542-568) performs a multiplication on the result of a division:
-unitBalance = deltaBalance / (denominator - temp.liquidity) (#552)
-donationAmt = unitBalance * 2 * temp.donation (#564)
Consider ordering multiplication before division.

Additional information: link

TetsuyaInu.addLiquidity(uint256,uint256) (#570-583) ignores return value by router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
Ensure that all the return values of the function calls are used.

Additional information: link

TetsuyaInu.allowance(address,address).owner (#246) shadows:
- Ownable.owner() (#47-49) (function)
TetsuyaInu._approve(address,address,uint256).owner (#459) shadows:
- Ownable.owner() (#47-49) (function)
Rename the local variables that shadow another component.

Additional information: link

TetsuyaInu.updateCooldown(bool,uint256) (#625-628) should emit an event for:
- coolDownTime = time * 1 (#626)
TetsuyaInu.updateSwapTokensAtAmount(uint256) (#630-632) should emit an event for:
- swapTokensAtAmount = amount * 10 ** _decimals (#631)
TetsuyaInu.updateMaxTxLimit(uint256,uint256) (#653-656) should emit an event for:
- maxBuyLimit = maxBuy * 10 ** decimals() (#654)
- maxSellLimit = maxSell * 10 ** decimals() (#655)
TetsuyaInu.updateMaxWalletlimit(uint256) (#658-660) should emit an event for:
- maxWalletLimit = amount * 10 ** decimals() (#659)
Emit an event for critical parameter changes.

Additional information: link

TetsuyaInu.constructor(address)._pair (#202-203) lacks a zero-check on :
- pair = _pair (#206)
TetsuyaInu.updateMarketingWallet(address).newWallet (#616) lacks a zero-check on :
- marketingWallet = newWallet (#617)
TetsuyaInu.updateDonationWallet(address).newWallet (#620) lacks a zero-check on :
- donationWallet = newWallet (#621)
TetsuyaInu.updateRouterAndPair(address,address).newPair (#662) lacks a zero-check on :
- pair = newPair (#664)
Check that the address is not zero.

Additional information: link

Reentrancy in TetsuyaInu._transfer(address,address,uint256) (#466-513):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
- totFeesPaid.liquidity += tLiquidity (#361)
- totFeesPaid.marketing += tMarketing (#371)
- totFeesPaid.donation += tDonation (#381)
- totFeesPaid.rfi += tRfi (#357)
Reentrancy in TetsuyaInu.constructor(address) (#200-223):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (#202-203)
State variables written after the call(s):
- excludeFromReward(pair) (#208)
- _excluded.push(account) (#317)
- excludeFromReward(pair) (#208)
- _isExcluded[account] = true (#316)
- _isExcludedFromFee[address(this)] = true (#211)
- _isExcludedFromFee[owner()] = true (#212)
- _isExcludedFromFee[marketingWallet] = true (#213)
- _isExcludedFromFee[donationWallet] = true (#214)
- _rOwned[owner()] = _rTotal (#210)
- excludeFromReward(pair) (#208)
- _tOwned[account] = tokenFromReflection(_rOwned[account]) (#314)
- allowedTransfer[address(this)] = true (#216)
- allowedTransfer[owner()] = true (#217)
- allowedTransfer[pair] = true (#218)
- allowedTransfer[marketingWallet] = true (#219)
- allowedTransfer[donationWallet] = true (#220)
- pair = _pair (#206)
- router = _router (#205)
Reentrancy in TetsuyaInu.swapAndLiquify(uint256,TetsuyaInu.Taxes) (#542-568):
External calls:
- swapTokensForBNB(toSwap) (#549)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
State variables written after the call(s):
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
- _allowances[owner][spender] = amount (#462)
Reentrancy in TetsuyaInu.transferFrom(address,address,uint256) (#255-263):
External calls:
- _transfer(sender,recipient,amount) (#256)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
External calls sending eth:
- _transfer(sender,recipient,amount) (#256)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
State variables written after the call(s):
- _approve(sender,_msgSender(),currentAllowance - amount) (#260)
- _allowances[owner][spender] = amount (#462)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in TetsuyaInu._transfer(address,address,uint256) (#466-513):
External calls:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
External calls sending eth:
- swapAndLiquify(swapTokensAtAmount,sellTaxes) (#504)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- swapAndLiquify(swapTokensAtAmount,taxes) (#505)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
Event emitted after the call(s):
- Transfer(sender,address(this),s.tLiquidity + s.tMarketing + s.tDonation) (#534)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
- Transfer(sender,recipient,s.tTransferAmount) (#538)
- _tokenTransfer(from,to,amount,takeFee,isSell) (#512)
Reentrancy in TetsuyaInu.constructor(address) (#200-223):
External calls:
- _pair = IFactory(_router.factory()).createPair(address(this),_router.WETH()) (#202-203)
Event emitted after the call(s):
- Transfer(address(0),owner(),_tTotal) (#222)
Reentrancy in TetsuyaInu.swapAndLiquify(uint256,TetsuyaInu.Taxes) (#542-568):
External calls:
- swapTokensForBNB(toSwap) (#549)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
External calls sending eth:
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#463)
- addLiquidity(tokensToAddLiquidityWith,bnbToAddLiquidityWith) (#557)
Reentrancy in TetsuyaInu.transferFrom(address,address,uint256) (#255-263):
External calls:
- _transfer(sender,recipient,amount) (#256)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#594-600)
- address(marketingWallet).sendValue(marketingAmt) (#562)
- address(donationWallet).sendValue(donationAmt) (#566)
External calls sending eth:
- _transfer(sender,recipient,amount) (#256)
- router.addLiquidityETH{value: bnbAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#575-582)
- (success) = recipient.call{value: amount}() (#100)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#463)
- _approve(sender,_msgSender(),currentAllowance - amount) (#260)
Apply the check-effects-interactions pattern.

Additional information: link

TetsuyaInu._transfer(address,address,uint256) (#466-513) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(timePassed >= coolDownTime,Cooldown enabled) (#493)
Avoid relying on block.timestamp.

Additional information: link

TetsuyaInu.setTradingStatus(bool) (#299-303) compares to a boolean constant:
-state == true && genesis_block == 0 (#302)
Remove the equality to the boolean constant.

Additional information: link

TetsuyaInu.includeInReward(address) (#320-331) has costly operations inside a loop:
- _excluded.pop() (#327)
TetsuyaInu._reflectRfi(uint256,uint256) (#355-358) has costly operations inside a loop:
- _rTotal -= rRfi (#356)
Use a local variable to hold the loop computation result.

Additional information: link

Context._msgData() (#32-35) is never used and should be removed
Remove unused functions.

Additional information: link

TetsuyaInu._tTotal (#142) is set pre-construction with a non-constant function or state variable:
- initialsupply * 10 ** _decimals
TetsuyaInu._rTotal (#143) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Low level call in Address.sendValue(address,uint256) (#97-102):
- (success) = recipient.call{value: amount}() (#100)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IRouter.WETH() (#78) is not in mixedCase
Struct TetsuyaInu.valuesFromGetValues (#177-189) is not in CapWords
Parameter TetsuyaInu.setTaxes(uint256,uint256,uint256,uint256)._rfi (#345) is not in mixedCase
Parameter TetsuyaInu.setTaxes(uint256,uint256,uint256,uint256)._marketing (#345) is not in mixedCase
Parameter TetsuyaInu.setTaxes(uint256,uint256,uint256,uint256)._liquidity (#345) is not in mixedCase
Parameter TetsuyaInu.setTaxes(uint256,uint256,uint256,uint256)._donation (#345) is not in mixedCase
Parameter TetsuyaInu.setSellTaxes(uint256,uint256,uint256,uint256)._rfi (#350) is not in mixedCase
Parameter TetsuyaInu.setSellTaxes(uint256,uint256,uint256,uint256)._marketing (#350) is not in mixedCase
Parameter TetsuyaInu.setSellTaxes(uint256,uint256,uint256,uint256)._liquidity (#350) is not in mixedCase
Parameter TetsuyaInu.setSellTaxes(uint256,uint256,uint256,uint256)._donation (#350) is not in mixedCase
Parameter TetsuyaInu.updateSwapEnabled(bool)._enabled (#634) is not in mixedCase
Parameter TetsuyaInu.rescueAnyBEP20Tokens(address,address,uint256)._tokenAddr (#674) is not in mixedCase
Parameter TetsuyaInu.rescueAnyBEP20Tokens(address,address,uint256)._to (#674) is not in mixedCase
Parameter TetsuyaInu.rescueAnyBEP20Tokens(address,address,uint256)._amount (#674) is not in mixedCase
Constant TetsuyaInu._decimals (#138) is not in UPPER_CASE_WITH_UNDERSCORES
Variable TetsuyaInu.genesis_block (#150) is not in mixedCase
Constant TetsuyaInu._name (#155) is not in UPPER_CASE_WITH_UNDERSCORES
Constant TetsuyaInu._symbol (#156) is not in UPPER_CASE_WITH_UNDERSCORES
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#33)" inContext (#27-36)
Remove redundant statements if they congest code but offer no value.

Additional information: link

TetsuyaInu.initialsupply (#141) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#56-58)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#60-63)
name() should be declared external:
- TetsuyaInu.name() (#226-228)
symbol() should be declared external:
- TetsuyaInu.symbol() (#229-231)
totalSupply() should be declared external:
- TetsuyaInu.totalSupply() (#237-239)
allowance(address,address) should be declared external:
- TetsuyaInu.allowance(address,address) (#246-248)
approve(address,uint256) should be declared external:
- TetsuyaInu.approve(address,uint256) (#250-253)
transferFrom(address,address,uint256) should be declared external:
- TetsuyaInu.transferFrom(address,address,uint256) (#255-263)
increaseAllowance(address,uint256) should be declared external:
- TetsuyaInu.increaseAllowance(address,uint256) (#265-268)
decreaseAllowance(address,uint256) should be declared external:
- TetsuyaInu.decreaseAllowance(address,uint256) (#270-276)
transfer(address,uint256) should be declared external:
- TetsuyaInu.transfer(address,uint256) (#278-282)
isExcludedFromReward(address) should be declared external:
- TetsuyaInu.isExcludedFromReward(address) (#284-286)
reflectionFromToken(uint256,bool) should be declared external:
- TetsuyaInu.reflectionFromToken(uint256,bool) (#288-297)
excludeFromFee(address) should be declared external:
- TetsuyaInu.excludeFromFee(address) (#333-335)
includeInFee(address) should be declared external:
- TetsuyaInu.includeInFee(address) (#337-339)
isExcludedFromFee(address) should be declared external:
- TetsuyaInu.isExcludedFromFee(address) (#341-343)
setTaxes(uint256,uint256,uint256,uint256) should be declared external:
- TetsuyaInu.setTaxes(uint256,uint256,uint256,uint256) (#345-348)
setSellTaxes(uint256,uint256,uint256,uint256) should be declared external:
- TetsuyaInu.setSellTaxes(uint256,uint256,uint256,uint256) (#350-353)
rescueAnyBEP20Tokens(address,address,uint256) should be declared external:
- TetsuyaInu.rescueAnyBEP20Tokens(address,address,uint256) (#674-676)
Use the external attribute for functions never called from the contract.

Additional information: link

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

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

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute volume.

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

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

Additional information: link

Unable to find token on CoinGecko

Additional information: link

Unable to find token on CoinMarketCap

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 Twitter 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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank