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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import {IERC165Upgradeable} from
    "../lib/openzeppelin-contracts-upgradeable/contracts/utils/introspection/IERC165Upgradeable.sol";
import {ERC165Upgradeable} from
    "../lib/openzeppelin-contracts-upgradeable/contracts/utils/introspection/ERC165Upgradeable.sol";
import {OwnableUpgradeable} from "../lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol";
import {UUPSUpgradeable} from "../lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/UUPSUpgradeable.sol";
import {AddressUpgradeable} from "../lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol";

import {IOrb} from "./IOrb.sol";
import {IOrbInvocationRegistry} from "./IOrbInvocationRegistry.sol";

/// @title   Orb Invocation Registry - Record-keeping contract for Orb invocations and responses
/// @author  Jonas Lekevicius
/// @notice  The Orb Invocation Registry is used to track invocations and responses for any Orb.
/// @dev     `Orb`s using an `OrbInvocationRegistry` must implement `IOrb` interface. Uses `Ownable`'s `owner()` to
///          guard upgrading.
contract OrbInvocationRegistry is IOrbInvocationRegistry, ERC165Upgradeable, OwnableUpgradeable, UUPSUpgradeable {
    /// Structs used to track invocation and response information: keccak256 content hash and block timestamp.
    /// InvocationData is used to determine if the response can be flagged by the keeper.
    /// Invocation timestamp and invoker address is tracked for the benefit of other contracts.
    struct InvocationData {
        address invoker;
        // keccak256 hash of the cleartext
        bytes32 contentHash;
        uint256 timestamp;
    }

    struct ResponseData {
        // keccak256 hash of the cleartext
        bytes32 contentHash;
        uint256 timestamp;
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  STORAGE
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// Orb Invocation Registry version. Value: 1.
    uint256 private constant _VERSION = 1;

    /// Mapping for invocations: invocationId to InvocationData struct. InvocationId starts at 1.
    mapping(address orb => mapping(uint256 invocationId => InvocationData invocationData)) public invocations;
    /// Count of invocations made: used to calculate invocationId of the next invocation.
    mapping(address orb => uint256 count) public invocationCount;

    /// Mapping for responses (answers to invocations): matching invocationId to ResponseData struct.
    mapping(address orb => mapping(uint256 invocationId => ResponseData responseData)) public responses;
    /// Mapping for flagged (reported) responses. Used by the keeper not satisfied with a response.
    mapping(address orb => mapping(uint256 invocationId => bool isFlagged)) public responseFlagged;
    /// Flagged responses count is a convencience count of total flagged responses. Not used by the contract itself.
    mapping(address orb => uint256 count) public flaggedResponsesCount;

    /// Addresses authorized for external calls in invokeWithXAndCall()
    mapping(address contractAddress => bool authorizedForCalling) public authorizedContracts;

    /// Gap used to prevent storage collisions.
    uint256[100] private __gap;

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  INITIALIZER AND INTERFACE SUPPORT
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /// @dev  Initializes the contract.
    function initialize() public initializer {
        __Ownable_init();
        __UUPSUpgradeable_init();
    }

    /// @dev     ERC-165 supportsInterface. Orb contract supports ERC-721 and IOrb interfaces.
    /// @param   interfaceId           Interface id to check for support.
    /// @return  isInterfaceSupported  If interface with given 4 bytes id is supported.
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC165Upgradeable, IERC165Upgradeable)
        returns (bool isInterfaceSupported)
    {
        return interfaceId == type(IOrbInvocationRegistry).interfaceId || super.supportsInterface(interfaceId);
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  MODIFIERS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// @dev    Ensures that the caller owns the Orb. Should only be used in conjuction with `onlyKeeperHeld` or on
    ///         external functions, otherwise does not make sense.
    /// @param  orb  Address of the Orb.
    modifier onlyKeeper(address orb) virtual {
        if (msg.sender != IOrb(orb).keeper()) {
            revert NotKeeper();
        }
        _;
    }

    /// @dev    Ensures that the Orb belongs to someone, not the contract itself.
    /// @param  orb  Address of the Orb.
    modifier onlyKeeperHeld(address orb) virtual {
        if (orb == IOrb(orb).keeper()) {
            revert ContractHoldsOrb();
        }
        _;
    }

    /// @dev    Ensures that the current Orb keeper has enough funds to cover Harberger tax until now.
    /// @param  orb  Address of the Orb.
    modifier onlyKeeperSolvent(address orb) virtual {
        if (!IOrb(orb).keeperSolvent()) {
            revert KeeperInsolvent();
        }
        _;
    }

    /// @dev    Ensures that the caller is the creator of the Orb.
    /// @param  orb  Address of the Orb.
    modifier onlyCreator(address orb) virtual {
        if (msg.sender != IOrb(orb).creator()) {
            revert NotCreator();
        }
        _;
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  FUNCTIONS: INVOKING
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// @notice  Invokes the Orb. Allows the keeper to submit cleartext.
    /// @dev     Cleartext is hashed and passed to `invokeWithHash()`. Emits `CleartextRecording`.
    /// @param   orb        Address of the Orb.
    /// @param   cleartext  Invocation cleartext.
    function invokeWithCleartext(address orb, string memory cleartext) public virtual {
        uint256 cleartextMaximumLength = IOrb(orb).cleartextMaximumLength();

        uint256 length = bytes(cleartext).length;
        if (length > cleartextMaximumLength) {
            revert CleartextTooLong(length, cleartextMaximumLength);
        }
        invokeWithHash(orb, keccak256(abi.encodePacked(cleartext)));
        emit CleartextRecording(orb, invocationCount[orb], cleartext);
    }

    /// @notice  Invokes the Orb with cleartext and calls an external contract.
    /// @dev     Calls `invokeWithCleartext()` and then calls the external contract.
    /// @param   orb            Address of the Orb.
    /// @param   cleartext      Invocation cleartext.
    /// @param   addressToCall  Address of the contract to call.
    /// @param   dataToCall     Data to call the contract with.
    function invokeWithCleartextAndCall(
        address orb,
        string memory cleartext,
        address addressToCall,
        bytes memory dataToCall
    ) external virtual {
        invokeWithCleartext(orb, cleartext);
        _callWithData(addressToCall, dataToCall);
    }

    /// @notice  Invokes the Orb. Allows the keeper to submit content hash, that represents a question to the Orb
    ///          creator. Puts the Orb on cooldown. The Orb can only be invoked by solvent keepers.
    /// @dev     Content hash is keccak256 of the cleartext. `invocationCount` is used to track the id of the next
    ///          invocation. Invocation ids start from 1. Emits `Invocation`.
    /// @param   orb          Address of the Orb.
    /// @param   contentHash  Required keccak256 hash of the cleartext.
    function invokeWithHash(address orb, bytes32 contentHash)
        public
        virtual
        onlyKeeper(orb)
        onlyKeeperHeld(orb)
        onlyKeeperSolvent(orb)
    {
        uint256 lastInvocationTime = IOrb(orb).lastInvocationTime();
        uint256 cooldown = IOrb(orb).cooldown();

        if (block.timestamp < lastInvocationTime + cooldown) {
            revert CooldownIncomplete(lastInvocationTime + cooldown - block.timestamp);
        }

        invocationCount[orb] += 1;
        uint256 invocationId = invocationCount[orb]; // starts at 1

        invocations[orb][invocationId] = InvocationData(msg.sender, contentHash, block.timestamp);
        IOrb(orb).setLastInvocationTime(block.timestamp);

        emit Invocation(orb, invocationId, msg.sender, block.timestamp, contentHash);
    }

    /// @notice  Invokes the Orb with content hash and calls an external contract.
    /// @dev     Calls `invokeWithHash()` and then calls the external contract.
    /// @param   orb            Address of the Orb.
    /// @param   contentHash    Required keccak256 hash of the cleartext.
    /// @param   addressToCall  Address of the contract to call.
    /// @param   dataToCall     Data to call the contract with.
    function invokeWithHashAndCall(address orb, bytes32 contentHash, address addressToCall, bytes memory dataToCall)
        external
        virtual
    {
        invokeWithHash(orb, contentHash);
        _callWithData(addressToCall, dataToCall);
    }

    /// @dev    Internal function that calls an external contract. The contract has to be approved via
    ///         `authorizeCalls()`.
    /// @param  addressToCall  Address of the contract to call.
    /// @param  dataToCall     Data to call the contract with.
    function _callWithData(address addressToCall, bytes memory dataToCall) internal virtual {
        if (authorizedContracts[addressToCall] == false) {
            revert ContractNotAuthorized(addressToCall);
        }
        AddressUpgradeable.functionCall(addressToCall, dataToCall);
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  FUNCTIONS: RESPONDING AND FLAGGING
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// @notice  The Orb creator can use this function to respond to any existing invocation, no matter how long ago
    ///          it was made. A response to an invocation can only be written once. There is no way to record response
    ///          cleartext on-chain.
    /// @dev     Emits `Response`.
    /// @param   orb           Address of the Orb.
    /// @param   invocationId  Id of an invocation to which the response is being made.
    /// @param   contentHash   keccak256 hash of the response text.
    function respond(address orb, uint256 invocationId, bytes32 contentHash) external virtual onlyCreator(orb) {
        if (invocationId > invocationCount[orb] || invocationId == 0) {
            revert InvocationNotFound(orb, invocationId);
        }
        if (_responseExists(orb, invocationId)) {
            revert ResponseExists(orb, invocationId);
        }

        responses[orb][invocationId] = ResponseData(contentHash, block.timestamp);

        emit Response(orb, invocationId, msg.sender, block.timestamp, contentHash);
    }

    /// @notice  Orb keeper can flag a response during Response Flagging Period, counting from when the response is
    ///          made. Flag indicates a "report", that the Orb keeper was not satisfied with the response provided.
    ///          This is meant to act as a social signal to future Orb keepers. It also increments
    ///          `flaggedResponsesCount`, allowing anyone to quickly look up how many responses were flagged.
    /// @dev     Only existing responses (with non-zero timestamps) can be flagged. Responses can only be flagged by
    ///          solvent keepers to keep it consistent with `invokeWithHash()` or `invokeWithCleartext()`. Also, the
    ///          keeper must have received the Orb after the response was made; this is to prevent keepers from
    ///          flagging responses that were made in response to others' invocations. Emits `ResponseFlagging`.
    /// @param   orb           Address of the Orb.
    /// @param   invocationId  Id of an invocation to which the response is being flagged.
    function flagResponse(address orb, uint256 invocationId) external virtual onlyKeeper(orb) onlyKeeperSolvent(orb) {
        uint256 keeperReceiveTime = IOrb(orb).keeperReceiveTime();
        uint256 flaggingPeriod = IOrb(orb).flaggingPeriod();

        if (!_responseExists(orb, invocationId)) {
            revert ResponseNotFound(orb, invocationId);
        }

        // Response Flagging Period starts counting from when the response is made.
        uint256 responseTime = responses[orb][invocationId].timestamp;
        if (block.timestamp - responseTime > flaggingPeriod) {
            revert FlaggingPeriodExpired(orb, invocationId, block.timestamp - responseTime, flaggingPeriod);
        }
        if (keeperReceiveTime >= responseTime) {
            revert FlaggingPeriodExpired(orb, invocationId, keeperReceiveTime, responseTime);
        }
        if (responseFlagged[orb][invocationId]) {
            revert ResponseAlreadyFlagged(orb, invocationId);
        }

        responseFlagged[orb][invocationId] = true;
        flaggedResponsesCount[orb] += 1;

        emit ResponseFlagging(orb, invocationId, msg.sender);
    }

    /// @dev     Returns if a response to an invocation exists, based on the timestamp of the response being non-zero.
    /// @param   orb            Address of the Orb.
    /// @param   invocationId_  Id of an invocation to which to check the existence of a response of.
    /// @return  isResponseFound  If a response to an invocation exists or not.
    function _responseExists(address orb, uint256 invocationId_) internal view virtual returns (bool isResponseFound) {
        if (responses[orb][invocationId_].timestamp != 0) {
            return true;
        }
        return false;
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  FUNCTIONS: UPGRADING AND MANAGEMENT
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    /// @notice  Allows the owner address to authorize externally callable contracts.
    /// @param   addressToAuthorize  Address of the contract to authorize.
    /// @param   authorizationValue  Boolean value to set the authorization to.
    function authorizeContract(address addressToAuthorize, bool authorizationValue) external virtual onlyOwner {
        authorizedContracts[addressToAuthorize] = authorizationValue;
        emit ContractAuthorization(addressToAuthorize, authorizationValue);
    }

    /// @notice  Returns the version of the Orb Invocation Registry. Internal constant `_VERSION` will be increased with
    ///          each upgrade.
    /// @return  orbInvocationRegistryVersion  Version of the Orb Invocation Registry contract.
    function version() public view virtual returns (uint256 orbInvocationRegistryVersion) {
        return _VERSION;
    }

    /// @dev  Authorizes owner address to upgrade the contract.
    // solhint-disable no-empty-blocks
    function _authorizeUpgrade(address newImplementation) internal override onlyOwner {}
}

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

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _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);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822ProxiableUpgradeable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.8.3._
 */
interface IERC1967Upgradeable {
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeaconUpgradeable {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeaconUpgradeable.sol";
import "../../interfaces/IERC1967Upgradeable.sol";
import "../../interfaces/draft-IERC1822Upgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/StorageSlotUpgradeable.sol";
import "../utils/Initializable.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 */
abstract contract ERC1967UpgradeUpgradeable is Initializable, IERC1967Upgradeable {
    function __ERC1967Upgrade_init() internal onlyInitializing {
    }

    function __ERC1967Upgrade_init_unchained() internal onlyInitializing {
    }
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            AddressUpgradeable.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            AddressUpgradeable.functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

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

pragma solidity ^0.8.0;

import "../../interfaces/draft-IERC1822Upgradeable.sol";
import "../ERC1967/ERC1967UpgradeUpgradeable.sol";
import "./Initializable.sol";

/**
 * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
 * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
 *
 * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
 * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
 * `UUPSUpgradeable` with a custom implementation of upgrades.
 *
 * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 *
 * _Available since v4.1._
 */
abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {
    function __UUPSUpgradeable_init() internal onlyInitializing {
    }

    function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
    }
    /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
    address private immutable __self = address(this);

    /**
     * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
     * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
     * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
     * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
     * fail.
     */
    modifier onlyProxy() {
        require(address(this) != __self, "Function must be called through delegatecall");
        require(_getImplementation() == __self, "Function must be called through active proxy");
        _;
    }

    /**
     * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
     * callable on the implementing contract but not through proxies.
     */
    modifier notDelegated() {
        require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
        _;
    }

    /**
     * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
     * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
     */
    function proxiableUUID() external view virtual override notDelegated returns (bytes32) {
        return _IMPLEMENTATION_SLOT;
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeTo(address newImplementation) public virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
    }

    /**
     * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
     * encoded in `data`.
     *
     * Calls {_authorizeUpgrade}.
     *
     * Emits an {Upgraded} event.
     *
     * @custom:oz-upgrades-unsafe-allow-reachable delegatecall
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
        _authorizeUpgrade(newImplementation);
        _upgradeToAndCallUUPS(newImplementation, data, true);
    }

    /**
     * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
     * {upgradeTo} and {upgradeToAndCall}.
     *
     * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
     *
     * ```solidity
     * function _authorizeUpgrade(address) internal override onlyOwner {}
     * ```
     */
    function _authorizeUpgrade(address newImplementation) internal virtual;

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// 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 AddressUpgradeable {
    /**
     * @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 v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlotUpgradeable {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import {IERC165Upgradeable} from
    "../lib/openzeppelin-contracts-upgradeable/contracts/utils/introspection/IERC165Upgradeable.sol";

interface IOrb is IERC165Upgradeable {
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  EVENTS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    event Creation();

    // Auction Events
    event AuctionStart(
        uint256 indexed auctionStartTime, uint256 indexed auctionEndTime, address indexed auctionBeneficiary
    );
    event AuctionBid(address indexed bidder, uint256 indexed bid);
    event AuctionExtension(uint256 indexed newAuctionEndTime);
    event AuctionFinalization(address indexed winner, uint256 indexed winningBid);

    // Funding Events
    event Deposit(address indexed depositor, uint256 indexed amount);
    event Withdrawal(address indexed recipient, uint256 indexed amount);
    event Settlement(address indexed keeper, address indexed beneficiary, uint256 indexed amount);

    // Purchasing Events
    event PriceUpdate(uint256 previousPrice, uint256 indexed newPrice);
    event Purchase(address indexed seller, address indexed buyer, uint256 indexed price);

    // Orb Ownership Events
    event Foreclosure(address indexed formerKeeper);
    event Relinquishment(address indexed formerKeeper);

    // Orb Parameter Events
    event OathSwearing(bytes32 indexed oathHash, uint256 indexed honoredUntil, uint256 indexed responsePeriod);
    event HonoredUntilUpdate(uint256 previousHonoredUntil, uint256 indexed newHonoredUntil);
    event AuctionParametersUpdate(
        uint256 previousStartingPrice,
        uint256 indexed newStartingPrice,
        uint256 previousMinimumBidStep,
        uint256 indexed newMinimumBidStep,
        uint256 previousMinimumDuration,
        uint256 indexed newMinimumDuration,
        uint256 previousKeeperMinimumDuration,
        uint256 newKeeperMinimumDuration,
        uint256 previousBidExtension,
        uint256 newBidExtension
    );
    event FeesUpdate(
        uint256 previousKeeperTaxNumerator,
        uint256 indexed newKeeperTaxNumerator,
        uint256 previousRoyaltyNumerator,
        uint256 indexed newRoyaltyNumerator
    );
    event CooldownUpdate(
        uint256 previousCooldown,
        uint256 indexed newCooldown,
        uint256 previousFlaggingPeriod,
        uint256 indexed newFlaggingPeriod
    );
    event CleartextMaximumLengthUpdate(
        uint256 previousCleartextMaximumLength, uint256 indexed newCleartextMaximumLength
    );

    // Upgrading Events
    event UpgradeRequest(address indexed requestedImplementation);

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  ERRORS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    // ERC-721 Errors
    error NotSupported();

    // Authorization Errors
    error NotPermitted();
    error AlreadyKeeper();
    error NotKeeper();
    error ContractHoldsOrb();
    error ContractDoesNotHoldOrb();
    error CreatorDoesNotControlOrb();

    // Auction Errors
    error AuctionNotRunning();
    error AuctionRunning();
    error AuctionNotStarted();
    error NotPermittedForLeadingBidder();
    error InsufficientBid(uint256 bidProvided, uint256 bidRequired);

    // Funding Errors
    error KeeperSolvent();
    error KeeperInsolvent();
    error InsufficientFunds(uint256 fundsAvailable, uint256 fundsRequired);

    // Purchasing Errors
    error CurrentValueIncorrect(uint256 valueProvided, uint256 currentValue);
    error PurchasingNotPermitted();
    error InvalidNewPrice(uint256 priceProvided);

    // Orb Parameter Errors
    error HonoredUntilNotDecreasable();
    error InvalidAuctionDuration(uint256 auctionDuration);
    error RoyaltyNumeratorExceedsDenominator(uint256 royaltyNumerator, uint256 feeDenominator);
    error CooldownExceedsMaximumDuration(uint256 cooldown, uint256 cooldownMaximumDuration);
    error InvalidCleartextMaximumLength(uint256 cleartextMaximumLength);

    // Upgradding Errors
    error NoUpgradeRequested();
    error NotNextVersion();

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  VIEW FUNCTIONS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    // Auction View Functions
    function auctionEndTime() external view returns (uint256);
    function leadingBidder() external view returns (address);
    function leadingBid() external view returns (uint256);
    function auctionBeneficiary() external view returns (address);
    function auctionStartingPrice() external view returns (uint256);
    function auctionMinimumBidStep() external view returns (uint256);
    function auctionMinimumDuration() external view returns (uint256);
    function auctionKeeperMinimumDuration() external view returns (uint256);
    function auctionBidExtension() external view returns (uint256);

    // Funding View Functions
    function fundsOf(address owner) external view returns (uint256);
    function lastSettlementTime() external view returns (uint256);
    function keeperSolvent() external view returns (bool);
    function keeperTaxNumerator() external view returns (uint256);
    function feeDenominator() external view returns (uint256);
    function keeperTaxPeriod() external view returns (uint256);

    // Purchasing View Functions
    function keeper() external view returns (address);
    function keeperReceiveTime() external view returns (uint256);
    function price() external view returns (uint256);
    function royaltyNumerator() external view returns (uint256);

    // Invoking and Responding View Functions
    function cooldown() external view returns (uint256);
    function flaggingPeriod() external view returns (uint256);
    function lastInvocationTime() external view returns (uint256);
    function cleartextMaximumLength() external view returns (uint256);

    // Orb Parameter View Functions
    function pond() external view returns (address);
    function creator() external view returns (address);
    function beneficiary() external view returns (address);
    function honoredUntil() external view returns (uint256);
    function responsePeriod() external view returns (uint256);

    // Upgrading View Functions
    function version() external view returns (uint256);
    function requestedUpgradeImplementation() external view returns (address);

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  FUNCTIONS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    function initialize(address beneficiary_, string memory name_, string memory symbol_, string memory tokenURI_)
        external;

    // Auction Functions
    function startAuction() external;
    function bid(uint256 amount, uint256 priceIfWon) external payable;
    function finalizeAuction() external;

    // Funding Functions
    function deposit() external payable;
    function withdraw(uint256 amount) external;
    function withdrawAll() external;
    function withdrawAllForBeneficiary() external;
    function settle() external;

    // Purchasing Functions
    function listWithPrice(uint256 listingPrice) external;
    function setPrice(uint256 newPrice) external;
    function purchase(
        uint256 newPrice,
        uint256 currentPrice,
        uint256 currentKeeperTaxNumerator,
        uint256 currentRoyaltyNumerator,
        uint256 currentCooldown,
        uint256 currentCleartextMaximumLength
    ) external payable;

    // Orb Ownership Functions
    function relinquish(bool withAuction) external;
    function foreclose() external;

    // Invoking Functions
    function setLastInvocationTime(uint256 timestamp) external;

    // Orb Parameter Functions
    function swearOath(bytes32 oathHash, uint256 newHonoredUntil, uint256 newResponsePeriod) external;
    function extendHonoredUntil(uint256 newHonoredUntil) external;
    function setTokenURI(string memory newTokenURI) external;
    function setAuctionParameters(
        uint256 newStartingPrice,
        uint256 newMinimumBidStep,
        uint256 newMinimumDuration,
        uint256 newKeeperMinimumDuration,
        uint256 newBidExtension
    ) external;
    function setFees(uint256 newKeeperTaxNumerator, uint256 newRoyaltyNumerator) external;
    function setCooldown(uint256 newCooldown, uint256 newFlaggingPeriod) external;
    function setCleartextMaximumLength(uint256 newCleartextMaximumLength) external;

    // Upgrading Functions
    function requestUpgrade(address requestedImplementation) external;
    function upgradeToNextVersion() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import {IERC165Upgradeable} from
    "../lib/openzeppelin-contracts-upgradeable/contracts/utils/introspection/IERC165Upgradeable.sol";

interface IOrbInvocationRegistry is IERC165Upgradeable {
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  EVENTS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    event Invocation(
        address indexed orb,
        uint256 indexed invocationId,
        address indexed invoker,
        uint256 timestamp,
        bytes32 contentHash
    );
    event Response(
        address indexed orb,
        uint256 indexed invocationId,
        address indexed responder,
        uint256 timestamp,
        bytes32 contentHash
    );
    event CleartextRecording(address indexed orb, uint256 indexed invocationId, string cleartext);
    event ResponseFlagging(address indexed orb, uint256 indexed invocationId, address indexed flagger);

    event ContractAuthorization(address indexed contractAddress, bool indexed authorized);

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  ERRORS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    // Authorization Errors
    error NotKeeper();
    error NotCreator();
    error ContractHoldsOrb();
    error KeeperInsolvent();
    error ContractNotAuthorized(address externalContract);

    // Invoking and Responding Errors
    error CooldownIncomplete(uint256 timeRemaining);
    error CleartextTooLong(uint256 cleartextLength, uint256 cleartextMaximumLength);
    error InvocationNotFound(address orb, uint256 invocationId);
    error ResponseNotFound(address orb, uint256 invocationId);
    error ResponseExists(address orb, uint256 invocationId);
    error FlaggingPeriodExpired(address orb, uint256 invocationId, uint256 currentTimeValue, uint256 timeValueLimit);
    error ResponseAlreadyFlagged(address orb, uint256 invocationId);

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  VIEW FUNCTIONS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    function invocations(address orb, uint256 invocationId)
        external
        view
        returns (address invoker, bytes32 contentHash, uint256 timestamp);
    function invocationCount(address orb) external view returns (uint256);

    function responses(address orb, uint256 invocationId)
        external
        view
        returns (bytes32 contentHash, uint256 timestamp);
    function responseFlagged(address orb, uint256 invocationId) external view returns (bool);
    function flaggedResponsesCount(address orb) external view returns (uint256);

    function authorizedContracts(address contractAddress) external view returns (bool);

    function version() external view returns (uint256);

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //  FUNCTIONS
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

    function invokeWithCleartext(address orb, string memory cleartext) external;
    function invokeWithCleartextAndCall(
        address orb,
        string memory cleartext,
        address addressToCall,
        bytes memory dataToCall
    ) external;
    function invokeWithHash(address orb, bytes32 contentHash) external;
    function invokeWithHashAndCall(address orb, bytes32 contentHash, address addressToCall, bytes memory dataToCall)
        external;
    function respond(address orb, uint256 invocationId, bytes32 contentHash) external;
    function flagResponse(address orb, uint256 invocationId) external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"cleartextLength","type":"uint256"},{"internalType":"uint256","name":"cleartextMaximumLength","type":"uint256"}],"name":"CleartextTooLong","type":"error"},{"inputs":[],"name":"ContractHoldsOrb","type":"error"},{"inputs":[{"internalType":"address","name":"externalContract","type":"address"}],"name":"ContractNotAuthorized","type":"error"},{"inputs":[{"internalType":"uint256","name":"timeRemaining","type":"uint256"}],"name":"CooldownIncomplete","type":"error"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"},{"internalType":"uint256","name":"currentTimeValue","type":"uint256"},{"internalType":"uint256","name":"timeValueLimit","type":"uint256"}],"name":"FlaggingPeriodExpired","type":"error"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"InvocationNotFound","type":"error"},{"inputs":[],"name":"KeeperInsolvent","type":"error"},{"inputs":[],"name":"NotCreator","type":"error"},{"inputs":[],"name":"NotKeeper","type":"error"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"ResponseAlreadyFlagged","type":"error"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"ResponseExists","type":"error"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"ResponseNotFound","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"orb","type":"address"},{"indexed":true,"internalType":"uint256","name":"invocationId","type":"uint256"},{"indexed":false,"internalType":"string","name":"cleartext","type":"string"}],"name":"CleartextRecording","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"contractAddress","type":"address"},{"indexed":true,"internalType":"bool","name":"authorized","type":"bool"}],"name":"ContractAuthorization","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"orb","type":"address"},{"indexed":true,"internalType":"uint256","name":"invocationId","type":"uint256"},{"indexed":true,"internalType":"address","name":"invoker","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"contentHash","type":"bytes32"}],"name":"Invocation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"orb","type":"address"},{"indexed":true,"internalType":"uint256","name":"invocationId","type":"uint256"},{"indexed":true,"internalType":"address","name":"responder","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"contentHash","type":"bytes32"}],"name":"Response","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"orb","type":"address"},{"indexed":true,"internalType":"uint256","name":"invocationId","type":"uint256"},{"indexed":true,"internalType":"address","name":"flagger","type":"address"}],"name":"ResponseFlagging","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[{"internalType":"address","name":"addressToAuthorize","type":"address"},{"internalType":"bool","name":"authorizationValue","type":"bool"}],"name":"authorizeContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"contractAddress","type":"address"}],"name":"authorizedContracts","outputs":[{"internalType":"bool","name":"authorizedForCalling","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"flagResponse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"}],"name":"flaggedResponsesCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"}],"name":"invocationCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"invocations","outputs":[{"internalType":"address","name":"invoker","type":"address"},{"internalType":"bytes32","name":"contentHash","type":"bytes32"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"string","name":"cleartext","type":"string"}],"name":"invokeWithCleartext","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"string","name":"cleartext","type":"string"},{"internalType":"address","name":"addressToCall","type":"address"},{"internalType":"bytes","name":"dataToCall","type":"bytes"}],"name":"invokeWithCleartextAndCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"bytes32","name":"contentHash","type":"bytes32"}],"name":"invokeWithHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"bytes32","name":"contentHash","type":"bytes32"},{"internalType":"address","name":"addressToCall","type":"address"},{"internalType":"bytes","name":"dataToCall","type":"bytes"}],"name":"invokeWithHashAndCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxiableUUID","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"},{"internalType":"bytes32","name":"contentHash","type":"bytes32"}],"name":"respond","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"responseFlagged","outputs":[{"internalType":"bool","name":"isFlagged","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"orb","type":"address"},{"internalType":"uint256","name":"invocationId","type":"uint256"}],"name":"responses","outputs":[{"internalType":"bytes32","name":"contentHash","type":"bytes32"},{"internalType":"uint256","name":"timestamp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"isInterfaceSupported","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint256","name":"orbInvocationRegistryVersion","type":"uint256"}],"stateMutability":"view","type":"function"}]

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