Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson_v0.8.6+commit.0e36fba.js&optimize=true&gist=

BaseToken.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
enum TokenType {
    MXLY,
    WFA,
    ABZ,
    DOGE,
    BABYDOGE,
    DOGEKING,
    TIGERKING,
    DOGEQUEEN
}
abstract contract BaseToken {
    event TokenCreated(
        address indexed owner,
        address indexed token,
        TokenType tokenType,
        uint256 version
    );
}

Clones.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library Clones {
    function clone(address implementation) internal returns (address instance) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create(0, ptr, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create2(0, ptr, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
            mstore(add(ptr, 0x38), shl(0x60, deployer))
            mstore(add(ptr, 0x4c), salt)
            mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
            predicted := keccak256(add(ptr, 0x37), 0x55)
        }
    }
    function predictDeterministicAddress(address implementation, bytes32 salt)
        internal
        view
        returns (address predicted)
    {
        return predictDeterministicAddress(implementation, salt, address(this));
    }
}

Context.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

ContextUpgradeable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./Initializable.sol";
abstract contract ContextUpgradeable is Initializable {
    function __Context_init() internal initializer {
        __Context_init_unchained();
    }
    function __Context_init_unchained() internal initializer {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    uint256[50] private __gap;
}

DogeKingToken.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
import "./ERC20.sol";
import "./IERC20.sol";
import "./Ownable.sol";
import "./SafeMath.sol";
import "./Clones.sol";
import "./IUniswapV2Factory.sol";
import "./IUniswapV2Router02.sol";
import "./DogeKingTokenDividendTracker.sol";
import "./BaseToken.sol";
contract DogeKingToken is ERC20, Ownable, BaseToken {
    using SafeMath for uint256;
    uint256 public constant VERSION = 666;
    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;
    bool private swapping;
    DogeKingTokenDividendTracker public dividendTracker;
    address public rewardToken;
    uint256 public swapTokensAtAmount;
    uint256 public tokenRewardsFee;
    uint256 public liquidityFee;
    uint256 public marketingFee;
    uint256 public totalFees;
    address public _marketingWalletAddress;
    uint256 public gasForProcessing;
    mapping(address => bool) private _isExcludedFromFees;
    mapping(address => bool) public automatedMarketMakerPairs;
    event UpdateDividendTracker(
        address indexed newAddress,
        address indexed oldAddress
    );
    event UpdateUniswapV2Router(
        address indexed newAddress,
        address indexed oldAddress
    );
    event ExcludeFromFees(address indexed account, bool isExcluded);
    event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded);
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
    event LiquidityWalletUpdated(
        address indexed newLiquidityWallet,
        address indexed oldLiquidityWallet
    );
    event GasForProcessingUpdated(
        uint256 indexed newValue,
        uint256 indexed oldValue
    );
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
    );
    event SendDividends(uint256 tokensSwapped, uint256 amount);
    event ProcessedDividendTracker(
        uint256 iterations,
        uint256 claims,
        uint256 lastProcessedIndex,
        bool indexed automatic,
        uint256 gas,
        address indexed processor
    );
    constructor(
        string memory name_,
        string memory symbol_,
        uint256 totalSupply_,
        address[4] memory addrs, // reward, router, marketing wallet, dividendTracker
        uint256[3] memory feeSettings, // rewards, liquidity, marketing
        uint256 minimumTokenBalanceForDividends_,
        address serviceFeeReceiver_,
        uint256 serviceFee_
    ) payable ERC20(name_, symbol_) {
        rewardToken = addrs[0];
        _marketingWalletAddress = addrs[2];
        require(
            msg.sender != _marketingWalletAddress,
            "Owner and marketing wallet cannot be the same"
        );
        tokenRewardsFee = feeSettings[0];
        liquidityFee = feeSettings[1];
        marketingFee = feeSettings[2];
        totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
        require(totalFees <= 25, "Total fee is over 25%");
        swapTokensAtAmount = totalSupply_.mul(2).div(10**6);
        gasForProcessing = 300000;
        dividendTracker = DogeKingTokenDividendTracker(
            payable(Clones.clone(addrs[3]))
        );
        dividendTracker.initialize(
            rewardToken,
            minimumTokenBalanceForDividends_
        );
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addrs[1]);
        address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
        uniswapV2Router = _uniswapV2Router;
        uniswapV2Pair = _uniswapV2Pair;
        _setAutomatedMarketMakerPair(_uniswapV2Pair, true);
        dividendTracker.excludeFromDividends(address(dividendTracker));
        dividendTracker.excludeFromDividends(address(this));
        dividendTracker.excludeFromDividends(owner());
        dividendTracker.excludeFromDividends(address(0xdead));
        dividendTracker.excludeFromDividends(address(_uniswapV2Router));
        excludeFromFees(owner(), true);
        excludeFromFees(_marketingWalletAddress, true);
        excludeFromFees(address(this), true);
        _mint(owner(), totalSupply_);
        emit TokenCreated(owner(), address(this), TokenType.DOGEKING, VERSION);
        payable(serviceFeeReceiver_).transfer(serviceFee_);
    }
    receive() external payable {}
    function setSwapTokensAtAmount(uint256 amount) external onlyOwner {
        swapTokensAtAmount = amount;
    }
    function updateDividendTracker(address newAddress) public onlyOwner {
        require(
            newAddress != address(dividendTracker),
            "DogeKingToken: The dividend tracker already has that address"
        );
        DogeKingTokenDividendTracker newDividendTracker = DogeKingTokenDividendTracker(
            payable(newAddress)
        );
        require(
            newDividendTracker.owner() == address(this),
            "DogeKingToken: The new dividend tracker must be owned by the DogeKingToken token contract"
        );
        newDividendTracker.excludeFromDividends(address(newDividendTracker));
        newDividendTracker.excludeFromDividends(address(this));
        newDividendTracker.excludeFromDividends(owner());
        newDividendTracker.excludeFromDividends(address(uniswapV2Router));
        emit UpdateDividendTracker(newAddress, address(dividendTracker));
        dividendTracker = newDividendTracker;
    }
    function updateUniswapV2Router(address newAddress) public onlyOwner {
        require(
            newAddress != address(uniswapV2Router),
            "DogeKingToken: The router already has that address"
        );
        emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router));
        uniswapV2Router = IUniswapV2Router02(newAddress);
        address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
            .createPair(address(this), uniswapV2Router.WETH());
        uniswapV2Pair = _uniswapV2Pair;
    }
    function excludeFromFees(address account, bool excluded) public onlyOwner {
        require(
            _isExcludedFromFees[account] != excluded,
            "DogeKingToken: Account is already the value of 'excluded'"
        );
        _isExcludedFromFees[account] = excluded;

        emit ExcludeFromFees(account, excluded);
    }
    function excludeMultipleAccountsFromFees(
        address[] calldata accounts,
        bool excluded
    ) public onlyOwner {
        for (uint256 i = 0; i < accounts.length; i++) {
            _isExcludedFromFees[accounts[i]] = excluded;
        }

        emit ExcludeMultipleAccountsFromFees(accounts, excluded);
    }
    function setMarketingWallet(address payable wallet) external onlyOwner {
        _marketingWalletAddress = wallet;
    }
    function setTokenRewardsFee(uint256 value) external onlyOwner {
        tokenRewardsFee = value;
        totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
        require(totalFees <= 25, "Total fee is over 25%");
    }
    function setLiquiditFee(uint256 value) external onlyOwner {
        liquidityFee = value;
        totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
        require(totalFees <= 25, "Total fee is over 25%");
    }
    function setMarketingFee(uint256 value) external onlyOwner {
        marketingFee = value;
        totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee);
        require(totalFees <= 25, "Total fee is over 25%");
    }
    function setAutomatedMarketMakerPair(address pair, bool value)
        public
        onlyOwner
    {
        require(
            pair != uniswapV2Pair,
            "DogeKingToken: The PancakeSwap pair cannot be removed from automatedMarketMakerPairs"
        );

        _setAutomatedMarketMakerPair(pair, value);
    }
    function _setAutomatedMarketMakerPair(address pair, bool value) private {
        require(
            automatedMarketMakerPairs[pair] != value,
            "DogeKingToken: Automated market maker pair is already set to that value"
        );
        automatedMarketMakerPairs[pair] = value;
        if (value) {
            dividendTracker.excludeFromDividends(pair);
        }

        emit SetAutomatedMarketMakerPair(pair, value);
    }
    function updateGasForProcessing(uint256 newValue) public onlyOwner {
        require(
            newValue >= 200000 && newValue <= 500000,
            "DogeKingToken: gasForProcessing must be between 200,000 and 500,000"
        );
        require(
            newValue != gasForProcessing,
            "DogeKingToken: Cannot update gasForProcessing to same value"
        );
        emit GasForProcessingUpdated(newValue, gasForProcessing);
        gasForProcessing = newValue;
    }
    function updateClaimWait(uint256 claimWait) external onlyOwner {
        dividendTracker.updateClaimWait(claimWait);
    }
    function getClaimWait() external view returns (uint256) {
        return dividendTracker.claimWait();
    }
    function updateMinimumTokenBalanceForDividends(uint256 amount)
        external
        onlyOwner
    {
        dividendTracker.updateMinimumTokenBalanceForDividends(amount);
    }
    function getMinimumTokenBalanceForDividends()
        external
        view
        returns (uint256)
    {
        return dividendTracker.minimumTokenBalanceForDividends();
    }
    function getTotalDividendsDistributed() external view returns (uint256) {
        return dividendTracker.totalDividendsDistributed();
    }
    function isExcludedFromFees(address account) public view returns (bool) {
        return _isExcludedFromFees[account];
    }
    function withdrawableDividendOf(address account)
        public
        view
        returns (uint256)
    {
        return dividendTracker.withdrawableDividendOf(account);
    }
    function dividendTokenBalanceOf(address account)
        public
        view
        returns (uint256)
    {
        return dividendTracker.balanceOf(account);
    }
    function excludeFromDividends(address account) external onlyOwner {
        dividendTracker.excludeFromDividends(account);
    }
    function isExcludedFromDividends(address account)
        public
        view
        returns (bool)
    {
        return dividendTracker.isExcludedFromDividends(account);
    }
    function getAccountDividendsInfo(address account)
        external
        view
        returns (
            address,
            int256,
            int256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        return dividendTracker.getAccount(account);
    }
    function getAccountDividendsInfoAtIndex(uint256 index)
        external
        view
        returns (
            address,
            int256,
            int256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        return dividendTracker.getAccountAtIndex(index);
    }
    function processDividendTracker(uint256 gas) external {
        (
            uint256 iterations,
            uint256 claims,
            uint256 lastProcessedIndex
        ) = dividendTracker.process(gas);
        emit ProcessedDividendTracker(
            iterations,
            claims,
            lastProcessedIndex,
            false,
            gas,
            tx.origin
        );
    }
    function claim() external {
        dividendTracker.processAccount(payable(msg.sender), false);
    }
    function getLastProcessedIndex() external view returns (uint256) {
        return dividendTracker.getLastProcessedIndex();
    }
    function getNumberOfDividendTokenHolders() external view returns (uint256) {
        return dividendTracker.getNumberOfTokenHolders();
    }
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal override {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        if (amount == 0) {
            super._transfer(from, to, 0);
            return;
        }
        uint256 contractTokenBalance = balanceOf(address(this));
        bool canSwap = contractTokenBalance >= swapTokensAtAmount;
        if (
            canSwap &&
            !swapping &&
            !automatedMarketMakerPairs[from] &&
            from != owner() &&
            to != owner()
        ) {
            swapping = true;
            uint256 marketingTokens = contractTokenBalance
                .mul(marketingFee)
                .div(totalFees);
            swapAndSendToFee(marketingTokens);
            uint256 swapTokens = contractTokenBalance.mul(liquidityFee).div(
                totalFees
            );
            swapAndLiquify(swapTokens);
            uint256 sellTokens = balanceOf(address(this));
            swapAndSendDividends(sellTokens);
            swapping = false;
        }
        bool takeFee = !swapping;
        if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
            takeFee = false;
        }
        if (takeFee) {
            uint256 fees = amount.mul(totalFees).div(100);
            if (automatedMarketMakerPairs[to]) {
                fees += amount.mul(1).div(100);
            }
            amount = amount.sub(fees);
            super._transfer(from, address(this), fees);
        }
        super._transfer(from, to, amount);
        try
            dividendTracker.setBalance(payable(from), balanceOf(from))
        {} catch {}
        try dividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {}
        if (!swapping) {
            uint256 gas = gasForProcessing;
            try dividendTracker.process(gas) returns (
                uint256 iterations,
                uint256 claims,
                uint256 lastProcessedIndex
            ) {
                emit ProcessedDividendTracker(
                    iterations,
                    claims,
                    lastProcessedIndex,
                    true,
                    gas,
                    tx.origin
                );
            } catch {}
        }
    }
    function swapAndSendToFee(uint256 tokens) private {
        uint256 initialCAKEBalance = IERC20(rewardToken).balanceOf(
            address(this)
        );
        swapTokensForCake(tokens);
        uint256 newBalance = (IERC20(rewardToken).balanceOf(address(this))).sub(
            initialCAKEBalance
        );
        IERC20(rewardToken).transfer(_marketingWalletAddress, newBalance);
    }
    function swapAndLiquify(uint256 tokens) private {
        uint256 half = tokens.div(2);
        uint256 otherHalf = tokens.sub(half);
        uint256 initialBalance = address(this).balance;
        swapTokensForEth(half); 
        uint256 newBalance = address(this).balance.sub(initialBalance);
        addLiquidity(otherHalf, newBalance);
        emit SwapAndLiquify(half, newBalance, otherHalf);
    }
    function swapTokensForEth(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, 
            path,
            address(this),
            block.timestamp
        );
    }
    function swapTokensForCake(uint256 tokenAmount) private {
        address[] memory path = new address[](3);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        path[2] = rewardToken;
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }
    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0,
            0,
            address(0),
            block.timestamp
        );
    }
    function swapAndSendDividends(uint256 tokens) private {
        swapTokensForCake(tokens);
        uint256 dividends = IERC20(rewardToken).balanceOf(address(this));
        bool success = IERC20(rewardToken).transfer(
            address(dividendTracker),
            dividends
        );
        if (success) {
            dividendTracker.distributeCAKEDividends(dividends);
            emit SendDividends(tokens, dividends);
        }
    }
}

DogeKingTokenDividendTracker.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
import "./ERC20.sol";
import "./ERC20Upgradeable.sol";
import "./IERC20.sol";
import "./Ownable.sol";
import "./OwnableUpgradeable.sol";
import "./SafeMath.sol";
import "./IUniswapV2Factory.sol";
import "./IUniswapV2Router02.sol";
import "./IUniswapV2Pair.sol";
import "./SafeMathInt.sol";
import "./SafeMathUint.sol";
import "./IterableMapping.sol";
interface DividendPayingTokenInterface {
    function dividendOf(address _owner) external view returns (uint256);
    function withdrawDividend() external;
    event DividendsDistributed(address indexed from, uint256 weiAmount);
    event DividendWithdrawn(address indexed to, uint256 weiAmount);
}
interface DividendPayingTokenOptionalInterface {
    function withdrawableDividendOf(address _owner)
        external
        view
        returns (uint256);
    function withdrawnDividendOf(address _owner)
        external
        view
        returns (uint256);
    function accumulativeDividendOf(address _owner)
        external
        view
        returns (uint256);
}
contract DividendPayingToken is
    ERC20Upgradeable,
    OwnableUpgradeable,
    DividendPayingTokenInterface,
    DividendPayingTokenOptionalInterface
{
    using SafeMath for uint256;
    using SafeMathUint for uint256;
    using SafeMathInt for int256;
    address public rewardToken;
    uint256 internal constant magnitude = 2**128;
    uint256 internal magnifiedDividendPerShare;
    mapping(address => int256) internal magnifiedDividendCorrections;
    mapping(address => uint256) internal withdrawnDividends;
    uint256 public totalDividendsDistributed;
    function __DividendPayingToken_init(
        address _rewardToken,
        string memory _name,
        string memory _symbol
    ) internal initializer {
        __Ownable_init();
        __ERC20_init(_name, _symbol);
        rewardToken = _rewardToken;
    }
    function distributeCAKEDividends(uint256 amount) public onlyOwner {
        require(totalSupply() > 0);
        if (amount > 0) {
            magnifiedDividendPerShare = magnifiedDividendPerShare.add(
                (amount).mul(magnitude) / totalSupply()
            );
            emit DividendsDistributed(msg.sender, amount);
            totalDividendsDistributed = totalDividendsDistributed.add(amount);
        }
    }
    function withdrawDividend() public virtual override {
        _withdrawDividendOfUser(payable(msg.sender));
    }
    function _withdrawDividendOfUser(address payable user)
        internal
        returns (uint256)
    {
        uint256 _withdrawableDividend = withdrawableDividendOf(user);
        if (_withdrawableDividend > 0) {
            withdrawnDividends[user] = withdrawnDividends[user].add(
                _withdrawableDividend
            );
            emit DividendWithdrawn(user, _withdrawableDividend);
            bool success = IERC20(rewardToken).transfer(
                user,
                _withdrawableDividend
            );
            if (!success) {
                withdrawnDividends[user] = withdrawnDividends[user].sub(
                    _withdrawableDividend
                );
                return 0;
            }
            return _withdrawableDividend;
        }
        return 0;
    }
    function dividendOf(address _owner) public view override returns (uint256) {
        return withdrawableDividendOf(_owner);
    }
    function withdrawableDividendOf(address _owner)
        public
        view
        override
        returns (uint256)
    {
        return accumulativeDividendOf(_owner).sub(withdrawnDividends[_owner]);
    }
    function withdrawnDividendOf(address _owner)
        public
        view
        override
        returns (uint256)
    {
        return withdrawnDividends[_owner];
    }
    function accumulativeDividendOf(address _owner)
        public
        view
        override
        returns (uint256)
    {
        return
            magnifiedDividendPerShare
                .mul(balanceOf(_owner))
                .toInt256Safe()
                .add(magnifiedDividendCorrections[_owner])
                .toUint256Safe() / magnitude;
    }
    function _transfer(
        address from,
        address to,
        uint256 value
    ) internal virtual override {
        require(false);
        int256 _magCorrection = magnifiedDividendPerShare
            .mul(value)
            .toInt256Safe();
        magnifiedDividendCorrections[from] = magnifiedDividendCorrections[from]
            .add(_magCorrection);
        magnifiedDividendCorrections[to] = magnifiedDividendCorrections[to].sub(
            _magCorrection
        );
    }
    function _mint(address account, uint256 value) internal override {
        super._mint(account, value);

        magnifiedDividendCorrections[account] = magnifiedDividendCorrections[
            account
        ].sub((magnifiedDividendPerShare.mul(value)).toInt256Safe());
    }
    function _burn(address account, uint256 value) internal override {
        super._burn(account, value);

        magnifiedDividendCorrections[account] = magnifiedDividendCorrections[
            account
        ].add((magnifiedDividendPerShare.mul(value)).toInt256Safe());
    }
    function _setBalance(address account, uint256 newBalance) internal {
        uint256 currentBalance = balanceOf(account);
        if (newBalance > currentBalance) {
            uint256 mintAmount = newBalance.sub(currentBalance);
            _mint(account, mintAmount);
        } else if (newBalance < currentBalance) {
            uint256 burnAmount = currentBalance.sub(newBalance);
            _burn(account, burnAmount);
        }
    }
}
contract DogeKingTokenDividendTracker is OwnableUpgradeable, DividendPayingToken {
    using SafeMath for uint256;
    using SafeMathInt for int256;
    using IterableMapping for IterableMapping.Map;
    IterableMapping.Map private tokenHoldersMap;
    uint256 public lastProcessedIndex;
    mapping(address => bool) public excludedFromDividends;
    mapping(address => uint256) public lastClaimTimes;
    uint256 public claimWait;
    uint256 public minimumTokenBalanceForDividends;
    event ExcludeFromDividends(address indexed account);
    event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue);
    event Claim(
        address indexed account,
        uint256 amount,
        bool indexed automatic
    );
    function initialize(
        address rewardToken_,
        uint256 minimumTokenBalanceForDividends_
    ) external initializer {
        DividendPayingToken.__DividendPayingToken_init(
            rewardToken_,
            "DIVIDEND_TRACKER",
            "DIVIDEND_TRACKER"
        );
        claimWait = 3600;
        minimumTokenBalanceForDividends = minimumTokenBalanceForDividends_;
    }
    function _transfer(
        address,
        address,
        uint256
    ) internal pure override {
        require(false, "Dividend_Tracker: No transfers allowed");
    }
    function withdrawDividend() public pure override {
        require(
            false,
            "Dividend_Tracker: withdrawDividend disabled. Use the 'claim' function on the main DogeKingToken contract."
        );
    }
    function excludeFromDividends(address account) external onlyOwner {
        require(!excludedFromDividends[account]);
        excludedFromDividends[account] = true;

        _setBalance(account, 0);
        tokenHoldersMap.remove(account);

        emit ExcludeFromDividends(account);
    }
    function isExcludedFromDividends(address account)
        public
        view
        returns (bool)
    {
        return excludedFromDividends[account];
    }
    function updateClaimWait(uint256 newClaimWait) external onlyOwner {
        require(
            newClaimWait >= 3600 && newClaimWait <= 86400,
            "Dividend_Tracker: claimWait must be updated to between 1 and 24 hours"
        );
        require(
            newClaimWait != claimWait,
            "Dividend_Tracker: Cannot update claimWait to same value"
        );
        emit ClaimWaitUpdated(newClaimWait, claimWait);
        claimWait = newClaimWait;
    }
    function updateMinimumTokenBalanceForDividends(uint256 amount)
        external
        onlyOwner
    {
        minimumTokenBalanceForDividends = amount;
    }
    function getLastProcessedIndex() external view returns (uint256) {
        return lastProcessedIndex;
    }
    function getNumberOfTokenHolders() external view returns (uint256) {
        return tokenHoldersMap.keys.length;
    }
    function getAccount(address _account)
        public
        view
        returns (
            address account,
            int256 index,
            int256 iterationsUntilProcessed,
            uint256 withdrawableDividends,
            uint256 totalDividends,
            uint256 lastClaimTime,
            uint256 nextClaimTime,
            uint256 secondsUntilAutoClaimAvailable
        )
    {
        account = _account;
        index = tokenHoldersMap.getIndexOfKey(account);
        iterationsUntilProcessed = -1;
        if (index >= 0) {
            if (uint256(index) > lastProcessedIndex) {
                iterationsUntilProcessed = index.sub(
                    int256(lastProcessedIndex)
                );
            } else {
                uint256 processesUntilEndOfArray = tokenHoldersMap.keys.length >
                    lastProcessedIndex
                    ? tokenHoldersMap.keys.length.sub(lastProcessedIndex)
                    : 0;
                iterationsUntilProcessed = index.add(
                    int256(processesUntilEndOfArray)
                );
            }
        }
        withdrawableDividends = withdrawableDividendOf(account);
        totalDividends = accumulativeDividendOf(account);
        lastClaimTime = lastClaimTimes[account];
        nextClaimTime = lastClaimTime > 0 ? lastClaimTime.add(claimWait) : 0;
        secondsUntilAutoClaimAvailable = nextClaimTime > block.timestamp
            ? nextClaimTime.sub(block.timestamp)
            : 0;
    }
    function getAccountAtIndex(uint256 index)
        public
        view
        returns (
            address,
            int256,
            int256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        if (index >= tokenHoldersMap.size()) {
            return (address(0), -1, -1, 0, 0, 0, 0, 0);
        }
        address account = tokenHoldersMap.getKeyAtIndex(index);
        return getAccount(account);
    }
    function canAutoClaim(uint256 lastClaimTime) private view returns (bool) {
        if (lastClaimTime > block.timestamp) {
            return false;
        }
        return block.timestamp.sub(lastClaimTime) >= claimWait;
    }
    function setBalance(address payable account, uint256 newBalance)
        external
        onlyOwner
    {
        if (excludedFromDividends[account]) {
            return;
        }
        if (newBalance >= minimumTokenBalanceForDividends) {
            _setBalance(account, newBalance);
            tokenHoldersMap.set(account, newBalance);
        } else {
            _setBalance(account, 0);
            tokenHoldersMap.remove(account);
        }
        processAccount(account, true);
    }
    function process(uint256 gas)
        public
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 numberOfTokenHolders = tokenHoldersMap.keys.length;
        if (numberOfTokenHolders == 0) {
            return (0, 0, lastProcessedIndex);
        }
        uint256 _lastProcessedIndex = lastProcessedIndex;
        uint256 gasUsed = 0;
        uint256 gasLeft = gasleft();
        uint256 iterations = 0;
        uint256 claims = 0;
        while (gasUsed < gas && iterations < numberOfTokenHolders) {
            _lastProcessedIndex++;
            if (_lastProcessedIndex >= tokenHoldersMap.keys.length) {
                _lastProcessedIndex = 0;
            }
            address account = tokenHoldersMap.keys[_lastProcessedIndex];
            if (canAutoClaim(lastClaimTimes[account])) {
                if (processAccount(payable(account), true)) {
                    claims++;
                }
            }
            iterations++;
            uint256 newGasLeft = gasleft();
            if (gasLeft > newGasLeft) {
                gasUsed = gasUsed.add(gasLeft.sub(newGasLeft));
            }
            gasLeft = newGasLeft;
        }
        lastProcessedIndex = _lastProcessedIndex;
        return (iterations, claims, lastProcessedIndex);
    }
    function processAccount(address payable account, bool automatic)
        public
        onlyOwner
        returns (bool)
    {
        uint256 amount = _withdrawDividendOfUser(account);
        if (amount > 0) {
            lastClaimTimes[account] = block.timestamp;
            emit Claim(account, amount, automatic);
            return true;
        }
        return false;
    }
}

ERC20.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./IERC20Metadata.sol";
import "./Context.sol";
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;
    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 transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }
    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;
        _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: 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;
        }
        _totalSupply -= amount;

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

        _afterTokenTransfer(account, address(0), amount);
    }
    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 _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

ERC20Upgradeable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20Upgradeable.sol";
import "./IERC20MetadataUpgradeable.sol";
import "./ContextUpgradeable.sol";
import "./Initializable.sol";
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;
    function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
        __Context_init_unchained();
        __ERC20_init_unchained(name_, symbol_);
    }
    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
        _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 transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        _beforeTokenTransfer(sender, recipient, amount);
        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        _afterTokenTransfer(sender, recipient, amount);
    }
    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;
        _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: 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;
        }
        _totalSupply -= amount;
        emit Transfer(account, address(0), amount);
        _afterTokenTransfer(account, address(0), amount);
    }
    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 _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    uint256[45] private __gap;
}

IERC20.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
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);
}

IERC20Metadata.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20.sol";
interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

IERC20MetadataUpgradeable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20Upgradeable.sol";
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

IERC20Upgradeable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IERC20Upgradeable {
    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);
}

Initializable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Initializable {
    bool private _initialized;
    bool private _initializing;
    modifier initializer() {
        require(_initializing || !_initialized, "Initializable: contract is already initialized");
        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
        }
    }
}

IterableMapping.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
library IterableMapping {
    struct Map {
        address[] keys;
        mapping(address => uint256) values;
        mapping(address => uint256) indexOf;
        mapping(address => bool) inserted;
    }
    function get(Map storage map, address key) public view returns (uint256) {
        return map.values[key];
    }
    function getIndexOfKey(Map storage map, address key)
        public
        view
        returns (int256)
    {
        if (!map.inserted[key]) {
            return -1;
        }
        return int256(map.indexOf[key]);
    }
    function getKeyAtIndex(Map storage map, uint256 index)
        public
        view
        returns (address)
    {
        return map.keys[index];
    }
    function size(Map storage map) public view returns (uint256) {
        return map.keys.length;
    }
    function set(
        Map storage map,
        address key,
        uint256 val
    ) public {
        if (map.inserted[key]) {
            map.values[key] = val;
        } else {
            map.inserted[key] = true;
            map.values[key] = val;
            map.indexOf[key] = map.keys.length;
            map.keys.push(key);
        }
    }
    function remove(Map storage map, address key) public {
        if (!map.inserted[key]) {
            return;
        }
        delete map.inserted[key];
        delete map.values[key];
        uint256 index = map.indexOf[key];
        uint256 lastIndex = map.keys.length - 1;
        address lastKey = map.keys[lastIndex];
        map.indexOf[lastKey] = index;
        delete map.indexOf[key];
        map.keys[index] = lastKey;
        map.keys.pop();
    }
}

IUniswapV2Factory.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.5.0;
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;
}

IUniswapV2Pair.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);
    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 (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);
    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint 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 (uint);
    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);
    function MINIMUM_LIQUIDITY() external pure returns (uint);
    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 (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);
    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;
    function initialize(address, address) external;
}

IUniswapV2Router02.sol

// SPDX-License-Identifier: MIT
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,
        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 removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);
    function removeLiquidityETH(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountToken, uint256 amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountA, uint256 amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountToken, uint256 amountETH);
    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);
    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);
    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);
    function swapTokensForExactETH(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);
    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);
    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);
    function quote(
        uint256 amountA,
        uint256 reserveA,
        uint256 reserveB
    ) external pure returns (uint256 amountB);
    function getAmountOut(
        uint256 amountIn,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountOut);
    function getAmountIn(
        uint256 amountOut,
        uint256 reserveIn,
        uint256 reserveOut
    ) external pure returns (uint256 amountIn);
    function getAmountsOut(uint256 amountIn, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint256 liquidity,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint256 amountETH);
    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;
}

Ownable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./Context.sol";
abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    constructor() {
        _setOwner(_msgSender());
    }
    function owner() public view virtual returns (address) {
        return _owner;
    }
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }
    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

OwnableUpgradeable.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ContextUpgradeable.sol";
import "./Initializable.sol";
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    function __Ownable_init() internal initializer {
        __Context_init_unchained();
        __Ownable_init_unchained();
    }
    function __Ownable_init_unchained() internal initializer {
        _setOwner(_msgSender());
    }
    function owner() public view virtual returns (address) {
        return _owner;
    }
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }
    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
    uint256[49] private __gap;
}

SafeMath.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SafeMath {
    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 trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, 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 tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, 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 add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return 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;
        }
    }
}

SafeMathInt.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
library SafeMathInt {
    int256 private constant MIN_INT256 = int256(1) << 255;
    int256 private constant MAX_INT256 = ~(int256(1) << 255);
    function mul(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a * b;
        require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
        require((b == 0) || (c / b == a));
        return c;
    }
    function div(int256 a, int256 b) internal pure returns (int256) {
        require(b != -1 || a != MIN_INT256);
        return a / b;
    }
    function sub(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a - b;
        require((b >= 0 && c <= a) || (b < 0 && c > a));
        return c;
    }
    function add(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a + b;
        require((b >= 0 && c >= a) || (b < 0 && c < a));
        return c;
    }
    function abs(int256 a) internal pure returns (int256) {
        require(a != MIN_INT256);
        return a < 0 ? -a : a;
    }
    function toUint256Safe(int256 a) internal pure returns (uint256) {
        require(a >= 0);
        return uint256(a);
    }
}

SafeMathUint.sol

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;
library SafeMathUint {
    function toInt256Safe(uint256 a) internal pure returns (int256) {
        int256 b = int256(a);
        require(b >= 0);
        return b;
    }
}