WO2020096072A1 - Procédé et système de traitement efficace, en chaîne de blocs, d'un débit de transaction élevé requis par une dapp - Google Patents

Procédé et système de traitement efficace, en chaîne de blocs, d'un débit de transaction élevé requis par une dapp Download PDF

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Publication number
WO2020096072A1
WO2020096072A1 PCT/KR2018/013315 KR2018013315W WO2020096072A1 WO 2020096072 A1 WO2020096072 A1 WO 2020096072A1 KR 2018013315 W KR2018013315 W KR 2018013315W WO 2020096072 A1 WO2020096072 A1 WO 2020096072A1
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WIPO (PCT)
Prior art keywords
transaction
server
queue
blockchain
identifier
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PCT/KR2018/013315
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English (en)
Korean (ko)
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장호진
이지홍
이혜진
소홍섭
김재석
장은호
이홍규
Original Assignee
라인플러스 주식회사
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Priority to PCT/KR2018/013315 priority Critical patent/WO2020096072A1/fr
Priority to JP2021523193A priority patent/JP7339335B2/ja
Priority to KR1020217008151A priority patent/KR102553877B1/ko
Publication of WO2020096072A1 publication Critical patent/WO2020096072A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1042—Peer-to-peer [P2P] networks using topology management mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching

Definitions

  • the following description relates to a transaction processing method and system for efficiently processing a high transaction throughput required by a decentralized application (DApp) in a blockchain.
  • DApp decentralized application
  • Block-chain is an electronic ledger, implemented as a computer-based distributed, peer-to-peer (P2P) system composed of blocks for transactions.
  • Each transaction (Tx) is a data structure that encodes a control transmission of a digital asset between participants in a blockchain system, and includes at least one input and at least one output.
  • Each block is linked together, including the hash of the previous block, to create a permanent, unalterable record of all transactions recorded on the blockchain from the beginning.
  • Korean Patent Publication No. 10-2018-0113143 discloses a blockchain-based user-defined currency transaction system and its operation method.
  • a decentralized application refers to an application in which the backend code runs on a decentralized peer-to-peer network (or makes data calls and registrations to the blockchain database) and provides it as an interface in the front end.
  • the writing of the transaction in the blockchain is too slow because the process of creating a block and connecting it to the chain through consensus among nodes on the blockchain network is required, and the blockchain itself does not scale out. Does not. For example, adding a node to create a block in the blockchain network increases the cost of consensus for block creation, but does not increase the rate of block creation for transactions. Therefore, there is a problem in that it is difficult to handle the high transaction throughput required by the DApp on the blockchain.
  • the DApp By returning the transaction identifier to the DApp, the DApp provides a transaction processing method and system that can inquire whether the final commit is made to the block in the blockchain for the corresponding transaction.
  • Receiving a transaction requested by a decentralized application Generating a transaction identifier for the transaction; Transmitting a response including the generated transaction identifier to the D-App; And after the transaction to which the generated transaction identifier is assigned is stored in a queue included in the queue server, sequentially written to the blockchain by the consumer server, the transaction to which the generated transaction identifier is assigned is the It provides a transaction processing method comprising the step of transmitting to the queue server.
  • a computer program stored in a computer readable recording medium is provided to execute a transaction processing method on the computer device.
  • a computer device comprising at least one processor implemented to execute instructions readable by a computer, by the at least one processor, receiving a transaction requested by a decentralized application, and obtaining a transaction identifier for the transaction. After generating, sending a response including the generated transaction identifier to the dApp, and after the transaction to which the generated transaction identifier is assigned is stored in a queue included in the queue server, sequentially by a consumer server It provides a computer device, characterized in that for transmitting to the queue server, the transaction to which the generated transaction identifier is assigned, so as to be recorded on the blockchain.
  • Receives a transaction requested by a decentralized application generates a transaction identifier for the transaction, sends a response including the generated transaction identifier to the dApp, and transmits a transaction given the generated transaction identifier server;
  • a queue server that receives and stores the generated transaction identifier in a queue;
  • it provides a transaction processing system including a consumer (consumer) server that sequentially records the transactions stored in the queue of the queue server on the blockchain.
  • the high transaction throughput required by the decentralized application (DApp) can be efficiently processed on the blockchain.
  • the DApp can inquire whether the final commit is made to the block in the blockchain for the corresponding transaction.
  • FIG. 1 is a diagram showing an example of a network environment according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing an example of a computer device according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a schematic example of a transaction processing system according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating an example of a transaction processing method in an embodiment of the present invention.
  • a transaction processing system may be implemented by at least one computer device to be described later.
  • a computer program according to an embodiment of the present invention may be installed and driven in the computer device, and the computer device may perform a transaction processing method according to an embodiment of the present invention under control of the driven computer program.
  • the above-described computer program may be stored in a computer-readable recording medium in combination with a computer device to execute a transaction processing method on the computer device.
  • FIG. 1 is a diagram showing an example of a network environment according to an embodiment of the present invention.
  • the network environment of FIG. 1 shows an example including a plurality of electronic devices 110, 120, 130, 140, a plurality of servers 150, 160, and a network 170. 1 is an example for explaining the invention, and the number of electronic devices or the number of servers is not limited as shown in FIG. 1.
  • the network environment of FIG. 1 is merely an example of one of the environments applicable to the embodiments, and the environment applicable to the embodiments is not limited to the network environment of FIG. 1.
  • the plurality of electronic devices 110, 120, 130, and 140 may be a fixed terminal or a mobile terminal implemented as a computer device.
  • a plurality of electronic devices 110, 120, 130, 140
  • smart phones smart phones
  • mobile phones navigation, computers, notebooks, digital broadcasting terminals, PDA (Personal Digital Assistants), PMP (Portable Multimedia Player) ), Tablet PC, etc.
  • PDA Personal Digital Assistants
  • PMP Portable Multimedia Player
  • Tablet PC Tablet PC
  • the shape of a smartphone is shown as an example of the electronic device 1 110 in FIG. 1, in the embodiments of the present invention, the electronic device 1 110 substantially uses the wireless or wired communication method to connect the network 170. It may mean one of various physical computer devices capable of communicating with other electronic devices 120, 130, 140 and / or servers 150, 160.
  • the communication method is not limited, and a communication method using a communication network (for example, a mobile communication network, a wired Internet, a wireless Internet, and a broadcasting network) that the network 170 may include may include short-range wireless communication between devices.
  • the network 170 includes a personal area network (PAN), a local area network (LAN), a campus area network (CAN), a metropolitan area network (MAN), a wide area network (WAN), and a broadband network (BBN). , Any one or more of the networks such as the Internet.
  • PAN personal area network
  • LAN local area network
  • CAN campus area network
  • MAN metropolitan area network
  • WAN wide area network
  • BBN broadband network
  • the network 170 may include any one or more of a network topology including a bus network, a star network, a ring network, a mesh network, a star-bus network, a tree, or a hierarchical network. It is not limited.
  • Each of the servers 150 and 160 communicates with a plurality of electronic devices 110, 120, 130, and 140 through a network 170 to provide commands, codes, files, contents, services, or the like, or a plurality of computers. It can be implemented with devices.
  • the server 150 is a service (for example, a video call service, a financial service, a payment service, a social network service) with a plurality of electronic devices 110, 120, 130, and 140 accessed through the network 170. , Messaging service, search service, mail service, content provision service, question and answer service, etc.).
  • FIG. 2 is a block diagram showing an example of a computer device according to an embodiment of the present invention.
  • Each of the plurality of electronic devices 110, 120, 130, 140 described above or each of the servers 150, 160 may be implemented by the computer device 200 shown through FIG. 2, and an embodiment of the present invention The method according to the field may be performed by the computer device 200.
  • the computer device 200 may include a memory 210, a processor 220, a communication interface 230, and an input / output interface 240.
  • the memory 210 is a computer-readable recording medium, and may include a non-permanent mass storage device such as random access memory (RAM), read only memory (ROM), and a disk drive.
  • RAM random access memory
  • ROM read only memory
  • a non-destructive large-capacity recording device such as a ROM and a disk drive may be included in the computer device 200 as a separate permanent storage device separate from the memory 210.
  • an operating system and at least one program code may be stored in the memory 210. These software components may be loaded into the memory 210 from a computer-readable recording medium separate from the memory 210.
  • Such a separate computer-readable recording medium may include a computer-readable recording medium such as a floppy drive, disk, tape, DVD / CD-ROM drive, and memory card.
  • software components may be loaded into memory 210 through communication interface 230 rather than a computer-readable recording medium.
  • software components can be loaded into the memory 210 of the computer device 200 based on a computer program installed by files received over the network 170.
  • the processor 220 may be configured to process instructions of a computer program by performing basic arithmetic, logic, and input / output operations. Instructions may be provided to processor 220 by memory 210 or communication interface 230. For example, the processor 220 may be configured to execute a received command according to program code stored in a recording device such as the memory 210.
  • the communication interface 230 may provide a function for the computer device 200 to communicate with other devices (eg, the storage devices described above) through the network 170. For example, requests, commands, data, files, etc. generated by the processor 220 of the computer device 200 according to program codes stored in a recording device such as the memory 210 are controlled by the communication interface 230. 170) to other devices. Conversely, signals, commands, data, files, etc. from other devices may be received through the network 170 to the computer device 200 through the communication interface 230 of the computer device 200. Signals, commands, data, etc. received through the communication interface 230 may be transferred to the processor 220 or the memory 210, and files and the like may be further stored by the computer device 200 (described above) Permanent storage device).
  • the input / output interface 240 may be a means for interfacing with the input / output device 250.
  • the input device may include a device such as a microphone, keyboard, camera or mouse
  • the output device may include a device such as a display or speaker.
  • the input / output interface 240 may be a means for interfacing with a device in which functions for input and output are integrated into one, such as a touch screen.
  • the input / output device 250 may be configured as a computer device 200 and a single device.
  • the computer device 200 may include fewer or more components than those in FIG. 2. However, there is no need to clearly show most prior art components.
  • the computer device 200 may be implemented to include at least some of the input / output devices 250 described above, or may further include other components such as a transceiver, a database, and the like.
  • 3 is a diagram illustrating a schematic example of a transaction processing system according to an embodiment of the present invention.
  • 3 illustrates a decentralized application (DApp) 310, a receiving server 320, a node 330, a queue server 340, and a consumer server 350.
  • DApp decentralized application
  • the receiving server 320, the node 330, the queue server 340, and the consumer server 350 may be implemented by the computer device 200 described above, respectively.
  • at least two or more of the receiving server 320, the node 330, the queue server 340, and the consumer server 350 may be implemented to be included in one computer device 200.
  • the D-app 310 is an example of a decentralized application, and may be an application service that operates as a smart contract on a platform based on a blockchain.
  • the dApp 310 may register (or record) data on the blockchain and call it.
  • the D-App 310 may attempt to register transaction data on the blockchain by passing a transaction (Tx) to the receiving server 320.
  • Tx transaction
  • the receiving server 320 may receive a transaction from the D-App 310 and attempt to register with the blockchain. At this time, the d-app 310 may process the data (transactions) to be processed for a certain period or a certain amount at a time. In other words, a situation in which the receiving server 320 needs to receive and process a certain amount of transactions for a certain period of time from the DApp 310 at a time may occur. However, since the throughput per a certain period of time (eg, minutes or seconds) of the blockchain is limited, and the scale-out for increasing such throughput has a feature that is impossible, the receiving server 320 may block the blockchain. In the case of attempting to register transactions exceeding the throughput all at once, there is a problem in that registration of all transactions fails from the moment when it exceeds the throughput of the blockchain.
  • the throughput per a certain period of time eg, minutes or seconds
  • the receiving server 320 may transmit the transactions to the queue server 340 instead of transmitting them directly to the node 350 of the blockchain.
  • the receiving server 320 may generate a transaction identifier (TxID) for each transaction requested by the DApp 310.
  • TxID transaction identifier
  • the receiving server 310 may generate a hash value for a transaction as a transaction identifier for the corresponding transaction.
  • the receiving server 320 may respond to the request of the DApp 310 by sending a response including the transaction identifier to the DApp 310, and may transmit a transaction to which the transaction ID is assigned to the queue server 340.
  • the receiving server 320 may generate a transaction identifier (sign (TxID)) signed with the private key by signing the transaction identifier with the private key of the user of the transaction, and the signed transaction identifier is granted It is also possible to send the transaction to the queue server 340.
  • the receiving server 320 may include an electronic wallet for at least one user. Such an electronic wallet may include information such as a user identifier in the user's D-App 310, a user's private key, and a public address for the blockchain.
  • the receiving server 320 may sign the transaction identifier of a specific user using the private key of the user.
  • the queue server 340 may store the transaction transmitted from the receiving server 320 in the queue 341.
  • the consumer server 350 sequentially records the transactions stored in the queue 341 of the queue server 340 (transactions each of which is given a unique transaction identifier (or signed transaction identifier)) to the blockchain.
  • Transactions can be transmitted to the node 350 of the blockchain.
  • the DApp 310 since the DApp 310 is stored in the queue 341 of the queue server 340 for a certain period of time or a certain amount of transactions delivered at once, and is registered in the blockchain sequentially through the consumer server 350, the present The transaction processing system according to the embodiment can help to efficiently process the high transaction throughput required by the DApp 310 on the blockchain.
  • the node 350 may be one of nodes participating in the blockchain network.
  • the node 350 may be implemented to create a block for the received transaction through agreement between the nodes and add it to the blockchain.
  • the node 350 creates a block for a transaction, and also creates a block for nodes for consensus. You can instruct them to do.
  • a block can be created at each node and added to the blockchain stored by the nodes.
  • the nodes for consensus may be all nodes of the blockchain network, but may be some nodes selected among all nodes of the blockchain network according to an embodiment.
  • FIG. 4 is a flowchart illustrating an example of a transaction processing method in an embodiment of the present invention.
  • the transaction processing method according to the present embodiment may be performed by the computer device 200 described above.
  • the processor 220 of the computer device 200 may be implemented to execute control instructions according to code of an operating system included in the memory 210 or code of at least one program.
  • the processor 220 is the computer device 200 to perform the steps (410 to 440) included in the method of Figure 4, the computer device 200 according to the control command provided by the code stored in the computer device 200 Can be controlled.
  • the computer device 200 may receive the transaction requested by the D-App.
  • the D-App may transmit data (transactions) to be processed in a predetermined period or a predetermined amount at a time, and the computer device 200 may receive a certain amount of transactions or a certain amount of transactions from the D-App at a time.
  • the computer device 200 is a subsequent step so that the blockchain can efficiently process the high transaction throughput required by the DApp on the blockchain. Fields 420 to 440 may be performed.
  • the computer device 200 may generate a transaction identifier for the transaction.
  • the computer device 200 may generate a hash value for the transaction as a transaction identifier.
  • the contents of the transaction may be an input parameter of a predetermined hash function, and a hash value that is an output value of the hash function may be used as a transaction identifier.
  • the computer device 200 may transmit a response including the generated transaction identifier to the DApp.
  • the transaction identifier included in the response sent to the DApp may be used to inquire whether or not a final commit is made to the block for the transaction requested by the DApp in the blockchain.
  • step 440 the computer device 200 generates a transaction with the generated transaction identifier, so that the transaction with the generated transaction identifier is stored in the queue included in the queue server, and then sequentially written to the blockchain by the consumer server. Can be sent to the queue server.
  • the computer device 200 may store the user's user identifier and the user's private key in advance, and sign the generated transaction identifier with the user's private key to generate a signed transaction identifier.
  • the computer device 200 may transmit the transaction identifier signed with the user's private key in step 440 to the queue server along with the transaction.
  • the queue server may be implemented to sequentially store the received transactions in a queue, and the consumer server is implemented to transmit the transaction to one of the first nodes of the blockchain network so that the transactions stored in the queue are sequentially recorded on the blockchain.
  • each of the first nodes of the blockchain network may be implemented to create a block for a transaction received from the consumer server through an agreement between the first nodes and add it to the blockchain.
  • the blockchain is efficiently processed by storing transactions in the queue included by the queue server and sequentially processing them through the consumer server. Can help you do it.
  • a high transaction throughput required by a decentralized application can be efficiently processed in a blockchain.
  • DApp decentralized application
  • the DApp can inquire whether the final commit is made to the block in the blockchain for the corresponding transaction.
  • the system or device described above may be implemented as a hardware component, a software component, or a combination of hardware components and software components.
  • the devices and components described in the embodiments include, for example, processors, controllers, arithmetic logic units (ALUs), digital signal processors (micro signal processors), microcomputers, field programmable gate arrays (FPGAs).
  • a programmable logic unit (PLU), microprocessor, or any other device capable of executing and responding to instructions may be implemented using one or more general purpose computers or special purpose computers.
  • the processing device may perform an operating system (OS) and one or more software applications running on the operating system.
  • the processing device may access, store, manipulate, process, and generate data in response to execution of the software.
  • OS operating system
  • the processing device may access, store, manipulate, process, and generate data in response to execution of the software.
  • a processing device may be described as one being used, but a person having ordinary skill in the art, the processing device may include a plurality of processing elements and / or a plurality of types of processing elements. It can be seen that may include.
  • the processing device may include a plurality of processors or a processor and a controller.
  • other processing configurations such as parallel processors, are possible.
  • the software may include a computer program, code, instruction, or a combination of one or more of these, and configure the processing device to operate as desired, or process independently or collectively You can command the device.
  • Software and / or data may be interpreted by a processing device, or to provide instructions or data to a processing device, of any type of machine, component, physical device, virtual equipment, computer storage medium or device.
  • the software may be distributed over networked computer systems, and stored or executed in a distributed manner.
  • Software and data may be stored on one or more computer-readable recording media.
  • the method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer-readable medium.
  • the computer-readable medium may include program instructions, data files, data structures, or the like alone or in combination.
  • the program instructions recorded on the medium may be specially designed and configured for the embodiments or may be known and usable by those skilled in computer software.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs, DVDs, and magnetic media such as floptical disks.
  • -Hardware devices specifically configured to store and execute program instructions such as magneto-optical media, and ROM, RAM, flash memory, and the like.
  • Such a recording medium may be various recording means or storage means in the form of a combination of single or several hardware, and is not limited to a medium directly connected to a computer system, but may be distributed on a network.
  • Examples of program instructions include high-level language codes that can be executed by a computer using an interpreter, etc., as well as machine language codes produced by a compiler.

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Abstract

L'invention concerne un procédé et un système de traitement efficace, dans une chaîne à blocs, d'un débit de transaction élevé requis par une application décentralisée (DApp). Un procédé de traitement d'une transaction, selon des modes de réalisation de la présente invention, peut comprendre les étapes consistant : à recevoir une transaction demandée par une application décentralisée (DApp) ; à générer un identifiant de transaction pour la transaction ; à transmettre une réponse comprenant l'identifiant de transaction généré à l'application DApp ; et à transmettre, à un serveur de file d'attente, la transaction à laquelle l'identifiant de transaction généré est attribué de telle sorte que la transaction, à laquelle l'identifiant de transaction généré est attribué, est mémorisée dans une file d'attente comprise dans le serveur de file d'attente et est ensuite enregistrée de manière séquentielle dans une chaîne de blocs par un serveur de consommateur.
PCT/KR2018/013315 2018-11-05 2018-11-05 Procédé et système de traitement efficace, en chaîne de blocs, d'un débit de transaction élevé requis par une dapp WO2020096072A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/KR2018/013315 WO2020096072A1 (fr) 2018-11-05 2018-11-05 Procédé et système de traitement efficace, en chaîne de blocs, d'un débit de transaction élevé requis par une dapp
JP2021523193A JP7339335B2 (ja) 2018-11-05 2018-11-05 ＤＡｐｐで要求する高いトランザクション処理量をブロックチェーンで効率的に処理するための方法およびシステム
KR1020217008151A KR102553877B1 (ko) 2018-11-05 2018-11-05 디앱에서 요구하는 높은 트랜잭션 처리량을 효율적으로 블록체인에서 처리하기 위한 방법 및 시스템

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KR20220066466A (ko) * 2020-11-16 2022-05-24 두나무 주식회사 블록체인 기반 문서 관리 방법 및 장치
KR102474866B1 (ko) 2020-11-16 2022-12-05 두나무 주식회사 블록체인 기반 문서 관리 방법 및 장치
KR20230002125A (ko) * 2020-11-16 2023-01-05 두나무 주식회사 블록체인 기반 문서 관리 방법 및 장치
KR102656323B1 (ko) 2020-11-16 2024-04-11 두나무 주식회사 블록체인 기반 문서 관리 방법 및 장치
US20220179841A1 (en) * 2020-12-07 2022-06-09 Deixis, PBC Heterogeneous integration with distributed ledger blockchain services
US11960469B2 (en) * 2020-12-07 2024-04-16 Deixis, PBC Heterogeneous integration with distributed ledger blockchain services
CN112884579A (zh) * 2021-02-08 2021-06-01 京东数科海益信息科技有限公司 区块链交易共识方法和装置

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