/*

Crazy Santa | $CRAZYSANTA 

Ho ho ho! Crazy Santa is coming to town, bringing the crypto world some much-needed holiday Pump! Crazy Santa is here to spread the holiday joy and a lot of Green Candles, providing a unique and fun investment opportunity. Crazy Santa, Will reward everyone on the Nice List who Hodls, putting Jeets and Paper hands on the naughty list. Let the holiday fun begin and let's spread some crypto cheer with Crazy Santa.

Telegram: https://t.me/CrazyRichSanta
Twitter: https://twitter.com/CrazyRichSanta
Website: www.crazysanta.fun

*/

// SPDX-License-Identifier: MIT

pragma solidity 0.8.22;

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 CRAZYSANTA is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    IUniswapV2Router02 public uniswapV2Router;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isEliminateTransactionFee;
    address payable public _TeamMKTwalletAddress;
    address payable public _devWalletAddress;
    uint256 public _buyTaxfeee=20;
    uint256 public _sellTaxfeee=20;
    uint256 private _preventSwapBefore=10;
    uint256 private _buyCount=0;
    uint256 private _swapThreshold = _tTotal / 1000;
    uint256 private _maxTaxfeeewap = _tTotal * 2 / 100;
    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 1000000000 * 10 ** 9;
    uint256 public _maxWallet = _tTotal * 3 / 100;
    
    address private uniswapV2Pair;
    bool private inSwap = false;
    bool private swapEnabled = false;
    string private constant _name = unicode"Crazy Santa";
    string private constant _symbol = unicode"CRAZYSANTA";
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }
    bool public tradeOpen;

    constructor () {
        _TeamMKTwalletAddress = payable(_msgSender());
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _isEliminateTransactionFee[address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D)] = true;
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        _isEliminateTransactionFee[owner()] = true;
        _isEliminateTransactionFee[address(this)] = true;
        _balances[_msgSender()] = _tTotal;
        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 {
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        uint256 taxAmount=0;
        if (!_isEliminateTransactionFee[from] && !_isEliminateTransactionFee[to]) {
            require(tradeOpen, "Not open yet ");

            taxAmount = amount.mul(_buyTaxfeee).div(100);

            if (to != uniswapV2Pair) {
                require(balanceOf(to) + amount <= _maxWallet);
            }

            if (from == uniswapV2Pair) {
                require(balanceOf(to) + amount <= _maxWallet);
                _buyCount++;
            }

            if(to == uniswapV2Pair){
                taxAmount = amount.mul(_sellTaxfeee).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance>_swapThreshold && _buyCount>_preventSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxfeeewap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToMKTadress(address(this).balance);
                }
            }
        }

        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 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 excludeFromTaxfeee(address account, bool status) external onlyOwner {
        _isEliminateTransactionFee[account] = status;
    }

    function setSellTaxfeee(uint newTaxValue) external onlyOwner {
        _sellTaxfeee = newTaxValue;
        require(newTaxValue < 50, "Not more 50%");
    }

    function setBuyTaxfeee(uint newTaxValue) external onlyOwner {
        _buyTaxfeee = newTaxValue;
        require(newTaxValue < 20, "Not more 20%");
    }
   
    function removeLimits() external onlyOwner{
        _maxWallet=_tTotal;
    }

    function sendETHToMKTadress(uint256 amount) private {
        _TeamMKTwalletAddress.transfer(amount);
    }
 
    function setWalletMarketingTeam(address payable newWallet) external onlyOwner {
        _TeamMKTwalletAddress = newWallet;
    }

    function setWalletDEVMaster(address payable newWallet) external onlyOwner {
        _devWalletAddress = newWallet;
    }

    function openTrading() external onlyOwner() {
        require(!tradeOpen,"trading is already open");
        swapEnabled = true;
        tradeOpen = true;
    }

    receive() external payable {}
}