TWI770585B - Transaction method, device, and storage medium based on blockchain - Google Patents

Abstract

The present invention provides a transaction method, device, and storage medium based on blockchain. The method includes receiving an asset transferring request initiated by a first user; generating an asset transferring permission according to the asset transferring request; if a current blockchain time satisfies a first time condition, allowing to transfer an asset specified by an asset transferring content from the first account address to the second account address; receiving an asset transaction request initiated by a second user; generating an asset transaction permission according to the asset transaction request, wherein the asset transaction permission includes the second account address, a third account address corresponding to a third user, a transaction asset content, and a second time condition; if the current blockchain time satisfies the second time condition, allowing the second user and the third user to trade according to the transaction asset content.

Description

Blockchain-based transaction method, device and readable storage medium

The present invention relates to the technical field of blockchain, and in particular, to a blockchain-based transaction method, device and readable storage medium.

In the conventional blockchain, when conducting transactions, user A is authorized to obtain a certain amount of tokens from user B through the approval interface. However, in the process of transferring the above tokens, there is no time limit. Therefore, Payment methods are not flexible enough.

In view of this, it is necessary to provide a blockchain-based transaction method, device and computer-readable storage medium, which can limit the time in the transaction process and increase the flexibility of payment methods.

An embodiment of the present invention provides a blockchain-based transaction method, the method includes: receiving an asset transfer request initiated by a first user; An asset transfer license is generated according to the asset transfer request, where the asset transfer license includes a first account address corresponding to the first user, a second account address corresponding to the second user, and the content of the transferred assets and the first time condition; if the time of the current blockchain satisfies the first time condition, it is allowed to transfer the assets specified by the content of the transferred assets from the first account address to the second account address; Receive an asset transaction request initiated by the second user; generate an asset transaction permission according to the asset transaction request, where the asset transaction permission includes the second account address, the third account address corresponding to the third user, and the transaction Asset content and second time condition; if the time of the current blockchain meets the second time condition, the second user and the third user are allowed to conduct transactions according to the transaction asset content.

Preferably, the first user and the third user are the same user, and the first account address and the third account address are the same.

Preferably, the method further comprises: if the time of the current blockchain does not satisfy the first time condition, disallowing the transfer of the asset from the first account address to the second account address; and if the current time When the time of the blockchain does not meet the second time condition, the second user and the third user are not allowed to conduct transactions according to the content of the transaction assets.

Preferably, the method further includes: If the time of the current blockchain does not meet the first time condition, receiving a request for revocation of asset transfer initiated by the first user; and revoking the transfer from the first account address according to the revocation of the asset transfer request Permission to transfer the asset specified by the transfer asset content to the second account address.

Preferably, the method further comprises: if the time of the current blockchain does not meet the first time condition, receiving a request for modifying the asset transfer initiated by the first user; and according to the modifying the asset transfer request At least one of the transfer asset content or the first time condition is modified.

Preferably, the method further comprises: if the time of the current blockchain does not meet the second time condition, receiving a request for revoking an asset transaction initiated by the second user; the permission of the second user and the third user to conduct transactions according to the content of the transaction assets.

Preferably, the method further comprises: if the time of the current blockchain does not meet the second time condition, receiving a request for modifying an asset transaction initiated by the second user; and modifying the asset transaction request according to the modification of the asset transaction. at least one of the asset transaction content or the second time condition.

Preferably, the asset transfer request and the asset transaction request are stored by mapping, and the second account address, the transferred asset content and the first time condition can be obtained through the first account address , the third account address, the transaction asset content and the second time condition can be obtained through the second account address.

An embodiment of the present invention provides a blockchain-based transaction device, the device includes a processor and a memory, the memory stores a number of computer programs, and the processor is used for executing the computer programs stored in the memory. Steps to implement the blockchain-based transaction method described above.

An embodiment of the present invention provides a computer-readable storage medium. The computer-readable storage medium stores a plurality of instructions, and a plurality of the instructions can be executed by one or more processors, so as to realize the above-mentioned blockchain-based storage medium. The steps of the trading method.

Compared with the conventional technology, the above-mentioned blockchain-based transaction device, method and computer-readable storage medium can limit the time of the transaction when conducting transactions in the blockchain network, and realize similar check issuance, exchange, etc. function and more flexibility.

100: Blockchain-based transaction device

10: Memory

20: Processor

30: Blockchain-based transaction programs

101: Generating Mods

102: Licensed Mods

103: Undo Mods

104: Update Mods

FIG. 1 is a functional block diagram of a blockchain-based transaction device according to an embodiment of the present invention.

FIG. 2 is a functional module diagram of a blockchain-based transaction program according to an embodiment of the present invention.

FIG. 3 is a flowchart of a blockchain-based transaction method according to an embodiment of the present invention.

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 and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be further noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements , but also other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Please also refer to FIG. 1 , which is a schematic diagram of a preferred embodiment of the blockchain-based transaction device of the present invention.

The transaction device 100 may be a server of a blockchain transaction platform. The transaction device 100 includes a memory 10 , a processor 20 , and a transaction program 30 stored in the memory 10 and executable on the processor 20 . When the processor 20 executes the transaction program 30 , the steps in the transaction method embodiment are implemented, for example, steps S1 to S4 shown in FIG. 3 . Alternatively, when the processor 20 executes the transaction program 30 , the functions of each module in the embodiment of the transaction program, such as modules 101 to 104 in FIG. 2 , are implemented.

The transaction program 30 can be divided into one or more modules, and the one or more modules are stored in the memory 10 and executed by the processor 20 to complete the present invention. Place The one or more modules may be a series of computer program instruction segments capable of performing specific functions, and the instruction segments are used to describe the execution process of the transaction program 30 in the transaction device 100 . For example, the transaction program 30 can be divided into a generation module 101, a license module 102, a revocation module 103, and an update module 104 in FIG. 2 . For the specific functions of each module, please refer to the function of each module in Figure 2 below.

Those skilled in the art can understand that the schematic diagram is only an example of the transaction device 100, and does not constitute a limitation on the transaction device 100, and may include more or less components than the one shown, or combine some components, or different Components, for example, the transaction apparatus 100 may also include network access equipment, bus bars, and the like.

The so-called processor 20 may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), dedicated integrated circuits (Application Specific Integrated Circuit, ASIC) , Off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor 20 may be any conventional processor, etc. The processor 20 may utilize various interfaces and busbars to connect various parts of the transaction device 100 .

The memory 10 can be used to store the transaction programs 30 and/or modules, and the processor 20 executes or executes the computer programs and/or modules stored in the memory 10, and calls the The data in the body 10 can realize various functions of the transaction device 100 . The memory 10 may include high-speed random access memory, and may also include non-volatile memory, such as hard disk, memory, plug-in hard disk, Smart Media Card (SMC), Secure Digital (Secure Digital, SD) Card, Flash Card, at least one disk memory device, flash memory device, or other non-volatile solid state memory device.

FIG. 2 is a functional module diagram of a preferred embodiment of the transaction program of the present invention.

Referring to FIG. 2 , the transaction program 30 may include a generation module 101 , a license module 102 , a revocation module 103 , and an update module 104 . In one embodiment, the above-mentioned modules may be programmable software instructions stored in the memory 10 and invoked by the processor 20 for execution. It can be understood that, in other embodiments, the above-mentioned module can also be a program instruction or firmware solidified in the processor 20 .

The generating module 101 is configured to receive an asset transfer request initiated by a first user, and generate an asset transfer license according to the asset transfer request, where the asset transfer license includes a corresponding asset transfer license corresponding to the first user. The first account address, the second account address corresponding to the second user, the content of the transferred assets, and the first time condition, the asset transfer permission indicates that when the current blockchain time satisfies the first time condition , allowing the asset specified by the transfer asset content to be transferred from the first account address to the second account address.

In this preferred embodiment, the asset transfer permission is stored in the form of mapping, and the second account address, the content of the transferred asset and the first time condition can be acquired through the first account address. The asset specified by the content of the transferred asset is the quantity of the first token (Token). The first time condition is later than the preset first time, earlier than the preset first time or within the preset first time range. For example, the asset transfer permission is "account address A=>account address B=>first time point=> "Number of First Tokens", indicating that account address A allows account address B to transfer the first number of tokens specified in account address A after the first time point. In this way, a function similar to issuing a check can be achieved.

If the time of the current blockchain satisfies the first time condition, the permission module 102 allows the asset specified by the transfer asset content to be transferred from the first account address to the second account address.

If the time of the current blockchain does not meet the first time condition, the permission module 102 does not allow the transfer of the asset specified by the transfer asset content from the first account address to the second account address.

It can be understood that if the time of the current blockchain does not meet the first time condition, the generation module 101 is further configured to receive a revocation asset transfer request initiated by the first user, and the revocation module 103 is used to revoke the permission to transfer the asset specified by the content of the transferred asset from the first account address to the second account address according to the asset transfer revocation request.

It can be understood that if the time of the current blockchain does not meet the first time condition, the generation module 101 also receives the modification asset transfer request initiated by the first user, and the update module 104 uses at least one of the content of the transferred asset or the first time condition is modified according to the modified asset transfer request.

The generating module 101 is further configured to receive an asset transaction request initiated by the second user, and generate an asset transaction license according to the asset transaction request, where the asset transaction license includes the second account address, and the first The third account address, transaction asset content and second time corresponding to the three users condition. The asset transaction permission indicates that when the current blockchain time meets the second time condition, the second user and the third user are allowed to conduct transactions according to the transaction asset content.

It can be understood that the first user and the third user may be the same user, and the first account address and the third account address are the same. In this case, the second user and the third account address A user conducts transactions directly. The first user and the third user may also be different users, and the first account address and the third account address may also be different. At this time, the second user conducts a transaction with a third user different from the first user.

In this preferred embodiment, the asset transaction permission is stored in the form of a map, and the third account address, the transaction asset content and the second time condition can be obtained through the second account address. The content of the transaction asset is the quantity of the second Token. The second time condition is later than the preset second time, earlier than the preset second time, or within the preset second time range. For example, the transaction asset permission is "account address B=>account address C=>second time point=>second token quantity", indicating that account address B allows account address C to trade specified assets after the second time point Number of second tokens. In this way, a function similar to cashing a check can be achieved.

If the time of the current blockchain satisfies the second time condition, the permission module 102 allows the second user and the third user to conduct transactions according to the content of the transaction assets.

It can be understood that, if the time of the current blockchain does not meet the second time condition, the permission module 102 does not allow the second user and the third user to conduct transactions according to the content of the transaction assets.

It can be understood that, if the time of the current blockchain does not meet the second time condition, the revocation module 103 also receives the request for revoking the asset transaction initiated by the second user, and revokes the request for revoking the asset transaction according to the revocation request. Permission to conduct transactions between the second user and the third user according to the transaction asset content.

It can be understood that, if the time of the current blockchain does not meet the second time condition, the update module 104 also receives the modification asset transaction request initiated by the second user, and modifies the asset transaction request according to the modification asset transaction request. At least one of the asset transaction content or the second time condition.

FIG. 3 is a flowchart of a transaction method in an embodiment of the present invention. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

In step S1, the generation module 101 receives an asset transfer request initiated by a first user, and generates an asset transfer license according to the asset transfer request, and the asset transfer license includes a corresponding asset transfer license corresponding to the first user. The first account address, the second account address corresponding to the second user, the content of the transferred assets, and the first time condition, the asset transfer permission indicates that when the current blockchain time satisfies the first time condition , allowing the asset specified by the transfer asset content to be transferred from the first account address to the second account address.

In this preferred embodiment, the asset transfer permission is stored in the form of mapping, and the second account address, the content of the transferred asset and the first time condition can be acquired through the first account address. The asset specified by the content of the transferred asset is the quantity of the first token (Token). The first time condition is later than the preset first time, earlier than the preset first time or within the preset first time range. For example, the asset transfer permission is "account address A=>account address B=>first time point=> "Number of First Tokens", indicating that account address A allows account address B to transfer the first number of tokens specified in account address A after the first time point. In this way, a function similar to issuing a check can be achieved.

Step S2, if the time of the current blockchain satisfies the first time condition, the permission module 102 allows the asset specified by the transfer asset content to be transferred from the first account address to the second. account address.

It can be understood that if the time of the current blockchain does not meet the first time condition, the permission module 102 does not allow the transfer of the assets specified by the content of the transferred assets from the first account address to the Second account address.

It can be understood that if the time of the current blockchain does not meet the first time condition, the generation module 101 receives the revocation asset transfer request initiated by the first user, and the revocation module 103 according to the The revocation asset transfer request revokes permission to transfer the asset specified by the transfer asset content from the first account address to the second account address.

It can be understood that, if the time of the current blockchain does not meet the first time condition, the generation module 101 also receives the modification asset transfer request initiated by the first user, and the update module 104 The modified asset transfer request modifies at least one of the transferred asset content or the first time condition.

Step S3, the generation module 101 receives the asset transaction request initiated by the second user, and generates an asset transaction license according to the asset transaction request, and the asset transaction license includes the second account address, and the third account address. User's corresponding third account address, transaction asset content and second time condition. The asset transaction permission indicates that when the current blockchain time meets the second time condition, the second user and the third user are allowed to conduct transactions according to the transaction asset content.

In this preferred embodiment, the asset transaction permission is stored in the form of a map, and the third account address, the transaction asset content and the second time condition can be obtained through the second account address. The content of the transaction asset is the quantity of the second Token. The second time condition is later than the preset second time, earlier than the preset second time, or within the preset second time range. For example, the transaction asset permission is "account address B=>account address C=>second time point=>second token quantity", indicating that account address B allows account address C to trade specified assets after the second time point Number of second tokens. In this way, a function similar to cashing a check can be achieved.

It can be understood that the first user and the third user may be the same user, and the first account and the third account are the same. At this time, the second user conducts transactions directly with the first user. The first user and the third user may also be different users, and the first account address and the third account address may also be different. At this time, the second user conducts a transaction with a third user different from the first user.

Step S4, if the time of the current blockchain satisfies the second time condition, the permission module 102 allows the second user and the third user to conduct transactions according to the content of the transaction assets.

It can be understood that, if the time of the current blockchain does not meet the second time condition, the permission module 102 does not allow the second user and the third user to conduct transactions according to the content of the transaction assets.

It can be understood that if the time of the current blockchain does not meet the second time condition, the generation module 101 also receives a request for revocation of an asset transaction initiated by the second user, and the revocation module 103 according to the The asset transaction revocation request revokes the permission of the second user and the third user to conduct transactions according to the transaction asset content.

It can be understood that if the time of the current blockchain does not meet the second time condition, the generation module 101 also receives a request to modify the asset transaction initiated by the second user, and the update module 104 according to the Modifying the asset transaction requests to modify at least one of the asset transaction content or the second time condition.

The above-mentioned blockchain-based transaction device, method and readable storage medium can limit the time of the transaction when conducting transactions in the blockchain network, and realize functions such as check issuance and exchange, which are more flexible.

For those skilled in the art, other corresponding changes or adjustments can be made according to the inventive solution and inventive concept of the present invention combined with the actual needs of production, and these changes and adjustments should all belong to the scope disclosed by the present invention.

100: Blockchain-based transaction device

10: Memory

20: Processor

30: Blockchain-based transaction programs

Claims (9)

A transaction method based on blockchain, the improvement is that the method comprises: receiving an asset transfer request initiated by a first user; generating an asset transfer license according to the asset transfer request, wherein the asset transfer license includes The address of the first account corresponding to the first user, the address of the second account corresponding to the second user, the content of the transferred assets, and the first time condition; if the current blockchain time satisfies the first time condition is allowed to transfer the assets specified by the content of the transferred assets from the first account address to the second account address; if the current blockchain time does not meet the first time condition, it is not allowed to transfer the assets specified by the transfer asset content to the second account address; The asset is transferred from the first account address to the second account address; an asset transaction request initiated by the second user is received; an asset transaction permission is generated according to the asset transaction request, and the asset transaction permission includes the The second account address, the third account address corresponding to the third user, the content of the transaction assets and the second time condition; if the time of the current blockchain meets the second time condition, the second use is allowed The user and the third user conduct transactions according to the content of the transaction assets; if the time of the current blockchain does not meet the second time condition, the second user and the third user are not allowed to The transaction asset content is traded. The blockchain-based transaction method according to claim 1, wherein the first user and the third user are the same user, and the first account address and the third account address are the same. The blockchain-based transaction method according to claim 1, wherein the method further comprises: if the time of the current blockchain does not meet the first time condition, receiving a withdrawal of assets initiated by the first user a transfer request; and revoking permission to transfer the asset specified by the transfer asset content from the first account address to the second account address according to the revocation asset transfer request. The blockchain-based transaction method according to claim 1, wherein the method further comprises: if the time of the current blockchain does not meet the first time condition, receiving a modified asset initiated by the first user a transfer request; and modifying at least one of the transferred asset content or the first time condition according to the modified asset transfer request. The blockchain-based transaction method according to claim 1, wherein the method further comprises: if the time of the current blockchain does not meet the second time condition, receiving a withdrawal of assets initiated by the second user a transaction request; and revoking the permission of the second user and the third user to conduct transactions according to the transaction asset content according to the revocation asset transaction request. The blockchain-based transaction method according to claim 1, wherein the method further comprises: if the time of the current blockchain does not meet the second time condition, receiving a modified asset initiated by the second user a transaction request; and modifying at least one of the asset transaction content or the second time condition according to the modification asset transaction request. The blockchain-based transaction method according to claim 1, wherein the asset transfer request and the asset transaction request are stored through mapping, and the second account address, The content of the transferred asset and the first time condition can be obtained through the second account address, the third account address, the content of the transaction asset and the second time condition. A transaction device based on block chain, the device includes a processor and a memory, and a number of computer programs are stored on the memory. The improvement is that when the processor is used to execute the computer program stored in the memory, the The steps of the blockchain-based transaction method described in any one of claim items 1 to 7. A computer-readable storage medium, which is improved in that the computer-readable storage medium stores a plurality of instructions, and a plurality of the instructions can be executed by one or more processors, so as to realize any one of claim 1 to 7 The steps of the blockchain-based transaction method.

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