Cowboy Zombies Token - Smart Contract Audit Report

Summary

Cowboy Zombies Token Audit Report Cowboy Zombies Token ($CZ) is a new community-driven BEP20 token on the Binance Smart Chain.

The Cowboy Zombies Token contract is deployed at 0x64B5D35543D03aDf447286f69383e3E76eF6f8BE on the Binance Smart Chain mainnet.

Notes on the Contract:
The total supply of the token is initially set to 100 million $CZ [100,000,000].
No mint or burn functions are present beyond deployment; though the circulating supply can be reduced by sending tokens to the 0x..dead address if desired.
At the time of writing this report, 100% of the total $CZ token supply is in possession of the owner as the project was recently deployed.

There is a tax fee that is charged on transfers when sending tokens to Pancakeswap (selling).
The tokens collected from this fee are sent directly to the team's 'taxAddress'. This address is currently set to the owner's address, however the owner can update this address to a new wallet at any time.
The owner has the ability to modify the tax fee to any percentage at any time.
The owner has the ability to exclude and include accounts from the tax fee.
Ownership has not been renounced.
Some gas optimizations can be achieved through declaring functions external instead of public and some variables constant. As this contract is already deployed, this is merely informational.
As the project is implemented with Solidity v0.8.x, it is protected from overflows.
Audit Findings Summary
No external threats were identified.
We recommend that the team renounces ownership.
Please ensure trust in the team prior to investing as they have some control in the ecosystem.
Date: September 20th, 2021

Audit Results

Vulnerability Category	Notes	Result
Arbitrary Storage Write	N/A	PASS
Arbitrary Jump	N/A	PASS
Delegate Call to Untrusted Contract	N/A	PASS
Dependence on Predictable Variables	N/A	PASS
Deprecated Opcodes	N/A	PASS
Ether Thief	N/A	PASS
Exceptions	N/A	PASS
External Calls	N/A	PASS
Flash Loans	N/A	PASS
Integer Over/Underflow	N/A	PASS
Multiple Sends	N/A	PASS
Oracles	N/A	PASS
Suicide	N/A	PASS
State Change External Calls	N/A	PASS
Unchecked Retval	N/A	PASS
User Supplied Assertion	N/A	PASS
Critical Solidity Compiler	N/A	PASS
Overall Contract Safety		PASS

Function Graph

ERC20 Token Graph

Inheritence Chart

Multi-file Token

Functions Overview


 ($) = payable function
 # = non-constant function
 
 + [Int] IERC20 
    - [Ext] totalSupply
    - [Ext] balanceOf
    - [Ext] transfer #
    - [Ext] allowance
    - [Ext] approve #
    - [Ext] transferFrom #

 + [Int] IERC20Metadata (IERC20)
    - [Ext] name
    - [Ext] symbol
    - [Ext] decimals

 +  Context 
    - [Int] _msgSender
    - [Int] _msgData

 + [Lib] SafeMath 
    - [Int] tryAdd
    - [Int] trySub
    - [Int] tryMul
    - [Int] tryDiv
    - [Int] tryMod
    - [Int] add
    - [Int] sub
    - [Int] mul
    - [Int] div
    - [Int] mod
    - [Int] sub
    - [Int] div
    - [Int] mod

 +  Ownable (Context)
    - [Pub]  #
    - [Pub] owner
    - [Pub] renounceOwnership #
       - modifiers: onlyOwner
    - [Pub] transferOwnership #
       - modifiers: onlyOwner
    - [Prv] _setOwner #

 + [Int] IPancakeFactory 
    - [Ext] createPair #

 + [Int] IPancakeRouter 
    - [Ext] WETH
    - [Ext] factory

 + [Int] IPancakePair 
    - [Ext] token0
    - [Ext] token1
    - [Ext] getReserves

 +  CowboyZombies (Context, IERC20, IERC20Metadata, Ownable)
    - [Pub]  #
    - [Pub] excludeFromFee #
       - modifiers: onlyOwner
    - [Pub] includeInFee #
       - modifiers: onlyOwner
    - [Pub] setTaxAddress #
       - modifiers: onlyOwner
    - [Pub] setTax #
       - modifiers: onlyOwner
    - [Pub] isExcludedFromFee
    - [Pub] amountForEth
    - [Pub] name
    - [Pub] symbol
    - [Pub] decimals
    - [Pub] totalSupply
    - [Pub] balanceOf
    - [Pub] transfer #
    - [Pub] allowance
    - [Pub] approve #
    - [Pub] transferFrom #
    - [Pub] increaseAllowance #
    - [Pub] decreaseAllowance #
    - [Int] _transfer #
    - [Int] _mint #
    - [Int] _approve #

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