// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @author Brewlabs
 * This treasury contract has been developed by brewlabs.info
 */
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "./libs/IUniFactory.sol";
import "./libs/IUniRouter02.sol";
interface IStaking {
  function performanceFee() external view returns (uint256);
  function setServiceInfo(address _addr, uint256 _fee) external;
}
interface IFarm {
  function setBuyBackWallet(address _addr) external;
}
contract BrewlabsTreasury is Ownable {
  using SafeERC20 for IERC20;
  bool private isInitialized;
  uint256 private constant TIME_UNIT = 1 days;
  uint256 private constant PERCENT_PRECISION = 10000;
  IERC20 public token;
  address public dividendToken;
  address public pair;
  address private constant USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
  uint256 public period = 30; // 30 days
  uint256 public withdrawalLimit = 500; // 5% of total supply
  uint256 public liquidityWithdrawalLimit = 2000; // 20% of LP supply
  uint256 public buybackRate = 9500; // 95%
  uint256 public addLiquidityRate = 9400; // 94%
  uint256 private startTime;
  uint256 private sumWithdrawals = 0;
  uint256 private sumLiquidityWithdrawals = 0;
  address public uniRouterAddress;
  address[] public ethToTokenPath;
  address[] public ethToDividendPath;
  address[] public dividendToTokenPath;
  uint256 public slippageFactor = 8300; // 17%
  uint256 public constant slippageFactorUL = 9950;
  event Initialized(
    address token,
    address dividendToken,
    address router,
    address[] ethToTokenPath,
    address[] ethToDividendPath,
    address[] dividendToTokenPath
  );
  event TokenBuyBack(uint256 amountETH, uint256 amountToken);
  event TokenBuyBackFromDividend(uint256 amount, uint256 amountToken);
  event LiquidityAdded(
    uint256 amountETH,
    uint256 amountToken,
    uint256 liquidity
  );
  event LiquidityWithdrawn(uint256 amount);
  event Withdrawn(uint256 amount);
  event Harvested(address account, uint256 amount);
  event Swapped(address token, uint256 amountETH, uint256 amountToken);
  event EthHarvested(address to, uint256 amount);
  event EmergencyWithdrawn();
  event AdminTokenRecovered(address tokenRecovered, uint256 amount);
  event UsdcHarvested(address to, uint256[] amounts);
  event SetSwapConfig(
    address router,
    uint256 slipPage,
    address[] ethToTokenPath,
    address[] ethToDividendPath,
    address[] dividendToTokenPath
  );
  event TransferBuyBackWallet(address staking, address wallet);
  event AddLiquidityRateUpdated(uint256 percent);
  event BuybackRateUpdated(uint256 percent);
  event PeriodUpdated(uint256 duration);
  event LiquidityWithdrawLimitUpdated(uint256 percent);
  event WithdrawLimitUpdated(uint256 percent);
  constructor() {}
  /**
   * @notice Initialize the contract
   * @param _token: token address
   * @param _dividendToken: reflection token address
   * @param _uniRouter: uniswap router address for swap tokens
   * @param _ethToTokenPath: swap path to buy Token
   * @param _ethToDividendPath: swap path to buy dividend token
   * @param _dividendToTokenPath: swap path to buy Token with dividend token
   */
  function initialize(
    IERC20 _token,
    address _dividendToken,
    address _uniRouter,
    address[] memory _ethToTokenPath,
    address[] memory _ethToDividendPath,
    address[] memory _dividendToTokenPath
  ) external onlyOwner {
    require(!isInitialized, "Already initialized");
    require(_uniRouter != address(0x0), "invalid address");
    require(address(_token) != address(0x0), "invalid token address");
    // Make this contract initialized
    isInitialized = true;
    token = _token;
    dividendToken = _dividendToken;
    pair = IUniV2Factory(IUniRouter02(_uniRouter).factory()).getPair(
      _ethToTokenPath[0],
      address(token)
    );
    uniRouterAddress = _uniRouter;
    ethToTokenPath = _ethToTokenPath;
    ethToDividendPath = _ethToDividendPath;
    dividendToTokenPath = _dividendToTokenPath;
    emit Initialized(
      address(_token),
      _dividendToken,
      _uniRouter,
      _ethToTokenPath,
      _ethToDividendPath,
      _dividendToTokenPath
    );
  }
  /**
   * @notice Buy token from ETH
   */
  function buyBack() external onlyOwner {
    uint256 ethAmt = address(this).balance;
    ethAmt = (ethAmt * buybackRate) / PERCENT_PRECISION;
    if (ethAmt > 0) {
      uint256 _tokenAmt = _safeSwapEth(ethAmt, ethToTokenPath, address(this));
      emit TokenBuyBack(ethAmt, _tokenAmt);
    }
  }
  /**
   * @notice Buy token from reflections
   */
  function buyBackFromDividend() external onlyOwner {
    if (dividendToken == address(0x0) || dividendToken == address(token)) return;
    uint256 reflections = IERC20(dividendToken).balanceOf(address(this));
    if (reflections > 0) {
      uint256 _tokenAmt = _safeSwap(
        reflections,
        dividendToTokenPath,
        address(this)
      );
      emit TokenBuyBackFromDividend(reflections, _tokenAmt);
    }
  }
  /**
   * @notice Add liquidity
   */
  function addLiquidity() external onlyOwner {
    uint256 ethAmt = address(this).balance;
    ethAmt = (ethAmt * addLiquidityRate) / PERCENT_PRECISION / 2;
    if (ethAmt > 0) {
      uint256 _tokenAmt = _safeSwapEth(ethAmt, ethToTokenPath, address(this));
      emit TokenBuyBack(ethAmt, _tokenAmt);
      (
        uint256 amountToken,
        uint256 amountETH,
        uint256 liquidity
      ) = _addLiquidityEth(address(token), ethAmt, _tokenAmt, address(this));
      emit LiquidityAdded(amountETH, amountToken, liquidity);
    }
  }
  /**
   * @notice Swap and harvest reflection for token
   * @param _to: receiver address
   */
  function harvest(address _to) external onlyOwner {
    uint256 ethAmt = address(this).balance;
    ethAmt = (ethAmt * buybackRate) / PERCENT_PRECISION;
    if (dividendToken == address(0x0)) {
      if (ethAmt > 0) {
        payable(_to).transfer(ethAmt);
        emit Harvested(_to, ethAmt);
      }
    } else {
      if (ethAmt > 0) {
        uint256 _tokenAmt = _safeSwapEth(
          ethAmt,
          ethToDividendPath,
          address(this)
        );
        emit Swapped(dividendToken, ethAmt, _tokenAmt);
      }
      uint256 tokenAmt = IERC20(dividendToken).balanceOf(address(this));
      if (tokenAmt > 0) {
        IERC20(dividendToken).transfer(_to, tokenAmt);
        emit Harvested(_to, tokenAmt);
      }
    }
  }
  function harvestETH(address _to) external onlyOwner {
    require(_to != address(0x0), "invalid address");
    uint256 ethAmt = address(this).balance;
    payable(_to).transfer(ethAmt);
    emit EthHarvested(_to, ethAmt);
  }
  function harvestUSDC(address _to) external onlyOwner {
    require(_to != address(0x0), "invalid address");
    uint256 ethAmt = address(this).balance;
    ethAmt = (ethAmt * buybackRate) / PERCENT_PRECISION;
    if (ethAmt == 0) return;
    address[] memory path = new address[](2);
    path[0] = IUniRouter02(uniRouterAddress).WETH();
    path[1] = USDC;
    uint256[] memory amounts = IUniRouter02(uniRouterAddress)
      .swapExactETHForTokens{ value: ethAmt }(
      0,
      path,
      _to,
      block.timestamp + 600
    );
    emit UsdcHarvested(_to, amounts);
  }
  /**
   * @notice Withdraw token as much as maximum 5% of total supply
   * @param _amount: amount to withdraw
   */
  function withdraw(uint256 _amount) external onlyOwner {
    uint256 tokenAmt = token.balanceOf(address(this));
    require(_amount > 0 && _amount <= tokenAmt, "Invalid Amount");
    if (block.timestamp - startTime > period * TIME_UNIT) {
      startTime = block.timestamp;
      sumWithdrawals = 0;
    }
    uint256 limit = (withdrawalLimit * (token.totalSupply())) /
      PERCENT_PRECISION;
    require(
      sumWithdrawals + _amount <= limit,
      "exceed maximum withdrawal limit for 30 days"
    );
    token.safeTransfer(msg.sender, _amount);
    emit Withdrawn(_amount);
  }
  /**
   * @notice Withdraw liquidity
   * @param _amount: amount to withdraw
   */
  function withdrawLiquidity(uint256 _amount) external onlyOwner {
    uint256 tokenAmt = IERC20(pair).balanceOf(address(this));
    require(_amount > 0 && _amount <= tokenAmt, "Invalid Amount");
    if (block.timestamp - startTime > period * TIME_UNIT) {
      startTime = block.timestamp;
      sumLiquidityWithdrawals = 0;
    }
    uint256 limit = (liquidityWithdrawalLimit * (IERC20(pair).totalSupply())) /
      PERCENT_PRECISION;
    require(
      sumLiquidityWithdrawals + _amount <= limit,
      "exceed maximum LP withdrawal limit for 30 days"
    );
    IERC20(pair).safeTransfer(msg.sender, _amount);
    emit LiquidityWithdrawn(_amount);
  }
  /**
   * @notice Withdraw tokens
   * @dev Needs to be for emergency.
   */
  function emergencyWithdraw() external onlyOwner {
    uint256 tokenAmt = token.balanceOf(address(this));
    if (tokenAmt > 0) {
      token.transfer(msg.sender, tokenAmt);
    }
    tokenAmt = IERC20(pair).balanceOf(address(this));
    if (tokenAmt > 0) {
      IERC20(pair).transfer(msg.sender, tokenAmt);
    }
    uint256 ethAmt = address(this).balance;
    if (ethAmt > 0) {
      payable(msg.sender).transfer(ethAmt);
    }
    emit EmergencyWithdrawn();
  }
  /**
   * @notice Set duration for withdraw limit
   * @param _period: duration
   */
  function setWithdrawalLimitPeriod(uint256 _period) external onlyOwner {
    require(_period >= 10, "small period");
    period = _period;
    emit PeriodUpdated(_period);
  }
  /**
   * @notice Set liquidity withdraw limit
   * @param _percent: percentage of LP supply in point
   */
  function setLiquidityWithdrawalLimit(uint256 _percent) external onlyOwner {
    require(_percent < PERCENT_PRECISION, "Invalid percentage");
    liquidityWithdrawalLimit = _percent;
    emit LiquidityWithdrawLimitUpdated(_percent);
  }
  /**
   * @notice Set withdraw limit
   * @param _percent: percentage of total supply in point
   */
  function setWithdrawalLimit(uint256 _percent) external onlyOwner {
    require(_percent < PERCENT_PRECISION, "Invalid percentage");
    withdrawalLimit = _percent;
    emit WithdrawLimitUpdated(_percent);
  }
  /**
   * @notice Set buyback rate
   * @param _percent: percentage in point
   */
  function setBuybackRate(uint256 _percent) external onlyOwner {
    require(_percent < PERCENT_PRECISION, "Invalid percentage");
    buybackRate = _percent;
    emit BuybackRateUpdated(_percent);
  }
  /**
   * @notice Set addliquidy rate
   * @param _percent: percentage in point
   */
  function setAddLiquidityRate(uint256 _percent) external onlyOwner {
    require(_percent < PERCENT_PRECISION, "Invalid percentage");
    addLiquidityRate = _percent;
    emit AddLiquidityRateUpdated(_percent);
  }
  /**
   * @notice Set buyback wallet of farm contract
   * @param _uniRouter: dex router address
   * @param _slipPage: slip page for swap
   * @param _ethToTokenPath: eth-token swap path
   * @param _ethToDividendPath: eth-token swap path
   * @param _dividendToTokenPath: eth-token swap path
   */
  function setSwapSettings(
    address _uniRouter,
    uint256 _slipPage,
    address[] memory _ethToTokenPath,
    address[] memory _ethToDividendPath,
    address[] memory _dividendToTokenPath
  ) external onlyOwner {
    require(_uniRouter != address(0x0), "invalid address");
    require(_slipPage <= slippageFactorUL, "_slippage too high");
    uniRouterAddress = _uniRouter;
    slippageFactor = _slipPage;
    ethToTokenPath = _ethToTokenPath;
    ethToDividendPath = _ethToDividendPath;
    dividendToTokenPath = _dividendToTokenPath;
    emit SetSwapConfig(
      _uniRouter,
      _slipPage,
      _ethToTokenPath,
      _ethToDividendPath,
      _dividendToTokenPath
    );
  }
  /**
   * @notice set buyback wallet of farm contract
   * @param _farm: farm contract address
   * @param _addr: buyback wallet address
   */
  function setFarmServiceInfo(address _farm, address _addr) external onlyOwner {
    require(_farm != address(0x0) && _addr != address(0x0), "Invalid Address");
    IFarm(_farm).setBuyBackWallet(_addr);
    emit TransferBuyBackWallet(_farm, _addr);
  }
  /**
   * @notice set buyback wallet of staking contract
   * @param _staking: staking contract address
   * @param _addr: buyback wallet address
   */
  function setStakingServiceInfo(address _staking, address _addr)
    external
    onlyOwner
  {
    require(
      _staking != address(0x0) && _addr != address(0x0),
      "Invalid Address"
    );
    uint256 _fee = IStaking(_staking).performanceFee();
    IStaking(_staking).setServiceInfo(_addr, _fee);
    emit TransferBuyBackWallet(_staking, _addr);
  }
  /**
   * @notice It allows the admin to recover wrong tokens sent to the contract
   * @param _token: the address of the token to withdraw
   * @dev This function is only callable by admin.
   */
  function rescueTokens(address _token) external onlyOwner {
    require(
      _token != address(token) && _token != dividendToken && _token != pair,
      "Cannot be token & dividend token, pair"
    );
    uint256 _tokenAmount;
    if (_token == address(0x0)) {
      _tokenAmount = address(this).balance;
      payable(msg.sender).transfer(_tokenAmount);
    } else {
      _tokenAmount = IERC20(_token).balanceOf(address(this));
      IERC20(_token).safeTransfer(msg.sender, _tokenAmount);
    }
    emit AdminTokenRecovered(_token, _tokenAmount);
  }
  /************************
   ** Internal Methods
   *************************/
  /**
   * @notice get token from ETH via swap.
   * @param _amountIn: eth amount to swap
   * @param _path: swap path
   * @param _to: receiver address
   */
  function _safeSwapEth(
    uint256 _amountIn,
    address[] memory _path,
    address _to
  ) internal returns (uint256) {
    uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(
      _amountIn,
      _path
    );
    uint256 amountOut = amounts[amounts.length - 1];
    address _token = _path[_path.length - 1];
    uint256 beforeAmt = IERC20(_token).balanceOf(address(this));
    IUniRouter02(uniRouterAddress)
      .swapExactETHForTokensSupportingFeeOnTransferTokens{ value: _amountIn }(
      (amountOut * slippageFactor) / PERCENT_PRECISION,
      _path,
      _to,
      block.timestamp + 600
    );
    uint256 afterAmt = IERC20(_token).balanceOf(address(this));
    return afterAmt - beforeAmt;
  }
  /**
   * @notice swap token based on path.
   * @param _amountIn: token amount to swap
   * @param _path: swap path
   * @param _to: receiver address
   */
  function _safeSwap(
    uint256 _amountIn,
    address[] memory _path,
    address _to
  ) internal returns (uint256) {
    uint256[] memory amounts = IUniRouter02(uniRouterAddress).getAmountsOut(
      _amountIn,
      _path
    );
    uint256 amountOut = amounts[amounts.length - 1];
    IERC20(_path[0]).safeApprove(uniRouterAddress, _amountIn);
    address _token = _path[_path.length - 1];
    uint256 beforeAmt = IERC20(_token).balanceOf(address(this));
    IUniRouter02(uniRouterAddress)
      .swapExactTokensForTokensSupportingFeeOnTransferTokens(
        _amountIn,
        (amountOut * slippageFactor) / PERCENT_PRECISION,
        _path,
        _to,
        block.timestamp + 600
      );
    uint256 afterAmt = IERC20(_token).balanceOf(address(this));
    return afterAmt - beforeAmt;
  }
  /**
   * @notice add token-ETH liquidity.
   * @param _token: token address
   * @param _ethAmt: eth amount to add liquidity
   * @param _tokenAmt: token amount to add liquidity
   * @param _to: receiver address
   */
  function _addLiquidityEth(
    address _token,
    uint256 _ethAmt,
    uint256 _tokenAmt,
    address _to
  )
    internal
    returns (
      uint256 amountToken,
      uint256 amountETH,
      uint256 liquidity
    )
  {
    IERC20(_token).safeIncreaseAllowance(uniRouterAddress, _tokenAmt);
    (amountToken, amountETH, liquidity) = IUniRouter02(uniRouterAddress)
      .addLiquidityETH{ value: _ethAmt }(
      address(_token),
      _tokenAmt,
      0,
      0,
      _to,
      block.timestamp + 600
    );
    IERC20(_token).safeApprove(uniRouterAddress, uint256(0));
  }
  receive() external payable {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../../../utils/Address.sol";
/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 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 SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }
    function safeTransferFrom(
        IERC20 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
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 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'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }
    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }
    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _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(IERC20 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, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 substraction 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
pragma solidity ^0.8.0;
interface IUniV2Factory {
    function getPair(address tokenA, address tokenB)
        external
        view
        returns (address);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IUniRouter01.sol";
interface IUniRouter02 is IUniRouter01 {
    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;
}// 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;
    }
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `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);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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
                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 IUniRouter01 {
    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 0.8.16;

interface IERC20 {
	function totalSupply() external view returns (uint256);

	function balanceOf(address account) external view returns (uint256);

	function transfer(address recipient, uint256 amount)
	external
	returns (bool);

	function allowance(address owner, address spender)
	external
	view
	returns (uint256);

	function approve(address spender, uint256 amount) external returns (bool);

	function transferFrom(
		address sender,
		address recipient,
		uint256 amount
	) external returns (bool);

	event Transfer(address indexed from, address indexed to, uint256 value);

	event Approval(
		address indexed owner,
		address indexed spender,
		uint256 value
	);
}

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

	function getPair(address tokenA, address tokenB)
	external
	view
	returns (address pair);
}

interface IRouter {
	function factory() external pure returns (address);

	function WETH() external pure returns (address);

	function addLiquidityETH(
		address token,
		uint256 amountTokenDesired,
		uint256 amountTokenMin,
		uint256 amountETHMin,
		address to,
		uint256 deadline
	)
	external
	payable
	returns (
		uint256 amountToken,
		uint256 amountETH,
		uint256 liquidity
	);

	function swapExactETHForTokensSupportingFeeOnTransferTokens(
		uint256 amountOutMin,
		address[] calldata path,
		address to,
		uint256 deadline
	) external payable;

	function swapExactTokensForETHSupportingFeeOnTransferTokens(
		uint256 amountIn,
		uint256 amountOutMin,
		address[] calldata path,
		address to,
		uint256 deadline
	) external;
}

library SafeMath {

	function add(uint256 a, uint256 b) internal pure returns (uint256) {
		uint256 c = a + b;
		require(c >= a, "SafeMath: addition overflow");

		return c;
	}

	function sub(uint256 a, uint256 b) internal pure returns (uint256) {
		return sub(a, b, "SafeMath: subtraction overflow");
	}

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

		return c;
	}

	function mul(uint256 a, uint256 b) internal pure returns (uint256) {
		// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
		// benefit is lost if 'b' is also tested.
		// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
		if (a == 0) {
			return 0;
		}

		uint256 c = a * b;
		require(c / a == b, "SafeMath: multiplication overflow");

		return c;
	}

	function div(uint256 a, uint256 b) internal pure returns (uint256) {
		return div(a, b, "SafeMath: division by zero");
	}

	function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
		require(b > 0, errorMessage);
		uint256 c = a / b;
		// assert(a == b * c + a % b); // There is no case in which this doesn't hold

		return c;
	}

	function mod(uint256 a, uint256 b) internal pure returns (uint256) {
		return mod(a, b, "SafeMath: modulo by zero");
	}

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

library Address {
	function isContract(address account) internal view returns (bool) {
		uint256 size;
		assembly {
			size := extcodesize(account)
		}
		return size > 0;
	}

	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"
		);
	}

	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"
		);
		require(isContract(target), "Address: call to non-contract");

		(bool success, bytes memory returndata) = target.call{value: value}(
		data
		);
		return _verifyCallResult(success, returndata, errorMessage);
	}

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

	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);
	}

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

	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);
	}

	function _verifyCallResult(
		bool success,
		bytes memory returndata,
		string memory errorMessage
	) private pure returns (bytes memory) {
		if (success) {
			return returndata;
		} else {
			if (returndata.length > 0) {
				assembly {
					let returndata_size := mload(returndata)
					revert(add(32, returndata), returndata_size)
				}
			} else {
				revert(errorMessage);
			}
		}
	}
}

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

	function _msgData() internal view virtual returns (bytes calldata) {
		this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
		return msg.data;
	}
}

contract Ownable is Context {
	address private _owner;

	event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

	constructor () {
		address msgSender = _msgSender();
		_owner = msgSender;
		emit OwnershipTransferred(address(0), msgSender);
	}

	function owner() public view returns (address) {
		return _owner;
	}

	modifier onlyOwner() {
		require(_owner == _msgSender(), "Ownable: caller is not the owner");
		_;
	}

	function renounceOwnership() public virtual onlyOwner {
		emit OwnershipTransferred(_owner, address(0));
		_owner = address(0);
	}

	function transferOwnership(address newOwner) public virtual onlyOwner {
		require(newOwner != address(0), "Ownable: new owner is the zero address");
		emit OwnershipTransferred(_owner, newOwner);
		_owner = newOwner;
	}
}

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

	IRouter public uniswapV2Router;
	address public immutable uniswapV2Pair;

	string private constant _name =  "IMPACTXPRIME";
	string private constant _symbol = "IXP";
	uint8 private constant _decimals = 18;

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

	uint256 private constant MAX = ~uint256(0);
	uint256 private constant _tTotal = 1000000000 * 10**18;
	uint256 private _rTotal = (MAX - (MAX % _tTotal));
	uint256 private _tFeeTotal;

	bool public isTradingEnabled;

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

    // max buy and sell tx is 1.0% of _tTotal
	uint256 public maxTxAmount = _tTotal * 100 / 10000;

	bool private _swapping;
	uint256 public minimumTokensBeforeSwap = _tTotal * 25 / 100000;

    address public liquidityWallet;
	address public marketingWallet;
	address public buyBackWallet;
    address public gamingWallet;

	struct CustomTaxPeriod {
		bytes23 periodName;
		uint8 blocksInPeriod;
		uint256 timeInPeriod;
		uint8 liquidityFeeOnBuy;
		uint8 liquidityFeeOnSell;
		uint8 marketingFeeOnBuy;
		uint8 marketingFeeOnSell;
		uint8 buyBackFeeOnBuy;
		uint8 buyBackFeeOnSell;
        uint8 gamingFeeOnBuy;
        uint8 gamingFeeOnSell;
		uint8 holdersFeeOnBuy;
		uint8 holdersFeeOnSell;
	}

	// Base taxes
	CustomTaxPeriod private _base = CustomTaxPeriod('base',0,0,6,8,0,0,0,0,0,0,0,0);

	uint256 public launchTokens;
	uint256 private _launchStartTimestamp;
	uint256 private _launchBlockNumber;
	bool public _launchTokensClaimed;
	mapping (address => bool) private _isBlocked;
	mapping (address => bool) private _isExcludedFromFee;
	mapping (address => bool) private _isExcludedFromMaxTransactionLimit;
	mapping (address => bool) private _isExcludedFromMaxWalletLimit;
	mapping (address => bool) private _isAllowedToTradeWhenDisabled;
	mapping (address => bool) private _isExcludedFromDividends;
    mapping (address => bool) private _feeOnSelectedWalletTransfers;
	address[] private _excludedFromDividends;
	mapping (address => bool) public automatedMarketMakerPairs;

	uint8 private _liquidityFee;
	uint8 private _marketingFee;
	uint8 private _buyBackFee;
    uint8 private _gamingFee;
	uint8 private _holdersFee;
	uint8 private _totalFee;

	event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
	event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
	event BlockedAccountChange(address indexed holder, bool indexed status);
	event WalletChange(string indexed walletIdentifier, address indexed newWallet, address indexed oldWallet);
	event FeeChange(string indexed identifier, uint8 liquidityFee, uint8 marketingFee, uint8 buyBackFee, uint8 gamingFee, uint8 holdersFee);
	event CustomTaxPeriodChange(uint8 indexed newValue, uint8 indexed oldValue, string indexed taxType, bytes23 period);
    event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
	event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
	event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
	event ExcludeFromFeesChange(address indexed account, bool isExcluded);
	event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
	event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
	event ExcludeFromDividendsChange(address indexed account, bool isExcluded);
	event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived,uint256 tokensIntoLiqudity);
    event FeeOnSelectedWalletTransfersChange(address indexed account, bool newValue);
	event ClaimOverflow(address tokenAddress, uint256 amount);
	event TradingStatusChange(bool indexed newValue, bool indexed oldValue);
	event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);

	constructor() {
		liquidityWallet = owner();
        marketingWallet = owner();
		buyBackWallet = owner();
        gamingWallet = owner();

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

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

		excludeFromDividends(address(0), true);
		excludeFromDividends(address(_uniswapV2Router), true);
		excludeFromDividends(address(_uniswapV2Pair), true);

		_isAllowedToTradeWhenDisabled[owner()] = true;

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

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

		_rOwned[owner()] = _rTotal;
		emit Transfer(address(0), owner(), _tTotal);
	}

	receive() external payable {}

	// Setters
	function transfer(address recipient, uint256 amount) external override returns (bool) {
		_transfer(_msgSender(), recipient, amount);
		return true;
	}
	function approve(address spender, uint256 amount) public 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,"ERC20: 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,"ERC20: decreased allowance below zero"));
		return true;
	}
	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 activateTrading() external onlyOwner {
		isTradingEnabled = true;
        if (_launchStartTimestamp == 0) {
            _launchStartTimestamp = block.timestamp;
            _launchBlockNumber = block.number;
        }
		emit TradingStatusChange(true, false);
	}
	function deactivateTrading() external onlyOwner {
		isTradingEnabled = false;
		emit TradingStatusChange(false, true);
	}
	function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
		_isAllowedToTradeWhenDisabled[account] = allowed;
		emit AllowedWhenTradingDisabledChange(account, allowed);
	}
    function setFeeOnSelectedWalletTransfers(address account, bool value) external onlyOwner {
		require(_feeOnSelectedWalletTransfers[account] != value, "ImpactXP: The selected wallet is already set to the value");
		_feeOnSelectedWalletTransfers[account] = value;
		emit FeeOnSelectedWalletTransfersChange(account, value);
	}
	function _setAutomatedMarketMakerPair(address pair, bool value) private {
		require(automatedMarketMakerPairs[pair] != value, "ImpactXP: Automated market maker pair is already set to that value");
		automatedMarketMakerPairs[pair] = value;
		emit AutomatedMarketMakerPairChange(pair, value);
	}
	function blockAccount(address account) external onlyOwner {
		require(!_isBlocked[account], "ImpactXP: Account is already blocked");
		if (_launchStartTimestamp > 0) {
			require((block.timestamp - _launchStartTimestamp) < 172800, "ImpactXP: Time to block accounts has expired");
		}
		_isBlocked[account] = true;
		emit BlockedAccountChange(account, true);
	}
	function unblockAccount(address account) external onlyOwner {
		require(_isBlocked[account], "ImpactXP: Account is not blcoked");
		_isBlocked[account] = false;
		emit BlockedAccountChange(account, false);
	}
	function excludeFromFees(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromFee[account] != excluded, "ImpactXP: Account is already the value of 'excluded'");
		_isExcludedFromFee[account] = excluded;
		emit ExcludeFromFeesChange(account, excluded);
	}
	function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromMaxTransactionLimit[account] != excluded, "ImpactXP: Account is already the value of 'excluded'");
		_isExcludedFromMaxTransactionLimit[account] = excluded;
		emit ExcludeFromMaxTransferChange(account, excluded);
	}
	function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
		require(_isExcludedFromMaxWalletLimit[account] != excluded, "ImpactXP: Account is already the value of 'excluded'");
		_isExcludedFromMaxWalletLimit[account] = excluded;
		emit ExcludeFromMaxWalletChange(account, excluded);
	}
	function excludeFromDividends(address account, bool excluded) public onlyOwner {
		require(_isExcludedFromDividends[account] != excluded, "ImpactXP: Account is already the value of 'excluded'");
		if(excluded) {
			if(_rOwned[account] > 0) {
				_tOwned[account] = tokenFromReflection(_rOwned[account]);
			}
			_isExcludedFromDividends[account] = excluded;
			_excludedFromDividends.push(account);
		} else {
			for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
				if (_excludedFromDividends[i] == account) {
					_excludedFromDividends[i] = _excludedFromDividends[_excludedFromDividends.length - 1];
					_tOwned[account] = 0;
					_isExcludedFromDividends[account] = false;
					_excludedFromDividends.pop();
					break;
				}
			}
		}
		emit ExcludeFromDividendsChange(account, excluded);
	}
	function setWallets(address newLiquidityWallet, address newMarketingWallet, address newBuyBackWallet, address newGamingWallet) external onlyOwner {
		if(liquidityWallet != newLiquidityWallet) {
			require(newLiquidityWallet != address(0), "ImpactXP: The liquidityWallet cannot be 0");
			emit WalletChange('liquidityWallet', newLiquidityWallet, liquidityWallet);
			liquidityWallet = newLiquidityWallet;
		}
		if(marketingWallet != newMarketingWallet) {
			require(newMarketingWallet != address(0), "ImpactXP: The marketingWallet cannot be 0");
			emit WalletChange('marketingWallet', newMarketingWallet, marketingWallet);
			marketingWallet = newMarketingWallet;
		}
		if(buyBackWallet != newBuyBackWallet) {
			require(newBuyBackWallet != address(0), "ImpactXP: The buyBackWallet cannot be 0");
			emit WalletChange('buyBackWallet', newBuyBackWallet, buyBackWallet);
			buyBackWallet = newBuyBackWallet;
		}
        if(gamingWallet != newGamingWallet) {
			require(newGamingWallet != address(0), "ImpactXP: The gamingWallet cannot be 0");
			emit WalletChange('gamingWallet', newGamingWallet, gamingWallet);
			gamingWallet = newGamingWallet;
		}
	}
	function setBaseFeesOnBuy(uint8 _liquidityFeeOnBuy, uint8 _marketingFeeOnBuy, uint8 _buyBackFeeOnBuy, uint8 _gamingFeeOnBuy, uint8 _holdersFeeOnBuy) external onlyOwner {
		_setCustomBuyTaxPeriod(_base, _liquidityFeeOnBuy, _marketingFeeOnBuy, _buyBackFeeOnBuy, _gamingFeeOnBuy, _holdersFeeOnBuy);
		emit FeeChange('baseFees-Buy', _liquidityFeeOnBuy, _marketingFeeOnBuy, _buyBackFeeOnBuy, _gamingFeeOnBuy, _holdersFeeOnBuy);
	}
	function setBaseFeesOnSell(uint8 _liquidityFeeOnSell,uint8 _marketingFeeOnSell, uint8 _buyBackFeeOnSell, uint8 _gamingFeeOnSell, uint8 _holdersFeeOnSell) external onlyOwner {
		_setCustomSellTaxPeriod(_base, _liquidityFeeOnSell, _marketingFeeOnSell, _buyBackFeeOnSell, _gamingFeeOnSell, _holdersFeeOnSell);
		emit FeeChange('baseFees-Sell', _liquidityFeeOnSell, _marketingFeeOnSell, _buyBackFeeOnSell, _gamingFeeOnSell, _holdersFeeOnSell);
	}
	function setUniswapRouter(address newAddress) external onlyOwner {
		require(newAddress != address(uniswapV2Router), "ImpactXP: The router already has that address");
		emit UniswapV2RouterChange(newAddress, address(uniswapV2Router));
		uniswapV2Router = IRouter(newAddress);
	}
	function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
		require(newValue != maxTxAmount, "ImpactXP: Cannot update maxTxAmount to same value");
		emit MaxTransactionAmountChange(newValue, maxTxAmount);
		maxTxAmount = newValue;
	}
	function setMaxWalletAmount(uint256 newValue) external onlyOwner {
		require(newValue != maxWalletAmount, "ImpactXP: Cannot update maxWalletAmount to same value");
		emit MaxWalletAmountChange(newValue, maxWalletAmount);
		maxWalletAmount = newValue;
	}
	function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
		require(newValue != minimumTokensBeforeSwap, "ImpactXP: Cannot update minimumTokensBeforeSwap to same value");
		emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
		minimumTokensBeforeSwap = newValue;
	}
	function claimLaunchTokens() external onlyOwner {
		require(_launchStartTimestamp > 0, "ImpactXP: Launch must have occurred");
		require(!_launchTokensClaimed, "ImpactXP: Launch tokens have already been claimed");
		require(block.number - _launchBlockNumber > 5, "ImpactXP: Only claim launch tokens after launch");
		uint256 tokenBalance = balanceOf(address(this));
		_launchTokensClaimed = true;
		require(launchTokens <= tokenBalance, "ImpactXP: A swap and liquify has already occurred");
		uint256 amount = launchTokens;
		launchTokens = 0;
		(bool success) = IERC20(address(this)).transfer(owner(), amount);
		if (success){
			emit ClaimOverflow(address(this), amount);
		}
	}
	function claimETHOverflow(uint256 amount) external onlyOwner {
		require(amount <= address(this).balance, "ImpactXP: Cannot send more than contract balance");
		(bool success,) = address(owner()).call{value : amount}("");
		if (success){
			emit ClaimOverflow(uniswapV2Router.WETH(), amount);
		}
	}

	// Getters
	function name() external pure returns (string memory) {
		return _name;
	}
	function symbol() external pure returns (string memory) {
		return _symbol;
	}
	function decimals() external view virtual returns (uint8) {
		return _decimals;
	}
	function totalSupply() external pure override returns (uint256) {
		return _tTotal;
	}
	function balanceOf(address account) public view override returns (uint256) {
		if (_isExcludedFromDividends[account]) return _tOwned[account];
		return tokenFromReflection(_rOwned[account]);
	}
	function totalFees() external view returns (uint256) {
		return _tFeeTotal;
	}
	function allowance(address owner, address spender) external view override returns (uint256) {
		return _allowances[owner][spender];
	}
	function getBaseBuyFees() external view returns (uint8, uint8, uint8, uint8, uint8){
		return (_base.liquidityFeeOnBuy, _base.marketingFeeOnBuy, _base.buyBackFeeOnBuy, _base.gamingFeeOnBuy, _base.holdersFeeOnBuy);
	}
	function getBaseSellFees() external view returns (uint8, uint8, uint8, uint8, uint8){
		return (_base.liquidityFeeOnSell, _base.marketingFeeOnSell, _base.buyBackFeeOnSell, _base.gamingFeeOnSell, _base.holdersFeeOnSell);
	}
	function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
		require(rAmount <= _rTotal, "ImpactXP: Amount must be less than total reflections");
		uint256 currentRate =  _getRate();
		return rAmount / currentRate;
	}
	function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns (uint256) {
		require(tAmount <= _tTotal, "ImpactXP: Amount must be less than supply");
		uint256 currentRate = _getRate();
		uint256 rAmount  = tAmount * currentRate;
		if (!deductTransferFee) {
			return rAmount;
		}
		else {
			uint256 rTotalFee  = tAmount * _totalFee / 100 * currentRate;
			uint256 rTransferAmount = rAmount - rTotalFee;
			return rTransferAmount;
		}
	}

	// Main
	function _transfer(
	address from,
	address to,
	uint256 amount
	) internal {
		require(from != address(0), "ERC20: transfer from the zero address");
		require(to != address(0), "ERC20: transfer to the zero address");
		require(amount > 0, "ImpactXP: Transfer amount must be greater than zero");
		require(amount <= balanceOf(from), "ImpactXP: Cannot transfer more than balance");

		if(!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
			require(isTradingEnabled, "ImpactXP: Trading is currently disabled.");
			require(!_isBlocked[to], "ImpactXP: Account is blocked");
			require(!_isBlocked[from], "ImpactXP: Account is blocked");
			if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
				require(amount <= maxTxAmount, "ImpactXP: Buy amount exceeds the maxTxBuyAmount.");
			}
			if (!_isExcludedFromMaxWalletLimit[to]) {
				require((balanceOf(to) + amount) <= maxWalletAmount, "ImpactXP: Expected wallet amount exceeds the maxWalletAmount.");
			}
		}

		_adjustTaxes(automatedMarketMakerPairs[from], automatedMarketMakerPairs[to], to, from);
		bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;

		if (
			isTradingEnabled &&
			canSwap &&
			!_swapping &&
			_totalFee > 0 &&
			automatedMarketMakerPairs[to]
		) {
			_swapping = true;
			_swapAndLiquify();
			_swapping = false;
		}

		bool takeFee = !_swapping && isTradingEnabled;

		if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
			takeFee = false;
		}

		_tokenTransfer(from, to, amount, takeFee);

	}
	function _tokenTransfer(address sender,address recipient, uint256 tAmount, bool takeFee) private {
		(uint256 tTransferAmount,uint256 tFee, uint256 tOther) = _getTValues(tAmount, takeFee);
		(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 rOther) = _getRValues(tAmount, tFee, tOther, _getRate());

		if (_isExcludedFromDividends[sender]) {
			_tOwned[sender] = _tOwned[sender] - tAmount;
		}
		if (_isExcludedFromDividends[recipient]) {
			_tOwned[recipient] = _tOwned[recipient] + tTransferAmount;
		}
		_rOwned[sender] = _rOwned[sender] - rAmount;
		_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
		_reflectFee(rFee, tFee, rOther, tOther);
		emit Transfer(sender, recipient, tTransferAmount);
	}
	function _reflectFee(uint256 rFee, uint256 tFee, uint256 rOther, uint256 tOther) private {
		_rTotal -= rFee;
		_tFeeTotal += tFee;

		if (_launchStartTimestamp > 0 && (block.number - _launchBlockNumber <= 5)) {
			launchTokens += tOther;
		}

        if (_isExcludedFromDividends[address(this)]) {
			_tOwned[address(this)] += tOther;
		}
		_rOwned[address(this)] += rOther;
	}
	function _getTValues(uint256 tAmount, bool takeFee) private view returns (uint256,uint256,uint256){
		if (!takeFee) {
			return (tAmount, 0, 0);
		}
		else {
			uint256 tFee = tAmount * _holdersFee / 100;
			uint256 tOther = tAmount * (_liquidityFee + _marketingFee + _buyBackFee + _gamingFee) / 100;
			uint256 tTransferAmount = tAmount - (tFee + tOther);
			return (tTransferAmount, tFee, tOther);
		}
	}
	function _getRValues(
		uint256 tAmount,
		uint256 tFee,
		uint256 tOther,
		uint256 currentRate
		) private pure returns ( uint256, uint256, uint256, uint256) {
		uint256 rAmount = tAmount * currentRate;
		uint256 rFee = tFee * currentRate;
		uint256 rOther = tOther * currentRate;
		uint256 rTransferAmount = rAmount - (rFee + rOther);
		return (rAmount, rTransferAmount, rFee, rOther);
	}
	function _getRate() private view returns (uint256) {
		(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
		return rSupply.div(tSupply);
	}
	function _getCurrentSupply() private view returns (uint256, uint256) {
		uint256 rSupply = _rTotal;
		uint256 tSupply = _tTotal;
		for (uint256 i = 0; i < _excludedFromDividends.length; i++) {
			if (
				_rOwned[_excludedFromDividends[i]] > rSupply ||
				_tOwned[_excludedFromDividends[i]] > tSupply
			) return (_rTotal, _tTotal);
			rSupply = rSupply - _rOwned[_excludedFromDividends[i]];
			tSupply = tSupply - _tOwned[_excludedFromDividends[i]];
		}
		if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
		return (rSupply, tSupply);
	}
	function _adjustTaxes(bool isBuyFromLp, bool isSelltoLp, address to, address from) private {
		_liquidityFee = 0;
        _marketingFee = 0;
        _buyBackFee = 0;
        _gamingFee = 0;
        _holdersFee = 0;

        if (isBuyFromLp) {
			if (_launchStartTimestamp > 0 && (block.number - _launchBlockNumber <= 5)) {
				_liquidityFee = 100;
			}
			else {
                _liquidityFee = _base.liquidityFeeOnBuy;
                _marketingFee = _base.marketingFeeOnBuy;
                _buyBackFee = _base.buyBackFeeOnBuy;
                _gamingFee = _base.gamingFeeOnBuy;
                _holdersFee = _base.holdersFeeOnBuy;
            }
		}
		if (isSelltoLp) {
			_liquidityFee = _base.liquidityFeeOnSell;
			_marketingFee = _base.marketingFeeOnSell;
			_buyBackFee = _base.buyBackFeeOnSell;
            _gamingFee = _base.gamingFeeOnSell;
			_holdersFee = _base.holdersFeeOnSell;
		}
		if (!isSelltoLp && !isBuyFromLp && (_feeOnSelectedWalletTransfers[from] || _feeOnSelectedWalletTransfers[to])) {
			_liquidityFee = _base.liquidityFeeOnSell;
			_marketingFee = _base.marketingFeeOnSell;
			_buyBackFee = _base.buyBackFeeOnSell;
            _gamingFee = _base.gamingFeeOnSell;
			_holdersFee = _base.holdersFeeOnSell;
		}
		_totalFee = _liquidityFee + _marketingFee + _buyBackFee + _gamingFee + _holdersFee;
	}
	function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,
		uint8 _liquidityFeeOnSell,
		uint8 _marketingFeeOnSell,
		uint8 _buyBackFeeOnSell,
        uint8 _gamingFeeOnSell,
		uint8 _holdersFeeOnSell
		) private {
        require((_liquidityFeeOnSell+_marketingFeeOnSell+_buyBackFeeOnSell+_gamingFeeOnSell+_holdersFeeOnSell) <= 8, "ImpactXP: Sell tax must be less than 8%");

        if (map.liquidityFeeOnSell != _liquidityFeeOnSell) {
			emit CustomTaxPeriodChange(_liquidityFeeOnSell, map.liquidityFeeOnSell, 'liquidityFeeOnSell', map.periodName);
			map.liquidityFeeOnSell = _liquidityFeeOnSell;
		}
		if (map.marketingFeeOnSell != _marketingFeeOnSell) {
			emit CustomTaxPeriodChange(_marketingFeeOnSell, map.marketingFeeOnSell, 'marketingFeeOnSell', map.periodName);
			map.marketingFeeOnSell = _marketingFeeOnSell;
		}
		if (map.buyBackFeeOnSell != _buyBackFeeOnSell) {
			emit CustomTaxPeriodChange(_buyBackFeeOnSell, map.buyBackFeeOnSell, 'buyBackFeeOnSell', map.periodName);
			map.buyBackFeeOnSell = _buyBackFeeOnSell;
		}
        if (map.gamingFeeOnSell != _gamingFeeOnSell) {
			emit CustomTaxPeriodChange(_gamingFeeOnSell, map.gamingFeeOnSell, 'gamingFeeOnSell', map.periodName);
			map.gamingFeeOnSell = _gamingFeeOnSell;
		}
		if (map.holdersFeeOnSell != _holdersFeeOnSell) {
			emit CustomTaxPeriodChange(_holdersFeeOnSell, map.holdersFeeOnSell, 'holdersFeeOnSell', map.periodName);
			map.holdersFeeOnSell = _holdersFeeOnSell;
		}
	}
	function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,
		uint8 _liquidityFeeOnBuy,
		uint8 _marketingFeeOnBuy,
		uint8 _buyBackFeeOnBuy,
        uint8 _gamingFeeOnBuy,
		uint8 _holdersFeeOnBuy
		) private {
        require((_liquidityFeeOnBuy+_marketingFeeOnBuy+_buyBackFeeOnBuy+_gamingFeeOnBuy+_holdersFeeOnBuy) <= 6, "ImpactXP: Buy tax must be less than 6%");

		if (map.liquidityFeeOnBuy != _liquidityFeeOnBuy) {
			emit CustomTaxPeriodChange(_liquidityFeeOnBuy, map.liquidityFeeOnBuy, 'liquidityFeeOnBuy', map.periodName);
			map.liquidityFeeOnBuy = _liquidityFeeOnBuy;
		}
		if (map.marketingFeeOnBuy != _marketingFeeOnBuy) {
			emit CustomTaxPeriodChange(_marketingFeeOnBuy, map.marketingFeeOnBuy, 'marketingFeeOnBuy', map.periodName);
			map.marketingFeeOnBuy = _marketingFeeOnBuy;
		}
		if (map.buyBackFeeOnBuy != _buyBackFeeOnBuy) {
			emit CustomTaxPeriodChange(_buyBackFeeOnBuy, map.buyBackFeeOnBuy, 'buyBackFeeOnBuy', map.periodName);
			map.buyBackFeeOnBuy = _buyBackFeeOnBuy;
		}
        if (map.gamingFeeOnBuy != _gamingFeeOnBuy) {
			emit CustomTaxPeriodChange(_gamingFeeOnBuy, map.gamingFeeOnBuy, 'gamingFeeOnBuy', map.periodName);
			map.gamingFeeOnBuy = _gamingFeeOnBuy;
		}
		if (map.holdersFeeOnBuy != _holdersFeeOnBuy) {
			emit CustomTaxPeriodChange(_holdersFeeOnBuy, map.holdersFeeOnBuy, 'holdersFeeOnBuy', map.periodName);
			map.holdersFeeOnBuy = _holdersFeeOnBuy;
		}
	}
	function _swapAndLiquify() private {
		uint256 contractBalance = balanceOf(address(this));
		uint256 initialEthBalance = address(this).balance;

		uint8 totalFeePrior = _totalFee;
		uint8 liquidityFeePrior = _liquidityFee;
		uint8 marketingFeePrior = _marketingFee;
		uint8 buyBackFeePrior  = _buyBackFee;
        uint8 gamingFeePrior = _gamingFee;
		uint8 holdersFeePrior = _holdersFee;

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

		_swapTokensForEth(amountToSwap);

		uint256 ethBalanceAfterSwap = address(this).balance - initialEthBalance;
		uint256 totalEthFee = totalFeePrior - (liquidityFeePrior / 2) - (holdersFeePrior);
		uint256 amountEthLiquidity = ethBalanceAfterSwap * liquidityFeePrior / totalEthFee / 2;
		uint256 amountEthMarketing = ethBalanceAfterSwap * marketingFeePrior / totalEthFee;
        uint256 amountEthGaming = ethBalanceAfterSwap * gamingFeePrior / totalEthFee;
		uint256 amountEthBuyBack = ethBalanceAfterSwap - (amountEthLiquidity + amountEthMarketing + amountEthGaming);

		payable(marketingWallet).transfer(amountEthMarketing);
		payable(buyBackWallet).transfer(amountEthBuyBack);
        payable(gamingWallet).transfer(amountEthGaming);

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

		_totalFee = totalFeePrior;
		_liquidityFee = liquidityFeePrior;
		_marketingFee = marketingFeePrior;
		_buyBackFee = buyBackFeePrior;
        _gamingFee = gamingFeePrior;
		_holdersFee = holdersFeePrior;
	}
	function _swapTokensForEth(uint256 tokenAmount) private {
		address[] memory path = new address[](2);
		path[0] = address(this);
		path[1] = uniswapV2Router.WETH();
		_approve(address(this), address(uniswapV2Router), tokenAmount);
		uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
			tokenAmount,
			0, // accept any amount of ETH
			path,
			address(this),
			block.timestamp
		);
	}
	function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
		_approve(address(this), address(uniswapV2Router), tokenAmount);
		uniswapV2Router.addLiquidityETH{value: ethAmount}(
			address(this),
			tokenAmount,
			0, // slippage is unavoidable
			0, // slippage is unavoidable
			liquidityWallet,
			block.timestamp
		);
	}
}