{
    "Function": "execute",
    "File": "contracts/gmp-sdk/express/AxelarValuedExpressExecutable.sol",
    "Parent Contracts": [
        "contracts/gmp-sdk/express/ExpressExecutorTracker.sol",
        "contracts/gmp-sdk/interfaces/IAxelarExpressExecutable.sol",
        "contracts/gmp-sdk/interfaces/IAxelarExecutable.sol"
    ],
    "High-Level Calls": [
        "IAxelarGateway"
    ],
    "Internal Calls": [
        "_popExpressExecutor",
        "_transferToExecutor",
        "_execute",
        "contractCallValue",
        "revert NotApprovedByGateway()",
        "keccak256(bytes)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function execute(\n        bytes32 commandId,\n        string calldata sourceChain,\n        string calldata sourceAddress,\n        bytes calldata payload\n    ) external {\n        bytes32 payloadHash = keccak256(payload);\n\n        if (!gateway.validateContractCall(commandId, sourceChain, sourceAddress, payloadHash)) revert NotApprovedByGateway();\n\n        address expressExecutor = _popExpressExecutor(commandId, sourceChain, sourceAddress, payloadHash);\n\n        if (expressExecutor == address(0)) {\n            _execute(sourceChain, sourceAddress, payload);\n            return;\n        }\n\n        {\n            (address tokenAddress, uint256 value) = contractCallValue(sourceChain, sourceAddress, payload);\n            _transferToExecutor(expressExecutor, tokenAddress, value);\n        }\n\n        emit ExpressExecutionFulfilled(commandId, sourceChain, sourceAddress, payloadHash, expressExecutor);\n    }"
}