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// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity 0.8.19;

import "./IERC20.sol";
import "./SafeERC20.sol";
import "./Ownable.sol";
import "./Context.sol";
import "./ReentrancyGuard.sol";

import "./IUniswapV2Router02.sol";

/// @title PaalX Swap Smart Contract
/// @author Juan Snaider Cruickshank / Github: jscrui / Linkedin: juan-snaider-cruickshank
/// @notice This contract is a new layer for the Uniswap v2 Router, it allows users to swap tokens, Ether and tokens for Ether.
/// @dev All ownable functions are implemented with the onlyOwner modifier and it should be used with Multisignature wallet.

contract PaalXSwapContract is Context, Ownable, ReentrancyGuard {
    using SafeERC20 for IERC20;

    IUniswapV2Router02 public router;
    address constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

    uint256 public swappingFee;
    uint256 public swappingFeeDivisior;
    uint256 public referralFee;

    bool public isStopped;
    bool public isReferralStopped;

    mapping(address referrer => mapping(address tokenAddress => uint256 feeAmount))
        public referrals; // mapping(referrer => mapping(tokenAddress => feeAmount))
    mapping(address referrer => mapping(address sender => bool isReferredBy))
        public referredBy; // mapping(referrer => mapping(msg.sender => true))
    mapping(address token => uint256 totalReferralFee)
        public totalReferralFeePerToken;

    event Buy(
        address indexed sender,
        uint256 amountIn,
        address indexed tokenAddr,
        uint256 amountOut
    );
    event Sell(
        address indexed sender,
        uint256 amountIn,
        address indexed tokenAddr,
        uint256 amountOut
    );
    event SellTokensForTokens(
        address indexed sender,
        address indexed tokenIn,
        uint256 amountIn,
        address indexed tokenOut,
        uint256 amountOut
    );
    event ClaimedReferralFee(
        address indexed sender,
        uint256 amountClaimed,
        address token
    );
    event PausedReferrals(bool);

    /**
     * @param _router the address of the Uniswap v2 Router or compatible.
     */
    constructor(IUniswapV2Router02 _router) {
        router = _router;
        swappingFee = 1000;
        swappingFeeDivisior = 100000;
        referralFee = 10000; // 10%
    }

    /**
     * @notice Returns the amount after fee is deducted.
     * @param _amount the amount to be deducted.
     * @return newAmount the amount after the fee is deducted.
     */
    function getAmountAfterFee(
        uint256 _amount
    ) internal view returns (uint256) {
        return
            (_amount * (swappingFeeDivisior - swappingFee)) /
            swappingFeeDivisior;
    }

    /**
     * @notice Swaps Ether for tokens.
     * @dev the caller must send Ether along with the transaction.
     * @param _tokenOut the address of the token to be received.
     * @param _amountOutMin the minimum amount of tokens to receive; the transaction will revert if not met.
     * @param _deadline the deadline for the swap to be executed.
     * @param _referrer address who referred msg.sender.
     * @return amountOut the amount of tokens received.
     */
    function swapExactETHForTokens(
        address _tokenOut,
        uint256 _amountOutMin,
        uint256 _deadline,
        address _referrer
    ) external payable nonReentrant returns (uint256 amountOut) {
        require(!isStopped, "PAALXSWAP: Contract is not active");
        require(_tokenOut != address(0), "PAALXSWAP: Invalid _tokenOut");
        require(msg.value > 0, "PAALXSWAP: Not enough Ether");

        IERC20 token = IERC20(_tokenOut);

        // Calculate the amount to be swapped after the fee is deducted
        uint256 amountAfterFee = getAmountAfterFee(msg.value);

        // Set up the path for the swap
        address[] memory path = new address[](2);
        path[0] = router.WETH();
        path[1] = _tokenOut;

        // Record sender's initial tokenOut balance
        uint256 beforeBalance = token.balanceOf(msg.sender);

        // Perform token swap
        router.swapExactETHForTokensSupportingFeeOnTransferTokens{
            value: amountAfterFee
        }(_amountOutMin, path, msg.sender, block.timestamp + _deadline);

        // Record sender's final tokenOut balance
        uint256 afterBalance = token.balanceOf(msg.sender);

        // Calculate the amount of tokenOut received
        amountOut = afterBalance - beforeBalance;

        _updateReferrerReward(
            _referrer,
            msg.value - amountAfterFee,
            NATIVE_TOKEN
        );

        emit Buy(msg.sender, msg.value, _tokenOut, amountOut);
    }

    /**
     * @notice Swaps tokens for Ether.
     * @dev the caller must have approved this contract to spend the token on their behalf.
     * @param _tokenIn the address of the token to be swapped.
     * @param _amountIn the amount of tokens to be swapped.
     * @param _amountOutMin the minimum amount of Ether to receive; the transaction will revert if not met.
     * @param _deadline the deadline for the swap to be executed.
     * @param _referrer address who referred msg.sender.
     * @return amountOut the amount of Ether received.
     */
    function swapExactTokensForETH(
        address _tokenIn,
        uint256 _amountIn,
        uint256 _amountOutMin,
        uint256 _deadline,
        address _referrer
    ) external nonReentrant returns (uint256 amountOut) {
        require(!isStopped, "PAALXSWAP: Contract is not active");
        require(_tokenIn != address(0), "PAALXSWAP: Invalid _tokenIn");
        require(_amountIn > 0, "PAALXSWAP: Invalid amountIn");

        IERC20 token = IERC20(_tokenIn);

        // Record contract's initial balance
        uint256 initialBalance = token.balanceOf(address(this));

        // Transfer tokens from the sender to this contract
        token.safeTransferFrom(msg.sender, address(this), _amountIn);

        // Record the actual tokens received after any fee-on-transfer
        uint256 actualReceived = token.balanceOf(address(this)) -
            initialBalance;

        // Calculate the amount to be swapped after the fee is deducted
        uint256 actualReceivedAfterFee = getAmountAfterFee(actualReceived);

        // Approve the router to spend the tokens for the swap
        token.safeApprove(address(router), actualReceivedAfterFee);

        // Set up the path for the swap
        address[] memory path = new address[](2);
        path[0] = _tokenIn;
        path[1] = router.WETH();

        // Record sender's initial Ether balance
        uint256 beforeBalance = msg.sender.balance;

        // Perform the token swap
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            actualReceivedAfterFee,
            _amountOutMin,
            path,
            msg.sender,
            block.timestamp + _deadline
        );

        // Record sender's final Ether balance
        uint256 afterBalance = msg.sender.balance;

        // Calculate the amount of Ether received by the sender
        amountOut = afterBalance - beforeBalance;

        _updateReferrerReward(
            _referrer,
            actualReceived - actualReceivedAfterFee,
            _tokenIn
        );

        emit Sell(msg.sender, _amountIn, _tokenIn, amountOut);
    }

    /**
     * @notice Swaps tokens for tokens.
     * @dev the caller must have approved this contract to spend the token on their behalf.
     * @param _tokenIn the address of the token to be swapped.
     * @param _tokenOut the address of the token to be received.
     * @param _amountIn the amount of tokens to be swapped.
     * @param _amountOutMin the minimum amount of tokenOut to be received; the transaction will revert if not met.
     * @param _deadline the deadline for the swap to be executed.
     * @param _hasPair check if the addresses has a pair if not we use weth as a intermediary
     * @return amountOut the amount of tokens received.
     * @param _referrer address who referred msg.sender.
     */
    function swapExactTokensForTokens(
        address _tokenIn,
        address _tokenOut,
        uint256 _amountIn,
        uint256 _amountOutMin,
        uint256 _deadline,
        bool _hasPair,
        address _referrer
    ) external nonReentrant returns (uint256 amountOut) {
        require(!isStopped, "PAALXSWAP: Contract is not active");
        require(
            _tokenIn != address(0) && _tokenOut != address(0),
            "PAALXSWAP: Invalid tokenIn/tokenOut address"
        );
        require(_amountIn > 0, "PAALXSWAP: Invalid amountIn");

        IERC20 tokenInContract = IERC20(_tokenIn);
        IERC20 tokenOutContract = IERC20(_tokenOut);

        // Record contract's initial balance of _tokenIn
        uint256 initialBalanceTokenIn = tokenInContract.balanceOf(
            address(this)
        );

        // Transfer the _amountIn tokens from the sender to this contract
        tokenInContract.safeTransferFrom(msg.sender, address(this), _amountIn);

        // Calculate the actual tokens received after any fee-on-transfer
        uint256 actualReceived = tokenInContract.balanceOf(address(this)) -
            initialBalanceTokenIn;

        // Calculate the amount to be swapped after the fee is deducted
        uint256 actualReceivedAfterFee = getAmountAfterFee(actualReceived);

        // Record sender's initial balance of tokenOut
        uint256 initialBalanceTokenOut = tokenOutContract.balanceOf(msg.sender);

        // Set up the path for the swap based on the hasPair flag
        address[] memory path;
        if (_hasPair) {
            path = new address[](2);
            path[0] = _tokenIn;
            path[1] = _tokenOut;
        } else {
            path = new address[](3);
            path[0] = _tokenIn;
            path[1] = router.WETH(); // Use WETH as an intermediary
            path[2] = _tokenOut;
        }

        // Approve the router to spend the tokens for the swap
        tokenInContract.safeApprove(address(router), actualReceivedAfterFee);

        // Perform the token swap
        router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
            actualReceivedAfterFee,
            _amountOutMin,
            path,
            msg.sender,
            block.timestamp + _deadline
        );

        // Record sender's final tokenOut balance
        uint256 afterBalance = tokenOutContract.balanceOf(msg.sender);

        // Calculate the amount of tokenOut received by the sender
        amountOut = afterBalance - initialBalanceTokenOut;
        _updateReferrerReward(
            _referrer,
            actualReceived - actualReceivedAfterFee,
            _tokenIn
        );

        emit SellTokensForTokens(
            msg.sender,
            _tokenIn,
            _amountIn,
            _tokenOut,
            amountOut
        );
    }

    /**
     * @notice Set the router used for the swaps.
     * @param _newRouter the address of the new Uniswap v2 Router or compatible.
     */
    function setRouter(IUniswapV2Router02 _newRouter) external onlyOwner {
        require(
            address(_newRouter) != address(0),
            "PAALXSWAP: Invalid address"
        );
        router = _newRouter;
    }

    /**
     * @notice Withdraws all the Ether held by the contract.
     * @dev Only callable by the owner.
     */
    function withdrawEther() external onlyOwner {
        uint256 withdrawableETH = address(this).balance -
            totalReferralFeePerToken[NATIVE_TOKEN];
        require(withdrawableETH > 0, "No Eth in Contract");
        payable(owner()).transfer(withdrawableETH);
    }

    /**
     * @notice Withdraws all the tokens held by the contract.
     * @dev Only callable by the owner.
     * @param _tokenAddress the address of the token to be withdrawn
     */
    function withdrawERC20(
        address _tokenAddress
    ) external onlyOwner returns (bool result) {
        IERC20 token = IERC20(_tokenAddress);
        uint256 withdrawableTokenAmount = token.balanceOf(address(this)) -
            totalReferralFeePerToken[_tokenAddress];
        result = token.transfer(msg.sender, withdrawableTokenAmount);
    }

    /**
     * @notice Updates the referral fee.
     * @param _referrer address who referred msg.sender.
     * @param _swappingFeeAmount amount of fee generated by transaction.
     * @param _token address of tokenIn for transaction.
     */
    function _updateReferrerReward(
        address _referrer,
        uint256 _swappingFeeAmount,
        address _token
    ) internal {
        if (
            _referrer != address(0) &&
            !isReferralStopped &&
            _referrer != msg.sender
        ) {
            uint256 referrersFee = (_swappingFeeAmount * referralFee) /
                swappingFeeDivisior;

            if (referredBy[_referrer][msg.sender]) {
                referrals[_referrer][_token] += referrersFee;
            } else {
                referredBy[_referrer][msg.sender] = true;
                referrals[_referrer][_token] += referrersFee;
            }
            totalReferralFeePerToken[_token] += referrersFee;
        }
    }

    /**
     * @notice transfers referral fee of a token to msg.sender
     * @param _token address to claim
     */
    function claimReferralFee(address _token) external nonReentrant {
        uint256 amountToClaim = referrals[msg.sender][_token];
        require(amountToClaim > 0, "No Fee to Claim");
        referrals[msg.sender][_token] = 0;
        totalReferralFeePerToken[_token] -= amountToClaim;

        if (_token == NATIVE_TOKEN) payable(msg.sender).transfer(amountToClaim);
        else IERC20(_token).safeTransfer(msg.sender, amountToClaim);

        emit ClaimedReferralFee(msg.sender, amountToClaim, _token);
    }

    /**
     * @notice Set the swapping fee.
     * @dev The swapping fee is a percentage of the amount to be swapped and should be less than 5%. Only callable by the owner.
     * @param _swappingFee the new swapping fee in percentage
     * @param _swappingFeeDivisior the new swapping fee divisior
     *
     * Example:
     *  1% = 1000 / 100000
     *  0.1% = 100 / 100000
     *  0.01% = 10 / 100000
     */
    function setSwappingFee(
        uint256 _swappingFee,
        uint256 _swappingFeeDivisior
    ) external onlyOwner {
        require(_swappingFeeDivisior != 0, "PAALXSWAP: Divisor cannot be zero");
        require(
            (_swappingFee * 100) / _swappingFeeDivisior < 5,
            "PAALXSWAP: Fee must be < 5%"
        );
        swappingFee = _swappingFee;
        swappingFeeDivisior = _swappingFeeDivisior;
    }

    /**
     * @notice Update referralFeePercent.
     * @param _referralFee new referral fee percentage.
     * @dev only contract Owner can call this function.
     */
    function updateReferralFee(uint256 _referralFee) external onlyOwner {
        referralFee = _referralFee;
    }

    /**
     * @notice This function is used to stop the contract in case of emergency.
     * @param _isStopped the new state of the contract
     * @dev Only callable by the owner.
     */
    function emergencyStop(bool _isStopped) external onlyOwner {
        isStopped = _isStopped;
    }

    /**
     * @notice This function is used to stop the contract in case of emergency and withdraw all the funds.
     * @param _isStopped the new state of the contract
     * @dev Only callable by the owner.
     */
    function emergencyStopAndWithdraw(bool _isStopped) external onlyOwner {
        isStopped = _isStopped;
        payable(owner()).transfer(address(this).balance);
    }

    /**
     * @notice Checks referrers claimable fee balance for a token.
     * @param _referrer address to check.
     * @param _token address to check.
     * @return claimableReferralFee the amount _referrer can claim.
     */
    function checkReferralReward(
        address _referrer,
        address _token
    ) public view returns (uint256 claimableReferralFee) {
        claimableReferralFee = referrals[_referrer][_token];
    }

    /**
     * @notice pause referrals
     * @dev only contract Owner can call this function.
     */
    function pauseRefferals() external onlyOwner {
        require(isReferralStopped == false, "Already Paused");
        isReferralStopped = true;
        emit PausedReferrals(true);
    }

    /**
     * @notice resume referrals
     * @dev only contract Owner can call this function.
     */
    function resumeRefferals() external onlyOwner {
        require(isReferralStopped == true, "Already Active");
        isReferralStopped = false;
        emit PausedReferrals(false);
    }
}

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

pragma solidity ^0.8.19;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.6.2;

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);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

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;
}

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

pragma solidity ^0.8.0;

import "./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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 v4.9.0) (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() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./IERC20Permit.sol";
import "./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;

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    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));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    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");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "viaIR": true,
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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IUniswapV2Router02","name":"_router","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountIn","type":"uint256"},{"indexed":true,"internalType":"address","name":"tokenAddr","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountOut","type":"uint256"}],"name":"Buy","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountClaimed","type":"uint256"},{"indexed":false,"internalType":"address","name":"token","type":"address"}],"name":"ClaimedReferralFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"","type":"bool"}],"name":"PausedReferrals","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountIn","type":"uint256"},{"indexed":true,"internalType":"address","name":"tokenAddr","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountOut","type":"uint256"}],"name":"Sell","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"tokenIn","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountIn","type":"uint256"},{"indexed":true,"internalType":"address","name":"tokenOut","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountOut","type":"uint256"}],"name":"SellTokensForTokens","type":"event"},{"inputs":[{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"address","name":"_token","type":"address"}],"name":"checkReferralReward","outputs":[{"internalType":"uint256","name":"claimableReferralFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"claimReferralFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isStopped","type":"bool"}],"name":"emergencyStop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isStopped","type":"bool"}],"name":"emergencyStopAndWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isReferralStopped","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isStopped","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pauseRefferals","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"referralFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"tokenAddress","type":"address"}],"name":"referrals","outputs":[{"internalType":"uint256","name":"feeAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"referrer","type":"address"},{"internalType":"address","name":"sender","type":"address"}],"name":"referredBy","outputs":[{"internalType":"bool","name":"isReferredBy","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"resumeRefferals","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d

-----Decoded View---------------
Arg [0] : _router (address): 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d