Contract Source Code:

// SPDX-License-Identifier: MIT

pragma solidity 0.8.15;

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);
}

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 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 JigsawToken is ERC20, Ownable {
	using IterableMapping for IterableMapping.Map;

	IRouter public uniswapV2Router;
	address public immutable uniswapV2Pair;

    IterableMapping.Map private tokenHoldersMap;

	string private constant _name = "JigsawToken";
	string private constant _symbol = "JIGSAW";
	uint8 private constant _decimals = 18;

	bool public isTradingEnabled;
	uint256 private _tradingPausedTimestamp;

	// initialSupply
	uint256 constant initialSupply = 1000000000 * (10**18);

	// max wallet is 2.0% of initialSupply
	uint256 public maxWalletAmount = initialSupply * 200 / 10000;

	bool private _swapping;
	uint256 public minimumTokensBeforeSwap = 25000000 * (10**18);

    address public liquidityWallet;
	address public operationsWallet;
	address public jigsawWallet;

	struct CustomTaxPeriod {
		bytes23 periodName;
		uint8 blocksInPeriod;
		uint256 timeInPeriod;
		uint8 liquidityFeeOnBuy;
		uint8 liquidityFeeOnSell;
		uint8 operationsFeeOnBuy;
		uint8 operationsFeeOnSell;
		uint8 jigsawFeeOnBuy;
		uint8 jigsawFeeOnSell;
	}

	CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,1,1,2,2,3,3);

    uint256 private _launchStartTimestamp;
    uint256 private _launchBlockNumber;
	uint256 private constant _blockedTimeLimit = 172800;
	mapping (address => bool) private _isAllowedToTradeWhenDisabled;
	mapping (address => bool) private _feeOnSelectedWalletTransfers;
	mapping (address => bool) private _isExcludedFromFee;
	mapping (address => bool) private _isExcludedFromMaxWalletLimit;
	mapping (address => bool) private _isBlocked;
	mapping (address => bool) public automatedMarketMakerPairs;

	uint8 private _liquidityFee;
	uint8 private _operationsFee;
	uint8 private _jigsawFee;
	uint8 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, uint8 liquidityFee, uint8 operationsFee, uint8 jigsawFee);
	event CustomTaxPeriodChange(uint256 indexed newValue, uint256 indexed oldValue, string indexed taxType, bytes23 period);
	event BlockedAccountChange(address indexed holder, bool indexed status);
    event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
	event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
	event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
    event ExcludeFromFeesChange(address indexed account, bool isExcluded);
	event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
	event FeeOnSelectedWalletTransfersChange(address indexed account, bool newValue);
	event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
    event ClaimETHOverflow(uint256 amount);
	event FeesApplied(uint8 liquidityFee, uint8 operationsFee, uint8 jigsawFee, uint8 totalFee);

	constructor() ERC20(_name, _symbol) {
        liquidityWallet = owner();
        operationsWallet = owner();
	    jigsawWallet = owner();

		IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
		address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(
			address(this),
			_uniswapV2Router.WETH()
		);
		uniswapV2Router = _uniswapV2Router;
		uniswapV2Pair = _uniswapV2Pair;
		_setAutomatedMarketMakerPair(_uniswapV2Pair, true);

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

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

		_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
		_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
		_isExcludedFromMaxWalletLimit[address(this)] = true;
		_isExcludedFromMaxWalletLimit[owner()] = true;

		_mint(owner(), initialSupply);
	}

	receive() external payable {}

	// Setters
	function activateTrading() external onlyOwner {
		isTradingEnabled = true;
        if (_launchStartTimestamp == 0) {
            _launchStartTimestamp = block.timestamp;
            _launchBlockNumber = block.number;
        }
	}
	function deactivateTrading() external onlyOwner {
		isTradingEnabled = false;
	}
	function _setAutomatedMarketMakerPair(address pair, bool value) private {
        require(automatedMarketMakerPairs[pair] != value, "Jigsaw: Automated market maker pair is already set to that value");
        automatedMarketMakerPairs[pair] = value;
        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, "Jigsaw: Account is already the value of 'excluded'");
		_isExcludedFromFee[account] = excluded;
		emit ExcludeFromFeesChange(account, excluded);
	}
	function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromMaxWalletLimit[account] != excluded, "Jigsaw: Account is already the value of 'excluded'");
		_isExcludedFromMaxWalletLimit[account] = excluded;
		emit ExcludeFromMaxWalletChange(account, excluded);
	}
	function blockAccount(address account) external onlyOwner {
		require(!_isBlocked[account], "Jigsaw: Account is already blocked");
		require((block.timestamp - _launchStartTimestamp) < _blockedTimeLimit, "Jigsaw: Time to block accounts has expired");
		_isBlocked[account] = true;
		emit BlockedAccountChange(account, true);
	}
	function unblockAccount(address account) external onlyOwner {
		require(_isBlocked[account], "Jigsaw: Account is not blcoked");
		_isBlocked[account] = false;
		emit BlockedAccountChange(account, false);
	}
	function setWallets(address newLiquidityWallet, address newOperationsWallet, address newJigsawWallet) external onlyOwner {
		if(liquidityWallet != newLiquidityWallet) {
			require(newLiquidityWallet != address(0), "Jigsaw: The liquidityWallet cannot be 0");
			emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
			liquidityWallet = newLiquidityWallet;
		}
		if(operationsWallet != newOperationsWallet) {
			require(newOperationsWallet != address(0), "Jigsaw: The operationsWallet cannot be 0");
			emit WalletChange('operationsWallet', newOperationsWallet, operationsWallet);
			operationsWallet = newOperationsWallet;
		}
		if(jigsawWallet != newJigsawWallet) {
			require(newJigsawWallet != address(0), "Jigsaw: The jigsawWallet cannot be 0");
			emit WalletChange('jigsawWallet', newJigsawWallet, jigsawWallet);
			jigsawWallet = newJigsawWallet;
		}
	}
	function setFeeOnSelectedWalletTransfers(address account, bool value) external onlyOwner {
		require(_feeOnSelectedWalletTransfers[account] != value, "Jigsaw: The selected wallet is already set to the value ");
		_feeOnSelectedWalletTransfers[account] = value;
		emit FeeOnSelectedWalletTransfersChange(account, value);
	}
	// Base Fees
	function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _operationsFeeOnBuy, uint8 _jigsawFeeOnBuy) external onlyOwner {
		_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _operationsFeeOnBuy, _jigsawFeeOnBuy);
		emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _operationsFeeOnBuy, _jigsawFeeOnBuy);
	}
	function setBaseFeesOnSell(uint8 _liquidityFeeOnSell,uint8 _operationsFeeOnSell, uint8 _jigsawFeeOnSell) external onlyOwner {
		_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _operationsFeeOnSell, _jigsawFeeOnSell);
		emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _operationsFeeOnSell, _jigsawFeeOnSell);
	}
	function setUniswapRouter(address newAddress) external onlyOwner {
		require(newAddress != address(uniswapV2Router), "Jigsaw: The router already has that address");
		emit UniswapV2RouterChange(newAddress, address(uniswapV2Router));
		uniswapV2Router = IRouter(newAddress);
	}
	function setMaxWalletAmount(uint256 newValue) external onlyOwner {
		require(newValue != maxWalletAmount, "Jigsaw: Cannot update maxWalletAmount to same value");
		emit MaxWalletAmountChange(newValue, maxWalletAmount);
		maxWalletAmount = newValue;
	}
	function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
		require(newValue != minimumTokensBeforeSwap, "Jigsaw: Cannot update minimumTokensBeforeSwap to same value");
		emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
		minimumTokensBeforeSwap = newValue;
	}
	function claimETHOverflow() external onlyOwner {
	    uint256 amount = address(this).balance;
        (bool success,) = address(owner()).call{value : amount}("");
        if (success){
            emit ClaimETHOverflow(amount);
        }
	}

	// Getters
	function getBaseBuyFees() external view returns (uint8, uint8, uint8){
		return (_base.liquidityFeeOnBuy, _base.operationsFeeOnBuy, _base.jigsawFeeOnBuy);
	}
	function getBaseSellFees() external view returns (uint8, uint8, uint8){
		return (_base.liquidityFeeOnSell, _base.operationsFeeOnSell, _base.jigsawFeeOnSell);
	}
	function getNumberOfTokenHolders() external view returns(uint256) {
        return tokenHoldersMap.keys.length;
    }
	function getTokenHolderAtIndex(uint256 accountIndex) external view returns(address) {
		if(accountIndex >= tokenHoldersMap.keys.length) {
			accountIndex = 0;
		}
		address account = tokenHoldersMap.keys[accountIndex];
        return account;
    }

	// 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, "Jigsaw: Trading is currently disabled.");
            require(!_isBlocked[to], "Jigsaw: Account is blocked");
            require(!_isBlocked[from], "Jigsaw: Account is blocked");
            if (!_isExcludedFromMaxWalletLimit[to]) {
                require((balanceOf(to) + amount) <= maxWalletAmount, "Jigsaw: Expected wallet amount exceeds the maxWalletAmount.");
            }
        }

        _adjustTaxes(isBuyFromLp, isSelltoLp, to, from);
        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 / 100;
            amount = amount - fee;
            super._transfer(from, address(this), fee);
        }

        super._transfer(from, to, amount);

		_setBalance(from, balanceOf(from));
        _setBalance(to, balanceOf(to));
	}
	function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, address to, address from) private {
		_liquidityFee = 0;
		_operationsFee = 0;
        _jigsawFee = 0;

		if (isBuyFromLp) {
            if (block.number - _launchBlockNumber <= 5) {
                _liquidityFee = 100;
            }
		    else {
                _liquidityFee = _base.liquidityFeeOnBuy;
                _operationsFee = _base.operationsFeeOnBuy;
                _jigsawFee = _base.jigsawFeeOnBuy;
            }
        }
	    if (isSelltoLp) {
	    	_liquidityFee = _base.liquidityFeeOnSell;
			_operationsFee = _base.operationsFeeOnSell;
            _jigsawFee = _base.jigsawFeeOnSell;
		}
		if (!isSelltoLp && !isBuyFromLp && (_feeOnSelectedWalletTransfers[from] || _feeOnSelectedWalletTransfers[to])) {
			_liquidityFee = _base.liquidityFeeOnSell;
			_operationsFee = _base.operationsFeeOnSell;
            _jigsawFee = _base.jigsawFeeOnSell;
		}
		_totalFee = _liquidityFee + _operationsFee + _jigsawFee;
		emit FeesApplied(_liquidityFee, _operationsFee, _jigsawFee, _totalFee);
	}
	function _setBalance(address account, uint256 newBalance) private {
        if(newBalance > 0) {
            tokenHoldersMap.set(account, newBalance);
        }
        else {
            tokenHoldersMap.remove(account);
        }
    }
	function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
		uint8 _liquidityFeeOnSell,
		uint8 _operationsFeeOnSell,
        uint8 _jigsawFeeOnSell
	) private {
		if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
			emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
			map.liquidityFeeOnSell = _liquidityFeeOnSell;
		}
		if (map.operationsFeeOnSell != _operationsFeeOnSell) {
			emit CustomTaxPeriodChange(_operationsFeeOnSell, map.operationsFeeOnSell, 'operationsFeeOnSell', map.periodName);
			map.operationsFeeOnSell = _operationsFeeOnSell;
		}
        if (map.jigsawFeeOnSell != _jigsawFeeOnSell) {
			emit CustomTaxPeriodChange(_jigsawFeeOnSell, map.jigsawFeeOnSell, 'jigsawFeeOnSell', map.periodName);
			map.jigsawFeeOnSell = _jigsawFeeOnSell;
		}
	}
	function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
		uint8 _liquidityFeeOnBuy,
		uint8 _operationsFeeOnBuy,
        uint8 _jigsawFeeOnBuy
		) private {
		if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
			emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
			map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
		}
		if (map.operationsFeeOnBuy != _operationsFeeOnBuy) {
			emit CustomTaxPeriodChange(_operationsFeeOnBuy, map.operationsFeeOnBuy, 'operationsFeeOnBuy', map.periodName);
			map.operationsFeeOnBuy = _operationsFeeOnBuy;
		}
		if (map.jigsawFeeOnBuy != _jigsawFeeOnBuy) {
			emit CustomTaxPeriodChange(_jigsawFeeOnBuy, map.jigsawFeeOnBuy, 'jigsawFeeOnBuy', map.periodName);
			map.jigsawFeeOnBuy = _jigsawFeeOnBuy;
		}
	}
	function _swapAndLiquify() private {
		uint256 contractBalance = balanceOf(address(this));
		uint256 initialETHBalance = address(this).balance;
		uint8 totalFeePrior = _totalFee;

		uint256 amountToLiquify = contractBalance * _liquidityFee / _totalFee / 2;
		uint256 amountToSwap = contractBalance - (amountToLiquify);

		_swapTokensForETH(amountToSwap);

		uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
		uint256 totalETHFee = _totalFee - (_liquidityFee / 2);

		uint256 amountETHLiquidity = ETHBalanceAfterSwap * _liquidityFee / totalETHFee / 2;
		uint256 amountETHOperations = ETHBalanceAfterSwap * _operationsFee / totalETHFee;
		uint256 amountETHJigsaw = ETHBalanceAfterSwap - (amountETHLiquidity + amountETHOperations);

        payable(operationsWallet).transfer(amountETHOperations);
        payable(jigsawWallet).transfer(amountETHJigsaw);

        if (amountToLiquify > 0) {
			_addLiquidity(amountToLiquify, amountETHLiquidity);
			emit SwapAndLiquify(amountToSwap, amountETHLiquidity, amountToLiquify);
		}

		_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
		);
	}
}