// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./imports/IBEP20.sol";
import "./imports/SafeBEP20.sol";
contract PoolStakingLock is Ownable, ReentrancyGuard {
    using SafeMath for uint256;
    using SafeBEP20 for IBEP20;
    // The address of retrostaking factory
    address public POOL_STAKING_FACTORY;
    // Whether a limit is set for users
    bool public hasUserLimit;
    // Whether a limit is set for Pool
    bool public hasPoolLimit;
    // Whether a HarvestLock
    bool public hasPoolHL;
    // Whether a WithdrawLock
    bool public hasPoolWL;
    // Whether it is initialized
    bool public isInitialized;
    // Accrued token per share
    uint256 public accTokenPerShare;
    // The block number when mining ends.
    uint256 public bonusEndBlock;
    // The block number when mining starts.
    uint256 public startBlock;
    // The block number of the last pool update
    uint256 public lastRewardBlock;
    // The pool limit (0 if none)
    uint256 public poolLimitPerUser;
    // The pool limit global staking (0 if none)
    uint256 public poolLimitGlobal;
    // The pool minimum limit for amount deposited
    uint256 public poolMinDeposit;
    // Tokens created per block.
    uint256 public rewardPerBlock;
    // Total locked up rewards
    uint256 public totalLockedUpRewards;
    // The precision factor
    uint256 public PRECISION_FACTOR;
    // Keep track of number of tokens staked in case the contract earns reflect fees
    uint256 public totalStaked = 0;
    // The reward token
    IBEP20 public rewardToken;
    // The staked token
    IBEP20 public stakedToken;
    // Info of each user that stakes tokens (stakedToken)
    mapping(address => UserInfo) public userInfo;
    struct UserInfo {
        uint256 amount; // How many staked tokens the user has provided
        uint256 rewardDebt; // Reward debt
        uint256 rewardLockedUp; //Reward locked up
    }
    event AdminTokenRecovery(address tokenRecovered, uint256 amount);
    event Deposit(address indexed user, uint256 amount);
    event EmergencyWithdraw(address indexed user, uint256 amount);
    event NewStartAndEndBlocks(uint256 startBlock, uint256 endBlock);
    event NewRewardPerBlock(uint256 rewardPerBlock);
    event NewPoolLimit(uint256 poolLimitPerUser);
    event RewardsStop(uint256 blockNumber);
    event Withdraw(address indexed user, uint256 amount);
    event Harvest(address indexed user, uint256 amount);
    constructor() {
        POOL_STAKING_FACTORY = msg.sender;
    }
    /*
     * @notice Initialize the contract
     * @param _stakedToken: staked token address
     * @param _rewardToken: reward token address
     * @param _rewardPerBlock: reward per block (in rewardToken)
     * @param _startBlock: start block
     * @param _bonusEndBlock: end block
     * @param _poolLimitPerUser: pool limit per user in stakedToken (if any, else 0)
     * @param _poolLimitGlobal: pool limit global in stakedToken (if any, else 0)
     * @param _poolMinDeposit: pool minimal limit for deposited amount
     * @param _poolHarvestLock: pool Harvest is locked (if true is enable, else false is disable)
     * @param _poolWithdrawLock: pool Withdraw is locked (if true is enable, else false is disable)
     * @param _admin: admin address with ownership
     */
    function initialize(
        IBEP20 _stakedToken,
        IBEP20 _rewardToken,
        uint256 _rewardPerBlock,
        uint256 _startBlock,
        uint256 _bonusEndBlock,
        uint256 _poolLimitPerUser,
        uint256 _poolLimitGlobal,
        uint256 _poolMinDeposit,
        bool _poolHarvestLock,
        bool _poolWithdrawLock,
        address _admin
    ) external {
        require(!isInitialized, "Already initialized");
        require(msg.sender == POOL_STAKING_FACTORY, "Not factory");
        // Make this contract initialized
        isInitialized = true;
        stakedToken = _stakedToken;
        rewardToken = _rewardToken;
        rewardPerBlock = _rewardPerBlock;
        startBlock = _startBlock;
        bonusEndBlock = _bonusEndBlock;
        if (_poolLimitPerUser > 0) {
            hasUserLimit = true;
            poolLimitPerUser = _poolLimitPerUser;
        }
        if (_poolLimitGlobal > 0) {
            hasPoolLimit = true;
            poolLimitGlobal = _poolLimitGlobal;
        }
        if (_poolMinDeposit > 0) {
            poolMinDeposit = _poolMinDeposit;
        }
        if (_poolHarvestLock) {
            hasPoolHL = true;
        }
        if (_poolWithdrawLock) {
            hasPoolWL = true;
        }
        uint256 decimalsRewardToken = uint256(rewardToken.decimals());
        require(decimalsRewardToken < 30, "Must be inferior to 30");
        PRECISION_FACTOR = uint256(10**(uint256(30).sub(decimalsRewardToken)));
        // Set the lastRewardBlock as the startBlock
        lastRewardBlock = startBlock;
        // Transfer ownership to the admin address who becomes owner of the contract
        transferOwnership(_admin);
    }
    /*
     * @notice Deposit staked tokens and collect reward tokens (if any)
     * @param _amount: amount to withdraw (in rewardToken)
     */
    function deposit(uint256 _amount) external nonReentrant {
        UserInfo storage user = userInfo[msg.sender];
        require(
            _getBlockNumber() < bonusEndBlock, 
            "Cannot deposit after the last reward block"
        );
        uint256 finalDepositAmount = 0;
        if (hasUserLimit) {
            require(
                _amount.add(user.amount) <= poolLimitPerUser,
                "User amount above limit"
            );
        }
        if (hasPoolLimit) {
            require(
                _amount.add(totalStaked) <= poolLimitGlobal,
                "Global amount above limit"
            );
        }
        require(
            user.amount + _amount >= poolMinDeposit,
            "Amount under limit"
        );
        _updatePool();
        if (user.amount > 0) {
            payOrLockupPending(user);
        }
        if (_amount > 0) {
            uint256 preStakeBalance = stakedToken.balanceOf(address(this));
            stakedToken.safeTransferFrom(
                address(msg.sender),
                address(this),
                _amount
            );
            finalDepositAmount = stakedToken.balanceOf(address(this)).sub(
                preStakeBalance
            );
            user.amount = user.amount.add(finalDepositAmount);
            totalStaked = totalStaked.add(finalDepositAmount);
        }
        _updateRewardDebt(user);
        emit Deposit(msg.sender, _amount);
    }
    /*
     * @notice Withdraw staked tokens and collect reward tokens
     * @param _amount: amount to withdraw (in rewardToken)
     */
    function withdraw(uint256 _amount) external nonReentrant {
        UserInfo storage user = userInfo[msg.sender];
        bool poolStatusWithdraw = poolWIsLock();
        require(user.amount >= _amount, "Amount to withdraw too high");
        _updatePool();
        // Withdraw pending AUTO
        payOrLockupPending(user);
        if (!poolStatusWithdraw) {
            if (_amount > 0) {
                stakedToken.safeTransfer(address(msg.sender), _amount);
                user.amount = user.amount.sub(_amount);
                totalStaked = totalStaked.sub(_amount);
            }
        } else {
            revert("Pool locked");
        }
        _updateRewardDebt(user);
        emit Withdraw(msg.sender, _amount);
    }
    function harvest() external nonReentrant {
        UserInfo storage user = userInfo[msg.sender];
        _updatePool();
        // Withdraw pending AUTO
        require(payOrLockupPending(user), "Harvests locked");
        _updateRewardDebt(user);
    }
    /*
     * @notice Withdraw staked tokens without caring about rewards
     * @dev Needs to be for emergency.
     */
    function emergencyWithdraw() external nonReentrant {
        UserInfo storage user = userInfo[msg.sender];
        uint256 amountToTransfer = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;
        if (amountToTransfer > 0) {
            stakedToken.safeTransfer(address(msg.sender), amountToTransfer);
            totalStaked = totalStaked.sub(amountToTransfer);
        }
        emit EmergencyWithdraw(msg.sender, user.amount);
    }
    function rewardBalance() public view returns (uint256) {
        uint256 balance = rewardToken.balanceOf(address(this));
        if (stakedToken == rewardToken) return balance.sub(totalStaked);
        return balance;
    }
    function totalStakeTokenBalance() public view returns (uint256) {
        if (stakedToken == rewardToken) return totalStaked;
        return stakedToken.balanceOf(address(this));
    }
    function poolHIsLock() public view returns (bool) {
        bool statusPool;
        if (hasPoolHL) {
            statusPool = bonusEndBlock >= _getBlockNumber();
            if (startBlock >= _getBlockNumber()) {
                statusPool = false;
            }
        }
        return statusPool;
    }
    function poolWIsLock() public view returns (bool) {
        bool statusPool;
        if (hasPoolWL) {
            statusPool = bonusEndBlock >= _getBlockNumber();
            if (startBlock >= _getBlockNumber()) {
                statusPool = false;
            }
        }
        return statusPool;
    }
    function poolChangeHLock(bool _value) public onlyOwner {
        hasPoolHL = _value;
    }
    function poolChangeWLock(bool _value) public onlyOwner {
        hasPoolWL = _value;
    }
    /*
     * @notice Stop rewards
     * @dev Only callable by owner. Needs to be for emergency.
     */
    function emergencyRewardWithdraw(uint256 _amount) external onlyOwner {
        require(_amount <= rewardBalance(), "not enough rewards");
        rewardToken.safeTransfer(address(msg.sender), _amount);
    }
    /**
     * @notice It allows the admin to recover wrong tokens sent to the contract
     * @param _tokenAddress: the address of the token to withdraw
     * @param _tokenAmount: the number of tokens to withdraw
     * @dev This function is only callable by admin.
     */
    function recoverWrongTokens(address _tokenAddress, uint256 _tokenAmount)
        external
        onlyOwner
    {
        require(
            _tokenAddress != address(stakedToken),
            "Cannot be staked token"
        );
        IBEP20(_tokenAddress).safeTransfer(address(msg.sender), _tokenAmount);
        emit AdminTokenRecovery(_tokenAddress, _tokenAmount);
    }
    /*
     * @notice Stop rewards
     * @dev Only callable by owner
     */
    function stopReward() external onlyOwner {
        bonusEndBlock = _getBlockNumber();
    }
    /*
     * @notice Update pool limit per user
     * @dev Only callable by owner.
     * @param _hasUserLimit: whether the limit remains forced
     * @param _poolLimitPerUser: new pool limit per user
     */
    function updatePoolLimitPerUser(
        bool _hasUserLimit,
        uint256 _poolLimitPerUser
    ) external onlyOwner {
        require(hasUserLimit, "Must be set");
        if (_hasUserLimit) {
            require(
                _poolLimitPerUser > poolLimitPerUser,
                "New limit must be higher"
            );
            poolLimitPerUser = _poolLimitPerUser;
        } else {
            hasUserLimit = _hasUserLimit;
            poolLimitPerUser = 0;
        }
        emit NewPoolLimit(poolLimitPerUser);
    }
    /*
     * @notice Update reward per block
     * @dev Only callable by owner.
     * @param _rewardPerBlock: the reward per block
     */
    function updateRewardPerBlock(uint256 _rewardPerBlock) external onlyOwner {
        require(_getBlockNumber() < startBlock, "Pool has started");
        rewardPerBlock = _rewardPerBlock;
        emit NewRewardPerBlock(_rewardPerBlock);
    }
    /**
     * @notice It allows the admin to update start and end blocks
     * @dev This function is only callable by owner.
     * @param _startBlock: the new start block
     * @param _bonusEndBlock: the new end block
     */
    function updateStartAndEndBlocks(
        uint256 _startBlock,
        uint256 _bonusEndBlock
    ) external onlyOwner {
        require(_getBlockNumber() < startBlock, "Pool has started");
        require(
            _startBlock < _bonusEndBlock,
            "New startBlock must be lower than new endBlock"
        );
        require(
            _getBlockNumber() < _startBlock,
            "New startBlock must be higher than current block"
        );
        startBlock = _startBlock;
        bonusEndBlock = _bonusEndBlock;
        // Set the lastRewardBlock as the startBlock
        lastRewardBlock = startBlock;
        emit NewStartAndEndBlocks(_startBlock, _bonusEndBlock);
    }
    /*
     * @notice View function to see pending reward on frontend.
     * @param _user: user address
     * @return Pending reward for a given user
     */
    function pendingReward(address _user) external view returns (uint256) {
        UserInfo storage user = userInfo[_user];
        uint256 stakedTokenSupply = totalStaked;
        if (_getBlockNumber() > lastRewardBlock && stakedTokenSupply != 0) {
            uint256 multiplier = _getMultiplier(lastRewardBlock, _getBlockNumber());
            uint256 reward = multiplier.mul(rewardPerBlock);
            uint256 adjustedTokenPerShare = accTokenPerShare.add(
                reward.mul(PRECISION_FACTOR).div(stakedTokenSupply)
            );
            uint256 pending = user
                .amount
                .mul(adjustedTokenPerShare)
                .div(PRECISION_FACTOR)
                .sub(user.rewardDebt);
            return pending.add(user.rewardLockedUp);
        } else {
            uint256 pending = user
                .amount
                .mul(accTokenPerShare)
                .div(PRECISION_FACTOR)
                .sub(user.rewardDebt);
            return pending.add(user.rewardLockedUp);
        }
    }
    function payOrLockupPending(UserInfo storage user) internal returns(bool) {
        bool poolStatusHarvest = poolHIsLock();
        uint256 pending = user
            .amount
            .mul(accTokenPerShare)
            .div(PRECISION_FACTOR)
            .sub(user.rewardDebt);
        uint256 totalRewards = pending.add(user.rewardLockedUp);
        if (!poolStatusHarvest) {
            if (totalRewards > 0) {
                // reset lockup
                totalLockedUpRewards = totalLockedUpRewards.sub(
                    user.rewardLockedUp
                );
                user.rewardLockedUp = 0;
                // send rewards
                uint256 currentRewardBalance = rewardBalance();
                if (currentRewardBalance > 0) {
                    if (totalRewards > currentRewardBalance) {
                        rewardToken.safeTransfer(
                            address(msg.sender),
                            currentRewardBalance
                        );
                        emit Harvest(msg.sender, currentRewardBalance);
                    } else {
                        rewardToken.safeTransfer(
                            address(msg.sender),
                            totalRewards
                        );
                        emit Harvest(msg.sender, totalRewards);
                    }
                }
            }
        } else if (pending > 0) {
            user.rewardLockedUp = user.rewardLockedUp.add(pending);
            totalLockedUpRewards = totalLockedUpRewards.add(pending);
        }
        return !poolStatusHarvest;
    }
    function _updateRewardDebt(UserInfo storage user) internal {
        user.rewardDebt = user.amount.mul(accTokenPerShare).div(
            PRECISION_FACTOR
        );
    }
    /*
     * @notice Update reward variables of the given pool to be up-to-date.
     */
    function _updatePool() internal {
        if (_getBlockNumber() <= lastRewardBlock) {
            return;
        }
        uint256 stakedTokenSupply = totalStaked;
        if (stakedTokenSupply == 0) {
            lastRewardBlock = _getBlockNumber();
            return;
        }
        uint256 multiplier = _getMultiplier(lastRewardBlock, _getBlockNumber());
        uint256 reward = multiplier.mul(rewardPerBlock);
        accTokenPerShare = accTokenPerShare.add(
            reward.mul(PRECISION_FACTOR).div(stakedTokenSupply)
        );
        lastRewardBlock = _getBlockNumber();
    }
    /*
     * @notice Return reward multiplier over the given _from to _to block.
     * @param _from: block to start
     * @param _to: block to finish
     */
    function _getMultiplier(uint256 _from, uint256 _to)
        internal
        view
        returns (uint256)
    {
        if (_to <= bonusEndBlock) {
            return _to.sub(_from);
        } else if (_from >= bonusEndBlock) {
            return 0;
        } else {
            return bonusEndBlock.sub(_from);
        }
    }
    function _getBlockNumber() internal view virtual returns(uint256) {
        return block.number;
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }
    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)
pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }
    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }
    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // 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 (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }
    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }
    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }
    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }
    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }
    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }
    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }
    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }
    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }
    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.
    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;
    uint256 private _status;
    constructor() {
        _status = _NOT_ENTERED;
    }
    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
        _;
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }
    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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
pragma solidity >=0.8.0;
interface IBEP20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);
    /**
     * @dev Returns the token decimals.
     */
    function decimals() external view returns (uint8);
    /**
     * @dev Returns the token symbol.
     */
    function symbol() external view returns (string memory);
    /**
     * @dev Returns the token name.
     */
    function name() external view returns (string memory);
    /**
     * @dev Returns the bep token owner.
     */
    function getOwner() external view returns (address);
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
        address recipient,
        uint256 amount
    ) external returns (bool);
    /**
     * @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
    );
}pragma solidity >=0.8.0;
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./IBEP20.sol";
/**
 * @title SafeBEP20
 * @dev Wrappers around BEP20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeBEP20 for IBEP20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeBEP20 {
    using SafeMath for uint256;
    using Address for address;
    function safeTransfer(
        IBEP20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(token.transfer.selector, to, value)
        );
    }
    function safeTransferFrom(
        IBEP20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(token.transferFrom.selector, from, to, value)
        );
    }
    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IBEP20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IBEP20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeBEP20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(token.approve.selector, spender, value)
        );
    }
    function safeIncreaseAllowance(
        IBEP20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(
            value
        );
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(
                token.approve.selector,
                spender,
                newAllowance
            )
        );
    }
    function safeDecreaseAllowance(
        IBEP20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(
            value,
            "SafeBEP20: decreased allowance below zero"
        );
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(
                token.approve.selector,
                spender,
                newAllowance
            )
        );
    }
    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IBEP20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.
        bytes memory returndata = address(token).functionCall(
            data,
            "SafeBEP20: low-level call failed"
        );
        if (returndata.length > 0) {
            // Return data is optional
            // solhint-disable-next-line max-line-length
            require(
                abi.decode(returndata, (bool)),
                "SafeBEP20: BEP20 operation did not succeed"
            );
        }
    }
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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;
    }
}

/**
 * author: BlockCzech R&D Lab <[email protected]>
 * 
 * 
 *░░████████╗░█████╗░░██████╗░░░░█████╗░░█████╗░██╗███╗░░██╗░░██████╗░░░░░█████╗░░░
 *░░╚══██╔══╝██╔══██╗██╔════╝░░░██╔══██╗██╔══██╗██║████╗░██║░░╚════██╗░░░██╔══██╗░░
 *░░░░░██║░░░██║░░╚═╝██║░░██╗░░░██║░░╚═╝██║░░██║██║██╔██╗██║░░░░███╔═╝░░░██║░░██║░░
 *░░░░░██║░░░██║░░██╗██║░░╚██╗░░██║░░██╗██║░░██║██║██║╚████║░░██╔══╝░░░░░██║░░██║░░
 *░░░░░██║░░░╚█████╔╝╚██████╔╝░░╚█████╔╝╚█████╔╝██║██║░╚███║░░███████╗██╗╚█████╔╝░░
 *░░░░░╚═╝░░░░╚════╝░░╚═════╝░░░░╚════╝░░╚════╝░╚═╝╚═╝░░╚══╝░░╚══════╝╚═╝░╚════╝░░░
 *
 * 
 * The TCGCoin20 [ETH] is based on the Automatic Liquidity Pool & Custom Fees Architecture.
 *
 * 
 * SPDX-License-Identifier: MIT
 * 
 */

pragma solidity 0.8.11;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

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

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

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

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

    function INIT_CODE_PAIR_HASH() external view returns (bytes32);
}

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

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);

    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);

    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);

    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

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

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);
    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);
    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);
    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);
    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;
    function initialize(address, address) external;
}

library SafeMath {

    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // 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 (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

contract Ownable is Context {
    address private _owner;
    address private _previousOwner;
    uint256 private _lockTime;

    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;
    }

    function getUnlockTime() public view returns (uint256) {
        return _lockTime;
    }

    function lock(uint256 time) public virtual onlyOwner {
        _previousOwner = _owner;
        _owner = address(0);
        _lockTime = block.timestamp + time;
        emit OwnershipTransferred(_owner, address(0));
    }

    function unlock() public virtual {
        require(_previousOwner == msg.sender, "You don't have permission to unlock");
        require(block.timestamp > _lockTime , "Contract is locked until 7 days");
        emit OwnershipTransferred(_owner, _previousOwner);
        _owner = _previousOwner;
    }
}

library Address {

    function isContract(address account) internal view returns (bool) {
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

        function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    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");
    }

    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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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);
}


contract ethTCGCoin20 is Context, IERC20, Ownable {
    using Address for address;
    using SafeMath for uint256;

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

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

    mapping (address => bool) private _isDEXBuyFee;
    mapping (address => bool) private _isDEXSellFee;

    uint256 private constant MAX = ~uint256(0);
    uint256 private _takeTotal = 280 * 10**6 * 10**9;
    uint256 private _reflectTotal = (MAX - (MAX % _takeTotal));
    uint256 private _takeFeeTotal;

    string private constant _name = "TCG 2.0 ETH";
    string private constant _symbol = "ethTCG2";
    uint8 private constant _decimals = 9;

    bool public _taxFeeFlag = false;

    uint256 public _taxFee = 0;
    uint256 private _previousTaxFee = _taxFee;

    uint256 public _liquidityFee = 10;
    uint256 private _previousLiquidityFee = _liquidityFee;

    uint256 public _liquiditySellFee = 10;
    uint256 private _previousLiquiditySellFee = _liquiditySellFee;


    IUniswapV2Router02 public uniswapRouter;
    address public uniswapPair;

    bool public isIntoLiquifySwap;
    bool public swapAndLiquifyEnabled = true;

    uint256 private _maxLoopCount = 100;


    uint256 public _maximumValueOfTransaction = 280 * 10**6 * 10**9 ;
    uint256 public numTokensSellToAddToLiquidity = 10 * 10**9 ;

    event SwapAndLiquifyEvent(
        uint256 coinsForSwapping,
        uint256 bnbIsReceived,
        uint256 coinsThatWasAddedIntoLiquidity
    );

    event LiquifySwapUpdatedEnabled(bool enabled);
    event SetTaxFeePercent(uint value);
    event SetTaxFeeFlag(bool flag);
    event SetMaxLoopCount(uint value);
    event SetMaxTxPercent(uint value);
    event SetLiquidityFeePercent(uint value);
    event SetSellFeeLiquidity(uint value);
    event ExcludedFromFee(address _address);
    event IncludeInFee(address _address);
    event ETHReceived(address _address);
    event Delivery(address _address,  uint256 amount);
    event AddLiquidity(uint256 coin_amount, uint256 bnb_amount);
    event SwapAndLiquifyEnabled(bool flag);
    event RouterSet(address indexed router);


    modifier lockSwaping {
        isIntoLiquifySwap = true;
        _;
        isIntoLiquifySwap = false;
    }

    constructor () {
        _reflectOwned[_msgSender()] = _reflectTotal;
	    _setRouterAddress(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D,0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f);	
        
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        emit Transfer(address(0), _msgSender(), _takeTotal);
    }
    
    function _setRouterAddressByOwner(address router, address factory) external onlyOwner() {
        _setRouterAddress(router, factory);
    }

    function _setRouterAddress(address router, address factory) private {

        IUniswapV2Router02 _uniswapRouter = IUniswapV2Router02(router);

        uniswapPair = IUniswapV2Factory(_uniswapRouter.factory())
            .createPair(address(this), _uniswapRouter.WETH());

        uniswapRouter = _uniswapRouter;
        
        address payable _pancakeFactory = payable(factory);
        _isExcludedFromFee[_pancakeFactory] = true;
        
        emit RouterSet(router);
    }
    
    function _isV2Pair(address account) internal view returns(bool){
        return (account == uniswapPair);
    }



    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ BEP20 functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function name() external pure returns (string memory) {
        return _name;
    }

    function symbol() external pure returns (string memory) {
        return _symbol;
    }

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

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

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

    function transfer(address recipient, uint256 amount) external override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    function approve(address spender, uint256 amount) external override returns (bool) {
        _approve(_msgSender(), spender, amount);

        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "BEP20: transfer amount exceeds allowance"));

        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));

        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "BEP20: decreased allowance below zero"));

        return true;
    }


    function _getCurrentSupply() private view returns(uint256, uint256) {
        require(_excluded.length <= _maxLoopCount, "The number of loop iterations in _getCurrentSupply is greater than the allowed value.");

        uint256 rSupply = _reflectTotal;
        uint256 tSupply = _takeTotal;
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_reflectOwned[_excluded[i]] > rSupply || _takeOwned[_excluded[i]] > tSupply) return (_reflectTotal, _takeTotal);
            rSupply = rSupply.sub(_reflectOwned[_excluded[i]]);
            tSupply = tSupply.sub(_takeOwned[_excluded[i]]);
        }
        if (rSupply < _reflectTotal.div(_takeTotal)) return (_reflectTotal, _takeTotal);

        return (rSupply, tSupply);
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "BEP20: approve from the zero address");
        require(spender != address(0), "BEP20: approve to the zero address");

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

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Setter functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
        emit SetTaxFeePercent(taxFee);
        _taxFee = taxFee;
    }

    function setTaxFeeFlag(bool flag) external onlyOwner() {
        emit SetTaxFeeFlag(flag);
        _taxFeeFlag = flag;
    }

    function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
        emit SetLiquidityFeePercent(liquidityFee);
        _liquidityFee = liquidityFee;
    }

    function setMaxLoopCount(uint256 maxLoopCount) external onlyOwner() {
        emit SetMaxLoopCount(maxLoopCount);
        _maxLoopCount = maxLoopCount;
    }

    function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
        emit SetMaxTxPercent(maxTxPercent);
        _maximumValueOfTransaction = _takeTotal.mul(maxTxPercent).div(
            10**2
        );
    }

    function setNumTokensSellToAddToLiquidity(uint256 amount) external onlyOwner() {
        numTokensSellToAddToLiquidity = amount;
    }

    function setLiquiditySellFeePercent(uint256 liquiditySellFee) external onlyOwner() {
        emit SetTaxFeePercent(liquiditySellFee);
        _liquiditySellFee = liquiditySellFee;
    }

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Fees calculate functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function totalFees() external view returns (uint256) {
        return _takeFeeTotal;
    }

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

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

    function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
        (uint256 takeAmountToTransfer, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
        (uint256 reflectAmount, uint256 reflectAmountToTransfer, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());

        return (reflectAmount, reflectAmountToTransfer, rFee, takeAmountToTransfer, tFee, tLiquidity);
    }

    function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) {
        uint256 tFee = calculateTaxFee(tAmount);
        uint256 tLiquidity = calculateLiquidityFee(tAmount);
        uint256 takeAmountToTransfer = tAmount.sub(tFee).sub(tLiquidity);

        return (takeAmountToTransfer, tFee, tLiquidity);
    }

    function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
        uint256 reflectAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rLiquidity = tLiquidity.mul(currentRate);
        uint256 reflectAmountToTransfer = reflectAmount.sub(rFee).sub(rLiquidity);

        return (reflectAmount, reflectAmountToTransfer, rFee);
    }

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

        return rSupply.div(tSupply);
    }

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Withdraw function \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    /// This will allow to rescue ETH sent by mistake directly to the contract
    function rescueTokensFromContract(uint256 amount) external onlyOwner {
        if(amount == 0 ){ // ETH
            payable(owner()).transfer(address(this).balance);
        }else{ // TCG2
            _tokenTransfer(address(this), owner(), amount, false);
        }
    }

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Fees managing functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

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

        _previousTaxFee = _taxFee;
        _previousLiquidityFee = _liquidityFee;

        _taxFee = 0;
        _liquidityFee = 0;
    }

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

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Fees group mebership functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function setupBot(address account, bool value) external onlyOwner {
        _isBot[account] = value;
    }

    function excludeFromFee(address account) external onlyOwner {
        emit ExcludedFromFee(account);
        _isExcludedFromFee[account] = true;
    }

    function includeInFee(address account) external onlyOwner {
        emit IncludeInFee(account);
        _isExcludedFromFee[account] = false;
    }

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

    function setDexWithSellFee(address account, bool value) external onlyOwner {
        _isDEXSellFee[account] = value;
    }


    function isDexWithSellFee(address account) public view returns(bool) {
        return _isDEXSellFee[account];
    }

    function setDexWithBuyFee(address account, bool value) external onlyOwner {
        _isDEXBuyFee[account] = value;
    }

    function isDexWithBuyFee(address account) public view returns(bool) {
        return _isDEXBuyFee[account];
    }


    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ LP functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function setSwapAndLiquifyEnabled(bool _enabled) external onlyOwner {
        emit SwapAndLiquifyEnabled(_enabled);
        swapAndLiquifyEnabled = _enabled;

        emit LiquifySwapUpdatedEnabled(_enabled);
    }

    //to receive ETH from uniswapRouter when swapping
    receive() external payable {}

    function _takeLiquidity(uint256 tLiquidity) private {
        uint256 currentRate =  _getRate();
        uint256 rLiquidity = tLiquidity.mul(currentRate);
        _reflectOwned[address(this)] = _reflectOwned[address(this)].add(rLiquidity);
        if(_isExcluded[address(this)])
            _takeOwned[address(this)] = _takeOwned[address(this)].add(tLiquidity);
    }

    function swapAndLiquifyByOwner(uint256 amount) external onlyOwner {
        swapAndLiquify(amount);
    }

    function swapAndLiquify(uint256 contractTokenBalance) private lockSwaping {
        // split the contract balance into halves
        uint256 half = contractTokenBalance.div(2);
        uint256 otherHalf = contractTokenBalance.sub(half);

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

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

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

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

        emit SwapAndLiquifyEvent(half, newBalance, otherHalf);
    }

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

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

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

    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        emit AddLiquidity(tokenAmount, ethAmount);
        // 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
        );
    }

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Reflection functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\


    function tokenFromReflection(uint256 reflectAmount) public view returns(uint256) {
        require(reflectAmount <= _reflectTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();

        return reflectAmount.div(currentRate);
    }

    // \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Custom transfer functions \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) private {
        require( !_isBot[to], "BEP20: transfer to the bot address");
        require( !_isBot[from], "BEP20: transfer from the bot address");
        require(from != address(0), "BEP20: transfer from the zero address");
        require(to != address(0), "BEP20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if(from != owner() && to != owner())
            require(amount <= _maximumValueOfTransaction, "Transfer amount exceeds the maxTxAmount.");


        uint256 contractTokenBalance = balanceOf(address(this));

        if(contractTokenBalance >= _maximumValueOfTransaction){contractTokenBalance = _maximumValueOfTransaction;}

        bool overMinimumCoinBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
        if (
            overMinimumCoinBalance &&
            !isIntoLiquifySwap &&
            from != uniswapPair &&
            swapAndLiquifyEnabled
        ) {
            contractTokenBalance = numTokensSellToAddToLiquidity;
            //add liquidity
            swapAndLiquify(contractTokenBalance);
        }

        //indicates if fee should be deducted from transfer
        bool takeFee = _taxFeeFlag;

        if(_isDEXSellFee[to] && !_isExcludedFromFee[from]){
            takeFee = true;
            _previousLiquidityFee = _liquidityFee;
            _liquidityFee = _liquiditySellFee;
        } else if(_isDEXBuyFee[from] && !_isExcludedFromFee[to]){
            takeFee = true;
        }

        //transfer amount, it will take liquidity fee
        _tokenTransfer(from,to,amount,takeFee);

        if(takeFee = true){
            _liquidityFee = _previousLiquidityFee;
        }

    }

    //this method is responsible for taking all fee, if takeFee is true
    function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {

        if(!takeFee){removeAllFee();}

        (uint256 reflectAmount, uint256 reflectAmountToTransfer, uint256 rFee, uint256 takeAmountToTransfer, uint256 tFee, uint256 tLiquidity) = _getValues(amount);

        _reflectOwned[sender] = _reflectOwned[sender].sub(reflectAmount);
        _reflectOwned[recipient] = _reflectOwned[recipient].add(reflectAmountToTransfer);


        _takeLiquidity(tLiquidity);
        
        emit Transfer(sender, recipient, takeAmountToTransfer);

        if(!takeFee){restoreAllFee();}
    }
}