```\\nfunction _copyUserOpToMemory(UserOperation calldata userOp, MemoryUserOp memory mUserOp) internal pure {\\n    mUserOp.sender = userOp.sender;\\n    mUserOp.nonce = userOp.nonce;\\n    mUserOp.callGasLimit = userOp.callGasLimit;\\n    mUserOp.verificationGasLimit = userOp.verificationGasLimit;\\n    mUserOp.preVerificationGas = userOp.preVerificationGas;\\n    mUserOp.maxFeePerGas = userOp.maxFeePerGas;\\n    mUserOp.maxPriorityFeePerGas = userOp.maxPriorityFeePerGas;\\n    bytes calldata paymasterAndData = userOp.paymasterAndData;\\n    if (paymasterAndData.length > 0) {\\n        require(paymasterAndData.length >= 20, "AA93 invalid paymasterAndData");\\n        mUserOp.paymaster = address(bytes20(paymasterAndData[: 20]));\\n    } else {\\n        mUserOp.paymaster = address(0);\\n    }\\n}\\n```\\n