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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./SharedStructs.sol";
import "./StandardToken.sol";
import "./LiquidityToken.sol";
import "./StandardTokenFactory.sol";
import "./LiquidityTokenFactory.sol";

contract CreateManage {
    struct feeInfo {
        uint256 normal;
        uint256 mint;
        uint256 burn;
        uint256 pause;
        uint256 blacklist;
        uint256 deflation;
    }

    address public owner;

    // address factory_address;
    address router_address;

    mapping(address => address[]) tokens;

    feeInfo public fee;
    StandardTokenFactory internal standardTokenFactory;
    LiquidityTokenFactory internal liquidityTokenFactory;

    event OwnerWithdrawSuccess(uint256 value);
    event CreateStandardSuccess(address);
    event setOwnerSucess(address);
    event createLiquditySuccess(address);
    event InitFeeSuccess();

    // constructor(address _owner, address factory_addr, address router_Addr) {
    constructor(
        address _owner,
        address router_Addr,
        StandardTokenFactory _standardTokenFactory,
        LiquidityTokenFactory _liquidityTokenFactory
    ) {
        owner = _owner;
        
        fee = feeInfo(100000000000000000,100000000000000000,100000000000000000,100000000000000000,100000000000000000,100000000000000000);


        // factory_address = factory_addr;
        router_address = router_Addr;

        standardTokenFactory = _standardTokenFactory;
        liquidityTokenFactory = _liquidityTokenFactory;

    }

    function setOwner(address newowner) public {
        require(msg.sender == owner, "Only manager can do it");
        owner = newowner;
        emit setOwnerSucess(owner);
    }

    function ownerWithdraw() public {
        require(msg.sender == owner, "Only manager can withdraw");
        address payable reciever = payable(owner);
        reciever.transfer(address(this).balance);
        // owner.transfer(address(this).balance);
        emit OwnerWithdrawSuccess(address(this).balance);
    }

    function initFee(feeInfo memory _fee) public {
        fee = _fee;
        emit InitFeeSuccess();
    }

    function calcFee(SharedStructs.status memory _state)
        internal
        view
        returns (uint256)
    {
        uint256 totalfee = fee.normal;

        if (_state.mintflag > 0) {
            totalfee = totalfee + fee.mint;
        }

        if (_state.burnflag > 0) {
            totalfee = totalfee + fee.burn;
        }

        if (_state.pauseflag > 0) {
            totalfee = totalfee + fee.pause;
        }

        if (_state.blacklistflag > 0) {
            totalfee = totalfee + fee.blacklist;
        }

        return totalfee;
    }

    /*
     * @notice Creates a new Presale contract and registers it in the PresaleFactory.sol.
     */

    function createStandard(
        address creator_,
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        uint256 tokenSupply_,
        SharedStructs.status memory _state
    ) public payable {
        require(msg.value >= calcFee(_state), "Balance is insufficent");

        StandardToken token = standardTokenFactory.deploy(
            creator_,
            name_,
            symbol_,
            decimals_,
            tokenSupply_,
            _state
        );

        tokens[address(creator_)].push(address(token));

        emit CreateStandardSuccess(address(token));
    }

    function createLiquidity(
        address creator_,
        address reciever,
        string memory name_,
        string memory symbol_,
        uint8 decimal_,
        uint256 supply,
        uint256 settingflag,
        uint256[4] memory fees,
        SharedStructs.status memory _state
    ) public payable {
        require(msg.value >= calcFee(_state), "Balance is insufficent");

        // LiquidityToken token = liquidityTokenFactory.deploy(
        //     router_address,
        //     creator_,
        //     reciever,
        //     name_,
        //     symbol_,
        //     decimal_,
        //     supply
        // );
        LiquidityToken token = new LiquidityToken(
            creator_,
            router_address,
            reciever,
            decimal_,
            supply,
            name_,
            symbol_
        );
        token.setFee(settingflag, fees);
        token.setStatus(_state);
        tokens[creator_].push(address(token));

        emit createLiquditySuccess(address(token));
    }

    function getBalance() public view returns (uint256) {
        return address(this).balance;
    }

    function getCreatedToken(address creater)
        public
        view
        returns (address[] memory)
    {
        return tokens[address(creater)];
    }
}
        

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./StandardToken.sol";
import "./LiquidityToken.sol";

contract LiquidityTokenFactory {
    function deploy(
        address router_address,
        address creator_,
        address reciever,
        string memory name_,
        string memory symbol_,
        uint8 decimal_,
        uint256 supply
    ) external returns (LiquidityToken) {
        return
            new LiquidityToken(
                creator_,
                router_address,
                reciever,
                decimal_,
                supply,
                name_,
                symbol_
            );
    }
}
          

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

library SharedStructs {
    struct status {
        uint256 mintflag;
        uint256 pauseflag;
        uint256 burnflag;
        uint256 blacklistflag;
    }
}
          

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./SharedStructs.sol";

contract StandardToken is Context, IERC20, IERC20Metadata {
    // address public owner;
    address public owner;

    string private _name;
    string private _symbol;
    uint8 private _decimals;
    uint256 private _totalSupply;

    uint256 public isstandard = 1;

    bool private _paused;
    SharedStructs.status public state;

    mapping(address => uint256) private _balances;

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

    mapping(address => bool) _blacklist;

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    modifier canMint() {
        require(state.mintflag > 0, "Mintable: Disabled Mint");
        _;
    }

    modifier canPause() {
        require(state.mintflag > 0, "Pausable: Disabled Pause");
        _;
    }

    modifier canBurn() {
        require(state.burnflag > 0, "Burnable: Disabled Burn");
        _;
    }

    modifier canBlacklist() {
        require(state.blacklistflag > 0, "Blacklist: Disabled Blacklist");
        _;
    }

    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    event BlacklistUpdated(address indexed user, bool value);
    event Paused(address account);
    event Unpaused(address account);

    /**
     * @dev Sets the values for {name}, {symbol} and {decimals}.
     *
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(
        address creator_,
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        uint256 tokenSupply_,
        SharedStructs.status memory _state
    ) {
        _name = name_;
        _symbol = symbol_;
        _decimals = decimals_;
        owner = creator_;

        state = _state;

        _mint(creator_, tokenSupply_);

        _paused = false;
    }

    function setStatus(SharedStructs.status memory _state) internal virtual {
        state = _state;
    }

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

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

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }

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

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

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

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

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    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"
        );
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

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

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

        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    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"
        );
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += 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 += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function mint(address account, uint256 amount)
        public
        virtual
        onlyOwner
        canMint
    {
        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);
    }

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

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

        uint256 accountBalance = _balances[_msgSender()];

        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");

        _balances[_msgSender()] = accountBalance - amount;
        _totalSupply -= amount;

        emit Transfer(_msgSender(), address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address _owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(_owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[_owner][spender] = amount;
        emit Approval(_owner, spender, amount);
    }

    function blacklistUpdate(address user, bool value)
        public
        virtual
        onlyOwner
        canBlacklist
    {
        // require(_owner == _msgSender(), "Only owner is allowed to modify blacklist.");
        _blacklist[user] = value;
        emit BlacklistUpdated(user, value);
    }

    function isBlackListed(address user)
        public
        view
        virtual
        canBlacklist
        returns (bool)
    {
        return _blacklist[user];
    }

    function paused() public view virtual canPause returns (bool) {
        return _paused;
    }

    function _pause() public virtual onlyOwner canPause whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    function _unpause() public virtual onlyOwner canPause whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address sender,
        address to,
        uint256 amount
    ) internal virtual {
        // require(sender != address(0), "ERC20: transfer from the zero address");
        // require(to != address(0), "ERC20: transfer to the zero address");
        require(amount >= 0, "ERC20: transfer to the zero address");

        if (state.blacklistflag > 0) {
            require(
                !isBlackListed(sender),
                "Token transfer refused. Receiver is on blacklist"
            );
            require(
                !isBlackListed(to),
                "Token transfer refused. Receiver is on blacklist"
            );
        }

        if (state.pauseflag > 0) {
            require(!paused(), "Token is Paused.");
        }
    }
}
          

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./StandardToken.sol";

contract StandardTokenFactory {
    function deploy(
        address creator_,
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        uint256 tokenSupply_,
        SharedStructs.status memory _state
    ) external returns (StandardToken) {
        return
            new StandardToken(
                creator_,
                name_,
                symbol_,
                decimals_,
                tokenSupply_,
                _state
            );
    }
}
          

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}
          

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

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

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

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

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./SharedStructs.sol";
import "../../interfaces/IUniswapV2Router02.sol";
import "../../interfaces/IUniswapV2Factory.sol";

contract LiquidityToken is Context, IERC20 {
    using Address for address;

    address payable public marketingAddress; // Marketing Address
    address public immutable deadAddress =
        0x000000000000000000000000000000000000dEaD;
    address public owner;
    address private manager;
    mapping(address => uint256) private _rOwned;
    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;

    mapping(address => bool) private _isExcludedFromFee;

    mapping(address => bool) private _isExcluded;
    address[] private _excluded;

    uint256 private constant MAX = type(uint256).max;
    uint256 private _tTotal;
    uint256 private _rTotal;
    uint256 private _tFeeTotal;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    bool private _paused;
    SharedStructs.status public state;

    mapping(address => bool) _blacklist;

    uint256 public _taxFee;
    uint256 private _previousTaxFee;

    uint256 public _liquidityFee;
    uint256 private _previousLiquidityFee;

    uint256 public marketingDivisor;

    uint256 public _maxTxAmount = 5000000 * 10**6 * 10**9;
    uint256 private minimumTokensBeforeSwap = 300000 * 10**6 * 10**9;
    uint256 private buyBackUpperLimit = 1 * 10**18;

    IUniswapV2Router02 public immutable UniswapRouter;
    address public immutable UniswapPair;

    bool inSwapAndLiquify;
    bool public swapAndLiquifyEnabled;
    bool public buyBackEnabled;

    uint256 public isstandard = 2;

    modifier onlyOwner() {
        require(owner == msg.sender, "Ownable: caller is not the creator");
        _;
    }

    modifier onlyManager() {
        require(manager == _msgSender(), "Manage:caller is not the manager");
        _;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */

    modifier canMint() {
        require(state.mintflag > 0, "Mintable: Disabled Mint");
        _;
    }

    modifier canPause() {
        require(state.mintflag > 0, "Pausable: Disabled Pause");
        _;
    }

    modifier canBurn() {
        require(state.burnflag > 0, "Burnable: Disabled Burn");
        _;
    }

    modifier canBlacklist() {
        require(state.blacklistflag > 0, "Blacklist: Disabled Blacklist");
        _;
    }

    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    event BlacklistUpdated(address indexed user, bool value);
    event Paused(address account);
    event Unpaused(address account);
    event BurnSuccess(uint256);
    event MintSuccess(uint256);

    event RewardLiquidityProviders(uint256 tokenAmount);
    event BuyBackEnabledUpdated(bool enabled);
    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
    );

    event SwapETHForTokens(uint256 amountIn, address[] path);

    event SwapTokensForETH(uint256 amountIn, address[] path);

    modifier lockTheSwap() {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor(
        address creator_,
        address unirouter,
        address reciever,
        uint8 decimal_,
        uint256 supply,
        string memory name_,
        string memory symbol_
    ) {
        _name = name_;
        _symbol = symbol_;
        _decimals = decimal_;

        IUniswapV2Router02 _UniswapRouter = IUniswapV2Router02(unirouter);
        UniswapPair = IUniswapV2Factory(_UniswapRouter.factory()).createPair(
            address(this),
            _UniswapRouter.WETH()
        );

        UniswapRouter = _UniswapRouter;
        manager = _msgSender();

        set(creator_, reciever, supply);

        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function set(
        address creator_,
        address reciever,
        uint256 supply
    ) private {
        marketingAddress = payable(reciever);
        owner = creator_;
        _tTotal = supply;
        _rTotal = (MAX - (MAX % supply));

        _rOwned[creator_] = _rTotal;

        buyBackEnabled = false;
        swapAndLiquifyEnabled = false;

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

        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function setStatus(SharedStructs.status memory _state)
        external
        onlyManager
    {
        state = _state;
    }

    function setFee(uint256 settingflag, uint256[4] memory fee)
        external
        onlyManager
    {
        if (settingflag != 0 && settingflag != 1) {
            swapAndLiquifyEnabled = true;
        }

        if (settingflag == 1 || settingflag == 2) {
            buyBackEnabled = true;
        }

        if (settingflag != 3) {
            _taxFee = fee[0];
            marketingDivisor = fee[1];
        }

        if (settingflag == 1 || settingflag == 2) {
            marketingDivisor = fee[2];
        }

        if (settingflag == 3 || settingflag == 4) {
            _liquidityFee = fee[3];
        }

        // if(settingflag != 0) {
        //    _holdersfee = fee[0];
        //     // _buybackFee = fee[1];
        // }

        _previousTaxFee = _taxFee;
        _previousLiquidityFee = _liquidityFee;
    }

    function mint(uint256 amount) public onlyOwner canMint {
        require(_tTotal + amount <= MAX, "exceeds limit");

        _beforeTokenTransfer(msg.sender, msg.sender, amount);

        _tTotal = _tTotal + amount;
        _tFeeTotal = _tFeeTotal + amount;

        // uint256 tAmount;

        // if (_isExcluded[account]) {
        //     _tOwned[account] = _tOwned[account].add(amount);
        // } else {
        //     tAmount = tokenFromReflection(_rOwned[account]);
        //     tAmount = tAmount.add(amount);
        //     _rOwned[account] = tokenFromReflection(tAmount);
        // }

        emit MintSuccess(amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function burn(uint256 amount) public onlyOwner canBurn {
        require(amount <= MAX, "exceeds limit");

        _beforeTokenTransfer(msg.sender, address(0), amount);

        _tTotal = _tTotal - amount;
        _tFeeTotal = _tFeeTotal + amount;

        emit BurnSuccess(amount);
    }

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        if (_isExcluded[account]) return _tOwned[account];
        return tokenFromReflection(_rOwned[account]);
    }

    function transfer(address recipient, uint256 amount)
        public
        override
        returns (bool)
    {
        _beforeTokenTransfer(msg.sender, recipient, amount);
        _transfer(msg.sender, recipient, amount);
        return true;
    }

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

    function approve(address spender, uint256 amount)
        public
        override
        returns (bool)
    {
        _beforeTokenTransfer(msg.sender, spender, amount);
        _approve(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public override returns (bool) {
        _beforeTokenTransfer(sender, recipient, amount);
        _transfer(sender, recipient, amount);
        require(
            amount <= _allowances[sender][msg.sender],
            "ERC20: transfer amount exceeds allowance"
        );
        _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        virtual
        returns (bool)
    {
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender] + addedValue
        );
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        virtual
        returns (bool)
    {
        require(
            subtractedValue <= _allowances[msg.sender][spender],
            "ERC20: decreased allowance below zero"
        );
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender] - subtractedValue
        );
        return true;
    }

    function isExcludedFromReward(address account) public view returns (bool) {
        return _isExcluded[account];
    }

    function totalFees() public view returns (uint256) {
        return _tFeeTotal;
    }

    function minimumTokensBeforeSwapAmount() public view returns (uint256) {
        return minimumTokensBeforeSwap;
    }

    function buyBackUpperLimitAmount() public view returns (uint256) {
        return buyBackUpperLimit;
    }

    function deliver(uint256 tAmount) public {
        _beforeTokenTransfer(msg.sender, msg.sender, tAmount);
        address sender = msg.sender;
        require(
            !_isExcluded[sender],
            "Excluded addresses cannot call this function"
        );
        (uint256 rAmount, , , , , ) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender] - rAmount;
        _rTotal = _rTotal - rAmount;
        _tFeeTotal = _tFeeTotal + tAmount;
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
        public
        view
        returns (uint256)
    {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        if (!deductTransferFee) {
            (uint256 rAmount, , , , , ) = _getValues(tAmount);
            return rAmount;
        } else {
            (, uint256 rTransferAmount, , , , ) = _getValues(tAmount);
            return rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount)
        public
        view
        returns (uint256)
    {
        require(
            rAmount <= _rTotal,
            "Amount must be less than total reflections"
        );
        uint256 currentRate = _getRate();
        return rAmount / currentRate;
    }

    function excludeFromReward(address account) public onlyOwner {
        require(!_isExcluded[account], "Account is already excluded");
        if (_rOwned[account] > 0) {
            _tOwned[account] = tokenFromReflection(_rOwned[account]);
        }
        _isExcluded[account] = true;
        _excluded.push(account);
    }

    function includeInReward(address account) external onlyOwner {
        require(_isExcluded[account], "Account is already excluded");
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_excluded[i] == account) {
                _excluded[i] = _excluded[_excluded.length - 1];
                _tOwned[account] = 0;
                _isExcluded[account] = false;
                _excluded.pop();
                break;
            }
        }
    }

    function _approve(
        address _owner,
        address spender,
        uint256 amount
    ) private {
        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 _transfer(
        address from,
        address to,
        uint256 amount
    ) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if (from != owner && to != owner) {
            require(
                amount <= _maxTxAmount,
                "Transfer amount exceeds the maxTxAmount."
            );
        }

        uint256 contractTokenBalance = balanceOf(address(this));
        bool overMinimumTokenBalance = contractTokenBalance >=
            minimumTokensBeforeSwap;

        if (!inSwapAndLiquify && swapAndLiquifyEnabled && to == UniswapPair) {
            if (overMinimumTokenBalance) {
                contractTokenBalance = minimumTokensBeforeSwap;
                swapTokens(contractTokenBalance);
            }
            uint256 balance = address(this).balance;
            if (buyBackEnabled && balance > uint256(1 * 10**18)) {
                if (balance > buyBackUpperLimit) balance = buyBackUpperLimit;

                buyBackTokens(balance / 100);
            }
        }

        bool takeFee = true;

        //if any account belongs to _isExcludedFromFee account then remove the fee
        if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
            takeFee = false;
        }

        _tokenTransfer(from, to, amount, takeFee);
    }

    function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
        uint256 initialBalance = address(this).balance;
        swapTokensForETH(contractTokenBalance);
        uint256 transferredBalance = address(this).balance - initialBalance;

        //Send to Marketing address
        transferToAddressETH(
            marketingAddress,
            (transferredBalance / _liquidityFee) * marketingDivisor
        );
    }

    function buyBackTokens(uint256 amount) private lockTheSwap {
        if (amount > 0) {
            swapETHForTokens(amount);
        }
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        // generate the Uniswap pair path of token -> wETH
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = UniswapRouter.WETH();

        _approve(address(this), address(UniswapRouter), tokenAmount);

        // make the swap
        UniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this), // The contract
            block.timestamp
        );

        emit SwapTokensForETH(tokenAmount, path);
    }

    function swapETHForTokens(uint256 amount) private {
        // generate the Uniswap pair path of token -> wETH
        address[] memory path = new address[](2);
        path[0] = UniswapRouter.WETH();
        path[1] = address(this);

        // make the swap
        UniswapRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{
            value: amount
        }(
            0, // accept any amount of Tokens
            path,
            deadAddress, // Burn address
            block.timestamp + 300
        );

        emit SwapETHForTokens(amount, path);
    }

    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
        // approve token transfer to cover all possible scenarios
        _approve(address(this), address(UniswapRouter), tokenAmount);

        // add the liquidity
        UniswapRouter.addLiquidityETH{value: ETHAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            owner,
            block.timestamp
        );
    }

    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 amount,
        bool takeFee
    ) private {
        if (!takeFee) removeAllFee();

        if (_isExcluded[sender] && !_isExcluded[recipient]) {
            _transferFromExcluded(sender, recipient, amount);
        } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
            _transferToExcluded(sender, recipient, amount);
        } else if (_isExcluded[sender] && _isExcluded[recipient]) {
            _transferBothExcluded(sender, recipient, amount);
        } else {
            _transferStandard(sender, recipient, amount);
        }

        if (!takeFee) restoreAllFee();
    }

    function _transferStandard(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tLiquidity
        ) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender] - rAmount;
        _rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
        _takeLiquidity(tLiquidity);
        // _reflectFee(rFee, tFee);
        _rOwned[marketingAddress] = _rOwned[marketingAddress]  + rFee;
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferToExcluded(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tLiquidity
        ) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender] - rAmount;
        _tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
        _rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
        _takeLiquidity(tLiquidity);
        //_reflectFee(rFee, tFee);
        _rOwned[marketingAddress] = _rOwned[marketingAddress]  + rFee;
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferFromExcluded(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tLiquidity
        ) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender] - tAmount;
        _rOwned[sender] = _rOwned[sender] - rAmount;
        _rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
        _takeLiquidity(tLiquidity);
        // _reflectFee(rFee, tFee);
        _rOwned[marketingAddress] = _rOwned[marketingAddress]  + rFee;
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferBothExcluded(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        (
            uint256 rAmount,
            uint256 rTransferAmount,
            uint256 rFee,
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tLiquidity
        ) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender] - tAmount;
        _rOwned[sender] = _rOwned[sender] - rAmount;
        _tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
        _rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
        _takeLiquidity(tLiquidity);
        // _reflectFee(rFee, tFee);
        _rOwned[marketingAddress] = _rOwned[marketingAddress]  + rFee;
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal - rFee;
        _tFeeTotal = _tFeeTotal + tFee;
    }

    function _getValues(uint256 tAmount)
        private
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        )
    {
        (
            uint256 tTransferAmount,
            uint256 tFee,
            uint256 tLiquidity
        ) = _getTValues(tAmount);
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
            tAmount,
            tFee,
            tLiquidity,
            _getRate()
        );
        return (
            rAmount,
            rTransferAmount,
            rFee,
            tTransferAmount,
            tFee,
            tLiquidity
        );
    }

    function _getTValues(uint256 tAmount)
        private
        view
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 tFee = calculateTaxFee(tAmount);
        uint256 tLiquidity = calculateLiquidityFee(tAmount);
        uint256 tTransferAmount = tAmount - tFee - tLiquidity;
        return (tTransferAmount, tFee, tLiquidity);
    }

    function _getRValues(
        uint256 tAmount,
        uint256 tFee,
        uint256 tLiquidity,
        uint256 currentRate
    )
        private
        pure
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        uint256 rAmount = tAmount * currentRate;
        uint256 rFee = tFee * currentRate;
        uint256 rLiquidity = tLiquidity * currentRate;
        uint256 rTransferAmount = rAmount - rFee - rLiquidity;
        return (rAmount, rTransferAmount, rFee);
    }

    function _getRate() private view returns (uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply / tSupply;
    }

    function _getCurrentSupply() private view returns (uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (
                _rOwned[_excluded[i]] > rSupply ||
                _tOwned[_excluded[i]] > tSupply
            ) return (_rTotal, _tTotal);
            rSupply = rSupply - _rOwned[_excluded[i]];
            tSupply = tSupply - _tOwned[_excluded[i]];
        }
        if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }

    function _takeLiquidity(uint256 tLiquidity) private {
        uint256 currentRate = _getRate();
        uint256 rLiquidity = tLiquidity * currentRate;
        _rOwned[address(this)] = _rOwned[address(this)] + rLiquidity;
        if (_isExcluded[address(this)])
            _tOwned[address(this)] = _tOwned[address(this)] + tLiquidity;
    }

    function calculateTaxFee(uint256 _amount) private view returns (uint256) {
        return (_amount * _taxFee) / (10**2);
    }

    function calculateLiquidityFee(uint256 _amount)
        private
        view
        returns (uint256)
    {
        return (_amount * _liquidityFee) / (10**2);
    }

    function removeAllFee() private {
        if (_taxFee == 0 && _liquidityFee == 0) return;

        _previousTaxFee = _taxFee;
        _previousLiquidityFee = _liquidityFee;

        _taxFee = 0;
        _liquidityFee = 0;
    }

    function restoreAllFee() private {
        _taxFee = _previousTaxFee;
        _liquidityFee = _previousLiquidityFee;
    }

    function isExcludedFromFee(address account) public view returns (bool) {
        return _isExcludedFromFee[account];
    }

    function excludeFromFee(address account) public onlyOwner {
        _isExcludedFromFee[account] = true;
    }

    function includeInFee(address account) public onlyOwner {
        _isExcludedFromFee[account] = false;
    }

    function blacklistUpdate(address user, bool value)
        public
        virtual
        onlyOwner
        canBlacklist
    {
        // require(_owner == msg.sender, "Only owner is allowed to modify blacklist.");
        _blacklist[user] = value;
        emit BlacklistUpdated(user, value);
    }

    function isBlackListed(address user)
        public
        view
        virtual
        canBlacklist
        returns (bool)
    {
        return _blacklist[user];
    }

    function paused() public view virtual canPause returns (bool) {
        return _paused;
    }

    function _pause() public virtual onlyOwner canPause whenNotPaused {
        _paused = true;
        emit Paused(msg.sender);
    }

    function _unpause() public virtual onlyOwner canPause whenPaused {
        _paused = false;
        emit Unpaused(msg.sender);
    }

    function _beforeTokenTransfer(
        address sender,
        address to,
        uint256 amount
    ) internal virtual {
        // require(sender != address(0), "ERC20: transfer from the zero address");
        // require(to != address(0), "ERC20: transfer to the zero address");
        require(amount >= 0, "ERC20: transfer to the zero address");

        if (state.blacklistflag > 0) {
            require(
                !isBlackListed(sender),
                "Token transfer refused. Receiver is on blacklist"
            );
            require(
                !isBlackListed(to),
                "Token transfer refused. Receiver is on blacklist"
            );
        }

        if (state.pauseflag > 0) {
            require(!paused(), "Token is Paused.");
        }
    }

    function transferToAddressETH(address payable recipient, uint256 amount)
        private
    {
        recipient.transfer(amount);
    }

    //to recieve ETH from UniswapRouter when swaping
    receive() external payable {}
}
          

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

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;
}
          

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

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);
}
          

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IUniswapV2Router01.sol";

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;
}