CN113329060A - System and method for practice experience certification based on Fabric alliance chain - Google Patents
System and method for practice experience certification based on Fabric alliance chain Download PDFInfo
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Abstract
The invention discloses a practice experience certification system and method based on a Fabric alliance chain. The system adopts Hyperhedger Fabric as a distributed account book, adopts a web website to interact with a user, adopts the touchDB as a database for storing the practice experience of a intern, adopts Hyperhedger index to provide an identity certificate for a practice company, adopts components Explorer and Caliper provided by Hyperhedger to improve the system performance, and can help a user unit to recruit appropriate talents.
Description
Technical Field
The invention belongs to the technical field of block chain management, and particularly relates to a practice experience certification system and method based on a Fabric alliance chain.
Background
In the recruitment process, the employing unit requires the applicant to provide the resume, and the appropriate talents are screened through the resume. The practice experience in the resume often appears in the case of counterfeiting of the practice experience in the resume due to lack of a formal way to check the truth of the practice information from corresponding companies, even partial network e-commerce platforms appear in the transaction about 'practice certification', the selling price of the practice experience is commonly between dozens of yuan and hundreds of yuan, and 'private customization' can be carried out according to the requirements of purchasers, which causes great obstacles for screening proper talents by using human units.
Disclosure of Invention
The invention aims to provide a practice experience proving method for ensuring the accuracy of practice information.
The technical scheme of the invention is as follows:
a practice experience proving method based on a Fabric alliance chain is provided, firstly, a practice experience proving system is established based on a Hyperhedger Fabric alliance chain, the users of the system have education management users, practice company users, practice student users and verification users, each type of user uses the system by registering, the system provides different authorities for different types of users, the education management user is responsible for managing information of the intern user and analyzing the training data, the intern user can provide a training certificate for the intern qualified after obtaining the identity certificate, the intern user checks the obtained training certificate on the system and obtains a related secret key after applying for verifying the training certificate, the identity certificate of the intern can also be checked, and the verification user can verify the training experience of the intern and check the identity authentication of the intern after taking the inquiry secret key.
The method stores the trainee practice experience into the non-tamper-able traceable block chain distributed account book, provides a way for the employing unit to check the compliance of the practice experience, and the platform itself serves as a trusted third party verifier, thereby ensuring that effective practice experience proof is provided and helping the employing unit to recruit proper talents.
In the training process, the regularity of the training company plays an important role in mastering corresponding skills, improving the technical level and acquiring the practice experience of the trainee in the training process, and the business level of the training company also reflects the gold content of the training experience laterally. According to the method, the identity certificate is provided for the intern by adopting the Indy, a safe and reliable intern related person network is provided, the intern can log in the system to check the identity certificate of the company, and a guarantee is provided for the intern to select the regular intern.
The method stores the information into the alliance chain distributed account book, the practice company stores the practice information of the trainee into the block chain platform for the verification of the human unit, the processing flow is simplified, the complexity of practice experience certification is reduced, and the talent recruitment efficiency can be improved.
The different types of user rights in the invention are respectively:
(1) the education management user has the authority of managing the users of the practice companies, managing the users of the trainees and performing identity authentication and objective evaluation on the practice companies;
(2) the user of the intern has the authority of managing the user of the intern, providing the intern practice certification and objectively evaluating the comprehensive quality of the intern;
(3) the intern user has the authority to check the practice certificate, apply for verification of the practice certificate and check the identity authentication of the practice company;
(4) and the verification user has the authority of verifying the practice experience of the trainees and checking the identity authentication of the practice companies.
In the Fabric alliance chain, if a group of participants creates a channel, only licensed users can have a ledger copy of the channel. In the method, the trainee practice information is stored in the block chain in an encryption mode and can be checked only by granting the key by the trainee, so that the trainee privacy information is effectively protected.
The practice company provides practice experience proof, can provide comprehensive quality evaluation for students, and provides reference for a person-using unit to choose talents, and the concrete functions of the practice company user include:
(1) the practice company can provide practice certification for the qualified trainees
(2) For the person to inquire whether the experience of practice is true
(3) Providing proof of identity for a regular practice company
(4) Provide platform for education department to manage student practice experience
The method adopts HyperLegendre Fabric as a distributed account book, the practice experience proving method based on the Fabric alliance chain adopts web foreground and background to interact with users, and the couchDB is used as a database for storing the practice experiences of interns, so that the data can not be tampered.
Hyperridge Fabric is an open source block chain distributed account book, aims to realize a bottom basic framework of a universal authority block chain, and adopts a modular framework to provide switchable and extensible components for being suitable for different occasions, wherein the switchable and extensible components comprise services such as consensus algorithm, encryption safety, digital assets, intelligent contracts, identity authentication and the like. The Fabric overcomes the defects of low throughput of public link projects, no privacy of transaction disclosure, no final certainty, low efficiency of consensus algorithm and the like, solves the problem of expandability to a great extent, and enables users to conveniently develop large-scale application.
The invention adopts HyperLegger Indy to provide identity certification for practice companies.
HyperLegger Indy aims to create a digital center management platform based on a block chain and a distributed account book technology, supports operations of cross-block chain and cross-application, and adopts Indy to manage digital identities of practice companies, so that the regularity of the practice companies can be ensured, and the rights and interests of practice students can be guaranteed.
Nodes in Indy are divided into verifier nodes and observer nodes. The verifier node is mainly used for processing a write request initiated by a client and participating in the consensus of transaction; the observer node is mainly responsible for processing requests of the client to read data and synchronizing state data from the verification node. The Indy collects data through thousands of nodes distributed in the world, carries out cross validation according to a built-in algorithm, and adopts an encryption technology of zero knowledge proof at a place related to privacy protection.
The method adopts the component Explorer provided by the HyperLEdger to check the relevant information of the block, and the component Caliper performs performance evaluation and continuously optimizes the system.
The Explorer project is located by a browser of the blockchain platform, and can view, call, deploy, or query blocks, network information, chain codes, transaction sequences, and other relevant information stored in the blockchain. According to the method, the related information of the block is checked by using the Explorer in background development, and the system performance is improved.
The Caliper is a block chain benchmark performance evaluation framework, the key component of the Caliper is an adaptation layer, and different block chains are integrated with the Caliper framework. An adapter is implemented for each environment to be tested, and the function of the adapter is to convert the northbound interface of the Caliper into a protocol implemented for a corresponding block chain. The northbound interface of the Caliper is a series of universal block chain interfaces, and comprises various operations of installing an intelligent contract, calling the intelligent contract, inquiring the state of an account book and the like in interaction with a rear-end block chain system.
A method for establishing a experience proving system based on Hyperridge Fabric alliance chain practice comprises the following steps:
step one, constructing a Fabric distributed account book;
(1) Hyperled-Fabric network environment construction
a. Downloading HyperLegger-Fabric related binary files;
b. compiling a related configuration file; configuring organization related information of a blockchain network, organizing related information of internal nodes and users, and generating corresponding blockchain network dependent files through commands provided by Hyperhedger-Fabric, wherein the blockchain network dependent files comprise a channel file, an initial blockchain file, a blockchain network organization node related file and an organization node identity authentication information related file;
c. compiling an intelligent contract; writing chain codes by using a go language, introducing a related API into an intelligent contract and calling the API in a chain code interface, and defining a storage structure of a certificate in a blockchain in a chain code file;
d. compiling a docker-compound file, wherein the file content is related to a block chain organization node structure and is used for starting a docker mirror image environment dependent on the operation of a block chain network; b, mapping the relevant files generated in the step b into the mirror images to serve as operation dependent files of different mirror images; configuring a corehdb database in the docker-compound file to replace a Fabric default leveldb state database;
e. starting a docker mirror image environment corresponding to the docker-compound, and if the mirror image environment is normally started, successfully building a block chain network;
(2) initialization operations
After the blockchain network is successfully built for the first time, initializing operation is required to be carried out on the blockchain network, wherein the initializing operation comprises channel establishing operation, node adding operation, node chain code installing operation and Fabric-ca registering operation, the initializing operation is realized through a command line or Fabric-sdk, and the initializing operation on the blockchain network can be completed by transmitting specific parameters when application is started;
(3) data interaction via smart contracts
Four operations for training experience data in a block chain are written in an intelligent contract, namely basic functions of adding, deleting, modifying and searching are achieved, and each function is achieved by calling an API provided by Fabric; the query method depends on a couchDB state database, and different query conditions are defined through a query string format specified by the couchDB so as to realize a query function;
secondly, establishing an enterprise identity certificate through the Indy, starting a local pool of an Indy node to complete the deployment of the Indy pool, and carrying out proper identity verification or authorized calling on the Indy pool through an API (application program interface) of the Fabric, or adopting an agent simplified flow of the Indy to call the agent for identity verification;
step three, building a web website to realize interaction with four users, and using a component Explorer provided by a Hyperleader to view the relevant information of the block; developing a background management system and a foreground display interface, wherein the background management system is used for an education management department to arrange data of a practice company and a intern and provide practice proofs and comprehensive quality evaluation for the intern, and the background management system adopts Explorer to check, call, deploy or inquire blocks, network information, chain codes, transaction sequences and other related information stored in a block chain; the foreground display interface is used for the trainee user to check the obtained training certificate, the query key and the identity certificate of the trainee, and is used for the verification user to verify the trainee training experience and check the identity authentication of the trainee after taking the query key;
performing performance evaluation by using an assembly Caliper provided by Hyperhedger, and continuously optimizing the system; and continuously testing and adjusting parameters during development through TPS (TPS) generated by the Caliper, time delay, system resource occupation and other block chain performance indexes to enable the system to meet the development requirements.
The invention has the beneficial effects that:
the method adopts HyperLegendr Fabric as a distributed account book, adopts a web website to interact with a user, adopts the touchDB as a database for storing the practice experience of the intern, and utilizes the technical advantages of block chain safety, privacy, traceability, information symmetry and trustiness to ensure that the practice information is correct and effective and that the data cannot be tampered.
In the method, the practice company provides practice experience proofs, and can also provide comprehensive quality evaluation for students, so as to provide reference for a person unit to choose talents. The method adopts HyperLegger Iny to provide identity identification for interns and guarantee for interns to select qualified interns.
Drawings
FIG. 1 is a technical architectural design of the system of the present invention;
fig. 2 shows the permissions and functions of the system users.
Detailed Description
As shown in fig. 1 and 2, a method for establishing a training experience certification system based on a Hyperhedger Fabric alliance chain includes the following steps:
step one, constructing a Fabric distributed account book
(1) Hyperled-Fabric network environment construction
a. Downloading HyperLegger-Fabric related binary files;
b. and writing a related configuration file. The method comprises the steps of configuring organization related information of the blockchain network, organizing related information of internal nodes and users, various strategy mechanisms used by the blockchain network and the like. Generating corresponding block chain network dependent files through a command provided by HyperLegger-Fabric, wherein the block chain network dependent files comprise a channel file, an initial block file, a block chain network organization node related file, an organization node identity authentication information related file and the like;
c. and (5) compiling an intelligent contract. In the method, a chain code is written by using a go language, a related API is introduced into an intelligent contract and called in a chain code interface, and meanwhile, a storage structure of a certificate in a block chain is defined in a chain code file.
d. Compiling a docker-compound file, wherein the file content is related to a block chain organization node structure and is used for starting a docker mirror image environment dependent on the operation of a block chain network; mapping the relevant files generated in the step into the mirror images to be used as operation dependent files of different mirror images; configuring a corehdb database in the docker-compound file to replace a Fabric default leveldb state database;
e. and starting a docker mirror image environment corresponding to the docker-compound. If the mirror image environment is normally started, building a block chain network successfully;
(2) initialization operations
After the blockchain network is successfully built for the first time, initialization operation needs to be performed on the blockchain network, wherein the initialization operation includes channel creation operation, node adding operation, node chain code installation operation, Fabric-ca registration operation and the like. Initialization may be accomplished through a command line or Fabric-sdk, which passes specific parameters when an application is started to complete initialization of the blockchain network.
(3) Data interaction via smart contracts
Four operations for the practice experience data in the blockchain are written in the intelligent contract, namely basic functions of adding, deleting, modifying and checking. Each function is realized by calling an API provided by Fabric; the query method depends on a couchDB state database, and different query conditions are defined through a query character string format specified by the couchDB so as to realize a query function.
And step two, establishing an enterprise identity certificate through the Indy, starting a local pool of an Indy node to complete the deployment of the Indy pool, and performing proper identity verification or authorized calling on the Indy pool through an API (application program interface) of the Fabric, or adopting an agent simplified flow of the Indy to call the agent for identity verification.
And step three, building a web website to realize interaction with four users, and using a component Explorer provided by Hyperridge to view the relevant information of the block. And developing a background management system and a foreground display interface, wherein the background management system is used for the education management department to arrange the data of the interns and the interns, and the interns provide practice proofs and comprehensive quality evaluation for the interns. The backend management system may use Explorer to view, call, deploy, or query tiles, network information, chain codes, transaction sequences, and other relevant information stored in a chain of tiles. The foreground display interface is used for the trainee user to check the obtained training certificate, obtain the query key and check the identity certificate of the trainee company, and is used for the verification user to verify the trainee experience and check the identity authentication of the trainee company after taking the query key.
And step four, performing performance evaluation by using the component Caliper provided by the Hyperhedger, and continuously optimizing the system. And continuously testing and adjusting parameters during development through TPS (TPS) generated by the Caliper, time delay, system resource occupation and other block chain performance indexes to enable the system to meet the development requirements.
The invention is not the best known technology.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. A practice experience proving method based on a Fabric alliance chain is characterized in that: the method comprises the steps that firstly, a practice experience certification system is established based on a Hyperhedger Fabric alliance chain, users of the system comprise education management users, practice company users, practice student users and verification users, each type of user uses the system through registration, the system provides different authorities for different types of users, the education management users are responsible for managing information of the practice company users and the practice student users and analyzing practice data, the practice company users can provide practice certifications for the practice students qualified after obtaining the identity certifications, the practice student users view the obtained practice certifications on the system and obtain related keys after applying for verifying the practice certifications, the identity certifications of the practice companies can also be viewed, and the practice experiences can be verified and identity authentication of the practice companies can be viewed after the verification users take the query keys.
2. The method of claim 1, wherein the method comprises: the different types of user rights are:
(1) the education management user has the authority of managing the users of the practice companies, managing the users of the trainees and performing identity authentication and objective evaluation on the practice companies;
(2) the user of the intern has the authority of managing the user of the intern, providing the intern practice certification and objectively evaluating the comprehensive quality of the intern;
(3) the intern user has the authority to check the practice certificate, apply for verification of the practice certificate and check the identity authentication of the practice company;
(4) and the verification user has the authority of verifying the practice experience of the trainees and checking the identity authentication of the practice companies.
3. The method of claim 2, wherein the method comprises: the method adopts HyperLegendre Fabric as a distributed account book, the practice experience proving method based on the Fabric alliance chain adopts web foreground and background to interact with users, and the couchDB is used as a database for storing the practice experiences of interns, so that the data can not be tampered.
4. The method of claim 3, wherein the method comprises: and providing the identity certificate for the practice company by adopting HyperLegger Indy.
5. The method of claim 4, wherein the method comprises: the method adopts the component Explorer provided by the HyperLEdger to check the relevant information of the block, and the component Caliper performs performance evaluation and continuously optimizes the system.
6. A method for establishing a experience proving system based on Hyperridge Fabric alliance chain practice is characterized in that: the method comprises the following steps:
step one, constructing a Fabric distributed account book;
(1) Hyperled-Fabric network environment construction
a. Downloading HyperLegger-Fabric related binary files;
b. compiling a related configuration file; configuring organization related information of a blockchain network, organizing related information of internal nodes and users, and generating corresponding blockchain network dependent files through commands provided by Hyperhedger-Fabric, wherein the blockchain network dependent files comprise a channel file, an initial blockchain file, a blockchain network organization node related file and an organization node identity authentication information related file;
c. compiling an intelligent contract; writing chain codes by using a go language, introducing a related API into an intelligent contract and calling the API in a chain code interface, and defining a storage structure of a certificate in a blockchain in a chain code file;
d. compiling a docker-compound file, wherein the file content is related to a block chain organization node structure and is used for starting a docker mirror image environment dependent on the operation of a block chain network; b, mapping the relevant files generated in the step b into the mirror images to serve as operation dependent files of different mirror images; configuring a corehdb database in the docker-compound file to replace a Fabric default leveldb state database;
e. starting a docker mirror image environment corresponding to the docker-compound, and if the mirror image environment is normally started, successfully building a block chain network;
(2) initialization operations
After the blockchain network is successfully built for the first time, initializing operation is required to be carried out on the blockchain network, wherein the initializing operation comprises channel establishing operation, node adding operation, node chain code installing operation and Fabric-ca registering operation, the initializing operation is realized through a command line or Fabric-sdk, and the initializing operation on the blockchain network can be completed by transmitting specific parameters when application is started;
(3) data interaction via smart contracts
Four operations for training experience data in a block chain are written in an intelligent contract, namely basic functions of adding, deleting, modifying and searching are achieved, and each function is achieved by calling an API provided by Fabric; the query method depends on a couchDB state database, and different query conditions are defined through a query string format specified by the couchDB so as to realize a query function;
secondly, establishing an enterprise identity certificate through the Indy, starting a local pool of an Indy node to complete the deployment of the Indy pool, and carrying out proper identity verification or authorized calling on the Indy pool through an API (application program interface) of the Fabric, or adopting an agent simplified flow of the Indy to call the agent for identity verification;
step three, building a web website to realize interaction with four users, and using a component Explorer provided by a Hyperleader to view the relevant information of the block; developing a background management system and a foreground display interface, wherein the background management system is used for an education management department to arrange data of a practice company and a intern and provide practice proofs and comprehensive quality evaluation for the intern, and the background management system adopts Explorer to check, call, deploy or inquire blocks, network information, chain codes, transaction sequences and other related information stored in a block chain; the foreground display interface is used for the trainee user to check the obtained training certificate, the query key and the identity certificate of the trainee, and is used for the verification user to verify the trainee training experience and check the identity authentication of the trainee after taking the query key;
performing performance evaluation by using an assembly Caliper provided by Hyperhedger, and continuously optimizing the system; and continuously testing and adjusting parameters during development through TPS (TPS) generated by the Caliper, time delay, system resource occupation and other block chain performance indexes to enable the system to meet the development requirements.
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