WO2020082576A1 - Dispositif et procédé de traitement d'une transaction en blocs et support de stockage - Google Patents

Dispositif et procédé de traitement d'une transaction en blocs et support de stockage Download PDF

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Publication number
WO2020082576A1
WO2020082576A1 PCT/CN2018/123582 CN2018123582W WO2020082576A1 WO 2020082576 A1 WO2020082576 A1 WO 2020082576A1 CN 2018123582 W CN2018123582 W CN 2018123582W WO 2020082576 A1 WO2020082576 A1 WO 2020082576A1
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Prior art keywords
verification
transaction
result
processing
verification result
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PCT/CN2018/123582
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English (en)
Chinese (zh)
Inventor
陆陈一帆
褚镇飞
冯世伟
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深圳壹账通智能科技有限公司
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Publication of WO2020082576A1 publication Critical patent/WO2020082576A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/466—Transaction processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/5038—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/505—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the load
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange

Definitions

  • This application relates to the field of blockchain technology, and in particular to a blockchain transaction processing device, method, and storage medium.
  • alliance blockchain and ordinary blockchain are continuously used in different application scenarios, and one of the fundamental differences between alliance blockchain and ordinary blockchain is the need to provide privacy Protection mechanism, under normal circumstances, this protection mechanism is implemented by signature encryption and signature verification decryption in cryptography.
  • multiple transactions for example, transaction transactions
  • the nodes unlock the blocks, obtain the transactions in them, and perform a specific type check on each transaction (for example, after signature verification and Multi-Version Concurrency Control (MVCC), the transaction is saved to the disk of the blockchain (that is, saved into the chain).
  • MVCC Multi-Version Concurrency Control
  • the purpose of this application is to provide a device, method and storage medium for blockchain transaction processing, aiming to increase the throughput of the blockchain system in processing transactions and increase the overall running speed.
  • the present application provides a blockchain transaction processing device.
  • the blockchain transaction processing device includes a memory and a processor connected to the memory, and the memory stores A processing system running on a processor, when the processing system is executed by the processor, the following steps are implemented:
  • the persistence processing of the transaction is performed based on the result of the first multi-version check, and it is submitted to the chain and saved.
  • the present application also provides a blockchain transaction processing method.
  • the blockchain transaction processing method includes:
  • S2 Perform parallel processing on the verification operation and multi-version inspection operation of each transaction, and obtain the corresponding first verification result and first multi-version inspection result;
  • the present application also provides a computer-readable storage medium having a processing system stored on it, which when executed by a processor implements the steps of the above-mentioned blockchain transaction processing method.
  • this application will execute the signature verification operation and the multi-version verification operation in parallel. Before the transaction is persisted, re-check the signature verification result in the parallel verification operation according to the signature information. If it is correct, Then the results of the multi-version check after parallel execution can be directly used, so that the verification signature step and the multi-version check step that had to be executed sequentially can be executed concurrently, which improves the throughput of the system and greatly increases the overall running speed.
  • FIG. 1 is a schematic diagram of an optional application environment of each embodiment 1 of this application;
  • FIG. 2 is a schematic diagram of a hardware architecture of an embodiment of the blockchain transaction processing apparatus in FIG. 1;
  • FIG. 3 is a schematic flowchart of a first embodiment of a method for blockchain transaction processing in the application
  • FIG. 4 is a schematic flowchart of a second embodiment of a blockchain transaction processing method of the present application.
  • FIG. 1 it is a schematic diagram of an application environment of a preferred embodiment of the blockchain transaction processing method of the present application.
  • the schematic diagram of the application environment includes a plurality of node devices in the blockchain network.
  • the node device performs transaction transactions through the blockchain network.
  • the node device is the blockchain transaction processing device 1 in FIG. 2.
  • the blockchain transaction processing device 1 is a device that can automatically perform numerical calculation and / or information processing according to a preset or stored instruction.
  • the device 1 for blockchain transaction processing may be a computer, a single network server, a server group composed of multiple network servers, or a cloud based on cloud computing composed of a large number of hosts or network servers, where cloud computing is distributed
  • the blockchain transaction processing device 1 may include, but is not limited to, a memory 11, a processor 12, and a network interface 13 that can communicate with each other through a system bus.
  • the memory 11 stores Operating processing system. It should be pointed out that FIG. 2 only shows an apparatus 1 for blockchain transaction processing with components 11-13, but it should be understood that it is not required to implement all the components shown, and more or more alternatives may be implemented. Fewer components.
  • the memory 11 includes a memory and at least one type of readable storage medium.
  • the memory provides a cache for the operation of the blockchain transaction processing device 1;
  • the readable storage medium may be, for example, flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), static Non-volatile storage media such as random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, magnetic disk, optical disk, etc. .
  • the readable storage medium may be an internal storage unit of the blockchain transaction processing device 1, such as the hard disk of the blockchain transaction processing device 1; in other embodiments, the non-volatile The storage medium may also be an external storage device of the blockchain transaction processing device 1, for example, a plug-in hard disk, a smart memory card (Smart) Media, SMC, or a secure digital (Secure) equipped on the blockchain transaction processing device 1. Digital, SD) card, flash card (Flash Card), etc.
  • the readable storage medium of the memory 11 is generally used to store the operating system and various application software installed in the blockchain transaction processing device 1, such as storing the program code of the processing system in an embodiment of the present application. .
  • the memory 11 may also be used to temporarily store various types of data that have been output or will be output.
  • the processor 12 may be a central processing unit (CPU), controller, microcontroller, microprocessor, or other data processing chip.
  • the processor 12 is generally used to control the overall operation of the device 1 for blockchain transaction processing, such as performing control and processing related to data interaction or communication with other devices.
  • the processor 12 is used to run the program code stored in the memory 11 or process data, for example, to run a processing system.
  • the network interface 13 may include a wireless network interface or a wired network interface.
  • the network interface 13 is generally used to establish a communication connection between the device 1 for blockchain transaction processing and other devices.
  • the processing system is stored in the memory 11 and includes at least one computer-readable instruction stored in the memory 11, the at least one computer-readable instruction can be executed by the processor 12 to implement the methods of the embodiments of the present application; and
  • the at least one computer-readable instruction can be divided into different logic modules according to the different functions implemented by its parts.
  • the above processing system implements the following steps when executed by the processor 12:
  • the persistence processing of the transaction is performed based on the result of the first multi-version check, and it is submitted to the chain and saved.
  • This application enables the verification signature step and the multi-version check step that had to be executed sequentially to be executed concurrently, which improves the throughput of the system and greatly improves the overall running speed.
  • the first verification result is that the verification is passed, and the step of performing parallel processing on the verification operation of each transaction and the multi-version check operation specifically includes:
  • the first verification result is incorrect, the first verification result and the first multi-version check result are discarded, a multi-version check is performed based on the second verification result to obtain a second multi-version check result, and based on the second The multi-version check result is used to persist the transaction and submit it for chain storage.
  • the step of obtaining the second verification result based on the signature information is a serial processing step or a parallel processing step. If it is a parallel processing step, the step of obtaining the second verification result based on the signature information is specific include:
  • the CPU load status information includes a CPU working time ratio
  • the preset processing value includes a preset maximum value of the CPU used for signature verification, a preset signature verification time, and the second based on the transaction request
  • the transaction request second flow rate and the CPU working time ratio analyze in real time whether the time required for the current check is greater than the preset check time, and analyze in real time whether the CPU working time ratio reaches the upper limit, and analyze the current number of threads Whether it is less than the preset maximum value of the CPU used for verification;
  • the step of analyzing whether the time required for the current verification is greater than the preset verification time in real time is continued.
  • FIG. 3 is a schematic flowchart of an embodiment of a blockchain transaction processing method of the present application.
  • the blockchain transaction processing method includes the following steps:
  • Step S1 after receiving the block to be entered into the chain, obtain each transaction in the block to be entered into the chain and signature information corresponding to each transaction;
  • each transaction with the processing order is pre-packaged into the form of a block.
  • the block After receiving the block to be entered into the chain, the block is parsed to obtain each transaction in the block and the corresponding The signature information of the transaction will be checked one by one according to the processing order of the identification.
  • the transaction is, for example, data-related operations in the database, including data modification operations, data deletion operations, etc., and of course, other operations.
  • Step S2 Perform parallel processing on the verification operation and multi-version inspection operation of each transaction, and obtain the corresponding first verification result and first multi-version inspection result;
  • the multi-version check operation must be performed after the verification operation of the transaction is completed.
  • the verification operation of each transaction and the multi-version check operation can be directly processed in parallel.
  • the first verification result is that the verification is passed.
  • the step of performing parallel processing on the verification operation of each transaction and the multi-version check operation specifically includes: separately setting the verification results of each transaction verification operation as the verification At the same time when the signature is passed, a multi-version check operation is performed on each transaction set to pass the signature verification, so that the signature verification operation and the multi-version check operation of each transaction are processed in parallel.
  • multi-version check is a concurrency control mechanism, for example, A transaction is "change a to 1", B transaction is "change a to 2”, then Through multi-version checking, you can finally confirm which data is used for persistence processing.
  • Step S3 obtaining a second verification result based on the signature information, and checking whether the first verification result is correct based on the second verification result;
  • the verification operation of the transaction is performed according to the signature information to obtain the second verification result, which is the real verification result . If the result of the second verification is that the verification of all transactions is passed, the result of the first verification is correct. If the verification of the transaction in the second verification result fails, the result of the first verification is incorrect. .
  • the transaction verification operation based on the signature information may use serial processing, that is, transaction-by-transaction verification. In other embodiments, parallel processing may also be used.
  • the step of obtaining the second verification result based on the signature information specifically includes: obtaining the current transaction request second flow rate, current CPU load status information and preset processing value, based on the transaction Create multiple threads by requesting second traffic, CPU load status information, and preset processing values, and allocate each transaction to the corresponding CPU based on the multiple threads to perform dynamic parallel verification based on the signature information to obtain the second verification Sign the result.
  • the CPU load status information includes a ratio of CPU working time (of course, it may also be a ratio of CPU idle time)
  • the preset processing value includes a preset maximum value of the CPU used for verification and a preset verification time.
  • the transaction request second flow rate and the CPU working time ratio analyze in real time whether the time required for the current check is greater than the preset check time, and analyze in real time whether the CPU working time ratio reaches the upper limit, and analyze the current number of threads Whether it is less than the preset maximum value of the CPU used for signature verification; if the time required for the current signature verification is greater than the preset signature verification time, and the CPU working time ratio does not reach the upper limit, and the current number of threads If it is less than the preset maximum value of the CPU used for verification, increase the preset number of threads to verify each transaction; if the time required for the current verification is less than or equal to the preset verification time, it will not A thread needs to be added to continue to perform the step of analyzing whether the time required for the current signature verification in real time is greater than the preset signature verification time.
  • the current transaction request second flow rate, CPU load status information and preset processing values are also considered to establish a thread: when the current transaction request second flow rate is large and the current CPU working time ratio is small, in order to make the verification When the signing time reaches the preset verification time, a relatively large number of threads can be established; when the current transaction request second flow rate is small and the current CPU working time ratio is small, a relatively small number of threads can be established, etc.
  • the way of dynamic thread control realizes parallel verification of transactions and improves the speed of verification.
  • the current transaction request second flow rate is 10000 / h (10000 data per hour)
  • the current CPU working time ratio is 20%
  • the preset check time is 10 seconds
  • 5 threads can be established for verification after analysis Sign, based on the 5 threads to allocate transactions to 5 CPUs for parallel check.
  • this embodiment may also dynamically adjust the number of threads. If the verification time is greater than the preset verification time due to the influence of other factors, if the current transaction request seconds flow is large, the current CPU working time ratio is small, and the current number of threads does not exceed the preset When checking the maximum value of the CPU, you can increase the number of threads. Ideally, a thread allocates a transaction to a CPU for verification, so the increase in the number of threads is also equivalent to adjusting the number of CPUs currently used for verification.
  • step S4 if the result of the first verification is correct, the persistence processing of the transaction is performed based on the result of the first multi-version check, and the result is submitted for chain storage.
  • the first multi-version check result can be used for the persistence processing of the transaction, that is, the transaction is stored to be submitted for chain storage.
  • step S5 is also included: if the first verification result is incorrect, the first verification result and the first multi-version verification result are discarded, based on the second verification As a result, a multi-version check is performed to obtain a second multi-version check result, and based on the second multi-version check result, transaction persistence processing is performed to commit and store it in the chain.
  • the first multi-version check result cannot be used, discard the first multi-version check result and the first multi-version check result, and follow the existing verification-multi-version check process , Perform multi-version inspection based on the second verification result to obtain a second multi-version inspection result, and perform transaction persistence processing based on the second multi-version inspection result.
  • This application first sets up or assumes that all transactions have passed the verification, so that verification and multiple version checks can be performed in parallel. Before the transaction is persisted, check whether the transaction has passed the verification according to the signature information. If the verification passes, it indicates that the aforementioned settings or assumptions are correct. You can directly use the results of the multi-version check; if the verification fails, indicate the aforementioned If the settings or assumptions are incorrect, the multi-version inspection will be carried out again based on the results of the inspections obtained in this inspection. Since most of the transaction verification in the actual application scenario is passed, therefore, when setting or assuming that all transactions pass the verification, the verification signature step and the multi-version check step that had to be executed sequentially can be executed concurrently. This improves the throughput of the system and greatly improves the overall running speed; even if subsequent transactions are checked and the transaction fails to be checked, it will not affect the overall running speed of the system and the impact on the overall performance can be ignored.
  • the present application also provides a computer-readable storage medium having a processing system stored on it, which when executed by a processor implements the steps of the above-mentioned blockchain transaction processing method.
  • the methods in the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware, but in many cases the former is better Implementation.
  • the technical solutions of the present application can essentially be embodied in the form of software products that contribute to the existing technology, and the computer software products are stored in a storage medium (such as ROM / RAM, magnetic disk,
  • the CD-ROM includes several instructions to enable a terminal device (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the embodiments of the present application.

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Abstract

Cette invention concerne la technologie des chaînes de blocs. Plus particulièrement, l'invention concerne un dispositif et un procédé de traitement d'une transaction en blocs et un support de stockage. Le procédé comprend les étapes consistant à : après réception d'un bloc à stocker dans une chaîne de blocs, acquérir des transactions respectives dans le bloc et des informations de signature correspondant aux transactions respectives ; effectuer, en parallèle, une vérification de signature et un contrôle d'accès simultané multi-version par rapport aux transactions respectives, et acquérir de manière correspondante un premier résultat de vérification de signature et un premier résultat de contrôle d'accès simultané multi-version ; acquérir un second résultat de vérification de signature sur la base des informations de signature, et déterminer, sur la base du second résultat de vérification de signature, si le premier résultat de vérification de signature est correct ; et si tel est le cas, traiter de manière suivie les transactions sur la base du premier résultat de contrôle d'accès simultané multi-version, et soumettre celles-ci à un stockage dans la chaîne de blocs. La présente invention permet à un système de chaîne de blocs d'atteindre un rendement amélioré de traitement de transactions, ce qui permet d'accroître la vitesse totale d'exploitation.
PCT/CN2018/123582 2018-10-25 2018-12-25 Dispositif et procédé de traitement d'une transaction en blocs et support de stockage WO2020082576A1 (fr)

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