CN108520463A - A kind of data order transaction system and method based on block chain technology - Google Patents
A kind of data order transaction system and method based on block chain technology Download PDFInfo
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- CN108520463A CN108520463A CN201810335284.8A CN201810335284A CN108520463A CN 108520463 A CN108520463 A CN 108520463A CN 201810335284 A CN201810335284 A CN 201810335284A CN 108520463 A CN108520463 A CN 108520463A
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- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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Abstract
The invention discloses a kind of data order transaction system and method based on block chain technology, including：Data buy the intelligent contract on terminal, data providing and block chain；The data buy terminal：Module, receipt module are monitored in data reception module, Data Verification module, warning；The data providing includes：Intelligent contract checks that module, fund extraction module, receipt monitor module；Intelligent contract on the block chain includes：Intelligent contract interactive module, data order contract；The present invention can utilize automation and the decentralization feature of block chain intelligence contract; a kind of new data trade means are provided; expand the trading range of available data transaction; so as to realize that personal and small micro- business data can marketability; improve data sharing rate; it embodies data itself to be worth, and protects the privacy of data providing.
Description
Technical field
The present invention relates to information security fields, and in particular to a kind of data order transaction system based on block chain technology and
Its method.
Background technology
Data trade at present on the market is not universal, and predominantly large data is merchandised, and data trade both sides require scale
It is enough and transparent as it can be seen that data trade itself requires third party or centralization authoritative institution to participate in depositing card.Therefore it has the following problems：
1. existing means of exchange is to the supportive difference of sporadic data holder：Personal user's data and little Wei enterprises are because of data rule
Mould is smaller, it is difficult to conclude the transaction with demand data side, even if not having marketability if data are true and reliable.
2. existing means of exchange formality is complicated, costly：When data trade, both parties need to carry for the third-party institution
For enough testimonial materials, formality is complicated, increases the cost of data trade.
3. the data value that mass data is possessed is difficult to embody：Such as healthy number of the data stored in a large amount of personal user's hands
There is great researching value according to equal, but because of no good collection and share means, data value is difficult to obtain body
It is existing.
4. data providing privacy is difficult to be protected：Data trade both sides require transparent as it can be seen that data providing exists
Reveal personal information risk.The privacy leakage risk being widely present, has seriously affected the enthusiasm of data providing data sharing,
And then destroy the cashability of data.
Invention content
The present invention is to solve above-mentioned the shortcomings of the prior art place, provide a kind of number based on block chain technology
According to order transaction system and method one is provided to which automation and the decentralization feature of block chain intelligence contract can be utilized
The new data trade means of kind, expand the trading range of available data transaction, to realize that personal and small micro- business data is variable
Existing property, improves data sharing rate, embodies data itself and is worth, and protects the privacy of data providing.
The present invention is to solve technical problem to adopt the following technical scheme that：
A kind of the characteristics of data order transaction system based on block chain technology of the present invention is to include：Data purchase terminal,
Intelligent contract on data providing and block chain；
The data buy terminal：Module, receipt module are monitored in data reception module, Data Verification module, warning；
The data providing includes：Intelligent contract checks that module, fund extraction module, receipt monitor module；
Intelligent contract on the block chain includes：Intelligent contract interactive module, data order contract；
A part of deposit of data order is stored in the data by the data order contract for issuing data order
In the address of order contract, when data purchase terminal provides transaction receipt, the data order contract generates one and returns
Daily record is held, and a part of deposit is automatically assigned in order and can extract in fund, to be automatically performed transaction.
The intelligence contract checks module for checking that existing order, data order are detailed in the data order contract
Deposit is remaining in feelings, order, can extract fund in order；
The data reception module is used to receive the data that the data providing is sent；
The Data Verification module is used to carry out reliability demonstration to the data received, if reliability demonstration passes through,
Receipt module generates corresponding receipt and is sent to the data order contract, and receipt daily record is generated by the data order contract,
Otherwise, authentication failed is fed back into the data providing；
The reliability demonstration includes：It whether received verifies the data, verifies whether the data are required number
According to, verify the data whether include false data；
The warning monitors module and is used to monitor the warning daily record that the data order contract generates, when the discovery warning
Daily record then prompts the data purchase terminal to be handled；The warning daily record includes that deposit is insufficient, data collection is completed, number
It is terminated according to collecting；
The receipt monitors module and is used to monitor the receipt daily record that the data order contract generates, when the discovery receipt
Daily record then prompts the data providing to merchandise successfully；
The fund extraction module can extract fund for judging whether the data providing can extract in the order,
If can extract, virtual coin is transferred to the data providing by the fund extraction module from the address of data order contract
Public key address；
A kind of the characteristics of data order transaction method based on block chain technology of the present invention, lies also in applied to being purchased by data
It buys in the system that the intelligent contract on terminal, data providing and block chain is constituted, and follows the steps below：
Data purchase terminal described in step 1. determines purchase data class, data bulk, data unit price, passes through the intelligence
Contract issues demand data order in data order contract, and stores quantitative virtual coin in the demand data order and make
For deposit；
Data providing described in step 2. checks the demand order comprising data type by intelligent contract, confirms institute
State data type demand order it is errorless after, the data of demand in the demand order are sent to the data and are bought eventually
End；
The data of demand carry out reliability demonstration in demand order accessed by data purchase terminal-pair described in step 3.,
If verification is errorless, receipt is submitted to the demand order by the intelligent contract；Otherwise, verification is provided to data providing
Error message；The reliability demonstration includes：It whether received verifies the data, verifies whether the data are required number
According to, verify the data whether include false data；
After intelligent contract described in step 4. receives receipt, judge whether data collection is completed or whether data collection is whole
Only or whether deposit is insufficient, if so, executing step 5 after generating a warning daily record；Otherwise, from the deposit of demand order
In distribute the volume of dealing with and freezed after, carry out step 6 after generating a receipt daily record；
After data purchase terminal monitoring to the warning daily record described in step 5., corresponding place is done to different warning daily records
Reason, and the receipt is retransmitted after processing is completed, then execute step 4；
After data providing described in step 6. listens to receipt daily record, then the data providing is prompted to merchandise successfully；And
Selection continues transmission data or is extracted the fund in the demand order in personal account by the intelligent contract.
Compared with prior art, beneficial effects of the present invention embodiment is：
1, by the present invention in that with block chain intelligence contract, realize decentralization data trade, provide it is a kind of it is low at
The method of data capture of this high scope keeps data trade highly efficient, more popularization.
2, the present invention buys terminal by data and issues order by data order contract, all with can be ordered per family by checking
It is single to submit data, the data in retail users hand can be effectively collected, the range that data purchaser collects data had not only been expanded, but also
So that personal user and small micro- business data holder is obtained effective data and cashes method.
3, the present invention is assured using block chain intelligence contract, is traded in the dependency rule as defined in contract, was both protected
The safety in process of exchange has been demonstrate,proved, third party has been in turn avoided and centralization authoritative institution participates in, reduce data collection cost,
Improve data collection efficiency.
4, the present invention to data order contract by reserving deposit, and is provided by the automatic dispensing transaction of data order contract
Gold enhances confidence of the data providing to data trade, holds to promote data providing especially personal user to share
Data, embody data value.
5, in the present invention, data providing uses block chain wallet public key acquisition fund by fund extraction module, avoids
Using personal information complete transaction, the effective protection privacy of data providing improves data providing data sharing
Enthusiasm improves the cashability of data assets.
Description of the drawings
Fig. 1 is present system structural schematic diagram；
Fig. 2 is data trade sequence diagram of the present invention.
Specific implementation mode
In the present embodiment, a kind of data order transaction system based on block chain technology, system architecture as shown in Figure 1,
Including：Data buy the intelligent contract on terminal, data providing and block chain；
Data buy the server that terminal is mainly open data upload service, and data purchase terminal includes：Data receiver
Module, receipt module are monitored in module, Data Verification module, warning；
Data providing is the intelligent terminal application held data person and used, and intelligent terminal includes：Smart mobile phone, tablet electricity
Brain, desktop computer or laptop are accordingly adapted to using realizing ether mill wallet and being done for data order contract
Using.Data providing does the part being adapted to data order contract：Intelligent contract check module, fund extraction module,
Receipt monitors module；
Block chain is ether mill block chain.Intelligent contract on block chain includes：Intelligent contract interactive module, data order
Contract, wherein data order contract are write using Solidity language, are sent and are closed by the Geth clients that ether mill provides
About deployment transaction is deployed on block chain.Data buy terminal and data providing can send transaction to data order contract from
And call method in data order contract；
A part of deposit of data order is stored in data order contract by data order contract for issuing data order
Address in, order contents include：Order Address, order status, data purchase terminal public key, data unit price, data purchase are total
Amount, order deposit value are equivalent to 30 percent that data unit price is multiplied by data purchase total amount.When data purchase terminal provides
When transaction receipt, data order contract can carry out following items judgement：If data collection has been completed, a data receipts are generated
Collection completes warning daily record；If data collection has terminated, generates a data and collect termination warning daily record；If deposit has disappeared
Consumption finishes, then generates a deposit deficiency and warn daily record.If the above Rule of judgment is all invalid, data order contract generates one
Receipt daily record, and a part of deposit is automatically assigned in order and can extract in fund, it can extract fund and closed in data order
Data structure in about is list structure, and list information is all client public key and can extract amount of the fund accordingly, to
It is automatically performed transaction.Data buy terminal can ensure that order information is accurate using data order contract publication associated order information
Reliably, it is easily obtained the trust of data providing.
Intelligent contract checks module for checking existing order in data order contract, data order detail, in order
Fund is can extract in deposit residue, order.Wherein order detail includes again：Order issuing time, data unit price, datum target are received
Collect quantity, data collection progress, the submission data side sum etc. for having been filed on data.Order detail is ensured reliable by block chain
Property, user can trust order detail data, and submit the income of data and transaction successful according to order detail data analysis
Possibility.Intelligent contract is not required to send transaction when checking module accesses data order contract, is by local runtime intelligence contract
It can be achieved to check stored information in data order contract；
Data reception module is used to receive the data of data providing transmission.If data providing directly passes through intelligent contract
Means transmission data realizes that program is complicated, with high costs, realization is difficult, therefore data providing is public with itself ether mill wallet
Key address makes as unique mark, is serviced to data with Http and buys terminal transmission data；
Data Verification module is used to carry out reliability demonstration, if reliability demonstration passes through, receipt to the data received
Module generates corresponding receipt and is sent to data order contract, generates receipt daily record by data order contract, and will be proved to be successful
Data receiver identification number be sent to user.Otherwise, authentication failed is fed back into data providing.Data receiver identification number is number
It is numbered according to receiving, is 64 digit word formats, receipt content includes：Data providing public key address, data bulk, data receiver mark
Knowledge number；
Reliability demonstration includes：Whether verify data is received, and whether verify data is required data, and verify data is
It is no to include false data etc..By taking the step number of Json formats as an example, whether data received rely primarily on data generation time and
Data owning user；Whether data are whether the format that required data rely primarily on data is Json formats, are after Json parsings
No is step count data structure；Whether data rely primarily on the related data verification letter of data generating apparatus institute band comprising false data
Breath.For different data types, verify content and verification method may be different, mainly according to data generating apparatus and
Data structure is arranged corresponding reliability demonstration；
Warning monitors module and is used for the warning daily record that monitored data order contract generates, and when finding to warn daily record, then prompts
Data purchase terminal is handled；Warning daily record includes deposit deficiency, data collection completion, data collection termination etc., when receiving
Deposit deficiency warns daily record, data purchaser that can send virtual coin to data order contract, additional deposit number；When receiving number
Warning daily record is completed according to collecting, data purchase terminal can send transaction and arrive data order contract, and supplemental data collects quantity；When
Receive data collection termination warning daily record, data purchase terminal can send transaction arrive data order contract, by order status by
Termination is changed in operation.In addition in addition to the warning daily record that above three item data purchase terminal must be handled, data order peace treaty can
With setting only have remind effect a warning daily record, as data collection progress reach 50 percent or deposit consumed percentage
50 equal warning daily records.Data purchaser receives with after the warning daily record for reminding effect, can handle ahead of time, avoid next time
Submit receipt failure；
Receipt monitors module and is used for the receipt daily record that monitored data order contract generates, and when finding receipt daily record, then prompts
Data providing is merchandised successfully.The receipt daily record generated by intelligent contract, data providing, which can clearly merchandise, to have succeeded
And fund has arrived account；
Fund extraction module can extract fund for judging whether data providing can extract in order, if can extract,
Virtual coin is transferred to the public key address of data providing, fund extraction by fund extraction module from the address of data order contract
Module can once take out multiple transaction results, save the transaction fee that data providing is spent, and user receives to pursue to obtain
Benefit maximizes, can maintenance progress data trade；
In the present embodiment, a kind of data order transaction method based on block chain technology, be applied to by data purchase terminal,
In the system that intelligent contract on data providing and block chain is constituted, sequence diagram is as shown in Fig. 2, simultaneously according to the following steps
It carries out：
Step 1. data buy terminal and determine purchase data class, data bulk, data unit price etc., are existed by intelligent contract
Demand data order is issued in data order contract, and stores quantitative virtual coin as deposit in demand data order；
Step 2. data providing checks the demand order comprising data type by intelligent contract, confirms that itself is counted
According to the demand order of type it is errorless after, by the data of demand in demand order be sent to data buy terminal.In order to help data
Provider finds related order, and the device category for generating data is assigned with unique mark by us：160 ether mill public keys
Location, and using the unique mark as data class searching data order；
The data that step 3. data buy demand in the demand order accessed by terminal-pair carry out reliability demonstration, if testing
Demonstrate,prove it is errorless, then by intelligent contract to demand order submit receipt；Otherwise, authentication error information is provided to data providing；It can
Include by property verification：Whether verify data is received, and whether verify data is required data, and whether verify data includes falseness
Data etc.；
After step 4. intelligence contract receives receipt, judge whether data collection is completed or whether data collection terminates, or
Whether person's deposit is insufficient, if so, executing step 5 after generating a warning daily record；Otherwise, it is distributed from the deposit of demand order
After going out to deal with volume and being freezed, step 6 is carried out after generating a receipt daily record；
After step 5. data buy terminal monitoring to warning daily record, different processing is done to different warning daily records, works as receipts
Warn daily record, data purchaser that can send virtual coin to data order contract, additional deposit number to deposit deficiency；When receiving
Data collection completes warning daily record, and data purchase terminal can send transaction and arrive data order contract, and supplemental data collects quantity；
Daily record is warned when receiving data collection termination, data purchase terminal can send transaction and arrive data order contract, by order status
It is changed in operation by termination, after the completion of processing, step 4 is carried out after retransmitting receipt；
After step 6. data providing listens to receipt daily record, then data providing is prompted to merchandise successfully；And it selects to continue
Transmission data is extracted the fund in demand order in personal account by intelligent contract.Data providing is to data
Buy after terminal submits data, can monitor whether intelligent contract generate related receipt daily record always, with get as early as possible transaction at
The information of work(.
Claims (2)
1. a kind of data order transaction system based on block chain technology, it is characterized in that including：Data buy terminal, data provide
Intelligent contract in side and block chain；
The data buy terminal：Module, receipt module are monitored in data reception module, Data Verification module, warning；
The data providing includes：Intelligent contract checks that module, fund extraction module, receipt monitor module；
Intelligent contract on the block chain includes：Intelligent contract interactive module, data order contract；
A part of deposit of data order is stored in the data order by the data order contract for issuing data order
In the address of contract, when data purchase terminal provides transaction receipt, the data order contract generates a receipt day
Will, and a part of deposit is automatically assigned in order and can extract in fund, to be automatically performed transaction.
The intelligence contract checks module for checking existing order in the data order contract, data order detail, ordering
Deposit is remaining in list, can extract fund in order；
The data reception module is used to receive the data that the data providing is sent；
The Data Verification module is used to carry out reliability demonstration, if reliability demonstration passes through, receipt to the data received
Module generates corresponding receipt and is sent to the data order contract, and receipt daily record is generated by the data order contract, otherwise,
Authentication failed is fed back into the data providing；
The reliability demonstration includes：It whether received verifies the data, verifies whether the data are required data, test
Demonstrate,prove whether the data include false data；
The warning monitors module and is used to monitor the warning daily record that the data order contract generates, when the discovery warning day
Will then prompts the data purchase terminal to be handled；The warning daily record includes that deposit is insufficient, data collection is completed, data
It collects and terminates；
The receipt monitors module and is used to monitor the receipt daily record that the data order contract generates, when the discovery receipt day
Will then prompts the data providing to merchandise successfully；
The fund extraction module can extract fund for judging whether the data providing can extract in the order, if energy
Extraction, then virtual coin is transferred to the public affairs of the data providing by the fund extraction module from the address of data order contract
Key address.
2. a kind of data order transaction method based on block chain technology, it is characterized in that applied to by data purchase terminal, data
In the system that intelligent contract on provider and block chain is constituted, and follow the steps below：
Data purchase terminal described in step 1. determines purchase data class, data bulk, data unit price, passes through the intelligent contract
Demand data order is issued in data order contract, and stores quantitative virtual coin as fixed in the demand data order
Gold；
Data providing described in step 2. checks that the demand order comprising data type, confirmation are described certainly by intelligent contract
After the demand order of body data class is errorless, the data of demand in the demand order are sent to the data and buy terminal；
The data of demand carry out reliability demonstration in demand order accessed by data purchase terminal-pair described in step 3., if testing
It demonstrate,proves errorless, then receipt is submitted to the demand order by the intelligent contract；Otherwise, authentication error is provided to data providing
Information；The reliability demonstration includes：It whether received verifies the data, verifies whether the data are required data,
Verify whether the data include false data；
After intelligent contract described in step 4. receives receipt, judge whether data collection is completed or whether data collection terminates, or
Whether person's deposit is insufficient, if so, executing step 5 after generating a warning daily record；Otherwise, it is distributed from the deposit of demand order
After going out to deal with volume and being freezed, step 6 is carried out after generating a receipt daily record；
After data purchase terminal monitoring to the warning daily record described in step 5., corresponding processing is done to different warning daily records,
And the receipt is retransmitted after processing is completed, then execute step 4；
After data providing described in step 6. listens to receipt daily record, then the data providing is prompted to merchandise successfully；And it selects
Continue transmission data or is extracted the fund in the demand order in personal account by the intelligent contract.
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| CN110009495A (en) * | 2019-03-19 | 2019-07-12 | 阿里巴巴集团控股有限公司 | Based on the welfare donations method and device of block chain, electronic equipment, storage medium |
| CN110020979A (en) * | 2019-03-19 | 2019-07-16 | 阿里巴巴集团控股有限公司 | Public good based on block chain offers method and device, electronic equipment |
| CN110060189A (en) * | 2019-03-19 | 2019-07-26 | 阿里巴巴集团控股有限公司 | Public good based on block chain offers method and device, electronic equipment |
| CN110493335A (en) * | 2019-08-15 | 2019-11-22 | 京东方科技集团股份有限公司 | A kind of sharing method of biological attribute data, share system and computer equipment |
| CN111062705A (en) * | 2019-12-25 | 2020-04-24 | 东华理工大学 | Online English education big data platform |
| CN111488609A (en) * | 2020-04-08 | 2020-08-04 | 北京瑞策科技有限公司 | Service data block link-based order receiving method and device |
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Application publication date: 20180911 |