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// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "../vendor/@openzeppelin/[email protected]/security/ReentrancyGuard.sol";
import "../access/AccessControlRegistryAdminnedWithManager.sol";
import "./DataFeedServer.sol";
import "./interfaces/IApi3ServerV1OevExtension.sol";
import "../vendor/@openzeppelin/[email protected]/utils/Address.sol";
import "../vendor/@openzeppelin/[email protected]/utils/cryptography/ECDSA.sol";
import "./interfaces/IApi3ServerV1.sol";
import "./interfaces/IApi3ServerV1OevExtensionOevBidPayer.sol";

/// @title Api3ServerV1 extension for OEV support
/// @notice Api3ServerV1 contract supports base data feeds and OEV
/// functionality. This contract implements the updated OEV design, and thus
/// supersedes the OEV-related portion of Api3ServerV1. As before, the users
/// are intended to read API3 data feeds through a standardized proxy, which
/// abstracts this change away.
contract Api3ServerV1OevExtension is
    ReentrancyGuard,
    AccessControlRegistryAdminnedWithManager,
    DataFeedServer,
    IApi3ServerV1OevExtension
{
    using ECDSA for bytes32;

    struct LastPaidBid {
        address updater;
        uint32 signedDataTimestampCutoff;
    }

    /// @notice Withdrawer role description
    string public constant override WITHDRAWER_ROLE_DESCRIPTION = "Withdrawer";

    /// @notice Auctioneer role description
    string public constant override AUCTIONEER_ROLE_DESCRIPTION = "Auctioneer";

    /// @notice Withdrawer role
    bytes32 public immutable override withdrawerRole;

    /// @notice Auctioneer role
    bytes32 public immutable override auctioneerRole;

    /// @notice Api3ServerV1 contract address
    address public immutable override api3ServerV1;

    /// @notice Returns the parameters of the last paid bid for the dApp with
    /// ID
    mapping(uint256 => LastPaidBid) public override dappIdToLastPaidBid;

    bytes32 private constant OEV_BID_PAYMENT_CALLBACK_SUCCESS =
        keccak256("Api3ServerV1OevExtensionOevBidPayer.onOevBidPayment");

    /// @param accessControlRegistry_ AccessControlRegistry contract address
    /// @param adminRoleDescription_ Admin role description
    /// @param manager_ Manager address
    /// @param api3ServerV1_ Api3ServerV1 address
    constructor(
        address accessControlRegistry_,
        string memory adminRoleDescription_,
        address manager_,
        address api3ServerV1_
    )
        AccessControlRegistryAdminnedWithManager(
            accessControlRegistry_,
            adminRoleDescription_,
            manager_
        )
    {
        require(api3ServerV1_ != address(0), "Api3ServerV1 address zero");
        api3ServerV1 = api3ServerV1_;
        withdrawerRole = _deriveRole(
            _deriveAdminRole(manager_),
            WITHDRAWER_ROLE_DESCRIPTION
        );
        auctioneerRole = _deriveRole(
            _deriveAdminRole(manager_),
            AUCTIONEER_ROLE_DESCRIPTION
        );
    }

    /// @dev Used to receive the bid amount in the OEV bid payment callback
    receive() external payable {}

    /// @notice Called by the contract manager or a withdrawer to withdraw the
    /// accumulated OEV auction proceeds
    /// @dev This function has a reentrancy guard to prevent it from being
    /// called in an OEV bid payment callback
    /// @param recipient Recipient address
    /// @param amount Amount
    function withdraw(
        address recipient,
        uint256 amount
    ) external override nonReentrant {
        require(recipient != address(0), "Recipient address zero");
        require(amount != 0, "Amount zero");
        require(
            msg.sender == manager ||
                IAccessControlRegistry(accessControlRegistry).hasRole(
                    withdrawerRole,
                    msg.sender
                ),
            "Sender cannot withdraw"
        );
        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Withdrawal reverted");
        emit Withdrew(recipient, amount, msg.sender);
    }

    /// @notice An OEV auction bid specifies a dApp ID, a signed data timestamp
    /// cut-off, a bid amount and an updater account. To award the winning bid,
    /// an auctioneer signs a message that includes the hash of these
    /// parameters and publishes it. Then, the updater account calls this
    /// function to pay the bid amount and claim the privilege to execute
    /// updates for the dApp with ID using the signed data whose timestamps are
    /// limited by the cut-off. At least the bid amount must be sent to this
    /// contract with empty calldata in the `onOevBidPayment` callback, which
    /// will be checked upon succesful return.
    /// As a result of the reentrancy guard, nesting OEV bid payments is not
    /// allowed.
    /// @param dappId dApp ID
    /// @param bidAmount Bid amount
    /// @param signedDataTimestampCutoff Signed data timestamp cut-off
    /// @param signature Signature provided by an auctioneer
    /// @param data Data that will be passed through the callback
    function payOevBid(
        uint256 dappId,
        uint256 bidAmount,
        uint32 signedDataTimestampCutoff,
        bytes calldata signature,
        bytes calldata data
    ) external override nonReentrant {
        require(dappId != 0, "dApp ID zero");
        require(signedDataTimestampCutoff != 0, "Cut-off zero");
        // It is intended for the auction periods to be in the order of a
        // minute. To prevent erroneously large cut-off timestamps from causing
        // an irreversible state change to the contract, we do not allow
        // cut-off values that are too far in the future.
        require(
            signedDataTimestampCutoff < block.timestamp + 1 hours,
            "Cut-off too far in the future"
        );
        address auctioneer = (
            keccak256(
                abi.encodePacked(
                    block.chainid,
                    dappId,
                    msg.sender,
                    bidAmount,
                    signedDataTimestampCutoff
                )
            ).toEthSignedMessageHash()
        ).recover(signature);
        require(
            IAccessControlRegistry(accessControlRegistry).hasRole(
                auctioneerRole,
                auctioneer
            ),
            "Signature mismatch"
        );
        require(
            dappIdToLastPaidBid[dappId].signedDataTimestampCutoff <
                signedDataTimestampCutoff,
            "Cut-off not more recent"
        );
        dappIdToLastPaidBid[dappId] = LastPaidBid({
            updater: msg.sender,
            signedDataTimestampCutoff: signedDataTimestampCutoff
        });
        uint256 balanceBefore = address(this).balance;
        require(
            IApi3ServerV1OevExtensionOevBidPayer(msg.sender).onOevBidPayment(
                bidAmount,
                data
            ) == OEV_BID_PAYMENT_CALLBACK_SUCCESS,
            "OEV bid payment callback failed"
        );
        require(
            address(this).balance - balanceBefore >= bidAmount,
            "OEV bid payment amount short"
        );
        emit PaidOevBid(
            dappId,
            msg.sender,
            bidAmount,
            signedDataTimestampCutoff,
            auctioneer
        );
    }

    /// @notice Called by the current updater of the dApp with ID to update the
    /// OEV data feed specific to the dApp
    /// @param dappId dApp ID
    /// @param signedData Signed data (see `_updateDappOevDataFeed()` for
    /// details)
    /// @return baseDataFeedId Base data feed ID
    /// @return updatedValue Updated value
    /// @return updatedTimestamp Updated timestamp
    function updateDappOevDataFeed(
        uint256 dappId,
        bytes[] calldata signedData
    )
        external
        override
        returns (
            bytes32 baseDataFeedId,
            int224 updatedValue,
            uint32 updatedTimestamp
        )
    {
        LastPaidBid storage lastPaidBid = dappIdToLastPaidBid[dappId];
        require(
            msg.sender == lastPaidBid.updater,
            "Sender not last bid updater"
        );
        (
            baseDataFeedId,
            updatedValue,
            updatedTimestamp
        ) = _updateDappOevDataFeed(
            dappId,
            lastPaidBid.signedDataTimestampCutoff,
            signedData
        );
        emit UpdatedDappOevDataFeed(
            dappId,
            msg.sender,
            baseDataFeedId,
            updatedValue,
            updatedTimestamp
        );
    }

    /// @notice Called by the zero address to simulate an OEV data feed update
    /// @dev The intended flow is for a searcher to do a static multicall to
    /// this function and `simulateExternalCall()` to check if the current
    /// signed data lets them extract OEV. If so, the searcher stores this data
    /// and places a bid on OevAuctionHouse. If they win the auction, they pay
    /// the bid and use the stored signed data with `updateDappOevDataFeed()`
    /// to extract OEV.
    /// @param dappId dApp ID
    /// @param signedData Signed data (see `_updateDappOevDataFeed()` for
    /// details)
    /// @return baseDataFeedId Base data feed ID
    /// @return updatedValue Updated value
    /// @return updatedTimestamp Updated timestamp
    function simulateDappOevDataFeedUpdate(
        uint256 dappId,
        bytes[] calldata signedData
    )
        external
        override
        returns (
            bytes32 baseDataFeedId,
            int224 updatedValue,
            uint32 updatedTimestamp
        )
    {
        require(msg.sender == address(0), "Sender address not zero");
        (
            baseDataFeedId,
            updatedValue,
            updatedTimestamp
        ) = _updateDappOevDataFeed(dappId, type(uint256).max, signedData);
    }

    /// @notice Called by the zero address to simulate an external call
    /// @dev The most basic usage of this is in a static multicall that calls
    /// `simulateDappOevDataFeedUpdate()` multiple times to update the relevant
    /// feeds, followed by an external call to the liquidator contract of the
    /// searcher, which is built to return the revenue from the liquidation.
    /// The returned value would then be used to determine the bid amount.
    /// @param target Target address of the external call
    /// @param data Calldata of the external call
    /// @return Returndata of the external call
    function simulateExternalCall(
        address target,
        bytes calldata data
    ) external override returns (bytes memory) {
        require(msg.sender == address(0), "Sender address not zero");
        return Address.functionCall(target, data);
    }

    /// @notice Value of the OEV data feed specific to the dApp, intended for
    /// informational purposes. The dApps are strongly recommended to use the
    /// standardized proxies to read data feeds.
    /// @param dappId dApp ID
    /// @param dataFeedId Data feed ID
    /// @return value Data feed value
    /// @return timestamp Data feed timestamp
    function oevDataFeed(
        uint256 dappId,
        bytes32 dataFeedId
    ) external view override returns (int224 value, uint32 timestamp) {
        DataFeed storage dataFeed = _dataFeeds[
            keccak256(abi.encodePacked(dappId, dataFeedId))
        ];
        (value, timestamp) = (dataFeed.value, dataFeed.timestamp);
    }

    /// @notice Updates OEV data feed specific to the dApp with the signed data
    /// @dev This function replicates the guarantees of base feed updates,
    /// which makes OEV updates exactly as secure as base feed updates. The
    /// main difference between base feed updates and OEV feed updates is that
    /// the signature for OEV updates use the hash of the respective template
    /// ID (while the base feed updates use the template ID as is).
    /// @param dappId dApp ID
    /// @param signedDataTimestampCutoff Signed data timestamp cut-off
    /// @param signedData Signed data that is a bytes array. Each item in the
    /// array is the Airnode address, template ID, data feed timestamp, data
    /// feed value and signature belonging to each Beacon. Similar to base feed
    /// updates, OEV feed updates allow individual Beacon updates to be omitted
    /// (in this case by leaving the signature empty) in case signed data for
    /// some of the Beacons is not available.
    /// @return baseDataFeedId Base data feed ID
    /// @return updatedValue Updated value
    /// @return updatedTimestamp Updated timestamp
    function _updateDappOevDataFeed(
        uint256 dappId,
        uint256 signedDataTimestampCutoff,
        bytes[] calldata signedData
    )
        private
        returns (
            bytes32 baseDataFeedId,
            int224 updatedValue,
            uint32 updatedTimestamp
        )
    {
        uint256 beaconCount = signedData.length;
        require(beaconCount > 0, "Signed data empty");
        if (beaconCount == 1) {
            (
                address airnode,
                bytes32 templateId,
                uint256 timestamp,
                bytes memory data,
                bytes memory signature
            ) = abi.decode(
                    signedData[0],
                    (address, bytes32, uint256, bytes, bytes)
                );
            baseDataFeedId = deriveBeaconId(airnode, templateId);
            // Each base feed has an OEV equivalent specific to each dApp. The
            // ID of these OEV feeds are simply the dApp ID and the base data
            // feed ID hashed together, independent from if the base feed is a
            // Beacon or Beacon set.
            bytes32 oevBeaconId = keccak256(
                abi.encodePacked(dappId, baseDataFeedId)
            );
            // The signature cannot be omitted for a single Beacon
            require(
                (
                    keccak256(
                        abi.encodePacked(
                            keccak256(abi.encodePacked(templateId)),
                            timestamp,
                            data
                        )
                    ).toEthSignedMessageHash()
                ).recover(signature) == airnode,
                "Signature mismatch"
            );
            require(
                timestamp <= signedDataTimestampCutoff,
                "Timestamp exceeds cut-off"
            );
            require(
                timestamp > _dataFeeds[oevBeaconId].timestamp,
                "Does not update timestamp"
            );
            updatedValue = decodeFulfillmentData(data);
            updatedTimestamp = uint32(timestamp);
            // We do not need to check if the base feed has a larger timestamp,
            // as the proxy will prefer the base feed if it has a larger
            // timestamp anyway
            _dataFeeds[oevBeaconId] = DataFeed({
                value: updatedValue,
                timestamp: updatedTimestamp
            });
        } else {
            bytes32[] memory baseBeaconIds = new bytes32[](beaconCount);
            bytes32[] memory oevBeaconIds = new bytes32[](beaconCount);
            for (uint256 ind = 0; ind < beaconCount; ind++) {
                (
                    address airnode,
                    bytes32 templateId,
                    uint256 timestamp,
                    bytes memory data,
                    bytes memory signature
                ) = abi.decode(
                        signedData[ind],
                        (address, bytes32, uint256, bytes, bytes)
                    );
                baseBeaconIds[ind] = deriveBeaconId(airnode, templateId);
                // We also store individual Beacons of an OEV feed to make sure
                // that their timestamps are not reduced by OEV updates
                oevBeaconIds[ind] = keccak256(
                    abi.encodePacked(dappId, baseBeaconIds[ind])
                );
                if (signature.length != 0) {
                    require(
                        (
                            keccak256(
                                abi.encodePacked(
                                    keccak256(abi.encodePacked(templateId)),
                                    timestamp,
                                    data
                                )
                            ).toEthSignedMessageHash()
                        ).recover(signature) == airnode,
                        "Signature mismatch"
                    );
                    require(
                        timestamp <= signedDataTimestampCutoff,
                        "Timestamp exceeds cut-off"
                    );
                    require(
                        timestamp > _dataFeeds[oevBeaconIds[ind]].timestamp,
                        "Does not update timestamp"
                    );
                    _dataFeeds[oevBeaconIds[ind]] = DataFeed({
                        value: decodeFulfillmentData(data),
                        timestamp: uint32(timestamp)
                    });
                }
                // Without the following bit, an OEV update would effectively
                // be able to reduce the timestamps of individual Beacons of a
                // Beacon set.
                (
                    int224 baseBeaconValue,
                    uint32 baseBeaconTimestamp
                ) = IApi3ServerV1(api3ServerV1).dataFeeds(baseBeaconIds[ind]);
                if (
                    baseBeaconTimestamp >
                    _dataFeeds[oevBeaconIds[ind]].timestamp
                ) {
                    // Carrying over base feed values to OEV feeds is fine
                    // because they are secured by identical guarantees
                    _dataFeeds[oevBeaconIds[ind]] = DataFeed({
                        value: baseBeaconValue,
                        timestamp: baseBeaconTimestamp
                    });
                }
            }
            baseDataFeedId = deriveBeaconSetId(baseBeaconIds);
            (updatedValue, updatedTimestamp) = aggregateBeacons(oevBeaconIds);
            bytes32 oevBeaconSetId = keccak256(
                abi.encodePacked(dappId, baseDataFeedId)
            );
            DataFeed storage oevBeaconSet = _dataFeeds[oevBeaconSetId];
            if (oevBeaconSet.timestamp == updatedTimestamp) {
                require(
                    oevBeaconSet.value != updatedValue,
                    "Does not update Beacon set"
                );
            }
            _dataFeeds[oevBeaconSetId] = DataFeed({
                value: updatedValue,
                timestamp: updatedTimestamp
            });
        }
    }
}

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

import "../utils/SelfMulticall.sol";
import "./RoleDeriver.sol";
import "./interfaces/IAccessControlRegistryAdminned.sol";
import "./interfaces/IAccessControlRegistry.sol";

/// @title Contract to be inherited by contracts whose adminship functionality
/// will be implemented using AccessControlRegistry
contract AccessControlRegistryAdminned is
    SelfMulticall,
    RoleDeriver,
    IAccessControlRegistryAdminned
{
    /// @notice AccessControlRegistry contract address
    address public immutable override accessControlRegistry;

    /// @notice Admin role description
    string public override adminRoleDescription;

    bytes32 internal immutable adminRoleDescriptionHash;

    /// @dev Contracts deployed with the same admin role descriptions will have
    /// the same roles, meaning that granting an account a role will authorize
    /// it in multiple contracts. Unless you want your deployed contract to
    /// share the role configuration of another contract, use a unique admin
    /// role description.
    /// @param _accessControlRegistry AccessControlRegistry contract address
    /// @param _adminRoleDescription Admin role description
    constructor(
        address _accessControlRegistry,
        string memory _adminRoleDescription
    ) {
        require(_accessControlRegistry != address(0), "ACR address zero");
        require(
            bytes(_adminRoleDescription).length > 0,
            "Admin role description empty"
        );
        accessControlRegistry = _accessControlRegistry;
        adminRoleDescription = _adminRoleDescription;
        adminRoleDescriptionHash = keccak256(
            abi.encodePacked(_adminRoleDescription)
        );
    }

    /// @notice Derives the admin role for the specific manager address
    /// @param manager Manager address
    /// @return adminRole Admin role
    function _deriveAdminRole(
        address manager
    ) internal view returns (bytes32 adminRole) {
        adminRole = _deriveRole(
            _deriveRootRole(manager),
            adminRoleDescriptionHash
        );
    }
}

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

import "./AccessControlRegistryAdminned.sol";
import "./interfaces/IAccessControlRegistryAdminnedWithManager.sol";

/// @title Contract to be inherited by contracts with manager whose adminship
/// functionality will be implemented using AccessControlRegistry
/// @notice The manager address here is expected to belong to an
/// AccessControlRegistry user that is a multisig/DAO
contract AccessControlRegistryAdminnedWithManager is
    AccessControlRegistryAdminned,
    IAccessControlRegistryAdminnedWithManager
{
    /// @notice Address of the manager that manages the related
    /// AccessControlRegistry roles
    /// @dev The mutability of the manager role can be implemented by
    /// designating an OwnableCallForwarder contract as the manager. The
    /// ownership of this contract can then be transferred, effectively
    /// transferring managership.
    address public immutable override manager;

    /// @notice Admin role
    /// @dev Since `manager` is immutable, so is `adminRole`
    bytes32 public immutable override adminRole;

    /// @param _accessControlRegistry AccessControlRegistry contract address
    /// @param _adminRoleDescription Admin role description
    /// @param _manager Manager address
    constructor(
        address _accessControlRegistry,
        string memory _adminRoleDescription,
        address _manager
    )
        AccessControlRegistryAdminned(
            _accessControlRegistry,
            _adminRoleDescription
        )
    {
        require(_manager != address(0), "Manager address zero");
        manager = _manager;
        adminRole = _deriveAdminRole(_manager);
    }
}

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

import "../../vendor/@openzeppelin/[email protected]/access/IAccessControl.sol";
import "../../utils/interfaces/ISelfMulticall.sol";

interface IAccessControlRegistry is IAccessControl, ISelfMulticall {
    event InitializedManager(
        bytes32 indexed rootRole,
        address indexed manager,
        address sender
    );

    event InitializedRole(
        bytes32 indexed role,
        bytes32 indexed adminRole,
        string description,
        address sender
    );

    function initializeManager(address manager) external;

    function initializeRoleAndGrantToSender(
        bytes32 adminRole,
        string calldata description
    ) external returns (bytes32 role);
}

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

import "../../utils/interfaces/ISelfMulticall.sol";

interface IAccessControlRegistryAdminned is ISelfMulticall {
    function accessControlRegistry() external view returns (address);

    function adminRoleDescription() external view returns (string memory);
}

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

import "./IAccessControlRegistryAdminned.sol";

interface IAccessControlRegistryAdminnedWithManager is
    IAccessControlRegistryAdminned
{
    function manager() external view returns (address);

    function adminRole() external view returns (bytes32);
}

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

/// @title Contract to be inherited by contracts that will derive
/// AccessControlRegistry roles
/// @notice If a contract interfaces with AccessControlRegistry and needs to
/// derive roles, it should inherit this contract instead of re-implementing
/// the logic
contract RoleDeriver {
    /// @notice Derives the root role of the manager
    /// @param manager Manager address
    /// @return rootRole Root role
    function _deriveRootRole(
        address manager
    ) internal pure returns (bytes32 rootRole) {
        rootRole = keccak256(abi.encodePacked(manager));
    }

    /// @notice Derives the role using its admin role and description
    /// @dev This implies that roles adminned by the same role cannot have the
    /// same description
    /// @param adminRole Admin role
    /// @param description Human-readable description of the role
    /// @return role Role
    function _deriveRole(
        bytes32 adminRole,
        string memory description
    ) internal pure returns (bytes32 role) {
        role = _deriveRole(adminRole, keccak256(abi.encodePacked(description)));
    }

    /// @notice Derives the role using its admin role and description hash
    /// @dev This implies that roles adminned by the same role cannot have the
    /// same description
    /// @param adminRole Admin role
    /// @param descriptionHash Hash of the human-readable description of the
    /// role
    /// @return role Role
    function _deriveRole(
        bytes32 adminRole,
        bytes32 descriptionHash
    ) internal pure returns (bytes32 role) {
        role = keccak256(abi.encodePacked(adminRole, descriptionHash));
    }
}

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

import "./Sort.sol";
import "./QuickSelect.sol";

/// @title Contract to be inherited by contracts that will calculate the median
/// of an array
/// @notice The operation will be in-place, i.e., the array provided as the
/// argument will be modified.
contract Median is Sort, Quickselect {
    /// @notice Returns the median of the array
    /// @dev Uses an unrolled sorting implementation for shorter arrays and
    /// quickselect for longer arrays for gas cost efficiency
    /// @param array Array whose median is to be calculated
    /// @return Median of the array
    function median(int256[] memory array) internal pure returns (int256) {
        uint256 arrayLength = array.length;
        if (arrayLength <= MAX_SORT_LENGTH) {
            sort(array);
            if (arrayLength % 2 == 1) {
                return array[arrayLength / 2];
            } else {
                assert(arrayLength != 0);
                unchecked {
                    return
                        average(
                            array[arrayLength / 2 - 1],
                            array[arrayLength / 2]
                        );
                }
            }
        } else {
            if (arrayLength % 2 == 1) {
                return array[quickselectK(array, arrayLength / 2)];
            } else {
                uint256 mid1;
                uint256 mid2;
                unchecked {
                    (mid1, mid2) = quickselectKPlusOne(
                        array,
                        arrayLength / 2 - 1
                    );
                }
                return average(array[mid1], array[mid2]);
            }
        }
    }

    /// @notice Averages two signed integers without overflowing
    /// @param x Integer x
    /// @param y Integer y
    /// @return Average of integers x and y
    function average(int256 x, int256 y) private pure returns (int256) {
        unchecked {
            int256 averageRoundedDownToNegativeInfinity = (x >> 1) +
                (y >> 1) +
                (x & y & 1);
            // If the average rounded down to negative infinity is negative
            // (i.e., its 256th sign bit is set), and one of (x, y) is even and
            // the other one is odd (i.e., the 1st bit of their xor is set),
            // add 1 to round the average down to zero instead.
            // We will typecast the signed integer to unsigned to logical-shift
            // int256(uint256(signedInt)) >> 255 ~= signedInt >>> 255
            return
                averageRoundedDownToNegativeInfinity +
                (int256(
                    (uint256(averageRoundedDownToNegativeInfinity) >> 255)
                ) & (x ^ y));
        }
    }
}

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

/// @title Contract to be inherited by contracts that will calculate the index
/// of the k-th and optionally (k+1)-th largest elements in the array
/// @notice Uses quickselect, which operates in-place, i.e., the array provided
/// as the argument will be modified.
contract Quickselect {
    /// @notice Returns the index of the k-th largest element in the array
    /// @param array Array in which k-th largest element will be searched
    /// @param k K
    /// @return indK Index of the k-th largest element
    function quickselectK(
        int256[] memory array,
        uint256 k
    ) internal pure returns (uint256 indK) {
        uint256 arrayLength = array.length;
        assert(arrayLength > 0);
        unchecked {
            (indK, ) = quickselect(array, 0, arrayLength - 1, k, false);
        }
    }

    /// @notice Returns the index of the k-th and (k+1)-th largest elements in
    /// the array
    /// @param array Array in which k-th and (k+1)-th largest elements will be
    /// searched
    /// @param k K
    /// @return indK Index of the k-th largest element
    /// @return indKPlusOne Index of the (k+1)-th largest element
    function quickselectKPlusOne(
        int256[] memory array,
        uint256 k
    ) internal pure returns (uint256 indK, uint256 indKPlusOne) {
        uint256 arrayLength = array.length;
        assert(arrayLength > 1);
        unchecked {
            (indK, indKPlusOne) = quickselect(
                array,
                0,
                arrayLength - 1,
                k,
                true
            );
        }
    }

    /// @notice Returns the index of the k-th largest element in the specified
    /// section of the (potentially unsorted) array
    /// @param array Array in which K will be searched for
    /// @param lo Starting index of the section of the array that K will be
    /// searched in
    /// @param hi Last index of the section of the array that K will be
    /// searched in
    /// @param k K
    /// @param selectKPlusOne If the index of the (k+1)-th largest element is
    /// to be returned
    /// @return indK Index of the k-th largest element
    /// @return indKPlusOne Index of the (k+1)-th largest element (only set if
    /// `selectKPlusOne` is `true`)
    function quickselect(
        int256[] memory array,
        uint256 lo,
        uint256 hi,
        uint256 k,
        bool selectKPlusOne
    ) private pure returns (uint256 indK, uint256 indKPlusOne) {
        if (lo == hi) {
            return (k, 0);
        }
        uint256 indPivot = partition(array, lo, hi);
        if (k < indPivot) {
            unchecked {
                (indK, ) = quickselect(array, lo, indPivot - 1, k, false);
            }
        } else if (k > indPivot) {
            unchecked {
                (indK, ) = quickselect(array, indPivot + 1, hi, k, false);
            }
        } else {
            indK = indPivot;
        }
        // Since Quickselect ends in the array being partitioned around the
        // k-th largest element, we can continue searching towards right for
        // the (k+1)-th largest element, which is useful in calculating the
        // median of an array with even length
        if (selectKPlusOne) {
            unchecked {
                indKPlusOne = indK + 1;
            }
            uint256 i;
            unchecked {
                i = indKPlusOne + 1;
            }
            uint256 arrayLength = array.length;
            for (; i < arrayLength; ) {
                if (array[i] < array[indKPlusOne]) {
                    indKPlusOne = i;
                }
                unchecked {
                    i++;
                }
            }
        }
    }

    /// @notice Partitions the array into two around a pivot
    /// @param array Array that will be partitioned
    /// @param lo Starting index of the section of the array that will be
    /// partitioned
    /// @param hi Last index of the section of the array that will be
    /// partitioned
    /// @return pivotInd Pivot index
    function partition(
        int256[] memory array,
        uint256 lo,
        uint256 hi
    ) private pure returns (uint256 pivotInd) {
        if (lo == hi) {
            return lo;
        }
        int256 pivot = array[lo];
        uint256 i = lo;
        unchecked {
            pivotInd = hi + 1;
        }
        while (true) {
            do {
                unchecked {
                    i++;
                }
            } while (i < array.length && array[i] < pivot);
            do {
                unchecked {
                    pivotInd--;
                }
            } while (array[pivotInd] > pivot);
            if (i >= pivotInd) {
                (array[lo], array[pivotInd]) = (array[pivotInd], array[lo]);
                return pivotInd;
            }
            (array[i], array[pivotInd]) = (array[pivotInd], array[i]);
        }
    }
}

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

/// @title Contract to be inherited by contracts that will sort an array using
/// an unrolled implementation
/// @notice The operation will be in-place, i.e., the array provided as the
/// argument will be modified.
contract Sort {
    uint256 internal constant MAX_SORT_LENGTH = 9;

    /// @notice Sorts the array
    /// @param array Array to be sorted
    function sort(int256[] memory array) internal pure {
        uint256 arrayLength = array.length;
        require(arrayLength <= MAX_SORT_LENGTH, "Array too long to sort");
        // Do a binary search
        if (arrayLength < 6) {
            // Possible lengths: 1, 2, 3, 4, 5
            if (arrayLength < 4) {
                // Possible lengths: 1, 2, 3
                if (arrayLength == 3) {
                    // Length: 3
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 0, 1);
                } else if (arrayLength == 2) {
                    // Length: 2
                    swapIfFirstIsLarger(array, 0, 1);
                }
                // Do nothing for Length: 1
            } else {
                // Possible lengths: 4, 5
                if (arrayLength == 5) {
                    // Length: 5
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 0, 2);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 0, 3);
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 1, 2);
                } else {
                    // Length: 4
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 0, 2);
                    swapIfFirstIsLarger(array, 1, 2);
                }
            }
        } else {
            // Possible lengths: 6, 7, 8, 9
            if (arrayLength < 8) {
                // Possible lengths: 6, 7
                if (arrayLength == 7) {
                    // Length: 7
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 5, 6);
                    swapIfFirstIsLarger(array, 0, 2);
                    swapIfFirstIsLarger(array, 4, 6);
                    swapIfFirstIsLarger(array, 3, 5);
                    swapIfFirstIsLarger(array, 2, 6);
                    swapIfFirstIsLarger(array, 1, 5);
                    swapIfFirstIsLarger(array, 0, 4);
                    swapIfFirstIsLarger(array, 2, 5);
                    swapIfFirstIsLarger(array, 0, 3);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                } else {
                    // Length: 6
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 3, 5);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 0, 2);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 2, 3);
                }
            } else {
                // Possible lengths: 8, 9
                if (arrayLength == 9) {
                    // Length: 9
                    swapIfFirstIsLarger(array, 1, 8);
                    swapIfFirstIsLarger(array, 2, 7);
                    swapIfFirstIsLarger(array, 3, 6);
                    swapIfFirstIsLarger(array, 4, 5);
                    swapIfFirstIsLarger(array, 1, 4);
                    swapIfFirstIsLarger(array, 5, 8);
                    swapIfFirstIsLarger(array, 0, 2);
                    swapIfFirstIsLarger(array, 6, 7);
                    swapIfFirstIsLarger(array, 2, 6);
                    swapIfFirstIsLarger(array, 7, 8);
                    swapIfFirstIsLarger(array, 0, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 3, 5);
                    swapIfFirstIsLarger(array, 6, 7);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 1, 3);
                    swapIfFirstIsLarger(array, 5, 7);
                    swapIfFirstIsLarger(array, 4, 6);
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 5, 6);
                    swapIfFirstIsLarger(array, 7, 8);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                } else {
                    // Length: 8
                    swapIfFirstIsLarger(array, 0, 7);
                    swapIfFirstIsLarger(array, 1, 6);
                    swapIfFirstIsLarger(array, 2, 5);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 0, 3);
                    swapIfFirstIsLarger(array, 4, 7);
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 5, 6);
                    swapIfFirstIsLarger(array, 0, 1);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                    swapIfFirstIsLarger(array, 6, 7);
                    swapIfFirstIsLarger(array, 3, 5);
                    swapIfFirstIsLarger(array, 2, 4);
                    swapIfFirstIsLarger(array, 1, 2);
                    swapIfFirstIsLarger(array, 3, 4);
                    swapIfFirstIsLarger(array, 5, 6);
                    swapIfFirstIsLarger(array, 2, 3);
                    swapIfFirstIsLarger(array, 4, 5);
                    swapIfFirstIsLarger(array, 3, 4);
                }
            }
        }
    }

    /// @notice Swaps two elements of an array if the first element is greater
    /// than the second
    /// @param array Array whose elements are to be swapped
    /// @param ind1 Index of the first element
    /// @param ind2 Index of the second element
    function swapIfFirstIsLarger(
        int256[] memory array,
        uint256 ind1,
        uint256 ind2
    ) private pure {
        if (array[ind1] > array[ind2]) {
            (array[ind1], array[ind2]) = (array[ind2], array[ind1]);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "../utils/ExtendedSelfMulticall.sol";
import "./aggregation/Median.sol";
import "./interfaces/IDataFeedServer.sol";
import "../vendor/@openzeppelin/[email protected]/utils/cryptography/ECDSA.sol";

/// @title Contract that serves Beacons and Beacon sets
/// @notice A Beacon is a live data feed addressed by an ID, which is derived
/// from an Airnode address and a template ID. This is suitable where the more
/// recent data point is always more favorable, e.g., in the context of an
/// asset price data feed. Beacons can also be seen as one-Airnode data feeds
/// that can be used individually or combined to build Beacon sets.
contract DataFeedServer is ExtendedSelfMulticall, Median, IDataFeedServer {
    using ECDSA for bytes32;

    // Airnodes serve their fulfillment data along with timestamps. This
    // contract casts the reported data to `int224` and the timestamp to
    // `uint32`, which works until year 2106.
    struct DataFeed {
        int224 value;
        uint32 timestamp;
    }

    /// @notice Data feed with ID
    mapping(bytes32 => DataFeed) internal _dataFeeds;

    /// @dev Reverts if the timestamp is from more than 1 hour in the future
    modifier onlyValidTimestamp(uint256 timestamp) virtual {
        unchecked {
            require(
                timestamp < block.timestamp + 1 hours,
                "Timestamp not valid"
            );
        }
        _;
    }

    /// @notice Updates the Beacon set using the current values of its Beacons
    /// @dev As an oddity, this function still works if some of the IDs in
    /// `beaconIds` belong to Beacon sets rather than Beacons. This can be used
    /// to implement hierarchical Beacon sets.
    /// @param beaconIds Beacon IDs
    /// @return beaconSetId Beacon set ID
    function updateBeaconSetWithBeacons(
        bytes32[] memory beaconIds
    ) public override returns (bytes32 beaconSetId) {
        (int224 updatedValue, uint32 updatedTimestamp) = aggregateBeacons(
            beaconIds
        );
        beaconSetId = deriveBeaconSetId(beaconIds);
        DataFeed storage beaconSet = _dataFeeds[beaconSetId];
        if (beaconSet.timestamp == updatedTimestamp) {
            require(
                beaconSet.value != updatedValue,
                "Does not update Beacon set"
            );
        }
        _dataFeeds[beaconSetId] = DataFeed({
            value: updatedValue,
            timestamp: updatedTimestamp
        });
        emit UpdatedBeaconSetWithBeacons(
            beaconSetId,
            updatedValue,
            updatedTimestamp
        );
    }

    /// @notice Reads the data feed with ID
    /// @param dataFeedId Data feed ID
    /// @return value Data feed value
    /// @return timestamp Data feed timestamp
    function _readDataFeedWithId(
        bytes32 dataFeedId
    ) internal view returns (int224 value, uint32 timestamp) {
        DataFeed storage dataFeed = _dataFeeds[dataFeedId];
        (value, timestamp) = (dataFeed.value, dataFeed.timestamp);
        require(timestamp > 0, "Data feed not initialized");
    }

    /// @notice Derives the Beacon ID from the Airnode address and template ID
    /// @param airnode Airnode address
    /// @param templateId Template ID
    /// @return beaconId Beacon ID
    function deriveBeaconId(
        address airnode,
        bytes32 templateId
    ) internal pure returns (bytes32 beaconId) {
        beaconId = keccak256(abi.encodePacked(airnode, templateId));
    }

    /// @notice Derives the Beacon set ID from the Beacon IDs
    /// @dev Notice that `abi.encode()` is used over `abi.encodePacked()`
    /// @param beaconIds Beacon IDs
    /// @return beaconSetId Beacon set ID
    function deriveBeaconSetId(
        bytes32[] memory beaconIds
    ) internal pure returns (bytes32 beaconSetId) {
        beaconSetId = keccak256(abi.encode(beaconIds));
    }

    /// @notice Called privately to process the Beacon update
    /// @param beaconId Beacon ID
    /// @param timestamp Timestamp used in the signature
    /// @param data Fulfillment data (an `int256` encoded in contract ABI)
    /// @return updatedBeaconValue Updated Beacon value
    function processBeaconUpdate(
        bytes32 beaconId,
        uint256 timestamp,
        bytes calldata data
    )
        internal
        onlyValidTimestamp(timestamp)
        returns (int224 updatedBeaconValue)
    {
        updatedBeaconValue = decodeFulfillmentData(data);
        require(
            timestamp > _dataFeeds[beaconId].timestamp,
            "Does not update timestamp"
        );
        _dataFeeds[beaconId] = DataFeed({
            value: updatedBeaconValue,
            timestamp: uint32(timestamp)
        });
    }

    /// @notice Called privately to decode the fulfillment data
    /// @param data Fulfillment data (an `int256` encoded in contract ABI)
    /// @return decodedData Decoded fulfillment data
    function decodeFulfillmentData(
        bytes memory data
    ) internal pure returns (int224) {
        require(data.length == 32, "Data length not correct");
        int256 decodedData = abi.decode(data, (int256));
        require(
            decodedData >= type(int224).min && decodedData <= type(int224).max,
            "Value typecasting error"
        );
        return int224(decodedData);
    }

    /// @notice Called privately to aggregate the Beacons and return the result
    /// @param beaconIds Beacon IDs
    /// @return value Aggregation value
    /// @return timestamp Aggregation timestamp
    function aggregateBeacons(
        bytes32[] memory beaconIds
    ) internal view returns (int224 value, uint32 timestamp) {
        uint256 beaconCount = beaconIds.length;
        require(beaconCount > 1, "Specified less than two Beacons");
        int256[] memory values = new int256[](beaconCount);
        int256[] memory timestamps = new int256[](beaconCount);
        for (uint256 ind = 0; ind < beaconCount; ) {
            DataFeed storage dataFeed = _dataFeeds[beaconIds[ind]];
            values[ind] = dataFeed.value;
            timestamps[ind] = int256(uint256(dataFeed.timestamp));
            unchecked {
                ind++;
            }
        }
        value = int224(median(values));
        timestamp = uint32(uint256(median(timestamps)));
    }
}

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

import "./IOevDapiServer.sol";
import "./IBeaconUpdatesWithSignedData.sol";

interface IApi3ServerV1 is IOevDapiServer, IBeaconUpdatesWithSignedData {
    function readDataFeedWithId(
        bytes32 dataFeedId
    ) external view returns (int224 value, uint32 timestamp);

    function readDataFeedWithDapiNameHash(
        bytes32 dapiNameHash
    ) external view returns (int224 value, uint32 timestamp);

    function readDataFeedWithIdAsOevProxy(
        bytes32 dataFeedId
    ) external view returns (int224 value, uint32 timestamp);

    function readDataFeedWithDapiNameHashAsOevProxy(
        bytes32 dapiNameHash
    ) external view returns (int224 value, uint32 timestamp);

    function dataFeeds(
        bytes32 dataFeedId
    ) external view returns (int224 value, uint32 timestamp);

    function oevProxyToIdToDataFeed(
        address proxy,
        bytes32 dataFeedId
    ) external view returns (int224 value, uint32 timestamp);
}

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

import "../../access/interfaces/IAccessControlRegistryAdminnedWithManager.sol";
import "../interfaces/IDataFeedServer.sol";

interface IApi3ServerV1OevExtension is
    IAccessControlRegistryAdminnedWithManager,
    IDataFeedServer
{
    event Withdrew(address recipient, uint256 amount, address sender);

    event PaidOevBid(
        uint256 indexed dappId,
        address indexed updater,
        uint256 bidAmount,
        uint256 signedDataTimestampCutoff,
        address auctioneer
    );

    event UpdatedDappOevDataFeed(
        uint256 indexed dappId,
        address indexed updater,
        bytes32 dataFeedId,
        int224 updatedValue,
        uint32 updatedTimestamp
    );

    function withdraw(address recipient, uint256 amount) external;

    function payOevBid(
        uint256 dappId,
        uint256 bidAmount,
        uint32 signedDataTimestampCutoff,
        bytes calldata signature,
        bytes calldata data
    ) external;

    function updateDappOevDataFeed(
        uint256 dappId,
        bytes[] calldata signedData
    )
        external
        returns (
            bytes32 baseDataFeedId,
            int224 updatedValue,
            uint32 updatedTimestamp
        );

    function simulateDappOevDataFeedUpdate(
        uint256 dappId,
        bytes[] calldata signedData
    )
        external
        returns (
            bytes32 baseDataFeedId,
            int224 updatedValue,
            uint32 updatedTimestamp
        );

    function simulateExternalCall(
        address target,
        bytes calldata data
    ) external returns (bytes memory);

    function oevDataFeed(
        uint256 dappId,
        bytes32 dataFeedId
    ) external view returns (int224 value, uint32 timestamp);

    // solhint-disable-next-line func-name-mixedcase
    function WITHDRAWER_ROLE_DESCRIPTION()
        external
        view
        returns (string memory);

    // solhint-disable-next-line func-name-mixedcase
    function AUCTIONEER_ROLE_DESCRIPTION()
        external
        view
        returns (string memory);

    function withdrawerRole() external view returns (bytes32);

    function auctioneerRole() external view returns (bytes32);

    function api3ServerV1() external view returns (address);

    function dappIdToLastPaidBid(
        uint256 dappId
    ) external view returns (address updater, uint32 endTimestamp);
}

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

/// @title Interface that OEV bid payers (i.e., contracts that call
/// `payOevBid()` of Api3ServerV1OevExtension) must implement
interface IApi3ServerV1OevExtensionOevBidPayer {
    /// @notice Called back by Api3ServerV1OevExtension after an OEV bid payer
    /// has called `payOevBid()` of Api3ServerV1OevExtension. During the
    /// callback, the OEV bid payer will be allowed to update the OEV feeds
    /// of the respective dApp. Before returning, the OEV bid payer must ensure
    /// that at least the bid amount has been sent to Api3ServerV1OevExtension.
    /// The returndata must start with the keccak256 hash of
    /// "Api3ServerV1OevExtensionOevBidPayer.onOevBidPayment".
    /// @param bidAmount Bid amount
    /// @param data Data that is passed through the callback
    /// @return oevBidPaymentCallbackSuccess OEV bid payment callback success
    /// code
    function onOevBidPayment(
        uint256 bidAmount,
        bytes calldata data
    ) external returns (bytes32 oevBidPaymentCallbackSuccess);
}

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

import "./IDataFeedServer.sol";

interface IBeaconUpdatesWithSignedData is IDataFeedServer {
    function updateBeaconWithSignedData(
        address airnode,
        bytes32 templateId,
        uint256 timestamp,
        bytes calldata data,
        bytes calldata signature
    ) external returns (bytes32 beaconId);
}

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

import "../../access/interfaces/IAccessControlRegistryAdminnedWithManager.sol";
import "./IDataFeedServer.sol";

interface IDapiServer is
    IAccessControlRegistryAdminnedWithManager,
    IDataFeedServer
{
    event SetDapiName(
        bytes32 indexed dataFeedId,
        bytes32 indexed dapiName,
        address sender
    );

    function setDapiName(bytes32 dapiName, bytes32 dataFeedId) external;

    function dapiNameToDataFeedId(
        bytes32 dapiName
    ) external view returns (bytes32);

    // solhint-disable-next-line func-name-mixedcase
    function DAPI_NAME_SETTER_ROLE_DESCRIPTION()
        external
        view
        returns (string memory);

    function dapiNameSetterRole() external view returns (bytes32);

    function dapiNameHashToDataFeedId(
        bytes32 dapiNameHash
    ) external view returns (bytes32 dataFeedId);
}

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

import "../../utils/interfaces/IExtendedSelfMulticall.sol";

interface IDataFeedServer is IExtendedSelfMulticall {
    event UpdatedBeaconWithSignedData(
        bytes32 indexed beaconId,
        int224 value,
        uint32 timestamp
    );

    event UpdatedBeaconSetWithBeacons(
        bytes32 indexed beaconSetId,
        int224 value,
        uint32 timestamp
    );

    function updateBeaconSetWithBeacons(
        bytes32[] memory beaconIds
    ) external returns (bytes32 beaconSetId);
}

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

import "./IOevDataFeedServer.sol";
import "./IDapiServer.sol";

interface IOevDapiServer is IOevDataFeedServer, IDapiServer {}

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

import "./IDataFeedServer.sol";

interface IOevDataFeedServer is IDataFeedServer {
    event UpdatedOevProxyBeaconWithSignedData(
        bytes32 indexed beaconId,
        address indexed proxy,
        bytes32 indexed updateId,
        int224 value,
        uint32 timestamp
    );

    event UpdatedOevProxyBeaconSetWithSignedData(
        bytes32 indexed beaconSetId,
        address indexed proxy,
        bytes32 indexed updateId,
        int224 value,
        uint32 timestamp
    );

    event Withdrew(
        address indexed oevProxy,
        address oevBeneficiary,
        uint256 amount
    );

    function updateOevProxyDataFeedWithSignedData(
        address oevProxy,
        bytes32 dataFeedId,
        bytes32 updateId,
        uint256 timestamp,
        bytes calldata data,
        bytes[] calldata packedOevUpdateSignatures
    ) external payable;

    function withdraw(address oevProxy) external;

    function oevProxyToBalance(
        address oevProxy
    ) external view returns (uint256 balance);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import "./SelfMulticall.sol";
import "./interfaces/IExtendedSelfMulticall.sol";

/// @title Contract that extends SelfMulticall to fetch some of the global
/// variables
/// @notice Available global variables are limited to the ones that Airnode
/// tends to need
contract ExtendedSelfMulticall is SelfMulticall, IExtendedSelfMulticall {
    /// @notice Returns the chain ID
    /// @return Chain ID
    function getChainId() external view override returns (uint256) {
        return block.chainid;
    }

    /// @notice Returns the account balance
    /// @param account Account address
    /// @return Account balance
    function getBalance(
        address account
    ) external view override returns (uint256) {
        return account.balance;
    }

    /// @notice Returns if the account contains bytecode
    /// @dev An account not containing any bytecode does not indicate that it
    /// is an EOA or it will not contain any bytecode in the future.
    /// Contract construction and `SELFDESTRUCT` updates the bytecode at the
    /// end of the transaction.
    /// @return If the account contains bytecode
    function containsBytecode(
        address account
    ) external view override returns (bool) {
        return account.code.length > 0;
    }

    /// @notice Returns the current block number
    /// @return Current block number
    function getBlockNumber() external view override returns (uint256) {
        return block.number;
    }

    /// @notice Returns the current block timestamp
    /// @return Current block timestamp
    function getBlockTimestamp() external view override returns (uint256) {
        return block.timestamp;
    }

    /// @notice Returns the current block basefee
    /// @return Current block basefee
    function getBlockBasefee() external view override returns (uint256) {
        return block.basefee;
    }
}

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

import "./ISelfMulticall.sol";

interface IExtendedSelfMulticall is ISelfMulticall {
    function getChainId() external view returns (uint256);

    function getBalance(address account) external view returns (uint256);

    function containsBytecode(address account) external view returns (bool);

    function getBlockNumber() external view returns (uint256);

    function getBlockTimestamp() external view returns (uint256);

    function getBlockBasefee() external view returns (uint256);
}

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

interface ISelfMulticall {
    function multicall(
        bytes[] calldata data
    ) external returns (bytes[] memory returndata);

    function tryMulticall(
        bytes[] calldata data
    ) external returns (bool[] memory successes, bytes[] memory returndata);
}

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

import "./interfaces/ISelfMulticall.sol";

/// @title Contract that enables calls to the inheriting contract to be batched
/// @notice Implements two ways of batching, one requires none of the calls to
/// revert and the other tolerates individual calls reverting
/// @dev This implementation uses delegatecall for individual function calls.
/// Since delegatecall is a message call, it can only be made to functions that
/// are externally visible. This means that a contract cannot multicall its own
/// functions that use internal/private visibility modifiers.
/// Refer to OpenZeppelin's Multicall.sol for a similar implementation.
contract SelfMulticall is ISelfMulticall {
    /// @notice Batches calls to the inheriting contract and reverts as soon as
    /// one of the batched calls reverts
    /// @param data Array of calldata of batched calls
    /// @return returndata Array of returndata of batched calls
    function multicall(
        bytes[] calldata data
    ) external override returns (bytes[] memory returndata) {
        uint256 callCount = data.length;
        returndata = new bytes[](callCount);
        for (uint256 ind = 0; ind < callCount; ) {
            bool success;
            // solhint-disable-next-line avoid-low-level-calls
            (success, returndata[ind]) = address(this).delegatecall(data[ind]);
            if (!success) {
                bytes memory returndataWithRevertData = returndata[ind];
                if (returndataWithRevertData.length > 0) {
                    // Adapted from OpenZeppelin's Address.sol
                    // solhint-disable-next-line no-inline-assembly
                    assembly {
                        let returndata_size := mload(returndataWithRevertData)
                        revert(
                            add(32, returndataWithRevertData),
                            returndata_size
                        )
                    }
                } else {
                    revert("Multicall: No revert string");
                }
            }
            unchecked {
                ind++;
            }
        }
    }

    /// @notice Batches calls to the inheriting contract but does not revert if
    /// any of the batched calls reverts
    /// @param data Array of calldata of batched calls
    /// @return successes Array of success conditions of batched calls
    /// @return returndata Array of returndata of batched calls
    function tryMulticall(
        bytes[] calldata data
    )
        external
        override
        returns (bool[] memory successes, bytes[] memory returndata)
    {
        uint256 callCount = data.length;
        successes = new bool[](callCount);
        returndata = new bytes[](callCount);
        for (uint256 ind = 0; ind < callCount; ) {
            // solhint-disable-next-line avoid-low-level-calls
            (successes[ind], returndata[ind]) = address(this).delegatecall(
                data[ind]
            );
            unchecked {
                ind++;
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

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

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

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

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"accessControlRegistry_","type":"address"},{"internalType":"string","name":"adminRoleDescription_","type":"string"},{"internalType":"address","name":"manager_","type":"address"},{"internalType":"address","name":"api3ServerV1_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"dappId","type":"uint256"},{"indexed":true,"internalType":"address","name":"updater","type":"address"},{"indexed":false,"internalType":"uint256","name":"bidAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"signedDataTimestampCutoff","type":"uint256"},{"indexed":false,"internalType":"address","name":"auctioneer","type":"address"}],"name":"PaidOevBid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"beaconSetId","type":"bytes32"},{"indexed":false,"internalType":"int224","name":"value","type":"int224"},{"indexed":false,"internalType":"uint32","name":"timestamp","type":"uint32"}],"name":"UpdatedBeaconSetWithBeacons","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"beaconId","type":"bytes32"},{"indexed":false,"internalType":"int224","name":"value","type":"int224"},{"indexed":false,"internalType":"uint32","name":"timestamp","type":"uint32"}],"name":"UpdatedBeaconWithSignedData","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"dappId","type":"uint256"},{"indexed":true,"internalType":"address","name":"updater","type":"address"},{"indexed":false,"internalType":"bytes32","name":"dataFeedId","type":"bytes32"},{"indexed":false,"internalType":"int224","name":"updatedValue","type":"int224"},{"indexed":false,"internalType":"uint32","name":"updatedTimestamp","type":"uint32"}],"name":"UpdatedDappOevDataFeed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"sender","type":"address"}],"name":"Withdrew","type":"event"},{"inputs":[],"name":"AUCTIONEER_ROLE_DESCRIPTION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WITHDRAWER_ROLE_DESCRIPTION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"accessControlRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"adminRole","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"adminRoleDescription","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"api3ServerV1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"auctioneerRole","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"containsBytecode","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"dappIdToLastPaidBid","outputs":[{"internalType":"address","name":"updater","type":"address"},{"internalType":"uint32","name":"signedDataTimestampCutoff","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBlockBasefee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBlockNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBlockTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"returndata","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"dappId","type":"uint256"},{"internalType":"bytes32","name":"dataFeedId","type":"bytes32"}],"name":"oevDataFeed","outputs":[{"internalType":"int224","name":"value","type":"int224"},{"internalType":"uint32","name":"timestamp","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"dappId","type":"uint256"},{"internalType":"uint256","name":"bidAmount","type":"uint256"},{"internalType":"uint32","name":"signedDataTimestampCutoff","type":"uint32"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"payOevBid","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"dappId","type":"uint256"},{"internalType":"bytes[]","name":"signedData","type":"bytes[]"}],"name":"simulateDappOevDataFeedUpdate","outputs":[{"internalType":"bytes32","name":"baseDataFeedId","type":"bytes32"},{"internalType":"int224","name":"updatedValue","type":"int224"},{"internalType":"uint32","name":"updatedTimestamp","type":"uint32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"simulateExternalCall","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"tryMulticall","outputs":[{"internalType":"bool[]","name":"successes","type":"bool[]"},{"internalType":"bytes[]","name":"returndata","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"beaconIds","type":"bytes32[]"}],"name":"updateBeaconSetWithBeacons","outputs":[{"internalType":"bytes32","name":"beaconSetId","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"dappId","type":"uint256"},{"internalType":"bytes[]","name":"signedData","type":"bytes[]"}],"name":"updateDappOevDataFeed","outputs":[{"internalType":"bytes32","name":"baseDataFeedId","type":"bytes32"},{"internalType":"int224","name":"updatedValue","type":"int224"},{"internalType":"uint32","name":"updatedTimestamp","type":"uint32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawerRole","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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