{"file_path":"contracts/FT.sol","creation_status":"success","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.30;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { OFT } from \"@layerzerolabs/oft-evm/contracts/OFT.sol\";\nimport { Pausable } from \"@openzeppelin/contracts/utils/Pausable.sol\";\nimport { IFT } from \"./interfaces/IFT.sol\";\nimport { ERC20Permit } from \"@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol\";\nimport { EIP712 } from \"@openzeppelin/contracts/utils/cryptography/EIP712.sol\";\nimport { ECDSA } from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\nimport { IERC1271 } from \"@openzeppelin/contracts/interfaces/IERC1271.sol\";\n\n/// @notice ERC20 + OFT token with pause controls and ERC-2612 permit.\n///         Includes a 1271-aware permit overload for smart contract wallets.\n/// @dev Permit2 (Uniswap) does not require token-side changes; integrators can\n///      use Permit2 directly to manage allowances for this token.\ncontract FT is IFT, OFT, ERC20Permit, Pausable {\n    /**\n     * @notice Emitted when the token name is changed\n     * @param newName New name for the token\n     */\n    event NameChanged(string newName);\n\n    /**\n     * @notice Emitted when the token symbol is changed\n     * @param newSymbol New symbol for the token\n     */\n    event SymbolChanged(string newSymbol);\n\n    /**\n     * @notice Emitted when the configurator address is changed\n     * @param newConfigurator New configurator address\n     */\n    event ConfiguratorChanged(address newConfigurator);\n\n    /// @param sender The address of the sender who is not authorized\n    error OnlyOwnerOrConfigurator(address sender);\n\n    error ZeroAddress();\n    error InvalidMintChainId(uint256 mintChainId);\n    \n    /// @param usedNonce The nonce consumed by the contract\n    /// @param expectedNonce The nonce that was signed over\n    error ERC2612InvalidNonce(uint256 usedNonce, uint256 expectedNonce);\n\n    /**\n     * @dev Modifier to make a function callable only by the owner or the configurator.\n     */\n    modifier onlyOwnerOrConfigurator() {\n        address sender = _msgSender();\n        if (owner() != sender && _configurator != sender) revert OnlyOwnerOrConfigurator(sender);\n        _;\n    }\n\n    string private _symbol;\n    string private _name;\n    address private _configurator;\n\n    /**\n     * @param ftName Name of the token\n     * @param ftSymbol Symbol of the token\n     * @param lzEndpoint LayerZero endpoint address\n     * @param delegate LayerZero delegate address\n     * @param ftConfigurator Configurator address\n     * @param mintChainId Chain ID where initial supply is minted (Sonic mainnet or Sepolia)\n     */\n    constructor(\n        string memory ftName,\n        string memory ftSymbol,\n        address lzEndpoint,\n        address delegate,\n        address ftConfigurator,\n        uint256 mintChainId\n    ) OFT(ftName, ftSymbol, lzEndpoint, delegate) ERC20Permit(ftName) Ownable(delegate) {\n        _setName(ftName);\n        _setSymbol(ftSymbol);\n        _transferConfigurator(ftConfigurator);\n\n        // ensure the mint chain is only Sonic for mainnets, Sepolia for testnets or local dev\n        if (!(mintChainId == 146 || mintChainId == 11155111 || mintChainId == 31337)) {\n            revert InvalidMintChainId(mintChainId);\n        }\n        if (block.chainid == mintChainId) {\n            // mint before pausing\n            _mint(ftConfigurator, 10_000_000_000e18);\n        }\n        _pause();\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the name.\n     */\n    function symbol() public view override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the configurator address\n     * @return address of the configurator\n     */\n    function configurator() external view returns (address) {\n        return _configurator;\n    }\n\n    /**\n     * @dev Burns tokens from the sender's balance\n     * @param amount Amount of tokens to burn\n     */\n    function burn(uint256 amount) external override {\n        _burn(_msgSender(), amount);\n    }\n\n    /**\n     * @dev Burns tokens from a specified account (requires approval)\n     * @param account Address to burn tokens from\n     * @param amount Amount of tokens to burn\n     */\n    function burnFrom(address account, uint256 amount) external override {\n        _spendAllowance(account, _msgSender(), amount);\n        _burn(account, amount);\n    }\n\n    /**\n     * @notice Pauses or unpauses the contract.\n     * @dev Access: only owner or configurator.\n     *      Reverts with {EnforcedPause} if called to pause when already paused.\n     *      Reverts with {ExpectedPause} if called to unpause when not paused.\n     *      Approvals and permits remain allowed while paused; only token transfers\n     *      are gated by pause checks in {_update}.\n     * @param isPaused true to pause, false to unpause\n     */\n    function setPaused(bool isPaused) external onlyOwnerOrConfigurator {\n        // emits events from Pausable\n        isPaused ? _pause() : _unpause();\n    }\n\n    /**\n     * @notice Sets a new configurator address.\n     * @dev Access: owner or current configurator may rotate the configurator.\n     *      The configurator is exempted from pause restrictions as described\n     *      in {_update} and can also toggle pause via {setPaused}.\n     * @param newConfigurator New configurator address\n     */\n    function transferConfigurator(address newConfigurator) external onlyOwnerOrConfigurator {\n        _transferConfigurator(newConfigurator);\n    }\n\n    function _transferConfigurator(address newConfigurator) private {\n        if (newConfigurator == address(0)) revert ZeroAddress();\n\n        _configurator = newConfigurator;\n        emit ConfiguratorChanged(newConfigurator);\n    }\n\n    /**\n     * @notice Sets a new name for the token, only owner can call\n     * @dev WARNING: Changing the name alters the EIP-712 domain separator which\n     *      will invalidate any existing off-chain ERC-2612 signatures. Indexers and\n     *      off-chain metadata caches may also lag or cache the previous name.\n     * @param newName New name for the token\n     */\n    function setName(string memory newName) external onlyOwner {\n        _setName(newName);\n    }\n\n    function _setName(string memory newName) private {\n        _name = newName;\n        emit NameChanged(newName);\n    }\n\n    /**\n     * @notice Sets a new symbol for the token, only owner can call\n     * @dev WARNING: Some indexers and off-chain metadata caches may not update\n     *      immediately when the symbol changes; frontends relying on cached data\n     *      may show stale symbols until refreshed.\n     * @param newSymbol New symbol for the token\n     */\n    function setSymbol(string memory newSymbol) external onlyOwner {\n        _setSymbol(newSymbol);\n    }\n\n    function _setSymbol(string memory newSymbol) private {\n        _symbol = newSymbol;\n        emit SymbolChanged(newSymbol);\n    }\n\n    // -------- ERC20Permit with dynamic EIP-712 domain (recomputed on name change) --------\n\n    // keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\")\n    bytes32 private constant _EIP712_DOMAIN_TYPEHASH =\n        0x8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f;\n\n    // keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\")\n    bytes32 private constant _PERMIT_TYPEHASH =\n        0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;\n\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view override(ERC20Permit) returns (bytes32) {\n        return _domainSeparatorDynamic();\n    }\n\n    function _domainSeparatorDynamic() internal view returns (bytes32) {\n        return keccak256(\n            abi.encode(\n                _EIP712_DOMAIN_TYPEHASH,\n                keccak256(bytes(name())),\n                keccak256(bytes(\"1\")),\n                block.chainid,\n                address(this)\n            )\n        );\n    }\n\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) public virtual override(ERC20Permit) {\n        if (block.timestamp > deadline) {\n            // match OZ revert type for compatibility\n            revert ERC2612ExpiredSignature(deadline);\n        }\n\n        uint256 nonce = nonces(owner);\n        bytes32 structHash = keccak256(\n            abi.encode(_PERMIT_TYPEHASH, owner, spender, value, nonce, deadline)\n        );\n\n        bytes32 digest = keccak256(abi.encodePacked(\"\\x19\\x01\", _domainSeparatorDynamic(), structHash));\n\n        address signer = ECDSA.recover(digest, v, r, s);\n        if (signer != owner) {\n            revert ERC2612InvalidSigner(signer, owner);\n        }\n\n        uint256 usedNonce = _useNonce(owner);\n        if (usedNonce != nonce) revert ERC2612InvalidNonce(usedNonce, nonce);\n\n        _approve(owner, spender, value);\n    }\n\n    // -------- EIP-5267 dynamic eip712Domain() to mirror dynamic name() --------\n\n    function eip712Domain()\n        public\n        view\n        override(EIP712)\n        returns (\n            bytes1 fields,\n            string memory name_,\n            string memory version,\n            uint256 chainId,\n            address verifyingContract,\n            bytes32 salt,\n            uint256[] memory extensions\n        )\n    {\n        // 0x0f => name, version, chainId, verifyingContract present\n        return (\n            hex\"0f\",\n            name(),\n            \"1\",\n            block.chainid,\n            address(this),\n            bytes32(0),\n            new uint256[](0)\n        );\n    }\n\n    /**\n     * @notice ERC-1271-aware permit overload.\n     * @dev Accepts a single signature blob. If `owner` is a contract, validates the\n     *      signature via ERC-1271. Otherwise, falls back to ECDSA as per ERC-2612.\n     *      Nonces are consumed via {_useNonce} to prevent replay.\n     * @param owner The token owner authorizing the allowance\n     * @param spender The spender to be approved\n     * @param value The allowance amount\n     * @param deadline The timestamp after which the signature is invalid\n     * @param signature The signature bytes (65-byte ECDSA or EIP-2098; arbitrary for 1271)\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        bytes calldata signature\n    ) public virtual {\n        if (block.timestamp > deadline) {\n            revert ERC2612ExpiredSignature(deadline);\n        }\n\n        uint256 nonce = nonces(owner);\n        bytes32 structHash = keccak256(\n            abi.encode(_PERMIT_TYPEHASH, owner, spender, value, nonce, deadline)\n        );\n\n        bytes32 digest = keccak256(abi.encodePacked(\"\\x19\\x01\", _domainSeparatorDynamic(), structHash));\n\n        if (owner.code.length > 0) {\n            // ERC-1271 (smart contract wallet) path\n            bytes4 result = IERC1271(owner).isValidSignature(digest, signature);\n            if (result != IERC1271.isValidSignature.selector) {\n                revert ERC2612InvalidSigner(address(0), owner);\n            }\n        } else {\n            // EOA path (ECDSA, supports 65-byte and 64-byte EIP-2098 signatures)\n            address signer = ECDSA.recover(digest, signature);\n            if (signer != owner) {\n                revert ERC2612InvalidSigner(signer, owner);\n            }\n        }\n\n        uint256 usedNonce = _useNonce(owner);\n        if (usedNonce != nonce) revert ERC2612InvalidNonce(usedNonce, nonce);\n\n        _approve(owner, spender, value);\n    }\n\n    /**\n     * @dev While paused, blocks transfers except for the following cases:\n     *      - The LayerZero `endpoint` is the caller (cross-chain delivery).\n     *      - The caller is the `configurator`.\n     *      - Either `from` or `to` equals the `configurator` address.\n     *      Note: Approvals and permits are not blocked by pause and can be\n     *      used to set allowances while paused. Combined with the caller\n     *      exception above, this means the `configurator` can execute\n     *      `transferFrom` between third parties during a pause if allowances\n     *      are in place. This is intentional for operational recovery; review\n     *      if stricter freeze semantics are desired.\n     * @dev See {ERC20-_update}.\n     * @param from Sender address\n     * @param to Recipient address\n     * @param value Amount of tokens\n     */\n    function _update(\n        address from,\n        address to,\n        uint256 value\n    ) internal override {\n        if (!paused()) {\n            super._update(from, to, value);\n            return;\n        }\n\n        address ftConfigurator = _configurator;\n        if (from == ftConfigurator || to == ftConfigurator) {\n            super._update(from, to, value);\n            return;\n        }\n\n        address sender = _msgSender();\n        if (sender == address(endpoint) || sender == ftConfigurator) {\n            super._update(from, to, value);\n            return;\n        }\n\n        revert EnforcedPause();\n    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SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC20} from \"../token/ERC20/IERC20.sol\";\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/IMessageLibManager.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\nstruct SetConfigParam {\n    uint32 eid;\n    uint32 configType;\n    bytes config;\n}\n\ninterface IMessageLibManager {\n    struct Timeout {\n        address lib;\n        uint256 expiry;\n    }\n\n    event LibraryRegistered(address newLib);\n    event DefaultSendLibrarySet(uint32 eid, address newLib);\n    event DefaultReceiveLibrarySet(uint32 eid, address newLib);\n    event DefaultReceiveLibraryTimeoutSet(uint32 eid, address oldLib, uint256 expiry);\n    event SendLibrarySet(address sender, uint32 eid, address newLib);\n    event ReceiveLibrarySet(address receiver, uint32 eid, address newLib);\n    event ReceiveLibraryTimeoutSet(address receiver, uint32 eid, address oldLib, uint256 timeout);\n\n    function registerLibrary(address _lib) external;\n\n    function isRegisteredLibrary(address _lib) external view returns (bool);\n\n    function getRegisteredLibraries() external view returns (address[] memory);\n\n    function setDefaultSendLibrary(uint32 _eid, address _newLib) external;\n\n    function defaultSendLibrary(uint32 _eid) external view returns (address);\n\n    function setDefaultReceiveLibrary(uint32 _eid, address _newLib, uint256 _gracePeriod) external;\n\n    function defaultReceiveLibrary(uint32 _eid) external view returns (address);\n\n    function setDefaultReceiveLibraryTimeout(uint32 _eid, address _lib, uint256 _expiry) external;\n\n    function defaultReceiveLibraryTimeout(uint32 _eid) external view returns (address lib, uint256 expiry);\n\n    function isSupportedEid(uint32 _eid) external view returns (bool);\n\n    function isValidReceiveLibrary(address _receiver, uint32 _eid, address _lib) external view returns (bool);\n\n    /// ------------------- OApp interfaces -------------------\n    function setSendLibrary(address _oapp, uint32 _eid, address _newLib) external;\n\n    function getSendLibrary(address _sender, uint32 _eid) external view returns (address lib);\n\n    function isDefaultSendLibrary(address _sender, uint32 _eid) external view returns (bool);\n\n    function setReceiveLibrary(address _oapp, uint32 _eid, address _newLib, uint256 _gracePeriod) external;\n\n    function getReceiveLibrary(address _receiver, uint32 _eid) external view returns (address lib, bool isDefault);\n\n    function setReceiveLibraryTimeout(address _oapp, uint32 _eid, address _lib, uint256 _expiry) external;\n\n    function receiveLibraryTimeout(address _receiver, uint32 _eid) external view returns (address lib, uint256 expiry);\n\n    function setConfig(address _oapp, address _lib, SetConfigParam[] calldata _params) external;\n\n    function getConfig(\n        address _oapp,\n        address _lib,\n        uint32 _eid,\n        uint32 _configType\n    ) external view returns (bytes memory config);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/cryptography/EIP712.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.20;\n\nimport {MessageHashUtils} from \"./MessageHashUtils.sol\";\nimport {ShortStrings, ShortString} from \"../ShortStrings.sol\";\nimport {IERC5267} from \"../../interfaces/IERC5267.sol\";\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-712[EIP-712] is a standard for hashing and signing of typed structured data.\n *\n * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose\n * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract\n * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to\n * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`.\n *\n * This contract implements the EIP-712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n *\n * The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n *\n * NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n *\n * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n *\n * @custom:oz-upgrades-unsafe-allow state-variable-immutable\n */\nabstract contract EIP712 is IERC5267 {\n    using ShortStrings for *;\n\n    bytes32 private constant TYPE_HASH =\n        keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n    // invalidate the cached domain separator if the chain id changes.\n    bytes32 private immutable _cachedDomainSeparator;\n    uint256 private immutable _cachedChainId;\n    address private immutable _cachedThis;\n\n    bytes32 private immutable _hashedName;\n    bytes32 private immutable _hashedVersion;\n\n    ShortString private immutable _name;\n    ShortString private immutable _version;\n    // slither-disable-next-line constable-states\n    string private _nameFallback;\n    // slither-disable-next-line constable-states\n    string private _versionFallback;\n\n    /**\n     * @dev Initializes the domain separator and parameter caches.\n     *\n     * The meaning of `name` and `version` is specified in\n     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP-712]:\n     *\n     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n     * - `version`: the current major version of the signing domain.\n     *\n     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n     * contract upgrade].\n     */\n    constructor(string memory name, string memory version) {\n        _name = name.toShortStringWithFallback(_nameFallback);\n        _version = version.toShortStringWithFallback(_versionFallback);\n        _hashedName = keccak256(bytes(name));\n        _hashedVersion = keccak256(bytes(version));\n\n        _cachedChainId = block.chainid;\n        _cachedDomainSeparator = _buildDomainSeparator();\n        _cachedThis = address(this);\n    }\n\n    /**\n     * @dev Returns the domain separator for the current chain.\n     */\n    function _domainSeparatorV4() internal view returns (bytes32) {\n        if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n            return _cachedDomainSeparator;\n        } else {\n            return _buildDomainSeparator();\n        }\n    }\n\n    function _buildDomainSeparator() private view returns (bytes32) {\n        return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));\n    }\n\n    /**\n     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n     * function returns the hash of the fully encoded EIP712 message for this domain.\n     *\n     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n     *\n     * ```solidity\n     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n     *     keccak256(\"Mail(address to,string contents)\"),\n     *     mailTo,\n     *     keccak256(bytes(mailContents))\n     * )));\n     * address signer = ECDSA.recover(digest, signature);\n     * ```\n     */\n    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n        return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);\n    }\n\n    /// @inheritdoc IERC5267\n    function eip712Domain()\n        public\n        view\n        virtual\n        returns (\n            bytes1 fields,\n            string memory name,\n            string memory version,\n            uint256 chainId,\n            address verifyingContract,\n            bytes32 salt,\n            uint256[] memory extensions\n        )\n    {\n        return (\n            hex\"0f\", // 01111\n            _EIP712Name(),\n            _EIP712Version(),\n            block.chainid,\n            address(this),\n            bytes32(0),\n            new uint256[](0)\n        );\n    }\n\n    /**\n     * @dev The name parameter for the EIP712 domain.\n     *\n     * NOTE: By default this function reads _name which is an immutable value.\n     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function _EIP712Name() internal view returns (string memory) {\n        return _name.toStringWithFallback(_nameFallback);\n    }\n\n    /**\n     * @dev The version parameter for the EIP712 domain.\n     *\n     * NOTE: By default this function reads _version which is an immutable value.\n     * It only reads from storage if necessary (in case the value is too large to fit in a ShortString).\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function _EIP712Version() internal view returns (string memory) {\n        return _version.toStringWithFallback(_versionFallback);\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/IERC5267.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC5267.sol)\n\npragma solidity >=0.4.16;\n\ninterface IERC5267 {\n    /**\n     * @dev MAY be emitted to signal that the domain could have changed.\n     */\n    event EIP712DomainChanged();\n\n    /**\n     * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n     * signature.\n     */\n    function eip712Domain()\n        external\n        view\n        returns (\n            bytes1 fields,\n            string memory name,\n            string memory version,\n            uint256 chainId,\n            address verifyingContract,\n            bytes32 salt,\n            uint256[] memory extensions\n        );\n}\n"},{"file_path":"@openzeppelin/contracts/utils/cryptography/ECDSA.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n    enum RecoverError {\n        NoError,\n        InvalidSignature,\n        InvalidSignatureLength,\n        InvalidSignatureS\n    }\n\n    /**\n     * @dev The signature derives the `address(0)`.\n     */\n    error ECDSAInvalidSignature();\n\n    /**\n     * @dev The signature has an invalid length.\n     */\n    error ECDSAInvalidSignatureLength(uint256 length);\n\n    /**\n     * @dev The signature has an S value that is in the upper half order.\n     */\n    error ECDSAInvalidSignatureS(bytes32 s);\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n     * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n     * and a bytes32 providing additional information about the error.\n     *\n     * If no error is returned, then the address can be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     *\n     * Documentation for signature generation:\n     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n     */\n    function tryRecover(\n        bytes32 hash,\n        bytes memory signature\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        if (signature.length == 65) {\n            bytes32 r;\n            bytes32 s;\n            uint8 v;\n            // ecrecover takes the signature parameters, and the only way to get them\n            // currently is to use assembly.\n            assembly (\"memory-safe\") {\n                r := mload(add(signature, 0x20))\n                s := mload(add(signature, 0x40))\n                v := byte(0, mload(add(signature, 0x60)))\n            }\n            return tryRecover(hash, v, r, s);\n        } else {\n            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature`. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     */\n    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n     *\n     * See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures]\n     */\n    function tryRecover(\n        bytes32 hash,\n        bytes32 r,\n        bytes32 vs\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        unchecked {\n            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n            // We do not check for an overflow here since the shift operation results in 0 or 1.\n            uint8 v = uint8((uint256(vs) >> 255) + 27);\n            return tryRecover(hash, v, r, s);\n        }\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n     */\n    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function tryRecover(\n        bytes32 hash,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) {\n        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n        // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n        //\n        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n        // these malleable signatures as well.\n        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n            return (address(0), RecoverError.InvalidSignatureS, s);\n        }\n\n        // If the signature is valid (and not malleable), return the signer address\n        address signer = ecrecover(hash, v, r, s);\n        if (signer == address(0)) {\n            return (address(0), RecoverError.InvalidSignature, bytes32(0));\n        }\n\n        return (signer, RecoverError.NoError, bytes32(0));\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n     */\n    function _throwError(RecoverError error, bytes32 errorArg) private pure {\n        if (error == RecoverError.NoError) {\n            return; // no error: do nothing\n        } else if (error == RecoverError.InvalidSignature) {\n            revert ECDSAInvalidSignature();\n        } else if (error == RecoverError.InvalidSignatureLength) {\n            revert ECDSAInvalidSignatureLength(uint256(errorArg));\n        } else if (error == RecoverError.InvalidSignatureS) {\n            revert ECDSAInvalidSignatureS(errorArg);\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/precrime/interfaces/IOAppPreCrimeSimulator.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\n// @dev Import the Origin so it's exposed to OAppPreCrimeSimulator implementers.\n// solhint-disable-next-line no-unused-import\nimport { InboundPacket, Origin } from \"../libs/Packet.sol\";\n\n/**\n * @title IOAppPreCrimeSimulator Interface\n * @dev Interface for the preCrime simulation functionality in an OApp.\n */\ninterface IOAppPreCrimeSimulator {\n    // @dev simulation result used in PreCrime implementation\n    error SimulationResult(bytes result);\n    error OnlySelf();\n\n    /**\n     * @dev Emitted when the preCrime contract address is set.\n     * @param preCrimeAddress The address of the preCrime contract.\n     */\n    event PreCrimeSet(address preCrimeAddress);\n\n    /**\n     * @dev Retrieves the address of the preCrime contract implementation.\n     * @return The address of the preCrime contract.\n     */\n    function preCrime() external view returns (address);\n\n    /**\n     * @dev Retrieves the address of the OApp contract.\n     * @return The address of the OApp contract.\n     */\n    function oApp() external view returns (address);\n\n    /**\n     * @dev Sets the preCrime contract address.\n     * @param _preCrime The address of the preCrime contract.\n     */\n    function setPreCrime(address _preCrime) external;\n\n    /**\n     * @dev Mocks receiving a packet, then reverts with a series of data to infer the state/result.\n     * @param _packets An array of LayerZero InboundPacket objects representing received packets.\n     */\n    function lzReceiveAndRevert(InboundPacket[] calldata _packets) external payable;\n\n    /**\n     * @dev checks if the specified peer is considered 'trusted' by the OApp.\n     * @param _eid The endpoint Id to check.\n     * @param _peer The peer to check.\n     * @return Whether the peer passed is considered 'trusted' by the OApp.\n     */\n    function isPeer(uint32 _eid, bytes32 _peer) external view returns (bool);\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/ERC20Permit.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20Permit} from \"./IERC20Permit.sol\";\nimport {ERC20} from \"../ERC20.sol\";\nimport {ECDSA} from \"../../../utils/cryptography/ECDSA.sol\";\nimport {EIP712} from \"../../../utils/cryptography/EIP712.sol\";\nimport {Nonces} from \"../../../utils/Nonces.sol\";\n\n/**\n * @dev Implementation of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC-20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\nabstract contract ERC20Permit is ERC20, IERC20Permit, EIP712, Nonces {\n    bytes32 private constant PERMIT_TYPEHASH =\n        keccak256(\"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\");\n\n    /**\n     * @dev Permit deadline has expired.\n     */\n    error ERC2612ExpiredSignature(uint256 deadline);\n\n    /**\n     * @dev Mismatched signature.\n     */\n    error ERC2612InvalidSigner(address signer, address owner);\n\n    /**\n     * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `\"1\"`.\n     *\n     * It's a good idea to use the same `name` that is defined as the ERC-20 token name.\n     */\n    constructor(string memory name) EIP712(name, \"1\") {}\n\n    /// @inheritdoc IERC20Permit\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) public virtual {\n        if (block.timestamp > deadline) {\n            revert ERC2612ExpiredSignature(deadline);\n        }\n\n        bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));\n\n        bytes32 hash = _hashTypedDataV4(structHash);\n\n        address signer = ECDSA.recover(hash, v, r, s);\n        if (signer != owner) {\n            revert ERC2612InvalidSigner(signer, owner);\n        }\n\n        _approve(owner, spender, value);\n    }\n\n    /// @inheritdoc IERC20Permit\n    function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) {\n        return super.nonces(owner);\n    }\n\n    /// @inheritdoc IERC20Permit\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {\n        return _domainSeparatorV4();\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppReceiver.sol","source_code":"// SPDX-License-Identifier: MIT\npragma solidity ^0.8.20;\n\nimport { ILayerZeroReceiver, Origin } from \"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroReceiver.sol\";\n\ninterface IOAppReceiver is ILayerZeroReceiver {\n    /**\n     * @notice Indicates whether an address is an approved composeMsg sender to the Endpoint.\n     * @param _origin The origin information containing the source endpoint and sender address.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address on the src chain.\n     *  - nonce: The nonce of the message.\n     * @param _message The lzReceive payload.\n     * @param _sender The sender address.\n     * @return isSender Is a valid sender.\n     *\n     * @dev Applications can optionally choose to implement a separate composeMsg sender that is NOT the bridging layer.\n     * @dev The default sender IS the OAppReceiver implementer.\n     */\n    function isComposeMsgSender(\n        Origin calldata _origin,\n        bytes calldata _message,\n        address _sender\n    ) external view returns (bool isSender);\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/OAppReceiver.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { IOAppReceiver, Origin } from \"./interfaces/IOAppReceiver.sol\";\nimport { OAppCore } from \"./OAppCore.sol\";\n\n/**\n * @title OAppReceiver\n * @dev Abstract contract implementing the ILayerZeroReceiver interface and extending OAppCore for OApp receivers.\n */\nabstract contract OAppReceiver is IOAppReceiver, OAppCore {\n    // Custom error message for when the caller is not the registered endpoint/\n    error OnlyEndpoint(address addr);\n\n    // @dev The version of the OAppReceiver implementation.\n    // @dev Version is bumped when changes are made to this contract.\n    uint64 internal constant RECEIVER_VERSION = 2;\n\n    /**\n     * @notice Retrieves the OApp version information.\n     * @return senderVersion The version of the OAppSender.sol contract.\n     * @return receiverVersion The version of the OAppReceiver.sol contract.\n     *\n     * @dev Providing 0 as the default for OAppSender version. Indicates that the OAppSender is not implemented.\n     * ie. this is a RECEIVE only OApp.\n     * @dev If the OApp uses both OAppSender and OAppReceiver, then this needs to be override returning the correct versions.\n     */\n    function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {\n        return (0, RECEIVER_VERSION);\n    }\n\n    /**\n     * @notice Indicates whether an address is an approved composeMsg sender to the Endpoint.\n     * @dev _origin The origin information containing the source endpoint and sender address.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address on the src chain.\n     *  - nonce: The nonce of the message.\n     * @dev _message The lzReceive payload.\n     * @param _sender The sender address.\n     * @return isSender Is a valid sender.\n     *\n     * @dev Applications can optionally choose to implement separate composeMsg senders that are NOT the bridging layer.\n     * @dev The default sender IS the OAppReceiver implementer.\n     */\n    function isComposeMsgSender(\n        Origin calldata /*_origin*/,\n        bytes calldata /*_message*/,\n        address _sender\n    ) public view virtual returns (bool) {\n        return _sender == address(this);\n    }\n\n    /**\n     * @notice Checks if the path initialization is allowed based on the provided origin.\n     * @param origin The origin information containing the source endpoint and sender address.\n     * @return Whether the path has been initialized.\n     *\n     * @dev This indicates to the endpoint that the OApp has enabled msgs for this particular path to be received.\n     * @dev This defaults to assuming if a peer has been set, its initialized.\n     * Can be overridden by the OApp if there is other logic to determine this.\n     */\n    function allowInitializePath(Origin calldata origin) public view virtual returns (bool) {\n        return peers[origin.srcEid] == origin.sender;\n    }\n\n    /**\n     * @notice Retrieves the next nonce for a given source endpoint and sender address.\n     * @dev _srcEid The source endpoint ID.\n     * @dev _sender The sender address.\n     * @return nonce The next nonce.\n     *\n     * @dev The path nonce starts from 1. If 0 is returned it means that there is NO nonce ordered enforcement.\n     * @dev Is required by the off-chain executor to determine the OApp expects msg execution is ordered.\n     * @dev This is also enforced by the OApp.\n     * @dev By default this is NOT enabled. ie. nextNonce is hardcoded to return 0.\n     */\n    function nextNonce(uint32 /*_srcEid*/, bytes32 /*_sender*/) public view virtual returns (uint64 nonce) {\n        return 0;\n    }\n\n    /**\n     * @dev Entry point for receiving messages or packets from the endpoint.\n     * @param _origin The origin information containing the source endpoint and sender address.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address on the src chain.\n     *  - nonce: The nonce of the message.\n     * @param _guid The unique identifier for the received LayerZero message.\n     * @param _message The payload of the received message.\n     * @param _executor The address of the executor for the received message.\n     * @param _extraData Additional arbitrary data provided by the corresponding executor.\n     *\n     * @dev Entry point for receiving msg/packet from the LayerZero endpoint.\n     */\n    function lzReceive(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) public payable virtual {\n        // Ensures that only the endpoint can attempt to lzReceive() messages to this OApp.\n        if (address(endpoint) != msg.sender) revert OnlyEndpoint(msg.sender);\n\n        // Ensure that the sender matches the expected peer for the source endpoint.\n        if (_getPeerOrRevert(_origin.srcEid) != _origin.sender) revert OnlyPeer(_origin.srcEid, _origin.sender);\n\n        // Call the internal OApp implementation of lzReceive.\n        _lzReceive(_origin, _guid, _message, _executor, _extraData);\n    }\n\n    /**\n     * @dev Internal function to implement lzReceive logic without needing to copy the basic parameter validation.\n     */\n    function _lzReceive(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) internal virtual;\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/libs/OAppOptionsType3.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { IOAppOptionsType3, EnforcedOptionParam } from \"../interfaces/IOAppOptionsType3.sol\";\n\n/**\n * @title OAppOptionsType3\n * @dev Abstract contract implementing the IOAppOptionsType3 interface with type 3 options.\n */\nabstract contract OAppOptionsType3 is IOAppOptionsType3, Ownable {\n    uint16 internal constant OPTION_TYPE_3 = 3;\n\n    // @dev The \"msgType\" should be defined in the child contract.\n    mapping(uint32 eid => mapping(uint16 msgType => bytes enforcedOption)) public enforcedOptions;\n\n    /**\n     * @dev Sets the enforced options for specific endpoint and message type combinations.\n     * @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.\n     *\n     * @dev Only the owner/admin of the OApp can call this function.\n     * @dev Provides a way for the OApp to enforce things like paying for PreCrime, AND/OR minimum dst lzReceive gas amounts etc.\n     * @dev These enforced options can vary as the potential options/execution on the remote may differ as per the msgType.\n     * eg. Amount of lzReceive() gas necessary to deliver a lzCompose() message adds overhead you dont want to pay\n     * if you are only making a standard LayerZero message ie. lzReceive() WITHOUT sendCompose().\n     */\n    function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) public virtual onlyOwner {\n        _setEnforcedOptions(_enforcedOptions);\n    }\n\n    /**\n     * @dev Sets the enforced options for specific endpoint and message type combinations.\n     * @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.\n     *\n     * @dev Provides a way for the OApp to enforce things like paying for PreCrime, AND/OR minimum dst lzReceive gas amounts etc.\n     * @dev These enforced options can vary as the potential options/execution on the remote may differ as per the msgType.\n     * eg. Amount of lzReceive() gas necessary to deliver a lzCompose() message adds overhead you dont want to pay\n     * if you are only making a standard LayerZero message ie. lzReceive() WITHOUT sendCompose().\n     */\n    function _setEnforcedOptions(EnforcedOptionParam[] memory _enforcedOptions) internal virtual {\n        for (uint256 i = 0; i < _enforcedOptions.length; i++) {\n            // @dev Enforced options are only available for optionType 3, as type 1 and 2 dont support combining.\n            _assertOptionsType3(_enforcedOptions[i].options);\n            enforcedOptions[_enforcedOptions[i].eid][_enforcedOptions[i].msgType] = _enforcedOptions[i].options;\n        }\n\n        emit EnforcedOptionSet(_enforcedOptions);\n    }\n\n    /**\n     * @notice Combines options for a given endpoint and message type.\n     * @param _eid The endpoint ID.\n     * @param _msgType The OAPP message type.\n     * @param _extraOptions Additional options passed by the caller.\n     * @return options The combination of caller specified options AND enforced options.\n     *\n     * @dev If there is an enforced lzReceive option:\n     * - {gasLimit: 200k, msg.value: 1 ether} AND a caller supplies a lzReceive option: {gasLimit: 100k, msg.value: 0.5 ether}\n     * - The resulting options will be {gasLimit: 300k, msg.value: 1.5 ether} when the message is executed on the remote lzReceive() function.\n     * @dev This presence of duplicated options is handled off-chain in the verifier/executor.\n     */\n    function combineOptions(\n        uint32 _eid,\n        uint16 _msgType,\n        bytes calldata _extraOptions\n    ) public view virtual returns (bytes memory) {\n        bytes memory enforced = enforcedOptions[_eid][_msgType];\n\n        // No enforced options, pass whatever the caller supplied, even if it's empty or legacy type 1/2 options.\n        if (enforced.length == 0) return _extraOptions;\n\n        // No caller options, return enforced\n        if (_extraOptions.length == 0) return enforced;\n\n        // @dev If caller provided _extraOptions, must be type 3 as its the ONLY type that can be combined.\n        if (_extraOptions.length >= 2) {\n            _assertOptionsType3(_extraOptions);\n            // @dev Remove the first 2 bytes containing the type from the _extraOptions and combine with enforced.\n            return bytes.concat(enforced, _extraOptions[2:]);\n        }\n\n        // No valid set of options was found.\n        revert InvalidOptions(_extraOptions);\n    }\n\n    /**\n     * @dev Internal function to assert that options are of type 3.\n     * @param _options The options to be checked.\n     */\n    function _assertOptionsType3(bytes memory _options) internal pure virtual {\n        uint16 optionsType;\n        assembly {\n            optionsType := mload(add(_options, 2))\n        }\n        if (optionsType != OPTION_TYPE_3) revert InvalidOptions(_options);\n    }\n}\n"},{"file_path":"@layerzerolabs/oft-evm/contracts/libs/OFTMsgCodec.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nlibrary OFTMsgCodec {\n    // Offset constants for encoding and decoding OFT messages\n    uint8 private constant SEND_TO_OFFSET = 32;\n    uint8 private constant SEND_AMOUNT_SD_OFFSET = 40;\n\n    /**\n     * @dev Encodes an OFT LayerZero message.\n     * @param _sendTo The recipient address.\n     * @param _amountShared The amount in shared decimals.\n     * @param _composeMsg The composed message.\n     * @return _msg The encoded message.\n     * @return hasCompose A boolean indicating whether the message has a composed payload.\n     */\n    function encode(\n        bytes32 _sendTo,\n        uint64 _amountShared,\n        bytes memory _composeMsg\n    ) internal view returns (bytes memory _msg, bool hasCompose) {\n        hasCompose = _composeMsg.length > 0;\n        // @dev Remote chains will want to know the composed function caller ie. msg.sender on the src.\n        _msg = hasCompose\n            ? abi.encodePacked(_sendTo, _amountShared, addressToBytes32(msg.sender), _composeMsg)\n            : abi.encodePacked(_sendTo, _amountShared);\n    }\n\n    /**\n     * @dev Checks if the OFT message is composed.\n     * @param _msg The OFT message.\n     * @return A boolean indicating whether the message is composed.\n     */\n    function isComposed(bytes calldata _msg) internal pure returns (bool) {\n        return _msg.length > SEND_AMOUNT_SD_OFFSET;\n    }\n\n    /**\n     * @dev Retrieves the recipient address from the OFT message.\n     * @param _msg The OFT message.\n     * @return The recipient address.\n     */\n    function sendTo(bytes calldata _msg) internal pure returns (bytes32) {\n        return bytes32(_msg[:SEND_TO_OFFSET]);\n    }\n\n    /**\n     * @dev Retrieves the amount in shared decimals from the OFT message.\n     * @param _msg The OFT message.\n     * @return The amount in shared decimals.\n     */\n    function amountSD(bytes calldata _msg) internal pure returns (uint64) {\n        return uint64(bytes8(_msg[SEND_TO_OFFSET:SEND_AMOUNT_SD_OFFSET]));\n    }\n\n    /**\n     * @dev Retrieves the composed message from the OFT message.\n     * @param _msg The OFT message.\n     * @return The composed message.\n     */\n    function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {\n        return _msg[SEND_AMOUNT_SD_OFFSET:];\n    }\n\n    /**\n     * @dev Converts an address to bytes32.\n     * @param _addr The address to convert.\n     * @return The bytes32 representation of the address.\n     */\n    function addressToBytes32(address _addr) internal pure returns (bytes32) {\n        return bytes32(uint256(uint160(_addr)));\n    }\n\n    /**\n     * @dev Converts bytes32 to an address.\n     * @param _b The bytes32 value to convert.\n     * @return The address representation of bytes32.\n     */\n    function bytes32ToAddress(bytes32 _b) internal pure returns (address) {\n        return address(uint160(uint256(_b)));\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/utils/math/SafeCast.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow\n * checks.\n *\n * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n *\n * Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n */\nlibrary SafeCast {\n    /**\n     * @dev Value doesn't fit in an uint of `bits` size.\n     */\n    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n    /**\n     * @dev An int value doesn't fit in an uint of `bits` size.\n     */\n    error SafeCastOverflowedIntToUint(int256 value);\n\n    /**\n     * @dev Value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n    /**\n     * @dev An uint value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedUintToInt(uint256 value);\n\n    /**\n     * @dev Returns the downcasted uint248 from uint256, reverting on\n     * overflow (when the input is greater than largest uint248).\n     *\n     * Counterpart to Solidity's `uint248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toUint248(uint256 value) internal pure returns (uint248) {\n        if (value > type(uint248).max) {\n            revert SafeCastOverflowedUintDowncast(248, value);\n        }\n        return uint248(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint240 from uint256, reverting on\n     * overflow (when the input is greater than largest uint240).\n     *\n     * Counterpart to Solidity's `uint240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toUint240(uint256 value) internal pure returns (uint240) {\n        if (value > type(uint240).max) {\n            revert SafeCastOverflowedUintDowncast(240, value);\n        }\n        return uint240(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint232 from uint256, reverting on\n     * overflow (when the input is greater than largest uint232).\n     *\n     * Counterpart to Solidity's `uint232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toUint232(uint256 value) internal pure returns (uint232) {\n        if (value > type(uint232).max) {\n            revert SafeCastOverflowedUintDowncast(232, value);\n        }\n        return uint232(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint224 from uint256, reverting on\n     * overflow (when the input is greater than largest uint224).\n     *\n     * Counterpart to Solidity's `uint224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toUint224(uint256 value) internal pure returns (uint224) {\n        if (value > type(uint224).max) {\n            revert SafeCastOverflowedUintDowncast(224, value);\n        }\n        return uint224(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint216 from uint256, reverting on\n     * overflow (when the input is greater than largest uint216).\n     *\n     * Counterpart to Solidity's `uint216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toUint216(uint256 value) internal pure returns (uint216) {\n        if (value > type(uint216).max) {\n            revert SafeCastOverflowedUintDowncast(216, value);\n        }\n        return uint216(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint208 from uint256, reverting on\n     * overflow (when the input is greater than largest uint208).\n     *\n     * Counterpart to Solidity's `uint208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toUint208(uint256 value) internal pure returns (uint208) {\n        if (value > type(uint208).max) {\n            revert SafeCastOverflowedUintDowncast(208, value);\n        }\n        return uint208(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint200 from uint256, reverting on\n     * overflow (when the input is greater than largest uint200).\n     *\n     * Counterpart to Solidity's `uint200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toUint200(uint256 value) internal pure returns (uint200) {\n        if (value > type(uint200).max) {\n            revert SafeCastOverflowedUintDowncast(200, value);\n        }\n        return uint200(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint192 from uint256, reverting on\n     * overflow (when the input is greater than largest uint192).\n     *\n     * Counterpart to Solidity's `uint192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toUint192(uint256 value) internal pure returns (uint192) {\n        if (value > type(uint192).max) {\n            revert SafeCastOverflowedUintDowncast(192, value);\n        }\n        return uint192(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint184 from uint256, reverting on\n     * overflow (when the input is greater than largest uint184).\n     *\n     * Counterpart to Solidity's `uint184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toUint184(uint256 value) internal pure returns (uint184) {\n        if (value > type(uint184).max) {\n            revert SafeCastOverflowedUintDowncast(184, value);\n        }\n        return uint184(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint176 from uint256, reverting on\n     * overflow (when the input is greater than largest uint176).\n     *\n     * Counterpart to Solidity's `uint176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toUint176(uint256 value) internal pure returns (uint176) {\n        if (value > type(uint176).max) {\n            revert SafeCastOverflowedUintDowncast(176, value);\n        }\n        return uint176(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint168 from uint256, reverting on\n     * overflow (when the input is greater than largest uint168).\n     *\n     * Counterpart to Solidity's `uint168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toUint168(uint256 value) internal pure returns (uint168) {\n        if (value > type(uint168).max) {\n            revert SafeCastOverflowedUintDowncast(168, value);\n        }\n        return uint168(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint160 from uint256, reverting on\n     * overflow (when the input is greater than largest uint160).\n     *\n     * Counterpart to Solidity's `uint160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toUint160(uint256 value) internal pure returns (uint160) {\n        if (value > type(uint160).max) {\n            revert SafeCastOverflowedUintDowncast(160, value);\n        }\n        return uint160(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint152 from uint256, reverting on\n     * overflow (when the input is greater than largest uint152).\n     *\n     * Counterpart to Solidity's `uint152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toUint152(uint256 value) internal pure returns (uint152) {\n        if (value > type(uint152).max) {\n            revert SafeCastOverflowedUintDowncast(152, value);\n        }\n        return uint152(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint144 from uint256, reverting on\n     * overflow (when the input is greater than largest uint144).\n     *\n     * Counterpart to Solidity's `uint144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toUint144(uint256 value) internal pure returns (uint144) {\n        if (value > type(uint144).max) {\n            revert SafeCastOverflowedUintDowncast(144, value);\n        }\n        return uint144(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint136 from uint256, reverting on\n     * overflow (when the input is greater than largest uint136).\n     *\n     * Counterpart to Solidity's `uint136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toUint136(uint256 value) internal pure returns (uint136) {\n        if (value > type(uint136).max) {\n            revert SafeCastOverflowedUintDowncast(136, value);\n        }\n        return uint136(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint128 from uint256, reverting on\n     * overflow (when the input is greater than largest uint128).\n     *\n     * Counterpart to Solidity's `uint128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toUint128(uint256 value) internal pure returns (uint128) {\n        if (value > type(uint128).max) {\n            revert SafeCastOverflowedUintDowncast(128, value);\n        }\n        return uint128(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint120 from uint256, reverting on\n     * overflow (when the input is greater than largest uint120).\n     *\n     * Counterpart to Solidity's `uint120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toUint120(uint256 value) internal pure returns (uint120) {\n        if (value > type(uint120).max) {\n            revert SafeCastOverflowedUintDowncast(120, value);\n        }\n        return uint120(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint112 from uint256, reverting on\n     * overflow (when the input is greater than largest uint112).\n     *\n     * Counterpart to Solidity's `uint112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toUint112(uint256 value) internal pure returns (uint112) {\n        if (value > type(uint112).max) {\n            revert SafeCastOverflowedUintDowncast(112, value);\n        }\n        return uint112(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint104 from uint256, reverting on\n     * overflow (when the input is greater than largest uint104).\n     *\n     * Counterpart to Solidity's `uint104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toUint104(uint256 value) internal pure returns (uint104) {\n        if (value > type(uint104).max) {\n            revert SafeCastOverflowedUintDowncast(104, value);\n        }\n        return uint104(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint96 from uint256, reverting on\n     * overflow (when the input is greater than largest uint96).\n     *\n     * Counterpart to Solidity's `uint96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toUint96(uint256 value) internal pure returns (uint96) {\n        if (value > type(uint96).max) {\n            revert SafeCastOverflowedUintDowncast(96, value);\n        }\n        return uint96(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint88 from uint256, reverting on\n     * overflow (when the input is greater than largest uint88).\n     *\n     * Counterpart to Solidity's `uint88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toUint88(uint256 value) internal pure returns (uint88) {\n        if (value > type(uint88).max) {\n            revert SafeCastOverflowedUintDowncast(88, value);\n        }\n        return uint88(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint80 from uint256, reverting on\n     * overflow (when the input is greater than largest uint80).\n     *\n     * Counterpart to Solidity's `uint80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toUint80(uint256 value) internal pure returns (uint80) {\n        if (value > type(uint80).max) {\n            revert SafeCastOverflowedUintDowncast(80, value);\n        }\n        return uint80(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint72 from uint256, reverting on\n     * overflow (when the input is greater than largest uint72).\n     *\n     * Counterpart to Solidity's `uint72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toUint72(uint256 value) internal pure returns (uint72) {\n        if (value > type(uint72).max) {\n            revert SafeCastOverflowedUintDowncast(72, value);\n        }\n        return uint72(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint64 from uint256, reverting on\n     * overflow (when the input is greater than largest uint64).\n     *\n     * Counterpart to Solidity's `uint64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toUint64(uint256 value) internal pure returns (uint64) {\n        if (value > type(uint64).max) {\n            revert SafeCastOverflowedUintDowncast(64, value);\n        }\n        return uint64(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint56 from uint256, reverting on\n     * overflow (when the input is greater than largest uint56).\n     *\n     * Counterpart to Solidity's `uint56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toUint56(uint256 value) internal pure returns (uint56) {\n        if (value > type(uint56).max) {\n            revert SafeCastOverflowedUintDowncast(56, value);\n        }\n        return uint56(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint48 from uint256, reverting on\n     * overflow (when the input is greater than largest uint48).\n     *\n     * Counterpart to Solidity's `uint48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toUint48(uint256 value) internal pure returns (uint48) {\n        if (value > type(uint48).max) {\n            revert SafeCastOverflowedUintDowncast(48, value);\n        }\n        return uint48(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint40 from uint256, reverting on\n     * overflow (when the input is greater than largest uint40).\n     *\n     * Counterpart to Solidity's `uint40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toUint40(uint256 value) internal pure returns (uint40) {\n        if (value > type(uint40).max) {\n            revert SafeCastOverflowedUintDowncast(40, value);\n        }\n        return uint40(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint32 from uint256, reverting on\n     * overflow (when the input is greater than largest uint32).\n     *\n     * Counterpart to Solidity's `uint32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toUint32(uint256 value) internal pure returns (uint32) {\n        if (value > type(uint32).max) {\n            revert SafeCastOverflowedUintDowncast(32, value);\n        }\n        return uint32(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint24 from uint256, reverting on\n     * overflow (when the input is greater than largest uint24).\n     *\n     * Counterpart to Solidity's `uint24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toUint24(uint256 value) internal pure returns (uint24) {\n        if (value > type(uint24).max) {\n            revert SafeCastOverflowedUintDowncast(24, value);\n        }\n        return uint24(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint16 from uint256, reverting on\n     * overflow (when the input is greater than largest uint16).\n     *\n     * Counterpart to Solidity's `uint16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toUint16(uint256 value) internal pure returns (uint16) {\n        if (value > type(uint16).max) {\n            revert SafeCastOverflowedUintDowncast(16, value);\n        }\n        return uint16(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint8 from uint256, reverting on\n     * overflow (when the input is greater than largest uint8).\n     *\n     * Counterpart to Solidity's `uint8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toUint8(uint256 value) internal pure returns (uint8) {\n        if (value > type(uint8).max) {\n            revert SafeCastOverflowedUintDowncast(8, value);\n        }\n        return uint8(value);\n    }\n\n    /**\n     * @dev Converts a signed int256 into an unsigned uint256.\n     *\n     * Requirements:\n     *\n     * - input must be greater than or equal to 0.\n     */\n    function toUint256(int256 value) internal pure returns (uint256) {\n        if (value < 0) {\n            revert SafeCastOverflowedIntToUint(value);\n        }\n        return uint256(value);\n    }\n\n    /**\n     * @dev Returns the downcasted int248 from int256, reverting on\n     * overflow (when the input is less than smallest int248 or\n     * greater than largest int248).\n     *\n     * Counterpart to Solidity's `int248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toInt248(int256 value) internal pure returns (int248 downcasted) {\n        downcasted = int248(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(248, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int240 from int256, reverting on\n     * overflow (when the input is less than smallest int240 or\n     * greater than largest int240).\n     *\n     * Counterpart to Solidity's `int240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toInt240(int256 value) internal pure returns (int240 downcasted) {\n        downcasted = int240(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(240, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int232 from int256, reverting on\n     * overflow (when the input is less than smallest int232 or\n     * greater than largest int232).\n     *\n     * Counterpart to Solidity's `int232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toInt232(int256 value) internal pure returns (int232 downcasted) {\n        downcasted = int232(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(232, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int224 from int256, reverting on\n     * overflow (when the input is less than smallest int224 or\n     * greater than largest int224).\n     *\n     * Counterpart to Solidity's `int224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toInt224(int256 value) internal pure returns (int224 downcasted) {\n        downcasted = int224(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(224, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int216 from int256, reverting on\n     * overflow (when the input is less than smallest int216 or\n     * greater than largest int216).\n     *\n     * Counterpart to Solidity's `int216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toInt216(int256 value) internal pure returns (int216 downcasted) {\n        downcasted = int216(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(216, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int208 from int256, reverting on\n     * overflow (when the input is less than smallest int208 or\n     * greater than largest int208).\n     *\n     * Counterpart to Solidity's `int208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toInt208(int256 value) internal pure returns (int208 downcasted) {\n        downcasted = int208(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(208, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int200 from int256, reverting on\n     * overflow (when the input is less than smallest int200 or\n     * greater than largest int200).\n     *\n     * Counterpart to Solidity's `int200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toInt200(int256 value) internal pure returns (int200 downcasted) {\n        downcasted = int200(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(200, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int192 from int256, reverting on\n     * overflow (when the input is less than smallest int192 or\n     * greater than largest int192).\n     *\n     * Counterpart to Solidity's `int192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toInt192(int256 value) internal pure returns (int192 downcasted) {\n        downcasted = int192(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(192, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int184 from int256, reverting on\n     * overflow (when the input is less than smallest int184 or\n     * greater than largest int184).\n     *\n     * Counterpart to Solidity's `int184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toInt184(int256 value) internal pure returns (int184 downcasted) {\n        downcasted = int184(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(184, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int176 from int256, reverting on\n     * overflow (when the input is less than smallest int176 or\n     * greater than largest int176).\n     *\n     * Counterpart to Solidity's `int176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toInt176(int256 value) internal pure returns (int176 downcasted) {\n        downcasted = int176(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(176, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int168 from int256, reverting on\n     * overflow (when the input is less than smallest int168 or\n     * greater than largest int168).\n     *\n     * Counterpart to Solidity's `int168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toInt168(int256 value) internal pure returns (int168 downcasted) {\n        downcasted = int168(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(168, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int160 from int256, reverting on\n     * overflow (when the input is less than smallest int160 or\n     * greater than largest int160).\n     *\n     * Counterpart to Solidity's `int160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toInt160(int256 value) internal pure returns (int160 downcasted) {\n        downcasted = int160(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(160, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int152 from int256, reverting on\n     * overflow (when the input is less than smallest int152 or\n     * greater than largest int152).\n     *\n     * Counterpart to Solidity's `int152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toInt152(int256 value) internal pure returns (int152 downcasted) {\n        downcasted = int152(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(152, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int144 from int256, reverting on\n     * overflow (when the input is less than smallest int144 or\n     * greater than largest int144).\n     *\n     * Counterpart to Solidity's `int144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toInt144(int256 value) internal pure returns (int144 downcasted) {\n        downcasted = int144(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(144, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int136 from int256, reverting on\n     * overflow (when the input is less than smallest int136 or\n     * greater than largest int136).\n     *\n     * Counterpart to Solidity's `int136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toInt136(int256 value) internal pure returns (int136 downcasted) {\n        downcasted = int136(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(136, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int128 from int256, reverting on\n     * overflow (when the input is less than smallest int128 or\n     * greater than largest int128).\n     *\n     * Counterpart to Solidity's `int128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toInt128(int256 value) internal pure returns (int128 downcasted) {\n        downcasted = int128(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(128, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int120 from int256, reverting on\n     * overflow (when the input is less than smallest int120 or\n     * greater than largest int120).\n     *\n     * Counterpart to Solidity's `int120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toInt120(int256 value) internal pure returns (int120 downcasted) {\n        downcasted = int120(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(120, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int112 from int256, reverting on\n     * overflow (when the input is less than smallest int112 or\n     * greater than largest int112).\n     *\n     * Counterpart to Solidity's `int112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toInt112(int256 value) internal pure returns (int112 downcasted) {\n        downcasted = int112(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(112, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int104 from int256, reverting on\n     * overflow (when the input is less than smallest int104 or\n     * greater than largest int104).\n     *\n     * Counterpart to Solidity's `int104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toInt104(int256 value) internal pure returns (int104 downcasted) {\n        downcasted = int104(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(104, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int96 from int256, reverting on\n     * overflow (when the input is less than smallest int96 or\n     * greater than largest int96).\n     *\n     * Counterpart to Solidity's `int96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toInt96(int256 value) internal pure returns (int96 downcasted) {\n        downcasted = int96(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(96, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int88 from int256, reverting on\n     * overflow (when the input is less than smallest int88 or\n     * greater than largest int88).\n     *\n     * Counterpart to Solidity's `int88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toInt88(int256 value) internal pure returns (int88 downcasted) {\n        downcasted = int88(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(88, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int80 from int256, reverting on\n     * overflow (when the input is less than smallest int80 or\n     * greater than largest int80).\n     *\n     * Counterpart to Solidity's `int80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toInt80(int256 value) internal pure returns (int80 downcasted) {\n        downcasted = int80(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(80, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int72 from int256, reverting on\n     * overflow (when the input is less than smallest int72 or\n     * greater than largest int72).\n     *\n     * Counterpart to Solidity's `int72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toInt72(int256 value) internal pure returns (int72 downcasted) {\n        downcasted = int72(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(72, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int64 from int256, reverting on\n     * overflow (when the input is less than smallest int64 or\n     * greater than largest int64).\n     *\n     * Counterpart to Solidity's `int64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toInt64(int256 value) internal pure returns (int64 downcasted) {\n        downcasted = int64(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(64, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int56 from int256, reverting on\n     * overflow (when the input is less than smallest int56 or\n     * greater than largest int56).\n     *\n     * Counterpart to Solidity's `int56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toInt56(int256 value) internal pure returns (int56 downcasted) {\n        downcasted = int56(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(56, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int48 from int256, reverting on\n     * overflow (when the input is less than smallest int48 or\n     * greater than largest int48).\n     *\n     * Counterpart to Solidity's `int48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toInt48(int256 value) internal pure returns (int48 downcasted) {\n        downcasted = int48(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(48, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int40 from int256, reverting on\n     * overflow (when the input is less than smallest int40 or\n     * greater than largest int40).\n     *\n     * Counterpart to Solidity's `int40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toInt40(int256 value) internal pure returns (int40 downcasted) {\n        downcasted = int40(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(40, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int32 from int256, reverting on\n     * overflow (when the input is less than smallest int32 or\n     * greater than largest int32).\n     *\n     * Counterpart to Solidity's `int32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toInt32(int256 value) internal pure returns (int32 downcasted) {\n        downcasted = int32(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(32, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int24 from int256, reverting on\n     * overflow (when the input is less than smallest int24 or\n     * greater than largest int24).\n     *\n     * Counterpart to Solidity's `int24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toInt24(int256 value) internal pure returns (int24 downcasted) {\n        downcasted = int24(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(24, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int16 from int256, reverting on\n     * overflow (when the input is less than smallest int16 or\n     * greater than largest int16).\n     *\n     * Counterpart to Solidity's `int16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toInt16(int256 value) internal pure returns (int16 downcasted) {\n        downcasted = int16(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(16, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int8 from int256, reverting on\n     * overflow (when the input is less than smallest int8 or\n     * greater than largest int8).\n     *\n     * Counterpart to Solidity's `int8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toInt8(int256 value) internal pure returns (int8 downcasted) {\n        downcasted = int8(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(8, value);\n        }\n    }\n\n    /**\n     * @dev Converts an unsigned uint256 into a signed int256.\n     *\n     * Requirements:\n     *\n     * - input must be less than or equal to maxInt256.\n     */\n    function toInt256(uint256 value) internal pure returns (int256) {\n        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n        if (value > uint256(type(int256).max)) {\n            revert SafeCastOverflowedUintToInt(value);\n        }\n        return int256(value);\n    }\n\n    /**\n     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.\n     */\n    function toUint(bool b) internal pure returns (uint256 u) {\n        assembly (\"memory-safe\") {\n            u := iszero(iszero(b))\n        }\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/ERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC-20\n * applications.\n */\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n    mapping(address account => uint256) private _balances;\n\n    mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n    uint256 private _totalSupply;\n\n    string private _name;\n    string private _symbol;\n\n    /**\n     * @dev Sets the values for {name} and {symbol}.\n     *\n     * Both values are immutable: they can only be set once during construction.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view virtual returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the\n     * name.\n     */\n    function symbol() public view virtual returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the number of decimals used to get its user representation.\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n     *\n     * Tokens usually opt for a value of 18, imitating the relationship between\n     * Ether and Wei. This is the default value returned by this function, unless\n     * it's overridden.\n     *\n     * NOTE: This information is only used for _display_ purposes: it in\n     * no way affects any of the arithmetic of the contract, including\n     * {IERC20-balanceOf} and {IERC20-transfer}.\n     */\n    function decimals() public view virtual returns (uint8) {\n        return 18;\n    }\n\n    /// @inheritdoc IERC20\n    function totalSupply() public view virtual returns (uint256) {\n        return _totalSupply;\n    }\n\n    /// @inheritdoc IERC20\n    function balanceOf(address account) public view virtual returns (uint256) {\n        return _balances[account];\n    }\n\n    /**\n     * @dev See {IERC20-transfer}.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - the caller must have a balance of at least `value`.\n     */\n    function transfer(address to, uint256 value) public virtual returns (bool) {\n        address owner = _msgSender();\n        _transfer(owner, to, value);\n        return true;\n    }\n\n    /// @inheritdoc IERC20\n    function allowance(address owner, address spender) public view virtual returns (uint256) {\n        return _allowances[owner][spender];\n    }\n\n    /**\n     * @dev See {IERC20-approve}.\n     *\n     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n     * `transferFrom`. This is semantically equivalent to an infinite approval.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function approve(address spender, uint256 value) public virtual returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, value);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-transferFrom}.\n     *\n     * Skips emitting an {Approval} event indicating an allowance update. This is not\n     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].\n     *\n     * NOTE: Does not update the allowance if the current allowance\n     * is the maximum `uint256`.\n     *\n     * Requirements:\n     *\n     * - `from` and `to` cannot be the zero address.\n     * - `from` must have a balance of at least `value`.\n     * - the caller must have allowance for ``from``'s tokens of at least\n     * `value`.\n     */\n    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n        address spender = _msgSender();\n        _spendAllowance(from, spender, value);\n        _transfer(from, to, value);\n        return true;\n    }\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to`.\n     *\n     * This internal function is equivalent to {transfer}, and can be used to\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\n     *\n     * Emits a {Transfer} event.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead.\n     */\n    function _transfer(address from, address to, uint256 value) internal {\n        if (from == address(0)) {\n            revert ERC20InvalidSender(address(0));\n        }\n        if (to == address(0)) {\n            revert ERC20InvalidReceiver(address(0));\n        }\n        _update(from, to, value);\n    }\n\n    /**\n     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n     * this function.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _update(address from, address to, uint256 value) internal virtual {\n        if (from == address(0)) {\n            // Overflow check required: The rest of the code assumes that totalSupply never overflows\n            _totalSupply += value;\n        } else {\n            uint256 fromBalance = _balances[from];\n            if (fromBalance < value) {\n                revert ERC20InsufficientBalance(from, fromBalance, value);\n            }\n            unchecked {\n                // Overflow not possible: value <= fromBalance <= totalSupply.\n                _balances[from] = fromBalance - value;\n            }\n        }\n\n        if (to == address(0)) {\n            unchecked {\n                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n                _totalSupply -= value;\n            }\n        } else {\n            unchecked {\n                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n                _balances[to] += value;\n            }\n        }\n\n        emit Transfer(from, to, value);\n    }\n\n    /**\n     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n     * Relies on the `_update` mechanism\n     *\n     * Emits a {Transfer} event with `from` set to the zero address.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead.\n     */\n    function _mint(address account, uint256 value) internal {\n        if (account == address(0)) {\n            revert ERC20InvalidReceiver(address(0));\n        }\n        _update(address(0), account, value);\n    }\n\n    /**\n     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n     * Relies on the `_update` mechanism.\n     *\n     * Emits a {Transfer} event with `to` set to the zero address.\n     *\n     * NOTE: This function is not virtual, {_update} should be overridden instead\n     */\n    function _burn(address account, uint256 value) internal {\n        if (account == address(0)) {\n            revert ERC20InvalidSender(address(0));\n        }\n        _update(account, address(0), value);\n    }\n\n    /**\n     * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.\n     *\n     * This internal function is equivalent to `approve`, and can be used to\n     * e.g. set automatic allowances for certain subsystems, etc.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `owner` cannot be the zero address.\n     * - `spender` cannot be the zero address.\n     *\n     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n     */\n    function _approve(address owner, address spender, uint256 value) internal {\n        _approve(owner, spender, value, true);\n    }\n\n    /**\n     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n     *\n     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any\n     * `Approval` event during `transferFrom` operations.\n     *\n     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to\n     * true using the following override:\n     *\n     * ```solidity\n     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n     *     super._approve(owner, spender, value, true);\n     * }\n     * ```\n     *\n     * Requirements are the same as {_approve}.\n     */\n    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n        if (owner == address(0)) {\n            revert ERC20InvalidApprover(address(0));\n        }\n        if (spender == address(0)) {\n            revert ERC20InvalidSpender(address(0));\n        }\n        _allowances[owner][spender] = value;\n        if (emitEvent) {\n            emit Approval(owner, spender, value);\n        }\n    }\n\n    /**\n     * @dev Updates `owner`'s allowance for `spender` based on spent `value`.\n     *\n     * Does not update the allowance value in case of infinite allowance.\n     * Revert if not enough allowance is available.\n     *\n     * Does not emit an {Approval} event.\n     */\n    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n        uint256 currentAllowance = allowance(owner, spender);\n        if (currentAllowance < type(uint256).max) {\n            if (currentAllowance < value) {\n                revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n            }\n            unchecked {\n                _approve(owner, spender, currentAllowance - value, false);\n            }\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/IMessagingComposer.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\ninterface IMessagingComposer {\n    event ComposeSent(address from, address to, bytes32 guid, uint16 index, bytes message);\n    event ComposeDelivered(address from, address to, bytes32 guid, uint16 index);\n    event LzComposeAlert(\n        address indexed from,\n        address indexed to,\n        address indexed executor,\n        bytes32 guid,\n        uint16 index,\n        uint256 gas,\n        uint256 value,\n        bytes message,\n        bytes extraData,\n        bytes reason\n    );\n\n    function composeQueue(\n        address _from,\n        address _to,\n        bytes32 _guid,\n        uint16 _index\n    ) external view returns (bytes32 messageHash);\n\n    function sendCompose(address _to, bytes32 _guid, uint16 _index, bytes calldata _message) external;\n\n    function lzCompose(\n        address _from,\n        address _to,\n        bytes32 _guid,\n        uint16 _index,\n        bytes calldata _message,\n        bytes calldata _extraData\n    ) external payable;\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/IMessagingContext.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\ninterface IMessagingContext {\n    function isSendingMessage() external view returns (bool);\n\n    function getSendContext() external view returns (uint32 dstEid, address sender);\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/IMessageLib.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\nimport { IERC165 } from \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\nimport { SetConfigParam } from \"./IMessageLibManager.sol\";\n\nenum MessageLibType {\n    Send,\n    Receive,\n    SendAndReceive\n}\n\ninterface IMessageLib is IERC165 {\n    function setConfig(address _oapp, SetConfigParam[] calldata _config) external;\n\n    function getConfig(uint32 _eid, address _oapp, uint32 _configType) external view returns (bytes memory config);\n\n    function isSupportedEid(uint32 _eid) external view returns (bool);\n\n    // message libs of same major version are compatible\n    function version() external view returns (uint64 major, uint8 minor, uint8 endpointVersion);\n\n    function messageLibType() external view returns (MessageLibType);\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\nimport {IERC1363} from \"../../../interfaces/IERC1363.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC-20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    /**\n     * @dev An operation with an ERC-20 token failed.\n     */\n    error SafeERC20FailedOperation(address token);\n\n    /**\n     * @dev Indicates a failed `decreaseAllowance` request.\n     */\n    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);\n\n    /**\n     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));\n    }\n\n    /**\n     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n     */\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));\n    }\n\n    /**\n     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.\n     */\n    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {\n        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));\n    }\n\n    /**\n     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.\n     */\n    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {\n        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));\n    }\n\n    /**\n     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     *\n     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n     * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n     */\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 oldAllowance = token.allowance(address(this), spender);\n        forceApprove(token, spender, oldAllowance + value);\n    }\n\n    /**\n     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no\n     * value, non-reverting calls are assumed to be successful.\n     *\n     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n     * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n     */\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {\n        unchecked {\n            uint256 currentAllowance = token.allowance(address(this), spender);\n            if (currentAllowance < requestedDecrease) {\n                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);\n            }\n            forceApprove(token, spender, currentAllowance - requestedDecrease);\n        }\n    }\n\n    /**\n     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n     * to be set to zero before setting it to a non-zero value, such as USDT.\n     *\n     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function\n     * only sets the \"standard\" allowance. Any temporary allowance will remain active, in addition to the value being\n     * set here.\n     */\n    function forceApprove(IERC20 token, address spender, uint256 value) internal {\n        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));\n\n        if (!_callOptionalReturnBool(token, approvalCall)) {\n            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));\n            _callOptionalReturn(token, approvalCall);\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no\n     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n        if (to.code.length == 0) {\n            safeTransfer(token, to, value);\n        } else if (!token.transferAndCall(to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target\n     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function transferFromAndCallRelaxed(\n        IERC1363 token,\n        address from,\n        address to,\n        uint256 value,\n        bytes memory data\n    ) internal {\n        if (to.code.length == 0) {\n            safeTransferFrom(token, from, to, value);\n        } else if (!token.transferFromAndCall(from, to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no\n     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.\n     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}\n     * once without retrying, and relies on the returned value to be true.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n        if (to.code.length == 0) {\n            forceApprove(token, to, value);\n        } else if (!token.approveAndCall(to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     *\n     * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        uint256 returnSize;\n        uint256 returnValue;\n        assembly (\"memory-safe\") {\n            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)\n            // bubble errors\n            if iszero(success) {\n                let ptr := mload(0x40)\n                returndatacopy(ptr, 0, returndatasize())\n                revert(ptr, returndatasize())\n            }\n            returnSize := returndatasize()\n            returnValue := mload(0)\n        }\n\n        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     *\n     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.\n     */\n    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\n        bool success;\n        uint256 returnSize;\n        uint256 returnValue;\n        assembly (\"memory-safe\") {\n            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)\n            returnSize := returndatasize()\n            returnValue := mload(0)\n        }\n        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);\n    }\n}\n"},{"file_path":"@layerzerolabs/oft-evm/contracts/interfaces/IOFT.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { MessagingReceipt, MessagingFee } from \"@layerzerolabs/oapp-evm/contracts/oapp/OAppSender.sol\";\n\n/**\n * @dev Struct representing token parameters for the OFT send() operation.\n */\nstruct SendParam {\n    uint32 dstEid; // Destination endpoint ID.\n    bytes32 to; // Recipient address.\n    uint256 amountLD; // Amount to send in local decimals.\n    uint256 minAmountLD; // Minimum amount to send in local decimals.\n    bytes extraOptions; // Additional options supplied by the caller to be used in the LayerZero message.\n    bytes composeMsg; // The composed message for the send() operation.\n    bytes oftCmd; // The OFT command to be executed, unused in default OFT implementations.\n}\n\n/**\n * @dev Struct representing OFT limit information.\n * @dev These amounts can change dynamically and are up the specific oft implementation.\n */\nstruct OFTLimit {\n    uint256 minAmountLD; // Minimum amount in local decimals that can be sent to the recipient.\n    uint256 maxAmountLD; // Maximum amount in local decimals that can be sent to the recipient.\n}\n\n/**\n * @dev Struct representing OFT receipt information.\n */\nstruct OFTReceipt {\n    uint256 amountSentLD; // Amount of tokens ACTUALLY debited from the sender in local decimals.\n    // @dev In non-default implementations, the amountReceivedLD COULD differ from this value.\n    uint256 amountReceivedLD; // Amount of tokens to be received on the remote side.\n}\n\n/**\n * @dev Struct representing OFT fee details.\n * @dev Future proof mechanism to provide a standardized way to communicate fees to things like a UI.\n */\nstruct OFTFeeDetail {\n    int256 feeAmountLD; // Amount of the fee in local decimals.\n    string description; // Description of the fee.\n}\n\n/**\n * @title IOFT\n * @dev Interface for the OftChain (OFT) token.\n * @dev Does not inherit ERC20 to accommodate usage by OFTAdapter as well.\n * @dev This specific interface ID is '0x02e49c2c'.\n */\ninterface IOFT {\n    // Custom error messages\n    error InvalidLocalDecimals();\n    error SlippageExceeded(uint256 amountLD, uint256 minAmountLD);\n    error AmountSDOverflowed(uint256 amountSD);\n\n    // Events\n    event OFTSent(\n        bytes32 indexed guid, // GUID of the OFT message.\n        uint32 dstEid, // Destination Endpoint ID.\n        address indexed fromAddress, // Address of the sender on the src chain.\n        uint256 amountSentLD, // Amount of tokens sent in local decimals.\n        uint256 amountReceivedLD // Amount of tokens received in local decimals.\n    );\n    event OFTReceived(\n        bytes32 indexed guid, // GUID of the OFT message.\n        uint32 srcEid, // Source Endpoint ID.\n        address indexed toAddress, // Address of the recipient on the dst chain.\n        uint256 amountReceivedLD // Amount of tokens received in local decimals.\n    );\n\n    /**\n     * @notice Retrieves interfaceID and the version of the OFT.\n     * @return interfaceId The interface ID.\n     * @return version The version.\n     *\n     * @dev interfaceId: This specific interface ID is '0x02e49c2c'.\n     * @dev version: Indicates a cross-chain compatible msg encoding with other OFTs.\n     * @dev If a new feature is added to the OFT cross-chain msg encoding, the version will be incremented.\n     * ie. localOFT version(x,1) CAN send messages to remoteOFT version(x,1)\n     */\n    function oftVersion() external view returns (bytes4 interfaceId, uint64 version);\n\n    /**\n     * @notice Retrieves the address of the token associated with the OFT.\n     * @return token The address of the ERC20 token implementation.\n     */\n    function token() external view returns (address);\n\n    /**\n     * @notice Indicates whether the OFT contract requires approval of the 'token()' to send.\n     * @return requiresApproval Needs approval of the underlying token implementation.\n     *\n     * @dev Allows things like wallet implementers to determine integration requirements,\n     * without understanding the underlying token implementation.\n     */\n    function approvalRequired() external view returns (bool);\n\n    /**\n     * @notice Retrieves the shared decimals of the OFT.\n     * @return sharedDecimals The shared decimals of the OFT.\n     */\n    function sharedDecimals() external view returns (uint8);\n\n    /**\n     * @notice Provides the fee breakdown and settings data for an OFT. Unused in the default implementation.\n     * @param _sendParam The parameters for the send operation.\n     * @return limit The OFT limit information.\n     * @return oftFeeDetails The details of OFT fees.\n     * @return receipt The OFT receipt information.\n     */\n    function quoteOFT(\n        SendParam calldata _sendParam\n    ) external view returns (OFTLimit memory, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory);\n\n    /**\n     * @notice Provides a quote for the send() operation.\n     * @param _sendParam The parameters for the send() operation.\n     * @param _payInLzToken Flag indicating whether the caller is paying in the LZ token.\n     * @return fee The calculated LayerZero messaging fee from the send() operation.\n     *\n     * @dev MessagingFee: LayerZero msg fee\n     *  - nativeFee: The native fee.\n     *  - lzTokenFee: The lzToken fee.\n     */\n    function quoteSend(SendParam calldata _sendParam, bool _payInLzToken) external view returns (MessagingFee memory);\n\n    /**\n     * @notice Executes the send() operation.\n     * @param _sendParam The parameters for the send operation.\n     * @param _fee The fee information supplied by the caller.\n     *      - nativeFee: The native fee.\n     *      - lzTokenFee: The lzToken fee.\n     * @param _refundAddress The address to receive any excess funds from fees etc. on the src.\n     * @return receipt The LayerZero messaging receipt from the send() operation.\n     * @return oftReceipt The OFT receipt information.\n     *\n     * @dev MessagingReceipt: LayerZero msg receipt\n     *  - guid: The unique identifier for the sent message.\n     *  - nonce: The nonce of the sent message.\n     *  - fee: The LayerZero fee incurred for the message.\n     */\n    function send(\n        SendParam calldata _sendParam,\n        MessagingFee calldata _fee,\n        address _refundAddress\n    ) external payable returns (MessagingReceipt memory, OFTReceipt memory);\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppMsgInspector.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\n/**\n * @title IOAppMsgInspector\n * @dev Interface for the OApp Message Inspector, allowing examination of message and options contents.\n */\ninterface IOAppMsgInspector {\n    // Custom error message for inspection failure\n    error InspectionFailed(bytes message, bytes options);\n\n    /**\n     * @notice Allows the inspector to examine LayerZero message contents and optionally throw a revert if invalid.\n     * @param _message The message payload to be inspected.\n     * @param _options Additional options or parameters for inspection.\n     * @return valid A boolean indicating whether the inspection passed (true) or failed (false).\n     *\n     * @dev Optionally done as a revert, OR use the boolean provided to handle the failure.\n     */\n    function inspect(bytes calldata _message, bytes calldata _options) external view returns (bool valid);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/ShortStrings.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\n\n// | string  | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA   |\n// | length  | 0x                                                              BB |\ntype ShortString is bytes32;\n\n/**\n * @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n *\n * Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n *\n * Usage example:\n *\n * ```solidity\n * contract Named {\n *     using ShortStrings for *;\n *\n *     ShortString private immutable _name;\n *     string private _nameFallback;\n *\n *     constructor(string memory contractName) {\n *         _name = contractName.toShortStringWithFallback(_nameFallback);\n *     }\n *\n *     function name() external view returns (string memory) {\n *         return _name.toStringWithFallback(_nameFallback);\n *     }\n * }\n * ```\n */\nlibrary ShortStrings {\n    // Used as an identifier for strings longer than 31 bytes.\n    bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n    error StringTooLong(string str);\n    error InvalidShortString();\n\n    /**\n     * @dev Encode a string of at most 31 chars into a `ShortString`.\n     *\n     * This will trigger a `StringTooLong` error is the input string is too long.\n     */\n    function toShortString(string memory str) internal pure returns (ShortString) {\n        bytes memory bstr = bytes(str);\n        if (bstr.length > 31) {\n            revert StringTooLong(str);\n        }\n        return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));\n    }\n\n    /**\n     * @dev Decode a `ShortString` back to a \"normal\" string.\n     */\n    function toString(ShortString sstr) internal pure returns (string memory) {\n        uint256 len = byteLength(sstr);\n        // using `new string(len)` would work locally but is not memory safe.\n        string memory str = new string(32);\n        assembly (\"memory-safe\") {\n            mstore(str, len)\n            mstore(add(str, 0x20), sstr)\n        }\n        return str;\n    }\n\n    /**\n     * @dev Return the length of a `ShortString`.\n     */\n    function byteLength(ShortString sstr) internal pure returns (uint256) {\n        uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n        if (result > 31) {\n            revert InvalidShortString();\n        }\n        return result;\n    }\n\n    /**\n     * @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n     */\n    function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n        if (bytes(value).length < 32) {\n            return toShortString(value);\n        } else {\n            StorageSlot.getStringSlot(store).value = value;\n            return ShortString.wrap(FALLBACK_SENTINEL);\n        }\n    }\n\n    /**\n     * @dev Decode a string that was encoded to `ShortString` or written to storage using {toShortStringWithFallback}.\n     */\n    function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n        if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n            return toString(value);\n        } else {\n            return store;\n        }\n    }\n\n    /**\n     * @dev Return the length of a string that was encoded to `ShortString` or written to storage using\n     * {toShortStringWithFallback}.\n     *\n     * WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n     * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n     */\n    function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n        if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {\n            return byteLength(value);\n        } else {\n            return bytes(store).length;\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/OAppSender.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { SafeERC20, IERC20 } from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport { MessagingParams, MessagingFee, MessagingReceipt } from \"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol\";\nimport { OAppCore } from \"./OAppCore.sol\";\n\n/**\n * @title OAppSender\n * @dev Abstract contract implementing the OAppSender functionality for sending messages to a LayerZero endpoint.\n */\nabstract contract OAppSender is OAppCore {\n    using SafeERC20 for IERC20;\n\n    // Custom error messages\n    error NotEnoughNative(uint256 msgValue);\n    error LzTokenUnavailable();\n\n    // @dev The version of the OAppSender implementation.\n    // @dev Version is bumped when changes are made to this contract.\n    uint64 internal constant SENDER_VERSION = 1;\n\n    /**\n     * @notice Retrieves the OApp version information.\n     * @return senderVersion The version of the OAppSender.sol contract.\n     * @return receiverVersion The version of the OAppReceiver.sol contract.\n     *\n     * @dev Providing 0 as the default for OAppReceiver version. Indicates that the OAppReceiver is not implemented.\n     * ie. this is a SEND only OApp.\n     * @dev If the OApp uses both OAppSender and OAppReceiver, then this needs to be override returning the correct versions\n     */\n    function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {\n        return (SENDER_VERSION, 0);\n    }\n\n    /**\n     * @dev Internal function to interact with the LayerZero EndpointV2.quote() for fee calculation.\n     * @param _dstEid The destination endpoint ID.\n     * @param _message The message payload.\n     * @param _options Additional options for the message.\n     * @param _payInLzToken Flag indicating whether to pay the fee in LZ tokens.\n     * @return fee The calculated MessagingFee for the message.\n     *      - nativeFee: The native fee for the message.\n     *      - lzTokenFee: The LZ token fee for the message.\n     */\n    function _quote(\n        uint32 _dstEid,\n        bytes memory _message,\n        bytes memory _options,\n        bool _payInLzToken\n    ) internal view virtual returns (MessagingFee memory fee) {\n        return\n            endpoint.quote(\n                MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _payInLzToken),\n                address(this)\n            );\n    }\n\n    /**\n     * @dev Internal function to interact with the LayerZero EndpointV2.send() for sending a message.\n     * @param _dstEid The destination endpoint ID.\n     * @param _message The message payload.\n     * @param _options Additional options for the message.\n     * @param _fee The calculated LayerZero fee for the message.\n     *      - nativeFee: The native fee.\n     *      - lzTokenFee: The lzToken fee.\n     * @param _refundAddress The address to receive any excess fee values sent to the endpoint.\n     * @return receipt The receipt for the sent message.\n     *      - guid: The unique identifier for the sent message.\n     *      - nonce: The nonce of the sent message.\n     *      - fee: The LayerZero fee incurred for the message.\n     */\n    function _lzSend(\n        uint32 _dstEid,\n        bytes memory _message,\n        bytes memory _options,\n        MessagingFee memory _fee,\n        address _refundAddress\n    ) internal virtual returns (MessagingReceipt memory receipt) {\n        // @dev Push corresponding fees to the endpoint, any excess is sent back to the _refundAddress from the endpoint.\n        uint256 messageValue = _payNative(_fee.nativeFee);\n        if (_fee.lzTokenFee > 0) _payLzToken(_fee.lzTokenFee);\n\n        return\n            // solhint-disable-next-line check-send-result\n            endpoint.send{ value: messageValue }(\n                MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _fee.lzTokenFee > 0),\n                _refundAddress\n            );\n    }\n\n    /**\n     * @dev Internal function to pay the native fee associated with the message.\n     * @param _nativeFee The native fee to be paid.\n     * @return nativeFee The amount of native currency paid.\n     *\n     * @dev If the OApp needs to initiate MULTIPLE LayerZero messages in a single transaction,\n     * this will need to be overridden because msg.value would contain multiple lzFees.\n     * @dev Should be overridden in the event the LayerZero endpoint requires a different native currency.\n     * @dev Some EVMs use an ERC20 as a method for paying transactions/gasFees.\n     * @dev The endpoint is EITHER/OR, ie. it will NOT support both types of native payment at a time.\n     */\n    function _payNative(uint256 _nativeFee) internal virtual returns (uint256 nativeFee) {\n        if (msg.value != _nativeFee) revert NotEnoughNative(msg.value);\n        return _nativeFee;\n    }\n\n    /**\n     * @dev Internal function to pay the LZ token fee associated with the message.\n     * @param _lzTokenFee The LZ token fee to be paid.\n     *\n     * @dev If the caller is trying to pay in the specified lzToken, then the lzTokenFee is passed to the endpoint.\n     * @dev Any excess sent, is passed back to the specified _refundAddress in the _lzSend().\n     */\n    function _payLzToken(uint256 _lzTokenFee) internal virtual {\n        // @dev Cannot cache the token because it is not immutable in the endpoint.\n        address lzToken = endpoint.lzToken();\n        if (lzToken == address(0)) revert LzTokenUnavailable();\n\n        // Pay LZ token fee by sending tokens to the endpoint.\n        IERC20(lzToken).safeTransferFrom(msg.sender, address(endpoint), _lzTokenFee);\n    }\n}\n"},{"file_path":"contracts/interfaces/IFT.sol","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.30;\n\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\ninterface IFT is IERC20 {\n    function burn(uint256 amount) external;\n    function burnFrom(address account, uint256 amount) external;\n}"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ISendLib.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\nimport { MessagingFee } from \"./ILayerZeroEndpointV2.sol\";\nimport { IMessageLib } from \"./IMessageLib.sol\";\n\nstruct Packet {\n    uint64 nonce;\n    uint32 srcEid;\n    address sender;\n    uint32 dstEid;\n    bytes32 receiver;\n    bytes32 guid;\n    bytes message;\n}\n\ninterface ISendLib is IMessageLib {\n    function send(\n        Packet calldata _packet,\n        bytes calldata _options,\n        bool _payInLzToken\n    ) external returns (MessagingFee memory, bytes memory encodedPacket);\n\n    function quote(\n        Packet calldata _packet,\n        bytes calldata _options,\n        bool _payInLzToken\n    ) external view returns (MessagingFee memory);\n\n    function setTreasury(address _treasury) external;\n\n    function withdrawFee(address _to, uint256 _amount) external;\n\n    function withdrawLzTokenFee(address _lzToken, address _to, uint256 _amount) external;\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/OApp.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\n// @dev Import the 'MessagingFee' and 'MessagingReceipt' so it's exposed to OApp implementers\n// solhint-disable-next-line no-unused-import\nimport { OAppSender, MessagingFee, MessagingReceipt } from \"./OAppSender.sol\";\n// @dev Import the 'Origin' so it's exposed to OApp implementers\n// solhint-disable-next-line no-unused-import\nimport { OAppReceiver, Origin } from \"./OAppReceiver.sol\";\nimport { OAppCore } from \"./OAppCore.sol\";\n\n/**\n * @title OApp\n * @dev Abstract contract serving as the base for OApp implementation, combining OAppSender and OAppReceiver functionality.\n */\nabstract contract OApp is OAppSender, OAppReceiver {\n    /**\n     * @dev Constructor to initialize the OApp with the provided endpoint and owner.\n     * @param _endpoint The address of the LOCAL LayerZero endpoint.\n     * @param _delegate The delegate capable of making OApp configurations inside of the endpoint.\n     */\n    constructor(address _endpoint, address _delegate) OAppCore(_endpoint, _delegate) {}\n\n    /**\n     * @notice Retrieves the OApp version information.\n     * @return senderVersion The version of the OAppSender.sol implementation.\n     * @return receiverVersion The version of the OAppReceiver.sol implementation.\n     */\n    function oAppVersion()\n        public\n        pure\n        virtual\n        override(OAppSender, OAppReceiver)\n        returns (uint64 senderVersion, uint64 receiverVersion)\n    {\n        return (SENDER_VERSION, RECEIVER_VERSION);\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/IERC1363.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @title IERC1363\n * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].\n *\n * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract\n * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.\n */\ninterface IERC1363 is IERC20, IERC165 {\n    /*\n     * Note: the ERC-165 identifier for this interface is 0xb0202a11.\n     * 0xb0202a11 ===\n     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^\n     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^\n     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^\n     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^\n     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^\n     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))\n     */\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferAndCall(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @param data Additional data with no specified format, sent in call to `to`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param from The address which you want to send tokens from.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param from The address which you want to send tokens from.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @param data Additional data with no specified format, sent in call to `to`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n     * @param spender The address which will spend the funds.\n     * @param value The amount of tokens to be spent.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function approveAndCall(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n     * @param spender The address which will spend the funds.\n     * @param value The amount of tokens to be spent.\n     * @param data Additional data with no specified format, sent in call to `spender`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/StorageSlot.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC-1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n *     // Define the slot. Alternatively, use the SlotDerivation library to derive the slot.\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(newImplementation.code.length > 0);\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * TIP: Consider using this library along with {SlotDerivation}.\n */\nlibrary StorageSlot {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    struct Int256Slot {\n        int256 value;\n    }\n\n    struct StringSlot {\n        string value;\n    }\n\n    struct BytesSlot {\n        bytes value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Int256Slot` with member `value` located at `slot`.\n     */\n    function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `StringSlot` with member `value` located at `slot`.\n     */\n    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n     */\n    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := store.slot\n        }\n    }\n\n    /**\n     * @dev Returns a `BytesSlot` with member `value` located at `slot`.\n     */\n    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n     */\n    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := store.slot\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/libs/AddressCast.sol","source_code":"// SPDX-License-Identifier: LZBL-1.2\n\npragma solidity ^0.8.20;\n\nlibrary AddressCast {\n    error AddressCast_InvalidSizeForAddress();\n    error AddressCast_InvalidAddress();\n\n    function toBytes32(bytes calldata _addressBytes) internal pure returns (bytes32 result) {\n        if (_addressBytes.length > 32) revert AddressCast_InvalidAddress();\n        result = bytes32(_addressBytes);\n        unchecked {\n            uint256 offset = 32 - _addressBytes.length;\n            result = result >> (offset * 8);\n        }\n    }\n\n    function toBytes32(address _address) internal pure returns (bytes32 result) {\n        result = bytes32(uint256(uint160(_address)));\n    }\n\n    function toBytes(bytes32 _addressBytes32, uint256 _size) internal pure returns (bytes memory result) {\n        if (_size == 0 || _size > 32) revert AddressCast_InvalidSizeForAddress();\n        result = new bytes(_size);\n        unchecked {\n            uint256 offset = 256 - _size * 8;\n            assembly {\n                mstore(add(result, 32), shl(offset, _addressBytes32))\n            }\n        }\n    }\n\n    function toAddress(bytes32 _addressBytes32) internal pure returns (address result) {\n        result = address(uint160(uint256(_addressBytes32)));\n    }\n\n    function toAddress(bytes calldata _addressBytes) internal pure returns (address result) {\n        if (_addressBytes.length != 20) revert AddressCast_InvalidAddress();\n        result = address(bytes20(_addressBytes));\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/utils/Strings.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SafeCast} from \"./math/SafeCast.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    using SafeCast for *;\n\n    bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n    uint8 private constant ADDRESS_LENGTH = 20;\n    uint256 private constant SPECIAL_CHARS_LOOKUP =\n        (1 << 0x08) | // backspace\n            (1 << 0x09) | // tab\n            (1 << 0x0a) | // newline\n            (1 << 0x0c) | // form feed\n            (1 << 0x0d) | // carriage return\n            (1 << 0x22) | // double quote\n            (1 << 0x5c); // backslash\n\n    /**\n     * @dev The `value` string doesn't fit in the specified `length`.\n     */\n    error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n    /**\n     * @dev The string being parsed contains characters that are not in scope of the given base.\n     */\n    error StringsInvalidChar();\n\n    /**\n     * @dev The string being parsed is not a properly formatted address.\n     */\n    error StringsInvalidAddressFormat();\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            assembly (\"memory-safe\") {\n                ptr := add(add(buffer, 0x20), length)\n            }\n            while (true) {\n                ptr--;\n                assembly (\"memory-safe\") {\n                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toStringSigned(int256 value) internal pure returns (string memory) {\n        return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        uint256 localValue = value;\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = HEX_DIGITS[localValue & 0xf];\n            localValue >>= 4;\n        }\n        if (localValue != 0) {\n            revert StringsInsufficientHexLength(value, length);\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n     * representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal\n     * representation, according to EIP-55.\n     */\n    function toChecksumHexString(address addr) internal pure returns (string memory) {\n        bytes memory buffer = bytes(toHexString(addr));\n\n        // hash the hex part of buffer (skip length + 2 bytes, length 40)\n        uint256 hashValue;\n        assembly (\"memory-safe\") {\n            hashValue := shr(96, keccak256(add(buffer, 0x22), 40))\n        }\n\n        for (uint256 i = 41; i > 1; --i) {\n            // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f)\n            if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) {\n                // case shift by xoring with 0x20\n                buffer[i] ^= 0x20;\n            }\n            hashValue >>= 4;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input) internal pure returns (uint256) {\n        return parseUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        uint256 result = 0;\n        for (uint256 i = begin; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 9) return (false, 0);\n            result *= 10;\n            result += chr;\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `int256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input) internal pure returns (int256) {\n        return parseInt(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) {\n        (bool success, int256 value) = tryParseInt(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if\n     * the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(string memory input) internal pure returns (bool success, int256 value) {\n        return _tryParseIntUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    uint256 private constant ABS_MIN_INT256 = 2 ** 255;\n\n    /**\n     * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character or if the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, int256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseIntUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseInt-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseIntUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, int256 value) {\n        bytes memory buffer = bytes(input);\n\n        // Check presence of a negative sign.\n        bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        bool positiveSign = sign == bytes1(\"+\");\n        bool negativeSign = sign == bytes1(\"-\");\n        uint256 offset = (positiveSign || negativeSign).toUint();\n\n        (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end);\n\n        if (absSuccess && absValue < ABS_MIN_INT256) {\n            return (true, negativeSign ? -int256(absValue) : int256(absValue));\n        } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) {\n            return (true, type(int256).min);\n        } else return (false, 0);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input) internal pure returns (uint256) {\n        return parseHexUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseHexUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an\n     * invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseHexUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseHexUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseHexUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        // skip 0x prefix if present\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 offset = hasPrefix.toUint() * 2;\n\n        uint256 result = 0;\n        for (uint256 i = begin + offset; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 15) return (false, 0);\n            result *= 16;\n            unchecked {\n                // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check).\n                // This guarantees that adding a value < 16 will not cause an overflow, hence the unchecked.\n                result += chr;\n            }\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as an `address`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input) internal pure returns (address) {\n        return parseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) {\n        (bool success, address value) = tryParseAddress(input, begin, end);\n        if (!success) revert StringsInvalidAddressFormat();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly\n     * formatted address. See {parseAddress-string} requirements.\n     */\n    function tryParseAddress(string memory input) internal pure returns (bool success, address value) {\n        return tryParseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly\n     * formatted address. See {parseAddress-string-uint256-uint256} requirements.\n     */\n    function tryParseAddress(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, address value) {\n        if (end > bytes(input).length || begin > end) return (false, address(0));\n\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 expectedLength = 40 + hasPrefix.toUint() * 2;\n\n        // check that input is the correct length\n        if (end - begin == expectedLength) {\n            // length guarantees that this does not overflow, and value is at most type(uint160).max\n            (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end);\n            return (s, address(uint160(v)));\n        } else {\n            return (false, address(0));\n        }\n    }\n\n    function _tryParseChr(bytes1 chr) private pure returns (uint8) {\n        uint8 value = uint8(chr);\n\n        // Try to parse `chr`:\n        // - Case 1: [0-9]\n        // - Case 2: [a-f]\n        // - Case 3: [A-F]\n        // - otherwise not supported\n        unchecked {\n            if (value > 47 && value < 58) value -= 48;\n            else if (value > 96 && value < 103) value -= 87;\n            else if (value > 64 && value < 71) value -= 55;\n            else return type(uint8).max;\n        }\n\n        return value;\n    }\n\n    /**\n     * @dev Escape special characters in JSON strings. This can be useful to prevent JSON injection in NFT metadata.\n     *\n     * WARNING: This function should only be used in double quoted JSON strings. Single quotes are not escaped.\n     *\n     * NOTE: This function escapes all unicode characters, and not just the ones in ranges defined in section 2.5 of\n     * RFC-4627 (U+0000 to U+001F, U+0022 and U+005C). ECMAScript's `JSON.parse` does recover escaped unicode\n     * characters that are not in this range, but other tooling may provide different results.\n     */\n    function escapeJSON(string memory input) internal pure returns (string memory) {\n        bytes memory buffer = bytes(input);\n        bytes memory output = new bytes(2 * buffer.length); // worst case scenario\n        uint256 outputLength = 0;\n\n        for (uint256 i; i < buffer.length; ++i) {\n            bytes1 char = bytes1(_unsafeReadBytesOffset(buffer, i));\n            if (((SPECIAL_CHARS_LOOKUP & (1 << uint8(char))) != 0)) {\n                output[outputLength++] = \"\\\\\";\n                if (char == 0x08) output[outputLength++] = \"b\";\n                else if (char == 0x09) output[outputLength++] = \"t\";\n                else if (char == 0x0a) output[outputLength++] = \"n\";\n                else if (char == 0x0c) output[outputLength++] = \"f\";\n                else if (char == 0x0d) output[outputLength++] = \"r\";\n                else if (char == 0x5c) output[outputLength++] = \"\\\\\";\n                else if (char == 0x22) {\n                    // solhint-disable-next-line quotes\n                    output[outputLength++] = '\"';\n                }\n            } else {\n                output[outputLength++] = char;\n            }\n        }\n        // write the actual length and deallocate unused memory\n        assembly (\"memory-safe\") {\n            mstore(output, outputLength)\n            mstore(0x40, add(output, shl(5, shr(5, add(outputLength, 63)))))\n        }\n\n        return string(output);\n    }\n\n    /**\n     * @dev Reads a bytes32 from a bytes array without bounds checking.\n     *\n     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the\n     * assembly block as such would prevent some optimizations.\n     */\n    function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) {\n        // This is not memory safe in the general case, but all calls to this private function are within bounds.\n        assembly (\"memory-safe\") {\n            value := mload(add(add(buffer, 0x20), offset))\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppCore.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { ILayerZeroEndpointV2 } from \"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol\";\n\n/**\n * @title IOAppCore\n */\ninterface IOAppCore {\n    // Custom error messages\n    error OnlyPeer(uint32 eid, bytes32 sender);\n    error NoPeer(uint32 eid);\n    error InvalidEndpointCall();\n    error InvalidDelegate();\n\n    // Event emitted when a peer (OApp) is set for a corresponding endpoint\n    event PeerSet(uint32 eid, bytes32 peer);\n\n    /**\n     * @notice Retrieves the OApp version information.\n     * @return senderVersion The version of the OAppSender.sol contract.\n     * @return receiverVersion The version of the OAppReceiver.sol contract.\n     */\n    function oAppVersion() external view returns (uint64 senderVersion, uint64 receiverVersion);\n\n    /**\n     * @notice Retrieves the LayerZero endpoint associated with the OApp.\n     * @return iEndpoint The LayerZero endpoint as an interface.\n     */\n    function endpoint() external view returns (ILayerZeroEndpointV2 iEndpoint);\n\n    /**\n     * @notice Retrieves the peer (OApp) associated with a corresponding endpoint.\n     * @param _eid The endpoint ID.\n     * @return peer The peer address (OApp instance) associated with the corresponding endpoint.\n     */\n    function peers(uint32 _eid) external view returns (bytes32 peer);\n\n    /**\n     * @notice Sets the peer address (OApp instance) for a corresponding endpoint.\n     * @param _eid The endpoint ID.\n     * @param _peer The address of the peer to be associated with the corresponding endpoint.\n     */\n    function setPeer(uint32 _eid, bytes32 _peer) external;\n\n    /**\n     * @notice Sets the delegate address for the OApp Core.\n     * @param _delegate The address of the delegate to be set.\n     */\n    function setDelegate(address _delegate) external;\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC-20 standard.\n */\ninterface IERC20Metadata is IERC20 {\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the symbol of the token.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the decimals places of the token.\n     */\n    function decimals() external view returns (uint8);\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/IERC1271.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1271.sol)\n\npragma solidity >=0.5.0;\n\n/**\n * @dev Interface of the ERC-1271 standard signature validation method for\n * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].\n */\ninterface IERC1271 {\n    /**\n     * @dev Should return whether the signature provided is valid for the provided data\n     * @param hash      Hash of the data to be signed\n     * @param signature Signature byte array associated with `hash`\n     */\n    function isValidSignature(bytes32 hash, bytes calldata signature) external view returns (bytes4 magicValue);\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC-20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n *\n * ==== Security Considerations\n *\n * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n *\n * ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n *     doThing(..., value);\n * }\n *\n * function doThing(..., uint256 value) public {\n *     token.safeTransferFrom(msg.sender, address(this), value);\n *     ...\n * }\n * ```\n *\n * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n *\n * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     *\n     * CAUTION: See Security Considerations above.\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/Pausable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/Pausable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\nabstract contract Pausable is Context {\n    bool private _paused;\n\n    /**\n     * @dev Emitted when the pause is triggered by `account`.\n     */\n    event Paused(address account);\n\n    /**\n     * @dev Emitted when the pause is lifted by `account`.\n     */\n    event Unpaused(address account);\n\n    /**\n     * @dev The operation failed because the contract is paused.\n     */\n    error EnforcedPause();\n\n    /**\n     * @dev The operation failed because the contract is not paused.\n     */\n    error ExpectedPause();\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is not paused.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    modifier whenNotPaused() {\n        _requireNotPaused();\n        _;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is paused.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    modifier whenPaused() {\n        _requirePaused();\n        _;\n    }\n\n    /**\n     * @dev Returns true if the contract is paused, and false otherwise.\n     */\n    function paused() public view virtual returns (bool) {\n        return _paused;\n    }\n\n    /**\n     * @dev Throws if the contract is paused.\n     */\n    function _requireNotPaused() internal view virtual {\n        if (paused()) {\n            revert EnforcedPause();\n        }\n    }\n\n    /**\n     * @dev Throws if the contract is not paused.\n     */\n    function _requirePaused() internal view virtual {\n        if (!paused()) {\n            revert ExpectedPause();\n        }\n    }\n\n    /**\n     * @dev Triggers stopped state.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    function _pause() internal virtual whenNotPaused {\n        _paused = true;\n        emit Paused(_msgSender());\n    }\n\n    /**\n     * @dev Returns to normal state.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    function _unpause() internal virtual whenPaused {\n        _paused = false;\n        emit Unpaused(_msgSender());\n    }\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroReceiver.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\nimport { Origin } from \"./ILayerZeroEndpointV2.sol\";\n\ninterface ILayerZeroReceiver {\n    function allowInitializePath(Origin calldata _origin) external view returns (bool);\n\n    function nextNonce(uint32 _eid, bytes32 _sender) external view returns (uint64);\n\n    function lzReceive(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) external payable;\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/OAppCore.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { IOAppCore, ILayerZeroEndpointV2 } from \"./interfaces/IOAppCore.sol\";\n\n/**\n * @title OAppCore\n * @dev Abstract contract implementing the IOAppCore interface with basic OApp configurations.\n */\nabstract contract OAppCore is IOAppCore, Ownable {\n    // The LayerZero endpoint associated with the given OApp\n    ILayerZeroEndpointV2 public immutable endpoint;\n\n    // Mapping to store peers associated with corresponding endpoints\n    mapping(uint32 eid => bytes32 peer) public peers;\n\n    /**\n     * @dev Constructor to initialize the OAppCore with the provided endpoint and delegate.\n     * @param _endpoint The address of the LOCAL Layer Zero endpoint.\n     * @param _delegate The delegate capable of making OApp configurations inside of the endpoint.\n     *\n     * @dev The delegate typically should be set as the owner of the contract.\n     */\n    constructor(address _endpoint, address _delegate) {\n        endpoint = ILayerZeroEndpointV2(_endpoint);\n\n        if (_delegate == address(0)) revert InvalidDelegate();\n        endpoint.setDelegate(_delegate);\n    }\n\n    /**\n     * @notice Sets the peer address (OApp instance) for a corresponding endpoint.\n     * @param _eid The endpoint ID.\n     * @param _peer The address of the peer to be associated with the corresponding endpoint.\n     *\n     * @dev Only the owner/admin of the OApp can call this function.\n     * @dev Indicates that the peer is trusted to send LayerZero messages to this OApp.\n     * @dev Set this to bytes32(0) to remove the peer address.\n     * @dev Peer is a bytes32 to accommodate non-evm chains.\n     */\n    function setPeer(uint32 _eid, bytes32 _peer) public virtual onlyOwner {\n        _setPeer(_eid, _peer);\n    }\n\n    /**\n     * @notice Sets the peer address (OApp instance) for a corresponding endpoint.\n     * @param _eid The endpoint ID.\n     * @param _peer The address of the peer to be associated with the corresponding endpoint.\n     *\n     * @dev Indicates that the peer is trusted to send LayerZero messages to this OApp.\n     * @dev Set this to bytes32(0) to remove the peer address.\n     * @dev Peer is a bytes32 to accommodate non-evm chains.\n     */\n    function _setPeer(uint32 _eid, bytes32 _peer) internal virtual {\n        peers[_eid] = _peer;\n        emit PeerSet(_eid, _peer);\n    }\n\n    /**\n     * @notice Internal function to get the peer address associated with a specific endpoint; reverts if NOT set.\n     * ie. the peer is set to bytes32(0).\n     * @param _eid The endpoint ID.\n     * @return peer The address of the peer associated with the specified endpoint.\n     */\n    function _getPeerOrRevert(uint32 _eid) internal view virtual returns (bytes32) {\n        bytes32 peer = peers[_eid];\n        if (peer == bytes32(0)) revert NoPeer(_eid);\n        return peer;\n    }\n\n    /**\n     * @notice Sets the delegate address for the OApp.\n     * @param _delegate The address of the delegate to be set.\n     *\n     * @dev Only the owner/admin of the OApp can call this function.\n     * @dev Provides the ability for a delegate to set configs, on behalf of the OApp, directly on the Endpoint contract.\n     */\n    function setDelegate(address _delegate) public onlyOwner {\n        endpoint.setDelegate(_delegate);\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/precrime/libs/Packet.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { Origin } from \"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol\";\nimport { PacketV1Codec } from \"@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol\";\n\n/**\n * @title InboundPacket\n * @dev Structure representing an inbound packet received by the contract.\n */\nstruct InboundPacket {\n    Origin origin; // Origin information of the packet.\n    uint32 dstEid; // Destination endpointId of the packet.\n    address receiver; // Receiver address for the packet.\n    bytes32 guid; // Unique identifier of the packet.\n    uint256 value; // msg.value of the packet.\n    address executor; // Executor address for the packet.\n    bytes message; // Message payload of the packet.\n    bytes extraData; // Additional arbitrary data for the packet.\n}\n\n/**\n * @title PacketDecoder\n * @dev Library for decoding LayerZero packets.\n */\nlibrary PacketDecoder {\n    using PacketV1Codec for bytes;\n\n    /**\n     * @dev Decode an inbound packet from the given packet data.\n     * @param _packet The packet data to decode.\n     * @return packet An InboundPacket struct representing the decoded packet.\n     */\n    function decode(bytes calldata _packet) internal pure returns (InboundPacket memory packet) {\n        packet.origin = Origin(_packet.srcEid(), _packet.sender(), _packet.nonce());\n        packet.dstEid = _packet.dstEid();\n        packet.receiver = _packet.receiverB20();\n        packet.guid = _packet.guid();\n        packet.message = _packet.message();\n    }\n\n    /**\n     * @dev Decode multiple inbound packets from the given packet data and associated message values.\n     * @param _packets An array of packet data to decode.\n     * @param _packetMsgValues An array of associated message values for each packet.\n     * @return packets An array of InboundPacket structs representing the decoded packets.\n     */\n    function decode(\n        bytes[] calldata _packets,\n        uint256[] memory _packetMsgValues\n    ) internal pure returns (InboundPacket[] memory packets) {\n        packets = new InboundPacket[](_packets.length);\n        for (uint256 i = 0; i < _packets.length; i++) {\n            bytes calldata packet = _packets[i];\n            packets[i] = PacketDecoder.decode(packet);\n            // @dev Allows the verifier to specify the msg.value that gets passed in lzReceive.\n            packets[i].value = _packetMsgValues[i];\n        }\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/utils/Context.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    function _contextSuffixLength() internal view virtual returns (uint256) {\n        return 0;\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/draft-IERC6093.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/draft-IERC6093.sol)\npragma solidity >=0.8.4;\n\n/**\n * @dev Standard ERC-20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\n */\ninterface IERC20Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC20InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC20InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     * @param allowance Amount of tokens a `spender` is allowed to operate with.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC20InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC-721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\n */\ninterface IERC721Errors {\n    /**\n     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.\n     * Used in balance queries.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721InvalidOwner(address owner);\n\n    /**\n     * @dev Indicates a `tokenId` whose `owner` is the zero address.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721NonexistentToken(uint256 tokenId);\n\n    /**\n     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param tokenId Identifier number of a token.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC721InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC721InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC721InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC-1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\n */\ninterface IERC1155Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC1155InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC1155InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC1155MissingApprovalForAll(address operator, address owner);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC1155InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC1155InvalidOperator(address operator);\n\n    /**\n     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n     * Used in batch transfers.\n     * @param idsLength Length of the array of token identifiers\n     * @param valuesLength Length of the array of token amounts\n     */\n    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/Panic.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Helper library for emitting standardized panic codes.\n *\n * ```solidity\n * contract Example {\n *      using Panic for uint256;\n *\n *      // Use any of the declared internal constants\n *      function foo() { Panic.GENERIC.panic(); }\n *\n *      // Alternatively\n *      function foo() { Panic.panic(Panic.GENERIC); }\n * }\n * ```\n *\n * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].\n *\n * _Available since v5.1._\n */\n// slither-disable-next-line unused-state\nlibrary Panic {\n    /// @dev generic / unspecified error\n    uint256 internal constant GENERIC = 0x00;\n    /// @dev used by the assert() builtin\n    uint256 internal constant ASSERT = 0x01;\n    /// @dev arithmetic underflow or overflow\n    uint256 internal constant UNDER_OVERFLOW = 0x11;\n    /// @dev division or modulo by zero\n    uint256 internal constant DIVISION_BY_ZERO = 0x12;\n    /// @dev enum conversion error\n    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;\n    /// @dev invalid encoding in storage\n    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;\n    /// @dev empty array pop\n    uint256 internal constant EMPTY_ARRAY_POP = 0x31;\n    /// @dev array out of bounds access\n    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;\n    /// @dev resource error (too large allocation or too large array)\n    uint256 internal constant RESOURCE_ERROR = 0x41;\n    /// @dev calling invalid internal function\n    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;\n\n    /// @dev Reverts with a panic code. Recommended to use with\n    /// the internal constants with predefined codes.\n    function panic(uint256 code) internal pure {\n        assembly (\"memory-safe\") {\n            mstore(0x00, 0x4e487b71)\n            mstore(0x20, code)\n            revert(0x1c, 0x24)\n        }\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/token/ERC20/IERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the value of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the value of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the\n     * allowance mechanism. `value` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/math/SignedMath.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * int256(SafeCast.toUint(condition)));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // Formula from the \"Bit Twiddling Hacks\" by Sean Eron Anderson.\n            // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift,\n            // taking advantage of the most significant (or \"sign\" bit) in two's complement representation.\n            // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result,\n            // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative).\n            int256 mask = n >> 255;\n\n            // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it.\n            return uint256((n + mask) ^ mask);\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oft-evm/contracts/OFT.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { ERC20 } from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport { IOFT, OFTCore } from \"./OFTCore.sol\";\n\n/**\n * @title OFT Contract\n * @dev OFT is an ERC-20 token that extends the functionality of the OFTCore contract.\n */\nabstract contract OFT is OFTCore, ERC20 {\n    /**\n     * @dev Constructor for the OFT contract.\n     * @param _name The name of the OFT.\n     * @param _symbol The symbol of the OFT.\n     * @param _lzEndpoint The LayerZero endpoint address.\n     * @param _delegate The delegate capable of making OApp configurations inside of the endpoint.\n     */\n    constructor(\n        string memory _name,\n        string memory _symbol,\n        address _lzEndpoint,\n        address _delegate\n    ) ERC20(_name, _symbol) OFTCore(decimals(), _lzEndpoint, _delegate) {}\n\n    /**\n     * @dev Retrieves the address of the underlying ERC20 implementation.\n     * @return The address of the OFT token.\n     *\n     * @dev In the case of OFT, address(this) and erc20 are the same contract.\n     */\n    function token() public view returns (address) {\n        return address(this);\n    }\n\n    /**\n     * @notice Indicates whether the OFT contract requires approval of the 'token()' to send.\n     * @return requiresApproval Needs approval of the underlying token implementation.\n     *\n     * @dev In the case of OFT where the contract IS the token, approval is NOT required.\n     */\n    function approvalRequired() external pure virtual returns (bool) {\n        return false;\n    }\n\n    /**\n     * @dev Burns tokens from the sender's specified balance.\n     * @param _from The address to debit the tokens from.\n     * @param _amountLD The amount of tokens to send in local decimals.\n     * @param _minAmountLD The minimum amount to send in local decimals.\n     * @param _dstEid The destination chain ID.\n     * @return amountSentLD The amount sent in local decimals.\n     * @return amountReceivedLD The amount received in local decimals on the remote.\n     */\n    function _debit(\n        address _from,\n        uint256 _amountLD,\n        uint256 _minAmountLD,\n        uint32 _dstEid\n    ) internal virtual override returns (uint256 amountSentLD, uint256 amountReceivedLD) {\n        (amountSentLD, amountReceivedLD) = _debitView(_amountLD, _minAmountLD, _dstEid);\n\n        // @dev In NON-default OFT, amountSentLD could be 100, with a 10% fee, the amountReceivedLD amount is 90,\n        // therefore amountSentLD CAN differ from amountReceivedLD.\n\n        // @dev Default OFT burns on src.\n        _burn(_from, amountSentLD);\n    }\n\n    /**\n     * @dev Credits tokens to the specified address.\n     * @param _to The address to credit the tokens to.\n     * @param _amountLD The amount of tokens to credit in local decimals.\n     * @dev _srcEid The source chain ID.\n     * @return amountReceivedLD The amount of tokens ACTUALLY received in local decimals.\n     */\n    function _credit(\n        address _to,\n        uint256 _amountLD,\n        uint32 /*_srcEid*/\n    ) internal virtual override returns (uint256 amountReceivedLD) {\n        if (_to == address(0x0)) _to = address(0xdead); // _mint(...) does not support address(0x0)\n        // @dev Default OFT mints on dst.\n        _mint(_to, _amountLD);\n        // @dev In the case of NON-default OFT, the _amountLD MIGHT not be == amountReceivedLD.\n        return _amountLD;\n    }\n}\n"},{"file_path":"@layerzerolabs/oft-evm/contracts/OFTCore.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport { OApp, Origin } from \"@layerzerolabs/oapp-evm/contracts/oapp/OApp.sol\";\nimport { OAppOptionsType3 } from \"@layerzerolabs/oapp-evm/contracts/oapp/libs/OAppOptionsType3.sol\";\nimport { IOAppMsgInspector } from \"@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppMsgInspector.sol\";\n\nimport { OAppPreCrimeSimulator } from \"@layerzerolabs/oapp-evm/contracts/precrime/OAppPreCrimeSimulator.sol\";\n\nimport { IOFT, SendParam, OFTLimit, OFTReceipt, OFTFeeDetail, MessagingReceipt, MessagingFee } from \"./interfaces/IOFT.sol\";\nimport { OFTMsgCodec } from \"./libs/OFTMsgCodec.sol\";\nimport { OFTComposeMsgCodec } from \"./libs/OFTComposeMsgCodec.sol\";\n\n/**\n * @title OFTCore\n * @dev Abstract contract for the OftChain (OFT) token.\n */\nabstract contract OFTCore is IOFT, OApp, OAppPreCrimeSimulator, OAppOptionsType3 {\n    using OFTMsgCodec for bytes;\n    using OFTMsgCodec for bytes32;\n\n    // @notice Provides a conversion rate when swapping between denominations of SD and LD\n    //      - shareDecimals == SD == shared Decimals\n    //      - localDecimals == LD == local decimals\n    // @dev Considers that tokens have different decimal amounts on various chains.\n    // @dev eg.\n    //  For a token\n    //      - locally with 4 decimals --> 1.2345 => uint(12345)\n    //      - remotely with 2 decimals --> 1.23 => uint(123)\n    //      - The conversion rate would be 10 ** (4 - 2) = 100\n    //  @dev If you want to send 1.2345 -> (uint 12345), you CANNOT represent that value on the remote,\n    //  you can only display 1.23 -> uint(123).\n    //  @dev To preserve the dust that would otherwise be lost on that conversion,\n    //  we need to unify a denomination that can be represented on ALL chains inside of the OFT mesh\n    uint256 public immutable decimalConversionRate;\n\n    // @notice Msg types that are used to identify the various OFT operations.\n    // @dev This can be extended in child contracts for non-default oft operations\n    // @dev These values are used in things like combineOptions() in OAppOptionsType3.sol.\n    uint16 public constant SEND = 1;\n    uint16 public constant SEND_AND_CALL = 2;\n\n    // Address of an optional contract to inspect both 'message' and 'options'\n    address public msgInspector;\n    event MsgInspectorSet(address inspector);\n\n    /**\n     * @dev Constructor.\n     * @param _localDecimals The decimals of the token on the local chain (this chain).\n     * @param _endpoint The address of the LayerZero endpoint.\n     * @param _delegate The delegate capable of making OApp configurations inside of the endpoint.\n     */\n    constructor(uint8 _localDecimals, address _endpoint, address _delegate) OApp(_endpoint, _delegate) {\n        if (_localDecimals < sharedDecimals()) revert InvalidLocalDecimals();\n        decimalConversionRate = 10 ** (_localDecimals - sharedDecimals());\n    }\n\n    /**\n     * @notice Retrieves interfaceID and the version of the OFT.\n     * @return interfaceId The interface ID.\n     * @return version The version.\n     *\n     * @dev interfaceId: This specific interface ID is '0x02e49c2c'.\n     * @dev version: Indicates a cross-chain compatible msg encoding with other OFTs.\n     * @dev If a new feature is added to the OFT cross-chain msg encoding, the version will be incremented.\n     * ie. localOFT version(x,1) CAN send messages to remoteOFT version(x,1)\n     */\n    function oftVersion() external pure virtual returns (bytes4 interfaceId, uint64 version) {\n        return (type(IOFT).interfaceId, 1);\n    }\n\n    /**\n     * @dev Retrieves the shared decimals of the OFT.\n     * @return The shared decimals of the OFT.\n     *\n     * @dev Sets an implicit cap on the amount of tokens, over uint64.max() will need some sort of outbound cap / totalSupply cap\n     * Lowest common decimal denominator between chains.\n     * Defaults to 6 decimal places to provide up to 18,446,744,073,709.551615 units (max uint64).\n     * For tokens exceeding this totalSupply(), they will need to override the sharedDecimals function with something smaller.\n     * ie. 4 sharedDecimals would be 1,844,674,407,370,955.1615\n     */\n    function sharedDecimals() public view virtual returns (uint8) {\n        return 6;\n    }\n\n    /**\n     * @dev Sets the message inspector address for the OFT.\n     * @param _msgInspector The address of the message inspector.\n     *\n     * @dev This is an optional contract that can be used to inspect both 'message' and 'options'.\n     * @dev Set it to address(0) to disable it, or set it to a contract address to enable it.\n     */\n    function setMsgInspector(address _msgInspector) public virtual onlyOwner {\n        msgInspector = _msgInspector;\n        emit MsgInspectorSet(_msgInspector);\n    }\n\n    /**\n     * @notice Provides the fee breakdown and settings data for an OFT. Unused in the default implementation.\n     * @param _sendParam The parameters for the send operation.\n     * @return oftLimit The OFT limit information.\n     * @return oftFeeDetails The details of OFT fees.\n     * @return oftReceipt The OFT receipt information.\n     */\n    function quoteOFT(\n        SendParam calldata _sendParam\n    )\n        external\n        view\n        virtual\n        returns (OFTLimit memory oftLimit, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory oftReceipt)\n    {\n        uint256 minAmountLD = 0; // Unused in the default implementation.\n        uint256 maxAmountLD = IERC20(this.token()).totalSupply(); // Unused in the default implementation.\n        oftLimit = OFTLimit(minAmountLD, maxAmountLD);\n\n        // Unused in the default implementation; reserved for future complex fee details.\n        oftFeeDetails = new OFTFeeDetail[](0);\n\n        // @dev This is the same as the send() operation, but without the actual send.\n        // - amountSentLD is the amount in local decimals that would be sent from the sender.\n        // - amountReceivedLD is the amount in local decimals that will be credited to the recipient on the remote OFT instance.\n        // @dev The amountSentLD MIGHT not equal the amount the user actually receives. HOWEVER, the default does.\n        (uint256 amountSentLD, uint256 amountReceivedLD) = _debitView(\n            _sendParam.amountLD,\n            _sendParam.minAmountLD,\n            _sendParam.dstEid\n        );\n        oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);\n    }\n\n    /**\n     * @notice Provides a quote for the send() operation.\n     * @param _sendParam The parameters for the send() operation.\n     * @param _payInLzToken Flag indicating whether the caller is paying in the LZ token.\n     * @return msgFee The calculated LayerZero messaging fee from the send() operation.\n     *\n     * @dev MessagingFee: LayerZero msg fee\n     *  - nativeFee: The native fee.\n     *  - lzTokenFee: The lzToken fee.\n     */\n    function quoteSend(\n        SendParam calldata _sendParam,\n        bool _payInLzToken\n    ) external view virtual returns (MessagingFee memory msgFee) {\n        // @dev mock the amount to receive, this is the same operation used in the send().\n        // The quote is as similar as possible to the actual send() operation.\n        (, uint256 amountReceivedLD) = _debitView(_sendParam.amountLD, _sendParam.minAmountLD, _sendParam.dstEid);\n\n        // @dev Builds the options and OFT message to quote in the endpoint.\n        (bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);\n\n        // @dev Calculates the LayerZero fee for the send() operation.\n        return _quote(_sendParam.dstEid, message, options, _payInLzToken);\n    }\n\n    /**\n     * @dev Executes the send operation.\n     * @param _sendParam The parameters for the send operation.\n     * @param _fee The calculated fee for the send() operation.\n     *      - nativeFee: The native fee.\n     *      - lzTokenFee: The lzToken fee.\n     * @param _refundAddress The address to receive any excess funds.\n     * @return msgReceipt The receipt for the send operation.\n     * @return oftReceipt The OFT receipt information.\n     *\n     * @dev MessagingReceipt: LayerZero msg receipt\n     *  - guid: The unique identifier for the sent message.\n     *  - nonce: The nonce of the sent message.\n     *  - fee: The LayerZero fee incurred for the message.\n     */\n    function send(\n        SendParam calldata _sendParam,\n        MessagingFee calldata _fee,\n        address _refundAddress\n    ) external payable virtual returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {\n        return _send(_sendParam, _fee, _refundAddress);\n    }\n\n    /**\n     * @dev Internal function to execute the send operation.\n     * @param _sendParam The parameters for the send operation.\n     * @param _fee The calculated fee for the send() operation.\n     *      - nativeFee: The native fee.\n     *      - lzTokenFee: The lzToken fee.\n     * @param _refundAddress The address to receive any excess funds.\n     * @return msgReceipt The receipt for the send operation.\n     * @return oftReceipt The OFT receipt information.\n     *\n     * @dev MessagingReceipt: LayerZero msg receipt\n     *  - guid: The unique identifier for the sent message.\n     *  - nonce: The nonce of the sent message.\n     *  - fee: The LayerZero fee incurred for the message.\n     */\n    function _send(\n        SendParam calldata _sendParam,\n        MessagingFee calldata _fee,\n        address _refundAddress\n    ) internal virtual returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {\n        // @dev Applies the token transfers regarding this send() operation.\n        // - amountSentLD is the amount in local decimals that was ACTUALLY sent/debited from the sender.\n        // - amountReceivedLD is the amount in local decimals that will be received/credited to the recipient on the remote OFT instance.\n        (uint256 amountSentLD, uint256 amountReceivedLD) = _debit(\n            msg.sender,\n            _sendParam.amountLD,\n            _sendParam.minAmountLD,\n            _sendParam.dstEid\n        );\n\n        // @dev Builds the options and OFT message to quote in the endpoint.\n        (bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);\n\n        // @dev Sends the message to the LayerZero endpoint and returns the LayerZero msg receipt.\n        msgReceipt = _lzSend(_sendParam.dstEid, message, options, _fee, _refundAddress);\n        // @dev Formulate the OFT receipt.\n        oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);\n\n        emit OFTSent(msgReceipt.guid, _sendParam.dstEid, msg.sender, amountSentLD, amountReceivedLD);\n    }\n\n    /**\n     * @dev Internal function to build the message and options.\n     * @param _sendParam The parameters for the send() operation.\n     * @param _amountLD The amount in local decimals.\n     * @return message The encoded message.\n     * @return options The encoded options.\n     */\n    function _buildMsgAndOptions(\n        SendParam calldata _sendParam,\n        uint256 _amountLD\n    ) internal view virtual returns (bytes memory message, bytes memory options) {\n        bool hasCompose;\n        // @dev This generated message has the msg.sender encoded into the payload so the remote knows who the caller is.\n        (message, hasCompose) = OFTMsgCodec.encode(\n            _sendParam.to,\n            _toSD(_amountLD),\n            // @dev Must be include a non empty bytes if you want to compose, EVEN if you dont need it on the remote.\n            // EVEN if you dont require an arbitrary payload to be sent... eg. '0x01'\n            _sendParam.composeMsg\n        );\n        // @dev Change the msg type depending if its composed or not.\n        uint16 msgType = hasCompose ? SEND_AND_CALL : SEND;\n        // @dev Combine the callers _extraOptions with the enforced options via the OAppOptionsType3.\n        options = combineOptions(_sendParam.dstEid, msgType, _sendParam.extraOptions);\n\n        // @dev Optionally inspect the message and options depending if the OApp owner has set a msg inspector.\n        // @dev If it fails inspection, needs to revert in the implementation. ie. does not rely on return boolean\n        address inspector = msgInspector; // caches the msgInspector to avoid potential double storage read\n        if (inspector != address(0)) IOAppMsgInspector(inspector).inspect(message, options);\n    }\n\n    /**\n     * @dev Internal function to handle the receive on the LayerZero endpoint.\n     * @param _origin The origin information.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address from the src chain.\n     *  - nonce: The nonce of the LayerZero message.\n     * @param _guid The unique identifier for the received LayerZero message.\n     * @param _message The encoded message.\n     * @dev _executor The address of the executor.\n     * @dev _extraData Additional data.\n     */\n    function _lzReceive(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address /*_executor*/, // @dev unused in the default implementation.\n        bytes calldata /*_extraData*/ // @dev unused in the default implementation.\n    ) internal virtual override {\n        // @dev The src sending chain doesnt know the address length on this chain (potentially non-evm)\n        // Thus everything is bytes32() encoded in flight.\n        address toAddress = _message.sendTo().bytes32ToAddress();\n        // @dev Credit the amountLD to the recipient and return the ACTUAL amount the recipient received in local decimals\n        uint256 amountReceivedLD = _credit(toAddress, _toLD(_message.amountSD()), _origin.srcEid);\n\n        if (_message.isComposed()) {\n            // @dev Proprietary composeMsg format for the OFT.\n            bytes memory composeMsg = OFTComposeMsgCodec.encode(\n                _origin.nonce,\n                _origin.srcEid,\n                amountReceivedLD,\n                _message.composeMsg()\n            );\n\n            // @dev Stores the lzCompose payload that will be executed in a separate tx.\n            // Standardizes functionality for executing arbitrary contract invocation on some non-evm chains.\n            // @dev The off-chain executor will listen and process the msg based on the src-chain-callers compose options passed.\n            // @dev The index is used when a OApp needs to compose multiple msgs on lzReceive.\n            // For default OFT implementation there is only 1 compose msg per lzReceive, thus its always 0.\n            endpoint.sendCompose(toAddress, _guid, 0 /* the index of the composed message*/, composeMsg);\n        }\n\n        emit OFTReceived(_guid, _origin.srcEid, toAddress, amountReceivedLD);\n    }\n\n    /**\n     * @dev Internal function to handle the OAppPreCrimeSimulator simulated receive.\n     * @param _origin The origin information.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address from the src chain.\n     *  - nonce: The nonce of the LayerZero message.\n     * @param _guid The unique identifier for the received LayerZero message.\n     * @param _message The LayerZero message.\n     * @param _executor The address of the off-chain executor.\n     * @param _extraData Arbitrary data passed by the msg executor.\n     *\n     * @dev Enables the preCrime simulator to mock sending lzReceive() messages,\n     * routes the msg down from the OAppPreCrimeSimulator, and back up to the OAppReceiver.\n     */\n    function _lzReceiveSimulate(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) internal virtual override {\n        _lzReceive(_origin, _guid, _message, _executor, _extraData);\n    }\n\n    /**\n     * @dev Check if the peer is considered 'trusted' by the OApp.\n     * @param _eid The endpoint ID to check.\n     * @param _peer The peer to check.\n     * @return Whether the peer passed is considered 'trusted' by the OApp.\n     *\n     * @dev Enables OAppPreCrimeSimulator to check whether a potential Inbound Packet is from a trusted source.\n     */\n    function isPeer(uint32 _eid, bytes32 _peer) public view virtual override returns (bool) {\n        return peers[_eid] == _peer;\n    }\n\n    /**\n     * @dev Internal function to remove dust from the given local decimal amount.\n     * @param _amountLD The amount in local decimals.\n     * @return amountLD The amount after removing dust.\n     *\n     * @dev Prevents the loss of dust when moving amounts between chains with different decimals.\n     * @dev eg. uint(123) with a conversion rate of 100 becomes uint(100).\n     */\n    function _removeDust(uint256 _amountLD) internal view virtual returns (uint256 amountLD) {\n        return (_amountLD / decimalConversionRate) * decimalConversionRate;\n    }\n\n    /**\n     * @dev Internal function to convert an amount from shared decimals into local decimals.\n     * @param _amountSD The amount in shared decimals.\n     * @return amountLD The amount in local decimals.\n     */\n    function _toLD(uint64 _amountSD) internal view virtual returns (uint256 amountLD) {\n        return _amountSD * decimalConversionRate;\n    }\n\n    /**\n     * @dev Internal function to convert an amount from local decimals into shared decimals.\n     * @param _amountLD The amount in local decimals.\n     * @return amountSD The amount in shared decimals.\n     *\n     * @dev Reverts if the _amountLD in shared decimals overflows uint64.\n     * @dev eg. uint(2**64 + 123) with a conversion rate of 1 wraps around 2**64 to uint(123).\n     */\n    function _toSD(uint256 _amountLD) internal view virtual returns (uint64 amountSD) {\n        uint256 _amountSD = _amountLD / decimalConversionRate;\n        if (_amountSD > type(uint64).max) revert AmountSDOverflowed(_amountSD);\n        return uint64(_amountSD);\n    }\n\n    /**\n     * @dev Internal function to mock the amount mutation from a OFT debit() operation.\n     * @param _amountLD The amount to send in local decimals.\n     * @param _minAmountLD The minimum amount to send in local decimals.\n     * @dev _dstEid The destination endpoint ID.\n     * @return amountSentLD The amount sent, in local decimals.\n     * @return amountReceivedLD The amount to be received on the remote chain, in local decimals.\n     *\n     * @dev This is where things like fees would be calculated and deducted from the amount to be received on the remote.\n     */\n    function _debitView(\n        uint256 _amountLD,\n        uint256 _minAmountLD,\n        uint32 /*_dstEid*/\n    ) internal view virtual returns (uint256 amountSentLD, uint256 amountReceivedLD) {\n        // @dev Remove the dust so nothing is lost on the conversion between chains with different decimals for the token.\n        amountSentLD = _removeDust(_amountLD);\n        // @dev The amount to send is the same as amount received in the default implementation.\n        amountReceivedLD = amountSentLD;\n\n        // @dev Check for slippage.\n        if (amountReceivedLD < _minAmountLD) {\n            revert SlippageExceeded(amountReceivedLD, _minAmountLD);\n        }\n    }\n\n    /**\n     * @dev Internal function to perform a debit operation.\n     * @param _from The address to debit.\n     * @param _amountLD The amount to send in local decimals.\n     * @param _minAmountLD The minimum amount to send in local decimals.\n     * @param _dstEid The destination endpoint ID.\n     * @return amountSentLD The amount sent in local decimals.\n     * @return amountReceivedLD The amount received in local decimals on the remote.\n     *\n     * @dev Defined here but are intended to be overriden depending on the OFT implementation.\n     * @dev Depending on OFT implementation the _amountLD could differ from the amountReceivedLD.\n     */\n    function _debit(\n        address _from,\n        uint256 _amountLD,\n        uint256 _minAmountLD,\n        uint32 _dstEid\n    ) internal virtual returns (uint256 amountSentLD, uint256 amountReceivedLD);\n\n    /**\n     * @dev Internal function to perform a credit operation.\n     * @param _to The address to credit.\n     * @param _amountLD The amount to credit in local decimals.\n     * @param _srcEid The source endpoint ID.\n     * @return amountReceivedLD The amount ACTUALLY received in local decimals.\n     *\n     * @dev Defined here but are intended to be overriden depending on the OFT implementation.\n     * @dev Depending on OFT implementation the _amountLD could differ from the amountReceivedLD.\n     */\n    function _credit(\n        address _to,\n        uint256 _amountLD,\n        uint32 _srcEid\n    ) internal virtual returns (uint256 amountReceivedLD);\n}\n"},{"file_path":"@layerzerolabs/oft-evm/contracts/libs/OFTComposeMsgCodec.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nlibrary OFTComposeMsgCodec {\n    // Offset constants for decoding composed messages\n    uint8 private constant NONCE_OFFSET = 8;\n    uint8 private constant SRC_EID_OFFSET = 12;\n    uint8 private constant AMOUNT_LD_OFFSET = 44;\n    uint8 private constant COMPOSE_FROM_OFFSET = 76;\n\n    /**\n     * @dev Encodes a OFT composed message.\n     * @param _nonce The nonce value.\n     * @param _srcEid The source endpoint ID.\n     * @param _amountLD The amount in local decimals.\n     * @param _composeMsg The composed message.\n     * @return _msg The encoded Composed message.\n     */\n    function encode(\n        uint64 _nonce,\n        uint32 _srcEid,\n        uint256 _amountLD,\n        bytes memory _composeMsg // 0x[composeFrom][composeMsg]\n    ) internal pure returns (bytes memory _msg) {\n        _msg = abi.encodePacked(_nonce, _srcEid, _amountLD, _composeMsg);\n    }\n\n    /**\n     * @dev Retrieves the nonce for the composed message.\n     * @param _msg The message.\n     * @return The nonce value.\n     */\n    function nonce(bytes calldata _msg) internal pure returns (uint64) {\n        return uint64(bytes8(_msg[:NONCE_OFFSET]));\n    }\n\n    /**\n     * @dev Retrieves the source endpoint ID for the composed message.\n     * @param _msg The message.\n     * @return The source endpoint ID.\n     */\n    function srcEid(bytes calldata _msg) internal pure returns (uint32) {\n        return uint32(bytes4(_msg[NONCE_OFFSET:SRC_EID_OFFSET]));\n    }\n\n    /**\n     * @dev Retrieves the amount in local decimals from the composed message.\n     * @param _msg The message.\n     * @return The amount in local decimals.\n     */\n    function amountLD(bytes calldata _msg) internal pure returns (uint256) {\n        return uint256(bytes32(_msg[SRC_EID_OFFSET:AMOUNT_LD_OFFSET]));\n    }\n\n    /**\n     * @dev Retrieves the composeFrom value from the composed message.\n     * @param _msg The message.\n     * @return The composeFrom value.\n     */\n    function composeFrom(bytes calldata _msg) internal pure returns (bytes32) {\n        return bytes32(_msg[AMOUNT_LD_OFFSET:COMPOSE_FROM_OFFSET]);\n    }\n\n    /**\n     * @dev Retrieves the composed message.\n     * @param _msg The message.\n     * @return The composed message.\n     */\n    function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {\n        return _msg[COMPOSE_FROM_OFFSET:];\n    }\n\n    /**\n     * @dev Converts an address to bytes32.\n     * @param _addr The address to convert.\n     * @return The bytes32 representation of the address.\n     */\n    function addressToBytes32(address _addr) internal pure returns (bytes32) {\n        return bytes32(uint256(uint160(_addr)));\n    }\n\n    /**\n     * @dev Converts bytes32 to an address.\n     * @param _b The bytes32 value to convert.\n     * @return The address representation of bytes32.\n     */\n    function bytes32ToAddress(bytes32 _b) internal pure returns (address) {\n        return address(uint160(uint256(_b)));\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/oapp/interfaces/IOAppOptionsType3.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Struct representing enforced option parameters.\n */\nstruct EnforcedOptionParam {\n    uint32 eid; // Endpoint ID\n    uint16 msgType; // Message Type\n    bytes options; // Additional options\n}\n\n/**\n * @title IOAppOptionsType3\n * @dev Interface for the OApp with Type 3 Options, allowing the setting and combining of enforced options.\n */\ninterface IOAppOptionsType3 {\n    // Custom error message for invalid options\n    error InvalidOptions(bytes options);\n\n    // Event emitted when enforced options are set\n    event EnforcedOptionSet(EnforcedOptionParam[] _enforcedOptions);\n\n    /**\n     * @notice Sets enforced options for specific endpoint and message type combinations.\n     * @param _enforcedOptions An array of EnforcedOptionParam structures specifying enforced options.\n     */\n    function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) external;\n\n    /**\n     * @notice Combines options for a given endpoint and message type.\n     * @param _eid The endpoint ID.\n     * @param _msgType The OApp message type.\n     * @param _extraOptions Additional options passed by the caller.\n     * @return options The combination of caller specified options AND enforced options.\n     */\n    function combineOptions(\n        uint32 _eid,\n        uint16 _msgType,\n        bytes calldata _extraOptions\n    ) external view returns (bytes memory options);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/Nonces.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides tracking nonces for addresses. Nonces will only increment.\n */\nabstract contract Nonces {\n    /**\n     * @dev The nonce used for an `account` is not the expected current nonce.\n     */\n    error InvalidAccountNonce(address account, uint256 currentNonce);\n\n    mapping(address account => uint256) private _nonces;\n\n    /**\n     * @dev Returns the next unused nonce for an address.\n     */\n    function nonces(address owner) public view virtual returns (uint256) {\n        return _nonces[owner];\n    }\n\n    /**\n     * @dev Consumes a nonce.\n     *\n     * Returns the current value and increments nonce.\n     */\n    function _useNonce(address owner) internal virtual returns (uint256) {\n        // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be\n        // decremented or reset. This guarantees that the nonce never overflows.\n        unchecked {\n            // It is important to do x++ and not ++x here.\n            return _nonces[owner]++;\n        }\n    }\n\n    /**\n     * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`.\n     */\n    function _useCheckedNonce(address owner, uint256 nonce) internal virtual {\n        uint256 current = _useNonce(owner);\n        if (nonce != current) {\n            revert InvalidAccountNonce(owner, current);\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/precrime/interfaces/IPreCrime.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\nstruct PreCrimePeer {\n    uint32 eid;\n    bytes32 preCrime;\n    bytes32 oApp;\n}\n\n// TODO not done yet\ninterface IPreCrime {\n    error OnlyOffChain();\n\n    // for simulate()\n    error PacketOversize(uint256 max, uint256 actual);\n    error PacketUnsorted();\n    error SimulationFailed(bytes reason);\n\n    // for preCrime()\n    error SimulationResultNotFound(uint32 eid);\n    error InvalidSimulationResult(uint32 eid, bytes reason);\n    error CrimeFound(bytes crime);\n\n    function getConfig(bytes[] calldata _packets, uint256[] calldata _packetMsgValues) external returns (bytes memory);\n\n    function simulate(\n        bytes[] calldata _packets,\n        uint256[] calldata _packetMsgValues\n    ) external payable returns (bytes memory);\n\n    function buildSimulationResult() external view returns (bytes memory);\n\n    function preCrime(\n        bytes[] calldata _packets,\n        uint256[] calldata _packetMsgValues,\n        bytes[] calldata _simulations\n    ) external;\n\n    function version() external view returns (uint64 major, uint8 minor);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"../Strings.sol\";\n\n/**\n * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n *\n * The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n */\nlibrary MessageHashUtils {\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing a bytes32 `messageHash` with\n     * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n     * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n     * keccak256, although any bytes32 value can be safely used because the final digest will\n     * be re-hashed.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n        }\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing an arbitrary `message` with\n     * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n     * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n        return\n            keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an ERC-191 signed data with version\n     * `0x00` (data with intended validator).\n     *\n     * The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n     * `validator` address. Then hashing the result.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n    }\n\n    /**\n     * @dev Variant of {toDataWithIntendedValidatorHash-address-bytes} optimized for cases where `data` is a bytes32.\n     */\n    function toDataWithIntendedValidatorHash(\n        address validator,\n        bytes32 messageHash\n    ) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            mstore(0x00, hex\"19_00\")\n            mstore(0x02, shl(96, validator))\n            mstore(0x16, messageHash)\n            digest := keccak256(0x00, 0x36)\n        }\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`).\n     *\n     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n     * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n        assembly (\"memory-safe\") {\n            let ptr := mload(0x40)\n            mstore(ptr, hex\"19_01\")\n            mstore(add(ptr, 0x02), domainSeparator)\n            mstore(add(ptr, 0x22), structHash)\n            digest := keccak256(ptr, 0x42)\n        }\n    }\n}\n"},{"file_path":"@layerzerolabs/oapp-evm/contracts/precrime/OAppPreCrimeSimulator.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { IPreCrime } from \"./interfaces/IPreCrime.sol\";\nimport { IOAppPreCrimeSimulator, InboundPacket, Origin } from \"./interfaces/IOAppPreCrimeSimulator.sol\";\n\n/**\n * @title OAppPreCrimeSimulator\n * @dev Abstract contract serving as the base for preCrime simulation functionality in an OApp.\n */\nabstract contract OAppPreCrimeSimulator is IOAppPreCrimeSimulator, Ownable {\n    // The address of the preCrime implementation.\n    address public preCrime;\n\n    /**\n     * @dev Retrieves the address of the OApp contract.\n     * @return The address of the OApp contract.\n     *\n     * @dev The simulator contract is the base contract for the OApp by default.\n     * @dev If the simulator is a separate contract, override this function.\n     */\n    function oApp() external view virtual returns (address) {\n        return address(this);\n    }\n\n    /**\n     * @dev Sets the preCrime contract address.\n     * @param _preCrime The address of the preCrime contract.\n     */\n    function setPreCrime(address _preCrime) public virtual onlyOwner {\n        preCrime = _preCrime;\n        emit PreCrimeSet(_preCrime);\n    }\n\n    /**\n     * @dev Interface for pre-crime simulations. Always reverts at the end with the simulation results.\n     * @param _packets An array of InboundPacket objects representing received packets to be delivered.\n     *\n     * @dev WARNING: MUST revert at the end with the simulation results.\n     * @dev Gives the preCrime implementation the ability to mock sending packets to the lzReceive function,\n     * WITHOUT actually executing them.\n     */\n    function lzReceiveAndRevert(InboundPacket[] calldata _packets) public payable virtual {\n        for (uint256 i = 0; i < _packets.length; i++) {\n            InboundPacket calldata packet = _packets[i];\n\n            // Ignore packets that are not from trusted peers.\n            if (!isPeer(packet.origin.srcEid, packet.origin.sender)) continue;\n\n            // @dev Because a verifier is calling this function, it doesnt have access to executor params:\n            //  - address _executor\n            //  - bytes calldata _extraData\n            // preCrime will NOT work for OApps that rely on these two parameters inside of their _lzReceive().\n            // They are instead stubbed to default values, address(0) and bytes(\"\")\n            // @dev Calling this.lzReceiveSimulate removes ability for assembly return 0 callstack exit,\n            // which would cause the revert to be ignored.\n            this.lzReceiveSimulate{ value: packet.value }(\n                packet.origin,\n                packet.guid,\n                packet.message,\n                packet.executor,\n                packet.extraData\n            );\n        }\n\n        // @dev Revert with the simulation results. msg.sender must implement IPreCrime.buildSimulationResult().\n        revert SimulationResult(IPreCrime(msg.sender).buildSimulationResult());\n    }\n\n    /**\n     * @dev Is effectively an internal function because msg.sender must be address(this).\n     * Allows resetting the call stack for 'internal' calls.\n     * @param _origin The origin information containing the source endpoint and sender address.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address on the src chain.\n     *  - nonce: The nonce of the message.\n     * @param _guid The unique identifier of the packet.\n     * @param _message The message payload of the packet.\n     * @param _executor The executor address for the packet.\n     * @param _extraData Additional data for the packet.\n     */\n    function lzReceiveSimulate(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) external payable virtual {\n        // @dev Ensure ONLY can be called 'internally'.\n        if (msg.sender != address(this)) revert OnlySelf();\n        _lzReceiveSimulate(_origin, _guid, _message, _executor, _extraData);\n    }\n\n    /**\n     * @dev Internal function to handle the OAppPreCrimeSimulator simulated receive.\n     * @param _origin The origin information.\n     *  - srcEid: The source chain endpoint ID.\n     *  - sender: The sender address from the src chain.\n     *  - nonce: The nonce of the LayerZero message.\n     * @param _guid The GUID of the LayerZero message.\n     * @param _message The LayerZero message.\n     * @param _executor The address of the off-chain executor.\n     * @param _extraData Arbitrary data passed by the msg executor.\n     *\n     * @dev Enables the preCrime simulator to mock sending lzReceive() messages,\n     * routes the msg down from the OAppPreCrimeSimulator, and back up to the OAppReceiver.\n     */\n    function _lzReceiveSimulate(\n        Origin calldata _origin,\n        bytes32 _guid,\n        bytes calldata _message,\n        address _executor,\n        bytes calldata _extraData\n    ) internal virtual;\n\n    /**\n     * @dev checks if the specified peer is considered 'trusted' by the OApp.\n     * @param _eid The endpoint Id to check.\n     * @param _peer The peer to check.\n     * @return Whether the peer passed is considered 'trusted' by the OApp.\n     */\n    function isPeer(uint32 _eid, bytes32 _peer) public view virtual returns (bool);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/math/Math.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\nimport {Panic} from \"../Panic.sol\";\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    enum Rounding {\n        Floor, // Toward negative infinity\n        Ceil, // Toward positive infinity\n        Trunc, // Toward zero\n        Expand // Away from zero\n    }\n\n    /**\n     * @dev Return the 512-bit addition of two uint256.\n     *\n     * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low.\n     */\n    function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        assembly (\"memory-safe\") {\n            low := add(a, b)\n            high := lt(low, a)\n        }\n    }\n\n    /**\n     * @dev Return the 512-bit multiplication of two uint256.\n     *\n     * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low.\n     */\n    function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use\n        // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n        // variables such that product = high * 2²⁵⁶ + low.\n        assembly (\"memory-safe\") {\n            let mm := mulmod(a, b, not(0))\n            low := mul(a, b)\n            high := sub(sub(mm, low), lt(mm, low))\n        }\n    }\n\n    /**\n     * @dev Returns the addition of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a + b;\n            success = c >= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow).\n     */\n    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a - b;\n            success = c <= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a * b;\n            assembly (\"memory-safe\") {\n                // Only true when the multiplication doesn't overflow\n                // (c / a == b) || (a == 0)\n                success := or(eq(div(c, a), b), iszero(a))\n            }\n            // equivalent to: success ? c : 0\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `DIV` opcode returns zero when the denominator is 0.\n                result := div(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `MOD` opcode returns zero when the denominator is 0.\n                result := mod(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryAdd(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing.\n     */\n    function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) {\n        (, uint256 result) = trySub(a, b);\n        return result;\n    }\n\n    /**\n     * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryMul(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * SafeCast.toUint(condition));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two numbers.\n     */\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two numbers.\n     */\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two numbers. The result is rounded towards\n     * zero.\n     */\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b) / 2 can overflow.\n        return (a & b) + (a ^ b) / 2;\n    }\n\n    /**\n     * @dev Returns the ceiling of the division of two numbers.\n     *\n     * This differs from standard division with `/` in that it rounds towards infinity instead\n     * of rounding towards zero.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        if (b == 0) {\n            // Guarantee the same behavior as in a regular Solidity division.\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n\n        // The following calculation ensures accurate ceiling division without overflow.\n        // Since a is non-zero, (a - 1) / b will not overflow.\n        // The largest possible result occurs when (a - 1) / b is type(uint256).max,\n        // but the largest value we can obtain is type(uint256).max - 1, which happens\n        // when a = type(uint256).max and b = 1.\n        unchecked {\n            return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);\n        }\n    }\n\n    /**\n     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n     * denominator == 0.\n     *\n     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n     * Uniswap Labs also under MIT license.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (high == 0) {\n                // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n                // The surrounding unchecked block does not change this fact.\n                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n                return low / denominator;\n            }\n\n            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.\n            if (denominator <= high) {\n                Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));\n            }\n\n            ///////////////////////////////////////////////\n            // 512 by 256 division.\n            ///////////////////////////////////////////////\n\n            // Make division exact by subtracting the remainder from [high low].\n            uint256 remainder;\n            assembly (\"memory-safe\") {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                high := sub(high, gt(remainder, low))\n                low := sub(low, remainder)\n            }\n\n            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n            uint256 twos = denominator & (0 - denominator);\n            assembly (\"memory-safe\") {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [high low] by twos.\n                low := div(low, twos)\n\n                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.\n                twos := add(div(sub(0, twos), twos), 1)\n            }\n\n            // Shift in bits from high into low.\n            low |= high * twos;\n\n            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such\n            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for\n            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.\n            uint256 inverse = (3 * denominator) ^ 2;\n\n            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n            // works in modular arithmetic, doubling the correct bits in each step.\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶\n            inverse *= 2 - denominator * inverse; // inverse mod 2³²\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶\n\n            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is\n            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and high\n            // is no longer required.\n            result = low * inverse;\n            return result;\n        }\n    }\n\n    /**\n     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);\n    }\n\n    /**\n     * @dev Calculates floor(x * y >> n) with full precision. Throws if result overflows a uint256.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n            if (high >= 1 << n) {\n                Panic.panic(Panic.UNDER_OVERFLOW);\n            }\n            return (high << (256 - n)) | (low >> n);\n        }\n    }\n\n    /**\n     * @dev Calculates x * y >> n with full precision, following the selected rounding direction.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n, Rounding rounding) internal pure returns (uint256) {\n        return mulShr(x, y, n) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, 1 << n) > 0);\n    }\n\n    /**\n     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.\n     *\n     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.\n     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.\n     *\n     * If the input value is not inversible, 0 is returned.\n     *\n     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the\n     * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.\n     */\n    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {\n        unchecked {\n            if (n == 0) return 0;\n\n            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)\n            // Used to compute integers x and y such that: ax + ny = gcd(a, n).\n            // When the gcd is 1, then the inverse of a modulo n exists and it's x.\n            // ax + ny = 1\n            // ax = 1 + (-y)n\n            // ax ≡ 1 (mod n) # x is the inverse of a modulo n\n\n            // If the remainder is 0 the gcd is n right away.\n            uint256 remainder = a % n;\n            uint256 gcd = n;\n\n            // Therefore the initial coefficients are:\n            // ax + ny = gcd(a, n) = n\n            // 0a + 1n = n\n            int256 x = 0;\n            int256 y = 1;\n\n            while (remainder != 0) {\n                uint256 quotient = gcd / remainder;\n\n                (gcd, remainder) = (\n                    // The old remainder is the next gcd to try.\n                    remainder,\n                    // Compute the next remainder.\n                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd\n                    // where gcd is at most n (capped to type(uint256).max)\n                    gcd - remainder * quotient\n                );\n\n                (x, y) = (\n                    // Increment the coefficient of a.\n                    y,\n                    // Decrement the coefficient of n.\n                    // Can overflow, but the result is casted to uint256 so that the\n                    // next value of y is \"wrapped around\" to a value between 0 and n - 1.\n                    x - y * int256(quotient)\n                );\n            }\n\n            if (gcd != 1) return 0; // No inverse exists.\n            return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.\n        }\n    }\n\n    /**\n     * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.\n     *\n     * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is\n     * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that\n     * `a**(p-2)` is the modular multiplicative inverse of a in Fp.\n     *\n     * NOTE: this function does NOT check that `p` is a prime greater than `2`.\n     */\n    function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {\n        unchecked {\n            return Math.modExp(a, p - 2, p);\n        }\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)\n     *\n     * Requirements:\n     * - modulus can't be zero\n     * - underlying staticcall to precompile must succeed\n     *\n     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make\n     * sure the chain you're using it on supports the precompiled contract for modular exponentiation\n     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,\n     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly\n     * interpreted as 0.\n     */\n    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {\n        (bool success, uint256 result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).\n     * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying\n     * to operate modulo 0 or if the underlying precompile reverted.\n     *\n     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain\n     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in\n     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack\n     * of a revert, but the result may be incorrectly interpreted as 0.\n     */\n    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {\n        if (m == 0) return (false, 0);\n        assembly (\"memory-safe\") {\n            let ptr := mload(0x40)\n            // | Offset    | Content    | Content (Hex)                                                      |\n            // |-----------|------------|--------------------------------------------------------------------|\n            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x60:0x7f | value of b | 0x<.............................................................b> |\n            // | 0x80:0x9f | value of e | 0x<.............................................................e> |\n            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |\n            mstore(ptr, 0x20)\n            mstore(add(ptr, 0x20), 0x20)\n            mstore(add(ptr, 0x40), 0x20)\n            mstore(add(ptr, 0x60), b)\n            mstore(add(ptr, 0x80), e)\n            mstore(add(ptr, 0xa0), m)\n\n            // Given the result < m, it's guaranteed to fit in 32 bytes,\n            // so we can use the memory scratch space located at offset 0.\n            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)\n            result := mload(0x00)\n        }\n    }\n\n    /**\n     * @dev Variant of {modExp} that supports inputs of arbitrary length.\n     */\n    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {\n        (bool success, bytes memory result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.\n     */\n    function tryModExp(\n        bytes memory b,\n        bytes memory e,\n        bytes memory m\n    ) internal view returns (bool success, bytes memory result) {\n        if (_zeroBytes(m)) return (false, new bytes(0));\n\n        uint256 mLen = m.length;\n\n        // Encode call args in result and move the free memory pointer\n        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);\n\n        assembly (\"memory-safe\") {\n            let dataPtr := add(result, 0x20)\n            // Write result on top of args to avoid allocating extra memory.\n            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)\n            // Overwrite the length.\n            // result.length > returndatasize() is guaranteed because returndatasize() == m.length\n            mstore(result, mLen)\n            // Set the memory pointer after the returned data.\n            mstore(0x40, add(dataPtr, mLen))\n        }\n    }\n\n    /**\n     * @dev Returns whether the provided byte array is zero.\n     */\n    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {\n        for (uint256 i = 0; i < byteArray.length; ++i) {\n            if (byteArray[i] != 0) {\n                return false;\n            }\n        }\n        return true;\n    }\n\n    /**\n     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n     * towards zero.\n     *\n     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only\n     * using integer operations.\n     */\n    function sqrt(uint256 a) internal pure returns (uint256) {\n        unchecked {\n            // Take care of easy edge cases when a == 0 or a == 1\n            if (a <= 1) {\n                return a;\n            }\n\n            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a\n            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between\n            // the current value as `ε_n = | x_n - sqrt(a) |`.\n            //\n            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root\n            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is\n            // bigger than any uint256.\n            //\n            // By noticing that\n            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`\n            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar\n            // to the msb function.\n            uint256 aa = a;\n            uint256 xn = 1;\n\n            if (aa >= (1 << 128)) {\n                aa >>= 128;\n                xn <<= 64;\n            }\n            if (aa >= (1 << 64)) {\n                aa >>= 64;\n                xn <<= 32;\n            }\n            if (aa >= (1 << 32)) {\n                aa >>= 32;\n                xn <<= 16;\n            }\n            if (aa >= (1 << 16)) {\n                aa >>= 16;\n                xn <<= 8;\n            }\n            if (aa >= (1 << 8)) {\n                aa >>= 8;\n                xn <<= 4;\n            }\n            if (aa >= (1 << 4)) {\n                aa >>= 4;\n                xn <<= 2;\n            }\n            if (aa >= (1 << 2)) {\n                xn <<= 1;\n            }\n\n            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).\n            //\n            // We can refine our estimation by noticing that the middle of that interval minimizes the error.\n            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).\n            // This is going to be our x_0 (and ε_0)\n            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)\n\n            // From here, Newton's method give us:\n            // x_{n+1} = (x_n + a / x_n) / 2\n            //\n            // One should note that:\n            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a\n            //              = ((x_n² + a) / (2 * x_n))² - a\n            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a\n            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)\n            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)\n            //              = (x_n² - a)² / (2 * x_n)²\n            //              = ((x_n² - a) / (2 * x_n))²\n            //              ≥ 0\n            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n\n            //\n            // This gives us the proof of quadratic convergence of the sequence:\n            // ε_{n+1} = | x_{n+1} - sqrt(a) |\n            //         = | (x_n + a / x_n) / 2 - sqrt(a) |\n            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |\n            //         = | (x_n - sqrt(a))² / (2 * x_n) |\n            //         = | ε_n² / (2 * x_n) |\n            //         = ε_n² / | (2 * x_n) |\n            //\n            // For the first iteration, we have a special case where x_0 is known:\n            // ε_1 = ε_0² / | (2 * x_0) |\n            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))\n            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))\n            //     ≤ 2**(e-3) / 3\n            //     ≤ 2**(e-3-log2(3))\n            //     ≤ 2**(e-4.5)\n            //\n            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:\n            // ε_{n+1} = ε_n² / | (2 * x_n) |\n            //         ≤ (2**(e-k))² / (2 * 2**(e-1))\n            //         ≤ 2**(2*e-2*k) / 2**e\n            //         ≤ 2**(e-2*k)\n            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above\n            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5\n            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9\n            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18\n            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36\n            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72\n\n            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision\n            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either\n            // sqrt(a) or sqrt(a) + 1.\n            return xn - SafeCast.toUint(xn > a / xn);\n        }\n    }\n\n    /**\n     * @dev Calculates sqrt(a), following the selected rounding direction.\n     */\n    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = sqrt(a);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // If upper 8 bits of 16-bit half set, add 8 to result\n        r |= SafeCast.toUint((x >> r) > 0xff) << 3;\n        // If upper 4 bits of 8-bit half set, add 4 to result\n        r |= SafeCast.toUint((x >> r) > 0xf) << 2;\n\n        // Shifts value right by the current result and use it as an index into this lookup table:\n        //\n        // | x (4 bits) |  index  | table[index] = MSB position |\n        // |------------|---------|-----------------------------|\n        // |    0000    |    0    |        table[0] = 0         |\n        // |    0001    |    1    |        table[1] = 0         |\n        // |    0010    |    2    |        table[2] = 1         |\n        // |    0011    |    3    |        table[3] = 1         |\n        // |    0100    |    4    |        table[4] = 2         |\n        // |    0101    |    5    |        table[5] = 2         |\n        // |    0110    |    6    |        table[6] = 2         |\n        // |    0111    |    7    |        table[7] = 2         |\n        // |    1000    |    8    |        table[8] = 3         |\n        // |    1001    |    9    |        table[9] = 3         |\n        // |    1010    |   10    |        table[10] = 3        |\n        // |    1011    |   11    |        table[11] = 3        |\n        // |    1100    |   12    |        table[12] = 3        |\n        // |    1101    |   13    |        table[13] = 3        |\n        // |    1110    |   14    |        table[14] = 3        |\n        // |    1111    |   15    |        table[15] = 3        |\n        //\n        // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the last 16 bytes.\n        assembly (\"memory-safe\") {\n            r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000))\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log2(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     *\n     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n     */\n    function log256(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8\n        return (r >> 3) | SafeCast.toUint((x >> r) > 0xff);\n    }\n\n    /**\n     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log256(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);\n        }\n    }\n\n    /**\n     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n     */\n    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n        return uint8(rounding) % 2 == 1;\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/access/Ownable.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    /**\n     * @dev The caller account is not authorized to perform an operation.\n     */\n    error OwnableUnauthorizedAccount(address account);\n\n    /**\n     * @dev The owner is not a valid owner account. (eg. `address(0)`)\n     */\n    error OwnableInvalidOwner(address owner);\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n     */\n    constructor(address initialOwner) {\n        if (initialOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\n        _transferOwnership(initialOwner);\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        if (owner() != _msgSender()) {\n            revert OwnableUnauthorizedAccount(_msgSender());\n        }\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        if (newOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\nimport { IMessageLibManager } from \"./IMessageLibManager.sol\";\nimport { IMessagingComposer } from \"./IMessagingComposer.sol\";\nimport { IMessagingChannel } from \"./IMessagingChannel.sol\";\nimport { IMessagingContext } from \"./IMessagingContext.sol\";\n\nstruct MessagingParams {\n    uint32 dstEid;\n    bytes32 receiver;\n    bytes message;\n    bytes options;\n    bool payInLzToken;\n}\n\nstruct MessagingReceipt {\n    bytes32 guid;\n    uint64 nonce;\n    MessagingFee fee;\n}\n\nstruct MessagingFee {\n    uint256 nativeFee;\n    uint256 lzTokenFee;\n}\n\nstruct Origin {\n    uint32 srcEid;\n    bytes32 sender;\n    uint64 nonce;\n}\n\ninterface ILayerZeroEndpointV2 is IMessageLibManager, IMessagingComposer, IMessagingChannel, IMessagingContext {\n    event PacketSent(bytes encodedPayload, bytes options, address sendLibrary);\n\n    event PacketVerified(Origin origin, address receiver, bytes32 payloadHash);\n\n    event PacketDelivered(Origin origin, address receiver);\n\n    event LzReceiveAlert(\n        address indexed receiver,\n        address indexed executor,\n        Origin origin,\n        bytes32 guid,\n        uint256 gas,\n        uint256 value,\n        bytes message,\n        bytes extraData,\n        bytes reason\n    );\n\n    event LzTokenSet(address token);\n\n    event DelegateSet(address sender, address delegate);\n\n    function quote(MessagingParams calldata _params, address _sender) external view returns (MessagingFee memory);\n\n    function send(\n        MessagingParams calldata _params,\n        address _refundAddress\n    ) external payable returns (MessagingReceipt memory);\n\n    function verify(Origin calldata _origin, address _receiver, bytes32 _payloadHash) external;\n\n    function verifiable(Origin calldata _origin, address _receiver) external view returns (bool);\n\n    function initializable(Origin calldata _origin, address _receiver) external view returns (bool);\n\n    function lzReceive(\n        Origin calldata _origin,\n        address _receiver,\n        bytes32 _guid,\n        bytes calldata _message,\n        bytes calldata _extraData\n    ) external payable;\n\n    // oapp can burn messages partially by calling this function with its own business logic if messages are verified in order\n    function clear(address _oapp, Origin calldata _origin, bytes32 _guid, bytes calldata _message) external;\n\n    function setLzToken(address _lzToken) external;\n\n    function lzToken() external view returns (address);\n\n    function nativeToken() external view returns (address);\n\n    function setDelegate(address _delegate) external;\n}\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol","source_code":"// SPDX-License-Identifier: LZBL-1.2\n\npragma solidity ^0.8.20;\n\nimport { Packet } from \"../../interfaces/ISendLib.sol\";\nimport { AddressCast } from \"../../libs/AddressCast.sol\";\n\nlibrary PacketV1Codec {\n    using AddressCast for address;\n    using AddressCast for bytes32;\n\n    uint8 internal constant PACKET_VERSION = 1;\n\n    // header (version + nonce + path)\n    // version\n    uint256 private constant PACKET_VERSION_OFFSET = 0;\n    //    nonce\n    uint256 private constant NONCE_OFFSET = 1;\n    //    path\n    uint256 private constant SRC_EID_OFFSET = 9;\n    uint256 private constant SENDER_OFFSET = 13;\n    uint256 private constant DST_EID_OFFSET = 45;\n    uint256 private constant RECEIVER_OFFSET = 49;\n    // payload (guid + message)\n    uint256 private constant GUID_OFFSET = 81; // keccak256(nonce + path)\n    uint256 private constant MESSAGE_OFFSET = 113;\n\n    function encode(Packet memory _packet) internal pure returns (bytes memory encodedPacket) {\n        encodedPacket = abi.encodePacked(\n            PACKET_VERSION,\n            _packet.nonce,\n            _packet.srcEid,\n            _packet.sender.toBytes32(),\n            _packet.dstEid,\n            _packet.receiver,\n            _packet.guid,\n            _packet.message\n        );\n    }\n\n    function encodePacketHeader(Packet memory _packet) internal pure returns (bytes memory) {\n        return\n            abi.encodePacked(\n                PACKET_VERSION,\n                _packet.nonce,\n                _packet.srcEid,\n                _packet.sender.toBytes32(),\n                _packet.dstEid,\n                _packet.receiver\n            );\n    }\n\n    function encodePayload(Packet memory _packet) internal pure returns (bytes memory) {\n        return abi.encodePacked(_packet.guid, _packet.message);\n    }\n\n    function header(bytes calldata _packet) internal pure returns (bytes calldata) {\n        return _packet[0:GUID_OFFSET];\n    }\n\n    function version(bytes calldata _packet) internal pure returns (uint8) {\n        return uint8(bytes1(_packet[PACKET_VERSION_OFFSET:NONCE_OFFSET]));\n    }\n\n    function nonce(bytes calldata _packet) internal pure returns (uint64) {\n        return uint64(bytes8(_packet[NONCE_OFFSET:SRC_EID_OFFSET]));\n    }\n\n    function srcEid(bytes calldata _packet) internal pure returns (uint32) {\n        return uint32(bytes4(_packet[SRC_EID_OFFSET:SENDER_OFFSET]));\n    }\n\n    function sender(bytes calldata _packet) internal pure returns (bytes32) {\n        return bytes32(_packet[SENDER_OFFSET:DST_EID_OFFSET]);\n    }\n\n    function senderAddressB20(bytes calldata _packet) internal pure returns (address) {\n        return sender(_packet).toAddress();\n    }\n\n    function dstEid(bytes calldata _packet) internal pure returns (uint32) {\n        return uint32(bytes4(_packet[DST_EID_OFFSET:RECEIVER_OFFSET]));\n    }\n\n    function receiver(bytes calldata _packet) internal pure returns (bytes32) {\n        return bytes32(_packet[RECEIVER_OFFSET:GUID_OFFSET]);\n    }\n\n    function receiverB20(bytes calldata _packet) internal pure returns (address) {\n        return receiver(_packet).toAddress();\n    }\n\n    function guid(bytes calldata _packet) internal pure returns (bytes32) {\n        return bytes32(_packet[GUID_OFFSET:MESSAGE_OFFSET]);\n    }\n\n    function message(bytes calldata _packet) internal pure returns (bytes calldata) {\n        return bytes(_packet[MESSAGE_OFFSET:]);\n    }\n\n    function payload(bytes calldata _packet) internal pure returns (bytes calldata) {\n        return bytes(_packet[GUID_OFFSET:]);\n    }\n\n    function payloadHash(bytes calldata _packet) internal pure returns (bytes32) {\n        return keccak256(payload(_packet));\n    }\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/IERC165.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC165} from \"../utils/introspection/IERC165.sol\";\n"},{"file_path":"@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/IMessagingChannel.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity >=0.8.0;\n\ninterface IMessagingChannel {\n    event InboundNonceSkipped(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce);\n    event PacketNilified(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);\n    event PacketBurnt(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);\n\n    function eid() external view returns (uint32);\n\n    // this is an emergency function if a message cannot be verified for some reasons\n    // required to provide _nextNonce to avoid race condition\n    function skip(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce) external;\n\n    function nilify(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;\n\n    function burn(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;\n\n    function nextGuid(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (bytes32);\n\n    function inboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);\n\n    function outboundNonce(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (uint64);\n\n    function inboundPayloadHash(\n        address _receiver,\n        uint32 _srcEid,\n        bytes32 _sender,\n        uint64 _nonce\n    ) external view returns (bytes32);\n\n    function lazyInboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);\n}\n"},{"file_path":"@openzeppelin/contracts/utils/introspection/IERC165.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[ERC].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns 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