Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { SafeCast } from "@openzeppelin/contracts/utils/math/SafeCast.sol";
import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";

import { IUltraLightNode301 } from "./interfaces/IUltraLightNode301.sol";
import { ReceiveLibBaseE1 } from "./ReceiveLibBaseE1.sol";
import { ReceiveUlnBase } from "../ReceiveUlnBase.sol";
import { UlnConfig } from "../UlnBase.sol";

/// @dev ULN301 will be deployed on EndpointV1 and is for backward compatibility with ULN302 on EndpointV2. 301 can talk to both 301 and 302
/// @dev This is a gluing contract. It simply parses the requests and forward to the super.impl() accordingly.
/// @dev In this case, it combines the logic of ReceiveUlnBase and ReceiveLibBaseE1
contract ReceiveUln301 is IUltraLightNode301, ReceiveUlnBase, ReceiveLibBaseE1 {
    using PacketV1Codec for bytes;
    using SafeCast for uint32; // for chain ID uint32 to uint16 conversion

    uint256 internal constant CONFIG_TYPE_EXECUTOR = 1;
    uint256 internal constant CONFIG_TYPE_ULN = 2;

    error LZ_ULN_InvalidConfigType(uint256 configType);

    constructor(address _endpoint, uint32 _localEid) ReceiveLibBaseE1(_endpoint, _localEid) {}

    // ============================ OnlyEndpoint ===================================

    function setConfig(
        uint16 _eid,
        address _oapp,
        uint256 _configType,
        bytes calldata _config
    ) external override onlyEndpoint {
        _assertSupportedEid(_eid);
        if (_configType == CONFIG_TYPE_EXECUTOR) {
            _setExecutor(_eid, _oapp, abi.decode(_config, (address)));
        } else if (_configType == CONFIG_TYPE_ULN) {
            _setUlnConfig(_eid, _oapp, abi.decode(_config, (UlnConfig)));
        } else {
            revert LZ_ULN_InvalidConfigType(_configType);
        }
    }

    // ============================ External ===================================

    /// @dev in 301, this is equivalent to execution as in Endpoint V2
    /// @dev dont need to check endpoint verifiable here to save gas, as it will reverts if not verifiable.
    function commitVerification(bytes calldata _packet, uint256 _gasLimit) external {
        bytes calldata header = _packet.header();
        _assertHeader(header, localEid);

        // cache these values to save gas
        address receiver = _packet.receiverB20();
        uint16 srcEid = _packet.srcEid().toUint16();

        UlnConfig memory config = getUlnConfig(receiver, srcEid);
        _verifyAndReclaimStorage(config, keccak256(header), _packet.payloadHash());

        // endpoint will revert if nonce != ++inboundNonce
        _execute(srcEid, _packet.sender(), receiver, _packet.nonce(), _packet.message(), _gasLimit);
    }

    function verify(bytes calldata _packetHeader, bytes32 _payloadHash, uint64 _confirmations) external {
        _verify(_packetHeader, _payloadHash, _confirmations);
    }

    // ============================ View ===================================

    function getConfig(uint16 _eid, address _oapp, uint256 _configType) external view override returns (bytes memory) {
        if (_configType == CONFIG_TYPE_EXECUTOR) {
            return abi.encode(getExecutor(_oapp, _eid));
        } else if (_configType == CONFIG_TYPE_ULN) {
            return abi.encode(getUlnConfig(_oapp, _eid));
        } else {
            revert LZ_ULN_InvalidConfigType(_configType);
        }
    }

    function version() external pure returns (uint64 major, uint8 minor, uint8 endpointVersion) {
        return (3, 0, 1);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import { IMessageLibManager } from "./IMessageLibManager.sol";
import { IMessagingComposer } from "./IMessagingComposer.sol";
import { IMessagingChannel } from "./IMessagingChannel.sol";
import { IMessagingContext } from "./IMessagingContext.sol";

struct MessagingParams {
    uint32 dstEid;
    bytes32 receiver;
    bytes message;
    bytes options;
    bool payInLzToken;
}

struct MessagingReceipt {
    bytes32 guid;
    uint64 nonce;
    MessagingFee fee;
}

struct MessagingFee {
    uint256 nativeFee;
    uint256 lzTokenFee;
}

struct Origin {
    uint32 srcEid;
    bytes32 sender;
    uint64 nonce;
}

interface ILayerZeroEndpointV2 is IMessageLibManager, IMessagingComposer, IMessagingChannel, IMessagingContext {
    event PacketSent(bytes encodedPayload, bytes options, address sendLibrary);

    event PacketVerified(Origin origin, address receiver, bytes32 payloadHash);

    event PacketDelivered(Origin origin, address receiver);

    event LzReceiveAlert(
        address indexed receiver,
        address indexed executor,
        Origin origin,
        bytes32 guid,
        uint256 gas,
        uint256 value,
        bytes message,
        bytes extraData,
        bytes reason
    );

    event LzTokenSet(address token);

    event DelegateSet(address sender, address delegate);

    function quote(MessagingParams calldata _params, address _sender) external view returns (MessagingFee memory);

    function send(
        MessagingParams calldata _params,
        address _refundAddress
    ) external payable returns (MessagingReceipt memory);

    function verify(Origin calldata _origin, address _receiver, bytes32 _payloadHash) external;

    function verifiable(Origin calldata _origin, address _receiver) external view returns (bool);

    function initializable(Origin calldata _origin, address _receiver) external view returns (bool);

    function lzReceive(
        Origin calldata _origin,
        address _receiver,
        bytes32 _guid,
        bytes calldata _message,
        bytes calldata _extraData
    ) external payable;

    // oapp can burn messages partially by calling this function with its own business logic if messages are verified in order
    function clear(address _oapp, Origin calldata _origin, bytes32 _guid, bytes calldata _message) external;

    function setLzToken(address _lzToken) external;

    function lzToken() external view returns (address);

    function nativeToken() external view returns (address);

    function setDelegate(address _delegate) external;
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

import { SetConfigParam } from "./IMessageLibManager.sol";

enum MessageLibType {
    Send,
    Receive,
    SendAndReceive
}

interface IMessageLib is IERC165 {
    function setConfig(address _oapp, SetConfigParam[] calldata _config) external;

    function getConfig(uint32 _eid, address _oapp, uint32 _configType) external view returns (bytes memory config);

    function isSupportedEid(uint32 _eid) external view returns (bool);

    // message libs of same major version are compatible
    function version() external view returns (uint64 major, uint8 minor, uint8 endpointVersion);

    function messageLibType() external view returns (MessageLibType);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

struct SetConfigParam {
    uint32 eid;
    uint32 configType;
    bytes config;
}

interface IMessageLibManager {
    struct Timeout {
        address lib;
        uint256 expiry;
    }

    event LibraryRegistered(address newLib);
    event DefaultSendLibrarySet(uint32 eid, address newLib);
    event DefaultReceiveLibrarySet(uint32 eid, address newLib);
    event DefaultReceiveLibraryTimeoutSet(uint32 eid, address oldLib, uint256 expiry);
    event SendLibrarySet(address sender, uint32 eid, address newLib);
    event ReceiveLibrarySet(address receiver, uint32 eid, address newLib);
    event ReceiveLibraryTimeoutSet(address receiver, uint32 eid, address oldLib, uint256 timeout);

    function registerLibrary(address _lib) external;

    function isRegisteredLibrary(address _lib) external view returns (bool);

    function getRegisteredLibraries() external view returns (address[] memory);

    function setDefaultSendLibrary(uint32 _eid, address _newLib) external;

    function defaultSendLibrary(uint32 _eid) external view returns (address);

    function setDefaultReceiveLibrary(uint32 _eid, address _newLib, uint256 _timeout) external;

    function defaultReceiveLibrary(uint32 _eid) external view returns (address);

    function setDefaultReceiveLibraryTimeout(uint32 _eid, address _lib, uint256 _expiry) external;

    function defaultReceiveLibraryTimeout(uint32 _eid) external view returns (address lib, uint256 expiry);

    function isSupportedEid(uint32 _eid) external view returns (bool);

    function isValidReceiveLibrary(address _receiver, uint32 _eid, address _lib) external view returns (bool);

    /// ------------------- OApp interfaces -------------------
    function setSendLibrary(address _oapp, uint32 _eid, address _newLib) external;

    function getSendLibrary(address _sender, uint32 _eid) external view returns (address lib);

    function isDefaultSendLibrary(address _sender, uint32 _eid) external view returns (bool);

    function setReceiveLibrary(address _oapp, uint32 _eid, address _newLib, uint256 _gracePeriod) external;

    function getReceiveLibrary(address _receiver, uint32 _eid) external view returns (address lib, bool isDefault);

    function setReceiveLibraryTimeout(address _oapp, uint32 _eid, address _lib, uint256 _gracePeriod) external;

    function receiveLibraryTimeout(address _receiver, uint32 _eid) external view returns (address lib, uint256 expiry);

    function setConfig(address _oapp, address _lib, SetConfigParam[] calldata _params) external;

    function getConfig(
        address _oapp,
        address _lib,
        uint32 _eid,
        uint32 _configType
    ) external view returns (bytes memory config);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface IMessagingChannel {
    event InboundNonceSkipped(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce);
    event PacketNilified(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
    event PacketBurnt(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);

    function eid() external view returns (uint32);

    // this is an emergency function if a message cannot be verified for some reasons
    // required to provide _nextNonce to avoid race condition
    function skip(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce) external;

    function nilify(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;

    function burn(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;

    function nextGuid(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (bytes32);

    function inboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);

    function outboundNonce(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (uint64);

    function inboundPayloadHash(
        address _receiver,
        uint32 _srcEid,
        bytes32 _sender,
        uint64 _nonce
    ) external view returns (bytes32);

    function lazyInboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface IMessagingComposer {
    event ComposeSent(address from, address to, bytes32 guid, uint16 index, bytes message);
    event ComposeDelivered(address from, address to, bytes32 guid, uint16 index);
    event LzComposeAlert(
        address indexed from,
        address indexed to,
        address indexed executor,
        bytes32 guid,
        uint16 index,
        uint256 gas,
        uint256 value,
        bytes message,
        bytes extraData,
        bytes reason
    );

    function composeQueue(
        address _from,
        address _to,
        bytes32 _guid,
        uint16 _index
    ) external view returns (bytes32 messageHash);

    function sendCompose(address _to, bytes32 _guid, uint16 _index, bytes calldata _message) external;

    function lzCompose(
        address _from,
        address _to,
        bytes32 _guid,
        uint16 _index,
        bytes calldata _message,
        bytes calldata _extraData
    ) external payable;
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface IMessagingContext {
    function isSendingMessage() external view returns (bool);

    function getSendContext() external view returns (uint32 dstEid, address sender);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

import { MessagingFee } from "./ILayerZeroEndpointV2.sol";
import { IMessageLib } from "./IMessageLib.sol";

struct Packet {
    uint64 nonce;
    uint32 srcEid;
    address sender;
    uint32 dstEid;
    bytes32 receiver;
    bytes32 guid;
    bytes message;
}

interface ISendLib is IMessageLib {
    function send(
        Packet calldata _packet,
        bytes calldata _options,
        bool _payInLzToken
    ) external returns (MessagingFee memory, bytes memory encodedPacket);

    function quote(
        Packet calldata _packet,
        bytes calldata _options,
        bool _payInLzToken
    ) external view returns (MessagingFee memory);

    function setTreasury(address _treasury) external;

    function withdrawFee(address _to, uint256 _amount) external;

    function withdrawLzTokenFee(address _lzToken, address _to, uint256 _amount) external;
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

library AddressCast {
    error AddressCast_InvalidSizeForAddress();
    error AddressCast_InvalidAddress();

    function toBytes32(bytes calldata _addressBytes) internal pure returns (bytes32 result) {
        if (_addressBytes.length > 32) revert AddressCast_InvalidAddress();
        result = bytes32(_addressBytes);
        unchecked {
            uint256 offset = 32 - _addressBytes.length;
            result = result >> (offset * 8);
        }
    }

    function toBytes32(address _address) internal pure returns (bytes32 result) {
        result = bytes32(uint256(uint160(_address)));
    }

    function toBytes(bytes32 _addressBytes32, uint256 _size) internal pure returns (bytes memory result) {
        if (_size == 0 || _size > 32) revert AddressCast_InvalidSizeForAddress();
        result = new bytes(_size);
        unchecked {
            uint256 offset = 256 - _size * 8;
            assembly {
                mstore(add(result, 32), shl(offset, _addressBytes32))
            }
        }
    }

    function toAddress(bytes32 _addressBytes32) internal pure returns (address result) {
        result = address(uint160(uint256(_addressBytes32)));
    }

    function toAddress(bytes calldata _addressBytes) internal pure returns (address result) {
        if (_addressBytes.length != 20) revert AddressCast_InvalidAddress();
        result = address(bytes20(_addressBytes));
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { Packet } from "../../interfaces/ISendLib.sol";
import { AddressCast } from "../../libs/AddressCast.sol";

library PacketV1Codec {
    using AddressCast for address;
    using AddressCast for bytes32;

    uint8 internal constant PACKET_VERSION = 1;

    // header (version + nonce + path)
    // version
    uint256 private constant PACKET_VERSION_OFFSET = 0;
    //    nonce
    uint256 private constant NONCE_OFFSET = 1;
    //    path
    uint256 private constant SRC_EID_OFFSET = 9;
    uint256 private constant SENDER_OFFSET = 13;
    uint256 private constant DST_EID_OFFSET = 45;
    uint256 private constant RECEIVER_OFFSET = 49;
    // payload (guid + message)
    uint256 private constant GUID_OFFSET = 81; // keccak256(nonce + path)
    uint256 private constant MESSAGE_OFFSET = 113;

    function encode(Packet memory _packet) internal pure returns (bytes memory encodedPacket) {
        encodedPacket = abi.encodePacked(
            PACKET_VERSION,
            _packet.nonce,
            _packet.srcEid,
            _packet.sender.toBytes32(),
            _packet.dstEid,
            _packet.receiver,
            _packet.guid,
            _packet.message
        );
    }

    function encodePacketHeader(Packet memory _packet) internal pure returns (bytes memory) {
        return
            abi.encodePacked(
                PACKET_VERSION,
                _packet.nonce,
                _packet.srcEid,
                _packet.sender.toBytes32(),
                _packet.dstEid,
                _packet.receiver
            );
    }

    function encodePayload(Packet memory _packet) internal pure returns (bytes memory) {
        return abi.encodePacked(_packet.guid, _packet.message);
    }

    function header(bytes calldata _packet) internal pure returns (bytes calldata) {
        return _packet[0:GUID_OFFSET];
    }

    function version(bytes calldata _packet) internal pure returns (uint8) {
        return uint8(bytes1(_packet[PACKET_VERSION_OFFSET:NONCE_OFFSET]));
    }

    function nonce(bytes calldata _packet) internal pure returns (uint64) {
        return uint64(bytes8(_packet[NONCE_OFFSET:SRC_EID_OFFSET]));
    }

    function srcEid(bytes calldata _packet) internal pure returns (uint32) {
        return uint32(bytes4(_packet[SRC_EID_OFFSET:SENDER_OFFSET]));
    }

    function sender(bytes calldata _packet) internal pure returns (bytes32) {
        return bytes32(_packet[SENDER_OFFSET:DST_EID_OFFSET]);
    }

    function senderAddressB20(bytes calldata _packet) internal pure returns (address) {
        return sender(_packet).toAddress();
    }

    function dstEid(bytes calldata _packet) internal pure returns (uint32) {
        return uint32(bytes4(_packet[DST_EID_OFFSET:RECEIVER_OFFSET]));
    }

    function receiver(bytes calldata _packet) internal pure returns (bytes32) {
        return bytes32(_packet[RECEIVER_OFFSET:GUID_OFFSET]);
    }

    function receiverB20(bytes calldata _packet) internal pure returns (address) {
        return receiver(_packet).toAddress();
    }

    function guid(bytes calldata _packet) internal pure returns (bytes32) {
        return bytes32(_packet[GUID_OFFSET:MESSAGE_OFFSET]);
    }

    function message(bytes calldata _packet) internal pure returns (bytes calldata) {
        return bytes(_packet[MESSAGE_OFFSET:]);
    }

    function payload(bytes calldata _packet) internal pure returns (bytes calldata) {
        return bytes(_packet[GUID_OFFSET:]);
    }

    function payloadHash(bytes calldata _packet) internal pure returns (bytes32) {
        return keccak256(payload(_packet));
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity >=0.5.0;

import "./ILayerZeroUserApplicationConfig.sol";

interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {
    // @notice send a LayerZero message to the specified address at a LayerZero endpoint.
    // @param _dstChainId - the destination chain identifier
    // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains
    // @param _payload - a custom bytes payload to send to the destination contract
    // @param _refundAddress - if the source transaction is cheaper than the amount of value passed, refund the additional amount to this address
    // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction
    // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the relayer on destination
    function send(
        uint16 _dstChainId,
        bytes calldata _destination,
        bytes calldata _payload,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams
    ) external payable;

    // @notice used by the messaging library to publish verified payload
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source contract (as bytes) at the source chain
    // @param _dstAddress - the address on destination chain
    // @param _nonce - the unbound message ordering nonce
    // @param _gasLimit - the gas limit for external contract execution
    // @param _payload - verified payload to send to the destination contract
    function receivePayload(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        address _dstAddress,
        uint64 _nonce,
        uint _gasLimit,
        bytes calldata _payload
    ) external;

    // @notice get the inboundNonce of a receiver from a source chain which could be EVM or non-EVM chain
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);

    // @notice get the outboundNonce from this source chain which, consequently, is always an EVM
    // @param _srcAddress - the source chain contract address
    function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);

    // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery
    // @param _dstChainId - the destination chain identifier
    // @param _userApplication - the user app address on this EVM chain
    // @param _payload - the custom message to send over LayerZero
    // @param _payInZRO - if false, user app pays the protocol fee in native token
    // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain
    function estimateFees(
        uint16 _dstChainId,
        address _userApplication,
        bytes calldata _payload,
        bool _payInZRO,
        bytes calldata _adapterParam
    ) external view returns (uint nativeFee, uint zroFee);

    // @notice get this Endpoint's immutable source identifier
    function getChainId() external view returns (uint16);

    // @notice the interface to retry failed message on this Endpoint destination
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    // @param _payload - the payload to be retried
    function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external;

    // @notice query if any STORED payload (message blocking) at the endpoint.
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);

    // @notice query if the _libraryAddress is valid for sending msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getSendLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the _libraryAddress is valid for receiving msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getReceiveLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the non-reentrancy guard for send() is on
    // @return true if the guard is on. false otherwise
    function isSendingPayload() external view returns (bool);

    // @notice query if the non-reentrancy guard for receive() is on
    // @return true if the guard is on. false otherwise
    function isReceivingPayload() external view returns (bool);

    // @notice get the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _userApplication - the contract address of the user application
    // @param _configType - type of configuration. every messaging library has its own convention.
    function getConfig(
        uint16 _version,
        uint16 _chainId,
        address _userApplication,
        uint _configType
    ) external view returns (bytes memory);

    // @notice get the send() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getSendVersion(address _userApplication) external view returns (uint16);

    // @notice get the lzReceive() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getReceiveVersion(address _userApplication) external view returns (uint16);
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity >=0.5.0;

interface ILayerZeroUserApplicationConfig {
    // @notice set the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _configType - type of configuration. every messaging library has its own convention.
    // @param _config - configuration in the bytes. can encode arbitrary content.
    function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external;

    // @notice set the send() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setSendVersion(uint16 _version) external;

    // @notice set the lzReceive() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setReceiveVersion(uint16 _version) external;

    // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload
    // @param _srcChainId - the chainId of the source chain
    // @param _srcAddress - the contract address of the source contract at the source chain
    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.2._
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v2.5._
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.2._
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v2.5._
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v2.5._
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v2.5._
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v2.5._
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     *
     * _Available since v3.0._
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.7._
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.7._
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     *
     * _Available since v3.0._
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
        return int256(value);
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

/// @dev simply a container of endpoint address and local eid
abstract contract MessageLibBase {
    address internal immutable endpoint;
    uint32 internal immutable localEid;

    error LZ_MessageLib_OnlyEndpoint();

    modifier onlyEndpoint() {
        if (endpoint != msg.sender) revert LZ_MessageLib_OnlyEndpoint();
        _;
    }

    constructor(address _endpoint, uint32 _localEid) {
        endpoint = _endpoint;
        localEid = _localEid;
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";

import { UlnBase, UlnConfig } from "./UlnBase.sol";

struct Verification {
    bool submitted;
    uint64 confirmations;
}

/// @dev includes the utility functions for checking ULN states and logics
abstract contract ReceiveUlnBase is UlnBase {
    using PacketV1Codec for bytes;

    mapping(bytes32 headerHash => mapping(bytes32 payloadHash => mapping(address dvn => Verification)))
        public hashLookup;

    event PayloadVerified(address dvn, bytes header, uint256 confirmations, bytes32 proofHash);

    error LZ_ULN_InvalidPacketHeader();
    error LZ_ULN_InvalidPacketVersion();
    error LZ_ULN_InvalidEid();
    error LZ_ULN_Verifying();

    // ============================ External ===================================
    function verifiable(
        UlnConfig memory _config,
        bytes32 _headerHash,
        bytes32 _payloadHash
    ) external view returns (bool) {
        return _checkVerifiable(_config, _headerHash, _payloadHash);
    }

    function assertHeader(bytes calldata _packetHeader, uint32 _localEid) external pure {
        _assertHeader(_packetHeader, _localEid);
    }

    // ============================ Internal ===================================
    /// @dev per DVN signing function
    function _verify(bytes calldata _packetHeader, bytes32 _payloadHash, uint64 _confirmations) internal {
        hashLookup[keccak256(_packetHeader)][_payloadHash][msg.sender] = Verification(true, _confirmations);
        emit PayloadVerified(msg.sender, _packetHeader, _confirmations, _payloadHash);
    }

    function _verified(
        address _dvn,
        bytes32 _headerHash,
        bytes32 _payloadHash,
        uint64 _requiredConfirmation
    ) internal view returns (bool verified) {
        Verification memory verification = hashLookup[_headerHash][_payloadHash][_dvn];
        // return true if the dvn has signed enough confirmations
        verified = verification.submitted && verification.confirmations >= _requiredConfirmation;
    }

    function _verifyAndReclaimStorage(UlnConfig memory _config, bytes32 _headerHash, bytes32 _payloadHash) internal {
        if (!_checkVerifiable(_config, _headerHash, _payloadHash)) {
            revert LZ_ULN_Verifying();
        }

        // iterate the required DVNs
        if (_config.requiredDVNCount > 0) {
            for (uint8 i = 0; i < _config.requiredDVNCount; ++i) {
                delete hashLookup[_headerHash][_payloadHash][_config.requiredDVNs[i]];
            }
        }

        // iterate the optional DVNs
        if (_config.optionalDVNCount > 0) {
            for (uint8 i = 0; i < _config.optionalDVNCount; ++i) {
                delete hashLookup[_headerHash][_payloadHash][_config.optionalDVNs[i]];
            }
        }
    }

    function _assertHeader(bytes calldata _packetHeader, uint32 _localEid) internal pure {
        // assert packet header is of right size 81
        if (_packetHeader.length != 81) revert LZ_ULN_InvalidPacketHeader();
        // assert packet header version is the same as ULN
        if (_packetHeader.version() != PacketV1Codec.PACKET_VERSION) revert LZ_ULN_InvalidPacketVersion();
        // assert the packet is for this endpoint
        if (_packetHeader.dstEid() != _localEid) revert LZ_ULN_InvalidEid();
    }

    /// @dev for verifiable view function
    /// @dev checks if this verification is ready to be committed to the endpoint
    function _checkVerifiable(
        UlnConfig memory _config,
        bytes32 _headerHash,
        bytes32 _payloadHash
    ) internal view returns (bool) {
        // iterate the required DVNs
        if (_config.requiredDVNCount > 0) {
            for (uint8 i = 0; i < _config.requiredDVNCount; ++i) {
                if (!_verified(_config.requiredDVNs[i], _headerHash, _payloadHash, _config.confirmations)) {
                    // return if any of the required DVNs haven't signed
                    return false;
                }
            }
            if (_config.optionalDVNCount == 0) {
                // returns early if all required DVNs have signed and there are no optional DVNs
                return true;
            }
        }

        // then it must require optional validations
        uint8 threshold = _config.optionalDVNThreshold;
        for (uint8 i = 0; i < _config.optionalDVNCount; ++i) {
            if (_verified(_config.optionalDVNs[i], _headerHash, _payloadHash, _config.confirmations)) {
                // increment the optional count if the optional DVN has signed
                threshold--;
                if (threshold == 0) {
                    // early return if the optional threshold has hit
                    return true;
                }
            }
        }

        // return false as a catch-all
        return false;
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

// the formal properties are documented in the setter functions
struct UlnConfig {
    uint64 confirmations;
    // we store the length of required DVNs and optional DVNs instead of using DVN.length directly to save gas
    uint8 requiredDVNCount; // 0 indicate DEFAULT, NIL_DVN_COUNT indicate NONE (to override the value of default)
    uint8 optionalDVNCount; // 0 indicate DEFAULT, NIL_DVN_COUNT indicate NONE (to override the value of default)
    uint8 optionalDVNThreshold; // (0, optionalDVNCount]
    address[] requiredDVNs; // no duplicates. sorted an an ascending order. allowed overlap with optionalDVNs
    address[] optionalDVNs; // no duplicates. sorted an an ascending order. allowed overlap with requiredDVNs
}

struct SetDefaultUlnConfigParam {
    uint32 eid;
    UlnConfig config;
}

/// @dev includes the utility functions for checking ULN states and logics
abstract contract UlnBase is Ownable {
    address private constant DEFAULT_CONFIG = address(0);
    // reserved values for
    uint8 internal constant DEFAULT = 0;
    uint8 internal constant NIL_DVN_COUNT = type(uint8).max;
    uint64 internal constant NIL_CONFIRMATIONS = type(uint64).max;
    // 127 to prevent total number of DVNs (127 * 2) exceeding uint8.max (255)
    // by limiting the total size, it would help constraint the design of DVNOptions
    uint8 private constant MAX_COUNT = (type(uint8).max - 1) / 2;

    mapping(address oapp => mapping(uint32 eid => UlnConfig)) internal ulnConfigs;

    error LZ_ULN_Unsorted();
    error LZ_ULN_InvalidRequiredDVNCount();
    error LZ_ULN_InvalidOptionalDVNCount();
    error LZ_ULN_AtLeastOneDVN();
    error LZ_ULN_InvalidOptionalDVNThreshold();
    error LZ_ULN_InvalidConfirmations();
    error LZ_ULN_UnsupportedEid(uint32 eid);

    event DefaultUlnConfigsSet(SetDefaultUlnConfigParam[] params);
    event UlnConfigSet(address oapp, uint32 eid, UlnConfig config);

    // ============================ OnlyOwner ===================================

    /// @dev about the DEFAULT ULN config
    /// 1) its values are all LITERAL (e.g. 0 is 0). whereas in the oapp ULN config, 0 (default value) points to the default ULN config
    ///     this design enables the oapp to point to DEFAULT config without explicitly setting the config
    /// 2) its configuration is more restrictive than the oapp ULN config that
    ///     a) it must not use NIL value, where NIL is used only by oapps to indicate the LITERAL 0
    ///     b) it must have at least one DVN
    function setDefaultUlnConfigs(SetDefaultUlnConfigParam[] calldata _params) external onlyOwner {
        for (uint256 i = 0; i < _params.length; ++i) {
            SetDefaultUlnConfigParam calldata param = _params[i];

            // 2.a must not use NIL
            if (param.config.requiredDVNCount == NIL_DVN_COUNT) revert LZ_ULN_InvalidRequiredDVNCount();
            if (param.config.optionalDVNCount == NIL_DVN_COUNT) revert LZ_ULN_InvalidOptionalDVNCount();
            if (param.config.confirmations == NIL_CONFIRMATIONS) revert LZ_ULN_InvalidConfirmations();

            // 2.b must have at least one dvn
            _assertAtLeastOneDVN(param.config);

            _setConfig(DEFAULT_CONFIG, param.eid, param.config);
        }
        emit DefaultUlnConfigsSet(_params);
    }

    // ============================ View ===================================
    // @dev assuming most oapps use default, we get default as memory and custom as storage to save gas
    function getUlnConfig(address _oapp, uint32 _remoteEid) public view returns (UlnConfig memory rtnConfig) {
        UlnConfig storage defaultConfig = ulnConfigs[DEFAULT_CONFIG][_remoteEid];
        UlnConfig storage customConfig = ulnConfigs[_oapp][_remoteEid];

        // if confirmations is 0, use default
        uint64 confirmations = customConfig.confirmations;
        if (confirmations == DEFAULT) {
            rtnConfig.confirmations = defaultConfig.confirmations;
        } else if (confirmations != NIL_CONFIRMATIONS) {
            // if confirmations is uint64.max, no block confirmations required
            rtnConfig.confirmations = confirmations;
        } // else do nothing, rtnConfig.confirmation is 0

        if (customConfig.requiredDVNCount == DEFAULT) {
            if (defaultConfig.requiredDVNCount > 0) {
                // copy only if count > 0. save gas
                rtnConfig.requiredDVNs = defaultConfig.requiredDVNs;
                rtnConfig.requiredDVNCount = defaultConfig.requiredDVNCount;
            } // else, do nothing
        } else {
            if (customConfig.requiredDVNCount != NIL_DVN_COUNT) {
                rtnConfig.requiredDVNs = customConfig.requiredDVNs;
                rtnConfig.requiredDVNCount = customConfig.requiredDVNCount;
            } // else, do nothing
        }

        if (customConfig.optionalDVNCount == DEFAULT) {
            if (defaultConfig.optionalDVNCount > 0) {
                // copy only if count > 0. save gas
                rtnConfig.optionalDVNs = defaultConfig.optionalDVNs;
                rtnConfig.optionalDVNCount = defaultConfig.optionalDVNCount;
                rtnConfig.optionalDVNThreshold = defaultConfig.optionalDVNThreshold;
            }
        } else {
            if (customConfig.optionalDVNCount != NIL_DVN_COUNT) {
                rtnConfig.optionalDVNs = customConfig.optionalDVNs;
                rtnConfig.optionalDVNCount = customConfig.optionalDVNCount;
                rtnConfig.optionalDVNThreshold = customConfig.optionalDVNThreshold;
            }
        }

        // the final value must have at least one dvn
        // it is possible that some default config result into 0 dvns
        _assertAtLeastOneDVN(rtnConfig);
    }

    /// @dev Get the uln config without the default config for the given remoteEid.
    function getAppUlnConfig(address _oapp, uint32 _remoteEid) external view returns (UlnConfig memory) {
        return ulnConfigs[_oapp][_remoteEid];
    }

    // ============================ Internal ===================================
    function _setUlnConfig(uint32 _remoteEid, address _oapp, UlnConfig memory _param) internal {
        _setConfig(_oapp, _remoteEid, _param);

        // get ULN config again as a catch all to ensure the config is valid
        getUlnConfig(_oapp, _remoteEid);
        emit UlnConfigSet(_oapp, _remoteEid, _param);
    }

    /// @dev a supported Eid must have a valid default uln config, which has at least one dvn
    function _isSupportedEid(uint32 _remoteEid) internal view returns (bool) {
        UlnConfig storage defaultConfig = ulnConfigs[DEFAULT_CONFIG][_remoteEid];
        return defaultConfig.requiredDVNCount > 0 || defaultConfig.optionalDVNThreshold > 0;
    }

    function _assertSupportedEid(uint32 _remoteEid) internal view {
        if (!_isSupportedEid(_remoteEid)) revert LZ_ULN_UnsupportedEid(_remoteEid);
    }

    // ============================ Private ===================================

    function _assertAtLeastOneDVN(UlnConfig memory _config) private pure {
        if (_config.requiredDVNCount == 0 && _config.optionalDVNThreshold == 0) revert LZ_ULN_AtLeastOneDVN();
    }

    /// @dev this private function is used in both setDefaultUlnConfigs and setUlnConfig
    function _setConfig(address _oapp, uint32 _eid, UlnConfig memory _param) private {
        // @dev required dvns
        // if dvnCount == NONE, dvns list must be empty
        // if dvnCount == DEFAULT, dvn list must be empty
        // otherwise, dvnList.length == dvnCount and assert the list is valid
        if (_param.requiredDVNCount == NIL_DVN_COUNT || _param.requiredDVNCount == DEFAULT) {
            if (_param.requiredDVNs.length != 0) revert LZ_ULN_InvalidRequiredDVNCount();
        } else {
            if (_param.requiredDVNs.length != _param.requiredDVNCount || _param.requiredDVNCount > MAX_COUNT)
                revert LZ_ULN_InvalidRequiredDVNCount();
            _assertNoDuplicates(_param.requiredDVNs);
        }

        // @dev optional dvns
        // if optionalDVNCount == NONE, optionalDVNs list must be empty and threshold must be 0
        // if optionalDVNCount == DEFAULT, optionalDVNs list must be empty and threshold must be 0
        // otherwise, optionalDVNs.length == optionalDVNCount, threshold > 0 && threshold <= optionalDVNCount and assert the list is valid

        // example use case: an oapp uses the DEFAULT 'required' but
        //     a) use a custom 1/1 dvn (practically a required dvn), or
        //     b) use a custom 2/3 dvn
        if (_param.optionalDVNCount == NIL_DVN_COUNT || _param.optionalDVNCount == DEFAULT) {
            if (_param.optionalDVNs.length != 0) revert LZ_ULN_InvalidOptionalDVNCount();
            if (_param.optionalDVNThreshold != 0) revert LZ_ULN_InvalidOptionalDVNThreshold();
        } else {
            if (_param.optionalDVNs.length != _param.optionalDVNCount || _param.optionalDVNCount > MAX_COUNT)
                revert LZ_ULN_InvalidOptionalDVNCount();
            if (_param.optionalDVNThreshold == 0 || _param.optionalDVNThreshold > _param.optionalDVNCount)
                revert LZ_ULN_InvalidOptionalDVNThreshold();
            _assertNoDuplicates(_param.optionalDVNs);
        }
        // don't assert valid count here, as it needs to be validated along side default config

        ulnConfigs[_oapp][_eid] = _param;
    }

    function _assertNoDuplicates(address[] memory _dvns) private pure {
        address lastDVN = address(0);
        for (uint256 i = 0; i < _dvns.length; i++) {
            address dvn = _dvns[i];
            if (dvn <= lastDVN) revert LZ_ULN_Unsorted(); // to ensure no duplicates
            lastDVN = dvn;
        }
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

abstract contract AddressSizeConfig is Ownable {
    // EndpointV1 is using bytes as address. this map is for address length assertion
    mapping(uint32 dstEid => uint256 size) public addressSizes;

    event AddressSizeSet(uint16 eid, uint256 size);

    error AddressSizeConfig_InvalidAddressSize();
    error AddressSizeConfig_AddressSizeAlreadySet();

    function setAddressSize(uint16 _eid, uint256 _size) external onlyOwner {
        if (_size > 32) revert AddressSizeConfig_InvalidAddressSize();
        if (addressSizes[_eid] != 0) revert AddressSizeConfig_AddressSizeAlreadySet();
        addressSizes[_eid] = _size;
        emit AddressSizeSet(_eid, _size);
    }
}

// SPDX-License-Identifier: LZBL-1.2

pragma solidity ^0.8.20;

import { Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
import { ILayerZeroEndpoint } from "@layerzerolabs/lz-evm-v1-0.7/contracts/interfaces/ILayerZeroEndpoint.sol";
import { AddressCast } from "@layerzerolabs/lz-evm-protocol-v2/contracts/libs/AddressCast.sol";

import { AddressSizeConfig } from "./AddressSizeConfig.sol";
import { MessageLibBase } from "../../MessageLibBase.sol";

// only receiver function from "@layerzerolabs/lz-evm-v1-0.7/contracts/interfaces/ILayerZeroMessagingLibrary.sol"
// because we are separating the send and receive libraries
interface ILayerZeroReceiveLibrary {
    // setConfig / getConfig are User Application (UA) functions to specify Oracle, Relayer, blockConfirmations, libraryVersion
    function setConfig(uint16 _chainId, address _userApplication, uint256 _configType, bytes calldata _config) external;

    function getConfig(
        uint16 _chainId,
        address _userApplication,
        uint256 _configType
    ) external view returns (bytes memory);
}

struct SetDefaultExecutorParam {
    uint32 eid;
    address executor;
}

/// @dev receive-side message library base contract on endpoint v1.
/// design:
/// 1/ it provides an internal execute function that calls the endpoint. It enforces the path definition on V1.
/// 2/ it provides interfaces to configure executors that is whitelisted to execute the msg to prevent grieving
abstract contract ReceiveLibBaseE1 is MessageLibBase, AddressSizeConfig, ILayerZeroReceiveLibrary {
    using AddressCast for bytes32;

    mapping(address oapp => mapping(uint32 eid => address executor)) public executors;
    mapping(uint32 eid => address executor) public defaultExecutors;

    // this event is the same as the PacketDelivered event on EndpointV2
    event PacketDelivered(Origin origin, address receiver);
    event InvalidDst(
        uint16 indexed srcChainId,
        bytes32 srcAddress,
        address indexed dstAddress,
        uint64 nonce,
        bytes32 payloadHash
    );
    event DefaultExecutorsSet(SetDefaultExecutorParam[] params);
    event ExecutorSet(address oapp, uint32 eid, address executor);

    error LZ_MessageLib_InvalidExecutor();
    error LZ_MessageLib_OnlyExecutor();

    constructor(address _endpoint, uint32 _localEid) MessageLibBase(_endpoint, _localEid) {}

    function setDefaultExecutors(SetDefaultExecutorParam[] calldata _params) external onlyOwner {
        for (uint256 i = 0; i < _params.length; ++i) {
            SetDefaultExecutorParam calldata param = _params[i];
            if (param.executor == address(0x0)) revert LZ_MessageLib_InvalidExecutor();
            defaultExecutors[param.eid] = param.executor;
        }
        emit DefaultExecutorsSet(_params);
    }

    function getExecutor(address _oapp, uint32 _remoteEid) public view returns (address) {
        address executor = executors[_oapp][_remoteEid];
        return executor != address(0x0) ? executor : defaultExecutors[_remoteEid];
    }

    function _setExecutor(uint32 _remoteEid, address _oapp, address _executor) internal {
        executors[_oapp][_remoteEid] = _executor;
        emit ExecutorSet(_oapp, _remoteEid, _executor);
    }

    /// @dev this function change pack the path as required for EndpointV1
    function _execute(
        uint16 _srcEid,
        bytes32 _sender,
        address _receiver,
        uint64 _nonce,
        bytes memory _message,
        uint256 _gasLimit
    ) internal {
        // if the executor is malicious, it can make the msg as a storedPayload or fail in the nonBlockingApp
        // which might result in unintended behaviour and risks, like grieving.
        // to err on the safe side, we should assert the executor here.
        if (msg.sender != getExecutor(_receiver, _srcEid)) revert LZ_MessageLib_OnlyExecutor();

        if (_receiver.code.length == 0) {
            /// on chains where EOA has no codes, it will early return and emit InvalidDst event
            // on chains where all address have codes, this will be skipped
            emit InvalidDst(_srcEid, _sender, _receiver, _nonce, keccak256(_message));
            return;
        }

        bytes memory pathData = abi.encodePacked(_sender.toBytes(addressSizes[_srcEid]), _receiver);
        ILayerZeroEndpoint(endpoint).receivePayload(_srcEid, pathData, _receiver, _nonce, _gasLimit, _message);

        Origin memory origin = Origin(_srcEid, _sender, _nonce);
        emit PacketDelivered(origin, _receiver);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

interface IUltraLightNode301 {
    function commitVerification(bytes calldata _packet, uint256 _gasLimit) external;
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_endpoint","type":"address"},{"internalType":"uint32","name":"_localEid","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AddressCast_InvalidSizeForAddress","type":"error"},{"inputs":[],"name":"AddressSizeConfig_AddressSizeAlreadySet","type":"error"},{"inputs":[],"name":"AddressSizeConfig_InvalidAddressSize","type":"error"},{"inputs":[],"name":"LZ_MessageLib_InvalidExecutor","type":"error"},{"inputs":[],"name":"LZ_MessageLib_OnlyEndpoint","type":"error"},{"inputs":[],"name":"LZ_MessageLib_OnlyExecutor","type":"error"},{"inputs":[],"name":"LZ_ULN_AtLeastOneDVN","type":"error"},{"inputs":[{"internalType":"uint256","name":"configType","type":"uint256"}],"name":"LZ_ULN_InvalidConfigType","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidConfirmations","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidEid","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidOptionalDVNCount","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidOptionalDVNThreshold","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidPacketHeader","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidPacketVersion","type":"error"},{"inputs":[],"name":"LZ_ULN_InvalidRequiredDVNCount","type":"error"},{"inputs":[],"name":"LZ_ULN_Unsorted","type":"error"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"LZ_ULN_UnsupportedEid","type":"error"},{"inputs":[],"name":"LZ_ULN_Verifying","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"eid","type":"uint16"},{"indexed":false,"internalType":"uint256","name":"size","type":"uint256"}],"name":"AddressSizeSet","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"address","name":"executor","type":"address"}],"indexed":false,"internalType":"struct SetDefaultExecutorParam[]","name":"params","type":"tuple[]"}],"name":"DefaultExecutorsSet","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"internalType":"struct UlnConfig","name":"config","type":"tuple"}],"indexed":false,"internalType":"struct SetDefaultUlnConfigParam[]","name":"params","type":"tuple[]"}],"name":"DefaultUlnConfigsSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oapp","type":"address"},{"indexed":false,"internalType":"uint32","name":"eid","type":"uint32"},{"indexed":false,"internalType":"address","name":"executor","type":"address"}],"name":"ExecutorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"srcChainId","type":"uint16"},{"indexed":false,"internalType":"bytes32","name":"srcAddress","type":"bytes32"},{"indexed":true,"internalType":"address","name":"dstAddress","type":"address"},{"indexed":false,"internalType":"uint64","name":"nonce","type":"uint64"},{"indexed":false,"internalType":"bytes32","name":"payloadHash","type":"bytes32"}],"name":"InvalidDst","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"indexed":false,"internalType":"struct Origin","name":"origin","type":"tuple"},{"indexed":false,"internalType":"address","name":"receiver","type":"address"}],"name":"PacketDelivered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"dvn","type":"address"},{"indexed":false,"internalType":"bytes","name":"header","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"confirmations","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"proofHash","type":"bytes32"}],"name":"PayloadVerified","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oapp","type":"address"},{"indexed":false,"internalType":"uint32","name":"eid","type":"uint32"},{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"indexed":false,"internalType":"struct UlnConfig","name":"config","type":"tuple"}],"name":"UlnConfigSet","type":"event"},{"inputs":[{"internalType":"uint32","name":"dstEid","type":"uint32"}],"name":"addressSizes","outputs":[{"internalType":"uint256","name":"size","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_packetHeader","type":"bytes"},{"internalType":"uint32","name":"_localEid","type":"uint32"}],"name":"assertHeader","outputs":[],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"_packet","type":"bytes"},{"internalType":"uint256","name":"_gasLimit","type":"uint256"}],"name":"commitVerification","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"defaultExecutors","outputs":[{"internalType":"address","name":"executor","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"oapp","type":"address"},{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"executors","outputs":[{"internalType":"address","name":"executor","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_oapp","type":"address"},{"internalType":"uint32","name":"_remoteEid","type":"uint32"}],"name":"getAppUlnConfig","outputs":[{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"internalType":"struct UlnConfig","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_eid","type":"uint16"},{"internalType":"address","name":"_oapp","type":"address"},{"internalType":"uint256","name":"_configType","type":"uint256"}],"name":"getConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_oapp","type":"address"},{"internalType":"uint32","name":"_remoteEid","type":"uint32"}],"name":"getExecutor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_oapp","type":"address"},{"internalType":"uint32","name":"_remoteEid","type":"uint32"}],"name":"getUlnConfig","outputs":[{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"internalType":"struct UlnConfig","name":"rtnConfig","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"headerHash","type":"bytes32"},{"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"internalType":"address","name":"dvn","type":"address"}],"name":"hashLookup","outputs":[{"internalType":"bool","name":"submitted","type":"bool"},{"internalType":"uint64","name":"confirmations","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_eid","type":"uint16"},{"internalType":"uint256","name":"_size","type":"uint256"}],"name":"setAddressSize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_eid","type":"uint16"},{"internalType":"address","name":"_oapp","type":"address"},{"internalType":"uint256","name":"_configType","type":"uint256"},{"internalType":"bytes","name":"_config","type":"bytes"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"address","name":"executor","type":"address"}],"internalType":"struct SetDefaultExecutorParam[]","name":"_params","type":"tuple[]"}],"name":"setDefaultExecutors","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"internalType":"struct UlnConfig","name":"config","type":"tuple"}],"internalType":"struct SetDefaultUlnConfigParam[]","name":"_params","type":"tuple[]"}],"name":"setDefaultUlnConfigs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint8","name":"requiredDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNCount","type":"uint8"},{"internalType":"uint8","name":"optionalDVNThreshold","type":"uint8"},{"internalType":"address[]","name":"requiredDVNs","type":"address[]"},{"internalType":"address[]","name":"optionalDVNs","type":"address[]"}],"internalType":"struct UlnConfig","name":"_config","type":"tuple"},{"internalType":"bytes32","name":"_headerHash","type":"bytes32"},{"internalType":"bytes32","name":"_payloadHash","type":"bytes32"}],"name":"verifiable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_packetHeader","type":"bytes"},{"internalType":"bytes32","name":"_payloadHash","type":"bytes32"},{"internalType":"uint64","name":"_confirmations","type":"uint64"}],"name":"verify","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint64","name":"major","type":"uint64"},{"internalType":"uint8","name":"minor","type":"uint8"},{"internalType":"uint8","name":"endpointVersion","type":"uint8"}],"stateMutability":"pure","type":"function"}]

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

000000000000000000000000b6319cc6c8c27a8f5daf0dd3df91ea35c4720dd700000000000000000000000000000000000000000000000000000000000000f3

-----Decoded View---------------
Arg [0] : _endpoint (address): 0xb6319cC6c8c27A8F5dAF0dD3DF91EA35C4720dd7
Arg [1] : _localEid (uint32): 243

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000b6319cc6c8c27a8f5daf0dd3df91ea35c4720dd7
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000f3