{
    "Function": "_setExpressExecutor",
    "File": "contracts/gmp-sdk/express/ExpressExecutorTracker.sol",
    "Parent Contracts": [
        "contracts/gmp-sdk/interfaces/IAxelarExpressExecutable.sol",
        "contracts/gmp-sdk/interfaces/IAxelarExecutable.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "sload(uint256)",
        "_expressExecuteSlot",
        "sstore(uint256,uint256)",
        "revert ExpressExecutorAlreadySet()"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _setExpressExecutor(\n        bytes32 commandId,\n        string calldata sourceChain,\n        string calldata sourceAddress,\n        bytes32 payloadHash,\n        address expressExecutor\n    ) internal {\n        uint256 slot = _expressExecuteSlot(commandId, sourceChain, sourceAddress, payloadHash);\n        address currentExecutor;\n\n        assembly {\n            currentExecutor := sload(slot)\n        }\n\n        if (currentExecutor != address(0)) revert ExpressExecutorAlreadySet();\n\n        assembly {\n            sstore(slot, expressExecutor)\n        }\n    }"
}