CN116777397A - Electronic bill management method, device, terminal and storage medium based on block chain - Google Patents
Electronic bill management method, device, terminal and storage medium based on block chain Download PDFInfo
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Abstract
The application discloses an electronic bill management method, device, terminal and storage medium based on block chain, wherein the electronic bill management method comprises the following steps: receiving a business handling request and generating an electronic certificate; judging the service type, determining an intelligent contract corresponding to the electronic bill, and encrypting to generate a digital abstract of the electronic bill; according to the intelligent contract, invoking a blockchain system to upload the electronic bill and the voucher image to the blockchain; receiving a service query request, and confirming the query service type and query request object information; verifying the query request object, and confirming the query authority of the query request object; and acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, and verifying the digital abstract of the electronic bill. The application adds the blockchain technology into each business link of the business process of the enterprise system, realizes the storage, the non-falsification and the non-falsification of the electronic bill, improves the data access and sharing mechanism among platforms, and is convenient for enterprises to manage and monitor the business.
Description
Technical Field
The present application relates to the field of blockchain technologies, and in particular, to a blockchain-based electronic document management method, device, terminal, and storage medium.
Background
With the increasing market degree, international competition is increasingly strong, and enterprises rapidly improving operation capability and competition capability have become a critical problem, and a solution for improving the whole level of the enterprises is how to rapidly and stably promote digital construction.
At present, besides the basic digital upgrading and transformation, the enterprise business system also needs to meet the data access and sharing mechanism among all platforms, and meanwhile, the flowing electronic data is effectively monitored and anti-counterfeiting, so that the business system realizes the business asset digitization.
However, at present, electronic notes (including electronic business notes, electronic contracts and electronic hidden danger notification notes) of each link of signing, archiving and storing of the business system are stored in a database, so that the electronic notes are easy to forge and falsify, meanwhile, the authenticity of the electronic notes cannot be checked by a data access and sharing mechanism between platforms, and larger requirements are generated on the performance and storage safety of the business system.
Disclosure of Invention
In order to solve the technical problem, the first aspect of the application discloses a blockchain-based electronic document management method, which comprises the following steps:
receiving a business handling request, and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
according to the intelligent contract, a blockchain system is called to upload the electronic bill and the certificate image to a blockchain for distributed storage;
receiving a service query request, and confirming the query service type and query request object information;
verifying a query request object, and confirming the query authority of the query request object;
and acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
In one embodiment, the business transaction includes a plurality of business links, different business links generate different business tickets, the business tickets generate the electronic ticket and the voucher image based on a voucher storage interface specification, and the electronic ticket and the voucher image are transmitted to the voucher storage interface.
In one embodiment, the digital digest is encrypted by a one-way Hash function, and the electronic bill information is generated into a string of digital fingerprints with fixed lengths.
In one embodiment, the blockchain system receives a certification request, executes a simulated transaction of the blockchain network and signs the simulated transaction, constructs a transaction request corresponding to the certification request, orders the transaction request, generates a new block corresponding to the certification request, and broadcasts the new block to a master node of the blockchain network.
In one embodiment, receiving the query request queries the electronic ticket based on a query interface, the query interface being an authorized blockchain node.
In one embodiment, the query request object information includes identity information, authorization information and query permission information of a request object, the authorization information is a digital certificate authorized by the request object, the digital certificate is recorded with the identity information and the query permission information corresponding to the request object, and the query interface confirms the identity and the query permission of the request object by verifying the digital certificate.
In one embodiment, the electronic ticket and the credential image are acquired, further comprising the steps of: acquiring record information of the electronic bill and the digital abstract, and verifying whether the data of the electronic bill is complete by comparing the record information;
if the data is complete, returning the electronic bill and the certificate image;
if the data is incomplete, the query request is terminated.
The second aspect of the application discloses an electronic bill management device based on a blockchain, which comprises:
the business handling request module is used for receiving a business handling request and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
the data processing module is used for judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
the certification storage module is used for calling a blockchain system to upload the electronic bill and the certification image to a blockchain for distributed storage according to the intelligent contract;
the service inquiry request module is used for receiving a service inquiry request and confirming the inquiry service type and inquiry request object information;
the verification module is used for verifying the query request object and confirming the query authority of the query request object;
and the query result return module is used for acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
The third aspect of the present application discloses a blockchain-based electronic document management terminal, the terminal comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory to perform some or all of the steps in the blockchain-based electronic document management method disclosed in the first aspect of the present application.
A fourth aspect of the application discloses a computer storage medium storing computer instructions which, when invoked, are operable to perform part or all of the steps of the blockchain-based electronic document management method disclosed in the first aspect of the application.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
according to the application, the blockchain technology is added into each business link of the business process of the enterprise system, the electronic bill and the voucher images related to different business types are generated through the business bill, the uplink operation of the electronic bill and the voucher images is carried out through the intelligent contract, the distributed storage of different business bills is completed, meanwhile, the digital abstract corresponding to the electronic bill is generated for verifying the electronic bill by subsequent inquiry, the situation that the certificate of the electronic bill cannot be forged, tampered and endorsed is realized, and the legal effect of the electronic contract is ensured. Meanwhile, the system is sound, improves the data access and sharing mechanism between application platforms, supports related functions such as circulation, monitoring and anti-counterfeiting, realizes the digitization of business assets, and is convenient for enterprises to manage and monitor business.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow diagram of a blockchain-based electronic document management method in accordance with embodiments of the present application;
FIG. 2 is a schematic diagram of a blockchain-based electronic document management device according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, apparatus, article, or article that comprises a list of steps or modules is not limited to the list of steps or modules but may, in the alternative, include steps or modules not listed or inherent to such process, method, article, or article.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of a block chain-based electronic document management method according to an embodiment of the application. As shown in fig. 1, the blockchain-based electronic document management method may include the following operations:
s101: receiving a business handling request, and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
s102: judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
s103: according to the intelligent contract, a blockchain system is called to upload the electronic bill and the certificate image to a blockchain for distributed storage;
s104: receiving a service query request, and confirming the query service type and query request object information;
s105: verifying a query request object, and confirming the query authority of the query request object;
s106: and acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
In one embodiment, the business transaction includes a plurality of business links, different business links generate different business tickets, the business tickets generate the electronic ticket and the voucher image based on a voucher storage interface specification, and the electronic ticket and the voucher image are transmitted to the voucher storage interface.
It should be noted that, when the blockchain certificate storage interface receives a service handling request sent by the enterprise service platform, and then receives an electronic bill and a certificate image, the certificate image generally includes that a user shoots an image through front-end equipment, such as a mobile intelligent terminal, according to an image acquisition mode of enterprise service handling reference information.
It should be noted that, the business types involved in the enterprise business system are numerous, including but not limited to: the embodiment of the application generates the electronic bill according to the electronic bill and the certificate images of different service types and generates the digital abstract of the electronic bill, thereby further ensuring that the data cannot be forged.
In one embodiment, the digital digest is encrypted by a one-way Hash function, and the electronic bill information is generated into a string of digital fingerprints with fixed lengths.
It should be noted that the digital digest is a function of changing a message of an arbitrary length into a short message of a fixed length, and is similar to an argument being a message, that is, a Hash function. The digital digest is a string of ciphertext, i.e. a string of ciphertext with fixed length (128 bits), which is also called a digital fingerprint, by adopting a single Hash function, and has a fixed length, and different plaintext digests are formed into ciphertext, so that the result is always different, but the same plaintext has consistent digest, and the electronic bill information with any length is encrypted into the digital digest with fixed length by adopting a one-way Hash function, so that the integrity of the electronic bill data stored in a block chain is verified later.
In one embodiment, the blockchain system receives a certification request, executes a simulated transaction of the blockchain network and signs the simulated transaction, constructs a transaction request corresponding to the certification request, orders the transaction request, generates a new block corresponding to the certification request, and broadcasts the new block to a master node of the blockchain network.
In one embodiment, receiving the query request queries the electronic ticket based on a query interface, the query interface being an authorized blockchain node.
It should be noted that, the query interface may be accessed by different query mechanisms, where the query mechanisms refer to authorities or query mechanisms with security and legitimacy, the authorities all have blockchain nodes authorized to access and store electronic certificates, the authorization behavior is embodied in the authorization certificates, the authorization certificates may be electronic certificates, and the stator certificates include identity information of the corresponding authorities and authority information capable of querying electronic sheets of different services.
In one embodiment, the query request object information includes identity information, authorization information and query permission information of a request object, the authorization information is a digital certificate authorized by the request object, the digital certificate is recorded with the identity information and the query permission information corresponding to the request object, and the query interface confirms the identity and the query permission of the request object by verifying the digital certificate.
In one embodiment, the electronic ticket and the credential image are acquired, further comprising the steps of: acquiring record information of the electronic bill and the digital abstract, and verifying whether the data of the electronic bill is complete by comparing the record information;
if the data is complete, returning the electronic bill and the certificate image;
if the data is incomplete, the query request is terminated.
The application relates to an electronic bill management method based on a blockchain, which is characterized in that a blockchain technology is added into each business link of a business process of an enterprise system, electronic bill and voucher images related to different business types are generated through business bills, the uplink operation of the electronic bill and the voucher images is carried out through intelligent contracts, the distributed storage of different business bills is completed, meanwhile, a digital abstract corresponding to the electronic bill is generated for the verification of a follow-up inquiry electronic bill, the situation that the stored license of the electronic bill cannot be counterfeited, tampered and endorsed is realized, and the legal effect of the electronic contract is ensured. Meanwhile, the system is sound, improves the data access and sharing mechanism between application platforms, supports related functions such as circulation, monitoring and anti-counterfeiting, realizes the digitization of business assets, and is convenient for enterprises to manage and monitor business.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of an electronic bill management device based on blockchain according to an embodiment of the present application. As shown in fig. 2, the blockchain-based electronic document management device may include:
the business handling request module is used for receiving a business handling request and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
the data processing module is used for judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
the certification storage module is used for calling a blockchain system to upload the electronic bill and the certification image to a blockchain for distributed storage according to the intelligent contract;
the service inquiry request module is used for receiving a service inquiry request and confirming the inquiry service type and inquiry request object information;
the verification module is used for verifying the query request object and confirming the query authority of the query request object;
and the query result return module is used for acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
For the specific description of the electronic bill management device based on the blockchain, reference may be made to the specific description of the electronic bill management method based on the blockchain, which is not described in detail herein.
Example III
The embodiment of the application discloses an electronic bill management terminal based on a block chain, which can comprise:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes executable program code stored in the memory to perform the steps in the blockchain-based electronic document management method disclosed in the embodiment of the application.
Example IV
The embodiment of the application discloses a computer storage medium which stores computer instructions for executing the steps in the electronic bill management method based on blockchain disclosed in the embodiment of the application when the computer instructions are called.
The apparatus embodiments described above are merely illustrative, in which the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present application without undue burden.
From the above detailed description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course by means of hardware. Based on such understanding, the foregoing technical solutions may be embodied in essence or in a portion contributing to the prior art in the form of a software product that may be stored in a computer readable storage medium including Read-only memory (ROM), random access memory (RandomAccessMemory, RAM), programmable Read-only memory (PROM), erasable programmable Read-only memory (ErasableProgrammableReadOnlyMemory, EPROM), one-time programmable Read-only memory (One-OnlyMemory, OTPROM), electrically erasable programmable Read-only memory (CD-ROM) or other optical disk memory, magnetic disk memory, tape memory, or any other medium that can be used for carrying or storing data that is readable by a computer.
Finally, it should be noted that: the embodiment of the application discloses a block chain-based electronic bill management method, a block chain-based electronic bill management device, a block chain-based electronic bill management terminal and a block chain-based electronic bill management storage medium, which are disclosed as preferred embodiments of the application, are only used for illustrating the technical scheme of the application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; the technical scheme recorded in the various embodiments can be modified or part of technical features in the technical scheme can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A blockchain-based electronic document management method, the method comprising:
receiving a business handling request, and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
according to the intelligent contract, a blockchain system is called to upload the electronic bill and the certificate image to a blockchain for distributed storage;
receiving a service query request, and confirming the query service type and query request object information;
verifying a query request object, and confirming the query authority of the query request object;
and acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
2. The blockchain-based electronic document management method of claim 1, wherein the business transaction includes a number of business links, different business links produce different business tickets, the business tickets generate the electronic document and voucher images based on a voucher interface specification, and the electronic document and voucher images are transmitted to the voucher interface.
3. The blockchain-based electronic document management method of claim 1, wherein the digital digest is encrypted by a one-way Hash function, and the electronic document information is generated as a series of fixed-length digital fingerprints.
4. The blockchain-based electronic document management method of claim 1, wherein the blockchain system receives a certification request, performs a simulated transaction of a blockchain network and signs, constructs a transaction request corresponding to the certification request, orders the transaction request and generates a new block corresponding to the certification request, and broadcasts the new block to a master node of the blockchain network.
5. The blockchain-based electronic document management method of claim 1, wherein receiving the query request queries the electronic document based on a query interface, the query interface being an authorized blockchain node.
6. The blockchain-based electronic document management method of claim 1, wherein the query request object information includes identity information, authorization information and query authority information of a request object, the authorization information is a digital certificate authorized by the request object, the digital certificate is recorded with the identity information and the query authority information corresponding to the request object, and a query interface confirms the identity and the query authority of the request object by verifying the digital certificate.
7. The method for blockchain-based electronic document management as in claim 3, wherein,
the electronic bill and the certificate image are acquired, and the method further comprises the following steps:
acquiring record information of the electronic bill and the digital abstract, and verifying whether the data of the electronic bill is complete by comparing the record information;
if the data is complete, returning the electronic bill and the certificate image;
if the data is incomplete, the query request is terminated.
8. A blockchain-based electronic document management device, the device comprising:
the business handling request module is used for receiving a business handling request and generating an electronic certificate according to a business bill, wherein the electronic certificate comprises an electronic bill and a certificate image;
the data processing module is used for judging the service type according to the service handling request, determining an intelligent contract of the service type corresponding to the electronic bill, and generating a digital abstract of the electronic bill through encryption;
the certification storage module is used for calling a blockchain system to upload the electronic bill and the certification image to a blockchain for distributed storage according to the intelligent contract;
the service inquiry request module is used for receiving a service inquiry request and confirming the inquiry service type and inquiry request object information;
the verification module is used for verifying the query request object and confirming the query authority of the query request object;
and the query result return module is used for acquiring the electronic bill and the certificate image according to the intelligent contract corresponding to the service type, verifying the digital abstract of the electronic bill, and returning the electronic bill and the certificate image if the verification is passed.
9. A blockchain-based electronic document management terminal, the terminal comprising:
a memory storing executable program code;
a processor coupled to the memory;
the processor invokes the executable program code stored in the memory to perform the blockchain-based electronic document management method of any of claims 1-7.
10. A computer readable storage medium storing a computer program, wherein the computer program when executed by a processor implements a blockchain-based electronic document management method as in any of claims 1-7.
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| CN202310965689.0A CN116777397A (en) | 2023-08-02 | 2023-08-02 | Electronic bill management method, device, terminal and storage medium based on block chain |
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| CN202310965689.0A CN116777397A (en) | 2023-08-02 | 2023-08-02 | Electronic bill management method, device, terminal and storage medium based on block chain |
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| CN117436905A (en) * | 2023-11-27 | 2024-01-23 | 哈尔滨工程大学三亚南海创新发展基地 | Method, system, equipment and storage medium for generating service certificate chain |
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