CN106790431A - Cloud manufacturing service Transaction Information record system and method based on block chain - Google Patents
Cloud manufacturing service Transaction Information record system and method based on block chain Download PDFInfo
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- CN106790431A CN106790431A CN201611102782.5A CN201611102782A CN106790431A CN 106790431 A CN106790431 A CN 106790431A CN 201611102782 A CN201611102782 A CN 201611102782A CN 106790431 A CN106790431 A CN 106790431A
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
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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 relates to a kind of cloud manufacturing service Transaction Information record system and method based on block chain, the system includes multiple accounting nodes, and multiple accounting nodes are in communication with each other to form record node net, and each accounting nodes includes：Billing info database, transaction block chain database, book keeping operation authority competition module, Transaction Information summarization generation module, transaction block chain generation module, transaction block chain update module；The method is applied to record node net, the record node net includes multiple accounting nodes being in communication with each other, the book keeping operation authority that each accounting nodes is fought in different billing cycles by competitive way, the method includes Transaction Information recording process and Transaction Information inquiring and authenticating process.Compared with prior art, present invention improves over the method and data structure of data record in cloud manufacturing service process of exchange, the non-repudiation of transaction, and inquiry verification can be conveniently realized.
Description
Technical field
The present invention relates to a kind of Transaction Information recording method, handed over more particularly, to a kind of cloud manufacturing service based on block chain
Easy data logging system and method.
Background technology
Cloud manufacture is abstracted into cloud service with the concept of " manufacture is serviced ", manufacturing recourses, manufacturing capacity enterprise ---
Manufacturing service, enterprise provides all kinds of manufacturing services, is the offering customers service for having demand.Cloud is fabricated to manufacture resource sharing and carries
A kind of effective solution is supplied.
Cloud manufacture is general to be realized by a cloud manufacturing platform.Typical cloud manufacturing platform such as day intelligence net etc. domestic at present.
The enterprise (cloud manufacturing service provider) for providing service and the enterprise (party in request of cloud manufacturing service) for needing service pass through interconnection
Net is linked into this platform, there is provided the enterprise of service issues cloud manufacturing service by platform, it is necessary to the enterprise of service passes through platform
Find service.After suitable service provider is found, the transaction of manufacturing service is carried out, complete manufacturing service.
The Transaction Information of cloud manufacturing service is all particularly significant for cloud manufacturing service provider and party in request, is an enterprise
Show its service ability, the important evidence to service enterprise's services reputation evaluation etc..Need a kind of safe and reliable service transacting
The record system of information is recorded, and can conveniently be inquired about.
For example, certain enterprise can process certain is difficult to the part of processing, and transaction can be completed in a relatively short time
(delivery), quality can also reach requirement, illustrate that the manufacturing capacity of the enterprise is strong；And certain often drags the phase to deliver goods or delivery quality
Underproof enterprise, then be in a disadvantageous position in cloud manufacturing service selection course.
Block chain is a kind of distributed open account book technology, and block chain technology safeguards one ever-increasing point jointly in many ways
Cloth data record, these data protect content and sequential by cryptological technique so that either party is difficult to tamper with, denies,
Fake.For narrow sense, block chain is a kind of data block to be combined into specific data knot in the way of chain sequentially in time
Structure, and general ledger (Decentralized is shared in the decentralization that can not be distorted He can not forge ensured in cryptography mode
Shared ledger), can store safely it is simple, have precedence relationship, the data that can be verified in system.
Chinese patent CN101098236 discloses the exchange management method between a kind of distributed p 2 p entity, adopts
Transaction data is recorded with a kind of CPU of concentration.It is have a core to look forward to that this intensive recording mode is embodied in
Industry (such as cloud manufacturing service platform) possesses the record power of transaction data, is the drawbacks of this mode：
1st, book keeping operation inconsistence problems.For some process of exchanges, account book record side (such as cloud manufacturing service platform) meeting is concentrated
Recorded, and each transaction enterprise oneself can also be recorded, if accounting data is inconsistent in query process, be then difficult to
Judged to be defined by that；
2nd, some enterprises are unwilling to be supplied to concentration unit of account data for the thought of transaction privacy, cause information not
Entirely；
3rd, concentrate the Query Cost of account book higher, inquiry needs to concentrate account book record side (such as cloud manufacturing service platform) to unite
One offer interface is simultaneously authorized.It is sometimes to do a simple queries to the historical trading of enterprise to be also required to cumbersome examination ＆ verification
Process.
Chinese patent CN105761143A discloses a kind of method of the multi-party credit record of building together based on block chain, entirely
The role that credit system is participated in is divided into support third party and data owner, and support third party is responsible for building for basic communication system
Formulate and realize with technical standard, data owner provides credit record.But do not have for the concrete application in cloud manufacture field
Relate to, the content to being recorded is not described yet, and there is third party and third-party authentication, the patent can not be applied directly
To the data record of cloud manufacturing process.
Chinese patent CN105912618A discloses a kind of charging pile charging transaction means of communication based on block chain, belongs to
Application of the block chain technology in charging transaction field.The patent cannot be directly used to cloud manufacture field.
Chinese patent CN105488675A discloses a kind of Distributed sharing general ledger construction method of block chain, concludes the business by handing over
Easily pair chain and transaction main chain is verified respectively.The patent needs to produce the secondary chain of transaction, for the checking of Transaction Inquiries, there is number
Increase according to amount, the problems such as data handling procedure is cumbersome, there are the secondary chains of multiple transaction and also easily produce data collision, cause verification to be stranded
It is difficult.
The content of the invention
The purpose of the present invention provides a kind of based on block chain for the defect for overcoming above-mentioned prior art to exist
Cloud manufacturing service Transaction Information record system and method, are that the Transaction Information of cloud manufacturing service process is carried based on block chain technology
A kind of distributed record system is supplied, and there is provided related recording method, in improving cloud manufacturing service process of exchange
The method and data structure of data record, can conveniently realize the non-repudiation of transaction, and inquiry verification, overcome transaction letter
The opaque, data of breath have differences, search efficiency is low and high cost problem.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of cloud manufacturing service Transaction Information record system based on block chain, including multiple accounting nodes, multiple book keeping operation
Node is in communication with each other to form record node net, and each accounting nodes includes：
Billing info database, the transaction record for storing own node；
Transaction block chain database, for store transaction block chain；
Book keeping operation authority competition module, for the book keeping operation authority fought in different billing cycles by competitive way；
Transaction Information summarization generation module, for generating a transaction record after the action that closes a deal, and storage is arrived
Billing info database；Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；Saved using itself
Open in record node net the whole network after the private key encryption Transaction Information summary of point, remaining accounting nodes can receive this and add
Transaction Information summary after close；
Transaction block chain generation module, in current billing cycle, and own node is when possessing book keeping operation authority, record
New disclosed Transaction Information summary and disclose the accounting nodes of Transaction Information summary in whole record node net, formation one
New transaction block；New transaction block is attached to after the transaction block chain of own node memory storage together with timestamp, shape
The transaction block chain of Cheng Xin, and notified in record node net the whole network；
Transaction block chain update module, for using P2P technologies the new trading post formed in node net the whole network will to be recorded
Block chain synchronized update is in own node.
Described each accounting nodes also include inquiry accounting information module, and inquiry accounting nodes E is needed for working asxIn the time
txWith the presence or absence of transaction record dxWhen, inquired about in the transaction block chain for concluding the business block chain database purchase in own node and obtained
Time txThe transaction block of correspondence billing cycle；In time txInquiry is with the presence or absence of correspondence in the transaction block of correspondence billing cycle
Time txAccounting nodes ExTransaction Information summary, if not, then it represents that accounting nodes ExIn time txIn the absence of transaction record dx,
If so, using accounting nodes ExThe Transaction Information summary that external public key is obtained to inquiry is decrypted, by the friendship after decryption
Easy information Digest Authentication accounting nodes ExIn time txThere is transaction record dx。
The inquiry accounting information module is additionally operable to：
Obtain accounting nodes ExThe transaction record of offer, accounting nodes E is obtained using the computational methods of informative abstractxThere is provided
Transaction record corresponding Transaction Information summary, by accounting nodes ExThe corresponding Transaction Information summary of transaction record and the solution of offer
Transaction Information summary after close is contrasted, if comparing result is consistent, then it represents that accounting nodes ExThe transaction record of offer is true
Real, conversely, being then false.
The inquiry accounting information module is additionally operable to：
When to accounting nodes ExWhen the transaction record of offer is verified as true, relevant this transaction is dynamic in obtaining transaction record
Other the related accounting nodes made, related accounting information is inquired about for related accounting nodes, carries out auxiliary checking.
A kind of cloud manufacturing service Transaction Information recording method based on block chain, is applied to record node net, the record
Node net includes multiple accounting nodes being in communication with each other, and each accounting nodes is fought in different billing cycles by competitive way
Book keeping operation authority, the method includes Transaction Information recording process；
The Transaction Information recording process is comprised the following steps：
101：Any accounting nodes close a deal after acting and generate a transaction record, and store；
Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；
It is open in record node net the whole network after being made a summary using the private key encryption Transaction Information of own node, remaining book keeping operation
Node can receive the summary of the Transaction Information after the encryption；
102：In current billing cycle, newly disclosed in the whole record node net of accounting nodes record for possessing book keeping operation authority
Transaction Information summary and disclose the Transaction Information summary accounting nodes, formation one new transaction block；
New transaction block is attached to after the transaction block chain of own node memory storage together with timestamp, is formed new
Transaction block chain, and notified in record node net the whole network；
103：Each accounting nodes will record the new transaction block chain synchronization formed in node net the whole network using P2P technologies
Update in own node.
The method also includes Transaction Information inquiring and authenticating process；
The Transaction Information inquiring and authenticating process is comprised the following steps：
201：When any accounting nodes need inquiry accounting nodes ExIn time txWith the presence or absence of transaction record dxWhen, certainly
Inquiry obtains time t in the transaction block chain of body node memory storagexThe transaction block of correspondence billing cycle；
202：In time txInquiry is with the presence or absence of correspondence time t in the transaction block of correspondence billing cyclexAccounting nodes Ex
Transaction Information summary, if not, then it represents that accounting nodes ExIn time txIn the absence of transaction record dx, if so, performing step 203；
203：Using accounting nodes ExExternal public key is decrypted to the Transaction Information summary that step 202 inquiry is obtained,
By the Transaction Information Digest Authentication accounting nodes E after decryptionxIn time txThere is transaction record dx。
The competitive way is using PoW technologies or the competitive way of PoS technologies.
The Transaction Information inquiring and authenticating process also includes step 204：
Obtain accounting nodes ExThe transaction record of offer, accounting nodes E is obtained using the computational methods of informative abstractxThere is provided
Transaction record corresponding Transaction Information summary, by accounting nodes ExThe corresponding Transaction Information summary of transaction record and the solution of offer
Transaction Information summary after close is contrasted, if comparing result is consistent, then it represents that accounting nodes ExThe transaction record of offer is true
Real, conversely, being then false.
The Transaction Information inquiring and authenticating process also includes step 205：
When to accounting nodes ExWhen the transaction record of offer is verified as true, relevant this transaction is dynamic in obtaining transaction record
Other the related accounting nodes made, for related accounting nodes repeat step 201~204, carry out auxiliary checking.
The method that the computational methods of described information summary use the cryptographic Hash for calculating transaction record.
Compared with prior art, the present invention has advantages below：
1) based on block chain technology, for the Transaction Information of cloud manufacturing service process provides a kind of distributed record system
System, and there is provided related recording method, improves method and data knot that cloud makes data record during service transacting
Structure, can conveniently realize the non-repudiation of transaction, and inquiry verification, overcome the defect for concentrating book keeping operation, and Transaction Information
Opaque, data have differences, search efficiency is low and high cost problem.
2) using distributed bookkeeping methods, the counterparty (manufacturing service provider or manufacturing service party in request) of internal system
Can be a node, each node records the data (Transaction Information summary) of relationship trading on cloud manufacturing platform.It is logical
Cross it is corresponding authorize, it is necessary to the enterprise of inquiry can be inquired about these historical trading datas, understanding is intended to cooperate the friendship of enterprise
Easy history, facilitates the service search of cloud manufacturing service enterprise, service to compare and is established with service relation.
3) what the system designed by was recorded is that, by the transaction summarization information of encryption, so on the one hand will not expose friendship
Easy detail, enterprise is ready disclosure.The transaction summarization of record is encrypted with enterprise's private key, if necessary to inquire about, it is necessary to
Authorized.Still further aspect, the whole network docket can make the data volume of block chain small, be easy to the whole network synchronization.
4) " intelligent contract " part in block chain link, that is, what general technology of relative block chain, simplify
Data can be just added in block chain.The present invention uses the pattern of a kind of " first recording, rear verification ".Namely each node can be with
The transaction data (by summary and encryption) of oneself is published, is then recorded (as long as before record after the competition of each node
Confirmation is that the node E in network N sends), record after block chain, just form the historical impression of non-repudiation；Need
When inquiry, each node just takes out real transaction record data.If going through in this transaction data and block chain
History data are not met, that is bright its is lied.
5) present invention supports the inquiry of multi-party verification, that is to say, that Trading parties oneself record the Transaction Information of oneself, must
Can be taken out when wanting and be matched (step 205 in query process), so carry out verification.For example, A supplies to B, that
A can record oneself and supply an inferior goods to B, and B can also be recorded and an inferior goods was bought from A, and so, A and B can be disclosed once
Transaction record, can all record in block chain.If it is necessary, enterprise C can obtain Transaction Information to A and B respectively, if both sides
Transaction record information can match, illustrate A to B the supply of material be physical presence.
6) without third-party concept, each node is reciprocity to the present invention, voluntarily can be added in whole network；
The present invention is the record authority that each node obtains data by certain competitive way (such as PoW or PoS) simultaneously, then same again
The whole network is walked, without manual intervention.
Brief description of the drawings
Fig. 1 is the structural representation of the cloud manufacturing service Transaction Information record system based on block chain；
Fig. 2 is the simplified flowchart of Transaction Information recording process；
Fig. 3 is the simplified flowchart of Transaction Information inquiring and authenticating process；
Fig. 4 is the flow chart that the present invention is applied to Transaction Information record between the enterprise on cloud manufacturing service platform；
Fig. 5 is the flow chart that the present invention is applied to Transaction Information inquiring and authenticating between the enterprise on cloud manufacturing service platform.
In figure：1st, billing info database, 2, transaction block chain database, 3, book keeping operation authority competition module, 4, transaction letter
Breath summarization generation module, 5, transaction block chain generation module, 6, transaction block chain update module, 7, inquiry accounting information module.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, a kind of cloud manufacturing service Transaction Information record system based on block chain includes multiple accounting nodes,
Multiple accounting nodes are in communication with each other to form record node net, and each accounting nodes includes：
Billing info database 1, the transaction record for storing own node；
Transaction block chain database 2, for store transaction block chain；
Book keeping operation authority competition module 3, for the book keeping operation authority fought in different billing cycles by competitive way, competition side
Formula is using PoW technologies or the competitive way of PoS technologies；
Transaction Information summarization generation module 4, for generating a transaction record after the action that closes a deal, and storage is arrived
Billing info database 1；Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；Using itself
After the private key encryption Transaction Information summary of node, open in record node net the whole network, remaining accounting nodes can receive this
Transaction Information summary after encryption；
Transaction block chain generation module 5, in current billing cycle, and own node is when possessing book keeping operation authority, note
New disclosed Transaction Information summary and disclose the accounting nodes of Transaction Information summary in the whole record node net of record, formation one
Individual new transaction block；New transaction block is attached in own node into block chain database 2 of concluding the business together with timestamp to store
Transaction block chain after (in chronological order successively), form new transaction block chain, and notified in record node net the whole network
Other nodes come synchronization；
Transaction block chain update module 6, for using P2P technologies the new trading post formed in node net the whole network will to be recorded
Transaction block chain database 2 in block chain synchronized update to own node.
Each accounting nodes also includes inquiry accounting information module 7, and inquiry accounting nodes E is needed for working asxIn time txIt is
It is no to there is transaction record dxWhen, when inquiry is obtained in the transaction block chain of the storage of block chain database 2 of being concluded the business in own node
Between txThe transaction block of correspondence billing cycle；In time txWhen being inquired about in the transaction block of correspondence billing cycle with the presence or absence of to correspondence
Between txAccounting nodes ExTransaction Information summary, if not, then it represents that accounting nodes ExIn time txIn the absence of transaction record dxIf,
It is, using accounting nodes ExThe Transaction Information summary that external public key is obtained to inquiry is decrypted, by the transaction after decryption
Informative abstract checking accounting nodes ExIn time txThere is transaction record dx。
Inquiry accounting information module 7 is additionally operable to：
Obtain accounting nodes ExThe transaction record of offer, accounting nodes E is obtained using the computational methods of informative abstractxThere is provided
Transaction record corresponding Transaction Information summary, by accounting nodes ExThe corresponding Transaction Information summary of transaction record and the solution of offer
Transaction Information summary after close is contrasted, if comparing result is consistent, then it represents that accounting nodes ExThe transaction record of offer is true
Real, conversely, being then false.
Inquiry accounting information module 7 is additionally operable to：
When to accounting nodes ExWhen the transaction record of offer is verified as true, relevant this transaction is dynamic in obtaining transaction record
Other the related accounting nodes made, related accounting information is inquired about for related accounting nodes, carries out auxiliary checking.
A kind of cloud manufacturing service Transaction Information recording method based on block chain, is applied to record node net as shown in Figure 1,
The book keeping operation authority that each accounting nodes is fought in different billing cycles by competitive way, the method was recorded including Transaction Information
Journey and Transaction Information inquiring and authenticating process,
As shown in Fig. 2 Transaction Information recording process is by Transaction Information summarization generation module 4, transaction block chain generation module 5
Cooperated with transaction block chain update module 6 and realized, comprised the following steps：
101：Any accounting nodes are closed a deal after acting and are generated using the Transaction Information summarization generation module 4 of itself
One transaction record, and store；
Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；
It is open in record node net the whole network after being made a summary using the private key encryption Transaction Information of own node, remaining book keeping operation
Node can receive the summary of the Transaction Information after the encryption；
102：In current billing cycle, the accounting nodes for possessing book keeping operation authority are remembered using block chain generation module 5 of concluding the business
New disclosed Transaction Information summary and disclose the accounting nodes of Transaction Information summary in the whole record node net of record, formation one
Individual new transaction block；
New transaction block is attached to after the transaction block chain of own node memory storage together with timestamp, is formed new
Transaction block chain, and notified in record node net the whole network；
103：Each accounting nodes will record the new transaction block chain synchronization formed in node net the whole network using P2P technologies
Update in own node.
Into during next billing cycle, each accounting nodes competes module 3 again through competing using authority of keeping accounts
The mode of striving fights for book keeping operation authority.
As shown in figure 3, Transaction Information inquiring and authenticating process is realized by inquiry accounting information module 7, comprise the following steps：
201：When any accounting nodes need inquiry accounting nodes ExIn time txWith the presence or absence of transaction record dxWhen, certainly
Inquiry obtains time t in the transaction block chain of body node memory storagexThe transaction block of correspondence billing cycle；
202：In time txInquiry is with the presence or absence of correspondence time t in the transaction block of correspondence billing cyclexAccounting nodes Ex
Transaction Information summary, if not, then it represents that accounting nodes ExIn time txIn the absence of transaction record dx, if so, performing step 203；
203：Using accounting nodes ExExternal public key is decrypted to the Transaction Information summary that step 202 inquiry is obtained,
By the Transaction Information Digest Authentication accounting nodes E after decryptionxIn time txThere is transaction record dx；
204：Further, accounting nodes E is obtainedxThe transaction record of offer, the computational methods using informative abstract are remembered
Account node ExThe corresponding Transaction Information summary of transaction record of offer, by accounting nodes ExThe corresponding transaction of transaction record of offer
Informative abstract is contrasted with the Transaction Information summary after decryption, if comparing result is consistent, then it represents that accounting nodes ExThere is provided
Transaction record is real, conversely, being then false；
205：Further, when to accounting nodes ExWhen the transaction record of offer is verified as true, have in acquisition transaction record
Other related accounting nodes of this transaction movement are closed, for related accounting nodes repeat step 201~204, auxiliary is carried out and is tested
Card.
It is applied to as a example by cloud manufacturing service platform with system in the process of the present invention below, is illustrated.
1st, basic composition
The basic structure of Transaction Information record system is shown in Fig. 1.In figure, E1、E2、E3、EiBook keeping operation section one by one is represented respectively
Point, the composition such as E of each accounting nodesiStructure.E1、E2、E3Composition structure and EiSimilar, whole system can have many
Similar EiNode, be in communication with each other by internet, these nodes constitute whole record node net N.
Each enterprise for participating in cloud manufacturing service platform can possess one or more accounting nodes.Each book keeping operation section
Point E1,E2,…EiThere is a pair of secret keys of oneself, be respectively private key and public key.Public key the whole network of each accounting nodes discloses (net
There is node to both know about in network N).
According to the method for block chain technology, the transaction block chain database 2 in each node have recorded whole cloud manufacture clothes
Transaction Information on business platform between all enterprises, these information sequentially form chain structure according to exchange hour.
According to the method for block chain technology, each accounting nodes E1、E2、E3、EiDeng transaction block chain database 2 be all
" consistent " (it is so-called consistent, it is exactly Complete Synchronization at a certain time interval.This time interval can preferably be taken as 10
Minute), it is one " block chain ".Data in transaction block chain database 2 are made a summary by recording Transaction Information one by one
The chain that block is constituted sequentially in time.
2nd, the record of transaction
When enterprise close a deal action need record when, transaction content can be formed the backward whole net of informative abstract
Network is announced, and then whole network fights for record power by way of competition；The node for obtaining record power completes to record and be added to
New block chain is formed after current block chain, then whole network is synchronized, the block chain data of each node are consistent.
Transaction movement is included but is not limited to：Contract conclusion, delivery, goods of completion during cloud manufacturing service are matched somebody with somebody
Send, complete Single Maintenance service etc..
The Transaction Information for being recorded is included but is not limited to：Service provider in time, the transaction of transaction, the clothes in transaction
Content (such as converted products title, processing quantity, single-piece work time, time of delivery), transaction is entrusted to comment in business party in request, transaction
Valency (such as up-to-standard rate, delivery on time rate, drag time phase).
Basic process such as Fig. 4.
Step1:Enterprise's action that closes a deal (has such as signed contract, or has completed and once supply in cloud platform
Deng), it is necessary to be recorded.
Step2:Process of exchange information forms a transaction record, and record can include trading object, exchange hour, contract
The amount of money (if the action signed a contract), the delivery content such as title and quantity (if delivery action).
The particular content of transaction record oneself is stored in billing info database 1 by each node, is used for inquiry.
Step3:The certain methods according to disclosed in block chain, form the informative abstract of this transaction record.It is typical a kind of
The method of informative abstract is exactly the cryptographic Hash for calculating transaction data record, such as uses SHA256 methods.
Informative abstract is encrypted rear the whole network and discloses by the private key of node, after each node can receive this encryption
Informative abstract.
Step4:According to the general technology of block chain, each accounting nodes by certain competitive way (it is typical such as PoW or
PoS technologies), obtain book keeping operation authority.The accounting nodes of book keeping operation authority are obtained in not recorded block chain in whole network N
New transaction information summary (in network either with or without the transaction summarization after each node encrytion for recording) be combined into one it is new
Block, and necessary identifying code and timestamp are added using technology disclosed in block chain, this new block is added to originally
Transaction block chain behind, form new transaction block chain.
Step5:After forming new transaction block chain, the accreditation of each node is (because accounting nodes are obtained by competitive way
Take record authority), other nodes (referring to the node for not obtaining book keeping operation authority) utilize " transaction block chain update module 6 " this
The New Transaction block chain data syn-chronization of individual cycle generation is in the transaction block chain database 2 of oneself.All sections in so the whole network N
Point E1,E2,…,EiTransaction block chain database 2 it is all consistent.
Step6:The technology according to disclosed in block chain, starts the billing cycle of next round.
The transaction record made due to cloud on service transacting platform is high not as financial sector to requirement of real-time, and
The method that the present invention uses " first recording, rear verification ", therefore billing cycle may be referred to time of bit coin and is set as 10
Minute, or can be with longer.
Because a trade fair is related in many ways, in many ways can be with this Transaction Information of separate records.For example, contract conclusion,
The both sides that contract is related to can contract of record conclude this Transaction Information.Therefore, using the transaction of different nodes in the present invention
The Transaction Information of the record of block chain database 2 can be mutually authenticated in the future.
Explanation of nouns：
PoW (Proof of Work, proof of work), is a kind of book keeping operation authority distribution mechanism in block chain.Calculate energy
Power is stronger, is more possible to obtain book keeping operation authority.
PoS (Proof of Stake, rights and interests are proved), by possessing the T/A of ideal money, or is used in
The time of net and trading volume are foundation distributes book keeping operation authority.
SHA256 is a kind of method for calculating cryptographic Hash.Cryptographic Hash is used as to represent the unique of the fixed size of mass data
Value.Two groups of cryptographic Hash of data should just be matched only when corresponding data is also matched.A small amount of change of data can be in cryptographic Hash
Produce unpredictable a large amount of changes.The cryptographic Hash size of SHA256 algorithms is 256.
3rd, the inquiry of transaction
When needing inquiry, the transaction of certain Liang Ge enterprise in network N can be inquired by inquiring about accounting information module 7
Historical data.Assuming that enterprise A possesses node E1, whether the transaction record that he needs to inquire about certain enterprise B is that very (B whether there is
Cross this time transaction).Main flow is as shown in Figure 5.
Step1:A will confirm whether B carried out certain transaction in certain time t.
Step2:Enterprise B informs A first, certain node, it is assumed that E2 is the node of the enterprise.
Step3:A can be in oneself E1Node E is inquired according to time t in the transaction block chain database 2 of node2Whether
Carried out certain transaction.
Step4:A inquires this block, and gets E from the informative abstract of block chain2Current transaction summarization
Information.
Step5:A utilizes E2Public key the transaction summarization information in block is decrypted, the information after being decrypted is plucked
Will.Know node E2Really current transaction (being at least at that time that the whole network is disclosed current transaction) was carried out
(Step3~step5 can be carried out in the case where B is not involved in, that is to say, that each node can verify other
Whether certain transaction of node is disclosed.)
Step6:Further, B can provide E2The transaction record original text for being recorded, and A is using the algorithm of informative abstract
(such as SHA256) is to E2The transaction record original text for being recorded carries out informative abstract calculating, and the Transaction Information summary result for obtaining is conciliate
Transaction Information summary result of the close record in transaction block chain database 2 is consistent, illustrates that transaction record is genuine.
Step7:Further, A can inquire about the Transaction Information of other enterprises for specifically concluding the business related to B to be aided in
Checking (for example, a contract conclusion is the action of both sides, therefore can verify the Transaction Information of both sides, so as to confirm transaction
Authenticity).
Claims (10)
1. a kind of cloud manufacturing service Transaction Information record system based on block chain, it is characterised in that including multiple accounting nodes,
Multiple accounting nodes are in communication with each other to form record node net, and each accounting nodes includes：
Billing info database, the transaction record for storing own node；
Transaction block chain database, for store transaction block chain；
Book keeping operation authority competition module, for the book keeping operation authority fought in different billing cycles by competitive way；
Transaction Information summarization generation module, for generating a transaction record after the action that closes a deal, and stores to book keeping operation
Information database；Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；Using own node
It is open in record node net the whole network after private key encryption Transaction Information summary, after remaining accounting nodes can receive the encryption
Transaction Information summary；
Transaction block chain generation module, in current billing cycle, and own node, when possessing book keeping operation authority, record is whole
In record node net new disclosed Transaction Information summary and disclose the accounting nodes of Transaction Information summary, formation one is new
Transaction block；New transaction block is attached to after the transaction block chain of own node memory storage together with timestamp, forms new
Transaction block chain, and record node net the whole network in notify；
Transaction block chain update module, for using P2P technologies the new transaction block chain formed in node net the whole network will to be recorded
Synchronized update is in own node.
2. system according to claim 1, it is characterised in that described each accounting nodes also include inquiry accounting information mould
Block, inquiry accounting nodes E is needed for working asxIn time txWith the presence or absence of transaction record dxWhen, block chain of being concluded the business in own node
Inquiry obtains time t in the transaction block chain of database purchasexThe transaction block of correspondence billing cycle；In time txCorrespondence book keeping operation
Inquiry is with the presence or absence of correspondence time t in the transaction block in cyclexAccounting nodes ExTransaction Information summary, if not, then it represents that note
Account node ExIn time txIn the absence of transaction record dx, if so, using accounting nodes ExThe transaction that external public key is obtained to inquiry
Informative abstract is decrypted, by the Transaction Information Digest Authentication accounting nodes E after decryptionxIn time txThere is transaction record dx。
3. system according to claim 2, it is characterised in that the inquiry accounting information module is additionally operable to：
Obtain accounting nodes ExThe transaction record of offer, accounting nodes E is obtained using the computational methods of informative abstractxThe friendship of offer
Corresponding Transaction Information summary is easily recorded, by accounting nodes ExAfter the corresponding Transaction Information summary of transaction record of offer and decryption
Transaction Information summary contrasted, if comparing result is consistent, then it represents that accounting nodes ExThe transaction record of offer be it is real,
Conversely, being then false.
4. system according to claim 3, it is characterised in that the inquiry accounting information module is additionally operable to：
When to accounting nodes ExWhen the transaction record of offer is verified as true, relevant this transaction movement in acquisition transaction record
Other related accounting nodes, related accounting information is inquired about for related accounting nodes, carries out auxiliary checking.
5. a kind of cloud manufacturing service Transaction Information recording method based on block chain, it is characterised in that be applied to record node net,
The record node net includes multiple accounting nodes being in communication with each other, and each accounting nodes fights for different book keeping operations by competitive way
Book keeping operation authority in cycle, the method includes Transaction Information recording process；
The Transaction Information recording process is comprised the following steps：
101：Any accounting nodes close a deal after acting and generate a transaction record, and store；
Using the computational methods of informative abstract, Transaction Information summary is generated according to transaction record；
It is open in record node net the whole network after being made a summary using the private key encryption Transaction Information of own node, remaining accounting nodes
The summary of the Transaction Information after the encryption can be received；
102：In current billing cycle, the accounting nodes for possessing book keeping operation authority record new disclosed friendship in whole record node net
Easy informative abstract and disclose the accounting nodes of Transaction Information summary, one new transaction block of formation；
New transaction block is attached to after the transaction block chain of own node memory storage together with timestamp, new transaction is formed
Block chain, and notified in record node net the whole network；
103：Each accounting nodes will record the new transaction block chain synchronized update formed in node net the whole network using P2P technologies
To in own node.
6. method according to claim 5, it is characterised in that the method also includes Transaction Information inquiring and authenticating process；
The Transaction Information inquiring and authenticating process is comprised the following steps：
201：When any accounting nodes need inquiry accounting nodes ExIn time txWith the presence or absence of transaction record dxWhen, in itself section
Inquiry obtains time t in the transaction block chain of point memory storagexThe transaction block of correspondence billing cycle；
202：In time txInquiry is with the presence or absence of correspondence time t in the transaction block of correspondence billing cyclexAccounting nodes ExFriendship
Easy informative abstract, if not, then it represents that accounting nodes ExIn time txIn the absence of transaction record dx, if so, performing step 203；
203：Using accounting nodes ExExternal public key is decrypted to the Transaction Information summary that step 202 inquiry is obtained, by solution
Transaction Information Digest Authentication accounting nodes E after closexIn time txThere is transaction record dx。
7. method according to claim 6, it is characterised in that the competitive way is competing using PoW technologies or PoS technologies
Strive mode.
8. method according to claim 6, it is characterised in that the Transaction Information inquiring and authenticating process also includes step
204：
Obtain accounting nodes ExThe transaction record of offer, accounting nodes E is obtained using the computational methods of informative abstractxThe friendship of offer
Corresponding Transaction Information summary is easily recorded, by accounting nodes ExAfter the corresponding Transaction Information summary of transaction record of offer and decryption
Transaction Information summary contrasted, if comparing result is consistent, then it represents that accounting nodes ExThe transaction record of offer be it is real,
Conversely, being then false.
9. method according to claim 8, it is characterised in that the Transaction Information inquiring and authenticating process also includes step
205：
When to accounting nodes ExWhen the transaction record of offer is verified as true, relevant this transaction movement in acquisition transaction record
Other related accounting nodes, for related accounting nodes repeat step 201~204, carry out auxiliary checking.
10. method according to claim 5, it is characterised in that the computational methods of described information summary are concluded the business using calculating
The method of the cryptographic Hash of record.
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