CN112543236A - Data sharing method and block link point - Google Patents
Data sharing method and block link point Download PDFInfo
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- CN112543236A CN112543236A CN202011501341.9A CN202011501341A CN112543236A CN 112543236 A CN112543236 A CN 112543236A CN 202011501341 A CN202011501341 A CN 202011501341A CN 112543236 A CN112543236 A CN 112543236A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
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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
- H04L67/104—Peer-to-peer [P2P] networks
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The present disclosure provides a data sharing method and a block chain node, wherein the method includes: receiving a data acquisition request broadcast by a first node in a block chain; inquiring a block matched with the data acquisition request in a block chain account book; and acquiring an address of a second node broadcasting the block, and sending the address to the first node so that the first node establishes communication connection with the second node according to the address. The private chain established between the gateways or the routers establishes the point-to-point data transmission channel, private data or files of the user equipment can be shared, the data acquisition speed can be increased in a common cell or network, a suitable data source can be conveniently searched by a user through different nodes, and safe and convenient guarantee is provided for sharing of information and resources between the user equipment.
Description
Technical Field
The disclosure belongs to the technical field of communication, and particularly relates to a data sharing method and a block chain node.
Background
With the development of the home internet technology and the rapid popularization of intelligent terminal products, the home internet established on the new generation information technologies such as internet of things, intellectualization, cloud computing, big data and the like will have a great influence on home life, and the consumption mode in the future will also permeate from individuals to families. In such a huge home internet, resource sharing, distributed operation and storage among users are realized, a block chain technology needs to be introduced, unified decentralized application management is realized, a point-to-point network is realized, and users can enjoy the advantages of the block chain technology.
The block chain technique is a combination of a group of techniques, and since it is a distributed accounting book, the problem of reliable data transmission is solved. The distributed account book is a chained data structure formed by combining data blocks in a sequential connection mode according to a time sequence, and is cryptographically guaranteed to be not falsifiable and counterfeitable. Broadly, the blockchain technique is a completely new distributed infrastructure and computing paradigm that utilizes blockchain data structures to verify and store data, utilizes distributed node consensus algorithms to generate and update data, cryptographically secure data transmission and access, and utilizes intelligent contracts composed of automated script code to program and manipulate data. The user queries, stores, retrieves, and writes to blockchain data, each process being a track and not an elimination.
The block chain technology is applied to the fields of home Internet and Internet of things, the decentralization of home Internet equipment is realized, and a home access router is used as a node of a block to participate in a block chain network. At present, some router manufacturers research related technologies and products, and improve the capability of the router by upgrading hardware and the like, but in the prior art, secure and convenient guarantee cannot be provided for sharing information and resources between user equipment.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present disclosure provides a data sharing method and a blockchain node.
As a first aspect of the present disclosure, there is provided a data sharing method including:
receiving a data acquisition request broadcast by a first node in a block chain;
inquiring a block matched with the data acquisition request in a block chain account book;
and acquiring an address of a second node broadcasting the block, and sending the address to the first node so that the first node establishes communication connection with the second node according to the address.
Preferably, the querying a block matching the data acquisition request in a blockchain ledger includes:
acquiring a first keyword and a preset condition of information to be acquired in the data acquisition request;
searching candidate blocks matched with the first keyword in a block chain account book;
and selecting a block matched with the data acquisition request from the candidate blocks according to the preset condition.
Preferably, the querying out the candidate block matching the first keyword in the blockchain ledger includes:
and inquiring a block corresponding to the keyword consistent with the first keyword in a block chain account book as a candidate block.
Preferably, the selecting a block matching with the data acquisition request from the candidate blocks according to the preset condition includes:
and selecting a block with the largest data source range, the largest transmission speed of the corresponding node and the lowest charging rate of the corresponding node from the candidate blocks, and determining the block as the block matched with the data acquisition request.
Preferably, the method further comprises:
extracting a second keyword from the data to be shared of the second node;
and generating a new block according to the second keyword, and broadcasting the new block in a block chain.
As a second aspect of the present disclosure, there is provided a block link point, including:
the receiving module is used for receiving a data acquisition request broadcast by a first node in a block chain;
the query module is used for querying a block matched with the data acquisition request in a block chain account book;
an obtaining module, configured to obtain an address of a second node that broadcasts the block;
and the sending module is used for sending the address to the first node so that the first node establishes communication connection with the second node according to the address.
Preferably, the query module includes:
the acquisition submodule is used for acquiring a first keyword and a preset condition of information to be acquired in the data acquisition request;
the query submodule is used for querying a candidate block matched with the first keyword in a block chain account book;
and the selection submodule is used for selecting a block matched with the data acquisition request from the candidate blocks according to the preset condition.
Preferably, the query submodule is specifically configured to:
and inquiring a block corresponding to the keyword consistent with the first keyword in a block chain account book as a candidate block.
Preferably, the selection submodule is specifically configured to:
and selecting the block with the largest data source range, the largest transmission speed of the node and the lowest node charge from the candidate blocks, and determining the block as the block matched with the data acquisition request.
Preferably, the method further comprises the following steps:
the extraction module is used for extracting a second keyword from the data to be shared of the second node;
and the broadcasting module is used for generating a new block according to the second keyword and broadcasting the new block in a block chain.
In an embodiment of the present disclosure, a first node broadcasts a data acquisition request in a block chain. The method comprises the steps that nodes except a first node and a second node in a block chain receive a data acquisition request broadcasted by the first node in the block chain, a block matched with the data acquisition request is inquired through a block chain account book, the address of the second node broadcasting the block is acquired, the address is sent to the first node, the first node establishes communication connection with the second node according to the address, a data transmission channel is automatically established, and the second node shares data required by the first node to the first node, so that point-to-point transmission of the data can be achieved. The private chain established between the gateways or the routers establishes the point-to-point data transmission channel, private data or files of the user equipment can be shared, the data acquisition speed can be increased in a common cell or network, a suitable data source can be conveniently searched by a user through different nodes, and safe and convenient guarantee is provided for sharing of information and resources between the user equipment.
Drawings
Fig. 1 is a flowchart of a data sharing method according to an embodiment of the present disclosure;
FIG. 2 is an alternative implementation of step S102 in FIG. 1, provided by an embodiment of the present disclosure;
fig. 3 is another flowchart of a data sharing method according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a block chain node according to an embodiment of the present disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The problem that safe and convenient guarantee cannot be provided for sharing of information and resources between user equipment in the prior art is solved. The disclosure provides a data sharing method and a block chain node. The following detailed description is made with reference to the accompanying drawings which respectively illustrate embodiments provided by the present disclosure.
In the initial stage, a block chain, namely a private chain, is constructed. A router or gateway is a node in a blockchain. The router or the gateway is connected with the user equipment, after the user equipment is accessed to the router or the gateway, the router or the gateway marks the user equipment so that the user equipment can quickly find the position in the network, authenticates the user identification, allocates an address for the user equipment after the authentication is passed, and establishes a corresponding relation between the address and the identification of the user equipment. And a plurality of routers or gateways jointly form a block chain network to finish service transaction and data sharing among the block chain nodes.
Fig. 1 shows a flowchart of a data sharing method provided by an embodiment of the present disclosure. The data sharing method can be applied to blockchain nodes, including routers or gateways. As shown in fig. 1, the data sharing method provided in this embodiment includes the following steps.
Step S101, receiving a data acquisition request broadcasted by a first node in a block chain.
Step S102, a block matched with the data acquisition request is inquired in the block chain account book.
In step S103, the address of the second node of the broadcast block is obtained.
And step S104, sending the address to the first node so that the first node establishes communication connection with the second node according to the address.
The first node is a node that needs to acquire data shared in the blockchain. The second node is a router or gateway connected with user equipment with resource sharing and is a node for providing required data for the first node. The first node is connected with first user equipment, and the second node is connected with second user equipment. The address is an ip (Internet Protocol, Protocol for interconnection between networks) address. The gateway is a home gateway.
In the data sharing method provided by the embodiment of the present disclosure, a first node receives a data acquisition request sent by a first user equipment, and broadcasts the data acquisition request in a block chain. The method comprises the steps that nodes except a first node and a second node in a block chain receive a data acquisition request broadcasted by the first node in the block chain, a block matched with the data acquisition request is inquired through a block chain account book, the address of the second node broadcasting the block is acquired, the address is sent to the first node, the first node establishes communication connection with the second node according to the address, a data transmission channel is automatically established, the second user equipment shares data required by the first node to the first node through the second node, the first node sends the acquired data to the first user equipment, and point-to-point transmission of the data can be achieved. And after the data sharing is completed, the payment or reward operation from the first node to the second node can be realized according to a preset reward rule or payment rule. The second node and the first node can share data for free.
In the embodiment of the disclosure, a private chain is established between gateways or routers, a point-to-point data transmission channel is established, private data or files of user equipment can be shared, the data acquisition speed can be increased in a common cell or network, a suitable data source is conveniently searched by a user between different nodes, and safe and convenient guarantee is provided for sharing information and resources between user equipment.
In a preferred embodiment, in step S103, the local blockchain node may find the address of the corresponding second node by parsing the block matching the data obtaining request, or by sending an address obtaining request to the second node, the second node returns the address of the second node to the local blockchain node.
Fig. 2 illustrates an alternative implementation manner of step S102 in fig. 1 provided by an embodiment of the present disclosure.
In some embodiments, as shown in fig. 2, the querying the blockchain ledger for the block matching the data acquisition request (i.e. step S102) includes:
step S201, a first keyword and a preset condition of information to be acquired in the data acquisition request are acquired.
In step S202, candidate blocks matching the first keyword are searched in the block chain ledger.
In step S203, a block matching the data acquisition request is selected from the candidate blocks according to a preset condition.
In steps S201 to S203, the first user equipment broadcasts a data acquisition request to the block chain through the first node, where the data acquisition request carries a first keyword and a preset condition of information to be acquired corresponding to the first user equipment, performs a first screening through the first keyword, selects a candidate block, performs a second screening according to the preset condition, and selects a block matched with the data acquisition request.
In some embodiments, the querying a candidate block matching the first keyword in the blockchain ledger (i.e. step S202) includes: and inquiring the block corresponding to the keyword consistent with the first keyword in the block chain account book as a candidate block.
In this step, when the first user equipment broadcasts a data acquisition request to the blockchain through the first node, the first user equipment queries according to a first keyword of information to be acquired of the data acquisition request, and searches for a data source meeting the requirement through keyword matching. If the block corresponding to the keyword consistent with the first keyword is found in the block chain book, it indicates that the data required to be acquired by the first user equipment is matched with the keyword of the data of the block, and if the summary information is consistent, the block is determined as a candidate block. And further searching the block matched with the data acquisition request from the candidate blocks.
In some embodiments, the selecting a block matching the data acquisition request from the candidate blocks according to a preset condition (i.e., step S203) includes: and selecting the block with the largest data source range, the largest transmission speed of the corresponding node and the lowest charge of the corresponding node from the candidate blocks, and determining the block as the block matched with the data acquisition request.
In this step, the local blockchain node selects an optimal block according to a preset condition in the data acquisition request, that is, a block with the largest data source range, the largest transmission speed of the corresponding node, and the lowest charging rate of the corresponding node is selected from the candidate nodes, and is determined as a block matched with the data acquisition request, and the node corresponding to the block matched with the data acquisition request can provide data that needs to be acquired by the first user equipment.
In a preferred embodiment, an intelligent contract set by the first user equipment may be pre-deployed in the blockchain network, and the intelligent contract pre-stores the preset conditions, that is, the block with the largest data source range, the largest transmission speed of the corresponding node, and the lowest charging rate of the corresponding node needs to be found. The first node does not carry a preset condition in the data acquisition request broadcast in the block chain. The block chain node directly finds out the block matched with the data acquisition request from the candidate blocks according to an intelligent contract stored in the block chain network.
Fig. 3 shows another flowchart of a data sharing method provided by an embodiment of the present disclosure.
In some embodiments, the data sharing method further comprises:
step S301, a second keyword is extracted from the data to be shared of the second node.
Step S302, a new block is generated according to the second keyword.
In step S303, a new block is broadcasted in the block chain.
In steps S301 to S303, the second user equipment sends the data to be shared to the second node, the second node performs keyword extraction on the data to be shared, extracts a second keyword, that is, extracts summary information, the second node encrypts according to the second keyword and an identifier of the second user equipment connected to the second node according to a rule, and generates a new block, and the new block is used for querying a block matching the data acquisition request broadcast by the first node in the block chain account book by broadcasting the new block in the block chain network authentication.
Fig. 4 shows a schematic structural diagram of a blockchain node provided in an embodiment of the present disclosure. Based on the same technical concept as the embodiment corresponding to fig. 1, as shown in fig. 4, the block chain node provided by the embodiment of the present disclosure includes the following modules.
A receiving module 11, configured to receive a data acquisition request broadcast by a first node in a block chain;
the query module 12 is configured to query a block matching the data acquisition request in a block chain ledger;
an obtaining module 13, configured to obtain an address of a second node broadcasting the block;
a sending module 14, configured to send the address to the first node, so that the first node establishes a communication connection with the second node according to the address.
Preferably, the query module 12 includes:
the acquisition submodule is used for acquiring a first keyword and a preset condition of information to be acquired in the data acquisition request;
the query submodule is used for querying a candidate block matched with the first keyword in a block chain account book;
and the selection submodule is used for selecting a block matched with the data acquisition request from the candidate blocks according to the preset condition.
Preferably, the query submodule is specifically configured to:
and inquiring a block corresponding to the keyword consistent with the first keyword in a block chain account book as a candidate block.
Preferably, the selection submodule is specifically configured to:
and selecting the block with the largest data source range, the largest transmission speed of the node and the lowest node charge from the candidate blocks, and determining the block as the block matched with the data acquisition request.
Preferably, the method further comprises the following steps:
the extraction module is used for extracting a second keyword from the data to be shared of the second node;
and the broadcasting module is used for generating a new block according to the second keyword and broadcasting the new block in a block chain.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.
Claims (10)
1. A method for sharing data, comprising:
receiving a data acquisition request broadcast by a first node in a block chain;
inquiring a block matched with the data acquisition request in a block chain account book;
and acquiring an address of a second node broadcasting the block, and sending the address to the first node so that the first node establishes communication connection with the second node according to the address.
2. The data sharing method according to claim 1, wherein the querying a blockchain ledger for a block matching the data acquisition request comprises:
acquiring a first keyword and a preset condition of information to be acquired in the data acquisition request;
searching candidate blocks matched with the first keyword in a block chain account book;
and selecting a block matched with the data acquisition request from the candidate blocks according to the preset condition.
3. The data sharing method according to claim 2, wherein the querying out the candidate block matching the first keyword in the blockchain ledger includes:
and inquiring a block corresponding to the keyword consistent with the first keyword in a block chain account book as a candidate block.
4. The data sharing method according to claim 2, wherein the selecting the block matching the data obtaining request from the candidate blocks according to the predetermined condition comprises:
and selecting a block with the largest data source range, the largest transmission speed of the corresponding node and the lowest charging rate of the corresponding node from the candidate blocks, and determining the block as the block matched with the data acquisition request.
5. The data sharing method according to claim 1, wherein the method further comprises:
extracting a second keyword from the data to be shared of the second node;
and generating a new block according to the second keyword, and broadcasting the new block in a block chain.
6. A block link point, comprising:
the receiving module is used for receiving a data acquisition request broadcast by a first node in a block chain;
the query module is used for querying a block matched with the data acquisition request in a block chain account book;
an obtaining module, configured to obtain an address of a second node that broadcasts the block;
and the sending module is used for sending the address to the first node so that the first node establishes communication connection with the second node according to the address.
7. A block link point as claimed in claim 6, wherein the query module comprises:
the acquisition submodule is used for acquiring a first keyword and a preset condition of information to be acquired in the data acquisition request;
the query submodule is used for querying a candidate block matched with the first keyword in a block chain account book;
and the selection submodule is used for selecting a block matched with the data acquisition request from the candidate blocks according to the preset condition.
8. The blockchain node according to claim 7, wherein the query submodule is specifically configured to:
and inquiring a block corresponding to the keyword consistent with the first keyword in a block chain account book as a candidate block.
9. The blockchain node according to claim 7, wherein the selection submodule is specifically configured to:
and selecting the block with the largest data source range, the largest transmission speed of the node and the lowest node charge from the candidate blocks, and determining the block as the block matched with the data acquisition request.
10. A block link point as in claim 6, further comprising:
the extraction module is used for extracting a second keyword from the data to be shared of the second node;
and the broadcasting module is used for generating a new block according to the second keyword and broadcasting the new block in a block chain.
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Application publication date: 20210323 |