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ZPF [ZooPlang FINANCE] Token

ALERT: rug pull scam

About ZPF

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Token 3 months

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Laser Scorebeta Last Audit: 9 February 2022

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

ZOO.swapLiquidity(uint256,address) (#327-336) performs a multiplication on the result of a division:
-_balances[address(this)] = 1 + (liquidityFee / 2) * 2 - 1 (#329)
Consider ordering multiplication before division.

Additional information: link

ZOO._approve(address,address,uint256).owner (#268) shadows:
- Ownable.owner() (#197-199) (function)
ZOO.allowance(address,address).owner (#274) shadows:
- Ownable.owner() (#197-199) (function)
Rename the local variables that shadow another component.

Additional information: link

Reentrancy in ZOO.swapLiquidity(uint256,address) (#327-336):
External calls:
- _router.swapExactTokensForETHSupportingFeeOnTransferTokens(liquidityFee,0,path,to,block.timestamp + 20) (#334)
State variables written after the call(s):
- liquifying = false (#335)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#210-215) uses assembly
- INLINE ASM (#213)
Do not use evm assembly.

Additional information: link

Address.isContract(address) (#210-215) is never used and should be removed
Context._msgData() (#12-15) is never used and should be removed
SafeMath.add(uint256,uint256) (#29-34) is never used and should be removed
SafeMath.mod(uint256,uint256) (#139-141) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#155-158) is never used and should be removed
SafeMath.sub(uint256,uint256) (#46-48) is never used and should be removed
SafeMath.sub(uint256,uint256,string) (#60-65) is never used and should be removed
Remove unused functions.

Additional information: link

ZOO._totalSupply (#232) is set pre-construction with a non-constant function or state variable:
- 110000000 * 10 ** _decimals
ZOO._maxTxAmount (#233) is set pre-construction with a non-constant function or state variable:
- 100000000 * 10 ** _decimals
ZOO._fee (#238) is set pre-construction with a non-constant function or state variable:
- _liquidityFee + _buyBackFee + _marketingFee
ZOO._liquiditySwapThreshold (#241) is set pre-construction with a non-constant function or state variable:
- _totalSupply
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

Pragma version^0.8.11 (#5) necessitates a version too recent to be trusted. Consider deploying with 0.6.12/0.7.6/0.8.7
solc-0.8.11 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

Function IUniswapV2Router.WETH() (#179) is not in mixedCase
Variable ZOO._decimals (#231) is not in mixedCase
Variable ZOO._totalSupply (#232) is not in mixedCase
Variable ZOO._maxTxAmount (#233) is not in mixedCase
Variable ZOO._liquidityFee (#234) is not in mixedCase
Variable ZOO._buyBackFee (#235) is not in mixedCase
Variable ZOO._marketingFee (#236) is not in mixedCase
Variable ZOO._fee (#238) is not in mixedCase
Variable ZOO._swapEnabled (#239) is not in mixedCase
Variable ZOO._buys (#247) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#13)" inContext (#8-16)
Remove redundant statements if they congest code but offer no value.

Additional information: link

ZOO.slitherConstructorVariables() (#221-347) uses literals with too many digits:
- _totalSupply = 110000000 * 10 ** _decimals (#232)
ZOO.slitherConstructorVariables() (#221-347) uses literals with too many digits:
- _maxTxAmount = 100000000 * 10 ** _decimals (#233)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

ZOO._includedInFee (#227) is never used in ZOO (#221-347)
ZOO._liquiditySwapThreshold (#241) is never used in ZOO (#221-347)
ZOO.started (#249) is never used in ZOO (#221-347)
Remove unused state variables.

Additional information: link

ZOO._buyBackFee (#235) should be constant
ZOO._decimals (#231) should be constant
ZOO._liquidityFee (#234) should be constant
ZOO._marketingFee (#236) should be constant
ZOO._name (#223) should be constant
ZOO._swapEnabled (#239) should be constant
ZOO._symbol (#224) should be constant
ZOO.started (#249) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#204-207)
balanceOf(address) should be declared external:
- ZOO.balanceOf(address) (#262)
approve(address,uint256) should be declared external:
- ZOO.approve(address,uint256) (#264-267)
allowance(address,address) should be declared external:
- ZOO.allowance(address,address) (#274-276)
increaseAllowance(address,uint256) should be declared external:
- ZOO.increaseAllowance(address,uint256) (#277-280)
decreaseAllowance(address,uint256) should be declared external:
- ZOO.decreaseAllowance(address,uint256) (#281-285)
transfer(address,uint256) should be declared external:
- ZOO.transfer(address,uint256) (#337-340)
transferFrom(address,address,uint256) should be declared external:
- ZOO.transferFrom(address,address,uint256) (#341-345)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.


Average 30d PancakeSwap volume 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.


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


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


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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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