{
    "Function": "execute",
    "File": "contracts/AxelarGateway.sol",
    "Parent Contracts": [
        "contracts/AdminMultisigBase.sol",
        "contracts/EternalStorage.sol",
        "contracts/interfaces/IAxelarGateway.sol"
    ],
    "High-Level Calls": [
        "ECDSA",
        "IAxelarAuth",
        "AxelarGateway"
    ],
    "Internal Calls": [
        "isCommandExecuted",
        "abi.decode()",
        "revert InvalidChainId()",
        "keccak256(bytes)",
        "abi.encodeWithSelector()",
        "revert InvalidCommands()",
        "keccak256(bytes)",
        "_setCommandExecuted",
        "abi.encodePacked()",
        "_setCommandExecuted",
        "abi.decode()"
    ],
    "Library Calls": [
        "toEthSignedMessageHash"
    ],
    "Low-Level Calls": [
        "call"
    ],
    "Code": "function execute(bytes calldata input) external override {\n        (bytes memory data, bytes memory proof) = abi.decode(input, (bytes, bytes));\n\n        bytes32 messageHash = ECDSA.toEthSignedMessageHash(keccak256(data));\n\n        // TEST auth and getaway separately\n        bool currentOperators = IAxelarAuth(AUTH_MODULE).validateProof(messageHash, proof);\n\n        uint256 chainId;\n        bytes32[] memory commandIds;\n        string[] memory commands;\n        bytes[] memory params;\n\n        try AxelarGateway(this)._unpackLegacyCommands(data) returns (\n            uint256 chainId_,\n            bytes32[] memory commandIds_,\n            string[] memory commands_,\n            bytes[] memory params_\n        ) {\n            (chainId, commandIds, commands, params) = (chainId_, commandIds_, commands_, params_);\n        } catch {\n            (chainId, commandIds, commands, params) = abi.decode(data, (uint256, bytes32[], string[], bytes[]));\n        }\n\n        if (chainId != block.chainid) revert InvalidChainId();\n\n        uint256 commandsLength = commandIds.length;\n\n        if (commandsLength != commands.length || commandsLength != params.length) revert InvalidCommands();\n\n        for (uint256 i; i < commandsLength; ++i) {\n            bytes32 commandId = commandIds[i];\n\n            if (isCommandExecuted(commandId)) continue; /* Ignore if duplicate commandId received */\n\n            bytes4 commandSelector;\n            bytes32 commandHash = keccak256(abi.encodePacked(commands[i]));\n\n            if (commandHash == SELECTOR_DEPLOY_TOKEN) {\n                commandSelector = AxelarGateway.deployToken.selector;\n            } else if (commandHash == SELECTOR_MINT_TOKEN) {\n                commandSelector = AxelarGateway.mintToken.selector;\n            } else if (commandHash == SELECTOR_APPROVE_CONTRACT_CALL) {\n                commandSelector = AxelarGateway.approveContractCall.selector;\n            } else if (commandHash == SELECTOR_APPROVE_CONTRACT_CALL_WITH_MINT) {\n                commandSelector = AxelarGateway.approveContractCallWithMint.selector;\n            } else if (commandHash == SELECTOR_BURN_TOKEN) {\n                commandSelector = AxelarGateway.burnToken.selector;\n            } else if (commandHash == SELECTOR_TRANSFER_OPERATORSHIP) {\n                if (!currentOperators) continue;\n\n                commandSelector = AxelarGateway.transferOperatorship.selector;\n            } else {\n                continue; /* Ignore if unknown command received */\n            }\n\n            // Prevent a re-entrancy from executing this command before it can be marked as successful.\n            _setCommandExecuted(commandId, true);\n            (bool success, ) = address(this).call(abi.encodeWithSelector(commandSelector, params[i], commandId));\n\n            if (success) emit Executed(commandId);\n            else _setCommandExecuted(commandId, false);\n        }\n    }"
}