CN114281377A - Block chain system management method and device based on metadata - Google Patents
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Abstract
The embodiment of the specification discloses a block chain system management method based on metadata, which comprises the following steps: defining block chain system metadata, wherein the metadata at least comprises a block chain system metadata version number, a block chain engine and a version number thereof, an on-chain configuration and an off-chain system configuration; creating and deploying a corresponding metadata interpreter and metadata executor in the blockchain system; the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata; when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system. The invention defines the block chain system metadata, creates the corresponding interpreter and executor, and automatically completes the system installation, deployment or update and upgrade.
Description
Technical Field
The present disclosure relates to the field of computer software technologies, and in particular, to a method and an apparatus for managing a blockchain system based on metadata, an electronic device, and a storage medium.
Background
Blockchain protocol may be understood as a protocol describing a set of consistent behaviors of what data structure format must be generated by what process. The blockchain system is a software program automatically executed according to a defined blockchain protocol, is a distributed system, and consists of a plurality of common nodes, and each node is generally provided with a participant for operation. Installation deployment and program upgrading of the system need to be carried out by negotiating a plurality of participants, the program upgrading caused by the first installation and subsequent block chain protocol change needs to be carried out by multiple negotiations and tests, and the fact that the executive personnel of each participant has insufficient preparation for the steps of installation and upgrading or knowledge causes unavailability of the whole system (the problem of consistency of the distributed system) and is not beneficial to continuous availability of the block chain system.
Disclosure of Invention
An object of the embodiments of the present specification is to provide a method, an apparatus, an electronic device, and a storage medium for managing a metadata-based blockchain system.
In order to solve the above technical problem, the embodiments of the present specification are implemented as follows:
in a first aspect, a method for managing a blockchain system based on metadata is provided, including:
defining metadata of a blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
according to the metadata, creating and deploying a corresponding metadata interpreter and a corresponding metadata executor in the blockchain system;
the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata;
when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
In a second aspect, a block chain system management apparatus based on metadata is provided, including:
the metadata definition module is used for defining metadata of the blockchain system, and elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
the metadata interpreter is used for creating and deploying the metadata to the blockchain system according to the metadata and analyzing the metadata;
the metadata executor is used for creating and deploying the metadata to the blockchain system according to the metadata, and executing the metadata analyzed by the metadata interpreter so that the blockchain system completes system configuration according to the metadata;
and the metadata updating module is used for distributing new metadata to the nodes of the blockchain system when the blockchain system needs to be upgraded, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
In a third aspect, a blockchain system based on metadata management includes at least a metadata management subsystem and a plurality of blockchain system nodes, where:
the metadata management subsystem defines metadata of the blockchain system, and elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration; according to the metadata, creating and deploying a corresponding metadata interpreter and a corresponding metadata executor in the blockchain system; the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata; when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system;
the nodes of the blockchain system run the metadata interpreter and the metadata executor, and after receiving the metadata, the metadata are analyzed by the metadata interpreter and then are sent to the metadata executor, so that the blockchain system completes system configuration according to the metadata;
and after the system configuration is completed among all nodes of the block chain system according to the metadata, block chain data are generated according to a block chain protocol.
In a fourth aspect, an electronic device is provided, including: a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to perform the method of the second aspect.
In a fifth aspect, a computer-readable storage medium is presented, which stores one or more programs that, when executed by an electronic device comprising a plurality of application programs, cause the electronic device to perform the method of the second aspect.
The specification can achieve at least the following technical effects:
according to the invention, by defining the metadata of the blockchain system in a data exchange format and creating the metadata interpreter and the metadata executor corresponding to the metadata, the installation, deployment and updating of the blockchain system are executed without manual intervention, so that the deployment and updating efficiency of the blockchain system is improved, the error chance is reduced, the downtime of the system is reduced, and the availability of the system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a block chain system structure diagram based on metadata management according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a method for managing a metadata-based blockchain system according to an embodiment of the present disclosure.
Fig. 3 is a second schematic diagram of a metadata-based block chain system management method according to an embodiment of the present disclosure.
Fig. 4 is a schematic diagram of a block chain system management apparatus based on metadata according to an embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of an electronic device provided in an embodiment of the present specification.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present specification, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the present specification without any inventive step should fall within the scope of protection of the present specification.
A metadata-based blockchain system management scheme referred to in the present specification is described in detail below by way of specific examples.
Key terms
Block chains: the distributed data processing system is a brand new distributed infrastructure and computing paradigm for verifying and storing data by using a block chain type data structure, generating and updating data by using a distributed node consensus algorithm, ensuring the safety of data transmission and access by using a cryptographic mode, and programming and operating data by using an intelligent contract consisting of automatic script codes. In essence, it is a shared database, and the data or information stored in it has the characteristics of being unforgeable, having trace in the whole course, being traceable, being publicly transparent, being maintained collectively, and the like. Based on the characteristics, the block chain lays a solid trust foundation, creates a reliable cooperation mechanism and has wide application prospect. The block chains are classified into public, alliance and private chains according to admission mechanisms.
The block chain system: the distributed system is composed of a plurality of commonly-identified nodes, and each node is generally provided with a participant for operation.
Metadata: the data about description data (data about) is also called intermediate data and relay data, and is mainly information about description data property (property) for supporting functions such as indicating storage location, history data, resource searching, file recording, and the like. Metadata is an electronic catalog, and in order to achieve the purpose of creating a catalog, the contents or features of data must be described and collected, so as to achieve the purpose of assisting data retrieval. Metadata is information about the organization, data domains and their relationships of data, and in short, metadata is descriptive information about data, data and information resources. In the field of software construction, metadata is defined as data that is not an object that is processed in a program, but that changes the behavior of the program through a change in its value. It functions to control program behavior in an interpreted manner during runtime. By arranging metadata with different values at different positions of the program, the program behavior equivalent to the original behavior can be obtained.
YAML: is a recursive abbreviation for "YAML Ain't a Markup Language" (YAML is not a Markup Language). YAML is similar in syntax to other high-level languages and may simply express data forms such as lists, hash tables, scalars, and the like. It uses blank symbol indentation and a large number of appearance-dependent features, and is particularly suitable for expressing or editing data structures, various configuration files, preprinting debugging contents, and file outlines.
JSON: is a lightweight data exchange format. It stores and represents data in a text format that is completely independent of the programming language, based on a subset of ECMAScript (js specification set by the european computer association). The compact and clear hierarchy makes JSON an ideal data exchange language. The network transmission method is easy to read and write by people, is easy to analyze and generate by machines, and effectively improves the network transmission efficiency.
Example one
Fig. 1 is a block chain system based on metadata management according to an embodiment of the present invention. The system includes at least a metadata management subsystem and a plurality of blockchain system nodes.
The metadata management subsystem includes metadata definitions, interpreters, enforcers, and corresponding functionality for metadata updates.
First, defining metadata of a blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration. It should be noted that the same blockchain system only has one piece of metadata, that is, the nodes in the blockchain system should receive and execute the same metadata. Second, a corresponding metadata interpreter and metadata executor are created and deployed in the blockchain system. And thirdly, the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata. The executor installs a corresponding blockchain engine according to the blockchain engine of the metadata and the version number thereof, runs the blockchain according to the on-chain configuration and the off-chain system configuration of the metadata, and generates blockchain data according to the blockchain protocol. And when the blockchain system needs to be upgraded, distributing new metadata to the nodes of the blockchain, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system. It should be noted that, when the definition of the blockchain system metadata changes, the corresponding version number of the blockchain system metadata also changes, so that the metadata interpreter interprets different metadata formats according to different metadata version numbers.
And the block chain system node actually bears and runs a metadata interpreter and a metadata executor, and after receiving the metadata, the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata. And after the system configuration is completed among all nodes of the block chain system according to the metadata, block chain data are generated according to a block chain protocol.
Example two
Referring to fig. 2, a method for managing a block chain based on metadata according to an embodiment of the present invention includes:
step 101: defining metadata of the blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration.
Optionally, the parameter items included in the metadata element are increased or decreased according to the configuration requirement of the blockchain system. Meanwhile, the metadata is described in a data exchange format, and the data exchange format includes one of YAML or JSON. It should be noted that, when the definition of the blockchain system metadata changes, the corresponding version number of the blockchain system metadata also changes, so that the metadata interpreter interprets different metadata formats according to different metadata version numbers. The metadata definition of one embodiment of the present invention is given below by way of example in YAML:
step 102: creating and deploying a corresponding metadata interpreter and metadata executor in the blockchain system.
Step 103: and the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata. As shown in fig. 3, the operation process of the actuator in one embodiment of the present invention is as follows:
step 131: installing a corresponding blockchain engine according to the blockchain engine of the metadata and the version number of the blockchain engine;
step 132: running the blockchain according to the on-chain configuration and the off-chain system configuration of the metadata;
step 133: generating blockchain data according to the blockchain protocol.
Step 104: when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
EXAMPLE III
Fig. 4 is a schematic structural diagram of a block chain system management apparatus 400 based on metadata according to an embodiment of the present disclosure. Referring to fig. 4, in one embodiment, the metadata-based blockchain system management apparatus includes:
the metadata definition module 401 is configured to define metadata of the blockchain system, where elements of the metadata at least include a version number of the blockchain system metadata, a blockchain engine and its version number, an on-chain configuration, and an off-chain system configuration.
A metadata interpreter 402, created and deployed to the blockchain system according to the metadata, and configured to parse the metadata.
And a metadata executor 403, configured to create and deploy the blockchain system according to the metadata, and configured to execute the metadata parsed by the metadata interpreter, so that the blockchain system completes system configuration according to the metadata.
A metadata update module 404, configured to, when the blockchain system needs to be upgraded, distribute new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
It should be understood that the blockchain system management device based on metadata according to the embodiment of the present disclosure may also perform the method performed by the blockchain system management device (or apparatus) based on metadata in fig. 2 to 3, and implement the functions of the blockchain system management device (or apparatus) based on metadata in the examples shown in fig. 2 to 3, which are not described herein again.
Example four
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present specification. Referring to fig. 5, at a hardware level, the electronic device includes a processor, and optionally further includes an internal bus, a network interface, and a memory. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.
The processor, the network interface, and the memory may be connected to each other via an internal bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 5, but this does not indicate only one bus or one type of bus.
And the memory is used for storing programs. In particular, the program may include program code comprising computer operating instructions. The memory may include both memory and non-volatile storage and provides instructions and data to the processor.
The processor reads the corresponding computer program from the nonvolatile memory into the memory and then runs the computer program to form the shared resource access control device on the logic level. The processor is used for executing the program stored in the memory and is specifically used for executing the following operations:
defining metadata of a blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
according to the metadata, creating and deploying a corresponding metadata interpreter and a corresponding metadata executor in the blockchain system;
the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata;
when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
The above-described method for managing a blockchain system based on metadata according to the embodiments shown in fig. 2 to 3 of the present specification can be applied to or implemented by a processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present specification may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present specification may be embodied directly in a hardware decoding processor, or in a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.
Of course, besides the software implementation, the electronic device of the embodiment of the present disclosure does not exclude other implementations, such as a logic device or a combination of software and hardware, and the like, that is, the execution subject of the following processing flow is not limited to each logic unit, and may also be hardware or a logic device.
EXAMPLE five
Embodiments of the present specification also propose a computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a portable electronic device comprising a plurality of application programs, are capable of causing the portable electronic device to perform the method of the embodiments shown in fig. 3 to 4, and in particular to perform the method of:
defining metadata of a blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
according to the metadata, creating and deploying a corresponding metadata interpreter and a corresponding metadata executor in the blockchain system;
the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata;
when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
In short, the above description is only a preferred embodiment of the present disclosure, and is not intended to limit the scope of the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present specification shall be included in the protection scope of the present specification.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (11)
1. A block chain system management method based on metadata is characterized by comprising the following steps:
defining metadata of a blockchain system, wherein the elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
creating and deploying a corresponding metadata interpreter and metadata executor in the blockchain system;
the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata;
when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
2. The method according to claim 1, wherein the metadata element comprises parameter items that are increased or decreased according to configuration requirements of the blockchain system.
3. The method of claim 1, wherein the metadata is described in a data exchange format, the data exchange format comprising one of YAML or JSON.
4. The method of claim 1, wherein the metadata executor operational process comprises:
installing a corresponding blockchain engine according to the blockchain engine of the metadata and the version number of the blockchain engine;
running the blockchain according to the on-chain configuration and the off-chain system configuration of the metadata;
generating blockchain data according to the blockchain protocol.
5. A device for managing a blockchain system based on metadata, comprising:
the metadata definition module is used for defining metadata of the blockchain system, and elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration;
the metadata interpreter is used for creating and deploying the metadata to the blockchain system according to the metadata and analyzing the metadata;
the metadata executor is used for creating and deploying the metadata to the blockchain system according to the metadata, and executing the metadata analyzed by the metadata interpreter so that the blockchain system completes system configuration according to the metadata;
and the metadata updating module is used for distributing new metadata to the nodes of the blockchain system when the blockchain system needs to be upgraded, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system.
6. The apparatus of claim 5, wherein the metadata definition module increases or decreases the parameter items included in the metadata element according to the configuration requirement of the block chain.
7. The apparatus of claim 5, wherein the metadata definition module describes the metadata in a data exchange format, the data exchange format comprising one of YAML or JSON.
8. The apparatus of claim 5, wherein the metadata executor comprises:
installing a corresponding blockchain engine according to the blockchain engine of the metadata and the version number of the blockchain engine;
running the blockchain according to the on-chain configuration and the off-chain system configuration of the metadata;
generating blockchain data according to the blockchain protocol.
9. A blockchain system based on metadata management, comprising at least a metadata management subsystem and a plurality of blockchain system nodes, wherein:
the metadata management subsystem defines metadata of the blockchain system, and elements of the metadata at least comprise a blockchain system metadata version number, a blockchain engine and a version number thereof, an on-chain configuration and an off-chain system configuration; according to the metadata, creating and deploying a corresponding metadata interpreter and a corresponding metadata executor in the blockchain system; the metadata is analyzed by the metadata interpreter and then is sent to the metadata executor, so that the block chain system completes system configuration according to the metadata; when the blockchain system needs to be upgraded, distributing new metadata to nodes of the blockchain system, so that the metadata interpreter and the metadata executor automatically execute the new metadata to update the configuration of the blockchain system;
the nodes of the blockchain system run the metadata interpreter and the metadata executor, and after receiving the metadata, the metadata are analyzed by the metadata interpreter and then are sent to the metadata executor, so that the blockchain system completes system configuration according to the metadata;
and after the system configuration is completed among all nodes of the block chain system according to the metadata, block chain data are generated according to a block chain protocol.
10. An electronic device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to perform the method of any of claims 1 to 4.
11. A computer readable storage medium, characterized in that the computer readable storage medium stores one or more programs that, when executed by an electronic device comprising a plurality of application programs, cause the electronic device to perform the method of any of claims 1 to 4.
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