CN113760958A - Information query method, device, equipment and storage medium - Google Patents
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Abstract
The embodiment of the invention discloses an information query method, an information query device, information query equipment and a storage medium, wherein the method comprises the following steps: when an agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request; generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to a blockchain network so that blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes; and generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request. According to the method provided by the embodiment of the invention, the traceability information of the agricultural product is obtained from the block chain network, and the authenticity of the traceability information of the agricultural product is ensured by utilizing the anti-tampering characteristic of the block chain.
Description
Technical Field
The embodiment of the invention relates to the technical field of computers, in particular to an information query method, an information query device, information query equipment and a storage medium.
Background
The agricultural product traceability system is used for tracking the whole process from production to circulation of agricultural products, and comprises the processes of production, acquisition, circulation processing, distribution and the like. In the process of implementing the invention, the inventor finds that at least the following technical problems exist in the prior art: the existing agricultural product traceability system only solves the association between the identification code and the traceability information, but the authenticity of the traceability information cannot be ensured. For example, the number of steamed crabs sold on the name of Yangcheng lake steamed crabs every year can be many times of the actual production of steamed crabs in Yangcheng lake regions, bad merchants can forge related traceability information to mark commodities in non-native areas as native products for selling, and a large number of similar agricultural products in non-native areas are sold in the same famous special agricultural products in the same area in all places of the country. Therefore, the authenticity of the agricultural product traceability needs to be improved at present.
Disclosure of Invention
The embodiment of the invention provides an information query method, an information query device, information query equipment and a storage medium, and aims to improve the authenticity of agricultural product traceability.
In a first aspect, an embodiment of the present invention provides an information query method, including:
when an agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request;
generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network so that the blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes;
and generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
In a second aspect, an embodiment of the present invention further provides an information query apparatus, including:
the tracing identifier obtaining module is used for obtaining a tracing item identifier corresponding to the agricultural product tracing request when the agricultural product tracing request is detected;
the query information acquisition module is used for generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the block chain network so as to enable the block chain nodes to process the data query transaction request and receive data query information fed back by the block chain nodes;
and the response information generating module is used for generating target query information based on the data query information and taking the target query information as response information corresponding to the agricultural product traceability request.
In a third aspect, an embodiment of the present invention further provides a computer device, where the computer device includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the information query method as provided by any embodiment of the invention.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the information query method provided in any embodiment of the present invention.
According to the embodiment of the invention, when the agricultural product traceability request is detected, the traceability item identification corresponding to the agricultural product traceability request is obtained; generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network so that the blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes; target query information is generated based on the data query information, the target query information is used as response information corresponding to the agricultural product traceability request, the traceability information of the agricultural product is obtained from the block chain network, and authenticity of the agricultural product traceability information is guaranteed by means of the anti-tampering characteristic of the block chain.
Drawings
Fig. 1 is a flowchart of an information query method according to an embodiment of the present invention;
fig. 2 is a flowchart of an information query method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an agricultural product traceability system according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an information query apparatus according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a computer device according to a fifth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of an information query method according to an embodiment of the present invention. The embodiment can be applied to the situation of tracing the agricultural products. The method may be performed by an information query apparatus, which may be implemented in software and/or hardware, for example, the information query apparatus may be configured in a computer device. As shown in fig. 1, the method includes:
s110, when the agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request.
In this embodiment, the agricultural product traceability request may be a request initiated by a user and used for querying traceability information of a commodity related to an agricultural product. For example, a user may use a mobile terminal to scan a two-dimensional code on a package of a commodity to access a network address corresponding to the two-dimensional code, trigger the mobile terminal to generate a traceability request of the agricultural product, and send the traceability request of the agricultural product to an information acquisition device.
In the embodiment, the planting production process of the agricultural products is chain-stored in the block chain network, and the authenticity of the planting production process of the agricultural products is ensured by utilizing the non-tampering property of the block chain. It will be appreciated that during a production cycle, farmers typically grow fixed agricultural products on fixed plots. Optionally, a project identifier may be set for a planting/production project for planting/producing fixed agricultural products in a fixed land in a production cycle, and the planting/production information of the agricultural products in the land is recorded based on the project identifier. That is, the item identifier is used to characterize the identifier of the planting/production item to which the agricultural product belongs. The tracing item identifier is an item identifier for a user to query tracing information. Optionally, the traceable item identifier may be determined by a traceable agricultural product identifier or a traceable commodity identifier in the agricultural product traceable request.
In this embodiment, considering that the same agricultural product may be packaged into commodities of different specifications when packaged, generating a two-dimensional code for tracing based on an agricultural product identifier may cause inaccuracy of tracing information (for example, the queried commodity specification is inaccurate), and thus the two-dimensional code for tracing is generally generated based on the commodity identifier. On the basis of the above scheme, obtaining a traceability item identifier corresponding to the agricultural product traceability request includes: obtaining a tracing commodity identifier contained in the agricultural product tracing request, and determining a tracing agricultural product identifier corresponding to the agricultural product tracing request according to the tracing commodity identifier; and taking the associated item identification associated with the tracing agricultural product identification as the tracing item identification. Optionally, the agricultural product tracing request may be analyzed to obtain a tracing commodity identifier included in the agricultural product tracing request, the tracing agricultural product identifier corresponding to the tracing commodity identifier is determined according to a corresponding relationship between the tracing commodity identifier and the tracing agricultural product identifier, and then, based on an association relationship between the tracing agricultural product identifier and the tracing item identifier, the association item identifier associated with the tracing item identifier is used as the tracing item identifier.
It can be understood that the association relationship between the agricultural product identifier and the commodity identifier is established when the commodity is generated by packaging the agricultural product, and the association relationship between the agricultural product identifier and the item identifier is established when the item information is authenticated. Optionally, the association relationship between the agricultural product identifier and the commodity identifier and the association relationship between the agricultural product identifier and the project identifier may be further constructed, and after the tracing commodity identifier corresponding to the agricultural product tracing request is obtained, the tracing project identifier corresponding to the agricultural product tracing request is directly determined according to the association relationship between the agricultural product identifier and the commodity identifier.
And S120, generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network, so that the blockchain nodes process the data query transaction request, and receiving data query information fed back by the blockchain nodes.
In this embodiment, after the source tracing item identifier is determined, a data query transaction request is generated based on the source tracing item identifier and transmitted to the blockchain network, and a blockchain node in the blockchain network processes the received data query transaction request and feeds back data query information corresponding to the data query transaction request to the information query device. Optionally, the mechanism of the blockchain for processing the data query transaction request is not limited herein, as long as corresponding data query information can be returned according to the received data query transaction request.
S130, generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
And after receiving the data query information returned by the block chain network, the information query device integrates the data query information to obtain target query information. In this embodiment, the data query information returned by the blockchain network is all information associated with the item tracing identifier, such as the information of the produced item tracing identifier corresponding to the parcel of the agricultural product, the growth process of the agricultural product, and the like. The related information of all the item tracing identifiers in the data query information can be used as target query information and returned to the sending end of the agricultural product tracing request, and the related information of the item tracing information in the data query information can also be screened, and the information obtained after screening is used as the target query information and returned to the sending end of the agricultural product tracing request.
In order to enable the user to know more related information of the traceable commodity, the number of times that the traceable commodity is queried can be recorded when the traceable commodity is queried, and the query number of the traceable commodity is fed back to the user according to the historical query record of the traceable commodity when the traceable commodity is queried, so that the user can know the queried condition of the traceable commodity. In one embodiment, generating target query information based on data query information includes: acquiring agricultural product production information corresponding to the source tracing item identifier in the data query information; determining the query times of the commodities corresponding to the traceable commodity identification according to the historical query records corresponding to the agricultural product traceable request; and generating target query information based on the agricultural product production information and the query times. Optionally, the target query information may be generated by combining the agricultural product production information in the data query information and the query times corresponding to the traceable commodity identifier. The query times corresponding to the traceable commodity identifier may be access times of the traceable code information access address of the traceable commodity identifier. Optionally, when the traceability code information access address is accessed, the number of times of accessing the traceability code information access address is recorded and is used as the query number of times of the traceability commodity identifier. In addition, besides displaying the query times corresponding to the traceable commodity identification to the user, if the traceable commodity identification is not the first query, the query times, the first query time and the first query place of the traceable commodity identification can be combined to serve as the query condition corresponding to the traceable commodity identification, and the target query information is generated based on the query condition and the agricultural product production information. For example, the query condition corresponding to the source tracing commodity identifier may be "first query", and may also be "second query, first query time: xx year x month x day, first query location: "X" province "is X.city". Optionally, the query location may also be represented in a latitude and longitude manner.
On the basis of the scheme, the method further comprises the following steps: acquiring commodity specification information corresponding to the traceable commodity identification; correspondingly, generating target query information based on the production information and the query times comprises the following steps: target query information is generated based on the commodity specification information, the production information and the query times. Optionally, besides displaying the agricultural product production information corresponding to the traceable commodity and the query condition of the traceable commodity to the user, the commodity specification of the traceable commodity can be displayed to the user, and the authenticity of the traceable commodity is ensured from the commodity specification. And the commodity specification information corresponding to the traceable commodity identification is the number or weight of agricultural products contained in the traceable commodity. The commodity specification information can be pre-stored in the information inquiry device, and can also be linked for storage, so that the authenticity of the commodity specification information is ensured. If the commodity specification information is pre-stored in the information inquiry device, directly acquiring the commodity specification information corresponding to the traceable commodity identification from the information inquiry device; if the commodity specification information is linked for storage, a data query transaction request can be generated based on the traceable commodity identification and transmitted to the block chain network, and the block chain node in the block chain network processes the received data query transaction request and feeds the commodity specification information corresponding to the data query transaction request back to the information query device.
According to the embodiment of the invention, when the agricultural product traceability request is detected, the traceability agricultural product identification corresponding to the agricultural product traceability request is obtained; generating a data query transaction request based on the source tracing agricultural product identifier and transmitting the data query transaction request to the block chain network so that the block chain link points process the data query transaction request and receive data query information fed back by the block chain link points; target query information is generated based on the data query information, the target query information is used as response information corresponding to the agricultural product traceability request, the traceability information of the agricultural product is obtained from the block chain network, and authenticity of the agricultural product traceability information is guaranteed by means of the anti-tampering characteristic of the block chain.
Example two
Fig. 2 is a flowchart of an information query method according to a second embodiment of the present invention. Based on the above scheme, the present embodiment adds the operation of chaining agricultural product operation information. As shown in fig. 2, the method includes:
s201, when a project information authentication request sent by a production information operation end is received, an authentication agricultural product identifier, an authentication project identifier and authentication plot information corresponding to the project information authentication request are obtained, and an association relation among the authentication agricultural product identifier, the authentication project identifier and the authentication plot information is built.
In this embodiment, to ensure the authenticity of the agricultural product traceability information, the agricultural product related information is chain-stored from the planting of the agricultural product. Optionally, the information query device may receive the agricultural product related information uploaded by the farmer through the production information operation terminal, and link the received agricultural product related information to store. Before receiving agricultural product related information uploaded by farmers, the farmers need to be subjected to project authentication, so that the authenticity of the agricultural product project authentication of the farmers is ensured. The project information authentication request may be a request initiated by a farmer through a production information operation end and used for project authentication.
Alternatively, the information of farmers, plots and the like can be subjected to project certification by using an industry association holding regional public brands or agricultural enterprises holding enterprise brands as supervision departments through an information inquiry device. The authentication mode can adopt a mode of combining face recognition, identity verification, parcel authentication and agricultural product authentication. Face recognition and identity verification are used for authenticating the authenticity of farmers, and land and agricultural product authentication is used for authenticating the authenticity of planting information. The relevant information of face recognition, identity verification, parcel authentication and agricultural product authentication can be filled in by a supervision department through an information inquiry device, the farmer can check through a production information operation end, the farmer can also fill in through the production information operation end, and the supervision department can check through the information inquiry device. And after the project information is authenticated, obtaining an authentication agricultural product identifier, an authentication project identifier and authentication land information corresponding to the project information, and associating the authentication agricultural product identifier, the authentication project identifier and the authentication land information. The authentication agricultural product identification is used for representing an agricultural product corresponding to the item information, the authentication item identification is used for representing the planting item, and the authentication plot information is used for representing the planting position and the area of the planting item.
S202, generating a block data storage transaction request based on the authentication item identifier and authentication block information corresponding to the authentication item identifier, transmitting the block data storage transaction request to the blockchain network, so that the blockchain nodes process the block data storage transaction request, and uplink-storing data in the block data storage transaction request.
In this embodiment, after the item information is authenticated, a block data storage transaction request is generated based on the authentication item identifier and the authentication block information corresponding to the authentication item identifier, and is transmitted to the blockchain network, where the blockchain node in the blockchain network processes the received block data storage transaction request and stores the authentication item identifier and the authentication block information corresponding to the authentication item identifier in an uplink manner. It should be noted that the mechanism for processing the blockchain of the request for the chunk data storage transaction is not limited herein, as long as the data can be stored in uplink.
And S203, authenticating the production information operation end when the production information to be stored sent by the production information operation end is received.
After the project information is authenticated, the farmers can upload the relevant information of the agricultural products, such as growth nodes, pictures, cultivation operation records and the like of the agricultural products, through the production information operation end. Optionally, a user may add production information to be linked and stored at the production information operation end, generate an information operation end, send the production information to be stored added by the user to the information query device, after the information query device receives the production information to be stored sent by the production information operation end, it is necessary to determine whether the information sent by the production information operation end is true, that is, authenticate the production information operation end, if the production information operation end passes authentication, it indicates that the information sent by the production information operation end is true, and if the production information operation end fails authentication, it indicates that the information sent by the production information operation end is not true. By authenticating the production information operation end, the authenticity of the production information to be stored uploaded by the user can be ensured.
In one embodiment of the present invention, authenticating a production information job side includes: acquiring authentication plot information corresponding to the storage project identification and position information of a production information operation end, and judging whether the position information is in the authentication plot information; if the position information is in the authentication plot information, judging that the production information operation end passes the authentication; and if the position information is not in the authentication block information, judging that the production information operation end fails in authentication. Optionally, the production information operation end may be authenticated by the location of the production information operation end. The position information of the production information operation end can be acquired, when the position information is in the authentication plot information, the operation of a farmer in the destination plot is indicated, and the uploaded production information to be stored is real; when the position information is not in the authentication land parcel information, the farmer is indicated not to work in the destination land parcel, and the uploaded production information to be stored is not real. In addition, considering that the positioning of the mobile terminal may have errors, an error threshold value may be set, and when the position information is not in the authentication block information but the error is in the set error threshold value, the farmer may be determined to work in the destination block and the uploaded production information to be stored is determined to be real.
And S204, when the authentication of the production information operation terminal passes, generating a production data storage transaction request based on the production information to be stored and the storage item identifier corresponding to the production information to be stored, and transmitting the production data storage transaction request to the blockchain network, so that the blockchain nodes process the production data storage transaction request, and uplink data in the production data storage transaction request is stored.
When the production information operation end passes the authentication, the operation of the farmer in the destination block is indicated, and the uploaded production information to be stored is real. At this time, the production data storage transaction request can be generated based on the production information to be stored and the storage item identifier corresponding to the production information to be stored, and transmitted to the blockchain network, so that the blockchain node stores the data uplink in the production data storage transaction request. It should be noted that the mechanism for processing the blockchain of the request for the production data storage transaction is not limited herein, as long as the data can be stored in the uplink.
And S205, when a tracing code obtaining request sent by the production information operation end is received, obtaining a request item identifier corresponding to the tracing code obtaining request.
When farm products are harvested and marketed, farmers can apply for traceability codes through the production information operation end. The source code obtaining request may be a request initiated by a farmer for obtaining the source code. When the information inquiry device detects a source code acquisition request sent by a production information operation end, the source code acquisition request is analyzed to obtain a request item identifier in the source code acquisition request. The request item identifier is used for representing an item identifier corresponding to the source code obtaining request, namely an item identifier corresponding to the source code.
S206, determining an authentication agricultural product identifier corresponding to the request item identifier, and determining the quantity of the source tracing codes according to the yield information of the authentication agricultural product identifier and the commodity specification information of the authentication commodity identifier corresponding to the authentication agricultural product identifier.
In this embodiment, in order to ensure the balance between the actual agricultural product yield and the commodity quantity in the area, the source tracing code is not issued randomly, but calculated based on the agricultural product yield and the commodity specification corresponding to the agricultural product. Specifically, the authentication agricultural product identifier corresponding to the request item identifier may be determined according to a pre-established association relationship between the authentication item identifier and the authentication agricultural product identifier, and a quotient between the yield information of the agricultural product corresponding to the authentication agricultural product identifier and the commodity specification information of the authentication commodity corresponding to the agricultural product is used as the traceability code quantity. In order to ensure the accuracy of the traceability code number, the yield information of the agricultural products can be preprocessed, and the quotient between the preprocessed result and the commodity specification information is used as the traceability code number. The yield information of the agricultural products can be preprocessed to remove losses such as packaging and transportation. In addition, the authentication agricultural product identifier corresponding to the request item identifier is determined according to the pre-constructed association relationship between the authentication item identifier and the authentication agricultural product identifier, namely, the authentication agricultural product identifier corresponding to the authentication item identifier which is the same as the request item identifier is used as the authentication agricultural product identifier corresponding to the request item identifier.
S207, generating traceability codes of the traceability code quantity based on the network access address of the production information of the agricultural product corresponding to the identification of the authentication agricultural product, and sending the traceability codes to the production information operation end.
In this embodiment, after the number of the tracing codes is determined, the tracing codes of the number of the tracing codes are generated. Optionally, the source code may be presented in the form of a two-dimensional code. It can be understood that, in order to ensure that the scanning traceability codes can obtain the relevant information of the agricultural products corresponding to the commodities, the traceability codes need to be generated based on the network access addresses of the production information of the agricultural products.
In one embodiment, generating the tracing codes of the tracing code number based on the network access address of the production information of the agricultural product corresponding to the identification of the agricultural product includes: for each traceability code, generating a traceability code information access address corresponding to the traceability code according to the network access address of the production information of the agricultural product and the serial number of the traceability code; and generating plain codes of the tracing codes according to the tracing code information access address, and randomly generating cipher codes of the tracing codes. Specifically, each tracing code has a unique number, and the tracing code number can be added after the network access address of the information generated by the agricultural product to serve as the tracing code information access address corresponding to the tracing code. The traceability code information access addresses generated by adding respective numbers can ensure that different traceability codes correspond to different access addresses, and the traceability information inquiry times of commodities corresponding to the traceability codes can be counted. In addition, in order to avoid copying of the tracing code, besides generating the plain code in the form of the two-dimensional code, each tracing code can also randomly generate a secret code, and generate the tracing code comprising the plain code and the coated secret code.
Optionally, the information related to the authenticated goods related to the traceability code (such as the authenticated goods identifier, the goods specification information, the association relationship between the authenticated goods identifier and the authenticated agricultural product identifier, and the like) may be stored in the information query device, or may be stored in a chain. The information stored in the information inquiry device can improve the inquiry speed of the related information, but can be tampered. The uplink storage can guarantee the authenticity of the relevant information of the authenticated goods.
S208, when the agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request.
S209, generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network, so that the blockchain nodes process the data query transaction request, and receiving data query information fed back by the blockchain nodes.
S210, generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
After the item information is authenticated, the real agricultural product related information uploaded by the production information operation end is acquired for uplink storage, so that the authenticity of the agricultural product related information is ensured; and the quantity of the source tracing codes is determined based on the yield of the agricultural products and the specifications of the commodities, so that the balance between the yield and the quantity of the commodities is ensured, and the authenticity of the commodities is ensured in the aspect of the quantity of the commodities.
EXAMPLE III
The present embodiment provides a preferred embodiment based on the above-described embodiments.
The information query method provided by the embodiment of the invention can be executed by an agricultural product traceability system. Fig. 3 is a schematic structural diagram of an agricultural product traceability system provided in the third embodiment of the present invention. As shown in fig. 3, the agricultural product traceability system includes a management terminal, a working terminal and a traceability terminal. The management end can be operated by a competent department, a farmer and an operator, and the operation end can be operated by an operation farmer and a processing personnel. The logistics distribution operation and the traceability end can be operated by a consumer. In conjunction with the agricultural product traceability system shown in fig. 3, the agricultural product traceability method may include four stages:
first, the farmers and the land parcels are authenticated.
An industry association with a regional public brand or an agricultural enterprise with an enterprise brand may be used as a governing body to certify information such as farmers and land parcels that can use the brand. The authentication work can be initiated by enterprises or industry associations, the contact ways of identity information of authenticated farmers, mobile phones and the like are input, the authenticated land parcel information is marked in a GIS map system by using an electronic fence technology, and finally the farmers, the land parcels and the planting crop information are associated to form a planting plan. And after receiving the authentication notice, the authenticated farmer logs in the operation terminal to perform face recognition and real-name identity authentication, and checks and confirms the plot information and the planting plan information managed by the farmer after the authentication is passed. The information confirmed and authenticated by the two parties is synchronized to the block chain for evidence storage.
And secondly, recording the planting production process.
And linking chain storage evidence on the planting or breeding operation record information of the key growth node in the planting or breeding production process of the certified farmers. When the information is recorded, the farmer operates the operation end software to perform face recognition and identity verification, records the longitude and latitude of the mobile phone, judges whether the mobile phone is in the range of the electronic fence of the certified land, and after the requirement is met, the farmer shoots photos or videos by the mobile phone to record the key process of the operation.
Thirdly, code assigning management and control.
When the agricultural products are harvested and sold on the market, a farmer applies for endowing the packaging anti-counterfeiting two-dimensional code to an enterprise or industry association, the enterprise or industry association can carry out quality inspection on the agricultural products, and the quantity of the two-dimensional code endowed by the farmer is obtained by dividing the qualified yield by the packaging specification weight. The two-dimensional code may be provided as a coated combination to prevent the code from being copied. Thus, the balance between the actual agricultural product yield of the region and the amount of traceable products on the block chain is ensured. The two-dimension code can bind the information of the packaged goods and the previously recorded key node information in the growth process, so that a consumer can conveniently scan the code for inquiry.
And fourthly, code scanning, inquiring and verifying.
After a consumer purchases an agricultural product, the origin tracing information of the agricultural product in the origin place can be inquired by scanning the two-dimensional code through the mobile phone through the block chain origin tracing network, meanwhile, the management end can record the time and the longitude and latitude geographical position information of each code scanning inquiry, and prompts the user whether the current inquiry is the first inquiry or not, and if not, the time of the first inquiry can be fed back. The consumer can further scrape the password coating, input the password for checking, the management end can feed back whether the password is correctly input by the consumer, if the password is correctly input, the password is correctly input for the first time, and if the password is not correctly input for the first time, the consumer is prompted to input the correct time for the first time.
According to the embodiment of the invention, through the management and control of the agricultural production process, including the authentication of plots and farmers, the coding management and control of yield and the like, the block chain technology is utilized to protect the verification-stored key node traceability information from being tampered, and the uplink timestamp certification and other characteristics are provided for the recorded information, so that the problem of authenticating whether the agricultural products are the products of the origin is solved, the traceable agricultural products are guaranteed to be the real products of the characteristics of the origin, and the situation that the similar agricultural products in non-local areas are sold with the famous characteristic agricultural products in the local areas is prevented. In addition, the tracing code is set to be a code with the anti-copying secret code coating function, so that the tracing code is not easy to copy, and the authenticity of the commodity is further ensured.
Example four
Fig. 4 is a schematic structural diagram of an information query apparatus according to a fourth embodiment of the present invention. The information inquiry apparatus can be implemented in software and/or hardware, for example, the information inquiry apparatus can be configured in a computer device. As shown in fig. 4, the apparatus includes a tracing identifier obtaining module 410, a query information obtaining module 420, and a response information generating module 430, where:
a tracing identifier obtaining module 410, configured to obtain a tracing item identifier corresponding to an agricultural product tracing request when the agricultural product tracing request is detected;
the query information obtaining module 420 is configured to generate a data query transaction request based on the source tracing item identifier and transmit the data query transaction request to the blockchain network, so that the blockchain nodes process the data query transaction request, and receive data query information fed back by the blockchain nodes;
and the response information generating module 430 is configured to generate target query information based on the data query information, and use the target query information as response information corresponding to the agricultural product tracing request.
According to the embodiment of the invention, when the agricultural product traceability request is detected, the traceability item identification corresponding to the agricultural product traceability request is obtained; generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network so that the blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes; target query information is generated based on the data query information, the target query information is used as response information corresponding to the agricultural product traceability request, the traceability information of the agricultural product is obtained from the block chain network, and authenticity of the agricultural product traceability information is guaranteed by means of the anti-tampering characteristic of the block chain.
Optionally, on the basis of the above scheme, the tracing identifier obtaining module 410 is specifically configured to:
and obtaining a tracing commodity identifier contained in the agricultural product tracing request, and determining a tracing agricultural product identifier corresponding to the agricultural product tracing request according to the tracing commodity identifier.
Optionally, on the basis of the foregoing scheme, the response information generating module 430 includes:
the production information acquisition unit is used for acquiring agricultural product production information corresponding to the source tracing item identifier in the data query information;
the query frequency determining unit is used for determining the query frequency of the commodity corresponding to the traceable commodity identifier according to the historical query record corresponding to the agricultural product traceable request;
and the query information generating unit is used for generating target query information based on the agricultural product production information and the query times.
Optionally, on the basis of the above scheme, the apparatus further includes a specification information determining module, configured to:
acquiring commodity specification information corresponding to the traceable commodity identification;
correspondingly, the query information generating unit is specifically configured to:
target query information is generated based on the commodity specification information, the production information and the query times.
Optionally, on the basis of the above scheme, the apparatus further includes an item information authentication module, configured to:
when a project information authentication request sent by a production information operation end is received, acquiring an authentication agricultural product identifier, an authentication project identifier and authentication plot information corresponding to the authentication project identifier corresponding to the project information authentication request, and constructing an association relation among the authentication agricultural product identifier, the authentication project identifier and the authentication plot information;
and generating a block data storage transaction request based on the authentication item identifier and the authentication block information corresponding to the authentication item identifier, and transmitting the block data storage transaction request to the blockchain network, so that the blockchain nodes process the block data storage transaction request, and uplink-storing data in the block data storage transaction request.
Optionally, on the basis of the foregoing scheme, the apparatus further includes a production information uplink module, including:
the operation end authentication unit is used for authenticating the production information operation end when receiving the production information to be stored sent by the production information operation end;
and the data uplink unit is used for generating a production data storage transaction request based on the production information to be stored and the storage item identifier corresponding to the production information to be stored and transmitting the production data storage transaction request to the blockchain network when the production information operation terminal passes the authentication, so that the blockchain nodes process the production data storage transaction request and store the data uplink in the production data storage transaction request.
Optionally, on the basis of the above scheme, the operation-side authentication unit is specifically configured to:
acquiring authentication plot information corresponding to the storage project identification and position information of a production information operation end, and judging whether the position information is in the authentication plot information;
if the position information is in the authentication plot information, judging that the production information operation end passes the authentication;
and if the position information is not in the authentication block information, judging that the production information operation end fails in authentication.
Optionally, on the basis of the foregoing scheme, the apparatus further includes a source code generating module, including:
the source code item acquisition unit is used for acquiring a request item identifier corresponding to a source code acquisition request when the source code acquisition request sent by the production information operation end is received;
the traceability code quantity determining unit is used for determining an authentication agricultural product identifier corresponding to the request item identifier and determining the traceability code quantity according to the yield information of the authentication agricultural product identifier and the commodity specification information of the authentication commodity identifier corresponding to the authentication agricultural product identifier;
and the source tracing code generating unit is used for generating source tracing codes of the number of the source tracing codes based on the network access address of the production information of the agricultural product corresponding to the identification of the agricultural product, and sending the source tracing codes to the production information operation end.
Optionally, on the basis of the above scheme, the source code generating unit is specifically configured to:
for each traceability code, generating a traceability code information access address corresponding to the traceability code according to the network access address of the production information of the agricultural product and the serial number of the traceability code;
and generating plain codes of the tracing codes according to the tracing code information access address, and randomly generating cipher codes of the tracing codes.
The information inquiry device provided by the embodiment of the invention can execute the information inquiry method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
EXAMPLE five
Fig. 5 is a schematic structural diagram of a computer device according to a fifth embodiment of the present invention. FIG. 5 illustrates a block diagram of an exemplary computer device 512 suitable for use in implementing embodiments of the present invention. The computer device 512 shown in FIG. 5 is only an example and should not bring any limitations to the functionality or scope of use of embodiments of the present invention.
As shown in FIG. 5, computer device 512 is in the form of a general purpose computing device. Components of computer device 512 may include, but are not limited to: one or more processors 516, a system memory 528, and a bus 518 that couples the various system components including the system memory 528 and the processors 516.
The system memory 528 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)530 and/or cache memory 532. The computer device 512 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage 534 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 5, and commonly referred to as a "hard drive"). Although not shown in FIG. 5, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 518 through one or more data media interfaces. Memory 528 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 540 having a set (at least one) of program modules 542, including but not limited to an operating system, one or more application programs, other program modules, and program data, may be stored in, for example, the memory 528, each of which examples or some combination may include an implementation of a network environment. The program modules 542 generally perform the functions and/or methods of the described embodiments of the invention.
The computer device 512 may also communicate with one or more external devices 514 (e.g., keyboard, pointing device, display 524, etc.), with one or more devices that enable a user to interact with the computer device 512, and/or with any devices (e.g., network card, modem, etc.) that enable the computer device 512 to communicate with one or more other computing devices. Such communication may occur via input/output (I/O) interfaces 522. Also, computer device 512 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the Internet) via network adapter 520. As shown, the network adapter 520 communicates with the other modules of the computer device 512 via the bus 518. It should be appreciated that although not shown, other hardware and/or software modules may be used in conjunction with the computer device 512, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processor 516 executes various functional applications and data processing by running programs stored in the system memory 528, for example, implementing an information query method provided by an embodiment of the present invention, the method includes:
when an agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request;
generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network so that the blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes;
and generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
Of course, those skilled in the art can understand that the processor can also implement the technical solution of the information query method provided by any embodiment of the present invention.
EXAMPLE six
The sixth embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the information query method provided in the sixth embodiment of the present invention, and the method includes:
when an agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request;
generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to the blockchain network so that the blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes;
and generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
Of course, the computer program stored on the computer-readable storage medium provided by the embodiments of the present invention is not limited to the method operations described above, and may also perform related operations of the information query method provided by any embodiments of the present invention.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (12)
1. An information query method, comprising:
when an agricultural product traceability request is detected, obtaining a traceability item identifier corresponding to the agricultural product traceability request;
generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to a blockchain network so that blockchain nodes process the data query transaction request and receive data query information fed back by the blockchain nodes;
and generating target query information based on the data query information, and using the target query information as response information corresponding to the agricultural product traceability request.
2. The method according to claim 1, wherein the obtaining of the tracing item identifier corresponding to the agricultural product tracing request includes:
obtaining a tracing commodity identifier contained in the agricultural product tracing request, and determining a tracing agricultural product identifier corresponding to the agricultural product tracing request according to the tracing commodity identifier;
and taking the associated item identifier associated with the tracing agricultural product identifier as the tracing item identifier.
3. The method of claim 2, wherein generating target query information based on the data query information comprises:
acquiring agricultural product production information corresponding to the source tracing item identifier in the data query information;
determining the query times of the commodities corresponding to the tracing commodity identification according to the historical query records corresponding to the agricultural product tracing request;
and generating the target query information based on the agricultural product production information and the query times.
4. The method of claim 3, further comprising:
acquiring commodity specification information corresponding to the traceable commodity identification;
correspondingly, the generating the target query information based on the production information and the query times includes:
and generating the target query information based on the commodity specification information, the production information and the query times.
5. The method of claim 1, further comprising:
when a project information authentication request sent by a production information operation end is received, acquiring an authentication agricultural product identifier, an authentication project identifier and authentication parcel information corresponding to the authentication project identifier corresponding to the project information authentication request, and constructing an association relation among the authentication agricultural product identifier, the authentication project identifier and the authentication parcel information;
and generating a block data storage transaction request based on the authentication item identifier and authentication block information corresponding to the authentication item identifier and transmitting the block data storage transaction request to a block chain network, so that the block chain node processes the block data storage transaction request and stores uplink data in the block data storage transaction request.
6. The method of claim 5, further comprising:
when receiving production information to be stored sent by a production information operation end, authenticating the production information operation end;
and when the production information operation terminal passes the authentication, generating a production data storage transaction request based on the production information to be stored and the storage item identifier corresponding to the production information to be stored, and transmitting the production data storage transaction request to a blockchain network, so that the blockchain nodes process the production data storage transaction request, and uplink data in the production data storage transaction request is stored.
7. The method of claim 6, wherein the authenticating the production information job site comprises:
acquiring authentication parcel information corresponding to the storage project identification and position information of the production information operation end, and judging whether the position information is in the authentication parcel information;
if the position information is in the authentication plot information, judging that the production information operation end passes the authentication;
and if the position information is not in the authentication land information, judging that the production information operation end fails in authentication.
8. The method of claim 6, further comprising:
when a tracing code obtaining request sent by a production information operation end is received, obtaining a request item identifier corresponding to the tracing code obtaining request;
determining an authentication agricultural product identifier corresponding to the request item identifier, and determining the quantity of traceability codes according to the yield information of the authentication agricultural product identifier and the commodity specification information of the authentication commodity identifier corresponding to the authentication agricultural product identifier;
and generating the tracing codes of the number of the tracing codes based on the network access address of the production information of the agricultural product corresponding to the identification of the authentication agricultural product, and sending the tracing codes to the production information operation end.
9. The method of claim 8, wherein generating the traceable code of the traceable code number based on the network access address of the production information of the agricultural product corresponding to the authentication agricultural product identifier comprises:
for each traceability code, generating a traceability code information access address corresponding to the traceability code according to a network access address of production information of the agricultural product and the serial number of the traceability code;
and generating a plain code of the tracing code according to the tracing code information access address, and randomly generating a cipher code of the tracing code.
10. An information inquiry apparatus, comprising:
the source tracing identifier obtaining module is used for obtaining a source tracing item identifier corresponding to the agricultural product source tracing request when the agricultural product source tracing request is detected;
the query information acquisition module is used for generating a data query transaction request based on the source tracing item identifier and transmitting the data query transaction request to a blockchain network so that blockchain nodes process the data query transaction request and receiving data query information fed back by the blockchain nodes;
and the response information generating module is used for generating target query information based on the data query information and taking the target query information as response information corresponding to the agricultural product traceability request.
11. A computer device, the device comprising:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the information query method of any one of claims 1-9.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the information query method according to any one of claims 1 to 9.
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