creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "contracts/oracle/Oracle.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"../@openzeppelin/contracts/utils/cryptography/MerkleProof.sol\";\nimport \"../assetRecovering/OwnableAssetRecoverer.sol\";\nimport \"../access/OwnableWithOperator.sol\";\nimport \"../@openzeppelin/contracts/utils/introspection/ERC165.sol\";\nimport \"./IOracle.sol\";\n\n/**\n* @notice Invalid Proof\n*/\nerror Oracle__InvalidProof();\n\n/**\n* @title Oracle stores the Merkle root updated regularly\n* @dev Leaves are hashes of:\n* - feeDistributorInstance address\n* - sum of CL rewards earned by all validators of feeDistributorInstance)\n*/\ncontract Oracle is OwnableAssetRecoverer, OwnableWithOperator, ERC165, IOracle {\n    bytes32 private s_root;\n\n    /**\n    * @notice Set a new oracle report (Merkle root)\n    * @param _root Merkle root\n    */\n    function report(bytes32 _root) external onlyOperatorOrOwner {\n        s_root = _root;\n\n        emit Oracle__Reported(_root);\n    }\n\n    /**\n    * @notice Verify Merkle proof (that the leaf belongs to the tree)\n    * @param _proof Merkle proof (the leaf's sibling, and each non-leaf hash that could not otherwise be calculated without additional leaf nodes)\n    * @param _feeDistributorInstance feeDistributor instance address\n    * @param _amountInGwei total CL rewards earned by all validators in GWei (see _validatorCount)\n    */\n    function verify(\n        bytes32[] calldata _proof,\n        address _feeDistributorInstance,\n        uint256 _amountInGwei\n    ) external view {\n        bytes32 leaf = keccak256(bytes.concat(keccak256(abi.encode(_feeDistributorInstance, _amountInGwei))));\n\n        if (!MerkleProof.verify(_proof, s_root, leaf)) {\n            revert Oracle__InvalidProof();\n        }\n    }\n\n    /**\n    * @dev See {IERC165-supportsInterface}.\n    */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n        return interfaceId == type(IOracle).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n    * @dev Returns the address of the current owner.\n     */\n    function owner() public view override(Ownable, OwnableBase, IOwnable) returns (address) {\n        return super.owner();\n    }\n}\n"
      },
      "contracts/@openzeppelin/contracts/utils/cryptography/MerkleProof.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)\n\npragma solidity 0.8.24;\n\n/**\n * @dev These functions deal with verification of Merkle Tree proofs.\n *\n * The tree and the proofs can be generated using our\n * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].\n * You will find a quickstart guide in the readme.\n *\n * WARNING: You should avoid using leaf values that are 64 bytes long prior to\n * hashing, or use a hash function other than keccak256 for hashing leaves.\n * This is because the concatenation of a sorted pair of internal nodes in\n * the merkle tree could be reinterpreted as a leaf value.\n * OpenZeppelin's JavaScript library generates merkle trees that are safe\n * against this attack out of the box.\n */\nlibrary MerkleProof {\n    /**\n     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree\n     * defined by `root`. For this, a `proof` must be provided, containing\n     * sibling hashes on the branch from the leaf to the root of the tree. Each\n     * pair of leaves and each pair of pre-images are assumed to be sorted.\n     */\n    function verify(\n        bytes32[] memory proof,\n        bytes32 root,\n        bytes32 leaf\n    ) internal pure returns (bool) {\n        return processProof(proof, leaf) == root;\n    }\n\n    /**\n     * @dev Calldata version of {verify}\n     *\n     * _Available since v4.7._\n     */\n    function verifyCalldata(\n        bytes32[] calldata proof,\n        bytes32 root,\n        bytes32 leaf\n    ) internal pure returns (bool) {\n        return processProofCalldata(proof, leaf) == root;\n    }\n\n    /**\n     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up\n     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt\n     * hash matches the root of the tree. When processing the proof, the pairs\n     * of leafs & pre-images are assumed to be sorted.\n     *\n     * _Available since v4.4._\n     */\n    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {\n        bytes32 computedHash = leaf;\n        for (uint256 i = 0; i < proof.length; i++) {\n            computedHash = _hashPair(computedHash, proof[i]);\n        }\n        return computedHash;\n    }\n\n    /**\n     * @dev Calldata version of {processProof}\n     *\n     * _Available since v4.7._\n     */\n    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {\n        bytes32 computedHash = leaf;\n        for (uint256 i = 0; i < proof.length; i++) {\n            computedHash = _hashPair(computedHash, proof[i]);\n        }\n        return computedHash;\n    }\n\n    /**\n     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by\n     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.\n     *\n     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.\n     *\n     * _Available since v4.7._\n     */\n    function multiProofVerify(\n        bytes32[] memory proof,\n        bool[] memory proofFlags,\n        bytes32 root,\n        bytes32[] memory leaves\n    ) internal pure returns (bool) {\n        return processMultiProof(proof, proofFlags, leaves) == root;\n    }\n\n    /**\n     * @dev Calldata version of {multiProofVerify}\n     *\n     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.\n     *\n     * _Available since v4.7._\n     */\n    function multiProofVerifyCalldata(\n        bytes32[] calldata proof,\n        bool[] calldata proofFlags,\n        bytes32 root,\n        bytes32[] memory leaves\n    ) internal pure returns (bool) {\n        return processMultiProofCalldata(proof, proofFlags, leaves) == root;\n    }\n\n    /**\n     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction\n     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another\n     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false\n     * respectively.\n     *\n     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree\n     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the\n     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).\n     *\n     * _Available since v4.7._\n     */\n    function processMultiProof(\n        bytes32[] memory proof,\n        bool[] memory proofFlags,\n        bytes32[] memory leaves\n    ) internal pure returns (bytes32 merkleRoot) {\n        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n        // the merkle tree.\n        uint256 leavesLen = leaves.length;\n        uint256 totalHashes = proofFlags.length;\n\n        // Check proof validity.\n        require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n        // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n        bytes32[] memory hashes = new bytes32[](totalHashes);\n        uint256 leafPos = 0;\n        uint256 hashPos = 0;\n        uint256 proofPos = 0;\n        // At each step, we compute the next hash using two values:\n        // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n        //   get the next hash.\n        // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n        //   `proof` array.\n        for (uint256 i = 0; i < totalHashes; i++) {\n            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n            hashes[i] = _hashPair(a, b);\n        }\n\n        if (totalHashes > 0) {\n            return hashes[totalHashes - 1];\n        } else if (leavesLen > 0) {\n            return leaves[0];\n        } else {\n            return proof[0];\n        }\n    }\n\n    /**\n     * @dev Calldata version of {processMultiProof}.\n     *\n     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.\n     *\n     * _Available since v4.7._\n     */\n    function processMultiProofCalldata(\n        bytes32[] calldata proof,\n        bool[] calldata proofFlags,\n        bytes32[] memory leaves\n    ) internal pure returns (bytes32 merkleRoot) {\n        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n        // the merkle tree.\n        uint256 leavesLen = leaves.length;\n        uint256 totalHashes = proofFlags.length;\n\n        // Check proof validity.\n        require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n        // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n        bytes32[] memory hashes = new bytes32[](totalHashes);\n        uint256 leafPos = 0;\n        uint256 hashPos = 0;\n        uint256 proofPos = 0;\n        // At each step, we compute the next hash using two values:\n        // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n        //   get the next hash.\n        // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n        //   `proof` array.\n        for (uint256 i = 0; i < totalHashes; i++) {\n            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n            hashes[i] = _hashPair(a, b);\n        }\n\n        if (totalHashes > 0) {\n            return hashes[totalHashes - 1];\n        } else if (leavesLen > 0) {\n            return leaves[0];\n        } else {\n            return proof[0];\n        }\n    }\n\n    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {\n        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);\n    }\n\n    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0x00, a)\n            mstore(0x20, b)\n            value := keccak256(0x00, 0x40)\n        }\n    }\n}\n"
      },
      "contracts/assetRecovering/OwnableAssetRecoverer.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, Lido <info@lido.fi>\n// SPDX-License-Identifier: MIT\n\n// https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol\npragma solidity 0.8.24;\n\nimport \"./OwnableTokenRecoverer.sol\";\nimport \"./AssetRecoverer.sol\";\n\n/// @title Public Asset Recoverer with public functions callable by assetAccessingAddress\n/// @notice Recover ether, ERC20, ERC721 and ERC1155 from a derived contract\nabstract contract OwnableAssetRecoverer is OwnableTokenRecoverer, AssetRecoverer {\n\n    // Functions\n\n    /**\n     * @notice transfers ether from this contract\n     * @dev using `address.call` is safer to transfer to other contracts\n     * @param _recipient address to transfer ether to\n     * @param _amount amount of ether to transfer\n     */\n    function transferEther(address _recipient, uint256 _amount) external onlyOwner {\n        _transferEther(_recipient, _amount);\n    }\n}\n"
      },
      "contracts/access/OwnableWithOperator.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"./Ownable2Step.sol\";\nimport \"./IOwnableWithOperator.sol\";\n\n/**\n* @notice newOperator is the zero address\n*/\nerror Access__ZeroNewOperator();\n\n/**\n* @notice newOperator is the same as the old one\n*/\nerror Access__SameOperator(address _operator);\n\n/**\n* @notice caller is neither the operator nor owner\n*/\nerror Access__CallerNeitherOperatorNorOwner(address _caller, address _operator, address _owner);\n\n/**\n* @notice address is neither the operator nor owner\n*/\nerror Access__AddressNeitherOperatorNorOwner(address _address, address _operator, address _owner);\n\n/**\n * @dev Ownable with an additional role of operator\n */\nabstract contract OwnableWithOperator is Ownable2Step, IOwnableWithOperator {\n    address private s_operator;\n\n    /**\n     * @dev Emits when the operator has been changed\n     * @param _previousOperator address of the previous operator\n     * @param _newOperator address of the new operator\n     */\n    event OperatorChanged(\n        address indexed _previousOperator,\n        address indexed _newOperator\n    );\n\n    /**\n     * @dev Throws if called by any account other than the operator or the owner.\n     */\n    modifier onlyOperatorOrOwner() {\n        address currentOwner = owner();\n        address currentOperator = s_operator;\n\n        if (currentOperator != _msgSender() && currentOwner != _msgSender()) {\n            revert Access__CallerNeitherOperatorNorOwner(_msgSender(), currentOperator, currentOwner);\n        }\n\n        _;\n    }\n\n    function checkOperatorOrOwner(address _address) public view virtual {\n        address currentOwner = owner();\n        address currentOperator = s_operator;\n\n        if (_address == address(0) || (currentOperator != _address && currentOwner != _address)) {\n            revert Access__AddressNeitherOperatorNorOwner(_address, currentOperator, currentOwner);\n        }\n    }\n\n    /**\n     * @dev Returns the current operator.\n     */\n    function operator() public view virtual returns (address) {\n        return s_operator;\n    }\n\n    /**\n     * @dev Transfers operator to a new account (`newOperator`).\n     * Can only be called by the current owner.\n     */\n    function changeOperator(address _newOperator) external virtual onlyOwner {\n        if (_newOperator == address(0)) {\n            revert Access__ZeroNewOperator();\n        }\n        if (_newOperator == s_operator) {\n            revert Access__SameOperator(_newOperator);\n        }\n\n        _changeOperator(_newOperator);\n    }\n\n    /**\n     * @dev Transfers operator to a new account (`newOperator`).\n     * Internal function without access restriction.\n     */\n    function _changeOperator(address _newOperator) internal virtual {\n        address oldOperator = s_operator;\n        s_operator = _newOperator;\n        emit OperatorChanged(oldOperator, _newOperator);\n    }\n\n    /**\n     * @dev Dismisses the old operator without setting a new one.\n     * Can only be called by the current owner.\n     */\n    function dismissOperator() external virtual onlyOwner {\n        _changeOperator(address(0));\n    }\n}\n"
      },
      "contracts/@openzeppelin/contracts/utils/introspection/ERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity 0.8.24;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"
      },
      "contracts/oracle/IOracle.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"../@openzeppelin/contracts/utils/introspection/IERC165.sol\";\nimport \"../access/IOwnable.sol\";\n\n/**\n * @dev External interface of Oracle declared to support ERC165 detection.\n */\ninterface IOracle is IOwnable, IERC165 {\n    // Events\n\n    /**\n    * @notice Emits when a new oracle report (Merkle root) recorded\n    * @param _root Merkle root\n    */\n    event Oracle__Reported(bytes32 indexed _root);\n\n    // Functions\n\n    /**\n    * @notice Set a new oracle report (Merkle root)\n    * @param _root Merkle root\n    */\n    function report(bytes32 _root) external;\n\n    /**\n    * @notice Verify Merkle proof (that the leaf belongs to the tree)\n    * @param _proof Merkle proof (the leaf's sibling, and each non-leaf hash that could not otherwise be calculated without additional leaf nodes)\n    * @param _feeDistributorInstance feeDistributor instance address\n    * @param _amountInGwei total CL rewards earned by all validators in GWei (see _validatorCount)\n    */\n    function verify(\n        bytes32[] calldata _proof,\n        address _feeDistributorInstance,\n        uint256 _amountInGwei\n    ) external view;\n}\n"
      },
      "contracts/assetRecovering/OwnableTokenRecoverer.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, Lido <info@lido.fi>\n// SPDX-License-Identifier: MIT\n\n// https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol\npragma solidity 0.8.24;\n\nimport \"./TokenRecoverer.sol\";\nimport \"../access/OwnableBase.sol\";\n\n/// @title Token Recoverer with public functions callable by assetAccessingAddress\n/// @notice Recover ERC20, ERC721 and ERC1155 from a derived contract\nabstract contract OwnableTokenRecoverer is TokenRecoverer, OwnableBase {\n    // Functions\n\n    /**\n     * @notice transfer an ERC20 token from this contract\n     * @dev `SafeERC20.safeTransfer` doesn't always return a bool\n     * as it performs an internal `require` check\n     * @param _token address of the ERC20 token\n     * @param _recipient address to transfer the tokens to\n     * @param _amount amount of tokens to transfer\n     */\n    function transferERC20(\n        address _token,\n        address _recipient,\n        uint256 _amount\n    ) external onlyOwner {\n        _transferERC20(_token, _recipient, _amount);\n    }\n\n    /**\n     * @notice transfer an ERC721 token from this contract\n     * @dev `IERC721.safeTransferFrom` doesn't always return a bool\n     * as it performs an internal `require` check\n     * @param _token address of the ERC721 token\n     * @param _recipient address to transfer the token to\n     * @param _tokenId id of the individual token\n     */\n    function transferERC721(\n        address _token,\n        address _recipient,\n        uint256 _tokenId\n    ) external onlyOwner {\n        _transferERC721(_token, _recipient, _tokenId);\n    }\n\n    /**\n     * @notice transfer an ERC1155 token from this contract\n     * @dev see `AssetRecoverer`\n     * @param _token address of the ERC1155 token that is being recovered\n     * @param _recipient address to transfer the token to\n     * @param _tokenId id of the individual token to transfer\n     * @param _amount amount of tokens to transfer\n     * @param _data data to transfer along\n     */\n    function transferERC1155(\n        address _token,\n        address _recipient,\n        uint256 _tokenId,\n        uint256 _amount,\n        bytes calldata _data\n    ) external onlyOwner {\n        _transferERC1155(_token, _recipient, _tokenId, _amount, _data);\n    }\n}\n"
      },
      "contracts/assetRecovering/AssetRecoverer.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, Lido <info@lido.fi>\n// SPDX-License-Identifier: MIT\n\n// https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol\npragma solidity 0.8.24;\n\nimport \"./TokenRecoverer.sol\";\n\n/**\n* @notice could not transfer ether\n* @param _recipient address to transfer ether to\n* @param _amount amount of ether to transfer\n*/\nerror AssetRecoverer__TransferFailed(address _recipient, uint256 _amount);\n\n\n/// @title Asset Recoverer\n/// @notice Recover ether, ERC20, ERC721 and ERC1155 from a derived contract\nabstract contract AssetRecoverer is TokenRecoverer {\n    event EtherTransferred(address indexed _recipient, uint256 _amount);\n\n    /**\n     * @notice transfers ether from this contract\n     * @dev using `address.call` is safer to transfer to other contracts\n     * @param _recipient address to transfer ether to\n     * @param _amount amount of ether to transfer\n     */\n    function _transferEther(address _recipient, uint256 _amount) internal virtual burnDisallowed(_recipient) {\n        (bool success, ) = _recipient.call{value: _amount}(\"\");\n        if (!success) {\n            revert AssetRecoverer__TransferFailed(_recipient, _amount);\n        }\n        emit EtherTransferred(_recipient, _amount);\n    }\n}\n"
      },
      "contracts/access/Ownable2Step.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"./Ownable.sol\";\n\n/**\n* @notice caller must be pendingOwner\n*/\nerror Ownable2Step__CallerNotNewOwner();\n\n/**\n* @notice new owner address should be different from the current owner\n*/\nerror Ownable2Step__NewOwnerShouldNotBeCurrentOwner();\n\n/**\n * @dev Contract module which provides 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} and {acceptOwnership}.\n *\n * This module is used through inheritance. It will make available all functions\n * from parent (Ownable).\n */\nabstract contract Ownable2Step is Ownable {\n    address private s_pendingOwner;\n\n    /**\n     * @dev Emits in transferOwnership (start of the transfer)\n     * @param _previousOwner address of the previous owner\n     * @param _newOwner address of the new owner\n     */\n    event OwnershipTransferStarted(address indexed _previousOwner, address indexed _newOwner);\n\n    /**\n     * @dev Returns the address of the pending owner.\n     */\n    function pendingOwner() public view virtual returns (address) {\n        return s_pendingOwner;\n    }\n\n    /**\n     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual override onlyOwner {\n        address currentOwner = owner();\n        if (newOwner == currentOwner) {\n            revert Ownable2Step__NewOwnerShouldNotBeCurrentOwner();\n        }\n\n        s_pendingOwner = newOwner;\n        emit OwnershipTransferStarted(currentOwner, newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual override {\n        delete s_pendingOwner;\n        super._transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev The new owner accepts the ownership transfer.\n     */\n    function acceptOwnership() external {\n        address sender = _msgSender();\n        if (pendingOwner() != sender) {\n            revert Ownable2Step__CallerNotNewOwner();\n        }\n        _transferOwnership(sender);\n    }\n}\n"
      },
      "contracts/access/IOwnableWithOperator.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"./IOwnable.sol\";\n\n/**\n * @dev Ownable with an additional role of operator\n */\ninterface IOwnableWithOperator is IOwnable {\n    /**\n     * @dev Returns the current operator.\n     */\n    function operator() external view returns (address);\n}\n"
      },
      "contracts/@openzeppelin/contracts/utils/introspection/IERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity 0.8.24;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\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[EIP 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 (bool);\n}\n"
      },
      "contracts/access/IOwnable.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\n/**\n * @dev External interface of Ownable.\n */\ninterface IOwnable {\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() external view returns (address);\n}\n"
      },
      "contracts/assetRecovering/TokenRecoverer.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, Lido <info@lido.fi>\n// SPDX-License-Identifier: MIT\n\n// https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol\npragma solidity 0.8.24;\n\nimport {IERC20} from \"../@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {IERC721} from \"../@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport {IERC1155} from \"../@openzeppelin/contracts/token/ERC1155/IERC1155.sol\";\nimport {SafeERC20} from \"../@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\n\n/**\n* @notice prevents burn for transfer functions\n* @dev _recipient should not be a zero address\n*/\nerror TokenRecoverer__NoBurn();\n\n\n/// @title Token Recoverer\n/// @notice Recover ERC20, ERC721 and ERC1155 from a derived contract\nabstract contract TokenRecoverer {\n    using SafeERC20 for IERC20;\n\n    event ERC20Transferred(address indexed _token, address indexed _recipient, uint256 _amount);\n    event ERC721Transferred(address indexed _token, address indexed _recipient, uint256 _tokenId);\n    event ERC1155Transferred(address indexed _token, address indexed _recipient, uint256 _tokenId, uint256 _amount, bytes _data);\n\n    /**\n     * @notice prevents burn for transfer functions\n     * @dev checks for zero address and reverts if true\n     * @param _recipient address of the transfer recipient\n     */\n    modifier burnDisallowed(address _recipient) {\n        if (_recipient == address(0)) {\n            revert TokenRecoverer__NoBurn();\n        }\n        _;\n    }\n\n    /**\n     * @notice transfer an ERC20 token from this contract\n     * @dev `SafeERC20.safeTransfer` doesn't always return a bool\n     * as it performs an internal `require` check\n     * @param _token address of the ERC20 token\n     * @param _recipient address to transfer the tokens to\n     * @param _amount amount of tokens to transfer\n     */\n    function _transferERC20(\n        address _token,\n        address _recipient,\n        uint256 _amount\n    ) internal virtual burnDisallowed(_recipient) {\n        IERC20(_token).safeTransfer(_recipient, _amount);\n        emit ERC20Transferred(_token, _recipient, _amount);\n    }\n\n    /**\n     * @notice transfer an ERC721 token from this contract\n     * @dev `IERC721.safeTransferFrom` doesn't always return a bool\n     * as it performs an internal `require` check\n     * @param _token address of the ERC721 token\n     * @param _recipient address to transfer the token to\n     * @param _tokenId id of the individual token\n     */\n    function _transferERC721(\n        address _token,\n        address _recipient,\n        uint256 _tokenId\n    ) internal virtual burnDisallowed(_recipient) {\n        IERC721(_token).transferFrom(address(this), _recipient, _tokenId);\n        emit ERC721Transferred(_token, _recipient, _tokenId);\n    }\n\n    /**\n     * @notice transfer an ERC1155 token from this contract\n     * @dev `IERC1155.safeTransferFrom` doesn't always return a bool\n     * as it performs an internal `require` check\n     * @param _token address of the ERC1155 token that is being recovered\n     * @param _recipient address to transfer the token to\n     * @param _tokenId id of the individual token to transfer\n     * @param _amount amount of tokens to transfer\n     * @param _data data to transfer along\n     */\n    function _transferERC1155(\n        address _token,\n        address _recipient,\n        uint256 _tokenId,\n        uint256 _amount,\n        bytes calldata _data\n    ) internal virtual burnDisallowed(_recipient) {\n        IERC1155(_token).safeTransferFrom(address(this), _recipient, _tokenId, _amount, _data);\n        emit ERC1155Transferred(_token, _recipient, _tokenId, _amount, _data);\n    }\n}\n"
      },
      "contracts/access/OwnableBase.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"../@openzeppelin/contracts/utils/Context.sol\";\nimport \"./IOwnable.sol\";\n\n/**\n* @notice Throws if called by any account other than the owner.\n* @param _caller address of the caller\n* @param _owner address of the owner\n*/\nerror OwnableBase__CallerNotOwner(address _caller, address _owner);\n\n/**\n * @dev minimalistic version of OpenZeppelin's Ownable.\n * The owner is abstract and is not persisted in storage.\n * Needs to be overridden in a child contract.\n */\nabstract contract OwnableBase is Context, IOwnable {\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        address caller = _msgSender();\n        address currentOwner = owner();\n\n        if (currentOwner != caller) {\n            revert OwnableBase__CallerNotOwner(caller, currentOwner);\n        }\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     * Needs to be overridden in a child contract.\n     */\n    function owner() public view virtual override returns (address);\n}\n"
      },
      "contracts/access/Ownable.sol": {
        "content": "// SPDX-FileCopyrightText: 2024 P2P Validator <info@p2p.org>, OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.24;\n\nimport \"./OwnableBase.sol\";\n\n/**\n* @notice _newOwner cannot be a zero address\n*/\nerror Ownable__NewOwnerIsZeroAddress();\n\n/**\n * @dev OpenZeppelin's Ownable with modifier onlyOwner extracted to OwnableBase\n * and removed `renounceOwnership`\n */\nabstract contract Ownable is OwnableBase {\n\n    /**\n     * @dev Emits when the owner has been changed.\n     * @param _previousOwner address of the previous owner\n     * @param _newOwner address of the new owner\n     */\n    event OwnershipTransferred(address indexed _previousOwner, address indexed _newOwner);\n\n    address private s_owner;\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 override returns (address) {\n        return s_owner;\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     * @param _newOwner address of the new owner\n     */\n    function transferOwnership(address _newOwner) external virtual onlyOwner {\n        if (_newOwner == address(0)) {\n            revert Ownable__NewOwnerIsZeroAddress();\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     * @param _newOwner address of the new owner\n     */\n    function _transferOwnership(address _newOwner) internal virtual {\n        address oldOwner = s_owner;\n        s_owner = _newOwner;\n        emit OwnershipTransferred(oldOwner, _newOwner);\n    }\n}\n"
      },
      "contracts/@openzeppelin/contracts/token/ERC20/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity 0.8.24;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\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 amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` 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 amount) 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 `amount` as the allowance of `spender` over the 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 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` 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(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n"
      },
      "contracts/@openzeppelin/contracts/token/ERC721/IERC721.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity 0.8.24;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in ``owner``'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address to, uint256 tokenId) external;\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
      },
      "contracts/@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity 0.8.24;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n    /**\n     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n     */\n    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n    /**\n     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n     * transfers.\n     */\n    event TransferBatch(\n        address indexed operator,\n        address indexed from,\n        address indexed to,\n        uint256[] ids,\n        uint256[] values\n    );\n\n    /**\n     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n     * `approved`.\n     */\n    event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n    /**\n     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n     *\n     * If an {URI} event was emitted for `id`, the standard\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n     * returned by {IERC1155MetadataURI-uri}.\n     */\n    event URI(string value, uint256 indexed id);\n\n    /**\n     * @dev Returns the amount of tokens of token type `id` owned by `account`.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function balanceOf(address account, uint256 id) external view returns (uint256);\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n        external\n        view\n        returns (uint256[] memory);\n\n    /**\n     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n     *\n     * Emits an {ApprovalForAll} event.\n     *\n     * Requirements:\n     *\n     * - `operator` cannot be the caller.\n     */\n    function setApprovalForAll(address operator, bool approved) external;\n\n    /**\n     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address account, address operator) external view returns (bool);\n\n    /**\n     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n     * - `from` must have a balance of tokens of type `id` of at least `amount`.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 id,\n        uint256 amount,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `amounts` must have the same length.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] calldata ids,\n        uint256[] calldata amounts,\n        bytes calldata data\n    ) external;\n}\n"
      },
      "contracts/@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity 0.8.24;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/draft-IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 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    using Address for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
      },
      "contracts/@openzeppelin/contracts/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity 0.8.24;\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"
      },
      "contracts/@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity 0.8.24;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
      },
      "contracts/@openzeppelin/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity 0.8.24;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n                /// @solidity memory-safe-assembly\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"
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        "hardhat-deploy/=node_modules/hardhat-deploy/",
        "hardhat/=node_modules/hardhat/"
      ],
      "optimizer": {
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        "runs": 200
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      "metadata": {
        "useLiteralContent": false,
        "bytecodeHash": "ipfs",
        "appendCBOR": true
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      "outputSelection": {
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