CN112632039A - Block chain-based account book migration method, device and equipment - Google Patents
Block chain-based account book migration method, device and equipment Download PDFInfo
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- 230000005012 migration Effects 0.000 title claims abstract description 55
- 238000013508 migration Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000011218 segmentation Effects 0.000 claims description 21
- 238000004590 computer program Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
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- 238000006467 substitution reaction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
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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
- G06F16/21—Design, administration or maintenance of databases
- G06F16/214—Database migration support
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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
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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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
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/283—Multi-dimensional databases or data warehouses, e.g. MOLAP or ROLAP
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
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Abstract
The invention relates to an account book migration method, device and equipment based on a block chain, belonging to the technical field of the block chain; acquiring account book data of each block chain node in the block chain depth through an intelligent contract; segmenting the account book data of each node to obtain a plurality of corresponding historical account book data; determining structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse; and checking accounts based on the account book data and the account checking data. Through the block chain account book migration technology, historical data are stored by using a data warehouse while block chain account book data can be horizontally expanded, and block chain data isolated islands are avoided.
Description
Technical Field
The invention belongs to the technical field of block chains, and particularly relates to an account book migration method, device and equipment based on a block chain.
Background
The block chain technology has the characteristics of decentralization, distributed storage, consistent data consensus, data traceability, data difficult tampering and the like, so that the block chain technology is widely applied.
The block chain ledger is a brand-new 'block + chain' data structure which utilizes an intelligent contract to operate data. Each node of the block chain synchronizes the complete account book data, so that the data security is ensured, and the data tampering is prevented.
However, each node synchronizes the complete ledger data, so that the blockchain ledger generates a large amount of redundant data, consumes a large amount of storage resources, and the data storage capacity is limited by the upper storage limit.
Disclosure of Invention
In order to at least solve the above problems in the prior art, the present invention provides a block chain-based ledger migration method, apparatus, and device, so as to solve the technical problem of limited storage space in the prior art through ledger migration technology.
The technical scheme provided by the invention is as follows:
on one hand, the account book migration method based on the block chain comprises the following steps:
determining the block chain depth of account book migration to be performed through an intelligent contract, and acquiring account book data of each block chain node in the block chain depth;
the account book data of each node is segmented, and a plurality of corresponding historical account book data are obtained;
determining the structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse;
and performing account checking based on the account book data and the account checking data.
Optionally, the obtaining the book data of each blockchain node in the blockchain depth includes:
sending an access request transaction broadcast to the block link points based on an intelligent contract;
and acquiring the account book data of each block chain node through a consensus mechanism.
Optionally, after the reconciliation is performed based on the ledger data and the reconciliation data, the method further includes:
and if the account checking fails, acquiring the account book data of each node of the block chain through the intelligent contract again to realize the division of the account book data again and realize the account book migration based on the block chain.
Optionally, the segmenting the ledger data of each node, and acquiring a plurality of corresponding historical ledger data includes:
acquiring a segmentation depth based on the intelligent contract;
and acquiring a plurality of segmentation areas and a plurality of corresponding historical account book data according to the segmentation depth and the blocks.
Optionally, the determining the structured data of the historical account book data and migrating the structured data to a corresponding preset data warehouse include:
calculating a block chain head of the partition area;
and exporting the structured data in the on-chain data of the partition area to a preset data warehouse according to the block chain head.
Optionally, obtaining the book data of each blockchain node in the blockchain depth, and then, further includes:
generating account checking data according to the account book data;
and putting the reconciliation data to the agreed position of the reconciliation file.
Optionally, the reconciliation is performed based on the ledger data and the reconciliation data, including:
based on the reconciliation file position, reconciliation data is extracted;
and checking accounts according to the account checking data and the preset data warehouse of each node.
In another aspect, an account book migration apparatus based on a block chain includes: the system comprises a data acquisition module, a segmentation module, a migration module and a reconciliation module;
the access module is used for determining the block chain depth of the account book migration to be performed through an intelligent contract and acquiring the account book data of each block chain node in the block chain depth;
the segmentation module is used for segmenting the ledger data of each node to obtain a plurality of corresponding historical ledger data;
the migration module is used for determining the structured data of the historical account book data and migrating the structured data to a corresponding preset data warehouse;
and the account checking module is used for checking accounts based on the account book data and the account checking data.
Optionally, the access module is configured to send an access request transaction broadcast to the block link node based on an intelligent contract; and acquiring the account book data of each block chain node through a consensus mechanism.
In another aspect, an account book migration device based on a block chain includes: a processor, and a memory coupled to the processor;
the memory is configured to store a computer program configured to at least perform any one of the above block chain based ledger migration methods;
the processor is used for calling and executing the computer program in the memory.
The invention has the beneficial effects that:
the block chain-based account book migration method, device and equipment provided by the embodiment of the invention comprise the steps of determining the depth of a block chain to be subjected to account book migration; acquiring account book data of each block chain node in the block chain depth through an intelligent contract; segmenting the account book data of each node to obtain a plurality of corresponding historical account book data; determining structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse; and checking accounts based on the account book data and the account checking data. Through the block chain account book migration technology, historical data are stored by using a data warehouse while block chain account book data can be horizontally expanded, and block chain data isolated islands are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of an account book migration method based on a block chain according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an account book migration apparatus based on a block chain according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an account book migration device based on a block chain according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In order to at least solve the technical problem proposed in the present invention, an embodiment of the present invention provides a block chain-based ledger migration method.
Fig. 1 is a schematic flow diagram of an account book migration method based on a block chain according to an embodiment of the present invention, and as shown in fig. 1, the method according to the embodiment of the present invention may include the following steps:
and S11, determining the block chain depth of the account book migration to be performed through an intelligent contract, and acquiring account book data of each block chain node in the block chain depth.
In a specific implementation process, a certain block chain may be defined as the block chain of the present application, so that the block chain-based ledger migration method provided by the present application is applied to perform ledger migration.
The block chain comprises N block chain nodes, wherein N can be a natural number. In an original block chain, the account book information of the distributed account book is stored in disks, each disk has a fixed memory size, and the block chain depth of the account book to be migrated can be determined by calculating the size of the disk and the size of a preset data warehouse. For example, in the case that the size of the preset data warehouse can accommodate, the ledger data of the block chain can be migrated to the preset data warehouse as much as possible. Wherein, account book data can include: ledger record data and structured data.
In some embodiments, optionally, comprising: sending an access request transaction broadcast to the block chain nodes based on the intelligent contract; and acquiring the account book data of each block chain node through a consensus mechanism.
For example, after the depth of the blockchain to be migrated is obtained, access transaction broadcasts to all nodes can be submitted through an intelligent contract, and after the common identification passes, the uplink is carried out. And after the uplink is successful, obtaining the account book data of each node.
In some embodiments, optionally, after obtaining, by the smart contract, ledger data of each blockchain node within the blockchain depth, the method further includes: generating account checking data according to the account book data; and putting the reconciliation data to the appointed position of the reconciliation file.
For example, after successful uplink, the blockchain records the access information and the reconciliation file location information. Generating account checking data; and putting the reconciliation data to the appointed position of the reconciliation file.
And S12, segmenting the ledger data of each node, and acquiring a plurality of corresponding historical ledger data.
In some embodiments, optionally, comprising: acquiring a segmentation depth based on an intelligent contract; and acquiring a plurality of segmentation areas and a plurality of corresponding historical account book data according to the segmentation depth and the blocks.
For example, according to an intelligent contract, acquiring a segmentation depth, starting from the depth to a minimum block height, for example, when the region is segmented for the first time, the minimum block created block height is 1, calculating a block chain head Merkle (Hn-H1) of the region, and exporting data on the chain to a preset data warehouse; if the cutting data is too large, the data can be divided for multiple times, and multiple historical book data are horizontally formed.
For example, when the division depth of a certain division is 100000, 1 is cut downward at a position of 99999, which is only an example and is not a limitation.
And S13, determining the structured data of the historical book data, and migrating the structured data to a corresponding preset data warehouse.
In some embodiments, optionally, comprising: calculating a block chain head of the partition area; and exporting the structured data in the data on the chain of the partition area to a preset data warehouse according to the block chain head.
For example, structured data, such as a chain header, a hash value, and the like, may be exported to a preset data warehouse, so as to save storage space of the original ledger.
And S14, checking accounts based on the account book data and the account checking data.
In some embodiments, optionally, comprising: based on the position of the account checking file, account checking data is extracted; and checking accounts according to the account checking data and the preset data warehouse of each node.
For example, the reconciliation data is extracted at the appointed position of the reconciliation file, and the reconciliation information is calculated.
In some embodiments, optionally, after performing reconciliation based on the ledger data and the reconciliation data, the method further includes: and if the account checking fails, acquiring the account book data of each node of the block chain through the intelligent contract again to realize the division of the account book data again and realize the account book migration based on the block chain.
For example, if the reconciliation fails, the step 12 is skipped to generate the reconciliation data, and the reconciliation data is divided again.
For N nodes in the block chain, account book migration is performed according to the account book migration method provided in this embodiment, which is not described in detail in this embodiment.
The block chain-based account book migration method provided by the embodiment of the invention comprises the steps of determining the depth of a block chain to be subjected to account book migration; acquiring account book data of each block chain node in the block chain depth through an intelligent contract; segmenting the account book data of each node to obtain a plurality of corresponding historical account book data; determining structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse; and checking accounts based on the account book data and the account checking data. Through the block chain account book migration technology, historical data are stored by using a data warehouse while block chain account book data can be horizontally expanded, and block chain data isolated islands are avoided.
Based on a general inventive concept, the embodiment of the present invention further provides an account book migration apparatus based on a block chain.
Fig. 2 is a schematic structural diagram of an account book migration apparatus based on a block chain according to an embodiment of the present invention, and as shown in fig. 2, the apparatus according to the embodiment of the present invention may include the following structures: the system comprises a data acquisition module 21, a segmentation module 22, a migration module 23 and a reconciliation module 24.
The access module 21 is configured to determine, through an intelligent contract, a block chain depth to be subjected to ledger migration, and acquire ledger data of each block chain node within the block chain depth;
the segmentation module 22 is configured to segment the ledger data of each node to obtain a plurality of corresponding historical ledger data;
the migration module 23 is configured to determine structured data of the historical account book data, and migrate the structured data to a corresponding preset data warehouse;
and the reconciliation module 24 is used for reconciling based on the ledger data and the reconciliation data.
Optionally, the access module 21 is configured to send an access request transaction broadcast to the block link node based on the intelligent contract; and acquiring the account book data of each block chain node through a consensus mechanism.
Optionally, the reconciliation module 24 is further configured to, if the reconciliation fails, obtain, through the intelligent contract again, the ledger data of each node of the block chain, so as to implement the segmentation of the ledger data again, and implement ledger migration based on the block chain.
Optionally, the segmentation module 22 is configured to obtain a segmentation depth based on the intelligent contract; and acquiring a plurality of segmentation areas and a plurality of corresponding historical account book data according to the segmentation depth and the blocks.
Optionally, the reconciliation module 24 is further configured to: obtaining account book data of each block chain node in the depth of the block chain, and then generating account checking data according to the account book data; and putting the reconciliation data to the appointed position of the reconciliation file.
Optionally, the reconciliation module 24 is configured to extract reconciliation data based on the position of the reconciliation file; and checking accounts according to the account checking data and the preset data warehouse of each node.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
The block chain based account book migration device provided by the embodiment of the invention determines the depth of a block chain to be subjected to account book migration; acquiring account book data of each block chain node in the block chain depth through an intelligent contract; segmenting the account book data of each node to obtain a plurality of corresponding historical account book data; determining structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse; and checking accounts based on the account book data and the account checking data. Through the block chain account book migration technology, historical data are stored by using a data warehouse while block chain account book data can be horizontally expanded, and block chain data isolated islands are avoided.
Based on a general inventive concept, the embodiment of the present invention further provides an account book migration device based on the block chain.
Fig. 3 is a schematic structural diagram of an account book migration device based on a block chain according to an embodiment of the present invention, and as shown in fig. 3, an account book migration device based on a block chain according to an embodiment of the present invention includes: a processor 31, and a memory 32 connected to the processor.
The memory 32 is used for storing a computer program, and the computer program is used for at least the block chain-based ledger migration method described in any of the above embodiments;
the processor 31 is used to invoke and execute the computer program in the memory.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An account book migration method based on a block chain is characterized by comprising the following steps:
determining the block chain depth of account book migration to be performed through an intelligent contract, and acquiring account book data of each block chain node in the block chain depth;
the account book data of each node is segmented, and a plurality of corresponding historical account book data are obtained;
determining the structured data of the historical account book data, and migrating the structured data to a corresponding preset data warehouse;
and performing account checking based on the account book data and the account checking data.
2. The method of claim 1, wherein obtaining ledger data for each blockchain node within the blockchain depth comprises:
sending an access request transaction broadcast to the block link points based on an intelligent contract;
and acquiring the account book data of each block chain node through a consensus mechanism.
3. The method of claim 1, wherein after said reconciling based on the ledger data and reconciliation data, further comprising:
and if the account checking fails, acquiring the account book data of each node of the block chain through the intelligent contract again to realize the division of the account book data again and realize the account book migration based on the block chain.
4. The method of claim 1, wherein the segmenting the ledger data for each node to obtain a corresponding plurality of historical ledger data comprises:
acquiring a segmentation depth based on the intelligent contract;
and acquiring a plurality of segmentation areas and a plurality of corresponding historical account book data according to the segmentation depth and the blocks.
5. The method of claim 4, wherein the determining structured data of the historical ledger data, migrating the structured data to a corresponding pre-provisioned data repository, comprises:
calculating a block chain head of the partition area;
and exporting the structured data in the on-chain data of the partition area to a preset data warehouse according to the block chain head.
6. The method of claim 1, wherein obtaining ledger data for each blockchain node within the blockchain depth further comprises:
generating account checking data according to the account book data;
and putting the reconciliation data to the agreed position of the reconciliation file.
7. The method of claim 6, wherein reconciling based on the ledger data and reconciliation data comprises:
based on the reconciliation file position, reconciliation data is extracted;
and checking accounts according to the account checking data and the preset data warehouse of each node.
8. The utility model provides an account book migration device based on block chain which characterized in that includes: the system comprises a data acquisition module, a segmentation module, a migration module and a reconciliation module;
the access module is used for determining the block chain depth of the account book migration to be performed through an intelligent contract and acquiring the account book data of each block chain node in the block chain depth;
the segmentation module is used for segmenting the ledger data of each node to obtain a plurality of corresponding historical ledger data;
the migration module is used for determining the structured data of the historical account book data and migrating the structured data to a corresponding preset data warehouse;
and the account checking module is used for checking accounts based on the account book data and the account checking data.
9. The apparatus of claim 8, wherein the access module is configured to send an access request transaction broadcast to the block nodes based on a smart contract; and acquiring the account book data of each block chain node through a consensus mechanism.
10. The utility model provides an account book migration equipment based on block chain which characterized in that includes: a processor, and a memory coupled to the processor;
the memory is used for storing a computer program, and the computer program is at least used for executing the block chain-based ledger migration method of any one of claims 1-7;
the processor is used for calling and executing the computer program in the memory.
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