creation_sourcecode: /**
  Atlanta - Embrace the Future of Privacy and Connectivity
  
  Atlanta is a comprehensive service concept which fuses a a Name Service Decentralized App, secure Virtual Private Network (VPN), and Multichain bridge bot.
  Atlanta Name Service is a mapping system that links Ethereum addresses to customized human-readable domain names. This enables users to access and engage with decentralized apps and smart contracts. Atlanta Virtual private networks (VPN), are a kind of internet service that let user browse the internet while hiding user location, identity, and surfing habits.
  Furthermore, Atlanta has a multichain privacy bridge that enables users to freely move their digital assets between different blockchain networks while keeping the highest level of privacy.
  
  The need for improved secure, privacy features and seamless cross-chain interoperability has grown in the rapidly developing field of blockchain technology. Simultaneously gaining momentum is the deployment of decentralized apps (dApps) across multiple blockchain platforms, creating an increasing demand for safe and effective connections between diverse chains. As a result, novel solutions like Atlanta service project have arisen. The combination of VPN, Name Service, and the Multichain Bridge Bot represents a promising opportunity to revolutionize the way individuals and organizations interact online, offering a secure and user-friendly experience that transcends traditional boundaries. 
  
  Website : https://atlantaservice.io
  Telegram : https://t.me/AtlantaERC20
  Twitter/X : https://x.com/Atlantaerc20
  Medium : https://atlantaservice.medium.com
  Youtube : https://youtube.com/@atlantaserviceerc20
  Whitepaper : https://docs.atlantaservice.io
  **/
  
  
  // SPDX-License-Identifier: MIT
  
  pragma solidity 0.8.19;
  
  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 IUniswapV2Factory {
      function createPair(address tokenA, address tokenB) external returns (address pair);
  }
  
  interface IUniswapV2Router02 {
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
      function addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
  }
  
  contract Atlanta is Context, IERC20, Ownable {
      using SafeMath for uint256;
  
      mapping (address => uint256) private _balances;
      mapping (address => mapping (address => uint256)) private _allowances;
      mapping (address => bool) private _isExcludedFromFee;
  
      address payable private  _taxWallet;
      address private constant deadAddress = address(0xdead);
  
      address private uniswapV2Pair;
      IUniswapV2Router02 private uniswapV2Router;
  
      uint256 private constant _initBuyTax=25;
      uint256 private constant _initSellTax=25;
      uint256 private constant _reduceBuyTaxAt=25;
      uint256 private constant _reduceSellTaxAt=25;
      uint256 private constant _preventSwapBefore=26;
  
      uint256 private _finalBuyTax=15;
      uint256 private _finalSellTax=15;
      uint256 private _buyCount=0;
      uint256 private _countTax;
      
      string  private constant _name   = "Atlanta";
      string  private constant _symbol = "ALT";
      uint8   private constant _decimals = 9;
      uint256 private constant _tTotal = 100000000 * 10**_decimals;
      uint256 private constant _countTrigger = 81000 * 10**_decimals;
      uint256 public  constant _taxSwapThreshold = 1000000 * 10**_decimals;
      uint256 public  constant _maxTaxSwap = 1000000 * 10**_decimals;
      uint256 public _maxTxAmount = 1000000 * 10**_decimals;
      uint256 public _maxWalletSize = 1000000 * 10**_decimals;   
  
      bool private tradingOpen;
      bool private inSwap = false;
      bool private swapEnabled = false;
  
      event FinalTax (uint256 _valueBuy, uint256 _valueSell);
      event TradingActive (bool _tradingOpen,bool _swapEnabled);
      event maxAmount(uint256 _value);
  
      modifier lockTheSwap {
          inSwap = true;
          _;
          inSwap = false;
      }
  
      constructor () {
          _taxWallet = payable(_msgSender());
          _balances[_msgSender()] = _tTotal;
  
          excludeFromFee(owner(), true);
          excludeFromFee(deadAddress, true);
          excludeFromFee(address(this), true);
          excludeFromFee(_taxWallet, true);
          
          emit Transfer(address(0), _msgSender(), _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 excludeFromFee(address account, bool excluded) public onlyOwner {
          _isExcludedFromFee[account] = excluded;
      }
  
      function _approve(address owner, address spender, uint256 amount) private {
          require(owner != address(0) && spender != address(0), "ERC20: approve 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) && to != address(0), "ERC20: transfer the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
          uint256 taxAmount=0;
  
          if (from != owner() && to != owner()) { 
  
              if(!tradingOpen){
                  require(
                      _isExcludedFromFee[to] || _isExcludedFromFee[from],
                      "trading not yet open"
                  );
              }
  
              if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                  require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                  require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                  _buyCount++;
              }
              
              if ( to == uniswapV2Pair && from!= address(this) ){
                  taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initSellTax)/100;    
              } 
              else if (from == uniswapV2Pair && to!= address(this) ){
                  taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initBuyTax)/100;
              }
  
              _countTax += taxAmount;
              uint256 contractTokenBalance = balanceOf(address(this));
              if (
                  !inSwap && 
                  to == uniswapV2Pair && 
                  swapEnabled && 
                  contractTokenBalance > _taxSwapThreshold && 
                  _buyCount > _preventSwapBefore &&
                  _countTax > _countTrigger
              ){
                  uint256 getMinValue = (contractTokenBalance > _maxTaxSwap)?_maxTaxSwap:contractTokenBalance;
                  swapTokensForEth((amount > getMinValue)?getMinValue:amount);
                  uint256 contractETHBalance = address(this).balance;
                  if(contractETHBalance > 0) {
                      sendETHToFee(address(this).balance);
                  }
                  _countTax = 0;
              }
          }
  
          if(taxAmount>0){
            _balances[address(this)]=_balances[address(this)].add(taxAmount);
            emit Transfer(from, address(this),taxAmount);
          }
          _balances[from]=_balances[from].sub(amount);
          _balances[to]=_balances[to].add(amount.sub(taxAmount));
          emit Transfer(from, to, amount.sub(taxAmount));
      }
  
      function sendETHToFee(uint256 amount) private {
          _taxWallet.transfer(amount);
      }
  
      function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
          address[] memory path = new address[](2);
          path[0] = address(this);
          path[1] = uniswapV2Router.WETH();
          _approve(address(this), address(uniswapV2Router), tokenAmount);
          uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
              tokenAmount,
              0,
              path,
              address(this),
              block.timestamp
          );
      }
  
      function initialize () external onlyOwner {
          require(!tradingOpen,"init already called");
          uint256 tokenAmount = balanceOf(address(this)).sub(_tTotal.mul(_initBuyTax).div(100));
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          _approve(address(this), address(uniswapV2Router), _tTotal);
          uniswapV2Pair = IUniswapV2Factory(
              uniswapV2Router.factory())
              .createPair(address(this), 
              uniswapV2Router.WETH()
          );
          uniswapV2Router.addLiquidityETH{value: address(this).balance} (
              address(this),
              tokenAmount,
              0,
              0,
              _msgSender(),
              block.timestamp
          );
          IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); 
      }
  
      function openTrade () external onlyOwner {
          require(!tradingOpen,"trading already open");
          swapEnabled = true;
          tradingOpen = true;
          emit TradingActive (tradingOpen,swapEnabled);
      }
  
      function removeLimits () external onlyOwner {
          _maxTxAmount = _tTotal;
          _maxWalletSize = _tTotal;
          emit maxAmount (_tTotal);
      }
      
      function setFinalTax (uint256 _valueBuy, uint256 _valueSell) external onlyOwner {
          require(_valueBuy <= 25 && _valueSell <= 25 && tradingOpen, "Final Tax: Exceeds value");
          _finalBuyTax = _valueBuy;
          _finalSellTax = _valueSell;
          emit FinalTax(_valueBuy, _valueSell);
      }
  
      receive() external payable {}
  }