{
    "Function": "execute",
    "File": "contracts/Forwarder.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"
    ],
    "High-Level Calls": [
        "EURFToken"
    ],
    "Internal Calls": [
        "abi.encodePacked()",
        "require(bool,string)",
        "require(bool,string)",
        "_msgSender",
        "_verifySig",
        "_updateNonce",
        "_verifyNonce",
        "require(bool,string)",
        "keccak256(bytes)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function execute(\n        ForwardRequest calldata req,\n        bytes32 domainSeparator,\n        bytes32 requestTypeHash,\n        bytes calldata suffixData,\n        bytes calldata sig\n    ) external payable returns (bool success, bytes memory ret) {\n        _verifyNonce(req);\n        _verifySig(req, domainSeparator, requestTypeHash, suffixData, sig);\n        _updateNonce(req);\n\n        require(req.to == _eurfAddress, \"NGEUR Forwarder: can only forward NGEUR transactions\");\n\n        bytes4 transferSelector = bytes4(keccak256(\"transfer(address,uint256)\"));\n        bytes4 reqTransferSelector = bytes4(req.data[:4]);\n\n        require(reqTransferSelector == transferSelector, \"NGEUR Forwarder: can only forward transfer transactions\");\n\n        // solhint-disable-next-line avoid-low-level-calls\n        (success, ret) = req.to.call{gas: req.gas, value: req.value}(abi.encodePacked(req.data, req.from));\n        require(success, \"NGEUR Forwarder: failed tx execution\");\n\n        _eurf.payGaslessBasefee(req.from, _msgSender());\n\n        return (success, ret);\n    }"
}