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// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.14;

import { Ownable } from "openzeppelin-contracts/contracts/access/Ownable.sol";
import { IERC20 } from "openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";

import "../interfaces/ICyberRelayGateHook.sol";
import "../interfaces/ICyberID.sol";
import "../interfaces/AggregatorV3Interface.sol";

import { DataTypes } from "../libraries/DataTypes.sol";

import { EIP712 } from "../base/EIP712.sol";

/**
 * @title CyberIDPermissionedRelayHook
 * @author Cyber
 */
contract CyberIDPermissionedRelayHook is ICyberRelayGateHook, EIP712, Ownable {
    using SafeERC20 for IERC20;
    /*//////////////////////////////////////////////////////////////
                            STORAGE
    //////////////////////////////////////////////////////////////*/

    address public immutable signer;
    AggregatorV3Interface public immutable usdOracle;

    address public recipient;
    uint256 public price3Letter;
    uint256 public price4Letter;
    uint256 public price5To9Letter;
    uint256 public price10AndMoreLetter;
    uint256 public fixedFee;

    mapping(address => uint256) public nonces;

    bytes32 public constant _REGISTER_TYPEHASH =
        keccak256(
            "register(string cid,address to,uint256 discount,uint256 nonce,uint256 deadline)"
        );

    uint256 internal constant BASE = 1000;

    /*//////////////////////////////////////////////////////////////
                            EVENTS
    //////////////////////////////////////////////////////////////*/

    event StableFeeChanged(
        address indexed recipient,
        uint256 price3Letter,
        uint256 price4Letter,
        uint256 price5To9Letter,
        uint256 price10AndMoreLetter
    );

    event SigUsed(
        address account,
        uint256 nonce,
        string cid,
        uint256 discount,
        uint256 cost
    );

    /*//////////////////////////////////////////////////////////////
                            CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(address _owner, address _signer, address _oracleAddress) {
        _transferOwnership(_owner);
        signer = _signer;
        usdOracle = AggregatorV3Interface(_oracleAddress);
        fixedFee = 0.000003 ether;
    }

    /*//////////////////////////////////////////////////////////////
                    ICyberRelayGateHook OVERRIDES
    //////////////////////////////////////////////////////////////*/

    function processRelay(
        address msgSender,
        address destination,
        bytes calldata data
    ) external payable override returns (RelayParams memory) {
        DataTypes.EIP712Signature memory sig;
        string memory cid;
        address to;
        uint256 discount;
        (cid, to, discount, sig.v, sig.r, sig.s, sig.deadline) = abi.decode(
            data,
            (string, address, uint256, uint8, bytes32, bytes32, uint256)
        );

        uint256 currentNonce = nonces[to]++;
        _requiresExpectedSigner(
            _hashTypedDataV4(
                keccak256(
                    abi.encode(
                        _REGISTER_TYPEHASH,
                        keccak256(bytes(cid)),
                        to,
                        discount,
                        currentNonce,
                        sig.deadline
                    )
                )
            ),
            signer,
            sig.v,
            sig.r,
            sig.s,
            sig.deadline
        );

        uint256 cost = getPriceWei(cid, discount);

        _chargeAndRefundOverPayment(cost, msgSender);

        emit SigUsed(to, currentNonce, cid, discount, cost);

        RelayParams memory relayParams;
        relayParams.to = destination;
        relayParams.value = 0;
        BatchRegisterCyberIdParams[]
            memory params = new BatchRegisterCyberIdParams[](1);
        params[0] = BatchRegisterCyberIdParams(cid, to, false);
        relayParams.callData = abi.encodeWithSelector(
            ICyberID.privilegedRegister.selector,
            params
        );
        return relayParams;
    }

    /*//////////////////////////////////////////////////////////////
                            PUBLIC VIEW
    //////////////////////////////////////////////////////////////*/

    function getPriceWei(
        string memory cid,
        uint256 discount
    ) public view returns (uint256) {
        return (_attoUSDToWei(_getUSDPrice(cid)) * discount) / BASE + fixedFee;
    }

    /*//////////////////////////////////////////////////////////////
                    EIP712 OVERRIDES
    //////////////////////////////////////////////////////////////*/

    function _domainSeparatorName()
        internal
        pure
        override
        returns (string memory)
    {
        return "CyberIDPermissionedRelayHook";
    }

    /*//////////////////////////////////////////////////////////////
                    ONLY OWNER
    //////////////////////////////////////////////////////////////*/

    function rescueToken(address token) external onlyOwner {
        if (token == address(0)) {
            (bool success, ) = owner().call{ value: address(this).balance }("");
            require(success, "WITHDRAW_FAILED");
        } else {
            IERC20(token).safeTransfer(
                owner(),
                IERC20(token).balanceOf(address(this))
            );
        }
    }

    function configPrices(
        address _recipient,
        uint256[4] memory prices
    ) external onlyOwner {
        require(_recipient != address(0), "INVALID_RECIPIENT");
        recipient = _recipient;
        price3Letter = prices[0];
        price4Letter = prices[1];
        price5To9Letter = prices[2];
        price10AndMoreLetter = prices[3];

        emit StableFeeChanged(
            _recipient,
            prices[0],
            prices[1],
            prices[2],
            prices[3]
        );
    }

    function setFixedFee(uint256 _fixedFee) external onlyOwner {
        fixedFee = _fixedFee;
    }

    /*//////////////////////////////////////////////////////////////
                    PRIVATE
    //////////////////////////////////////////////////////////////*/

    function _chargeAndRefundOverPayment(
        uint256 cost,
        address refundTo
    ) internal {
        require(msg.value >= cost, "INSUFFICIENT_FUNDS");
        /**
         * Already checked msg.value >= cost
         */
        uint256 overpayment;
        unchecked {
            overpayment = msg.value - cost;
        }

        if (overpayment > 0) {
            (bool refundSuccess, ) = refundTo.call{ value: overpayment }("");
            require(refundSuccess, "REFUND_FAILED");
        }
        if (cost > 0) {
            (bool chargeSuccess, ) = recipient.call{ value: cost }("");
            require(chargeSuccess, "CHARGE_FAILED");
        }
    }

    function _getUSDPrice(string memory cid) internal view returns (uint256) {
        // LowerCaseCyberIdMiddleware ensures that each cid character only occupies 1 byte
        uint256 len = bytes(cid).length;
        uint256 usdPrice;

        if (len >= 10) {
            usdPrice = price10AndMoreLetter;
        } else if (len >= 5) {
            usdPrice = price5To9Letter;
        } else if (len == 4) {
            usdPrice = price4Letter;
        } else if (len == 3) {
            usdPrice = price3Letter;
        } else {
            revert("INVALID_LENGTH");
        }
        return usdPrice;
    }

    function _getPrice() internal view returns (int256) {
        // prettier-ignore
        (
            uint80 roundID,
            int price,
            /* uint startedAt */,
            uint updatedAt,
            /*uint80 answeredInRound*/
        ) = usdOracle.latestRoundData();
        require(roundID != 0, "INVALID_ORACLE_ROUND_ID");
        require(price > 0, "INVALID_ORACLE_PRICE");
        require(updatedAt > block.timestamp - 24 hours, "STALE_ORACLE_PRICE");
        return price;
    }

    function _attoUSDToWei(uint256 amount) internal view returns (uint256) {
        uint256 ethPrice = uint256(_getPrice());
        return (amount * 1e8) / ethPrice;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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: GPL-3.0-or-later

pragma solidity 0.8.14;

struct RelayParams {
    address to;
    uint256 value;
    bytes callData;
}

/**
 * @title ICyberRelayGateHook
 * @author Cyber
 */
interface ICyberRelayGateHook {
    function processRelay(
        address msgSender,
        address destination,
        bytes calldata data
    ) external payable returns (RelayParams memory);
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.14;

struct BatchRegisterCyberIdParams {
    string cid;
    address to;
    bool setReverse;
}

interface ICyberID {
    function privilegedRegister(
        BatchRegisterCyberIdParams[] calldata params
    ) external;
}

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

interface AggregatorV3Interface {
    function decimals() external view returns (uint8);

    function description() external view returns (string memory);

    function version() external view returns (uint256);

    function getRoundData(
        uint80 _roundId
    )
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );

    function latestRoundData()
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.14;

library DataTypes {
    enum Category {
        Essence,
        Content,
        W3ST,
        Subscribe
    }

    enum ContentType {
        Content,
        Comment,
        Share
    }

    struct EIP712Signature {
        uint8 v;
        bytes32 r;
        bytes32 s;
        uint256 deadline;
    }

    struct RegisterEssenceParams {
        address account;
        string name;
        string symbol;
        string tokenURI;
        address mw;
        bool transferable;
    }

    struct RegisterSubscriptionParams {
        address account;
        string name;
        string symbol;
        string tokenURI;
        uint256 dayPerSub;
        uint256 pricePerSub;
        address recipient;
    }

    struct PublishContentParams {
        address account;
        string tokenURI;
        address mw;
        bool transferable;
    }

    struct ShareParams {
        address account;
        address accountShared;
        uint256 idShared;
    }

    struct InitParams {
        address soulAddr;
        address mwManagerAddr;
        address essImpl;
        address contentImpl;
        address w3stImpl;
        address subImpl;
        address adminAddr;
    }

    struct CommentParams {
        address account;
        string tokenURI;
        address mw;
        bool transferable;
        address accountCommented;
        uint256 idCommented;
    }

    struct IssueW3stParams {
        address account;
        string tokenURI;
        address mw;
        bool transferable;
    }

    struct EssenceStruct {
        address essence;
        address mw;
        string name;
        string symbol;
        string tokenURI;
        bool transferable;
    }

    struct SubscribeStruct {
        address subscribe;
        string name;
        string symbol;
        string tokenURI;
        uint256 dayPerSub;
        uint256 pricePerSub;
        address recipient;
    }

    struct AccountStruct {
        uint256 essenceCount;
        address w3st;
        uint256 w3stCount;
        address content;
        uint256 contentCount;
    }

    struct ContentStruct {
        address mw;
        string tokenURI;
        bool transferable;
        address srcAccount;
        uint256 srcId;
        ContentType contentType;
    }

    struct W3stStruct {
        address mw;
        string tokenURI;
        bool transferable;
    }

    struct CollectParams {
        address account;
        uint256 id;
        uint256 amount;
        address to;
        Category category;
    }

    struct MwParams {
        address account;
        Category category;
        uint256 id;
        uint256 amount;
        address from;
        address to;
        address referrerAccount;
        bytes data;
    }

    struct DeployParameters {
        address engine;
    }

    struct MetadataPair {
        string key;
        string value;
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity 0.8.14;

import { DataTypes } from "../libraries/DataTypes.sol";

abstract contract EIP712 {
    /*//////////////////////////////////////////////////////////////
                                STATES
    //////////////////////////////////////////////////////////////*/
    bytes32 internal constant _HASHED_VERSION = keccak256("1");
    bytes32 private constant _TYPE_HASH =
        keccak256(
            "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
        );

    /*//////////////////////////////////////////////////////////////
                            PUBLIC VIEW
    //////////////////////////////////////////////////////////////*/

    /**
     * @notice Returns the contract's {EIP712} domain separator.
     *
     * @return bytes32 the contract's {EIP712} domain separator.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() public view returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    _TYPE_HASH,
                    keccak256(bytes(_domainSeparatorName())),
                    _HASHED_VERSION,
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                              INTERNAL
    //////////////////////////////////////////////////////////////*/

    function _requiresExpectedSigner(
        bytes32 digest,
        address expectedSigner,
        uint8 v,
        bytes32 r,
        bytes32 s,
        uint256 deadline
    ) internal view {
        require(deadline >= block.timestamp, "DEADLINE_EXCEEDED");
        require(
            uint256(s) <=
                0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0,
            "INVALID_SIGNATURE_S_VAULE"
        );

        address recoveredAddress = ecrecover(digest, v, r, s);
        require(recoveredAddress == expectedSigner, "INVALID_SIGNATURE");
    }

    function _requiresExpectedSigner(
        bytes32 digest,
        address expectedSigner,
        DataTypes.EIP712Signature calldata sig
    ) internal view {
        _requiresExpectedSigner(
            digest,
            expectedSigner,
            sig.v,
            sig.r,
            sig.s,
            sig.deadline
        );
    }

    function _hashTypedDataV4(
        bytes32 structHash
    ) internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encodePacked("\x19\x01", DOMAIN_SEPARATOR(), structHash)
            );
    }

    function _domainSeparatorName()
        internal
        view
        virtual
        returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/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 v4.8.0) (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);
        }
    }
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solmate/=lib/solmate/",
    "kernel/=lib/kernel/",
    "account-abstraction/=lib/account-abstraction/contracts/",
    "@ensdomains/=lib/account-abstraction/node_modules/@ensdomains/",
    "@openzeppelin/=lib/kernel/lib/openzeppelin-contracts/",
    "hardhat-deploy/=lib/account-abstraction/node_modules/hardhat-deploy/",
    "solady/=lib/kernel/lib/solady/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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0000000000000000000000007884f7f04f994da14302a16cf15e597e31eebecf0000000000000000000000002a2ea826102c067ece82bc6e2b7cf38d7ebb1b820000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419

-----Decoded View---------------
Arg [0] : _owner (address): 0x7884f7F04F994da14302a16Cf15E597e31eebECf
Arg [1] : _signer (address): 0x2A2EA826102c067ECE82Bc6E2B7cf38D7EbB1B82
Arg [2] : _oracleAddress (address): 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000007884f7f04f994da14302a16cf15e597e31eebecf
Arg [1] : 0000000000000000000000002a2ea826102c067ece82bc6e2b7cf38d7ebb1b82
Arg [2] : 0000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419