CN110825515A - Decentralized financial data processing method and system based on block chain - Google Patents
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Abstract
The disclosure relates to a block chain-based decentralized financial data processing method and system. The method comprises the following steps: the method comprises the steps that a first block chain node receives preset financial data and determines the data type of the preset financial data; the first block link point selects a plurality of second block link nodes from a consensus network according to the determined data type of the preset financial data; the first block link point transmits the preset financial data to the selected second block link nodes so that the second block link points perform consensus processing on the preset financial data.
Description
Technical Field
The disclosure relates to the technical field of block chain data processing, in particular to a decentralized financial data processing method and system based on a block chain.
Background
The block chain technology is a distributed internet database technology, and a network constructed based on the block chain technology may be referred to as a block chain network, where the block chain network generally includes network nodes, and each node corresponds to at least one block chain. The block chain network has the characteristics of decentralization, public transparency, no tampering, trustiness and the like. Based on these characteristics, the application field of the block chain technology is more and more extensive. In the related art, financial data management systems in financial institutions such as banks, securities and insurance have also begun to explore the application of blockchain technology. Specifically, for example, the financial data to be linked is received by a certain block link point in the block chain network and accepted by the block link point, after the block link point accepts the financial data, the other block link points in the block chain network need to participate in the consensus processing on the financial data, and the financial data can be stored after the consensus processing.
In the financial data processing process, the consensus phase needs other block chain link points in the block chain network to participate, and the inventor finds that when the financial data is subjected to consensus processing, as the number of the block chain link points participating in the consensus increases, the time for the consensus processing on the financial data is too long, so that the efficiency of the consensus processing on the financial data is low.
Disclosure of Invention
It is an object of the present disclosure to provide a blockchain-based decentralized financial data processing method and system, which overcome, at least to some extent, one or more of the problems due to limitations and disadvantages of the related art.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for decentralized financial data processing based on block chains, the method including:
the method comprises the steps that a first block chain node receives preset financial data and determines the data type of the preset financial data;
the first block link point selects a plurality of second block link nodes from a consensus network according to the determined data type of the preset financial data;
the first block link point transmits the preset financial data to the selected second block link nodes so that the second block link points perform consensus processing on the preset financial data.
In an embodiment of the disclosure, the selecting, by the first block link point, a plurality of second block link nodes from a consensus network according to the determined data type of the preset financial data includes:
the first block chain link point determines a consensus algorithm corresponding to the data type of the received preset financial data according to the corresponding relation between the preset data type and the consensus algorithm;
the first block link point selects a plurality of second block link nodes providing a consensus mechanism from a consensus network according to the consensus algorithm.
In an embodiment of the disclosure, the selecting, by the first block link point according to the consensus algorithm, a plurality of second block link nodes providing a consensus mechanism from a consensus network includes:
the first block chain link point determines the number of second block chain nodes participating in consensus according to the consensus algorithm;
and the first block chain node randomly selects a second block chain node meeting the number from the consensus network.
In an embodiment of the present disclosure, the data categories include any of fund, security, bank, insurance and trust categories.
In the embodiment of the present disclosure, the preset financial data carries a sending end device ID; the method further comprises the following steps:
and the first block link point verifies the validity of the preset financial data according to the equipment ID, and determines the data type of the preset financial data after the verification is passed.
According to a second aspect of embodiments of the present disclosure, there is provided a blockchain-based decentralized financial data processing system, the system comprising:
the system comprises a first block chain node, a second block chain node and a third block chain node, wherein the first block chain node is used for receiving preset financial data, determining the data type of the preset financial data and selecting a plurality of second block chain nodes from a consensus network according to the determined data type of the preset financial data;
and the second block chain nodes are used for receiving the preset financial data sent by the first block chain nodes and carrying out consensus processing on the preset financial data.
In an embodiment of the present disclosure, the first block chain node is specifically configured to:
determining a consensus algorithm corresponding to the data type of the received preset financial data according to the corresponding relation between the preset data type and the consensus algorithm;
and selecting a plurality of second blockchain nodes providing a consensus mechanism from a consensus network according to the consensus algorithm.
In an embodiment of the present disclosure, the first blockchain node is configured to determine, according to the consensus algorithm, the number of second blockchain nodes participating in consensus, which meet the requirement of the consensus algorithm, and randomly select, from a consensus network, the second blockchain nodes that meet the number.
In an embodiment of the present disclosure, the data categories include any of fund, security, bank, insurance and trust categories.
In the embodiment of the present disclosure, the preset financial data carries a sending end device ID; and the first block link node is further configured to verify the validity of the preset financial data according to the device ID, and determine the data type of the preset financial data after the verification is passed.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the method and the device, for the financial data to be identified, the common identification node providing the common identification service can be selected according to the data type of the financial data, and common identification processing is performed on the financial data, so that part of common identification nodes can be selected from the common identification network for identifying the financial data aiming at different types of financial data, the problem that the common identification processing time is too long due to the fact that the number of the common identification nodes is too large can be solved, the time for common identification processing is shortened, and the financial data processing efficiency of the block chain network is effectively improved.
Drawings
FIG. 1 illustrates a block chain based decentralized financial data processing method flow diagram in an exemplary embodiment of the present disclosure;
FIG. 2 illustrates a flow chart of another block chain based decentralized financial data processing method in an exemplary embodiment of the present disclosure;
FIG. 3 is a flow chart of yet another block chain based decentralized financial data processing method in an exemplary embodiment of the present disclosure;
FIG. 4 illustrates a block chain based decentralized financial data processing system schematic in an exemplary embodiment of the present disclosure;
FIG. 5 illustrates a schematic diagram of a computer-readable storage medium in an exemplary embodiment of the disclosure;
fig. 6 shows a schematic diagram of an electronic device in an exemplary embodiment of the disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The exemplary embodiment first provides a block chain based decentralized financial data processing method, which can be applied to a system architecture such as that shown in fig. 4. Referring to fig. 1, the method may include:
step S101: the first block chain node receives preset financial data and determines the data type of the preset financial data.
Specifically, in this embodiment, the first block link node and the second block link node described below may be a computer or a mobile terminal inside a bank, and the preset financial data may include, but is not limited to, fund data, security data, bank data, insurance data, trust data, and the like, where the preset financial data may include all data related to finance. In embodiments of the present disclosure, the data categories may include any of fund, security, bank, insurance and trust categories. The preset financial data can be sent by any computer in the bank. After receiving the preset financial data, the first block link point may determine the data category to which it belongs, for example, the security data may determine that it belongs to the security category, the insurance data may determine that it belongs to the insurance category, and so on.
Step S102: the first block link point selects a plurality of second block link nodes from a consensus network according to the determined data type of the preset financial data.
Specifically, as shown in fig. 2, in an embodiment of the present disclosure, the selecting, by the first blockchain node, a plurality of second blockchain nodes from a consensus network according to the determined data type of the preset financial data may specifically include:
step S201: and the first block link point determines the consensus algorithm corresponding to the data type of the received preset financial data according to the corresponding relation between the preset data type and the consensus algorithm.
In an embodiment of the present disclosure, mapping relationships between different data categories and corresponding different consensus algorithms may be preset, for example, a fund category, a security category, a bank category, an insurance category, and a trust category each correspond to different consensus algorithms, and the data categories exemplarily shown in table 1 correspond to different consensus algorithms. The first block link point may determine, according to the mapping relationship, a consensus algorithm 3 corresponding to a data type, such as an insurance type, of the received preset financial data, such as insurance data.
TABLE 1
| Kind of data | Corresponding consensus algorithm |
| Kind of fund | Consensus algorithm 1 |
| Kind of securities | Consensus algorithm 2 |
| Kind of insurance | Consensus algorithm 3 |
| Kind of bank | Consensus algorithm 4 |
| Kind of trust | Consensus algorithm 5 |
The consensus algorithm can be a workload Proof POS (Proof of work) algorithm, a share authorization Proof DPOS (released Proof of stamp) algorithm, and the DPOS can reduce the waste of computing power and enhance the safety of a block chain. The consensus algorithm may also be a bayer Fault-tolerant pbft (actual Byzantine Fault tolerance) algorithm, a PAXOS algorithm, or a RAFT algorithm, but is not limited thereto. For the details of the consensus algorithm, reference may be made to the prior art, which is not described herein again.
Step S202: and the first block chain node selects a plurality of second block chain nodes providing a consensus mechanism from a consensus network according to the consensus algorithm.
Specifically, in this embodiment, the consensus mechanisms supported by the block chain nodes in the consensus network are not completely the same. The first block link point may select a plurality of second block link nodes providing a consensus mechanism from the consensus network according to the consensus algorithm, such as the consensus algorithm 3, for example, select a plurality of second block link nodes providing a consensus mechanism supporting the consensus algorithm 3 from the consensus network, so that the plurality of second block link nodes perform consensus processing on the financial data, such as insurance data, based on the consensus mechanism of the consensus algorithm 3.
Further, as shown in fig. 3, in an embodiment of the present disclosure, the selecting, by the first blockchain node, a plurality of second blockchain nodes providing a consensus mechanism from a consensus network according to the consensus algorithm may specifically include the following steps:
step S301: and the first block chain link point determines the number of second block chain nodes participating in consensus according to the consensus algorithm.
For example, the first block link point may determine, according to the consensus algorithm 3, the number N of second block link nodes participating in consensus, which meets the requirement of the consensus algorithm 3, that is, at least the N second block link nodes in the consensus network support a consensus mechanism based on the consensus algorithm 3, and the remaining block link nodes support other consensus mechanisms, for example, support different consensus mechanisms based on the consensus algorithm 1 or the consensus algorithm 2.
Step S302: and the first block chain node randomly selects a second block chain node meeting the number from the consensus network. For example, after the first block link point determines the number N of the second block link nodes participating in the consensus, the second block link points supporting the consensus mechanism based on the consensus algorithm 2, which satisfy the number N, may be randomly selected from the consensus network as the consensus nodes, where N is greater than or equal to 2 and less than the number of all nodes in the consensus network. The above is merely one example of selecting the second blockchain node from the consensus network, and is not intended to limit the embodiments of the present disclosure.
Step S103: the first block link point transmits the preset financial data to the selected second block link nodes so that the second block link points perform consensus processing on the preset financial data. That is, after the second blockchain node is determined from the consensus network, consensus processing may be performed on the preset financial data, such as insurance data, for example, consensus processing is performed based on the consensus algorithm 3, and a specific consensus processing process may refer to the prior art and is not described herein again. The consensus process may be followed by storing the processed corresponding data.
According to the embodiment of the disclosure, for different types of financial data, corresponding partial consensus nodes can be selected from the consensus network to perform consensus, so that the problem of overlong consensus processing time caused by excessive number of the consensus nodes can be avoided, the consensus processing time is shortened, and the financial data processing efficiency of the block chain network is effectively improved.
In the embodiment of the disclosure, the preset financial data carries a unique ID of the sending end device; the method may further comprise the steps of: and the first block link point verifies the validity of the preset financial data according to the unique ID of the equipment, and determines the data type of the preset financial data after the verification is passed. That is, before determining the data type of the preset financial data, such as insurance data, the validity of the preset financial data, such as insurance data, can be verified, for example, by comparing whether the unique ID of the device is matched with the pre-stored ID, so that the common identification processing of illegal data and unnecessary data can be avoided, and the subsequent financial data processing efficiency can be further improved.
In an embodiment of the present disclosure, in order to ensure the validity of the consensus result based on the above-mentioned consensus mechanism. The first blockchain node may further include, before transmitting the preset financial data to the selected plurality of second blockchain nodes, the steps of:
the first block link node broadcasts the selected second block link points to other block link nodes in a consensus network, so that whether the other block link nodes agree to provide a consensus service for the selected second block link points is confirmed, and when the first block link node obtains a message that the consensus passes after receiving the confirmation sent by the other block link points, the first block link node sends the preset financial data to the selected second block link points for consensus processing.
That is, if the first block link node receives the consensus passing message sent by the other block link nodes, it indicates that the other block link nodes participate in the consensus to reach the consensus of the selected consensus node, i.e. the second block link nodes, which means that the consensus result obtained by the selected consensus node will be determined to be legal; otherwise, the first block link point needs to perform the operation of selecting the common node again.
Referring to fig. 4, an embodiment of the present disclosure also provides a blockchain-based decentralized financial data processing system, which may include a first blockchain node 401 and a plurality of second blockchain nodes 402. The first blockchain node 401 is configured to receive a preset financial data, determine a data type of the preset financial data, and select a plurality of second blockchain nodes 402 from a consensus network according to the determined data type of the preset financial data. The plurality of second block chain nodes 402 are configured to receive the preset financial data sent by the first block chain node 401, and perform consensus processing on the preset financial data.
Specifically, in the embodiment of the present disclosure, the first block chain node 401 is specifically configured to determine, according to a correspondence between a preset data type and a consensus algorithm, a consensus algorithm corresponding to the data type of the received preset financial data; according to the consensus algorithm, a plurality of second blockchain nodes providing a consensus mechanism are selected from a consensus network 402.
In this embodiment of the present disclosure, the first blockchain node 401 is configured to determine, according to the consensus algorithm, the number of second blockchain nodes 402 participating in consensus, which meet the requirement of the consensus algorithm, and randomly select, from the consensus network, the second blockchain nodes 402 that meet the number.
In an embodiment of the present disclosure, the data categories include, but are not limited to, any of the fund, security, bank, insurance, and trust categories.
In the embodiment of the present disclosure, the preset financial data carries a sending end device ID; the first blockchain node 401 is further configured to verify the validity of the preset financial data according to the device ID, and determine the data type of the preset financial data after the verification is passed.
It should be noted that, regarding the system in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated herein.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units. The components shown as modules or units may or may not be physical units, i.e. may be located in one place or may also be distributed over a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the wood-disclosed scheme. One of ordinary skill in the art can understand and implement it without inventive effort.
In an exemplary embodiment of the present disclosure, there is further provided a computer readable storage medium, on which a computer program is stored, which when executed by a processor, for example, can implement the steps of the block chain based decentralized financial data processing method according to any one of the above embodiments. In some possible embodiments, aspects of the present invention may also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps according to various exemplary embodiments of the present invention as described in the block chain based decentralized financial data processing method section above of this specification, when said program product is run on the terminal device.
Referring to fig. 5, a program product 500 for implementing the above method according to an embodiment of the present invention is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited in this respect, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable storage medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable storage medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
In an exemplary embodiment of the present disclosure, there is also provided an electronic device, which may include a processor, and a memory for storing executable instructions of the processor. Wherein the processor is configured to perform the steps of the blockchain-based decentralized financial data processing method according to any of the above embodiments via execution of the executable instructions.
As will be appreciated by one skilled in the art, aspects of the present invention may be embodied as a system, method or program product. Thus, various aspects of the invention may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
An electronic device 600 according to this embodiment of the invention is described below with reference to fig. 6. The electronic device 600 shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present invention.
As shown in fig. 6, the electronic device 600 is embodied in the form of a general purpose computing device. The components of the electronic device 600 may include, but are not limited to: at least one processing unit 610, at least one storage unit 620, a bus 630 that connects the various system components (including the storage unit 620 and the processing unit 610), a display unit 640, and the like.
Wherein the storage unit stores program code executable by the processing unit 610 to cause the processing unit 610 to perform steps according to various exemplary embodiments of the present invention described in the above section of blockchain financial big data processing method of the present specification. For example, the processing unit 610 may perform the steps as shown in fig. 1.
The storage unit 620 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)6201 and/or a cache memory unit 6202, and may further include a read-only memory unit (ROM) 6203.
The memory unit 620 may also include a program/utility 6204 having a set (at least one) of program modules 6205, such program modules 6205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The electronic device 600 may also communicate with one or more external devices 700 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 600, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 600 to communicate with one or more other computing devices. Such communication may occur via an input/output (I/O) interface 650. Also, the electronic device 600 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the Internet) via the network adapter 660. The network adapter 660 may communicate with other modules of the electronic device 600 via the bus 630. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 600, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, or a network device, etc.) to execute the above-mentioned block chain based decentralized financial data processing method according to the embodiments of the present disclosure.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A method for decentralized financial data processing based on blockchain, the method comprising:
the method comprises the steps that a first block chain node receives preset financial data and determines the data type of the preset financial data;
the first block link point selects a plurality of second block link nodes from a consensus network according to the determined data type of the preset financial data;
the first block link point transmits the preset financial data to the selected second block link nodes so that the second block link points perform consensus processing on the preset financial data.
2. The method of claim 1, wherein the selecting, by the first blockchain node, a plurality of second blockchain nodes from a consensus network according to the determined data type of the predetermined financial data comprises:
the first block chain link point determines a consensus algorithm corresponding to the data type of the received preset financial data according to the corresponding relation between the preset data type and the consensus algorithm;
the first block link point selects a plurality of second block link nodes providing a consensus mechanism from a consensus network according to the consensus algorithm.
3. The method of claim 2, wherein the first blockchain node selects a plurality of second blockchain nodes providing a consensus mechanism from a consensus network according to the consensus algorithm, comprising:
the first block chain link point determines the number of second block chain nodes participating in consensus according to the consensus algorithm;
and the first block chain node randomly selects a second block chain node meeting the number from the consensus network.
4. A method according to any one of claims 1 to 3, wherein the data categories include any one of fund, security, banking, insurance and trust categories.
5. The method of claim 4, wherein the predetermined financial data carries a sender device ID; the method further comprises the following steps:
and the first block link point verifies the validity of the preset financial data according to the equipment ID, and determines the data type of the preset financial data after the verification is passed.
6. A blockchain-based decentralized financial data processing system, the system comprising:
the system comprises a first block chain node, a second block chain node and a third block chain node, wherein the first block chain node is used for receiving preset financial data, determining the data type of the preset financial data and selecting a plurality of second block chain nodes from a consensus network according to the determined data type of the preset financial data;
and the second block chain nodes are used for receiving the preset financial data sent by the first block chain nodes and carrying out consensus processing on the preset financial data.
7. The system of claim 6, wherein the first blockchain node is specifically configured to:
determining a consensus algorithm corresponding to the data type of the received preset financial data according to the corresponding relation between the preset data type and the consensus algorithm;
and selecting a plurality of second blockchain nodes providing a consensus mechanism from a consensus network according to the consensus algorithm.
8. The system according to claim 7, wherein the first blockchain node is configured to determine, according to the consensus algorithm, a number of second blockchain nodes participating in consensus that meet the requirement of the consensus algorithm, and randomly select, from a consensus network, the second blockchain nodes that meet the number.
9. A system according to any one of claims 6 to 8, wherein said data categories include any one of fund, security, banking, insurance and trust categories.
10. The system of claim 9, wherein the predetermined financial data carries a sender device ID;
and the first block link node is further configured to verify the validity of the preset financial data according to the device ID, and determine the data type of the preset financial data after the verification is passed.
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| CN112015809A (en) * | 2020-07-14 | 2020-12-01 | 北京淇瑀信息科技有限公司 | Financial data management method, block chain network system and electronic equipment |
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