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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {
    ILayerZeroEndpointV2,
    Origin
} from "layerzero-v2/protocol/contracts/interfaces/ILayerZeroEndpointV2.sol";

contract LayerZeroV2Executor {
    uint64 internal constant RECEIVER_VERSION = 1;
    address public immutable endpoint;

    error InvalidSender();

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

    function oAppVersion() public view virtual returns (uint64, uint64) {
        return (0, RECEIVER_VERSION);
    }

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

    function allowInitializePath(Origin calldata) public view virtual returns (bool) {
        return true;
    }

    function lzReceive(
        Origin calldata _origin,
        bytes32, // _guid
        bytes calldata _message,
        address, // _executor
        bytes calldata // _extraData
    ) external payable {
        if (msg.sender != endpoint) revert InvalidSender();

        address src = address(uint160(uint256(_origin.sender)));

        (bool success, bytes memory result) = src.call(_message);

        if (!success) {
            assembly {
                revert(add(result, 32), mload(result))
            }
        }
    }
}

// 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;

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

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

{
  "remappings": [
    "@account-abstraction/=lib/account-abstraction/",
    "erc6551/=lib/erc6551/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "multicall-authenticated/=lib/multicall-authenticated/src/",
    "layerzero-v1/=lib/layerzero-v1/contracts/",
    "layerzero-v2/=lib/layerzero-v2/",
    "@layerzerolabs/lz-evm-protocol-v2/=lib/layerzero-v2/protocol/",
    "@layerzerolabs/lz-evm-messagelib-v2/=lib/layerzero-v2/messagelib/",
    "solidity-bytes-utils/=lib/layerzero-v2/oapp/node_modules/solidity-bytes-utils/",
    "@openzeppelin/contracts-upgradeable/=lib/layerzero-v2/messagelib/node_modules/@openzeppelin/contracts-upgradeable/",
    "@layerzerolabs/lz-evm-v1-0.7/=lib/layerzero-v2/messagelib/node_modules/@layerzerolabs/lz-evm-v1-0.7/",
    "@axelar-network/=lib/layerzero-v2/messagelib/node_modules/@axelar-network/",
    "@chainlink/=lib/layerzero-v2/messagelib/node_modules/@chainlink/contracts-ccip/src/",
    "account-abstraction/=lib/account-abstraction/contracts/",
    "hardhat-deploy/=lib/layerzero-v2/oapp/node_modules/hardhat-deploy/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"_endpoint","type":"address"},{"internalType":"address","name":"delegate","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InvalidSender","type":"error"},{"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"}],"name":"allowInitializePath","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"endpoint","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"_origin","type":"tuple"},{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"address","name":"","type":"address"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nextNonce","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oAppVersion","outputs":[{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"}]

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

0000000000000000000000001a44076050125825900e736c501f859c50fe728c000000000000000000000000781b6a527482828bb04f33563797d4b696ddf328

-----Decoded View---------------
Arg [0] : _endpoint (address): 0x1a44076050125825900e736c501f859c50fE728c
Arg [1] : delegate (address): 0x781b6A527482828bB04F33563797d4b696ddF328

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000001a44076050125825900e736c501f859c50fe728c
Arg [1] : 000000000000000000000000781b6a527482828bb04f33563797d4b696ddf328