CN110689471A - Water resource monitoring system and method based on block chain - Google Patents

Water resource monitoring system and method based on block chain Download PDF

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Publication number
CN110689471A
CN110689471A CN201910944145.XA CN201910944145A CN110689471A CN 110689471 A CN110689471 A CN 110689471A CN 201910944145 A CN201910944145 A CN 201910944145A CN 110689471 A CN110689471 A CN 110689471A
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water resource
block
resource monitoring
sub
chain
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陈健
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Zhejiang University of Water Resources and Electric Power
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Zhejiang University of Water Resources and Electric Power
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • G06Q50/26Government or public services
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/64Protecting data integrity, e.g. using checksums, certificates or signatures

Abstract

The invention discloses a water resource monitoring system and a method based on a block chain, wherein the monitoring system comprises a main chain network and a plurality of sub-chain networks connected with the main chain network to form the block chain network, and a secondary water resource monitoring platform and a tertiary water resource monitoring platform form the sub-chain network with the secondary water resource monitoring platform and the tertiary water resource monitoring platform as nodes; the sub-chain network is added to a main chain network which takes a first-level water resource monitoring platform as a node in a node mode, and the block chain link point service permanently reserves data on a block chain through common identification with other nodes, so that effective privacy protection of water resource information is realized, and effective disclosure and partial disclosure are realized through strategy configuration of the first-level water resource monitoring platform.

Description

Water resource monitoring system and method based on block chain
Technical Field
The invention belongs to the technical field of block chains, relates to application of a block chain in the aspect of water resource monitoring, and particularly relates to a water resource monitoring system and method based on the block chain.
Background
Water is a source of life, is closely related to the life of people, and is also a basic condition, a basic support and an important guarantee for social development. Water resource informatization is the premise of realizing water conservancy modernization, and the monitoring of water resources runs through the processes of flood prevention and drought control, water resource protection, water environment protection, water conservancy planning construction, water administrative management service and the like. The water resource monitoring includes the monitoring of the water level, flow rate, water quality and the like of underground water and surface water. At present, each service system for water resource monitoring is relatively independent, the information protection, information disclosure and information sharing system of water resources are imperfect, and some departments have the problems of incomplete data, falsified data, lost data and the like, so that specific difficulties are brought to the comprehensive management and information examination of water resources.
The block chain is originally developed from the bit currency and is the underlying technology of the bit currency; the blockchain technology is considered to be the next subversive core technology after the steam engine, power, internet. If say that steam engine released people's productivity, electric power solved people's basic life demand, the internet thoroughly changed the mode of information transfer, then the blockchain as constructing the trusted machine will probably thoroughly change the mode of whole human social value transfer.
The blockchain is an integrated innovation formed by cross fusion of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm, and is essentially a distributed public ledger. Any member joining the blockchain network can check this ledger, but there is no single user that can control it. That is, in the blockchain, all users commonly maintain the same account book, and if a user needs to add information to the blockchain, all users need to approve (consensus mechanism). By adopting the modern cryptography method, the information auditing and privacy protecting strategies can be balanced, the consensus of all the users is achieved on the premise of ensuring the privacy of all the users, and all the information recorded on the block chain can not be modified. Moreover, the multi-chain and cross-chain technologies developed in the two years can connect a plurality of block chains, so that on one hand, data of each chain can be guaranteed not to be modified, on the other hand, respective privacy can be guaranteed, and on the other hand, information examination can be performed on each chain on the premise of policy permission.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a water resource monitoring system and method based on a block chain, which redesigns the water resource monitoring system to be a multi-chain system with a main chain-a sub-chain on the premise of utilizing the existing software and hardware devices as much as possible, and records the water resource monitoring information on a block chain platform, so as to realize effective privacy protection and disclosure of the water resource information of each province (city and region under direct jurisdiction) in the country.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention provides a water resource monitoring system based on a block chain, which comprises a primary water resource monitoring platform, a plurality of secondary water resource monitoring platforms, a plurality of three-level water resource monitoring platforms contained in the secondary water resource monitoring platforms, and a block chain network structure formed by a main chain network and a plurality of sub-chain networks; the secondary water resource monitoring platform and the three-level water resource monitoring platform form a sub-chain network with the secondary water resource monitoring platform and the three-level water resource monitoring platform as nodes, and all nodes of the sub-chain network maintain a sub-block chain; the sub-chain network is added to a main chain network with a first-level water resource monitoring platform as a node in a node mode, and all nodes of the main chain network maintain a main block chain; the sub-chain networks are independent of each other and do not communicate with each other.
Further, a secondary water resource monitoring platform in the sub-chain network is added to the main chain network in a node mode.
Furthermore, each block in the main block chain records a state snapshot of each sub-block chain and a state of a previous block connected with the state snapshot; each block of each sub-block chain records water resource monitoring information and the state of the previous block connected with the water resource monitoring information.
Further, a node of the sub-chain network runs a blockchain service, and the blockchain service includes the following operations: assembling the received water resource monitoring information into an updating block of a sub-block chain, storing the updating block to the node, broadcasting the updating block to other nodes in the sub-chain network and storing the updating block to realize updating of the sub-block chain, wherein the block comprises the state of the block in the sub-block chain and the state of the previous block; the node of the main chain network runs a block chain service, and the block chain service comprises the following operations: and assembling the received state of the sub-block chain into an updated block of the main block chain, storing the updated block into the node, broadcasting the updated block to other nodes in the main chain network, and storing the updated block, wherein the block comprises the state of the block in the main block chain and the state of the previous block.
Furthermore, the first-level water resource monitoring platform manages each second-level water resource monitoring platform, and comprises the management of registering, authenticating and canceling each second-level water resource monitoring platform, the running states of the main block chain and the sub-block chain are monitored in real time, the access authority is formulated according to the requirement, and the content range of the public water resource monitoring information is formulated according to the requirement.
Further, the second-level water resource monitoring platform manages the registration, authentication and cancellation of the third-level water resource monitoring platform connected with the second-level water resource monitoring platform, and records the state snapshot of each third-level water resource monitoring platform.
Further, tertiary water resource monitoring platform includes:
the monitoring terminal is used for acquiring the water resource information data to be monitored through the monitoring equipment and sending the data to the monitoring point;
the monitoring point is used for receiving the water resource information data to be monitored acquired by the monitoring terminal, processing the water resource information data to be monitored to obtain related monitoring information and sending the monitoring information to a system end;
and the system end is used for receiving the monitoring information processed by the monitoring point, storing and managing the received monitoring information, and executing block chain service operation on the received monitoring information.
Further, the system side includes: a system back end and a system front end; the system front end is in communication connection with the system rear end; the system backend comprises: the system comprises a service request processing module for processing service requests of monitoring points and a system front end, a system management module for carrying out system management, a safety and authentication module for carrying out safety and authentication on accessed users and data, a block chain module for providing regional block information inquiry and block chain service, a data analysis processing module for carrying out data processing and/or data analysis, a GIS (geographic information system) technical module for acquiring geographic position information, a remote sensing module for detecting hydrological information of water resources and a multimedia module for displaying a water resource distribution image; the system front end comprises: the system comprises an information display module for displaying water resource monitoring information, block numbers and connected node information, a report module for generating the water resource monitoring information, a block chain state monitoring module for monitoring the states of all nodes of the sub-chain network, an authority management module for managing the authority range of the nodes in the region, a user management module for managing user registration and logout, and a review module for reviewing the states of lower nodes.
Further, the monitoring terminal includes: the monitoring device is used for monitoring the state of the water resource to be processed, and the information processing module is used for processing the data information acquired by the monitoring device, the processed data information is sent to the processor by the information processing module, and the processed data information is sent to the monitoring point by the processor through the communication module.
A water resource monitoring method based on a block chain is executed according to the following steps:
s1, in each sub-chain network, assembling blocks according to the collected water resource monitoring information, and updating the sub-block chain, the step includes the following sub-steps:
s11, the third-level water resource monitoring platform collects water resource monitoring information and sends the collected water resource monitoring information to the second-level water resource monitoring platform connected with the third-level water resource monitoring platform and other third-level water resource monitoring platforms in the sub-chain network where the third-level water resource monitoring platform is located;
s12, the node of the sub-chain network runs a blockchain service, the blockchain service includes the following operations: assembling the received water resource monitoring information into an updating block of the sub-block chain, storing the updating block to the node, broadcasting the updating block to other nodes in the sub-chain network, and storing the updating block to complete updating of the sub-block chain, wherein the block comprises the state of the updating block in the sub-block chain and the state of the previous block;
s2, assembling blocks according to the status of each sub-block chain in the main chain network, and updating the main block chain, wherein the step includes the following sub-steps:
s21, the subchain network submits the latest block state of the subchain to the main chain node;
s22, the node of the main chain network runs a block chain service, and the block chain service comprises the following operations: assembling the received state information of each sub-block chain into an update block of a main block chain, storing the update block to the node, broadcasting the update block to other nodes in the main chain network, and storing the update block to complete the update of the main block chain, wherein the block comprises the state of the update block in the sub-block chain and the state of the previous block;
s3, water resource monitoring information management:
s31, in the sub-chain network, each node inquires and records the inquiry to the water resource monitoring information, the block number and the connected node on the sub-block chain through the corresponding interface;
s32, inquiring the water resource monitoring information, the block number and the connected nodes among the sub-chain networks according to the authority acquired by the primary water resource monitoring platform; that is, if the state information of other child chains is accessed, the previous management department needs to apply for the state information, and after the examination and approval are passed, the access authority is opened, and the access in the authority range can be performed between the child chain nodes; the upper management department can access the state of each node in the jurisdiction range;
and S33, the third-level water resource monitoring platform and/or the second-level water resource monitoring platform performs disclosure and audit management according to the content range of the water resource monitoring information formulated by the first-level water resource monitoring platform.
The block chain-based water resource monitoring system and method have the following beneficial effects:
1. the system comprises a main chain network and a plurality of sub-chain networks connected with the main chain network to form a block chain network, wherein a secondary water resource monitoring platform and a three-level water resource monitoring platform form the sub-chain network with the secondary water resource monitoring platform and the three-level water resource monitoring platform as nodes; the sub-chain network is added to a main chain network with a first-level water resource monitoring platform as a node in a node mode, and the block chain link point service permanently reserves data on a block chain through common identification with other nodes, so that effective privacy protection of water resource information is realized.
2. According to the invention, the sub-chain networks are mutually independent, so that the privacy of second-level water resource monitoring information and third-level water resource monitoring information is ensured.
3. The secondary water resource monitoring platform is used as a node of the sub-chain network and a node of the main chain network, so that the condition that the sub-chain cannot be tampered can be guaranteed, the data volume of the previous-stage chain cannot be too large, and the running speed of the system can be guaranteed.
4. According to the invention, the primary water resource monitoring platform manages each secondary water resource monitoring platform, and the access authority is formulated and the public content of the water resource monitoring information is formulated according to the requirements.
5. The state of the previous block is recorded in the blocks in the sub-block chain and the main block chain, so that data on the blocks are prevented from being maliciously modified.
Drawings
Fig. 1 is a schematic diagram of a multi-link network architecture according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a block chain-based water resource monitoring system according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating a county-level and city-level water resource monitoring platform according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the operation of the sub-chain network in the embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating operation of the backbone network in an embodiment of the present invention.
FIG. 6 is a schematic view of management of each stage of water resource monitoring platform in the embodiment of the present invention.
Detailed Description
The method of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments of the invention.
Example 1:
in this embodiment, regard as one-level water resource monitoring platform with national water resource monitoring platform to each province level water resource monitoring platform regards as second grade water resource monitoring platform, and further a plurality of county, city level water resource monitoring platforms who contain under each province level water resource monitoring platform regard as tertiary water resource monitoring platform.
The water resource monitoring system based on the block chain provided in this embodiment is based on a schematic diagram of a multi-chain network architecture of a main chain-sub chain as shown in fig. 1.
The block chain network architecture is composed of a main chain network and a plurality of sub-chain networks.
The backbone network comprises 1 or several backbone nodes, only one of which is depicted in fig. 1. All the main chain nodes maintain one blockchain (i.e., the master blockchain).
Each sub-chain network organization has several nodes (i.e., sub-chain nodes) belonging to itself, and the nodes collectively maintain block chains (i.e., sub-block chains) within the self organization. For clarity of illustration, only one sub-block chain is drawn within each sub-chain network, and in fact this sub-block chain is stored at each sub-chain node in the sub-chain network. Theoretically, the number of the sub-chain networks can be infinite, and parallel expansion can be performed according to requirements. In addition, at the block chain layer, the sub-chain networks do not communicate with each other, and the privacy of the sub-chain network information is guaranteed.
One or a plurality of sub-chain nodes in each sub-chain network organization are connected to the main chain node of the main chain network. Recording the latest state of each sub-block chain on a block of the main block chain, wherein each block of the main block chain records a state snapshot of each sub-block chain and the state of a previous block connected with the state snapshot; the state of each chain of sub-blocks is guaranteed to be non-tamperable. The block of each sub-block chain records the water resource monitoring information and the state of the previous block connected with the water resource monitoring information so as to ensure that the water resource monitoring information on each block is not falsifiable.
Based on the block chain network architecture, as shown in fig. 2, the embodiment redesigns a monitoring system including a national water resource monitoring platform, each provincial water resource monitoring platform and a plurality of county and city water resource monitoring platforms, and the national water resource monitoring platform manages each provincial water resource monitoring platform and is the last management department of each provincial water resource monitoring platform. Each provincial water resource monitoring platform further comprises a plurality of county and city water resource monitoring platforms which are the last level management departments of the county and city water resource monitoring platforms in the jurisdiction range of the provincial water resource monitoring platform.
As shown in fig. 2, in this embodiment, each provincial water resource monitoring platform and the contained county and city water resource monitoring platforms form a sub-chain network, each provincial water resource monitoring platform and the county and city water resource monitoring platforms contained therein serve as sub-chain nodes in the sub-chain network, and each county and city water resource monitoring platform is connected to the provincial water resource monitoring platform. The sub-chain network is added to the main chain network with the national water resource detection platform as a node in a node mode, in the embodiment, the provincial water resource monitoring platform in the sub-chain network is added to the main chain network in a node mode, the national water resource monitoring platform and each provincial water resource monitoring platform are used as main chain nodes in the main chain network, and each provincial water resource monitoring platform is connected to the national water resource monitoring platform. Therefore, each provincial water resource monitoring platform is used as a main chain node in the main chain network and a sub-chain node in the sub-chain network, so that the supervision is facilitated, and data tampering is prevented.
Each provincial water resource monitoring platform comprises a plurality of county and city water resource monitoring platforms. The provincial water resource monitoring platform manages and authenticates all levels of monitoring platforms of a local area, and forms a water resource monitoring subsystem (namely a sub-chain network) based on a block chain in the area together with the subordinate county and city water resource monitoring platforms, the provincial water resource monitoring platform and the subordinate county and city water resource monitoring platforms thereof are added into the sub-chain network as a node, the nodes simultaneously and jointly maintain the sub-block chain in the area, and the recorded water resource information on the chain is visible to members in the area, so that query and audit are facilitated. The block in the sub-block chain records the state of the previous block connected with the block (namely the hash value of the previous block), thereby ensuring that the data is not modified maliciously.
Direct communication is not carried out among the sub-chain networks, so that the privacy of water resource information among parallel areas of provinces (direct cities and regions) is guaranteed. If a certain provincial water resource monitoring platform needs to access water resource information of other provincial water resource monitoring platforms, communication can be realized from a business layer by requesting a national water resource monitoring platform to modify relevant strategies.
Each provincial water resource monitoring platform and the national water resource monitoring platform are added into the main chain network in a node form, and maintain the main block chain together, and state snapshots (used for describing the states of the sub-block chains, namely hash values of blocks of the sub-block chains) of a plurality of sub-block chains are recorded on the main block chain, so that the states of the sub-block chains are not modified. The national water resource monitoring platform is distributed with higher authority than that of each provincial water resource monitoring platform, the main work responsibility of the national water resource monitoring platform is to register, authenticate and cancel each provincial water resource monitoring platform, the running states of the main block chain and each sub-block chain are monitored in real time, the access authority is formulated according to policy, and the content range of the public water resource information can be set according to the requirement.
It should be noted that although the national water resource monitoring platform is a manager of each provincial water resource monitoring platform, from the perspective of the blockchain node, they have no subordination and are all peer nodes in the peer-to-peer network. Similarly, each provincial water resource monitoring platform and the subordinate county and city three-level water resource monitoring platforms are also peer-to-peer nodes in the peer-to-peer network.
The technical effect of the technical scheme is as follows: through the redesign of the water resource monitoring system, the water resource monitoring information is recorded on the block chain platform, the water resource monitoring platforms at all provinces are not affected by each other, and the security and the privacy of the water resource information of all regions are ensured through the centralized management of the national water resource monitoring platform, and effective disclosure and partial disclosure are realized through the strategy configuration of the national water resource monitoring platform. On one hand, the data is prevented from being tampered, on the other hand, the directional query is realized, and the audit and the supervision control are facilitated.
Example 2:
on the basis of the previous embodiment, the provincial water resource monitoring platform performs registration, authentication and cancellation management on each county and city water resource monitoring platform connected with the provincial water resource monitoring platform, and records state snapshots of each county and city water resource monitoring platform.
The technical principle of the technical scheme is as follows: the provincial water resource monitoring platform is distributed with higher authority than the county and city water resource monitoring platforms, and the county and city water resource monitoring platforms are registered, authenticated and logout managed.
The technical effect of the technical scheme is as follows: province level water resource monitoring platform carries out unified management to its subordinate county, city level water resource monitoring platform, and the node of same subchain can communicate each other between county, the city level water resource monitoring platform, and the node of different subchains can not communicate each other to guarantee the safety and the privacy of each regional water resource information.
Example 3:
on the basis of the previous embodiment, a blockchain service is run on nodes of the sub-chain network (namely, a provincial level water resource monitoring platform and a county level water resource monitoring platform and a city level water resource monitoring platform), and the blockchain service comprises the following operations: and assembling the received water resource monitoring information into an updating block of the sub-block chain, storing the updating block to the node, broadcasting the updating block to other nodes in the sub-chain network and storing the updating block to realize updating of the sub-block chain, wherein the block comprises the state of the block in the sub-block chain and the state of the previous block. The nodes of the main chain network (and the national level water resource monitoring platform and the provincial level water resource monitoring platform) run with a block chain service, and the block chain service comprises the following operations: and assembling the received state of the sub-block chain into an updated block of the main block chain, storing the updated block into the node, broadcasting the updated block to other nodes in the main chain network, and storing the updated block, wherein the block comprises the state of the block in the main block chain and the state of the previous block.
The technical principle of the technical scheme is as follows: and recording the water resource monitoring information to the sub-block chains through the block chain service, and recording the state of each sub-block chain to the main block chain. Blockchain services are mainly the individual components of the blockchain, including point-to-point networks, consensus algorithms, encryption, and intelligent contracts, among others. The main workings of the blockchain service are as follows: the data sent by each node in a block chain network within a certain period of time are assembled into a candidate block, then the candidate block is confirmed through a consensus algorithm (POW, POS or Byzantine algorithm and the like) to obtain an update block, the update block is broadcasted to other nodes, and the other nodes receive the update block and then store the update block to the local node. This update block records the hash value of the previous block, thereby ensuring that the data is not maliciously modified. The above operations of assembling data into a candidate block, determining the candidate by consensus algorithm, etc. all employ conventional means that have been disclosed in the art and will not be described in detail herein.
The technical effect of the technical scheme is as follows: the data can be effectively stored, and the data is prevented from being maliciously tampered.
Example 4:
as shown in fig. 3, the county and city water resource monitoring platform includes:
the monitoring terminal is used for acquiring the water resource information data to be monitored through the monitoring equipment and sending the data to the monitoring point;
the monitoring point is used for receiving the water resource information data to be monitored acquired by the monitoring terminal, processing the water resource information data to be monitored to obtain related monitoring information and sending the monitoring information to a system end;
and the system end is used for receiving the monitoring information processed by the monitoring point, storing and managing the received monitoring information, and executing block chain service operation on the received monitoring information.
The monitoring terminal comprises monitoring equipment, an information processing module, a processor and a communication module. The monitoring facilities are used for monitoring water resource state to be handled, the monitoring facilities include but not limited to water gauge, flowmeter, fluviograph, rain gauge and water quality meter etc. and obtain the instrument of water resource state information through the sensor, and the monitoring facilities can also be pH value monitor and chemical composition analysis appearance. The information processing module is used for processing the water resource information acquired by the monitoring equipment and converting the acquired analog signals into digital signals. The processor is used for controlling the normal operation of the node. And the processor sends the processed water resource information to the monitoring point through the communication module. The information processing module, the processor and the communication module are all conventional modules which are disclosed in the field and are not described in detail herein.
Each monitoring point may contain one or several types of monitoring devices. The monitoring equipment sends monitored data to a monitoring terminal, the monitoring terminal sends the data to monitoring points through a network, redundant data are deleted from water resource information sent from the monitoring terminal by the monitoring points, information of geographical positions and timestamps are added, then data compression and other processing are carried out to obtain water resource monitoring information, and the processed data are sent to a county and city water resource monitoring platform. The above-described functions can be obtained by conventional means already disclosed in the art and will not be described in detail herein.
The system end comprises a system back end and a system front end. And the system front end is in communication connection with the system back end.
The system backend comprises: the system comprises a service request module, a system management module, a safety and authentication module, a data analysis and processing module, a block chain module, a GIS technical module and a remote sensing and multimedia module. The service request module is used for processing service requests of the monitoring points and the system front end. The system management module is used for managing the system. The security and authentication module is used for performing security and authentication on the accessed user and data. The data analysis processing module is used for analyzing and storing the received water resource monitoring information and comprises a data processing center and a data analysis module, wherein the data processing center is used for receiving data, analyzing the received data, deleting redundancy, adding key geographic positions, timestamps and the like; the data analysis module is used for comparing the received water resource monitoring information with data of the past year or the nearly months, and giving an alarm in time for the dangerous condition. The block chain module is used for providing block chain information inquiry and block chain service, and comprises a block chain API interface and a block chain node service module, wherein the block chain API interface is used for receiving a water resource monitoring information inquiry request from a node in the region and feeding back results of inquired water resource monitoring information, block numbers, connected nodes and the like; the block chain node service module is used for performing block chain service operation, such as block generation, consensus, state update and the like, on the received water resource monitoring information. And the GIS technical module is used for acquiring the geographic position information. The remote sensing and multimedia module is used for acquiring hydrological information of water resources and displaying pictograms of water resource distribution and the like. In addition, the rear end of the system also comprises a data communication module used for realizing communication with monitoring points, provincial water resource monitoring platforms and other county and city water resource monitoring platforms in the regional subchain network. The modules are conventional modules disclosed in the field and are not described in detail herein.
The system front end comprises an information display module, a report module and a block chain state monitoring module. The information display module is used for displaying information such as water resource monitoring information, block numbers and connected nodes. The report module is used for generating the water resource monitoring information into a report meeting the set requirements. The block chain state monitoring module is used for monitoring the state of each node of the local area sub-chain network. Besides, the system also comprises modules of administrator authority management, user registration and logout, data examination and the like, and the modules are customized according to requirements. The modules are conventional modules disclosed in the field and are not described in detail herein.
The technical principle of the technical scheme is as follows: the monitoring point processes water resource information collected by various monitoring devices, then the water resource information is sent to the system back end through a network, a back end program records the information to a data processing center and simultaneously sends the information to a provincial water resource monitoring platform and other nodes in a local area sub-chain network, and a block chain link point service module permanently reserves data to a sub-block chain through block chain service operation by using common identification with the other nodes. Blockchain services are mainly the components of the blockchain, including point-to-point networks, consensus algorithms, encryption, smart contracts, etc., which are implemented by conventional means disclosed in the art and will not be described in detail herein.
The technical effect of the technical scheme is as follows: and analyzing and sorting the collected water resource monitoring information, and recording the information on the block chain platform. According to the set authority, a user inquires water resource monitoring information through a block chain API (application program interface) of a node (including a provincial water resource monitoring platform and a subordinate county and city water resource monitoring platform) in the local sub-chain network, so that effective privacy protection and tamper resistance of water resource information of each province (city and region under the jurisdiction) are realized. The safety of data transmission is guaranteed.
The provincial water resource monitoring platform is different from the county and city water resource monitoring platforms in that monitoring points and monitoring terminals are lacked, and the rest parts are the same in composition. The provincial water resource monitoring platform is used as a sub-chain node in the sub-chain network and a main chain node in the main chain network, and therefore the provincial water resource monitoring platform needs to have the function of performing block chain service on water resource monitoring information and a sub-block chain state. In addition, the provincial water resource monitoring platform is communicated with county and city water resource monitoring platforms, other provincial water resource monitoring platforms and national water resource monitoring platforms in the regional subchain network through a data communication module at the rear end of the system.
The difference of national water resource monitoring platform and county, city level water resource monitoring platform lies in lacking monitoring point and monitor terminal, and other parts constitute the same, and national water resource detection platform can also carry out the show of total water resource, dangerous red line analysis operation. The data processed by the national water resource monitoring platform is the state information of each sub-block chain, so the block chain link point service module arranged at the system rear end of the national water resource monitoring platform is used for carrying out block chain service operation on the received state information of the water sub-block chain. In addition, the national water resource monitoring platform is communicated with a provincial water resource monitoring platform in the main chain network of the region through a data communication module at the rear end of the system.
Example 5:
as shown in fig. 4-6, the present embodiment provides a method for monitoring water resources by using the block chain based water resource monitoring system given in embodiments 1-4,
the method comprises the following steps:
s1, in each sub-chain network, assembling blocks according to the collected water resource monitoring information, and updating the sub-block chain.
In a subchain network consisting of a provincial water resource monitoring platform and a county and city water resource monitoring platform subordinate to the provincial water resource monitoring platform, recording water resource monitoring information on a sub-block chain through block chain service, wherein the step comprises the following substeps:
s11, the county and city water resource monitoring platform collects water resource monitoring information and sends the collected water resource monitoring information to the provincial water resource monitoring platform connected with the county and city water resource monitoring platform and other county and city water resource monitoring platforms in the sub-chain network where the county and city water resource monitoring platform are located.
The monitoring equipment of the county and city water resource monitoring platform sends monitored data to the monitoring terminal, the monitoring terminal sends the data to monitoring points through a network, the monitoring points process water resource information sent from the monitoring terminal to obtain water resource monitoring information, and then the processed monitoring information is sent to the county and city water resource monitoring platform. After each county and city water resource monitoring platform collects monitoring data, the data analysis processing module analyzes and processes the data, information such as geographical positions and timestamps is added according to a sender of the information, then the data is analyzed and processed, unnecessary data are eliminated, water resource monitoring information without the data is stored in a local data processing center, and the water resource monitoring information is sent to the provincial water resource monitoring platform and other counties and city water resource monitoring platforms in the local regional subchain network. And the data analysis and processing module in each county and city water resource monitoring platform performs statistical analysis on the received data, such as data comparison in the past year, data statistics in each month and the like.
And S12, running block chain service on the provincial water resource monitoring platform and the county and city water resource monitoring platforms of the sub-chain network, and recording the received water resource monitoring information on the sub-block chain.
The blockchain service includes the following operations: any node in the sub-chain network assembles water resource monitoring information sent by each node in a sub-block chain within a set time period into a candidate block, then determines the candidate block through a consensus algorithm (POW, POS or Byzantine algorithm, etc.), uses the candidate block as an update block, stores the update block on the node, completes the update of the sub-block chain, broadcasts the update block to other nodes in the sub-chain network and stores the update block, wherein the update block comprises a hash value of the update block (used for representing the state of the update block) and a hash value of a previous block, and thus data is guaranteed not to be maliciously modified.
S2, in the main chain network, according to the status of each sub-block chain, assembling blocks, updating the main block chain.
In a main chain network consisting of each provincial water resource monitoring platform and a national water resource monitoring platform, the latest update block state of each sub-block chain of each sub-chain network is recorded on a main block chain through block chain service, and the method comprises the following steps:
s21, the sub-chain network submits the latest block status of each sub-block chain to the main chain network.
Here, each provincial water resource monitoring platform submits the hash value of the latest update block of the sub-block chain maintained by the provincial water resource monitoring platform to each node in the main chain network.
And S22, running block chain service by the provincial water resource monitoring platform and the national water resource monitoring platform of the main chain network, and recording the received state information of each sub-block chain to the main block chain.
The blockchain service includes the following operations: any node in the main chain network assembles the received state of the latest update block (namely the hash value of the update block) of each sub-block chain into a candidate block, then determines the candidate block through a consensus algorithm (POW, POS or Byzantine algorithm, etc.), uses the candidate block as the update block, stores the update block on the node, completes the update of the main block chain, broadcasts the update block to other nodes in the main chain network and stores the update block, and the update block comprises the hash value of the update block (used for representing the state of the update block) and the hash value of the previous block, thereby ensuring that the data is not modified maliciously.
And S3, managing the water resource monitoring information, including inquiry, disclosure, audit and the like of the water resource monitoring information.
The query of the water resource information includes the query of the water resource monitoring information in each province and the query of the water resource monitoring information between the provinces, which are respectively realized through steps S31 and S32.
S31, in the sub-chain network, each node inquires and records the inquiry to the water resource monitoring information, the block number and the connected node on the sub-block chain through the corresponding interface;
as shown in fig. 4, the county and city water resource monitoring platforms query and record the information such as water resource monitoring information, block numbers (each block in the block chain has a code, and forms a block number, and the block number gradually increases) and connected nodes on the local sub-block chain through a block chain API interface arranged at the back end of the system, so as to realize real-time monitoring of water resources.
And S32, inquiring the water resource monitoring information, the block number and the connected nodes among the sub-chain networks according to the authority acquired through the primary water resource monitoring platform.
Because in order to ensure the confidentiality of water resource monitoring information, the sub-link networks are not communicated with each other in principle, and nodes in any sub-link network cannot access sub-block chain information of other sub-link networks.
If the node information outside the region needs to be accessed, the related authority can be applied first. The authority application process is as shown in fig. 6, a user can firstly request the provincial level water resource monitoring platform to open related authorities and open a content range of the public water resource monitoring information through the county level and city level water resource monitoring platform, and then the provincial level water resource monitoring platform transmits the appeal to the national water resource monitoring platform. The national water resource monitoring platform analyzes the authority and the disclosure range submitted by the user, and if the requirement is met, the state data of the sub-block chain to be accessed can be transmitted to the provincial water resource monitoring platform and the national water resource monitoring platform from the main block chain through the block chain API (application program interface) (as shown in figure 5). And the user can inquire other provincial water resource monitoring information by obtaining the lowest common leader of the access node and the accessed node.
Through the authority setting, the national water resource monitoring platform can control the users who access the information and the range that can be accessed.
And S33, the county and city water resource monitoring platforms and/or the provincial water resource monitoring platform make the content range of the water resource monitoring information according to the national water resource monitoring platform for disclosure and audit management.
Partial water resource information is required to be disclosed by each county and city water resource monitoring platform/provincial water resource monitoring platform, or some water resource information is checked, the water resource information can be applied by the previous management department, the process is similar to the permission application process given in the previous inquiry process, and after permission of the previous management department is obtained (finally permission of the national water resource monitoring platform needs to be obtained), the content range of the water resource monitoring information which is disclosed is formulated according to the national water resource monitoring platform for disclosure and audit, so that effective disclosure and management are realized.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process and related description of the system described above may refer to the corresponding process in the foregoing method embodiments, and will not be described herein again.
It should be noted that, the system provided in the foregoing embodiment is only illustrated by dividing the functional modules, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the modules or steps in the embodiment of the present invention are further decomposed or combined, for example, the modules in the foregoing embodiment may be combined into one module, or may be further split into several sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps involved in the embodiments of the present invention are only for distinguishing the modules or steps, and are not to be construed as unduly limiting the present invention.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes and related descriptions of the storage device and the processing device described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Those of skill in the art would appreciate that the various illustrative modules, method steps, and modules described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that programs corresponding to the software modules, method steps may be located in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. To clearly illustrate this interchangeability of electronic hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The terms "primary," "secondary," and the like are used for distinguishing between similar elements and not necessarily for describing or implying a particular order or sequence.
The terms "comprises," "comprising," or any other similar term 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.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (10)

1. A water resource monitoring system based on a block chain comprises a primary water resource monitoring platform, a plurality of secondary water resource monitoring platforms and a plurality of three-level water resource monitoring platforms contained in the secondary water resource monitoring platforms, and is characterized by further comprising a block chain network structure formed by a main chain network and a plurality of sub-chain networks; the secondary water resource monitoring platform and the three-level water resource monitoring platform form a sub-chain network with the secondary water resource monitoring platform and the three-level water resource monitoring platform as nodes, and all nodes of the sub-chain network maintain a sub-block chain; the sub-chain network is added to a main chain network with a first-level water resource monitoring platform as a node in a node mode, and all nodes of the main chain network maintain a main block chain; the sub-chain networks are independent of each other and do not communicate with each other.
2. The blockchain-based water resource monitoring system of claim 1, wherein secondary water resource monitoring platforms in the child chain network join the main chain network in a nodal manner.
3. The system according to claim 1, wherein each block in the main block chain records a state snapshot of each sub-block chain and a state of a previous block connected thereto; each block of each sub-block chain records water resource monitoring information and the state of the previous block connected with the water resource monitoring information.
4. A blockchain based water resource monitoring system according to any one of claims 1 to 3 wherein a blockchain service is run by a node of the sub-chain network, the blockchain service comprising the operations of: assembling the received water resource monitoring information into an updating block of a sub-block chain, storing the updating block to the node, broadcasting the updating block to other nodes in the sub-chain network and storing the updating block to realize updating of the sub-block chain, wherein the block comprises the state of the block in the sub-block chain and the state of the previous block; the node of the main chain network runs a block chain service, and the block chain service comprises the following operations: and assembling the received state of the sub-block chain into an updated block of the main block chain, storing the updated block into the node, broadcasting the updated block to other nodes in the main chain network, and storing the updated block, wherein the block comprises the state of the block in the main block chain and the state of the previous block.
5. The block chain-based water resource monitoring system according to claim 4, wherein the primary water resource monitoring platform manages each secondary water resource monitoring platform, including the management of registration, authentication and cancellation of each secondary water resource monitoring platform, monitors the operation state of the primary block chain and the sub-block chain in real time, establishes access rights according to the needs, and establishes the content range of the public water resource monitoring information according to the needs.
6. The block chain based water resource monitoring system of claim 5, wherein the secondary water resource monitoring platform manages the registration, authentication and cancellation of the connected tertiary water resource monitoring platforms, and records the state snapshot of each tertiary water resource monitoring platform.
7. The block chain based water resource monitoring system of claim 1 wherein the tertiary water resource monitoring platform comprises:
the monitoring terminal is used for acquiring the water resource information data to be monitored through the monitoring equipment and sending the data to the monitoring point;
the monitoring point is used for receiving the water resource information data to be monitored acquired by the monitoring terminal, processing the water resource information data to be monitored to obtain related monitoring information and sending the monitoring information to a system end;
and the system end is used for receiving the monitoring information processed by the monitoring point, storing and managing the received monitoring information, and executing block chain service operation on the received monitoring information.
8. The blockchain-based water resource monitoring system of claim 7 wherein the system side includes: a system back end and a system front end; the system front end is in communication connection with the system rear end; the system backend comprises: the system comprises a service request processing module for processing service requests of monitoring points and a system front end, a system management module for carrying out system management, a safety and authentication module for carrying out safety and authentication on accessed users and data, a block chain module for providing regional block information inquiry and block chain service, a data analysis processing module for carrying out data processing and/or data analysis, a GIS (geographic information system) technical module for acquiring geographic position information, a remote sensing module for detecting hydrological information of water resources and a multimedia module for displaying a water resource distribution image; the system front end comprises: the system comprises an information display module for displaying water resource monitoring information, block numbers and connected node information, a report module for generating the water resource monitoring information, and a block chain state monitoring module for monitoring the states of all nodes of the sub-chain network.
9. The block chain based water resource monitoring system of claim 7 wherein the monitoring terminal comprises: the monitoring device is used for monitoring the state of the water resource to be processed, and the information processing module is used for processing the data information acquired by the monitoring device, the processed data information is sent to the processor by the information processing module, and the processed data information is sent to the monitoring point by the processor through the communication module.
10. A blockchain-based water resource monitoring method, characterized in that the blockchain-based water resource monitoring system according to one of claims 1 to 9 is used to perform the following steps:
s1, in each sub-chain network, assembling blocks according to the collected water resource monitoring information, and updating the sub-block chain, the step includes the following sub-steps:
s11, the third-level water resource monitoring platform collects water resource monitoring information and sends the collected water resource monitoring information to the second-level water resource monitoring platform connected with the third-level water resource monitoring platform and other third-level water resource monitoring platforms in the sub-chain network where the third-level water resource monitoring platform is located;
s12, the node of the sub-chain network runs a blockchain service, the blockchain service includes the following operations: assembling the received water resource monitoring information into an updating block of the sub-block chain, storing the updating block to the node, broadcasting the updating block to other nodes in the sub-chain network, and storing the updating block to complete updating of the sub-block chain, wherein the block comprises the state of the updating block in the sub-block chain and the state of the previous block;
s2, assembling blocks according to the status of each sub-block chain in the main chain network, and updating the main block chain, wherein the step includes the following sub-steps:
s21, the subchain network submits the latest block state of the subchain to the main chain node;
s22, the node of the main chain network runs a block chain service, and the block chain service comprises the following operations: assembling the received state information of each sub-block chain into an update block of a main block chain, storing the update block to the node, broadcasting the update block to other nodes in the main chain network, and storing the update block to complete the update of the main block chain, wherein the block comprises the state of the update block in the sub-block chain and the state of the previous block;
s3, water resource monitoring information management:
s31, in the sub-chain network, each node inquires and records the inquiry to the water resource monitoring information, the block number and the connected node on the sub-block chain through the corresponding interface;
s32, inquiring the water resource monitoring information, the block number and the connected nodes among the sub-chain networks according to the authority acquired by the primary water resource monitoring platform;
and S33, the third-level water resource monitoring platform and/or the second-level water resource monitoring platform performs disclosure and audit management according to the content range of the water resource monitoring information formulated by the first-level water resource monitoring platform.
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