CN111553496A - Electronic warranty list management system based on alliance block chain - Google Patents
Electronic warranty list management system based on alliance block chain Download PDFInfo
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- CN111553496A CN111553496A CN202010359086.2A CN202010359086A CN111553496A CN 111553496 A CN111553496 A CN 111553496A CN 202010359086 A CN202010359086 A CN 202010359086A CN 111553496 A CN111553496 A CN 111553496A
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Abstract
The invention relates to the technical field of computers, and discloses an electronic warranty receipt management system based on an alliance block chain, which comprises an enterprise warranty receipt service application front end and an alliance block chain rear end, wherein the enterprise warranty receipt service application front end is composed of a user client and a cloud end manager, the alliance block chain rear end is constructed in an alliance block structure mode, the user client is application software for a consumer user to apply for enterprise warranty services, and the user client and the cloud end manager are in safe communication so that the user can complete related operations based on the electronic warranty receipt service. This electronic warranty list management system based on block chain of alliance for consumer's warranty list has advantages such as convenient, persistence, can replace traditional paper warranty list and traditional electronic warranty list completely, therefore provides safe and reliable, traceable warranty service for the consumer, adopts the electronic maintenance to singly replace paper maintenance list simultaneously, environmental protection, reduce cost, convenient to use.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an electronic warranty list management system based on an alliance block chain.
Background
According to consumer rights and benefits protection, after a manufacturer sells a product to a user, a product quality guarantee service needs to be provided for the consumer. The product quality warranty is a legal proof from which the consumer may seek after-market product quality warranty services from the manufacturer. The traditional product quality guarantee is single and generally adopts a paper form, and is reserved by consumers, however, the paper guarantee has the problems of easy loss, correction, counterfeiting, damage and the like, so that the guarantee is difficult to identify. When a consumer needs to assist the merchant in the after-market service of a product, the merchant may refuse if there is no valid warranty, which may result in loss of the consumer's rights.
The electronic warranty single-substituted paper warranty sheet stored based on the block chain is adopted, so that on one hand, the electronic warranty single-substituted paper warranty sheet has no paper consumption and has green and environmental benefits, the cost is reduced, and the resources are saved; on the other hand, the defect that the paper warranty bill is difficult to store is overcome, and the identification, query and statistical processing are convenient. In addition, as a novel technology, the block chain technology has the remarkable characteristics of distributed high-redundancy storage (each node stores one piece of data), time sequence data, non-falsification and forgery, safety and privacy protection, decentralized credit, automatic execution intelligent contract and the like, so that the electronic warranty list management system based on the block chain has the characteristic of decentralized application, and can overcome the defect that the traditional application is highly dependent on a central server. In the blockchain system, information and data are stored in a blockchain form, and due to the characteristics of time stamping of blockchain data, common verification and recording by a common identification node, and incapability of tampering and counterfeiting, the characteristics enable user information and a warranty in the blockchain electronic warranty service system to have certain authenticity, traceability and security.
There are various chains within a blockchain, but perhaps the most practical and promising of today is the federation chain,
because the function of the interconnection and the intercommunication of the internet and the function of information sharing are better played. The value of the federation chain is greater compared to the operating space and efficiency of the private chain; compared with the problem of uncontrollable and privacy security of complete decentralization of a public chain, the alliance chain is more flexible and operable, and meanwhile, the ecological alliance is more quickly established, and the block chain technology is better utilized to change the working mode and the living mode.
Hyperledger is currently gaining higher acceptance and attention from some industries as a federated blockchain solution project initiated by the Linux foundation. The Fabric is a core project of the Hyperridge and is mainly used for building a Hyperridge alliance chain/private chain, providing a block chain basic operation environment and supporting an intelligent contract-chain code operation function. The positioning of the Fabric project is a distributed account book platform facing enterprises, and a permission management mechanism is introduced, so that pluggable and extensible design is supported. An upper application interface API and a software development tool are provided in development, which is beneficial for enterprises to develop own blockchain applications, and reduces development cost and development period.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an electronic warranty list management system based on an alliance block chain, which is stored and managed in an electronic archive manner based on the block chain, and has the advantages of convenience in query and statistics, safety, non-falsification, and traceability.
The invention adopts the following technical scheme for realizing the technical purpose: the electronic warranty receipt management system based on the alliance block chain comprises an enterprise warranty receipt service application front end and an alliance block chain rear end, wherein the enterprise warranty receipt service application front end is composed of a user client and a cloud manager, the alliance block chain rear end is constructed in an alliance block structure mode, the user client is application software of a consumer user for applying enterprise warranty services and is in safe communication with the cloud manager so that the user can complete related operations based on the electronic warranty receipt service, the user client is in signal connection with the cloud manager, the cloud manager is in signal connection with network nodes of the block chain through a block chain API (application programming interface) warranty receipt application interface and an SDK (software description key) and executes related chain codes through the nodes to store user information and electronic warranty receipt information into a block chain data block.
Furthermore, the product warranty is stored in the block chain data block in the form of electronic information, the traditional paper warranty is replaced, and the management system provides electronic warranty service based on the block chain.
Further, the user client comprises user registration, login, warranty bill creation, warranty bill inquiry, warranty service application and other operations.
Further, the chain codes of the federation blocks are of 7 types: the method comprises the steps of inquiring a user, creating a user, inquiring a warranty bill, detecting the expiration, creating a warranty bill and updating the warranty bill, wherein the account book mainly comprises two types of basic data of the user and the warranty bill.
Further, the communication and interaction process between the cloud manager and the block chain system of the alliance adopts a form of calling an API interface and an SDK function, wherein the block chain API interface and the SDK include: the method comprises the following steps of communication authentication between a cloud manager and a node, user inquiry, user creation, user updating, warranty inquiry, warranty creation and warranty updating.
Further, the bidirectional authentication process between the user client and the cloud manager, the verification and the verification of the user registration information, the user registration information are stored in the cloud database, the newly-built user SDK is called, and the newly-built user chain code is executed through the block chain API interface to store the user registration information in the block chain.
Further, the user client uploads invoice credentials, and the cloud manager queries corresponding product sales orders from a cloud database; and the cloud manager staff examines the invoice credentials, applies the warranty single board to produce warranty bill information, calls a newly-built warranty bill SDK, executes a newly-built warranty bill chain code through the block chain API interface, and saves the newly-built warranty bill information in the block chain.
Further, the user side and the cloud manager perform bidirectional authentication, then a user name and a password are input to complete user login, then the cloud manager calls a query user information SDK, a query user chain code is executed through a block chain API (application program interface), and finally the queried user information is returned to the user client side.
Further, the user client finishes a user query process, submits a warranty list display request to the cloud manager, then the cloud manager calls the security list query information SDK, the chain code of the security list query and the overdue detection chain code are executed through the block chain API, finally, queried warranty data and states are returned to the user client, and all warranty list lists of the user are displayed.
Further, the user client selects a certain unexpired warranty record from the warranty list,
submitting a request for applying a warranty list service to a cloud manager, wherein the cloud manager reviews the current warranty list application, calls an update warranty list state 1SDK, executes modification of a warranty list chain code through a block chain API interface, sets the warranty list state into processing, and the cloud manager finishes the product warranty list service offline through an operator, calls an update warranty list state 2SDK, executes modification of the warranty list chain code through the block chain API interface, and sets the warranty list state into finished.
Further, the cloud manager is one or more background servers deployed in the cloud, and a decentralized application program for realizing the electronic warranty service based on the block chain is run on the cloud manager; the method provides convenient, safe and reliable electronic maintenance order service for the consumer, and transfers the user information and the warranty order record of the consumer into the Fabric blockchain system.
Further, the alliance blockchain system adopts an Hperledge-Fabric alliance blockchain network platform system, and mainly comprises an enterprise subnet Channel and a member service provider MSP, which provide a basic operation environment of the blockchain, wherein the enterprise subnet Channel comprises a plurality of nodes Peer, and the nodes are composed of a chain code Channel and a book edge, and the chain code has 7 types: creating a user, inquiring the user, updating the user, creating a guarantee bill, inquiring the guarantee bill, detecting the expiration, and updating the guarantee bill; the account book mainly comprises two types of basic data of a user and a warranty.
The invention has the following beneficial effects:
1. according to the electronic warranty list management system based on the block chain of the alliance, by means of the authority of the block chain data, the conditions of counterfeiting, losing and the like of warranty service data are avoided, and therefore the maintenance cost of product warranty service between consumers and production enterprises is effectively reduced.
2. The electronic warranty bill management system based on the alliance block chain fully utilizes the distributed storage and the non-falsification characteristic of the block chain, so that the warranty bill can be prevented from being falsified and lost; in addition, the block chain data block is stored in a time sequence chain form, the data and the transaction process have traceability, and a consumer can trace back to check the product warranty record at any time.
3. The electronic warranty list management system based on the block chain of the alliance has the advantages of convenience, long-lasting storage and the like for the warranty list of a consumer, can completely replace the traditional paper warranty list and the traditional electronic warranty list,
therefore, safe, reliable and traceable warranty service is provided for consumers, and meanwhile, the electronic maintenance single-substituted paper maintenance list is adopted, so that the method is environment-friendly, reduces the cost and is convenient to use.
4. According to the electronic warranty single management system based on the alliance block chain, a user client side accesses a data intermediate bridge of the block chain in an indirect mode through a cloud manager, the problems that the number of block chain links is large, the operation is slow, the system is difficult to maintain and the like due to the fact that the number of the client sides is large are solved, and the system is superior to a conventional client side direct connection node Peer for accessing a block chain application system.
Drawings
FIG. 1 is a diagram of an electronic warranty management system architecture based on a federation blockchain;
FIG. 2 is a functional principle and flowchart of user registration and new warranty sheet creation;
FIG. 3 is a functional principle and flowchart of user login and application for warranty service.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a structure diagram of the entire system platform, specifically as follows:
the whole platform comprises two basic parts, namely an enterprise warranty list service application front end and a hybrid fiber Fabric block chain rear end. The front-end part can comprise one or more cloud managers and user clients, and the cloud managers can accept connection of the user clients; the cloud manager is a management server deployed in the cloud by an enterprise, and is called the cloud manager for short. On one hand, the cloud manager performs safe communication with the user client, responds to the request of the user client and returns a data result; on the other hand, the cloud manager serves as an application client of the alliance blockchain network, performs remote data interaction with the corresponding nodes of the blockchain, and completes access and dump of user data to the blockchain.
The application front end comprises a user client and a cloud manager, and both adopt a Bowser/Server communication architecture mode. The user client is client software provided for the consumer user to use, and the software can run on a PC desktop computer or a mobile intelligent terminal such as a mobile phone and a tablet. The user uses the client to complete user registration, login, warranty entry, inquiry and warranty service application. The user client can be configured and connected to a certain cloud manager in the application framework at will, and one cloud manager can support connection and processing of a plurality of user clients.
And the cloud manager is called through the block chain API and the SDK and realizes the network node communication with the Fabric chain code through the Internet. The invention provides a plurality of API interfaces based on the specification of the Fabric alliance blockchain system: node search and connection, client identity authentication, user query, user save, user update, warranty query, warranty save, warranty update, and the like.
The block chain system supports the common participation of a plurality of enterprises in managing the block chain, each enterprise can establish own exclusive logical sub-network Channel, and each sub-network Channel runs one or more nodes Peer. The member management provider MSP comprises two parts of a subnet policy CP and a CA authorization certificate. One MSP manages one Channel, and the CP controls the parameter configuration and the quantity of the subnet nodes; the CA manages the authorization certificates of the nodes.
The cloud database stores internal data information of the enterprise, such as product sales information and basic information of block chain network connection configuration. User-related private data, such as user information and warranty information, is stored on the blockchain. Even if the enterprise database fails, the private data of the user is not lost or damaged due to the high redundancy characteristic of distributed storage of the private data stored on the block chain.
FIG. 2 illustrates the implementation of user registration and the creation of a new warranty, as follows:
in order to ensure the security of the system, the communication between the user client and the cloud manager needs to be verified in two ways, wherein the digital certificates respectively store the local user client and the cloud database server.
After the cloud manager and the user client are successfully subjected to bidirectional authentication, the cloud manager calls a 'newly-built user SDK' function module, a 'newly-built user' chain code is called by a node by using a block chain API (application program interface), and write-in transaction operation of a block chain data block of user registration information is executed, wherein the specific flow is as follows:
1) the user client side and the cloud manager perform bidirectional authentication, and a safe communication link connection is established between the user client side and the cloud manager;
2) a consumer inputs user registration information at a user client and sends the user registration information to a cloud manager; when registering, the user needs to fill in the registration information, which includes: user name, password, user UID mobile phone number, email, home address, etc.
3) The cloud manager receives the user registration information, performs verification and audit operation on the user registration information, and then stores the user registration information in a cloud database;
4) the cloud manager calls a 'newly-built user SDK', triggers a block chain network node to execute a 'newly-built user' chain code through a block chain API interface to complete transaction operation, and inputs user registration information into a data block of a block chain account book for storage;
5) and the cloud manager returns the processing result information of the user registration to the user client.
A consumer creates a warranty bill and uploads invoice vouchers of product purchase through a user client in advance;
the cloud manager needs to find a corresponding product sales order from the cloud database according to the invoice certificate, then the system automatically generates a warranty order by using a warranty single mode board, relevant staff review warranty information,
calling the SDK function module of the newly-built warranty list after success, calling the chain code of the newly-built warranty list by using the API interface of the block chain and the node, executing the write-in transaction operation of the block chain data block of the warranty list information,
the specific process is as follows:
1) the user client initiates a 'new warranty bill' operation, inputs product purchase information of a consumer, and uploads an invoice credential picture to the cloud manager;
2) the cloud manager receives product purchase information of a user client, inquires and finds a corresponding product sales order from a cloud database, and the staff checks corresponding invoice credentials;
3) if the verification is successful, automatically selecting a proper warranty form template from the warranty form template base according to the product purchase information system to generate warranty form information; the basic information of the warranty sheet includes product name, model number,
Product number, consumer UID, date of manufacture, date of sale, address of sale, date of warranty, and the like.
4) The cloud manager calls the 'newly-built maintenance order SDK', triggers a block chain network node to execute a 'newly-built maintenance order' chain code through a block chain API interface to complete transaction operation, and inputs newly-built maintenance order information into a data block of a block chain account book for storage;
5) and the cloud manager returns the processing result information of the 'newly built warranty' to the user client to complete the operation of newly building the warranty.
FIG. 3 shows a user logging in and applying for warranty services. The following were used:
the operation of applying for the warranty service at the user client comprises the following steps: the user logs in, displays the information of the warranty list, selects the warranty list and applies for the warranty service.
The cloud manager responding operation comprises the following steps: inquiring user information, inquiring a warranty bill, checking a warranty application, submitting the warranty application and executing a warranty service. The operation of the chain code block chain comprises the following steps: inquiring a user chain code, inquiring a warranty list chain code, an overdue detection chain code and modifying the warranty list chain code, wherein the overdue detection chain code is nested and called in the inquired warranty list chain code to judge whether the warranty list is overdue or not and modify the overdue state of the warranty list.
The user login process comprises the following steps:
1) the user client side and the cloud manager perform bidirectional authentication, and a safe communication link connection is established between the user client side and the cloud manager;
2) a consumer inputs login information such as a user name, a password and the like at a user client and sends the login information to a cloud manager;
3) the cloud manager receives user login information (UID) and calls 'query' using the UID as an input parameter
User information module for calling inquiry user by block chain network node through block chain API interface "
A chain code;
4) the blockchain network node executes the 'enquiry user' chain code, which is enquired from the blockchain account book
UID user information exists, and query results are returned to cloud manager through API interface
Module for inquiring user information;
5) the query user information module of the cloud manager determines the query result returned from the blockchain,
if the login information which indicates that the user inputs is correct exists; otherwise, it is wrong. And returns the processing result
To the user client.
6) The user client receives a user login result from the cloud manager and presents result information to a user.
Wherein the warranty list shows the following procedures:
1) the user client refreshes the warranty list and sends a 'warranty display' request operation to the cloud manager;
2) the cloud manager responds to a user client request, calls an 'inquiry warranty' module by taking a user UID as an inquiry parameter, and triggers a block chain network node to call an 'inquiry warranty' chain code through a block chain API interface;
3) the block chain network node executes a 'query warranty' chain code, the chain code queries warranty list data corresponding to the UID from a block chain account book, and the data is returned to a 'query warranty' module of the cloud manager through an API (application programming interface);
4) the cloud manager receives the user warranty list from the blockchain system and returns the user warranty list to the user client;
5) the user client receives the user warranty list from the cloud manager and presents the user warranty list to the user.
The process of applying for warranty service is as follows:
1) selecting a warranty note record from a warranty note list by a user in a user client, and sending a 'warranty service application' request operation to a cloud manager by taking a GID (general identification) as an application object correspondingly;
2) the cloud manager responds to a user client request, calls an 'audit warranty service application' module by taking a user UID and a warranty GID as parameters, and calls an 'update warranty state 1' module after the audit is successful;
3) the cloud manager triggers a block chain network node to call a 'modified warranty list' chain code through a block chain API (application program interface), modifies the corresponding warranty list state in a block chain account book into an 'auditing state', simultaneously returns the modified result to the user client, and refreshes the warranty list information of the user client-indicating that the currently applied service is in the auditing state;
4) related staff of the cloud manager provide the off-line warranty service of the current warranty list for the consumer, and if the warranty service is successfully executed, a module for updating the state 2 of the warranty list is called to modify the state of the corresponding warranty list in the block chain account book into a finished state.
Description of the drawings: since the step 4) involves executing the warranty service offline, the process takes a certain period of time, and therefore the "finished state" of the warranty form of the step 4) needs to be checked by the consumer calling the "display warranty form" module after logging in the user client next time.
In summary, the electronic warranty list management system based on the block chain of the alliance avoids the situations of counterfeiting, losing and the like of warranty service data by means of the authority of the block chain data, thereby effectively reducing the maintenance cost around product warranty service between consumers and production enterprises.
Moreover, the electronic warranty bill management system based on the alliance block chain fully utilizes the distributed storage and the non-falsification characteristic of the block chain, so that the warranty bill can be prevented from being falsified and lost; in addition, the block chain data block is stored in a time sequence chain form, the data and the transaction process have traceability, and a consumer can trace back to check the product warranty record at any time.
Moreover, the electronic warranty list management system based on the block chain of the alliance enables a warranty list of a consumer to have the advantages of convenience, long-term storage and the like, can completely replace a traditional paper warranty list and a traditional electronic warranty list, and therefore provides safe, reliable and traceable warranty service for the consumer.
In addition, according to the electronic warranty management system based on the alliance block chain, a user client side accesses a data intermediate bridge of the block chain in an indirect mode through a cloud manager, the problems that the number of block chain links is large, the operation is slow, the system is difficult to maintain and the like due to the fact that the number of the client sides is large are solved, and the system is superior to a conventional system that the client side is directly connected with a node Peer to access a block chain application system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Electronic warranty list management system based on alliance block chain, including enterprise warranty list service application front end and alliance block chain rear end, its characterized in that: the enterprise warranty list service application front end is composed of a user client and a cloud manager, the alliance block chain rear end is constructed in an alliance block structure mode, the user client is application software of a consumer user for enterprise warranty services, the user client is in signal connection with the cloud manager, the cloud manager is in signal connection with network nodes of a block chain through a block chain API warranty list application interface and an SDK, and user information and electronic warranty list information are stored in a block chain data block through nodes executing related chain codes.
2. A federation block chain-based electronic warranty management system according to claim 1 wherein: the product warranty list is stored in a block chain data block in the form of electronic information, and the management system provides electronic warranty list service based on the block chain.
3. A federation block chain-based electronic warranty management system according to claim 1 wherein: the client comprises the operations of user registration, login, new warranty list creation, warranty list inquiry, warranty service application and the like.
4. A federation block chain-based electronic warranty management system according to claim 1 wherein: the chain codes for the federation blocks are of 7 types: creating a user, inquiring the user, updating the user, creating a guarantee bill, inquiring the guarantee bill, detecting the expiration and updating the guarantee bill.
5. A federation block chain-based electronic warranty management system according to claim 1 wherein: the communication and interaction process of the cloud manager and the block chain system of the alliance adopts an API (application programming interface) and an SDK (software development kit) function calling mode, wherein the block chain API and the SDK comprise: the method comprises the following steps of communication authentication of a cloud manager and a node, user inquiry, user creation, user updating, maintenance bill creation, maintenance bill inquiry, expiration detection and maintenance bill updating.
6. A federation block chain-based electronic warranty management system according to claim 3 wherein: the bidirectional authentication process of the user client and the cloud manager, the verification and the verification of the user registration information, the user registration information are stored in the cloud database, the newly-built user SDK is called, and the newly-built user chain code is executed through the block chain API interface to store the user registration information in the block chain.
7. A federation block chain-based electronic warranty management system according to claim 3 wherein: the user client uploads invoice credentials, and the cloud manager inquires a corresponding product sales order from a cloud database; and the cloud manager staff examines the invoice credentials, applies the warranty single board to produce warranty bill information, calls a newly-built warranty bill SDK, executes a newly-built warranty bill chain code through the block chain API interface, and saves the newly-built warranty bill information in the block chain.
8. A federation block chain-based electronic warranty management system according to claim 3 wherein: the user side and the cloud manager perform bidirectional authentication, then a user name and a password are input to complete user login, then the cloud manager calls a query user information SDK, a query user chain code is executed through a block chain API (application program interface), and finally the queried user information is returned to the user client side.
9. A federation block chain-based electronic warranty management system according to claim 3 wherein: the user client finishes a user query process, submits a warranty list display request to the cloud manager, then the cloud manager calls the service list query information SDK, executes the service list query chain code and the overdue detection chain code through the block chain API interface, and finally returns the queried warranty list data and state to the user client to display all warranty list lists of the user.
10. A federation block chain-based electronic warranty management system according to claim 3 wherein: the user client selects a certain unexpired warranty record from the warranty list, submits a request for applying the warranty service to the cloud manager, the cloud manager reviews the current warranty application, calls an updated warranty state 1SDK, modifies the warranty chain code through the block chain API interface, sets the warranty state into processing, the cloud manager completes the product warranty service offline through an operator, calls an updated warranty state 2SDK, modifies the warranty chain code through the block chain API interface, and sets the warranty state into finished.
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