WO2020216077A1

WO2020216077A1 - Blockchain event deduplication method and apparatus, and computer device and storage medium

Info

Publication number: WO2020216077A1
Application number: PCT/CN2020/084282
Authority: WO
Inventors: 刘丽平; 苏小康; 张开翔; 范瑞彬
Original assignee: 深圳前海微众银行股份有限公司
Priority date: 2019-04-26
Filing date: 2020-04-10
Publication date: 2020-10-29
Also published as: CN110099108A; CN110099108B

Abstract

Disclosed are a blockchain event deduplication method and apparatus, a computer device and a storage medium. Said method comprises: a blockchain system receiving a transaction request sent by a publication server, the transaction request being used to request the publication of an event, and the transaction request comprising a publication identifier of the event to be published; the blockchain system invoking a deduplication contract; and if it is determined that the blockchain system stores an event identifier corresponding to the publication identifier, then sending the event identifier corresponding to the publication identifier to the publication server. The technical solution prevents a publication server from publishing the same event multiple times to a blockchain system, thereby reducing the pressure of the blockchain system.

Description

Method, device, computer equipment and storage medium for deduplication of blockchain events

Cross references to related applications

This application requires the priority of a Chinese patent application filed with the Chinese Patent Office on April 26, 2019, the application number is 201910342419.8, and the application title is "a method, device, computer equipment and storage medium for blockchain event deduplication". The entire content is incorporated into this application by reference.

Technical field

The embodiments of the present invention relate to the field of financial technology (Fintech), and in particular to a method, device, computer equipment, and storage medium for deduplication of a blockchain (BlockChain) event.

Background technique

A blockchain is a chain composed of a series of blocks. Each block records the data of the block and the hash value of the previous block. In this way, all blocks form a chain one after another. The cryptographic technology and decentralized ideas on which the blockchain is based make the historical information on the chain unable to be tampered with.

With the development of computer technology, more and more technologies are applied in the financial field. The traditional financial industry is gradually transforming to financial technology. Blockchain messaging and event transmission technology is no exception. However, due to the security, Real-time requirements also place higher requirements on technology.

In event publishing and subscription, the producer writes the event to be published into the blockchain system, and the consumer reads the event to be obtained from the blockchain system. When the producer publishes an event to the blockchain system, if it does not receive a response message from the blockchain system within the preset time period, it will republish the same event to the blockchain system, but the blockchain system can process it at the same time The number of events is limited. If producers publish the same event multiple times to the blockchain system, it will cause unnecessary pressure on the blockchain system.

Summary of the invention

The embodiments of the present invention provide a method, device, computer equipment, and storage medium for deduplication of blockchain events, so as to prevent the publishing server from publishing the same event multiple times to the blockchain system, thereby reducing the pressure on the blockchain system.

In the first aspect, a method for deduplication of blockchain events provided by an embodiment of the present invention includes:

The block chain system receives the transaction request sent by the publishing server; the transaction request is used to request the publication of the event; the transaction request includes the publication identification of the event to be published;

The blockchain system calls a deduplication contract to determine whether an event identifier corresponding to the release identifier is stored in the blockchain system; the event identifier is used to uniquely identify the published event;

If the blockchain system determines that the event identifier corresponding to the release identifier is stored in the blockchain system, it sends the event identifier corresponding to the release identifier to the publishing server.

In the above technical solution, after the blockchain system receives the transaction request sent by the publishing server, it does not directly generate a transaction log recording the event to be published, but first calls the deduplication contract to determine whether there is an event to be published in the blockchain system If there is an event ID corresponding to the release ID, it can be determined that the event to be released has been successfully released to the blockchain system without re-publishing, that is, to avoid publishing the same event to the blockchain system by the publishing server multiple times, reducing The blockchain system processes the number of events at the same time, reducing the workload of the blockchain system, and avoiding consumers from subscribing to the same event, improving user experience.

Optional, also includes:

If the blockchain system determines that the event identifier corresponding to the release identifier is not stored in the blockchain system, it calls the theme contract of the theme to which the event to be published belongs; the theme contract is used in the transaction log Record the event to be published and the event identifier of the event to be published;

The blockchain system sends the event identifier of the event to be published to the publishing server, and stores the event identifier of the event to be published and the release identifier in the storage space indicated by the deduplication contract. .

In the above technical solution, after the blockchain system receives the transaction request sent by the publishing server, if it is determined that the event identifier corresponding to the publishing identifier is not stored, it is determined that the event to be published has not been successfully published to the blockchain system and needs to be called The subject contract of the subject to which the event to be published belongs is released, so as to ensure that the event to be published in the transaction request sent by the publishing server is successfully published to the blockchain system.

Optionally, the deduplication contract is set with a maximum storage duration;

The method also includes:

The blockchain system deletes the correspondence relationship between the release identifier and the event identifier that reaches the maximum storage duration from the storage space indicated by the deduplication contract.

In the above technical solution, considering that the storage space for storing the correspondence between the release identifier and the event identifier in the blockchain system is limited, and the release server publishes the same event at a relatively short interval, the maximum storage duration is set in the deduplication contract, Regularly clear the corresponding relationship in the deduplication contract to avoid the problem of insufficient storage space in the deduplication contract, resulting in limited functions. In addition, setting the maximum storage duration can reduce the workload of the deduplication contract in finding the event identifier corresponding to the release identifier, and further improve the work efficiency of the blockchain system.

Optionally, the blockchain system includes multiple storage spaces;

The block chain system correspondingly storing the event identifier of the event to be released and the release identifier in the storage space indicated by the deduplication contract includes:

The blockchain system determines the storage space indicated by the deduplication contract from the plurality of storage spaces according to the release identifier of the event to be published; the event identifier of the event to be released and the release identifier Correspondingly stored in the storage space of the deduplication contract instruction.

In the above technical solution, multiple storage spaces are stored in the blockchain system, and different to-be-published events are set to be mapped to corresponding storage spaces according to the events to be published, so as to realize the corresponding relationship between the release ID and the event ID in accordance with the rules Classified into multiple storage spaces, more storage of the corresponding relationship between the release ID and the event ID.

Optionally, the blockchain system calling the deduplication contract includes:

The blockchain system calls the theme contract of the theme to which the event to be published belongs, and calls the deduplication contract through the theme contract of the theme to which the event to be published belongs.

In the above technical solution, after receiving the transaction request, the blockchain system first calls the subject contract of the subject to which the event to be published belongs, and then calls the deduplication contract from the subject contract to improve the orderliness of the blockchain system in actual work Sex.

In the second aspect, an embodiment of the present invention also provides a method for deduplication of blockchain events, including:

The publishing server sends a deployment request to the blockchain system; the deployment request is used to deploy a deduplication contract in the blockchain system; the deduplication contract is used to determine whether the blockchain system stores the release identifier of the event to be published Corresponding event identifier; the event identifier is used to uniquely identify the published event;

The publishing server receives a deployment response, where the deployment response is used to indicate that the deduplication contract is successfully deployed.

In the above technical solution, the publishing server pre-deploys a deduplication contract in the blockchain system for when sending transaction requests to the blockchain system, the blockchain system can filter out the same events and feed back to the publishing server at the same time The event identifier corresponding to the publishing identifier prevents the publishing server from issuing multiple transaction requests for the same event to the blockchain system, and improves the working efficiency of the publishing server.

In the third aspect, an embodiment of the present invention also provides a blockchain event deduplication device, including:

The transceiver unit is configured to receive a transaction request sent by the publishing server; the transaction request is used to request the publication of the event; the transaction request includes the publication identification of the event to be published;

The processing unit is used to call the deduplication contract to determine whether the event identifier corresponding to the release identifier is stored in the blockchain system; the event identifier is used to uniquely identify the published event;

The processing unit is further configured to, if it is determined that the event identifier corresponding to the release identifier is stored in the blockchain system, control the transceiver unit to send the event identifier corresponding to the release identifier to the publishing server.

Optionally, the processing unit is further configured to:

If it is determined that the event identifier corresponding to the release identifier is not stored in the blockchain system, call the theme contract of the theme to which the event to be published belongs; the theme contract is used to record the event to be published in the transaction log And the event identifier of the event to be released;

Control the transceiver unit to send the event identifier of the event to be published to the publishing server, and correspondingly store the event identifier of the event to be published and the release identifier in the storage space indicated by the deduplication contract.

Optionally, the deduplication contract is set with a maximum storage duration;

The processing unit is also used for:

The correspondence relationship between the release identifier and the event identifier that reaches the maximum storage duration is deleted from the storage space indicated by the deduplication contract.

Optionally, the blockchain system includes multiple storage spaces;

The processing unit is specifically used for:

According to the release identifier of the event to be released, the storage space indicated by the deduplication contract is determined from the multiple storage spaces; the event identifier of the event to be released and the release identifier are correspondingly stored in the destination Re-contract indicates in the storage space.

Optionally, the processing unit is specifically configured to:

Call the theme contract of the theme to which the event to be published belongs, and call the deduplication contract through the theme contract of the theme to which the event to be published belongs.

In a fourth aspect, an embodiment of the present invention also provides a blockchain event deduplication device, including:

The sending unit is used to send a deployment request to the blockchain system; the deployment request is used to deploy a deduplication contract in the blockchain system; the deduplication contract is used to determine whether there are events to be published in the blockchain system The event identifier corresponding to the release identifier of, the event identifier is used to uniquely identify the published event;

The receiving unit is configured to receive a deployment response, where the deployment response is used to indicate that the deduplication contract is successfully deployed.

In a fifth aspect, an embodiment of the present invention also provides a computer device, including:

Memory, used to store program instructions;

The processor is configured to call the program instructions stored in the memory, and execute the above blockchain event de-duplication method according to the obtained program.

In a sixth aspect, embodiments of the present invention also provide a computer-readable non-volatile storage medium, including computer-readable instructions, which when the computer reads and executes the computer-readable instructions, cause the computer to execute the aforementioned blockchain Event deduplication method.

In a seventh aspect, an embodiment of the present invention also provides a computer program product, the computer program product includes a calculation program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, when the program When the instruction is executed by the computer, the computer is caused to execute the above-mentioned blockchain event deduplication method.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings.

FIG. 1 is a schematic diagram of a system architecture provided by an embodiment of the present invention;

2 is a schematic flowchart of a method for deduplication of blockchain events according to an embodiment of the present invention;

3 is a schematic structural diagram of a device for deduplication of blockchain events provided by an embodiment of the present invention;

4 is a schematic structural diagram of a device for deduplication of blockchain events provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an electronic device provided by an embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

FIG. 1 exemplarily shows the system architecture applicable to the method for deduplication of blockchain events provided by the embodiment of the present invention. The system architecture may include a producer 100, a publishing server 200, a blockchain system 300, a subscriber server 400, and a consumer者500. Among them, the producer 100 is used to generate events to be published, the publishing server 200 is used to write the events to be published into the blockchain system 300, and the consumer 500 is used to subscribe to events from the blockchain system 300 through the subscription server 400.

When the producer 100 needs to publish an event, it sends the event to be published to the publishing server 200, the publishing server 200 generates a transaction request according to the event to be published, the publishing server 200 sends the transaction request to the blockchain system 300, and the blockchain system 300 according to the transaction Request to execute the contract and record the event to be released, that is, the event release of the producer 100 is completed.

When the consumer 500 needs to acquire an event, it sends an acquisition request to the subscription server 400. The subscription server 400 determines the event corresponding to the acquisition request from the blockchain system 300 according to the received acquisition request, and feeds it back to the consumer 500 to complete the consumer 500 event subscriptions.

The publishing server 200 and the subscribing server 400 in the system architecture can be one server physically, which completes publishing and subscribing functions, or two separate servers, which complete publishing and subscribing functions respectively, which will not be done here. limit.

The blockchain system 300 executes the contract according to the transaction request and records the event to be released. After the event is released, it is stored in the blockchain system 300. Since the blockchain system 300 is a chain structure, it is not easy to be tampered with and deleted. The feature of, guarantees the security of the release event stored in the blockchain system 300.

After the publishing server 200 sends a transaction request to the blockchain system 300, if the publishing server 200 can obtain a response message for publishing events from the blockchain system 300, and the response message records the event identifier of the publishing event, the publishing server 200 determines that the event to be published has been successfully published to the blockchain system 300, otherwise, the publishing server 200 will determine that the event to be published has not been successfully published to the blockchain system 300 and needs to publish the to-be published event to the blockchain system 300 again Events, combined with the description, the scenarios involved in the embodiments of the present invention are:

Scenario 1: The publishing server sends a transaction request to the blockchain system. The blockchain system successfully generates a transaction log and feeds back a response message. The response message contains the event identifier of the publishing event. The publishing server receives the response message and determines that the event is successfully published. .

Scenario 2: The publishing server sends a transaction request to the blockchain system. The blockchain system successfully generates a transaction log, but the publishing server does not receive a response message from the blockchain system, or there is no event publishing event in the response message. ID, the publishing server considers the event to be published unsuccessfully and needs to be republished, stores the same event in the transaction request and sends it to the blockchain system. The blockchain system determines that the event identifier for the published event has been stored in the blockchain system. Then, the event identifier of the publishing event is fed back to the publishing server to inform the publishing server that the event has been successfully published.

Scenario 3: The publishing server sends a transaction request to the blockchain system, the blockchain system fails to generate a transaction log, the publishing server does not receive the response message fed back by the blockchain system, or there is no event publishing event in the response message fed back The publishing server considers that the event is not successfully published and needs to be republished. The same event is stored in the transaction request and sent to the blockchain system. The blockchain system determines that the event identifier of the published event is not stored in the blockchain system. The subject contract of the subject to which the event to be published belongs is called, a transaction log is generated, and a response message recording the event identifier of the published event is fed back to the publishing server, thereby notifying the publishing server that the event has been successfully published.

In combination with the above scenarios, Figure 2 exemplarily shows the flow of a blockchain event deduplication method provided by an embodiment of the present invention. The flow can be executed by a blockchain event deduplication device, which can be located in the blockchain. In the system, it can be the blockchain system. As shown in Figure 2, the process involves the execution subject including the publishing server and the blockchain system. The specific process is as follows.

Step 201: The publishing server sends a transaction request to the blockchain system.

The publishing server receives the publishing request sent by the producer, generates a transaction request according to the publishing request, and sends it to the blockchain system. The transaction request is used to request the publishing of the event, and the transaction request includes the publishing identification of the event to be published. The release identifier of the event to be released can include the producer IP (Internet Protocol, interconnection protocol between networks) address, thread ID (Identification), timestamp, time increment value and other information of the event to be released. To uniquely determine the event to be published, for example, the publication identifier of the event to be published may be the UUID (Universally Unique Identifier) of the event to be published.

Further, the release identifier of the event to be published can be generated by the producer or the publishing server. When the publishing server generates the release identifier of the event to be published, it will perform all received events to be published according to certain rules. ID to ensure that the release ID of the event to be released is used to uniquely identify the event to be released.

Step 202, the blockchain system calls the deduplication contract.

A deduplication contract can be deployed in the blockchain system. The deduplication contract is used to prevent the publishing server from publishing the same pending event to the blockchain system. Specifically, the deduplication contract is used to determine whether there is a pending storage in the blockchain system Publish the event identifier corresponding to the issue identifier of the event to prevent the publishing server from publishing the same pending event to the blockchain system.

In the embodiment of the present invention, the publishing server may pre-deploy the deduplication contract. Specifically, the publishing server sends a deployment request to the blockchain system. The deployment request is used to deploy the deduplication contract in the blockchain system. After the system receives the deployment request, it deploys the deduplication contract in the blockchain system according to the deployment request. After the deduplication contract is deployed, the blockchain system sends a deployment response to the publishing server to notify the publishing server that the deployment is successful.

Step 203: The blockchain system determines whether an event identifier is stored in the blockchain system.

If the event to be released is successfully released in the blockchain system, the blockchain system will generate a transaction log that records the event to be released. The generation of the transaction log means that the event to be released becomes a published event, and the transaction log is The event identifier is recorded, and the event identifier is used to uniquely identify the published event and also has a corresponding relationship with the release identifier of the event to be published.

In the embodiment of the present invention, the corresponding relationship between the release identifier of the event and the event identifier can be stored in the storage space indicated by the deduplication contract, and the blockchain system can directly call the deduplication contract to determine the storage space indicated by the deduplication contract Whether to store the event ID corresponding to the release ID of the event to be released. It is also possible to call the deduplication contract through the theme contract of the theme to which the event to be published belongs, that is, the blockchain system calls the theme contract of the theme to which the event to be published belongs, and calls the deduplication contract through the theme contract of the theme to which the event belongs.

In the embodiment of the present invention, since the storage space indicated by the deduplication contract in the blockchain system is limited, and the release server publishes the same event at a relatively short interval, the maximum storage duration can be set in the deduplication contract. The corresponding relationship between the release identifier of the event in the contract and the event identifier exceeds the maximum storage time, then the corresponding relationship between the two is deleted.

In step 204, the blockchain system sends the event identifier corresponding to the issuing identifier to the issuing server.

If the event identifier corresponding to the release identifier is stored in the blockchain system, it is determined that the release of the event to be published is completed, and the event identifier corresponding to the determined release identifier is sent to the publishing server to inform the publishing server that the event to be published has been completed.

Of course, in the embodiment of the present invention, there may be a blockchain system that determines that the event identifier is not stored in the blockchain system, and then determines that the event to be released has not been released, and the blockchain system needs to execute a contract to release the event to be released. Specifically, the blockchain system calls the subject contract of the subject of the event to be published to generate a transaction log that records the event to be published and the event identifier of the event to be published, and the blockchain system sends the event identifier of the event to be published to the publication The server, and correspondingly stores the event identifier and release identifier of the event to be released into the storage space indicated in the deduplication contract.

Further, in order to improve system performance, it is also possible to set the blockchain system to include multiple storage spaces. After the blockchain system generates the event identifier according to the release identifier, the corresponding relationship between the two can be stored in the storage space indicated by the deduplication contract according to the release identifier. Optionally, the block system can determine the storage space indicated by the export and remittance contract from multiple storage spaces according to the timestamp of the release identifier of the event to be released, and store the event identifier and release identifier of the event to be released to the destination. In the storage space indicated by the contract. Correspondingly, when judging whether the event identifier corresponding to the release identifier is stored in the blockchain system, it is also possible to first determine the storage space indicated by the deduplication contract according to the time stamp of the release identifier of the event to be released, and use the storage space Check whether the event ID corresponding to the release ID is stored. In addition, the solution can also calculate the hash value of the release flag, take the key fields of the release flag, etc., to determine the storage space indicated by the deduplication contract. Exemplarily, the mapping structure mapping may be used to implement the mapping between the deduplication contract and multiple storage spaces. This solution can expand the space in the blockchain system for storing the corresponding relationship between the release ID and the event ID, and further improve the system performance.

In the above embodiment, after the blockchain system receives the transaction request sent by the publishing server, it does not directly generate a transaction log recording the event to be published, but first calls the deduplication contract to determine whether there is an event to be published in the blockchain system. If there is an event ID corresponding to the release ID, it can be determined that the event to be released has been successfully released to the blockchain system without re-publishing, that is, to prevent the publishing server from publishing the same event to the blockchain system, reducing the number of blocks The chain system processes the number of events at the same time, reduces the work pressure of the blockchain system, and prevents consumers from subscribing to the same event, improving user experience.

Based on the same inventive concept, FIG. 3 exemplarily shows the structure of a blockchain event deduplication device provided by an embodiment of the present invention, and the device can execute the process of the blockchain event deduplication method.

The transceiver unit 301 is configured to receive a transaction request sent by the publishing server; the transaction request is used to request the publication of an event; the transaction request includes the publication identifier of the event to be published;

The processing unit 302 is configured to call the deduplication contract to determine whether the event identifier corresponding to the release identifier is stored in the blockchain system; the event identifier is used to uniquely identify the published event;

The processing unit 302 is further configured to, if it is determined that the event identifier corresponding to the release identifier is stored in the blockchain system, control the transceiver unit 301 to send the event identifier corresponding to the release identifier to the release server.

Optionally, the processing unit 302 is further configured to:

Control the transceiver unit 301 to send the event identifier of the event to be published to the publishing server, and store the event identifier of the event to be published and the release identifier in the storage space indicated by the deduplication contract. .

Optionally, the deduplication contract is set with a maximum storage duration;

The processing unit 302 is further configured to:

Optionally, the blockchain system includes multiple storage spaces;

The processing unit 302 is specifically configured to:

Optionally, the processing unit 302 is specifically configured to:

Based on the same inventive concept, FIG. 4 exemplarily shows the structure of a blockchain event deduplication device provided by an embodiment of the present invention, and the device can execute the process of the blockchain event deduplication method.

The sending unit 401 is used to send a deployment request to the blockchain system; the deployment request is used to deploy a deduplication contract in the blockchain system; the deduplication contract is used to determine whether the blockchain system is stored to be released The event identifier corresponding to the issue identifier of the event; the event identifier is used to uniquely identify the published event;

The receiving unit 402 is configured to receive a deployment response, where the deployment response is used to indicate that the deduplication contract is successfully deployed.

Based on the same inventive concept, an embodiment of the present invention also provides a computer device, including:

Memory, used to store program instructions;

Based on the same inventive concept, embodiments of the present invention also provide a computer-readable non-volatile storage medium, including computer-readable instructions. When the computer reads and executes the computer-readable instructions, the computer executes the aforementioned blocks. Chain event de-duplication method.

Based on the same inventive concept, embodiments of the present invention also provide a computer program product. The computer program product includes a computing program stored on a non-transitory computer-readable storage medium. The computer program includes program instructions. When the instructions are executed by the computer, the computer executes the above-mentioned blockchain event deduplication method.

Based on the same principle, the present invention also provides an electronic device, as shown in FIG. 5, including:

Including a processor 501, a memory 502, a transceiver 503, and a bus interface 504, wherein the processor 501, the memory 502 and the transceiver 503 are connected through the bus interface 504;

The processor 501 is configured to read a program in the memory 502 and execute the above-mentioned blockchain event deduplication method; the method includes:

Obtain the smart contract to be released;

Traverse the smart contracts to be released, and determine the dependencies between the smart contracts to be released;

According to the dependency relationship, N dependency trees are established, and one node of the dependency tree corresponds to a smart contract; N≥1;

For any dependency tree, starting from the leaf nodes of the dependency tree and ending with the root node of the dependency tree, the smart contracts corresponding to each node are issued in sequence.

The processor 501 may be a central processing unit (central processing unit, CPU for short), a network processor (NP for short), or a combination of CPU and NP. It can also be a hardware chip. The aforementioned hardware chip may be an application-specific integrated circuit (ASIC for short), a programmable logic device (PLD for short), or a combination thereof. The above-mentioned PLD can be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a generic array logic (generic array logic, GAL), or any of them combination.

The memory 502 is configured to store one or more executable programs, and can store data used by the processor 501 when performing operations.

Specifically, the program may include program code, and the program code includes computer operation instructions. The memory 502 may include a volatile memory (volatile memory), such as random-access memory (RAM for short); the memory 502 may also include a non-volatile memory (non-volatile memory), such as flash memory ( flash memory, hard disk drive (HDD for short) or solid-state drive (SSD for short); the memory 502 may also include a combination of the foregoing types of memory.

The memory 502 stores the following elements, executable modules or data structures, or their subsets, or their extended sets:

Operating instructions: including various operating instructions, used to implement various operations.

Operating system: including various system programs, used to implement various basic services and process hardware-based tasks.

The bus interface 504 may be a wired communication access port, a wireless bus interface or a combination thereof, where the wired bus interface may be, for example, an Ethernet interface. The Ethernet interface can be an optical interface, an electrical interface or a combination thereof. The wireless bus interface may be a WLAN interface.

The present invention is described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and/or block in the flowchart and/or block diagram, and the combination of processes and/or blocks in the flowchart and/or block diagram can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment are generated It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device. The device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment. The instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.

Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. In this way, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

A method for deduplication of blockchain events, which is characterized in that it includes:

The block chain system receives the transaction request sent by the publishing server; the transaction request is used to request the publication of the event; the transaction request includes the publication identification of the event to be published;

The blockchain system calls a deduplication contract to determine whether an event identifier corresponding to the release identifier is stored in the blockchain system; the event identifier is used to uniquely identify the published event;

If the blockchain system determines that the event identifier corresponding to the release identifier is stored in the blockchain system, it sends the event identifier corresponding to the release identifier to the publishing server.
The method of claim 1, further comprising:

If the blockchain system determines that the event identifier corresponding to the release identifier is not stored in the blockchain system, it calls the theme contract of the theme to which the event to be published belongs; the theme contract is used in the transaction log Record the event to be published and the event identifier of the event to be published;

The blockchain system sends the event identifier of the event to be published to the publishing server, and stores the event identifier of the event to be published and the release identifier in the storage space indicated by the deduplication contract. .
The method of claim 2, wherein the deduplication contract is set with a maximum storage duration;

The method also includes:

The blockchain system deletes the correspondence relationship between the release identifier and the event identifier that reaches the maximum storage duration from the storage space indicated by the deduplication contract.
The method of claim 2, wherein the blockchain system includes multiple storage spaces;

The block chain system correspondingly storing the event identifier of the event to be released and the release identifier in the storage space indicated by the deduplication contract includes:

The blockchain system determines the storage space indicated by the deduplication contract from the plurality of storage spaces according to the release identifier of the event to be published; the event identifier of the event to be released and the release identifier Correspondingly stored in the storage space indicated by the deduplication contract.
The method according to any one of claims 1 to 4, wherein the blockchain system calling a deduplication contract comprises:

The blockchain system calls the theme contract of the theme to which the event to be published belongs, and calls the deduplication contract through the theme contract of the theme to which the event to be published belongs.
A method for deduplication of blockchain events, which is characterized in that it includes:

The publishing server sends a deployment request to the blockchain system; the deployment request is used to deploy a deduplication contract in the blockchain system; the deduplication contract is used to determine whether the blockchain system stores the release identifier of the event to be published Corresponding event identifier; the event identifier is used to uniquely identify the published event;

The publishing server receives a deployment response, where the deployment response is used to indicate that the deduplication contract is successfully deployed.
A block chain event de-duplication device is characterized in that it comprises:

The transceiver unit is configured to receive a transaction request sent by the publishing server; the transaction request is used to request the publication of the event; the transaction request includes the publication identification of the event to be published;

The processing unit is used to call the deduplication contract to determine whether the event identifier corresponding to the release identifier is stored in the blockchain system; the event identifier is used to uniquely identify the published event;

The processing unit is further configured to, if it is determined that the event identifier corresponding to the release identifier is stored in the blockchain system, control the transceiver unit to send the event identifier corresponding to the release identifier to the publishing server.
The device according to claim 7, wherein the processing unit is further configured to:

If it is determined that the event identifier corresponding to the release identifier is not stored in the blockchain system, call the theme contract of the theme to which the event to be published belongs; the theme contract is used to record the event to be published in the transaction log And the event identifier of the event to be released;

Control the transceiver unit to send the event identifier of the event to be published to the publishing server, and correspondingly store the event identifier of the event to be published and the release identifier in the storage space indicated by the deduplication contract.
The device according to claim 8, wherein the deduplication contract is set with a maximum storage duration;

The processing unit is also used for:

The correspondence relationship between the release identifier and the event identifier that reaches the maximum storage duration is deleted from the storage space indicated by the deduplication contract.
The device according to claim 8, wherein the blockchain system includes multiple storage spaces;

The processing unit is specifically used for:

According to the release identifier of the event to be released, the storage space indicated by the deduplication contract is determined from the multiple storage spaces; the event identifier of the event to be released and the release identifier are correspondingly stored in the destination Re-contract indicates in the storage space.
The device according to any one of claims 7 to 10, wherein the processing unit is specifically configured to:

Call the theme contract of the theme to which the event to be published belongs, and call the deduplication contract through the theme contract of the theme to which the event to be published belongs.
A block chain event de-duplication device is characterized in that it comprises:

The sending unit is used to send a deployment request to the blockchain system; the deployment request is used to deploy a deduplication contract in the blockchain system; the deduplication contract is used to determine whether there are events to be published in the blockchain system The event identifier corresponding to the release identifier of, the event identifier is used to uniquely identify the published event;

The receiving unit is configured to receive a deployment response, where the deployment response is used to indicate that the deduplication contract is successfully deployed.
A computer device, characterized in that it comprises:

Memory, used to store program instructions;

The processor is configured to call the program instructions stored in the memory, and execute the method according to any one of claims 1 to 6 according to the obtained program.
A computer-readable non-volatile storage medium, characterized by comprising computer-readable instructions, when the computer reads and executes the computer-readable instructions, the computer is caused to execute any one of claims 1 to 6 Methods.
A computer program product, characterized in that, the computer program product includes a calculation program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer, The computer executes the method described in any one of claims 1 to 6.