CN116957592B - Method for generating digital collection based on blockchain - Google Patents
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- CN116957592B CN116957592B CN202311213337.6A CN202311213337A CN116957592B CN 116957592 B CN116957592 B CN 116957592B CN 202311213337 A CN202311213337 A CN 202311213337A CN 116957592 B CN116957592 B CN 116957592B
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- 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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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a method for generating digital collection based on block chain, which comprises the following steps: the method comprises the steps of S1, generating identifiers through a hash encryption algorithm, S2, dividing a blockchain main chain S into a plurality of sub chains, S3, respectively setting maximum thresholds on the sub chains, S4, acquiring execution conditions of transactions on the two sub chains through an information sharing mechanism between the sub chains and the main chain, distributing the main chain to the sub chains with small transaction quantity, S5, after the main chain distributes the transactions to the sub chains successfully, packing and transmitting transaction data of the distributed sub chains to the main chain through an intelligent contract, S6, when the main chain is in communication interruption, transmitting the packed data to a standby node of the sub chain through the intelligent contract.
Description
Technical Field
The invention relates to the technical field of blockchains, in particular to a method for generating digital collection based on a blockchain.
Background
Servers in a blockchain system are called nodes that provide storage space, computational support for the entire blockchain system. If the information in the blockchain is to be modified, it is necessary to sign consent of more than half of the nodes and modify the information in all the nodes, which are usually held in different subject hands, so it is an extremely difficult thing to tamper with the information in the blockchain.
The digital collection refers to the use of blockchain technology to display precious resources such as cultural artwork, historical relics, natural heritage and the like in a digital form, and can be presented in the forms of pictures, audio, video, text and the like.
The current block chain generation method has various advantages and disadvantages, wherein the digital stock generation method based on the main chain stores data and transaction records of the digital stock on the main chain and binds the data and transaction records with intelligent contracts, so that uniqueness and non-tamper property are ensured, the method is relatively simple, easier to maintain and high in safety, but the capacity and throughput of the main chain are limited, the requirement of mass generation of the digital stock is not met, and the quantity and the generation speed are limited when the digital stock is cast in a mass.
Therefore, there is a need to provide a new method for generating digital collections based on blockchain.
Disclosure of Invention
The invention provides a method for generating digital collections based on a blockchain, which aims to improve the processing speed and performance of the main chain and improve the throughput of the main chain, and aims to solve the technical problems that the capacity and throughput of the main chain of the existing blockchain are limited, the requirement of generating digital collections in a large scale is not met, and the quantity and speed of the digital collections can be limited when the digital collections are cast in a large scale. The main chain is divided into a plurality of sub-chains, and the sub-chains are distributed to the plurality of sub-chains to process the transaction or the data according to the contract of the intelligent contract, so that when a large number of digital collections exist for storage or transaction, the sub-chains can independently generate the transaction or the data, and the response speed and the processing efficiency of the transaction are improved. And secondly, if the main chain is interrupted in communication or protocol service is stopped, the main chain cannot continue to execute operation, but transaction or data can be acquired from the sub-chain, and meanwhile, the risks of data transmission loss and slow transaction speed can be avoided, so that quick generation of digital stock is completed.
The method for generating the digital collection based on the blockchain provided by the invention comprises the following steps:
s1, encrypting data of a digital stock through a hash encryption algorithm and generating a unique identifier so as to identify and manage different sub-chains of a block chain;
s2, dividing a block chain main chain S into a plurality of sub-chains according to a consensus mechanism of a alliance chain network, and respectively creating backup nodes on the plurality of sub-chains;
s3, based on the step S2, respectively setting the maximum threshold value for generating the number of the digital collection transactions on a plurality of sub-chains;
s4, assuming that two sub-chains send transaction requests to a main chain S at the same time, acquiring execution conditions of transactions on the two sub-chains through an information sharing mechanism between the sub-chains and the main chain, and distributing transaction contents to one sub-chain with small transaction quantity by the main chain according to the acquired execution conditions, wherein the transaction requests sent by the sub-chains comprise data of digital collection in the step S1;
s5, after the main chain successfully distributes the transaction to the sub-chain, and the transaction number of the distributed sub-chain just reaches a preset maximum threshold, the transaction data of the distributed sub-chain is stored and sent to the main chain through intelligent contract packaging, and at the moment, the transaction number on the distributed sub-chain is continuously accumulated from 0 until the next time reaches the preset maximum threshold, and then the same operation is carried out;
and S6, when the main chain is interrupted in communication and can not receive the transaction, the intelligent contract can distribute the transaction execution according to the execution conditions of a plurality of sub-chains, the transaction execution logic after the distribution is successful is the same as that in the step S5, if the current transaction is executed on one of the sub-chains, and the transaction quantity of the sub-chains reaches the preset maximum threshold, the sub-chains can not send data to the main chain, at the moment, the packed data is sent to the standby node of the sub-chains through the intelligent contract, once the main chain resumes operation, the standby node sends the data to the main chain, and normal transmission of the transaction data is ensured.
Further, in the step S1, hash processing is performed on the data of the digital stock through a hash encryption algorithm to obtain a hash value corresponding to the data of the digital stock, an identifier is confirmed according to the hash value, and then each piece of data in the digital stock is identified by the identifier.
Further, binary conversion is carried out on the data of the digital collection to obtain original binary data, n-bit filling data are added at the tail end of the original binary data to obtain complementary binary data, the complementary binary data are divided into multiple groups of sub binary data of bits in an average mode, and hash operation processing is carried out on each group of sub binary data in sequence to generate hash values.
Further, the data transmission step of confirming the digital collection by the hash value is as follows:
obtaining a hash value N of hash operation of nth data and a hash value N-1 of hash operation of nth-1 data, and combining the hash value N with the hash value N-1 to generate a hash value X;
transmitting the nth data and the (n-1) th data to the sub-chain simultaneously;
the sub-link receives the nth data and the (n-1) th data, and then carries out hash operation on the data to generate hash values respectivelyAnd hash value->Let hash value +.>And hash value->Generating hash value by combining>Hash value X and hash value +.>And comparing, if the data transmission is the same, determining that the data transmission is not abnormal, storing the hash value of the Nth data, and otherwise, determining that the data transmission is abnormal.
Further, the backup node of the sub-chain is configured with a query interface provided by the main chain, and the query interface is used for querying the corresponding relation between each sub-chain and the transaction information.
Further, the data of the digital collection in the step S1 includes collection content, creator, creation time, issuer, collection size, format, and copyright information.
Compared with the related art, the method for generating the digital collection based on the blockchain has the following beneficial effects:
1. the invention provides a method for generating digital surcharge in a blockchain, which divides a main chain into a plurality of sub chains, stores and manages data and transactions of the digital surcharge on the sub chains according to intelligent combination, reduces the burden of the main chain, improves the throughput of the main chain, and ensures the efficiency and the reliability of the generation of the digital surcharge so as to ensure the long-term development and the sustainability of the digital surcharge.
2. When the main chain is interrupted in communication and transaction cannot be received, the packaged data are sent to the standby node of the sub-chain through the intelligent contract, and once the main chain resumes operation, the standby node sends the data to the main chain again, so that normal transmission of transaction data is ensured.
Drawings
FIG. 1 is a block flow diagram of a method for generating digital collections based on blockchain provided by the present invention;
FIG. 2 is a block diagram of a process flow of success and failure of a digital collection data transaction provided by the invention;
fig. 3 is a flow chart of generating a hash value by a hash encryption algorithm according to the present invention.
Description of the embodiments
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a flow chart of a method for generating a digital collection based on a blockchain according to the present invention; FIG. 2 is a block diagram of a process flow of success and failure of a digital collection data transaction provided by the invention; fig. 3 is a flow chart of generating a hash value by a hash encryption algorithm according to the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, procedures, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, procedures, steps, operations, elements, components, and/or groups thereof.
Example 1
In a specific implementation process, as shown in fig. 1-3, the method for generating the digital collection based on the blockchain includes the following steps:
s1, encrypting data of a digital stock through a hash encryption algorithm and generating a unique identifier so as to identify and manage the data on different sub-chains of a blockchain, wherein the data of the digital stock comprises stock content, an creator, creation time, an issuer, stock size, format and copyright information, a hash function used in the hash encryption algorithm can be one of MD4, MD5 or SHS, and the stock content is displayed in a picture form or a 3D form or a combination of the two forms;
s2, dividing a block chain main chain S into a sub-chain A and a sub-chain B according to a consensus mechanism of a alliance chain network, and respectively creating a backup node a and a backup node B on the sub-chain A and the sub-chain B;
s3, based on the step S2, respectively setting the maximum threshold 10 for generating the number of the digital collection transactions on the two sub-chains;
s4, assuming that a sub-chain A and a sub-chain B send transaction requests to a main chain S at the same time, acquiring the execution conditions of transactions on the sub-chain A and the sub-chain B through an information sharing mechanism between the sub-chain and the main chain, and distributing transaction contents to one sub-chain with small transaction quantity according to the acquired execution conditions by the main chain, and assuming that the transaction is immediately distributed to the sub-chain A by judging that the transaction quantity of the sub-chain A is smaller than the transaction quantity of the sub-chain B, wherein the transaction request sent by the sub-chain comprises data of digital collection in the step S1;
s5, after the main chain successfully distributes the transaction to the sub-chain, and the transaction number of the distributed sub-chain A just reaches a preset maximum threshold 10, sealing and storing the transaction data of the distributed sub-chain A and transmitting the transaction data to the main chain through intelligent contract packaging, continuously accumulating the transaction number of the distributed sub-chain A from 0 at the moment, and ensuring that the sequence cannot be changed until the transaction number reaches the preset maximum threshold 10 next time, and then performing the same operation;
s6, when the main chain S fails to receive the transaction due to communication interruption, the intelligent closing date distributes the transaction according to the execution conditions of the sub-chain A and the sub-chain B, the transaction execution logic after the successful distribution is the same as that of the step S5, the current transaction is assumed to be executed on the chain B, when the transaction quantity reaches the maximum threshold 10, the sub-chain B cannot send data to the main chain S, at the moment, the packed data is sent to the sub-chain B standby node B through the intelligent contract, and once the main chain S resumes operation, the standby node B sends the data to the main chain S, so that normal transaction operation can be ensured, and normal transmission of the transaction data can be ensured;
wherein the response time of the machine processing the transactions of the digital collection of the sub-chain A and the sub-chain B is TPS500;
and S1, carrying out hash processing on the data of the digital stock through a hash encryption algorithm to obtain a hash value corresponding to the data of the digital stock, confirming an identifier according to the hash value, and identifying each piece of data in the digital stock by the identifier.
Binary conversion is carried out on the data of the digital collection, and original binary data are obtained; adding n bits of filling data at the tail of original binary data to obtain complementary binary data; the number of bits of the complementary bit binary data is an integer multiple of 512; the method comprises the steps of dividing the complementary bit binary data into a plurality of groups of 512-bit sub binary data on average, and sequentially carrying out hash operation processing on each group of sub binary data to generate hash values.
The data transmission steps for confirming the digital collection through the hash value are as follows:
obtaining a hash value N of hash operation of nth data and a hash value N-1 of hash operation of nth-1 data, and combining the hash value N with the hash value N-1 to generate a hash value X;
transmitting the nth data and the (n-1) th data to the sub-chain simultaneously;
the sub-link receives the nth data and the (n-1) th data, and then carries out hash operation on the data to generate hash values respectivelyHashValue->Let hash value +.>And hash value->Generating hash value by combining>Hash value X and hash value +.>Comparing, if the data transmission is the same, determining that the data transmission is not abnormal, storing the hash value of the Nth data, otherwise, determining that the data transmission is abnormal, and judging that the data transmission is abnormal by judging that the hash value X and the hash value +.>The data transmission safety is further improved by comparison;
wherein the above transmission method in the present embodiment should be even found or identified for some important data during transmission, such as the occurrence of loss or tampering; and some important data should be even found or identified during transmission, such as the occurrence of loss or tampering.
The backup node of the sub-chain is configured with a query interface provided by the main chain for querying the corresponding relation between each sub-chain and the transaction information.
Embodiment two:
in practice, following the same structure as detailed in embodiment one, unlike embodiment one, the following steps are included:
s1, encrypting data of a digital stock through a hash encryption algorithm and generating a unique identifier so as to identify and manage the data on different sub-chains of a blockchain, wherein the data of the digital stock comprises stock content, an creator, creation time, an issuer, stock size, format and copyright information, a hash function used in the hash encryption algorithm can be one of MD4, MD5 or SHS, and the stock content is displayed in a picture form or a 3D form or a combination of the two forms;
s2, dividing a block chain main chain S into a sub-chain A and a sub-chain B according to a consensus mechanism of a alliance chain network, and respectively creating a backup node a and a backup node B on the sub-chain A and the sub-chain B;
s3, based on the step S2, respectively setting the maximum threshold value 20 for generating the number of the digital collection transactions on the two sub-chains;
s4, assuming that a sub-chain A and a sub-chain B send transaction requests to a main chain S at the same time, acquiring the execution conditions of transactions on the sub-chain A and the sub-chain B through an information sharing mechanism between the sub-chain and the main chain, and distributing transaction contents to one sub-chain with small transaction quantity according to the acquired execution conditions by the main chain, and assuming that the transaction is immediately distributed to the sub-chain A by judging that the transaction quantity of the sub-chain A is smaller than the transaction quantity of the sub-chain B, wherein the transaction request sent by the sub-chain comprises data of digital collection in the step S1;
s5, after the main chain successfully distributes the transaction to the sub-chain, and the transaction number of the distributed sub-chain A just reaches a preset maximum threshold value 20, sealing and storing the transaction data of the distributed sub-chain A and transmitting the transaction data to the main chain through intelligent contract packaging, continuously accumulating the transaction number of the distributed sub-chain A from 0 at the moment, and ensuring that the sequence cannot be changed until the transaction number reaches the preset maximum threshold value 20 next time, and then performing the same operation;
s6, when the main chain S fails to receive the transaction due to communication interruption, the intelligent closing date distributes the transaction according to the execution conditions of the sub-chain A and the sub-chain B, the transaction execution logic after the successful distribution is the same as that of the step S5, the current transaction is assumed to be executed on the chain B, when the transaction quantity reaches the maximum threshold value 20, the sub-chain B cannot send data to the main chain S, at the moment, the packed data is sent to the sub-chain B standby node B through the intelligent contract, and once the main chain S resumes operation, the standby node B sends the data to the main chain S, so that normal transaction operation can be ensured, and normal transmission of the transaction data can be ensured;
where the response time of the machine processing the transactions of the digital collection for sub-chain a and sub-chain B is TPS500.
Embodiment III:
in practice, the same structure as detailed in embodiment one is followed, unlike embodiment one,
wherein the response time of the machine of the sub-chain A for processing the transaction of the digital collection is TPS500, and the transaction response time of the sub-chain B is TPS5000.
From the above description of embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus a general purpose hardware platform, or may be implemented by hardware. Based on such understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the related art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the method described in the respective embodiments or some parts of the embodiments.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A method for generating a digital collection based on a blockchain, comprising the steps of:
s1, encrypting data of a digital stock through a hash encryption algorithm and generating a unique identifier so as to identify and manage different sub-chains of a block chain;
the data transmission steps for confirming the digital collection through the hash value are as follows:
obtaining a hash value N of hash operation of nth data and a hash value N-1 of hash operation of nth-1 data, and combining the hash value N with the hash value N-1 to generate a hash value X;
transmitting the nth data and the (n-1) th data to the sub-chain simultaneously;
the sub-link receives the nth data and the (N-1) th data, carries out hash operation on the data, generates a hash value N1 and a hash value N2 respectively, enables the hash value N1 and the hash value N2 to be combined to generate a hash value X1, compares the hash value X with the hash value X1, determines that data transmission is not abnormal if the hash value X is the same, stores the hash value of the nth data, and determines that transmission is abnormal if the hash value X is not the same.
S2, dividing a block chain main chain S into a plurality of sub-chains according to a consensus mechanism of a alliance chain network, and respectively creating backup nodes on the plurality of sub-chains;
s3, based on the step S2, respectively setting the maximum threshold value for generating the number of the digital collection transactions on a plurality of sub-chains;
s4, assuming that two sub-chains send transaction requests to a main chain S at the same time, acquiring execution conditions of transactions on the two sub-chains through an information sharing mechanism between the sub-chains and the main chain, and distributing transaction contents to one sub-chain with small transaction quantity by the main chain according to the acquired execution conditions, wherein the transaction requests sent by the sub-chains comprise data of digital collection in the step S1;
s5, after the main chain successfully distributes the transaction to the sub-chain, and the transaction number of the distributed sub-chain just reaches a preset maximum threshold, the transaction data of the distributed sub-chain is stored and sent to the main chain through intelligent contract packaging, and at the moment, the transaction number on the distributed sub-chain is continuously accumulated from 0 until the next time reaches the preset maximum threshold, and then the same operation is carried out;
and S6, when the main chain is interrupted in communication and can not receive the transaction, the intelligent contract can distribute the transaction execution according to the execution conditions of a plurality of sub-chains, the transaction execution logic after the distribution is successful is the same as that in the step S5, if the current transaction is executed on one of the sub-chains, and the transaction quantity of the sub-chains reaches the preset maximum threshold, the sub-chains can not send data to the main chain, at the moment, the packed data is sent to the standby node of the sub-chains through the intelligent contract, once the main chain resumes operation, the standby node sends the data to the main chain, and normal transmission of the transaction data is ensured.
2. The method for generating digital stock based on blockchain as in claim 1, wherein in step S1, the data of the digital stock is hashed by a hash encryption algorithm to obtain a hash value corresponding to the data of the digital stock, and the identifier is confirmed according to the hash value, and then each piece of data in the digital stock is identified by the identifier.
3. The method for generating digital stock based on blockchain as in claim 2, wherein the data of the digital stock is binary converted to obtain original binary data, n-bit padding data is added at the end of the original binary data to obtain complementary binary data, the complementary binary data is divided into multiple groups of bits of sub binary data on average, and hash operation is performed on each group of sub binary data in sequence to generate hash values.
4. The method for generating digital collections based on blockchains according to claim 3, wherein the backup nodes of the sub-chains are configured with a query interface provided by a main chain for querying correspondence between each sub-chain and transaction information.
5. The method for generating a digital collection based on blockchain of claim 4, wherein the data of the digital collection in step S1 includes collection content, creator, creation time, issuer, collection size, format, and copyright information.
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