CN112733198A - Block chain light node data acquisition method and device - Google Patents
Block chain light node data acquisition method and device Download PDFInfo
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Abstract
The invention discloses a block chain light node data acquisition method and a device, wherein the method comprises the following steps: firstly, initializing a block chain light node to enable the block chain light node to obtain a corresponding service model; then, analyzing the service model to obtain corresponding service configuration, and installing the service configuration to the block chain light node, so that the block chain light node collects service data with specific attributes according to the service configuration; and the collected service data is packaged to obtain a service data packet, the service data packet is signed, and after the signature is completed, the service data packet is sent to a block chain network for uplink operation. Therefore, the invention enables the light nodes of the block chain to collect the service data with specific attributes through service configuration, simplifies the uplink data on the premise of ensuring that the service requirements are met, reduces the bandwidth resource occupation of the Internet of things, and reduces the requirements on the hardware performance of the equipment of the Internet of things.
Description
Technical Field
The invention relates to the technical field of Internet of things and a block chain, in particular to a block chain light node data acquisition method and device.
Background
In the development and evolution process of the Internet of things, 5 major pain points of equipment safety, individual privacy, architecture rigidity, communication compatibility and multi-subject cooperation are met. In the aspect of personal privacy, mainly a centralized management architecture cannot self-prove and clear, and the relevant time when personal privacy data is leaked happens occasionally.
The block chain has important influence on the internet of things by the characteristics of main body peer-to-peer, public transparency, safe communication, difficult tampering, multi-party consensus and the like: the characteristics of multi-center and weak-center structures can reduce the high operation and maintenance cost of a centralized structure, the characteristics of information encryption and safe communication can be beneficial to protecting privacy, identity authority management and multi-party consensus can be beneficial to identifying illegal nodes and timely preventing access and action of malicious nodes, a chain structure is beneficial to constructing a traceable electronic evidence deposit certificate, the characteristics of a distributed structure and a main body are beneficial to breaking existing multiple information islands of the Internet of things, and the transverse flow and multi-party cooperation of information are promoted.
Although the blockchain is applied to the internet of things, the internet of things devices generally have low computing power and weak networking capability, the blockchain network has high requirements on network capability, and the internet of things devices need more storage space to support as blocks grow continuously, so that a blockchain data acquisition scheme suitable for the internet of things needs to be designed.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention aims to: the block chain light node data acquisition method is provided, so that the privacy of the data of the Internet of things can be protected, and the requirement on the hardware performance of the equipment of the Internet of things can be lowered.
In order to achieve the purpose, the invention provides the following technical scheme:
a block chain light node data acquisition method comprises the following steps:
initializing a block chain light node so that the block chain light node acquires a corresponding service model;
after the service model is obtained, analyzing the service model by the block chain light node to obtain corresponding service configuration;
after the service configuration is obtained, the service configuration is installed to the block chain light node, so that the block chain light node collects service data with specific attributes according to the service configuration;
packaging the collected service data to obtain a service data packet, and signing the service data packet; and after the signature is finished, sending the service data packet to a block chain network to carry out uplink operation.
According to a specific implementation manner, in the block chain light node data acquisition method of the present invention, initializing the block chain nodes includes: sending an initialization request to a preset gateway to acquire a client ID and a block chain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address.
According to a specific implementation manner, in the block chain light node data acquisition method of the present invention, the block chain light node signs the service data packet by using a private key distributed by the block chain network.
According to a specific implementation manner, in the block chain light node data acquisition method of the present invention, after the block chain light node sends the service data packet to the block chain network, the block chain light node also performs polling on a block transaction result, and if the polling frequency exceeds a set threshold value, the block transaction result is not returned, and the service data packet is discarded.
In another aspect of the present invention, there is also provided a device for acquiring data of a blockchain light node, including:
the initialization module is used for initializing the block chain light node so that the block chain light node can obtain a corresponding service model;
the analysis module is used for analyzing the acquired service model to acquire corresponding service configuration;
a configuration installation module, configured to install the service configuration to the blockchain light node;
the acquisition module is used for acquiring the service data with specific attributes according to the service configuration;
the packaging module is used for packaging the service data acquired by the acquisition module;
the signature module is used for signing the service data packet obtained by the group packaging module;
and the uplink module is used for sending the service data packet signed by the signature module to a block chain network so as to carry out uplink operation.
According to a specific implementation manner, in the device for acquiring block chain light node data of the present invention, the initialization module is configured to send an initialization request to a preset gateway to acquire a client ID and a block chain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address.
According to a specific implementation manner, in the block chain light node data acquisition device of the present invention, the signature module is configured to sign the service data packet by using a private key distributed by the block chain network.
According to a specific implementation manner, the device for acquiring block chain light node data of the present invention further includes a polling module, configured to poll a block transaction result after the uplink module sends the service data packet to the block chain network, and if the number of polling times exceeds a set threshold value, the block transaction result is not returned, and the group packaging module is triggered to discard the service data packet.
Compared with the prior art, the invention has the beneficial effects that:
the block chain light node data acquisition method comprises the steps of initializing a block chain light node to enable the block chain light node to obtain a corresponding service model; then, analyzing the service model to obtain corresponding service configuration, and installing the service configuration to the block chain light node, so that the block chain light node collects service data with specific attributes according to the service configuration; and the collected service data is packaged to obtain a service data packet, the service data packet is signed, and after the signature is completed, the service data packet is sent to a block chain network for uplink operation. Therefore, the invention enables the light nodes of the block chain to collect the service data with specific attributes through service configuration, simplifies the uplink data on the premise of ensuring that the service requirements are met, reduces the bandwidth resource occupation of the Internet of things, and reduces the requirements on the hardware performance of the equipment of the Internet of things.
Drawings
FIG. 1 is a schematic flow chart of a data acquisition method of the present invention;
FIG. 2 is a schematic flow chart diagram illustrating one embodiment of a data collection method of the present invention;
FIG. 3 is a schematic block diagram of a data acquisition device according to the present invention;
FIG. 4 is a block diagram of an embodiment of a data acquisition device of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
As shown in fig. 1, the block chain light node data acquisition method of the present invention includes the following steps:
s1: initializing a block chain light node so that the block chain light node acquires a corresponding service model; specifically, the manner of initializing the block link points is as follows: sending an initialization request to a preset gateway to acquire a client ID and a block chain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address, wherein each blockchain light node accesses the blockchain network through the authorized client ID. In implementation, the initialization request includes the device ID of the blockchain light node, and the preset gateway determines the returned client ID and blockchain network address according to the device ID. It should be noted that the client ID in the present invention is the identifier of the SDK on the blockchain light node, and a node in the blockchain network can determine whether the blockchain light node is authorized according to the client ID.
S2: and after the block chain light node acquires the service model, analyzing the service model to acquire the corresponding service configuration. Specifically, the service model in the invention is located on the block chain network, and can be adapted to the internet of things in different service fields.
S3: after the block chain light node acquires the service configuration, the service configuration is installed to the block chain light node, so that the block chain light node collects data with specific attributes according to the service configuration; specifically, the service configuration in the present invention describes functions of a specific physical networking acquisition end, such as functions including temperature, humidity, GPS positioning, and the like, and specific conditions and ranges of the corresponding functions.
S4: and when the light node of the block chain collects data, collecting the service data with specific attributes according to the service configuration.
S5: the block chain light node packages the acquired service data; specifically, the data packing or packetization mode is determined by the data transmission protocol of the blockchain light node and the blockchain network.
S6: the block chain light node signs the service data packet; specifically, the block chain light node signs the service data packet by using a private key distributed by the block chain network; the block chain network generates a pair of public key and private key, reserves the public key, and distributes the private key to the block chain light node; the private key is then hardened in hardware on the blockchain light node.
S7: and the block chain light node sends the signed service data packet to a block chain network so as to carry out uplink operation.
Specifically, as shown in fig. 2, when the step S7 is implemented, the method further includes the following steps:
s701: the block chain light node sends the signed service data packet to a block chain network;
s702: after the block chain light node sends out the signed service data packet, whether the block chain network feeds back a block transaction result needs to be monitored, namely, after the block chain network finishes the chaining operation on the service data packet, the block chain light node returns a Hash value. If the block transaction result is received, it indicates that the uplink is successful, and if the block transaction result is not received, the block transaction result is polled, and the process proceeds to S703.
S703: and polling the block transaction result, and further judging whether the polling times exceed a set threshold value. If the polling times do not exceed the set threshold, adding one to the polling times, and jumping to S702; and if the polling times exceed a set threshold value, the block chain light node discards the service data packet.
As shown in fig. 3, in another aspect of the present invention, there is also provided an apparatus for acquiring data of a blockchain light node, where the apparatus 10 includes:
an initialization module 100, configured to initialize a blockchain light node, so that the blockchain light node obtains a corresponding service model;
the analysis module 200 is configured to analyze the obtained service model to obtain a corresponding service configuration;
a configuration installation module 300, configured to install the service configuration to the blockchain light node;
an acquisition module 400, configured to acquire data with a specific attribute according to the service configuration;
a packaging module 500, configured to package the data acquired by the acquisition module;
the signature module 600 is configured to sign the service data packet obtained by the group package module;
the uplink module 700 is configured to send the service data packet signed by the signature module to a block chain network, so as to perform uplink operation.
In the device for acquiring data of a blockchain light node, an initialization module 100 is used for sending an initialization request to a preset gateway to acquire a client ID and a blockchain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address. Moreover, the signing module 500 is configured to sign the service data packet by using a private key distributed by the blockchain network.
As shown in fig. 4, in a specific implementation, the device for acquiring blockchain light node data of the present invention further includes a polling module 800, configured to poll a blockchain transaction result after the uplink module 700 sends a service data packet to a blockchain network, and if the blockchain transaction result is not returned and the polling frequency exceeds a set threshold, trigger the group packaging module 500 to discard the service data packet.
It should be understood that the disclosed apparatus or system may be implemented in other ways. For example, the division of the modules into only one logical division may be implemented in a different manner, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the communication connection between the modules may be an indirect coupling or communication connection through some interfaces, devices or units, and may be electrical or in other forms.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Claims (8)
1. A block chain light node data acquisition method is characterized by comprising the following steps:
initializing a block chain light node so that the block chain light node acquires a corresponding service model;
after the service model is obtained, analyzing the service model by the block chain light node to obtain corresponding service configuration;
after the service configuration is obtained, the service configuration is installed to the block chain light node, so that the block chain light node collects service data with specific attributes according to the service configuration;
packaging the collected service data to obtain a service data packet, and signing the service data packet; and after the signature is finished, sending the service data packet to a block chain network to carry out uplink operation.
2. The method of claim 1, wherein initializing the blockchain node comprises: sending an initialization request to a preset gateway to obtain a client ID and a block chain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address.
3. The blockchain light node data collection method of claim 1, wherein the blockchain light node signs the service data packet with a private key distributed by the blockchain network.
4. The method as claimed in claim 1, wherein the blockchain light node further polls a blockchain transaction result after sending the service data packet to a blockchain network, and discards the service data packet if the polling frequency exceeds a set threshold value and the blockchain transaction result is not returned.
5. A blockchain light node data acquisition device, further characterized by comprising:
the initialization module is used for initializing the block chain light node so that the block chain light node can obtain a corresponding service model;
the analysis module is used for analyzing the acquired service model to acquire corresponding service configuration;
a configuration installation module, configured to install the service configuration to the blockchain light node;
the acquisition module is used for acquiring the service data with specific attributes according to the service configuration;
the packaging module is used for packaging the service data acquired by the acquisition module;
the signature module is used for signing the service data packet obtained by the group packaging module;
and the uplink module is used for sending the service data packet signed by the signature module to a block chain network so as to carry out uplink operation.
6. The blockchain light node data acquisition device according to claim 5, wherein the initialization module is configured to send an initialization request to a preset gateway to obtain the client ID and the blockchain network address returned by the preset gateway; and acquiring the service model from the blockchain network according to the client ID and the blockchain network address.
7. The blockchain light node data collection apparatus of claim 5, further characterized in that the signature module is configured to sign the service data packet using a private key distributed by the blockchain network.
8. The device of claim 5, further comprising a polling module configured to poll a block transaction result after the uplink module sends the service data packet to the blockchain network, and if the number of polling times exceeds a set threshold value and the block transaction result is not returned, trigger the group packaging module to discard the service data packet.
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