CN111160784A - Product management method based on block chain - Google Patents
Product management method based on block chain Download PDFInfo
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- CN111160784A CN111160784A CN201911402414.6A CN201911402414A CN111160784A CN 111160784 A CN111160784 A CN 111160784A CN 201911402414 A CN201911402414 A CN 201911402414A CN 111160784 A CN111160784 A CN 111160784A
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Abstract
The invention discloses a product management method based on a block chain. When a certain organization writes in the book, the confirmation of other organization nodes needs to be obtained, so that the data tampering difficulty is greatly improved. Battery production, automobile sales enterprises deposit the information collection back of battery circulation in the account book, and all circulation information of battery can be traceed back to user and supervisory department, and the account book can be deposited to user's complaint information and supervisory department's processing result, and supervisory department proposes the suggestion to the enterprise at a certain interval analysis processing result to improve battery quality.
Description
Technical Field
The invention belongs to the technical field of block chains, the field of supply chains and the field of data security, and belongs to the technical field of block chains.
Background
With the continuous development and improvement of new energy technology, the fuel automobile is no longer the only choice for people to buy the car. Electric vehicles, which are environmentally friendly and inexpensive to use, are gaining favor of more and more people. The main cost of the electric automobile is the battery, and the quality of the battery is related to the service life of the electric automobile. The production and circulation information of the battery is receiving more and more attention from users and enterprises, the battery cannot be used after being used, and the battery cannot be run far before, which is the visual feeling of many users. Users care whether the quality of the battery is problematic or not, and enterprises and supervision departments pay more attention to information of a battery circulation link so as to define related responsibilities when problems occur.
In the supply chain of battery circulation, there are a plurality of participants of battery production enterprises, automobile sales enterprises, supervision departments, and the like. Different information systems exist among different enterprises, and the adopted identification and recording modes are different, so that the information checking is complicated, and the data interaction is difficult. Moreover, most of the information systems are based on a centralized organization foundation, and are internal data of each enterprise, once a problem occurs, the enterprise may tamper with the data to ensure the benefit of the enterprise, so that the traditional battery supply chain tracing system is difficult to ensure data interconnection and intercommunication and real credibility. The processing result of the user complaints or the enterprise disputes is lack of a recording process, and the reliability of the centralized recording mode is low. When the validity of input information is verified, an existing App or Web webpage is generally verified in a front-end page or background logic, but an App or Web source code can be stolen and tampered to exceed verification, invalid or illegal data is submitted to a system, and the system is disturbed, so that the data tracing and analyzing effects are greatly reduced.
Disclosure of Invention
The invention provides a product management method based on a block chain, which mainly solves the problems of non-uniformity of information system identification and data recording modes among enterprises in a battery supply chain, easy data tampering, user complaints or enterprise dispute processing results and the problem that App or Web webpage is stolen and tampered so as to cross input data verification by using the block chain technology.
In order to solve the problems, the invention adopts the following technical scheme:
a product management method based on a block chain utilizes the characteristics of decentralization and non-tampering of a block chain technology to solve the problems that information system identification and data recording modes are not uniform, data are easy to tamper and processing results lack of records in the battery circulation process. The battery production enterprises, the automobile sales enterprises and the supervision departments are connected in an organization form to form an alliance chain network, and each node has the same account book, so that the bottom data and the recording mode of each enterprise information system are unified, and the problem that the information system identification and the data recording mode are not uniform among enterprises is solved. When a certain node initiates a write request, the account book is updated only after the verification of the nodes of other organizations is passed. A single node cannot modify data unless the consent of other organization nodes is obtained, so that the enterprise is supervised by other enterprise nodes when updating the data, and the problem that the data is easy to be tampered is solved. The processing result of the user complaints or the enterprise disputes is confirmed by the nodes in the organization and then is stored in the account book, so that the problems of the record and the credibility of the processing result are solved. The chain code needs to verify the user identity or the legality of user input before executing corresponding business logic, and the problem that an App or a Web webpage is stolen and a source code is tampered so that input verification is passed is solved. In addition, when the node joins the alliance chain network, the node needs to acquire the CA node to issue the identity certificate, and the malicious node is difficult to join and destroy the alliance chain network.
A blockchain based product management method, the method comprising the steps of:
step 1: designing a alliance link network based on fabric, adding a battery production enterprise, an automobile sales enterprise and a supervision department into the alliance link network in an organization form, connecting all organizations to form a channel, maintaining the same account book and providing services to the outside by a block chain background system;
step 2: the method comprises the following steps that enterprise basic information such as enterprise names, unified social credit codes, legal representative names and identification numbers and the like is sent to a block chain background system through Web pages by battery production enterprises, automobile production enterprises and automobile sales enterprises, the battery production enterprises manufacture two-dimensional codes of unique identifiers for each battery and paste the two-dimensional codes on the batteries, and the battery production enterprises, the automobile production enterprises and the automobile sales enterprises respectively record the unique identifiers, related photos, operating personnel, operating time, geographic positions and other information in the battery circulation process through App and upload the unique identifiers, the related photos, the operating personnel, the operating time, the geographic positions and the other information to the block chain background system;
and step 3: the block chain background system calls the related endorsement nodes to execute the related business chain codes, the returned transaction results are sent to the sequencing service nodes, the sequencing service nodes package the transactions to generate blocks and then send the blocks to each accounting node, and the accounting nodes write the blocks into respective accounts after verification is correct;
and 4, step 4: after the user purchases the electric automobile, if the user feels that the endurance mileage of the electric automobile obviously slides down, the user can scan the two-dimensional code through the WeChat small program to inquire all information circulated by the battery at any time, and once the battery is found to be inconsistent with the description or have problems, the user can contact a sales enterprise to negotiate and solve the problems, and the user can complain to a supervision department on a Web page. The supervision department can inquire the battery flow information and the enterprise basic information through the Web page and then carry out responsibility division to give a processing result;
and 5: and the supervision department sends information such as processing results, processing time, enterprise scores, enterprise ratings and the like to the block chain background system through the Web page and then records the information into the account book. The supervision department can inquire complaints and processing results in a period of time through the Web page for analysis, and feed the results and suggestions back to each enterprise, and each enterprise makes corresponding correction measures according to the results, so that the quality of the battery is improved.
Compared with the prior system, the invention has the beneficial effects that:
the invention provides a block chain-based product management method, which solves the problem that information system identification and data recording modes are not uniform among enterprises in a battery supply chain by utilizing the characteristic of decentralized of a block chain technology, so that the enterprises do not depend on a centralized data storage mode any more. A single node cannot modify data, agreement of other organization nodes needs to be obtained, data tampering cost is greatly increased, all the organization nodes are mastered and theoretically impossible, and the problem that the data is easy to tamper is solved. The existing system lacks records of processing results of user complaints or enterprise disputes or records the processing results in a centralized organization, and the data reliability provided by the centralized organization is difficult to guarantee in later query.
Drawings
FIG. 1 is a functional block diagram of the present system
FIG. 2 is a diagram of the logical architecture of the present system
FIG. 3 is a logical block diagram of a federated chain network
FIG. 4 is a flow chart of a transaction for a federation link network
FIG. 5 is a diagram of a data processing architecture.
Detailed Description
The invention is further described with reference to the accompanying figures 1-4:
step 1: a fabric-based alliance chain network is designed as shown in fig. 3, wherein a battery production enterprise, an automobile sales enterprise and a supervision department join an alliance chain in an organization form, all organizations are located in a channel, and all nodes have the same account book. The alliance chain provides services to the outside through a block chain background system;
step 2.1: the method comprises the steps that an enterprise name, a unified social credit code, a legal representative name and an identity card number, a legal representative contact mode, an operation range, an operation period, a legal representative identity card photo, a business license photo and other enterprise basic information are submitted and uploaded through an enterprise registration function of a Web page, a block chain background system stores the photo on a server and carries out MD5 encryption to form a 32-bit digital abstract, then the photo path, the digital abstract and other uploaded information are packaged into an transaction proposal to be sent to an endorsement node organized by an uploading organization and a supervision department, as shown in figure 4, the endorsement node calls a chain code to verify the information such as the name, the identity card number, the operation period and the like, if error information is returned in case of no rule, the verification is passed, and then the result is signed and sent to the block chain background system, the block chain background system sends the transaction information to the sequencing service node, the sequencing service node packages the transaction to generate a block and sends the block to the accounting node in each organization, and the accounting node verifies the validity of the block transaction and submits the block transaction to a local account book;
step 2.2: when a battery production enterprise carries out production, a two-dimensional code with a unique identifier is made for each battery, the two-dimensional code is pasted on the surface of the battery, and information such as a battery production serial number, a battery unique identifier, a battery core material, standard current, direct current internal resistance, battery capacity, battery full charge time, quick 80% charge time, battery weight, battery inspection state, battery maintenance time, cycle times, a battery production enterprise name, a battery production enterprise address, a contact mode, a related photo, an operator and the like is recorded through a battery production App;
step 2.3: after receiving the battery conveyed by the battery production enterprise, the automobile production enterprise records information such as an automobile production number, an automobile unique identifier, a battery inspection state, the highest speed per hour, the highest endurance mileage, the average endurance mileage, the maximum horsepower, the maximum power, 0-100km/h acceleration time, 100km/h-0 brake time, a shaft distance, a length, a width and a height, a vehicle weight, automobile maintenance time, an automobile production enterprise name, an automobile production enterprise address, a contact mode, a related photo, an operator and the like through an automobile production App;
step 2.4: when a user buys the automobile sales enterprise, the automobile sales enterprise records information such as an automobile sales order number, an automobile unique identifier, a battery unique identifier, a user name, a contact way, an automobile sales enterprise name, an automobile sales enterprise address, a contact way, a related photo, a salesperson and the like through an automobile sales App;
step 2.5: when a battery production enterprise, an automobile production enterprise and an automobile sales enterprise upload records, a battery production number, an automobile production number and an automobile sales order number are unique numbers automatically generated by an App, a battery unique identifier is automatically analyzed by the App scanning a two-dimensional code, and the App can also automatically acquire the current information such as time, geographic position and the like and send the information to a block chain background system;
step 3.1: after receiving the information sent by the App, the block chain background system stores the photos on the server, carries out MD5 encryption to form 32-bit digital abstracts, packages the photo paths, the digital abstracts and other uploaded information into an transaction proposal and sends the transaction proposal to endorsement nodes of three organizations, namely a battery production enterprise, an automobile production enterprise and an automobile sales enterprise. Because each organization is in a link of battery circulation, the quality problem of the battery is not expected, and power is provided to verify the information transaction record of the battery circulation, so that each organization can only take effect by obtaining the self and the other two organizations while confirming when carrying out the transaction proposal;
step 3.2: the endorsement nodes of the three organizations execute corresponding business chain codes, the chain codes receive input information and then verify which enterprises the information comes from so as to execute corresponding methods, if the information is uploaded by the battery production enterprises, a battery production API is called to verify whether the battery production numbers exist in the account book, if the information exists, uploading failure is returned, error information of existing numbers is given, and if the information does not exist, the results are signed through verification and then sent to a block chain background system. The automobile production enterprises and the automobile sales enterprises also verify whether the automobile production numbers and the automobile sales order numbers already exist. After receiving the signatures of all endorsement nodes, the block chain background system packages the transaction proposal, the transaction response and the endorsement signatures into transactions and sends the transactions to the sequencing service node, the sequencing service node packages each received transaction to generate a block and sends the block to an accounting node in each organization, and the accounting node verifies the validity of the block transaction and submits the block transaction to a local account book;
step 4.1: after a user purchases an electric automobile from an automobile sales enterprise, if the user feels that the driving mileage of the electric automobile obviously slides down, the user can scan the two-dimensional code on the battery label through the WeChat small program at any time to inquire all information circulated by the battery, and once the battery is found to be inconsistent with the description or have problems, the user can contact the automobile sales enterprise to negotiate and solve the problems. If the user is not satisfied with the solution of the automobile sales enterprise or transaction disputes exist among enterprises, the user can complain to a supervision department through the complaint function of the Web page, and the supervision department can perform responsibility division after the battery query function of the Web page inputs the unique battery identification to query to obtain all circulation information of the battery and basic enterprise information, and give a processing result;
step 4.2: when a user or an enterprise complains through a Web page, inputting information such as a unique identification of a complaining battery, use duration, charging times, average endurance mileage, acceleration time of 0-100km/h, braking time of 100km/h-0, complaint reasons, the complaining enterprise and the like, sending the information to an endorsement node organized by a supervision department by a block chain background system, verifying whether the unique identification of the complaining battery exists and whether the input information is legal by the endorsement node through a chain code, if the unique identification of the battery does not exist or the information is illegal, returning a corresponding error prompt, if the information is valid, receiving the input and signing the information and sending the information to the block chain background system, sending the transaction to a sequencing service node by the block chain background system, packaging the received transaction by the sequencing service node to generate a block and sending the block to nodes in each organization, and verifying the validity of the block transaction accounting by the, then submitting to a local account book;
step 4.3: when a user or a supervision department inquires, the unique battery identifier and the login account are sent to a block chain background system through a WeChat small program or a Web webpage, the block chain background system sends the unique battery identifier and the login account to an endorsement node organized by the supervision department, a chain code firstly checks the identity of an inquirer according to the account, if the user is the user, all circulation process information of the battery is inquired from an account book and then returned to the WeChat small program, and if the user is the supervision department, besides the circulation information of the battery, basic information of each enterprise is also inquired and then returned, wherein the basic information comprises legal representative names, operation period, photo paths and the like. The endorsement node returns the query result and the signature to the block chain background system, and the block chain background system takes the photo from the server according to the photo path and returns the photo to the Web page;
step 5.1: after the supervision department determines the related responsibility of each enterprise after the investigation is finished, the processing result, the processor, the processing time, the enterprise rating and other information are input through the complaint processing function of the Web page and are sent to the block chain background system, and the processing result needs the confirmation of related enterprise organization members, so the block chain background system sends the information to endorsement nodes organized by related enterprise organizations and supervision departments, the chain code of the endorsement node firstly verifies the identity information of the request, if not, the error information of unauthorized processing is returned, if yes, the input is received and the signature is sent to the block chain background system, the block chain background system sends the transaction to the sequencing service node, the sequencing service node sends the transaction generation block to each bookkeeping node, and the bookkeeping node verifies the error and then records the account book;
step 5.2: the supervision department can know complaints and analysis conditions of processing results in a period of time through a processing result analysis function of a Web page, a block chain background system sends a query request to an endorsement node organized by the supervision department, the endorsement node calls a chain code after receiving the request, the chain code determines the identity of the supervision department, queries the identity of the supervision department to obtain information such as the name of an enterprise with the most complaints, the total complaints, the most complaints, the processing results, the average score of the enterprise, the average rating of the enterprise, the average service life of a battery, the average charging times, the average endurance mileage, the average acceleration time of 0-100km/h, the average braking time of 100km/h-0 and the like, sends the information to the block chain background system, the block chain background system returns feedback results to the Web page, a supervision department feeds back the results and suggestions to each enterprise, each enterprise formulates corresponding corrective measures or searches for new cooperative enterprises according to the results, thereby improving the quality of the battery.
Compared with the prior art, the invention has the following advantages:
the invention uses the two-dimensional code to uniquely identify the battery, and the information such as the unique identification of the battery can be read out by scanning the two-dimensional code, thereby facilitating the information recording in the battery circulation process. The invention stores the data information in the battery circulation process by using the block chain, and each node has the same account book, so that the identification and data recording modes of each enterprise information system are unified. The account book of each node is a backup of the account book of the whole system, the data modification needs to be agreed by other organization nodes, the tampering difficulty is greatly improved, and the method is safer and more reliable than a traditional database isocentric storage mode. The processing result of the user complaints or the enterprise disputes is also stored into the block chain, and the most credible data can be obtained during later inquiry. Before the node joins the alliance chain network, the identity authentication is needed, and the attack of network hackers is effectively avoided. The verification of the data input by the user is placed in the chain code of the endorsement node instead of the App and the Web page, so that invalid data and illegal data are reduced, and the effectiveness of the data and the tracing and analyzing effects of the data are improved.
Claims (6)
1. A block chain-based product management method is characterized in that: the method comprises the following steps of,
step 1: designing a alliance link network based on fabric, adding a battery production enterprise, an automobile sales enterprise and a supervision department into the alliance link network in an organization form, connecting all organizations to form a channel, maintaining the same account book and providing services to the outside by a block chain background system;
step 2: the method comprises the following steps that basic information of enterprise names, unified social credit codes, legal representative names and identification numbers of enterprises is sent to a block chain background system through Web webpages by battery manufacturers, automobile manufacturers and automobile sales enterprises, a two-dimensional code of a unique identifier is made for each battery and attached to the battery, and the unique identifier, related photos, operators, operation time, geographic positions and other information in the battery circulation process are recorded by an App and uploaded to the block chain background system by the battery manufacturers, the automobile manufacturers and the automobile sales enterprises respectively;
and step 3: the block chain background system calls the related endorsement nodes to execute the related business chain codes, the returned transaction results are sent to the sequencing service nodes, the sequencing service nodes package the transactions to generate blocks and then send the blocks to each accounting node, and the accounting nodes write the blocks into respective accounts after verification is correct;
and 4, step 4: after a user purchases an electric automobile, if the user feels that the endurance mileage of the electric automobile obviously slides down, all information circulated by the battery is inquired through scanning the two-dimensional code by the WeChat small program at any time, and once the battery is found to be inconsistent with the description or have problems, the user contacts a sales enterprise to negotiate and solve the problems or complains to a supervision department on a Web page; the supervision department inquires the battery flow information and the enterprise basic information through the Web page and then performs responsibility division to give a processing result;
and 5: the supervision department sends the processing result, the processing time, the enterprise rating and the enterprise rating information to the block chain background system through the Web page and then records the account book; the supervision department inquires about complaints and processing results in a period of time through the Web page for analysis, and feeds back the results and suggestions to each enterprise, and each enterprise makes corresponding correction measures according to the results, so that the quality of the battery is improved.
2. The block chain-based product management method according to claim 1, wherein: in the step 1: designing a network based on a fabric alliance chain, wherein a battery production enterprise, an automobile sales enterprise and a supervision department are added into the alliance chain in an organization form, all organizations are located in a channel, and all nodes have the same account book; the alliance chain provides services to the outside through a block chain background system.
3. The block chain-based product management method according to claim 1, wherein: step 2, step 2.1, the battery production enterprise, the automobile production enterprise and the automobile sales enterprise submit and upload the enterprise name, the unified social credit code, the name and the identification number of the legal representative, the contact way of the legal representative, the operation range, the operation period, the identification photo of the legal representative and the basic information of the business license photo enterprise through the enterprise registration function of the Web page, the block chain background system stores the photo on the server and encrypts the photo into a 32-bit digital abstract through MD5, then the photo path, the digital abstract and other uploaded information are packaged into an transaction proposal and sent to an endorsement node organized by an uploading organization and a supervision department, the endorsement node calls the chain code to verify the name and the identification number, the operation period information, if the wrong information is returned in case of not being matched, the legal verification is passed, and then the result signature is sent to the block chain background system, the block chain background system sends the transaction information to the sequencing service node, the sequencing service node packages the transaction to generate a block and sends the block to the accounting node in each organization, and the accounting node verifies the validity of the block transaction and submits the block transaction to a local account book;
step 2.2: when a battery production enterprise carries out production, a two-dimensional code with a unique identifier is made for each battery, the two-dimensional code is pasted on the surface of the battery, and a battery production number, a battery unique identifier, a battery core material, standard current, direct current internal resistance, battery capacity, battery full charge time, quick 80% charge time, battery weight, battery inspection state, battery maintenance time, cycle number, a battery production enterprise name, a battery production enterprise address, a contact mode, a related photo and operator information are recorded through a battery production App;
step 2.3: after receiving the battery sent by the battery production enterprise, the automobile production enterprise records an automobile production number, an automobile unique identifier, a battery inspection state, the highest speed per hour, the highest endurance mileage, the average endurance mileage, the maximum horsepower, the maximum power, 0-100km/h acceleration time, 100km/h-0 braking time, a shaft distance, a length, a width and a height, a vehicle weight, automobile maintenance time, an automobile production enterprise name, an automobile production enterprise address, a contact mode, a related photo and operator information through an automobile production App;
step 2.4: when a user buys the automobile sales enterprise, the automobile sales enterprise records an automobile sales order number, an automobile unique identifier, a battery unique identifier, a user name, a contact way, an automobile sales enterprise name, an automobile sales enterprise address, a contact way, a related photo and sales personnel information through an automobile sales App;
step 2.5: when a battery production enterprise, an automobile production enterprise and an automobile sales enterprise upload records, a battery production number, an automobile production number and an automobile sales order number are unique numbers automatically generated by an App, a battery unique identifier is automatically analyzed by the App scanning a two-dimensional code, and the App can also automatically acquire current time and geographic position information and send the information to a block chain background system.
4. The block chain-based product management method according to claim 1, wherein: in step 3, step 3.1: after receiving the information sent by the App, the block chain background system stores the photos on the server, carries out MD5 encryption to form 32-bit digital abstracts, packs the photo paths, the digital abstracts and other uploaded information into a transaction proposal and sends the transaction proposal to endorsement nodes of three organizations, namely a battery production enterprise, an automobile production enterprise and an automobile sales enterprise; because each organization is in a link of battery circulation, the quality problem of the battery is not expected, and power is provided to verify the information transaction record of the battery circulation, so that each organization can only take effect by obtaining the self and the other two organizations while confirming when carrying out the transaction proposal;
step 3.2: the endorsement nodes of the three organizations execute corresponding business chain codes, the chain codes receive input information and then verify which enterprises the information comes from so as to execute corresponding methods, if the information is uploaded by the battery production enterprises, a battery production API is called to verify whether the battery production numbers exist in the account book, if the information exists, uploading failure is returned and error information that the numbers exist is given, and if the information does not exist, the results are signed through verification and then the results are sent to a block chain background system; for automobile production enterprises and automobile sales enterprises, whether automobile production numbers and automobile sales order numbers already exist is verified; after receiving the signatures of all endorsement nodes, the block chain background system packages the transaction proposal, the transaction response and the endorsement signatures into transactions and sends the transactions to the sequencing service node, the sequencing service node packages each received transaction to generate a block and sends the block to the accounting node in each organization, and the accounting node verifies the validity of the block transaction and submits the block transaction to a local account book.
5. The block chain-based product management method according to claim 1, wherein: step 4.1: after a user purchases an electric automobile from an automobile sales enterprise, if the user feels that the endurance mileage of the electric automobile obviously slides down, the user can scan the two-dimensional code on the battery label through the WeChat small program to inquire all information circulated by the battery at any time, and once the battery is found to be inconsistent with the description or have problems, the user can contact the automobile sales enterprise to negotiate and solve the problems; if the user is not satisfied with the solution of the automobile sales enterprise or transaction disputes exist among enterprises, the user can complain to a supervision department through the complaint function of the Web page, and the supervision department performs responsibility division after inputting the unique battery identification to query through the battery query function of the Web page to obtain all circulation information of the battery and basic enterprise information, and gives a processing result;
step 4.2: when a user or an enterprise complains through a Web page, inputting information such as a unique identification of a complaining battery, use duration, charging times, average endurance mileage, acceleration time of 0-100km/h, braking time of 100km/h-0, complaint reasons, the complaining enterprise and the like, sending the information to an endorsement node organized by a supervision department by a block chain background system, verifying whether the unique identification of the complaining battery exists and whether the input information is legal by the endorsement node through a chain code, if the unique identification of the battery does not exist or the information is illegal, returning a corresponding error prompt, if the information is valid, receiving the input and signing the information and sending the information to the block chain background system, sending the transaction to a sequencing service node by the block chain background system, packaging the received transaction by the sequencing service node to generate a block and sending the block to nodes in each organization, and verifying the validity of the block transaction accounting by the, then submitting to a local account book;
step 4.3: when a user or a supervision department inquires, the unique battery identifier and the login account are sent to a block chain background system through a WeChat small program or a Web webpage, the block chain background system sends the unique battery identifier and the login account to an endorsement node organized by the supervision department, a chain code firstly checks the identity of an inquirer according to the account, if the user is the battery, all circulation process information of the battery is inquired from an account book and then returned to the WeChat small program, and if the user is the supervision department, besides the battery circulation information, basic information of each enterprise is also inquired and then returned, wherein the basic information comprises legal representative names, operation period and photo paths; and the endorsement node returns the query result and the signature to the block chain background system, and the block chain background system takes the photo from the server according to the photo path and returns the photo to the Web page.
6. The block chain-based product management method according to claim 1, wherein: in step 5, step 5.1: after the supervision department determines the related responsibility of each enterprise after the investigation is finished, the processing result, the processor, the processing time, the enterprise rating and other information are input through the complaint processing function of the Web page and are sent to the block chain background system, and the processing result needs the confirmation of related enterprise organization members, so the block chain background system sends the information to endorsement nodes organized by related enterprise organizations and supervision departments, the chain code of the endorsement node firstly verifies the identity information of the request, if not, the error information of unauthorized processing is returned, if yes, the input is received and the signature is sent to the block chain background system, the block chain background system sends the transaction to the sequencing service node, the sequencing service node sends the transaction generation block to each bookkeeping node, and the bookkeeping node verifies the error and then records the account book;
step 5.2: the supervision department can know the analysis conditions of complaints and processing results within a period of time through the processing result analysis function of the Web page, the block chain background system sends a query request to an endorsement node organized by a supervision department, the endorsement node calls a chain code after receiving the request, the chain code determines the identity of the supervision department and then queries information such as the name of an enterprise which is most complained, the total complaint amount, the most complaint reasons, processing results, average scoring of the enterprise, average rating of the enterprise, average service life of a battery, average charging times, average endurance mileage, average 0-100km/h acceleration time, average 100km/h-0 braking time and the like, and the information is sent to a block chain background system, the block chain background system returns a feedback result to a Web webpage, a supervision gate feeds the result and the suggestion back to each enterprise, and each enterprise makes a corresponding correction measure or finds new enterprise cooperation according to the result.
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| CN113626521B (en) * | 2021-07-24 | 2022-09-23 | 广东雁盟智慧健康科技有限公司 | Block chain data processing system for protecting cloud computing type digital products |
| CN113627131A (en) * | 2021-08-18 | 2021-11-09 | 中国联合网络通信集团有限公司 | Battery identification coding method and device and electronic equipment |
| CN113627131B (en) * | 2021-08-18 | 2023-06-02 | 中国联合网络通信集团有限公司 | Battery identification coding method and device and electronic equipment |
| WO2023230780A1 (en) * | 2022-05-30 | 2023-12-07 | 京东方科技集团股份有限公司 | Product information input method and apparatus, device, medium, and blockchain system |
| CN117692128A (en) * | 2024-02-02 | 2024-03-12 | 波维希数字科技有限公司 | Three-level dense chain architecture |
| CN117692128B (en) * | 2024-02-02 | 2024-04-16 | 波维希数字科技有限公司 | Three-stage chain sealing system |
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