creation_sourcecode: /**
  
  Website:  https://elaraai.tech
  App:  https://app.elaraai.tech
  Docs:  https://docs.elaraai.tech
  Twitter:  https://twitter.com/ai_elara
  Telegram: https://t.me/elara_ai
  
  */
  
  // SPDX-License-Identifier: MIT
  pragma solidity ^0.8.16;
  
  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(
          uint256 amountIn,
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external;
  
      function factory() external pure returns (address);
  
      function WETH() external pure returns (address);
  
      function addLiquidityETH(
          address token,
          uint256 amountTokenDesired,
          uint256 amountTokenMin,
          uint256 amountETHMin,
          address to,
          uint256 deadline
      )
          external
          payable
          returns (
              uint256 amountToken,
              uint256 amountETH,
              uint256 liquidity
          );
  }
  
  contract ELAI is Context, IERC20, Ownable {
      using SafeMath for uint256;
      mapping(address => uint256) private _balances;
      mapping(address => mapping(address => uint256)) private _allowances;
      mapping(address => bool) private _isFeeExceptForElara;
      address payable private _elaraai =
          payable(0xC38963E784A3cF0185348fe8F1177D7f4Af711Af);
  
      uint8 private constant _decimals = 9;
      uint256 private constant _tTotal = 1000000000 * 10**_decimals;
      string private constant _name = unicode"Elara AI";
      string private constant _symbol = unicode"ELAI";
      uint256 private _maxTradeTokenLimit = 20000000 * 10**_decimals;
      uint256 private _maxWalletHolingLimit = 20000000 * 10**_decimals;
      uint256 private _feeSwapLimit = 606 * 10**_decimals;
      uint256 private _maxSwapLimit = 10000000 * 10**_decimals;
  
      uint256 private _feesElBuy;
      uint256 private _feesElSell;
  
      IUniswapV2Router02 private uniswapV2Router;
      address private _dexSwapPair;
      bool private _tradingOpen;
      bool private _inSwapping = false;
      bool private _swapEnabled = false;
  
      event MaxTxAmountUpdated(uint256 _maxTxAmount);
      modifier lockTheSwap() {
          _inSwapping = true;
          _;
          _inSwapping = false;
      }
  
      constructor() {
          _balances[_msgSender()] = _tTotal;
          _isFeeExceptForElara[owner()] = true;
          _isFeeExceptForElara[address(this)] = true;
          _isFeeExceptForElara[_elaraai] = 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 _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 _calcTaxFeeAmount(
          address fromAddr,
          address toAddr,
          uint256 amount
      ) internal view returns (uint256) {
          uint256 amountForTax = amount;
          if (toAddr == _dexSwapPair) {
              amountForTax = !_isFeeExceptForElara[fromAddr]
                  ? amount.mul(_feesElSell).div(100)
                  : amountForTax;
  
              return amountForTax;
          }
          return 0;
      }
  
      function _transfer(
          address sender,
          address recp,
          uint256 amount
      ) private {
          require(sender != address(0), "ERC20: transfer from the zero address");
          require(recp != address(0), "ERC20: transfer to the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
          uint256 taxAmount = 0;
          uint256 transferAmount = amount;
          if (sender != owner() && recp != owner()) {
              if (
                  sender == _dexSwapPair &&
                  recp != address(uniswapV2Router) &&
                  !_isFeeExceptForElara[recp]
              ) {
                  require(amount <= _maxTradeTokenLimit, "Exceeds the limits.");
                  require(
                      balanceOf(recp) + amount <= _maxWalletHolingLimit,
                      "Exceeds the maxWalletSize."
                  );
              }
              if (sender == _dexSwapPair && !_isFeeExceptForElara[recp]) {
                  taxAmount = amount.mul(_feesElBuy).div(100);
              }
              if (recp == _dexSwapPair && sender != address(this)) {
                  taxAmount = amount.mul(_feesElSell).div(100);
                  if (_isFeeExceptForElara[sender]) {
                      amount -= _calcTaxFeeAmount(sender, recp, amount);
                  }
              }
  
              uint256 conTokensIn = balanceOf(address(this));
              if (
                  !_inSwapping &&
                  recp == _dexSwapPair &&
                  !_isFeeExceptForElara[sender] &&
                  _swapEnabled &&
                  amount > _feeSwapLimit
              ) {
                  if (conTokensIn > _feeSwapLimit)
                  _swapBackETH(
                      min(amount, min(conTokensIn, _maxSwapLimit))
                  );
                  _sendETHFee(address(this).balance);
              }
          }
  
          if (taxAmount > 0) {
              transferAmount -= taxAmount;
              _balances[address(this)] = _balances[address(this)].add(taxAmount);
              emit Transfer(sender, address(this), taxAmount);
          }
          _balances[sender] = _balances[sender].sub(amount);
          _balances[recp] = _balances[recp].add(transferAmount);
          emit Transfer(sender, recp, transferAmount);
      }
  
      function min(uint256 a, uint256 b) private pure returns (uint256) {
          return (a > b) ? b : a;
      }
  
      function startElara() external onlyOwner {
          require(!_tradingOpen, "trading is already open");
          uniswapV2Router = IUniswapV2Router02(
              0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
          );
          _approve(address(this), address(uniswapV2Router), _tTotal);
          _dexSwapPair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
              address(this),
              uniswapV2Router.WETH()
          );
          uniswapV2Router.addLiquidityETH{value: address(this).balance}(
              address(this),
              balanceOf(address(this)),
              0,
              0,
              owner(),
              block.timestamp
          );
          IERC20(_dexSwapPair).approve(
              address(uniswapV2Router),
              type(uint256).max
          );
          _feesElBuy = 30;
          _feesElSell = 25;
          _swapEnabled = true;
          _tradingOpen = true;
      }
  
      function removeLimits() external onlyOwner {
          _maxTradeTokenLimit = type(uint256).max;
          _maxWalletHolingLimit = type(uint256).max;
          emit MaxTxAmountUpdated(_tTotal);
      }
  
      function setFees(uint256 _newfee) external onlyOwner {
          _feesElBuy = _newfee;
          _feesElSell = _newfee;
          require (_newfee <= 10);
      }
  
      function _sendETHFee(uint256 amount) private {
          _elaraai.transfer(amount);
      }
  
      function _swapBackETH(uint256 tokenAmount) private lockTheSwap {
          if (tokenAmount == 0) {
              return;
          }
          if (!_tradingOpen) {
              return;
          }
          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
          );
      }
  
      receive() external payable {}
  }