CN114401095B - Energy data block chain uploading system and method based on error proofing - Google Patents
Energy data block chain uploading system and method based on error proofing Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
The invention relates to an energy data blockchain uploading system and method based on error proofing, comprising a plurality of user units, blockchain side chains and a blockchain main chain; the user units are composed of intelligent electric meters and other devices, are respectively registered as block chain nodes, and can realize the function of collecting and uploading energy data to the block chain side chains; the blockchain side chain is used as a third party data center for receiving, storing and displaying the energy data of a plurality of user units and the signatures of the energy data, and after the side chain statistics calculation, the results are sent to the blockchain main chain; the blockchain backbone is used for making final records of information transmitted by the side chains. The invention can solve the problems of insufficient throughput and data credibility of the national network chain in the process of uploading the energy data to the block chain.
Description
Technical Field
The invention belongs to the technical field of block chains and energy data, relates to an energy data block chain uploading system and method, and particularly relates to an energy data block chain uploading system and method based on error proofing.
Background
Blockchains are essentially a decentralized distributed ledger database that aims to solve the transaction trust problem. The blockchain technology is a mode of ordering and verifying transactions in a distributed ledger, is a core technology with the most potential after the internet technology, and is a collector of cryptography, a distributed system, a consensus mechanism and game theory. The biggest advantage and effort of blockchain technology is "decentralization," which enables point-to-point transactions based on decentralization credits in distributed systems where network nodes do not need to trust each other. Five major features of the blockchain: decentralizing, openness, autonomy, information non-tamperability and anonymity. The alliance chain is a block chain alliance chain formed by a group of specific group members, and aims to solve the problem of data sharing among users, reduce the data use cost and break the data barriers. However, the coalition chain network which is required to be formed is huge and complex due to the large number of users of the national network, and the whole energy data is overlarge in scale, so that the throughput of the backbone of the national network is difficult to reach the practical requirement.
The traditional cross-chain data storage scheme adopts a mode of 'side chain total storage and main chain abstract storage', realizes rapid data uplink through multi-chain cooperation, and effectively improves the throughput of a system. However, such schemes rely on the trustworthiness of the side-chain nodes, and cannot guarantee that the summary of the data set stored by the main chain has the same level of security as the main chain nodes. And such schemes lack a record of data set statistics.
The patent CN202110255215.8 discloses an internet of things data management method based on blockchain and edge computation, which relates to a hierarchical mass data aggregation mechanism, a data storage method based on a distributed hash table and blockchain, and trusted data sharing. However, the data storage method in the patent adopts a combined storage mode inside and outside the blockchain, does not use fraud proof and signature, cannot guarantee the credibility of the data, and cannot solve the problem of insufficient calculation energy of the cross-chain transaction.
Fraud proof techniques are inspired by Arbitrum and optimistic summary (Marukhnenko and Khalimov 2021) core techniques, typically, statistics provided by third party data centers are displayed for 7 days as "publicity periods". During this time, any user may send a "false proof" (FP) to declare that the statistics are incorrect. The smart contract can validate the FP and the data center will be penalized if it passes. The disadvantage of this technique is that it relies on the system user to actively submit the power of the FP. The main advantage of this technique is that the data provided by the data party is considered "correct" until it has not been challenged, and the data does not need to be modified until the challenger initiates a challenge and successfully proves that the original data is problematic. Therefore, the data analysis is only carried out when the challenger is challenged without repeatedly checking the data of the whole blockchain, and the method requires less computing resources, so that the method is more suitable for an environment with limited expandability.
At present, a method for judging fraud in a transaction is simpler, for example, patent CN201911205868.4 discloses a method and a device for judging fraud in a transaction, the patent judges whether fraud exists in the transaction according to whether the position information of a transaction receiving device and the current position information of a payment party device meet a preset condition or not, the patent is shorter in transaction fraud judging time and simple to operate, the transaction experience of a user is improved, and the safety of data information is ensured without using a blockchain technology and an error proofing technology.
In summary, in the energy internet, the aggregation and sharing of energy data have many social values and economic values, and because the energy industry has long service flow, multiple participating subjects and huge data volume, the national network chain adopts the overall structure of 'one main side and multiple secondary sides', but the problems of insufficient storage capacity and calculation capacity of the blockchain still exist, the large data sharing under the participation of multiple parties also has the problems of unreliable data calculation and the like, and the introduction of the data third party data center to execute the statistical task also brings new trust problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an energy data blockchain uploading system and method based on error proofing, which can solve the problems of insufficient throughput and data credibility of a national network chain in the process of uploading energy data to the blockchain.
The invention solves the practical problems by adopting the following technical scheme:
an energy data blockchain uploading system based on error proofing comprises a plurality of user units, blockchain side chains and a blockchain main chain;
The user units are composed of intelligent electric meters and other devices, are respectively registered as block chain nodes, and can realize the function of collecting and uploading energy data to the block chain side chains;
The blockchain side chain is used as a third party data center for receiving, storing and displaying the energy data of a plurality of user units and the signatures of the energy data, and after the side chain statistics calculation, the results are sent to the blockchain main chain;
the blockchain backbone is used for making final records of information transmitted by the side chains.
Moreover, each subscriber unit i contains a pair of private key sk i for signing the energy data and public key pk i for public recording on the blockchain, public key pk i for verifying the corresponding signature.
An energy data blockchain uploading method based on error proofing comprises the following steps:
step 1, a user unit collects energy data;
Step 2, uploading energy data to a blockchain side chain for archiving, and sending statistical results of the archived and recorded data in a certain time to the blockchain main chain;
And 3, comparing the correctness of the data uploaded to the block chain main chain by using an error proofing mechanism, and further finishing the trusted uploading of the energy data.
The specific method of the step 1 is as follows:
and the intelligent ammeter collects the energy data of the user i within a period of time, and records the collected energy data as x i.
Moreover, the specific steps of the step 2 include:
(1) The subscriber unit i signs the collected energy data x i with private key sk i, signed as σ i, and uploads x i,σi to the blockchain side chain. Wherein the method comprises the steps of
(2) The block chain side chain node utilizes the public key pk i to verify x i,σi, judges whether sigma i is a legal signature of x i, considers the data to be legal if the verification is passed, and archives the record in the block chain side chain;
(3) The blockchain side chain node classifies and processes batch data recorded in files within a period of time to form a data set, calculates a statistical result s of the data set at the same time, and sends the statistical result s to the blockchain main chain, wherein
(4) Side chain node demonstrates x i,σi and corresponding timestamp
Moreover, the specific steps of the step 3 include:
(1) Before the blockchain backbone formalized record s, the smart contract establishes a 7-day "publicity period"
(2) During the exposure period, all blockchain users can ask questions that claim statistics s to be incorrect and submit statistics s' that they consider to be correct to the smart contract, while at the same time, willAnd/>The intelligent contract is transmitted in;
(3) If m '0+m′1 is not equal to s', the third party energy data center wins, and the blockchain finally determines s as a correct statistical result;
(4) If m '0+m′1 = s', then the data center checks locally the correctness of m '0 and m' 1; the data center sends b to the smart contract, indicating that m' b is wrong, and sends m b that it deems correct to the smart contract.
(5) The suspect may still objectively make m b, repeat the procedure of steps (3) - (4), which ensures that the total amount of data n per repeat is reduced by half until n=1, go to step (7)
(6) If n=1, the suspect sends the signature σ of s' to the smart contract, which verifies Vrfy pk(σi,xi) if it is, the suspect wins, otherwise the data center wins, where i is the global index of current x n,Is a signature verification function that holds if and only if σ i is x i a legal signature based on public key pk i;
(7) If the third party energy data center wins during the notification period, the blockchain finally determines s as the correct statistical result; otherwise, the smart contract will display the value s' provided by the winning suspect as a new statistic during the new notification period, thereby completing the trusted upload of energy data.
The invention has the advantages and beneficial effects that:
1. The invention aims to solve the problems of insufficient throughput and data credibility of a national network chain in the process of uploading energy data to a blockchain, realize the distributed storage of the energy data and ensure the credibility of main chain data information through technologies such as cross-chain, digital signature, error proofing, intelligent contract and the like, and establish an energy data credible uploading mechanism under the participation of multiple parties. And uploading the electricity consumption data of the region to the blockchain side chain, uploading the statistical result of the batch of data to the blockchain main chain, and establishing a 7-day publicity period. During the publicity period, the blockchain user can be used as a suspicion party to question the main chain published data statistics and provide error proof. If the intelligent contract verification error proves valid, the statistical result is confirmed to be wrong, and the user who is in question obtains a certain rewards so as to encourage the on-chain user to maintain the correctness of the data in the power grid. The whole process does not need to store the original data to the national network chain main chain, so that the throughput of the system is effectively improved, and the credible sharing of the data is ensured.
2. The invention ensures the uploading and statistics of the ultra-large-scale electricity data through a block chain crossing technology and an error proving mechanism. Because the invention only verifies the statistical result of the energy data before the main chain record of the blockchain, the reliability of the side chain nodes is not needed to be relied on, the accuracy of the statistical result of the main chain is guaranteed with high probability, the throughput of the blockchain is saved, and the reliable uploading of the energy data is realized; the time complexity of the error proofing algorithm is in a logarithmic level, and the judgment of the statistical result of a large-scale data set can be supported.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
an energy data blockchain uploading system based on error proofing comprises a plurality of user units, blockchain side chains and a blockchain main chain;
The user units are composed of intelligent electric meters and other devices, are respectively registered as block chain nodes, and can realize the function of collecting and uploading energy data to the block chain side chains;
The blockchain side chain is used as a third party data center for receiving, storing and displaying the energy data of a plurality of user units and the signatures of the energy data, and after the side chain statistics calculation, the results are sent to the blockchain main chain;
the blockchain backbone is used for making final records of information transmitted by the side chains.
In this embodiment, each subscriber unit i includes a pair of private key sk i and public key pk i, the private key sk i is used to sign the energy data, and the public key pk i is publicly recorded on the blockchain for verifying the corresponding signature.
An energy data blockchain uploading method based on error proofing, as shown in fig. 1, comprises the following steps:
step 1, a user unit collects energy data;
The specific method of the step 1 is as follows:
and the intelligent ammeter collects the energy data of the user i within a period of time, and records the collected energy data as x i.
Step 2, uploading energy data to a blockchain side chain for archiving, and sending statistical results of the archived and recorded data in a certain time to the blockchain main chain;
the specific steps of the step 2 include:
(1) The subscriber unit i signs the collected energy data x i with private key sk i, signed as σ i, and uploads x i,σi to the blockchain side chain. Wherein the method comprises the steps of
(2) The block chain side chain node utilizes the public key pk i to verify x i,σi, judges whether sigma i is a legal signature of x i, considers the data to be legal if the verification is passed, and archives the record in the block chain side chain;
(3) The blockchain side chain node classifies and processes batch data recorded in files within a period of time to form a data set, calculates a statistical result s of the data set at the same time, and sends the statistical result s to the blockchain main chain, wherein
(4) Side chain node demonstrates x i,σi and corresponding timestamp
And3, comparing the correctness of the data uploaded to the block chain main chain by using an error proofing mechanism, and further finishing the trusted uploading of the energy data.
As shown in fig. 1, the specific steps of the step 3 include:
(1) Before the blockchain backbone formalized record s, the smart contract establishes a 7-day "publicity period"
(2) During the exposure period, all blockchain users can ask questions that claim statistics s to be incorrect and submit statistics s' that they consider to be correct to the smart contract, while at the same time, willAnd/>The intelligent contract is transmitted in;
(3) If m '0+m′1 is not equal to s', the third party energy data center wins, and the blockchain finally determines s as a correct statistical result;
(4) If m '0+m′1 = s', then the data center checks locally the correctness of m '0 and m' 1; the data center sends b to the smart contract, indicating that m' b is wrong, and sends m b that it deems correct to the smart contract.
(5) The suspect may still objectively make m b, repeat the procedure of steps (3) - (4), which ensures that the total amount of data n per repeat is reduced by half until n=1, go to step (7)
(6) If n=1, the suspect sends the signature σ of s' to the smart contract, which verifies Vrfy pk(σi,xi) if it is, the suspect wins, otherwise the data center wins, where i is the global index of current x n,Is a signature verification function that holds if and only if σ i is x i a legal signature based on public key pk i;
(7) If the third party energy data center wins during the notification period, the blockchain finally determines s as the correct statistical result; otherwise, the smart contract will display the value s' provided by the winning suspect as a new statistic during the new notification period, thereby completing the trusted upload of energy data.
In this embodiment, the comparison algorithm is as follows:
It should be emphasized that the embodiments described herein are illustrative rather than limiting, and that this invention encompasses other embodiments which may be made by those skilled in the art based on the teachings herein and which fall within the scope of this invention.
Claims (3)
1. An energy data block chain uploading method based on error proofing is characterized by comprising the following steps of: the method comprises the following steps:
step 1, a user unit collects energy data;
Step 2, uploading energy data to a blockchain side chain for archiving, and sending statistical results of the archived and recorded data in a certain time to the blockchain main chain;
Step3, comparing the correctness of the data uploaded to the block chain main chain by using an error proofing mechanism, and further finishing the trusted uploading of the energy data;
The specific method of the step 1 is as follows:
The intelligent ammeter collects the energy data of the user i within a period of time, and records the collected energy data as x i;
the specific steps of the step 2 include:
(1) The user unit i signs the collected energy data x i by using a private key sk i, marks the signature as sigma i, and uploads x i,σi to a blockchain side chain; wherein the method comprises the steps of
(2) The block chain side chain node utilizes the public key pk i to verify x i,σi, judges whether sigma i is a legal signature of x i, considers the data to be legal if the verification is passed, and archives the record in the block chain side chain;
(3) The blockchain side chain node classifies and processes batch data recorded in files within a period of time to form a data set, calculates a statistical result s of the data set at the same time, and sends the statistical result s to the blockchain main chain, wherein
(4) The side chain node displays x i,σi and the corresponding timestamp;
the specific steps of the step 3 include:
(1) Before the blockchain main chain formally records s, the intelligent contract establishes a 7-day 'publicity period';
(2) During the exposure period, all blockchain users can ask questions that claim statistics s to be incorrect and submit statistics s' that they consider to be correct to the smart contract, while at the same time, will And/>The intelligent contract is transmitted in;
(3) If m '0+m'1 is not equal to s', the third party energy data center wins, and the blockchain finally determines s as a correct statistical result, and jumps to the step (7);
(4) If m '0+m'1 = s', then the data center checks locally the correctness of m '0 and m' 1; the data center sends b, b e {0,1} to the smart contract, indicating that m' b is wrong, and sends m b it considers to be correct to the smart contract;
(5) The suspect may still objectively make m b, repeat the procedure of steps (3) - (4), which ensures that the total amount of data n is reduced by half each time the repeat is made, until n=1, go to step (6);
(6) If n=1, the suspect sends the signature σ of s' to the smart contract, which verifies Vrfy pk(σi,xi) if it is, the suspect wins, otherwise the data center wins, where i is the global index of current x n, Is a signature verification function that holds if and only if σ i is x i a legal signature based on public key pk i;
(7) If the third party energy data center wins during the notification period, the blockchain finally determines s as the correct statistical result; otherwise, the smart contract will display the value s' provided by the winning suspect as a new statistic during the new notification period, thereby completing the trusted upload of energy data.
2. An energy data blockchain uploading system based on error proofing, which executes an energy data blockchain uploading method based on error proofing as in claim 1, wherein: comprising a plurality of subscriber units, blockchain side chains and a blockchain backbone;
The user units are composed of intelligent electric meters and other devices, are respectively registered as block chain nodes, and can realize the function of collecting and uploading energy data to the block chain side chains;
The blockchain side chain is used as a third party data center for receiving, storing and displaying the energy data of a plurality of user units and the signatures of the energy data, and after the side chain statistics calculation, the results are sent to the blockchain main chain;
the blockchain backbone is used for making final records of information transmitted by the side chains.
3. The error proofing-based energy data blockchain uploading system of claim 2, wherein: each subscriber unit i contains a pair of private key sk i for signing the energy data and public key pk i for verifying the corresponding signature, public key pk i for public recording on the blockchain.
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