CN108364181A - Source tracing method and system based on block chain and Internet of Things mark - Google Patents
Source tracing method and system based on block chain and Internet of Things mark Download PDFInfo
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- CN108364181A CN108364181A CN201810016588.8A CN201810016588A CN108364181A CN 108364181 A CN108364181 A CN 108364181A CN 201810016588 A CN201810016588 A CN 201810016588A CN 108364181 A CN108364181 A CN 108364181A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present invention provides a kind of includes with the Internet of Things source tracing method that is combined of mark and system, this method based on block chain：Current accounting nodes generate the data of tracing to the source of the current commodity comprising commodity sign, and the data of tracing to the source are committed to the corresponding server of the accounting nodes；Data of tracing to the source described in current accounting nodes foundation generate record of tracing to the source, and the record of tracing to the source is committed in block chain and is broadcasted；It traces to the source described in data processing node verification the validity of record, when being verified, by the record deposit block chain of tracing to the source so that the data processing node receives trace to the source described in inquiry after the mark inquiry request that client is sent record and feedback query result.The present invention solve the problems, such as in supply of commodities chain the inquiry of the information of tracing to the source of commodity when a large amount of multiple participants collaborations carry out commodity circulation made with information anti-fake, anti-tamper problem.
Description
Technical field
The present invention relates to internet of things field more particularly to a kind of source tracing methods based on block chain and Internet of Things mark
And system.
Background technology
Today's society, food security, fake and inferior commodities are increasingly paid attention to by enterprise, government, consumer, for enterprise
The data of most objective reality can be taken out for side proves that the commodity of oneself production have a long-term outstanding quality, and enterprise with
Actively, transparent posture meets the supervision and test of consumer and all sectors of society, enhances the sense of duty of enterprise, has played enterprise
The subjective initiative of industry self-supervision can prevent serious accident, for consumers in face for monitoring party
The real high-quality commodity trusted can be more accurately selected when to dazzling commodity.
In the management of supply of commodities chain, we carry out in real time generally for the commodity of tracking in its entire Life cycle
The typing of circulation information is to carry out tracing management.For example, in retail trade, for each commodity such as boxed milk in production rank
The mark that their own is assigned when section, flows through on the way, commodity flow through different enterprises, and different enterprises has their own in commodity
Commodity are traced to the source based on commodity sign and information collection and are entered into the information system of their own by information system, enterprise, these
A large amount of information is again uncontrollable for manufacturing enterprise.
Therefore, tracing back during how accurate positionin in practical applications to commodity circulation when inquiry commodity trace to the source information
Source information and ensure that commodity are traced to the source the authenticity of information and anti-tamper, and how by being inquired according to the mark of certain part commodity
The information of historical record is to need at present to allow consumer to obtain it in the true information of tracing to the source of entire Life cycle
The problem solved.
Invention content
The present invention provide it is a kind of based on block chain with the Internet of Things source tracing method that is combined of mark and corresponding system.
In a first aspect, the present invention provides a kind of source tracing method being combined with Internet of Things mark based on block chain, the side
Method includes the following steps：
Current accounting nodes generate the data of tracing to the source of the current commodity comprising commodity sign, and the data of tracing to the source are submitted
To the corresponding server of the accounting nodes；
Data of tracing to the source described in current accounting nodes foundation generate record of tracing to the source, and the record of tracing to the source is committed to block chain
In and broadcast；
It traces to the source described in data processing node verification the validity of record, when being verified, by the record deposit of tracing to the source
Block chain described in inquiry after the mark inquiry request that data processing node reception client is sent so that trace to the source record simultaneously
Feedback query result.
Specifically, the data of tracing to the source include following one or more：
The identity information of the commodity side of producing and its identity information and its block chain of block chain account address, the commodity side of being transferred to
Account address, merchandise transfer time, be transferred the quantity of commodity.
Specifically, the record of tracing to the source includes following one or more：
The cryptographic Hash of the data of tracing to the source, current accounting nodes corresponding server address mark, the commodity side of producing area
Block chain account address, the block chain account address of the commodity side of being transferred to, record of tracing to the source described in generation timestamp.
Preferably, the validity of record of tracing to the source described in data processing node verification is traced back when being verified by described
Source record is stored in block chain so that after the mark inquiry request that data processing node reception client is sent described in inquiry
Record and feedback query are traced to the source as a result, specifically including：
Receive the verification result to the record of tracing to the source from verification node；
The verification result is detected using common recognition algorithm and obtains common recognition result；
When detecting that the quantity of the verification result reaches predetermined threshold value, the common recognition result is judged to reach common understanding,
It is then verified, and the record of tracing to the source is stored in block chain and is broadcasted；
Otherwise, judge that the common recognition result for that cannot reach common understanding, is then verified and do not passed through, and give up the record of tracing to the source.
Specifically, described receive from verification node to the verification result of the record of tracing to the source, specifically include：
Verification node is traced to the source described in obtaining after record, according to the validity for record of tracing to the source described in commodity sign verification,
If being verified, the record of tracing to the source is stored in the corresponding block of verification node simultaneously verifying broadcasts result.
Preferably, the verification node obtain described in trace to the source after record, according to note of tracing to the source described in commodity sign verification
The validity of record, specifically includes：
The address mark for verifying the corresponding server of current accounting nodes in tracing to the source record described in node foundation obtains
Take the data of tracing to the source；
The commodity sign in recording of tracing to the source described in the verification node foundation inquires the historical record in block chain to obtain
Each history, which is traced to the source, data and to be integrated each history data of tracing to the source；
It traces to the source according to each history the validity of record of tracing to the source described in data verification.
The historical record in commodity sign inquiry block chain specifically, the verification node is traced to the source according to described in record
It is traced to the source with to obtain each history and data and each history data of tracing to the source is integrated, specifically included：
The verification node is inquired block chain according to the commodity sign and corresponding with the commodity sign is respectively gone through with obtaining
History is traced to the source record；
The verification node is traced to the source according to each history records the address for obtaining each server corresponding with the commodity sign
The set of mark, and the set according to address mark obtains the corresponding each history of the commodity and traces to the source data.
Specifically, further including：
First accounting nodes generate the first data of tracing to the source for including the commodity sign, and the first data of tracing to the source are carried
Hand over server corresponding to the first accounting nodes；
The first record of tracing to the source is committed in block chain and is broadcasted by first accounting nodes.
Preferably, the first data of tracing to the source include following any one or more：
The number that time that the side of being transferred to and its identity information, commodity that commodity shift for the first time shift for the first time, commodity shift for the first time
Amount.
Specifically, the record of tracing to the source for the first time includes following any one or more：
The cryptographic Hash of the data of tracing to the source for the first time, the address of the corresponding server of the first accounting nodes, commodity are for the first time
It traces to the source for the first time described in the block chain account address of the side of being transferred to, generation the timestamp of record.
Specifically, the validity for record of tracing to the source described in the data processing node verification is traced back when being verified by described
Source record is stored in block chain so that after the mark inquiry request that data processing node reception client is sent described in inquiry
Record and the feedback query of tracing to the source are as a result, further include specifically：
The data processing node receives the mark inquiry request for the carrying commodity sign that user terminal is sent, and responds
Block chain is inquired in the mark inquiry request to trace to the source data to obtain history, and each history Data Integration of tracing to the source is generated into institute
State query result.
Preferably, described to inquire block chain in response to the mark inquiry request and traced to the source data with obtaining history, it will be described
Each history Data Integration of tracing to the source generates the query result, specifically includes：
Block chain is inquired according to the commodity sign, is traced to the source record with obtaining corresponding with the commodity sign each history；
The set for the address mark of record acquisition each server corresponding with commodity sign of tracing to the source according to each history；
Into the address logo collection of each server, the pointed server of each address mark obtains and the commodity sign
Corresponding each history is traced to the source data.
Specifically, the pointed server acquisition of each address mark and institute in the address logo collection to each server
It states the corresponding each history of commodity sign to trace to the source after data, further includes：
Trace to the source described in the record cryptographic Hash of data of tracing to the source according to each history judges tracing to the source in each server for getting
The validity of data；
If there are in the server of the cryptographic Hash node corresponding with the block of the data of tracing to the source recorded in a block
The cryptographic Hash for data of tracing to the source is different, then judges the data invalid of tracing to the source in the server of the corresponding node of the block, otherwise, judges
It is effective.
Specifically, the node that the accounting nodes are flowed through by the current commodity, generates tracing back for the current commodity
The record of tracing to the source simultaneously is stored in block chain by source record, and the verification node is to be carried out to the record of tracing to the source that the accounting nodes generate
The node verified and stored.
Specifically, further including：
The record of respectively tracing to the source that each node obtains current commodity to block chain in real time is traced back with updating storage in itself area is in the block
Source record.
Second aspect, the present invention provide a kind of traceability system being combined with Internet of Things mark based on block chain, the system
System includes interactive module and block chain module, and the block chain module includes accounting nodes, data processing node and verification
Node, modules and node specifically execute following content：
Accounting nodes：The data of tracing to the source of the current commodity comprising commodity sign are generated, and the data of tracing to the source are committed to
The corresponding server of the accounting nodes；Generate the cryptographic Hash of the data of tracing to the source comprising the current commodity and the current book keeping operation section
The record of tracing to the source of the corresponding server address of point, and the record of tracing to the source is committed in block chain；
Data processing node：It traces to the source described in card the validity of record, when being verified, by the record deposit area that traces to the source
Block chain；
Verify node：It traces to the source described in acquisition after record, according to the validity for record of tracing to the source described in commodity sign verification,
If being verified, the record of tracing to the source is stored in the corresponding block of verification node simultaneously verifying broadcasts result；
Interactive module：First interactive interface of the module interacted with block chain is provided, and clothes corresponding with each node are provided
Second interactive interface of business device interaction.
Compared with prior art, scheme provided by the invention has the advantage that：
The present invention provides a kind of source tracing method being combined with Internet of Things mark based on block chain, passes through current accounting nodes
The data of tracing to the source of the current commodity comprising commodity sign are generated, and the data of tracing to the source of the current commodity are committed to the clothes of oneself
Business device, while generating the cryptographic Hash and the corresponding server of the current accounting nodes of the data of tracing to the source comprising the current commodity
The record of tracing to the source of address, and be stored in block chain and broadcast after creating current block according to the record of tracing to the source；Data processing section
Whether point obtains the common recognition of the verification node of preset quantity according to record of tracing to the source described in common recognition proof of algorithm, if being verified,
The common recognition is broadcasted to block chain as a result, so that other accounting nodes, which will trace to the source to record according to the common recognition result, is stored in the area of itself
In block.Said program of the present invention, which solves commodity during supply chain management, traces to the source and traces back in the case of the multiple participants of full industrial chain
Source information is inquired and information anti-fake is made, anti-tamper problem.
The present invention records the common recognition for the verification node for whether obtaining preset quantity by knowing together to trace to the source described in proof of algorithm, greatly
Part of nodes carries out PBFT common recognition verifications to map record of tracing to the source, and has ensured can not forging, can not distorting for record of tracing to the source.It is looking into
Inquiry trace to the source record when, according to commodity sign, all information services corresponding with the commodity sign are obtained in block chain module
Device address set initiates the mark that corresponding inquiry request is finally inquired according to the information server address set of acquisition
All data of tracing to the source.
The present invention can carry out tracing back for commodity when a large amount of multiple participant collaborations carry out commodity circulation in supply of commodities chain
The inquiry of source information allows consumer to be inquired according to the part commodity sign and is traced back in the complete of whole life cycle with obtaining it
Source data, the record of tracing to the source for preventing commodity are tampered, and improve the safety that commodity are traced to the source.
The present invention is intended to provide the method for more rational identification information a registration and inquiry, solves supply chain management mistake
In journey commodity trace to the source trace to the source in the case of the multiple participants of full industrial chain information inquiry made with information anti-fake, anti-tamper problem.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is that a kind of of the present invention identifies a kind of embodiment flow of source tracing method being combined based on block chain with Internet of Things
Block diagram；
Fig. 2 is that a kind of of the present invention identifies a kind of embodiment flow of traceability system being combined based on block chain with Internet of Things
Block diagram；
Fig. 3 identifies block chain mould described in the traceability system being combined based on block chain for a kind of of the present invention with Internet of Things
The flow diagram of block.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Referring to Fig. 1, a kind of source tracing method being combined with Internet of Things mark based on block chain provided by the present invention, tool
In a kind of embodiment of body, specifically comprise the following steps：
S11, current accounting nodes generate the data of tracing to the source of the current commodity comprising commodity sign information, and trace to the source described
Data are committed to the corresponding server of the accounting nodes.
In the embodiment of the present invention, each node can be different enterprise, participant different in same enterprise, different
Different participating site in place, same enterprise.The accounting nodes are trace to the source data and the record of tracing to the source for generating commodity
Node and the node that the record of tracing to the source is committed to block chain.The commodity sign is that commodity are endowed only in generation phase
One property identification information, in flowing through on the way for commodity, commodity flow through different enterprises, and different enterprises can be based on the identification information
By in trace back Source Data Acquisition and the typing enterprise information system of itself of commodity, which is also used for tracing back for inquiry commodity
When source data is flowed through in order to commodity in consumer's hand, consumer can pass through each stage of the identification information pair commodity
Data of tracing to the source are inquired.
In the embodiment of the present invention, the data of tracing to the source include following one or more：The identity information of the commodity side of producing and
Its block chain account address, the identity information of the commodity side of being transferred to and its block chain account address, merchandise transfer time, be transferred
The quantity of commodity.The identity information is the true business identity of user.
Further, after the data of tracing to the source are committed to its corresponding server by the current accounting nodes, institute
It states trace to the source described in being had recorded in the corresponding server of current the accounting nodes partial data of data, the commodity and is transferred to Fang Yuzhuan
The one respective identity information of block chain account address for the side of going out, specifically includes the true business body of the commodity side of being transferred to and the side of producing
Part and the business relations etc. between block chain account address correspondence and user real identification.
In the embodiment of the present invention, after the current commodity is produced by manufacturing enterprise, the manufacturing enterprise is corresponding
Node, that is, first accounting nodes of the present invention are that the current commodity adds identification information.The first accounting nodes also generate
Include the first data of tracing to the source of the commodity sign, and the first data of tracing to the source are committed to the first accounting nodes and are corresponded to
Server；The first record of tracing to the source is committed in block chain and is broadcasted by first accounting nodes.
Specifically, the first data of tracing to the source include following any one or more：The side of being transferred to that commodity shift for the first time and
The quantity that time that its identity information, commodity shift for the first time, commodity shift for the first time.The record of tracing to the source for the first time includes following arbitrary
It is one or more：The cryptographic Hash of the data of tracing to the source for the first time, the address of the corresponding server of the first accounting nodes, commodity are first
It traces to the source for the first time described in the block chain account address of the secondary side of being transferred to, generation the timestamp of record.Due to coming for first accounting nodes
Say that the current commodity is produced, so no commodity side of producing and its block chain account address.
S12, current accounting nodes trace to the source according to described in data generate described in trace to the source record, and by the record submission of tracing to the source
To in block chain and broadcasting.
In the embodiment of the present invention, the record of tracing to the source includes following one or more：The cryptographic Hash of the data of tracing to the source, when
The address mark of preceding accounting nodes corresponding server, the block chain of the block chain account address of the commodity side of producing, the commodity side of being transferred to
It traces to the source described in account address, generation the timestamp of record.The accounting nodes are the record and should of tracing to the source of the current commodity
Record of tracing to the source is stored in the node of block chain, and the verification node is that the record of tracing to the source generated to the accounting nodes is verified simultaneously
The node of storage.
The corresponding server address of the present node is for being directed toward the corresponding server of present node, the current book keeping operation
The corresponding server of node can provide corresponding the complete of data of tracing to the source of current event of tracing to the source that current accounting nodes are submitted
Entire data.
In the embodiment of the present invention, by being registered to record of tracing to the source described in the submission of block chain to block chain, so that block chain
In each verification node record of tracing to the source described in being submitted is verified, further, the data processing node of block chain is examined
The verification result for surveying each verification node is judged by detecting the verification result of each verification node broadcasts according to common recognition algorithm
Whether the record of tracing to the source obtains the common recognition of the verification node of preset quantity.
In the embodiment of the present invention, the interface that each verification node is provided by interactive module is registered to block chain, is submitted
The record of tracing to the source.
S13, data processing node verify the validity of the current record of tracing to the source, will be described current when being verified
Record deposit block chain is traced to the source so that the data processing node inquires institute after receiving the mark inquiry request that client is sent
State trace to the source record and feedback query result.
In the embodiment of the present invention, the record of tracing to the source of commodity is committed in block chain and is broadcasted by the accounting nodes, described
Verification node verifies the record of tracing to the source and is broadcasted its verification result, the data processing node after obtaining the record of tracing to the source
Whether the verification result for detecting each verification node obtains the verification section of preset quantity according to record of tracing to the source described in common recognition algorithm judgement
The common recognition of point, if so, the common recognition result of the record of tracing to the source is broadcasted in block chain.The accounting nodes, verification node
And data processing node belongs to block chain module, the verification node is responsible for the data of tracing to the source submitted to the accounting nodes
It is verified, and data processing node is responsible for handling with the determination accounting nodes submission verification result for verifying node
Trace to the source record whether can be received and be stored in its corresponding block by other accounting nodes.
In the embodiment of the present invention, after the record of tracing to the source is committed to the block chain by the current accounting nodes, first
First verification is carried out to the record of tracing to the source by each verification node, if being verified, each node of verifying is traced to the source described
Record, which is packed into the block of oneself and broadcasts it to block chain, has received the verification result of the record of tracing to the source.
Further, the data processing node further verifies the record of tracing to the source, specific verification machine
System is verified by algorithm of knowing together.Specifically, the data processing node detects the verification result of each verification node, pass through
The verification result for obtaining each verification node detects the verification result using common recognition algorithm and obtains common recognition result.
Specifically, each verification node of the block chain is as follows the step of verification to the record of tracing to the source：
After verification node obtains the current record of tracing to the source, according to note of currently tracing to the source described in the commodity sign Information Authentication
The validity of record, if being verified, the current record of tracing to the source is stored in the corresponding block of verification node and is broadcasted should
The verification result of verification event.
Specifically, the verification node is according to the corresponding server of current accounting nodes in the current record of tracing to the source
Address mark obtains the current data of tracing to the source；The verification node is according to the commodity sign information in the current record of tracing to the source
Historical record in inquiry block chain is traced to the source with to obtain each history and data and is integrated to each history data of tracing to the source；According to each institute
History is stated to trace to the source the validity of record of currently tracing to the source described in data verification.
Further, the verification node according to the commodity sign information inquiry block chain to obtain and the commodity mark
Know the corresponding each history of information to trace to the source record；The verification node is traced to the source to record according to each history and be obtained and the commodity sign pair
The set of the address mark for each server answered, and the set according to address mark obtains the corresponding each history of the commodity and traces to the source
Data.
The verification node traces to the source after data are integrated to each history and traces to the source data verification institute according to the history after integrating
State the validity for record of tracing to the source.It, can be according to timestamp, the identity information of the commodity side of producing, the commodity side of being transferred in verification process
Identity information, generation signing messages carry out based on commodity amount, discuss circulation place, merchandise transfer event occur when
Between, customer service identity etc. carries out verification and traces to the source the authenticity of record.
Further, the data processing node detects the verification result of each verification node, receives from verification node pair
The verification result of the current record of tracing to the source；The verification result is detected using common recognition algorithm and obtains common recognition result；When detecting
When the quantity of the verification result reaches predetermined threshold value, judge that the common recognition result to reach common understanding, is then verified, and by institute
It states in current record deposit block chain of tracing to the source and broadcasts；Otherwise, judge that the common recognition result for that cannot reach common understanding, is then verified not
Pass through, and gives up the current record of tracing to the source.
In the embodiment of the present invention, after the data processing node broadcasts the common recognition result, other accounting nodes are then by institute
It states record of tracing to the source and is packed into the block of oneself, the record of tracing to the source is packed into the block of oneself by other accounting nodes, with toilet
State data processing node receive client send mark inquiry request after inquiry described in trace to the source record and feedback query result.
In the embodiment of the present invention, verification that record passes through the common recognition algorithm of block chain that each accounting nodes were submitted trace to the source
Later, the record of tracing to the source can be received by all nodes of block catenary system and be formed block one by one to be added to block chain
In, such a a block forms a chain, and cryptographic Hash of these blocks based on front and back block effectively connects.Work as user
It, can be by inputting the corresponding mark of the commodity when end such as consumption terminal needs to inquire the data of tracing to the source of some commodity
Know information to be inquired, the block chain module carries out inquiring block chain note according to the commodity sign after receiving the commodity sign
It records and returns to all data of tracing to the source corresponding with the mark of the commodity.
Specifically, it is described and feed back corresponding with the commodity sign each history in response to the inquiry request and trace to the source data,
It specifically includes：
The data processing node inquires block chain according to the commodity sign, corresponding with the commodity sign to obtain
Each history is traced to the source record；
It obtains the trace to the source address of the server in record of each history according to each history record of tracing to the source and identifies and integrate life
The set identified at the address of the corresponding server of the commodity sign；
Into the address logo collection of server, the pointed server of each address mark obtains and the commodity sign pair
Each history answered, which is traced to the source, data and to be integrated data of respectively tracing to the source.
In the embodiment of the present invention, the data processing node is respectively gone through to the acquisition of each server is corresponding with the commodity sign
History is traced to the source after data, it is also necessary to be verified to the trace to the source reliability of data of each history, is stored in each server with determination
Data of tracing to the source whether be tampered with.
In a kind of possible design, the preferred following scheme of the present invention tests the data of tracing to the source obtained in each server
Card：
Trace to the source according to each history trace to the source described in the record cryptographic Hash of data of the data processing node judges to get
The validity of data of tracing to the source in each server.
If specifically, the data processing node detect the presence of the cryptographic Hash of the data of tracing to the source recorded in a block with
The cryptographic Hash of data of tracing to the source in the server of the corresponding node of the block is different, then judges the service of the corresponding node of the block
Data invalid of tracing to the source in device, then the data of tracing to the source in the server of the corresponding node of the block be tampered, otherwise, judge that it is
Effectively.
In the embodiment of the present invention, the accounting nodes are the record and by the record of tracing to the source of tracing to the source for generating the current commodity
It is stored in the node of block chain, the verification node is the section that the record of tracing to the source that the accounting nodes generate is verified and stored
Point.Block chain mould all nodes in the block all can whereabouts the whole network of timing synchronize map record data of tracing to the source.
With reference to shown in figure 2 and Fig. 3, traces to the source with what Internet of Things mark was combined based on block chain the present invention also provides a kind of and be
System, in a kind of embodiment, the system comprises block chain module 11 and interactive module 12, the block chain module 11 includes note
Account node 111, data processing node 112 verify node 113, wherein
Accounting nodes 111：The current data of tracing to the source of the current commodity comprising commodity sign information are generated, and will be described current
Data of tracing to the source are committed to the corresponding server of the accounting nodes；Generate comprising the current commodity data of tracing to the source cryptographic Hash and
The current record of tracing to the source of the corresponding server address of the current accounting nodes, and the record of currently tracing to the source is committed to block
In chain.
In the embodiment of the present invention, each node can be different enterprise, participant different in same enterprise, different
Different participating site in place, same enterprise.The accounting nodes are trace to the source data and the record of tracing to the source for generating commodity
Node and the node that the record of tracing to the source is committed to block chain.
In the embodiment of the present invention, the data of tracing to the source include following one or more：The identity information of the commodity side of producing and
Its block chain account address, the identity information of the commodity side of being transferred to and its block chain account address, merchandise transfer time, be transferred
The quantity of commodity.The identity information is the true business identity of user.
Further, after the data of tracing to the source are committed to its corresponding server by the current accounting nodes, institute
It states trace to the source described in being had recorded in the corresponding server of current the accounting nodes partial data of data, the commodity and is transferred to Fang Yuzhuan
The one respective identity information of block chain account address for the side of going out, specifically includes the true business body of the commodity side of being transferred to and the side of producing
Part and the business relations etc. between block chain account address correspondence and user real identification.
In the embodiment of the present invention, after the current commodity is produced by manufacturing enterprise, the manufacturing enterprise is corresponding
Node, that is, first accounting nodes of the present invention are that the current commodity adds identification information.The first accounting nodes also generate
Include the first data of tracing to the source of the commodity sign, and the first data of tracing to the source are committed to the first accounting nodes and are corresponded to
Server；The first record of tracing to the source is committed in block chain and is broadcasted by first accounting nodes.
Specifically, the first data of tracing to the source include following any one or more：The side of being transferred to that commodity shift for the first time and
The quantity that time that its identity information, commodity shift for the first time, commodity shift for the first time.The record of tracing to the source for the first time includes following arbitrary
It is one or more：The cryptographic Hash of the data of tracing to the source for the first time, the address of the corresponding server of the first accounting nodes, commodity are first
It traces to the source for the first time described in the block chain account address of the secondary side of being transferred to, generation the timestamp of record.Due to coming for first accounting nodes
Say that the current commodity is produced, so no commodity side of producing and its block chain account address.
In the embodiment of the present invention, the record of tracing to the source further includes following one or more：
The block chain account address of the commodity side of producing, the block chain account address of the commodity side of being transferred to, note of tracing to the source described in generation
The timestamp of record.The accounting nodes are the section for recording and the record of tracing to the source being stored in block chain of tracing to the source of the current commodity
Point, the verification node are the node that the record of tracing to the source that the accounting nodes generate is verified and stored.
The corresponding server address of the present node is for being directed toward the corresponding server of present node, the current book keeping operation
The corresponding server of node can provide corresponding the complete of data of tracing to the source of current event of tracing to the source that current accounting nodes are submitted
Entire data.
In the embodiment of the present invention, by being registered to record of tracing to the source described in the submission of block chain to block chain, so that block chain
In each verification node record of tracing to the source described in being submitted is verified, further, the data processing node of block chain is examined
The verification result for surveying each verification node detects the verification result using common recognition algorithm and obtains common recognition result；When detecting
When the quantity of the verification result reaches predetermined threshold value, judge that the common recognition result to reach common understanding, is then verified, and by institute
It states in current trace to the source record deposit block chain and broadcast and broadcasts；Otherwise, judge the common recognition result for that cannot reach common understanding, then
Verification does not pass through, and gives up the current record of tracing to the source.
In the embodiment of the present invention, the interface provided by interactive module is registered to block chain, note of tracing to the source described in submission
Record.
Data processing node 112：Testing for preset quantity whether is obtained according to record of currently tracing to the source described in common recognition proof of algorithm
The common recognition of card node broadcasts the common recognition as a result, so that other accounting nodes are according to the common recognition if being verified to block chain
As a result the record that will currently trace to the source is stored in the block of itself.
In the embodiment of the present invention, after the record of tracing to the source is committed to the block chain by the current accounting nodes, first
First verification is carried out to the record of tracing to the source by each verification node, if being verified, each node of verifying is traced to the source described
Record, which is packed into the block of oneself and broadcasts it to block chain, has received the verification result of the record of tracing to the source.
Further, the data processing node further verifies the record of tracing to the source, specific verification machine
System is verified by algorithm of knowing together.Specifically, the data processing node is received from verification node to the note of tracing to the source
The verification result of record；The verification result is detected using common recognition algorithm and obtains common recognition result；When detecting the verification result
When quantity reaches predetermined threshold value, judge that the common recognition result to reach common understanding, is then verified, and the record of tracing to the source is stored in
In block chain and broadcast；Otherwise, judge that the common recognition result for that cannot reach common understanding, is then verified and do not passed through, and give up described trace back
Source record.
Further, after other accounting nodes obtain the common recognition result, the record of tracing to the source is stored in the area of itself
In block.
In the embodiment of the present invention, the data processing node is additionally operable to receive the carrying commodity sign that user terminal is sent
Inquiry request, and feed back corresponding with commodity sign query result, the query result packet in response to the inquiry request
History corresponding with the commodity sign is included to trace to the source data.
In the embodiment of the present invention, verification that record passes through the common recognition algorithm of block chain that each accounting nodes were submitted trace to the source
Later, the record of tracing to the source can be received by all nodes of block catenary system and be formed block one by one to be added to block chain
In, such a a block forms a chain, and cryptographic Hash of these blocks based on front and back block effectively connects.Work as user
It, can be by inputting the corresponding mark of the commodity when end such as consumption terminal needs to inquire the data of tracing to the source of some commodity
Know information to be inquired, the block chain module carries out inquiring block chain note according to the commodity sign after receiving the commodity sign
It records and returns to all data of tracing to the source corresponding with the mark of the commodity.
Specifically, it is described and feed back corresponding with the commodity sign each history in response to the inquiry request and trace to the source data,
It specifically includes：
The data processing node inquires block chain according to the commodity sign, corresponding with the commodity sign to obtain
Each history is traced to the source record；
It obtains the trace to the source address of the server in record of each history according to each history record of tracing to the source and identifies and integrate life
The set identified at the address of the corresponding server of the commodity sign；
Into the address logo collection of server, the pointed server of each address mark obtains and the commodity sign pair
Each history answered, which is traced to the source, data and to be integrated data of respectively tracing to the source to generate the query result.
In the embodiment of the present invention, the data processing node is respectively gone through to the acquisition of each server is corresponding with the commodity sign
History is traced to the source after data, it is also necessary to be verified to the trace to the source reliability of data of each history, is stored in each server with determination
Data of tracing to the source whether be tampered with.
In a kind of possible design, the preferred following scheme of the present invention tests the data of tracing to the source obtained in each server
Card：
Trace to the source according to each history trace to the source described in the record cryptographic Hash of data of the data processing node judges to get
The validity of data of tracing to the source in each server.
If specifically, the data processing node detect the presence of the cryptographic Hash of the data of tracing to the source recorded in a block with
The cryptographic Hash of data of tracing to the source in the server of the corresponding node of the block is different, then judges the service of the corresponding node of the block
Data invalid of tracing to the source in device, then the data of tracing to the source in the server of the corresponding node of the block be tampered, otherwise, judge that it is
Effectively.
In the embodiment of the present invention, block chain mould all nodes in the block all can timing whereabouts the whole network synchronize trace to the source mapping note
Record data.
Verify node 113：After obtaining the current record of tracing to the source, currently trace back according to described in the commodity sign Information Authentication
The current record of tracing to the source is stored in the corresponding block of verification node and wide by the validity of source record if being verified
Broadcast verification result.
In the embodiment of the present invention, the verification node mainly executes the record of tracing to the source submitted to a accounting nodes and carries out just
The record of tracing to the source is packed into the block of oneself, so that the data processing node obtains by the verification of step when being verified
The verification result of each verification node carries out the further verification based on common recognition algorithm.
Specifically, each verification node of the block chain is as follows the step of verification to the record of tracing to the source：
Each verification node of the block chain is traced to the source record described in obtaining, and according to the commodity sign verify described in trace to the source
The record of tracing to the source is stored in the corresponding block of verification node simultaneously verifying broadcasts by the validity of record if being verified
As a result.
Further, it traces to the source described in each verification node acquisition after record, traces back according to described in commodity sign verification
The validity of source record, specifically includes：
It is described verification node according to described in trace to the source record in the corresponding server of current accounting nodes address identify to
Described address identifies data of tracing to the source described in pointed server acquisition；
The verification node is inquired block chain according to the commodity sign and corresponding with the commodity sign is respectively gone through with obtaining
History is traced to the source record；
The verification node obtains according to each history record of tracing to the source and provides each history of the commodity and trace to the source the services of data
The set of the address mark of device, and according to the set of the address mark quotient is obtained to the pointed server of each address mark
The corresponding each history of product is traced to the source data；
The verification node traces to the source after data are integrated to each history and traces to the source data verification institute according to the history after integrating
State the validity for record of tracing to the source.It, can be according to timestamp, the identity information of the commodity side of producing, the commodity side of being transferred in verification process
Identity information, generation signing messages carry out based on commodity amount, discuss circulation place, merchandise transfer event occur when
Between, customer service identity etc. carries out verification and traces to the source the authenticity of record.
Interactive module 12：First interactive interface of the module interacted with block chain is provided, and is provided corresponding with each node
Second interactive interface of server interaction.
In the embodiment of the present invention, the interactive module provides the first interactive interface with block chain module so that each node
Registered to block chain by the first interface, and server corresponding with each node the second interactive interface so that each
Node obtains data of tracing to the source, each corresponding server of node and the interactive module by second interactive interface to each server
Between pass through second interactive interface be associated with.
The interactive module it is also required to provide interactive interface cooperation block chain module and carry out looking into for subsequent article mark together
It askes to obtain data of tracing to the source.In addition, participant's commodity that the interactive module is also responsible for corresponding to block chain account address produce
The identity information management of side and the commodity side of being transferred to, including the true business identity in the commodity side of producing and the commodity side of being transferred to and area
Block chain address correspondence is safeguarded and the business relations etc. between the commodity side of producing and the commodity side of being transferred to true identity, and
In the case of mandate, the submission situation for data of tracing to the source described in supervision and audit.
Based on the above embodiments it is found that the maximum advantageous effect of the present invention is：
The present invention provides a kind of source tracing method being combined with Internet of Things mark based on block chain, passes through current accounting nodes
The data of tracing to the source of the current commodity comprising commodity sign are generated, and the data of tracing to the source of the current commodity are committed to the clothes of oneself
Business device, while generating the cryptographic Hash and the corresponding server of the current accounting nodes of the data of tracing to the source comprising the current commodity
The record of tracing to the source of address, and be stored in block chain and broadcast after creating current block according to the record of tracing to the source；Data processing section
Whether point obtains the common recognition of the verification node of preset quantity according to record of tracing to the source described in common recognition proof of algorithm, if being verified,
The common recognition is broadcasted to block chain as a result, so that other accounting nodes, which will trace to the source to record according to the common recognition result, is stored in the area of itself
In block.Said program of the present invention, which solves commodity during supply chain management, traces to the source and traces back in the case of the multiple participants of full industrial chain
Source information is inquired and information anti-fake is made, anti-tamper problem.
The present invention can carry out tracing back for commodity when a large amount of multiple participant collaborations carry out commodity circulation in supply of commodities chain
The inquiry of source information allows consumer to be inquired according to the part commodity sign and is traced back in the complete of whole life cycle with obtaining it
Source data, the record of tracing to the source for preventing commodity are tampered, and improve the safety that commodity are traced to the source.
One of ordinary skill in the art will appreciate that all or part of step of above-described embodiment be can by program come
Relevant hardware is instructed to complete, which can be stored in a computer readable storage medium, and storage medium may include：
Read-only memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic
Disk or CD etc..
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment is can to pass through journey
Sequence instructs the relevant hardware to complete, and the program can be stored in a kind of computer readable storage medium, mentioned above
Storage medium can be read-only memory, disk or CD etc..
Above to it is provided by the present invention it is a kind of based on block chain and Internet of Things mark source tracing method and system carry out
It is discussed in detail, for those of ordinary skill in the art, the thought of embodiment according to the present invention, in specific implementation mode and application
There will be changes in range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (16)
1. identifying the source tracing method being combined with Internet of Things based on block chain, which is characterized in that described method includes following steps：
Current accounting nodes generate the data of tracing to the source of the current commodity comprising commodity sign, and the data of tracing to the source are committed to this
The corresponding server of accounting nodes；
Data of tracing to the source described in current accounting nodes foundation generate record of tracing to the source, and the record of tracing to the source is committed in block chain simultaneously
Broadcast；
It traces to the source described in data processing node verification the validity of record, when being verified, by the record deposit block of tracing to the source
Chain is so that the data processing node receives to trace to the source described in inquiry after the mark inquiry request that client is sent record and feeds back
Query result.
2. method according to claim 1, which is characterized in that the data of tracing to the source include following one or more：
Identity information and its block chain account address, the identity information of the commodity side of being transferred to and its block chain account of the commodity side of producing
Address, merchandise transfer time, be transferred the quantity of commodity.
3. method according to claim 1, which is characterized in that the record of tracing to the source includes following one or more：
The cryptographic Hash of the data of tracing to the source, current accounting nodes corresponding server address mark, the commodity side of producing block chain
Account address, the block chain account address of the commodity side of being transferred to, record of tracing to the source described in generation timestamp.
4. method according to claim 1, which is characterized in that trace to the source the effective of record described in the data processing node verification
Property, when being verified, by the record deposit block chain of tracing to the source so that the data processing node receives client transmission
Mark inquiry request after inquiry described in trace to the source record and feedback query as a result, specifically including：
Receive the verification result to the record of tracing to the source from verification node；
The verification result is detected using common recognition algorithm and obtains common recognition result；
When detecting that the quantity of the verification result reaches predetermined threshold value, judge that the common recognition result to reach common understanding, is then tested
Card passes through, and the record of tracing to the source is stored in block chain and is broadcasted；
Otherwise, judge that the common recognition result for that cannot reach common understanding, is then verified and do not passed through, and give up the record of tracing to the source.
5. method according to claim 4, which is characterized in that described receive tests the record of tracing to the source from verification node
Card is as a result, specifically include：
It verifies after tracing to the source record described in node acquisition, according to the validity for record of tracing to the source described in commodity sign verification, if testing
Card passes through, then the record of tracing to the source is stored in the corresponding block of verification node simultaneously verifying broadcasts result.
6. method according to claim 5, which is characterized in that after record of tracing to the source described in the verification node acquisition, according to institute
The validity for stating record of tracing to the source described in commodity sign verification, specifically includes：
The address mark for verifying the corresponding server of current accounting nodes in tracing to the source record described in node foundation obtains institute
State data of tracing to the source；
The historical record that the commodity sign in recording is inquired in block chain of tracing to the source described in the verification node foundation is respectively gone through with obtaining
History, which is traced to the source, data and to be integrated each history data of tracing to the source；
It traces to the source according to each history the validity of record of tracing to the source described in data verification.
7. method according to claim 6, which is characterized in that the commodity mark in record of tracing to the source described in the verification node foundation
Know the historical record in inquiry block chain and traced to the source with to obtain each history and data and each history data of tracing to the source is integrated, it is specific to wrap
It includes：
The verification node is traced back according to commodity sign inquiry block chain with obtaining each history corresponding with the commodity sign
Source record；
The verification node is traced to the source according to each history records the address mark for obtaining each server corresponding with the commodity sign
Set, and the set according to address mark obtains the corresponding each history of the commodity and traces to the source data.
8. method according to claim 1, which is characterized in that further include：
First accounting nodes generate the first data of tracing to the source for including the commodity sign, and the first data of tracing to the source are committed to
The corresponding server of the first accounting nodes；
The first record of tracing to the source is committed in block chain and is broadcasted by first accounting nodes.
9. method according to claim 8, which is characterized in that the first data of tracing to the source include following any one or more
：
The quantity that time that the side of being transferred to and its identity information, commodity that commodity shift for the first time shift for the first time, commodity shift for the first time.
10. method according to claim 8, which is characterized in that the record of tracing to the source for the first time includes following any one or more
：
The cryptographic Hash of the data of tracing to the source for the first time, the address of the corresponding server of the first accounting nodes, commodity are transferred to for the first time
The block chain account address of side, record of tracing to the source for the first time described in generation timestamp.
11. method according to claim 1, which is characterized in that record of tracing to the source described in the data processing node verification has
Effect property, when being verified, by the record deposit block chain of tracing to the source so that the data processing node receives client hair
Record and feedback query are traced to the source as a result, further including specifically described in inquiry after the mark inquiry request sent：
The data processing node receives the mark inquiry request for the carrying commodity sign that user terminal is sent, and in response to institute
Mark inquiry request inquiry block chain is stated to trace to the source data to obtain history, by each history trace to the source Data Integration generate described in look into
Ask result.
12. according to claim 11 the method, which is characterized in that described to inquire block chain in response to the mark inquiry request
It is traced to the source data with obtaining history, each history Data Integration of tracing to the source is generated into the query result, is specifically included：
Block chain is inquired according to the commodity sign, is traced to the source record with obtaining corresponding with the commodity sign each history；
The set for the address mark of record acquisition each server corresponding with commodity sign of tracing to the source according to each history；
Into the address logo collection of each server, the pointed server of each address mark obtains corresponding with the commodity sign
Each history trace to the source data.
13. according to claim 12 the method, which is characterized in that each address in the address logo collection to each server
The pointed server acquisition each history corresponding with the commodity sign of mark is traced to the source after data, further includes：
Trace to the source described in the record cryptographic Hash of data of tracing to the source according to each history judges data of tracing to the source in each server for getting
Validity；
If there are tracing to the source in the server of the cryptographic Hash node corresponding with the block of the data of tracing to the source recorded in a block
The cryptographic Hash of data is different, then judges the data invalid of tracing to the source in the server of the corresponding node of the block, otherwise, judge that it is
Effectively.
14. method according to claim 1, which is characterized in that the section that the accounting nodes are flowed through by the current commodity
Point generates tracing to the source for the current commodity and records and the record of tracing to the source is stored in block chain, and the verification node is to described
The node that the record of tracing to the source of accounting nodes generation is verified and stored.
15. method according to claim 1, which is characterized in that further include：
Each node obtains the record of respectively tracing to the source of current commodity to update storage in itself area note in the block of tracing to the source to block chain in real time
Record.
16. identifying the traceability system being combined with Internet of Things based on block chain, which is characterized in that the system comprises interactive modules
And block chain module, the block chain module include accounting nodes, data processing node and verification node, modules and
Node specifically executes following content：
Accounting nodes：The data of tracing to the source of the current commodity comprising commodity sign are generated, and the data of tracing to the source are committed to the note
The corresponding server of account node；Generate the cryptographic Hash of the data of tracing to the source comprising the current commodity and the current accounting nodes pair
The record of tracing to the source for the server address answered, and the record of tracing to the source is committed in block chain；
Data processing node：It traces to the source described in card the validity of record, when being verified, by the record deposit block of tracing to the source
Chain；
Verify node：It traces to the source described in acquisition after record, according to the validity for record of tracing to the source described in commodity sign verification, if testing
Card passes through, then the record of tracing to the source is stored in the corresponding block of verification node simultaneously verifying broadcasts result；
Interactive module：First interactive interface of the module interacted with block chain is provided, and server corresponding with each node is provided
The second interactive interactive interface.
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