{
    "Function": "permit",
    "File": "contracts/src/vendor/forge-std/src/mocks/MockERC20.sol",
    "Parent Contracts": [
        "contracts/src/vendor/forge-std/src/interfaces/IERC20.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "keccak256(bytes)",
        "keccak256(bytes)",
        "require(bool,string)",
        "ecrecover(bytes32,uint8,bytes32,bytes32)",
        "abi.encodePacked()",
        "DOMAIN_SEPARATOR",
        "abi.encode()",
        "keccak256(bytes)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s)\n        public\n        virtual\n    {\n        require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n        address recoveredAddress = ecrecover(\n            keccak256(\n                abi.encodePacked(\n                    \"\\x19\\x01\",\n                    DOMAIN_SEPARATOR(),\n                    keccak256(\n                        abi.encode(\n                            keccak256(\n                                \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n                            ),\n                            owner,\n                            spender,\n                            value,\n                            nonces[owner]++,\n                            deadline\n                        )\n                    )\n                )\n            ),\n            v,\n            r,\n            s\n        );\n\n        require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n        _allowance[recoveredAddress][spender] = value;\n\n        emit Approval(owner, spender, value);\n    }"
}