CN116546041A - System and method for storing online data based on block chain - Google Patents
System and method for storing online data based on block chain Download PDFInfo
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- CN116546041A CN116546041A CN202310605217.4A CN202310605217A CN116546041A CN 116546041 A CN116546041 A CN 116546041A CN 202310605217 A CN202310605217 A CN 202310605217A CN 116546041 A CN116546041 A CN 116546041A
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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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- 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
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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
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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
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Abstract
The invention discloses an online data storage system and method based on a blockchain, and relates to the field of blockchains. The main chain agent node judges whether the available storage space is smaller than a set threshold value, if so, the block data of the main chain is transferred to a side chain, and the storage space of the main chain agent node is released. The system comprises a main chain and a side chain, wherein the main chain and the side chain carry out data transmission through a side chain protocol, and the main chain and the side chain are composed of full nodes and light nodes; the threshold value of the storage space of the main chain agent node can be adjusted according to the number of online data requests and the peak value of single data capacity, so that the necessity and rationality of block data transfer are ensured.
Description
Technical Field
The invention relates to the technical field of blockchains, in particular to an online data storage system and method based on a blockchain.
Background
The block chain has the characteristics of decentralization, openness, independence, safety and anonymity, integrates computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like, and has the advantages that all nodes in the block chain need to store data of all blocks, and when the number of the blocks is increased, the available storage space of all the nodes is gradually reduced, so that all the nodes cannot normally operate. When a full node processes an online data request, a situation that a plurality of data requests need to be processed and a large capacity data request is encountered at the same time, which also makes a requirement on the available storage space of the full node.
Disclosure of Invention
The present invention is directed to an online data storage system and method based on blockchain to solve the above-mentioned problems in the background art.
An online data storage system based on a blockchain includes a main chain and a side chain; the main chain comprises a main chain full node and a main chain light node, and the side chain comprises a side chain full node and a side chain light node; the main chain and the side chain carry out data transmission through a side chain protocol; the main chain all-node stores all main chain block data, and the side chain all-node stores all side chain block data; the main chain light nodes only store main chain block data related to themselves, and the side chain light nodes only store side chain block data related to themselves.
The main chain agent node judges whether the available capacity is smaller than a set threshold value:
if the block number is smaller than the block number of the main chain agent node, the main chain agent node records the block numbers of all blocks between the starting block and the ending block to be transferred;
the main chain agent node sends the data of all blocks to the side chain agent node;
the side chain agent node performs consensus verification on all block data;
after the main chain agent node detects that the data of all blocks pass through the consensus verification of the side chain agent node, the main chain agent node broadcasts the information for transferring the data of all blocks to the whole main chain node;
the nodes corresponding to the main chain delete the data of all the blocks according to broadcasting;
if the data is larger than the block data, the main chain agent node continues to store the block data.
The agent nodes of the main chain and the side chain are determined by all coin holding nodes of the main chain and the side chain, and when the main chain agent node receives a request for inquiring data, the agent nodes of the side chain request for acquiring block data; the side chain agent node sends the block data to the main chain agent node; the main chain agent node stores the block data on the node corresponding to the main chain according to the serial number of the block data on the main chain; and the main chain agent node acquires the hash value of the ending block and stores the hash value into the block head of the newly generated block.
All nodes of the main chain and the side chain store all block data, while the light nodes only store block data related to the light nodes, so that the price of running the full nodes is high, a user can autonomously select to be the full nodes or the light nodes, the light nodes need to depend on other full nodes when running, and the light nodes can be the full nodes by downloading the complete latest full block data; all nodes with electronic money have voting rights to the proxy nodes, but only all nodes can participate in the election of the proxy nodes; the agent node is mainly responsible for verifying the legitimacy of the newly generated block and synchronizing the newly generated block, verifying the legitimacy of the blockchain network transaction, and broadcasting the verified new block and transaction information to the full blockchain node.
An online data storage method based on a block chain comprises the following steps:
s6-1, the main chain agent node judges whether the available storage space is smaller than a set threshold value or not; if the number is smaller than the preset number, S6-2 is entered, and if the number is larger than the preset number, S6-7 is entered;
s6-2, the main chain agent node records the block numbers of all blocks between the starting block and the ending block;
s6-3, the main chain agent node transmits the data of all blocks to the side chain agent node;
s6-4, the side chain agent node performs consensus verification on all the block data;
s6-5, after the main chain agent node detects that the data of all the blocks pass through the consensus verification of the side chain agent node, the main chain agent node broadcasts the information for transferring the data of all the blocks to the whole main chain node;
s6-6, deleting the data of all the blocks by the nodes corresponding to the main chain according to broadcasting;
s6-7, the main chain agent node continues to store new block data.
The threshold of the backbone agent node is obtained by:
s7-1, establishing a cyclic neural network model according to the historical total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity, and predicting the future total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity;
s7-2, subtracting the sum of the predicted online data capacity and the storage space required by the normal operation of the main chain agent node from the residual storage space of all the main chain agent nodes, wherein the obtained minimum value is the threshold value of the main chain agent node;
s7-3, after the main chain agent node transmits block data to the side chain agent node, repeating the steps S7-1 and S7-2 to generate a new threshold value.
The memory space required for normal operation of the backbone agent node is obtained by:
s8-1, step-by-step increasing the number of data requests by taking 1 as a step length;
s8-2, starting from 1 data request with the capacity of 1G, enabling the main chain agent node to process the data request, repeating the step S8-1 until the performance of the main chain agent node starts to be reduced, and recording the data request data and the data capacity at the moment;
s8-3, increasing the data capacity by 1G, repeating the step S8-2 until the performance of the main chain agent node begins to be reduced, and recording the data request data and the data capacity at the moment;
s8-4, repeating the step S8-3 until the number of data requests is 1, and the performance of the main chain agent node starts to be reduced;
s8-5, making the recorded number of the data requests and the data capacity into a table, and determining the storage space required by the normal operation of the main chain agent node by combining the predicted peak value of the number of times of data requests on the line and the peak value of the single-time data capacity.
The method uses one rather than three cyclic neural network models to predict three variables simultaneously, and is in a multi-input and three-output form; inputting the total capacity of the data on the line, the peak value of the data request times on the line and the single data capacity which are the historic k times, and outputting the total capacity of the data on the line, the peak value of the data request times on the line and the single data capacity which are the next 1 time; the circulating neural network model adopts a PredRNN++ model and is used for solving the deep time dilemma problem of time sequence prediction.
When a user sends a request for querying data to a main chain proxy node, if the data is transferred to a side chain, the querying comprises the following steps:
s9-1, when the main chain agent node receives a request for inquiring data, the main chain agent node requests the side chain agent node to acquire block data;
s9-2, the side chain agent node transmits block data to the main chain agent node;
s9-3, the main chain agent node stores block data on the node corresponding to the main chain according to the serial number of the block data on the main chain;
if the data is not transferred to the side chains, the user can directly obtain the required data from the corresponding light node or any full node.
The side chain agent node sending block data to the main chain agent node includes:
s10-1, the side chain agent node converts the number of the block on the main chain into the number on the side chain through an intelligent contract according to a request sent by the main chain agent node;
s10-2, the side chain agent node takes out the corresponding block according to the serial number of the block on the side chain;
s10-3, the side chain agent node transmits block data to the main chain agent node.
Compared with the prior art, the invention has the following beneficial effects: the available storage space of the main chain agent node is monitored in real time, when the available storage space is lower than a threshold value, the main chain transfers block data to a side chain through a side chain protocol, the storage space of the main chain agent node is released in real time, and the normal operation of the main chain agent node is ensured; the threshold storage space of the main chain agent node can be adjusted according to the number of online data requests and the peak value of single data capacity, so that the necessity and rationality of block data transfer are ensured.
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The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a flow chart of a blockchain-based online data storage method in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of determining the memory space required for normal operation of a backbone agent node in accordance with an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a block chain data management framework, which comprises a data layer, a network layer, a consensus layer and a contract layer; the data layer stores data in a chain block; the network layer comprises a data transmission mechanism and a data verification mechanism, which are used for synchronizing and verifying block data among different nodes; the consensus layer stores a consensus algorithm, and the consensus algorithm in the embodiment of the invention adopts a share authorization proving mechanism DPoS; the contract layer includes intelligent contracts, script code, and management regimes.
In an embodiment of the present invention, a blockchain is composed of a plurality of blocks, each block being composed of a block header and a block body; storing the hash value of the block, the hash value of the last block, the version number, the timestamp, the calculation difficulty and the Nonce value in the block header; the blocks are sequentially connected through hash values stored in the block heads to form a block chain; the zone block is used for storing an operation data record format, a Merkle tree mechanism and a record encryption mechanism.
The online data storage system based on the blockchain comprises a main chain and a side chain, wherein the main chain and the side chain carry out data transmission through a side chain protocol; the main chain comprises a main chain full node and a main chain light node, and the side chain comprises a side chain full node and a side chain light node; all main chain block data are stored in the main chain full nodes, and all side chain block data are stored in the side chain full nodes; the main chain light node only stores main chain block data related to the main chain light node, and the side chain light node only stores side chain block data related to the main chain light node; the main chain light nodes are connected with the main chain full nodes, and the side chain light nodes are connected with the side chain full nodes; when the light node runs, other full nodes are needed to be relied on, and the light node can be changed into the full node by downloading complete latest block chain data; nodes in the main chain or the side chains adopt a point-to-point P2P communication mode, and proxy nodes of the main chain and proxy nodes of the side chains are communicated with each other.
All nodes with electronic money, including light nodes and full nodes, have voting rights for the election of the agent nodes, but only the full nodes can participate in the election of the agent nodes.
FIG. 1 is a flowchart of a blockchain-based online data storage method in accordance with an embodiment of the present invention, including the steps of:
s6-1, the main chain agent node judges whether the available storage space is smaller than a set threshold value or not; if the number is smaller than the preset number, S6-2 is entered, and if the number is larger than the preset number, S6-7 is entered;
s6-2, the main chain agent node records the block numbers of all blocks between the starting block and the ending block;
s6-3, the main chain agent node transmits the data of all the blocks to the side chain agent node;
s6-4, the side chain agent node performs consensus verification on all the block data;
s6-5, after the main chain agent node detects that the data of all the blocks pass through the consensus verification of the side chain agent node, the main chain agent node broadcasts the information for transferring the data of all the blocks to the whole main chain node;
s6-6, deleting the data of all the blocks by the nodes corresponding to the main chain according to broadcasting;
s6-7, the main chain agent node continues to store new block data.
In the embodiment of the invention, after the block data sent by the chain agent node to the side chain agent node passes the consensus verification of the side chain agent node, the side chain agent node sends the information passing the consensus verification to the main chain agent node, and after the main chain agent node receives the information passing the consensus verification, the information of the transferred block data is broadcast on the whole main chain, and the whole node and the corresponding light node on the main chain delete the transferred block data; the main chain agent node releases the storage space of the main chain agent node through transferring block data, so that the main chain agent node can be ensured to normally operate.
When the main chain agent node transfers block data to the side chain agent node, the main chain agent node acquires a hash value of an ending block, and stores the hash value into a block header of a block newly generated by the main chain; the side chain agent node executes a smart contract that converts the number of transfer blocks on the backbone to the number on the side chain, storing transfer block data on the full nodes and corresponding light nodes of the side chain.
The threshold of the backbone agent node is obtained by:
s7-1, establishing a cyclic neural network model according to the historical total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity, and predicting the future total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity;
s7-2, subtracting the sum of the predicted online data capacity and the storage space required by the normal operation of the main chain agent node from the residual storage space of all the main chain agent nodes, wherein the obtained minimum value is the threshold value of the main chain agent node;
s7-3, after the main chain agent node transmits block data to the side chain agent node, repeating the steps S7-1 and S7-2 to generate a new threshold value.
FIG. 2 is a flow chart of determining the memory space required for normal operation of a backbone agent node, according to an embodiment of the invention, comprising:
s8-1, step-by-step increasing the number of data requests by taking 1 as a step length;
s8-2, starting from 1 data request with the capacity of 1G, enabling the main chain agent node to process the data request, repeating the step S8-1 until the performance of the main chain agent node starts to be reduced, and recording the data request data and the data capacity at the moment;
s8-3, increasing the data capacity by 1G, repeating the step S8-2 until the performance of the main chain agent node begins to be reduced, and recording the data request data and the data capacity at the moment;
s8-4, repeating the step S8-3 until the number of data requests is 1, and the performance of the main chain agent node starts to be reduced;
s8-5, making the recorded number of the data requests and the data capacity into a table, and determining the storage space required by the normal operation of the main chain agent node by combining the predicted peak value of the number of times of data requests on the line and the peak value of the single-time data capacity.
The method uses one rather than three cyclic neural network models to predict three variables simultaneously, and is in a multi-input and three-output form; inputting the data of the total capacity of the data on the line, the peak value of the data request times on the line and the single data capacity of the data on the line, which are the historic k times, and outputting the data of the total capacity of the data on the line, the peak value of the data request times on the line and the single data capacity of the data on the line, which are the next 1 times; the circulating neural network model adopts a PredRNN++ model and is used for solving the deep time dilemma problem of time sequence prediction.
The user sends out a data query request through the full node or the light node of the main chain, and if the data is not transferred from the main chain to the side chain, the user can directly obtain the data from the full node or the corresponding light node; if the data is transferred from the main chain to the side chain, the main chain proxy node sends a request for acquiring the block data to the side chain proxy node, the side chain proxy node executes an intelligent contract to convert the number of the block on the main chain into the number on the side chain, the side chain proxy node sends the block data with the corresponding number to the main chain proxy node, and the main chain proxy node stores the received block data on the node corresponding to the main chain for the user to inquire.
It should be noted that, in the present disclosure, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An online data storage system based on a blockchain, wherein the blockchain includes a main chain and a side chain; the main chain comprises a main chain full node and a main chain light node, and the side chain comprises a side chain full node and a side chain light node; the main chain and the side chain carry out data transmission through a side chain protocol; the main chain all-node stores all main chain block data, and the side chain all-node stores all side chain block data; the main chain light nodes only store main chain block data related to themselves, and the side chain light nodes only store side chain block data related to themselves.
2. The blockchain-based online data storage system of claim 1, wherein the backbone agent node determines whether its available capacity is less than a set threshold;
if the block number is smaller than the block number of the main chain agent node, the main chain agent node records the block numbers of all blocks between the starting block and the ending block to be transferred;
the main chain agent node sends the data of all blocks to the side chain agent node;
the side chain agent node performs consensus verification on all block data;
after the main chain agent node detects that the data of all blocks pass through the consensus verification of the side chain agent node, the main chain agent node broadcasts the information for transferring the data of all blocks to the whole main chain node;
the nodes corresponding to the main chain delete the data of all the blocks according to broadcasting;
if the data is larger than the first threshold, the block data is stored continuously.
3. The blockchain-based online data storage system of claim 1, wherein the proxy nodes of the backbone and the side chains are determined by all of the coinage nodes of the backbone and the side chains.
4. The blockchain-based online data storage system of claim 1, wherein when the main chain agent node receives a request for querying data, the main chain agent node requests the side chain agent node to acquire the blockdata; the side chain agent node sends the block data to the main chain agent node; and the main chain agent node stores the block data on the node corresponding to the main chain according to the hash value of the block data.
5. The blockchain-based online data storage system of claim 2, wherein the backbone agent node obtains the number of the ending block and stores the hash value in a block header of the newly generated block.
6. An online data storage method based on a block chain is characterized by comprising the following steps:
s6-1, the main chain agent node judges whether the available storage space is smaller than a set threshold value or not; if the number is smaller than the preset number, S6-2 is entered, and if the number is larger than the preset number, S6-7 is entered;
s6-2, the main chain agent node records the block numbers of all blocks between the starting block and the ending block;
s6-3, the main chain agent node transmits data of all blocks to the side chain agent node;
s6-4, the side chain agent node performs consensus verification on all block data;
s6-5, after the main chain agent node detects that the data of all blocks pass through the consensus verification of the side chain agent node, the main chain agent node broadcasts the information for transferring the data of all blocks to the whole main chain node;
s6-6, deleting the data of all the blocks by the nodes corresponding to the main chain according to broadcasting;
s6-7, the main chain agent node continues to store new block data.
7. The blockchain-based online data storage method of claim 6, wherein the threshold of the backbone agent node is obtained by:
s7-1, establishing a cyclic neural network model according to the historical total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity, and predicting the future total capacity of the online data, the peak value of the online data request times and the peak value of the single data capacity;
s7-2, subtracting the sum of the predicted online data capacity and the storage space required by the normal operation of the main chain agent node from the residual storage space of all the main chain agent nodes, wherein the obtained minimum value is the threshold value of the main chain agent node;
s7-3, after the main chain agent node transmits block data to the side chain agent node, repeating the steps S7-1 and S7-2 to generate a new threshold value.
8. The blockchain-based online data storage method of claim 7, wherein the storage space required for normal operation of the main chain agent node is obtained by:
s8-1, step-by-step increasing the number of data requests by taking 1 as a step length;
s8-2, starting from 1 data request with the capacity of 1G, enabling the main chain agent node to process the data request, repeating the step S8-1 until the performance of the main chain agent node starts to be reduced, and recording the data request data and the data capacity at the moment;
s8-3, increasing the data capacity by 1G, repeating the step S8-2 until the performance of the main chain agent node begins to be reduced, and recording the data request data and the data capacity at the moment;
s8-4, repeating the step S8-3 until the number of data requests is 1, and the performance of the main chain agent node starts to be reduced;
s8-5, making the recorded number of the data requests and the data capacity into a table, and determining the storage space required by the normal operation of the main chain agent node by combining the predicted peak value of the number of times of data requests on the line and the peak value of the single-time data capacity.
9. The blockchain-based online data storage method of claim 6, wherein querying the data includes the steps of:
s9-1, when the main chain agent node receives a request for inquiring data, the main chain agent node requests the side chain agent node to acquire block data;
s9-2, the side chain agent node transmits block data to the main chain agent node;
s9-3, the main chain agent node stores the block data on the node corresponding to the main chain according to the serial number of the block data on the main chain.
10. The blockchain-based online data storage method of claim 8, wherein the side chain agent node transmitting the blockdata to the main chain agent node includes the steps of:
s10-1, the side chain agent node converts the number of the block on the main chain into the number on the side chain through an intelligent contract according to a request sent by the main chain agent node;
s10-2, the side chain agent node takes out the corresponding block according to the serial number of the block on the side chain;
s10-3, the side chain agent node transmits block data to the main chain agent node.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117422542A (en) * | 2023-10-31 | 2024-01-19 | 苏银凯基消费金融有限公司 | System and method for storing and verifying consumption financial business based on blockchain technology |
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| CN117422542A (en) * | 2023-10-31 | 2024-01-19 | 苏银凯基消费金融有限公司 | System and method for storing and verifying consumption financial business based on blockchain technology |
| CN117422542B (en) * | 2023-10-31 | 2024-05-28 | 苏银凯基消费金融有限公司 | System and method for storing and verifying consumption financial business based on blockchain technology |
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