// SPDX-License-Identifier: MIT

pragma solidity 0.8.13;

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
	);
}

interface IFactory {
	function createPair(address tokenA, address tokenB)
	external
	returns (address pair);

	function getPair(address tokenA, address tokenB)
	external
	view
	returns (address pair);
}

interface IRouter {
	function factory() external pure returns (address);

	function WETH() external pure returns (address);

	function addLiquidityETH(
		address token,
		uint256 amountTokenDesired,
		uint256 amountTokenMin,
		uint256 amountETHMin,
		address to,
		uint256 deadline
	)
	external
	payable
	returns (
		uint256 amountToken,
		uint256 amountETH,
		uint256 liquidity
	);

	function swapExactETHForTokensSupportingFeeOnTransferTokens(
		uint256 amountOutMin,
		address[] calldata path,
		address to,
		uint256 deadline
	) external payable;

	function swapExactTokensForETHSupportingFeeOnTransferTokens(
		uint256 amountIn,
		uint256 amountOutMin,
		address[] calldata path,
		address to,
		uint256 deadline
	) external;
}

interface IERC20Metadata is IERC20 {
	function name() external view returns (string memory);
	function symbol() external view returns (string memory);
	function decimals() external view returns (uint8);
}

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);
}

library SafeMath {
	function add(uint256 a, uint256 b) internal pure returns (uint256) {
		uint256 c = a + b;
		require(c >= a, "SafeMath: addition overflow");

		return c;
	}

	function sub(uint256 a, uint256 b) internal pure returns (uint256) {
		return sub(a, b, "SafeMath: subtraction overflow");
	}

	function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
		require(b <= a, errorMessage);
		uint256 c = a - b;

		return c;
	}

	function mul(uint256 a, uint256 b) internal pure returns (uint256) {
		// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
		// benefit is lost if 'b' is also tested.
		// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
		if (a == 0) {
			return 0;
		}

		uint256 c = a * b;
		require(c / a == b, "SafeMath: multiplication overflow");

		return c;
	}

	function div(uint256 a, uint256 b) internal pure returns (uint256) {
		return div(a, b, "SafeMath: division by zero");
	}

	function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
		require(b > 0, errorMessage);
		uint256 c = a / b;
		// assert(a == b * c + a % b); // There is no case in which this doesn't hold

		return c;
	}

	function mod(uint256 a, uint256 b) internal pure returns (uint256) {
		return mod(a, b, "SafeMath: modulo by zero");
	}

	function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
		require(b != 0, errorMessage);
		return a % b;
	}
}

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;

		// Detect overflow when multiplying MIN_INT256 with -1
		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) {
		// Prevent overflow when dividing MIN_INT256 by -1
		require(b != -1 || a != MIN_INT256);

		// Solidity already throws when dividing by 0.
		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);
	}
}

library SafeMathUint {
	function toInt256Safe(uint256 a) internal pure returns (int256) {
		int256 b = int256(a);
		require(b >= 0);
		return b;
	}
}

library IterableMapping {
	struct Map {
		address[] keys;
		mapping(address => uint) values;
		mapping(address => uint) indexOf;
		mapping(address => bool) inserted;
	}

	function get(Map storage map, address key) public view returns (uint) {
		return map.values[key];
	}

	function getIndexOfKey(Map storage map, address key) public view returns (int) {
		if(!map.inserted[key]) {
			return -1;
		}
		return int(map.indexOf[key]);
	}

	function getKeyAtIndex(Map storage map, uint index) public view returns (address) {
		return map.keys[index];
	}

	function size(Map storage map) public view returns (uint) {
		return map.keys.length;
	}

	function set(Map storage map, address key, uint 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];

		uint index = map.indexOf[key];
		uint 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();
	}
}

abstract contract Context {
	function _msgSender() internal view virtual returns (address) {
		return msg.sender;
	}

	function _msgData() internal view virtual returns (bytes calldata) {
		this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
		return msg.data;
	}
}

contract Ownable is Context {
	address private _owner;

	event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

	constructor () {
		address msgSender = _msgSender();
		_owner = msgSender;
		emit OwnershipTransferred(address(0), msgSender);
	}

	function owner() public view returns (address) {
		return _owner;
	}

	modifier onlyOwner() {
		require(_owner == _msgSender(), "Ownable: caller is not the owner");
		_;
	}

	function renounceOwnership() public virtual onlyOwner {
		emit OwnershipTransferred(_owner, address(0));
		_owner = address(0);
	}

	function transferOwnership(address newOwner) public virtual onlyOwner {
		require(newOwner != address(0), "Ownable: new owner is the zero address");
		emit OwnershipTransferred(_owner, newOwner);
		_owner = newOwner;
	}
}

contract ERC20 is Context, IERC20, IERC20Metadata {
	using SafeMath for uint256;

	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);
		_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
		return true;
	}

	function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
		_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
		return true;
	}

	function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
		_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
		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);
		_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
		_balances[recipient] = _balances[recipient].add(amount);
		emit Transfer(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 = _totalSupply.add(amount);
		_balances[account] = _balances[account].add(amount);
		emit Transfer(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);
		_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
		_totalSupply = _totalSupply.sub(amount);
		emit Transfer(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 {}
}

contract DividendPayingToken is ERC20, Ownable, DividendPayingTokenInterface, DividendPayingTokenOptionalInterface {
	using SafeMath for uint256;
	using SafeMathUint for uint256;
	using SafeMathInt for int256;

	uint256 constant internal magnitude = 2**128;
	uint256 internal magnifiedDividendPerShare;
	uint256 public totalDividendsDistributed;
    address public rewardToken;

	mapping(address => int256) internal magnifiedDividendCorrections;
	mapping(address => uint256) internal withdrawnDividends;

	constructor(string memory _name, string memory _symbol) ERC20(_name, _symbol) {}

	receive() external payable {}

	function distributeDividendsUsingAmount(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);
		}
	}
    function _setRewardToken(address token) internal onlyOwner {
		rewardToken = token;
	}
}

contract KryptoPets is ERC20, Ownable {
	IRouter public uniswapV2Router;
	address public immutable uniswapV2Pair;

	string private constant _name = "Krypto Pets";
	string private constant _symbol = "KPETS";
	uint8 private constant _decimals = 18;

	KryptoPetsDividendTracker public dividendTracker;

	bool public isTradingEnabled;
	uint256 private _tradingPausedTimestamp;

	// initialSupply
	uint256 constant initialSupply = 1000000000000000000 * (10**18);

	// max wallet is 2% of initialSupply
	uint256 public maxWalletAmount = initialSupply * 200 / 10000;

    // max tx is 1% of initialSupply
	uint256 public maxTxAmount = initialSupply * 100 / 10000;

	bool private _swapping;
	uint256 public minimumTokensBeforeSwap = 25000000 * (10**18);

	address public liquidityWallet;
	address public devWallet;
	address public buyBackWallet;
    address public gamingWallet;

	struct CustomTaxPeriod {
		bytes23 periodName;
		uint8 blocksInPeriod;
		uint256 timeInPeriod;
		uint256 liquidityFeeOnBuy;
		uint256 liquidityFeeOnSell;
		uint256 devFeeOnBuy;
		uint256 devFeeOnSell;
		uint256 buyBackFeeOnBuy;
		uint256 buyBackFeeOnSell;
        uint256 gamingFeeOnBuy;
		uint256 gamingFeeOnSell;
		uint256 holdersFeeOnBuy;
		uint256 holdersFeeOnSell;
	}

	// Launch taxes
	uint256 private _launchTimestamp;
	uint256 private _launchBlockNumber;

    // Base taxes
	CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,100,100,550,550,200,200,150,150,200,200);

    mapping (address => bool) private _isAllowedToTradeWhenDisabled;
	mapping (address => bool) private _feeOnSelectedWalletTransfers;
	mapping (address => bool) private _isExcludedFromFee;
	mapping (address => bool) private _isExcludedFromMaxWalletLimit;
    mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
	mapping (address => bool) public automatedMarketMakerPairs;

	uint256 private _liquidityFee;
	uint256 private _devFee;
	uint256 private _buyBackFee;
    uint256 private _gamingFee;
	uint256 private _holdersFee;
	uint256 private _totalFee;

	event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
	event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
	event WalletChange(string indexed walletIdentifier, address indexed newWallet, address indexed oldWallet);
	event FeeChange(string indexed identifier, uint256 liquidityFee, uint256 devFee, uint256 buyBackFee, uint256 gamingFee, uint256 holdersFee);
	event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
	event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
    event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
    event ExcludeFromFeesChange(address indexed account, bool isExcluded);
	event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
    event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
    event FeeOnSelectedWalletTransfersChange(address indexed account, bool newValue);
	event DividendsSent(uint256 tokensSwapped);
	event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
    event ClaimETHOverflow(uint256 amount);
	event FeesApplied(uint256 liquidityFee, uint256 devFee, uint256 buyBackFee, uint256 gamingFee, uint256 holdersFee, uint256 totalFee);

	constructor() ERC20(_name, _symbol) {
        liquidityWallet = owner();
        devWallet = owner();
	    buyBackWallet = owner();
        gamingWallet = owner();

		dividendTracker = new KryptoPetsDividendTracker();
		dividendTracker.setRewardToken(address(this));

		IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Mainnet
		address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
			address(this),
			_uniswapV2Router.WETH()
		);
		uniswapV2Router = _uniswapV2Router;
		uniswapV2Pair = _uniswapV2Pair;
		_setAutomatedMarketMakerPair(_uniswapV2Pair, true);

		_isExcludedFromFee[owner()] = true;
		_isExcludedFromFee[address(this)] = true;
		_isExcludedFromFee[address(dividendTracker)] = true;

        _isAllowedToTradeWhenDisabled[owner()] = true;
		_isAllowedToTradeWhenDisabled[address(this)] = true;

		dividendTracker.excludeFromDividends(address(dividendTracker));
		dividendTracker.excludeFromDividends(address(this));
		dividendTracker.excludeFromDividends(address(0x000000000000000000000000000000000000dEaD));
		dividendTracker.excludeFromDividends(owner());
		dividendTracker.excludeFromDividends(address(_uniswapV2Router));

		_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
		_isExcludedFromMaxWalletLimit[address(dividendTracker)] = true;
		_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
		_isExcludedFromMaxWalletLimit[address(this)] = true;
		_isExcludedFromMaxWalletLimit[owner()] = true;

		_isExcludedFromMaxTransactionLimit[address(dividendTracker)] = true;
		_isExcludedFromMaxTransactionLimit[address(this)] = true;
		_isExcludedFromMaxTransactionLimit[owner()] = true;

		_mint(owner(), initialSupply);
	}

	receive() external payable {}

	// Setters
	function activateTrading() external onlyOwner {
		isTradingEnabled = true;
		if (_launchTimestamp == 0) {
			_launchTimestamp = block.timestamp;
			_launchBlockNumber = block.number;
		}
	}
	function deactivateTrading() external onlyOwner {
		isTradingEnabled = false;
	}
	function _setAutomatedMarketMakerPair(address pair, bool value) private {
		require(automatedMarketMakerPairs[pair] != value, "KryptoPets: Automated market maker pair is already set to that value");
		automatedMarketMakerPairs[pair] = value;
		if(value) {
			dividendTracker.excludeFromDividends(pair);
		}
		emit AutomatedMarketMakerPairChange(pair, value);
	}
    function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
		_isAllowedToTradeWhenDisabled[account] = allowed;
		emit AllowedWhenTradingDisabledChange(account, allowed);
	}
	function excludeFromFees(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromFee[account] != excluded, "KryptoPets: Account is already the value of 'excluded'");
		_isExcludedFromFee[account] = excluded;
		emit ExcludeFromFeesChange(account, excluded);
	}
	function excludeFromDividends(address account) external onlyOwner {
		dividendTracker.excludeFromDividends(account);
	}
	function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromMaxWalletLimit[account] != excluded, "KryptoPets: Account is already the value of 'excluded'");
		_isExcludedFromMaxWalletLimit[account] = excluded;
		emit ExcludeFromMaxWalletChange(account, excluded);
	}
	function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromMaxTransactionLimit[account] != excluded, "KryptoPets: Account is already the value of 'excluded'");
		_isExcludedFromMaxTransactionLimit[account] = excluded;
		emit ExcludeFromMaxTransferChange(account, excluded);
	}
	function setWallets(address newLiquidityWallet, address newDevWallet, address newBuyBackWallet, address newGamingWallet) external onlyOwner {
		if(liquidityWallet != newLiquidityWallet) {
			require(newLiquidityWallet != address(0), "KryptoPets: The liquidityWallet cannot be 0");
			emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
			liquidityWallet = newLiquidityWallet;
		}
		if(devWallet != newDevWallet) {
			require(newDevWallet != address(0), "KryptoPets: The devWallet cannot be 0");
			emit WalletChange('devWallet', newDevWallet, devWallet);
			devWallet = newDevWallet;
		}
		if(buyBackWallet != newBuyBackWallet) {
			require(newBuyBackWallet != address(0), "KryptoPets: The buyBackWallet cannot be 0");
			emit WalletChange('buyBackWallet', newBuyBackWallet, buyBackWallet);
			buyBackWallet = newBuyBackWallet;
		}
        if(gamingWallet != newGamingWallet) {
			require(newGamingWallet != address(0), "KryptoPets: The gamingWallet cannot be 0");
			emit WalletChange('gamingWallet', newGamingWallet, gamingWallet);
			gamingWallet = newGamingWallet;
		}
	}
	// Base Fees
	function setBaseFeesOnBuy(uint256 _liquidityFeeOnBuy, uint256 _devFeeOnBuy, uint256 _buyBackFeeOnBuy, uint256 _gamingFeeOnBuy, uint256 _holdersFeeOnBuy) external onlyOwner {
		_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _gamingFeeOnBuy, _holdersFeeOnBuy);
		emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _devFeeOnBuy, _buyBackFeeOnBuy, _gamingFeeOnBuy, _holdersFeeOnBuy);
	}
	function setBaseFeesOnSell(uint256 _liquidityFeeOnSell, uint256 _devFeeOnSell, uint256 _buyBackFeeOnSell, uint256 _gamingFeeOnSell, uint256 _holdersFeeOnSell) external onlyOwner {
		_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _gamingFeeOnSell, _holdersFeeOnSell);
		emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _devFeeOnSell, _buyBackFeeOnSell, _gamingFeeOnSell, _holdersFeeOnSell);
	}
	function setUniswapRouter(address newAddress) external onlyOwner {
		require(newAddress != address(uniswapV2Router), "KryptoPets: The router already has that address");
		emit UniswapV2RouterChange(newAddress, address(uniswapV2Router));
		uniswapV2Router = IRouter(newAddress);
	}
	function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
		require(newValue != minimumTokensBeforeSwap, "KryptoPets: Cannot update minimumTokensBeforeSwap to same value");
		emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
		minimumTokensBeforeSwap = newValue;
	}
    function setFeeOnSelectedWalletTransfers(address account, bool value) external onlyOwner {
		require(_feeOnSelectedWalletTransfers[account] != value, "KryptoPets: The selected wallet is already set to the value ");
		_feeOnSelectedWalletTransfers[account] = value;
		emit FeeOnSelectedWalletTransfersChange(account, value);
	}
	function claim() external {
		dividendTracker.processAccount(payable(msg.sender), false);
	}
	function claimETHOverflow() external onlyOwner {
	    uint256 amount = address(this).balance;
        (bool success,) = address(owner()).call{value : amount}("");
        if (success){
            emit ClaimETHOverflow(amount);
        }
	}

	// Getters
	function getTotalDividendsDistributed() external view returns (uint256) {
		return dividendTracker.totalDividendsDistributed();
	}
	function getNumberOfDividendTokenHolders() external view returns(uint256) {
		return dividendTracker.getNumberOfTokenHolders();
	}
	function getBaseBuyFees() external view returns (uint256, uint256, uint256, uint256, uint256){
		return (_base.liquidityFeeOnBuy, _base.devFeeOnBuy, _base.buyBackFeeOnBuy, _base.gamingFeeOnBuy, _base.holdersFeeOnBuy);
	}
	function getBaseSellFees() external view returns (uint256, uint256, uint256, uint256, uint256){
		return (_base.liquidityFeeOnSell, _base.devFeeOnSell, _base.buyBackFeeOnSell, _base.gamingFeeOnSell, _base.holdersFeeOnSell);
	}

	// Main
	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;
			}

			bool isBuyFromLp = automatedMarketMakerPairs[from];
			bool isSelltoLp = automatedMarketMakerPairs[to];

		    if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
				require(isTradingEnabled, "KryptoPets: Trading is currently disabled.");
                if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
					require(amount <= maxTxAmount, "KryptoPets: Transfer amount exceeds the maxTxAmount.");
				}
				if (!_isExcludedFromMaxWalletLimit[to]) {
					require((balanceOf(to) + amount) <= maxWalletAmount, "KryptoPets: Expected wallet amount exceeds the maxWalletAmount.");
				}

			}

			_adjustTaxes(isBuyFromLp, isSelltoLp, from, to);
			bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;

			if (
				isTradingEnabled &&
				canSwap &&
				!_swapping &&
				_totalFee > 0 &&
				automatedMarketMakerPairs[to]
			) {
				_swapping = true;
				_swapAndLiquify();
				_swapping = false;
			}

			bool takeFee = !_swapping && isTradingEnabled;

			if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
				takeFee = false;
			}
			if (takeFee && _totalFee > 0) {
				uint256 fee = amount * _totalFee / 10000;
				amount = amount - fee;
				super._transfer(from, address(this), fee);
			}

			super._transfer(from, to, amount);

			try dividendTracker.setBalance(payable(from), balanceOf(from)) {} catch {}
			try dividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {}
	}
	function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, address from, address to) private {
        _liquidityFee = 0;
		_devFee = 0;
		_buyBackFee = 0;
        _gamingFee = 0;
		_holdersFee = 0;

		if (isBuyFromLp) {
            if ((block.number - _launchBlockNumber) <= 5) {
				_liquidityFee = 100;
			} else {
                _liquidityFee = _base.liquidityFeeOnBuy;
                _devFee = _base.devFeeOnBuy;
                _buyBackFee = _base.buyBackFeeOnBuy;
                _gamingFee = _base.gamingFeeOnBuy;
                _holdersFee = _base.holdersFeeOnBuy;
            }
		}
	    if (isSelltoLp) {
			_liquidityFee = _base.liquidityFeeOnSell;
			_devFee = _base.devFeeOnSell;
			_buyBackFee = _base.buyBackFeeOnSell;
			_gamingFee = _base.gamingFeeOnSell;
			_holdersFee = _base.holdersFeeOnSell;
		}
        if (!isSelltoLp && !isBuyFromLp && (_feeOnSelectedWalletTransfers[from] || _feeOnSelectedWalletTransfers[to])) {
			_liquidityFee = _base.liquidityFeeOnSell;
			_devFee = _base.devFeeOnSell;
			_buyBackFee = _base.buyBackFeeOnSell;
			_gamingFee = _base.gamingFeeOnSell;
			_holdersFee = _base.holdersFeeOnSell;
		}
		_totalFee = _liquidityFee + _devFee + _buyBackFee + _gamingFee + _holdersFee;
		emit FeesApplied(_liquidityFee, _devFee, _buyBackFee, _gamingFee, _holdersFee, _totalFee);
	}
	function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
		uint256 _liquidityFeeOnSell,
		uint256 _devFeeOnSell,
		uint256 _buyBackFeeOnSell,
        uint256 _gamingFeeOnSell,
		uint256 _holdersFeeOnSell
	) private {
		if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
			emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
			map.liquidityFeeOnSell = _liquidityFeeOnSell;
		}
		if (map.devFeeOnSell != _devFeeOnSell) {
			emit CustomTaxPeriodChange(_devFeeOnSell, map.devFeeOnSell, 'devFeeOnSell', map.periodName);
			map.devFeeOnSell = _devFeeOnSell;
		}
		if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
			emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
			map.buyBackFeeOnSell = _buyBackFeeOnSell;
		}
        if (map.gamingFeeOnSell != _gamingFeeOnSell) {
			emit CustomTaxPeriodChange(_gamingFeeOnSell, map.gamingFeeOnSell, 'gamingFeeOnSell', map.periodName);
			map.gamingFeeOnSell = _gamingFeeOnSell;
		}
		if (map.holdersFeeOnSell != _holdersFeeOnSell) {
			emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
			map.holdersFeeOnSell = _holdersFeeOnSell;
		}
	}
	function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
		uint256 _liquidityFeeOnBuy,
		uint256 _devFeeOnBuy,
		uint256 _buyBackFeeOnBuy,
        uint256 _gamingFeeOnBuy,
		uint256 _holdersFeeOnBuy
		) private {
		if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
			emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
			map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
		}
		if (map.devFeeOnBuy != _devFeeOnBuy) {
			emit CustomTaxPeriodChange(_devFeeOnBuy, map.devFeeOnBuy, 'devFeeOnBuy', map.periodName);
			map.devFeeOnBuy = _devFeeOnBuy;
		}
		if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
			emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
			map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
		}
        if (map.gamingFeeOnBuy != _gamingFeeOnBuy) {
			emit CustomTaxPeriodChange(_gamingFeeOnBuy, map.gamingFeeOnBuy, 'gamingFeeOnBuy', map.periodName);
			map.gamingFeeOnBuy = _gamingFeeOnBuy;
		}
		if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
			emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
			map.holdersFeeOnBuy = _holdersFeeOnBuy;
		}
	}
	function _swapAndLiquify() private {
		uint256 contractBalance = balanceOf(address(this));
		uint256 initialETHBalance = address(this).balance;

		uint256 totalFeePrior = _totalFee;
		uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
        uint256 amountForHolders = contractBalance * _holdersFee / _totalFee;
		uint256 amountToSwap = contractBalance - amountToLiquify - amountForHolders;

		_swapTokensForETH(amountToSwap);

		uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
		uint256 totalETHFee = _totalFee - (_liquidityFee / 2) - _holdersFee;
		uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
		uint256 amountETHDev = ETHBalanceAfterSwap * _devFee / totalETHFee;
		uint256 amountETHBuyBack = ETHBalanceAfterSwap * _buyBackFee / totalETHFee;
        uint256 amountETHGaming = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHDev + amountETHBuyBack);

		payable(devWallet).transfer(amountETHDev);
		payable(buyBackWallet).transfer(amountETHBuyBack);
        payable(gamingWallet).transfer(amountETHGaming);

		if (amountToLiquify > 0) {
			_addLiquidity(amountToLiquify, amountETHLiquidity);
			emit SwapAndLiquify(amountToSwap, amountETHLiquidity, amountToLiquify);
		}

        (bool success) = IERC20(address(this)).transfer(address(dividendTracker), amountForHolders);
		if(success) {
			dividendTracker.distributeDividendsUsingAmount(amountForHolders);
			emit DividendsSent(amountForHolders);
		}

		_totalFee = totalFeePrior;
	}
	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, // accept any amount of ETH
			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, // slippage is unavoidable
			0, // slippage is unavoidable
			liquidityWallet,
			block.timestamp
		);
	}
}

contract KryptoPetsDividendTracker is DividendPayingToken {
	using SafeMath for uint256;
	using SafeMathInt for int256;
	using IterableMapping for IterableMapping.Map;

	IterableMapping.Map private tokenHoldersMap;

	mapping (address => bool) public excludedFromDividends;
	mapping (address => uint256) public lastClaimTimes;
	uint256 public minimumTokenBalanceForDividends;

	event ExcludeFromDividends(address indexed account);
	event Claim(address indexed account, uint256 amount, bool indexed automatic);

	constructor() DividendPayingToken("KryptoPets_Dividend_Tracker", "KryptoPets_Dividend_Tracker") {
		minimumTokenBalanceForDividends = 0 * (10**18);
	}
    function setRewardToken(address token) external onlyOwner {
		_setRewardToken(token);
	}
	function _transfer(address, address, uint256) internal pure override {
		require(false, "KryptoPets_Dividend_Tracker: No transfers allowed");
	}
	function excludeFromDividends(address account) external onlyOwner {
		require(!excludedFromDividends[account]);
		excludedFromDividends[account] = true;
		_setBalance(account, 0);
		tokenHoldersMap.remove(account);
		emit ExcludeFromDividends(account);
	}
	function setTokenBalanceForDividends(uint256 newValue) external onlyOwner {
		require(minimumTokenBalanceForDividends != newValue, "KryptoPets_Dividend_Tracker: minimumTokenBalanceForDividends already the value of 'newValue'.");
		minimumTokenBalanceForDividends = newValue;
	}
	function getNumberOfTokenHolders() external view returns(uint256) {
		return tokenHoldersMap.keys.length;
	}
	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 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;
	}
}