WO2021082340A1

WO2021082340A1 - Data processing method, apparatus, system, and storage medium

Info

Publication number: WO2021082340A1
Application number: PCT/CN2020/080153
Authority: WO
Inventors: 王�义; 孙海波
Original assignee: 北京海益同展信息科技有限公司
Priority date: 2019-10-30
Filing date: 2020-03-19
Publication date: 2021-05-06
Also published as: CN110740044B; CN110740044A

Abstract

The present disclosure relates to the technical field of blockchains, and relates to a data processing method, an apparatus, a system, and a storage medium. The data processing method comprises: storing resource exchange information sent by a first blockchain service system and a second blockchain service system; sending the storage address of the resource exchange information to a verification node of the first blockchain service system and a verification node of the second blockchain service system so as to perform verification; sending verification results sent by the verification nodes and the storage address of the resource exchange information to the first blockchain service system and the second blockchain service system; obtaining execution results from executing resource exchange, which are separately sent by the first blockchain service system and the second blockchain service system in response to verification passing; and storing the execution results. Therefore, the execution efficiency and flexibility of cross-chain resource exchange are improved.

Description

Data processing method, device, system and storage medium

Cross-references to related applications

This application is based on the application whose CN application number is 201911040777.X and the application date is October 30, 2019, and claims its priority. The disclosure of this CN application is hereby incorporated into this application as a whole.

Technical field

The present disclosure relates to the field of blockchain technology, and in particular to a data processing method, device, system and storage medium.

Background technique

In related technologies, most blockchain-based resource transfers are transfers between accounts of different users on the same blockchain. There are also some cross-chain technologies and applications that can assist in the exchange or transfer of resources between different blockchains, such as the notary mechanism, the side-chain and relay-based mechanism, and the cross-chain technology based on the hash lock mechanism.

The notary mechanism needs to introduce a trusted third party recognized by both blockchain systems, and the trusted third party will confirm and verify blockchain transactions. The mechanism based on side chains and relays requires the introduction of a new blockchain system. In the mechanism based on hash locking, the two blockchain systems participating in the cross-chain resource exchange need to lock the digital currency and confirm it within the set transaction time to complete the transaction.

Summary of the invention

After analysis, the inventor found that the notary mechanism and the mechanism based on side chains and relays need to introduce other trusted systems or other blockchains to ensure the reliability of cross-chain operations, resulting in low execution efficiency and limited use. The hash lock method has the problem of limited application scenarios. Therefore, the current cross-chain operation has poor flexibility and low efficiency.

A technical problem to be solved by the embodiments of the present disclosure is: how to improve the execution efficiency and flexibility of blockchain cross-chain operations.

According to a first aspect of some embodiments of the present disclosure, there is provided a data processing method, including: responding to a request of a first user to initiate resource exchange through a first blockchain business system, and a second user through a second blockchain The business system sends a response to the consent request, and stores the resource exchange information sent by the first blockchain business system and the second blockchain business system; sends the storage address of the resource exchange information to the first blockchain business system The verification node of the verification node and the verification node of the second blockchain business system are verified; the verification result sent by the verification node and the storage address of the resource exchange information are sent to the first blockchain business system and the second blockchain business system; Obtain the execution results of the execution resource exchange respectively sent by the first blockchain business system and the second blockchain business system in response to passing the verification; and store the execution results.

In some embodiments, the resource exchange includes transferring the resources of the first user in the second blockchain to the second user's account in the second blockchain, and transferring the resources of the second user in the first blockchain to The account of the first user on the first blockchain.

In some embodiments, the resource exchange information includes: first information sent by the first blockchain business system, and the first information includes transferring the resources of the first user in the second blockchain to the second user in the second area Information about the account of the blockchain; and, the second information sent by the second blockchain business system, the second information includes transferring the resources of the second user in the first blockchain to the first user in the first blockchain Account information.

In some embodiments, the first information is generated by the first blockchain business system and includes at least one of the signature of the second user and the first valid time; and the second information is the second blockchain business system The generated data includes at least one of the signature of the first user and the second valid time, where the second valid time is longer than the first valid time.

In some embodiments, sending the storage address of the resource exchange information to the verification node of the first blockchain business system and the verification node of the second blockchain business system includes: sending the storage address of the first information to the second The verification node of the blockchain business system, and the storage address of the second information is sent to the verification node of the first blockchain business system.

In some embodiments, the storage address of the resource exchange information is sent to the verification node of the first blockchain business system, where the verification node of the first blockchain business system is randomly determined or determined by the first region. Designated by the blockchain business system; and, sending the storage address of the resource exchange information to the verification node of the second blockchain business system, where the verification node of the second blockchain business system is randomly determined, or Specified by the second blockchain business system.

In some embodiments, upload the resource exchange information sent by the first blockchain business system and the second blockchain business system to the distributed file system for storage; and upload the execution result to the distributed file system Store it.

In some embodiments, the distributed file system is the Interplanetary File System IPFS.

In some embodiments, the information exchanged by the resource is encoded in the XDR format expressed by external data.

According to a second aspect of some embodiments of the present invention, a data processing device is provided, including: a storage module configured to respond to a request of a first user to initiate resource exchange through a first blockchain business system, and a second user Send the response of the consent request through the second blockchain business system, store the resource exchange information sent by the first blockchain business system and the second blockchain business system, and store the execution result of the resource exchange; The storage address sending module is configured to send the storage address of the resource exchange information to the verification node of the first blockchain business system and the verification node of the second blockchain business system for verification; the verification result sending module is configured to The verification result sent by the verification node and the address of the storage information of the resource exchange are sent to the first blockchain business system and the second blockchain business system; and the execution result obtaining module is configured to obtain the first blockchain service The system and the second blockchain business system respectively send execution results of executing resource exchange in response to the verification being passed.

According to a third aspect of some embodiments of the present invention, there is provided a data processing device, including: a memory; and a processor coupled to the memory, the processor being configured to execute any of the foregoing based on instructions stored in the memory Data processing method.

According to a fourth aspect of some embodiments of the present invention, a data processing system is provided, including: any one of the foregoing data processing devices; a first blockchain business system; and a second blockchain business system.

In some embodiments, the data processing system further includes: a first verification node of the first blockchain business system, configured to obtain the second information according to the storage address of the second information, and to verify the second information; and, The second verification node of the second blockchain business system is configured to obtain the first information according to the storage address of the first information, and to verify the first information.

In some embodiments, the first blockchain business system is further configured to obtain the verification result and the storage address of the second information, and if the verification is passed, generate a block based on the second information and store the corresponding block To the blockchain corresponding to the first blockchain business system; and, the second blockchain business system is further configured to obtain the verification result and the storage address of the first information, and if the verification is passed, according to the first The information generates a block and stores the corresponding block in the block chain corresponding to the second block chain business system.

In some embodiments, the first blockchain business system and the second blockchain business system are both blockchain business systems based on the alliance chain.

In some embodiments, the data processing system further includes a storage device configured to store the resource exchange information sent by the first blockchain business system and the second blockchain business system and the execution result of the resource exchange.

According to a fifth aspect of some embodiments of the present disclosure, there is provided a computer-readable storage medium on which a computer program is stored, wherein the program is executed by a processor to implement any of the foregoing data processing methods.

Some of the embodiments in the above disclosure have the following advantages or beneficial effects: The embodiments of the present disclosure can realize cross-chain resource exchange without using a third-party business system or a third-party blockchain, which improves execution efficiency and flexibility, and is suitable for multiple applications. Kind of application scenarios.

Through the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings, other features and advantages of the present disclosure will become clear.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings may be obtained based on these drawings without creative labor.

Fig. 1 shows a schematic flowchart of a data processing method according to some embodiments of the present disclosure.

Fig. 2 shows a schematic flowchart of a method for verifying information exchanged by resources according to some embodiments of the present disclosure.

Fig. 3 shows a schematic flowchart of a method for performing resource exchange according to some embodiments of the present disclosure.

Fig. 4 shows a schematic structural diagram of a data processing device according to some embodiments of the present disclosure.

Fig. 5 shows a schematic structural diagram of a data processing system according to some embodiments of the present disclosure.

Fig. 6 shows a schematic structural diagram of a data processing device according to other embodiments of the present disclosure.

Fig. 7 shows a schematic structural diagram of a data processing device according to still other embodiments of the present disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, and in no way serves as any limitation to the present disclosure and its application or use. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure.

At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn in accordance with actual proportional relationships.

The technologies, methods, and equipment known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be regarded as part of the authorization specification.

In all examples shown and discussed herein, any specific value should be construed as merely exemplary, and not as a limitation. Therefore, other examples of the exemplary embodiment may have different values.

It should be noted that similar reference numerals and letters indicate similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

Fig. 1 is a schematic flowchart of a data processing method according to some embodiments of the present disclosure. In this embodiment, the first blockchain business system is a business system based on the first blockchain, and the second blockchain business system is a business system based on the second blockchain. The business system may include blockchain nodes for performing blockchain-related operations, and servers for external business interactions. The functions of the server and the blockchain node can also be co-located on the same device. Each of the first user and the second user has an account on the first blockchain and the second blockchain. As shown in Fig. 1, the data processing method of this embodiment includes steps S102 to S112.

In step S102, the first user initiates a request for resource exchange through the first blockchain business system, and the second user sends a response agreeing to the request through the second blockchain business system.

In some embodiments, the first user and the second user want to exchange resources, including transferring the resources of the first user in the second blockchain to the account of the second user in the second blockchain, and transferring the resources of the second user The resources in the first blockchain are transferred to the first user's account in the first blockchain.

In some embodiments, the first blockchain business system and the second blockchain business system are both blockchain business systems based on a consortium chain, and the consortium chain may be a Stellar consortium chain, for example.

In some embodiments, after obtaining the request for resource exchange initiated by the first user sent by the first blockchain business system, the requested information is notified to the second blockchain business system. The requested information includes, for example, resources Exchange identification, transaction content, etc.; then, in response to the second user sending a response to the consent request through the second blockchain business system, the resource exchange is sent to the first blockchain business system and the second blockchain business system Corresponding verification node and other information, and can also send the identification of resource exchange.

In step S104, the resource exchange information sent by the first blockchain business system and the second blockchain business system is stored.

In some embodiments, the resource exchange information is encoded in an external data representation (External Data Representation, XDR for short) format.

In some embodiments, the information of the resource exchange includes the participants of the resource exchange, the name and quantity of the resource being exchanged, signature information, valid time, and so on.

The storage location of the information exchanged by the resource is the location that the verification node can access. In some embodiments, the resource exchange information sent by the first blockchain business system and the second blockchain business system is uploaded to the distributed file system for storage, so that the first blockchain business system and the second district The verification node of the blockchain business system can read it. The distributed file system may be, for example, the InterPlanetary File System (IPFS).

In step S106, the storage address of the resource exchange information is sent to the verification node of the first blockchain business system and the verification node of the second blockchain business system for verification.

The verification node can obtain the resource exchange information according to the obtained storage address for verification. The content of the verification may include, for example, whether the remaining resources of the first user or the second user are sufficient for this resource exchange, whether the signature in the information of the resource exchange is legal, and so on. In some embodiments, the verification node is a blockchain node.

In some embodiments, after the second user agrees to the response, the information of the corresponding verification node may be sent to each of the first blockchain business system and the second blockchain business system.

In some embodiments, the verification node is not fixed, but is specified for each resource exchange.

In some embodiments, the verification nodes of the first blockchain business system and the second blockchain business system are randomly determined.

In some embodiments, a block chain node designated by at least one of the first block chain business system and the second block chain business system is obtained as a verification node; the verification node is not specified in the first block chain business system In this case, the verification node of the first blockchain business system is randomly determined; in the case that the second blockchain business system does not specify a verification node, the verification node of the second blockchain business system is randomly determined. That is, in the case where the user does not specify the verification node, the blockchain node in the blockchain business system is randomly determined as the verification node.

Through random verification, the credibility of verification can be further improved, and the security of cross-chain resource exchange can be improved.

In some embodiments, the storage address of the verification program is also sent to the verification node, so that the verification node performs verification by executing the verification program.

In step S108, the storage address of the verification result and resource exchange information sent by the verification node is sent to the first blockchain business system and the second blockchain business system.

In step S110, the execution results of executing resource exchange respectively sent by the first blockchain business system and the second blockchain business system in response to the verification passed are obtained.

For example, the first blockchain business system and the second blockchain business system can respectively generate corresponding blocks and record them in their own systems.

In step S112, the execution result is stored.

Through the method of the above embodiment, when the cross-chain resource exchange between the two blockchain business systems is performed, the verification node in each blockchain business system can verify, and the information and execution results of the resource exchange can be verified Centralized storage for traceability and inquiries. Therefore, cross-chain resource exchange can be realized without the aid of a third-party business system or a third-party blockchain, which improves execution efficiency and flexibility, and is suitable for a variety of application scenarios.

In some embodiments, the information of resource exchange includes the first information of resource exchange sent by the first user through the first blockchain business system and the second information of resource exchange sent by the second user through the second blockchain business system. . The first information includes the transfer of the resources of the first user in the second blockchain to the second user's account in the second blockchain, and the second information includes the transfer of the resources of the second user in the first blockchain to The account information of the first user in the first blockchain. The verification node can verify part of the operations involved in the resource exchange in the blockchain business system where the verification node is located. The following describes an embodiment of the method for verifying information exchanged by resources of the present disclosure with reference to FIG. 2.

Fig. 2 is a schematic flowchart of a method for verifying information exchanged by resources according to some embodiments of the present disclosure. As shown in Figure 2, the method of this embodiment includes steps S202 to S220. These steps may be executed after the first user and the second user both agree to perform cross-chain resource transfer. In order to facilitate the description in the figure, the execution subjects of steps S204, S206, S210, S212, S214, and S218 are shown in FIG. 2 by taking the "data processing device" as an example. According to needs, the execution subject may also be other devices, such as a message service device, a process control device, etc., which will not be repeated here.

In step S202, the first blockchain business system generates first information for resource exchange.

In some embodiments, the first blockchain service system adds at least one of the signature of the second user and the first valid time to the first information.

In step S204, the first information of resource exchange sent by the first blockchain service system is acquired.

In step S206, the first information is stored.

In step S208, the second blockchain business system generates second information for resource exchange.

In some embodiments, the second blockchain service system adds at least one of the signature of the first user and the second valid time to the second information, wherein the second valid time is longer than the first valid time.

In step S210, the second information of resource exchange sent by the second blockchain service system is acquired.

In step S212, the second information is stored.

In step S214, the storage address of the first information is sent to the verification node of the second blockchain business system, which is referred to as the second verification node for short.

In step S216, the second verification node obtains the first information according to the storage address of the first information, and verifies the first information. For example, verifying whether the signature in the first message is legal, whether the first message has timed out, whether the remaining resources of the first user's account in the second blockchain business system support this resource exchange, and so on.

In step S218, the storage address of the second information is sent to the verification node of the first blockchain business system, which is referred to as the first verification node for short.

In step S220, the first verification node obtains the second information according to the storage address of the second information, and verifies the second information. For example, verifying whether the signature in the second information is legal, whether the second information has timed out, whether the remaining resources of the second user's account in the first blockchain business system support this resource exchange, and so on.

The first blockchain business system and the second blockchain business system can use intermediate data processing devices and other devices to implement message transmission and process control.

Through the method of the foregoing embodiment, the verification node can verify the information of the resource exchange involved in the blockchain business system to which it belongs, so that the verification efficiency and security can be improved.

The following describes an embodiment of a method for performing resource exchange in the blockchain business system of the present disclosure with reference to FIG. 3.

Fig. 3 is a schematic flowchart of a method for performing resource exchange according to some embodiments of the present disclosure. As shown in Fig. 3, the method of this embodiment includes steps S302 to S316. In order to facilitate the description in the figure, the execution subjects of steps S302, S306, S308, S310, S314, and S316 are shown in FIG. 3 by taking the "data processing device" as an example. According to needs, the execution subject may also be other devices, such as a message service device, a process control device, etc., which will not be repeated here.

In step S302, the verification result and the address of the second information exchanged with the resource are sent to the first blockchain service system.

In step S304, if the verification is passed, the first blockchain business system generates a block according to the second information, and stores the corresponding block in the blockchain corresponding to the first blockchain business system to execute Resource exchange.

The block generated by the first blockchain business system may include, for example, a description corresponding to the transfer of the resources of the second user in the first blockchain to the account of the first user in the first blockchain, and the identification of resource exchange, Time, information of the first user and the second user, etc. For example, the first blockchain business system can generate blocks through the corresponding blockchain nodes, and publish the blocks to the first blockchain business system, so that the first blockchain business system corresponds to the blockchain The other blockchain nodes verify the block and process the block into the chain.

In step S306, the execution result of the first blockchain business system is obtained.

In step S308, the execution result of the first blockchain business system is stored. For example, the execution result can also be stored in a distributed file system such as IPFS.

In step S310, the verification result and the address of the first information exchanged with the resource are sent to the second blockchain service system.

In step S312, if the verification is passed, the second blockchain business system generates a block according to the first information, and stores the corresponding block in the blockchain corresponding to the second blockchain business system to execute Resource exchange.

The block generated by the second blockchain business system may include, for example, a description corresponding to the transfer of the resources of the first user in the second blockchain to the account of the second user in the second blockchain, as well as the identification of resource exchange, Time, information of the first user and the second user, etc. The block processing method can refer to the description in step S304, which will not be repeated here.

In step S314, the execution result of the second blockchain business system is obtained. For example, the execution result can also be stored in a distributed file system such as IPFS.

In step S316, the execution result of the second blockchain business system is stored.

According to needs, the storage information of the execution result can also be fed back to the first blockchain business system and the second blockchain business system.

Through the method of the above embodiment, the information involved in each blockchain business system in the resource exchange process can be recorded in each blockchain business system, thereby further making the process of resource exchange traceable, preventing tampering, and improving resource exchange Security.

The following describes an embodiment of the data processing device of the present disclosure with reference to FIG. 4.

Fig. 4 is a schematic structural diagram of a data processing device according to some embodiments of the present disclosure. As shown in FIG. 4, the data processing device 400 of this embodiment includes: a storage module 4100 configured to respond to a request of a first user to initiate resource exchange through the first blockchain business system, and a second user to pass through the second area The block chain business system sends a response to the consent request, stores the resource exchange information sent by the first block chain business system and the second block chain business system, and stores the execution result of the resource exchange; the storage address sending module 4200, configured to send the storage address of the resource exchange information to the verification node of the first blockchain business system and the verification node of the second blockchain business system for verification; the verification result sending module 4300 is configured to verify The verification result sent by the node and the address of the storage information of the resource exchange are sent to the first blockchain business system and the second blockchain business system; and the execution result obtaining module 4400 is configured to obtain the first blockchain business system And the second blockchain business system respectively send the execution result of the resource exchange in response to the verification.

In some embodiments, the resource exchange information includes: first information sent by the first blockchain business system, and the first information includes transferring the resources of the first user in the second blockchain to the second user in the second area Information about the account of the blockchain; and, the second information sent by the second blockchain business system, the second information includes transferring the resources of the second user in the first blockchain to the first user in the first blockchain Account information

In some embodiments, the storage address sending module 4200 is further configured to send the storage address of the first information to the verification node of the second blockchain business system, and send the storage address of the second information to the first blockchain The verification node of the business system.

In some embodiments, the storage address sending module 4200 is further configured to send the storage address of the resource exchanged information to the verification node of the first blockchain business system, where the verification node of the first blockchain business system is Randomly determined or specified by the first blockchain business system; and sending the storage address of the resource exchange information to the verification node of the second blockchain business system, where the second blockchain business system The verification node is randomly determined or designated by the second blockchain business system.

In some embodiments, the storage module 4200 is further configured to upload the resource exchange information sent by the first blockchain business system and the second blockchain business system to the distributed file system for storage; upload the execution result to Stored in a distributed file system.

The following describes an embodiment of the data processing system of the present disclosure with reference to FIG. 5.

Fig. 5 is a schematic structural diagram of a data processing system according to some embodiments of the present disclosure. As shown in FIG. 5, the data processing system 50 of this embodiment includes: a data processing device 510; a first blockchain business system 520; and a second blockchain business system 530.

In some embodiments, the first blockchain business system 520 is further configured to obtain the verification result and the storage address of the second information, and in the case of passing the verification, generate a block according to the second information and transfer the corresponding block Stored in the blockchain corresponding to the first blockchain business system 520; and, the second blockchain business system 530 is further configured to obtain the verification result and the storage address of the first information, and if the verification is passed, A block is generated according to the first information, and the corresponding block is stored in the block chain corresponding to the second block chain business system 530.

In some embodiments, the first blockchain service system 520 is further configured to generate first information for resource exchange, and add at least one of the signature of the second user and the first valid time to the first information; second The blockchain business system 530 is further configured to generate second information for resource exchange, and add at least one of the first user’s signature and a second valid time to the second information, wherein the second valid time is longer than the first valid time. time.

In some embodiments, the data processing system 50 further includes: a first verification node 540 of the first blockchain business system 520, configured to obtain the second information according to the storage address of the second information, and to verify the second information And, the second verification node 550 of the second blockchain business system 530 is configured to obtain the first information according to the storage address of the first information, and to verify the first information.

In some embodiments, the data processing system 50 further includes: a storage device 560 configured to store the resource exchange information sent by the first blockchain business system 520 and the second blockchain business system 530 and perform the execution of the resource exchange result.

Fig. 6 is a schematic structural diagram of a data processing device according to other embodiments of the present disclosure. As shown in FIG. 6, the data processing device 60 of this embodiment includes a memory 610 and a processor 620 coupled to the memory 610. The processor 620 is configured to execute any one of the foregoing implementations based on instructions stored in the memory 610. The data processing method in the example.

Among them, the memory 610 may include, for example, a system memory, a fixed non-volatile storage medium, and the like. The system memory stores, for example, an operating system, an application program, a boot loader (Boot Loader), and other programs.

Fig. 7 is a schematic structural diagram of a data processing device according to still other embodiments of the present disclosure. As shown in FIG. 7, the data processing apparatus 70 of this embodiment includes a memory 710 and a processor 720, and may also include an input/output interface 730, a network interface 740, a storage interface 750, and the like. These

interfaces

730, 740, 750, and the memory 710 and the processor 720 may be connected via a bus 760, for example. Among them, the input and output interface 730 provides a connection interface for input and output devices such as a display, a mouse, a keyboard, and a touch screen. The network interface 740 provides a connection interface for various networked devices. The storage interface 750 provides a connection interface for external storage devices such as SD cards and U disks.

The embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, characterized in that, when the program is executed by a processor, any one of the aforementioned data processing methods is implemented.

Those skilled in the art should understand that the embodiments of the present disclosure can be provided as a method, a system, or a computer program product. Therefore, the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable non-transitory storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes. .

The present disclosure is described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present disclosure. 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 or more processes in the flowchart and/or one or more 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 the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

The above descriptions are only preferred embodiments of the present disclosure and are not intended to limit the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection of the present disclosure. Within range.

Claims

A data processing method, including:

In response to the first user's request for resource exchange through the first blockchain business system, and the second user sends a response agreeing to the request through the second blockchain business system, the first blockchain business system and Storing the resource exchange information sent by the second blockchain business system;

Sending the storage address of the resource exchange information to the verification node of the first blockchain business system and the verification node of the second blockchain business system for verification;

Sending the verification result sent by the verification node and the storage address of the resource exchange information to the first blockchain business system and the second blockchain business system;

Obtain the execution results of the resource exchange respectively sent by the first blockchain business system and the second blockchain business system in response to passing the verification; and

Store the execution result.
The data processing method according to claim 1, wherein the resource exchange includes transferring the resources of the first user in the second blockchain to the second user in the second blockchain. Account, and transferring the resources of the second user in the first blockchain to the account of the first user in the first blockchain.
The data processing method according to claim 2, wherein the information exchanged by the resource comprises:

The first information sent by the first blockchain business system, where the first information includes transferring the resources of the first user in the second blockchain to the second user in the second area Information about the blockchain account; and

The second information sent by the second blockchain business system, where the second information includes transferring the resources of the second user in the first blockchain to the first user in the first area Information about the account of the blockchain.
The data processing method according to claim 3, wherein:

The first information is generated by the first blockchain business system and includes at least one of the signature of the second user and the first valid time; and

The second information is generated by the second blockchain service system and includes at least one of the signature of the first user and a second valid time, wherein the second valid time is longer than the first valid time.
The data processing method according to claim 3, wherein the storage address of the information exchanged by the resource is sent to the verification node of the first blockchain business system and the verification node of the second blockchain business system Verification nodes include:

The storage address of the first information is sent to the verification node of the second blockchain business system, and the storage address of the second information is sent to the verification node of the first blockchain business system.
The data processing method according to claim 1, wherein:

The storage address of the resource exchange information is sent to the verification node of the first blockchain business system, where the verification node of the first blockchain business system is randomly determined or is determined by the first blockchain business system. Specified by a blockchain business system; and

The storage address of the information exchanged by the resource is sent to the verification node of the second blockchain business system, where the verification node of the second blockchain business system is randomly determined or is determined by the second blockchain business system. 2. As specified by the blockchain business system.
The data processing method according to claim 1, wherein:

Uploading the resource exchange information sent by the first blockchain business system and the second blockchain business system to a distributed file system for storage; and

Upload the execution result to the distributed file system for storage.
8. The data processing method according to claim 7, wherein the distributed file system is the Interplanetary File System (IPFS).
The data processing method according to claim 1, wherein the information exchanged by the resource is encoded in an XDR format expressed by external data.
A data processing device includes:

The storage module is configured to respond to the first user’s request to initiate resource exchange through the first blockchain business system, and the second user sends a response agreeing to the request through the second blockchain business system, to transfer the first Storing the resource exchange information sent by the blockchain business system and the second blockchain business system, and storing the execution result of executing the resource exchange;

The storage address sending module is configured to send the storage address of the resource exchange information to the verification node of the first blockchain business system and the verification node of the second blockchain business system for verification;

A verification result sending module configured to send the verification result sent by the verification node and the address of the storage information of the resource exchange to the first blockchain business system and the second blockchain business system; and

The execution result obtaining module is configured to obtain the execution result of executing resource exchange respectively sent by the first blockchain business system and the second blockchain business system in response to the verification.
A data processing device includes:

Memory; and

A processor coupled to the memory, and the processor is configured to execute the data processing method according to any one of claims 1-9 based on instructions stored in the memory.
A data processing system includes:

The data processing device according to claim 10 or 11;

The first blockchain business system; and

The second blockchain business system.
The data processing system according to claim 12, further comprising:

The first verification node of the first blockchain business system is configured to obtain the second information according to the storage address of the second information, and to verify the second information; and

The second verification node of the second blockchain business system is configured to obtain the first information according to the storage address of the first information, and to verify the first information.
The data processing system according to claim 13, wherein:

The first blockchain business system is further configured to obtain the verification result and the storage address of the second information, and if the verification is passed, generate a block according to the second information and store the corresponding block To the blockchain corresponding to the first blockchain business system; and

The second blockchain business system is further configured to obtain the verification result and the storage address of the first information, and if the verification is passed, generate a block according to the first information and store the corresponding block To the block chain corresponding to the second block chain business system.
The data processing system according to claim 12, wherein the first blockchain business system and the second blockchain business system are both blockchain business systems based on the alliance chain.
The data processing system according to claim 12, further comprising:

The storage device is configured to store the resource exchange information sent by the first blockchain business system and the second blockchain business system and the execution result of the resource exchange.
A computer-readable storage medium having a computer program stored thereon, and when the program is executed by a processor, the data processing method according to any one of claims 1-9 is realized.