CN113706148A - Channel authority control-based chain crossing method, system, storage medium and device - Google Patents
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Abstract
The invention belongs to the technical field of block chain channels, and provides a channel authority control-based chain crossing method, a chain crossing system, a storage medium and a device. According to the method, access authorization is carried out on all accessed systems by defining channel types and interaction among different channels, safe butt joint of cross-chain transaction is achieved, the speed of the cross-chain transaction is increased by channel authority-based configurability of the cross-chain transaction, and rapid implementation of complex scenes is met.
Description
Technical Field
The invention belongs to the technical field of block chain crossing, and particularly relates to a channel authority control-based chain crossing method, a chain crossing system, a storage medium and a device.
Background
Currently, the cross-link project on the market is generally in an exploration stage and is not applied on a large scale. On one hand, the technology of the basic platform at the bottom layer of the block chain is not completed, and the landing of an application product is difficult to support, so that the requirement on the more-closer cross-chain service is not strong; on the other hand, the chain crossing technology is not mature, and the influence of chain crossing on the safety of the existing block chain system is to be examined.
The traditional system docking is based on a transaction agreement mode, and also considers the data security of message transmission, for example: private key signature and public key signature verification, but a cross-chain system is designed for solving the problem of interaction among a plurality of systems, the requirement on the safety of butt joint cannot be met according to convention, and because the cross-chain system has a plurality of service scenes, the butt joint of the cross-chain system is complex, and the development speed of the system is slow.
Disclosure of Invention
Based on the background and the problems existing in the prior art, the invention proposes to design a cross-chain method based on channel authority control, the method carries out access authorization on all accessed systems by defining channel types and interaction among different channels, realizes safe butt joint of cross-chain transaction, solves the problems of the cross-chain transaction butt joint safety and speed in the scene from a cross-chain workflow and channels, improves the speed of the cross-chain transaction based on channel authority configurability, meets the rapid implementation of complex scenes, improves the speed of the cross-chain transaction to a certain extent, and ensures the butt joint safety.
The technical scheme is as follows:
on one hand, the invention provides a channel authority control-based chain crossing method, which comprises the following concrete implementation steps:
the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, authorization is carried out if the first authority verification is passed, authority access is carried out according to a verification result, and information is refused to be returned if the first authority verification is not passed;
after the first permission verification is passed, the second cross-link system distributes a second cross-link channel number to the first cross-link system, meanwhile, the second cross-link system binds the second contract method number and the first cross-link channel number and feeds back the second contract method number and the first cross-link channel number to the first cross-link route, and the first cross-link route carries out second permission verification on the bound second contract method number and the first cross-link channel number and authorizes the first contract method number and the first cross-link channel number if the second contract method number and the first cross-link channel number pass;
and the first cross-link system opens the authority, feeds the acquired authorization passing information back to the first service system, and allows the first service system to complete one cross-link transaction by butting.
Further, after the first contract method number and the service channel number are bound, the method further includes: and deriving a first service system access list through the first cross-link route, and providing the access list for the first service system interface, wherein the access list comprises the first cross-link route address and a transaction list which is accessible to the first service system through the first cross-link route.
In the above scheme, the performing the first permission check specifically includes:
and the second cross-link is accessed to the list by exporting the first service system, a configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, if the information is matched, the callback information can be accessed, the callback information corresponding to the contract method is checked to comprise the first service channel number and the first contract method number transmitted by the first cross-link, and if the information is not matched, the access is rejected.
In the above scheme, the specific generation step of the second contract method number includes: the second cross-chain management module is configured to interface the second cross-chain gateway mapping and the operable blockchain link and the contract information to generate a second contract method number.
In the above scheme, the specific implementation steps of the second permission check include: and the second cross-link is accessed to the list by exporting the first service system, a configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, if the information is matched, the callback information can be accessed, the callback information corresponding to the contract method is checked to comprise the first cross-link channel number sent by the second cross-link and the second contract method number provided by the first cross-link channel number, and if the information is not matched, the access is refused.
Further, the specific implementation steps of the process for implementing the cross-chain transaction based on the cross-chain method include:
after receiving a first service system request, a first cross-chain management module acquires unique contract method configuration through a configured first contract method number, and checks callback information corresponding to the contract method, wherein the callback information has the following key elements: the first cross-link route calls the first cross-link gateway according to the callback parameter and then accesses the second cross-link route; wherein the callback information comprises the key element.
The second cross-link receives the first cross-link routing request, acquires the unique contract method configuration through the configured first contract method number, checks the callback configuration corresponding to the contract method, and asynchronously requests the first cross-link routing through the callback configuration of the contract method after the second cross-link performs the uplink operation;
and the first cross-link route receives the second cross-link routing request, acquires the unique contract method configuration through the configured second contract method number, completes the data uplink operation, checks the callback information corresponding to the contract method, acquires the information for accessing the first service system, sends the result to the first service system, and finishes the transaction.
In one aspect, the callback information includes three key elements: the number of the callback cross-link channel, the number of the service contract method provided by the callback cross-link channel and the callback service channel information are mutually exclusive managed in the settings of the callback cross-link channel and the callback service channel, and the callback to the service channel represents the end of the transaction. Wherein the callback information comprises the key element.
In one aspect, a chain crossing system is provided, comprising: the system comprises a first business system, a first chain-crossing system, a second business system and a second chain-crossing system, wherein the first chain-crossing system comprises: the system comprises a first cross-link router, a first cross-link management module, a first cross-link gateway and a first block chain; the second cross-chain system comprises: the system comprises a first cross-link route, a first cross-link management module, a first cross-link gateway and a first block chain;
the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, authorization is carried out if the first authority verification is passed, authority access is carried out according to a verification result, and information is refused to be returned if the first authority verification is not passed;
after the first permission verification is passed, the second cross-link system distributes a second cross-link channel number to the first cross-link system, meanwhile, the second cross-link system binds the second contract method number and the second cross-link channel number and feeds back the second contract method number and the second cross-link channel number to the first cross-link route, the first cross-link route carries out second permission verification on the bound second contract method number and the second cross-link channel number, and authorization is carried out if the second contract method number and the second cross-link channel number pass;
and the first cross-link system opens the authority, feeds back the acquired authorization passing information to the first service system, and allows the first service system to be butted.
In one aspect, a computer-readable storage medium is provided, in which a computer program is stored, which, when being executed by a processor, carries out the method steps of any of the above;
in one aspect, a channel authority control-based cross-link device is provided, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements any one of the method steps when executing the computer program.
Compared with the prior art, the method expands the traditional channel docking mode, defines service system interaction and cross-link interaction as different types of channel access, designs interaction specifications among different channels, authorizes access of all accessed systems, configures an accessible cross-link contract method, accesses the access channels according to authorization information, directly rejects if the access channels do not conform to authorization, and meets the requirement of safe docking of cross-link transaction; and the cross-link system is used for authority control and verification, and a service channel acquires a channel number and contract method information to ensure the safety and controllability of transaction. The invention can flexibly configure the channel by flexibly operating the authority control based on the cross-link system, the service system, the cross-link gateway and the cross-link route, maximally realizes the configurability of the cross-link transaction, and flexibly configuring under the condition of authority authentication is helpful to improve the development speed of the cross-link transaction.
Drawings
FIG. 1 is a schematic diagram of a cross-link structure based on channel authority control according to the present invention;
FIG. 2 is a flow chart of the present invention for implementing a cross-chain transaction based on channel authority control;
FIG. 3 is a flow chart of the present invention for implementing cross-chain asset transaction synchronization based on channel authority control.
Detailed Description
In order to clarify and clarify the technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings in the following embodiments of the present invention.
The invention expands the traditional channel docking mode, defines the interaction of a service system and a cross link as different types of channel access, designs the interaction specification among different channels, authorizes the access of all accessed systems, configures an accessible cross-link contract method, accesses the access channels according to authorization information, directly rejects if the access channels do not conform to authorization, thereby meeting the requirement of cross-link transaction safe docking; the channel authority control-based cross-chain transaction design realizes the configurability of the cross-chain transaction to the maximum extent, improves the speed of the cross-chain transaction, and meets the requirement of quick implementation of complex scenes.
As shown in fig. 1, a schematic diagram of a channel authority control-based cross-link structure of the present invention is shown, and a channel authority control-based cross-link method is implemented based on the schematic diagram shown in fig. 1, and includes the following specific implementation steps:
step 1: the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
step 2: the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
as shown in fig. 2, in the above scheme, after the first contract method number is bound to the service channel number, the method further includes: deriving a first service system access list through the first cross-link route, and providing the first service system access list for the first service system to be used for docking, wherein the access list comprises the first cross-link route address and a transaction list which is accessible to the first service system through the first cross-link route;
step 3: when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, and authority access is carried out according to a verification result;
in the above scheme, the specific implementation steps for performing the first permission check include:
s31: the second cross-link is accessed to the list by exporting the first service system, the configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, and the first cross-link is checked to comprise a first service channel number and a first contract method number transmitted by the first cross-link;
s32: and if the information is matched, the open authority control allows access, otherwise, the access is refused.
Step 4: after the first permission verification is passed, distributing a second cross-link channel number for the first cross-link system, binding a second contract method number and the first cross-link channel number, performing second permission verification on the bound second contract method number and the first cross-link channel number by the fed back first cross-link route, and authorizing if the first permission verification is passed;
and the second cross-chain management module is configured to interface the second cross-chain gateway mapping and the operable blockchain link and contract information to generate a second contract method number.
Further, the specific implementation step of the second permission check includes:
the second cross-link is accessed to the list by exporting the first service system, a configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, and the first cross-link channel number sent by the second cross-link and the second contract method number provided by the first cross-link channel number are checked;
and if the information is matched, the open authority control allows access, otherwise, the access is refused.
Step 5: and the first cross-chain system opens the authority, feeds the acquired authorization passing information back to the first service system, and allows the first service system to be in butt joint to perform cross-chain transaction to complete one cross-chain transaction.
In the above scheme, the cross-chain transaction is implemented based on the cross-chain method, as shown in fig. 3, the specific implementation steps include:
s51: after receiving a first service system request, a first cross-link management module acquires unique contract method configuration through a configured first contract method number, and checks callback information corresponding to the contract method, wherein the callback information comprises: the first cross-link route calls the first cross-link gateway according to the callback parameter and then accesses the second cross-link route;
s52: the second cross-link receives the first cross-link routing request, acquires the unique contract method configuration through the configured first contract method number, checks the callback configuration corresponding to the contract method, and asynchronously requests the first cross-link routing through the callback configuration of the contract method after the second cross-link performs the uplink operation;
s53: and the first cross-link router receives the second cross-link routing request, acquires the unique contract method configuration through the configured second contract method number, completes the data uplink operation, checks the callback information corresponding to the contract method, acquires the information for accessing the first service system, and sends the result to the first service system. Wherein the callback information comprises: the number of the recalled cross-chain channel, the number of the service contract method provided by the recalled cross-chain channel and the information of the recalled service channel.
The implementation of the invention also provides a channel authority control-based chain crossing system, which specifically comprises the following steps: the system comprises a first business system, a first chain-crossing system, a second business system and a second chain-crossing system, wherein the first chain-crossing system comprises: the system comprises a first cross-link router, a first cross-link management module, a first cross-link gateway and a first block chain; the second cross-chain system comprises: the system comprises a first cross-link route, a first cross-link management module, a first cross-link gateway and a first block chain; the method specifically comprises the following steps:
the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, and authority access is carried out according to a verification result;
after the first permission verification is passed, the second cross-link system distributes a second cross-link channel number to the first cross-link system, meanwhile, the second cross-link system binds the second contract method number and the second cross-link channel number and feeds back the second contract method number and the second cross-link channel number to the first cross-link route, the first cross-link route carries out second permission verification on the bound second contract method number and the second cross-link channel number, and authorization is carried out if the second contract method number and the second cross-link channel number pass;
and the first cross-link system opens the authority, feeds back the acquired authorization passing information to the first service system, and allows the first service system to be butted.
The number of modules and the processing scale described herein are intended to simplify the description of the invention. Applications, modifications and variations of the present invention to a predictive machine-based blockchain asset and contract processing system will be apparent to those skilled in the art.
Based on the same inventive concept, embodiments of the present application further provide a computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements any of the method steps described above; for the storage medium embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for the relevant points, refer to the partial description of the method embodiment.
Based on the same inventive concept, the present embodiment provides a channel authority control-based chain crossing device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements any one of the method steps when executing the computer program. For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments described above are presented to enable a person having ordinary skill in the art to make and use the invention. It is to be understood that the present invention is not limited to the application of the above-mentioned examples, and it is obvious to those skilled in the art that various modifications can be easily made to the above-mentioned examples, and those skilled in the art should make improvements and modifications to the present invention based on the disclosure of the present invention within the protection scope of the present invention.
Claims (10)
1. A channel authority control-based chain crossing method is characterized by comprising the following specific implementation steps:
the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, and authority access is carried out according to a verification result;
after the first permission verification is passed, distributing a second cross-link channel number for the first cross-link system, binding a second contract method number and the first cross-link channel number, performing second permission verification on the bound second contract method number and the first cross-link channel number by the fed back first cross-link route, and authorizing if the first permission verification is passed;
and the first cross-link system opens the authority, feeds the acquired authorization passing information back to the first service system, and allows the first service system to carry out cross-link transaction in a butt joint mode.
2. The channel authority control-based chain crossing method according to claim 1, after binding the first contract method number and the service channel number, further comprising: and deriving a first service system access list through the first cross-link route, and providing the access list for the first service system interface, wherein the access list comprises the first cross-link route address and a transaction list which is accessible to the first service system through the first cross-link route.
3. The channel authority control-based chain crossing method according to claim 1, wherein the first authority verification is performed by the following specific steps:
the second cross-link is accessed to the list by exporting the first service system, the configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, and the first cross-link is checked to comprise a first service channel number and a first contract method number transmitted by the first cross-link;
if the information matches, the open authority control allows access, or
Access is denied.
4. The channel authority control-based chain crossing method according to claim 1, wherein the specific generation step of the second contract method number comprises: the second cross-chain management module is configured to interface the second cross-chain gateway mapping and the operable blockchain link and the contract information to generate a second contract method number.
5. The channel authority control-based chain crossing method according to claim 1, wherein the specific implementation steps of the second authority check comprise:
the second cross-link is accessed to the list by exporting the first service system, a configuration table is inquired according to the exported parameters, callback information corresponding to the contract method is checked, and the first cross-link channel number sent by the second cross-link and the second contract method number provided by the first cross-link channel number are checked;
if the information matches, the open authority control allows access, or
Access is denied.
6. The channel authority control-based cross-chain method according to claim 1, wherein the cross-chain transaction is realized based on the cross-chain method, and the specific realization steps include:
after receiving a first service system request, a first cross-link management module acquires unique contract method configuration through a configured first contract method number, checks callback information corresponding to the contract method, and accesses a second cross-link route after a first cross-link gateway is called according to callback parameters by the first cross-link management module;
the second cross-link receives the first cross-link routing request, acquires the unique contract method configuration through the configured first contract method number, checks the callback configuration corresponding to the contract method, and asynchronously requests the first cross-link routing through the callback configuration of the contract method after the second cross-link performs the uplink operation;
and the first cross-link router receives the second cross-link routing request, acquires the unique contract method configuration through the configured second contract method number, completes the data uplink operation, checks the callback information corresponding to the contract method, acquires the information for accessing the first service system, and sends the result to the first service system.
7. The channel authority control-based chain crossing method according to claim 6, wherein the acquiring of the callback information of the unique contract method configuration by the first contract method number comprises: the first cross-link route calls the first cross-link gateway according to the callback parameter and then accesses the second cross-link route; the step of acquiring the callback information configured by the unique contract method by the second contract method number comprises the following steps: the number of the recalled cross-chain channel, the number of the service contract method provided by the recalled cross-chain channel and the information of the recalled service channel.
8. A channel authority control-based chain crossing system is characterized by comprising: the system comprises a first business system, a first chain-crossing system, a second business system and a second chain-crossing system, wherein the first chain-crossing system comprises: the system comprises a first cross-link router, a first cross-link management module, a first cross-link gateway and a first block chain; the second cross-chain system comprises: the system comprises a first cross-link route, a first cross-link management module, a first cross-link gateway and a first block chain;
the method comprises the steps that a first cross-link system obtains a docking application provided by a first service system, and a first cross-link management module generates a unique first service channel number for the first service system according to the docking requirement and binds a first service system public key;
the first cross-chain management module is configured to be in butt joint with a first cross-chain gateway mapping and an operable block chain link and contract information, generate a first contract method number, and bind the first contract method number with a first service channel number;
when the cross-chain system interaction is carried out, a first cross-chain system accesses a second cross-chain system, the first cross-chain system distributes a first cross-chain channel number for the second cross-chain system, a second cross-chain route carries out first authority verification on the bound first contract method number and the first service channel number, and authority access is carried out according to a verification result;
after the first permission verification is passed, the second cross-link system distributes a second cross-link channel number to the first cross-link system, meanwhile, the second cross-link system binds the second contract method number and the second cross-link channel number and feeds back the second contract method number and the second cross-link channel number to the first cross-link route, the first cross-link route carries out second permission verification on the bound second contract method number and the second cross-link channel number, and authorization is carried out if the second contract method number and the second cross-link channel number pass;
and the first cross-link system opens the authority, feeds back the acquired authorization passing information to the first service system, and allows the first service system to be butted.
9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method steps of any one of claims 1 to 7.
10. A channel rights control based chaining device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, wherein said processor when executing said computer program implements the method steps of any of claims 1 to 7.
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