WO2020211258A1 - Procédé d'interrogation de données de livre de comptes à chaîne de blocs, appareil électronique et support de stockage - Google Patents

Procédé d'interrogation de données de livre de comptes à chaîne de blocs, appareil électronique et support de stockage Download PDF

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Publication number
WO2020211258A1
WO2020211258A1 PCT/CN2019/103764 CN2019103764W WO2020211258A1 WO 2020211258 A1 WO2020211258 A1 WO 2020211258A1 CN 2019103764 W CN2019103764 W CN 2019103764W WO 2020211258 A1 WO2020211258 A1 WO 2020211258A1
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WIPO (PCT)
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page
data
blockchain ledger
written
piece
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PCT/CN2019/103764
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English (en)
Chinese (zh)
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汪昌帅
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平安科技（深圳）有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • This application relates to the field of database technology, in particular to a method for querying blockchain ledger data, an electronic device and a storage medium.
  • the inventor realizes that the processing efficiency of the accounting and query function operations of the blockchain ledger will directly affect the efficiency and usage of the blockchain system.
  • the existing blockchain ledger does not support page-by-page query. In this way, it will greatly affect the efficiency of blockchain ledger accounting and query.
  • the purpose of this application is to provide a query method, electronic device and storage medium for blockchain ledger data, so as to solve the existing technical problems of low query and accounting efficiency caused by the inability to query by page.
  • a method for querying blockchain ledger data includes the following steps:
  • the page number of the target page obtain a keyword set corresponding to the page number of the target page from the blockchain ledger, where one or more keywords exist in the keyword set;
  • the combined result is used as the query result, and the query result is returned.
  • an electronic device including a memory and a processor, the memory is used to store a query system for blockchain ledger data that can be executed by the processor, the blockchain ledger
  • the data query system includes:
  • the first obtaining module is configured to obtain a query request, wherein the query request carries the page number of the target page;
  • the second obtaining module is configured to obtain a keyword set corresponding to the page number of the target page from the blockchain ledger according to the page number of the target page, wherein one or more keywords exist in the keyword set;
  • the third obtaining module is configured to obtain the value corresponding to each keyword in the keyword set from the blockchain ledger;
  • the combination module is used to combine the acquired keyword set and the corresponding value of each keyword in the keyword;
  • the return module is used to take the combined result as the query result and return the query result.
  • a computer device including a memory and a processor, the processor is configured to execute the following steps:
  • the page number of the target page obtain a keyword set corresponding to the page number of the target page from the blockchain ledger, where one or more keywords exist in the keyword set;
  • the combined result is used as the query result, and the query result is returned.
  • a non-volatile computer-readable storage medium on which computer instructions are stored, and the following steps are implemented when the instructions are executed:
  • the page number of the target page obtain a keyword set corresponding to the page number of the target page from the blockchain ledger, where one or more keywords exist in the keyword set;
  • the combined result is used as the query result, and the query result is returned.
  • This application obtains the query request carrying the page number of the target page, and obtains the keyword set corresponding to the page number of the target page from the blockchain ledger according to the page number of the target page, where one or more keywords exist in the keyword set Get the value corresponding to each keyword in the keyword set from the blockchain ledger; combine the obtained keyword set and the corresponding value of each keyword in the keyword; use the combined result as the query result and return The query result.
  • Fig. 1 is a method flowchart of a method for querying blockchain ledger data according to an embodiment of the present application
  • FIG. 2 is a structural block diagram of a query system for blockchain ledger data according to an embodiment of the present application
  • Fig. 3 is a schematic diagram of an optional hardware architecture of an electronic device according to an embodiment of the present application.
  • the blockchain (Fabric) KV ledger does not have page accounting and query functions. If the blockchain (Fabric) can be adjusted The storage method of the KV ledger enables the Blockchain (Fabric) KV ledger to realize the paging management of data, which can effectively improve the efficiency of accounting and query of the Blockchain (Fabric) KV ledger.
  • a method and electronic device for querying blockchain ledger data are provided.
  • the method and electronic device are specifically described as follows:
  • Figure 1 is a schematic diagram of an optional flow chart of the query method for blockchain ledger data of this application. As shown in Figure 1, the method may include the following steps:
  • Step 101 Obtain a query request, where the query request carries the page number of the target page;
  • Step 102 According to the page number of the target page, obtain a keyword set corresponding to the page number of the target page from the blockchain ledger, where one or more keywords exist in the keyword set;
  • Step 103 Obtain the value corresponding to each keyword in the keyword set from the blockchain ledger
  • Step 104 Combine the acquired keyword set and the corresponding value of each keyword in the keyword;
  • Step 105 Use the combined result as the query result, and return the query result.
  • the above-mentioned blockchain ledger can be established as follows, so as to realize the paging management of the blockchain ledger:
  • S1 Obtain the establishment rules of the blockchain ledger, where the establishment rules include a limit on the number of items per page;
  • the page can be understood as a virtual concept, not the actual partition of the database, but the data divided into one page by one page.
  • S2 Obtain a piece of data to be written into the blockchain ledger, where the piece of data to be written into the blockchain ledger includes: keywords and values;
  • each piece of data may include a pair of K-V values, that is, include a keyword and a value corresponding to the keyword, for example, the keyword is Zhang San, and the corresponding value is 400 yuan.
  • a keyword can also correspond to two or more values, then this keyword and multiple values can be used as a key-value pair, that is, a piece of data storage.
  • an area or field can be specifically delineated in the blockchain ledger to store the pages that have been currently written, and the current number of pages that have been written into several pieces of data.
  • S6 Record the page number of the next page and the number of data written in the next page in the blockchain ledger, record the key of the data to be written in the blockchain ledger, and add the A key word of data to be written into the blockchain ledger is associated with the page number of the next page.
  • S7 Record the page number of the next page and the number of data written in the next page in the blockchain ledger.
  • the metadata value can be obtained as 1,1 (where metadata indicates which page has been stored currently, and how many pieces of data have been stored on this page), based on the metadata value 1,1 can be determined, and the first page has been stored currently
  • 1,1 the metadata value
  • the value of page1 can be updated to: ⁇ page1,[ ⁇ , ⁇ ]>, after completion, update the metadata value [1,2];
  • the data of ⁇ Li Si, 400> is added to the database to realize the accounting requirements of the blockchain ledger.
  • paging query can also be performed.
  • a part of the field or space is divided to record the page number of the page currently stored to and the number of data items already stored on the current page.
  • New data can include the following steps:
  • S3 Query the value values corresponding to all the key values in the pagenum, thereby obtaining and returning the data of a page corresponding to the pagenum page.
  • the keyword query operation based on the page number can be completed through the stored page number and the keyword corresponding to the page number.
  • a paging design is adopted for the K-V database in the blockchain ledger, and the data on the ledger can be divided into three categories as shown in Table 1 below according to functions: metadata category, pagenum category, and actual business data records.
  • S2 Get the metadata value as 1,0; that is, it is on page 1 and contains 0 pieces of data. This is the initial state.
  • S3 Start recording data from the first page. At this time, page1 is added, and the data of Zhang San is placed on page1, so there is new data ⁇ page1, Zhang San>. After completion, the metadata value is updated to [1,1], which means the current Page is the first page and a piece of data is stored on the first page;
  • S2 Get the metadata value as 1,1, check that the number of data items in page1 at this time is 1, which is less than 2;
  • S2 Get the metadata value to be 1, and check that the number of data in page1 is 2, which is equal to 2;
  • the obtained metadata data is 2, 1, and it can be determined that there are 2 pages of data in the database at this time;
  • Query a page of data (for example: query the data of the second page, the input parameter is 2)
  • the acquired page2 value set is [ ⁇ ]
  • the acquired Wang five value is 500.
  • the actual stored page number and the number of data items already stored in the page number are stored in the blockchain ledger, as well as the key value of all the data contained in the page number and the data value corresponding to each key value.
  • the existence of data based on page number is realized, so that when the blockchain fabric is inquired, the page number parameter is passed in, and all the data of the page can be returned.
  • this embodiment provides a blockchain ledger data query system.
  • Figure 2 shows the blockchain ledger data query system
  • the optional structural block diagram of the blockchain ledger data query system is divided into one or more program modules, one or more program modules are stored in a storage medium and executed by one or more processors, To complete this application.
  • the program module referred to in this application refers to a series of computer program instruction segments that can complete specific functions. It is more suitable than the program itself to describe the execution process of the blockchain ledger data query system in the storage medium. The following description will specifically introduce this implementation Examples of the functions of each program module:
  • the blockchain ledger data query system 20 may include:
  • the first obtaining module 201 is configured to obtain a query request, wherein the query request carries the page number of the target page;
  • the second obtaining module 202 is configured to obtain a keyword set corresponding to the page number of the target page from the blockchain ledger according to the page number of the target page, where one or more keywords exist in the keyword set;
  • the third obtaining module 203 is configured to obtain the value corresponding to each keyword in the keyword set from the blockchain ledger;
  • the combination module 204 is configured to combine the acquired keyword set and the corresponding value of each keyword in the keyword;
  • the return module 205 is configured to use the combined result as the query result and return the query result.
  • the above-mentioned device may further include: an establishment module for establishing the blockchain ledger in the following manner:
  • S1 Obtain the establishment rules of the blockchain ledger, where the establishment rules include a limit on the number of items per page;
  • S2 Obtain a piece of data to be written into the blockchain ledger, where the piece of data to be written into the blockchain ledger includes: keywords and values;
  • S6 Record the page number of the current page and the number of data items written in the current page in the blockchain ledger.
  • the above-mentioned establishment module may also be used to determine whether the number of data items written in the current page reaches the limit number of items per page, and after determining whether the number of data items written in the current page reaches the limit number per page In the case of the number of entries, add 1 to the page number of the current page as the next page; write the piece of data to be written into the blockchain ledger to the next page; record the next page in the blockchain ledger The page number and the number of data written in the next page.
  • the above-mentioned establishment module may also be used to record the keyword of the piece of data to be written into the blockchain ledger after writing the piece of data to be written into the blockchain ledger into the next page , And associate the key of the piece of data to be written into the blockchain ledger with the page number of the next page.
  • the query request carrying the page number of the target page is obtained, and the keyword set corresponding to the page number of the target page is obtained from the blockchain ledger according to the page number of the target page, where the keyword There are one or more keywords in the set; obtain the value corresponding to each keyword in the keyword set from the blockchain ledger; combine the obtained keyword set with the corresponding value of each keyword in the keyword; The combined result is used as the query result, and the query result is returned.
  • FIG. 3 is a schematic diagram of the hardware architecture of an embodiment of the electronic device according to the present application.
  • the electronic device 2 is a device that can automatically perform numerical calculation and/or information processing according to pre-set or stored instructions.
  • it can be a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server, or a cabinet server (including an independent server or a server cluster composed of multiple servers).
  • the electronic device 2 at least includes, but is not limited to, a memory 21, a processor 22, a network interface 23, and a blockchain ledger data query system 20 that can communicate with each other through a system bus. among them:
  • the memory 21 includes at least one type of computer-readable storage medium.
  • the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), and static random access memory.
  • SRAM read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • PROM programmable read-only memory
  • magnetic memory magnetic disk, optical disk, etc.
  • the memory 21 may be an internal storage module of the electronic device 2, such as a hard disk or a memory of the electronic device 2.
  • the memory 21 may also be an external storage device of the electronic device 2, such as a plug-in hard disk, a smart media card (SMC), and a secure digital (Secure Digital, SD card, Flash Card, etc.
  • the memory 21 may also include both an internal storage module of the electronic device 2 and an external storage device thereof.
  • the memory 21 is generally used to store the operating system and various application software installed in the electronic device 2, for example, the program code of the query system 20 for blockchain ledger data.
  • the memory 21 can also be used to temporarily store various types of data that have been output or will be output.
  • the processor 22 may be a central processing unit (Central Processing Unit, CPU), a controller, a microcontroller, a microprocessor, or other data processing chips in some embodiments.
  • the processor 22 is generally used to control the overall operation of the electronic device 2, for example, perform data interaction or communication-related control and processing with the electronic device 2.
  • the processor 22 is used to run the program code or process data stored in the memory 21, such as the running blockchain ledger data query system 20 and so on.
  • the network interface 23 may include a wireless network interface or a wired network interface, and the network interface 23 is generally used to establish a communication connection between the electronic device 2 and other electronic devices.
  • the network interface 23 is used to connect the electronic device 2 with an external terminal through a network, and establish a data transmission channel and a communication connection between the electronic device 2 and the external terminal.
  • the network can be corporate intranet (Intranet), Internet (Internet), Global System of Mobile communication (GSM), Wideband Code Division Multiple Access (WCDMA), 4G network, 5G network, Wireless or wired networks such as Bluetooth and Wi-Fi.
  • FIG. 3 only shows an electronic device with components 21-23, but it should be understood that it is not required to implement all the components shown, and more or fewer components may be implemented instead.
  • the query system 20 for blockchain ledger data stored in the memory 21 can also be divided into one or more program modules, one or more program modules are stored in the memory 21, and are composed of one or more program modules.
  • Multiple processors in this embodiment, the processor 22 are executed to complete the application.
  • This embodiment also provides a non-volatile computer-readable storage medium.
  • the computer-readable storage medium stores a query system for blockchain ledger data.
  • the query system for blockchain ledger data can be executed by at least one processor.
  • At least one processor implements the steps of the following method when executing: obtaining a query request, where the query request carries the page number of the target page; according to the page number of the target page, the keyword corresponding to the page number of the target page is obtained from the blockchain ledger Set, where one or more keywords exist in the keyword set; obtain the value corresponding to each keyword in the keyword set from the blockchain ledger; combine the obtained keyword set and the corresponding value of each keyword in the keyword; Use the combined result as the query result and return the query result.
  • the computer-readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), static random access memory (SRAM), read only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, magnetic disk, optical disk, etc.
  • the computer-readable storage medium may be an internal storage unit of a computer device, such as a hard disk or memory of the computer device.
  • the computer-readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a smart media card (SMC), and a secure digital (Secure Digital) equipped on the computer device. , SD) card, flash card (Flash Card), etc.
  • the computer-readable storage medium may also include both the internal storage unit and the external storage device of the computer device.
  • the computer-readable storage medium is generally used to store the operating system and various application software installed in the computer device, such as the program code of the customer assurance analysis system in the second embodiment.
  • the computer-readable storage medium can also be used to temporarily store various types of data that have been output or will be output.
  • modules or steps of the above-mentioned embodiments of the application can be implemented by a general computing device, and they can be concentrated on a single computing device or distributed among multiple computing devices.
  • they can be implemented with program codes executable by a computing device, so that they can be stored in a storage device for execution by the computing device, and in some cases, can be different from here
  • the steps shown or described are executed in the order of, or they are respectively fabricated into individual integrated circuit modules, or multiple modules or steps of them are fabricated into a single integrated circuit module to achieve. In this way, the embodiments of the present application are not limited to any specific hardware and software combination.

Abstract

L'invention concerne un procédé d'interrogation de données de livre de comptes à chaîne de blocs, un appareil électronique et un support de stockage. Le procédé comprend les étapes consistant à : acquérir une demande d'interrogation, la demande d'interrogation transportant un numéro de page d'une page cible (101) ; acquérir un ensemble de mots-clés correspondant au numéro de page de la page cible à partir d'un livre de comptes à chaîne de blocs en fonction du numéro de page de la page cible, un ou plusieurs mots-clés étant présents dans l'ensemble de mots-clés (102) ; acquérir une valeur correspondant à chaque mot-clé de l'ensemble de mots-clés provenant du livre de comptes à chaîne de blocs (103) ; combiner l'ensemble de mots-clés acquis et la valeur correspondant à chaque mot-clé dans les mots-clés (104) ; et prendre un résultat de combinaison en tant que résultat d'interrogation et renvoyer le résultat d'interrogation (105). Au moyen du procédé, le problème technique existant selon lequel des données dans un livre de comptes à chaîne de blocs ne peuvent pas faire l'objet d'une interrogation par page est résolu, l'objectif d'une interrogation efficace par page est obtenu et ainsi l'efficacité d'interrogation et de comptabilité d'un livre de comptes à chaîne de blocs peut être efficacement améliorée.
PCT/CN2019/103764 2019-04-17 2019-08-30 Procédé d'interrogation de données de livre de comptes à chaîne de blocs, appareil électronique et support de stockage WO2020211258A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11210404B2 (en) * 2019-06-14 2021-12-28 Netiq Corporation Blockchain-based state verifications of software component vulnerability database for software products

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110162540B (zh) * 2019-04-17 2023-06-06 平安科技（深圳）有限公司 区块链账本数据的查询方法、电子装置及存储介质
CN110618972A (zh) * 2019-08-26 2019-12-27 达疆网络科技(上海)有限公司 一种利用自增Id增进深分页方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160342977A1 (en) * 2015-05-20 2016-11-24 Vennd.io Pty Ltd Device, method and system for virtual asset transactions
CN107247773A (zh) * 2017-06-07 2017-10-13 北京邮电大学 一种基于区块链的在分布式数据库中进行交易查询的方法
CN107729371A (zh) * 2017-09-12 2018-02-23 深圳先进技术研究院 区块链的数据索引及查询方法、装置、设备及存储介质
CN108897758A (zh) * 2018-05-15 2018-11-27 深圳市网心科技有限公司 一种区块链交易查询方法、装置、系统和存储介质
CN110162540A (zh) * 2019-04-17 2019-08-23 平安科技（深圳）有限公司 区块链账本数据的查询方法、电子装置及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107463655A (zh) * 2017-07-27 2017-12-12 无锡雅座在线科技股份有限公司 查询数据的方法、装置和系统
CN109241361A (zh) * 2018-08-31 2019-01-18 上海雄九投资控股(集团)有限公司 基于区块链的数据处理方法
CN109286676B (zh) * 2018-10-15 2021-06-11 国网上海市电力公司 一种基于区块链的电力数据安全信息系统
CN109522314B (zh) * 2018-10-16 2023-04-14 平安科技（深圳）有限公司 基于区块链的数据归档方法及终端设备
CN109542979B (zh) * 2018-11-19 2023-08-22 北京市密网信息科技有限公司 一种区块链系统快速同步及简精数据存储的方式

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160342977A1 (en) * 2015-05-20 2016-11-24 Vennd.io Pty Ltd Device, method and system for virtual asset transactions
CN107247773A (zh) * 2017-06-07 2017-10-13 北京邮电大学 一种基于区块链的在分布式数据库中进行交易查询的方法
CN107729371A (zh) * 2017-09-12 2018-02-23 深圳先进技术研究院 区块链的数据索引及查询方法、装置、设备及存储介质
CN108897758A (zh) * 2018-05-15 2018-11-27 深圳市网心科技有限公司 一种区块链交易查询方法、装置、系统和存储介质
CN110162540A (zh) * 2019-04-17 2019-08-23 平安科技（深圳）有限公司 区块链账本数据的查询方法、电子装置及存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11210404B2 (en) * 2019-06-14 2021-12-28 Netiq Corporation Blockchain-based state verifications of software component vulnerability database for software products

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