CN109919618A - Permission update method and permission updating device based on block chain - Google Patents
Permission update method and permission updating device based on block chain Download PDFInfo
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- CN109919618A CN109919618A CN201910220364.3A CN201910220364A CN109919618A CN 109919618 A CN109919618 A CN 109919618A CN 201910220364 A CN201910220364 A CN 201910220364A CN 109919618 A CN109919618 A CN 109919618A
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- commodity
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- information
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Abstract
The invention discloses a kind of permission update methods based on block chain, this method comprises: obtaining Transaction Information and signature, wherein Transaction Information includes identification identifier and the target account address of commodity;The account address of the sender of Transaction Information is obtained by signature;Whether permission intelligence contract is called according to Transaction Information consistent with the account address of the commodity side of being currently owned by verify the account address of sender;If consistent, the account address change of the commodity side of being currently owned by is target account address by permission intelligence contract.The present invention records the information of the process of circulation of commodity, and the change of commodity permission is intelligently realized by permission, solves the problems such as information asymmetry and set card in commodity transaction, reduces transaction risk and transaction cost, achieved the purpose that anti-fake.
Description
Technical field
The present invention relates to block chain technologies, more particularly to permission update method and permission updating device based on block chain.
Background technique
The anti-fake assay certificate for being based primarily upon diamond, such as GIA certificate, NGTC certificate etc. of diamond at present.But in certificate
The basic authentication information of diamond is contained only, and forgery is at low cost, carries out diamond smuggling by covering card mode in industry at present
Mode be also to remain existing despite repeated prohibition.And diamond is in process of exchange, both parties' information is opaque, professional purchaser can by from
The mode of row identification assesses diamond price, but personal user can only generally rely on assay certificate, know it to the other information of diamond
Very few, if the seller is non-honest, the buyer of opposite weak tendency is likely to stand to lose in transaction.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of permission update methods based on block chain, which comprises obtain
Take Transaction Information and signature, wherein the Transaction Information includes identification identifier and the target account address of commodity;By described
Signature obtains the account address of the sender of the Transaction Information;Called permission intelligence contract to test according to the Transaction Information
Whether the account address for demonstrate,proving described sender is consistent with the account address of the commodity side of being currently owned by;If consistent, the permission
The account address change of the commodity side of being currently owned by is the target account address by intelligent contract.
In one embodiment, when described sender is the exporter of the commodity, permission intelligence contract is called
Before step further include: the permission intelligence contract is simultaneously deployed on the node of the block chain by creation permission intelligence contract;
The account address of the commodity side of being currently owned by is stored in the permission intelligence contract.
In one embodiment, before the step of obtaining Transaction Information and signature further include: the body based on the commodity
Part identifier inquires the attribute information of the commodity on the block chain;If can be inquired on the block chain described
The attribute information of commodity then issues purchase request to the commodity side of being currently owned by.
In one embodiment, the identification identifier is by cochain intelligence contract to the attribute information of the commodity
Carry out the symbol or code of processing acquisition.
In one embodiment, the identification identifier is to be carried out by attribute information of the cochain intelligence contract to commodity
The cryptographic Hash that Hash operation obtains.
In one embodiment, the method also includes: by the intelligent contract that circulates make the circulation information generated and
The change record of the account address of the commodity side of being currently owned by is associated with the identification identifier and stores block chain account
In this.
In one embodiment, the circulation information includes the dealing information, declaration information and quality inspection letter of the commodity
Breath.
Another aspect of the present invention provides a kind of permission updating device based on block chain, and described device includes: processor;
And memory executes the processor any in the above method for storing instruction
Method described in.
Another aspect of the present invention provides a kind of computer readable storage medium, and the storage medium includes instruction, works as institute
It states instruction to be performed, the processor of the computer executes method described in any one of above method.
The present invention records the information of the process of circulation of commodity, and the change of commodity permission is intelligently realized by permission
More, it solves the problems such as information asymmetry and set card in commodity transaction, reduces transaction risk and transaction cost, reached anti-
Pseudo- purpose.
Detailed description of the invention
The flow chart 100 of the permission update method based on block chain of Fig. 1 embodiment according to the present invention;
Fig. 2 is the flow chart 200 of the storage method according to an embodiment of the invention based on block chain;
Fig. 3 is the flow chart 300 of the permission update method according to an embodiment of the invention based on block chain;
Fig. 4 is the schematic diagram of the permission updating device 400 based on block chain of embodiment according to the present invention.
Specific embodiment
Below with reference to each exemplary embodiment of attached drawing detailed description of the present invention.Flow chart and block diagram in attached drawing are shown
The architecture, function and operation in the cards of method and system according to various embodiments of the present invention.It should be noted that
Each box in flowchart or block diagram can represent a part of a module, program segment or code, the module, program
Section or a part of code may include one or more holding for realizing the logic function of defined in each embodiment
Row instruction.It should also be noted that in some alternative implementations, function marked in the box can also be attached according to being different from
The sequence marked in figure occurs.For example, two boxes succeedingly indicated can actually be basically executed in parallel or it
Can also execute in a reverse order sometimes, this depend on related function.It should also be noted that flow chart
And/or the combination of each box in block diagram and the box in flowchart and or block diagram, function as defined in execution can be used
Can or the dedicated hardware based system of operation realize, or specialized hardware can be used and the combination of computer instruction comes
It realizes.
Term as used herein "include", "comprise" and similar terms are understood to open term, i.e.,
" including/including but not limited to ", expression can also include other content.Term "based" is " being based at least partially on ".Term
" one embodiment " expression " at least one embodiment ";Term " another embodiment " expression " at least one other embodiment ",
Etc..
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.For between each unit in attached drawing
Line, it is only for convenient for explanation, indicate that the unit at least line both ends is in communication with each other, it is not intended that limitation does not connect
It can not be communicated between the unit of line.
Any appropriate block chain of the block chain being referred to herein, and block chain includes any number of nodes.
The flow chart 100 of the permission update method based on block chain of Fig. 1 embodiment according to the present invention.
Step S101: Transaction Information and signature are obtained, wherein Transaction Information includes the identification identifier and target account of commodity
Family address.
Step S102: the account address of the sender of Transaction Information is obtained by signature.
Step S103: permission intelligence contract is called according to Transaction Information to verify the account address of sender and work as with commodity
Whether the account address of preceding owning side is consistent.
Step S104: if consistent, the account address change of the commodity side of being currently owned by is target by permission intelligence contract
Account address.
In another embodiment, further includes: by circulating, intelligent contract keeps the circulation information generated and commodity current
The change record of the account address of owning side is associated with identification identifier and stores in block chain account book.
It should be understood that commodity herein are primarily referred to as luxury goods, luxury goods include the jewel of import and other valuable
Commodity.
Next, by by taking the process of circulation of diamond as an example, the technical solution that the present invention will be described in detail.
Fig. 2 is the flow chart 200 of the storage method according to an embodiment of the invention based on block chain.
Step S201: intelligent contract is disposed on the node of block chain.It should be understood that intelligent contract here includes cochain intelligence
It can contract and the intelligent contract that circulates.
Step S202: exploitation and machining information to diamond are identified to obtain the attribute information of diamond.
It should be understood that attribute information here includes source area, certificate number, weight, color, cleanliness, cutting, polishing grade
With symmetry etc..Wherein, certificate number includes certificate type and certificate number, for example, in one example, the certificate class of diamond
Type is GIA, certificate number 11XXXXXX78, and certificate type and certificate number are bonded the certificate number of the diamond.It should be understood that
It is that the type of certificate can be other types such as NGCT.
Step S203: it is handled by attribute information of the cochain intelligence contract to diamond opposite with attribute information to obtain
The identification identifier answered.In one example, identification identifier is to be carried out by attribute information of the cochain intelligence contract to diamond
The cryptographic Hash corresponding with attribute information that Hash operation obtains.It should be understood that identification identifier here can be by other
The symbol for capableing of unique identification attribute information or code that mode obtains etc..
Step S204: if identification identifier is not stored in block chain account book, S205 is thened follow the steps, is otherwise executed
Step S206.
Step S205: it is stored by the attribute information of cochain intelligence contract by identification identifier and corresponding thereto to block
In chain account book.
Step S206: identification identifier is not uploaded to block chain.
Fig. 3 is the flow chart 300 of the permission update method according to an embodiment of the invention based on block chain.
Step S301: when import direction exporter (international vendor) import diamond, importer passes through identification identifier
The attribute information of (for example, being inquired by block chain browser) corresponding diamond is inquired on block chain.
Step S302: if the attribute information of corresponding diamond can be inquired, S304 is thened follow the steps, step is otherwise executed
Rapid S303.
Step S303: without any processing.
Step S304: import direction diamond exporter issues purchase request.
Step S305: when status indication information is shown as buying and selling successfully (delivered and paid), in export direction block chain
Node sends Transaction Information and signature (it should be understood that signature here is the label carried out by the private key of exporter to Transaction Information
Name, it is to be understood that herein, sender can sign Transaction Information by the private key of itself when sending Transaction Information
Name), wherein Transaction Information includes operation information, both parties' information, the exchange hour information, mesh for calling permission intelligence contract
Mark account address (buyer account address), identification identifier etc..
Step S306: node receives Transaction Information and signature.
Step S307: the account address of the sender of Transaction Information is obtained by signature.
Step S308: permission intelligence contract is called according to Transaction Information with verifying the account of the sender of Transaction Information
The account address consistency of location and the diamond side of being currently owned by.
It is further comprising the steps of before the step of should be understood that, calling permission intelligence contract:
Permission intelligence contract is simultaneously deployed on the node of block chain by creation permission intelligence contract;
The account address of the diamond side of being currently owned by is stored in permission intelligence contract.
Step S309: if the account address one of the account address of the sender of Transaction Information and the diamond side of being currently owned by
It causes, thens follow the steps S310, it is no to then follow the steps S311.
Step S310: permission intelligence contract changes the account address (the account address of exporter) of the diamond side of being currently owned by
For target account address (the account address of importer).
Step S311: the account address of the diamond side of being currently owned by is constant.
Step S312: circulation information that importer makes to generate by the intelligent contract that circulates (including dealing information (including buyer
Whom is, whom the seller is, the dealing when carried out, whose etc. the object of dealing be), declaration information, quality information etc.) and
The change record of the account address of the diamond side of being currently owned by is associated with identification identifier and stores in block chain account book.
In another embodiment, when wholesale side buys diamond from importer, wholesale side corresponds to the buyer in Fig. 2,
Importer corresponds to the seller in Fig. 2, repeats the above steps, the difference is that not needing to execute creation permission intelligence contract simultaneously
Permission intelligence contract is deployed on block chain and the account address of the diamond side of being currently owned by is stored in permission intelligence contract
In step, and circulation information does not include declaration information, and in the last one step, wholesale side is closed by circulation intelligence
About make the change record of the account address of the circulation information generated and the diamond side of being currently owned by associated with identification identifier simultaneously
It stores in block chain account book.
When retail side from wholesale side buys diamond and when individual is from retail side purchase diamond, situation and wholesale Fang Congjin
It is identical that mouth side buys the case where diamond.
It should be understood that although the process of circulation of diamond is directed in above-described embodiment, it should be understood that this hair
The bright process of circulation suitable for other similar clauses.
The present invention records the information of the process of circulation of commodity, and the change of commodity permission is intelligently realized by permission
More, it solves the problems such as information asymmetry and set card in commodity transaction, reduces transaction risk and transaction cost, reached anti-
Pseudo- purpose.
Fig. 4 shows the schematic diagram of the permission updating device 400 based on block chain of embodiment according to the present invention.Device
400 may include: memory 401 and the processor 402 for being coupled to memory 401.Memory 401 for storing instruction, is handled
Device 402 is configured as the instruction stored based on memory 401 to realize for described in Fig. 1, Fig. 2 and Fig. 3 the step of method
In one or more of any step.
As shown in figure 4, device 400 can also include communication interface 403, for carrying out information exchange with other equipment.This
Outside, device 400 can also include bus 403, and memory 401, processor 402 and communication interface 403 are by bus 403 come each other
It is communicated.
Memory 401 may include volatile memory, also may include nonvolatile memory.Processor 402 can be with
It is central processing unit (CPU), microcontroller, specific integrated circuit (ASIC), digital signal processor (DSP), field-programmable
Gate array (FPGA) or other programmable logic device or the one or more collection for being configured as realization the embodiment of the present invention
At circuit.
Alternatively, the above-mentioned permission update method based on block chain can be that is, tangible by computer program product
Computer readable storage medium embodies.Computer program product may include computer readable storage medium, containing with
In the computer-readable program instructions for executing various aspects of the invention.Computer readable storage medium can be can keep and
Store the tangible device of the instruction used by instruction execution equipment.Computer readable storage medium can for example be but not limited to electricity
Store equipment, magnetic storage apparatus, light storage device, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate
Combination.The more specific example (non exhaustive list) of computer readable storage medium includes: portable computer diskette, hard
It is disk, random access memory (RAM), read-only memory (ROM), erasable programmable read only memory (EPROM or flash memory), quiet
State random access memory (SRAM), Portable compressed disk read-only memory (CD-ROM), digital versatile disc (DVD), memory
Stick, floppy disk, mechanical coding equipment, the punch card for being for example stored thereon with instruction or groove internal projection structure and above-mentioned times
The suitable combination of meaning.Computer readable storage medium used herein above is not interpreted instantaneous signal itself, such as radio
The electromagnetic wave of wave or other Free propagations, the electromagnetic wave propagated by waveguide or other transmission mediums are (for example, by optical fiber electricity
The light pulse of cable) or pass through electric wire transmit electric signal.
It should be noted that the above list is only specific embodiments of the present invention, it is clear that the present invention is not limited to above real
Example is applied, there are many similar variations therewith.If those skilled in the art directly exported from present disclosure or
All deformations associated, are within the scope of protection of the invention.
Claims (9)
1. a kind of permission update method based on block chain, which is characterized in that the described method includes:
Obtain Transaction Information and signature, wherein the Transaction Information includes identification identifier and the target account address of commodity;
The account address of the sender of the Transaction Information is obtained by the signature;
Permission intelligence contract is called according to the Transaction Information to verify the account address of described sender and currently gather around with commodity
Whether the account address for the side of having is consistent;
If consistent, the account address change of the commodity side of being currently owned by is the target account by the permission intelligence contract
Family address.
2. the method according to claim 1, wherein being adjusted when described sender is the exporter of the commodity
Before the step of permission intelligence contract further include:
The permission intelligence contract is simultaneously deployed on the node of the block chain by creation permission intelligence contract;
The account address of the commodity side of being currently owned by is stored in the permission intelligence contract.
3. the method according to claim 1, wherein before the step of obtaining Transaction Information and signature further include:
Identification identifier based on the commodity inquires the attribute information of the commodity on the block chain;
If the attribute information of the commodity can be inquired on the block chain, to the commodity side of being currently owned by sending
Purchase request.
4. the method according to claim 1, wherein the identification identifier for by cochain intelligence contract to institute
The attribute information for stating commodity carries out the symbol or code of processing acquisition.
5. according to the method described in claim 4, it is characterized in that, the identification identifier is by cochain intelligence contract to quotient
The attribute information of product carries out the cryptographic Hash of Hash operation acquisition.
6. the method according to claim 1, wherein further include: by circulating, intelligent contract makes the circulation generated
The change record of the account address of information and the commodity side of being currently owned by is associated with the identification identifier and stores
In block chain account book.
7. the method according to claim 1, wherein the circulation information include the commodity dealing information,
Declare at customs information and quality information.
8. a kind of permission updating device based on block chain, described device include:
Processor;And
Memory requires the processor perform claim in 1 to 7 for storing instruction
Described in any item methods.
9. a kind of computer readable storage medium, the storage medium includes instruction, when executed, the calculating
Method described in any one of processor perform claim requirement 1 to 7 of machine.
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CN110673851A (en) * | 2019-09-12 | 2020-01-10 | 广州蚁比特区块链科技有限公司 | Intelligent contract operation method and device and electronic equipment |
CN111383036A (en) * | 2020-03-20 | 2020-07-07 | 符安文 | Diamond supply tracking method based on block chain |
CN111523887A (en) * | 2020-04-15 | 2020-08-11 | 杭州溪塔科技有限公司 | Authority control method and device of intelligent contract read-only method and electronic equipment |
CN112131307A (en) * | 2020-07-15 | 2020-12-25 | 北京天德科技有限公司 | Novel multi-block chain and multi-intelligent contract interaction architecture |
CN112767163A (en) * | 2021-01-22 | 2021-05-07 | 支付宝(杭州)信息技术有限公司 | Block chain-based digital commodity transaction method and device |
CN112990918A (en) * | 2019-12-17 | 2021-06-18 | 上海唯链信息科技有限公司 | Method, system, electronic device and storage medium for determining right and transferring article |
CN114556865A (en) * | 2019-10-07 | 2022-05-27 | 三星电子株式会社 | Electronic device and method for managing block chain address by using same |
CN115375337A (en) * | 2022-10-25 | 2022-11-22 | 中国(上海)宝玉石交易中心有限公司 | Gem and jade tracing method and system based on material evidence integration |
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Application publication date: 20190621 |