CN116579515B - Block chain-based management system and method for incumbent enterprise guide - Google Patents
Block chain-based management system and method for incumbent enterprise guide Download PDFInfo
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Abstract
The invention discloses a block chain-based management system and method for an incumbent enterprise guide, wherein the system comprises the following components: the consensus module is used for storing the index item set, the auxiliary information and the consensus value into the full-sequence index block chain; the data processing module is used for deploying or updating the index set combined chain codes to the full-sequence block chain channel, extracting index items from the full-sequence block chain channel and calculating weight values of the index items; assigning values to the quality of service of a teacher in the two-dimensional mapping table, the growth of an incubators, the evaluation of the incubators and the evaluation of incubators, calculating a comprehensive evaluation value, and storing the assigned two-dimensional mapping table into an assignment result blockchain; and the data maintenance module is used for deploying or updating the chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values, and calling the entrepreneur comprehensive evaluation chain codes to add, delete or update the block chain of the qualified entrepreneur. The invention utilizes the block chain architecture to construct the distributed storage of the key data, so that the management efficiency and quality of entrepreneurs in the hatched enterprises are obviously improved.
Description
Technical Field
The invention relates to the technical field of blockchain information, in particular to a system and a method for managing an incumbent enterprise guide based on blockchains.
Background
The incubator plays a great role in promoting the development of high and new technology industry, incubating and cultivating small and medium-sized enterprises, and raising economy in the happy area, and cultivating new economy growth points, and the like, accelerates the construction of the incubator of the science and technology enterprises, is beneficial to accelerating the successful transformation of science and technology of the incubator, promotes the deep fusion of science and technology economy, and is beneficial to adjusting and optimizing the industrial structure and cultivating new economy growth points. The construction of the entrepreneur hatching platform provides scientific and technological support for industrial development, and promotes industrial upgrading and structural optimization. With the rapid development of economy and the continuous progress of science and technology, the rapid development of the science and technology service industry, which is mainly characterized by providing knowledge and technology services, has become one of the most active and fastest industries in the world today, and has become an important industry with high added value in the modern service industry. In the quality improvement and efficiency improvement process of the incubator for the scientific enterprises, the incubator should strengthen the training of staff, create specialized entrepreneur teams, develop the entrepreneur capacity improvement engineering of the incumbent enterprises, and provide accurate and high-quality entrepreneur services for the incumbent enterprises.
However, the conventional database storage adopted by the conventional entrepreneur has limited control means such as security and confidentiality, and high cost and price are required for realizing high-level security measures. Moreover, because of the centralized data storage and management mode, once the database is stolen or broken, important entrepreneur information and sensitive information in the incumbent enterprises can face disclosure, thereby causing serious loss.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a block chain-based management system and method for an incumbent enterprise teacher, and the block chain architecture is utilized to construct the distributed storage of key data, so that the management efficiency and quality of the incumbent enterprise teacher are obviously improved.
To achieve the above object, an embodiment of the present invention provides an incumbent business guide management system based on blockchain, including:
the consensus module is used for signing and encrypting the index item sets and the auxiliary information stored in the teacher service quality blockchain, the incubators growing blockchain, the incubators evaluating blockchain and the incubators evaluating blockchain after packaging, and storing the index item sets and the auxiliary information into a preselected index set blockchain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
the data processing module is used for deploying or updating the index set combined chain codes to the full-sequence block chain channel, calling the index set combined chain codes to extract index items from the full-sequence block chain channel and calculating the weight value of each index item; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
and the data maintenance module is used for deploying or updating chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channels of the qualified entrepreneur to add, delete or update the block chains of the qualified entrepreneur.
As an improvement of the above scheme, the system comprises a terminal layer, a service layer and a service layer;
the consensus module, the data processing module and the data maintenance module all belong to the service layer;
the terminal layer is used for supporting the terminal to transmit the query and input conditions to the service layer and displaying the information fed back by the service layer to the terminal;
the business layer also comprises a channel configuration and operation module, a blockchain transaction module and a chain code operation module; the business layer is used for processing core business managed by an incumbent business guide through the consensus module, the data processing module, the data maintenance module, the channel configuration and operation module, the blockchain transaction module and the chain code operation module;
the service layer is used for providing interface services, and the interface services comprise a certificate service interface, a chain code service interface, an account book service interface and a channel service interface.
As an improvement of the above solution, the channel configuration and operation module is specifically configured to:
calling a system chain code, reading node and anchor node configuration information in the block chain transaction process, and sending a request to the channel service interface to create a channel;
adding nodes in the block chain transaction process into the created channel, and configuring communication mechanisms between anchor nodes and between the nodes and a system;
sending a request to the account service interface to create a new account for the channel; wherein, the ledger is kept apart according to the passageway.
As an improvement of the above scheme, the blockchain transaction module is specifically configured to:
the transaction proposal submitted by the channel anchor node is sent to an endorsement node, and the transaction proposal is sent to a sequencing node after being verified by the endorsement node;
reading the time stamp after the block chain link point consensus process is completed by the sequencing node, sequencing the information which is prepared to be stored in the block chain according to the time stamp sequence, recording the information which is prepared to be stored in the block chain into a new block, and transmitting the newly generated block to the accounting node in a broadcasting mode;
reading an endorsement policy by the accounting node, checking whether the transaction can meet the endorsement policy, adding the block into an account book after verification, and broadcasting in a channel.
As an improvement of the above scheme, the chain code operation module is specifically configured to:
acquiring a target channel to be deployed with a chain code, and configuring transaction information required by deploying the chain code; the transaction information comprises the address, the path and the chain code name of the peer node;
verifying whether the deployment proposal has a signature of the identity of a certificate administrator or not through the peer node, and submitting the deployment chain code transaction proposal to an endorsement node after verification;
and checking the validity of the endorsement policy through the endorsement node, submitting the transaction in the channel after the checking, and completing the instantiation of the chain code.
As an improvement of the above solution, verifying the validity of the endorsement policy specifically includes:
verifying whether the endorsement policy contains a signature of an incubator management representative;
checking whether the endorsement policy is managed by the incubator on behalf of a successful endorsement transaction.
As an improvement of the above solution, the consensus module is further configured to:
invoking the certificate service interface to acquire an identity certificate for identifying an identity, a transaction certificate for blockchain transaction and a key certificate for encryption and decryption;
the index item set and the auxiliary information are packaged through the identity certificate, then signing and encryption are carried out, and the account service interface is called to store in a preselected index set blockchain;
and decrypting and checking the index item set and the auxiliary information in the preselected index set blockchain through the key certificate.
As an improvement of the scheme, the rule of the index set combined chain code is to adopt a preset proportion to respectively select index items with common recognition values ordered from big to small from the teacher service quality block chain, the incumbent growth block chain, the incumbent evaluation block chain and the incubator evaluation block chain.
As an improvement of the above scheme, the service layer adopts the interface service provided by Hyperledger Fabric.
The embodiment of the invention also provides a block chain-based management method for the incumbent corporation, which is applied to any of the above block chain-based management systems for the incumbent corporation, and comprises the following steps:
the index item sets and the auxiliary information stored in the teacher service quality block chain, the incubators growing block chain, the incubators evaluating block chain and the incubators evaluating block chain are packaged through the consensus module, then signed and encrypted, and stored in a preselected index set block chain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
deploying or updating an index set combined chain code to a full-sequence block chain channel through a data processing module, calling the index set combined chain code to extract index items from the full-sequence block chain channel, and calculating weight values of the index items; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
and deploying or updating chain codes to the block chain channel of the qualified entrepreneur according to the comprehensive evaluation value through a data maintenance module, and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channel of the qualified entrepreneur to add, delete or update the block chain of the qualified entrepreneur.
Compared with the prior art, the system and the method for managing the incumbent enterprises based on the blockchain have the beneficial effects that: the distributed storage of data and sensitive information is constructed by using a block chain architecture, so that the problem of serious loss caused by once the centralized database is stolen or destroyed is avoided, and the management efficiency and quality of the entrepreneurs in the hatched enterprises are obviously improved. By adopting the alliance chain architecture, a threshold for joining the node into the blockchain is established, higher confidentiality is realized to a certain extent through certificate services such as an identity certificate and an encryption certificate of a service layer and channel services such as channel communication and an anchor node, the node has higher non-repudiation, and counterfeit or falsified participants can be prevented. The account book is placed in different channels to further realize data isolation, data confidentiality is guaranteed, and the independent channels store less data, so that the data access and consensus efficiency is improved. The chain code mechanism is utilized to store the chain code in the non-tamperable blockchain, the chain code is traded in the virtual environment, the safety is greatly improved, meanwhile, the system is used for automatic trading after certain rules are met, the interference of human factors is reduced, and the flexibility and objectivity are high. The endorsement strategy adopts a notary mechanism, and an incubator management representative acts as a notary role, so that the incubator management representative is fully utilized as an intermediary mechanism to fully know information of entrepreneurs, specialists and incumbent enterprises, and potential risks and threats of transactions are reduced.
Drawings
FIG. 1 is a schematic block chain based architecture of a preferred embodiment of an incumbent business guide management system according to the present invention;
FIG. 2 is a schematic block chain based architecture of another preferred embodiment of an incumbent business director management system provided by the present invention;
FIG. 3 is a flow chart of a preferred embodiment of a blockchain-based method of incumbent business director management.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a block chain-based management system for an incumbent business director according to a preferred embodiment of the present invention. The blockchain-based incumbent business director management system includes:
the consensus module is used for signing and encrypting the index item sets and the auxiliary information stored in the teacher service quality blockchain, the incubators growing blockchain, the incubators evaluating blockchain and the incubators evaluating blockchain after packaging, and storing the index item sets and the auxiliary information into a preselected index set blockchain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
the data processing module is used for deploying or updating the index set combined chain codes to the full-sequence block chain channel, calling the index set combined chain codes to extract index items from the full-sequence block chain channel and calculating the weight value of each index item; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
and the data maintenance module is used for deploying or updating chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channels of the qualified entrepreneur to add, delete or update the block chains of the qualified entrepreneur.
Specifically, the block chain-based management system for the incumbent enterprises provided by the embodiment of the invention comprises a consensus module, a data processing module and a data maintenance module. The consensus module is used for signing and encrypting the index item sets and the auxiliary information stored in the teacher service quality block chain, the incubator growth block chain, the incubator evaluation block chain and the incubator evaluation block chain after packaging, and storing the index item sets and the auxiliary information into the preselected index set block chain. Illustratively, the expert determines the index item set and the ancillary information (the ancillary information includes a consideration cause and basis for each index item), packages the index item set and the ancillary information using the identity certificate, signs and encrypts the index item set and the ancillary information, and invokes the ledger service interface to store the index item set and the ancillary information in the first preselected index set blockchain. The expert inquires the index item set and the auxiliary information stored by all other experts of the first preselected index set block chain, firstly verifies whether other expert signatures are the experts authorized to submit the index item set, and after verifying the authenticity of the expert, adopts a key certificate to decrypt and check. The expert selects to modify or not modify the submitted index item set and the auxiliary information, packages the index item set and the auxiliary information by using the identity certificate, signs and encrypts the index item set and the auxiliary information, and calls the account service interface to store the index item set and the auxiliary information into a second preselected index set blockchain. And calling an index consensus set screening chain code in the second preselected index set block chain, calculating a consensus value of each index item, wherein the consensus value is the number of experts and/or the total number of the experts submitting the index item, packaging and encrypting the index item set, the auxiliary information and the consensus value, and calling an account service interface to store the index item set, the auxiliary information and the consensus value together, and simultaneously calling the account service interface to store the account service interface in the index set block chain. And counting the index number in the index set, and ending the consensus process if the number is larger than a set threshold value. The data processing module is used for deploying or updating the index set combined chain code to the full-sequence block chain channel and calling the index set combined chain code to extract index items from the full-sequence block chain channel. And calculating the characteristic proportion of each index item by using an entropy weight method, further calculating the information entropy of each index item by using the entropy weight method, and determining the weight value of each index item. Storing each index item and the corresponding weight value into a two-dimensional mapping table (index item, weight and assignment result), wherein the default value of the assignment result is 0, and storing the two-dimensional mapping table in a weight block chain after encryption and signature and then calling an account service interface. The experts in each field respectively fill the value which does not exceed the weight into the teacher service quality and the value which does not exceed the weight into the value of the growth of the hatched enterprise, the hatched enterprise represents the value which does not exceed the weight into the value of the evaluation of the hatched enterprise, and the hatched incubator represents the value which does not exceed the weight into the value of the evaluation of the hatched incubator. And (3) encrypting the assigned two-dimensional mapping table by using key certificates of experts in each field and signing the identity certificates, and then calling an account service interface to store the account service interface into an assignment result blockchain. Dscore, EIScore, escore and Iscore are calculated using each domain expert valuation sum/domain expert population, respectively. Wherein, dscore is a teacher service quality assignment result, an EIscore growth assignment result of an incubate enterprise, escore is an incubate enterprise evaluation assignment result, and an Iscore incubator evaluation assignment result. The comprehensive evaluation value was calculated using result= (dscore×10+eicore×40+escore×40+iscore×10)/100. The data maintenance module is used for deploying or updating the chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channels of the qualified entrepreneur to newly add, delete or update the block chains of the qualified entrepreneur. The rule of the chain code adopts the comprehensive evaluation value to be larger than a preset evaluation threshold value.
It should be noted that, in the embodiment of the present invention, the index item set corresponds to the blockchain. The index item sets are stored in the instructor service quality blockchain, the incumbent growing blockchain, the incumbent evaluating blockchain, and the incubator evaluating blockchain, respectively. If the set of the index items of the quality of the teacher service is proposed by the field expert according to the data and experience, the set of the index items of the quality of the teacher service can comprise aspects of the professional of the teacher service, the professional academic level of the teacher, the business establishment experience of the teacher, the guidance duration of the teacher, the response time of the service of the teacher and the like, and the aspects can be further refined, wherein each aspect comprises 2-5 index items, and the index items jointly form the set of the index items.
The embodiment of the invention utilizes the block chain architecture to construct the distributed storage of the data and the sensitive information, avoids the problem of serious loss caused by once the centralized database is stolen or destroyed, and obviously improves the management efficiency and quality of the entrepreneurs in the hatched enterprises.
In another preferred embodiment, the system comprises a terminal layer, a service layer and a service layer;
the consensus module, the data processing module and the data maintenance module all belong to the service layer;
the terminal layer is used for supporting the terminal to transmit the query and input conditions to the service layer and displaying the information fed back by the service layer to the terminal;
the business layer also comprises a channel configuration and operation module, a blockchain transaction module and a chain code operation module; the business layer is used for processing core business managed by an incumbent business guide through the consensus module, the data processing module, the data maintenance module, the channel configuration and operation module, the blockchain transaction module and the chain code operation module;
the service layer is used for providing interface services, and the interface services comprise a certificate service interface, a chain code service interface, an account book service interface and a channel service interface.
Referring specifically to fig. 2, fig. 2 is a schematic diagram of another preferred embodiment of a blockchain-based incumbent business director management system according to the present invention. The block chain-based management system for the incumbent enterprise guide in the embodiment of the invention comprises a terminal layer, a business layer and a service layer. Wherein, consensus module, data processing module and data maintenance module all belong to the business layer. The terminal layer is used for supporting terminals such as mobile phones, tablets, PCs and the like to transmit query and input conditions to the service layer and displaying information fed back by the service layer to the terminals. The business layer also comprises a channel configuration and operation module, a blockchain transaction module and a chain code operation module; the business layer is used for processing core business managed by the incumbent business guide through the consensus module, the data processing module, the data maintenance module, the channel configuration and operation module, the blockchain transaction module and the chain code operation module. The service layer is used for providing interface services, and the interface services comprise a certificate service interface, a chain code service interface, an account book service interface and a channel service interface.
The embodiment of the invention adopts a alliance chain architecture, establishes a threshold for joining the node into the blockchain, realizes higher confidentiality to a certain extent through certificate services such as an identity certificate and an encryption certificate of a service layer and channel services such as channel communication and an anchor node, has higher non-repudiation, and can prevent counterfeit or falsified participants.
In a further preferred embodiment, the channel configuration and operation module is specifically configured to:
calling a system chain code, reading node and anchor node configuration information in the block chain transaction process, and sending a request to the channel service interface to create a channel;
adding nodes in the block chain transaction process into the created channel, and configuring communication mechanisms between anchor nodes and between the nodes and a system;
sending a request to the account service interface to create a new account for the channel; wherein, the ledger is kept apart according to the passageway.
Specifically, the channel configuration and operation module in the embodiment of the invention is specifically used for calling the system chain code, reading the node and anchor node configuration information in the blockchain transaction process, and sending a request to the channel service interface to create a channel. Illustratively, the embodiment of the present invention creates 6 channels, each channel having a unique ID, each channel storing therein a leader quality of service blockchain, an incumbent growing blockchain, an incumbent evaluating blockchain, an incubator evaluating blockchain, a weighting blockchain, an assignment result blockchain, a qualified entrepreneur blockchain, respectively, and the anchor node may belong to an intermediary node that is added to a plurality of channels and becomes a member of channel information transfer according to the configuration. After the channel is successfully created, the nodes in the blockchain transaction process are added into the created channel, and communication mechanisms between the anchor nodes and the nodes and between the nodes and the system are configured. Sending a request to an account service interface to create a new account for the channel; wherein, the ledger is kept apart according to the passageway.
According to the embodiment of the invention, the account book is placed in different channels, so that data isolation is further realized, data confidentiality is ensured, and the independent channels store less data, so that the data access and consensus efficiency is improved.
In yet another preferred embodiment, the blockchain transaction module is specifically configured to:
the transaction proposal submitted by the channel anchor node is sent to an endorsement node, and the transaction proposal is sent to a sequencing node after being verified by the endorsement node;
reading the time stamp after the block chain link point consensus process is completed by the sequencing node, sequencing the information which is prepared to be stored in the block chain according to the time stamp sequence, recording the information which is prepared to be stored in the block chain into a new block, and transmitting the newly generated block to the accounting node in a broadcasting mode;
reading an endorsement policy by the accounting node, checking whether the transaction can meet the endorsement policy, adding the block into an account book after verification, and broadcasting in a channel.
Specifically, the block chain transaction module in the embodiment of the invention is specifically configured to send a transaction proposal submitted by a designated channel anchor node to an endorsement node, where the transaction proposal is verified by the endorsement node and then sent to a sorting node. And reading the time stamp after the block chain link point consensus process is completed by the sequencing node, sequencing the information which is prepared to be stored in the block chain according to the sequence of the time stamp, recording the information which is prepared to be stored in the block chain into a new block, and transmitting the newly generated block to the accounting node in a broadcast mode. Reading the endorsement policy by the accounting node, checking whether the transaction can meet the endorsement policy, adding the block to the account book after verification, and broadcasting in the channel.
In a further preferred embodiment, the chain code operation module is specifically configured to:
acquiring a target channel to be deployed with a chain code, and configuring transaction information required by deploying the chain code; the transaction information comprises the address, the path and the chain code name of the peer node;
verifying whether the deployment proposal has a signature of the identity of a certificate administrator or not through the peer node, and submitting the deployment chain code transaction proposal to an endorsement node after verification;
and checking the validity of the endorsement policy through the endorsement node, submitting the transaction in the channel after the checking, and completing the instantiation of the chain code.
Specifically, the link code operation module in the embodiment of the invention is specifically configured to obtain a target channel to be deployed with a link code through a channel ID, and configure transaction information required by deploying the link code; the transaction information comprises the address, the path and the chain code name of the peer node. And verifying whether the deployment proposal has a signature of the identity of the certificate manager through the peer node, and submitting the deployment chain code transaction proposal to an endorsement node after verification. And checking the validity of the endorsement strategy through the endorsement node, submitting the transaction in the channel after the checking, and completing the instantiation of the chain code.
According to the embodiment of the invention, the chain code is stored in the non-tamperable blockchain by utilizing a chain code mechanism, the chain code is transacted in a virtual environment, so that the safety is greatly improved, meanwhile, the system is used for automatically transacting after a certain rule is met, the interference of human factors is reduced, and the flexibility and objectivity are higher.
In a further preferred embodiment, verifying the validity of the endorsement policy specifically comprises:
verifying whether the endorsement policy contains a signature of an incubator management representative;
checking whether the endorsement policy is managed by the incubator on behalf of a successful endorsement transaction.
Specifically, verifying the validity of the endorsement policy specifically includes: checking whether the endorsement policy contains a signature of an incubator management representative; a check endorsement policy is managed by the incubator to represent a successful endorsement transaction. Since the endorsement policy must contain the signature of the incubator management representative and the successful endorsement transaction by the incubator management representative is a valid endorsement.
In the embodiment of the invention, the endorsement strategy adopts a notary mechanism, and the incubator management representative acts as a notary role, so that the incubator management representative is fully utilized as an intermediary mechanism to fully know information of an entrepreneur, an expert and an incumbent enterprise, and potential risk and threat of transaction are reduced.
In a further preferred embodiment, the consensus module is further for:
invoking the certificate service interface to acquire an identity certificate for identifying an identity, a transaction certificate for blockchain transaction and a key certificate for encryption and decryption;
the index item set and the auxiliary information are packaged through the identity certificate, then signing and encryption are carried out, and the account service interface is called to store in a preselected index set blockchain;
and decrypting and checking the index item set and the auxiliary information in the preselected index set blockchain through the key certificate.
Specifically, the identification module in the embodiment of the invention is further used for calling the certificate service interface, obtaining the identity certificate for identifying the identity, the transaction certificate for block chain transaction and the key certificate for encryption and decryption, and obtaining the total number of experts participating in the common identification and the signature information of each expert from the system. The expert determines the index item set and the auxiliary information (the auxiliary information comprises the consideration reason and the basis of each index item), packages the index item set and the auxiliary information by using the identity certificate, signs and encrypts the index item set and the auxiliary information, and calls the account service interface to store the index item set and the auxiliary information into a first preselected index set blockchain. The expert inquires the index item set and the auxiliary information stored by all other experts of the first preselected index set block chain, firstly verifies whether other expert signatures are the experts authorized to submit the index item set, and after verifying the authenticity of the expert, adopts a key certificate to decrypt and check.
In yet another preferred embodiment, the rule of the index set combined chain code is to select index items with common identity values sorted from big to small from the teacher quality of service blockchain, the incumbent growing blockchain, the incumbent evaluating blockchain, and the incubator evaluating blockchain, respectively, in a preset ratio.
Illustratively, the rule of the index set combined chain code is to select index items with common recognition values ordered from big to small from the director service quality block chain, the incumbent growing block chain, the incumbent evaluating block chain and the incubator evaluating block chain respectively according to the ratio of 30:40:20:10.
Preferably, the service layer adopts interface service provided by Hyperledger Fabric.
Specifically, in the embodiment of the present invention, the service layer preferably adopts an interface service provided by Hyperledger Fabric, where the interface service includes a certificate service interface, a chain code service interface, an account book service interface and a channel service interface. The identity certificate, the encryption certificate and other certificate services of the service layer, the channel communication, the anchor node and other channel services realize higher confidentiality to a certain extent, have higher non-repudiation and can prevent counterfeit or falsified participants.
Correspondingly, the invention also provides a block chain-based management method for the incumbent corporation, which is applied to the block chain-based management system for the incumbent corporation.
Referring to fig. 3, fig. 3 is a flowchart of a block chain-based method for managing incumbent business directors according to a preferred embodiment of the present invention. The block chain-based management method for the incumbent enterprise guide comprises the following steps:
s1, packing index item sets and auxiliary information stored in a teacher service quality block chain, an incubators growing block chain, an incubators evaluating block chain and an incubators evaluating block chain through a consensus module, signing and encrypting, and storing the index item sets and auxiliary information in a preselected index set block chain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
s2, deploying or updating an index set combined chain code to a full-sequence block chain channel through a data processing module, calling the index set combined chain code to extract index items from the full-sequence block chain channel, and calculating weight values of the index items; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
and S3, deploying or updating chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values through a data maintenance module, and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channels of the qualified entrepreneur to add, delete or update the block chains of the qualified entrepreneur.
Preferably, the block chain-based management method for an incumbent business director further comprises:
calling a system chain code through a channel configuration and operation module, reading node and anchor node configuration information in the block chain transaction process, and sending a request to the channel service interface to create a channel;
adding nodes in the block chain transaction process into the created channel, and configuring communication mechanisms between anchor nodes and between the nodes and a system;
sending a request to the account service interface to create a new account for the channel; wherein, the ledger is kept apart according to the passageway.
The transaction proposal submitted by the channel anchor node is sent to an endorsement node through a blockchain transaction module, and the transaction proposal is sent to a sequencing node after being verified by the endorsement node;
reading the time stamp after the block chain link point consensus process is completed by the sequencing node, sequencing the information which is prepared to be stored in the block chain according to the time stamp sequence, recording the information which is prepared to be stored in the block chain into a new block, and transmitting the newly generated block to the accounting node in a broadcasting mode;
reading an endorsement policy by the accounting node, checking whether the transaction can meet the endorsement policy, adding the block into an account book after verification, and broadcasting in a channel.
Acquiring a target channel to be deployed with a chain code through a chain code operation module, and configuring transaction information required by deploying the chain code; the transaction information comprises the address, the path and the chain code name of the peer node;
verifying whether the deployment proposal has a signature of the identity of a certificate administrator or not through the peer node, and submitting the deployment chain code transaction proposal to an endorsement node after verification;
and checking the validity of the endorsement policy through the endorsement node, submitting the transaction in the channel after the checking, and completing the instantiation of the chain code.
Preferably, verifying the validity of the endorsement policy specifically includes:
verifying whether the endorsement policy contains a signature of an incubator management representative;
checking whether the endorsement policy is managed by the incubator on behalf of a successful endorsement transaction.
Preferably, the block chain-based management method for an incumbent business director further comprises:
invoking the certificate service interface through the consensus module to acquire an identity certificate for identifying an identity, a transaction certificate for blockchain transaction and a key certificate for encryption and decryption;
the index item set and the auxiliary information are packaged through the identity certificate, then signing and encryption are carried out, and the account service interface is called to store in a preselected index set blockchain;
and decrypting and checking the index item set and the auxiliary information in the preselected index set blockchain through the key certificate.
Preferably, the rule of the index set combined chain code is to select index items with common identification values ordered from big to small from the teacher service quality block chain, the incumbent growing block chain, the incumbent evaluating block chain and the incubator evaluating block chain respectively by adopting a preset proportion.
Preferably, the service layer employs interface services provided by Hyperledger Fabric.
The embodiment of the invention provides a block chain-based management system and a block chain-based management method for an incumbent enterprise, which utilize a block chain architecture to construct distributed storage of data and sensitive information, so that the problem of serious loss caused by once a centralized database is stolen or destroyed is avoided, and the management efficiency and quality of the incumbent enterprise entrepreneur are obviously improved. By adopting the alliance chain architecture, a threshold for joining the node into the blockchain is established, higher confidentiality is realized to a certain extent through certificate services such as an identity certificate and an encryption certificate of a service layer and channel services such as channel communication and an anchor node, the node has higher non-repudiation, and counterfeit or falsified participants can be prevented. The account book is placed in different channels to further realize data isolation, data confidentiality is guaranteed, and the independent channels store less data, so that the data access and consensus efficiency is improved. The chain code mechanism is utilized to store the chain code in the non-tamperable blockchain, the chain code is traded in the virtual environment, the safety is greatly improved, meanwhile, the system is used for automatic trading after certain rules are met, the interference of human factors is reduced, and the flexibility and objectivity are high. The endorsement strategy adopts a notary mechanism, and an incubator management representative acts as a notary role, so that the incubator management representative is fully utilized as an intermediary mechanism to fully know information of entrepreneurs, specialists and incumbent enterprises, and potential risks and threats of transactions are reduced.
It should be noted that the system embodiments described above are merely illustrative, and that the units described as separate units may or may not be physically separate, and that units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the system embodiment of the present invention, the connection relationship between the modules represents that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (8)
1. An incubating enterprise teacher management system based on blockchain, comprising:
the consensus module is used for signing and encrypting the index item sets and the auxiliary information stored in the teacher service quality blockchain, the incubators growing blockchain, the incubators evaluating blockchain and the incubators evaluating blockchain after packaging, and storing the index item sets and the auxiliary information into a preselected index set blockchain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
the data processing module is used for deploying or updating the index set combined chain codes to the full-sequence block chain channel, calling the index set combined chain codes to extract index items from the full-sequence block chain channel and calculating the weight value of each index item; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
the data maintenance module is used for deploying or updating chain codes to the block chain channels of the qualified entrepreneur according to the comprehensive evaluation values and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channels of the qualified entrepreneur to add, delete or update the block chains of the qualified entrepreneur;
the system also comprises a terminal layer, a service layer and a service layer;
the consensus module, the data processing module and the data maintenance module all belong to the service layer;
the terminal layer is used for supporting the terminal to transmit the query and input conditions to the service layer and displaying the information fed back by the service layer to the terminal;
the business layer also comprises a channel configuration and operation module, a blockchain transaction module and a chain code operation module; the business layer is used for processing core business managed by an incumbent business guide through the consensus module, the data processing module, the data maintenance module, the channel configuration and operation module, the blockchain transaction module and the chain code operation module;
the service layer is used for providing interface services, and the interface services comprise a certificate service interface, a chain code service interface, an account book service interface and a channel service interface;
the consensus module is further to:
invoking the certificate service interface to acquire an identity certificate for identifying an identity, a transaction certificate for blockchain transaction and a key certificate for encryption and decryption;
the index item set and the auxiliary information are packaged through the identity certificate, then signing and encryption are carried out, and the account service interface is called to store in a preselected index set blockchain;
and decrypting and checking the index item set and the auxiliary information in the preselected index set blockchain through the key certificate.
2. The blockchain-based incumbent business director management system of claim 1, wherein the channel configuration and operation module is specifically configured to:
calling a system chain code, reading node and anchor node configuration information in the block chain transaction process, and sending a request to the channel service interface to create a channel;
adding nodes in the block chain transaction process into the created channel, and configuring communication mechanisms between anchor nodes and between the nodes and a system;
sending a request to the account service interface to create a new account for the channel; wherein, the ledger is kept apart according to the passageway.
3. The blockchain-based incumbent business guide management system of claim 1, wherein the blockchain transaction module is specifically configured to:
the transaction proposal submitted by the channel anchor node is sent to an endorsement node, and the transaction proposal is sent to a sequencing node after being verified by the endorsement node;
reading the time stamp after the block chain link point consensus process is completed by the sequencing node, sequencing the information which is prepared to be stored in the block chain according to the time stamp sequence, recording the information which is prepared to be stored in the block chain into a new block, and transmitting the newly generated block to the accounting node in a broadcasting mode;
reading an endorsement policy by the accounting node, checking whether the transaction can meet the endorsement policy, adding the block into an account book after verification, and broadcasting in a channel.
4. The blockchain-based incumbent business guide management system of claim 1, wherein the chain code operation module is specifically configured to:
acquiring a target channel to be deployed with a chain code, and configuring transaction information required by deploying the chain code; the transaction information comprises the address, the path and the chain code name of the peer node;
verifying whether the deployment proposal has a signature of the identity of a certificate administrator or not through the peer node, and submitting the deployment chain code transaction proposal to an endorsement node after verification;
and checking the validity of the endorsement policy through the endorsement node, submitting the transaction in the channel after the checking, and completing the instantiation of the chain code.
5. The blockchain-based incumbent business director management system of claim 4, wherein verifying the validity of the endorsement policy specifically comprises:
verifying whether the endorsement policy contains a signature of an incubator management representative;
checking whether the endorsement policy is managed by the incubator on behalf of a successful endorsement transaction.
6. The blockchain-based incumbent business director management system of claim 1, wherein the rule of the index set combination chain code is to select index items with a consensus value ordered from big to small from the director quality of service blockchain, the incumbent growing blockchain, the incumbent evaluation blockchain, and the incubator evaluation blockchain, respectively, in a preset ratio.
7. The blockchain-based incumbent business guide management system of claim 1, wherein the service layer employs interface services provided by Hyperledger Fabric.
8. A blockchain-based incumbent management method applied to the blockchain-based incumbent management system of any of claims 1-7, the method comprising:
the index item sets and the auxiliary information stored in the teacher service quality block chain, the incubators growing block chain, the incubators evaluating block chain and the incubators evaluating block chain are packaged through the consensus module, then signed and encrypted, and stored in a preselected index set block chain; invoking an index consensus set screening chain code in the pre-selected index set block chain, calculating a consensus value of each index item, packaging and encrypting an index item set, auxiliary information and the consensus value of which the consensus value reaches a preset threshold, and storing the index item set, the auxiliary information and the consensus value into a full-sequence index block chain;
deploying or updating an index set combined chain code to a full-sequence block chain channel through a data processing module, calling the index set combined chain code to extract index items from the full-sequence block chain channel, and calculating weight values of the index items; storing each index item and a corresponding weight value into a two-dimensional mapping table, assigning values to the quality of service of a menter, the growth of an incubator, the evaluation of the incubator and the evaluation of an incubator in the two-dimensional mapping table, calculating a comprehensive evaluation value according to the assigned two-dimensional mapping table, and storing the assigned two-dimensional mapping table into an assignment result block chain;
and deploying or updating chain codes to the block chain channel of the qualified entrepreneur according to the comprehensive evaluation value through a data maintenance module, and calling the entrepreneur comprehensive evaluation chain codes deployed on the block chain channel of the qualified entrepreneur to add, delete or update the block chain of the qualified entrepreneur.
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