CN111083223A - Block chain interconnection system for asset securitization processing sub-platform and interconnection data communication method thereof - Google Patents
Block chain interconnection system for asset securitization processing sub-platform and interconnection data communication method thereof Download PDFInfo
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- CN111083223A CN111083223A CN201911306054.XA CN201911306054A CN111083223A CN 111083223 A CN111083223 A CN 111083223A CN 201911306054 A CN201911306054 A CN 201911306054A CN 111083223 A CN111083223 A CN 111083223A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Abstract
The invention relates to a block chain interconnection system for an asset securitization processing sub-platform and an interconnection data communication method thereof, which overcome the defect of great hidden danger in information privacy safety in the prior art. The invention comprises a plurality of block chain prepositive modules, wherein the block chain prepositive modules are used for the interconnection communication between an asset securitization service system and a block chain system, one end of each block chain prepositive module is connected with an ABS service system, and the other end of each block chain prepositive module is connected with a fabric node of the block chain system. According to the invention, through the design of the block chain front module, the data intercommunication between the asset securitization processing sub-platform and the block chain system is realized, and the direct chain linking processing of the asset securitization processing sub-platform is avoided; meanwhile, through the uplink processing of the modification information such as the uplink file storage path, the abstract information and the like, the operation of the block chain technology is disclosed and transparent, and the security of the original data file and the privacy of the core data are also ensured.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a block chain interconnection system for an asset securitization processing sub-platform and an interconnection data communication method thereof.
Background
Asset securitization (ABS) refers to the process of credit upgrading, through structured design, assets that are less fluid but have the expected steady cash flow, selling in securities, obtaining financing and improving asset liquidity. The ABS system relates to data operations such as data analysis and data sharing of multiple organizations, such as an asset securitization (ABS) processing sub-platform corresponding to an issuer, a bank, an investor, a rating organization, etc., and a plurality of ABS subsystems are not interconnected and present a typical centralized data management manner (centralized network system).
In the technical background of financial security, transparency requirements and block chains, although some techniques are proposed, data sources, data analysis and the like of the ABS are presented in the form of a block chain (private chain) so as to achieve the purpose of public transparency by using the technical advantages of the block chain. However, from the perspective of financial security, the ABS subsystem has more related private information and more related nodes, and after the ABS subsystem is uplink-processed, public information and private information are leaked, and especially at the current stage of exploration of block chain application, the loss of related laws and regulations also generates a disaster of leaking private data.
Therefore, how to design a safe, effective and open interconnection system structure by using the area link technology according to the characteristics of the ABS subsystem has become a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the defect of great hidden danger of information privacy security in the prior art, and provides a block chain interconnection system for an asset securitization processing sub-platform and an interconnection data communication method thereof to solve the problems.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a block chain interconnection system for an asset securitization processing sub-platform comprises a plurality of asset securitization processing sub-platforms and a block chain system, wherein the asset securitization processing sub-platform comprises an ABS (anti-lock braking system) business system and a WEB front-end system, the ABS business system and the WEB front-end system are in data interconnection, the block chain system comprises fabric nodes arranged in a cloud or a safety environment of each participant, the fabric nodes operate in a docker mode,
the system also comprises a plurality of block chain prepositive modules, wherein the block chain prepositive modules are used for the interconnection communication between the asset securitization service system and the block chain system, one end of each block chain prepositive module is connected with the ABS service system, and the other end of each block chain prepositive module is connected with the fabric node of the block chain system.
The fabric nodes are divided into fabric sequencing nodes and fabric endorsement nodes; the fabric sequencing node is responsible for collecting transactions and packaging to generate blocks, and the consensus of the blocks is carried out by using a kafka + zookeeper mode; and the endorsement node endorses the transaction validity, performs secondary verification on the newly generated block, and provides an operating environment of an intelligent contract to realize associated services.
An interconnected data communication method for a block chain interconnection system of an asset securitization processing sub-platform comprises the following steps:
the asset securitization processing sub-platform and the block chain system are in data interconnection: the asset securitization processing sub-platform sends out a connection request, the ABS service system provides a data uplink request for the block chain prepositive module, and data interconnection is established with the block chain system through the block chain prepositive module;
processing of a block chain front module: the block chain front-end module encapsulates data transmitted by the ABS service system;
the block chain front module and the fabric node of the block chain system perform data transmission: the block chain pre-module carries out uplink processing on the block chain system.
The data interconnection between the asset securitization processing sub-platform and the block chain system comprises the following steps:
setting an ABS service system of the asset securitization processing sub-platform to interact with a block chain front-end module through an HTTP (hyper text transport protocol), and carrying data by using a json format;
the ABS business system acquires an uplink request provided by a WEB front-end system;
the ABS service system sends an asynchronous request to the block chain front-end module, and informs the block chain front-end module of communication connection through the asynchronous request;
the ABS service system sends a synchronization request to the blockchain preposition module, the blockchain preposition module sends an access request to the fabric node of the blockchain system, and after the fabric node of the blockchain system returns a message, the blockchain preposition module returns synchronization request information to the ABS service system to determine access connection between the ABS service system and the blockchain preposition module.
The processing of the block chain front module comprises the following steps:
the ABS service system extracts a storage path and abstract information corresponding to byte stream data of a file to be uplinked, and sends the information to a block chain front-end module;
the block chain pre-module encapsulates a storage path and summary information corresponding to byte stream data of a file to be uplinked into a Proposal message;
the block chain preposition module sends the Proposal message to a fabric endorsement node in the block chain system and requests the fabric endorsement node to endorse;
the fabric endorsement node returns to the block chain preposition module after completing the endorsement, and the block chain preposition module encapsulates the Proposal message into a Transaction (TX) message.
The data transmission between the blockchain front module and the fabric node of the blockchain system comprises the following steps:
the block chain front module sends a Transaction (TX) message to a fabric sequencing node in a block chain system to request uplink;
the fabric sequencing node packs the Transaction (TX) message into a chain: the fabric sequencing node asynchronously generates a block at the bottom layer of the local chain system, and the block is filled with Transaction (TX) messages according to time sequence; after filling, forming shared data by the block address information, and sending the shared data to the block chain front-end module;
and the block chain front-end module finishes uplink processing after receiving the shared data and sends the shared data to the ABS service system through a message queue.
Further comprising the step of obtaining the data on the chain: the asset securitization processing sub-platform downloads the on-chain data from the block chain system; which comprises the following steps:
the asset securitization processing sub-platform is connected to the block chain system through a block chain front-end module;
analyzing shared data by a block chain front-end module corresponding to the asset securitization processing sub-platform, finding filling information in a block, and calling a Transaction (TX) message during filling from a block chain system according to the filling information;
the block chain front-end module analyzes the proxy message from the Transaction (TX) message, acquires a storage path and summary information corresponding to byte stream data of the uplink file, and performs data access outside the block chain according to the corresponding storage path and summary information.
Advantageous effects
Compared with the prior art, the block chain interconnection system for the asset securitization processing sub-platform and the interconnection data communication method thereof realize data intercommunication between the asset securitization processing sub-platform and the block chain system through the design of the block chain front module, and avoid direct chaining processing of the asset securitization processing sub-platform; meanwhile, through the uplink processing of the modification information such as the uplink file storage path, the abstract information and the like, the operation of the block chain technology is disclosed and transparent, and the security of the original data file and the privacy of the core data are also ensured.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a sequence diagram of the method of the present invention.
Detailed Description
So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:
as shown in fig. 1, the block chain interconnection system for an asset securitization processing sub-platform according to the present invention includes a plurality of asset securitization processing sub-platforms and a block chain system, the asset securitization processing sub-platforms are each branch platform for asset securitization processing, and in practical applications, may be a capital end related platform and an asset end related platform, and the corresponding asset securitization processing sub-platforms have a certain difference due to different function modules, but both include an ABS service system and a WEB front end system, and the ABS service system and the WEB front end system perform data interconnection to implement data operations such as data analysis, sharing, transmission, and the like.
The block chain system comprises fabric nodes arranged in the cloud or in the security environment of each participant, wherein the fabric nodes operate in a docker mode and are divided into fabric sequencing nodes and fabric endorsement nodes. The fabric sequencing node is responsible for collecting transactions and packaging to generate blocks, and the consensus of the blocks is carried out by using a kafka + zookeeper mode; and the endorsement node endorses the transaction validity, performs secondary verification on the newly generated block, and provides an operating environment of an intelligent contract to realize associated services.
In order to avoid direct uplink processing of the asset securitization processing sub-platforms, a blockchain front module is also designed, and each asset securitization processing sub-platform is provided with the blockchain front module in front. The block chain front-end module is used for the interconnection communication between the asset securitization service system and the block chain system, and realizes related data transmission operations of packaging, transmission (uplink), downloading and the like of uplink data. One end of the block chain preposition module is connected with the ABS service system, and the other end of the block chain preposition module is connected with the fabric node of the block chain system.
As shown in fig. 2, the present invention further provides an interconnection data communication method for a blockchain interconnection system of an asset securitization processing sub-platform, comprising the steps of:
the first step, the asset securitization processing sub-platform and the block chain system are interconnected: and the asset securitization processing sub-platform sends out a connection request, the ABS service system provides a data uplink request for the block chain preposed module, and data interconnection is established with the block chain system through the block chain preposed module. In the conventional technology, the sub-platforms are directly linked up, and the platforms are merged into the block chain to form blocks, so that no related pre-operation of data interconnection exists, and the linking and the request are directly carried out. However, in order to ensure the security of the private data, a design of a block chain front end module is added, so that data interconnection operation is required during uplink, and the specific steps are as follows:
(1) and the ABS business system of the asset securitization processing sub-platform and the block chain preposition module are set to interact through an HTTP protocol, and data are carried by using a json format, so that the block chain preposition module is merged into the front end of the asset securitization processing sub-platform to form the same system in actual application.
(2) The ABS business system obtains a chaining request provided by a WEB front-end system, performs chaining on the non-sensitive information, and in practical application, can also perform design on the WEB front-end system, namely any data operation performed by the WEB front-end system and data traces generated on data files are set as files needing to be chained, and a block chain technology is utilized to realize a public transparent contract.
(3) The ABS service system sends an asynchronous request to the block chain front-end module, and informs the block chain front-end module of communication connection through the asynchronous request. The ABS service system sends an asynchronous request to inform the blockchain front-end module that it has started the relevant data integration pending operation.
Due to the shortcomings of the block chain technology, the node computation amount of the system has an overlarge problem, and the system performs uplink operation and other operations through the block chain front-end module, so that the problems of unsmooth data communication and delay caused by overlarge computation amount of block chain link data are generated. If only the synchronous request mode is adopted, when the calculation amount of the point data of the block links is too large, idle time states of an ABS service system are inevitably caused, and the transmission efficiency of the system is low. Therefore, a synchronous request and asynchronous request sharing mode is adopted, data channels of the subsystem, the block chain front module and the block chain system are determined through the synchronous request, and the ABS service system is triggered through the asynchronous request to perform data integration processing in time so as to guarantee transmission efficiency.
(4) The ABS service system sends a synchronization request to the blockchain preposition module, the blockchain preposition module sends an access request to the fabric node of the blockchain system, and after the fabric node of the blockchain system returns a message, the blockchain preposition module returns synchronization request information to the ABS service system to determine access connection between the ABS service system and the blockchain preposition module.
And step two, processing a block chain front module: and the block chain front-end module encapsulates the data transmitted by the ABS service system. In order to ensure the safety of subsystem data, the block chain front-end module processes data transmitted by the uplink of the ABS service system, realizes uplink processing and realizes a bridge transmission effect between the ABS service system and the block chain system. The method comprises the following specific steps:
(1) the ABS service system extracts the storage path and abstract information corresponding to the byte stream data of the file to be uplinked, and sends the information to the block chain front-end module. In practical application, the uplink file can be set as required, and the uplink file can be non-private data such as modified file information and modified records, so as to expand the range of uplink data.
(2) And the block chain preposition module encapsulates the storage path and the summary information corresponding to the byte stream data of the file needing to be uplinked into a Proposal message.
(3) And the block chain preposition module sends the Proposal message to a fabric endorsement node in the block chain system, requests the fabric endorsement node to endorse, and endorses the transaction validity by using the fabric endorsement node.
(4) The fabric endorsement node returns to the block chain preposition module after completing the endorsement, and the block chain preposition module encapsulates the Proposal message into a Transaction (TX) message.
Thirdly, the block chain front module and the fabric node of the block chain system perform data transmission: the blockchain pre-module performs uplink processing on the blockchain system, and performs uplink operation by using the blockchain pre-module (non-relevant subsystem). The method comprises the following specific steps:
(1) the blockchain preamble module sends a Transaction (TX) message to the fabric ordering node in the blockchain system to request uplink.
(2) The fabric sequencing node packs the Transaction (TX) message into a chain: the fabric sequencing node asynchronously generates a block at the bottom layer of the local chain system, and the block is filled with Transaction (TX) messages according to time sequence; and after filling, forming shared data by the block address information, and sending the shared data to the block chain front-end module.
(3) And the block chain front-end module finishes the uplink processing after receiving the shared data, sends the shared data to the ABS service system through the message queue, and transmits the shared data on the chain through the block chain front-end module.
Here, a step of acquiring data on the chain is also provided. Other related asset securitization processing sub-platforms may also download the on-chain data from the blockchain system through the blockchain pre-module, which includes the steps of:
(1) the asset securitization processing sub-platform is connected to the block chain system through a block chain front-end module;
(2) the block chain preposition module corresponding to the asset securitization processing sub-platform analyzes the shared data, finds the filling information in the block,
according to the filling information, a Transmission (TX) message is called from the block chain system when filling;
(3) the block chain front-end module analyzes the proxy message from the Transaction (TX) message, acquires a storage path and summary information corresponding to byte stream data of the uplink file, and performs data access outside the block chain according to the corresponding storage path and summary information.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a block chain interconnection system for asset securitization processing sub-platform, includes a plurality of asset securitization processing sub-platform and block chain system, asset securitization processing sub-platform include ABS business system and WEB front end system, ABS business system and WEB front end system carry out data interconnection, block chain system is including arranging the fabric node under high in the clouds or each participant secure environment, operates with the docker mode between a plurality of fabric node, its characterized in that:
the system also comprises a plurality of block chain prepositive modules, wherein the block chain prepositive modules are used for the interconnection communication between the asset securitization service system and the block chain system, one end of each block chain prepositive module is connected with the ABS service system, and the other end of each block chain prepositive module is connected with the fabric node of the block chain system.
2. The system of claim 1, wherein said system further comprises: the fabric nodes are divided into fabric sequencing nodes and fabric endorsement nodes; the fabric sequencing node is responsible for collecting transactions and packaging to generate blocks, and the consensus of the blocks is carried out by using a kafka + zookeeper mode; and the endorsement node endorses the transaction validity, performs secondary verification on the newly generated block, and provides an operating environment of an intelligent contract to realize associated services.
3. The interconnected data communication method of a block chain interconnection system for an asset securitization processing sub-platform according to claim 2, comprising the steps of:
31) the asset securitization processing sub-platform and the block chain system are in data interconnection: the asset securitization processing sub-platform sends out a connection request, the ABS service system provides a data uplink request for the block chain prepositive module, and data interconnection is established with the block chain system through the block chain prepositive module;
32) processing of a block chain front module: the block chain front-end module encapsulates data transmitted by the ABS service system;
33) the block chain front module and the fabric node of the block chain system perform data transmission: the block chain pre-module carries out uplink processing on the block chain system.
4. The method of claim 3, wherein said asset securitization processing sub-platform data-interconnected with the blockchain system comprises the steps of:
41) setting an ABS service system of the asset securitization processing sub-platform to interact with a block chain front-end module through an HTTP (hyper text transport protocol), and carrying data by using a json format;
42) the ABS business system acquires an uplink request provided by a WEB front-end system;
43) the ABS service system sends an asynchronous request to the block chain front-end module, and informs the block chain front-end module of communication connection through the asynchronous request;
44) the ABS service system sends a synchronization request to the blockchain preposition module, the blockchain preposition module sends an access request to the fabric node of the blockchain system, and after the fabric node of the blockchain system returns a message, the blockchain preposition module returns synchronization request information to the ABS service system to determine access connection between the ABS service system and the blockchain preposition module.
5. The method of claim 3, wherein said processing of said blockchain pre-module comprises the steps of:
51) the ABS service system extracts a storage path and abstract information corresponding to byte stream data of a file to be uplinked, and sends the information to a block chain front-end module;
52) the block chain pre-module encapsulates a storage path and summary information corresponding to byte stream data of a file to be uplinked into a Proposal message;
53) the block chain preposition module sends the Proposal message to a fabric endorsement node in the block chain system and requests the fabric endorsement node to endorse;
54) the fabric endorsement node returns to the block chain preposition module after completing the endorsement, and the block chain preposition module encapsulates the Proposal message into a Transaction (TX) message.
6. The method of claim 3, wherein said blockchain pre-module communicating data with the fabric node of the blockchain system comprises the steps of:
61) the block chain front module sends a Transaction (TX) message to a fabric sequencing node in a block chain system to request uplink;
62) the fabric sequencing node packs the Transaction (TX) message into a chain: the fabric sequencing node asynchronously generates a block at the bottom layer of the local chain system, and the block is filled with Transaction (TX) messages according to time sequence; after filling, forming shared data by the block address information, and sending the shared data to the block chain front-end module;
63) and the block chain front-end module finishes uplink processing after receiving the shared data and sends the shared data to the ABS service system through a message queue.
7. The interconnected data communication method of a block chain interconnection system for an asset securitization processing sub-platform as claimed in claim 3, further comprising the step of obtaining on-chain data: the asset securitization processing sub-platform downloads the on-chain data from the block chain system; which comprises the following steps:
71) the asset securitization processing sub-platform is connected to the block chain system through a block chain front-end module;
72) analyzing shared data by a block chain front-end module corresponding to the asset securitization processing sub-platform, finding filling information in a block, and calling a Transaction (TX) message during filling from a block chain system according to the filling information;
73) the block chain front-end module analyzes the proxy message from the Transaction (TX) message, acquires a storage path and summary information corresponding to byte stream data of the uplink file, and performs data access outside the block chain according to the corresponding storage path and summary information.
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