CN109146516A - A kind of white wine traceability system based on block chain - Google Patents
A kind of white wine traceability system based on block chain Download PDFInfo
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- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- H—ELECTRICITY
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L2209/80—Wireless
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Abstract
The invention proposes a kind of white wine traceability systems based on block chain, including source tracing method, device of tracing to the source, server and storage medium, wherein, source tracing method based on block chain includes: after receiving the first two-dimensional barcode information of appointed product of terminal transmission, the product information in main chain system is decrypted using consumption public key, to generate product traceability information corresponding with the first two-dimensional barcode information；Product traceability information is sent to terminal, wherein product traceability information includes at least one in status information, production information, storage information, transit information and the sales information of product.According to the technical solution of the present invention, it may be implemented effectively to supervise the links that production is sold, can reliably trace to the source product sales process, be conducive to hit counterfeit and shoddy goods, safeguard the equity of consumer and manufacturer.
Description
Technical field
The present invention relates to region chain field, in particular to a kind of white wine traceability system based on block chain, including traces to the source
Method, a kind of device of tracing to the source based on block chain, a kind of server and a kind of computer readable storage medium.
Background technique
In the related technology, personation white wine can bring significant damage to the personal safety of consumer and the prestige of white wine manufacturer,
White wine manufacturer releases many measure strike personation white wine.Such as increase antifalsification label, using the short-message verification true and false；Using two dimensional code,
Relevant information is uploaded into specified data library during production and transport, consumer is by mobile phone scanning i.e. it can be seen that the life of white wine
Production and logistics information；But to be all easy to be counterfeited manufacturer imitated for these information, can not effectively identify to the true and false of white wine,
It is even more impossible to the entire production and sales processes to white wine reliably to trace to the source.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, the purpose of the present invention is to provide a kind of source tracing methods based on block chain, a kind of tracing back based on block chain
Source device, a kind of server and a kind of computer readable storage medium.
To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of tracing to the source based on block chain
Method is suitable for server, and block chain includes main chain system and side chain system, and source tracing method includes: to receive terminal transmission
Appointed product the first two-dimensional barcode information after, using consumption public key the product information in main chain system is decrypted, with life
At product traceability information corresponding with the first two-dimensional barcode information；Product traceability information is sent to terminal, wherein product traceability letter
Breath includes at least one in status information, production information, storage information, transit information and the sales information of product.
Block chain is a kind of a kind of chain type number for being sequentially in time combined into data block in such a way that sequence is connected
According to structure, and the distributed account book that can not be distorted He can not forge guaranteed in a manner of cryptography.Using block chain technology, will give birth to
It produces the information encryption that sale links collect and is uploaded to block catenary system, can effectively integrate each link information,
Realize the products such as white wine from production tracing to the source to final consumption.
In the above-mentioned technical solutions, it is preferable that further include: it, will be in main chain system after receiving the first two-dimensional barcode information
The current state information of appointed product be revised as consumption status, and save into main chain system.
In any of the above-described technical solution, it is preferable that further include: after the account information that detection receives is by verifying,
Determine the corresponding operating right of account information；After getting the identity information of appointed product, operating right is corresponding works as modification
Preceding status information, and save after current state information is encrypted by code key into region chain.
In any of the above-described technical solution, it is preferable that code key include private key corresponding with current state and with a upper shape
The corresponding public key of state, after the identity information for obtaining more appointed products, the corresponding current state information of revision operating right, and will
Current state information saves after being encrypted by code key into region chain, specifically includes the following steps: being the first power in operating right
In limited time, it after the production information of appointed product being encoded by Hash, saves using after the first private key encryption to side chain
In system；When operating right is the second permission, the current state information of appointed product is revised as binning state, and pass through Kazakhstan
After uncommon coding is encoded, save using after the second private key encryption into main chain system；When operating right is third permission, adopt
Current state information is decrypted with the first public key, and current state information is revised as travel position, and compile by Hash
After code is encoded, save using after third private key encryption into main chain system；When operating right is four permission, using the
Current state information is decrypted in one public key, and current state information is revised as distribution state, and by Hash encode into
After row coding, save using after the 4th private key encryption into main chain system, wherein from the first permission to the 4th permission, permission etc.
Grade successively reduces.
The personnel that the productions such as white wine sell each node need to obtain the letter of the relevant information of work and typing oneself
Breath；Different role's focus is inconsistent, need to only be responsible for oneself link.In order to preferably integrate information flow, information benefit is improved
Efficiency carries out stratification grouping to information；Different operating rights is given to different roles simultaneously.
Information can be divided into production information, storage information, logistics information, sales information.
Production information includes the production details of white wine, in general temperature humidity, brewing time, quality information etc. only supply
Factory and higher level supervision department are checked.
The time and location information in warehouse is stored in after the completion of storage information record liquor production.
Logistics information records the transit information between each physical node.
Sales information records agents at different levels and sales information.
Different accounts is created to the participant of production and sales links, each account corresponds to different roles and possesses
Different operating rights；Account roles and the corresponding relationship of permission are previously written in block chain, and role-security is indiscriminate in order to prevent
With distorting, account permission is using intelligent contract encryption.
Manufacturer is the promoter of information of entirely tracing to the source, and possesses higher permission, generates unique body to the white wine of production
The information of related trunk node in link is sold in part mark, the detailed production information of typing white wine, typing, such as specified forwarding agent,
Great Qu dealer specifies the white wine batch of delivery；Manufacturer can view the information of entire production and sales chain road, according to letter
Breath is monitored the circulation of white wine and distribution state, judges whether the abnormalities such as falsifying occur.
Manufacturer saves storage and transfer that dealer is generally equipped with specialized depot for white wine, and the personnel that store in a warehouse are in white wine
When storage and outbound, white wine lot number is verified by special equipment, typing relevant information, change white wine state is ' to enter
Library ', ' outbound '.
Forwarding agent transports to white wine from dealer from manufacturer, can be specified by production firm or dealer, large-scale white wine
Manufacturer or equipped with profession carrier；Entrucking scans and uploads relevant information to area after forwarding agent receives goods from manufacturer warehouse
In block catenary system, the state for changing white wine is ' in transport ', ' arrived '.
Provincial dealer is generally the sale agent of a province or several provinces, examine goods after goods is received from forwarding agent and on
Pass relevant information.Cities and counties dealer and second level forwarding agent can be managed, according to the request of junior dealer, by the white of different batches
Wine is sent at lower-level reseller, and the state for changing white wine is ' dealer's storage ', ' dealer's outbound '.
City dealer at county level generally directly facing retail points such as hotel, supermarkets, veritifies white wine when receiving cargo
Relevant information is passed, uploads relevant information after selling white wine, can change white wine state is ' cities and counties agency ', ' selling cities and counties '.
Retailer or hotel, generally directly facing consumer, after receiving white wine, typing information, and change white wine
State is ' in retailer's sale ' directly to upload relevant information after selling, change white wine state ' retailer has been sold out '.
After consumer buys white wine from retailer, the two dimensional code for passing through scanning extranal packing box or bottle body itself carries out body
Part verifying, checks the detailed date of production, the logistics, storage information of white wine, traces to the source the entire production and sales process of white wine,
The source for ensuring white wine is real manufacturer's production, and the state of white wine is changed to ' consumption ' automatically at this time.
In any of the above-described technical solution, it is preferable that main chain system includes the authority information of the operating right of associated user
With product traceability information, side chain system includes product information, source tracing method further include: the data letter in real-time update main chain system
Breath；The data information in side chain system is updated according to preset renewal frequency timing.
Block chain is that each node requires real-time, synchronized update distributed data base, stores information mistake on chain
More, real-time update and storage to each node are very big challenges.In order to improve the utilization rate of block chain, guarantee update
Real-time, the double privately owned catenary systems formed using main chain and side chain, main chain essential record manufacturer, storage personnel, forwarding agent, province
Dealer, city dealer, the respective authority information of consumer and node transaction record；It is corresponding all that side chain records each project
The detailed status information of white wine, production information, logistics information, storage information.Each nodal information needs after completion of transactions on main chain
Real-time update, the status information of product is using timing more new strategy on side chain, status information in the status information and main chain of white wine
Unanimously, the details of the product on side chain can be by the querying node with associated rights.
In any of the above-described technical solution, it is preferable that further include: the block data that is updated in detecting main chain system with
When corresponding father node data and/or son node number are according to mismatching, warning message is generated.
In any of the above-described technical solution, it is preferable that product identification information includes be set at product appearance sealing
One two-dimension code label, be set to product packing case surface the second two-dimension code label and be set to packing case group vanning
Surface third two-dimension code label, the first two-dimension code label, the second two-dimension code label and third two-dimension code label are interrelated,
The surface of group vanning is additionally provided with the first RFID tag corresponding with two-dimension code label, and with the first RFID tag is associated sets
The second RFID tag being placed on haulage vehicle.
The technical solution of the second aspect of the present invention provides a kind of device of tracing to the source based on block chain, is suitable for service
Device, block chain include main chain system and side chain system, and device of tracing to the source includes: decryption unit, for receiving terminal transmission
After first two-dimensional barcode information of appointed product, the product information in main chain system is decrypted using consumption public key, to generate
Product traceability information corresponding with the first two-dimensional barcode information；Transmission unit, for product traceability information to be sent to terminal,
In, product traceability information includes at least one in production information, storage information, transit information and sales information.
In the above-mentioned technical solutions, it is preferable that further include: modification unit, for after receiving the first two-dimensional barcode information,
The current state information of appointed product in main chain system is revised as consumption status, and is saved into main chain system.
In any of the above-described technical solution, it is preferable that further include: determination unit, the account letter for being received in detection
After breath is by verifying, the corresponding operating right of account information is determined；Modification unit is also used to: in the identity for getting appointed product
After information, the corresponding current state information of modification operating right, and save after current state information is encrypted by code key to area
In the chain of domain.
In any of the above-described technical solution, it is preferable that further include: storage unit, for being the first permission in operating right
When, after the production information of appointed product is encoded by Hash, save using after the first private key encryption to side chain system
In system；Storage unit is also used to: when operating right is the second permission, the current state information of appointed product being revised as being put in storage
State, and after being encoded by Hash, it saves using after the second private key encryption into main chain system；Storage unit is also used
In: when operating right is third permission, current state information is decrypted using the first public key, and by current state information
It is revised as travel position, and after being encoded by Hash, saved using after third private key encryption into main chain system；It protects
Memory cell is also used to: when operating right is four permission, current state information being decrypted using the first public key, and will work as
Preceding status information is revised as distribution state, and after being encoded by Hash, saves using after the 4th private key encryption to master
In catenary system, wherein from the first permission to the 4th permission, Permission Levels are successively reduced.
In any of the above-described technical solution, it is preferable that main chain system includes the authority information of the operating right of associated user
With product traceability information, side chain system includes product information, device of tracing to the source further include: the first updating unit is used for real-time update
Data information in main chain system；Second updating unit updates the number in side chain system with according to preset renewal frequency timing
It is believed that breath.
In any of the above-described technical solution, it is preferable that further include: alarm unit, in detecting main chain system more
When new block data and corresponding father node data and/or son node number are according to mismatching, warning message is generated.
The technical solution of the third aspect of the present invention provides a kind of server, including memory, processor and is stored in
On memory and the computer program that can run on a processor, processor realize of the invention first when executing computer program
The source tracing method based on block chain of any one technical solution of aspect.
The technical solution of the fourth aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with calculating
Machine program, realized when computer program is executed by processor any one technical solution of the first aspect of the present invention based on block
The source tracing method of chain.
The following technical effects are achieved for above-mentioned technical proposal:
(1) the double privately owned catenary systems formed using main chain and side chain, the utilization rate of raising block chain, guarantee update real-time
Property.
(2) block chain technology is used, the information encryption that production to sale links collects is uploaded to block chain
System can effectively integrate each link information, realize white wine from production tracing to the source to final consumption.
(3) each account information corresponds to different roles, possesses different operating rights；The correspondence of identity role and permission
Relationship is previously written in block chain, and role-security can be prevented to be abused and distorted.
(4) data that each node generates are uploaded in block catenary system in a manner of encrypting, are may be implemented to product,
For example the links of liquor production sale are effectively supervised, and can reliably be traced to the source white wine sales process, favorably
In hitting fake and forged white wine, the equity of consumer and manufacturer is safeguarded.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the schematic flow diagram of the source tracing method according to an embodiment of the invention based on block chain；
Fig. 2 shows the schematic diagrames of uplink communications according to an embodiment of the invention layering；
Fig. 3 shows the schematic block diagram of double chain system according to an embodiment of the invention；
Fig. 4 shows the flow diagram of main chain system according to an embodiment of the invention；
Fig. 5 shows the schematic block diagram of the device of tracing to the source according to an embodiment of the invention based on block chain.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As shown in Figure 1, the source tracing method based on block chain of embodiment according to the present invention, is suitable for server, block
Chain includes main chain system and side chain system, and source tracing method includes:
Step 102, after receiving the first two-dimensional barcode information of appointed product of terminal transmission, using consumption public key to master
Product information in catenary system is decrypted, to generate product traceability information corresponding with the first two-dimensional barcode information；
Step 104, product traceability information is sent to terminal, wherein product traceability information include product status information,
At least one of in production information, storage information, transit information and sales information.
Block chain is a kind of a kind of chain type number for being sequentially in time combined into data block in such a way that sequence is connected
According to structure, and the distributed account book that can not be distorted He can not forge guaranteed in a manner of cryptography.Using block chain technology, will give birth to
It produces the information encryption that sale links collect and is uploaded to block catenary system, can effectively integrate each link information,
Realize the products such as white wine from production tracing to the source to final consumption.
In the above embodiment, it is preferable that further include: it, will be in main chain system after receiving the first two-dimensional barcode information
The current state information of appointed product is revised as consumption status, and saves into main chain system.
In any of the above-described embodiment, it is preferable that further include: after the account information that detection receives is by verifying, really
Determine the corresponding operating right of account information；After getting the identity information of appointed product, modification operating right is corresponding current
Status information, and save after current state information is encrypted by code key into region chain.
In any of the above-described embodiment, it is preferable that code key includes private key corresponding with current state and and laststate
Corresponding public key, after the identity information for obtaining more appointed products, the corresponding current state information of revision operating right, and will work as
Preceding status information saves after being encrypted by code key into region chain, specifically includes the following steps: being the first permission in operating right
When, after the production information of appointed product is encoded by Hash, save using after the first private key encryption to side chain system
In system；When operating right is the second permission, the current state information of appointed product is revised as binning state, and pass through Hash
After being encoded, save using after the second private key encryption into main chain system；When operating right is third permission, use
Current state information is decrypted in first public key, and current state information is revised as travel position, and encode by Hash
After being encoded, save using after third private key encryption into main chain system；When operating right is four permission, using first
Current state information is decrypted in public key, and current state information is revised as distribution state, and encode and carry out by Hash
After coding, save using after the 4th private key encryption into main chain system, wherein from the first permission to the 4th permission, Permission Levels
Successively reduce.
The personnel that the productions such as white wine sell each node need to obtain the letter of the relevant information of work and typing oneself
Breath；Different role's focus is inconsistent, need to only be responsible for oneself link.In order to preferably integrate information flow, information benefit is improved
Efficiency carries out stratification grouping to information；Different operating rights is given to different roles simultaneously.
As shown in Fig. 2, information can be divided into production information, storage information, logistics information, sales information.
Production information includes the production details of white wine, in general temperature humidity, brewing time, quality information etc. only supply
Factory and higher level supervision department are checked.
The time and location information in warehouse is stored in after the completion of storage information record liquor production.
Logistics information records the transit information between each physical node.
Sales information records agents at different levels and sales information.
Different accounts is created to the participant of production and sales links, each account corresponds to different roles and possesses
Different operating rights；Account roles and the corresponding relationship of permission are previously written in block chain, and role-security is indiscriminate in order to prevent
With distorting, account permission is using intelligent contract encryption.
Manufacturer is the promoter of information of entirely tracing to the source, and possesses higher permission, generates unique body to the white wine of production
The information of related trunk node in link is sold in part mark, the detailed production information of typing white wine, typing, such as specified forwarding agent,
Great Qu dealer specifies the white wine batch of delivery；Manufacturer can view the information of entire production and sales chain road, according to letter
Breath is monitored the circulation of white wine and distribution state, judges whether the abnormalities such as falsifying occur.
Manufacturer saves storage and transfer that dealer is generally equipped with specialized depot for white wine, and the personnel that store in a warehouse are in white wine
When storage and outbound, white wine lot number is verified by special equipment, typing relevant information, change white wine state is ' to enter
Library ', ' outbound '.
Forwarding agent transports to white wine from dealer from manufacturer, can be specified by production firm or dealer, large-scale white wine
Manufacturer or equipped with profession carrier；Entrucking scans and uploads relevant information to area after forwarding agent receives goods from manufacturer warehouse
In block catenary system, the state for changing white wine is ' in transport ', ' arrived '.
Provincial dealer is generally the sale agent of a province or several provinces, examine goods after goods is received from forwarding agent and on
Pass relevant information.Cities and counties dealer and second level forwarding agent can be managed, according to the request of junior dealer, by the white of different batches
Wine is sent at lower-level reseller, and the state for changing white wine is ' dealer's storage ', ' dealer's outbound '.
City dealer at county level generally directly facing retail points such as hotel, supermarkets, veritifies white wine when receiving cargo
Relevant information is passed, uploads relevant information after selling white wine, can change white wine state is ' cities and counties agency ', ' selling cities and counties '.
Retailer or hotel, generally directly facing consumer, after receiving white wine, typing information, and change white wine
State is ' in retailer's sale ' directly to upload relevant information after selling, change white wine state ' retailer has been sold out '.
After consumer buys white wine from retailer, the two dimensional code for passing through scanning extranal packing box or bottle body itself carries out body
Part verifying, checks the detailed date of production, the logistics, storage information of white wine, traces to the source the entire production and sales process of white wine,
The source for ensuring white wine is real manufacturer's production, and the state of white wine is changed to ' consumption ' automatically at this time.
In any of the above-described embodiment, it is preferable that main chain system include the operating right of associated user authority information and
Product traceability information, side chain system include product information, source tracing method further include: the data letter in real-time update main chain system
Breath；The data information in side chain system is updated according to preset renewal frequency timing.
As shown in figure 3, block chain be each node require in real time, the distributed data base of synchronized update, on chain
Storage information is excessive, and real-time update and storage to each node are very big challenges.In order to improve block chain utilization rate,
Guarantee the real-time updated, the double privately owned catenary systems formed using main chain and side chain, main chain essential record manufacturer, storage people
Member, forwarding agent, province dealer, city dealer, the respective authority information of consumer and node transaction record；Side chain records each item
Detailed status information, production information, the logistics information, storage information of the corresponding all white wine of mesh.Each nodal information exists on main chain
Real-time update is needed after the completion of transaction, the status information of product is using timing more new strategy, the status information of white wine and master on side chain
The details of status information accordance on chain, the product on side chain can be by the querying node with associated rights.
In any of the above-described embodiment, it is preferable that further include: the block data updated in detecting main chain system with it is right
When the father node data and/or son node number answered are according to mismatching, warning message is generated.
In any of the above-described embodiment, it is preferable that product identification information includes first be set at product appearance sealing
Two-dimension code label, be set to product packing case surface the second two-dimension code label and be set to packing case group vanning
The third two-dimension code label on surface, the first two-dimension code label, the second two-dimension code label and third two-dimension code label are interrelated, group
The surface of vanning is additionally provided with the first RFID tag corresponding with two-dimension code label, and with the associated setting of the first RFID tag
In the second RFID tag on haulage vehicle.
The following technical effects are achieved for above-described embodiment:
(1) the double privately owned catenary systems formed using main chain and side chain, the utilization rate of raising block chain, guarantee update real-time
Property.
(2) block chain technology is used, the information encryption that production to sale links collects is uploaded to block chain
System can effectively integrate each link information, realize white wine from production tracing to the source to final consumption.
(3) each account information corresponds to different roles, possesses different operating rights；The correspondence of identity role and permission
Relationship is previously written in block chain, and role-security can be prevented to be abused and distorted.
(4) data that each node generates are uploaded in block catenary system in a manner of encrypting, are may be implemented to product,
For example the links of liquor production sale are effectively supervised, and can reliably be traced to the source white wine sales process, favorably
In hitting fake and forged white wine, the equity of consumer and manufacturer is safeguarded.
Embodiment
Production and sales chain road node type package includes manufacturer P (P, t), storage W (W, t), forwarding agent T (T, t), dealer
The state of D (D, t), consumer C (C, t), block chain change formula σ t+1=γ (σ t, T), and wherein σ t is block chain in t moment
State, γ is state transition function, and T is action type.Main chain content is as shown in table 1, and side chain content is as shown in table 2.Main chain
Using real-time update strategy, side chain is updated using timing, and only open to the node for having access limit.
Table 1
Table 2
Concrete operations process based on the white wine traceability system of block chain from production to sale is as follows.
The participant manufacturer P of production and sales links, manufacturer warehouse W1, forwarding agent T1, great Qu are passed through first
Pin quotient D1, great Qu warehouse W2, city-level dealer D2 create different accounts, and each account possesses different operating rights；It is at different levels
Personnel need to obtain by authentication when logging in respective account private key and higher level personnel corresponding to current character public affairs
Key.
Manufacturer P is the starting point of entire block chain, and possesses higher permission, can change provincial agent and transport
Quotient's information specifies white wine batch.Unique identity ID (two dimensional code mark that production firm has generated every bottle of wine after having produced white wine
Label), white wine sealing part sticks two-dimension code label；Every case white wine is furnished with unique RFID electronic label and two-dimension code label, with case
Interior every bottle of white wine binding.Related personnel obtains the associated rights of current character by authentication login system, by white wine
Essential information is ' production is completed ' by being uploaded to main chain, change white wine state after Hash coding and private key encryption, this is entire
White wine is traced to the source the starting point σ 0 of block chain；The detailed production information of white wine encodes and typing side chain system after private key encryption into Hash is crossed
System, subsequent white wine are transported to manufacturer warehouse.By stock clerk by obtaining oneself operation after authentication when storage
Permission carries out storage scanning using authorisation device, is ' storage ' by the Status Change of white wine, is encoded using Hash and added using private key
Main chain is uploaded to after close, main chain Status Change is σ 1=γ (σ 0, W1 (W1, t1)).
Production firm P is monitored inventory status, after the order for receiving great Qu dealer D1, distributes the white of given batch
Wine, according to stored on side chain forwarding agent, retailer's list select great Qu dealer D1 and forwarding agent T1, designated sale region,
Project number is generated, project number is uploaded to main chain, generates project, main chain Status Change is σ 2=γ (σ 1, P (P, t2))；
The corresponding white wine information of project is uploaded to side chain.
Forwarding agent T1 to manufacturer warehouse W1 connects goods, and stock clerk carries out outbound scanning to the white wine of given batch,
It is that the white wine that per car white wine generates in a RFID electronic label, with vehicle is bound after the completion of outbound, change white wine state is ' out
Library ', main chain is uploaded to after Hash encryption, main chain Status Change is σ 3=γ (σ 2, W1 (W1, t3)).
After forwarding agent T1 receives cargo, after authentication login system, pass through a block in known public key acquisition
Information, the corresponding RFID electronic label of scanning per car, change white wine state are ' transport ', and Hash encodes on after private key encryption
Main chain is reached, main chain Status Change is σ 4=γ (σ 3, T1 (T1, t4)).White wine is transported to provincial dealer storehouse by forwarding agent T1
At the W2 of library, after authentication, RFID electronic label is scanned, change white wine state is ' Delivered ', and Hash encodes and passes through
For upload information to main chain, main chain Status Change is σ 5=γ (σ 4, T1 (T1, t5)) after private key encryption.
After provincial dealer D1 operator completes authentication, login system obtains the Shipping Information of manufacturer, passes through
Special equipment scans the RFID information of every case white wine, is compared with the white wine information in side chain, and after confirmation, white wine enters
Great Qu distributor's stock W2, it is ' dealer's storage ', main chain chain state that operator, which uploads relevant information and changes white wine state,
It is changed to σ 6=γ (σ 5, W2 (W2, t6)).Provincial dealer D1 is according to the agential order situation in cities and counties, great Qu dealer D1
The white wine for distributing given batch in systems, specifies city-level dealer D2, typing forwarding agent T2, is the white wine of city-level dealer D2
A RFID electronic label is generated, change white wine state is ' dealer sells ', and encryption uploads relevant information to main chain, main chain shape
State is changed to σ 7=γ (σ 6, D1 (D1, t7)).
Goods is connect at the area second level forwarding agent Dao great distributor's stock, it is that ' dealer goes out that warehouse operation personnel, which change white wine state,
Library ', encryption uploads relevant information to block chain, and main chain Status Change is σ 8=γ (σ 7, W2 (W2, t8)).
Forwarding agent T2 passes through login system after authentication, last block information is obtained by known public key, by dedicated
Equipment scanning transport white wine information, change white wine state be ' in transport ', using private key produce new block information and on
Main chain is reached, main chain Status Change is σ 9=γ (σ 8, T2 (T2, t9)).White wine is transported at city-level dealer D2 by forwarding agent,
Forwarding agent scans RFID electronic label, and change white wine state is ' Delivered ', and upload information to block chain, main chain Status Change is
σ 10=γ (σ 9, T2 (T2, t10)).
After city-level dealer D2 is by login system after authentication, the delivery letter of great Qu dealer D1 is obtained from side chain
Breath, the RFID electronic label of every case white wine is scanned by special equipment, is checked with the white wine information in system, changes white wine
State is ' cities and counties agency ', and private key encryption uploads main chain, and block chain state is changed to σ 11=γ (σ 10, D2 (D2, t11)).City
Agent at county level generally faces retailer, hotel etc., sells after receiving order, scans the RFID electronic label for the white wine sold,
And information is sold in typing, change white wine state is ' selling cities and counties ', uploads relevant information to main chain, main chain Status Change is σ 12
=γ (σ 11, D2 (D2, t12)).
After retailer or hotel D3 receive from cities and counties agent, system is entered by authentication, is sold by cities and counties
The public key acquisition main chain information of quotient D2, the RFID information of every case white wine is scanned by equipment, and change white wine state is ' retailer '
Or ' hotel ' etc., encryption are uploaded to main chain system, main chain Status Change is σ 13=γ (σ 12, D3 (D3, t13)).It sells
When white wine, the two-dimensional barcode information of every bottle of scanning or every case white wine, change state is ' having been sold out ', is uploaded to master after private key encryption
Chain, main chain Status Change are σ 14=γ (σ 13, D3 (D3, t14)).
Consumer C buys white wine from retailer, opens the two dimensional code of package scan white wine body, the related personal letter of typing
Breath, is decrypted main chain information by disclosed consumer's public key, obtains the production, transport, storage, sales information of white wine,
The state of white wine is changed to ' consumption ' automatically, and is uploaded to main chain, main chain Status Change be σ 15=γ (σ 14, C (C,
t15))。
So far white wine completes the whole flow process from production firm to consumer, as shown in figure 4, the operator of links
Member checks father node and child node information in upload information, when finding that block information and actual information are inconsistent,
Trigger abnormal alarm.
As shown in figure 5, the device 200 of tracing to the source based on block chain of embodiment according to the present invention, is suitable for server, area
Block chain includes main chain system and side chain system, and device of tracing to the source includes: decryption unit 202, in the finger for receiving terminal transmission
After first two-dimensional barcode information of fixed output quota product, using consumption public key the product information in main chain system is decrypted, with generate with
The corresponding product traceability information of first two-dimensional barcode information；Transmission unit 204, for product traceability information to be sent to terminal,
In, product traceability information includes at least one in production information, storage information, transit information and sales information.
In the above embodiment, it is preferable that further include: modification unit 206, for receiving the first two-dimensional barcode information
Afterwards, the current state information of the appointed product in main chain system is revised as consumption status, and saved into main chain system.
In any of the above-described embodiment, it is preferable that further include: determination unit 208, the account letter for being received in detection
After breath is by verifying, the corresponding operating right of account information is determined；Modification unit 206 is also used to: getting appointed product
After identity information, the corresponding current state information of modification operating right, and saved after current state information is encrypted by code key
Into region chain.
In any of the above-described embodiment, it is preferable that further include: storage unit 210, for being the first permission in operating right
When, after the production information of appointed product is encoded by Hash, save using after the first private key encryption to side chain system
In system；Storage unit 210 is also used to: when operating right is the second permission, the current state information of appointed product being revised as
Binning state, and after being encoded by Hash, it saves using after the second private key encryption into main chain system；Storage unit
210 are also used to: when operating right is third permission, current state information being decrypted using the first public key, and will be current
Status information is revised as travel position, and after being encoded by Hash, saves using after third private key encryption to main chain
In system；Storage unit 210 is also used to: operating right be four permissions when, using the first public key to current state information into
Row decryption, and is revised as distribution state for current state information, and after being encoded by Hash, is added using the 4th private key
It saves after close into main chain system, wherein from the first permission to the 4th permission, Permission Levels are successively reduced.
In any of the above-described embodiment, it is preferable that main chain system include the operating right of associated user authority information and
Product traceability information, side chain system include product information, device of tracing to the source further include: the first updating unit 212 is used for real-time update
Data information in main chain system；Second updating unit 214 is updated in side chain system with according to preset renewal frequency timing
Data information.
In any of the above-described embodiment, it is preferable that further include: alarm unit 216, in detecting main chain system more
When new block data and corresponding father node data and/or son node number are according to mismatching, warning message is generated.
The server of embodiment according to the present invention, including memory, processor and storage on a memory and can located
The computer program run on reason device, processor realize that any one of the first aspect of the present invention is implemented when executing computer program
The source tracing method based on block chain of example.
The computer readable storage medium of embodiment according to the present invention is stored thereon with computer program, computer journey
The source tracing method based on block chain of any one embodiment of the first aspect of the present invention is realized when sequence is executed by processor.
Step in the method for the present invention can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in apparatus of the present invention can be combined, divided, and deleted according to actual needs.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of storing data.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of source tracing method based on block chain is suitable for server, which is characterized in that the block chain includes main chain system
With side chain system, the source tracing method includes:
After receiving the first two-dimensional barcode information of appointed product of terminal transmission, using consumption public key in the main chain system
Product information be decrypted, to generate corresponding with first two-dimensional barcode information product traceability information；
The product traceability information is sent to the terminal,
Wherein, the product traceability information includes status information, production information, storage information, transit information and the pin of product
Sell at least one in information.
2. the source tracing method according to claim 1 based on block chain, which is characterized in that further include:
After receiving first two-dimensional barcode information, the current state information of the appointed product in the main chain system is modified
For consumption status, and save into the main chain system.
3. the source tracing method according to claim 2 based on block chain, which is characterized in that further include:
After the account information that detection receives is by verifying, the corresponding operating right of the account information is determined；
After the identity information for getting the appointed product, the corresponding current state information of the operating right is modified, and will
The current state information saves after being encrypted by code key into the region chain.
4. the source tracing method according to claim 3 based on block chain, which is characterized in that the code key includes and current shape
The corresponding private key of state and public key corresponding with laststate, it is described after the identity information for obtaining the appointed product, it repairs
The corresponding current state information of the operating right is ordered, and is saved after the current state information is encrypted by code key to described
In the chain of region, specifically includes the following steps:
When the operating right is the first permission, the production information of the appointed product is encoded by Hash
Afterwards, it saves using after the first private key encryption into the side chain system；
When the operating right is the second permission, the current state information of the appointed product is revised as storage shape
State, and after being encoded by the Hash, using preservation after the second private key encryption into the main chain system；
When the operating right is third permission, the current state information is decrypted using the first public key, and by institute
It states current state information and is revised as travel position, and after being encoded by the Hash, after third private key encryption
It saves into the main chain system；
When the operating right is four permission, the current state information is decrypted using the first public key, and by institute
It states current state information and is revised as distribution state, and after being encoded by the Hash, after the 4th private key encryption
It saves into the main chain system,
Wherein, from first permission to the 4th permission, Permission Levels are successively reduced.
5. the source tracing method according to claim 4 based on block chain, which is characterized in that the main chain system includes correlation
The authority information of the operating right of user and the product traceability information, the side chain system includes product information, described
Source tracing method further include:
Data information in main chain system described in real-time update；
The data information in the side chain system is updated according to preset renewal frequency timing.
6. the source tracing method according to claim 4 based on block chain, which is characterized in that further include:
The block data updated in detecting the main chain system and corresponding father node data and/or son node number be not according to
Timing generates warning message.
7. the source tracing method according to any one of claim 3 to 6 based on block chain, which is characterized in that
The product identification information includes being set to first two-dimension code label at product appearance sealing, being set to the production
The third two dimension on the surface that second two-dimension code label on the surface of the packing case of product and the group for being set to the packing case are cased
Code label, first two-dimension code label, second two-dimension code label and the third two-dimension code label are interrelated, described
The surface of group vanning is additionally provided with the first RFID tag corresponding with the two-dimension code label, and with first RFID tag
Associated the second RFID tag being set on haulage vehicle.
8. a kind of device of tracing to the source based on block chain is suitable for server, which is characterized in that the block chain includes main chain system
With side chain system, the device of tracing to the source includes:
Decryption unit, for receive terminal transmission appointed product the first two-dimensional barcode information after, using consumption public key pair
Product information in the main chain system is decrypted, to generate product traceability letter corresponding with first two-dimensional barcode information
Breath；
Transmission unit, for the product traceability information to be sent to the terminal,
Wherein, the product traceability information includes at least one in production information, storage information, transit information and sales information
?.
9. the device of tracing to the source according to claim 8 based on block chain, which is characterized in that further include:
Unit is modified, for after receiving first two-dimensional barcode information, by working as the appointed product in the main chain system
Preceding status information is revised as consumption status, and saves into the main chain system.
10. the device of tracing to the source according to claim 9 based on block chain, which is characterized in that further include:
Determination unit, for determining the corresponding operation of the account information after the account information that detection receives is by verifying
Permission；
The modification unit is also used to: after the identity information for getting the appointed product, it is corresponding to modify the operating right
Current state information, and by the current state information by code key encrypt after save into the region chain；
Storage unit, for when the operating right is the first permission, the production information of the appointed product to be passed through Hash
After being encoded, save using after the first private key encryption into the side chain system；
The storage unit is also used to: when the operating right is the second permission, by the current shape of the appointed product
State information is revised as binning state, and after being encoded by the Hash, using preservation after the second private key encryption to institute
It states in main chain system；
The storage unit is also used to: when the operating right is third permission, using the first public key to the current state
Information is decrypted, and the current state information is revised as travel position, and after being encoded by the Hash,
It saves using after third private key encryption into the main chain system；
The storage unit is also used to: when the operating right is four permission, using the first public key to the current state
Information is decrypted, and the current state information is revised as distribution state, and after being encoded by the Hash,
It saves using after the 4th private key encryption into the main chain system,
Wherein, from first permission to the 4th permission, Permission Levels are successively reduced；
The main chain system include the operating right of associated user authority information and the product traceability information, the side
Catenary system includes product information, the device of tracing to the source further include:
First updating unit, for the data information in main chain system described in real-time update；
Second updating unit updates the data information in the side chain system with according to preset renewal frequency timing.
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Application publication date: 20190104 |