CN111489239A - Public chain-based cloud manufacturing service platform construction method - Google Patents
Public chain-based cloud manufacturing service platform construction method Download PDFInfo
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Abstract
The invention discloses a method for constructing a cloud manufacturing service platform based on a public chain, which comprises the following steps: s1, dividing resource providers and users, dividing cloud manufacturing service platform users into resource providers and users, wherein the resource providers can release and edit available production resources, and the users can put forward requirements and select proper resource providers in a resource list; the invention adopts a distributed architecture, all transaction operations are realized by depending on a block chain network, and transaction data are stored in blocks, so that the defects of the traditional cloud manufacturing technology in the aspects of safety, reliability, sustainability, expansibility and privacy safety are overcome.
Description
Technical Field
The invention relates to the field of intelligent manufacturing, in particular to a construction method of a cloud manufacturing service platform based on a public chain.
Background
With the continuous development of industry 4.0, the benefit improvement brought by the IT infrastructure enabling manufacturing industry is more and more remarkable. Representative technologies such as internet of things, cloud manufacturing, big data, etc. play a very important role, and manufacturing resources of an area are shared globally by these technologies.
Cloud manufacturing, which is typical of new technology enabling industry, takes a cloud computing technology as a core, has the characteristics of easy access and shared use of resources, integrates advanced production models, and eliminates many limitations of the traditional industrial industry. For traditional industrial production, limited production resources purchased by companies and fixed partners have a great influence on the development of enterprises. Through cloud manufacturing techniques, barriers between resource providers and users are opened. The enterprise can carry out purchasing, production, maintenance and other links more flexibly, the utilization of production resources is more efficient, and a plurality of defects in the traditional industrial production are effectively overcome.
The production resource provider and the user are connected through the cloud service platform, the production resource provider can show own excellent production resources on the cloud platform, and the advantages of the production resource provider are explained to improve the competitiveness of products of the production resource provider; the user can then release his own personalized requirements such as the model number of the production material, the date of delivery, the desired price, etc. on the platform.
At present, most of cloud manufacturing technologies used in the industrial industry are provided by third-party companies, centralized data processing and storage are mostly adopted, and the risks of single-point failure, data tampering and the like exist due to the defects in the aspects of safety, reliability, sustainability and expansibility. The cloud service intermediary is greatly relied on, so that detailed data customization requirements cannot be met, and a closed user of the software platform only has limited control right, so that certain privacy risk is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for constructing a cloud manufacturing service platform based on a public chain. The defects of the traditional cloud manufacturing technology in the aspects of safety, reliability, sustainability, expansibility and privacy safety are overcome.
The purpose of the invention is realized by the following technical scheme:
a method for constructing a cloud manufacturing service platform based on a public chain comprises the following steps:
s1, dividing resource providers and users, dividing cloud manufacturing service platform users into resource providers and users, wherein the resource providers can release and edit available production resources, and the users can put forward requirements and select proper resource providers in a resource list;
s2, contract association and marking, wherein after resource providers and users are divided for cloud manufacturing service platform users, the cloud manufacturing service platform represents association of an intelligent contract by establishing resource entities and task entities based on the intelligent contract, and both contract parties are marked by using anonymous addresses in a block chain network;
s3, generating a contract, wherein the process of the contract generation can be regarded as generation of a block, fund transfer operations involved in the transaction are all completed on a block chain network, each user holds a block chain wallet to be identified by using a unique global address, and the platform holds a corresponding block chain wallet to carry out fund escrow;
and S4, storing data, storing the data generated by each transaction on each node of the blockchain, and storing all production resource data of the cloud manufacturing service platform on the centralized server.
Further, the cloud manufacturing service platform comprises a resource module and a task module, wherein the resource module is used for being used by a resource provider and comprises one or more functions of adding resources, editing resources, viewing resources, deleting resources and modifying resource state; the task module is used for users to use, and comprises one or more of functions of adding tasks, viewing production resources, submitting a resource demand sheet, viewing the resource demand sheet, and receiving or rejecting a provider confirmation sheet.
Furthermore, the cloud manufacturing service platform comprises a plurality of distributed nodes, and each distributed node is divided into a user interface layer, a business logic layer and a bottom layer block chain layer; the business logic layer provides an abstract interface for contract association and modification operations, and the concrete block establishment and modification operations are realized by a bottom block chain layer.
Further, the cloud manufacturing service platform comprises the following transaction flows:
SS1, resource provider registers production resource, resource provider uses user interface of platform to write resource information into resource entity, and stores it into blockchain network, the global address of resource entity in blockchain network is uploaded to resource data server;
SS2, the user requests the appropriate production resource list from the platform according to the self demand;
SS3, the platform returns matched resource data;
SS4, user selects proper resource and submits requirement list to platform, during the process, user defines specific production requirement and production deadline date information and writes them into task entity, then the task entity is stored into block chain network as a new intelligent contract, and the follow-up operation of the contract is recorded on the block; and the demand sheet comprises a plurality of production resources and relates to a plurality of resource providers;
SS5, the platform submits the application form to the resource provider selected by the user, the platform will send the E-mail to the resource provider to inform according to the resource block address recorded on the demand form;
SS6, the resource provider confirms the price and delivery date content on the application form, the confirmed result is uploaded to the platform and stored in the resource demand form entity of the corresponding production resource in the task entity, the platform stores the information related to the processing into the block corresponding to the corresponding resource;
SS7, platform sends confirmation result to user end;
SS8, user selects acceptance or non-acceptance according to confirmation result of each provider;
SS9, platform informs corresponding resource provider to start production;
SS10, the resource provider submits the production progress to the platform in time until the order is completed, the task state attribute of the task entity is modified to be delivered after the order is completed and delivered;
SS11, the user receives the product and confirms the receiving to the platform, the task status attribute in the task entity is changed to confirmed; if the user does not confirm manually within the maximum waiting time, the platform automatically confirms and modifies the task state attribute into confirmed task state attribute;
SS12, the platform types the remaining money into the anonymous wallet of the corresponding resource provider.
Further, in step SS8, the method includes the following steps:
SS81, if the user chooses to accept the resource demand list, the processing of the resource demand entity is completed and recorded into the corresponding task entity, then the user transfers the fund into the anonymous wallet of the platform, and the task state of the task entity is changed to be configured;
and the SS82, if the user chooses not to accept the resource requirement list, the resource requirement list is removed from the task entity, and the user can continue to select other resources to generate a new resource requirement list.
The invention has the beneficial effects that:
(1) the cloud manufacturing method overcomes the defects of the traditional cloud manufacturing technology in the aspects of safety, reliability, sustainability, expansibility and privacy safety. Specifically, the traditional cloud manufacturing is improved by means of a blockchain technology, the transaction content among users is accessed by using an intelligent contract, and the risk is avoided by means of the characteristics of decentralization, distribution, incapability of being tampered and the like of the blockchain technology. The encryption algorithm of the platform encrypts transaction data, privacy safety of both transaction parties is guaranteed, and due to the distributed characteristic, a central service node does not need to be installed, data storage cost is reduced, and a cloud manufacturing service platform architecture based on a block chain technology is designed according to the data, and a data model for a transaction flow and both transaction parties is designed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a functional module architecture diagram of the present invention;
FIG. 2 is a schematic diagram of a platform architecture according to the present invention;
FIG. 3 is a schematic diagram of a transaction flow according to the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following. All of the features disclosed in this specification, or all of the steps of a method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are used.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
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.
Before describing the embodiments, some necessary terms need to be explained. For example:
if the terms "first," "second," etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.
The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations of the invention, with the singular being intended to include the plural unless the context clearly dictates otherwise.
When the terms "comprises" and/or "comprising" are used in this specification, these terms are intended to specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence and/or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
As shown in fig. 1 to 3, a method for constructing a cloud manufacturing service platform based on a public chain includes:
s1, dividing resource providers and users, dividing cloud manufacturing service platform users into resource providers and users, wherein the resource providers can release and edit available production resources, and the users can put forward requirements and select proper resource providers in a resource list;
s2, contract association and marking, wherein after resource providers and users are divided for cloud manufacturing service platform users, the cloud manufacturing service platform represents association of an intelligent contract by establishing resource entities and task entities based on the intelligent contract, and both contract parties are marked by using anonymous addresses in a block chain network;
s3, generating a contract, wherein the process of the contract generation can be regarded as generation of a block, fund transfer operations involved in the transaction are all completed on a block chain network, each user holds a block chain wallet to be identified by using a unique global address, and the platform holds a corresponding block chain wallet to carry out fund escrow;
and S4, storing data, storing the data generated by each transaction on each node of the blockchain, and storing all production resource data of the cloud manufacturing service platform on the centralized server.
Further, the cloud manufacturing service platform comprises a resource module and a task module, wherein the resource module is used for being used by a resource provider and comprises one or more functions of adding resources, editing resources, viewing resources, deleting resources and modifying resource state; the task module is used for users to use, and comprises one or more of functions of adding tasks, viewing production resources, submitting a resource demand sheet, viewing the resource demand sheet, and receiving or rejecting a provider confirmation sheet.
Furthermore, the cloud manufacturing service platform comprises a plurality of distributed nodes, and each distributed node is divided into a user interface layer, a business logic layer and a bottom layer block chain layer; the business logic layer provides an abstract interface for contract association and modification operations, and the concrete block establishment and modification operations are realized by a bottom block chain layer.
Further, the cloud manufacturing service platform comprises the following transaction flows:
SS1, resource provider registers production resource, resource provider uses user interface of platform to write resource information into resource entity, and stores it into blockchain network, the global address of resource entity in blockchain network is uploaded to resource data server;
SS2, the user requests the appropriate production resource list from the platform according to the self demand;
SS3, the platform returns matched resource data;
SS4, user selects proper resource and submits requirement list to platform, during the process, user defines specific production requirement and production deadline date information and writes them into task entity, then the task entity is stored into block chain network as a new intelligent contract, and the follow-up operation of the contract is recorded on the block; and the demand sheet comprises a plurality of production resources and relates to a plurality of resource providers;
SS5, the platform submits the application form to the resource provider selected by the user, the platform will send the E-mail to the resource provider to inform according to the resource block address recorded on the demand form;
SS6, the resource provider confirms the price and delivery date content on the application form, the confirmed result is uploaded to the platform and stored in the resource demand form entity of the corresponding production resource in the task entity, the platform stores the information related to the processing into the block corresponding to the corresponding resource;
SS7, platform sends confirmation result to user end;
SS8, user selects acceptance or non-acceptance according to confirmation result of each provider;
SS9, platform informs corresponding resource provider to start production;
SS10, the resource provider submits the production progress to the platform in time until the order is completed, the task state attribute of the task entity is modified to be delivered after the order is completed and delivered;
SS11, the user receives the product and confirms the receiving to the platform, the task status attribute in the task entity is changed to confirmed; if the user does not confirm manually within the maximum waiting time, the platform automatically confirms and modifies the task state attribute into confirmed task state attribute;
SS12, the platform types the remaining money into the anonymous wallet of the corresponding resource provider.
Further, in step SS8, the method includes the following steps:
SS81, if the user chooses to accept the resource demand list, the processing of the resource demand entity is completed and recorded into the corresponding task entity, then the user transfers the fund into the anonymous wallet of the platform, and the task state of the task entity is changed to be configured;
and the SS82, if the user chooses not to accept the resource requirement list, the resource requirement list is removed from the task entity, and the user can continue to select other resources to generate a new resource requirement list.
In a specific embodiment, a platform user is divided into a resource provider and a user, the resource provider can release and edit available production resources, and the user can put forward a demand and select a suitable resource provider from a resource list; the platform uses the concept of an intelligent contract, the association of the intelligent contract is represented by establishing a resource entity and a task entity, and both contract parties are marked by using anonymous addresses in a block chain network; the process of contract generation can be regarded as generation of a block; the fund transfer operation involved in the transaction is completed on the blockchain network, each user holds a blockchain wallet and uses a unique global address for identification, and the platform holds a corresponding blockchain wallet for fund escrow; furthermore, in data storage design, in addition to the data generated by each transaction being stored on the blockchain, for fast iteration, it may be implemented using the off-the-shelf interface provided by blockchain providers such as etherhouses.
The invention designs two structure variables of the task entity and the resource entity to represent the association of the intelligent contract, and the establishment of the task entity or the resource entity and the storage of the task entity or the resource entity into the block chain can be regarded as the establishment of the intelligent contract.
When registering a resource, a resource provider instantiates a resource entity and adds a resource block in the block chain network, and then contracts generated by the resource are only recorded in the block; when a client submits a demand sheet, a task entity is instantiated and a task block is added into the block chain network, and the contract generated by the task is only recorded in the block. It should be noted that the user addresses referred to below are all unique global addresses in the blockchain network.
The task entity is created by the platform after the client selects a proper commodity and adds other information such as requirements, expiration date and the like, and is stored on the chain as a block; each node in the chain needs to store the transaction data after receiving the message, and the subsequent operation of the contract is modified on the block. The task entity comprises attribute values as shown in table 1, including a contract initiator address, a task current state, a creation date, an expiration date, a selected resource category ID, a custom specification Json text, a detailed design web address, a contract initiator wallet address (which needs to be in a payable state), a resource demand entity list, and the like. A task entity may contain the need for multiple production resources, so all resource needs need to be maintained by a list. The resource requirement entity only contains the specification of a single production resource, and the attribute values are shown in table 2 and comprise a customer wallet address, a creation date of a requirement list, a date that the requirement is responded, a status of the requirement list, a production deadline date, a price, a requested resource address, whether a flag bit is accepted and the like.
The resource entity is created by the application of the resource provider, and the attribute values are shown in table 3 and include a provider address, a resource name, a feature description text, a resource state, the number of tasks that have been received, a customer score, and the like. Wherein the number of tasks and the historical customer scores are shown as an important index to the user as a reference.
Description of the attached tables
Table 1 task entity attribute table
TABLE 2 resource requirement Single entity Attribute Table
Table 3 resource entity attribute table
TABLE 1
TABLE 1
TABLE 2
In other technical features in this embodiment, those skilled in the art can flexibly select and use the above-described features according to actual situations to meet different specific actual requirements. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known algorithms, methods or systems have not been described in detail so as not to obscure the present invention, and are within the scope of the present invention as defined by the claims.
For simplicity of explanation, the foregoing method embodiments are described as a series of acts or combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of acts or acts described, as some steps can occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The disclosed systems, modules, and methods can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units can be only one logical division, and in actual implementation, there can be other divisions, for example, multiple units or components can be combined or integrated into another system, or some features can be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection can be said to be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
The units illustrated by the separate components can be or can not be physically separate, and the components displayed as units can be or can not be physical units, i.e. can be located in one place, or can also be distributed over a plurality of network elements. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part thereof, which essentially contributes to the prior art, can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which can be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Those skilled in the art will appreciate that all or part of the processes in the methods for implementing the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and the processes in the methods described above can be included in the processes when the processes are executed. The storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, etc.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A method for constructing a cloud manufacturing service platform based on a public chain is characterized by comprising the following steps:
s1, dividing resource providers and users, dividing cloud manufacturing service platform users into resource providers and users, wherein the resource providers can release and edit available production resources, and the users can put forward requirements and select proper resource providers in a resource list;
s2, contract association and marking, wherein after resource providers and users are divided for cloud manufacturing service platform users, the cloud manufacturing service platform represents association of an intelligent contract by establishing resource entities and task entities based on the intelligent contract, and both contract parties are marked by using anonymous addresses in a block chain network;
s3, generating a contract, wherein the process of the contract generation can be regarded as generation of a block, fund transfer operations involved in the transaction are all completed on a block chain network, each user holds a block chain wallet to be identified by using a unique global address, and the platform holds a corresponding block chain wallet to carry out fund escrow;
and S4, storing data, storing the data generated by each transaction on each node of the blockchain, and storing all production resource data of the cloud manufacturing service platform on the centralized server.
2. The method for constructing the cloud manufacturing service platform based on the public chain according to claim 1, wherein the cloud manufacturing service platform comprises a resource module and a task module, the resource module is used by a resource provider, and comprises one or more functions of adding resources, editing resources, viewing resources, deleting resources and modifying resource status; the task module is used for users to use, and comprises one or more of functions of adding tasks, viewing production resources, submitting a resource demand sheet, viewing the resource demand sheet, and receiving or rejecting a provider confirmation sheet.
3. The method for constructing the cloud manufacturing service platform based on the public chain according to claim 1, wherein the cloud manufacturing service platform comprises a plurality of distributed nodes, and each distributed node is divided into a user interface layer, a business logic layer and a bottom block chain layer; the business logic layer provides an abstract interface for contract association and modification operations, and the concrete block establishment and modification operations are realized by a bottom block chain layer.
4. The method for constructing the cloud manufacturing service platform based on the public chain according to claim 1, wherein the cloud manufacturing service platform comprises the following transaction flows:
SS1, resource provider registers production resource, resource provider uses user interface of platform to write resource information into resource entity, and stores it into blockchain network, the global address of resource entity in blockchain network is uploaded to resource data server;
SS2, the user requests the appropriate production resource list from the platform according to the self demand;
SS3, the platform returns matched resource data;
SS4, user selects proper resource and submits requirement list to platform, during the process, user defines specific production requirement and production deadline date information and writes them into task entity, then the task entity is stored into block chain network as a new intelligent contract, and the follow-up operation of the contract is recorded on the block; and the demand sheet comprises a plurality of production resources and relates to a plurality of resource providers;
SS5, the platform submits the application form to the resource provider selected by the user, the platform will send the E-mail to the resource provider to inform according to the resource block address recorded on the demand form;
SS6, the resource provider confirms the price and delivery date content on the application form, the confirmed result is uploaded to the platform and stored in the resource demand form entity of the corresponding production resource in the task entity, the platform stores the information related to the processing into the block corresponding to the corresponding resource;
SS7, platform sends confirmation result to user end;
SS8, user selects acceptance or non-acceptance according to confirmation result of each provider;
SS9, platform informs corresponding resource provider to start production;
SS10, the resource provider submits the production progress to the platform in time until the order is completed, the task state attribute of the task entity is modified to be delivered after the order is completed and delivered;
SS11, the user receives the product and confirms the receiving to the platform, the task status attribute in the task entity is changed to confirmed; if the user does not confirm manually within the maximum waiting time, the platform automatically confirms and modifies the task state attribute into confirmed task state attribute;
SS12, the platform types the remaining money into the anonymous wallet of the corresponding resource provider.
5. The method for building the cloud manufacturing service platform based on the public chain as claimed in claim 1, wherein in step SS8, the method comprises the following steps:
SS81, if the user chooses to accept the resource demand list, the processing of the resource demand entity is completed and recorded into the corresponding task entity, then the user transfers the fund into the anonymous wallet of the platform, and the task state of the task entity is changed to be configured;
and the SS82, if the user chooses not to accept the resource requirement list, the resource requirement list is removed from the task entity, and the user can continue to select other resources to generate a new resource requirement list.
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