CN110223053A - A kind of data trade method and its equipment - Google Patents
A kind of data trade method and its equipment Download PDFInfo
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- CN110223053A CN110223053A CN201910499750.0A CN201910499750A CN110223053A CN 110223053 A CN110223053 A CN 110223053A CN 201910499750 A CN201910499750 A CN 201910499750A CN 110223053 A CN110223053 A CN 110223053A
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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Abstract
This application discloses a kind of data trade method and its equipment, in this method: the service server receives the data cochain request of the first client；Execute the data uplink operation；Receive the purchase request of the second client transmission；Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the address remaining sum of second client, and freezes the purchasing price of the data；Receive the transaction request of second client；It is decrypted with private key to the data of the service server public key encryption, and the data encryption with second client public key to decryption, obtains the data of the second client public key encryption；The intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, and the data cochain that second client public key is encrypted.This method can allow the transaction cochain of data to ensure the interests of data owner and data purchaser both sides so that the process of exchange of data is open and clear.
Description
Technical field
This application involves block chain technical field more particularly to a kind of data trade methods and its equipment.
Background technique
Currently, block chain, Internet of Things and artificial intelligence are listed as three big technologies of future technology.Block chain technology is base
In the peer-to-peer network of decentralization, Cryptography Principles, time series data and common recognition mechanism are combined with open source software, to ensure point
Each node is coherent and lasting in cloth database, so that information is verified, is can be traced immediately, but be difficult to tamper with and can not shield,
To create a set of privacy, shareable value system efficiently, safe.
However, transferring accounts for digital cash can only be carried out on current block chain, the transaction of data can't be carried out；Data are handed over
Easy scene is more and more.
Therefore, it needs to find a kind of method for carrying out data trade on block chain.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Summary of the invention
To solve the above-mentioned problems, the application provides a kind of data trade method and its equipment, and this method can allow data
Transaction cochain, on block chain carry out data transaction.
The application first aspect provides a kind of data trade method, which comprises
The service server receives the data cochain request of the first client, and the data cochain request includes with first
The data of client public key encryption, and with the data of service server public key encryption and the setting price of the data；
The service server executes the data uplink operation；
The service server receives the purchase request that the second client is sent, and the purchase request includes the data
Purchasing price, the purchasing price include the setting price of the data；
Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the address remaining sum of second client,
And freeze the purchasing price of the data；
The service server receives the transaction request of second client；
The service server is decrypted with private key to the data of the service server public key encryption, and described in use
Data encryption of second client public key to decryption obtains the data of the second client public key encryption；
Triggering is traded intelligent contract, and the transaction intelligence contract executes transferring accounts for the purchasing price, and by described second
The data cochain of client public key encryption.
In one possible implementation, the method also includes: the service server receives second client
Hold the data inquiry request sent；The service server is sent to the second client data inquiry response, the data
Inquiry response includes the data of the second client public key encryption, in order to which the second client own private key is to described
The data of second client public key encryption are decrypted.
In one possible implementation, the data purchasing price further includes the service charge of the service server.
In one possible implementation, the data be business datum, the business datum include relating attribute and
Dereferenced attribute；Wherein, the attribute value of the relating attribute is superimposed automatically.
In one possible implementation, the first client own public key is to the data encryption, specifically:
First client carries out the encryption of preset ratio with own public key to the data；And/or service server institute
The public key of the second client is stated to the data encryption, specifically: the public key of the service server second client
The data are carried out with the encryption of preset ratio.
The application second aspect provides a kind of equipment for data exchanging, and the equipment for data exchanging is service server, described
Service server is block chain node, and the service server includes receiving unit and processing unit；Wherein,
The receiving unit receives the data cochain request of the first client, and the data cochain request includes with first
The data of client public key encryption, and with the data of service server public key encryption and the setting price of the data；
The processing unit executes the data uplink operation；
The receiving unit receives the purchase request that the second client is sent, and the purchase request includes the data
Purchasing price, the purchasing price include the setting price of the data；
The processing unit, triggering verifies intelligent contract, described to verify intelligent contract to the address of second client
Remaining sum is verified, and freezes the purchasing price of the data；
The receiving unit receives the transaction request of second client；
The processing unit is decrypted with private key to the data of the service server public key encryption, and described in use
Data encryption of second client public key to decryption obtains the data of the second client public key encryption；
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price,
And the data cochain for encrypting second client public key.
In one possible implementation, the receiving unit receives the data query that second client is sent
Request；
The transmission unit is sent to the second client data inquiry response, and the data query response includes institute
The data of the second client public key encryption are stated, in order to which the second client own private key is to second client public key
The data of encryption are decrypted.
In one possible implementation, the purchasing price further includes the service charge of the service server.
In one possible implementation, the data be business datum, the business datum include relating attribute and
The attribute value of dereferenced attribute, the relating attribute is superimposed automatically.
In one possible implementation, the first client own public key is to the data encryption, specifically:
First client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the business clothes
Business device carries out the encryption of preset ratio with the public key of second client to the data.
This method can allow the transaction cochain of data to ensure that data are all so that the process of exchange of data is open and clear
The interests of person and data purchaser both sides, entire process of exchange is more credible.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is a kind of data trade method flow schematic diagram provided by the embodiments of the present application；
Fig. 2 is another data trade method flow schematic diagram provided by the embodiments of the present application；
Fig. 3 is a kind of equipment for data exchanging structural schematic diagram provided by the embodiments of the present application.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Similar object, without being used to describe a particular order or precedence order.It should be understood that the sequence used in this way is in appropriate feelings
It can be interchanged under condition, so that the embodiment of the present invention described herein can be other than those of illustrating or describing herein
Sequence implement.
In addition, term " includes " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, the process, method, system, product or equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
So-called client in the embodiment of the present application, it can be understood as respond extraneous certain trigger condition, and by a set pattern
The abstract machine of state conversion is then done, can be mobile phone, tablet computer, palm PC, individual's PC computer etc. can be according to application
Software and the equipment that can be networked.
As shown in Figure 1, a kind of data trade method, the data trade method is applied in the equipment for data exchanging,
The equipment for data exchanging is service server, and the service server is block chain node, and the method includes the steps S101-
S107。
S101, the service server receive the data cochain request of the first client, and the data cochain request includes
The data encrypted with the first client public key, and with the data of service server public key encryption and the setting valence of the data
Lattice.
In one example, the data are business datum, and the business datum includes relating attribute and dereferenced attribute；
Wherein, the attribute value of the relating attribute is superimposed automatically.
S102, the service server execute the data uplink operation.
S103, the service server receive the purchase request that the second client is sent, and the purchase request includes described
The purchasing price of data, the purchasing price include the setting price of the data.
In one example, the purchasing price further includes the service charge of the service server.
S104, triggering verify intelligent contract, and the intelligence contract that verifies carries out the address remaining sum of second client
Verification, and freeze the purchasing price of the data.
S105, the service server receive the transaction request of second client.
S106, the service server are decrypted with private key to the data of the service server public key encryption, and
Data encryption with second client public key to decryption obtains the data of the second client public key encryption.
S107, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, and will be described
The data cochain of second client public key encryption.
Below by taking Fig. 2 as an example, the data trade process for being also block chain node to above-mentioned service server is illustrated, should
Data method includes S201-S214.
First client is data owner, and the second client is data purchaser, and service server is data trade
Secondary server, while being also block chain node.
S201, the first client encrypt data own public key a while a with service server public key encryption.
Data in the application are business datum.The business datum is divided into two attribute, relating attribute and dereferenced category
Property.Such as: user comment content belongs to dereferenced attribute, and the comment content of every user may be stored on block chain；When
When one businessman needs to buy the evaluation of certain part commodity, which can buy the evaluation of the commodity to multiple users, from block
It is operated on chain, it is open and clear, the interests of businessman and user can be ensured simultaneously.Such as: the quantity of user comment content, just
It is relating attribute, includes number of reviews in the business datum format of a commodity, it, should as long as there is user to comment on the commodity
The number of reviews of commodity can be superimposed automatically；Another example is: in the application business datum transaction count, be relating attribute, the business
The every transaction of data is primary, which increases by 1 automatically.
S202, the first client send cochain and request to service server, include the default valence of data in cochain request
Lattice and above-mentioned two parts of encryption datas.
Two parts of encryption datas are executed uplink operation by S203, service server.
At this point, chain process in business datum, the application without associated description, such as: in the common recognition of proof of work PoW
Under mechanism, after being packaged and being verified, it is synchronous that node broadcasts to all nodes carry out data.
S204, service server send cochain and respond to first client.
S205, the second client send purchase request and give the service server, and purchase request includes purchasing price, the purchase
Price includes the default price of data, further includes transactional services expense, the service charge which takes for service server.The purchase
Buying request further includes wanting the data of purchase.
Second client is the buyer of data, and the purchase request of the business datum is issued on block chain；It can look into
After asking the business datum, then purchase is sent to block chain node and is requested.At this point, further including the number for wanting purchase in purchase request
According to the mode of the data of purchase is wanted in instruction here, can be Data Identification；It is also possible to the corresponding user of the second client,
After user views the data for wanting purchase on a second client, purchase is clicked directly on.
At this point, the first client encrypts the business datum with own public key, it can be and carry out Partial key field
Encryption, is also possible to be encrypted (such as: encrypting 2/3rds of the business datum) purchase of the business datum according to preset ratio
Buyer can not check the business datum in the case where not buying.
Include the scheduled price of the owner of the business datum in purchase request, further includes transactional services expense, that is,
The transactional services of service server are taken；Transactional services expense has the buyer of the business datum to pay.
The buyer of business datum needs to possess digital cash, and the purchase of business datum could be carried out on block chain；Industry
The digital cash that business data purchaser possesses, can be as the another kind of business datum owner, sells the another kind of business number
According to digital cash obtained；The digital cash can use on the block chain.The application is to this without being described in detail.
S206 triggers the verification intelligence contract on block chain, digital cash of the verification intelligence contract to the second client
The remaining sum of address is verified, and after confirmation remaining sum is sufficient, freezes the purchasing price.
At this point, just needing to freeze the purchasing price of the data after verification passes through；If verification does not pass through, i.e. the second client
The corresponding remaining sum in address is less than or equal to the data purchasing price, then does not need the remaining sum for freezing the second client address, will not
Execute subsequent step.
S207, the service server send purchase and respond to second client.
At this point, service server tells the second client, the data for having the second client wants to want on block chain.
S208, the second client send transaction request to service server.
S209, service server are decrypted with own private key to the data of service server public key encryption, after secret,
With the second client (buyer) public key encryption.
S210, triggering are traded intelligent contract, and the purchasing price for executing the second client is transferred accounts, and by the second client public key
The data of encryption execute uplink operation.
S211, service server send transaction and respond to the second client.
S212, the second client send business datum inquiry request to service server.
S213, service server send business datum inquiry response to the second client, in the business datum inquiry response
Including the data encrypted with the second client public key.
This is decrypted with the data that the second client public key encrypts with own private key for S214, the second client.
It should be noted that verifying intelligent contract in the process of exchange of the application and intelligent contract of trading, can be same
A intelligence contract, is also possible to two different intelligent contracts.The data trade process of the application, whole process of exchange data
All it is stored on chain, it is open and clear, to ensure the interests of both parties.
As shown in figure 3, a kind of equipment for data exchanging, the equipment for data exchanging is service server, the business service
Device is block chain node, and the service server includes receiving unit and processing unit.
The receiving unit receives the data cochain request of the first client, and the data cochain request includes with first
The data of client public key encryption, and with the data of service server public key encryption and the setting price of the data；
The processing unit executes the data uplink operation；
The receiving unit receives the purchase request that the second client is sent, and the purchase request includes the data
Purchasing price, the purchasing price include the setting price of the data；
The processing unit, triggering verifies intelligent contract, described to verify intelligent contract to the address of second client
Remaining sum is verified, and freezes the purchasing price of the data；
The receiving unit receives the transaction request of second client；
The processing unit is decrypted with private key to the data of the service server public key encryption, and described in use
Data encryption of second client public key to decryption obtains the data of the second client public key encryption；
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price,
And the data cochain for encrypting second client public key.
In one example, the purchasing price further includes the service charge of the service server；The data are business
Data, the business datum include relating attribute and dereferenced attribute, and the attribute value of the relating attribute is superimposed automatically.
In one example, the first client own public key is to the data encryption, specifically: first visitor
Family end carries out the encryption of preset ratio with own public key to the data；And/or the service server is with second client
The public key at end to the data encryption, specifically: the service server is with the public key of second client to the data
Carry out the encryption of preset ratio.
In one example, the receiving unit receives the data inquiry request that second client is sent；The hair
Unit is sent, the second client data inquiry response is sent to, the data query response includes that second client is public
The data of key encryption, in order to which second client is carried out with the data that own private key encrypts second client public key
Decryption.
This method can allow the transaction cochain of data to ensure that data are all so that the process of exchange of data is open and clear
The interests of person and data purchaser both sides, entire process of exchange is more credible.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It is not considered that exceeding scope of the present application.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of data trade method, which is characterized in that the described method includes:
The service server receives the data cochain request of the first client, and the data cochain request includes with the first client
The data of public key encryption are held, and with the data of service server public key encryption and the setting price of the data；
The service server executes the data uplink operation；
The service server receives the purchase request that the second client is sent, and the purchase request includes the purchase of the data
Price, the purchasing price include the setting price of the data；
Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the address remaining sum of second client, and freezes
Tie the purchasing price of the data；
The service server receives the transaction request of second client；
The service server is decrypted with private key to the data of the service server public key encryption, and with described second
Data encryption of the client public key to decryption obtains the data of the second client public key encryption；
Triggering is traded intelligent contract, and the transaction intelligence contract executes transferring accounts for the purchasing price, and by second client
Hold the data cochain of public key encryption.
2. the method according to claim 1, wherein the method also includes:
The service server receives the data inquiry request that second client is sent；
The service server is sent to the second client data inquiry response, and the data query response includes described the
The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key
Data be decrypted.
3. the method according to claim 1, wherein the data purchasing price further includes the service server
Service charge.
4. the business datum includes the method according to claim 1, wherein the data are business datum
Relating attribute and dereferenced attribute；Wherein, the attribute value of the relating attribute is superimposed automatically.
5. the method according to claim 1, wherein the first client own public key adds the data
It is close, specifically: first client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the service server
With the public key of second client data are carried out with the encryption of preset ratio.
6. a kind of equipment for data exchanging, which is characterized in that the equipment for data exchanging is service server, the service server
For block chain node, the service server includes receiving unit and processing unit；Wherein,
The receiving unit receives the data cochain request of the first client, and the data cochain request includes with the first client
The data of public key encryption are held, and with the data of service server public key encryption and the setting price of the data；
The processing unit executes the data uplink operation；
The receiving unit, receives the purchase request that the second client is sent, and the purchase request includes the purchase of the data
Price, the purchasing price include the setting price of the data；
The processing unit, triggering verifies intelligent contract, described to verify intelligent contract to the address remaining sum of second client
It is verified, and freezes the purchasing price of the data；
The receiving unit receives the transaction request of second client；
The processing unit is decrypted with private key to the data of the service server public key encryption, and with described second
Data encryption of the client public key to decryption obtains the data of the second client public key encryption；
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price, and will
The data cochain of the second client public key encryption.
7. equipment according to claim 6, which is characterized in that
The receiving unit receives the data inquiry request that second client is sent；
The transmission unit, is sent to the second client data inquiry response, and the data query response includes described the
The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key
Data be decrypted.
8. equipment according to claim 6, which is characterized in that the purchasing price further includes the clothes of the service server
Business expense.
9. equipment according to claim 6, which is characterized in that the data are business datum, and the business datum includes
Relating attribute and dereferenced attribute, the attribute value of the relating attribute are superimposed automatically.
10. equipment according to claim 6, which is characterized in that the first client own public key is to the data
Encryption, specifically: first client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the service server
With the public key of second client data are carried out with the encryption of preset ratio.
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| CN111353853A (en) * | 2020-02-28 | 2020-06-30 | 广东工业大学 | Automatic bargaining method and related device based on intelligent contract and multi-party security calculation |
| CN111353853B (en) * | 2020-02-28 | 2023-05-09 | 广东工业大学 | Automatic bargaining method and related device based on intelligent contract and multiparty security calculation |
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