Larvainu is a worm-themed meme coin that calls itself not a meme coin but “a new trend”. This is a cryptocurrency born of a new trend "spin to earn".
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in LAV._transfer(address,address,uint256) (#817-853):
External calls:
- swapAndSendToFee(sellTokens) (#839)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
External calls sending eth:
- swapAndSendToFee(sellTokens) (#839)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
State variables written after the call(s):
- _tOwned[from] -= amount (#843)
- transferAmount = _getValues(amount,from) (#848)
- _tOwned[address(this)] += taxBuyFee + liquidityFee (#800)
- _tOwned[to] += transferAmount (#851)
- swapping = false (#840)
Apply the check-effects-interactions pattern.
Additional information: link
Contract ownership is not renounced (belongs to a wallet)
Low level call in Address.sendValue(address,uint256) (#282-288):
- (success) = recipient.call{value: amount}() (#286)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#348-369):
- (success,returndata) = target.call{value: weiValue}(data) (#352)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
LAV.update_buyCooldown(uint256) (#864-866) should emit an event for:
- _buyCooldown = newWaitingTime (#865)
LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256) (#868-876) should emit an event for:
- _taxBuy = taxBuy (#870)
- _taxSell = taxSell (#871)
- _slotMarketing = taxSell_marketing (#872)
- _slotDev = taxSell_dev (#873)
- _slotFund = taxSell_fund (#874)
- _liquidityFee = liquidityFee (#875)
Emit an event for critical parameter changes.
Additional information: link
Reentrancy in LAV.constructor() (#659-677):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#666)
State variables written after the call(s):
- _isExcludedFromFee[owner()] = true (#672)
- _isExcludedFromFee[address(this)] = true (#673)
- _isExcludedFromFee[_marketingWallet] = true (#674)
- uniswapV2Pair = _uniswapV2Pair (#669)
- uniswapV2Router = _uniswapV2Router (#668)
Reentrancy in LAV.swapAndLiquify() (#737-749):
External calls:
- newBalance = swapTokensForEth(half) (#742)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
- addLiquidity(otherHalf,newBalance) (#746)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#775-782)
- (success) = recipient.call{value: amount}() (#286)
- address(_marketingWallet).sendValue(ethAmount - ethFromLiquidity) (#785)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#746)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#775-782)
- (success) = recipient.call{value: amount}() (#286)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#746)
- _allowances[owner][spender] = amount (#813)
Reentrancy in LAV.transferFrom(address,address,uint256) (#713-717):
External calls:
- _transfer(sender,recipient,amount) (#714)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
External calls sending eth:
- _transfer(sender,recipient,amount) (#714)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#715)
- _allowances[owner][spender] = amount (#813)
Apply the check-effects-interactions pattern.
Additional information: link
Redundant expression "this (#231)" inContext (#225-234)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#455) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#456) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#473) is not in mixedCase
Function IUniswapV2Router01.WETH() (#493) is not in mixedCase
Function LAV.update_buyCooldown(uint256) (#864-866) is not in mixedCase
Function LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256) (#868-876) is not in mixedCase
Parameter LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256).taxSell_marketing (#868) is not in mixedCase
Parameter LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256).taxSell_dev (#868) is not in mixedCase
Parameter LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256).taxSell_fund (#868) is not in mixedCase
Constant LAV._name (#628) is not in UPPER_CASE_WITH_UNDERSCORES
Constant LAV._symbol (#629) is not in UPPER_CASE_WITH_UNDERSCORES
Constant LAV._decimals (#630) is not in UPPER_CASE_WITH_UNDERSCORES
Variable LAV._maxTxAmount (#633) is not in mixedCase
Variable LAV._buyCooldown (#654) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
LAV.allowance(address,address).owner (#704) shadows:
- Ownable.owner() (#389-391) (function)
LAV._approve(address,address,uint256).owner (#809) shadows:
- Ownable.owner() (#389-391) (function)
Rename the local variables that shadow another component.
Additional information: link
Reentrancy in LAV._transfer(address,address,uint256) (#817-853):
External calls:
- swapAndSendToFee(sellTokens) (#839)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
State variables written after the call(s):
- _tOwned[from] -= amount (#843)
- transferAmount = _getValues(amount,from) (#848)
- _tOwned[address(this)] += taxBuyFee + liquidityFee (#800)
- _tOwned[to] += transferAmount (#851)
- swapping = false (#840)
Event emitted after the call(s):
- Transfer(from,address(this),taxBuyFee + liquidityFee) (#801)
- transferAmount = _getValues(amount,from) (#848)
- Transfer(from,to,transferAmount) (#852)
Reentrancy in LAV.transferFrom(address,address,uint256) (#713-717):
External calls:
- _transfer(sender,recipient,amount) (#714)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#715)
- _allowances[owner][spender] = amount (#813)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#814)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#715)
Apply the check-effects-interactions pattern.
Additional information: link
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#498) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#499)
Prevent variables from having similar names.
Additional information: link
LAV.slitherConstructorVariables() (#626-886) uses literals with too many digits:
- _tTotal = 1000000000 * 10 ** _decimals (#632)
LAV.slitherConstructorVariables() (#626-886) uses literals with too many digits:
- _maxTxAmount = 1000000000 * 10 ** _decimals (#633)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
LAV._maxTxAmount (#633) should be constant
LAV._tTotal (#632) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
Reentrancy in LAV._transfer(address,address,uint256) (#817-853):
External calls:
- swapAndSendToFee(sellTokens) (#839)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
External calls sending eth:
- swapAndSendToFee(sellTokens) (#839)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
Event emitted after the call(s):
- Transfer(from,address(this),taxBuyFee + liquidityFee) (#801)
- transferAmount = _getValues(amount,from) (#848)
- Transfer(from,to,transferAmount) (#852)
Reentrancy in LAV.constructor() (#659-677):
External calls:
- _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (#666)
Event emitted after the call(s):
- Transfer(address(0),_msgSender(),_tTotal) (#676)
Reentrancy in LAV.swapAndLiquify() (#737-749):
External calls:
- newBalance = swapTokensForEth(half) (#742)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
- addLiquidity(otherHalf,newBalance) (#746)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#775-782)
- (success) = recipient.call{value: amount}() (#286)
- address(_marketingWallet).sendValue(ethAmount - ethFromLiquidity) (#785)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#746)
- (ethFromLiquidity) = uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#775-782)
- (success) = recipient.call{value: amount}() (#286)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#814)
- addLiquidity(otherHalf,newBalance) (#746)
- SwapAndLiquify(half,newBalance,otherHalf) (#747)
Reentrancy in LAV.transferFrom(address,address,uint256) (#713-717):
External calls:
- _transfer(sender,recipient,amount) (#714)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#760-766)
External calls sending eth:
- _transfer(sender,recipient,amount) (#714)
- address(_marketingWallet).transfer(ethToSend * _slotMarketing / 100) (#858)
- address(_devWallet).transfer(ethToSend * _slotDev / 100) (#859)
- address(_fundWallet).transfer(ethToSend * _slotFund / 100) (#860)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#814)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()] - amount) (#715)
Apply the check-effects-interactions pattern.
Additional information: link
LAV.addLiquidity(uint256,uint256) (#770-786) uses timestamp for comparisons
Dangerous comparisons:
- ethAmount - ethFromLiquidity > 0 (#784)
LAV._transfer(address,address,uint256) (#817-853) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(_lastBuy[to] + _buyCooldown < block.timestamp,Must wait til after coooldown to buy) (#831)
Avoid relying on block.timestamp.
Additional information: link
Address.isContract(address) (#255-264) uses assembly
- INLINE ASM (#262)
Address._functionCallWithValue(address,bytes,uint256,string) (#348-369) uses assembly
- INLINE ASM (#361-364)
Do not use evm assembly.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#348-369) is never used and should be removed
Address.functionCall(address,bytes) (#308-310) is never used and should be removed
Address.functionCall(address,bytes,string) (#318-320) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#333-335) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#343-346) is never used and should be removed
Address.isContract(address) (#255-264) is never used and should be removed
Address.sendValue(address,uint256) (#282-288) is never used and should be removed
Context._msgData() (#230-233) is never used and should be removed
LAV.addLiquidity(uint256,uint256) (#770-786) is never used and should be removed
LAV.swapAndLiquify() (#737-749) is never used and should be removed
SafeMath.add(uint256,uint256) (#93-98) is never used and should be removed
SafeMath.div(uint256,uint256) (#167-169) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#183-189) is never used and should be removed
SafeMath.mod(uint256,uint256) (#203-205) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#219-222) is never used and should be removed
SafeMath.mul(uint256,uint256) (#141-153) is never used and should be removed
SafeMath.sub(uint256,uint256) (#110-112) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#124-129) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version^0.8.14 (#11) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.15 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
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#408-411)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#417-421)
name() should be declared external:
- LAV.name() (#679-681)
symbol() should be declared external:
- LAV.symbol() (#683-685)
decimals() should be declared external:
- LAV.decimals() (#687-689)
totalSupply() should be declared external:
- LAV.totalSupply() (#691-693)
transfer(address,uint256) should be declared external:
- LAV.transfer(address,uint256) (#699-702)
allowance(address,address) should be declared external:
- LAV.allowance(address,address) (#704-706)
approve(address,uint256) should be declared external:
- LAV.approve(address,uint256) (#708-711)
transferFrom(address,address,uint256) should be declared external:
- LAV.transferFrom(address,address,uint256) (#713-717)
increaseAllowance(address,uint256) should be declared external:
- LAV.increaseAllowance(address,uint256) (#719-722)
decreaseAllowance(address,uint256) should be declared external:
- LAV.decreaseAllowance(address,uint256) (#724-727)
excludeFromFee(address) should be declared external:
- LAV.excludeFromFee(address) (#729-731)
includeInFee(address) should be declared external:
- LAV.includeInFee(address) (#733-735)
isExcludedFromFee(address) should be declared external:
- LAV.isExcludedFromFee(address) (#805-807)
update_buyCooldown(uint256) should be declared external:
- LAV.update_buyCooldown(uint256) (#864-866)
update_Tax(uint256,uint256,uint256,uint256,uint256,uint256) should be declared external:
- LAV.update_Tax(uint256,uint256,uint256,uint256,uint256,uint256) (#868-876)
updateReceiverWallet(address,address,address) should be declared external:
- LAV.updateReceiverWallet(address,address,address) (#878-883)
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 30d PancakeSwap volume is less than $100. Token is either dead or inactive.
Contract has 8% buy tax and 8% sell tax.
Taxes are low but contract ownership is not renounced. Token has a high risk of becoming a honeypot.
Average 30d PancakeSwap liquidity is low.
Token is deployed only at one blockchain
Token has only one trading pair
Average 30d number of PancakeSwap swaps is low.
Average PancakeSwap trading volume, liqudity, number of swaps are low. Token seems to be inactive.
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 contract audit
Unable to find KYC or doxxing proof
Unable to find audit link on the website
Token is not listed at Mobula.Finance
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
Last post in Twitter was more than 30 days ago
Unable to find Blog account (Reddit or Medium)
Unable to find Youtube account
Unable to find Discord account
Twitter account has few posts