{
    "Function": "executeMetaTransaction",
    "File": "contracts/lib/NativeMetaTransaction.sol",
    "Parent Contracts": [
        "contracts/lib/EIP712Base.sol",
        "node_modules/@openzeppelin/contracts/proxy/utils/Initializable.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "abi.encodePacked()",
        "verify",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function executeMetaTransaction(\n        address userAddress,\n        bytes memory functionSignature,\n        bytes32 sigR,\n        bytes32 sigS,\n        uint8 sigV\n    ) public payable returns (bytes memory) {\n        MetaTransaction memory metaTx = MetaTransaction({\n            nonce: nonces[userAddress],\n            from: userAddress,\n            functionSignature: functionSignature\n        });\n\n        require(\n            verify(userAddress, metaTx, sigR, sigS, sigV),\n            \"Signer and signature do not match\"\n        );\n\n        // increase nonce for user (to avoid re-use)\n        nonces[userAddress] = nonces[userAddress] + (1);\n\n        emit MetaTransactionExecuted(\n            userAddress,\n            msg.sender,\n            functionSignature\n        );\n\n        // Append userAddress and relayer address at the end to extract it from calling context\n        (bool success, bytes memory returnData) = address(this).call(\n            abi.encodePacked(functionSignature, userAddress)\n        );\n        require(success, \"Function call not successful\");\n\n        return returnData;\n    }"
}