CN109088881B - Shared chain platform for realizing cross-platform data exchange and data exchange method - Google Patents
Shared chain platform for realizing cross-platform data exchange and data exchange method Download PDFInfo
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Abstract
The invention discloses a shared chain platform for realizing cross-platform data exchange and a data exchange method, wherein the platform comprises a record book, a certificate authority CA, an external chain platform adapter interface, a transaction sequencing module, a plurality of working nodes and a consensus mechanism module. The shared chain platform and the data exchange method reduce the development difficulty of the task of transmitting data across the block chain platforms, and meanwhile, the transmitted data always circulate on the block chain platforms, so that the safety in data circulation is ensured.
Description
Technical Field
The invention relates to the field of data exchange of a decentralized block chain platform, in particular to a shared chain platform and a data exchange method for realizing cross-platform data exchange.
Background
A blockchain is a system that operates in a P2P network to solve trust problems. The data is separated from the owner through decentralization, the privacy of the user is protected, and the trust mechanism of the original centralized service according to an authority is separated. Blockchains solve the trust problem on decentralized networks by creating applications through the use of a range of techniques, such as cryptography and consensus algorithms. The block chain technology is rapidly developed from the initial 'digital currency' to the 2.0 stage 'intelligent contract' and the future global connectivity. A series of new ideas brought by the block chain technology provide innovation sources and power for social development in the future.
Most of the existing commercial companies related to block chain technology provide a decentralized and trusted service based on the alliance chain. The current business is separated on a block chain platform of each company, so that the business data is difficult to be fully shared, and the value of the data is deeply dug.
The existing blockchain platform stores service data of each company in an isolated island manner, realizes a general cross-region platform and realizes service expansion, and most directly is the service data accessed to a blockchain platform in another region. On the upper layer service level, the data stored on each block chain platform can be accessed through middle layer software and collected to the upper layer application, so that the service function is realized. However, the data of each platform is pulled to the middle layer and collected, so that a block chain which is a special platform for solving the trust problem is eliminated, and when the data is excessive and is separated from the block chain platform, the safety of the data is not guaranteed. For example, once a personal information file recorded on a blockchain crosses a blockchain platform and data flows out of the blockchain, the original trust level is difficult to reach, and even the convenience level of the authentication service is reduced. Therefore, it is a necessary technology to implement service data intercommunication across each blockchain platform.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a shared chain platform and a data exchange method for realizing cross-platform data exchange, which ensure that data circulation is always on a block chain platform, each data is connected in an isolated island manner, and data does not leave a block chain, thereby ensuring the sharing and safety of data access.
The purpose of the invention is realized by the following technical scheme:
a shared chain platform for realizing cross-platform data exchange is characterized by comprising a record book, a Certificate Authority (CA), an external chain platform adapter interface, a transaction sequencing module, a plurality of working nodes and a consensus mechanism module;
the record account book is used for recording the transaction information of each working node, packing the transaction information into blocks, calculating a hash value and linking the hash value to a sharing chain;
the CA issues a certificate for the accessed external link platform, records the identity information of both transaction parties before data exchange and maintains the effective period of authentication information;
the external link platform adapter interface is butted with the external link platform adapter and is used for compiling the adapter according to the interface before the external link platform is connected to the shared link platform so as to complete the conversion of the external link platform private protocol and the shared link platform public protocol and the data control which can be defined by a part of the external link platform;
the transaction sequencing module is used for sequencing requests accessed to an external chain platform of the shared chain platform according to a predefined strategy, and then distributing the requests to each working node according to a weighted random algorithm to realize load balance on the working nodes;
the working nodes run a plurality of adapters, the distributed external link platform adapter dynamically binds one working node, data transmission is completed on the working node after data request authentication, and meanwhile, the working node supports transverse expansion and improves the service carrying capacity of the shared link;
the consensus mechanism module completes the verification and confirmation of the transaction through the voting of the special nodes, and selects a proper consensus algorithm according to different service requirements of the sharing chain.
Furthermore, the predefined strategy of the transaction sequencing module considers the transmission speed of the network, the load of the working node and the service weight of the two transaction parties accessing the shared chain platform.
Further, the consensus mechanism module uses a consensus algorithm with higher security during registration, and uses a consensus algorithm with better transmission performance in transmission.
A data exchange method based on the shared chain platform of claim 1, the method comprising the steps of:
s1: before the external link platform is connected to the shared link platform, firstly, an adapter is compiled according to an external link platform adapter interface of the shared link platform, so that the conversion of an external link platform private protocol and a shared link platform public protocol is completed, and part of external link platforms can perform self-defined data control;
s2: the method comprises the steps that an external link platform registers to a shared link platform, registered information comprises shared service information and a compiled adapter, and a certificate authority CA of the shared link platform issues an identity certificate after successful access authentication of the external link platform; if the authentication is unsuccessful, refusing the registration access;
s3: the external link platform initiates data requests to other external link platforms to the sharing link platform, confirms whether the sharing service ID of the other side exists through the consensus mechanism module, confirms whether the initiator has access authority to the sharing service, and sends the service request to the other external link platform and the self certificate to the transaction sequencing module after confirming that the service exists and the initiator has the access authority;
s4: the transaction sequencing module completes transaction sequencing according to a predefined strategy, distributes adapters of both transaction parties to one working node respectively, and completes data transmission between the two working nodes; during data transmission, the adapter completes data conversion of a private protocol and a shared link public protocol of an external link platform, and completes data transmission work among the adapters according to the shared link public protocol;
s5: and when the transmission is finished, the adapter of the external chain platform which initiates the data request sends a data transmission completion message to the shared chain.
The invention has the following beneficial effects:
(1) the shared chain platform of the invention does not need to know the protocol and the interface on each block chain platform for data transmission, and only needs to compile an external chain platform adapter according to the interface of the shared chain platform to complete the data exchange between the platform and the shared chain platform, thereby obviously reducing the development difficulty of cross-platform data exchange of the external chain platform;
(2) the shared chain platform provides an adapter mechanism, after a data request is confirmed, a transmission task is directly carried out among the adapters, network transmission among the adapter nodes does not affect the work of other modules of the shared chain platform, the adapters run on the working nodes of the shared chain, the transmission process does not depart from a block chain network, and the safety in data circulation is guaranteed while the high speed of cross-platform data exchange is guaranteed;
(3) the shared chain platform takes the number of the adapters running on the working nodes as weight, adopts a weighted random distribution algorithm, distributes the adapters and dynamically binds the working nodes, and can effectively ensure the service processing capacity of the shared chain platform.
Drawings
FIG. 1 is a diagram of a shared chain platform architecture;
FIG. 2 is a cross-platform data interaction flow diagram;
FIG. 3 is a schematic diagram of inter-adapter data transfer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the present invention will become more apparent, and the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention ensures that the circulation of the data is still kept on the block chain platform by establishing a shared block chain platform for controlling the circulation of the data of each block chain, connects each data island, and ensures the sharing and the safety of data access without leaving the block chain. The service data access authority and the data address of each platform are stored in the sharing chain, and when a data request occurs, action examination is realized through the control information, and data circulation is completed. The shared chain is maintained by each block chain platform participating in registration, each platform holds a certain amount of data nodes according to business relations, and the chain is a special alliance chain. The specific technical scheme is as follows:
a shared chain platform for realizing cross-platform data exchange is disclosed, and the shared chain platform is shown in figure 1 and comprises a record book, a Certificate Authority (CA), an external chain platform adapter interface, a transaction sequencing module, a plurality of working nodes and a consensus mechanism module;
the record account book is used for recording the transaction information of each working node, packing the transaction information into blocks, calculating a hash value and linking the hash value to a sharing chain;
the CA issues a certificate for the accessed external link platform, records the identity information of both transaction parties before data exchange and maintains the effective period of authentication information;
the external link platform adapter interface is butted with the external link platform adapter and is used for compiling the adapter according to the interface before the external link platform is connected to the shared link platform so as to complete the conversion of the external link platform private protocol and the shared link platform public protocol and the data control which can be defined by a part of the external link platform;
the transaction sequencing module is used for sequencing requests accessed to an external chain platform of the shared chain platform according to a predefined strategy, and then distributing the requests to each working node according to a weighted random algorithm to realize load balance on the working nodes;
the working nodes run a plurality of adapters, the distributed external link platform adapter dynamically binds one working node, data transmission is completed on the working node after data request authentication, and meanwhile, the working node supports transverse expansion and improves the service carrying capacity of the shared link;
the consensus mechanism module completes the verification and confirmation of the transaction through the voting of the special nodes, and selects a proper consensus algorithm according to different service requirements of the sharing chain. Preferably, the consensus mechanism module uses a consensus algorithm with higher security during registration, and uses a consensus algorithm with better transmission performance in transmission.
Preferably, the predefined policy of the transaction sequencing module considers the transmission speed of the network, the load of the working node, and the service weight of the two transaction parties accessing the shared chain platform.
A data exchange method based on the shared chain platform of claim 1, as shown in fig. 2, comprising the following steps:
s1, before an external link platform is connected to a shared link platform, firstly, compiling an adapter according to an external link platform adapter interface of the shared link platform to complete conversion of an external link platform private protocol and a shared link platform public protocol and data control of part of the external link platform which can be customized;
s2: the method comprises the steps that an external link platform registers to a shared link platform, registered information comprises shared service information and a compiled adapter, and a certificate authority CA of the shared link platform issues an identity certificate after successful access authentication of the external link platform; if the authentication is unsuccessful, refusing the registration access;
s3: the external link platform initiates data requests to other external link platforms to the sharing link platform, confirms whether the sharing service ID of the other side exists through the consensus mechanism module, confirms whether the initiator has access authority to the sharing service, and sends the service request to the other external link platform and the self certificate to the transaction sequencing module after confirming that the service exists and the initiator has the access authority;
s4: the transaction sequencing module completes transaction sequencing according to a predefined strategy, distributes adapters of both transaction parties to one working node respectively, and completes data transmission between the two working nodes; during data transmission, the adapter completes data conversion of an external link platform private protocol and a shared link platform public protocol, and completes data transmission work among the adapters according to the shared link public protocol, and the data transmission process among the adapters is shown in fig. 3;
s5: and when the transmission is finished, the adapter of the external chain platform which initiates the data request sends a data transmission completion message to the shared chain.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes in the form and details of the embodiments may be made and equivalents may be substituted for elements thereof. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (4)
1. A shared chain platform for realizing cross-platform data exchange is characterized by comprising a record book, a Certificate Authority (CA), an external chain platform adapter interface, a transaction sequencing module, a plurality of working nodes and a consensus mechanism module;
the record account book is used for recording the transaction information of each working node, packing the transaction information into blocks, calculating a hash value and linking the hash value to a sharing chain;
the CA issues a certificate for the accessed external link platform, records the identity information of both transaction parties before data exchange and maintains the effective period of authentication information;
the external link platform adapter interface is butted with the external link platform adapter and is used for compiling the adapter according to the interface before the external link platform is connected to the shared link platform so as to complete the conversion of the external link platform private protocol and the shared link platform public protocol and the data control which can be defined by a part of the external link platform;
the transaction sequencing module is used for sequencing requests accessed to an external chain platform of the shared chain platform according to a predefined strategy, and then distributing the requests to each working node according to a weighted random algorithm to realize load balance on the working nodes;
the working nodes run a plurality of adapters, the distributed external link platform adapter dynamically binds one working node, data transmission is completed on the working node after data request authentication, and meanwhile, the working node supports transverse expansion and improves the service carrying capacity of the shared link;
the consensus mechanism module completes the verification and confirmation of the transaction through the voting of the special nodes, and selects a proper consensus algorithm according to different service requirements of the sharing chain.
2. The platform of claim 1, wherein the predefined policy of the transaction ranking module considers the transmission speed of the network, the load of the working nodes, and the service weight of the transaction parties accessing the platform of the shared chain.
3. The shared chain platform for implementing cross-platform data exchange according to claim 1, wherein the consensus mechanism module uses a higher security consensus algorithm during registration, and uses a shorter time-consuming consensus algorithm during transmission.
4. A data exchange method based on the shared chain platform of claim 1, the method comprising the steps of:
s1: before the external link platform is connected to the shared link platform, firstly, an adapter is compiled according to an external link platform adapter interface of the shared link platform, so that the conversion of an external link platform private protocol and a shared link platform public protocol is completed, and part of external link platforms can perform self-defined data control;
s2: the method comprises the steps that an external link platform registers to a shared link platform, registered information comprises shared service information and a compiled adapter, and a certificate authority CA of the shared link platform issues an identity certificate after successful access authentication of the external link platform; if the authentication is unsuccessful, refusing the registration access;
s3: the external link platform initiates data requests to other external link platforms to the sharing link platform, confirms whether the sharing service ID of the other side exists through the consensus mechanism module, confirms whether the initiator has access authority to the sharing service, and sends the service request to the other external link platform and the self certificate to the transaction sequencing module after confirming that the service exists and the initiator has the access authority;
s4: the transaction sequencing module completes transaction sequencing according to a predefined strategy, distributes adapters of both transaction parties to one working node respectively, and completes data transmission between the two working nodes; during data transmission, the adapter completes data conversion of an external link platform private protocol and a shared link platform public protocol, and completes data transmission work among the adapters according to the shared link platform public protocol;
s5: and when the transmission is finished, the adapter of the external chain platform which initiates the data request sends a data transmission completion message to the shared chain.
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| CN109711842B (en) * | 2018-12-29 | 2021-04-09 | 西安纸贵互联网科技有限公司 | Account book accounting method of block chain network with regularly converged parallel chains |
| CN109842620B (en) * | 2019-01-21 | 2021-10-19 | 中国联合网络通信集团有限公司 | Service publishing method and device |
| CN111125077B (en) * | 2019-12-18 | 2022-06-14 | 江苏荣泽信息科技股份有限公司 | Cross-regional alarm control platform based on block chain |
| CN111200641B (en) * | 2019-12-25 | 2022-06-21 | 深圳供电局有限公司 | Data cross-chain sharing method and system, computer equipment and storage medium |
| CN112214328B (en) * | 2020-10-23 | 2023-07-21 | 中国科学院计算技术研究所 | Load balancing method for transaction processing in isomorphic multiple chains |
| CN112506882B (en) * | 2020-12-03 | 2022-09-20 | 浪潮云信息技术股份公司 | Mechanism for solving trust problem in data sharing process based on block chain |
| CN112751662B (en) * | 2020-12-29 | 2022-10-25 | 山西特信环宇信息技术有限公司 | Shared chain of cone block chain |
| CN114338770B (en) * | 2021-12-27 | 2024-05-24 | 杭州趣链科技有限公司 | Cross-blockchain data processing method and device, storage medium and terminal equipment |
| CN114785804B (en) * | 2022-04-29 | 2024-03-29 | 蚂蚁区块链科技(上海)有限公司 | System and method for cross-blockchain interactions |
| CN115688065A (en) * | 2022-09-16 | 2023-02-03 | 周群 | Big data-based information management platform |
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