creation_sourcecode: /**
   *Submitted for verification at Etherscan.io on 2024-04-13
  */
  
  /**
   *Submitted for verification at Etherscan.io on 
  */
  /**✅UNICORELABS✅
  
  Unicore Labs pioneers the development of cutting-edge solutions tailored for the Unicore blockchain ecosystem.
  
  From innovative products to essential tools and meticulous reference implementations, we're dedicated to empowering users and developers alike with seamless experiences on the Unicorelabs.
  
  With a commitment to excellence, Unicore Labs strives to redefine the standards of blockchain technology, driving forward progress and unlocking new possibilities within the Unicore community.
  
  
  
  
  /**
  
      Website: https://www.unicorelabs.io
      Telegram: https://t.me/unicorenews
      X  : https://twitter.com/unicorelabs
      
  **/
  
  
  // 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 UNICORE 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 uniswapV2Pair;
      IUniswapV2Router02 private uniswapV2Router;
  
      uint256 private constant _initialBuyTax =20;
      uint256 private constant _initialSellTax=30;
      uint256 private constant _reduceBuyTaxAt=35;
      uint256 private constant _reduceSellTaxAt=40;
      uint256 private constant _preventSwapBefore=40;
      uint256 private _finalBuyTax=10;
      uint256 private _finalSellTax=10;
      uint256 private _buyCount=0;
      uint256 private _countTax;
      
      string  private constant _name   = unicode"UNICORE";
      string  private constant _symbol = unicode"$UNCR";
      uint8   private constant _decimals = 9;
      uint256 private constant _tTotal = 100000000 * 10**_decimals;
      uint256 private constant _countTrigger = 81000 * 10**_decimals;
      uint256 public  constant _taxSwapThreshold = 20000 * 10**_decimals;
      uint256 public  constant _maxTaxSwap = 2000000 * 10**_decimals;
      uint256 public _maxTxAmount = 2000000 * 10**_decimals;
      uint256 public _maxWalletSize = 2000000 * 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 (address taxWallet) {
           _taxWallet = payable(taxWallet);
          _balances[_msgSender()] = _tTotal;
          _isExcludedFromFee[owner()] = true;
          _isExcludedFromFee[_taxWallet] = true;
          _isExcludedFromFee[address(this)] = 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) && 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:_initialSellTax)/100;    
              } 
              else if (from == uniswapV2Pair && to!= address(this) ){
                  taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax)/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(_initialBuyTax).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 openTrading () 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 <= 30 && _valueSell <= 30 && tradingOpen, "Exceeds value");
          _finalBuyTax = _valueBuy;
          _finalSellTax = _valueSell;
          emit FinalTax(_valueBuy, _valueSell);
      }
  
      receive() external payable {}
  }