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// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity =0.8.9;
pragma abicoder v2;

import "@openzeppelin/contracts/utils/math/Math.sol";
import "@gridexprotocol/core/contracts/interfaces/IGrid.sol";
import "@gridexprotocol/core/contracts/interfaces/IGridParameters.sol";
import "@gridexprotocol/core/contracts/interfaces/IGridFactory.sol";
import "@gridexprotocol/core/contracts/libraries/GridAddress.sol";
import "@gridexprotocol/core/contracts/libraries/CallbackValidator.sol";
import "@gridexprotocol/core/contracts/libraries/BoundaryMath.sol";
import "./interfaces/IMakerOrderManager.sol";
import "./interfaces/IRelativeOrderManager.sol";
import "./Multicall.sol";
import "./AbstractPayments.sol";
import "./AbstractSelfPermit2612.sol";

/// @title The implementation for the maker order manager
contract MakerOrderManager is
    IMakerOrderManager,
    IRelativeOrderManager,
    AbstractPayments,
    AbstractSelfPermit2612,
    Multicall
{
    constructor(address _gridFactory, address _weth9) AbstractPayments(_gridFactory, _weth9) {}

    struct PlaceMakerOrderCalldata {
        GridAddress.GridKey gridKey;
        address payer;
    }

    /// @inheritdoc IGridPlaceMakerOrderCallback
    function gridexPlaceMakerOrderCallback(uint256 amount0, uint256 amount1, bytes calldata data) external override {
        PlaceMakerOrderCalldata memory decodeData = abi.decode(data, (PlaceMakerOrderCalldata));
        CallbackValidator.validate(gridFactory, decodeData.gridKey);

        if (amount0 > 0) pay(decodeData.gridKey.token0, decodeData.payer, _msgSender(), amount0);

        if (amount1 > 0) pay(decodeData.gridKey.token1, decodeData.payer, _msgSender(), amount1);
    }

    /// @inheritdoc IMakerOrderManager
    function initialize(InitializeParameters calldata parameters) external payable {
        GridAddress.GridKey memory gridKey = GridAddress.gridKey(
            parameters.tokenA,
            parameters.tokenB,
            parameters.resolution
        );
        address grid = GridAddress.computeAddress(gridFactory, gridKey);

        address recipient = parameters.recipient == address(0) ? _msgSender() : parameters.recipient;

        IGrid(grid).initialize(
            IGridParameters.InitializeParameters({
                priceX96: parameters.priceX96,
                recipient: recipient,
                orders0: parameters.orders0,
                orders1: parameters.orders1
            }),
            abi.encode(PlaceMakerOrderCalldata({gridKey: gridKey, payer: _msgSender()}))
        );
    }

    /// @inheritdoc IMakerOrderManager
    function createGridAndInitialize(InitializeParameters calldata parameters) external payable {
        address grid = IGridFactory(gridFactory).createGrid(
            parameters.tokenA,
            parameters.tokenB,
            parameters.resolution
        );

        address recipient = parameters.recipient == address(0) ? _msgSender() : parameters.recipient;

        IGrid(grid).initialize(
            IGridParameters.InitializeParameters({
                priceX96: parameters.priceX96,
                recipient: recipient,
                orders0: parameters.orders0,
                orders1: parameters.orders1
            }),
            abi.encode(
                PlaceMakerOrderCalldata({
                    gridKey: GridAddress.gridKey(parameters.tokenA, parameters.tokenB, parameters.resolution),
                    payer: _msgSender()
                })
            )
        );
    }

    /// @inheritdoc IMakerOrderManager
    function placeMakerOrder(
        PlaceOrderParameters calldata parameters
    ) external payable checkDeadline(parameters.deadline) returns (uint256 orderId) {
        GridAddress.GridKey memory gridKey = GridAddress.gridKey(
            parameters.tokenA,
            parameters.tokenB,
            parameters.resolution
        );
        address grid = GridAddress.computeAddress(gridFactory, gridKey);

        address recipient = parameters.recipient == address(0) ? _msgSender() : parameters.recipient;

        orderId = _placeMakerOrder(
            grid,
            gridKey,
            recipient,
            parameters.zero,
            parameters.boundaryLower,
            parameters.amount
        );
    }

    function _placeMakerOrder(
        address grid,
        GridAddress.GridKey memory gridKey,
        address recipient,
        bool zero,
        int24 boundaryLower,
        uint128 amount
    ) private returns (uint256 orderId) {
        orderId = IGrid(grid).placeMakerOrder(
            IGridParameters.PlaceOrderParameters({
                recipient: recipient,
                zero: zero,
                boundaryLower: boundaryLower,
                amount: amount
            }),
            abi.encode(PlaceMakerOrderCalldata({gridKey: gridKey, payer: _msgSender()}))
        );
    }

    /// @inheritdoc IMakerOrderManager
    function placeMakerOrderInBatch(
        PlaceOrderInBatchParameters calldata parameters
    ) external payable checkDeadline(parameters.deadline) returns (uint256[] memory orderIds) {
        GridAddress.GridKey memory gridKey = GridAddress.gridKey(
            parameters.tokenA,
            parameters.tokenB,
            parameters.resolution
        );
        address grid = GridAddress.computeAddress(gridFactory, gridKey);

        address recipient = parameters.recipient == address(0) ? _msgSender() : parameters.recipient;

        orderIds = IGrid(grid).placeMakerOrderInBatch(
            IGridParameters.PlaceOrderInBatchParameters({
                recipient: recipient,
                zero: parameters.zero,
                orders: parameters.orders
            }),
            abi.encode(PlaceMakerOrderCalldata({gridKey: gridKey, payer: _msgSender()}))
        );
    }

    /// @inheritdoc IRelativeOrderManager
    function placeRelativeOrder(
        RelativeOrderParameters calldata parameters
    ) external payable checkDeadline(parameters.deadline) returns (uint256 orderId) {
        // MOM_AIZ: amount is zero
        require(parameters.amount > 0, "MOM_AIZ");

        GridAddress.GridKey memory gridKey = GridAddress.gridKey(
            parameters.tokenA,
            parameters.tokenB,
            parameters.resolution
        );
        address grid = GridAddress.computeAddress(gridFactory, gridKey);

        (uint160 priceX96, , , ) = IGrid(grid).slot0();
        uint160 targetPriceX96 = parameters.priceDeltaX96 > 0
            ? priceX96 + uint160(parameters.priceDeltaX96)
            : priceX96 - uint160(-parameters.priceDeltaX96);

        // MOM_POR: price out of range
        require(BoundaryMath.isPriceX96InRange(targetPriceX96), "MOM_POR");
        require(
            targetPriceX96 >= parameters.priceMinimumX96 && targetPriceX96 <= parameters.priceMaximumX96,
            "MOM_POR"
        );

        int24 boundaryLower = BoundaryMath.rewriteToValidBoundaryLower(
            BoundaryMath.getBoundaryLowerAtBoundary(
                BoundaryMath.getBoundaryAtPriceX96(targetPriceX96),
                parameters.resolution
            ),
            parameters.resolution
        );

        // when the input is token1 and the price has reached the right boundary price,
        // we need to subtract a resolution from boundary lower
        if (!parameters.zero) {
            uint160 priceMaxX96 = BoundaryMath.getPriceX96AtBoundary(boundaryLower);
            boundaryLower = priceMaxX96 == targetPriceX96
                ? BoundaryMath.rewriteToValidBoundaryLower(
                    boundaryLower -= parameters.resolution,
                    parameters.resolution
                ) // avoid underflow
                : boundaryLower;
        }

        address recipient = parameters.recipient == address(0) ? _msgSender() : parameters.recipient;

        orderId = _placeMakerOrder(grid, gridKey, recipient, parameters.zero, boundaryLower, parameters.amount);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

/// @title Callback for IGrid#placeMakerOrder
/// @notice Any contract that calls IGrid#placeMakerOrder must implement this interface
interface IGridPlaceMakerOrderCallback {
    /// @notice Called to `msg.sender` after executing a place maker order via IGrid#placeMakerOrder
    /// @dev In this implementation, you are required to pay the grid tokens owed for the maker order.
    /// The caller of the method must be a grid deployed by the canonical GridFactory.
    /// At most one of amount0 and amount1 is a positive number
    /// @param amount0 The grid will receive the amount of token0 upon placement of the maker order.
    /// In the receiving case, the callback must send this amount of token0 to the grid
    /// @param amount1 The grid will receive the amount of token1 upon placement of the maker order.
    /// In the receiving case, the callback must send this amount of token1 to the grid
    /// @param data Any data passed through by the caller via the IGrid#placeMakerOrder call
    function gridexPlaceMakerOrderCallback(uint256 amount0, uint256 amount1, bytes calldata data) external;
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "./IGridStructs.sol";
import "./IGridParameters.sol";

/// @title The interface for Gridex grid
interface IGrid {
    ///==================================== Grid States  ====================================

    /// @notice The first token in the grid, after sorting by address
    function token0() external view returns (address);

    /// @notice The second token in the grid, after sorting by address
    function token1() external view returns (address);

    /// @notice The step size in initialized boundaries for a grid created with a given fee
    function resolution() external view returns (int24);

    /// @notice The fee paid to the grid denominated in hundredths of a bip, i.e. 1e-6
    function takerFee() external view returns (int24);

    /// @notice The 0th slot of the grid holds a lot of values that can be gas-efficiently accessed
    /// externally as a single method
    /// @return priceX96 The current price of the grid, as a Q64.96
    /// @return boundary The current boundary of the grid
    /// @return blockTimestamp The time the oracle was last updated
    /// @return unlocked Whether the grid is unlocked or not
    function slot0() external view returns (uint160 priceX96, int24 boundary, uint32 blockTimestamp, bool unlocked);

    /// @notice Returns the boundary information of token0
    /// @param boundary The boundary of the grid
    /// @return bundle0Id The unique identifier of bundle0
    /// @return bundle1Id The unique identifier of bundle1
    /// @return makerAmountRemaining The remaining amount of token0 that can be swapped out,
    /// which is the sum of bundle0 and bundle1
    function boundaries0(
        int24 boundary
    ) external view returns (uint64 bundle0Id, uint64 bundle1Id, uint128 makerAmountRemaining);

    /// @notice Returns the boundary information of token1
    /// @param boundary The boundary of the grid
    /// @return bundle0Id The unique identifier of bundle0
    /// @return bundle1Id The unique identifier of bundle1
    /// @return makerAmountRemaining The remaining amount of token1 that can be swapped out,
    /// which is the sum of bundle0 and bundle1
    function boundaries1(
        int24 boundary
    ) external view returns (uint64 bundle0Id, uint64 bundle1Id, uint128 makerAmountRemaining);

    /// @notice Returns 256 packed boundary initialized boolean values for token0
    function boundaryBitmaps0(int16 wordPos) external view returns (uint256 word);

    /// @notice Returns 256 packed boundary initialized boolean values for token1
    function boundaryBitmaps1(int16 wordPos) external view returns (uint256 word);

    /// @notice Returns the amount owed for token0 and token1
    /// @param owner The address of owner
    /// @return token0 The amount of token0 owed
    /// @return token1 The amount of token1 owed
    function tokensOweds(address owner) external view returns (uint128 token0, uint128 token1);

    /// @notice Returns the information of a given bundle
    /// @param bundleId The unique identifier of the bundle
    /// @return boundaryLower The lower boundary of the bundle
    /// @return zero When zero is true, it represents token0, otherwise it represents token1
    /// @return makerAmountTotal The total amount of token0 or token1 that the maker added
    /// @return makerAmountRemaining The remaining amount of token0 or token1 that can be swapped out from the makers
    /// @return takerAmountRemaining The remaining amount of token0 or token1 that have been swapped in from the takers
    /// @return takerFeeAmountRemaining The remaining amount of fees that takers have paid in
    function bundles(
        uint64 bundleId
    )
        external
        view
        returns (
            int24 boundaryLower,
            bool zero,
            uint128 makerAmountTotal,
            uint128 makerAmountRemaining,
            uint128 takerAmountRemaining,
            uint128 takerFeeAmountRemaining
        );

    /// @notice Returns the information of a given order
    /// @param orderId The unique identifier of the order
    /// @return bundleId The unique identifier of the bundle -- represents which bundle this order belongs to
    /// @return owner The address of the owner of the order
    /// @return amount The amount of token0 or token1 to add
    function orders(uint256 orderId) external view returns (uint64 bundleId, address owner, uint128 amount);

    ///==================================== Grid Actions ====================================

    /// @notice Initializes the grid with the given parameters
    /// @dev The caller of this method receives a callback in the form of
    /// IGridPlaceMakerOrderCallback#gridexPlaceMakerOrderCallback.
    /// When initializing the grid, token0 and token1's liquidity must be added simultaneously.
    /// @param parameters The parameters used to initialize the grid
    /// @param data Any data to be passed through to the callback
    /// @return orderIds0 The unique identifiers of the orders for token0
    /// @return orderIds1 The unique identifiers of the orders for token1
    function initialize(
        IGridParameters.InitializeParameters memory parameters,
        bytes calldata data
    ) external returns (uint256[] memory orderIds0, uint256[] memory orderIds1);

    /// @notice Swaps token0 for token1, or vice versa
    /// @dev The caller of this method receives a callback in the form of IGridSwapCallback#gridexSwapCallback
    /// @param recipient The address to receive the output of the swap
    /// @param zeroForOne The swap direction, true for token0 to token1 and false otherwise
    /// @param amountSpecified The amount of the swap, configured as an exactInput (positive)
    /// or an exactOutput (negative)
    /// @param priceLimitX96 Swap price limit: if zeroForOne, the price will not be less than this value after swap,
    /// if oneForZero, it will not be greater than this value after swap, as a Q64.96
    /// @param data Any data to be passed through to the callback
    /// @return amount0 The balance change of the grid's token0. When negative, it will reduce the balance
    /// by the exact amount. When positive, it will increase by at least this amount
    /// @return amount1 The balance change of the grid's token1. When negative, it will reduce the balance
    /// by the exact amount. When positive, it will increase by at least this amount.
    function swap(
        address recipient,
        bool zeroForOne,
        int256 amountSpecified,
        uint160 priceLimitX96,
        bytes calldata data
    ) external returns (int256 amount0, int256 amount1);

    /// @notice Places a maker order on the grid
    /// @dev The caller of this method receives a callback in the form of
    /// IGridPlaceMakerOrderCallback#gridexPlaceMakerOrderCallback
    /// @param parameters The parameters used to place the maker order
    /// @param data Any data to be passed through to the callback
    /// @return orderId The unique identifier of the order
    function placeMakerOrder(
        IGridParameters.PlaceOrderParameters memory parameters,
        bytes calldata data
    ) external returns (uint256 orderId);

    /// @notice Places maker orders on the grid
    /// @dev The caller of this method receives a callback in the form of
    /// IGridPlaceMakerOrderCallback#gridexPlaceMakerOrderCallback
    /// @param parameters The parameters used to place the maker orders
    /// @param data Any data to be passed through to the callback
    /// @return orderIds The unique identifiers of the orders
    function placeMakerOrderInBatch(
        IGridParameters.PlaceOrderInBatchParameters memory parameters,
        bytes calldata data
    ) external returns (uint256[] memory orderIds);

    /// @notice Settles a maker order
    /// @param orderId The unique identifier of the order
    /// @return amount0 The amount of token0 that the maker received
    /// @return amount1 The amount of token1 that the maker received
    function settleMakerOrder(uint256 orderId) external returns (uint128 amount0, uint128 amount1);

    /// @notice Settle maker order and collect
    /// @param recipient The address to receive the output of the settlement
    /// @param orderId The unique identifier of the order
    /// @param unwrapWETH9 Whether to unwrap WETH9 to ETH
    /// @return amount0 The amount of token0 that the maker received
    /// @return amount1 The amount of token1 that the maker received
    function settleMakerOrderAndCollect(
        address recipient,
        uint256 orderId,
        bool unwrapWETH9
    ) external returns (uint128 amount0, uint128 amount1);

    /// @notice Settles maker orders and collects in a batch
    /// @param recipient The address to receive the output of the settlement
    /// @param orderIds The unique identifiers of the orders
    /// @param unwrapWETH9 Whether to unwrap WETH9 to ETH
    /// @return amount0Total The total amount of token0 that the maker received
    /// @return amount1Total The total amount of token1 that the maker received
    function settleMakerOrderAndCollectInBatch(
        address recipient,
        uint256[] memory orderIds,
        bool unwrapWETH9
    ) external returns (uint128 amount0Total, uint128 amount1Total);

    /// @notice For flash swaps. The caller borrows assets and returns them in the callback of the function,
    /// in addition to a fee
    /// @dev The caller of this function receives a callback in the form of IGridFlashCallback#gridexFlashCallback
    /// @param recipient The address which will receive the token0 and token1
    /// @param amount0 The amount of token0 to receive
    /// @param amount1 The amount of token1 to receive
    /// @param data Any data to be passed through to the callback
    function flash(address recipient, uint256 amount0, uint256 amount1, bytes calldata data) external;

    /// @notice Collects tokens owed
    /// @param recipient The address to receive the collected fees
    /// @param amount0Requested The maximum amount of token0 to send.
    /// Set to 0 if fees should only be collected in token1.
    /// @param amount1Requested The maximum amount of token1 to send.
    /// Set to 0 if fees should only be collected in token0.
    /// @return amount0 The amount of fees collected in token0
    /// @return amount1 The amount of fees collected in token1
    function collect(
        address recipient,
        uint128 amount0Requested,
        uint128 amount1Requested
    ) external returns (uint128 amount0, uint128 amount1);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

/// @title The interface for Gridex grid factory
interface IGridFactory {
    /// @notice Emitted when a new resolution is enabled for grid creation via the grid factory
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @param takerFee The taker fee, denominated in hundredths of a bip (i.e. 1e-6)
    event ResolutionEnabled(int24 indexed resolution, int24 indexed takerFee);

    /// @notice Emitted upon grid creation
    /// @param token0 The first token in the grid, after sorting by address
    /// @param token1 The first token in the grid, after sorting by address
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @param grid The address of the deployed grid
    event GridCreated(address indexed token0, address indexed token1, int24 indexed resolution, address grid);

    /// @notice Returns the taker fee for the given resolution if enabled. Else, returns 0.
    /// @dev A resolution can never be removed, so this value should be hard coded or cached in the calling context
    /// @param resolution The enabled resolution
    /// @return takerFee The taker fee, denominated in hundredths of a bip (i.e. 1e-6)
    function resolutions(int24 resolution) external view returns (int24 takerFee);

    /// @notice The implementation address of the price oracle
    function priceOracle() external view returns (address);

    /// @notice Returns the grid address for a given token pair and a resolution. Returns 0 if the pair does not exist.
    /// @dev tokenA and tokenB may be passed in, in the order of either token0/token1 or token1/token0
    /// @param tokenA The contract address of either token0 or token1
    /// @param tokenB The contract address of the other token
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return grid The grid address
    function grids(address tokenA, address tokenB, int24 resolution) external view returns (address grid);

    /// @notice Concat grid creation code bytes
    /// @dev Split the creationCode of the Grid contract into two parts, so that the Gas Limit of particular networks can be met when deploying.
    /// @param gridSuffixCreationCode This parameter is the second half of the creationCode of the Grid contract.
    function concatGridSuffixCreationCode(bytes memory gridSuffixCreationCode) external;

    /// @notice Creates a grid for a given pair of tokens and resolution
    /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0.
    /// @param tokenA One token of the grid token pair
    /// @param tokenB The other token of the grid token pair
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return grid The address of the deployed grid
    function createGrid(address tokenA, address tokenB, int24 resolution) external returns (address grid);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

interface IGridParameters {
    /// @dev Parameters for initializing the grid
    struct InitializeParameters {
        /// @dev The initial price of the grid, as a Q64.96.
        /// Price is represented as an amountToken1/amountToken0 Q64.96 value.
        uint160 priceX96;
        /// @dev The address to receive orders
        address recipient;
        /// @dev Represents the order parameters for token0
        BoundaryLowerWithAmountParameters[] orders0;
        /// @dev Represents the order parameters for token1
        BoundaryLowerWithAmountParameters[] orders1;
    }

    /// @dev Parameters for placing an order
    struct PlaceOrderParameters {
        /// @dev The address to receive the order
        address recipient;
        /// @dev When zero is true, it represents token0, otherwise it represents token1
        bool zero;
        /// @dev The lower boundary of the order
        int24 boundaryLower;
        /// @dev The amount of token0 or token1 to add
        uint128 amount;
    }

    struct PlaceOrderInBatchParameters {
        /// @dev The address to receive the order
        address recipient;
        /// @dev When zero is true, it represents token0, otherwise it represents token1
        bool zero;
        BoundaryLowerWithAmountParameters[] orders;
    }

    struct BoundaryLowerWithAmountParameters {
        /// @dev The lower boundary of the order
        int24 boundaryLower;
        /// @dev The amount of token0 or token1 to add
        uint128 amount;
    }

    /// @dev Status during swap
    struct SwapState {
        /// @dev When true, token0 is swapped for token1, otherwise token1 is swapped for token0
        bool zeroForOne;
        /// @dev The remaining amount of the swap, which implicitly configures
        /// the swap as exact input (positive), or exact output (negative)
        int256 amountSpecifiedRemaining;
        /// @dev The calculated amount to be inputted
        uint256 amountInputCalculated;
        /// @dev The calculated amount of fee to be inputted
        uint256 feeAmountInputCalculated;
        /// @dev The calculated amount to be outputted
        uint256 amountOutputCalculated;
        /// @dev The price of the grid, as a Q64.96
        uint160 priceX96;
        uint160 priceLimitX96;
        /// @dev The boundary of the grid
        int24 boundary;
        /// @dev The lower boundary of the grid
        int24 boundaryLower;
        uint160 initializedBoundaryLowerPriceX96;
        uint160 initializedBoundaryUpperPriceX96;
        /// @dev Whether the swap has been completed
        bool stopSwap;
    }

    struct SwapForBoundaryState {
        /// @dev The price indicated by the lower boundary, as a Q64.96
        uint160 boundaryLowerPriceX96;
        /// @dev The price indicated by the upper boundary, as a Q64.96
        uint160 boundaryUpperPriceX96;
        /// @dev The price indicated by the lower or upper boundary, as a Q64.96.
        /// When using token0 to exchange token1, it is equal to boundaryLowerPriceX96,
        /// otherwise it is equal to boundaryUpperPriceX96
        uint160 boundaryPriceX96;
        /// @dev The price of the grid, as a Q64.96
        uint160 priceX96;
    }

    struct UpdateBundleForTakerParameters {
        /// @dev The amount to be swapped in to bundle0
        uint256 amountInUsed;
        /// @dev The remaining amount to be swapped in to bundle1
        uint256 amountInRemaining;
        /// @dev The amount to be swapped out to bundle0
        uint128 amountOutUsed;
        /// @dev The remaining amount to be swapped out to bundle1
        uint128 amountOutRemaining;
        /// @dev The amount to be paid to bundle0
        uint128 takerFeeForMakerAmountUsed;
        /// @dev The amount to be paid to bundle1
        uint128 takerFeeForMakerAmountRemaining;
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

interface IGridStructs {
    struct Bundle {
        int24 boundaryLower;
        bool zero;
        uint128 makerAmountTotal;
        uint128 makerAmountRemaining;
        uint128 takerAmountRemaining;
        uint128 takerFeeAmountRemaining;
    }

    struct Boundary {
        uint64 bundle0Id;
        uint64 bundle1Id;
        uint128 makerAmountRemaining;
    }

    struct Order {
        uint64 bundleId;
        address owner;
        uint128 amount;
    }

    struct TokensOwed {
        uint128 token0;
        uint128 token1;
    }

    struct Slot0 {
        uint160 priceX96;
        int24 boundary;
        uint32 blockTimestamp;
        bool unlocked;
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

interface IWETHMinimum {
    function deposit() external payable;

    function transfer(address dst, uint256 wad) external returns (bool);

    function withdraw(uint256) external;

    function approve(address guy, uint256 wad) external returns (bool);

    function balanceOf(address dst) external view returns (uint256);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

library BoundaryMath {
    int24 public constant MIN_BOUNDARY = -527400;
    int24 public constant MAX_BOUNDARY = 443635;

    /// @dev The minimum value that can be returned from #getPriceX96AtBoundary. Equivalent to getPriceX96AtBoundary(MIN_BOUNDARY)
    uint160 internal constant MIN_RATIO = 989314;
    /// @dev The maximum value that can be returned from #getPriceX96AtBoundary. Equivalent to getPriceX96AtBoundary(MAX_BOUNDARY)
    uint160 internal constant MAX_RATIO = 1461300573427867316570072651998408279850435624081;

    /// @dev Checks if a boundary is divisible by a resolution
    /// @param boundary The boundary to check
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return isValid Whether or not the boundary is valid
    function isValidBoundary(int24 boundary, int24 resolution) internal pure returns (bool isValid) {
        return boundary % resolution == 0;
    }

    /// @dev Checks if a boundary is within the valid range
    /// @param boundary The boundary to check
    /// @return inRange Whether or not the boundary is in range
    function isInRange(int24 boundary) internal pure returns (bool inRange) {
        return boundary >= MIN_BOUNDARY && boundary <= MAX_BOUNDARY;
    }

    /// @dev Checks if a price is within the valid range
    /// @param priceX96 The price to check, as a Q64.96
    /// @return inRange Whether or not the price is in range
    function isPriceX96InRange(uint160 priceX96) internal pure returns (bool inRange) {
        return priceX96 >= MIN_RATIO && priceX96 <= MAX_RATIO;
    }

    /// @notice Calculates the price at a given boundary
    /// @dev priceX96 = pow(1.0001, boundary) * 2**96
    /// @param boundary The boundary to calculate the price at
    /// @return priceX96 The price at the boundary, as a Q64.96
    function getPriceX96AtBoundary(int24 boundary) internal pure returns (uint160 priceX96) {
        unchecked {
            uint256 absBoundary = boundary < 0 ? uint256(-int256(boundary)) : uint24(boundary);

            uint256 ratio = absBoundary & 0x1 != 0
                ? 0xfff97272373d413259a46990580e213a
                : 0x100000000000000000000000000000000;
            if (absBoundary & 0x2 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;
            if (absBoundary & 0x4 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;
            if (absBoundary & 0x8 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;
            if (absBoundary & 0x10 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;
            if (absBoundary & 0x20 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;
            if (absBoundary & 0x40 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;
            if (absBoundary & 0x80 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;
            if (absBoundary & 0x100 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;
            if (absBoundary & 0x200 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;
            if (absBoundary & 0x400 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;
            if (absBoundary & 0x800 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;
            if (absBoundary & 0x1000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;
            if (absBoundary & 0x2000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;
            if (absBoundary & 0x4000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;
            if (absBoundary & 0x8000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;
            if (absBoundary & 0x10000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;
            if (absBoundary & 0x20000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;
            if (absBoundary & 0x40000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;
            if (absBoundary & 0x80000 != 0) ratio = (ratio * 0x149b34ee7ac263) >> 128;

            if (boundary > 0) ratio = type(uint256).max / ratio;

            // this divides by 1<<32 and rounds up to go from a Q128.128 to a Q128.96.
            // due to out boundary input limitations, we then proceed to downcast as the
            // result will always fit within 160 bits.
            // we round up in the division so that getBoundaryAtPriceX96 of the output price is always consistent
            priceX96 = uint160((ratio + 0xffffffff) >> 32);
        }
    }

    /// @notice Calculates the boundary at a given price
    /// @param priceX96 The price to calculate the boundary at, as a Q64.96
    /// @return boundary The boundary at the price
    function getBoundaryAtPriceX96(uint160 priceX96) internal pure returns (int24 boundary) {
        unchecked {
            uint256 ratio = uint256(priceX96) << 32;

            uint256 r = ratio;
            uint256 msb = 0;

            assembly {
                let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(5, gt(r, 0xFFFFFFFF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(4, gt(r, 0xFFFF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(3, gt(r, 0xFF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(2, gt(r, 0xF))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := shl(1, gt(r, 0x3))
                msb := or(msb, f)
                r := shr(f, r)
            }
            assembly {
                let f := gt(r, 0x1)
                msb := or(msb, f)
            }

            if (msb >= 128) r = ratio >> (msb - 127);
            else r = ratio << (127 - msb);

            int256 log_2 = (int256(msb) - 128) << 64;

            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(63, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(62, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(61, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(60, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(59, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(58, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(57, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(56, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(55, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(54, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(53, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(52, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(51, f))
                r := shr(f, r)
            }
            assembly {
                r := shr(127, mul(r, r))
                let f := shr(128, r)
                log_2 := or(log_2, shl(50, f))
            }

            int256 log10001 = log_2 * 127869479499801913173570;
            // 128.128 number

            int24 boundaryLow = int24((log10001 - 1701496478404566090792001455681771637) >> 128);
            int24 boundaryHi = int24((log10001 + 289637967442836604689790891002483458648) >> 128);

            boundary = boundaryLow == boundaryHi ? boundaryLow : getPriceX96AtBoundary(boundaryHi) <= priceX96
                ? boundaryHi
                : boundaryLow;
        }
    }

    /// @dev Returns the lower boundary for the given boundary and resolution.
    /// The lower boundary may not be valid (if out of the boundary range)
    /// @param boundary The boundary to get the lower boundary for
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return boundaryLower The lower boundary for the given boundary and resolution
    function getBoundaryLowerAtBoundary(int24 boundary, int24 resolution) internal pure returns (int24 boundaryLower) {
        unchecked {
            return boundary - (((boundary % resolution) + resolution) % resolution);
        }
    }

    /// @dev Rewrite the lower boundary that is not in the range to a valid value
    /// @param boundaryLower The lower boundary to rewrite
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return validBoundaryLower The valid lower boundary
    function rewriteToValidBoundaryLower(
        int24 boundaryLower,
        int24 resolution
    ) internal pure returns (int24 validBoundaryLower) {
        unchecked {
            if (boundaryLower < MIN_BOUNDARY) return boundaryLower + resolution;
            else if (boundaryLower + resolution > MAX_BOUNDARY) return boundaryLower - resolution;
            else return boundaryLower;
        }
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "./GridAddress.sol";

library CallbackValidator {
    /// @dev Validates the `msg.sender` is the canonical grid address for the given parameters
    /// @param gridFactory The address of the grid factory
    /// @param gridKey The grid key to compute the canonical address for the grid
    function validate(address gridFactory, GridAddress.GridKey memory gridKey) internal view {
        // CV_IC: invalid caller
        require(GridAddress.computeAddress(gridFactory, gridKey) == msg.sender, "CV_IC");
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Create2.sol";

library GridAddress {
    bytes32 internal constant GRID_BYTES_CODE_HASH = 0x884a6891a166f885bf6f0a3b330a25e41d1761a5aa091110a229d9a0e34b2c36;

    struct GridKey {
        address token0;
        address token1;
        int24 resolution;
    }

    /// @notice Constructs the grid key for the given parameters
    /// @dev tokenA and tokenB may be passed in, in the order of either token0/token1 or token1/token0
    /// @param tokenA The contract address of either token0 or token1
    /// @param tokenB The contract address of the other token
    /// @param resolution The step size in initialized boundaries for a grid created with a given fee
    /// @return key The grid key to compute the canonical address for the grid
    function gridKey(address tokenA, address tokenB, int24 resolution) internal pure returns (GridKey memory key) {
        if (tokenA > tokenB) (tokenA, tokenB) = (tokenB, tokenA);

        return GridKey(tokenA, tokenB, resolution);
    }

    /// @dev Computes the CREATE2 address for a grid with the given parameters
    /// @param gridFactory The address of the grid factory
    /// @param key The grid key to compute the canonical address for the grid
    /// @return grid The computed address
    function computeAddress(address gridFactory, GridKey memory key) internal pure returns (address grid) {
        require(key.token0 < key.token1);
        return
            Create2.computeAddress(
                keccak256(abi.encode(key.token0, key.token1, key.resolution)),
                GRID_BYTES_CODE_HASH,
                gridFactory
            );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-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.
 */
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].
     */
    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: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.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));
        }
    }

    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");
        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 (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return 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 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 (last updated v4.8.0) (utils/Create2.sol)

pragma solidity ^0.8.0;

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(
        uint256 amount,
        bytes32 salt,
        bytes memory bytecode
    ) internal returns (address addr) {
        require(address(this).balance >= amount, "Create2: insufficient balance");
        require(bytecode.length != 0, "Create2: bytecode length is zero");
        /// @solidity memory-safe-assembly
        assembly {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
        }
        require(addr != address(0), "Create2: Failed on deploy");
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
     * `bytecodeHash` or `salt` will result in a new destination address.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
        return computeAddress(salt, bytecodeHash, address(this));
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
     * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
     */
    function computeAddress(
        bytes32 salt,
        bytes32 bytecodeHash,
        address deployer
    ) internal pure returns (address addr) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40) // Get free memory pointer

            // |                   | ↓ ptr ...  ↓ ptr + 0x0B (start) ...  ↓ ptr + 0x20 ...  ↓ ptr + 0x40 ...   |
            // |-------------------|---------------------------------------------------------------------------|
            // | bytecodeHash      |                                                        CCCCCCCCCCCCC...CC |
            // | salt              |                                      BBBBBBBBBBBBB...BB                   |
            // | deployer          | 000000...0000AAAAAAAAAAAAAAAAAAA...AA                                     |
            // | 0xFF              |            FF                                                             |
            // |-------------------|---------------------------------------------------------------------------|
            // | memory            | 000000...00FFAAAAAAAAAAAAAAAAAAA...AABBBBBBBBBBBBB...BBCCCCCCCCCCCCC...CC |
            // | keccak(start, 85) |            ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |

            mstore(add(ptr, 0x40), bytecodeHash)
            mstore(add(ptr, 0x20), salt)
            mstore(ptr, deployer) // Right-aligned with 12 preceding garbage bytes
            let start := add(ptr, 0x0b) // The hashed data starts at the final garbage byte which we will set to 0xff
            mstore8(start, 0xff)
            addr := keccak256(start, 85)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@gridexprotocol/core/contracts/interfaces/IWETHMinimum.sol";
import "./interfaces/IPayments.sol";

abstract contract AbstractPayments is IPayments, Context {
    /// @dev The address of IGridFactory
    address public immutable gridFactory;
    /// @dev The address of IWETHMinimum
    address public immutable weth9;

    constructor(address _gridFactory, address _weth9) {
        // AP_NC: not contract
        require(Address.isContract(_gridFactory), "AP_NC");
        require(Address.isContract(_weth9), "AP_NC");

        gridFactory = _gridFactory;
        weth9 = _weth9;
    }

    modifier checkDeadline(uint256 deadline) {
        // AP_TTO: transaction too old
        require(block.timestamp <= deadline, "AP_TTO");
        _;
    }

    receive() external payable {
        // AP_WETH9: not WETH9
        require(_msgSender() == weth9, "AP_WETH9");
    }

    /// @inheritdoc IPayments
    function unwrapWETH9(uint256 amountMinimum, address recipient) public payable override {
        uint256 balanceWETH9 = IWETHMinimum(weth9).balanceOf(address(this));
        // AP_IWETH9: insufficient WETH9
        require(balanceWETH9 >= amountMinimum, "AP_IWETH9");

        if (balanceWETH9 > 0) {
            IWETHMinimum(weth9).withdraw(balanceWETH9);
            Address.sendValue(payable(recipient), balanceWETH9);
        }
    }

    /// @inheritdoc IPayments
    function sweepToken(address token, uint256 amountMinimum, address recipient) public payable override {
        uint256 balanceToken = IERC20(token).balanceOf(address(this));
        // AP_ITKN: insufficient token
        require(balanceToken >= amountMinimum, "AP_ITKN");

        if (balanceToken > 0) SafeERC20.safeTransfer(IERC20(token), recipient, balanceToken);
    }

    /// @inheritdoc IPayments
    function refundNativeToken() external payable {
        if (address(this).balance > 0) Address.sendValue(payable(_msgSender()), address(this).balance);
    }

    /// @dev Pays the token to the recipient
    /// @param token The token to pay
    /// @param payer The address of the payment token
    /// @param recipient The address that will receive the payment
    /// @param amount The amount to pay
    function pay(address token, address payer, address recipient, uint256 amount) internal {
        if (token == weth9 && address(this).balance >= amount) {
            // pay with WETH9
            Address.sendValue(payable(weth9), amount);
            IWETHMinimum(weth9).transfer(recipient, amount);
        } else if (payer == address(this)) SafeERC20.safeTransfer(IERC20(token), recipient, amount);
        else SafeERC20.safeTransferFrom(IERC20(token), payer, recipient, amount);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol";

/// @dev Backward compatible EIP-2612 contract definitions.
//  For more information, please refer to https://eips.ethereum.org/EIPS/eip-2612#backwards-compatibility
interface IPermit2612Compatible {
    function permit(
        address holder,
        address spender,
        uint256 nonce,
        uint256 expiry,
        bool allowed,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

/// @dev Base contract for supporting the EIP-2612 specification.
/// For more information, please refer to https://eips.ethereum.org/EIPS/eip-2612
abstract contract AbstractSelfPermit2612 {
    function selfPermit(
        address token,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable {
        IERC20Permit(token).permit(msg.sender, address(this), value, deadline, v, r, s);
    }

    function selfPermitIfNecessary(
        address token,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable {
        if (IERC20(token).allowance(msg.sender, address(this)) < value)
            IERC20Permit(token).permit(msg.sender, address(this), value, deadline, v, r, s);
    }

    function selfPermitCompatible(
        address token,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable {
        IPermit2612Compatible(token).permit(msg.sender, address(this), nonce, expiry, true, v, r, s);
    }

    function selfPermitCompatibleIfNecessary(
        address token,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external payable {
        if (IERC20(token).allowance(msg.sender, address(this)) < type(uint256).max)
            IPermit2612Compatible(token).permit(msg.sender, address(this), nonce, expiry, true, v, r, s);
    }
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

import "@gridexprotocol/core/contracts/interfaces/callback/IGridPlaceMakerOrderCallback.sol";
import "@gridexprotocol/core/contracts/interfaces/IGridParameters.sol";

/// @title The interface for the maker order manager
interface IMakerOrderManager is IGridPlaceMakerOrderCallback {
    struct InitializeParameters {
        address tokenA;
        address tokenB;
        int24 resolution;
        uint160 priceX96;
        address recipient;
        IGridParameters.BoundaryLowerWithAmountParameters[] orders0;
        IGridParameters.BoundaryLowerWithAmountParameters[] orders1;
    }

    struct PlaceOrderParameters {
        uint256 deadline;
        address recipient;
        address tokenA;
        address tokenB;
        int24 resolution;
        bool zero;
        int24 boundaryLower;
        uint128 amount;
    }

    struct PlaceOrderInBatchParameters {
        uint256 deadline;
        address recipient;
        address tokenA;
        address tokenB;
        int24 resolution;
        bool zero;
        IGridParameters.BoundaryLowerWithAmountParameters[] orders;
    }

    /// @notice Initializes the grid with the given parameters
    function initialize(InitializeParameters calldata initializeParameters) external payable;

    /// @notice Creates the grid and initializes the grid with the given parameters
    function createGridAndInitialize(InitializeParameters calldata initializeParameters) external payable;

    /// @notice Places a maker order on the grid
    /// @return orderId The unique identifier of the order
    function placeMakerOrder(PlaceOrderParameters calldata parameters) external payable returns (uint256 orderId);

    /// @notice Places maker orders on the grid
    /// @return orderIds The unique identifiers of the orders
    function placeMakerOrderInBatch(
        PlaceOrderInBatchParameters calldata parameters
    ) external payable returns (uint256[] memory orderIds);
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

interface IPayments {
    /// @notice Unwraps the contract's WETH9 balance and sends it to recipient as ETH.
    /// @dev The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.
    /// @param amountMinimum The minimum amount of WETH9 to unwrap
    /// @param recipient The address receiving ETH
    function unwrapWETH9(uint256 amountMinimum, address recipient) external payable;

    /// @notice Refunds any native token(e.g. ETH) balance held by this contract to the `msg.sender`
    /// @dev This method is suitable for the following 2 scenarios:
    /// 1. When using exactInput, the inputted Ether is not fully consumed due to insufficient liquidity so,
    ///    remaining Ether can be withdrawn through this method
    /// 2. When using exactOutput, the inputted Ether is not fully consumed because the slippage settings
    /// are too high, henceforth, the remaining Ether can be withdrawn through this method
    function refundNativeToken() external payable;

    /// @notice Transfers the full amount of a token held by this contract to a recipient
    /// @dev The amountMinimum parameter prevents malicious contracts from stealing the token from users
    /// @param token The contract address of the tokens which will be transferred to the `recipient`
    /// @param amountMinimum The minimum amount of tokens required for a transfer
    /// @param recipient The destination address of the tokens
    function sweepToken(address token, uint256 amountMinimum, address recipient) external payable;
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

/// @title The interface for the relative order manager
interface IRelativeOrderManager {
    struct RelativeOrderParameters {
        uint256 deadline;
        address recipient;
        address tokenA;
        address tokenB;
        int24 resolution;
        bool zero;
        uint128 amount;
        /// @dev The price delta is the price difference between the order price and the grid price, as a Q64.96.
        /// Positive values mean the order price is higher than the grid price, and negative values mean the order price is
        /// lower than the grid price.
        int160 priceDeltaX96;
        /// @dev The minimum price of the order, as a Q64.96.
        uint160 priceMinimumX96;
        /// @dev The maximum price of the order, as a Q64.96.
        uint160 priceMaximumX96;
    }

    /// @notice Places a relative order
    /// @param parameters The parameters for the relative order
    /// @return orderId The unique identifier of the order
    function placeRelativeOrder(RelativeOrderParameters calldata parameters) external payable returns (uint256 orderId);
}

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

import "@openzeppelin/contracts/utils/Address.sol";

abstract contract Multicall {
    function multicall(bytes[] calldata data) external payable virtual returns (bytes[] memory results) {
        results = new bytes[](data.length);
        unchecked {
            for (uint256 i = 0; i < data.length; i++) {
                results[i] = _functionDelegateCall(data[i]);
            }
        }

        return results;
    }

    function _functionDelegateCall(bytes memory data) private returns (bytes memory) {
        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(this).delegatecall(data);
        // M_LDCF: low-level delegate call failed
        return Address.verifyCallResult(success, returndata, "M_LDCF");
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 100000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_gridFactory","type":"address"},{"internalType":"address","name":"_weth9","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"components":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"int24","name":"resolution","type":"int24"},{"internalType":"uint160","name":"priceX96","type":"uint160"},{"internalType":"address","name":"recipient","type":"address"},{"components":[{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IGridParameters.BoundaryLowerWithAmountParameters[]","name":"orders0","type":"tuple[]"},{"components":[{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IGridParameters.BoundaryLowerWithAmountParameters[]","name":"orders1","type":"tuple[]"}],"internalType":"struct IMakerOrderManager.InitializeParameters","name":"parameters","type":"tuple"}],"name":"createGridAndInitialize","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"gridFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"gridexPlaceMakerOrderCallback","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"int24","name":"resolution","type":"int24"},{"internalType":"uint160","name":"priceX96","type":"uint160"},{"internalType":"address","name":"recipient","type":"address"},{"components":[{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IGridParameters.BoundaryLowerWithAmountParameters[]","name":"orders0","type":"tuple[]"},{"components":[{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IGridParameters.BoundaryLowerWithAmountParameters[]","name":"orders1","type":"tuple[]"}],"internalType":"struct IMakerOrderManager.InitializeParameters","name":"parameters","type":"tuple"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"int24","name":"resolution","type":"int24"},{"internalType":"bool","name":"zero","type":"bool"},{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IMakerOrderManager.PlaceOrderParameters","name":"parameters","type":"tuple"}],"name":"placeMakerOrder","outputs":[{"internalType":"uint256","name":"orderId","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"int24","name":"resolution","type":"int24"},{"internalType":"bool","name":"zero","type":"bool"},{"components":[{"internalType":"int24","name":"boundaryLower","type":"int24"},{"internalType":"uint128","name":"amount","type":"uint128"}],"internalType":"struct IGridParameters.BoundaryLowerWithAmountParameters[]","name":"orders","type":"tuple[]"}],"internalType":"struct IMakerOrderManager.PlaceOrderInBatchParameters","name":"parameters","type":"tuple"}],"name":"placeMakerOrderInBatch","outputs":[{"internalType":"uint256[]","name":"orderIds","type":"uint256[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"int24","name":"resolution","type":"int24"},{"internalType":"bool","name":"zero","type":"bool"},{"internalType":"uint128","name":"amount","type":"uint128"},{"internalType":"int160","name":"priceDeltaX96","type":"int160"},{"internalType":"uint160","name":"priceMinimumX96","type":"uint160"},{"internalType":"uint160","name":"priceMaximumX96","type":"uint160"}],"internalType":"struct IRelativeOrderManager.RelativeOrderParameters","name":"parameters","type":"tuple"}],"name":"placeRelativeOrder","outputs":[{"internalType":"uint256","name":"orderId","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"refundNativeToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"selfPermit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"selfPermitCompatible","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"selfPermitCompatibleIfNecessary","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"selfPermitIfNecessary","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amountMinimum","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"name":"sweepToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountMinimum","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"name":"unwrapWETH9","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"weth9","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000032d1f0dce675902f89d72251db4ab1d728efa19c000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : _gridFactory (address): 0x32d1F0Dce675902f89D72251DB4AB1d728efa19c
Arg [1] : _weth9 (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000032d1f0dce675902f89d72251db4ab1d728efa19c
Arg [1] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2