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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

/*
    Copyright 2022 JOJO Exchange
    SPDX-License-Identifier: BUSL-1.1
*/

pragma solidity ^0.8.19;

import "./interfaces/IDealer.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

contract DegenDealer is Ownable {
    struct PositionInfo {
        address trader;
        int256 paperAmount;
        int256 creditAmount;
        int256 fee;
        int256 pnl;
        string perp;
    }

    address public primaryAsset;
    address public jojoDealer;

    using SafeERC20 for IERC20;

    event DegenDeposit(address from, address to, uint256 amount);
    event DegenTransferOut(address account, uint256 amount, uint256 id);
    event DegenWithdraw(address account, uint256 amount, uint256 id);
    event PositionFinalizeLog(
        address indexed trader, int256 paperAmount, int256 creditAmount, int256 fee, int256 pnl, string perp
    );

    constructor(address _primaryAsset, address _jojoDealer) {
        primaryAsset = _primaryAsset;
        jojoDealer = _jojoDealer;
    }

    function deposit(address from, address to, uint256 amount) external {
        IERC20(primaryAsset).safeTransferFrom(msg.sender, address(this), amount);
        emit DegenDeposit(from, to, amount);
    }

    function withdraw(address to, uint256 amount, uint256 id, bool isInternal) external onlyOwner {
        if (isInternal) {
            IERC20(primaryAsset).approve(jojoDealer, amount);
            IDealer(jojoDealer).deposit(amount, 0, to);
            emit DegenTransferOut(to, amount, id);
        } else {
            IERC20(primaryAsset).safeTransfer(to, amount);
            emit DegenWithdraw(to, amount, id);
        }
    }

    function batchUpdatePosition(PositionInfo[] memory positionDatas) public onlyOwner {
        for (uint256 i; i < positionDatas.length; i++) {
            PositionInfo memory position = positionDatas[i];
            emit PositionFinalizeLog(
                position.trader, position.paperAmount, position.creditAmount, position.fee, position.pnl, position.perp
            );
        }
    }
}

/*
    Copyright 2022 JOJO Exchange
    SPDX-License-Identifier: BUSL-1.1
*/

pragma solidity ^0.8.19;

import "../libraries/Types.sol";

interface IDealer {
    /// @notice Deposit fund to get credit for
    /// @param primaryAmount is the amount of primary asset you want to deposit.
    /// @param secondaryAmount is the amount of secondary asset you want to deposit.
    /// @param to is the account you want to deposit to.
    function deposit(uint256 primaryAmount, uint256 secondaryAmount, address to) external;

    /// @notice Submit withdrawal request, which can be executed after
    /// the timelock. The main purpose of this function is to avoid the
    /// failure of counterparty caused by withdrawal.
    /// @param from The deducted account.
    /// @param primaryAmount is the amount of primary asset you want to withdraw.
    /// @param secondaryAmount is the amount of secondary asset you want to withdraw.
    function requestWithdraw(address from, uint256 primaryAmount, uint256 secondaryAmount) external;

    /// @notice Execute the withdrawal request.
    /// @param from The deducted account.
    /// @param to is the address receiving assets.
    /// @param isInternal Only internal credit transfers will be made,
    /// and ERC20 transfers will not happen.
    /// @param param call "to" with param if not null.
    function executeWithdraw(address from, address to, bool isInternal, bytes memory param) external;

    /// @notice Withdraw without waiting.
    /// @param from The deducted account.
    /// @param to is the address receiving assets.
    /// @param primaryAmount is the amount of primary asset you want to withdraw.
    /// @param secondaryAmount is the amount of secondary asset you want to
    /// @param isInternal Only internal credit transfers will be made,
    /// and ERC20 transfers will not happen.
    /// @param param call "to" with param if not null.
    function fastWithdraw(
        address from,
        address to,
        uint256 primaryAmount,
        uint256 secondaryAmount,
        bool isInternal,
        bytes memory param
    )
        external;

    /// @notice Help perpetual contract parse tradeData and return
    /// the balance changes of each trader.
    /// @dev only perpetual contract can call this function
    /// @param orderSender is the one who submit tradeData.
    /// @param tradeData contains orders, signatures and match info.
    function approveTrade(
        address orderSender,
        bytes calldata tradeData
    )
        external
        returns (address[] memory traderList, int256[] memory paperChangeList, int256[] memory creditChangeList);

    /// @notice Check if the trader's margin is enough (>= maintenance margin).
    /// If so, the trader is "safe".
    /// The trader's positions under all markets will be liquidated if he is
    /// not safe.
    function isSafe(address trader) external view returns (bool);

    /// @notice Check if a list of traders are safe.
    /// @dev This function is more gas effective than isSafe, by caching
    /// mark prices.
    function isAllSafe(address[] calldata traderList) external view returns (bool);

    /// @notice Get funding rate of a perpetual market.
    /// Funding rate is a 1e18 based decimal.
    function getFundingRate(address perp) external view returns (int256);

    /// @notice Update multiple funding rate at once.
    /// Can only be called by funding rate keeper.
    function updateFundingRate(address[] calldata perpList, int256[] calldata rateList) external;

    /// @notice Calculate the paper and credit change of liquidator and
    /// liquidated trader.
    /// @dev Only perpetual contract can call this function.
    /// liqtor is short for liquidator, liqed is short for liquidated trader.
    /// @param executor is the one who will excute liquidation.
    /// @param liquidator is the one who will take over positions.
    /// @param liquidatedTrader is the one who is being liquidated.
    /// @param requestPaperAmount is the size that the liquidator wants to take.
    /// Positive if the position is long, negative if the position is short.
    function requestLiquidation(
        address executor,
        address liquidator,
        address liquidatedTrader,
        int256 requestPaperAmount
    )
        external
        returns (int256 liqtorPaperChange, int256 liqtorCreditChange, int256 liqedPaperChange, int256 liqedCreditChange);

    /// @notice Transfer all bad debt to insurance account,
    /// including primary and secondary balances.
    function handleBadDebt(address liquidatedTrader) external;

    /// @notice Register the trader's position into dealer.
    /// @dev Only perpetual contract can call this function when
    /// someone's position is opened.
    function openPosition(address trader) external;

    /// @notice Accrual realized pnl and remove the trader's position from dealer.
    /// @dev Only perpetual contract can call this function when
    /// someone's position is closed.
    function realizePnl(address trader, int256 pnl) external;

    /// @notice Register operator.
    /// The operator can sign order on your behalf.
    function setOperator(address operator, bool isValid) external;

    /// @param perp the address of perpetual contract market
    function getRiskParams(address perp) external view returns (Types.RiskParams memory params);

    /// @notice Return all registered perpetual contract market.
    function getAllRegisteredPerps() external view returns (address[] memory);

    /// @notice Return mark price of a perpetual market.
    /// price is a 1e18 based decimal.
    function getMarkPrice(address perp) external view returns (uint256);

    /// @notice Get all open positions of the trader.
    function getPositions(address trader) external view returns (address[] memory);

    /// @notice Return the credit details of the trader.
    /// You cannot use credit as net value or net margin of a trader.
    /// The net value of positions would also be included.
    function getCreditOf(address trader)
        external
        view
        returns (
            int256 primaryCredit,
            uint256 secondaryCredit,
            uint256 pendingPrimaryWithdraw,
            uint256 pendingSecondaryWithdraw,
            uint256 executionTimestamp
        );

    /// @notice Get the risk profile data of a trader.
    /// @return netValue net value of trader including credit amount
    /// @return exposure open position value of the trader across all markets
    /// @return initialMargin Funds required to open a position.
    /// @return maintenanceMargin Funds needed to keep a position open.
    function getTraderRisk(address trader)
        external
        view
        returns (int256 netValue, uint256 exposure, uint256 initialMargin, uint256 maintenanceMargin);

    /// @notice Get liquidation price of a position
    /// @dev This function is for directional use. The margin of error is typically
    /// within 10 wei.
    /// @return liquidationPrice equals 0 if there is no liquidation price.
    function getLiquidationPrice(address trader, address perp) external view returns (uint256 liquidationPrice);

    /// @notice a view version of requestLiquidation, liquidators can use
    /// this function to check how much you have to pay in advance.
    function getLiquidationCost(
        address perp,
        address liquidatedTrader,
        int256 requestPaperAmount
    )
        external
        view
        returns (int256 liqtorPaperChange, int256 liqtorCreditChange);

    /// @notice Get filled paper amount of an order to avoid double matching.
    /// @return filledAmount includes paper amount
    function getOrderFilledAmount(bytes32 orderHash) external view returns (uint256 filledAmount);

    /// @notice check if order sender is valid
    function isOrderSenderValid(address orderSender) external view returns (bool);

    /// @notice check if fastWithdrawl is valid
    function isFastWithdrawalValid(address fastWithdrawOperator) external view returns (bool);

    /// @notice check if operator is valid
    function isOperatorValid(address client, address operator) external view returns (bool);

    /// @notice check if spender can operate from
    function isCreditAllowed(
        address from,
        address spender
    )
        external
        view
        returns (uint256 primaryCreditAllowed, uint256 secondaryCreditAllowed);
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/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;

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

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

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

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

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

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

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

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

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

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

/*
    Copyright 2022 JOJO Exchange
    SPDX-License-Identifier: BUSL-1.1
*/

pragma solidity ^0.8.19;

library Types {
    uint256 public constant SECONDS_PER_YEAR = 365 days;

    uint256 public constant ONE = 1e18;

    /// @notice data structure of dealer
    struct State {
        // primary asset, ERC20
        address primaryAsset;
        // secondary asset, ERC20
        address secondaryAsset;
        // credit, gained by deposit assets
        mapping(address => int256) primaryCredit;
        mapping(address => uint256) secondaryCredit;
        // allow fund operators to withdraw
        mapping(address => mapping(address => uint256)) primaryCreditAllowed;
        mapping(address => mapping(address => uint256)) secondaryCreditAllowed;
        // withdrawal request time lock
        uint256 withdrawTimeLock;
        // pending primary asset withdrawal amount
        mapping(address => uint256) pendingPrimaryWithdraw;
        // pending secondary asset withdrawal amount
        mapping(address => uint256) pendingSecondaryWithdraw;
        // withdrawal request executable timestamp
        mapping(address => uint256) withdrawExecutionTimestamp;
        // perpetual contract risk parameters
        mapping(address => Types.RiskParams) perpRiskParams;
        // perpetual contract registry, for view
        address[] registeredPerp;
        // all open positions of a trader
        mapping(address => address[]) openPositions;
        // For offchain pnl calculation, serial number +1 whenever
        // position is fully closed.
        // trader => perpetual contract address => current serial Num
        mapping(address => mapping(address => uint256)) positionSerialNum;
        // filled amount of orders
        mapping(bytes32 => uint256) orderFilledPaperAmount;
        // valid order sender registry
        mapping(address => bool) validOrderSender;
        // addresses that can make fast withdrawal
        mapping(address => bool) fastWithdrawalWhitelist;
        bool fastWithdrawDisabled;
        // operator registry
        // client => operator => isValid
        mapping(address => mapping(address => bool)) operatorRegistry;
        // insurance account
        address insurance;
        // funding rate keeper, normally an EOA account
        address fundingRateKeeper;
        uint256 maxPositionAmount;
        mapping(address => bool) isWithdrawalWhitelist;
    }

    struct Order {
        // address of perpetual market
        address perp;
        /*
            Signer is trader, the identity of  behavior,
            whose balance will be changed.
            Normally it should be an EOA account and the 
            order is valid only if the signer signed it.
            If the signer is a smart contract, it has two ways
            to sign the order. The first way is to authorize 
            another EOA address to sign for it through setOperator.
            The other way is to implement IERC1271 for self-verification.
        */
        address signer;
        // positive(negative) if you want to open long(short) position
        int128 paperAmount;
        // negative(positive) if you want to open long(short) position
        int128 creditAmount;
        /*
            ╔═══════════════════╤═════════╗
            ║ info component    │ type    ║
            ╟───────────────────┼─────────╢
            ║ makerFeeRate      │ int64   ║
            ║ takerFeeRate      │ int64   ║
            ║ expiration        │ uint64  ║
            ║ nonce             │ uint64  ║
            ╚═══════════════════╧═════════╝
        */
        bytes32 info;
    }

    // EIP712 component
    bytes32 public constant ORDER_TYPEHASH =
        keccak256("Order(address perp,address signer,int128 paperAmount,int128 creditAmount,bytes32 info)");

    /// @notice risk params of a perpetual market
    struct RiskParams {
        /*
            When users withdraw funds, their margin must be equal or
            greater than the exposure * initialMarginRatio.
        */
        uint256 initialMarginRatio;
        /*
            Liquidation will happen when
            netValue < exposure * liquidationThreshold
            The lower liquidationThreshold, the higher leverage.
            This value is also known as "maintenance margin ratio".
            1E18 based decimal.
        */
        uint256 liquidationThreshold;
        /*
            The discount rate for the liquidation.
            markPrice * (1 - liquidationPriceOff) when liquidate long position
            markPrice * (1 + liquidationPriceOff) when liquidate short position
            1e18 based decimal.
        */
        uint256 liquidationPriceOff;
        // The insurance fee rate charged from liquidation.
        // 1E18 based decimal.
        uint256 insuranceFeeRate;
        // price source of mark price
        address markPriceSource;
        // perpetual market name
        string name;
        // if the market is activited
        bool isRegistered;
    }

    /// @notice Match result obtained by parsing and validating tradeData.
    /// Contains arrays of balance change.
    struct MatchResult {
        address[] traderList;
        int256[] paperChangeList;
        int256[] creditChangeList;
        int256 orderSenderFee;
    }

    struct ReserveInfo {
        // the initial mortgage rate of collateral
        // 1e18 based decimal
        uint256 initialMortgageRate;
        // max total deposit collateral amount
        uint256 maxTotalDepositAmount;
        // max deposit collateral amount per account
        uint256 maxDepositAmountPerAccount;
        // the collateral max deposit value, protect from oracle
        uint256 maxColBorrowPerAccount;
        // oracle address
        address oracle;
        // total deposit amount
        uint256 totalDepositAmount;
        // liquidation mortgage rate
        // 1e18 based decimal
        uint256 liquidationMortgageRate;
        /*
            The discount rate for the liquidation.
            price * (1 - liquidationPriceOff)
            1e18 based decimal.
        */
        uint256 liquidationPriceOff;
        // insurance fee rate
        // 1e18
        uint256 insuranceFeeRate;
        /*       
            if the mortgage collateral delisted.
            if isFinalLiquidation = true which means user can not deposit collateral and borrow USDO
        */
        bool isFinalLiquidation;
        // if allow user deposit collateral
        bool isDepositAllowed;
        // if allow user borrow USDO
        bool isBorrowAllowed;
    }

    /// @notice user param
    struct UserInfo {
        // deposit collateral ==> deposit amount
        mapping(address => uint256) depositBalance;
        mapping(address => bool) hasCollateral;
        // t0 borrow USDO amount
        uint256 t0BorrowBalance;
        // user deposit collateral list
        address[] collateralList;
    }

    struct LiquidateData {
        uint256 actualCollateral;
        uint256 insuranceFee;
        uint256 actualLiquidatedT0;
        uint256 actualLiquidated;
        uint256 liquidatedRemainUSDC;
    }
}

{
  "compilationTarget": {
    "src/DegenDealer.sol": "DegenDealer"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [
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    ":@pythnetwork/pyth-sdk-solidity/=node_modules/@pythnetwork/pyth-sdk-solidity/",
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    ":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    ":forge-std/=lib/forge-std/src/",
    ":gmx-synthetics/=lib/gmx-synthetics/contracts/",
    ":openzeppelin-contracts/=lib/openzeppelin-contracts/",
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}