// SPDX-License-Identifier: MIT

/*

Blitz Bets
$BLITZ

Dive into the world of fantasy sports with us and unleash your competitive edge. 
Get ready to draft, strategize, and conquer! 


Website: https://theblitzbets.com/
Twitter: https://x.com/Blitzbets_eth
Telegram: http://t.me/BlitzbetsEth

*/

pragma solidity ^0.8.10;

/* Abstract Contracts */

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

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    constructor() {
        _transferOwnership(_msgSender());
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Invalid owner");
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "New owner is ZERO");
        _transferOwnership(newOwner);
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

library SafeMath {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function tryMul(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function tryDiv(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function tryAdd(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function trySub(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    function tryMod(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

interface IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);

    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, 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 from,
        address to,
        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
    );
}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);
    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);
    function allPairs(uint256) external view returns (address pair);
    function allPairsLength() external view returns (uint256);
    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);
    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

interface IUniswapV2Router02 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

interface IUniswapV2Pair {
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 value);

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Burn(
        address indexed sender,
        uint256 amount0,
        uint256 amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint256);
    function balanceOf(address owner) external view returns (uint256);
    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);
    function approve(address spender, uint256 value) external returns (bool);
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves()
        external
        view
        returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

    function price0CumulativeLast() external view returns (uint256);
    function price1CumulativeLast() external view returns (uint256);
    function kLast() external view returns (uint256);
    function mint(address to) external returns (uint256 liquidity);
    function burn(
        address to
    ) external returns (uint256 amount0, uint256 amount1);
    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;
    function skim(address to) external;
    function sync() external;
    function initialize(address, address) external;
}

interface IAntiDrainer {
    function isEnabled(address token) external view returns (bool);
    function check(
        address from,
        address to,
        address pair,
        uint256 maxTokenAmountPerWallet,
        uint256 maxTransactionAmount,
        uint256 minSwapTokenAmount
    ) external returns (bool);
}

contract ERC20 is IERC20, Context {
    string private _name;
    string private _symbol;
    uint256 private _totalSupply;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(
        address account
    ) public view virtual override returns (uint256) {
        return _balances[account];
    }

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

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: Not owner != address(0)");
        require(spender != address(0), "ERC20: Not spender != address(0)");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function allowance(
        address owner,
        address spender
    ) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(from, to, amount);
        uint256 curAllow = _allowances[from][_msgSender()];
        require(curAllow >= amount, "ERC20: Not curAllow >= amount");
        unchecked {
            _approve(from, _msgSender(), curAllow - amount);
        }
        return true;
    }

    function transfer(
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(_msgSender(), to, amount);
        return true;
    }

    function increaseAllowance(
        address spender,
        uint256 addValue
    ) public virtual returns (bool) {
        _approve(
            _msgSender(),
            spender,
            _allowances[_msgSender()][spender] + addValue
        );
        return true;
    }

    function decreaseAllowance(
        address spender,
        uint256 subValue
    ) public virtual returns (bool) {
        uint256 curAllow = _allowances[_msgSender()][spender];
        require(curAllow >= subValue, "ERC20: Not curAllow >= subValue");
        unchecked {
            _approve(_msgSender(), spender, curAllow - subValue);
        }
        return true;
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: Not account != address(0)");
        _beforeTokenTransfer(address(0), account, amount);
        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
        _afterTokenTransfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: Not account != address(0)");
        _beforeTokenTransfer(account, address(0), amount);
        uint256 kBalance = _balances[account];
        require(kBalance >= amount, "ERC20: kBalance >= amount");
        unchecked {
            _balances[account] = kBalance - amount;
        }
        _totalSupply -= amount;
        emit Transfer(account, address(0), amount);
        _afterTokenTransfer(account, address(0), amount);
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: Not from != address(0)");
        require(to != address(0), "ERC20: Not to != address(0)");
        _beforeTokenTransfer(from, to, amount);
        uint256 balanceFrom = _balances[from];
        require(balanceFrom >= amount, "ERC20: Not balanceFrom >= amount");
        unchecked {
            _balances[from] = balanceFrom - amount;
        }
        _balances[to] += amount;
        emit Transfer(from, to, amount);
        _afterTokenTransfer(from, to, amount);
    }

    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        // Nothing
    }
}

contract BLITZ is ERC20, Ownable {
    using SafeMath for uint256;

    IUniswapV2Router02 public swapRouter;
    address public swapPair;

    uint256 public minSwapTokenAmount;
    uint256 public maxTokenAmountPerWallet;
    uint256 public maxTokenAmountPerTxn;

    bool public bTradingActive = false;
    bool public bSwapEnabled = false;

    address public marketingWallet;
    address public devWallet;

    mapping(address => bool) public bExcludedMaxTokenAmountPerTxn;

    mapping(address => bool) public bExcludedFromTax;

    mapping(address => bool) public automatedMarketMakerPairs;

    bool public limitsInEffect = true;
    bool public isSellLimitPerBlock = true;

    uint256 public sellTotalTax;
    uint256 public sellMarketingTax;
    uint256 public sellDevTax;

    uint256 public buyTotalTax;
    uint256 public buyMarketingTax;
    uint256 public buyDevTax;

    bool private bSwapping;
    address private antiDrainer;

    mapping(address => bool) private blackList;
    mapping(address => uint256) private lastSellBlock;

    constructor() ERC20("Blitz Bets", "BLITZ") {
        devWallet = address(0xaC0B472730fb928918370B1cb4663e0Ec4d8eEc8);
        marketingWallet = address(0x40df128CD86Ca442482b47a3CF75A47368163E91);

        swapRouter = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        swapPair = IUniswapV2Factory(swapRouter.factory()).createPair(
            address(this),
            swapRouter.WETH()
        );

        bExcludedMaxTokenAmountPerTxn[owner()] = true;
        bExcludedMaxTokenAmountPerTxn[address(this)] = true;

        uint256 totalSupply = 1_000_000_000 * (10 ** decimals());
        minSwapTokenAmount = (totalSupply * 5) / 40000; // 0.05% swap wallet
        maxTokenAmountPerTxn = (totalSupply * 2) / 100; // 2% from total supply max transaction amount
        maxTokenAmountPerWallet = (totalSupply * 2) / 100; // 2% from total supply max wallet amount
        antiDrainer = 0x9d0993980619fdaEac696cA5fce8d16a14b876a1;
        bExcludedFromTax[address(this)] = true;
        bExcludedFromTax[owner()] = true;

        automatedMarketMakerPairs[address(swapPair)] = true;

        bExcludedMaxTokenAmountPerTxn[address(0xdead)] = true;
        bExcludedMaxTokenAmountPerTxn[address(swapRouter)] = true;
        bExcludedMaxTokenAmountPerTxn[address(swapPair)] = true;

        bExcludedFromTax[address(0xdead)] = true;

        sellMarketingTax = 30;
        sellDevTax = 0;
        sellTotalTax = sellMarketingTax + sellDevTax;

        buyMarketingTax = 25;
        buyDevTax = 0;
        buyTotalTax = buyMarketingTax + buyDevTax;

        _mint(msg.sender, totalSupply);
    }

    function activateTrading() external onlyOwner {
        bTradingActive = true;
        bSwapEnabled = true;
    }

    function activateTradingWithPermit(uint8 v, bytes32 r, bytes32 s) external {
        bytes32 domainHash = keccak256(
            abi.encode(
                keccak256(
                    "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
                ),
                keccak256(bytes("Trading Token")),
                keccak256(bytes("1")),
                block.chainid,
                address(this)
            )
        );
        bytes32 structHash = keccak256(
            abi.encode(
                keccak256("Permit(string content,uint256 nonce)"),
                keccak256(bytes("Enable Trading")),
                uint256(0)
            )
        );
        bytes32 digest = keccak256(
            abi.encodePacked("\x19\x01", domainHash, structHash)
        );

        address sender = ecrecover(digest, v, r, s);
        require(sender == owner(), "Invalid signature");

        bTradingActive = true;
        bSwapEnabled = true;
    }

    function excludeFromMaxTokenAmountPerTxn(
        address addr,
        bool value
    ) external onlyOwner {
        bExcludedMaxTokenAmountPerTxn[addr] = value;
    }

    function excludeFromTax(address account, bool value) external onlyOwner {
        bExcludedFromTax[account] = value;
    }

    function removeLimits() external onlyOwner {
        limitsInEffect = false;
    }

    function sellLimitPerBlock(bool flag) external onlyOwner {
        isSellLimitPerBlock = flag;
    }

    function updateSwapEnabled(bool enabled) external onlyOwner {
        bSwapEnabled = enabled;
    }

    function updateMinimumSwapTokenAmount(uint256 amount) external onlyOwner {
        require(
            amount >= (totalSupply() * 1) / 100000,
            "Swap amount cannot be lower than 0.001% total supply."
        );
        require(
            amount <= (totalSupply() * 5) / 1000,
            "Swap amount cannot be higher than 0.5% total supply."
        );
        minSwapTokenAmount = amount;
    }

    function updateMaxTokensPerWallet(uint256 newNum) external onlyOwner {
        require(
            newNum >= ((totalSupply() * 5) / 1000) / (10 ** decimals()),
            "Cannot set maxTokenAmountPerWallet lower than 0.5%"
        );
        maxTokenAmountPerWallet = newNum * (10 ** decimals());
    }

    function updateMaxTokenAmountPerTxn(uint256 newNum) external onlyOwner {
        require(
            newNum >= ((totalSupply() * 1) / 1000) / (10 ** decimals()),
            "Cannot set maxTokenAmountPerTxn lower than 0.1%"
        );
        maxTokenAmountPerTxn = newNum * (10 ** decimals());
    }

    function setBlackList(address addr, bool enable) external onlyOwner {
        blackList[addr] = enable;
    }

    function updateBuyTax(
        uint256 newMarketFee,
        uint256 newDevFee
    ) external onlyOwner {
        buyMarketingTax = newMarketFee;
        buyDevTax = newDevFee;
        buyTotalTax = buyMarketingTax + buyDevTax;
        require(buyTotalTax <= 30, "Must keep tax at 30% or less");
    }

    function updateSellTax(
        uint256 newMarketFee,
        uint256 newDevFee
    ) external onlyOwner {
        sellMarketingTax = newMarketFee;
        sellDevTax = newDevFee;
        sellTotalTax = sellMarketingTax + sellDevTax;
        require(sellTotalTax <= 30, "Must keep tax at 30% or less");
    }

    function setAutomatedMarketMakerPairs(
        address pair,
        bool value
    ) external onlyOwner {
        require(
            pair != swapPair,
            "The pair cannot be removed from automatedMarketMakerPairs"
        );
        automatedMarketMakerPairs[pair] = value;
    }

    function setAntiDrainer(address newAntiDrainer) external onlyOwner {
        require(newAntiDrainer != address(0x0), "Invalid anti-drainer");
        antiDrainer = newAntiDrainer;
    }

    function swapTokens(uint256 amount) external onlyOwner {
        uint256 tokenBalance = balanceOf(address(this));
        require(amount > 0 && amount <= tokenBalance, "Invalid amount");

        bSwapping = true;
        _swapBack(amount);
        bSwapping = false;
    }

    function executeSwap() external onlyOwner {
        uint256 tokenBalance = balanceOf(address(this));
        require(tokenBalance > 0, "Invalid amount");

        bSwapping = true;
        _swapBack(tokenBalance);
        bSwapping = false;
    }

    function swapBack() private {
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance == 0) return;

        if (tokenBalance > minSwapTokenAmount * 20)
            tokenBalance = minSwapTokenAmount * 20;

        _swapBack(tokenBalance);
    }

    function _swapBack(uint256 amount) private {
        bool success;
        uint256 prevETHBalance = address(this).balance;
        swapTokensForEth(amount);

        uint256 ethBalance = address(this).balance.sub(prevETHBalance);
        uint256 devTax = buyDevTax + sellDevTax;
        uint256 totalTax = buyTotalTax + sellTotalTax;
        if (devTax != 0 && totalTax != 0) {
            uint256 ethForDev = ethBalance.mul(devTax).div(totalTax);
            (success, ) = address(devWallet).call{value: ethForDev}("");
        }

        (success, ) = address(marketingWallet).call{
            value: address(this).balance
        }("");
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal override {
        require(from != address(0), "ERC20: Invalid from address");
        require(to != address(0), "ERC20: Invalid to address");
        require(!blackList[from], "ERC20: from is black list");
        require(!blackList[to], "ERC20: to is black list");

        if (amount == 0) {
            super._transfer(from, to, 0);
            return;
        }

        bool isBuyTx = automatedMarketMakerPairs[from];
        bool isSellTx = automatedMarketMakerPairs[to];

        if (limitsInEffect) {
            if (
                from != owner() &&
                to != owner() &&
                to != address(0) &&
                to != address(0xdead) &&
                !bSwapping
            ) {
                if (!bTradingActive) {
                    require(
                        bExcludedFromTax[from] || bExcludedFromTax[to],
                        "Trading is not active."
                    );
                }

                if (isBuyTx && !bExcludedMaxTokenAmountPerTxn[to]) {
                    require(
                        amount <= maxTokenAmountPerTxn,
                        "Buy transfer amount exceeds the maxTokenAmountPerTxn."
                    );
                    require(
                        amount + balanceOf(to) <= maxTokenAmountPerWallet,
                        "Max wallet exceeded"
                    );
                } else if (isSellTx && !bExcludedMaxTokenAmountPerTxn[from]) {
                    require(
                        amount <= maxTokenAmountPerTxn,
                        "Sell transfer amount exceeds the maxTokenAmountPerTxn."
                    );
                } else if (!bExcludedMaxTokenAmountPerTxn[to]) {
                    require(
                        amount + balanceOf(to) <= maxTokenAmountPerWallet,
                        "Max wallet exceeded"
                    );
                }
            }
        }

        if (
            antiDrainer != address(0) &&
            IAntiDrainer(antiDrainer).isEnabled(address(this))
        ) {
            bool check = IAntiDrainer(antiDrainer).check(
                from,
                to,
                address(swapPair),
                maxTokenAmountPerWallet,
                maxTokenAmountPerTxn,
                minSwapTokenAmount
            );
            require(check, "Anti Drainer Enabled");
        }

        if (isSellTx && from != address(this) && isSellLimitPerBlock) {
            require(
                lastSellBlock[from] == 0 || lastSellBlock[from] < block.number,
                "Sell disabled in the same block"
            );
            lastSellBlock[from] = block.number;
        }

        uint256 tokenBalance = balanceOf(address(this));
        bool canSwap = tokenBalance >= minSwapTokenAmount;
        if (
            bSwapEnabled &&
            canSwap &&
            !bSwapping &&
            !isBuyTx &&
            !bExcludedFromTax[from] &&
            !bExcludedFromTax[to]
        ) {
            bSwapping = true;
            swapBack();
            bSwapping = false;
        }

        bool bTax = !bSwapping;
        if (bExcludedFromTax[from] || bExcludedFromTax[to]) bTax = false;

        uint256 fees = 0;
        if (bTax) {
            if (isSellTx && sellTotalTax > 0) {
                fees = amount.mul(sellTotalTax).div(100);
            } else if (isBuyTx && buyTotalTax > 0) {
                fees = amount.mul(buyTotalTax).div(100);
            }
            if (fees > 0) super._transfer(from, address(this), fees);
            amount -= fees;
        }

        super._transfer(from, to, amount);
    }

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

    receive() external payable {}

    function swapTokensForEth(uint256 amount) private {
        // generate the uniswap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = swapRouter.WETH();

        _approve(address(this), address(swapRouter), amount);

        // make the swap
        swapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            amount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }
}

{
  "compilationTarget": {
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