CN112053243B - Method and device for upgrading intelligent contracts in block chain - Google Patents
Method and device for upgrading intelligent contracts in block chain Download PDFInfo
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- CN112053243B CN112053243B CN202011052815.6A CN202011052815A CN112053243B CN 112053243 B CN112053243 B CN 112053243B CN 202011052815 A CN202011052815 A CN 202011052815A CN 112053243 B CN112053243 B CN 112053243B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003999 initiator Substances 0.000 claims abstract description 36
- 230000003542 behavioural effect Effects 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000006399 behavior Effects 0.000 description 93
- 230000009471 action Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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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
- G06F16/23—Updating
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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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Abstract
The invention provides a method and a device for upgrading intelligent contracts in a block chain, comprising the following steps: and receiving a behavior contract upgrading request sent by the initiator, judging whether the initiator is one of the participants of the behavior contract, if so, sending the behavior contract upgrading request to an authentication contract for authentication, and carrying out the behavior contract upgrading after the authentication contract is pre-configured through parameterization so that the participants of the behavior contract authenticate the behavior contract upgrading request. Thus, the security of the upgrade is improved through the judgment of the initiator. And because the authentication contract is parameterized and configured in advance, when the behavior contract upgrading request is authenticated, only the participants of the behavior contract in the intelligent contract are required to be authenticated, and all the participants in the intelligent contract are not required to be authenticated, so that the flexibility of contract upgrading is improved, and the combination of contract upgrading and service modes is realized.
Description
Technical Field
The invention relates to the technical field of blockchains, in particular to a method and a device for upgrading intelligent contracts in a blockchain.
Background
The intelligent contract is a block chain execution program, and can be accurately and automatically executed. The intelligent contract based on the block chain technology not only can play the advantage of the intelligent contract in the aspect of cost efficiency, but also can avoid the interference of malicious behaviors on the normal execution of the contract. The intelligent contracts are written into the blockchain in a mode of reduction and coding, and the storage, reading and execution of the whole process are transparent, trackable and unchangeable by the characteristics of the blockchain technology.
When the business mode changes, the corresponding intelligent contracts also need to be updated and updated, the update mode of the current intelligent contracts is to update the contracts through a certain node in the block chain, all the participants needing the intelligent contracts to authenticate the update request before the update, and the update can be carried out after the authentication of all the participants passes. In addition, in the process of updating the contract by the node, if the node is attacked, the node is paralyzed or the authority is replaced, so that the security is weaker.
Disclosure of Invention
Therefore, the present invention aims to provide a method and a device for upgrading an intelligent contract in a blockchain, which can combine with a service mode to improve flexibility of contract upgrading.
In order to achieve the above purpose, the invention has the following technical scheme:
a method of intelligent contract upgrades in a blockchain, comprising:
receiving a behavior contract upgrading request sent by an initiator, and judging whether the initiator is one of the participants of the behavior contract;
if yes, the behavior contract upgrading request is sent to an authentication contract for authentication; the authentication contract is configured in advance through parameterization, so that the participant of the behavior contract authenticates the behavior contract upgrading request;
and after the authentication is passed, performing the behavior contract upgrading.
Optionally, before receiving the behavior contract upgrading request sent by the initiator, the method further includes:
analyzing a service mode in a blockchain service scene to obtain all participants in the blockchain service scene and the functions of an intelligent contract, wherein the functions of the intelligent contract are executed by at least one participant in the all participants;
then, receiving the behavior contract upgrade request sent by the initiator includes:
and obtaining the function of the behavior contract according to the behavior contract upgrading request, and searching the function consistent with the function of the behavior contract in the function of the intelligent contract to obtain the participant of the behavior contract.
Optionally, the authentication contract is configured in advance by parameterization, including:
and according to the behavior contract upgrading request, acquiring the behavior contract participant, and configuring the participant of the behavior contract into the authentication contract.
Optionally, after the authentication is passed, the performing the behavior contract upgrade includes:
and after the authentication is passed, sending the message passing the authentication to an agent contract, and upgrading the behavior contract through the agent contract.
Optionally, the behavior contract is a loan contract, and the participants of the behavior contract include: banking, enterprise and supervisor parties.
An apparatus for intelligent contract upgrades in a blockchain, comprising:
the receiving unit is used for receiving a behavior contract upgrading request sent by an initiator and judging whether the initiator is one of the participants of the behavior contract;
the authentication unit is used for sending the behavior contract upgrading request to the authentication contract for authentication when the initiator is one of the participants of the behavior contract; the authentication contract is configured in advance through parameterization, so that the participant of the behavior contract authenticates the behavior contract upgrading request;
and the upgrading unit is used for upgrading the behavior contract after the authentication is passed.
Optionally, the method further comprises:
the system comprises an analysis unit, a control unit and a control unit, wherein the analysis unit is used for analyzing a service mode in a blockchain service scene to obtain all participants in the blockchain service scene and the functions of an intelligent contract, and the functions of the intelligent contract are executed by at least one participant in the all participants;
and the receiving unit is specifically configured to obtain the function of the behavior contract according to the behavior contract upgrading request, and search the function consistent with the function of the behavior contract in the functions of the intelligent contract to obtain the participant of the behavior contract.
Optionally, the authentication unit is specifically configured to obtain the behavioral contract participant according to the behavioral contract upgrade request, and configure the behavioral contract participant into the authentication contract.
Optionally, the upgrading unit is specifically configured to send a message passing authentication to an agent contract after the authentication passes, and upgrade the behavior contract through the agent contract.
Optionally, the behavior contract is a loan contract, and the participants of the behavior contract include: banking, enterprise and supervisor parties.
The method for upgrading the intelligent contracts in the block chain provided by the embodiment of the invention comprises the following steps: and receiving a behavior contract upgrading request sent by the initiator, judging whether the initiator is one of the participants of the behavior contract, if so, sending the behavior contract upgrading request to an authentication contract for authentication, and carrying out the behavior contract upgrading after the authentication contract is pre-configured through parameterization so that the participants of the behavior contract authenticate the behavior contract upgrading request. Thus, the security of the upgrade is improved through the judgment of the initiator. And because the authentication contract is parameterized and configured in advance, when the behavior contract upgrading request is authenticated, only the participants of the behavior contract in the intelligent contract are required to be authenticated, and all the participants in the intelligent contract are not required to be authenticated, so that the flexibility of contract upgrading is improved, and the combination of contract upgrading and service modes is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart illustrating a method for intelligent contract upgrades in a blockchain in accordance with embodiments of the present invention;
FIG. 2 illustrates a block chain intelligent contract upgrade apparatus in accordance with one embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an apparatus for intelligent contract upgrades in a blockchain in accordance with an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
As described in the background art, when a service mode is changed, the corresponding intelligent contract also needs to be updated and updated, and the update mode of the intelligent contract is to update the contract through a certain node in the blockchain, all the participants needing the intelligent contract to authenticate the update request before the update, and the update can be performed after the authentication of all the participants passes.
To this end, an embodiment of the present application provides a method for upgrading an intelligent contract in a blockchain, including: and receiving a behavior contract upgrading request sent by the initiator, judging whether the initiator is one of the participants of the behavior contract, if so, sending the behavior contract upgrading request to an authentication contract for authentication, and carrying out the behavior contract upgrading after the authentication contract is pre-configured through parameterization so that the participants of the behavior contract authenticate the behavior contract upgrading request. In this way, parameterized configuration is performed on the authentication contract in advance, so that when the behavior contract upgrading request is authenticated, only the participants of the behavior contract in the intelligent contract are required to be authenticated, all the participants in the intelligent contract are not required to be authenticated, flexibility of contract upgrading is improved, and combination of contract upgrading and business modes is realized.
In order to facilitate understanding of technical solutions and technical effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, in step S01, a behavior contract upgrade request sent by an initiator is received, and it is determined whether the initiator is one of the participants of the behavior contract.
Blockchains are distributed shared databases based on peer-to-peer network propagation, and have the characteristics of 'non-tamperability', 'decentralization', 'automatic execution', and the like. Based on the characteristics, the blockchain technology has wide application prospect and is applied to the fields of finance, the Internet of things, public service and the like.
The intelligent contract is a block chain executing program, and the program is automatically executed on a block chain network. The intelligent contract based on the block chain technology not only can play the advantage of the intelligent contract in the aspect of cost efficiency, but also can avoid the interference of malicious behaviors on the normal execution of the contract. The intelligent contracts are written into the blockchain in a mode of reduction and coding, and the storage, reading and execution of the whole process are guaranteed to be transparent, trackable and unchangeable due to the characteristics of decentralization, non-falsification, transparency, traceability and the like of the blockchain. And once the agreement terms are triggered, there is no concern that the smart contract will not execute the command. The smart contract enables the user to transition from a trusted third party authority to the trusted contract itself, from a trusted party to trusted code. The relationship of a blockchain to a smart contract can be understood as "blockchain is responsible for the storage of data" and "smart contract is responsible for the processing logic of a business".
When the business mode is changed, the corresponding intelligent contract also needs to be updated, namely when the business mode is changed, the logic processing function of the business also needs to be changed. The smart contract includes: behavior contracts, authentication contracts, proxy contracts and the like, wherein the behavior contracts are specific logic processing contracts in a blockchain, the authentication contracts carry out transaction verification and authority judgment on a contract upgrading function, generally only one authentication contract exists in one blockchain, the proxy contracts a unified entry of all contracts, and the proxy contracts comprise a contract updating interface and a contract function interface and can be called according to specific transactions in blockchain application.
When the business mode changes, the behavior contracts in the intelligent contracts need to be updated, an initiator sends an updating request of the behavior contracts, after receiving the updating request of the behavior contracts, the initiator needs to be judged to judge whether the initiator is one of the participants of the behavior contracts, and the number of the participants of the behavior contracts is usually not less than one, so that the initiator is only one of the participants. And judging the initiator of the behavior contract upgrading request, and avoiding the influence of malicious upgrading behaviors on the blockchain.
In a specific application, before receiving a behavior contract request sent by an initiator, a service mode in a blockchain service scene may be analyzed to obtain functions of all participants in the blockchain service scene and an intelligent contract, where the functions of the intelligent contract are performed by at least one of all the participants. For example, in a funds administration scenario in which parties to an intelligent contract in a blockchain include a banking party, an enterprise party, and a supervising party, the function of the intelligent contract is that the enterprise party applies for loan funds to the banking party, the supervising party performs the administration, and the banking party dials out the loan funds. The behavioral contracts in the smart contracts may be loan contracts, which are smart contracts for enterprises applying funds for loans to banks, and the participants in the loan contracts include banking parties, enterprise parties, and supervisory parties. After receiving the behavior contract upgrade request, that is, after receiving the loan contract upgrade request, the function of the loan contract is obtained in the loan contract upgrade request, then the function consistent with the function in the loan contract is searched in the intelligent contract according to the function of the agent contract, the function consistent with the function in the loan contract is searched in the intelligent contract, for example, the function of the supervisor in the loan contract is supervision, and the supervisor of the supervisor function in the intelligent contract is searched in the intelligent contract, so that the supervisor of the supervisor function in the intelligent contract is obtained, and further the participants of the loan contract are obtained.
In step S02, if yes, the behavior contract upgrade request is sent to an authentication contract for authentication, and the authentication contract is configured in advance through parameters, so that the participant of the behavior contract authenticates the behavior contract upgrade request.
The authentication contract is used as a key part in intelligent contract upgrading, mainly bears transaction verification and authority judgment of various contract upgrading updates, is maintained by a super manager, and can be modified only by verification of all participants.
When the initiator of the behavior contract upgrading request is the participant of the behavior contract, the behavior contract upgrading request is sent to an authentication contract for authentication, and the authentication is the judgment of the authority of the upgrading request. In this embodiment of the present application, according to an action contract upgrade request, a party of an action contract is obtained, the party of the action contract is configured into an authentication contract, for example, an initiator of the action contract includes a banking party, a supervision party and an enterprise party, the banking party, the supervision party and the enterprise party are configured into the authentication contract, and specifically, all the parties in the intelligent contract may be configured through an or and other instruction, and the banking party, the enterprise party and the supervision party are configured into the authentication contract. Thus, after the behavior contract upgrading request is sent to the authentication contract, only the participants in the behavior contract authenticate the behavior contract upgrading request, and all the participants in the intelligent contract do not need to authenticate, so that flexibility of contract upgrading is realized.
In step S03, after the authentication is passed, a behavior contract upgrade is performed.
In this embodiment, after the authentication of the participant of the behavior contract passes, the behavior contract may be upgraded, and the upgraded behavior contract may run on the blockchain. After the authentication is passed, the authenticated message can be sent to the proxy contract, and the behavior contract is updated through the proxy contract. Specifically, after the authentication is passed, the contract update transaction is sent to the contract update interface of the proxy contract, and the specific behavior contract on the blockchain is called for version upgrade.
The embodiment of the application is described in detail above, and the security of upgrading is improved by judging the initiator. And because the authentication contract is parameterized and configured in advance, when the behavior contract upgrading request is authenticated, only the participants of the behavior contract in the intelligent contract are required to be authenticated, and all the participants in the intelligent contract are not required to be authenticated, so that the flexibility of contract upgrading is improved, and the combination of contract upgrading and service modes is realized.
The embodiment of the application further provides a device for upgrading an intelligent contract in a blockchain, which is shown with reference to fig. 2 and includes:
a receiving unit 201, configured to receive a behavior contract upgrade request sent by an initiator, and determine whether the initiator is one of the participants of the behavior contract;
an authentication unit 202, configured to send, when the initiator is one of the participants of the behavior contract, the behavior contract upgrade request to an authentication contract for authentication; the authentication contract is configured in advance through parameterization, so that the participant of the behavior contract authenticates the behavior contract upgrading request;
and the upgrading unit 203 is configured to perform the behavior contract upgrading after the authentication is passed.
In this embodiment, referring to fig. 3, the analysis unit 204 analyzes the service patterns in the blockchain service scenario to obtain all the participants in the blockchain service scenario and the functions of the intelligent contract, where the functions of the intelligent contract are executed by at least one of the participants. Then, the receiving unit 201 obtains the function of the behavior contract according to the behavior contract upgrade request, and searches for a function consistent with the function of the behavior contract among the functions of the smart contract to obtain the participant of the behavior contract. In a specific embodiment, the behavioral contract is a loan contract, and the parties to the behavioral contract include: banking, enterprise and supervisor parties.
In this embodiment, the authentication unit 202 obtains the behavioral contract participant according to the behavioral contract upgrade request, and configures the behavioral contract participant into the authentication contract.
In this embodiment, the upgrade unit 203 sends a message passing authentication to the proxy contract after passing authentication, and upgrades the behavior contract through the proxy contract.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The foregoing is merely a preferred embodiment of the present invention, and the present invention has been disclosed in the above description of the preferred embodiment, but is not limited thereto. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (8)
1. A method of intelligent contract upgrades in a blockchain, comprising:
receiving a behavior contract upgrading request sent by an initiator, and judging whether the initiator is one of the participants of the behavior contract;
if yes, configuring all the participants of the behavior contract into an authentication contract so that the participants authenticate the behavior contract upgrading request;
and after the authentication of the behavior contract upgrading request is passed by the participants, performing the behavior contract upgrading.
2. The method of claim 1, further comprising, prior to receiving the behavior contract upgrade request sent by the initiator:
analyzing a service mode in a blockchain service scene to obtain all participants in the blockchain service scene and the functions of an intelligent contract, wherein the functions of the intelligent contract are executed by at least one participant in the all participants;
then, receiving the behavior contract upgrade request sent by the initiator includes:
and obtaining the function of the behavior contract according to the behavior contract upgrading request, and searching the function consistent with the function of the behavior contract in the function of the intelligent contract to obtain the participant of the behavior contract.
3. The method of claim 1, wherein said performing said behavioral contract upgrade after said behavioral contract upgrade request is authenticated by said parties includes:
and after the authentication is passed, sending the message passing the authentication to an agent contract, and upgrading the behavior contract through the agent contract.
4. A method according to any one of claims 1-3, wherein the behavioural contract is a loan contract, the participants of the behavioural contract comprising: banking, enterprise and supervisor parties.
5. An apparatus for intelligent contract upgrades in a blockchain, comprising:
the receiving unit is used for receiving a behavior contract upgrading request sent by an initiator and judging whether the initiator is one of the participants of the behavior contract;
the authentication unit is used for configuring all the participants of the behavior contract into an authentication contract when the initiator is one of the participants of the behavior contract, so that the participants authenticate the behavior contract upgrading request;
and the upgrading unit is used for carrying out the behavior contract upgrading after the authentication of the behavior contract upgrading request is passed by the participators.
6. The apparatus as recited in claim 5, further comprising:
the system comprises an analysis unit, a control unit and a control unit, wherein the analysis unit is used for analyzing a service mode in a blockchain service scene to obtain all participants in the blockchain service scene and the functions of an intelligent contract, and the functions of the intelligent contract are executed by at least one participant in the all participants;
and the receiving unit is specifically configured to obtain the function of the behavior contract according to the behavior contract upgrading request, and search the function consistent with the function of the behavior contract in the functions of the intelligent contract to obtain the participant of the behavior contract.
7. The apparatus according to claim 5, wherein the upgrade unit is specifically configured to send a message passing authentication to an agent contract through which the behavior contract is upgraded after the authentication is passed.
8. The apparatus of any one of claims 5-7, wherein the behavioral contract is a loan contract, the parties to the behavioral contract comprising: banking, enterprise and supervisor parties.
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| CN108881312A (en) * | 2018-08-24 | 2018-11-23 | 北京京东尚科信息技术有限公司 | Intelligent contract upgrade method, system and relevant device and storage medium |
| CN109358881A (en) * | 2018-10-24 | 2019-02-19 | 杭州趣链科技有限公司 | A kind of intelligent contract upgrade method that the permission based on intelligent contract is controllable |
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| CN111159753A (en) * | 2019-12-10 | 2020-05-15 | 天翼电子商务有限公司 | Block chain intelligent contract management method and system, storage medium and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20200193541A1 (en) * | 2018-12-18 | 2020-06-18 | Crosschain Group LLC | Computer system enabling flexible creation of and participation in blockchain-based smart contracts for transactions in tokenized digital assets |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108881312A (en) * | 2018-08-24 | 2018-11-23 | 北京京东尚科信息技术有限公司 | Intelligent contract upgrade method, system and relevant device and storage medium |
| CN109358881A (en) * | 2018-10-24 | 2019-02-19 | 杭州趣链科技有限公司 | A kind of intelligent contract upgrade method that the permission based on intelligent contract is controllable |
| CN109493072A (en) * | 2018-10-24 | 2019-03-19 | 杭州趣链科技有限公司 | A method of the privacy contract protection based on alliance's block chain |
| CN111159753A (en) * | 2019-12-10 | 2020-05-15 | 天翼电子商务有限公司 | Block chain intelligent contract management method and system, storage medium and terminal |
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