creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "@openzeppelin/contracts-0.8/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../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 * By default, the owner account will be the one that deploys the contract. This\n * can 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    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\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 called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n        _;\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing 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        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\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"
      },
      "@openzeppelin/contracts-0.8/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\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    /**\n     * @notice This function returns the address of the sender of the message.\n     * @dev This function is an internal view function that returns the address of the sender of the message.\n     */\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    /**\n     * @notice _msgData() is an internal view function that returns the calldata of the message.\n     * @dev This function is used to access the calldata of the message.\n     */\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"
      },
      "contracts/interfaces/balancer/IBalGaugeController.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.11;\n\ninterface IBalGaugeController {\n    function get_gauge_weight(address _gauge) external view returns (uint256);\n\n    function vote_user_slopes(address, address)\n        external\n        view\n        returns (\n            uint256,\n            uint256,\n            uint256\n        ); //slope,power,end\n\n    function vote_for_gauge_weights(address, uint256) external;\n\n    function add_gauge(\n        address,\n        int128,\n        uint256\n    ) external;\n\n    function gauges(uint256) external view returns (address);\n\n    function checkpoint_gauge(address) external;\n\n    function n_gauges() external view returns (uint256);\n}\n"
      },
      "contracts/interfaces/balancer/IStakelessGauge.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.11;\n\ninterface IStakelessGauge {\n    function getRecipient() external view returns (address);\n}\n"
      },
      "contracts/interfaces/balancer/IStakelessGaugeCheckpointer.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.11;\n\nimport \"./IStakelessGauge.sol\";\n\ninterface IStakelessGaugeCheckpointer {\n    event GaugeAdded(IStakelessGauge indexed gauge, string indexed indexedGaugeType, string gaugeType);\n    event GaugeRemoved(IStakelessGauge indexed gauge, string indexed indexedGaugeType, string gaugeType);\n\n    function getGaugeAdder() external view returns (address);\n\n    function getGaugeTypes() external view returns (string[] memory);\n\n    function addGaugesWithVerifiedType(string memory gaugeType, IStakelessGauge[] calldata gauges) external;\n\n    function addGauges(string memory gaugeType, IStakelessGauge[] calldata gauges) external;\n\n    function removeGauges(string memory gaugeType, IStakelessGauge[] calldata gauges) external;\n\n    /**\n     * @notice Returns true if the given gauge was added for the given type; false otherwise.\n     * @param gaugeType Type of the gauge.\n     * @param gauge Gauge to check.\n     */\n    function hasGauge(string memory gaugeType, address gauge) external view returns (bool);\n\n    function getTotalGauges(string memory gaugeType) external view returns (uint256);\n\n    function getGaugeAtIndex(string memory gaugeType, uint256 index) external view returns (IStakelessGauge);\n\n    function getRoundedDownBlockTimestamp() external view returns (uint256);\n\n    function checkpointAllGaugesAboveRelativeWeight(uint256 minRelativeWeight) external payable;\n\n    function checkpointGaugesOfTypesAboveRelativeWeight(string[] memory gaugeTypes, uint256 minRelativeWeight)\n        external\n        payable;\n\n    function checkpointSingleGauge(string memory gaugeType, IStakelessGauge gauge) external payable;\n\n    function checkpointMultipleGaugesOfMatchingType(string memory gaugeType, IStakelessGauge[] memory gauges)\n        external\n        payable;\n\n    function checkpointMultipleGauges(string[] memory gaugeTypes, IStakelessGauge[] memory gauges) external payable;\n\n    function getTotalBridgeCost(uint256 minRelativeWeight) external view returns (uint256);\n\n    function getGaugeTypesBridgeCost(string[] memory gaugeTypes, uint256 minRelativeWeight)\n        external\n        view\n        returns (uint256 totalCost);\n\n    function getSingleBridgeCost(string memory gaugeType, IStakelessGauge gauge) external view returns (uint256);\n\n    function isValidGaugeType(string memory gaugeType) external view returns (bool);\n}\n"
      },
      "contracts/layerzero/interfaces/ILayerZeroEndpoint.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.11;\n\nimport \"./ILayerZeroUserApplicationConfig.sol\";\n\ninterface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {\n    // @notice send a LayerZero message to the specified address at a LayerZero endpoint.\n    // @param _dstChainId - the destination chain identifier\n    // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains\n    // @param _payload - a custom bytes payload to send to the destination contract\n    // @param _refundAddress - if the source transaction is cheaper than the amount of value passed,\n    //                         refund the additional amount to this address\n    // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction\n    // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the\n    //                         relayer on destination\n    function send(\n        uint16 _dstChainId,\n        bytes calldata _destination,\n        bytes calldata _payload,\n        address payable _refundAddress,\n        address _zroPaymentAddress,\n        bytes calldata _adapterParams\n    ) external payable;\n\n    // @notice used by the messaging library to publish verified payload\n    // @param _srcChainId - the source chain identifier\n    // @param _srcAddress - the source contract (as bytes) at the source chain\n    // @param _dstAddress - the address on destination chain\n    // @param _nonce - the unbound message ordering nonce\n    // @param _gasLimit - the gas limit for external contract execution\n    // @param _payload - verified payload to send to the destination contract\n    function receivePayload(\n        uint16 _srcChainId,\n        bytes calldata _srcAddress,\n        address _dstAddress,\n        uint64 _nonce,\n        uint256 _gasLimit,\n        bytes calldata _payload\n    ) external;\n\n    // @notice get the inboundNonce of a lzApp from a source chain which could be EVM or non-EVM chain\n    // @param _srcChainId - the source chain identifier\n    // @param _srcAddress - the source chain contract address\n    function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);\n\n    // @notice get the outboundNonce from this source chain which, consequently, is always an EVM\n    // @param _srcAddress - the source chain contract address\n    function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);\n\n    // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery\n    // @param _dstChainId - the destination chain identifier\n    // @param _userApplication - the user app address on this EVM chain\n    // @param _payload - the custom message to send over LayerZero\n    // @param _payInZRO - if false, user app pays the protocol fee in native token\n    // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain\n    function estimateFees(\n        uint16 _dstChainId,\n        address _userApplication,\n        bytes calldata _payload,\n        bool _payInZRO,\n        bytes calldata _adapterParam\n    ) external view returns (uint256 nativeFee, uint256 zroFee);\n\n    // @notice get this Endpoint's immutable source identifier\n    function getChainId() external view returns (uint16);\n\n    // @notice the interface to retry failed message on this Endpoint destination\n    // @param _srcChainId - the source chain identifier\n    // @param _srcAddress - the source chain contract address\n    // @param _payload - the payload to be retried\n    function retryPayload(\n        uint16 _srcChainId,\n        bytes calldata _srcAddress,\n        bytes calldata _payload\n    ) external;\n\n    // @notice query if any STORED payload (message blocking) at the endpoint.\n    // @param _srcChainId - the source chain identifier\n    // @param _srcAddress - the source chain contract address\n    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);\n\n    // @notice query if the _libraryAddress is valid for sending msgs.\n    // @param _userApplication - the user app address on this EVM chain\n    function getSendLibraryAddress(address _userApplication) external view returns (address);\n\n    // @notice query if the _libraryAddress is valid for receiving msgs.\n    // @param _userApplication - the user app address on this EVM chain\n    function getReceiveLibraryAddress(address _userApplication) external view returns (address);\n\n    // @notice query if the non-reentrancy guard for send() is on\n    // @return true if the guard is on. false otherwise\n    function isSendingPayload() external view returns (bool);\n\n    // @notice query if the non-reentrancy guard for receive() is on\n    // @return true if the guard is on. false otherwise\n    function isReceivingPayload() external view returns (bool);\n\n    // @notice get the configuration of the LayerZero messaging library of the specified version\n    // @param _version - messaging library version\n    // @param _chainId - the chainId for the pending config change\n    // @param _userApplication - the contract address of the user application\n    // @param _configType - type of configuration. every messaging library has its own convention.\n    function getConfig(\n        uint16 _version,\n        uint16 _chainId,\n        address _userApplication,\n        uint256 _configType\n    ) external view returns (bytes memory);\n\n    // @notice get the send() LayerZero messaging library version\n    // @param _userApplication - the contract address of the user application\n    function getSendVersion(address _userApplication) external view returns (uint16);\n\n    // @notice get the lzReceive() LayerZero messaging library version\n    // @param _userApplication - the contract address of the user application\n    function getReceiveVersion(address _userApplication) external view returns (uint16);\n}\n"
      },
      "contracts/layerzero/interfaces/ILayerZeroReceiver.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.11;\n\ninterface ILayerZeroReceiver {\n    // @notice LayerZero endpoint will invoke this function to deliver the message on the destination\n    // @param _srcChainId - the source endpoint identifier\n    // @param _srcAddress - the source sending contract address from the source chain\n    // @param _nonce - the ordered message nonce\n    // @param _payload - the signed payload is the UA bytes has encoded to be sent\n    function lzReceive(\n        uint16 _srcChainId,\n        bytes calldata _srcAddress,\n        uint64 _nonce,\n        bytes calldata _payload\n    ) external;\n}\n"
      },
      "contracts/layerzero/interfaces/ILayerZeroUserApplicationConfig.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.11;\n\ninterface ILayerZeroUserApplicationConfig {\n    // @notice set the configuration of the LayerZero messaging library of the specified version\n    // @param _version - messaging library version\n    // @param _chainId - the chainId for the pending config change\n    // @param _configType - type of configuration. every messaging library has its own convention.\n    // @param _config - configuration in the bytes. can encode arbitrary content.\n    function setConfig(\n        uint16 _version,\n        uint16 _chainId,\n        uint256 _configType,\n        bytes calldata _config\n    ) external;\n\n    // @notice set the send() LayerZero messaging library version to _version\n    // @param _version - new messaging library version\n    function setSendVersion(uint16 _version) external;\n\n    // @notice set the lzReceive() LayerZero messaging library version to _version\n    // @param _version - new messaging library version\n    function setReceiveVersion(uint16 _version) external;\n\n    // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload\n    // @param _srcChainId - the chainId of the source chain\n    // @param _srcAddress - the contract address of the source contract at the source chain\n    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;\n}\n"
      },
      "contracts/layerzero/lzApp/LzApp.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.11;\n\nimport \"@openzeppelin/contracts-0.8/access/Ownable.sol\";\nimport \"../interfaces/ILayerZeroReceiver.sol\";\nimport \"../interfaces/ILayerZeroUserApplicationConfig.sol\";\nimport \"../interfaces/ILayerZeroEndpoint.sol\";\nimport \"../util/BytesLib.sol\";\n\n/*\n * a generic LzReceiver implementation\n */\nabstract contract LzApp is Ownable, ILayerZeroReceiver, ILayerZeroUserApplicationConfig {\n    using BytesLib for bytes;\n\n    // ua can not send payload larger than this by default, but it can be changed by the ua owner\n    uint256 public constant DEFAULT_PAYLOAD_SIZE_LIMIT = 10000;\n\n    ILayerZeroEndpoint public lzEndpoint;\n    mapping(uint16 => bytes) public trustedRemoteLookup;\n    mapping(uint16 => mapping(uint16 => uint256)) public minDstGasLookup;\n    mapping(uint16 => uint256) public payloadSizeLimitLookup;\n    address public precrime;\n\n    event SetPrecrime(address precrime);\n    event SetTrustedRemote(uint16 _remoteChainId, bytes _path);\n    event SetTrustedRemoteAddress(uint16 _remoteChainId, bytes _remoteAddress);\n    event SetMinDstGas(uint16 _dstChainId, uint16 _type, uint256 _minDstGas);\n\n    function _initializeLzApp(address _endpoint) internal {\n        require(address(lzEndpoint) == address(0), \"already initialized\");\n        require(_endpoint != address(0), \"endpoint=0\");\n        lzEndpoint = ILayerZeroEndpoint(_endpoint);\n    }\n\n    function lzReceive(\n        uint16 _srcChainId,\n        bytes calldata _srcAddress,\n        uint64 _nonce,\n        bytes calldata _payload\n    ) public virtual override {\n        // lzReceive must be called by the endpoint for security\n        require(_msgSender() == address(lzEndpoint), \"LzApp: invalid endpoint caller\");\n\n        bytes memory trustedRemote = trustedRemoteLookup[_srcChainId];\n        // if will still block the message pathway from (srcChainId, srcAddress).\n        // should not receive message from untrusted remote.\n        require(\n            _srcAddress.length == trustedRemote.length &&\n                trustedRemote.length > 0 &&\n                keccak256(_srcAddress) == keccak256(trustedRemote),\n            \"LzApp: invalid source sending contract\"\n        );\n\n        _blockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);\n    }\n\n    // abstract function - the default behaviour of LayerZero is blocking.\n    // See: NonblockingLzApp if you dont need to enforce ordered messaging\n    function _blockingLzReceive(\n        uint16 _srcChainId,\n        bytes memory _srcAddress,\n        uint64 _nonce,\n        bytes memory _payload\n    ) internal virtual;\n\n    function _lzSend(\n        uint16 _dstChainId,\n        bytes memory _payload,\n        address payable _refundAddress,\n        address _zroPaymentAddress,\n        bytes memory _adapterParams,\n        uint256 _nativeFee\n    ) internal virtual {\n        bytes memory trustedRemote = trustedRemoteLookup[_dstChainId];\n        require(trustedRemote.length != 0, \"LzApp: destination chain is not a trusted source\");\n        _checkPayloadSize(_dstChainId, _payload.length);\n        lzEndpoint.send{ value: _nativeFee }(\n            _dstChainId,\n            trustedRemote,\n            _payload,\n            _refundAddress,\n            _zroPaymentAddress,\n            _adapterParams\n        );\n    }\n\n    function _checkGasLimit(\n        uint16 _dstChainId,\n        uint16 _type,\n        bytes memory _adapterParams,\n        uint256 _extraGas\n    ) internal view virtual {\n        uint256 providedGasLimit = _getGasLimit(_adapterParams);\n        uint256 minGasLimit = minDstGasLookup[_dstChainId][_type] + _extraGas;\n        require(minGasLimit > 0, \"LzApp: minGasLimit not set\");\n        require(providedGasLimit >= minGasLimit, \"LzApp: gas limit is too low\");\n    }\n\n    function _getGasLimit(bytes memory _adapterParams) internal pure virtual returns (uint256 gasLimit) {\n        require(_adapterParams.length >= 34, \"LzApp: invalid adapterParams\");\n        assembly {\n            gasLimit := mload(add(_adapterParams, 34))\n        }\n    }\n\n    function _checkPayloadSize(uint16 _dstChainId, uint256 _payloadSize) internal view virtual {\n        uint256 payloadSizeLimit = payloadSizeLimitLookup[_dstChainId];\n        if (payloadSizeLimit == 0) {\n            // use default if not set\n            payloadSizeLimit = DEFAULT_PAYLOAD_SIZE_LIMIT;\n        }\n        require(_payloadSize <= payloadSizeLimit, \"LzApp: payload size is too large\");\n    }\n\n    //---------------------------UserApplication config----------------------------------------\n    function getConfig(\n        uint16 _version,\n        uint16 _chainId,\n        address,\n        uint256 _configType\n    ) external view returns (bytes memory) {\n        return lzEndpoint.getConfig(_version, _chainId, address(this), _configType);\n    }\n\n    // generic config for LayerZero user Application\n    function setConfig(\n        uint16 _version,\n        uint16 _chainId,\n        uint256 _configType,\n        bytes calldata _config\n    ) external override onlyOwner {\n        lzEndpoint.setConfig(_version, _chainId, _configType, _config);\n    }\n\n    function setSendVersion(uint16 _version) external override onlyOwner {\n        lzEndpoint.setSendVersion(_version);\n    }\n\n    function setReceiveVersion(uint16 _version) external override onlyOwner {\n        lzEndpoint.setReceiveVersion(_version);\n    }\n\n    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override onlyOwner {\n        lzEndpoint.forceResumeReceive(_srcChainId, _srcAddress);\n    }\n\n    // _path = abi.encodePacked(remoteAddress, localAddress)\n    // this function set the trusted path for the cross-chain communication\n    function setTrustedRemote(uint16 _srcChainId, bytes calldata _path) external onlyOwner {\n        trustedRemoteLookup[_srcChainId] = _path;\n        emit SetTrustedRemote(_srcChainId, _path);\n    }\n\n    function setTrustedRemoteAddress(uint16 _remoteChainId, bytes calldata _remoteAddress) external onlyOwner {\n        trustedRemoteLookup[_remoteChainId] = abi.encodePacked(_remoteAddress, address(this));\n        emit SetTrustedRemoteAddress(_remoteChainId, _remoteAddress);\n    }\n\n    function getTrustedRemoteAddress(uint16 _remoteChainId) external view returns (bytes memory) {\n        bytes memory path = trustedRemoteLookup[_remoteChainId];\n        require(path.length != 0, \"LzApp: no trusted path record\");\n        return path.slice(0, path.length - 20); // the last 20 bytes should be address(this)\n    }\n\n    function setPrecrime(address _precrime) external onlyOwner {\n        precrime = _precrime;\n        emit SetPrecrime(_precrime);\n    }\n\n    function setMinDstGas(\n        uint16 _dstChainId,\n        uint16 _packetType,\n        uint256 _minGas\n    ) external onlyOwner {\n        require(_minGas > 0, \"LzApp: invalid minGas\");\n        minDstGasLookup[_dstChainId][_packetType] = _minGas;\n        emit SetMinDstGas(_dstChainId, _packetType, _minGas);\n    }\n\n    // if the size is 0, it means default size limit\n    function setPayloadSizeLimit(uint16 _dstChainId, uint256 _size) external onlyOwner {\n        payloadSizeLimitLookup[_dstChainId] = _size;\n    }\n\n    //--------------------------- VIEW FUNCTION ----------------------------------------\n    function isTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) {\n        bytes memory trustedSource = trustedRemoteLookup[_srcChainId];\n        return keccak256(trustedSource) == keccak256(_srcAddress);\n    }\n}\n"
      },
      "contracts/layerzero/util/BytesLib.sol": {
        "content": "// SPDX-License-Identifier: Unlicense\n/*\n * @title Solidity Bytes Arrays Utils\n * @author Gonçalo Sá <goncalo.sa@consensys.net>\n *\n * @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity.\n *      The library lets you concatenate, slice and type cast bytes arrays both in memory and storage.\n */\npragma solidity 0.8.11;\n\nlibrary BytesLib {\n    function concat(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bytes memory) {\n        bytes memory tempBytes;\n\n        assembly {\n            // Get a location of some free memory and store it in tempBytes as\n            // Solidity does for memory variables.\n            tempBytes := mload(0x40)\n\n            // Store the length of the first bytes array at the beginning of\n            // the memory for tempBytes.\n            let length := mload(_preBytes)\n            mstore(tempBytes, length)\n\n            // Maintain a memory counter for the current write location in the\n            // temp bytes array by adding the 32 bytes for the array length to\n            // the starting location.\n            let mc := add(tempBytes, 0x20)\n            // Stop copying when the memory counter reaches the length of the\n            // first bytes array.\n            let end := add(mc, length)\n\n            for {\n                // Initialize a copy counter to the start of the _preBytes data,\n                // 32 bytes into its memory.\n                let cc := add(_preBytes, 0x20)\n            } lt(mc, end) {\n                // Increase both counters by 32 bytes each iteration.\n                mc := add(mc, 0x20)\n                cc := add(cc, 0x20)\n            } {\n                // Write the _preBytes data into the tempBytes memory 32 bytes\n                // at a time.\n                mstore(mc, mload(cc))\n            }\n\n            // Add the length of _postBytes to the current length of tempBytes\n            // and store it as the new length in the first 32 bytes of the\n            // tempBytes memory.\n            length := mload(_postBytes)\n            mstore(tempBytes, add(length, mload(tempBytes)))\n\n            // Move the memory counter back from a multiple of 0x20 to the\n            // actual end of the _preBytes data.\n            mc := end\n            // Stop copying when the memory counter reaches the new combined\n            // length of the arrays.\n            end := add(mc, length)\n\n            for {\n                let cc := add(_postBytes, 0x20)\n            } lt(mc, end) {\n                mc := add(mc, 0x20)\n                cc := add(cc, 0x20)\n            } {\n                mstore(mc, mload(cc))\n            }\n\n            // Update the free-memory pointer by padding our last write location\n            // to 32 bytes: add 31 bytes to the end of tempBytes to move to the\n            // next 32 byte block, then round down to the nearest multiple of\n            // 32. If the sum of the length of the two arrays is zero then add\n            // one before rounding down to leave a blank 32 bytes (the length block with 0).\n            mstore(\n                0x40,\n                and(\n                    add(add(end, iszero(add(length, mload(_preBytes)))), 31),\n                    not(31) // Round down to the nearest 32 bytes.\n                )\n            )\n        }\n\n        return tempBytes;\n    }\n\n    function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal {\n        assembly {\n            // Read the first 32 bytes of _preBytes storage, which is the length\n            // of the array. (We don't need to use the offset into the slot\n            // because arrays use the entire slot.)\n            let fslot := sload(_preBytes.slot)\n            // Arrays of 31 bytes or less have an even value in their slot,\n            // while longer arrays have an odd value. The actual length is\n            // the slot divided by two for odd values, and the lowest order\n            // byte divided by two for even values.\n            // If the slot is even, bitwise and the slot with 255 and divide by\n            // two to get the length. If the slot is odd, bitwise and the slot\n            // with -1 and divide by two.\n            let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)\n            let mlength := mload(_postBytes)\n            let newlength := add(slength, mlength)\n            // slength can contain both the length and contents of the array\n            // if length < 32 bytes so let's prepare for that\n            // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage\n            switch add(lt(slength, 32), lt(newlength, 32))\n            case 2 {\n                // Since the new array still fits in the slot, we just need to\n                // update the contents of the slot.\n                // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length\n                sstore(\n                    _preBytes.slot,\n                    // all the modifications to the slot are inside this\n                    // next block\n                    add(\n                        // we can just add to the slot contents because the\n                        // bytes we want to change are the LSBs\n                        fslot,\n                        add(\n                            mul(\n                                div(\n                                    // load the bytes from memory\n                                    mload(add(_postBytes, 0x20)),\n                                    // zero all bytes to the right\n                                    exp(0x100, sub(32, mlength))\n                                ),\n                                // and now shift left the number of bytes to\n                                // leave space for the length in the slot\n                                exp(0x100, sub(32, newlength))\n                            ),\n                            // increase length by the double of the memory\n                            // bytes length\n                            mul(mlength, 2)\n                        )\n                    )\n                )\n            }\n            case 1 {\n                // The stored value fits in the slot, but the combined value\n                // will exceed it.\n                // get the keccak hash to get the contents of the array\n                mstore(0x0, _preBytes.slot)\n                let sc := add(keccak256(0x0, 0x20), div(slength, 32))\n\n                // save new length\n                sstore(_preBytes.slot, add(mul(newlength, 2), 1))\n\n                // The contents of the _postBytes array start 32 bytes into\n                // the structure. Our first read should obtain the `submod`\n                // bytes that can fit into the unused space in the last word\n                // of the stored array. To get this, we read 32 bytes starting\n                // from `submod`, so the data we read overlaps with the array\n                // contents by `submod` bytes. Masking the lowest-order\n                // `submod` bytes allows us to add that value directly to the\n                // stored value.\n\n                let submod := sub(32, slength)\n                let mc := add(_postBytes, submod)\n                let end := add(_postBytes, mlength)\n                let mask := sub(exp(0x100, submod), 1)\n\n                sstore(\n                    sc,\n                    add(\n                        and(fslot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00),\n                        and(mload(mc), mask)\n                    )\n                )\n\n                for {\n                    mc := add(mc, 0x20)\n                    sc := add(sc, 1)\n                } lt(mc, end) {\n                    sc := add(sc, 1)\n                    mc := add(mc, 0x20)\n                } {\n                    sstore(sc, mload(mc))\n                }\n\n                mask := exp(0x100, sub(mc, end))\n\n                sstore(sc, mul(div(mload(mc), mask), mask))\n            }\n            default {\n                // get the keccak hash to get the contents of the array\n                mstore(0x0, _preBytes.slot)\n                // Start copying to the last used word of the stored array.\n                let sc := add(keccak256(0x0, 0x20), div(slength, 32))\n\n                // save new length\n                sstore(_preBytes.slot, add(mul(newlength, 2), 1))\n\n                // Copy over the first `submod` bytes of the new data as in\n                // case 1 above.\n                let slengthmod := mod(slength, 32)\n                let mlengthmod := mod(mlength, 32)\n                let submod := sub(32, slengthmod)\n                let mc := add(_postBytes, submod)\n                let end := add(_postBytes, mlength)\n                let mask := sub(exp(0x100, submod), 1)\n\n                sstore(sc, add(sload(sc), and(mload(mc), mask)))\n\n                for {\n                    sc := add(sc, 1)\n                    mc := add(mc, 0x20)\n                } lt(mc, end) {\n                    sc := add(sc, 1)\n                    mc := add(mc, 0x20)\n                } {\n                    sstore(sc, mload(mc))\n                }\n\n                mask := exp(0x100, sub(mc, end))\n\n                sstore(sc, mul(div(mload(mc), mask), mask))\n            }\n        }\n    }\n\n    function slice(\n        bytes memory _bytes,\n        uint256 _start,\n        uint256 _length\n    ) internal pure returns (bytes memory) {\n        require(_length + 31 >= _length, \"slice_overflow\");\n        require(_bytes.length >= _start + _length, \"slice_outOfBounds\");\n\n        bytes memory tempBytes;\n\n        assembly {\n            switch iszero(_length)\n            case 0 {\n                // Get a location of some free memory and store it in tempBytes as\n                // Solidity does for memory variables.\n                tempBytes := mload(0x40)\n\n                // The first word of the slice result is potentially a partial\n                // word read from the original array. To read it, we calculate\n                // the length of that partial word and start copying that many\n                // bytes into the array. The first word we copy will start with\n                // data we don't care about, but the last `lengthmod` bytes will\n                // land at the beginning of the contents of the new array. When\n                // we're done copying, we overwrite the full first word with\n                // the actual length of the slice.\n                let lengthmod := and(_length, 31)\n\n                // The multiplication in the next line is necessary\n                // because when slicing multiples of 32 bytes (lengthmod == 0)\n                // the following copy loop was copying the origin's length\n                // and then ending prematurely not copying everything it should.\n                let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))\n                let end := add(mc, _length)\n\n                for {\n                    // The multiplication in the next line has the same exact purpose\n                    // as the one above.\n                    let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)\n                } lt(mc, end) {\n                    mc := add(mc, 0x20)\n                    cc := add(cc, 0x20)\n                } {\n                    mstore(mc, mload(cc))\n                }\n\n                mstore(tempBytes, _length)\n\n                //update free-memory pointer\n                //allocating the array padded to 32 bytes like the compiler does now\n                mstore(0x40, and(add(mc, 31), not(31)))\n            }\n            //if we want a zero-length slice let's just return a zero-length array\n            default {\n                tempBytes := mload(0x40)\n                //zero out the 32 bytes slice we are about to return\n                //we need to do it because Solidity does not garbage collect\n                mstore(tempBytes, 0)\n\n                mstore(0x40, add(tempBytes, 0x20))\n            }\n        }\n\n        return tempBytes;\n    }\n\n    function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) {\n        require(_bytes.length >= _start + 20, \"toAddress_outOfBounds\");\n        address tempAddress;\n\n        assembly {\n            tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)\n        }\n\n        return tempAddress;\n    }\n\n    function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) {\n        require(_bytes.length >= _start + 1, \"toUint8_outOfBounds\");\n        uint8 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x1), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) {\n        require(_bytes.length >= _start + 2, \"toUint16_outOfBounds\");\n        uint16 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x2), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) {\n        require(_bytes.length >= _start + 4, \"toUint32_outOfBounds\");\n        uint32 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x4), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) {\n        require(_bytes.length >= _start + 8, \"toUint64_outOfBounds\");\n        uint64 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x8), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) {\n        require(_bytes.length >= _start + 12, \"toUint96_outOfBounds\");\n        uint96 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0xc), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) {\n        require(_bytes.length >= _start + 16, \"toUint128_outOfBounds\");\n        uint128 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x10), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) {\n        require(_bytes.length >= _start + 32, \"toUint256_outOfBounds\");\n        uint256 tempUint;\n\n        assembly {\n            tempUint := mload(add(add(_bytes, 0x20), _start))\n        }\n\n        return tempUint;\n    }\n\n    function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) {\n        require(_bytes.length >= _start + 32, \"toBytes32_outOfBounds\");\n        bytes32 tempBytes32;\n\n        assembly {\n            tempBytes32 := mload(add(add(_bytes, 0x20), _start))\n        }\n\n        return tempBytes32;\n    }\n\n    function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) {\n        bool success = true;\n\n        assembly {\n            let length := mload(_preBytes)\n\n            // if lengths don't match the arrays are not equal\n            switch eq(length, mload(_postBytes))\n            case 1 {\n                // cb is a circuit breaker in the for loop since there's\n                //  no said feature for inline assembly loops\n                // cb = 1 - don't breaker\n                // cb = 0 - break\n                let cb := 1\n\n                let mc := add(_preBytes, 0x20)\n                let end := add(mc, length)\n\n                for {\n                    let cc := add(_postBytes, 0x20)\n                    // the next line is the loop condition:\n                    // while(uint256(mc < end) + cb == 2)\n                } eq(add(lt(mc, end), cb), 2) {\n                    mc := add(mc, 0x20)\n                    cc := add(cc, 0x20)\n                } {\n                    // if any of these checks fails then arrays are not equal\n                    if iszero(eq(mload(mc), mload(cc))) {\n                        // unsuccess:\n                        success := 0\n                        cb := 0\n                    }\n                }\n            }\n            default {\n                // unsuccess:\n                success := 0\n            }\n        }\n\n        return success;\n    }\n\n    function equalStorage(bytes storage _preBytes, bytes memory _postBytes) internal view returns (bool) {\n        bool success = true;\n\n        assembly {\n            // we know _preBytes_offset is 0\n            let fslot := sload(_preBytes.slot)\n            // Decode the length of the stored array like in concatStorage().\n            let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)\n            let mlength := mload(_postBytes)\n\n            // if lengths don't match the arrays are not equal\n            switch eq(slength, mlength)\n            case 1 {\n                // slength can contain both the length and contents of the array\n                // if length < 32 bytes so let's prepare for that\n                // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage\n                if iszero(iszero(slength)) {\n                    switch lt(slength, 32)\n                    case 1 {\n                        // blank the last byte which is the length\n                        fslot := mul(div(fslot, 0x100), 0x100)\n\n                        if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) {\n                            // unsuccess:\n                            success := 0\n                        }\n                    }\n                    default {\n                        // cb is a circuit breaker in the for loop since there's\n                        //  no said feature for inline assembly loops\n                        // cb = 1 - don't breaker\n                        // cb = 0 - break\n                        let cb := 1\n\n                        // get the keccak hash to get the contents of the array\n                        mstore(0x0, _preBytes.slot)\n                        let sc := keccak256(0x0, 0x20)\n\n                        let mc := add(_postBytes, 0x20)\n                        let end := add(mc, mlength)\n\n                        // the next line is the loop condition:\n                        // while(uint256(mc < end) + cb == 2)\n                        for {\n\n                        } eq(add(lt(mc, end), cb), 2) {\n                            sc := add(sc, 1)\n                            mc := add(mc, 0x20)\n                        } {\n                            if iszero(eq(sload(sc), mload(mc))) {\n                                // unsuccess:\n                                success := 0\n                                cb := 0\n                            }\n                        }\n                    }\n                }\n            }\n            default {\n                // unsuccess:\n                success := 0\n            }\n        }\n\n        return success;\n    }\n}\n"
      },
      "contracts/sidechain/L1PoolManagerProxy.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.11;\n\nimport { LzApp } from \"../layerzero/lzApp/LzApp.sol\";\nimport { IStakelessGauge } from \"../interfaces/balancer/IStakelessGauge.sol\";\nimport { IStakelessGaugeCheckpointer } from \"../interfaces/balancer/IStakelessGaugeCheckpointer.sol\";\nimport { IBalGaugeController } from \"contracts/interfaces/balancer/IBalGaugeController.sol\";\n\n/**\n * @title   L1PoolManagerProxy\n * @author  AuraFinance\n * @dev Allows to permissionless add pools on any supported sidechain.\n *      1.  Owner must configure gaugeTypes mapping (lzChainId => balancer gauge type)\n *      2.  User most provide a root gauge address and the layer zero chain id, with enought\n *          native fee to be able to add a pool on the destination chain.\n */\ncontract L1PoolManagerProxy is LzApp {\n    uint256 public constant NO_EXTRA_GAS = 0;\n    // packet type\n    uint16 public constant PT_SEND = 0;\n\n    /// @dev LayerZero chain ID for this chain\n    uint16 public immutable lzChainId;\n    /// @dev Gauge controller address\n    address public immutable gaugeController;\n    /// @dev Gauge controller address\n    address public immutable gaugeCheckpointer;\n    /// @dev Indicates if add pool is protected or not.\n    bool public protectAddPool;\n    /// @dev lzChainId => gauge type\n    mapping(uint16 => string) public gaugeTypes;\n    /* -------------------------------------------------------------------\n       Events \n    ------------------------------------------------------------------- */\n    event AddSidechainPool(uint16 indexed dstChainId, address rootGauge, address dstGauge);\n\n    /* -------------------------------------------------------------------\n       Constructor \n    ------------------------------------------------------------------- */\n\n    /**\n     * @param _lzChainId LayerZero chain ID\n     * @param _lzEndpoint LayerZero endpoint\n     * @param _gaugeController Gauge controller address\n     * @param _gaugeCheckpointer  Guage checkpointer address\n     */\n    constructor(\n        uint16 _lzChainId,\n        address _lzEndpoint,\n        address _gaugeController,\n        address _gaugeCheckpointer\n    ) {\n        lzChainId = _lzChainId;\n        _initializeLzApp(_lzEndpoint);\n        protectAddPool = true;\n        gaugeController = _gaugeController;\n        gaugeCheckpointer = _gaugeCheckpointer;\n    }\n\n    modifier withValidRootGauge(uint16 _dstChainId, address _gauge) {\n        //check the destination chain is correct.\n        string memory gaugeType = gaugeTypes[_dstChainId];\n        require(_dstChainId != lzChainId, \"!dstChainId\");\n        require(bytes(gaugeType).length > 0, \"!gaugeType\");\n\n        require(IStakelessGaugeCheckpointer(gaugeCheckpointer).hasGauge(gaugeType, _gauge), \"!checkpointer\");\n        //check that the pool as weight\n        uint256 weight = IBalGaugeController(gaugeController).get_gauge_weight(_gauge);\n        require(weight > 0, \"must have weight\");\n        _;\n    }\n\n    receive() external payable {}\n\n    /**\n     * @notice set if addPool is only callable by operator\n     */\n    function setProtectPool(bool _protectAddPool) external onlyOwner {\n        protectAddPool = _protectAddPool;\n    }\n\n    /**\n     * @notice Maps layer zero chain id with balancer gauge type.\n     * @param _lzChainId Layer zero chain id.\n     * @param gaugeType Balancer gaugeType.\n     *\n     */\n    function setGaugeType(uint16 _lzChainId, string memory gaugeType) external onlyOwner {\n        gaugeTypes[_lzChainId] = gaugeType;\n    }\n\n    /**\n     * @notice Send a message to add a pool on a sidechain.\n     * @dev Set adapterParams correctly per dstChainId to provide enough gas to\n     * add a pool on the destination chain.\n     *\n     * @param _gauge              The root gauge address.\n     * @param _dstChainId         The LayerZero destination chain ID eg optimism is 111\n     * @param _zroPaymentAddress  The LayerZero ZRO payment address\n     * @param _adapterParams      The adapter params, very important as default gas limit\n     *                             is not enough to add a pool on any sidechain.\n     */\n    function addPool(\n        address _gauge,\n        uint16 _dstChainId,\n        address _zroPaymentAddress,\n        bytes memory _adapterParams\n    ) external payable withValidRootGauge(_dstChainId, _gauge) returns (bool) {\n        if (protectAddPool) {\n            require(msg.sender == owner(), \"!auth\");\n        }\n        _checkAdapterParams(_dstChainId, PT_SEND, _adapterParams, NO_EXTRA_GAS);\n\n        address dstGauge = IStakelessGauge(_gauge).getRecipient();\n        require(dstGauge != address(0), \"!dstGauge\");\n\n        _lzSend(\n            _dstChainId, ///////////// Destination chain (L2 chain)\n            abi.encode(dstGauge), ///////////////// Payload encode\n            payable(msg.sender), // Refund address\n            _zroPaymentAddress, ////// ZRO payment address\n            _adapterParams, ////////// Adapter params\n            msg.value //////////////// Native fee\n        );\n        emit AddSidechainPool(_dstChainId, _gauge, dstGauge);\n        return true;\n    }\n\n    function _checkAdapterParams(\n        uint16 _dstChainId,\n        uint16 _pkType,\n        bytes memory _adapterParams,\n        uint256 _extraGas\n    ) internal view {\n        _checkGasLimit(_dstChainId, _pkType, _adapterParams, _extraGas);\n    }\n\n    function _blockingLzReceive(\n        uint16,\n        bytes memory,\n        uint64,\n        bytes memory\n    ) internal override {\n        // Silence is golden\n    }\n}\n"
      }
    },
    "settings": {
      "metadata": {
        "bytecodeHash": "none"
      },
      "optimizer": {
        "enabled": true,
        "runs": 800
      },
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "libraries": {}
    }
  }}