CN109636598A - A kind of data interactive method based on block chain - Google Patents
A kind of data interactive method based on block chain Download PDFInfo
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- CN109636598A CN109636598A CN201811300949.8A CN201811300949A CN109636598A CN 109636598 A CN109636598 A CN 109636598A CN 201811300949 A CN201811300949 A CN 201811300949A CN 109636598 A CN109636598 A CN 109636598A
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Abstract
The invention discloses a kind of data interactive methods based on block chain of computer software technical field, including step 1: user carries out role's registration by data terminal agent node, and role includes data writer, data requirements person and data notary；Step 2: providing data protocol according to the registration role of step 1；Step 3: data interaction being carried out according to the data protocol of step 2, the contract provided using block chain provides data trade service.Guarantee that system is reliable and stable and safety is available using block chain technology and distributed system, using block chain technology use information safe practice guarantee system information safety, openly, available and high-performance.Under the transaction platform using the data interactive method provided by the present invention based on block chain, the demander of the supplier of data, the notary of data and data pass through intelligent contract, balance benefits of different parties, realize the win-win of data interaction.
Description
Technical field
The invention belongs to computer software technical fields, and in particular to a kind of data interactive method based on block chain.
Background technique
Under the overall background of " internet+", the transaction cost that faces of traditional data interactive system construction is high, information security
The problems such as servicing bottleneck with centralization.The reliability of centralized system relies on the stability of central database.In centralized system
In, the performance bottleneck or Single Point of Faliure of service can all seriously affect whole system availability.The transaction of traditional data interactive system
Process by its it is internal operate, user can not know trade detail, and there are the possibility of black-box operation, authenticity to data and legal
Property threatens.
Therefore we be badly in need of a kind of method solve the problems, such as data authenticity and legitimacy it is poor.
Summary of the invention
Goal of the invention of the invention is: the stabilization of central database is relied on for the reliability of above-mentioned centralized system
Property, in centralized system, the performance bottleneck or Single Point of Faliure of service can all seriously affect whole system availability, data of uniting
The transaction flow of interactive system is proposed a kind of based on block by its internal operation, the problem of authenticity and the legitimacy difference of data
The data interactive method of chain.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of data interactive method based on block chain, described method includes following steps:
Step 1: user carries out role's registration by data terminal agent node, and role includes data writer, data requirements person
With data notary；
Step 2: providing data protocol according to the registration role of step 1；
Step 3: data interaction is carried out according to the data protocol of step 2.
Preferably, the registration information of the data terminal agent node of the step 1 includes User ID, source IP, data age
Property and credit worthiness.
Preferably, the data protocol in the step 2 includes supply agreement, commission supply agreement and public voting agreement.
Preferably, the data protocol in the step 2 includes data element, data time of origin, data type, award name
List, data writer, notarization end time, the public voting number upper limit, legal public voting ratio, enquiry fee, inquiry's list, data are write
The person's of entering bonus, data requirements person's bonus, data writer cash pledge, data notary bonus, participant's signed data, data write-in
Person and data notary's credit worthiness condition, data writer and data notary blacklist and decaying rule.
Preferably, the data interaction in the step 3 includes the following steps:
Step 3.1: data writer actively is created for answering agreement, provides data according to format as defined in agreement；
Step 3.2: data requirements person actively proposes data requirements, creation commission supply agreement, and related money reward is arranged；Data are write
The person's of entering input data, data notary vote to data；
Step 3.3: data requirements person is actively entered data, creates public voting agreement, and agreement invitation data notary votes；
Step 3.4: data writer and data notary are after data are verified effectively, and whether data requirements person needs to pay for setting
Take, data cost of use is equally arranged in the data that data requirements person actively generates, data requirements person.
Working principle: user passes through data terminal agent node first and registers, the registration information of user have User ID,
Source IP, data age and credit worthiness etc..The role of user's client enrollment has: data writer, data requirements person and data are public
Witness, user can register one or more roles.Data writer can be by data requirements person after needing to be registered to system
It checks and calls, data writer is the supplier of truthful data.Data requirements person is the terminal consumer for obtaining truthful data,
Demand can be actively proposed by contract, and data with existing also can be used.Data notary votes to the authenticity of data,
System provides public voting agreement, ensures defeated authenticity.There are three types of the agreements of type: data writer is created for assist spontaneous
View；Data requirements person acts on behalf of creation commission supply agreement；Data requirements person acts on behalf of creation and by data notary directly to problem
The public voting agreement of final result is chosen in answer in a vote.The data that data protocol generates user are stored in block chain, are links
Block chain intelligence contract is automatically generated, in public voting link, generates public voting intelligence contract.In data query link, generates data and look into
Ask intelligent contract.User passes through intelligent contract and completes data interaction.All data of user's input are stored in block chain, data service
Node also backs up a data, is used to Optimizing Queries efficiency.The data of data serving node can obtain and extensive from block chain
It is multiple.Data protocol contents have: data element, data time of origin, data type, award list, data writer, notarization terminate
Time, the public voting number upper limit, legal public voting ratio, enquiry fee, inquiry's list, data writer bonus, data requirements person's prize
Gold, data writer cash pledge, data notary bonus, participant's signed data, data writer and data notary's prestige
Degree condition, data writer and data notary blacklist and decaying rule etc..
Data writers actively is created for answering agreement, provides data according to format as defined in agreement, data content with it is aforementioned
The data protocol contents are identical.After data writer provides data, group intelligence verifying is carried out to data by data notary.
According to proof rule, judge whether data are authentic and valid.Data notary's voting results meet final result, then data are notarized
People can obtain certain money reward.Data requirements person pays certain expense as data usage charges.Data requirements person can actively mention
Data requirements out, creation commission supply agreement, and related money reward is set.Data writer's input data, data notary's logarithm
According to voting, the voting mechanism of for example aforementioned supply agreement of process.Data requirements person is actively entered data, creation public voting association
View.Agreement invitation data notary votes, the voting mechanism of for example aforementioned supply agreement of process.Data are made a profit, data
Writer and data notary can be set whether data requirements person needs to pay after data are verified effectively.Data requirements
Data cost of use equally can be set in the data that person actively generates, data requirements person.The contract provided using block chain, is provided
Data trade service.Guarantee that system is reliable and stable and safety is available using block chain technology and distributed system, uses block chain
Technology use information safe practice guarantee system information safety, openly, available and high-performance.Under the transaction platform, data
The demander of supplier, the notary of data and data pass through intelligent contract, balance benefits of different parties, realize being total to for data interaction
It wins.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, the contract provided using block chain provides data trade service.Utilize block chain technology and distributed system
Blanket insurance demonstrate,proves that system is reliable and stable and safety is available, using block chain technology use information safe practice guarantee system information safety,
Open, available and high-performance.
2, under the transaction platform using the data interactive method provided by the present invention based on block chain, the offer of data
The demander of person, the notary of data and data pass through intelligent contract, balance benefits of different parties, realize the win-win of data interaction.
Detailed description of the invention
Fig. 1 is data interaction schematic diagram of the invention；
Fig. 2 is the overall architecture schematic diagram of the distributed transaction system based on block chain；
Fig. 3 is the data protocol operation schematic diagram in the present invention.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
As shown in Fig. 2, the overall architecture of " the distributed transaction system based on block chain ", system are divided into terminal agent node, number
According to service node, storage-type block chain, trade type block chain.
Based on the distributed transaction system shown in Fig. 2 based on block chain, the content in conjunction with shown in Fig. 1 and Fig. 3 implements this hair
A kind of data interactive method based on block chain of bright proposition, system rely on bottom block chain and Distributed database service system,
Data notarization mechanism handles notary's ballot, and voting records are stored in block chain.Data contract is stored in block chain.User's phase
Information is closed to save in Distributed database service system.
Automation protocol (ISCAP) is acted on behalf of, the packing to system is provided, provides API for upper layer application.Provide commission
Supply protocol interface, notarization ballot interface, user data query service.
Data query service externally provides data query API, by summarizing data register contract and indexing the letter of contract
Breath gives one uniform data Content query service of user.According to querying condition and inquiry expense, data are inquired, according to
Contract distributes inquiry expense, records user query behavior.
The agreement of three types, the supply agreement of the spontaneous creation of data writer are provided；Data requirements person acts on behalf of creation
Commission supply agreement；Data requirements person acts on behalf of creation, oneself input data, and is directly chosen in a vote to problem answers by notary
The public voting agreement of final structure.
System automatically generates all kinds of block chain intelligence contracts according to the condition that user inputs.System only assists user to complete number
It is all recorded on block chain according to processes, users such as input, notarization ballot, data queries in the total data that whole flow process generates,
It can not distort.Its process is as follows:
When user creates agreement, the data of the system person of writing data into are stored in storage-type block chain, and are confirmed by user's signature, are
System generates unique ID of the data, and is stored in trade type block chain；System is to generate public voting on trade type block chain intelligently to close
About, data content, data ID and the corresponding public voting intelligence contract that data notary issues according to system, trade.It is public
It throws after self energy contract meets voting results, system is by each data notary vote information, data ID and data notarization condition
Storage-type block chain is stored in voting results；System is according to Automatic generation of information such as querying condition, data ID, distribution of awards ratios
The block chain intelligence contract of data query.Later data query person, it is only necessary to be traded with the contract.
Every part of data have unique hash value as data ID, data protocol the main contents include:
The true time of origin of data: the attribute is exactly the actual time that event occurs for supplying agreement, and for commission
It is to be specified in advance by data requirements person for supply agreement, public voting agreement does not support the attribute.
Data type: multinomial Selective type, binary type, value type, text type etc..
Money reward list: the creation to agreement each time, data requirements person can be set in user, data notary, data are write
The money reward ratio for the person of entering, after data notarization, system records the list of participant, and carries out by the money reward allocation proportion set
Distribution.
Furthermore the content of data protocol is also: notarization terminates reality, the public voting number upper limit, legal public voting ratio, enquiry fee
With, inquiry's list, data writer bonus, data requirements person's bonus, data writer cash pledge, data notary bonus, ginseng
With person's signed data, data writer and data notary's credit worthiness condition, data writer and the black name of data notary
Single and decaying rule etc..
Money reward mechanism, the money reward of data protocol is commission supply agreement and the creation of public voting agreement, and data ginseng is arranged
With the money reward ratio of person；The data requirements person of creation agreement needs to submit a money reward, can also set demand addition person and pay
Money reward and founder's money reward ratio；Threshold value can be arranged in system, prevent founder's ratio too high, influence demand addition person into
Enter；In data money reward after being notarized, according to the pro rate set；
Data directory, system establish two kinds of indexes, the first is accurate match index, to each part of data, according to data content
And organized formats, system establish unique hash value, and establish data directory according to hash value, when user search, according to input
Querying condition returns to unique data result.Second is user's fuzzy query index, and system analyzes vocabulary according to data content,
Inverted index is established, user uses TD-IDF algorithm, searches most matching result.
Data notarization mechanism, data notary carry out group intelligence verifying to data.According to proof rule: when data notarization
Between, notary's quantity limitation, legal public voting ratio, judge whether data authentic and valid；Data notary needs the throwing to oneself
Ticket result carries out Signature Confirmation；Data notary's voting results meet final result, then data notary can obtain it is certain
Money reward.Subsequent data requirements person pays certain expense as data usage charges, and a part of data usage charges is used to distribute
Give data notary.System does credit worthiness according to data notary voting results and final data result and carries out programming count, right
The notarial credit worthiness of data carries out mean value computation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of data interactive method based on block chain, which is characterized in that described method includes following steps:
Step 1: user carries out role's registration by data terminal agent node, and role includes data writer, data requirements person
With data notary；
Step 2: providing data protocol according to the registration role of step 1；
Step 3: data interaction is carried out according to the data protocol of step 2.
2. the data interactive method according to claim 1 based on block chain, it is characterised in that: the data of the step 1
The registration information of terminal agent node includes User ID, source IP, data age and credit worthiness.
3. the data interactive method according to claim 1 based on block chain, it is characterised in that: the number in the step 2
It include supply agreement, commission supply agreement and public voting agreement according to agreement.
4. the data interactive method according to claim 1 based on block chain, it is characterised in that: the number in the step 2
It include data element, data time of origin, data type, award list, data writer, notarization end time, public affairs according to agreement
The throwing number upper limit, legal public voting ratio, enquiry fee, inquiry's list, data writer bonus, data requirements person's bonus, data
Writer's cash pledge, data notary bonus, participant's signed data, data writer and data notary's credit worthiness condition,
Data writer and data notary blacklist and decaying rule.
5. the data interactive method according to claim 1 based on block chain, which is characterized in that the number in the step 3
Include the following steps: according to interaction
Step 3.1: data writer actively is created for answering agreement, provides data according to format as defined in agreement；
Step 3.2: data requirements person actively proposes data requirements, creation commission supply agreement, and related money reward is arranged；Data are write
The person's of entering input data, data notary vote to data；
Step 3.3: data requirements person is actively entered data, creates public voting agreement, and agreement invitation data notary votes；
Step 3.4: data writer and data notary are after data are verified effectively, and whether data requirements person needs to pay for setting
Take, data cost of use is equally arranged in the data that data requirements person actively generates, data requirements person.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689434A (en) * | 2019-09-26 | 2020-01-14 | 重庆邮电大学 | Cross-block chain interaction method based on notary group |
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| CN106651346A (en) * | 2016-11-28 | 2017-05-10 | 上海凯岸信息科技有限公司 | Block chain-based credit investigation data sharing and trading system |
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|---|---|---|---|---|
| CN110689434A (en) * | 2019-09-26 | 2020-01-14 | 重庆邮电大学 | Cross-block chain interaction method based on notary group |
| CN110689434B (en) * | 2019-09-26 | 2023-03-21 | 重庆邮电大学 | Cross-block chain interaction method based on notary group |
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Application publication date: 20190416 |