CN113691500B - Cross-chain data access device and system supporting supervision - Google Patents
Cross-chain data access device and system supporting supervision Download PDFInfo
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Abstract
The application discloses a cross-chain data access device and system supporting supervision, comprising a first cross-chain gateway and a second cross-chain gateway. The first cross-link gateway is used for mutually converting the interface protocol of the connected alliance chains and the universal inter-chain communication protocol corresponding to the cross-link gateway bus so as to realize data access among all the alliance chains; the second cross-chain gateway is used for mutually converting the interface protocol of the connected supervisory system and the universal inter-chain communication protocol so as to realize that each supervisory system accesses and supervises the data of each alliance chain by means of the first cross-chain gateway. Therefore, under the establishment of the first cross-link gateway, the application can realize the data access among the alliance chains even if the alliance chains are based on different bottom technology platforms; under the establishment of the second cross-chain gateway, the first cross-chain gateway is matched with the second cross-chain gateway to realize that each monitoring system accesses and monitors data of each alliance chain, and timely discovers risks existing in the alliance chain, thereby being beneficial to the healthy development of the alliance chain.
Description
Technical Field
The application relates to the technical field of alliance chains, in particular to a cross-chain data access device and system supporting supervision.
Background
With the rapid development of alliance chain technology, the alliance chain is widely applied to various fields such as finance, law, medical treatment and the like. A federated chain refers to a blockchain that is commonly participated in management by several organizations or organizations, and the data in the federated chain nodes only allows the organizations or organizations within the system to read and send transactions.
Currently, the alliance chain has the following problems: 1) In the continuous development process of the alliance chains, a plurality of bottom technology platforms with different forms appear, but the communication protocols of the alliance chains based on different bottom technology platforms are different, so that the alliance chains are difficult to communicate, recognize, trust and visit. 2) While the application of the alliance chain is continuously and deeply expanded, a series of risk challenges are brought, but the current alliance chain supervision is lack of a supervision technical solution, so that a plurality of technical problems to be solved exist, and the healthy development of the alliance chain is not facilitated.
Therefore, how to provide a solution to the above technical problem is a problem that a person skilled in the art needs to solve at present.
Disclosure of Invention
The invention aims to provide a cross-chain data access device and system supporting supervision, which can realize data access among alliance chains even if the alliance chains are based on different bottom technology platforms under the establishment of a first cross-chain gateway; under the establishment of the second cross-chain gateway, the first cross-chain gateway is matched with the second cross-chain gateway to realize that each monitoring system accesses and monitors data of each alliance chain, and timely discovers risks existing in the alliance chain, thereby being beneficial to the healthy development of the alliance chain.
In order to solve the above technical problems, the present invention provides a cross-chain data access device supporting supervision, including:
the first cross-link gateway is connected with each alliance chain one by one; each first cross-link gateway is connected with the same cross-link gateway bus and is used for mutually converting the interface protocol of the connected alliance chains and the universal inter-chain communication protocol corresponding to the cross-link gateway bus so as to realize data access among the alliance chains;
the second cross-chain gateway is connected with each supervision system one by one; each second cross-chain gateway is connected to the cross-chain gateway bus and used for mutually converting an interface protocol of the connected supervision system and the universal inter-chain communication protocol so as to realize that each supervision system accesses and supervises data of each alliance chain by means of the first cross-chain gateway.
Preferably, the first and second cross-chain gateways each comprise:
a first communication module connected with the alliance chain or the supervision system, and the self communication protocol is compatible with the connected alliance chain or the supervision system;
the second communication module is connected with the cross-link gateway bus and is compatible with the cross-link gateway bus in self communication protocol;
The control module is respectively connected with the first communication module and the second communication module, and is used for determining an interface protocol of a alliance chain or a supervision system connected with the cross-chain gateway based on the received protocol selection instruction so as to perform the mutual conversion between the determined interface protocol and the universal inter-chain communication protocol, and realizing the data access between the alliance chains or the data access and supervision of the supervision system by means of the first communication module and the second communication module.
Preferably, the control module includes:
the storage module is used for storing a cross-chain resource database containing resource routing address information of each alliance chain;
the alliance chain resource database management module is connected with the storage module;
the alliance chain resource route synchronization module is respectively connected with the first communication module, the second communication module and the alliance chain resource database management module and is used for synchronizing resource route address information of all alliance chains in a system by means of the first communication module and the second communication module and updating the cross-chain resource database by means of the alliance chain resource database management module on the basis of the resource route address information of all the alliance chains;
The protocol conversion module is respectively connected with the first communication module, the second communication module and the alliance chain resource database management module, and is used for determining an interface protocol of an alliance chain or a supervision system connected with a cross-chain gateway based on a received protocol selection instruction so as to perform the mutual conversion between the determined interface protocol and the universal inter-chain communication protocol, inquiring resource routing address information of any alliance chain by means of the alliance chain resource database management module, and realizing data access between the alliance chains or data access and supervision of the supervision system by means of the first communication module and the second communication module based on the inquired resource routing address information.
Preferably, the protocol conversion module includes:
the protocol selection module is used for determining an interface protocol of a alliance chain or a supervision system connected with the cross-chain gateway based on the received protocol selection instruction;
the alliance chain protocol adaptation module is in one-to-one correspondence with the interface protocols of each alliance chain and is used for mutually converting the alliance chain interface protocol corresponding to the alliance chain protocol adaptation module and the universal inter-chain communication protocol;
the supervision system protocol adaptation module is in one-to-one correspondence with the interface protocols of the supervision systems and is used for mutually converting the corresponding supervision system interface protocol with the universal inter-chain communication protocol;
And the protocol conversion starting module is respectively connected with the protocol selection module, the alliance chain protocol adaptation module and the supervision system protocol adaptation module and is used for starting the corresponding alliance chain protocol adaptation module or the supervision system protocol adaptation module to enter protocol conversion work according to the interface protocol determined by the protocol selection module.
Preferably, the protocol conversion module further comprises:
the Merker proof verification module is used for confirming whether the transaction really occurs on the alliance chain and obtaining a transaction result when the cross-chain gateway initiates the transaction to the connected alliance chain.
Preferably, the control module further comprises:
and the upgrading module is respectively connected with the first communication module, the second communication module, the storage module, the alliance chain resource database management module, the alliance chain resource route synchronization module and the protocol conversion module and is used for carrying out firmware upgrading operation on the connected modules.
Preferably, the first communication module includes:
the first data receiving module is used for receiving the data transmitted by the connected alliance chain or the supervision system and transmitting the data to the control module for protocol conversion operation;
And the first data sending module is used for receiving the data after protocol conversion transmitted by the control module and transmitting the data to a connected alliance chain or a supervision system.
Preferably, the second communication module includes:
the second data receiving module is used for receiving the data transmitted by the cross-link gateway bus and transmitting the data to the control module for protocol conversion operation;
and the second data transmitting module is used for receiving the data after protocol conversion transmitted by the control module and transmitting the data out through the cross-link gateway bus.
Preferably, the first and second cross-chain gateways further comprise:
a protocol selection dial switch connected with the control module;
the control module is specifically configured to obtain a target dial value of the protocol selection dial switch, determine a target interface protocol corresponding to the target dial value according to a one-to-one correspondence between the dial value and the interface protocol, and determine the target interface protocol as an interface protocol of a alliance chain or a supervision system connected by a cross-chain gateway.
In order to solve the technical problem, the invention also provides a cross-chain data access system supporting supervision, which comprises a plurality of alliance chains, a plurality of supervision systems and any cross-chain data access device supporting supervision.
The application provides a cross-chain data access device supporting supervision, which comprises a first cross-chain gateway and a second cross-chain gateway, wherein the first cross-chain gateway is connected with each alliance chain one by one, and the second cross-chain gateway is connected with each supervision system one by one. Each first and second cross-link gateway accesses the same cross-link gateway bus. The first cross-link gateway is used for mutually converting the interface protocol of the connected alliance chains and the universal inter-chain communication protocol corresponding to the cross-link gateway bus so as to realize data access among all the alliance chains; the second cross-chain gateway is used for mutually converting the interface protocol of the connected supervisory system and the universal inter-chain communication protocol so as to realize that each supervisory system accesses and supervises the data of each alliance chain by means of the first cross-chain gateway. Therefore, under the establishment of the first cross-link gateway, the application can realize the data access among the alliance chains even if the alliance chains are based on different bottom technology platforms; under the establishment of the second cross-chain gateway, the first cross-chain gateway is matched with the second cross-chain gateway to realize that each monitoring system accesses and monitors data of each alliance chain, and timely discovers risks existing in the alliance chain, thereby being beneficial to the healthy development of the alliance chain.
The application also provides a cross-chain data access system supporting supervision, which has the same beneficial effects as the cross-chain data access device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a cross-link data access device supporting supervision according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first/second cross-link gateway according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a specific structure of a first/second cross-link gateway according to an embodiment of the present invention;
FIG. 4 is a flow chart of data access between federation chains provided by an embodiment of the present invention;
fig. 5 is a flowchart of data access between a supervisory system and a federation chain according to an embodiment of the present invention.
Detailed Description
The core of the invention is to provide a cross-chain data access device and system supporting supervision, under the establishment of a first cross-chain gateway, even if each alliance chain is based on different bottom technology platforms, the data access among the alliance chains can be realized; under the establishment of the second cross-chain gateway, the first cross-chain gateway is matched with the second cross-chain gateway to realize that each monitoring system accesses and monitors data of each alliance chain, and timely discovers risks existing in the alliance chain, thereby being beneficial to the healthy development of the alliance chain.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a cross-link data access device supporting supervision according to an embodiment of the present invention.
The cross-chain data access device supporting supervision comprises:
a first cross-link gateway 100 connected to each federation chain one by one; each first cross-link gateway 100 accesses the same cross-link gateway bus, and is used for mutually converting the interface protocol of the connected alliance chain and the universal inter-link communication protocol corresponding to the cross-link gateway bus so as to realize data access among all the alliance chains;
a second cross-chain gateway 200 connected one by one to each of the supervisory systems; each second cross-chain gateway 200 accesses a cross-chain gateway bus for translating interface protocols of connected supervisory systems and universal inter-chain communication protocols to each other to enable the supervisory systems to access and supervise data of the alliance chains by means of the first cross-chain gateway 100.
Specifically, the cross-link data access device of the present application includes a first cross-link gateway 100 and a second cross-link gateway 200, and the working principle thereof is as follows:
the first cross-link gateway 100 is connected with the federation chains (specifically, the service federation chains are instantiations of the blockchains in different application scenarios) in the system one by one (as shown in fig. 1, the first cross-link gateway a is connected with the federation chain a, the first cross-link gateway B is connected with the federation chain B … …, and the first cross-link gateway N is connected with the federation chain N), that is, the number of the first cross-link gateway 100 is the same as the number of the federation chains in the system; the second cross-chain gateway 200 is connected to the supervision systems one by one (as shown in fig. 1, the second cross-chain gateway 1 is connected to the supervision system 1, the second cross-chain gateway 2 is connected to the supervision system 2, the second cross-chain gateway M is connected to the supervision system M … …), that is, the number of the second cross-chain gateways 200 is the same as the number of the supervision systems. Each first cross-link gateway 100 and each second cross-link gateway 200 are connected to the same cross-link gateway bus, that is, a universal inter-link communication protocol is adopted between the cross-link gateways, so that the expandability is good and the networking is convenient.
Taking data transfer between federation chain a and federation chain B as an example: the federation chain a sends a first cross-chain access request to a first cross-chain gateway a. The first cross-link gateway A is used for receiving a first cross-link access request which is transmitted by the alliance chain A and is sent to the alliance chain B in advance, converting the first cross-link access request into a first universal cross-link access request supporting a universal inter-link communication protocol corresponding to a cross-link gateway bus, and transmitting the first universal cross-link access request to the first cross-link gateway B through the cross-link gateway bus. The first cross-link gateway B is configured to receive a first universal cross-link access request transmitted from the cross-link gateway bus, convert the first universal cross-link access request into a second cross-link access request (the content of the virtual request corresponding to the first cross-link access request is the same, but the supported protocol is different) supporting an interface protocol of the federation chain B, and transmit the second cross-link access request to the federation chain B. The coalition chain B returns the first data to the first cross-chain gateway B according to the second cross-chain access request. The first cross-link gateway B is used for receiving first data which is transmitted by the alliance chain B and is sent to the alliance chain A in advance, converting the first data into first general data supporting a general inter-chain communication protocol, and transmitting the first general data to the first cross-link gateway A through a cross-link gateway bus. The first cross-link gateway a is configured to receive the first general data transmitted from the cross-link gateway bus, convert the first general data into second data (the content of the essential data corresponding to the first data is the same, but the supported protocol is different) supporting an interface protocol of the federation link a, and transmit the second data to the federation link a, so as to enable the federation link a to access the data to the federation link B (the federation link B accesses the data to the federation link a in the same way, which is not described herein in detail). Therefore, under the establishment of the first cross-link gateway 100, even if the alliance chain A and the alliance chain B are based on different bottom technology platforms, the data access between the alliance chain A and the alliance chain B can be realized, and the problems of difficult intercommunication, difficult mutual recognition, difficult mutual trust and difficult mutual access of the cross-link data access are solved.
Taking the example of the supervisory system 1 accessing and supervising the data of the federation chain a: the second cross-link gateway 1 is configured to receive a first data access request sent by the supervisory system 1 and sent to the federation chain a, convert the first data access request into a first universal data access request supporting a universal inter-link communication protocol, and transmit the first universal data access request to the first cross-link gateway a via a cross-link gateway bus. The first cross-link gateway a is configured to receive a first general data access request transmitted from the cross-link gateway bus, convert the first general data access request into a second data access request supporting an interface protocol of the federation link a (the content of a substantive request corresponding to the first data access request is the same, but the supported protocol is different), and transmit the second data access request to the federation link a. The alliance chain A returns third data to the first cross-chain gateway A according to the second data access request. The first cross-link gateway a is configured to receive third data sent to the supervisory system 1 in advance and transmitted by the federation chain a, convert the third data into third universal data supporting a universal inter-link communication protocol, and transmit the third universal data to the second cross-link gateway 1 via a cross-link gateway bus. The second cross-link gateway 1 is configured to receive third universal data transmitted from the cross-link gateway bus, convert the third universal data into fourth data (the content of the essential data corresponding to the third data is the same, but the supported protocol is different) supporting the interface protocol of the supervisory system 1, and transmit the fourth data to the supervisory system 1, so as to enable the supervisory system 1 to access and supervise the data of the federation chain a, thereby timely discovering risks (such as illegal risks) existing in the federation chain and contributing to the healthy development of the federation chain.
The application provides a cross-chain data access device supporting supervision, which comprises a first cross-chain gateway and a second cross-chain gateway, wherein the first cross-chain gateway is connected with each alliance chain one by one, and the second cross-chain gateway is connected with each supervision system one by one. Each first and second cross-link gateway accesses the same cross-link gateway bus. The first cross-link gateway is used for mutually converting the interface protocol of the connected alliance chains and the universal inter-chain communication protocol corresponding to the cross-link gateway bus so as to realize data access among all the alliance chains; the second cross-chain gateway is used for mutually converting the interface protocol of the connected supervisory system and the universal inter-chain communication protocol so as to realize that each supervisory system accesses and supervises the data of each alliance chain by means of the first cross-chain gateway. Therefore, under the establishment of the first cross-link gateway, the application can realize the data access among the alliance chains even if the alliance chains are based on different bottom technology platforms; under the establishment of the second cross-chain gateway, the first cross-chain gateway is matched with the second cross-chain gateway to realize that each monitoring system accesses and monitors data of each alliance chain, and timely discovers risks existing in the alliance chain, thereby being beneficial to the healthy development of the alliance chain.
Based on the above embodiments:
Referring to fig. 2, fig. 2 is a schematic structural diagram of a first/second cross-link gateway according to an embodiment of the present application.
As an alternative embodiment, the first and second cross-chain gateways 100 and 200 each include:
a first communication module 101 connected to the chain of alliances or the supervisory system, and having a self communication protocol compatible with the connected chain of alliances or supervisory system;
a second communication module 102 connected to the cross-link gateway bus and having a communication protocol compatible with the cross-link gateway bus;
the control module 103 is respectively connected with the first communication module 101 and the second communication module 102, and is configured to determine, based on the received protocol selection instruction, an interface protocol of a federation chain or a supervisory system connected to the cross-chain gateway, so as to perform mutual conversion between the determined interface protocol and a universal inter-chain communication protocol, and implement data access between the federation chains or access and supervisory data of the supervisory systems by means of the first communication module 101 and the second communication module 102.
Specifically, the first cross-link gateway 100 and the second cross-link gateway 200 of the present application have the same structure, and both include a first communication module 101, a second communication module 102 and a control module 103, and the working principle is as follows:
For the first cross-chain gateway 100: the first communication module 101 is connected to a federation chain, and the communication protocol of the first communication module 101 is compatible with the interface protocol of the connected federation chain (including the case where the communication protocol of the first communication module 101 is the same as the interface protocol of the connected federation chain). The second communication module 102 is connected to the cross-chain gateway bus, and the communication protocol of the second communication module 102 is compatible with the interface protocol of the cross-chain gateway bus (including the case where the communication protocol of the second communication module 102 is the same as the interface protocol of the cross-chain gateway bus). The control module 103 is respectively connected with the first communication module 101 and the second communication module 102, the control module 103 is configured to receive a protocol selection instruction, determine an interface protocol (referred to as a first interface protocol) of a coalition chain connected with a cross-chain gateway where the control module is located based on the received protocol selection instruction, so as to perform mutual conversion between the first interface protocol and a universal inter-chain communication protocol, and implement data access between the coalition chains by means of the first communication module 101 and the second communication module 102.
For the second cross-chain gateway 200: the first communication module 101 is connected to a supervisory system and the communication protocol of the first communication module 101 is compatible with the interface protocol of the connected supervisory system (including the case where the communication protocol of the first communication module 101 is the same as the interface protocol of the connected supervisory system). The second communication module 102 is connected to the cross-chain gateway bus, and the communication protocol of the second communication module 102 is compatible with the interface protocol of the cross-chain gateway bus (including the case where the communication protocol of the second communication module 102 is the same as the interface protocol of the cross-chain gateway bus). The control module 103 is respectively connected with the first communication module 101 and the second communication module 102, the control module 103 is used for receiving a protocol selection instruction, determining an interface protocol (called a second interface protocol) of a supervisory system connected with a cross-chain gateway where the control module 103 is located based on the received protocol selection instruction, so as to perform mutual conversion between the second interface protocol and a universal inter-chain communication protocol, and accessing and supervising data of each alliance chain by each supervisory system by means of the first communication module 101 and the second communication module 102.
Referring to fig. 3, fig. 3 is a schematic diagram of a specific structure of a first/second cross-link gateway according to an embodiment of the present invention.
As an alternative embodiment, the control module 103 includes:
a storage module 1031, configured to store a cross-link resource database containing resource routing address information of each coalition link;
a federated chain resource database management module 1032 coupled to the storage module 1031;
the alliance chain resource route synchronization module 1033 is respectively connected with the first communication module 101, the second communication module 102 and the alliance chain resource database management module 1032, and is used for synchronizing resource route address information of all alliance chains in the system by means of the first communication module 101 and the second communication module 102, and updating a cross-chain resource database by means of the alliance chain resource database management module 1032 on the basis of the resource route address information of all alliance chains;
the protocol conversion module 1034, which is respectively connected to the first communication module 101, the second communication module 102 and the chain of alliance resource database management module 1032, is configured to determine, based on the received protocol selection instruction, an interface protocol of a chain of alliance or a supervisory system connected to the cross-chain gateway, so as to perform mutual conversion between the determined interface protocol and a universal inter-chain communication protocol, and query resource routing address information of any chain of alliance by means of the chain of alliance resource database management module 1032, so as to implement data access between the chains of alliance or access and supervision of data of each chain of alliance by means of the first communication module 101 and the second communication module 102 by means of the queried resource routing address information.
Specifically, the control module 103 of the present application includes a storage module 1031, a federation chain resource database management module 1032, a federation chain resource route synchronization module 1033, and a protocol conversion module 1034, and the working principle thereof is as follows:
the storage module 1031 is configured to store a cross-chain resource database, where the cross-chain resource database is configured to store resource routing address information of all alliance chains in the system. The federated chain resource database management module 1032 is configured to manage the cross-chain resource databases stored by the storage module 1031.
The federation chain resource route synchronization module 1033 is connected to the first communication module 101, the second communication module 102, and the federation chain resource database management module 1032, respectively. The federation chain resource route synchronization module 1033 is configured to synchronize resource route address information of all federation chains in the system by using the first communication module 101 and the second communication module 102, and update the cross-chain resource database by using the federation chain resource database management module 1032 based on the resource route address information of all the federation chains. Specifically, for the first cross-link gateway 100, the process of synchronizing resource routing address information of all the federation chains in the system by the federation chain resource routing synchronization module 1033 via the first communication module 101 and the second communication module 102 is divided into three cases: 1) In the power-on initialization process of the first cross-link gateway 100, the alliance chain resource route synchronization module 1033 traverses all resources of the connected alliance chain by means of the first communication module 101 so as to store all resource route address information corresponding to the connected alliance chain in a cross-link resource database, and informs other cross-link gateways in the network by means of the second communication module 102 to read the resource route address information, so that the resource route address information of all alliance chains is stored in the cross-link resource database of all the cross-link gateways in the network, namely, the resource route address information of all the alliance chains in the synchronization system is realized. 2) In the working process of the first cross-link gateway 100, the alliance chain resource route synchronization module 1033 periodically informs other cross-link gateways in the network by means of the second communication module 102 to read the resource route address information, that is, the resource route address information of all alliance chains in the periodic synchronization system is realized. 3) When a new resource is deployed in a federation chain, the federation chain notifies the first cross-chain gateway 100 to which the first cross-chain gateway 100 is connected, the first cross-chain gateway 100 updates and saves the resource routing address information of the newly deployed resource in a cross-chain resource database, and simultaneously notifies other cross-chain gateways in the network to read the resource routing address information by means of the second communication module 102, and timely synchronizes the resource routing address information of all the federation chains in the system.
The protocol conversion module 1034 is connected to the first communication module 101, the second communication module 102, and the alliance chain resource database management module 1032, respectively. For the first cross-chain gateway 100: the protocol conversion module 1034 is configured to receive the protocol selection instruction, determine an interface protocol (called a third interface protocol) of a federation chain connected to a cross-chain gateway where the protocol conversion module is located based on the received protocol selection instruction, so as to perform mutual conversion between the third interface protocol and a universal inter-chain communication protocol, and query resource routing address information of any federation chain by means of the federation chain resource database management module 1032, so as to implement data access between the federation chains by means of the first communication module 101 and the second communication module 102 based on the queried resource routing address information. For the second cross-chain gateway 200: the protocol conversion module 1034 is configured to receive the protocol selection instruction, determine an interface protocol (called a fourth interface protocol) of the supervisory system connected to the cross-link gateway where the protocol conversion module 1034 is located based on the received protocol selection instruction, so as to perform mutual conversion between the fourth interface protocol and the universal inter-link communication protocol, and query resource routing address information of any one of the alliance links by means of the alliance link resource database management module 1032, so as to implement access and supervision of data of each alliance link by each supervisory system by means of the first communication module 101 and the second communication module 102 based on the queried resource routing address information.
It should be noted that, the setting principle of the resource routing address information is as follows: resources on different federation chains are diverse and have intelligent contracts, assets, channels, data tables, etc., resources on a single federation chain can be located and accessed by contract addresses or names, and a higher layer of resource location protocol is required between different federation chains and between the federation chains and the supervisory system. In order to ensure that a user does not need to be concerned about which region, organization or machine room the resource is located in when accessing the alliance chain resource, and does not need to be concerned about the specific implementation of the alliance chain where the resource is located, the resource positioning and accessing can be realized only by providing the resource routing address information (resource address and related parameters). The application adopts a uniform resource addressing protocol to intelligently locate the required resources.
More specifically, the storage module 1031 of the present application may include a memory that may temporarily store the cross-chain resource database and a hard disk that may permanently store the cross-chain resource database.
As an alternative embodiment, the protocol conversion module 1034 includes:
the protocol selection module 1041 is configured to determine, based on the received protocol selection instruction, an interface protocol of a federation chain or a supervisory system connected to the cross-chain gateway;
The alliance chain protocol adapting module 1042 corresponding to the interface protocol of each alliance chain is used for mutually converting the alliance chain interface protocol corresponding to the alliance chain protocol and the universal inter-chain communication protocol;
the supervisory system protocol adaptation module 1043, which corresponds to the interface protocols of the supervisory systems one by one, is used for mutually converting the supervisory system interface protocol corresponding to the supervisory system protocol adaptation module and the universal inter-link communication protocol;
the protocol conversion starting module 1044, which is respectively connected with the protocol selection module 1041, the alliance chain protocol adaptation module 1042 and the supervision system protocol adaptation module 1043, is used for starting the corresponding alliance chain protocol adaptation module 1042 or the supervision system protocol adaptation module 1043 to enter the protocol conversion work according to the interface protocol determined by the protocol selection module 1041.
Specifically, the protocol conversion module 1034 of the present application includes a protocol selection module 1041, a alliance chain protocol adaptation module 1042, a supervisory system protocol adaptation module 1043, and a protocol conversion starting module 1044, and the working principle thereof is as follows:
the federation chain protocol adaptation modules 1042 are in one-to-one correspondence with the interface protocols of the federation chains supported by the cross-chain gateway, i.e. the number of the federation chain protocol adaptation modules 1042 is equal to the number of the federation chains supported by the cross-chain gateway. Taking the first interface protocol as an example, the alliance chain protocol adaptation module 1042 corresponding to the first interface protocol is used for mutually converting the first interface protocol and the universal chain communication protocol.
The supervision system protocol adaptation modules 1043 are in one-to-one correspondence with the interface protocols of the supervision systems supported by the cross-chain gateway, i.e. the number of supervision system protocol adaptation modules 1043 is equal to the number of supervision systems supported by the cross-chain gateway. Taking the second interface protocol as an example, the supervisory system protocol adaptation module 1043 corresponding to the second interface protocol is configured to mutually convert the second interface protocol and the universal inter-link communication protocol.
Based on this, for the first cross-chain gateway 100: the protocol selection module 1041 determines, based on the received protocol selection instruction, an interface protocol of a federation chain connected by the cross-chain gateway where the protocol selection module itself is located. The protocol conversion starting module 1044 is configured to start a corresponding alliance chain protocol adaptation module 1042 to enter a protocol conversion operation according to the interface protocol determined by the protocol selection module 1041, if the protocol selection module 1041 determines that the interface protocol of the alliance chain connected by the cross-chain gateway where the protocol selection module 1041 is located is the first interface protocol, the protocol conversion starting module 1044 starts the alliance chain protocol adaptation module 1042 for mutually converting the first interface protocol and the universal inter-chain communication protocol, so that the alliance chain protocol adaptation module 1042 enters the protocol conversion operation, thereby adapting to the connected alliance chain. For the second cross-chain gateway 200: the protocol selection module 1041 determines, based on the received protocol selection instruction, an interface protocol of the supervisory system connected with the cross-link gateway where the protocol selection module itself is located. The protocol conversion starting module 1044 is configured to start a corresponding supervisory system protocol adaptation module 1043 to perform protocol conversion according to the interface protocol determined by the protocol selection module 1041, if the protocol selection module 1041 determines that the interface protocol of the supervisory system connected by the cross-link gateway where the protocol selection module is located is the second interface protocol, the protocol conversion starting module 1044 starts the supervisory system protocol adaptation module 1043 that is configured to mutually convert the second interface protocol and the universal inter-link communication protocol, so that the supervisory system protocol adaptation module 1043 performs protocol conversion, thereby adapting to the connected supervisory system.
It can be seen that the first cross-chain gateway 100 can be adapted to different federation chains, and the second cross-chain gateway 200 can be adapted to different supervisory systems with better communication.
As an alternative embodiment, the protocol conversion module 1034 further includes:
the merck proof verification module 1045 is configured to, when the present cross-link gateway initiates a transaction to a connected coalition chain, confirm whether the transaction actually occurs on the coalition chain and obtain a transaction result.
Further, the protocol conversion module 1034 of the present application further includes a merck proof verification module 1045, which operates according to the following principle:
the merck proof verification module 1045 is configured to, when a cross-link gateway where the merck proof verification module itself is located initiates a transaction to a connected coalition chain, confirm whether the transaction actually occurs on the coalition chain and obtain a transaction result, so as to perform trusted verification of cross-link data access.
As an alternative embodiment, the control module 103 further comprises:
the upgrade module 1035, which is respectively connected to the first communication module 101, the second communication module 102, the storage module 1031, the alliance chain resource database management module 1032, the alliance chain resource route synchronization module 1033, and the protocol conversion module 1034, is configured to perform firmware upgrade operation on the connected modules.
Further, the control module 103 of the present application further includes an upgrade module 1035, which operates according to the following principles:
the upgrade module 1035 is configured to perform firmware upgrade operations on the first communication module 101, the second communication module 102, the storage module 1031, the alliance chain resource database management module 1032, the alliance chain resource route synchronization module 1033, and the protocol conversion module 1034, for example, when the cross-chain gateway needs to add an adaptation new alliance chain protocol or a supervision system protocol, or needs to correct an existing system defect, the upgrade module 1035 can upgrade the system to adapt to a new change.
As an alternative embodiment, the first communication module 101 includes:
a first data receiving module 1011, configured to receive data transmitted from the connected alliance chain or the supervisory system, and send the data to the control module 103 for protocol conversion operation;
the first data sending module 1012 is configured to receive the data after protocol conversion transmitted by the control module 103, and transmit the data to a connected alliance chain or a supervisory system.
This embodiment is described in detail in connection with the following embodiments, and the present application is not described in detail herein.
As an alternative embodiment, the second communication module 102 includes:
The second data receiving module 1021 is configured to receive data transmitted from the cross-link gateway bus, and send the data to the control module 103 for protocol conversion operation;
the second data sending module 1022 is configured to receive the data after protocol conversion transmitted by the control module 103, and send the data out through the cross-link gateway bus.
Specifically, the first communication module 101 of the present application includes a first data receiving module 1011 and a first data transmitting module 1012, and the second communication module 102 includes a second data receiving module 1021 and a second data transmitting module 1022, and the working principle thereof is as follows:
the first communication module 101 is responsible for connecting to a connected supervisory system or service alliance chain and the second communication module 102 is responsible for communication between cross-chain gateways. The first data receiving module 1011 is configured to receive data transmitted from the connected federation chain or the supervisory system and transmit the data to the control module 103 for protocol conversion operation. The control module 103 transmits the protocol-converted data to the second data transmission module 1022. The second data sending module 1022 is configured to receive the data after protocol conversion transmitted by the control module 103, and send the data out through the cross-link gateway bus. The second data receiving module 1021 is configured to receive data transmitted from the cross-link gateway bus, and send the data to the control module 103 for protocol conversion. The control module 103 transmits the protocol-converted data to the first data transmission module 1012. The first data sending module 1012 is configured to receive the data after protocol conversion transmitted by the control module 103, and transmit the data to a connected alliance chain or a supervisory system.
It should be noted that the first communication module 101 may be the same as or different from the second communication module 102, and the second communication modules 102 of the cross-chain gateway of the same network must be the same or compatible. The first communication module 101 and the second communication module 102 may select one of the following communication units: an RS232 (RS: serial communication) bus communication unit, an RS485 communication unit, an RS422 communication unit, a WIFI (wireless communication technology) communication unit, a GPRS (General packet radio service )/3G (third generation mobile communication technology)/4G (fourth generation mobile communication technology)/5G (fifth generation mobile communication technology) communication unit, an ethernet communication unit, an optical network communication unit, and a CAN (Controller Area Network ) bus communication unit, and the like. These communication units may be integrated on a motherboard of a computer, or may be extended by GPMC (General-Purpose Memory Controller, general memory controller)/PCI (Peripheral Component Interconnect, peripheral component interconnect standard)/PCIE (peripheral component interconnect express, high-speed serial computer expansion bus standard)/USB (Universal Serial Bus ) bus, or the like.
As an alternative embodiment, the first and second cross-chain gateways 100 and 200 further comprise:
a protocol selection dial switch connected to the control module 103;
the control module 103 is specifically configured to obtain a target dial value of the protocol selection dial switch, determine a target interface protocol corresponding to the target dial value according to a one-to-one correspondence between the dial value and the interface protocol, and determine the target interface protocol as an interface protocol of a federation chain or a supervisory system connected with the cross-chain gateway.
Further, the first and second cross-chain gateways 100 and 200 of the present application further include a protocol selection dial switch, and the working principle thereof is as follows:
the user can set the dial value of the protocol selection dial switch based on the specific interface protocol of the alliance chain or the supervision system of the cross-chain gateway connection where the protocol selection dial switch is located, if the interface protocol of the alliance chain or the supervision system of the cross-chain gateway connection where the protocol selection dial switch is located is the first interface protocol, the dial value of the protocol selection dial switch is set to be the dial value corresponding to the first interface protocol.
Based on this, the control module 103 is configured to obtain a target dial value of the protocol selection dial switch, and determine, according to a one-to-one correspondence between the dial value and an interface protocol, a target interface protocol corresponding to the target dial value, where the target interface protocol is an interface protocol of a alliance chain or a supervisory system connected by a cross-chain gateway where the control module 103 is located.
It should be noted that, the first and second cross-chain gateways 100 and 200 of the present application have the characteristics of plug and play, and it is very simple and convenient to access a new alliance chain and a supervision system. The functions of the alliance chain resource database management module 1032, the alliance chain resource route synchronization module 1033, the protocol conversion module 1034 and the upgrade module 1035 can be directly realized by programming of a CPU (central processing unit).
Referring to fig. 4, fig. 4 is a flowchart of data access between federation chains according to an embodiment of the present application.
Different service alliance chains need to visit each other, and intercommunication among service scenes is communicated. Thus, the business federation chain relies on a cross-chain solution to connect trust islands. The data access process between the alliance chains designed by the application is shown in fig. 4, and a user invokes a cross-chain access intelligent contract of the alliance chain A through a client to initiate a transaction; the first cross-link gateway A inquires the resource routing address information of the alliance link B so as to convert the request data into a universal inter-link communication protocol and send the universal inter-link communication protocol to the first cross-link gateway B; after the first cross-link gateway B verifies the user identity and the authority information, the transaction uplink is initiated, the transaction receipt is received, the merck evidence of the transaction and the receipt is obtained, and finally the merck evidence of the transaction receipt, the transaction and the receipt is sent to the first cross-link gateway A through a universal inter-link communication protocol; the first cross-chain gateway A verifies the merck proof of the transaction and receipt, then returns the transaction receipt to the alliance chain A, and finally returns the transaction receipt to the user through the client.
Referring to fig. 5, fig. 5 is a flowchart of data access between a supervisory system and a federation chain according to an embodiment of the present application.
In order to guarantee the healthy development of the alliance chain industry, government departments, industry associations and other organizations need to supervise the business alliance chain. The data access process between the supervision system and the alliance chain designed by the application is shown in fig. 5, a user invokes a data access interface of the supervision system 1 through a client to initiate a transaction, and the supervision system 1 initiates a transaction request to a second cross-chain gateway 1; the second cross-link gateway 1 inquires the resource routing address information of the alliance link A so as to convert the data into a universal inter-link communication protocol and send the universal inter-link communication protocol to the first cross-link gateway A; after the first cross-link gateway A verifies the user identity and authority information, the transaction uplink is initiated, the transaction receipt is received, the merck evidence of the transaction and the receipt is obtained, and finally the merck evidence of the transaction receipt, the transaction and the receipt is sent to the second cross-link gateway 1 through a universal inter-link communication protocol; the second cross-chain gateway 1 verifies the merck proof of the transaction and receipt, then returns the transaction receipt to the supervisory system 1, and finally returns to the user through the client.
Therefore, the cross-chain gateway transmits the merck proof of the transaction and the receipt in addition to the transaction and the receipt information, and the sender of the transaction uses the proof to perform the trusted verification of the cross-chain data access, so that the sender of the transaction can confirm that the transaction really occurs on the target alliance chain and obtain the result, and the authenticity and the credibility of the transaction and the receipt are ensured.
The application also provides a cross-chain data access system supporting supervision, which comprises a plurality of alliance chains, a plurality of supervision systems and any cross-chain data access device supporting supervision.
The description of the cross-link data access system provided by the present application refers to the embodiment of the cross-link data access device, and the description of the present application is omitted herein.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A cross-chain data access apparatus supporting supervision, comprising:
the first cross-link gateway is connected with each alliance chain one by one; each first cross-link gateway is connected with the same cross-link gateway bus and is used for mutually converting the interface protocol of the connected alliance chains and the universal inter-link communication protocol corresponding to the cross-link gateway bus so as to realize data access among the alliance chains, wherein the universal inter-link communication protocol is adopted among the cross-link gateways;
the second cross-chain gateway is connected with each supervision system one by one; each second cross-chain gateway is connected to the cross-chain gateway bus and used for mutually converting an interface protocol of the connected supervision system and the universal inter-chain communication protocol so as to realize that each supervision system accesses and supervises data of each alliance chain by means of the first cross-chain gateway;
Wherein the first and second cross-chain gateways each comprise:
a first communication module connected with the alliance chain or the supervision system, and the self communication protocol is compatible with the connected alliance chain or the supervision system;
the second communication module is connected with the cross-link gateway bus and is compatible with the cross-link gateway bus in self communication protocol;
the control module is respectively connected with the first communication module and the second communication module;
correspondingly, the control module comprises a storage module, a alliance chain resource database management module connected with the storage module, an alliance chain resource route synchronization module connected with the first communication module, the second communication module and the alliance chain resource database management module respectively, and a protocol conversion module connected with the first communication module, the second communication module and the alliance chain resource database management module respectively, wherein the alliance chain resource route synchronization module is used for synchronizing resource route address information of all alliance chains in a system by means of the first communication module and the second communication module, and updating a cross-chain resource database by means of the alliance chain resource database management module based on the resource route address information of all alliance chains;
Correspondingly, the protocol conversion module further comprises:
the Merker proof verification module is used for confirming whether the transaction actually occurs on the alliance chain and obtaining a transaction result when the cross-chain gateway initiates the transaction to the connected alliance chain;
wherein the transaction process between the alliance chains comprises:
invoking a cross-link access intelligent contract of a first alliance chain through a client of the supervision system, and initiating a transaction to a first cross-link gateway of the first alliance chain so as to facilitate the first cross-link gateway of the first alliance chain to inquire resource routing address information of a second alliance chain;
transmitting the transaction to a first cross-link gateway of the second alliance chain through the universal inter-chain communication protocol so as to facilitate the first cross-link gateway of the second alliance chain to verify user identity and authority information and initiate transaction uplink to the second alliance chain;
the second alliance chain obtains a corresponding transaction receipt according to the transaction, and sends the corresponding transaction receipt to a first cross-chain gateway of the second alliance chain so that the first cross-chain gateway of the second alliance chain can acquire the transaction and the merck certificate corresponding to the second alliance chain;
the first cross-chain gateway of the first coalition chain receives and validates the transaction receipt, the transaction, and the merck proof, and sends the transaction receipt to a user through a client of the supervisory system to complete the transaction.
2. The supervisory-supported cross-chain data access device according to claim 1, wherein the control module is configured to determine, based on a received protocol selection instruction, an interface protocol of a federation chain or a supervisory system to which the cross-chain gateway is connected, so as to perform a mutual conversion between the determined interface protocol and the universal inter-chain communication protocol, and implement, by means of the first communication module and the second communication module, data access between the federation chains or access and supervision of data of the federation chains by the supervisory systems.
3. The supervisory-supported cross-chain data access device of claim 2,
the protocol conversion module is used for determining an interface protocol of a alliance chain or a supervision system connected with a cross-chain gateway based on a received protocol selection instruction so as to perform mutual conversion between the determined interface protocol and the universal inter-chain communication protocol, inquiring resource routing address information of any alliance chain by means of the alliance chain resource database management module so as to realize data access between the alliance chains or data access and supervision of the supervision systems by means of the first communication module and the second communication module based on the inquired resource routing address information.
4. The supervisory-enabled cross-chain data access device of claim 3, wherein the protocol conversion module comprises:
the protocol selection module is used for determining an interface protocol of a alliance chain or a supervision system connected with the cross-chain gateway based on the received protocol selection instruction;
the alliance chain protocol adaptation module is in one-to-one correspondence with the interface protocols of each alliance chain and is used for mutually converting the alliance chain interface protocol corresponding to the alliance chain protocol adaptation module and the universal inter-chain communication protocol;
the supervision system protocol adaptation module is in one-to-one correspondence with the interface protocols of the supervision systems and is used for mutually converting the corresponding supervision system interface protocol with the universal inter-chain communication protocol;
and the protocol conversion starting module is respectively connected with the protocol selection module, the alliance chain protocol adaptation module and the supervision system protocol adaptation module and is used for starting the corresponding alliance chain protocol adaptation module or the supervision system protocol adaptation module to enter protocol conversion work according to the interface protocol determined by the protocol selection module.
5. The supervisory-enabled cross-chain data access device of claim 3, wherein the control module further comprises:
And the upgrading module is respectively connected with the first communication module, the second communication module, the storage module, the alliance chain resource database management module, the alliance chain resource route synchronization module and the protocol conversion module and is used for carrying out firmware upgrading operation on the connected modules.
6. The supervision-supporting cross-chain data access apparatus of any one of claims 1-5, wherein the first communication module comprises:
the first data receiving module is used for receiving the data transmitted by the connected alliance chain or the supervision system and transmitting the data to the control module for protocol conversion operation;
and the first data sending module is used for receiving the data after protocol conversion transmitted by the control module and transmitting the data to a connected alliance chain or a supervision system.
7. The supervision-supporting cross-chain data access apparatus of any one of claims 1-5, wherein the second communication module comprises:
the second data receiving module is used for receiving the data transmitted by the cross-link gateway bus and transmitting the data to the control module for protocol conversion operation;
and the second data transmitting module is used for receiving the data after protocol conversion transmitted by the control module and transmitting the data out through the cross-link gateway bus.
8. The policing-enabled cross-chain data access apparatus of any of claims 1-5, wherein the first cross-chain gateway and the second cross-chain gateway further comprise:
a protocol selection dial switch connected with the control module;
the control module is specifically configured to obtain a target dial value of the protocol selection dial switch, determine a target interface protocol corresponding to the target dial value according to a one-to-one correspondence between the dial value and the interface protocol, and determine the target interface protocol as an interface protocol of a alliance chain or a supervision system connected by a cross-chain gateway.
9. A supervisory-enabled cross-chain data access system comprising a plurality of federation chains, a plurality of supervisory systems, and a supervisory-enabled cross-chain data access apparatus as claimed in any one of claims 1 to 8.
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