CN112559625A - Power business material information storage system and method based on block chain - Google Patents
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Abstract
The invention discloses a power service material information storage system and method based on a block chain. The system comprises a main chain and a slave chain which form a block chain; the slave chain comprises N slave chain link points, and the slave chain link points are used for storing main data of the power service material information; the main chain comprises M main chain nodes, and the main chain nodes are used for storing the associated information data of the data in the slave chain. The method comprises the following steps: 1) processing the power service material information into formal data with consistent structure and then linking the data; 2) the slave chain of the block chain packs the related important information and sends the packed important information to the main chain for storage, and the whole uploading process is recorded; 3) basic information of the power service material information is queried through the main chain, and the main chain node may request to query its detailed information from the chain. The invention adopts block chain uplink storage, thus ensuring that data can not be tampered and improving the reliability; through designing a material data model and a storage structure, the data uplink information is associated, and the time cost of material data information management is reduced.
Description
Technical Field
The invention relates to the technical field of data storage, in particular to a power service material information storage system and method based on a block chain.
Background
The storage modes of the power service material information are different, the storage modes are put in corresponding data tables in a database mode, the data are loose and have poor relevance, the relevance among the data cannot be directly seen, and the management difficulty is very high; only the familiar personnel can manage the operation, and the difficulty of the operation is high; and the reliability and credibility of the data cannot be guaranteed. In the prior art, for example, patent document CN111260194A discloses a method and a system for accurately supplying materials based on a block chain, which belong to the technical field of material supply, and include that based on the block chain technology, material supply and demand information is registered and linked, and the material supply and demand information includes supply data and demand data; respectively acquiring demand data and supply data into two sequence queues to respectively obtain a demand queue and a supply queue; matching the information in the demand queue and the supply queue to generate a material transfer list; and realizing material supply according to the material allocation and dialing sheet. This document mainly discloses a supply and demand processing technique for power service material information, which cannot solve the reliability and credibility of data storage.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a power service material information storage system and method based on a block chain, wherein the block chain is adopted for uplink storage, so that data cannot be falsified, and the reliability is improved; and through designing a material data model and a storage structure, the data uplink information is associated, and the time cost of material data information management is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
in one aspect, the invention provides a power service material information storage system based on a block chain.
The system comprises a main chain and a slave chain which form a block chain;
the slave chain comprises N slave chain link points, and the slave chain link points are used for storing main data of the power service material information;
the main chain comprises M main chain nodes, and the main chain nodes are used for storing the associated information data of the data in the slave chain.
Wherein:
the slave link point comprises a data source server which is used for generating original data of the power service material information and linking the data after block chain authentication.
The system also includes a data processing model for processing raw data generated by the data source server into structurally consistent, formalized data.
The system also comprises a data publishing module, a data conversion module and a data receiving module, wherein the data publishing module is used for receiving the formalized data from the data conversion module, judging whether the data is the associated information data needing to be published to the main chain or not, and marking the data if the data needs to be published to the main chain; if not, not operating; when the data publishing module judges that the data is needed, the data is encrypted and signed, then the data is packaged into a block form, and the block form is broadcasted to a slave chain; if not, the data is signed and broadcast to the main chain network, and the building blocks are identified and stored.
The chain type framework of the block chain stores data by using a classified static account book mode, wherein the classified static account book comprises an asset account book, a contract account book, an application account book and a log account book; the data storage adopts a dynamic storage technology, and the contract owner and the application owner can be dynamically updated and upgraded.
In another aspect, the invention provides a method for storing power service material information based on a block chain.
The method comprises the following steps:
1) processing the power service material information into formal data with consistent structure and then linking the data;
2) the slave chain of the block chain packs the related important information and sends the packed important information to the main chain for storage, and the whole uploading process is recorded;
3) basic information of the power service material information is queried through the main chain, and the main chain node may request detailed information to be queried from the chain.
Wherein:
the formation process of the formalized data comprises the following steps: 1) defining a data conversion rule; 2) unifying the data model; 3) converting the power service material information into formal data with consistent structure according to the model, wherein the structure of the formal data comprises an identifier, a type, a signer and a timestamp;
in the blocks after the formalized data chaining, each data record comprises three elements of a public key, a data abstract and block body data; the public key is used for confirming the identity and the access authority of the data production equipment; the data abstraction is to perform hash calculation on the data, is used for verifying the integrity of the data and is used as a data index; the block data stores descriptive information, so that data can be conveniently inquired in a master-slave chain according to categories, and the data searching speed is improved.
The winding process comprises the following steps: 1) integrating and processing the material information data of the electric power service by the data source server, recording related information necessary for chaining, initiating a login request to the block chain after the processing is finished, and sending related identity information; 2) after the block link receives the identity information of the data source and the login request, calling an intelligent contract to verify the identity information of the data source, returning a login result after confirming the identity of the data source and informing a data source server of successful login; 3) after the data source server finishes logging in, uploading data record uplink information to the block chain; after the block link receives the information to be linked on the data records, the intelligent contract allocation identification is called according to the related information such as the data record types, the content, the sources and the like, and finally the identification and the information to be linked on the data records are stored to the block link network together.
Furthermore, the data access point identifier needs to be registered by the system before the uplink data is released; the data access point identification is divided into a first-level identification and a multi-level identification; the first-level identification is from a block chain, the terminal acquires the block number and the transaction serial number of the block chain where the information is located by issuing identification configuration information to a public block chain, and a unique data access point identification which cannot be tampered is distributed to the terminal according to the unique non-tampered characteristic of the block on the block chain; the multi-level identification is that the service data sharing equipment is used as a server, a private chain is established among server nodes, the private chain is used for bearing a second-level or lower-level identification, and the ubiquitous service data sharing equipment of a certain local area network acquires the second-level or lower-level identification under the corresponding first-level identification by registering the identification on the private chain;
after the data access identification is successfully acquired, a user inputs data in various forms into the system through an IO interface facing the user, the system calls a data encryption and decryption module after acquiring the data, and the data encryption part in the module is used for encrypting the acquired effective data to convert a plaintext into a ciphertext; after the legal data is successfully generated, the system packs the data according to a specified data packet format, a data signature part in a data encryption and decryption module is used for signing the packed data packet in the packing process, and the signed content comprises the encrypted data and the fixed head of the data packet and other data packet format data; and after the data message is packaged, storing the data message into a cache of a local data access point to wait for a data request of a data requester.
The invention has the advantages that:
through the uplink processing of the power service material information, the data going up to the main chain are all stored on the blocks of the block chain after being screened from the chain; the cross-chain query of the material data is simpler, the main chain data is more concise, and the reliable trust and the responsibility-following effect of the data are ensured due to the characteristics of the block chain, such as non-falsification, high credibility, traceability, easiness in responsibility-following and the like. On the other hand, the secondary chain data are formatted and unified through the intelligent contract of the block chain, and the key information is uploaded to the main chain, so that the main chain node only sees the needed data when inquiring, and other junk irrelevant data can be hidden. Some useless information is inquired, the main chain inquiry efficiency is not consumed, and only the inquiry task is handed to the slave chain responsible node for operation. Therefore, the efficiency of inquiring the associated information and the data association management level are improved, and the detail inquiring efficiency is not influenced. In conclusion, the time cost of material data management of the main chain is reduced, and the efficiency and the data reliability of the specific query from the chain are improved.
Drawings
FIG. 1 is a block flow diagram of the present invention.
FIG. 2 is a flow chart of data sharing according to the present invention.
FIG. 3 is a block diagram of an information uplink data model and a storage structure according to the present invention.
Detailed Description
Referring to fig. 1 to 3, the present embodiment first provides a block chain-based power service material information storage system.
The system comprises a main chain and a slave chain which form a block chain; the blockchain is a federation chain. The slave chain comprises N slave link points, and the slave link points are used for storing main data of the electric power service material information. The main chain comprises M main chain nodes, and the main chain nodes are used for storing the associated information data of the data in the slave chain.
And through the credibility characteristic of the application block chain, the complex multilevel data of the material is distributed to the slave chain management, and the main chain is only responsible for receiving and authenticating the associated information part of the slave chain data. (of course, more than two-level relationships, and multiple-level relationships are possible). For example: the material contract order is stored on the main chain, but the details such as the related outsourcing information, the self-construction information, the contract flow information and the like are stored on each slave chain, when the slave chain changes, the main related information is transmitted to the main chain, and the change result and the change record are stored after the verification. The information related to the contract can be directly seen during the main chain query, and the tracing can be carried out to ensure the reliability. (examples are not limited to two levels, multiple levels of processing and nesting may be performed).
The slave link point comprises a data source server which is used for generating original data of the power service material information and linking the data after block chain authentication. The system also comprises a data processing model and a data publishing module which are generally arranged in the data source server. The data processing model is used for processing the raw data generated by the data source server into the formalized data with consistent structure. The data publishing module is used for receiving the formalized data from the data conversion module, judging whether the data is the associated information data needing to be published to the main chain or not, and marking the data if the data needs to be published to the main chain; if not, not operating; when the data publishing module judges that the data is needed, the data is encrypted and signed, then the data is packaged into a block form, and the block form is broadcasted to a slave chain; if not, the data is signed and broadcast to the main chain network, and the building blocks are identified and stored.
The chain type framework of the block chain stores data by using a classified static account book mode, wherein the classified static account book comprises an asset account book, a contract account book, an application account book and a log account book; the data storage adopts a dynamic storage technology, and the contract owner and the application owner can be dynamically updated and upgraded.
Based on the above power service material information storage system, the present embodiment further provides a power service material information storage method based on the block chain.
The method comprises the following steps:
1) processing the power service material information into formal data with consistent structure and then linking the data;
2) the slave chain of the block chain packs the related important information and sends the packed important information to the main chain for storage, and the whole uploading process is recorded;
3) basic information of the power service material information is queried through the main chain, and the main chain node requires querying of detailed information from the chain.
In the step 1), the step (A) is carried out,
the formation process of the formalized data comprises the following steps: 1) defining a data conversion rule; 2) unifying the data model; 3) and converting the power service material information into formal data with consistent structure according to the model, wherein the structure of the formal data comprises identification, type, signer and timestamp. Specifically, the data formats are respectively defined as:
| identification | A unique identification of the data, typically a hash value, can be guaranteed. |
| Type (B) | When the operation is performed, one or more data types of the operation are defined |
| Signer | Set of signers signing data while operating |
| Time stamp | Positive integers, calculated from 1970 years of time, with an accuracy of milliseconds, and increasing positive sequences. |
In the step 2), the step (c) is carried out,
in a block, each data record contains 3 elements: public key, data digest and block volume data. The public key is used for confirming the identity and the access authority of the data production equipment; the data abstraction is to perform hash calculation on the data, is used for verifying the integrity of the data and is used as a data index; the block data stores descriptive information such as data types and generation time stamps, so that data can be conveniently inquired in a master-slave chain according to types, and the data searching speed is improved.
The concrete process of winding up is as follows: 1) integrating and processing the material information data of the electric power service by the data source server, recording related information necessary for chaining, initiating a login request to the block chain after the processing is finished, and sending related identity information; 2) after the block link receives the identity information of the data source and the login request, calling an intelligent contract to verify the identity information of the data source, returning a login result after confirming the identity of the data source and informing a data source server of successful login; 3) after the data source server finishes logging in, uploading data record uplink information to the block chain; after the block link receives the information to be linked on the data records, the intelligent contract allocation identification is called according to the related information such as the data record types, the content, the sources and the like, and finally the identification and the information to be linked on the data records are stored to the block link network together.
Based on the characteristics of master-slave chain block data synchronization, fast synchronization of data between a main chain and a slave chain is supported, a communication protocol is optimized, a slave chain synchronization mode taking the main chain as a core or a slave chain synchronization mode taking the slave chain as a core is supported, and cross-domain data sharing is supported, wherein the sharing logic is shown in fig. 2. The data sender encrypts data by using the public key of the data receiver to generate a data ciphertext, and ensures that other nodes can not decrypt the encrypted data except the receiver with the private key, so that the safety of the data in the transmission process is ensured; meanwhile, the data is calculated through a hash function to obtain an abstract of the data, and a private key of a sender is used for carrying out digital signature on the abstract. The data sender sends the data ciphertext and the digital signature to the receiver, the receiver decrypts the digital signature by using a public key of the data sender after receiving the data ciphertext and the digital signature to obtain a data abstract, and the identity of the data sender is verified; and simultaneously, decrypting the data ciphertext by using a private key of the user to obtain original data, calculating the abstract of the data through a hash function, and quickly verifying the integrity of the data by comparing the two abstracts. And if the verification is passed, the whole block data is synchronized.
The data access point identification is required to be registered through a system before the data uplink is released; the data access point identification is divided into a first-level identification and a multi-level identification; the first-level identification is from a block chain, the terminal acquires the block number and the transaction serial number of the block chain where the information is located by issuing identification configuration information to a public block chain, and a unique data access point identification which cannot be tampered is distributed to the terminal according to the unique non-tampered characteristic of the block on the block chain; the multi-level identification is that the service data sharing equipment is used as a server, a private chain is established among server nodes, the private chain is used for bearing a second-level or lower-level identification, and the ubiquitous service data sharing equipment of a certain local area network acquires the second-level or lower-level identification under the corresponding first-level identification by registering the identification on the private chain;
after the data access identification is successfully acquired, a user inputs data in various forms into the system through an IO interface facing the user, the system calls a data encryption and decryption module after acquiring the data, and the data encryption part in the module is used for encrypting the acquired effective data to convert a plaintext into a ciphertext; after the legal data is successfully generated, the system packs the data according to a specified data packet format, a data signature part in a data encryption and decryption module is used for signing the packed data packet in the packing process, and the signed content comprises the encrypted data and the fixed head of the data packet and other data packet format data; and after the data message is packaged, storing the data message into a cache of a local data access point to wait for a data request of a data requester.
Further, the information uplink data model and the storage structure are shown in FIG. 3. The data uplink service module registers information to uplink by adopting an information uplink data model. The uplink data model is used for defining all uplink data in the business process as a material asset, defining a field index according to the property characteristics of the material asset, and representing the position of the asset on the block chain by a block chain address. The first node is a supervision node and is used for maintaining a main chain, and the main chain records the full account book data; the second node is a child node and is used for maintaining a slave chain, the slave chain records part of book data, and the first node monitors the second node. The cochain model is divided into three layers: the system comprises a data model layer, a data cache layer and a block link account block layer. The data model layer can be divided into four data models which are interdependent: the system comprises a material asset account data model, a material registration data model, a material supply and demand data model and a material allocation and transfer data model. The cache data layer is used for defining indexes for the assets and setting a cache database (the endorsement and verification stage of the uplink and the verification stage of the data on the link need to pass through the cache database). The block link account block layer is used for storing account book file data.
In the step 3), the step (c),
in the aspect of data storage, a master-slave chain type framework completes data storage by using a classified static account book + dynamic storage technology, wherein the classified static account book divides an account book on a chain into different types such as an asset account book, a contract account book, an application account book and a log account book, and supports contract owners and application owners to be dynamically updated and upgraded. The dynamic storage technology introduces a data caching technology and provides a fast and efficient data access method. The data dynamic storage module needs to acquire first-level identification registration information from a far-end synchronization block chain in a remote procedure call mode in an initialization stage, initialize an FIB table by utilizing the information, fill the relation between a data access identification and an access address, synchronize second-level identification corresponding information from a private chain by a ubiquitous service trusted access communication terminal with a second-level analysis function, cache the acquired second-level identification configuration information into a CS table, and simultaneously extract useful information to fill the FIB table, thereby laying a foundation for forwarding the interest packet.
The application effect is as follows:
on the one hand, through the data uplink processing mode, after the material data is processed, the data going to the main chain is all stored on the block of the block chain after being screened from the chain. Therefore, the cross-chain query of the material data is simpler, the main chain data is more concise, and the reliable trust and the responsibility following effect of the data are ensured due to the characteristics of non-falsification, high credibility, traceability, easiness in responsibility following and the like of the block chain.
On the other hand, the secondary chain data are formatted and unified through the intelligent contract of the block chain, and the key information is uploaded to the main chain, so that the main chain node only sees the needed data when inquiring, and other junk irrelevant data can be hidden. Certainly, if some useless information is not required to be queried, indirect query can be performed through the intermediate node, the main chain query efficiency is not consumed, and only the query task is handed over to the slave chain responsible node for operation. Therefore, the efficiency of inquiring the associated information and the data association management level are improved, and the detail inquiring efficiency is not influenced.
Claims (10)
1. A power service material information storage system based on a block chain is characterized in that:
comprises a main chain and a slave chain which form a block chain;
the slave chain comprises N slave chain link points, and the slave chain link points are used for storing main data of the power service material information;
the main chain comprises M main chain nodes, and the main chain nodes are used for storing the associated information data of the data in the slave chain.
2. The electric power service material information storage system according to claim 1, characterized in that:
the slave link point comprises a data source server which is used for generating original data of the power service material information and linking the data after block chain authentication.
3. The electric power service material information storage system according to claim 2, characterized in that:
a data processing model is also included for processing raw data generated by the data source server into structurally consistent, formalized data.
4. The electric power service material information storage system according to claim 3, wherein:
the data publishing module is used for receiving the formalized data from the data conversion module, judging whether the data is the associated information data needing to be published to the main chain or not, and marking the data if the data needs to be published to the main chain; if not, not operating; when the data publishing module judges that the data is needed, the data is encrypted and signed, then the data is packaged into a block form, and the block form is broadcasted to a slave chain; if not, the data is signed and broadcast to the main chain network, and the building blocks are identified and stored.
5. The electric power service material information storage system according to claim 1, characterized in that:
the chain type framework of the block chain stores data by using a classified static account book mode, wherein the classified static account book comprises an asset account book, a contract account book, an application account book and a log account book; the data storage adopts a dynamic storage technology, and the contract owner and the application owner can be dynamically updated and upgraded.
6. A block chain-based power service material information storage method is characterized by comprising the following steps:
1) processing the power service material information into formal data with consistent structure and then linking the data;
2) the slave chain of the block chain packs the related important information and sends the packed important information to the main chain for storage, and the whole uploading process is recorded;
3) basic information of the power service material information is queried through the main chain, and the main chain node may request detailed information to be queried from the chain.
7. The electric power service material information storage method according to claim 6,
the formation process of the formalized data comprises the following steps: 1) defining a data conversion rule; 2) unifying the data model; 3) converting the power service material information into formal data with consistent structure according to the model, wherein the structure of the formal data comprises an identifier, a type, a signer and a timestamp;
in the blocks after the formalized data chaining, each data record comprises three elements of a public key, a data abstract and block body data; the public key is used for confirming the identity and the access authority of the data production equipment; the data abstraction is to perform hash calculation on the data, is used for verifying the integrity of the data and is used as a data index; the chunk data stores descriptive information to query data by category in the master-slave chain.
8. The power service material information storage method according to claim 6, wherein the uplink process comprises:
1) integrating and processing the material information data of the electric power service by the data source server, recording related information necessary for chaining, initiating a login request to the block chain after the processing is finished, and sending related identity information;
2) after the block link receives the identity information of the data source and the login request, calling an intelligent contract to verify the identity information of the data source, returning a login result after confirming the identity of the data source and informing a data source server of successful login;
3) after the data source server finishes logging in, uploading data record uplink information to the block chain; after the block link receives the information to be linked on the data records, the intelligent contract allocation identification is called according to the related information such as the data record types, the content, the sources and the like, and finally the identification and the information to be linked on the data records are stored to the block link network together.
9. The electric power service material information storage method according to claim 8, characterized in that:
the data access point identification is required to be registered through a system before the data uplink is released; the data access point identification is divided into a first-level identification and a multi-level identification; the first-level identification is from a block chain, the terminal acquires the block number and the transaction serial number of the block chain where the information is located by issuing identification configuration information to a public block chain, and a unique data access point identification which cannot be tampered is distributed to the terminal according to the unique non-tampered characteristic of the block on the block chain; the multi-level identification is that the service data sharing equipment is used as a server, a private chain is established among server nodes, the private chain is used for bearing a second-level or lower-level identification, and the ubiquitous service data sharing equipment of a certain local area network acquires the second-level or lower-level identification under the corresponding first-level identification by registering the identification on the private chain;
after the data access identification is successfully acquired, a user inputs data in various forms into the system, the system calls a data encryption and decryption module after acquiring the data, and the data encryption part in the module is used for encrypting the acquired effective data to convert a plaintext into a ciphertext; after the legal data is successfully generated, the system packs the data according to a specified data packet format, a data signature part in a data encryption and decryption module is used for signing the packed data packet in the packing process, and the signed content comprises the encrypted data and the fixed head of the data packet and other data packet format data; and after the data message is packaged, storing the data message into a cache of a local data access point to wait for a data request of a data requester.
10. The electric power service material information storage method according to claim 6, characterized in that:
the block chain stores data by using a classified static account book mode, wherein the classified static account book comprises an asset account book, a contract account book, an application account book and a log account book; the data storage adopts a dynamic storage technology, and the contract owner and the application owner can be dynamically updated and upgraded.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112988901A (en) * | 2021-04-06 | 2021-06-18 | 湖北央中巨石信息技术有限公司 | Evidence-storing data chaining method based on block chain |
| CN113434909A (en) * | 2021-06-25 | 2021-09-24 | 湖北央中巨石信息技术有限公司 | Data on-demand evidence storing method based on block chain |
| CN115052009A (en) * | 2022-06-17 | 2022-09-13 | 吉林大学 | Network function virtualization data protection method and system based on double-chain block chain |
| CN115422262A (en) * | 2022-10-31 | 2022-12-02 | 国网浙江省电力有限公司金华供电公司 | Full-link material acquisition and supply data processing method and system based on block chain intelligent contract |
| CN116842029A (en) * | 2023-09-01 | 2023-10-03 | 天津理工大学 | Asset management method, device, computer equipment and storage medium |
| CN116884556A (en) * | 2023-09-07 | 2023-10-13 | 徐州医科大学 | Medical data safety sharing platform based on inline block chain |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112988901A (en) * | 2021-04-06 | 2021-06-18 | 湖北央中巨石信息技术有限公司 | Evidence-storing data chaining method based on block chain |
| CN113434909A (en) * | 2021-06-25 | 2021-09-24 | 湖北央中巨石信息技术有限公司 | Data on-demand evidence storing method based on block chain |
| CN113434909B (en) * | 2021-06-25 | 2023-12-29 | 湖北央中巨石信息技术有限公司 | Data on-demand evidence-storing method based on blockchain |
| CN115052009A (en) * | 2022-06-17 | 2022-09-13 | 吉林大学 | Network function virtualization data protection method and system based on double-chain block chain |
| CN115052009B (en) * | 2022-06-17 | 2023-04-07 | 吉林大学 | Network function virtualization data protection method and system based on double-chain block chain |
| CN115422262A (en) * | 2022-10-31 | 2022-12-02 | 国网浙江省电力有限公司金华供电公司 | Full-link material acquisition and supply data processing method and system based on block chain intelligent contract |
| CN115422262B (en) * | 2022-10-31 | 2023-01-24 | 国网浙江省电力有限公司金华供电公司 | Full-link material acquisition and supply data processing method and system based on block chain intelligent contract |
| CN116842029A (en) * | 2023-09-01 | 2023-10-03 | 天津理工大学 | Asset management method, device, computer equipment and storage medium |
| CN116842029B (en) * | 2023-09-01 | 2023-11-17 | 天津理工大学 | Asset management method, device, computer equipment and storage medium |
| CN116884556A (en) * | 2023-09-07 | 2023-10-13 | 徐州医科大学 | Medical data safety sharing platform based on inline block chain |
| CN116884556B (en) * | 2023-09-07 | 2024-01-12 | 苏州慧睿康智能科技有限公司 | Medical data safety sharing platform based on inline block chain |
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