{"file_path":"contracts/GensynTokenOFTAdapter.sol","creation_status":"success","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.22;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { OFTAdapter } from \"@layerzerolabs/oft-evm/contracts/OFTAdapter.sol\";\n\n/**\n * @title GensynTokenOFTAdapter Contract\n * @dev GensynTokenOFTAdapter is a contract that adapts an ERC-20 token to the OFT functionality.\n *\n * @dev For existing ERC20 tokens, this can be used to convert the token to crosschain compatibility.\n * @dev WARNING: ONLY 1 of these should exist for a given global mesh,\n * unless you make a NON-default implementation of OFT and needs to be done very carefully.\n * @dev WARNING: The default OFTAdapter implementation assumes LOSSLESS transfers, ie. 1 token in, 1 token out.\n * IF the 'innerToken' applies something like a transfer fee, the default will NOT work...\n * a pre/post balance check will need to be done to calculate the amountSentLD/amountReceivedLD.\n */\ncontract GensynTokenOFTAdapter is OFTAdapter {\n constructor(\n address _token,\n address _lzEndpoint,\n address _delegate\n ) OFTAdapter(_token, _lzEndpoint, _delegate) Ownable(_delegate) {}\n}\n","deployed_bytecode":"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SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.22;\n\nimport { GensynTokenOFTAdapter } from \"../GensynTokenOFTAdapter.sol\";\n\n// @dev WARNING: This is for testing purposes only\ncontract MyOFTAdapterMock is GensynTokenOFTAdapter {\n constructor(address _token, address _lzEndpoint, address _delegate) GensynTokenOFTAdapter(_token, _lzEndpoint, _delegate) {}\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/IERC20.sol","source_code":"// 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":"@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":"@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/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/token/ERC20/ERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (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 sets 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 v5.5.0) (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 if (!_safeTransfer(token, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\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 if (!_safeTransferFrom(token, from, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\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 _safeTransfer(token, to, value, false);\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 _safeTransferFrom(token, from, to, value, false);\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 if (!_safeApprove(token, spender, value, false)) {\n if (!_safeApprove(token, spender, 0, true)) revert SafeERC20FailedOperation(address(token));\n if (!_safeApprove(token, spender, value, true)) revert SafeERC20FailedOperation(address(token));\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 relies 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 relies 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 * Oppositely, 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 `token.transfer(to, value)` call, relaxing the requirement on the return value: the\n * return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransfer(IERC20 token, address to, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.transfer.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(to, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.transferFrom(from, to, value)` call, relaxing the requirement on the return\n * value: the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param from The sender of the tokens\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value,\n bool bubble\n ) private returns (bool success) {\n bytes4 selector = IERC20.transferFrom.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(from, shr(96, not(0))))\n mstore(0x24, and(to, shr(96, not(0))))\n mstore(0x44, value)\n success := call(gas(), token, 0, 0x00, 0x64, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n mstore(0x60, 0)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.approve(spender, value)` call, relaxing the requirement on the return value:\n * the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param spender The spender of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeApprove(IERC20 token, address spender, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.approve.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(spender, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\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":"@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":"@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":"@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":"@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":"contracts/mocks/MyERC20Mock.sol","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.20;\n\nimport { ERC20 } from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\n// @dev WARNING: This is for testing purposes only\ncontract MyERC20Mock is ERC20 {\n constructor(string memory _name, string memory _symbol) ERC20(_name, _symbol) {}\n\n function mint(address _to, uint256 _amount) public {\n _mint(_to, _amount);\n }\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":"@layerzerolabs/oft-evm/contracts/OFTAdapter.sol","source_code":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport { IERC20Metadata, IERC20 } from \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport { SafeERC20 } from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport { IOFT, OFTCore } from \"./OFTCore.sol\";\n\n/**\n * @title OFTAdapter Contract\n * @dev OFTAdapter is a contract that adapts an ERC-20 token to the OFT functionality.\n *\n * @dev For existing ERC20 tokens, this can be used to convert the token to crosschain compatibility.\n * @dev WARNING: ONLY 1 of these should exist for a given global mesh,\n * unless you make a NON-default implementation of OFT and needs to be done very carefully.\n * @dev WARNING: The default OFTAdapter implementation assumes LOSSLESS transfers, ie. 1 token in, 1 token out.\n * IF the 'innerToken' applies something like a transfer fee, the default will NOT work...\n * a pre/post balance check will need to be done to calculate the amountSentLD/amountReceivedLD.\n */\nabstract contract OFTAdapter is OFTCore {\n using SafeERC20 for IERC20;\n\n IERC20 internal immutable innerToken;\n\n /**\n * @dev Constructor for the OFTAdapter contract.\n * @param _token The address of the ERC-20 token to be adapted.\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 address _token,\n address _lzEndpoint,\n address _delegate\n ) OFTCore(IERC20Metadata(_token).decimals(), _lzEndpoint, _delegate) {\n innerToken = IERC20(_token);\n }\n\n /**\n * @dev Retrieves the address of the underlying ERC20 implementation.\n * @return The address of the adapted ERC-20 token.\n *\n * @dev In the case of OFTAdapter, address(this) and erc20 are NOT the same contract.\n */\n function token() public view returns (address) {\n return address(innerToken);\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 default OFTAdapter, approval is required.\n * @dev In non-default OFTAdapter contracts with something like mint and burn privileges, it would NOT need approval.\n */\n function approvalRequired() external pure virtual returns (bool) {\n return true;\n }\n\n /**\n * @dev Locks tokens from the sender's specified balance in this contract.\n * @param _from The address to debit 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 * @dev msg.sender will need to approve this _amountLD of tokens to be locked inside of the contract.\n * @dev WARNING: The default OFTAdapter implementation assumes LOSSLESS transfers, ie. 1 token in, 1 token out.\n * IF the 'innerToken' applies something like a transfer fee, the default will NOT work...\n * a pre/post balance check will need to be done to calculate the amountReceivedLD.\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 // @dev Lock tokens by moving them into this contract from the caller.\n innerToken.safeTransferFrom(_from, address(this), 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 * @dev WARNING: The default OFTAdapter implementation assumes LOSSLESS transfers, ie. 1 token in, 1 token out.\n * IF the 'innerToken' applies something like a transfer fee, the default will NOT work...\n * a pre/post balance check will need to be done to calculate the amountReceivedLD.\n */\n function _credit(\n address _to,\n uint256 _amountLD,\n uint32 /*_srcEid*/\n ) internal virtual override returns (uint256 amountReceivedLD) {\n // @dev Unlock the tokens and transfer to the recipient.\n innerToken.safeTransfer(_to, _amountLD);\n // @dev In the case of NON-default OFTAdapter, the amountLD MIGHT not be == amountReceivedLD.\n return _amountLD;\n }\n}\n"},{"file_path":"@openzeppelin/contracts/interfaces/draft-IERC6093.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (interfaces/draft-IERC6093.sol)\n\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-721.\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/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":"@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":"contracts/mocks/MyOFTMock.sol","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.22;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { OFT } from \"@layerzerolabs/oft-evm/contracts/OFT.sol\";\n\n// @dev WARNING: This is for testing purposes only\ncontract MyOFTMock is OFT {\n constructor(\n string memory _name,\n string memory _symbol,\n address _lzEndpoint,\n address _delegate\n ) OFT(_name, _symbol, _lzEndpoint, _delegate) Ownable(_delegate) {}\n\n function mint(address _to, uint256 _amount) public {\n _mint(_to, _amount);\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":"@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":"contracts/MyOFT.sol","source_code":"// SPDX-License-Identifier: UNLICENSED\npragma solidity ^0.8.22;\n\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { OFT } from \"@layerzerolabs/oft-evm/contracts/OFT.sol\";\n\ncontract MyOFT is OFT {\n constructor(\n string memory _name,\n string memory _symbol,\n address _lzEndpoint,\n address _delegate\n ) OFT(_name, _symbol, _lzEndpoint, _delegate) Ownable(_delegate) {\n // Uncomment the line below to mint test tokens on deployment (for testnet only)\n // _mint(msg.sender, 100000 * (10 ** 18));\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/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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