CN115310886B - Enterprise hatching management system and method based on block chain - Google Patents

Enterprise hatching management system and method based on block chain Download PDF

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CN115310886B
CN115310886B CN202211244201.7A CN202211244201A CN115310886B CN 115310886 B CN115310886 B CN 115310886B CN 202211244201 A CN202211244201 A CN 202211244201A CN 115310886 B CN115310886 B CN 115310886B
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matching degree
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CN115310886A (en
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李军
周凌云
罗宇恒
刘良斌
陈晓佳
黎丽娜
卢琰
李海威
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Guangdong Science & Technology Infrastructure Center
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Abstract

The invention discloses an enterprise incubation management system and method based on a block chain, wherein distributed storage of distributed incubation enterprise and entrepreneurship resource data is constructed by using a Hyperhedger block chain architecture, and relatively independent incubation enterprise data and entrepreneurship resource data are placed in different channels by using a channel technology of a basic facility layer, so that logical isolation of an account book is realized, and the security and confidentiality of the data are increased. The improved block chain encryption function can support the national secret encryption and signature algorithm, and a management mechanism of a scientific and technological enterprise incubator serves as an intermediary and a credit guarantee mechanism by adopting a digital certificate function and a chain code mechanism, so that the automatic execution of entrepreneurship resource transaction information data is ensured, the service efficiency is improved, and the confidentiality, the integrity and the safety of information are ensured.

Description

Enterprise hatching management system and method based on block chain
Technical Field
The invention relates to the technical field of block chain information, in particular to an enterprise hatching management system and method based on a block chain.
Background
The incubator of the scientific and technological enterprise provides various entrepreneurship services and a public service platform for vast entrepreneurs, and provides good help for entrepreneurship enterprises to assist the incubation enterprises to successfully incubate. The existing incubator increasingly improves the capability and efficiency of providing services for incubation enterprises by means of informatization. The online hatching platform is an important means for helping the enterprises to grow rapidly in various technical enterprises.
However, the traditional online hatching system or platform adopts centralized data storage and a single information security control technology, the adopted password control and information encryption means are not high in security, once the database is broken, important technical information and business passwords of customers can be leaked, and business losses are caused, particularly for the key intellectual property and the important technical and business information of enterprises related to the use of various entrepreneurial resources, which are key core data of hatching enterprises and hatching service organizations, a reliable mode is needed to control and manage the information assets.
Disclosure of Invention
In order to solve the technical problems, the invention provides an enterprise hatching management system and method based on a block chain, which are used for carrying out enterprise hatching management based on the block chain technology and ensuring the information safety of an enterprise hatching management process.
The embodiment of the invention provides an enterprise hatching management system based on a block chain, which comprises:
the service matching and synchronizing module is used for reading the service requirements uploaded by the incubation enterprise from the service requirement block chain which is set up in advance according to the sequence of the timestamps, sending the read service requirements to the channel anchor node in the service requirement block chain, and carrying out legality verification and decryption operation on the service requirements by the anchor node
The automatic service matching module is used for receiving the service request which is sent by the service matching and synchronizing module and subjected to legality verification and decryption, performing overall matching degree calculation on the received service request according to a preset overall matching degree calculation model, and feeding back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
and the business data processing module is used for calling a transaction chain code distributed on a service transaction channel of the service demand block chain, transacting the service request matched with the service request in a successful state, submitting service transaction information to the service transaction information area after the transaction is successful, returning a prompt of successful service transaction to the incubation enterprise and the channel anchor node, and calling a third party payment interface through the channel anchor node to settle accounts of both parties of the transaction.
Preferably the system comprises an interface layer, an application layer and an infrastructure layer;
the service matching and synchronizing module, the automatic service matching module and the business data processing module all belong to the application layer;
the application layer further comprises: the system comprises a system initial configuration module and an application channel data management module;
the system initial configuration module comprises an environment self-adaption configuration unit and a system initialization unit;
the environment self-adaptive configuration unit is used for detecting basic software and hardware and a network environment of the blockchain and generating a system network topological graph of the network environment; for a block chain with a hardware environment and without a software environment, deploying a software operating system environment and building a Bash script in a pushing mode, and building a service demand block chain;
the system initialization unit is used for configuring initial block information for the established service demand block chain, wherein the initial block information comprises the setting of an admission mechanism, the issuing of an identity certificate, the setting of a node selection mechanism, the distribution of a node certificate and a role, the creation of an application channel, the definition of an endorsement policy and the installation and instantiation of chain codes;
the application channel data management module comprises an access management unit, a chain code management unit, a node management unit and a channel management unit;
the channel management unit is used for creating three application channels of the built service demand block chain, calling an adding channel API on all peer-to-peer nodes in the channels, transmitting the created block to all peer-to-peer nodes through an information exchange protocol, adding the created block into the channels, calling a service to start receiving the block after all peer-to-peer nodes check that the created block is correct, and completing adding the channels; providing a channel query function, and placing different types of information in different channels for management, wherein each channel maintains a respective account book and a chain code; the three application channels include: the system comprises a service demand information channel, an incubation service mechanism channel and an incubation service transaction information channel, wherein each channel has a unique channel ID after being created, and the communication in the channels adopts a P2P mode;
the admission management unit is used for issuing identity certificates to incubators meeting a preset admission mechanism and adding the incubators into a trusted root node list;
the chain code management unit is used for providing chain codes in the established service demand block chain to carry out chain code new establishment, chain code modification, chain code deployment and chain code calling;
the node management unit is used for distributing the roles of the nodes by defining the tasks born by the nodes in the block chain, and performing operations of building, configuring, deleting and adding channels on the nodes in the built service demand block chain according to the nodes with the corresponding roles, wherein the roles comprise endorsement nodes, verification nodes, sequencing nodes, accounting nodes and channel anchor nodes.
Furthermore, the interface layer is used for inputting information, setting and inputting query conditions and visually displaying information of the accounts of all channels;
the infrastructure layer is used for providing an API interface to call block chain certificate service, chain code service, account book service and channel service to complete corresponding operation processing, and the infrastructure layer supports SM2, SM3 and SM4 cryptographic algorithms and realizes the calling support of the upper layer to the cryptographic algorithms.
As a preferred scheme, the overall matching degree calculation model is:
total matching degree = demand matching degree and supply matching degree;
the system comprises a demand matching degree = A1 service pattern matching degree + A2 service core demand matching degree + A3 service expected price matching degree + A4 service urgency matching degree, wherein A1, A2, A3 and A4 are preset adjusting coefficients of the service pattern matching degree, the service core demand matching degree, the service expected price matching degree and the service urgency matching degree respectively; supply matching degree = B1 × service pattern matching degree + B2 × service capability matching degree + B3 × expected service price matching degree + B4 × quality of service matching degree; b1, B2, B3 and B4 are respectively preset adjusting coefficients of the service pattern matching degree, the service capability matching degree, the service expected price matching degree and the service quality matching degree.
Preferably, the automatic service matching module is specifically configured to:
calculating the overall matching degree of the incubation enterprises according to the overall matching degree calculation model, and comparing the calculated overall matching degree with a preset matching threshold value;
when the calculated total matching degree is larger than the matching threshold, the matching is successful, the state of the service requirement is set as 'successful matching', and agreed information is fed back to the channel anchor node and the incubation enterprise;
and when the calculated total matching degree is not greater than the matching threshold, the matching is unsuccessful, the matching is repeated, if the hatching service resources cannot be matched for the hatching enterprise, unavailable information is fed back to the hatching enterprise, and the state of the service requirement is set as 'matching failure'.
Preferably, the service data processing module is further configured to:
receiving a service directory request for verifying and attaching a digital signature by a channel anchor node, wherein the service directory request comprises: service name, service data source access information, service content description and service asset value;
calling a chain code to check the signature of a user on a service demand side, generating a globally unique identifier for the service demand after the signature passes, and adding the globally unique identifier into a channel service demand list;
and submitting the information that the service requirement verification passes to a service requirement block chain, and returning a prompt that the service requirement is successfully issued to the incubation enterprise.
As a preferred scheme, the service data processing module is further specifically configured to:
placing the constructed transaction proposal on a designated channel identified by a target chain ID, sequencing the transaction proposal in the channel, and sending the transaction proposal to an endorsement node of the channel according to a configured endorsement strategy, wherein the transaction proposal at least comprises incubator management organization identity certificate signature information;
the transaction proposal is used as a transaction request and sent to all endorsement nodes agreed by system configuration, the endorsement nodes verify the signature by using a public key and check whether the transaction request is legal, and further check whether the transaction request is willing to be endorsed and signed according to an endorsement strategy; completing the postscript node execution chain code, obtaining a transaction result, submitting the transaction to a sequencing service, packaging the sequenced transaction into a block, and broadcasting the block to a peer node in a channel;
the peer-to-peer nodes verify the transactions after sequencing according to the same sequence, wherein the verification comprises the integrity check of transaction data, whether the transactions are repeated, whether the endorsement signature accords with the endorsement strategy and whether the transaction read-write set accords with version control;
and adding all valid transactions after passing the verification into the newly generated block, informing all nodes to keep the accounts of the nodes consistent, broadcasting the transaction result in the channel by the peer nodes, updating the accounts of the nodes by the nodes, and returning the transaction execution result to the client of the incubation enterprise.
Preferably, the system adopts a B/S architecture and is based on a HyperLegger alliance chain.
Preferably, the channel anchor node is assumed by an incubator management mechanism and is responsible for inquiring and transmitting information in different channels.
Another embodiment of the present invention provides a method for managing enterprise hatching based on a block chain, where the method is executed by the system for managing enterprise hatching of a block chain in any one of the above embodiments, and the method includes:
the service matching and synchronizing module reads the service requirements uploaded by the incubation enterprise from a pre-established service requirement block chain according to the sequence of the timestamps, sends the read service requirements to a channel anchor node in the service requirement block chain, and performs validity verification and decryption operation on the service requirements by the anchor node;
the automatic service matching module receives the service request which is sent by the service matching and synchronizing module and subjected to validity verification and decryption, calculates the overall matching degree of the received service request according to a preset overall matching degree calculation model, and feeds back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
the business data processing module calls a transaction chain code arranged on a service transaction channel of the service demand block chain, transaction is carried out on the service request with the matching state being the successful state, after the transaction is successful, service transaction information is submitted to a service transaction information area, a prompt of the success of the service transaction is returned to the incubation enterprise and a channel anchor node, and a third party payment interface is called through the channel anchor node to carry out settlement of both parties of the transaction.
Compared with the prior art, the enterprise incubation management system and method based on the block chain provided by the invention have the advantages that distributed storage of distributed incubation enterprise and entrepreneurship resource data is constructed by utilizing a Hyperhedger block chain architecture, and relatively independent incubation enterprise data and entrepreneurship resource data are placed in different channels by utilizing a channel technology of a basic facility layer, so that the logical isolation of an account book is realized, and the security and the confidentiality of the data are increased. The improved block chain encryption function can support the national secret encryption and signature algorithm, and a management mechanism of a scientific and technological enterprise incubator serves as an intermediary and a credit guarantee mechanism by adopting a digital certificate function and a chain code mechanism, so that the automatic execution of entrepreneurship resource transaction information data is ensured, the service efficiency is improved, and the confidentiality, the integrity and the safety of information are ensured.
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Fig. 1 is a schematic structural diagram of an enterprise hatching management system based on a blockchain according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an enterprise hatching management system based on a blockchain according to another embodiment of the present invention;
fig. 3 is a schematic flowchart of business data processing performed by an enterprise hatching management system according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of an enterprise hatching management method based on a blockchain according to an embodiment of the present invention.
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.
An embodiment of the present invention provides an enterprise hatching management system based on a block chain, and referring to fig. 1, the system is a schematic structural diagram of an enterprise hatching management system based on a block chain according to an embodiment of the present invention, and the system includes: the system comprises a service matching and synchronizing module, a system initial matching module and a business data processing module;
the service matching and synchronizing module is used for reading the service requirements uploaded by the incubation enterprise from a pre-established service requirement block chain according to the sequence of the timestamps, sending the read service requirements to a channel anchor node in the service requirement block chain, and carrying out validity verification and decryption operation on the service requirements by the anchor node;
the automatic service matching module is used for receiving the service request which is sent by the service matching and synchronizing module and subjected to validity verification and decryption, performing overall matching degree calculation on the received service request according to a preset overall matching degree calculation model, and feeding back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
the business data processing module is used for calling a transaction chain code distributed on a service transaction channel of the service demand block chain, carrying out transaction on the service request with the matching state being a successful state, submitting service transaction information to a service transaction information area after the transaction is successful, returning a prompt of the successful service transaction to an incubation enterprise and a channel anchor node, and calling a third party payment interface through the channel anchor node to carry out settlement of both parties of the transaction.
In this embodiment, when implemented specifically, the service matching and synchronizing module reads a service requirement from the service requirement block chain according to the sequence of the timestamps, sends the service request to the channel anchor node, specifically, the incubator management mechanism, and submits the service request to the automatic service matching module for processing after verifying the validity and decrypting the service request.
The automatic service matching unit receives the service request which is sent by the service matching and synchronizing module and is subjected to legality verification and decryption, calculates the total matching degree to perform requirement and service matching, and feeds back agreed information to an incubator management mechanism and an incubation enterprise when the matching is successful;
the business data processing module calls the deployed transaction chain code, submits the service transaction information to the service transaction information block chain after the transaction is successful, returns a prompt of the successful service transaction to the incubation enterprise and the incubation service mechanism, and sets the state of the service requirement as 'matching success'. And the incubator management mechanism calls a third party payment interface to carry out both-party settlement. The hatching service matching and synchronizing module can inquire or retrieve all book information on different channels and assemble the book information into structured information data which is transmitted to a feedback interface of a Web interface layer through an XML format.
The method overcomes the defect that the whole system is influenced when a host or a database is broken in the prior art by adopting the mechanism of decentralization, verification tamper-proofing technology, chain code transaction and the like; the system adopts a block chain channel mechanism to distinguish trust domains, each trust domain has independent incubation enterprise information and incubation service mechanism information, the logical isolation of the account book is realized, the security and the confidentiality of data are increased, and the problem of access efficiency caused by the fact that the data are stored in one account book is reduced.
In yet another embodiment provided by the present invention, the system includes an interface layer, an application layer, and an infrastructure layer;
the service matching and synchronizing module, the automatic service matching module and the business data processing module all belong to the application layer;
the application layer further comprises: the system comprises a system initial configuration module and an application channel data management module;
the system initial configuration module comprises an environment self-adaption configuration unit and a system initialization unit;
the environment self-adaptive configuration unit is used for detecting basic software and hardware and a network environment of the block chain and generating a system network topological graph of the network environment; deploying a software operating system environment and building a Bash script for a block chain with a hardware environment and without a software environment in a pushing mode, and building a block chain with a service requirement;
the system initialization unit is used for configuring initial block information for the established service demand block chain, wherein the initial block information comprises the setting of an admission mechanism, the issuing of an identity certificate, the setting of a node selection mechanism, the distribution of a node certificate and a role, the creation of an application channel, the definition of an endorsement policy and the installation and instantiation of chain codes;
the application channel data management module comprises an access management unit, a chain code management unit, a node management unit and a channel management unit;
the channel management unit is used for creating three application channels of the built service demand block chain, calling an adding channel API on all peer nodes in the channels, transmitting the created block to all the peer nodes through an information exchange protocol, adding the created block into the channels, calling a service to start receiving the block after all the peer nodes check that the created block is correct, and finishing the adding into the channels; providing a channel query function, and placing different types of information in different channels for management, wherein each channel maintains a respective account book and a chain code; the three application channels include: the system comprises a service demand information channel, an incubation service mechanism channel and an incubation service transaction information channel, wherein each channel has a unique channel ID after being created, and the communication in the channels adopts a P2P mode;
the admission management unit is used for issuing identity certificates to incubators meeting a preset admission mechanism and adding the incubators into a trusted root node list;
the chain code management unit is used for providing chain codes in the established service demand block chain to carry out chain code establishment, chain code modification, chain code deployment and chain code calling;
the node management unit is used for distributing the roles of the nodes by defining the tasks born by the nodes in the block chain, and performing operations of building, configuring, deleting and adding channels on the nodes in the built service demand block chain according to the nodes with the corresponding roles, wherein the roles comprise endorsement nodes, verification nodes, sequencing nodes, accounting nodes and channel anchor nodes.
In this embodiment, referring to fig. 2, a schematic structural diagram of an enterprise hatching management system based on a blockchain according to another embodiment of the present invention is shown, where the system includes:
the system comprises a Web interface layer, an application layer and a block chain infrastructure layer, wherein three layers of architectures are respectively a three-layer architecture for realizing information input and visual information display, business logic of a science and technology enterprise incubator between an incubation enterprise and an entrepreneurship resource provider, certificates, chain codes, accounts and API interfaces of channels;
the application layer comprises the service matching and synchronizing module, the automatic service matching module, the business data processing module, a system initial configuration module and an application channel data management module;
the system initial configuration module comprises two units:
an environment adaptive configuration unit: the method mainly detects basic software and hardware and a network environment which need to be provided, and generates a system network topological graph of the network environment after the detection is completed. And for the hardware environment without the software environment, deploying the software operating system environment and building a Bash script in a pushing mode, and building a service demand block chain.
The system initialization unit is used for configuring initial block information for the established service demand block chain, wherein the initial block information comprises: the method comprises the following steps of setting an admission mechanism, issuing an identity certificate, setting a node selection mechanism, distributing a node certificate and a role, creating an application channel, defining an endorsement policy, installing and instantiating a chain code and the like.
The admission mechanism is set for system safety and avoiding malicious nodes, and the admission mechanism participating in the main body is set, so that the block chain operation is allowed to participate only in the incubation enterprises which have signed the incubation protocol and the incubation service mechanisms which have signed the incubation protocol on line; after the access is met, an incubator management mechanism calls a certificate service to obtain an identity certificate of the access block network, the certificate is issued by a block chain infrastructure (CA) service, the identity certificate is a part of a trusted root, and a trusted root node list is maintained on a system level; the trusted root node list is information obtained from a system founding block, and all participating bodies establish direct or indirect trusted relationships among the nodes according to the trusted root node list. The peer selection mechanism is configured for selecting a peer for each organization, the peer candidates being in static and dynamic modes, the static mode being defined by a system configuration file, the dynamic mode being determined by a dynamic selection algorithm. Reading the configuration file and distributing node certificates and roles through a configuration tool, wherein the nodes comprise an application client node, a sequencing node, a peer node, an endorsement node and a submission node, and the peer nodes are divided into an incubation enterprise peer node, an incubation service mechanism peer node and a service transaction peer node according to different channels. And starting the nodes after the configuration of all the nodes is completed, and performing information exchange by the nodes according to each role. And calling a script execution system at the address of the sequencing node to configure a transaction and create an application channel, and acquiring initial block information of the application channel from the sequencing service, wherein the initial block information is important information added into the node channel. An endorsement policy is defined, the endorsement policy adopts a notary mechanism, an incubator management mechanism serves as a notary role, and at least two conditions in the endorsement policy are as follows: 1. it is only effective endorsements that must contain the notary's successful endorsement transaction. 2. Containing at least two-thirds of the signatures of endorsement nodes. The choice of endorsement node is determined by the chain code to which the transaction belongs and the endorsement policy defined by the chain code. And installing and instantiating respective chain codes in the channels according to the channel types.
The system admission mechanism building system and method firstly exclude untrusted organizations or mechanisms from participating in information access and transaction of the block chain, and further enhance information security and credibility.
The application channel data management module is mainly responsible for setting an admission mechanism, issuing certificates representing identities and transaction certificates, defining and authorizing roles of all nodes, introducing or quitting the nodes into or out of a channel, and installing and instantiating chain codes on the channel.
The application channel data management module comprises an admission management unit, a chain code management unit, a node management unit and a channel management unit;
the channel management unit comprises two functions of creating a channel and inquiring the channel;
acquiring initial block information of application channels, calling an API (application programming interface) of a joining channel on all peer nodes in the channels, and creating three application channels, wherein an incubator management mechanism is an anchor node of the three channels and is responsible for verifying and transferring information among the channels; the hatching enterprise and the hatching service mechanism establish a service demand information block chain and a hatching service mechanism information block chain, and the incubator management mechanism updates the channel member view and the mapping relation between the channel member view and the hatching service mechanism information block chain.
Different types of information are placed in different channels for management, and each channel maintains a respective account book and a chain code; each channel has a unique channel ID after being created, and communication in the channel adopts a P2P mode.
The admission management unit is arranged for the system safety and avoiding malicious nodes, and an admission mechanism participating in the main body is arranged, so that the block chain operation is allowed to participate only in an incubation enterprise signed with an incubation protocol and an incubation service mechanism signed with an incubation protocol on line; after the admission is met, a certificate service is called by an incubator management mechanism to obtain an identity certificate IDCert of the admission block network, the certificate is issued by a block chain infrastructure (CA) service, the identity certificate is a part of a trusted root, a trusted root node list is maintained on a system level, and the trusted root node list is information obtained from a system founding block. And each participating body establishes a direct or indirect credible relationship between the nodes according to the credible root node list.
The chain code management unit is used for providing functions of chain code new establishment, chain code modification, chain code deployment, chain code calling and the like.
The node management unit is used for the functions of creating, configuring, deleting and adding channels of the nodes and the like. Only nodes of the corresponding role can participate in the corresponding operation of the block chain. Role distribution is carried out by defining tasks borne by various operations of the nodes in the block chain, different roles have different authorities, and the participating operations are different. The roles comprise endorsement nodes, verification nodes, sequencing nodes, accounting nodes, anchor nodes and the like.
Different nodes need to communicate through establishing a channel, and nodes in the same channel maintain an account book together. Each channel has different access authority management, an unrelated point is isolated, leakage of data in the channel is prevented, meanwhile, transaction can be completed more quickly, and consensus efficiency is improved.
In another embodiment provided by the present invention, the interface layer is used for inputting information, setting and inputting query conditions, and visually displaying information on the ledger of each channel;
the infrastructure layer is used for providing an API interface to call block chain certificate service, chain code service, account book service and channel service to complete corresponding operation processing, and the infrastructure layer supports SM2, SM3 and SM4 cryptographic algorithms and realizes the calling support of the upper layer to the cryptographic algorithms.
In the specific implementation of this embodiment, the Web interface layer is mainly provided with information input, query condition setting and input, and information visualization display on the ledger of each channel, and meanwhile, the result of the business data of the application layer and some meaningful statistical information are fed back.
The application layer realizes the business core flow logic of the hatching enterprise and the entrepreneurial resource provider of the scientific and technological enterprise through a system initial configuration module, an application channel data management module, a service matching and synchronizing module, a third-party payment interface and the like; third party payment interface: and the payment and collection function is completed by calling a third-party interface form.
The API interface provided by the blockchain infrastructure layer comprises a certificate interface, a chain code interface, an account book interface and a channel interface, and is used for calling blockchain certificate service, chain code service, account book service and channel service to complete corresponding operation processing; the encryption and signature algorithm module of the block chain infrastructure layer is improved, SM2, SM3 and SM4 cryptographic algorithms are supported, and the upper layer calls the cryptographic algorithms.
In another embodiment of the present invention, the overall matching degree calculation model is:
total matching degree = demand matching degree and supply matching degree;
the system comprises a demand matching degree = A1 × service pattern matching degree + A2 × service core demand matching degree + A3 × expected service price matching degree + A4 × service urgency matching degree, wherein A1, A2, A3 and A4 are respectively preset adjustment coefficients of the service pattern matching degree, the service core demand matching degree, the expected service price matching degree and the service urgency matching degree; supply matching degree = B1 × service pattern matching degree + B2 × service capability matching degree + B3 × expected service price matching degree + B4 × quality of service matching degree; b1, B2, B3 and B4 are respectively preset adjusting coefficients of the service pattern matching degree, the service capability matching degree, the service expected price matching degree and the service quality matching degree.
The service pattern matching degree is determined by selection of a hatching enterprise when applying for services, and is the matching degree of the hatching enterprise wishing to provide services through an online or offline mode; the service core requirement matching degree is determined by analyzing the keyword matching degree of the incumbent enterprise when applying for service, which means the matching degree of the incumbent enterprise according to the service catalog to meet the service requirements (such as intellectual property, technical experts, seed capital and the like); the service expected price matching degree can be determined by calculating the standard deviation and the deviation of the two, and is the matching degree between the expected service price and the service supplier price; the service urgency matching degree is determined by selection of a hatching enterprise when applying for service, and refers to the urgency degree of a desired service (such as instant service, service within 24 hours, general urgency, looseness and the like).
In this embodiment, the overall matching degree calculation model of the automatic service matching module is specifically:
total matching degree = demand matching degree and supply matching degree;
wherein, the demand matching degree = A1 × service pattern matching degree + A2 × service core demand matching degree + A3 × expected price matching degree + A4 × service urgency matching degree. The requirement matching degree is composed of four main influence factors, namely a service mode matching degree, a service core requirement matching degree, a service expected price matching degree and a service urgency matching degree, A1, A2, A3 and A4 are respectively adjustment coefficients of the four factors, and the whole requirement matching degree is obtained by performing weighted summation calculation on the four factors. According to the requirement characteristics, A2> A3> A4> A1 is generally set on the value of the adjustment coefficient.
Supply matching degree = B1 × service pattern matching degree + B2 × service capability matching degree + B3 × expected price of service matching degree + B4 × quality of service matching degree.
The service pattern matching degree can be determined by a service provider when submitting a service directory, and is the matching degree of a hatching enterprise wishing to provide services through an online or offline mode; the service capability matching degree can be determined by analyzing the matching degree of capability keywords expected by the incumbent enterprise in applying for the service, and is the matching degree of the incumbent enterprise to the required service and the service personnel, resources and service levels of the service provider; the service expected price matching degree can be determined by calculating the standard deviation and the deviation of the two, and is the matching degree between the expected service price and the service supplier price; the service quality matching degree can be determined by analyzing the matching degree of quality keywords expected by the incumbent enterprise in applying for the service, which means the degree matching degree of the service provider capable of meeting the requirements of the incumbent enterprise
The supply matching degree is composed of four main influence factors of service pattern matching degree, service capability matching degree, service expected price matching degree and service quality matching degree, B1, B2, B3 and B4 are respectively adjustment coefficients, and the overall demand matching degree is obtained by weighting and summing the four factors. Wherein B3> B3> B2> B1 are generally set in the adjustment coefficient value according to the supplier characteristics.
In another embodiment of the present invention, the automatic service matching module is specifically configured to:
calculating the overall matching degree of the incubation enterprise according to the overall matching degree calculation model, and comparing the calculated overall matching degree with a preset matching threshold value;
when the calculated total matching degree is larger than the matching threshold, the matching is successful, the state of the service requirement is set as 'successful matching', and agreed information is fed back to the channel anchor node and the incubation enterprise;
and when the calculated total matching degree is not greater than the matching threshold, the matching is unsuccessful, the matching is repeated, if the hatching service resources cannot be matched for the hatching enterprise, unavailable information is fed back to the hatching enterprise, and the state of the service requirement is set as 'matching failure'.
In the specific implementation of the embodiment, the automatic service matching module calculates the overall matching degree of the incubation enterprise according to the overall matching degree calculation model, and compares the calculated overall matching degree with a preset matching threshold value;
calculating the overall matching degree of the incubation enterprise, and comparing the calculated overall matching degree with a preset matching threshold value;
and when the calculated overall matching degree is greater than the matching threshold, successfully matching and feeding back agreed information to the incubator management mechanism and the incubation enterprises.
When the calculated total matching degree is not greater than the matching threshold value, the matching is unsuccessful, the incubator management mechanism repeatedly calls the automatic service matching module for matching, if the incubation service resources cannot be matched for the incubation enterprise, the unavailable information of the incubation service mechanism is fed back to the incubation enterprise, and the state of the service requirement is set as 'matching failure'.
In another embodiment provided by the present invention, the service data processing module is further configured to:
receiving a service directory request for signature verification and digital signature addition by a channel anchor node, wherein the service directory request comprises: service name, service data source access information, service content description and service asset value;
calling a chain code to check the signature of a user on a service demand side, generating a globally unique identifier for the service demand after the signature passes, and adding the globally unique identifier into a channel service demand list;
and submitting the information that the service requirement verification passes to a service requirement block chain, and returning a prompt that the service requirement is successfully issued to the incubation enterprise.
In specific implementation of this embodiment, referring to fig. 3, a schematic flow diagram of a business data processing performed by the enterprise hatching management system provided in the embodiment of the present invention is shown;
the service matching and synchronizing module extracts service request information from the block chain and sends the service request information to the channel anchor node, namely to a management mechanism;
the hatching management mechanism performs identity check and signing on the service request information, and verifies the validity of the service request after passing the identity check and signing;
namely, peer nodes of the incubation enterprises submit service requirement information in a service requirement information channel, a service data processing module is called to establish a service requirement information block chain, and an incubator management mechanism updates the mapping relation between the channel member view and the incubation enterprises. The method comprises the following substeps:
the incubation enterprise submits a request for issuing a service requirement, wherein the request comprises information such as a requirement name, requirement content description, requirement prepayment value and the like. Issuing an operation with high security requirement on data of a data source, so that a data provider needs to sign the operation by using an identity certificate;
and the incubator management mechanism checks the service requirement information sent by the incubation enterprise and attaches a digital signature, and submits the service requirement information to the service data processing module.
The service data processing module firstly calls the chain code to check the signature of the service demander user, generates a globally unique identifier for the service requirement after the signature passes the service requirement and adds the globally unique identifier into the channel service requirement list.
And the service data processing module calls the service data chain storage unit to submit the information that the service requirement check label passes to the service requirement block chain, and returns a prompt that the service requirement is successfully issued to the incubation enterprise.
In another embodiment provided by the present invention, the service data processing module is further specifically configured to:
placing the constructed transaction proposal on a designated channel identified by a target chain ID, sequencing the transaction proposal in the channel, and sending the transaction proposal to an endorsement node of the channel according to a configured endorsement strategy, wherein the transaction proposal at least comprises incubator management organization identity certificate signature information;
the transaction proposal is used as a transaction request and sent to all endorsement nodes agreed by system configuration, the endorsement nodes verify the signature by using a public key and check whether the transaction request is legal, and further check whether the transaction request is willing to be endorsed and signed according to an endorsement strategy; completing the postscript node execution chain code, obtaining a transaction result, submitting the transaction to a sequencing service, packaging the sequenced transaction into a block, and broadcasting the block to a peer node in a channel;
the peer-to-peer nodes verify the transactions after sequencing according to the same sequence, wherein the verification comprises the integrity check of transaction data, whether the transactions are repeated, whether the endorsement signature accords with the endorsement strategy and whether the transaction read-write set accords with version control;
and adding all valid transactions which pass the verification into the newly generated block, informing all nodes to keep the accounts of the nodes consistent, broadcasting the transaction result in the channel by the peer nodes, updating the accounts of the nodes by the peer nodes, and returning the transaction execution result to the client of the incubation enterprise.
In the specific implementation of this embodiment, referring to fig. 3, the service data processing module calculates the overall matching degree through the automatic service matching module, and returns the service available information to the service matching and synchronizing module according to the overall matching degree;
the service matching and synchronizing module submits a service transaction request to the channel anchor node and uses the identity certificate for signature;
and the hatching management enterprise performs identity verification on the service transaction, verifies the validity of the service transaction after the service transaction passes, calls a chain code deployed in a transaction channel after the service transaction passes, returns transaction success information to the service matching and synchronizing module, updates an account book in the transaction channel and returns a service resource address.
The business data processing process of the business data processing module comprises the following substeps:
the consensus service places the constructed transaction proposal on a designated channel identified by the target chain ID, orders the transaction proposals within the channel, and sends the transaction proposals to the endorsement node of the channel according to the configured endorsement policy. The transaction proposal at least comprises incubator management authority identity certificate signature information to prevent repudiation.
And sending the transaction proposal as a transaction request to all endorsement nodes of the system configuration agreement. The endorsement node verifies the signature with the public key and verifies whether the transaction request is legitimate, and further checks whether endorsement and signature for the transaction request are willing according to an endorsement policy. And after the endorsement node executes the chain code to obtain a transaction result, the client collects enough endorsement node results according to the endorsement strategy, submits the transaction to a sorting service, packs the sorted transaction into blocks and broadcasts the blocks to peer nodes in the channel.
And the node pair verifies the transactions after sequencing according to the same sequence, and ensures that the transaction is written into the account once, so that the block chain state is always consistent. The verification comprises integrity check of transaction data, whether transaction is repeated, whether endorsement signature accords with endorsement strategy and whether transaction read-write set accords with version control.
After all checks pass, effective transactions are added to the newly generated blocks, all nodes are informed to keep the accounts consistent, the nodes broadcast the results in the channel, and each node updates the account. And returns the transaction execution result to the client.
The system adopts a block chain channel mechanism to distinguish trust domains, each trust domain has independent incubation enterprise information and incubation service mechanism information, the logical isolation of the account book is realized, the security and the confidentiality of data are increased, and the problem of access efficiency caused by the fact that the data are stored in one account book is reduced.
In another embodiment provided by the invention, the system adopts a B/S architecture and is based on a Hyperridge alliance chain.
In the specific implementation of this embodiment, the online hatching service system of the block chain adopts a B/S architecture, and is based on a federation chain of Hyperridge.
By utilizing the advantages of the HyperLegger block chain in the aspects of certificate authentication and identity management, the identity certificate is adopted to identify the user in the whole authentication process, and the signature certificate is adopted to prevent denial attack.
In another embodiment provided by the invention, the channel anchor node is assumed by the incubator management mechanism and is responsible for information inquiry and transmission in different channels.
In the specific implementation of this embodiment, the anchor node of the online hatching service system of the block chain is assumed by the incubator management mechanism and is responsible for querying and transmitting information in different channels.
The embodiment of the present invention further provides a block chain-based enterprise hatching management method, where the method is executed by the block chain-based enterprise hatching management system in the above embodiment, and the method includes:
the service matching and synchronizing module reads the service requirements uploaded by the incubation enterprise from a pre-established service requirement block chain according to the sequence of the timestamps, sends the read service requirements to a channel anchor node in the service requirement block chain, and performs validity verification and decryption operation on the service requirements by the anchor node;
the automatic service matching module receives the service request after validity verification and decryption sent by the service matching and synchronizing module, carries out overall matching degree calculation on the received service request according to a preset overall matching degree calculation model, and feeds back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
the business data processing module calls a transaction chain code arranged on a service transaction channel of the service demand block chain, transaction is carried out on the service request with the matching state being the successful state, after the transaction is successful, service transaction information is submitted to a service transaction information area, a prompt of the success of the service transaction is returned to the incubation enterprise and a channel anchor node, and a third party payment interface is called through the channel anchor node to carry out settlement of both parties of the transaction.
In specific implementation of this embodiment, referring to fig. 4, a flowchart of an enterprise hatching management method based on a blockchain according to an embodiment of the present invention is shown, where the method includes steps S1 to S3:
s1, reading a service requirement uploaded by an incubation enterprise from a pre-established service requirement block chain by the service matching and synchronizing module according to the sequence of timestamps, sending the read service requirement to a channel anchor node in the service requirement block chain, and carrying out legality verification and decryption operation on the service requirement by the anchor node;
s2, the automatic service matching module receives the service requests which are sent by the service matching and synchronizing module and subjected to validity verification and decryption, calculates the overall matching degree of the received service requests according to a preset overall matching degree calculation model, and feeds back corresponding matching states to corresponding incubation enterprises according to the calculated overall matching degree;
and S3, the business data processing module calls a transaction chain code distributed on a service transaction channel of the service demand block chain, the transaction is carried out on the service request with the matching state being the successful state, the service transaction information is submitted to the service transaction information area after the transaction is successful, the prompt of the successful service transaction is returned to the incubation enterprise and the channel anchor node, and a third party payment interface is called through the channel anchor node to carry out settlement of both parties of the transaction.
In a further embodiment provided by the present invention, the process of the hatching authority updating the channel members comprises the following steps:
the peer nodes of the incubators submit service demand information in the service demand information channel, the service data processing module is called to establish a service demand information block chain, and the incubator management mechanism updates the mapping relation between the channel member view and the incubators. The method comprises the following substeps:
the incubation enterprise submits a request for issuing a service requirement, wherein the request comprises information such as a requirement name, requirement content description, requirement prepayment value and the like. As the operation with high security requirement of the data source data is issued, the data provider is required to sign the operation by using the identity certificate;
and the incubator management mechanism checks the service requirement information sent by the incubation enterprise and attaches a digital signature, and submits the service requirement information to the service data processing module.
The service data processing module firstly calls a chain code to check the signature of a service demander user, generates a globally unique identifier for the service requirement after the signature passes, and adds the globally unique identifier into a channel service requirement list.
And the service data processing module calls the service data chain storage unit to submit the information that the service requirement check label passes to the service requirement block chain, and returns a prompt that the service requirement is successfully issued to the incubation enterprise.
And the peer node of the hatching service mechanism submits hatching service mechanism information in a hatching service mechanism channel, a business data processing module is called to establish a hatching service mechanism information block chain, and a hatcher management mechanism updates the mapping relation between the channel member view and the hatching service mechanism. The method comprises the following steps:
the hatching service organization submits a request for issuing a service directory, wherein the request comprises information such as a service name, service data source access information, service content description, service asset value and the like. It is worth mentioning that the operation with high security requirement of the data source data is issued, so that the data provider is required to sign the operation by using a private key;
and the incubator management mechanism checks the service directory sent by the incubation service mechanism and attaches a digital signature, and submits the service directory to the service data processing module.
The business data processing module firstly calls a chain code to check the signature of a user of the hatching service mechanism, generates a globally unique identifier for the service directory after the signature passes, and adds the globally unique identifier into a channel service directory list.
And the service data processing module calls the service data link storing unit to submit the information to the service directory block link and returns a prompt that the service directory is successfully issued to the hatching service organization user.
The process of processing the service data by the service data processing module comprises the following steps:
the consensus service places the constructed transaction proposal on a designated channel identified by the target chain ID, orders the transaction proposals within the channel, and sends the transaction proposals to the endorsement node of the channel according to the configured endorsement policy. The transaction proposal at least comprises incubator management authority identity certificate signature information to prevent repudiation.
And sending the transaction proposal as a transaction request to all endorsement nodes of the system configuration agreement. The endorsement node verifies the signature with the public key and checks whether the transaction request is legal, and further checks whether endorsement and signature are willing to be performed for the transaction request according to an endorsement policy. And after the endorsement node executes the chain code to obtain a transaction result, the client collects enough endorsement node results according to the endorsement strategy, submits the transaction to a sorting service, packs the sorted transaction into blocks and broadcasts the blocks to peer nodes in the channel.
And the node pair verifies the transactions after sequencing according to the same sequence, and ensures that the transaction is written into the account once, so that the block chain state is always consistent. The verification comprises integrity check of transaction data, whether transaction is repeated, whether endorsement signatures accord with endorsement strategies and whether a transaction read-write set accords with version control.
After all the checks are passed, effective transactions are added into the newly generated block, all the nodes are informed to keep the accounts of the nodes consistent, the nodes broadcast the results in the channel, and each node updates the account of the node. And returns the transaction execution result to the client.
It should be noted that the enterprise hatching management method based on the block chain provided in the embodiment of the present invention is used for executing all the process steps of all the functions of the enterprise hatching management system based on the block chain in the above embodiment, and the working principles and beneficial effects of the two are in one-to-one correspondence, so that details are not repeated.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (9)

1. A blockchain-based enterprise hatching management system, the system comprising:
the service matching and synchronizing module is used for reading the service requirements uploaded by the incubation enterprise from the service requirement block chain which is set up in advance according to the sequence of the timestamps, sending the read service requirements to the channel anchor node in the service requirement block chain, and carrying out legality verification and decryption operation on the service requirements by the anchor node
The automatic service matching module is used for receiving the service request which is sent by the service matching and synchronizing module and subjected to legality verification and decryption, performing overall matching degree calculation on the received service request according to a preset overall matching degree calculation model, and feeding back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
the service data processing module is used for calling a transaction chain code distributed on a service transaction channel of the service demand block chain, carrying out transaction on the service request with the matching state being the successful state, submitting service transaction information to a service transaction information area after the transaction is successful, returning a prompt of the successful service transaction to an incubation enterprise and a channel anchor node, and calling a third party payment interface through the channel anchor node to carry out settlement of both parties of the transaction;
the overall matching degree calculation model is as follows:
overall matching = demand matching supply matching;
the system comprises a demand matching degree = A1 × service pattern matching degree + A2 × service core demand matching degree + A3 × expected service price matching degree + A4 × service urgency matching degree, wherein A1, A2, A3 and A4 are respectively preset adjustment coefficients of the service pattern matching degree, the service core demand matching degree, the expected service price matching degree and the service urgency matching degree; supply matching degree = B1 × service pattern matching degree + B2 × service capability matching degree + B3 × expected service price matching degree + B4 × quality of service matching degree; b1, B2, B3 and B4 are respectively preset adjusting coefficients of the service pattern matching degree, the service capability matching degree, the service expected price matching degree and the service quality matching degree.
2. The blockchain-based enterprise hatching management system of claim 1, wherein said system comprises an interface layer, an application layer and an infrastructure layer;
the service matching and synchronizing module, the automatic service matching module and the business data processing module all belong to the application layer;
the application layer further comprises: the system comprises a system initial configuration module and an application channel data management module;
the system initial configuration module comprises an environment self-adaption configuration unit and a system initialization unit;
the environment self-adaptive configuration unit is used for detecting basic software and hardware and a network environment of the block chain and generating a system network topological graph of the network environment; for a block chain with a hardware environment and without a software environment, deploying a software operating system environment and building a Bash script in a pushing mode, and building a service demand block chain;
the system initialization unit is used for configuring initial block information for the built service demand block chain, wherein the initial block information comprises the setting of an admission mechanism, the issuing of an identity certificate, the setting of a node selection mechanism, the distribution of a node certificate and a role, the creation of an application channel, the definition of an endorsement policy and the installation and instantiation of chain codes;
the application channel data management module comprises an admission management unit, a chain code management unit, a node management unit and a channel management unit;
the channel management unit is used for creating three application channels of the built service demand block chain, calling an adding channel API on all peer-to-peer nodes in the channels, transmitting the created block to all peer-to-peer nodes through an information exchange protocol, adding the created block into the channels, calling a service to start receiving the block after all peer-to-peer nodes check that the created block is correct, and completing adding the channels; providing a channel query function, and placing different types of information in different channels for management, wherein each channel maintains a respective account book and a chain code; the three application channels include: the system comprises a service demand information channel, an incubation service mechanism channel and an incubation service transaction information channel, wherein each channel has a unique channel ID after being created, and the communication in the channels adopts a P2P mode;
the admission management unit is used for issuing identity certificates to incubators meeting a preset admission mechanism and adding the incubators into a trusted root node list;
the chain code management unit is used for providing chain codes in the established service demand block chain to carry out chain code new establishment, chain code modification, chain code deployment and chain code calling;
the node management unit is used for distributing the roles of the nodes by defining the tasks born by the nodes in the block chain, and performing operations of building, configuring, deleting and adding channels on the nodes in the built service demand block chain according to the nodes with the corresponding roles, wherein the roles comprise endorsement nodes, verification nodes, sequencing nodes, accounting nodes and channel anchor nodes.
3. The system for managing block chain-based enterprise hatching according to claim 2, wherein the interface layer is used for inputting information, setting and inputting query conditions and visually displaying the information of the ledger of each channel;
the infrastructure layer is used for providing an API interface to call block chain certificate service, chain code service, account book service and channel service to complete corresponding operation processing, and the infrastructure layer supports SM2, SM3 and SM4 cryptographic algorithms and realizes the calling support of the upper layer to the cryptographic algorithms.
4. The blockchain-based enterprise hatching management system of claim 1, wherein the automated service matching module is specifically configured to:
calculating the overall matching degree of the incubation enterprise according to the overall matching degree calculation model, and comparing the calculated overall matching degree with a preset matching threshold value;
when the calculated total matching degree is larger than the matching threshold, the matching is successful, the state of the service requirement is set as 'successful matching', and agreed information is fed back to the channel anchor node and the incubation enterprise;
and when the calculated total matching degree is not greater than the matching threshold, the matching is unsuccessful, the matching is repeated, if the hatching service resources cannot be matched for the hatching enterprises, the unavailable information is fed back to the hatching enterprises, and the state of the service requirement is set as 'matching failure'.
5. The blockchain-based enterprise hatching management system of claim 1, wherein the business data processing module is further configured to:
receiving a service directory request for verifying and attaching a digital signature by a channel anchor node, wherein the service directory request comprises: service name, service data source access information, service content description and service asset value;
calling a chain code to check the signature of a user on a service demand side, generating a globally unique identifier for the service demand after the signature passes, and adding the globally unique identifier into a channel service demand list;
and submitting the information that the service requirement verification passes to a service requirement block chain, and returning a prompt that the service requirement is successfully issued to the incubation enterprise.
6. The system for block chain-based enterprise hatching management according to claim 1, wherein the business data processing module is further configured to:
placing the constructed transaction proposal on a designated channel identified by a target chain ID, sequencing the transaction proposal in the designated channel, and sending the transaction proposal to an endorsement node of the designated channel according to a configured endorsement strategy, wherein the transaction proposal at least comprises incubator management organization identity certificate signature information;
the transaction proposal is used as a transaction request and sent to all endorsement nodes agreed by system configuration, the endorsement nodes verify the signature by using a public key and check whether the transaction request is legal, and further check whether the transaction request is willing to be endorsed and signed according to an endorsement strategy; completing the postscript node execution chain code, obtaining a transaction result, submitting the transaction to a sequencing service, packaging the sequenced transaction into a block, and broadcasting the block to a peer node in a channel;
the peer-to-peer nodes verify the transactions after sequencing according to the same sequence, wherein the verification comprises the integrity check of transaction data, whether the transactions are repeated, whether the endorsement signature accords with the endorsement strategy and whether the transaction read-write set accords with version control;
and adding all valid transactions which pass the verification into the newly generated block, informing all nodes to keep the accounts of the nodes consistent, broadcasting the transaction result in the channel by the peer nodes, updating the accounts of the nodes by the peer nodes, and returning the transaction execution result to the client of the incubation enterprise.
7. The system for block chain-based enterprise hatching management of claim 1, wherein the system employs a B/S architecture, hyperledger-based federation chain.
8. The blockchain-based enterprise hatching management system of claim 1, wherein said channel anchor node is assumed by a hatcher management authority responsible for information query and transfer in each different channel.
9. A blockchain-based enterprise hatchability management method, the method being performed by the blockchain enterprise hatchability management system of claim 1, the method comprising:
the service matching and synchronizing module reads the service requirements uploaded by the incubation enterprises from the service requirement block chain which is set up in advance according to the sequence of the timestamps, sends the read service requirements to the channel anchor nodes in the service requirement block chain, and the anchor nodes carry out validity verification and decryption operation on the service requirements;
the automatic service matching module receives the service request after validity verification and decryption sent by the service matching and synchronizing module, carries out overall matching degree calculation on the received service request according to a preset overall matching degree calculation model, and feeds back a corresponding matching state to a corresponding incubation enterprise according to the calculated overall matching degree;
the business data processing module calls a transaction chain code distributed on a service transaction channel of the service demand block chain, transaction is carried out on the service request matched with the service transaction information in a successful state, the service transaction information is submitted to a service transaction information area after the transaction is successful, a prompt of successful service transaction is returned to the incubation enterprise and a channel anchor node, and a third party payment interface is called through the channel anchor node to carry out settlement of both sides of the transaction;
the overall matching degree calculation model is as follows:
total matching degree = demand matching degree and supply matching degree;
the system comprises a demand matching degree = A1 service pattern matching degree + A2 service core demand matching degree + A3 service expected price matching degree + A4 service urgency matching degree, wherein A1, A2, A3 and A4 are preset adjusting coefficients of the service pattern matching degree, the service core demand matching degree, the service expected price matching degree and the service urgency matching degree respectively; supply matching degree = B1 × service pattern matching degree + B2 × service capability matching degree + B3 × expected service price matching degree + B4 × quality of service matching degree; b1, B2, B3 and B4 are respectively preset adjusting coefficients of the service pattern matching degree, the service capability matching degree, the service expected price matching degree and the service quality matching degree.
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