{
    "Function": "_fallback",
    "File": "contracts/upgrades/GraphProxy.sol",
    "Parent Contracts": [
        "contracts/upgrades/GraphProxyStorage.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "gas()",
        "returndatacopy(uint256,uint256,uint256)",
        "mload(uint256)",
        "returndatasize()",
        "require(bool,string)",
        "calldatasize()",
        "calldatasize()",
        "revert(uint256,uint256)",
        "delegatecall(uint256,uint256,uint256,uint256,uint256,uint256)",
        "return(uint256,uint256)",
        "calldatacopy(uint256,uint256,uint256)",
        "_admin"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _fallback() internal {\n        require(msg.sender != _admin(), \"Cannot fallback to proxy target\");\n\n        assembly {\n            // (a) get free memory pointer\n            let ptr := mload(0x40)\n\n            // (b) get address of the implementation\n            let impl := and(sload(IMPLEMENTATION_SLOT), 0xffffffffffffffffffffffffffffffffffffffff)\n\n            // (1) copy incoming call data\n            calldatacopy(ptr, 0, calldatasize())\n\n            // (2) forward call to logic contract\n            let result := delegatecall(gas(), impl, ptr, calldatasize(), 0, 0)\n            let size := returndatasize()\n\n            // (3) retrieve return data\n            returndatacopy(ptr, 0, size)\n\n            // (4) forward return data back to caller\n            switch result\n            case 0 {\n                revert(ptr, size)\n            }\n            default {\n                return(ptr, size)\n            }\n        }\n    }"
}