// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like 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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

//SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";

interface IDividendDistributor {
    function setDistributionCriteria(
        uint256 _minPeriod,
        uint256 _minDistribution
    ) external;

    function setShare(address shareholder, uint256 amount) external;

    function deposit() external;

    function process(uint256 gas) external;

    function purge(address receiver) external;
}

contract DividendDistributor is IDividendDistributor {
    address public _token;

    struct Share {
        uint256 amount;
        uint256 totalExcluded;
        uint256 totalRealised;
    }

    IERC20 public REWARD;

    address[] shareholders;
    mapping(address => uint256) shareholderIndexes;
    mapping(address => uint256) shareholderClaims;

    mapping(address => Share) public shares;

    uint256 public totalShares;
    uint256 public totalDividends;
    uint256 public totalDistributed;
    uint256 public dividendsPerShare;
    uint256 public dividendsPerShareAccuracyFactor = 10 ** 36;

    uint256 public minPeriod = 30 * 60;
    uint256 public minDistribution = 1 * (10 ** 9);

    uint256 currentIndex;
    IUniswapV2Router02 public router;

    bool initialized;
    modifier initialization() {
        require(!initialized);
        _;
        initialized = true;
    }

    modifier onlyToken() {
        require(msg.sender == _token);
        _;
    }

    constructor(address rewardToken, address _router) {
        _token = msg.sender;
        REWARD = IERC20(rewardToken);
        router = IUniswapV2Router02(_router);
    }

    receive() external payable {}

    function setDistributionCriteria(
        uint256 _minPeriod,
        uint256 _minDistribution
    ) external override onlyToken {
        minPeriod = _minPeriod;
        minDistribution = _minDistribution;
    }

    function purge(address receiver) external override onlyToken {
        uint256 balance = REWARD.balanceOf(address(this));
        REWARD.transfer(receiver, balance);
    }

    function setShare(
        address shareholder,
        uint256 amount
    ) external override onlyToken {
        if (amount > 0 && shares[shareholder].amount == 0) {
            addShareholder(shareholder);
        } else if (amount == 0 && shares[shareholder].amount > 0) {
            removeShareholder(shareholder);
        }

        totalShares = totalShares - shares[shareholder].amount + amount;
        shares[shareholder].amount = amount;
        shares[shareholder].totalExcluded = getCumulativeDividends(
            shares[shareholder].amount
        );
    }

    function deposit() external override onlyToken {
        uint256 _oldBalance = REWARD.balanceOf(address(this));
        swapBnbForTokens(address(this).balance);
        uint256 _newBalance = REWARD.balanceOf(address(this)) - _oldBalance;
        totalDividends += _newBalance;
        dividendsPerShare +=
            (dividendsPerShareAccuracyFactor * _newBalance) /
            totalShares;
    }

    function process(uint256 gas) external override onlyToken {
        uint256 shareholderCount = shareholders.length;

        if (shareholderCount == 0) {
            return;
        }

        uint256 gasUsed = 0;
        uint256 gasLeft = gasleft();

        uint256 iterations = 0;

        while (gasUsed < gas && iterations < shareholderCount) {
            if (currentIndex >= shareholderCount) {
                currentIndex = 0;
            }

            if (shouldDistribute(shareholders[currentIndex])) {
                distributeDividend(shareholders[currentIndex]);
            }

            gasUsed += gasLeft - gasleft();
            gasLeft = gasleft();
            currentIndex++;
            iterations++;
        }
    }

    function shouldDistribute(
        address shareholder
    ) internal view returns (bool) {
        return
            shareholderClaims[shareholder] + minPeriod < block.timestamp &&
            getUnpaidEarnings(shareholder) > minDistribution;
    }

    function distributeDividend(address shareholder) internal {
        if (shares[shareholder].amount == 0) {
            return;
        }

        uint256 amount = getUnpaidEarnings(shareholder);
        if (amount > 0) {
            REWARD.transfer(shareholder, amount);
            shareholderClaims[shareholder] = block.timestamp;
            shares[shareholder].totalRealised += amount;
            shares[shareholder].totalExcluded = getCumulativeDividends(
                shares[shareholder].amount
            );
            totalDistributed += amount;
        }
    }

    function claimDividend() external {
        distributeDividend(msg.sender);
    }

    function claimDividendTo(address _investor) external {
        distributeDividend(_investor);
    }

    function getUnpaidEarnings(
        address shareholder
    ) public view returns (uint256) {
        if (shares[shareholder].amount == 0) {
            return 0;
        }

        uint256 shareholderTotalDividends = getCumulativeDividends(
            shares[shareholder].amount
        );
        uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;

        if (shareholderTotalDividends <= shareholderTotalExcluded) {
            return 0;
        }

        return shareholderTotalDividends - shareholderTotalExcluded;
    }

    function getHolderDetails(
        address holder
    )
        public
        view
        returns (
            uint256 lastClaim,
            uint256 unpaidEarning,
            uint256 totalReward,
            uint256 holderIndex
        )
    {
        lastClaim = shareholderClaims[holder];
        unpaidEarning = getUnpaidEarnings(holder);
        totalReward = shares[holder].totalRealised;
        holderIndex = shareholderIndexes[holder];
    }

    function getCumulativeDividends(
        uint256 share
    ) internal view returns (uint256) {
        return (share * dividendsPerShare) / dividendsPerShareAccuracyFactor;
    }

    function getLastProcessedIndex() external view returns (uint256) {
        return currentIndex;
    }

    function getNumberOfTokenHolders() external view returns (uint256) {
        return shareholders.length;
    }

    function getShareHoldersList() external view returns (address[] memory) {
        return shareholders;
    }

    function totalDistributedRewards() external view returns (uint256) {
        return totalDistributed;
    }

    function addShareholder(address shareholder) internal {
        shareholderIndexes[shareholder] = shareholders.length;
        shareholders.push(shareholder);
    }

    function removeShareholder(address shareholder) internal {
        shareholders[shareholderIndexes[shareholder]] = shareholders[
            shareholders.length - 1
        ];
        shareholderIndexes[
            shareholders[shareholders.length - 1]
        ] = shareholderIndexes[shareholder];
        shareholders.pop();
    }

    function swapBnbForTokens(uint256 bnbAmount) private {
        // generate the uniswap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = router.WETH();
        path[1] = address(REWARD);

        // make the swap
        router.swapExactETHForTokensSupportingFeeOnTransferTokens{
            value: bnbAmount
        }(
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

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

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

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

pragma solidity >=0.5.0;

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

    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(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

//SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import "./DividendDistributor.sol";

contract BabyGolden is IERC20, Ownable(msg.sender) {
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

    address public REWARD = 0xD87996Ff3D06858BFC20989aEF50cc5FCD4d84ca;

    string constant _name = "Baby Golden Coin";
    string constant _symbol = "BabyGolden";
    uint8 constant _decimals = 9;

    uint256 _totalSupply = 1000000000 * (10 ** _decimals);

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

    mapping(address => bool) isFeeExempt;
    mapping(address => bool) isDividendExempt;

    // buy fees
    uint256 public buyRewardFee = 2;
    uint256 public buyMarketingFee = 2;
    uint256 public buyLiquidityFee = 1;
    uint256 public buyTotalFees = 5;
    // sell fees
    uint256 public sellRewardFee = 2;
    uint256 public sellMarketingFee = 2;
    uint256 public sellLiquidityFee = 1;
    uint256 public sellTotalFees = 5;

    address public marketingWallet;

    IUniswapV2Router02 public router;
    address public pair;

    DividendDistributor public dividendTracker;

    uint256 distributorGas = 500000;

    event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
    event ChangeRewardTracker(address token);
    event IncludeInReward(address holder);

    bool public swapEnabled = true;
    uint256 public swapThreshold = (_totalSupply * 2) / 10000; // 0.01% of supply

    bool inSwap;
    modifier swapping() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() {
        router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        pair = IUniswapV2Factory(router.factory()).createPair(
            router.WETH(),
            address(this)
        );
        _allowances[address(this)][address(router)] = type(uint256).max;

        dividendTracker = new DividendDistributor(REWARD, address(router));

        address newOwner = 0x89A77964246Ec5aefaBF10aECFb8b53ae9fbaC12;
        isFeeExempt[newOwner] = true;

        isDividendExempt[pair] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[DEAD] = true;

        marketingWallet = 0x54b25ca25E38AA008fA7A933B5C9600f09c445AF;

        _balances[newOwner] = _totalSupply;

        transferOwnership(newOwner);
        emit Transfer(address(0), newOwner, _totalSupply);
    }

    receive() external payable {}

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

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

    // tracker dashboard functions
    function getHolderDetails(
        address holder
    ) public view returns (uint256, uint256, uint256, uint256) {
        return dividendTracker.getHolderDetails(holder);
    }

    function getLastProcessedIndex() public view returns (uint256) {
        return dividendTracker.getLastProcessedIndex();
    }

    function getNumberOfTokenHolders() public view returns (uint256) {
        return dividendTracker.getNumberOfTokenHolders();
    }

    function totalDistributedRewards() public view returns (uint256) {
        return dividendTracker.totalDistributedRewards();
    }

    function allowance(
        address holder,
        address spender
    ) external view override returns (uint256) {
        return _allowances[holder][spender];
    }

    function approve(
        address spender,
        uint256 amount
    ) public override returns (bool) {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    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);
    }

    function approveMax(address spender) external returns (bool) {
        return approve(spender, type(uint256).max);
    }

    function transfer(
        address recipient,
        uint256 amount
    ) external override returns (bool) {
        return _transferFrom(msg.sender, recipient, amount);
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external override returns (bool) {
        if (_allowances[sender][msg.sender] != type(uint256).max) {
            require(
                _allowances[sender][msg.sender] >= amount,
                "Insufficient Allowance"
            );
            _allowances[sender][msg.sender] =
                _allowances[sender][msg.sender] -
                amount;
        }

        return _transferFrom(sender, recipient, amount);
    }

    function _transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) internal returns (bool) {
        if (inSwap) {
            return _basicTransfer(sender, recipient, amount);
        }

        if (shouldSwapBack()) {
            swapBackInBnb();
        }

        require(_balances[sender] >= amount, "Insufficient Balance");
        _balances[sender] = _balances[sender] - amount;
        uint256 amountReceived = shouldTakeFee(sender, recipient)
            ? takeFee(sender, amount, recipient)
            : amount;
        _balances[recipient] = _balances[recipient] + amountReceived;

        // Dividend tracker
        if (!isDividendExempt[sender]) {
            try dividendTracker.setShare(sender, _balances[sender]) {} catch {}
        }

        if (!isDividendExempt[recipient]) {
            try
                dividendTracker.setShare(recipient, _balances[recipient])
            {} catch {}
        }

        try dividendTracker.process(distributorGas) {} catch {}

        emit Transfer(sender, recipient, amountReceived);
        return true;
    }

    function _basicTransfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal returns (bool) {
        require(_balances[sender] >= amount, "Insufficient Balance");
        _balances[sender] = _balances[sender] - amount;
        _balances[recipient] = _balances[recipient] + amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function shouldTakeFee(
        address sender,
        address to
    ) internal view returns (bool) {
        if (isFeeExempt[sender] || isFeeExempt[to]) {
            return false;
        } else {
            return true;
        }
    }

    function takeFee(
        address sender,
        uint256 amount,
        address to
    ) internal returns (uint256) {
        uint256 feeAmount = 0;

        if (to == pair) feeAmount = (amount * sellTotalFees) / 100;
        else feeAmount = (amount * buyTotalFees) / 100;

        if (feeAmount > 0) {
            _balances[address(this)] = _balances[address(this)] + feeAmount;
            emit Transfer(sender, address(this), feeAmount);
        }

        return (amount - feeAmount);
    }

    function shouldSwapBack() internal view returns (bool) {
        return
            msg.sender != pair &&
            !inSwap &&
            swapEnabled &&
            sellTotalFees > 0 &&
            _balances[address(this)] >= swapThreshold;
    }

    function clearStuckBalance(uint256 amountPercentage) external onlyOwner {
        uint256 amountBNB = address(this).balance;
        payable(msg.sender).transfer((amountBNB * amountPercentage) / 100);
    }

    function getBep20Tokens(
        address _tokenAddress,
        uint256 amount
    ) external onlyOwner {
        require(
            _tokenAddress != address(this),
            "You can not withdraw native tokens"
        );
        require(
            IERC20(_tokenAddress).balanceOf(address(this)) >= amount,
            "No Enough Tokens"
        );
        IERC20(_tokenAddress).transfer(msg.sender, amount);
    }

    function whitelistPreSale(address _preSale) public onlyOwner {
        isFeeExempt[_preSale] = true;
        isDividendExempt[_preSale] = true;
    }

    // manual claim for the greedy humans
    function ___claimRewards() public {
        dividendTracker.claimDividendTo(msg.sender);
    }

    // manually clear the queue
    function claimProcess() public {
        try dividendTracker.process(distributorGas) {} catch {}
    }

    function purgeRewards() external onlyOwner {
        dividendTracker.purge(msg.sender);
    }

    function isRewardExclude(address _wallet) public view returns (bool) {
        return isDividendExempt[_wallet];
    }

    function isFeeExclude(address _wallet) public view returns (bool) {
        return isFeeExempt[_wallet];
    }

    function swapBackInBnb() internal swapping {
        uint256 contractTokenBalance = _balances[address(this)];
        uint256 tokensToLiquidity = (contractTokenBalance * sellLiquidityFee) /
            sellTotalFees;

        uint256 marketingAndRewardFee = sellMarketingFee + sellRewardFee;
        uint256 tokensFormarketingAndReward = contractTokenBalance -
            tokensToLiquidity;

        if (tokensFormarketingAndReward > 0) {
            swapTokensForEth(tokensFormarketingAndReward);

            uint256 swappedNativeToken = address(this).balance;

            uint256 tokensToReward = (swappedNativeToken * sellRewardFee) /
                marketingAndRewardFee;

            uint256 tokensToMarketing = swappedNativeToken - tokensToReward;
            if (tokensToReward > 0) {
                (bool success, ) = address(dividendTracker).call{
                    value: tokensToReward
                }("");
                try dividendTracker.deposit() {} catch {}
            }

            if (tokensToMarketing > 0) {
                (bool success, ) = marketingWallet.call{
                    value: tokensToMarketing
                }("");
            }
        }

        if (tokensToLiquidity > 0) {
            // add liquidity
            swapAndLiquify(tokensToLiquidity);
        }
    }

    function swapAndLiquify(uint256 tokens) private {
        // split the contract balance into halves
        uint256 half = tokens / 2;
        uint256 otherHalf = tokens - half;

        // capture the contract's current ETH balance.
        // this is so that we can capture exactly the amount of ETH that the
        // swap creates, and not make the liquidity event include any ETH that
        // has been manually sent to the contract
        uint256 initialBalance = address(this).balance;

        // swap tokens for ETH
        swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered

        // how much ETH did we just swap into?
        uint256 newBalance = address(this).balance - initialBalance;

        // add liquidity to uniswap
        addLiquidity(otherHalf, newBalance);

        emit AutoLiquify(newBalance, otherHalf);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        // generate the uniswap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();
        _approve(address(this), address(router), tokenAmount);
        // make the swap
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }

    function addLiquidity(uint256 tokenAmount, uint256 bnbAmount) private {
        _approve(address(this), address(router), tokenAmount);

        // add the liquidity
        router.addLiquidityETH{value: bnbAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            address(DEAD),
            block.timestamp
        );
    }

    function setIsDividendExempt(
        address holder,
        bool exempt
    ) external onlyOwner {
        require(holder != address(this) && holder != pair);
        isDividendExempt[holder] = exempt;
        if (exempt) {
            dividendTracker.setShare(holder, 0);
        } else {
            dividendTracker.setShare(holder, _balances[holder]);
        }
    }

    function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
        isFeeExempt[holder] = exempt;
    }

    function setMarketingWallets(address _newWallet) external onlyOwner {
        marketingWallet = _newWallet;
    }

    function setSwapBackSettings(
        bool _enabled,
        uint256 _amount
    ) external onlyOwner {
        swapEnabled = _enabled;
        swapThreshold = _amount;
    }

    function setDistributionCriteria(
        uint256 _minPeriod,
        uint256 _minDistribution
    ) external onlyOwner {
        dividendTracker.setDistributionCriteria(_minPeriod, _minDistribution);
    }

    function setDistributorSettings(uint256 gas) external onlyOwner {
        require(gas < 750000);
        distributorGas = gas;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "compilationTarget": {
    "contracts/Lock.sol": "BabyGolden"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}