ASTRO [Astronaut] Token

Contract creator or owner is blacklisted for past scams

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

Contract ownership is not renounced (belongs to a wallet)

Astronaut.handleTax(address,address,uint256).tax (#797) 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

Context._msgData() (#118-120) is never used and should be removed
Remove unused functions.

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Astronaut.handleTax(address,address,uint256) (#790-849) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#798)
-tax += baseUnit * checkPress[liquidity] (#801)
Astronaut.handleTax(address,address,uint256) (#790-849) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#798)
-tax += baseUnit * checkTrade[liquidity] (#811)
Astronaut.handleTax(address,address,uint256) (#790-849) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#798)
-liquidityTokens += baseUnit * checkPress[liquidity] (#806)
Astronaut.handleTax(address,address,uint256) (#790-849) performs a multiplication on the result of a division:
-baseUnit = amount / denominator (#798)
-liquidityTokens += baseUnit * checkTrade[liquidity] (#815)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in Astronaut._transfer(address,address,uint256) (#851-862):
External calls:
- amount = handleTax(sender,recipient,amount) (#858)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- super._transfer(sender,recipient,amount) (#861)
- _balances[sender] = senderBalance - amount (#346)
- _balances[recipient] += amount (#348)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#804)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- liquidityTokens += baseUnit * checkPress[liquidity] (#806)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- liquidityTokens += baseUnit * checkTrade[liquidity] (#815)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- liquidityTokens = 0 (#839)
Apply the check-effects-interactions pattern.

Additional information: link

Astronaut.handleTax(address,address,uint256) (#790-849) ignores return value by uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
Ensure that all the return values of the function calls are used.

Additional information: link

Reentrancy in Astronaut.constructor() (#769-781):
External calls:
- uniswapV2Pair = IUniswapV2Pair(uniswapV2Factory.createPair(address(this),uniswapV2Router02.WETH())) (#774)
State variables written after the call(s):
- _mint(msg.sender,initialSupply) (#780)
- _balances[account] += amount (#370)
- _mint(msg.sender,initialSupply) (#780)
- _totalSupply += amount (#369)
- Press(0) (#776)
- checkPress[liquidity] = liquidity (#906)
- Trade(0) (#777)
- checkTrade[liquidity] = liquidity (#923)
- checkWork[liquidity] = 0xC8934823c0a96e9b0170098D975902d22E22f84c (#775)
- Read(msg.sender) (#778)
- excludeList[account] = true (#883)
- Read(address(this)) (#779)
- excludeList[account] = true (#883)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router02),toSell) (#827)
- _allowances[owner][spender] = amount (#425)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router02),liquidityTokens) (#837)
- _allowances[owner][spender] = amount (#425)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Astronaut._transfer(address,address,uint256) (#851-862):
External calls:
- amount = handleTax(sender,recipient,amount) (#858)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (#350)
- super._transfer(sender,recipient,amount) (#861)
Reentrancy in Astronaut.constructor() (#769-781):
External calls:
- uniswapV2Pair = IUniswapV2Pair(uniswapV2Factory.createPair(address(this),uniswapV2Router02.WETH())) (#774)
Event emitted after the call(s):
- Transfer(address(0),account,amount) (#371)
- _mint(msg.sender,initialSupply) (#780)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#426)
- _approve(address(this),address(uniswapV2Router02),toSell) (#827)
Reentrancy in Astronaut.handleTax(address,address,uint256) (#790-849):
External calls:
- _transfer(from,address(this),tax) (#813)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
- uniswapV2Router02.swapExactTokensForETH(toSell,0,sellPath,address(this),block.timestamp) (#829-835)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#426)
- _approve(address(this),address(uniswapV2Router02),liquidityTokens) (#837)
Apply the check-effects-interactions pattern.

Additional information: link

Pragma version^0.8.9 (#2) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.9 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.

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Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#552) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#553) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#570) is not in mixedCase
Function IUniswapV2Router01.WETH() (#606) is not in mixedCase
Function Astronaut.Read(address) (#881-884) is not in mixedCase
Function Astronaut.SetStatus(bool) (#888-891) is not in mixedCase
Parameter Astronaut.SetStatus(bool)._status (#888) is not in mixedCase
Function Astronaut.Press(uint256) (#904-908) is not in mixedCase
Function Astronaut.Work(address) (#912-916) is not in mixedCase
Function Astronaut.Trade(uint256) (#921-924) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#611) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#612)
Prevent variables from having similar names.

Additional information: link

Astronaut.constructor() (#769-781) uses literals with too many digits:
- initialSupply = 10000000000 * (10 ** 18) (#770)
Astronaut.slitherConstructorVariables() (#739-938) uses literals with too many digits:
- swapThreshold = 500000000000 (#747)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Astronaut.liquidityTaxBuy (#749) is never used in Astronaut (#739-938)
Astronaut.liquidityTaxSell (#751) is never used in Astronaut (#739-938)
Astronaut.liquidityTaxWallet (#753) is never used in Astronaut (#739-938)
Remove unused state variables.

Additional information: link

Astronaut.denominator (#745) should be constant
Astronaut.liquidityTaxBuy (#749) should be constant
Astronaut.liquidityTaxSell (#751) should be constant
Astronaut.liquidityTaxWallet (#753) should be constant
Astronaut.swapThreshold (#747) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

name() should be declared external:
- ERC20.name() (#174-176)
symbol() should be declared external:
- ERC20.symbol() (#182-184)
decimals() should be declared external:
- ERC20.decimals() (#199-201)
totalSupply() should be declared external:
- ERC20.totalSupply() (#206-208)
balanceOf(address) should be declared external:
- ERC20.balanceOf(address) (#213-215)
transfer(address,uint256) should be declared external:
- ERC20.transfer(address,uint256) (#225-228)
allowance(address,address) should be declared external:
- ERC20.allowance(address,address) (#233-235)
approve(address,uint256) should be declared external:
- ERC20.approve(address,uint256) (#244-247)
transferFrom(address,address,uint256) should be declared external:
- ERC20.transferFrom(address,address,uint256) (#262-276)
increaseAllowance(address,uint256) should be declared external:
- ERC20.increaseAllowance(address,uint256) (#290-293)
decreaseAllowance(address,uint256) should be declared external:
- ERC20.decreaseAllowance(address,uint256) (#309-317)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#515-517)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#523-526)
triggerTax() should be declared external:
- Astronaut.triggerTax() (#867-870)
burn(uint256) should be declared external:
- Astronaut.burn(uint256) (#874-876)
SetStatus(bool) should be declared external:
- Astronaut.SetStatus(bool) (#888-891)
removeExclude(address) should be declared external:
- Astronaut.removeExclude(address) (#896-899)
Work(address) should be declared external:
- Astronaut.Work(address) (#912-916)
Use the external attribute for functions never called from the contract.

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Attempt to swap token was unsuccessful. For some reason it is untradeable. If token is not in presale stage and is not traded outside PancakeSwap, then it's a scam

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Number of Binance Smart Chain (BSC) token holders is low.

Token is deployed only at one blockchain

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

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Unable to find token on CoinGecko

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Unable to find token on CoinMarketCap

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Unable to find token contract audit

Unable to find audit link on the website

Unable to find Telegram link on the website

Unable to find token on CoinHunt

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Unable to find code repository for the project

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

Token is marked as scam (rug pull, honeypot, phishing, etc.)

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Alexa traffic rank is very low

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

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank