{
    "Function": "executeTransaction",
    "File": "contracts/governance/Timelock.sol",
    "Parent Contracts": [
        "contracts/interfaces/governance/ITimelock.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)",
        "GRACE_PERIOD",
        "abi.encodePacked()",
        "require(bool,string)",
        "abi.encode()",
        "require(bool,string)",
        "keccak256(bytes)",
        "require(bool,string)",
        "require(bool,string)",
        "keccak256(bytes)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function executeTransaction(\n        address target,\n        uint256 value,\n       // C4-Audit Fix for Issue # 207\n        string calldata signature,\n        bytes calldata data,\n        uint256 eta\n    ) external payable override returns (bytes memory) {\n        require(\n            msg.sender == admin,\n            \"Timelock::executeTransaction: Call must come from admin.\"\n        );\n\n        bytes32 txHash = keccak256(\n            abi.encode(target, value, signature, data, eta)\n        );\n        require(\n            queuedTransactions[txHash],\n            \"Timelock::executeTransaction: Transaction hasn't been queued.\"\n        );\n        require(\n            block.timestamp >= eta,\n            \"Timelock::executeTransaction: Transaction hasn't surpassed time lock.\"\n        );\n        require(\n            block.timestamp <= eta + GRACE_PERIOD(),\n            \"Timelock::executeTransaction: Transaction is stale.\"\n        );\n\n        queuedTransactions[txHash] = false;\n\n        bytes memory callData;\n\n        if (bytes(signature).length == 0) {\n            callData = data;\n        } else {\n            callData = abi.encodePacked(\n                bytes4(keccak256(bytes(signature))),\n                data\n            );\n        }\n\n        // solium-disable-next-line security/no-call-value\n        (bool success, bytes memory returnData) = target.call{value: value}(\n            callData\n        );\n\n        require(\n            success,\n            \"Timelock::executeTransaction: Transaction execution reverted.\"\n        );\n\n        emit ExecuteTransaction(txHash, target, value, signature, data, eta);\n\n        return returnData;\n    }"
}