Long Tai Tou Token Logo

LTT [Long Tai Tou] Token

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Laser Scorebeta Last Audit: 14 February 2022

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

LongTaiTou._distributeEth(uint256) (#393-405) sends eth to arbitrary user
Dangerous calls:
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountDesire,0,path,to,block.timestamp) (#410)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
State variables written after the call(s):
- super._move(from,address(this),feeAmount) (#292)
- _balances[sender] = senderBalance - amount (#132)
- _balances[recipient] += amount (#133)
Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountDesire,0,path,to,block.timestamp) (#410)
- distributeDogeToken() (#293)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#337-343)
- token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
- token.transfer(devDogeAddress,token.balanceOf(address(this))) (#324)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
State variables written after the call(s):
- super._transfer(from,to,amount - feeAmount) (#297)
- _balances[sender] = senderBalance - amount (#132)
- _balances[recipient] += amount (#133)
- distributeDogeToken() (#293)
- dogePoolTotal = 0 (#307)
- handDogeFees(amount) (#294)
- dogePoolTotal += feePoolAmount (#375)
- super._transfer(from,to,amount - feeAmount) (#297)
- dogePrizeList.push(user) (#358)
- dogePrizeList[i] = dogePrizeList[dogePrizeList.length - 1] (#365)
- dogePrizeList.pop() (#366)
Apply the check-effects-interactions pattern.

Additional information: link

system.rescueLossToken(IERC20,address) (#180) ignores return value by token_.transfer(_recipient,token_.balanceOf(address(this))) (#180)
system.rescueLossTokenWithAmount(IERC20,address,uint256) (#182) ignores return value by token_.transfer(_recipient,amount) (#182)
LongTaiTou.aliasDoge() (#312-325) ignores return value by token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
LongTaiTou.aliasDoge() (#312-325) ignores return value by token.transfer(devDogeAddress,token.balanceOf(address(this))) (#324)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

LongTaiTou.limitTimeBefore (#222) is never initialized. It is used in:
- LongTaiTou._transfer(address,address,uint256) (#272-298)
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

LongTaiTou.aliasDoge() (#312-325) uses a dangerous strict equality:
- dogeAmount == 0 (#315)
Don't use strict equality to determine if an account has enough Ether or tokens.

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.


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.


Not a direct threat, but may indicate unreliable intentions of developer. Both name and ticker of current token are widespread, i.e. common across multiple tokens. This is slightly suspicious

LongTaiTou.aliasDoge() (#312-325) performs a multiplication on the result of a division:
-prize = 750 * dogeAmount / divBase (#316)
-dogePrizePerUser = prize * balanceOf(dogePrizeList[i]) / amount (#320)
LongTaiTou.handSwap() (#377-392) performs a multiplication on the result of a division:
-amountDesire = amountDesireTotal * 800 / divBase (#383)
-WETHAmount * amountDesire / TOKENAmount >= swapThreshold (#385)
Consider ordering multiplication before division.

Additional information: link

LongTaiTou._transfer(address,address,uint256).feeAmount (#273) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

LongTaiTou._distributeEth(uint256) (#393-405) ignores return value by uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
Ensure that all the return values of the function calls are used.

Additional information: link

system.rescueLossChain(address)._recipient (#181) lacks a zero-check on :
- _recipient.transfer(address(this).balance) (#181)
system.rescueLossChainWithAmount(address,uint256)._recipient (#183) lacks a zero-check on :
- _recipient.transfer(amount) (#183)
LongTaiTou.constructor(address,address,address[])._router (#227) lacks a zero-check on :
- router_ = _router (#228)
LongTaiTou.constructor(address,address,address[])._reward (#227) lacks a zero-check on :
- DogeContract = _reward (#229)
Check that the address is not zero.

Additional information: link

Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountDesire,0,path,to,block.timestamp) (#410)
- distributeDogeToken() (#293)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#337-343)
- token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
- token.transfer(devDogeAddress,token.balanceOf(address(this))) (#324)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
State variables written after the call(s):
- super._transfer(from,to,amount - feeAmount) (#297)
- isInDogePrizeList[user] = true (#357)
- isInDogePrizeList[user] = false (#362)
Reentrancy in LongTaiTou.constructor(address,address,address[]) (#227-238):
External calls:
- initIRouter() (#233)
- uniswapPair = IFactory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#269)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (#236)
- _allowances[owner][spender] = amount (#155)
- _approve(owner(),address(uniswapV2Router),~ uint256(0)) (#237)
- _allowances[owner][spender] = amount (#155)
- super._mint(owner(),100000000000000000000000000) (#235)
- _balances[account] += amount (#140)
- super._mint(owner(),100000000000000000000000000) (#235)
- _totalSupply += amount (#139)
- initAddrs(addrs) (#234)
- devDogeAddress = addrs[0] (#261)
- initAddrs(addrs) (#234)
- devEthAddress = addrs[1] (#262)
- initAddrs(addrs) (#234)
- excludeFeeMembers = addrs (#260)
- initAddrs(addrs) (#234)
- isExcludeFee[addr[i]] = b (#255)
- initAddrs(addrs) (#234)
- liquidityAddress = owner() (#265)
- initAddrs(addrs) (#234)
- marketAddress = owner() (#263)
- initAddrs(addrs) (#234)
- returnAddress = owner() (#264)
Reentrancy in LongTaiTou.initIRouter() (#267-271):
External calls:
- uniswapPair = IFactory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#269)
State variables written after the call(s):
- isExcludeFee[uniswapPair] = true (#270)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountDesire,0,path,to,block.timestamp) (#410)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#134)
- super._move(from,address(this),feeAmount) (#292)
Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(amountDesire,0,path,to,block.timestamp) (#410)
- distributeDogeToken() (#293)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#337-343)
- token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
- token.transfer(devDogeAddress,token.balanceOf(address(this))) (#324)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
Event emitted after the call(s):
- DistributeDogeToken(dogePrizeList[i],dogePrizePerUser) (#322)
- distributeDogeToken() (#293)
- Transfer(sender,recipient,amount) (#134)
- super._transfer(from,to,amount - feeAmount) (#297)
Reentrancy in LongTaiTou.aliasDoge() (#312-325):
External calls:
- token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
Event emitted after the call(s):
- DistributeDogeToken(dogePrizeList[i],dogePrizePerUser) (#322)
Reentrancy in LongTaiTou.constructor(address,address,address[]) (#227-238):
External calls:
- initIRouter() (#233)
- uniswapPair = IFactory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH()) (#269)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#156)
- _approve(owner(),address(uniswapV2Router),~ uint256(0)) (#237)
- Approval(owner,spender,amount) (#156)
- _approve(address(this),address(uniswapV2Router),~ uint256(0)) (#236)
- Transfer(address(0),account,amount) (#141)
- super._mint(owner(),100000000000000000000000000) (#235)
Reentrancy in LongTaiTou.distributeDogeToken() (#299-311):
External calls:
- swapTokensForDoge(amountDesire) (#308)
- uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#337-343)
- aliasDoge() (#309)
- token.transfer(dogePrizeList[i],dogePrizePerUser) (#321)
- token.transfer(devDogeAddress,token.balanceOf(address(this))) (#324)
Event emitted after the call(s):
- DistributeDogeToken(dogePrizeList[i],dogePrizePerUser) (#322)
- aliasDoge() (#309)
Apply the check-effects-interactions pattern.

Additional information: link

LongTaiTou._transfer(address,address,uint256) (#272-298) uses timestamp for comparisons
Dangerous comparisons:
- block.timestamp < limitTimeBefore (#277)
- block.timestamp < limitTimeBefore (#288)
Avoid relying on block.timestamp.

Additional information: link

Context._msgData() (#38-41) is never used and should be removed
ERC20._afterTokenTransfer(address,address,uint256) (#159) is never used and should be removed
ERC20._burn(address,uint256) (#143-151) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version^0.8.0 (#2) allows old versions
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

Function IRouter.WETH() (#5) is not in mixedCase
Contract system (#177-184) is not in CapWords
Parameter system.rescueLossToken(IERC20,address)._recipient (#180) is not in mixedCase
Parameter system.rescueLossChain(address)._recipient (#181) is not in mixedCase
Parameter system.rescueLossTokenWithAmount(IERC20,address,uint256)._recipient (#182) is not in mixedCase
Parameter system.rescueLossChainWithAmount(address,uint256)._recipient (#183) is not in mixedCase
Variable LongTaiTou.DogeContract (#212) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#39)" inContext (#34-42)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Reentrancy in LongTaiTou._transfer(address,address,uint256) (#272-298):
External calls:
- swapped = handSwap() (#290)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
External calls sending eth:
- swapped = handSwap() (#290)
- uniswapV2Router.addLiquidityETH{value: ethLiquidityAmount}(address(this),tokenLiquidityAmount,0,0,returnAddress,block.timestamp) (#395-402)
- address(marketAddress).transfer(address(this).balance / 3) (#403)
- address(devEthAddress).transfer(address(this).balance) (#404)
- address(devEthAddress).transfer(address(this).balance) (#386)
State variables written after the call(s):
- super._move(from,address(this),feeAmount) (#292)
- _balances[sender] = senderBalance - amount (#132)
- _balances[recipient] += amount (#133)
- super._transfer(from,to,amount - feeAmount) (#297)
- _balances[sender] = senderBalance - amount (#132)
- _balances[recipient] += amount (#133)
- distributeDogeToken() (#293)
- dogePoolTotal = 0 (#307)
- handDogeFees(amount) (#294)
- dogePoolTotal += feePoolAmount (#375)
- super._transfer(from,to,amount - feeAmount) (#297)
- dogePrizeList.push(user) (#358)
- dogePrizeList[i] = dogePrizeList[dogePrizeList.length - 1] (#365)
- dogePrizeList.pop() (#366)
- super._transfer(from,to,amount - feeAmount) (#297)
- isInDogePrizeList[user] = true (#357)
- isInDogePrizeList[user] = false (#362)
Event emitted after the call(s):
- DistributeDogeToken(dogePrizeList[i],dogePrizePerUser) (#322)
- distributeDogeToken() (#293)
- Transfer(sender,recipient,amount) (#134)
- super._move(from,address(this),feeAmount) (#292)
- Transfer(sender,recipient,amount) (#134)
- super._transfer(from,to,amount - feeAmount) (#297)
Reentrancy in LongTaiTou.handSwap() (#377-392):
External calls:
- address(devEthAddress).transfer(address(this).balance) (#386)
State variables written after the call(s):
- _handSwap(amountDesire,address(this)) (#387)
- _status = _ENTERED (#171)
- _status = _NOT_ENTERED (#173)
Apply the check-effects-interactions pattern.

Additional information: link

LongTaiTou.slitherConstructorVariables() (#200-427) uses literals with too many digits:
- dogePrizeThreshold = 100000000000000000000000 (#216)
LongTaiTou.slitherConstructorVariables() (#200-427) uses literals with too many digits:
- limitBuyAmount = 200000000000000000000000000000 (#223)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

LongTaiTou.limitSeconds (#224) is never used in LongTaiTou (#200-427)
LongTaiTou.burnRate (#225) is never used in LongTaiTou (#200-427)
Remove unused state variables.

Additional information: link

LongTaiTou.burnRate (#225) should be constant
LongTaiTou.divBase (#220) should be constant
LongTaiTou.dogePrizeThreshold (#216) should be constant
LongTaiTou.dogeSwapThreshold (#215) should be constant
LongTaiTou.limitBuyAmount (#223) should be constant
LongTaiTou.limitSeconds (#224) should be constant
LongTaiTou.limitTimeBefore (#222) should be constant
LongTaiTou.swapThreshold (#219) 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) (#59-62)
name() should be declared external:
- ERC20.name() (#79-81)
symbol() should be declared external:
- ERC20.symbol() (#82-84)
decimals() should be declared external:
- ERC20.decimals() (#85-87)
totalSupply() should be declared external:
- ERC20.totalSupply() (#88-90)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#94-97)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#98-100)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#101-104)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#105-111)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#112-115)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#116-121)
markBot(address,bool) should be declared external:
- BotKiller.markBot(address,bool) (#192)
markBots(address[],bool) should be declared external:
- BotKiller.markBots(address[],bool) (#193-197)
isBot(address) should be declared external:
- BotKiller.isBot(address) (#198)
swapStart(bool) should be declared external:
- LongTaiTou.swapStart(bool) (#239-241)
closeBotCheck() should be declared external:
- LongTaiTou.closeBotCheck() (#242-244)
closeBotCheckAndPause() should be declared external:
- LongTaiTou.closeBotCheckAndPause() (#245-248)
getDogePrizeListLength() should be declared external:
- LongTaiTou.getDogePrizeListLength() (#345-347)
airdrop(uint256,address[]) should be declared external:
- LongTaiTou.airdrop(uint256,address[]) (#421-425)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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.


Unable to find Twitter account


Telegram account has relatively few subscribers


Unable to find Blog account (Reddit or Medium)


Unable to find Youtube account


Unable to find Discord account

Search:


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

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Price for LTT