CN114020312A - Intelligent contract changing method and system - Google Patents
Intelligent contract changing method and system Download PDFInfo
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- CN114020312A CN114020312A CN202111285491.5A CN202111285491A CN114020312A CN 114020312 A CN114020312 A CN 114020312A CN 202111285491 A CN202111285491 A CN 202111285491A CN 114020312 A CN114020312 A CN 114020312A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/658—Incremental updates; Differential updates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
Abstract
The application discloses an intelligent contract changing method and a system, wherein the intelligent contract changing method comprises the steps of decoupling an original intelligent contract and initiating an intelligent contract changing request by a user; judging whether a request for changing the intelligent contract is needed to be added with a new intelligent contract; adding a new intelligent contract or overwriting the new intelligent contract address with the old address; the intelligent contract changing system comprises a central processing unit and a communication module, wherein the central processing module is in signal connection with the communication module, and a permission management module, a first judgment module, a second judgment module, a third judgment module, an intelligent contract warehouse and a route connection module are arranged in the central processing unit. According to the scheme, the contract can be flexibly upgraded and changed after the requirement is changed, the arrangement of the contract is reduced, and the management of the intelligent contract is facilitated.
Description
Technical Field
The application relates to the technical field of intelligent contracts, in particular to an intelligent contract changing method and system.
Background
The block chain technology is integrated and applied to new technical innovation and industrial innovation, the block chain is used as an important breakthrough for independent innovation of core technologies, the main attack direction is determined, the input force is increased, a batch of key core technologies are attacked, the block chain technology and industrial innovation development are promoted, and the block chain is developed in a blowout manner. Intelligent contracts have also met with explosive growth as programs running in blockchain networks. The intelligent contract inherits the blockchain: the characteristics of transparency, traceability, non-tampering and the like are disclosed.
In the development iteration process, the intelligent contract needs to be changed and upgraded, and a new intelligent contract needs to be redeployed to replace the old intelligent contract due to the non-falsifiable characteristic. Data stored by the old intelligent contract needs to be migrated to the new intelligent contract in the replacement process. At present, data migration is generally performed by reading an old intelligent contract and then writing the old intelligent contract into a new intelligent contract, and the method consumes more resources.
A method and device (CN202011052815.6) for upgrading intelligent contracts in a block chain. The invention provides a method and a device for upgrading intelligent contracts in a block chain, which comprises the following steps: receiving a behavioral intelligent contract upgrading request sent by an initiator, judging whether the initiator is one of participants of the behavioral intelligent contract, if so, sending the behavioral intelligent contract upgrading request to an authentication intelligent contract for authentication, wherein the authentication intelligent contract is configured in advance through parameterization so that the participants of the behavioral intelligent contract authenticate the behavioral intelligent contract upgrading request, and after the authentication is passed, upgrading the behavioral intelligent contract. Therefore, the upgrading safety is improved by judging the initiator. And because the parameterized configuration is carried out on the authentication intelligent contract in advance, when the authority of the behavioral intelligent contract upgrading request is authenticated, only the authentication of the participants acting on the intelligent contract in the intelligent contract is needed, and all the participants in the intelligent contract are not needed to authenticate, so that the flexibility of intelligent contract upgrading is improved, and the combination of the intelligent contract upgrading and the service mode is realized. However, in the above manner, each update of the intelligent contract needs to cover the old intelligent contract address, and the intelligent contract cannot be managed well for different versions of the intelligent contract.
An intelligent contract authority control method and system (patent number: CN 201911393674.1). The invention discloses an intelligent contract authority control method and system. The method comprises the steps of acquiring and decoupling service control logic and service data to obtain a logic intelligent contract and a data intelligent contract; generating the authority of the logic intelligent contract for accessing the data intelligent contract according to the coupling relation of the logic intelligent contract and the data intelligent contract; acquiring registration information of a registrant; generating the authority of a registrant according to the registration information and the authority of accessing the data intelligent contract by the logic intelligent contract; the registrant authority is the authority of the registrant to read and write the service data; acquiring access information of an accessor; judging whether the visitor has the registrant authority or not according to the access information; if the service data has the registrant authority, allowing the accessor to perform read-write operation on the service data; and if the service data does not have the registrant authority, forbidding the accessor to carry out read-write operation on the service data. By adopting the method and the system, the safety and the legality of the block chain read-write data can be guaranteed through intelligent contract authority control. However, with the above-described method, intelligent contract management of different versions cannot be performed.
Disclosure of Invention
The application mainly aims to provide an intelligent contract changing method and system to solve the problem that intelligent management of intelligent contracts is difficult in the related art.
In order to achieve the above object, in a first aspect, the present application provides an intelligent contract changing method, specifically including the following steps:
s1, acquiring an intelligent contract change request: decoupling the original intelligent contract, and initiating an intelligent contract change request by a user;
s2, judging whether the intelligent contract request needs to add a new intelligent contract: judging whether a request for changing the intelligent contract is needed to be added with a new intelligent contract;
s3, if a new intelligent contract needs to be added, judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract, if so, searching whether an address of the new intelligent contract exists in an intelligent contract warehouse, if not, adding the new intelligent contract address into the corresponding intelligent contract warehouse, and if so, covering the new intelligent contract address with an old address;
s4, if no new intelligent contract is needed to be added, judging whether the intelligent contract account initiating the request has the authority for switching the intelligent contract, and if the intelligent contract account has the authority for switching the intelligent contract, adding the new intelligent contract to replace the original intelligent contract;
and S5, if the intelligent contract has the authority of changing the intelligent contract and the authority of adding the intelligent contract and the new intelligent contract is successfully added, the new intelligent contract is endowed with the authority of accessing the new intelligent contract through the routing contract and is connected with the new intelligent contract and the old intelligent contract.
In one embodiment of the present application, the original intelligent contract is decoupled in such a way that the original intelligent contract is decoupled into one or several sub-intelligent contracts.
In an embodiment of the present application, in the S2, a specific manner of determining whether the intelligent contract request needs to add a new intelligent contract is: after acquiring a contract change request, judging whether the request carries a new contract address, if the request carries the new contract address, adding the new intelligent contract into a contract warehouse, and then directly connecting the new intelligent contract and the old intelligent contract through a routing contract.
In one embodiment of the present application, in S3, the intelligent contract repository performs storage and version management of the intelligent contract, and the intelligent contract repository includes a contract address, a contract name, and a contract type.
In one embodiment of the present application, the contract name determines a unique contract, and the user may also make contract changes by the contract name.
In a second aspect, the present application further provides an intelligent contract changing system, including a central processing unit and a communication module, the central processing unit is connected with the communication module via signals, the central processing unit is provided with a permission management module, a first judgment module, a second judgment module, a third judgment module, an intelligent contract warehouse and a routing connection module, the first judgment module is connected with the permission management module via signals, the second judgment module and the third judgment module are respectively connected with the first judgment module via signals, the second judgment module is connected with the intelligent contract warehouse via signals, and the routing connection module is respectively connected with the intelligent contract warehouse and the third judgment module via signals, wherein:
the communication module is used for the user to communicate, and the user can conveniently initiate an intelligent contract change request;
the first judgment module is used for judging whether the intelligent contract request needs to be added with a new intelligent contract or not;
the second judging module is used for judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract when a new intelligent contract needs to be added;
the third judging module is used for judging whether the intelligent contract account initiating the request has the authority of switching the intelligent contract or not when a new intelligent contract does not need to be added;
the intelligent contract warehouse is used for storing and version managing intelligent contracts and storing contract addresses, contract names and contract types;
and the route connection module is used for endowing the new intelligent contract with access permission and connecting the new intelligent contract with the old intelligent contract after the new intelligent contract is successfully added.
In an embodiment of the present application, the intelligent contract warehouse is in signal connection with a preprocessing module, and the preprocessing module is configured to decouple an original intelligent contract to decouple the original intelligent contract into one or a plurality of sub-intelligent contracts.
In one embodiment of the present application, the routing connection module is in signal connection with a routing contract module, and the routing contract module is used for producing routing contracts connected with new and old intelligent contracts.
Compared with the prior art, the beneficial effects of this application are:
1. by the intelligent contract changing method, the intelligent contract is decoupled in advance, and only part of decoupled content needs to be updated when the intelligent contract is updated, so that the contract is prevented from being updated integrally, and the occupation of resources is reduced;
2. by the intelligent contract changing method, the authority is strictly verified, the safety and the legality of the block chain read and write data can be guaranteed, and the safety of contract updating is ensured;
3. by the intelligent contract changing method, the contracts are connected through the routing contracts, the contracts can be flexibly upgraded and changed after the requirements are changed, and the arrangement of the contracts is reduced.
Drawings
FIG. 1 is a schematic block diagram of a flow chart of an intelligent contract changing method provided according to an embodiment of the application;
fig. 2 is a schematic block diagram of a system of an intelligent contract change system according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
The block chain is a distributed shared account book and a database, and has the characteristics of decentralization, no tampering, trace retaining in the whole process, traceability, collective maintenance, openness and transparency and the like. The blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm.
Smart contracts (english: Smart contracts) are a computer protocol intended to propagate, verify or execute contracts in an informative way. Smart contracts allow trusted transactions to be conducted without third parties, which transactions are traceable and irreversible. The intelligent contract concept was first introduced by Nick Szabo in 1995. Ethereum (ethernet in english) is an open-source public blockchain platform with intelligent contract functionality. The intelligent contracts described in this patent are not limited to common blockchain platforms that are specifically equipped with intelligent contract functionality.
Each node on the public chain can freely join and leave the network, and participates in reading and writing of data on the chain, the reading and writing are interconnected and intercommunicated in a flat topological structure, and no centralized service end node exists in the network. Like bitcoin and ether houses, which are well known, are public chains. The public chain has the advantages of no limitation and free participation.
Referring to fig. 1, the present application provides an intelligent contract change method, which specifically includes the following steps:
s1, acquiring an intelligent contract change request: decoupling the original intelligent contract, decoupling the original intelligent contract into one or a plurality of sub-intelligent contracts, and initiating an intelligent contract change request by a user;
s2, judging whether the intelligent contract request needs to add a new intelligent contract: judging a request for changing an intelligent contract, judging whether a new intelligent contract needs to be added or not, judging whether the request carries a new contract address or not after the contract changing request is obtained, if the request carries the new contract address, adding the new intelligent contract into a contract warehouse, and then directly connecting the new intelligent contract and the old intelligent contract through routing contracts;
s3, if a new intelligent contract needs to be added, judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract, if so, searching whether an address of the new intelligent contract exists in an intelligent contract warehouse, if not, adding the new intelligent contract address into the corresponding intelligent contract warehouse, and if so, covering the new intelligent contract address with an old address;
s4, if no new intelligent contract is needed to be added, judging whether the intelligent contract account initiating the request has the authority for switching the intelligent contract, and if the intelligent contract account has the authority for switching the intelligent contract, adding the new intelligent contract to replace the original intelligent contract;
and S5, if the intelligent contract has the authority of changing the intelligent contract and the authority of adding the intelligent contract and the new intelligent contract is successfully added, the new intelligent contract is endowed with the authority of accessing the new intelligent contract through the routing contract and is connected with the new intelligent contract and the old intelligent contract.
In the embodiment, the intelligent contract warehouse is used for storing and managing the version of the intelligent contract, so that the intelligent contract can be conveniently changed directly through routing contracts next time; the intelligent contract warehouse comprises contract addresses, contract names and contract types, the contract names determine unique contracts, and users can also change the contracts through the contract names, so that the possibility of misoperation caused by using the contract addresses without meanings during change is avoided; when the contract is changed through the contract name, after the original input contract is decoupled, a plurality of sub-intelligent contracts are named in a mode of system allocation or autonomous naming, and in the updating process, the naming of the updated intelligent contract needs to be adjusted to the original naming mode.
It should be noted that, in the iterative development process, because of a change in the service requirement, an update of the intelligent contract needs to be performed, and the intelligent contract cannot be modified once deployed into the blockchain network due to the characteristics of the blockchain network. Therefore, it is necessary to decouple the contract, and when the contract needs to be updated and modified, only one or a plurality of sub-contracts are updated or combined to realize corresponding functions;
since the intelligent contract is generally deployed in a public chain, anyone can access the intelligent contract through a contract address, in order to ensure the security of data in the intelligent contract, the management of authority is required. The user is subjected to the current permission management, and the safety of internal data and processing logic of the intelligent contract is ensured;
each intelligent contract needs to be examined by the authority of the routing contract for external access, and the access contract is endowed with the authority for invoking the accessed contract after the contract is successfully changed and added, so that the safety of data in the contract is further ensured.
Please refer to fig. 2, a second aspect, the present application further provides an intelligent contract change system, which includes a central processing unit and a communication module, the central processing unit is connected with the communication module via signals, the central processing unit is provided with a permission management module, a first judgment module, a second judgment module, a third judgment module, an intelligent contract warehouse and a routing connection module, the first judgment module is connected with the permission management module via signals, the second judgment module and the third judgment module are respectively connected with the first judgment module via signals, the second judgment module is connected with the intelligent contract warehouse via signals, the routing connection module is respectively connected with the intelligent contract warehouse and the third judgment module via signals, wherein:
the communication module is used for the user to communicate, and the user can conveniently initiate an intelligent contract change request;
the first judgment module is used for judging whether the intelligent contract request needs to be added with a new intelligent contract or not;
the second judging module is used for judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract when a new intelligent contract needs to be added;
the third judging module is used for judging whether the intelligent contract account initiating the request has the authority of switching the intelligent contract or not when a new intelligent contract does not need to be added;
the intelligent contract warehouse is used for storing and version managing intelligent contracts and storing contract addresses, contract names and contract types, and is in signal connection with a preprocessing module during specific setting, and the preprocessing module is used for decoupling the original intelligent contracts and decoupling the original intelligent contracts into one or a plurality of sub-intelligent contracts;
the route connection module is used for endowing the access authority of the new intelligent contract and connecting the new intelligent contract and the old intelligent contract after the new intelligent contract is successfully added, and is in signal connection with the route contract module during specific setting, and the route contract module is used for producing the route contract connected with the new intelligent contract and the old intelligent contract.
It should be noted that the intelligent contract repository can also be built by adopting a database building method, and the database can be stored in a cloud space, so that the intelligent contract repository is convenient to update when the data volume is large.
A routing contract, i.e. an existing routing protocol, is an internet protocol that specifies the way packets are transferred. The main node devices of the Internet network are routers, which forward the received data through routing tables. The forwarding policy may be manually specified (by static routing, policy routing, etc.). In networks with smaller scales, manually specifying forwarding policies does not pose any problem. However, in a network with a larger scale (such as a multinational enterprise network, ISP network), if the forwarding policy is manually specified, a huge amount of work is required for a network administrator, and it becomes very difficult to manage and maintain the routing table. To solve this problem, dynamic routing protocols have evolved. The dynamic routing protocol can enable the router to automatically learn the network of other routers and automatically update the routing table after the network topology changes. The network administrator only needs to configure the dynamic routing protocol, and compared with a manual appointed forwarding strategy, the workload is greatly reduced.
In conclusion, by decoupling the intelligent contract in advance, when the intelligent contract is updated, only part of decoupled contents need to be updated, so that the contract is prevented from being updated integrally, and the occupation of resources is reduced; the authority is strictly verified, so that the safety and the legality of the block chain read and write data can be guaranteed, and the safety of contract updating is ensured; the contracts are connected through the routing contracts, the contracts can be flexibly upgraded and changed after the requirements are changed, and the arrangement of the contracts is reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. An intelligent contract changing method is characterized by specifically comprising the following steps:
s1, acquiring an intelligent contract change request: decoupling the original intelligent contract, and initiating an intelligent contract change request by a user;
s2, judging whether the intelligent contract request needs to add a new intelligent contract: judging whether a request for changing the intelligent contract is needed to be added with a new intelligent contract;
s3, if a new intelligent contract needs to be added, judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract, if so, searching whether an address of the new intelligent contract exists in an intelligent contract warehouse, if not, adding the new intelligent contract address into the corresponding intelligent contract warehouse, and if so, covering the new intelligent contract address with an old address;
s4, if no new intelligent contract is needed to be added, judging whether the intelligent contract account initiating the request has the authority for switching the intelligent contract, and if the intelligent contract account has the authority for switching the intelligent contract, adding the new intelligent contract to replace the original intelligent contract;
and S5, if the intelligent contract has the authority of changing the intelligent contract and the authority of adding the intelligent contract and the new intelligent contract is successfully added, the new intelligent contract is endowed with the authority of accessing the new intelligent contract through the routing contract and is connected with the new intelligent contract and the old intelligent contract.
2. An intelligent contract changing method according to claim 1, wherein the original intelligent contract is decoupled in such a way that the original intelligent contract is decoupled into one or several sub-intelligent contracts.
3. An intelligent contract changing method according to claim 1, wherein in S2, the specific way of determining whether the intelligent contract request needs to be added with a new intelligent contract is: after acquiring a contract change request, judging whether the request carries a new contract address, if the request carries the new contract address, adding the new intelligent contract into a contract warehouse, and then directly connecting the new intelligent contract and the old intelligent contract through a routing contract.
4. An intelligent contract changing method according to claim 1, wherein in S3, the intelligent contract repository performs storage and version management of the intelligent contract, and the intelligent contract repository includes a contract address, a contract name and a contract type.
5. An intelligent contract altering method according to claim 4, wherein the contract name defines a unique contract and the user can also make contract alterations by contract name.
6. An intelligent contract change system comprises a central processing unit and a communication module, and is characterized in that the central processing module is in signal connection with the communication module, the central processing unit is internally provided with an authority management module, a first judgment module, a second judgment module, a third judgment module, an intelligent contract warehouse and a route connection module, the first judgment module is in signal connection with the authority management module, the second judgment module and the third judgment module are in signal connection with the first judgment module respectively, the second judgment module is in signal connection with the intelligent contract warehouse, and the route connection module is in signal connection with the intelligent contract warehouse and the third judgment module respectively, wherein:
the communication module is used for the user to communicate, and the user can conveniently initiate an intelligent contract change request;
the first judgment module is used for judging whether the intelligent contract request needs to be added with a new intelligent contract or not;
the second judging module is used for judging whether the intelligent contract account initiating the request has the authority of adding the intelligent contract when a new intelligent contract needs to be added;
the third judging module is used for judging whether the intelligent contract account initiating the request has the authority of switching the intelligent contract or not when a new intelligent contract does not need to be added;
the intelligent contract warehouse is used for storing and version managing intelligent contracts and storing contract addresses, contract names and contract types;
and the route connection module is used for endowing the new intelligent contract with access permission and connecting the new intelligent contract with the old intelligent contract after the new intelligent contract is successfully added.
7. An intelligent contract changing system according to claim 6, wherein the intelligent contract warehouse is signally connected with a preprocessing module, and the preprocessing module is used for decoupling the original intelligent contract and decoupling the original intelligent contract into one or a plurality of sub-intelligent contracts.
8. An intelligent contract changing system according to claim 6, wherein said routing connection module is signally connected to a routing contract module for producing routing contracts to which old and new intelligent contracts are connected.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117011048A (en) * | 2023-07-25 | 2023-11-07 | 明亚保险经纪股份有限公司 | Online entrusting protocol signing method, system, equipment and medium |
| CN117172913A (en) * | 2023-10-12 | 2023-12-05 | 广州保德来小额贷款有限公司 | Intelligent contract-based contract change procedure execution method and system |
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2021
- 2021-11-02 CN CN202111285491.5A patent/CN114020312A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117011048A (en) * | 2023-07-25 | 2023-11-07 | 明亚保险经纪股份有限公司 | Online entrusting protocol signing method, system, equipment and medium |
| CN117011048B (en) * | 2023-07-25 | 2024-03-26 | 明亚保险经纪股份有限公司 | Online entrusting protocol signing method, system, equipment and medium |
| CN117172913A (en) * | 2023-10-12 | 2023-12-05 | 广州保德来小额贷款有限公司 | Intelligent contract-based contract change procedure execution method and system |
| CN117172913B (en) * | 2023-10-12 | 2024-02-13 | 广州保德来小额贷款有限公司 | Intelligent contract-based contract change procedure execution method and system |
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