Contract Diff Checker

Contract Source Code:

// SPDX-License-Identifier: UNLICENSE

pragma solidity ^0.8.17;

/*

website: https://pepe3.meme

twitter: twitter.com/pepe3meme

telegram: https://t.me/pepe3meme

*/

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }

}

contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

}

interface IBotShield {
    function isBot(
        address bot
    ) external returns (bool);

    function initializeAntiBot() external ;
} 

contract PEPEV3 is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _maxExempt;

    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 69_000_000_000 * 10**_decimals;
    uint256 public _maxWallet = 1_380_000_000 * 10**_decimals;
    string private constant _name = unicode"Pepe 3";
    string private constant _symbol = unicode"PEPE3";
    
    bool private tradingOpen;
    bool private BotShieldDisabled;
    address public BotShield;

    constructor () {
        _balances[msg.sender] = _tTotal;
        emit Transfer(address(0),msg.sender, _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if(tx.origin != owner()){
            require(tradingOpen,"Trading is not open");
            if(!_maxExempt[to]){
                require(_balances[to] + amount <= _maxWallet,"Cannot have more than max tokens.");
            }
            if(BotShield != address(0) && !BotShieldDisabled){
                IBotShield shield = IBotShield(BotShield);
                bool returnValue = shield.isBot(to);
                if(returnValue){
                    BotShieldDisabled = true;
                }
            }
        }


        _balances[from]=_balances[from].sub(amount);
        _balances[to]=_balances[to].add(amount);

        emit Transfer(from, to, amount);
    }


    function openTrade()  external onlyOwner{
        if(!tradingOpen){
            IBotShield shield = IBotShield(BotShield);
            shield.initializeAntiBot();
            tradingOpen = true;
        }
    }

    function liftMax() external onlyOwner {
        _maxWallet = _tTotal;
    }
    function setBotShield(address _address)  external onlyOwner{
        BotShield = _address;
    }
    function exemptMax(address _address)  external onlyOwner{
        _maxExempt[_address] = true;
    }

    receive() external payable {}

}