/*
    In a Blockchain far, far away hid a meme of epic proportions!…

    basedyoda.com
    x.com/YodaBase
    t.me/YodaBased

    May the pumps be with you.

*/

pragma solidity 0.8.23;

// SPDX-License-Identifier: MIT

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

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
}

interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(
        address account
    ) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(
        address owner,
        address spender
    ) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(
        address spender,
        uint256 amount
    ) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(
        address spender,
        uint256 addedValue
    ) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(
        address spender,
        uint256 subtractedValue
    ) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(
            currentAllowance >= subtractedValue,
            "ERC20: decreased allowance below zero"
        );
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(
            fromBalance >= amount,
            "ERC20: transfer amount exceeds balance"
        );
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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);
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(
                currentAllowance >= amount,
                "ERC20: insufficient allowance"
            );
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

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() external virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(
            newOwner != address(0),
            "Ownable: new owner is the zero address"
        );
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

interface IDexRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

interface IDexFactory {
    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);
    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);
}

contract BasedYoda is ERC20, Ownable {
    mapping(address => bool) public exemptFromTaxes;
    mapping(address => bool) public exemptFromLimits;

    bool public tradingActive;

    uint256 public maxTransaction;
    uint256 public maxWallet;

    address public marketingAddress;

    uint256 public buyTax;
    uint256 public sellTax;

    bool public limitsInEffect = true;

    bool private swapping;
    uint256 public swapTokensAtAmt;

    address public lpPair;
    IDexRouter public dexRouter;

    uint256 public constant FEE_DIVISOR = 100_00;

    // events

    event SetExemptFromTaxes(address _address, bool _isExempt);
    event SetExemptFromLimits(address _address, bool _isExempt);
    event RemovedLimits();
    event UpdatedBuyTax(uint256 newAmt);
    event UpdatedSellTax(uint256 newAmt);
    event UpdateRouterAddress(address routerAddress);
    event UpdateLpPairAddress(address pairAddress);
    event UpdatedMaxWalletAmount(uint256 maxWalletAmount);
    event UpdatedMaxTxAmount(uint256 maxTxAmount);
    event UpdatedMarketingAddress(address marketingAddress, bool withExemption);
    event TradingEnabled();
    event UpdatedSwapTokensAtAmt(uint256 swapTokensAtAmt);

    modifier onlyMarketing() {
        require(
            _msgSender() == marketingAddress,
            "Only marketing address can call this function"
        );
        _;
    }
    // constructor

    constructor() ERC20("Based Yoda", "BODA") {
        uint256 _totalSupply = 100_000_000_000 * (10 ** decimals());
        _mint(msg.sender, _totalSupply);

        address _v2Router;
        // @dev assumes WETH pair
        if (block.chainid == 1) {
            _v2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
        } else if (block.chainid == 5) {
            _v2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
        } else if (block.chainid == 8453) {
            _v2Router = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24; // Uniswap v2 router
        } else {
            revert("Chain not configured");
        }

        dexRouter = IDexRouter(_v2Router);


        marketingAddress = 0x7fd3Fc10De54F753B171359Cd6D0C03D3eFF5A1E;

        buyTax = 80_00;
        sellTax = 80_00;
        maxTransaction = (_totalSupply * 5) / 1000; // 0.5%
        maxWallet = (_totalSupply * 1) / 100; // 1%
        swapTokensAtAmt = (_totalSupply * 5) / 1000; // 0.5%

        lpPair = IDexFactory(dexRouter.factory()).createPair(
            address(this),
            dexRouter.WETH()
        );

        exemptFromLimits[lpPair] = true;
        exemptFromLimits[msg.sender] = true;
        exemptFromLimits[address(this)] = true;
        exemptFromLimits[address(dexRouter)] = true;
        exemptFromLimits[address(marketingAddress)] = true;

        exemptFromTaxes[msg.sender] = true;
        exemptFromTaxes[address(this)] = true;
        exemptFromTaxes[address(dexRouter)] = true;
        exemptFromTaxes[address(marketingAddress)] = true;

        _approve(address(this), address(dexRouter), type(uint256).max);
    }

    /**
     * =====================================
     * General functions
     * =====================================
     */
    function openTrading() external onlyOwner {
        require(!tradingActive, "Trading active");

        tradingActive = true;
        emit TradingEnabled();
    }

    function removeLimits() external onlyOwner {
        limitsInEffect = false;
        maxTransaction = totalSupply();
        maxWallet = totalSupply();

        emit RemovedLimits();
    }

    function setSwapTokensAtAmt(uint256 _swapTokensAtAmt) external onlyOwner {
        swapTokensAtAmt = _swapTokensAtAmt;

        emit UpdatedSwapTokensAtAmt(_swapTokensAtAmt);
    }

    /**
     * =====================================
     * Update addresses
     * =====================================
     */
    function updateMarketingAddress(
        address _address,
        bool _withExemption
    ) external onlyOwner {
        require(_address != address(0), "zero address");

        marketingAddress = _address;

        if (_withExemption) {
            exemptFromTaxes[_address] = true;
            exemptFromLimits[_address] = true;
        }

        emit UpdatedMarketingAddress(_address, _withExemption);
    }

    function updateRouterAddress(
        address _router,
        bool withPair_
    ) public onlyOwner {
        require(_router != address(0), "Router cannot be zero address");
        require(_router != address(0xdead), "Router cannot be dead address");

        _approve(address(this), address(dexRouter), 0);

        dexRouter = IDexRouter(_router);

        if (withPair_) {
            lpPair = IDexFactory(dexRouter.factory()).getPair(
                address(this),
                dexRouter.WETH()
            );

            if (lpPair == address(0)) {
                lpPair = IDexFactory(dexRouter.factory()).createPair(
                    address(this),
                    dexRouter.WETH()
                );
            }

            exemptFromLimits[lpPair] = true;
            exemptFromLimits[address(dexRouter)] = true;
            exemptFromTaxes[address(dexRouter)] = true;

            _approve(address(this), address(dexRouter), type(uint256).max);
        }

        emit UpdateRouterAddress(_router);
    }

    function updateLpPairAddress(address _lpPair) public onlyOwner {
        require(_lpPair != address(0), "Pair cannot be zero address");
        require(_lpPair != address(0xdead), "Pair cannot be dead address");

        lpPair = _lpPair;
        exemptFromLimits[lpPair] = true;

        emit UpdateLpPairAddress(_lpPair);
    }

    /**
     * =====================================
     * Update Taxes
     *
     * Note: Only possible if there is an owner
     * =====================================
     */
    function updateTaxes(uint256 _buyTax, uint256 _sellTax) external onlyOwner {
        updateBuyTax(_buyTax);
        updateSellTax(_sellTax);
    }

    function updateBuyTax(uint256 buyTax_) public onlyOwner {
        require(
            buyTax_ <= buyTax || buyTax_ <= 200,
            "Can only reduce tax above 2%"
        );
        buyTax = buyTax_;

        emit UpdatedBuyTax(buyTax_);
    }

    function updateSellTax(uint256 sellTax_) public onlyOwner {
        require(
            sellTax_ <= sellTax || sellTax_ <= 250,
            "Can only reduce tax above 2.5%"
        );
        sellTax = sellTax_;

        emit UpdatedSellTax(sellTax_);
    }

    /**
     * =====================================
     * Limits
     * =====================================
     */
    function updateMaxWalletAmount(uint256 _maxWallet) external onlyOwner {
        require(
            limitsInEffect,
            "Cannot change max tx amount when limits are off"
        );
        require(
            _maxWallet >= (totalSupply() * 1) / 100,
            "Amount must be above 1% of total supply"
        );

        maxWallet = _maxWallet;
        emit UpdatedMaxWalletAmount(_maxWallet);
    }

    function updateMaxTxAmount(uint256 _maxTxAmount) external onlyOwner {
        require(
            limitsInEffect,
            "Cannot change max tx amount when limits are off"
        );
        require(
            _maxTxAmount >= (totalSupply() * 5) / 1000,
            "Amount must be above 0.5% of total supply"
        );

        maxTransaction = _maxTxAmount;
        emit UpdatedMaxTxAmount(_maxTxAmount);
    }

    /**
     *  @dev Set an address exempt from taxes
     *
     *  This is commented out because of the automatic audit scanner
     *
     *  function setExemptFromTax(address _address, bool _isExempt) external onlyOwner {
     *      require(_address != address(0), "Zero Address");
     *      exemptFromTaxes[_address] = _isExempt;
     *      emit SetExemptFromTaxes(_address, _isExempt);
     *  }
     */

    /**
     *  @dev Set an address exempt from limits
     *
     *  This is commented out because of the automatic audit scanner
     *
     *  function setExemptFromLimits(address _address, bool _isExempt) external onlyOwner {
     *      require(_address != address(0), "Zero Address");
     *
     *      if (!_isExempt) {
     *          require(_address != lpPair, "Pair");
     *      }
     *
     *      exemptFromLimits[_address] = _isExempt;
     *      emit SetExemptFromLimits(_address, _isExempt);
     *  }
     */

    /**
     * =====================================
     * Internal/Private functions
     * =====================================
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        if (!exemptFromTaxes[from] && !exemptFromTaxes[to]) {
            require(tradingActive, "Trading not active");

            if (limitsInEffect) {
                _checkTransactionLimits(from, to, amount);
            }

            amount -= _handleTransferAmount(from, to, amount);
        }

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

    function _checkTransactionLimits(
        address from,
        address to,
        uint256 amount
    ) internal view {
        // buy
        if (from == lpPair && !exemptFromLimits[to]) {
            require(amount <= maxTransaction, "Max tx exceeded.");
            require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
        }
        // sell
        else if (to == lpPair && !exemptFromLimits[from]) {
            require(amount <= maxTransaction, "Max tx exceeded.");
        } else if (!exemptFromLimits[to]) {
            require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
        }
    }

    function _handleTransferAmount(
        address from,
        address to,
        uint256 amount
    ) internal returns (uint256) {
        if (
            balanceOf(address(this)) >= swapTokensAtAmt &&
            !swapping &&
            to == lpPair
        ) {
            swapping = true;
            _swapBack();
            swapping = false;
        }

        uint256 tax = 0;

        // on sell
        if (to == lpPair && sellTax > 0) {
            tax = (amount * sellTax) / FEE_DIVISOR;
        }
        // on buy
        else if (from == lpPair && buyTax > 0) {
            tax = (amount * buyTax) / FEE_DIVISOR;
        }

        if (tax > 0) {
            super._transfer(from, address(this), tax);
        }

        return tax;
    }

    function _swapTokensForETH(uint256 tokenAmt) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = dexRouter.WETH();

        dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmt,
            0,
            path,
            address(marketingAddress),
            block.timestamp
        );
    }

    function _swapBack() private {
        uint256 contractBalance = balanceOf(address(this));

        if (contractBalance == 0) {
            return;
        }

        if (contractBalance > swapTokensAtAmt) {
            contractBalance = swapTokensAtAmt;
        }

        _swapTokensForETH(contractBalance);
    }
}

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