// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./OptimizedOApp.sol";

contract FillerV2 is OptimizedOApp {

    constructor(address _owner, address _endpoint) OptimizedOApp(_owner, _endpoint) {}

    event SentMessages(uint32[] eids, bytes[] messages, uint value, uint fee, address from);
    event SentDeposits(uint256[] params, address to, uint value, uint fee, address from);

    function sendMessages(
        uint32[] calldata _dstEids,
        bytes[] calldata _messages
    ) external payable {
        uint256 fee;
        for (uint i; i < _messages.length; i++) {
            fee += _sendMessage(_dstEids[i], _messages[i]);
        }
        require(msg.value >= fee, "Fee Not Met");
        emit SentMessages(_dstEids, _messages, msg.value, fee, msg.sender);
    }

    function sendDeposits(
        uint256[] calldata _depositParams,
        address _to
    ) external payable {
        uint256 fee;
        for (uint i; i < _depositParams.length; i++) {
            fee += _sendDeposit(uint32(_depositParams[i] >> 224), uint128(_depositParams[i]), _to);
        }
        require(msg.value >= fee, "Fee Not Met");
        emit SentDeposits(_depositParams, _to, msg.value, fee, msg.sender);
    }

    function _sendMessage(uint32 _dstEid, bytes calldata _message) internal returns (uint256 fee) {
        MessagingReceipt memory receipt = _lzSend(_dstEid, _message, createReceiveOption(_dstEid), address(this).balance, address(this));
        return receipt.fee.nativeFee;
    }

    function _sendDeposit(uint32 _dstEid, uint128 _amount, address _to) internal returns (uint256 fee) {
        MessagingReceipt memory receipt = _lzSend(_dstEid, "", createNativeDropOption(_dstEid, _amount, _to), address(this).balance, address(this));
        return receipt.fee.nativeFee;
    }

    function createReceiveOption(uint32 _dstEid) public view returns (bytes memory) {
        return abi.encodePacked(
            abi.encodePacked(uint16(3)),
            uint8(1),
            uint16(16+1),
            uint8(1),
            abi.encodePacked(getGasLimit(_dstEid))
        );
    }

    function createNativeDropOption(uint32 _dstEid, uint128 _nativeAmount, address _to) public view returns (bytes memory) {
        return abi.encodePacked(
            createReceiveOption(_dstEid),
            uint8(1),
            uint16(32+16+1),
            uint8(2),
            abi.encodePacked(_nativeAmount, bytes32(uint256(uint160(_to))))
        );
    }

    function estimateFees(
        uint32[] calldata _dstEids,
        bytes[] calldata _messages,
        bytes[] calldata _options
    ) external view returns (uint256[] memory nativeFees) {
        nativeFees = new uint256[](_dstEids.length);
        for (uint i; i < _dstEids.length; i++) {
            nativeFees[i] = quote(_dstEids[i], _messages[i], _options[i]);
        }
    }

    function quote(uint32 _dstEid, bytes calldata _message, bytes memory _options) public view returns (uint256 nativeFee) {
        MessagingFee memory fee = endpoint.quote(MessagingParams(_dstEid, getPeer(_dstEid), _message, _options, false), address(this));
        return fee.nativeFee;
    }

    function withdraw(address token, uint256 amount) external onlyOwner {
        bool s;
        if (token == address(0)) {
            (s,) = msg.sender.call{value: address(this).balance}("");
        } else {
            (s,) = token.call(abi.encodeWithSignature("transfer(address,uint256)", msg.sender, amount));
        }
        require(s, "Withdraw Failed");
    }

    receive() external payable {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./Ownable.sol";
import "./interfaces/ILayerZeroEndpointV2.sol";
import "./interfaces/IMessageLibManager.sol";
import "./interfaces/IUlnBase.sol";

abstract contract OptimizedOApp is Ownable {
    ILayerZeroEndpointV2 public immutable endpoint;

    mapping(uint32 => bytes32) public peers;
    mapping(uint32 => uint128) public gasLimitLookup;

    uint128 public defaultGasLimit = 20_000;

    constructor(address _owner, address _endpoint) {
        endpoint = ILayerZeroEndpointV2(_endpoint);
        _initializeOwner(_owner);
        endpoint.setDelegate(_owner);
    }

    // Receive

    function nextNonce(uint32, bytes32) public pure virtual returns (uint64 nonce) {
        return 0;
    }

    function allowInitializePath(Origin calldata origin) public view virtual returns (bool) {
        return getPeer(origin.srcEid) == origin.sender;
    }

    function lzReceive(
        Origin calldata,
        bytes32,
        bytes calldata,
        address,
        bytes calldata
    ) external pure {
        return;
    }

    // Send

    function _lzSend(
        uint32 _dstEid,
        bytes memory _message,
        bytes memory _options,
        uint _nativeFee,
        address _refundAddress
    ) internal virtual returns (MessagingReceipt memory receipt) {
        return endpoint.send{value: _nativeFee}(MessagingParams(_dstEid, getPeer(_dstEid), _message, _options, false), _refundAddress);
    }

    function getPeer(uint32 _dstEid) internal view returns (bytes32) {
        bytes32 trustedRemote = peers[_dstEid];
        if (trustedRemote == 0) {
            return bytes32(uint256(uint160(address(this))));
        } else {
            return trustedRemote;
        }
    }

    function getGasLimit(uint32 _dstEid) internal view returns (uint128) {
        uint128 gasLimit = gasLimitLookup[_dstEid];
        if (gasLimit == 0) {
            return defaultGasLimit;
        } else {
            return gasLimit;
        }
    }

    function setPeers(
        uint32[] calldata _remoteEids, 
        bytes32[] calldata _remoteAddresses
    ) external onlyOwner {
        require(_remoteEids.length == _remoteAddresses.length, "Length Mismatch");

        for (uint i; i < _remoteEids.length; i++) {
            peers[_remoteEids[i]] = _remoteAddresses[i];
        }
    }

    function setGasLimit(
        uint32[] calldata _remoteEids, 
        uint128[] calldata _gasLimits
    ) external onlyOwner {
        require(_remoteEids.length == _gasLimits.length, "Length Mismatch");

        for (uint i; i < _remoteEids.length; i++) {
            gasLimitLookup[_remoteEids[i]] = _gasLimits[i];
        }
    }

    function setDefaultGasLimit(uint128 _defaultGasLimit) external onlyOwner {
        defaultGasLimit = _defaultGasLimit;
    }

    function setDelegate(address _delegate) external onlyOwner {
        endpoint.setDelegate(_delegate);
    }

    function setUlnConfigs(address _lib, uint64 confirmations, uint32[] calldata eids, address dvn) external onlyOwner {
        SetConfigParam[] memory configs = new SetConfigParam[](eids.length);

        for(uint i; i < eids.length; i++) {
            address[] memory opt = new address[](0);
            address[] memory req = new address[](1);
            req[0] = dvn;

            bytes memory config = abi.encode(UlnConfig(confirmations, uint8(1), 0, 0, req, opt));
            configs[i] = SetConfigParam({eid: eids[i], configType: 2, config: config});
        }

        IMessageLibManager(address(endpoint)).setConfig(address(this), _lib, configs);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The caller is not authorized to call the function.
    error Unauthorized();

    /// @dev The `newOwner` cannot be the zero address.
    error NewOwnerIsZeroAddress();

    /// @dev The `pendingOwner` does not have a valid handover request.
    error NoHandoverRequest();

    /// @dev Cannot double-initialize.
    error AlreadyInitialized();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           EVENTS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The ownership is transferred from `oldOwner` to `newOwner`.
    /// This event is intentionally kept the same as OpenZeppelin's Ownable to be
    /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
    /// despite it not being as lightweight as a single argument event.
    event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);

    /// @dev An ownership handover to `pendingOwner` has been requested.
    event OwnershipHandoverRequested(address indexed pendingOwner);

    /// @dev The ownership handover to `pendingOwner` has been canceled.
    event OwnershipHandoverCanceled(address indexed pendingOwner);

    /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
    uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
        0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;

    /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
        0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;

    /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
        0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          STORAGE                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The owner slot is given by:
    /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
    /// It is intentionally chosen to be a high value
    /// to avoid collision with lower slots.
    /// The choice of manual storage layout is to enable compatibility
    /// with both regular and upgradeable contracts.
    bytes32 internal constant _OWNER_SLOT =
        0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;

    /// The ownership handover slot of `newOwner` is given by:
    /// ```
    ///     mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
    ///     let handoverSlot := keccak256(0x00, 0x20)
    /// ```
    /// It stores the expiry timestamp of the two-step ownership handover.
    uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     INTERNAL FUNCTIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
    function _guardInitializeOwner() internal pure virtual returns (bool guard) {}

    /// @dev Initializes the owner directly without authorization guard.
    /// This function must be called upon initialization,
    /// regardless of whether the contract is upgradeable or not.
    /// This is to enable generalization to both regular and upgradeable contracts,
    /// and to save gas in case the initial owner is not the caller.
    /// For performance reasons, this function will not check if there
    /// is an existing owner.
    function _initializeOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                if sload(ownerSlot) {
                    mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
                    revert(0x1c, 0x04)
                }
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(_OWNER_SLOT, newOwner)
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        }
    }

    /// @dev Sets the owner directly without authorization guard.
    function _setOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, newOwner)
            }
        }
    }

    /// @dev Throws if the sender is not the owner.
    function _checkOwner() internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // If the caller is not the stored owner, revert.
            if iszero(eq(caller(), sload(_OWNER_SLOT))) {
                mstore(0x00, 0x82b42900) // `Unauthorized()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns how long a two-step ownership handover is valid for in seconds.
    /// Override to return a different value if needed.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
        return 48 * 3600;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  PUBLIC UPDATE FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Allows the owner to transfer the ownership to `newOwner`.
    function transferOwnership(address newOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(shl(96, newOwner)) {
                mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
                revert(0x1c, 0x04)
            }
        }
        _setOwner(newOwner);
    }

    /// @dev Allows the owner to renounce their ownership.
    function renounceOwnership() public payable virtual onlyOwner {
        _setOwner(address(0));
    }

    /// @dev Request a two-step ownership handover to the caller.
    /// The request will automatically expire in 48 hours (172800 seconds) by default.
    function requestOwnershipHandover() public payable virtual {
        unchecked {
            uint256 expires = block.timestamp + _ownershipHandoverValidFor();
            /// @solidity memory-safe-assembly
            assembly {
                // Compute and set the handover slot to `expires`.
                mstore(0x0c, _HANDOVER_SLOT_SEED)
                mstore(0x00, caller())
                sstore(keccak256(0x0c, 0x20), expires)
                // Emit the {OwnershipHandoverRequested} event.
                log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
            }
        }
    }

    /// @dev Cancels the two-step ownership handover to the caller, if any.
    function cancelOwnershipHandover() public payable virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, caller())
            sstore(keccak256(0x0c, 0x20), 0)
            // Emit the {OwnershipHandoverCanceled} event.
            log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
        }
    }

    /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
    /// Reverts if there is no existing ownership handover requested by `pendingOwner`.
    function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            let handoverSlot := keccak256(0x0c, 0x20)
            // If the handover does not exist, or has expired.
            if gt(timestamp(), sload(handoverSlot)) {
                mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
                revert(0x1c, 0x04)
            }
            // Set the handover slot to 0.
            sstore(handoverSlot, 0)
        }
        _setOwner(pendingOwner);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   PUBLIC READ FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the owner of the contract.
    function owner() public view virtual returns (address result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := sload(_OWNER_SLOT)
        }
    }

    /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
    function ownershipHandoverExpiresAt(address pendingOwner)
        public
        view
        virtual
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the handover slot.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            // Load the handover slot.
            result := sload(keccak256(0x0c, 0x20))
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         MODIFIERS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Marks a function as only callable by the owner.
    modifier onlyOwner() virtual {
        _checkOwner();
        _;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.8.0;

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 {
    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;

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;

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
}

interface IUlnBase {
    function getUlnConfig(address, uint32) external returns (UlnConfig memory);
}

{
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "appendCBOR": true,
    "bytecodeHash": "ipfs",
    "useLiteralContent": false
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "remappings": [
    "forge-std/=lib/forge-std/src/"
  ]
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_endpoint","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256[]","name":"params","type":"uint256[]"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"},{"indexed":false,"internalType":"address","name":"from","type":"address"}],"name":"SentDeposits","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32[]","name":"eids","type":"uint32[]"},{"indexed":false,"internalType":"bytes[]","name":"messages","type":"bytes[]"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"},{"indexed":false,"internalType":"address","name":"from","type":"address"}],"name":"SentMessages","type":"event"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"origin","type":"tuple"}],"name":"allowInitializePath","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_dstEid","type":"uint32"},{"internalType":"uint128","name":"_nativeAmount","type":"uint128"},{"internalType":"address","name":"_to","type":"address"}],"name":"createNativeDropOption","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_dstEid","type":"uint32"}],"name":"createReceiveOption","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultGasLimit","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endpoint","outputs":[{"internalType":"contract ILayerZeroEndpointV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_dstEids","type":"uint32[]"},{"internalType":"bytes[]","name":"_messages","type":"bytes[]"},{"internalType":"bytes[]","name":"_options","type":"bytes[]"}],"name":"estimateFees","outputs":[{"internalType":"uint256[]","name":"nativeFees","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"","type":"uint32"}],"name":"gasLimitLookup","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"","type":"tuple"},{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"address","name":"","type":"address"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nextNonce","outputs":[{"internalType":"uint64","name":"nonce","type":"uint64"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"","type":"uint32"}],"name":"peers","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_dstEid","type":"uint32"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"bytes","name":"_options","type":"bytes"}],"name":"quote","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_depositParams","type":"uint256[]"},{"internalType":"address","name":"_to","type":"address"}],"name":"sendDeposits","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_dstEids","type":"uint32[]"},{"internalType":"bytes[]","name":"_messages","type":"bytes[]"}],"name":"sendMessages","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint128","name":"_defaultGasLimit","type":"uint128"}],"name":"setDefaultGasLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_delegate","type":"address"}],"name":"setDelegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_remoteEids","type":"uint32[]"},{"internalType":"uint128[]","name":"_gasLimits","type":"uint128[]"}],"name":"setGasLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32[]","name":"_remoteEids","type":"uint32[]"},{"internalType":"bytes32[]","name":"_remoteAddresses","type":"bytes32[]"}],"name":"setPeers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_lib","type":"address"},{"internalType":"uint64","name":"confirmations","type":"uint64"},{"internalType":"uint32[]","name":"eids","type":"uint32[]"},{"internalType":"address","name":"dvn","type":"address"}],"name":"setUlnConfigs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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