{
    "Function": "_transferWithAuthorization",
    "File": "contracts/v1/EIP3009.sol",
    "Parent Contracts": [
        "contracts/v1/EIP712Domain.sol",
        "contracts/v1/AbstractFiatTokenV1.sol",
        "contracts/util/IERC20.sol"
    ],
    "High-Level Calls": [
        "EIP712"
    ],
    "Internal Calls": [
        "_domainSeparatorV4",
        "require(bool,string)",
        "_transfer",
        "abi.encode()",
        "_markAuthorizationAsUsed",
        "_requireValidAuthorization"
    ],
    "Library Calls": [
        "recover"
    ],
    "Low-Level Calls": [],
    "Code": "function _transferWithAuthorization(\n        address from,\n        address to,\n        uint256 value,\n        uint256 validAfter,\n        uint256 validBefore,\n        bytes32 nonce,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        _requireValidAuthorization(from, nonce, validAfter, validBefore);\n\n        bytes memory data = abi.encode(\n            TRANSFER_WITH_AUTHORIZATION_TYPEHASH,\n            from,\n            to,\n            value,\n            validAfter,\n            validBefore,\n            nonce\n        );\n        require(\n            EIP712.recover(_domainSeparatorV4(), v, r, s, data) == from,\n            \"EIP3009: invalid signature\"\n        );\n\n        _markAuthorizationAsUsed(from, nonce);\n        _transfer(from, to, value);\n    }"
}