WO2020001108A1 - 基于区块链的数据处理方法和装置 - Google Patents
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- 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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
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- 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
- G06Q40/02—Banking, e.g. interest calculation or account maintenance
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- 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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Definitions
- This specification relates to the field of network communication technology, and in particular, to a data processing method and device based on a blockchain.
- Blockchain technology also known as distributed ledger technology, is an emerging technology in which several computing devices participate in "accounting" and jointly maintain a complete distributed database.
- the data on the chain has serious problems of difficulty in identification, statistics, and analysis.
- the main cause of this problem is that in the process of storing data in a distributed form by the blockchain, the globally unique Hash code is usually used as the parent-child blood connection between the blocks.
- the data information contained in the block cannot be connected to the hash code, and the data inside the block data cannot be connected. Therefore, the blockchain is an inefficient and expensive way to store data.
- Blockchain data storage structure makes the data stored on the chain difficult to be used by upper-layer applications, which creates a big bottleneck for the promotion and development of blockchain technology.
- this specification provides a blockchain-based data processing method, which is applied to a data center that interfaces with the blockchain, including:
- the step of synchronizing the block data on the blockchain to a local database includes:
- the block data of the latest block is synchronized to the local database based on the enabled timing task.
- the step of synchronizing the block data on the blockchain to a local database includes:
- the parsed block data is stored in the local database according to a preset storage format.
- the parsing rule is a plug-in parsing rule.
- the parsing rule includes one or more of a business scenario parsing rule, a data filtering rule, and a preset index field parsing rule.
- the preset storage format includes a JSON format.
- the step of synchronizing the block data on the blockchain to a local database further includes:
- Generate a query index for the parsed block data create an index table based on the mapping relationship between the generated query index and the corresponding block data, and save it locally.
- this specification also provides a data processing device based on a blockchain, which is applied to a data center connected to the blockchain and includes:
- a synchronization unit that synchronizes the block data on the blockchain to a local database
- a receiving unit that receives a data use request sent by a target application
- the processing unit in response to the data use request, queries the requested data corresponding to the data use request in the local database, and returns the requested data to the target application.
- the synchronization unit is further configured to:
- the block data of the latest block is synchronized to the local database based on the enabled timing task.
- the synchronization unit is further configured to:
- the parsed block data is stored in the local database according to a preset storage format.
- the parsing rule is a plug-in parsing rule.
- the parsing rule includes one or more of a business scenario parsing rule, a data filtering rule, and a preset index field parsing rule.
- the preset storage format includes a JSON format.
- the synchronization unit is further configured to:
- Generate a query index for the parsed block data create an index table based on the mapping relationship between the generated query index and the corresponding block data, and save it locally.
- this specification also provides a computer device including: a memory and a processor; the memory stores a computer program executable by the processor; and when the processor runs the computer program, the area-based The steps described in the blockchain data processing method.
- the present specification also provides a computer-readable storage medium on which a computer program is stored.
- the computer program is executed by a processor, the steps described in the above-mentioned blockchain-based data processing method are performed.
- the data center can provide a more convenient data processing method for the target application based on the data storage method and data retrieval method of the local database, which overcomes the inconvenience of data in the blockchain.
- FIG. 1 is a connection architecture diagram of a blockchain system, an upper-layer application, and a data center according to an exemplary embodiment of the present specification
- FIG. 2 is a flowchart of a blockchain-based data processing method provided by an exemplary embodiment of the present specification
- FIG. 3 is a schematic structural diagram of a data center according to an exemplary embodiment of the present specification.
- FIG. 4 is a schematic diagram of a blockchain-based data processing device according to an exemplary embodiment of the present specification
- FIG. 5 is a hardware structure diagram of an embodiment of a method or device for processing data based on a blockchain provided by this specification.
- Blockchain can specifically refer to a P2P network system with a distributed data storage structure reached by each node through a consensus mechanism.
- the data in this blockchain is distributed in time and connected by “blocks.”
- the latter block contains the data summary of the previous block, and according to the specific consensus mechanism (such as POW, POS, DPOS, or PBFT, etc.), all or part of the node's data is fully backed up.
- the consensus mechanism such as POW, POS, DPOS, or PBFT, etc.
- the blockchain system has the characteristics of ensuring data security and preventing change that other centralized database systems cannot match.
- the data in the block is usually collected in the form of a transaction.There is no connection between the transactions, and each transaction cannot be related to the data summary of the block from the content (but only mathematically like Merkel The tree method establishes a connection). Due to the lack of a unified analysis and statistics and indexing mechanism for the data in the block or the data in the transaction, the data in the block chain is difficult to be used by the upper-level applications of the block chain.
- FIG. 1 illustrates a flowchart of a blockchain-based data processing method provided by an exemplary embodiment of the present specification. The method is applied to a data center that interfaces with the blockchain, and includes:
- Step 102 Synchronize the block data on the blockchain to a local database.
- Step 104 Receive a data use request sent by the target application
- Step 106 In response to the data use request, query the requested data corresponding to the data use request in the local database, and return the requested data to the target application.
- the "upper-layer application” or “target application” described in the embodiments of this specification refers to an application program built on the distributed data storage architecture of the blockchain, which can use the blockchain's consensus mechanism, a distributed database, or Mechanism features such as an auto-executable smart contract provide data services for the application's specific business implementation (such as renting business, vehicle scheduling business, insurance claims business, credit service, medical service, etc.).
- the data center described in the embodiments of this specification refers to both communicating with the blockchain (which can be used as a node device of the above blockchain) and communicating with the target application of the blockchain (also called upper-layer application). Connected data processing equipment.
- FIG. 2 illustrates a connection architecture diagram of a blockchain system, an upper-layer application, and a data center according to an embodiment of the present specification.
- the data center is connected to both the blockchain system and an upper-layer application of the blockchain.
- DAPP Decentralized Application
- the upper-layer application is also in communication with the blockchain system so that the upper-layer application writes the business data generated by it directly into the distributed database of the blockchain.
- DAPP Decentralized Application
- the block data of the blockchain is synchronized to the local database of the data center, and the data center is used to provide the requested data for the data usage request of the upper-level application.
- the construction of this data center can more conveniently provide data services for the upper-layer applications of the blockchain.
- the above block data may include one or more of data content such as all transaction data in the block, transaction summary data in the block, and block summary data, and may be based on the specific business requirements of the data center or its upper-layer applications. set up.
- the data center described in the above embodiments can provide data services for multiple upper-layer applications, which is not limited in the present invention.
- the transaction described in this specification refers to a piece of data created by a user through a client of the blockchain and that needs to be finally published to the distributed database of the blockchain.
- the transactions in the blockchain are divided into narrow transactions and broad transactions.
- a narrow transaction refers to a value transfer issued by a user to the blockchain; for example, in a traditional Bitcoin blockchain network, a transaction can be a transfer initiated by a user in the blockchain.
- the generalized transaction refers to a piece of business data with business intent issued by the user to the blockchain; for example, an operator can build an alliance chain based on actual business needs and rely on the alliance chain to deploy other types that are not related to value transfer.
- the transaction can be a transaction issued by the user in the alliance chain.
- Intent business message or business request The description of this "transaction" is not limited in this specification, and may be specifically determined according to the business nature of the blockchain described in this specification.
- the blockchain can be directly connected to its upper-layer application.
- the upper-layer application DAPP of the blockchain writes the business data generated directly into the blockchain; this description is not limited to this.
- the upper-layer application DAPP can also send the business data generated by it to the data center for preprocessing. Or filtering and other operations, and then send the data that should be uploaded to the blockchain, thereby further saving the data footprint of the blockchain.
- step 102 synchronizing the block data on the blockchain to a local database
- step 104 receiving data sent by the target application.
- the order of requests is not unique.
- the data center can first synchronize the latest block data of the blockchain to a local database according to a preset synchronization rule, and then receive the data usage request sent by the target application to process the data usage request in the local database; it can also receive the target first
- the data use request sent by the application is then used to synchronize the block data, and if the received data use request contains a list of block heights that are related to or should be obtained from the data use request, the data center can selectively synchronize the area Block height block data included in the block height list, eliminating the need to obtain block data for all blocks of the blockchain, thereby further saving data center storage space and improving the use efficiency of data center computer resources.
- the above-mentioned data center may also implement a variety of specific implementation methods for synchronizing the latest data of the blockchain to a local database.
- the data center and the blockchain maintain a real-time acquisition mode, that is, the data center obtains the latest block from the blockchain system in real time.
- the data center can immediately synchronize the new block to the local database.
- the above data center synchronizes the block data on the blockchain to the local database in real time, which is not prone to data delay.
- the blocks on the blockchain are not increased in real time High, so there is a waste of computing resources in the data center.
- the data center can select the offline timing acquisition mode to synchronize the block data on the blockchain. That is, the data center enables the timing acquisition task and downloads data from the blockchain every predetermined period of time. Obtain new block data and synchronize the acquired new block data to the local database.
- the offline timing acquisition mode increases the effective utilization of computer resources in the data center, but the data center cannot accurately know the time when the block height increases.
- there is a disadvantage of delaying the obtained data Even because the data center does not know the details of the synchronized blocks, the block data obtained at regular intervals may not be the data required by the data center to provide data services for its target applications. Waste of computer resources.
- this specification also provides an implementation that combines the advantages of the two data synchronization methods described above, that is, the data center can monitor the data center in real time.
- the block height on the block chain is described; when the block height on the block chain is monitored to change, the block data of the latest block is synchronized to the local database based on the enabled timing task.
- the data center uses this implementation to synchronize block data on the blockchain, which significantly increases Effective utilization of computer resources.
- the data center can be configured with a specific timing task to synchronize the block data of the latest block to the local database; by configuring the timing task, the data center can control what it gets The delay time of block data is given to the timing tasks with higher acquisition frequency for the blocks with higher data timeliness requirements, and the given timing tasks with lower acquisition frequency for the blocks with less timeliness data requirements.
- the computer resources of the data center Moreover, since the data center should provide data services for its upper-level applications, the data required by the service may exist in certain specific blocks. The data center can listen to these specific blocks and then Obtain specific blocks through enabled scheduled tasks to further control the delay time of required data and increase the utilization of computer resources.
- the process of the data center synchronizing the block data on the blockchain to the local database further includes: according to a preset parsing rule Parse the block data, and store the parsed block data in a local database according to a preset storage format.
- the local database can be a standard relational database (for example: Rds) or a non-relational storage (for example: HBase). It is not limited in this specification.
- the above parsing rules can be set according to the type of data content collected by the blockchain system or the specific business of the target application, including one of rules such as business scenario parsing rules, data filtering rules, or preset index field parsing rules. Or more.
- the above-mentioned blockchain includes various content or types of transactions such as house lease contract transactions, rent deposit payment transactions, and rent payment transactions sent by different nodes or node clients. The entire process is to perform blockchain certificate storage.
- the above-mentioned blockchain can also be used to record certificate information transactions in other business scenarios. Transactions generated under various business scenarios are mixed and recorded in this area.
- the blockchain does not classify and store all transactions according to the business type of the transaction.
- An upper-layer application for house lease management is built on this blockchain.
- Various types of data information related to house lease business need to be obtained from this blockchain.
- the center can analyze the block information obtained from the blockchain, and store the information related to the house lease management obtained from the analysis in a local database, which can be called by the above-mentioned upper-level application for rent lease management at any time.
- the data center may set a data model (such as a Schema template) of a house rental business, use the data model to analyze block data, and fill the corresponding data into the data model.
- the data model of the house leasing business may include the contents of the house leasing contract number, the house leasing ID, the house renter ID, the house address, the rent deposit, the rent, and the lease term.
- the corresponding data information can be filled into the model and stored in the local database according to the data text save type of the local database, such as JSON format.
- the above data analysis process can also use some filtering rules, such as specific public key rules, or filter out blacklist public key rules, select transactions issued by specific public keys for data analysis, or do not perform transactions issued for public keys that belong to the blacklist.
- filtering rules such as specific public key rules, or filter out blacklist public key rules, select transactions issued by specific public keys for data analysis, or do not perform transactions issued for public keys that belong to the blacklist.
- Data analysis to filter out dirty data to save computer resources; you can also use classification rules to classify transactions in the block and filter out transactions that are not part of the house leasing business, so as to analyze data only for the target business.
- preset index field analysis rules can also be used.
- the business index fields required by upper-level applications such as "rental contract number", "house area”, and "tenant ID card number” are set.
- the synchronized block data is parsed one by one.
- the above process of parsing according to various parsing rules can be set as a plug-in executable program, so as to flexibly apply various parsing rules or a combination of various parsing rules for different business scenarios. Improve the efficiency of data analysis and processing.
- the above parsing process may also include operations such as checking the data, encrypting or decrypting, and desensitizing the data, which are not described in detail here.
- the data generated according to the above various analysis rules are usually in Key-Value format, such as the lease contract number -1234567, the lessee ID number -1XXXXXXXXX, etc., in order to facilitate the data center's retrieval and query of the above-mentioned stored data.
- the data center may generate a query index for the parsed data, create an index table based on the mapping relationship between the generated query index and corresponding block data, and save the index table in the local database.
- the following instructions describe the various functions that a data center can implement in the housing rental business.
- FIG. 3 illustrates the architecture of a data center 30 that can provide data processing services for upper-layer applications of house rental management.
- the data center 30 can be divided into an external interface layer 302, an information parsing layer 304, a business index layer 306, a data synchronization layer 308,
- the multi-layer architecture such as the bottom data source layer 310, provides various data processing operations such as transaction information data retrieval, statistics, and analysis to the upper-layer applications. It is worth noting that the above multi-layer architecture is only artificially divided based on the data processing functions that the data center can perform. There is no specific demarcation between the above layers, and the data center provided by this specification can achieve The function may not be limited to this.
- the block data recorded on the blockchain can include the following transaction information:
- the data synchronization layer 308 of the data center can synchronize the block data of the blockchain to a local database based on a preset synchronization strategy (such as the above-mentioned real-time mode or offline mode or a combination of real-time and offline modes).
- the information analysis layer 304 is used for Analyze the synchronized block data, for example, using a house lease contract analysis model.
- the information analysis layer 304 can also perform some preprocessing on the parsed data, such as data sorting or merging, data desensitization, or encryption and decryption.
- the data center after processing by the information analysis layer, the data center can get the following data:
- the parsed house lease contract data can be stored in the underlying data source layer 310 in JSON format.
- the underlying data source layer can use a standard relational database form or a non-relational database form.
- the information parsing layer 304 of the data center can also use the index field parsing rules to parse the rent payment transaction submitted by the tenant, for example, using the index data fields "txhash” and "pay_channel” (Note: different pay_channels describe this data center
- index data fields "txhash” and "pay_channel” Note: different pay_channels describe this data center
- "pay_amount” parses the above transactions to obtain the following data as shown in Table 1:
- Txhash Pay-channel Pay-amount Tx11 10001 999 Tx21 10002 888 ... ... ...
- Table 1 Data parsed by the data center according to the index field parsing rules
- the above parsed data can be stored in the underlying data source layer 310, and in order to further facilitate the retrieval and management of the rent payment transaction by the data center, the data center can also generate a query index for the above data, and based on the generated query index and The mapping relationship between the corresponding block data creates an index table (shown in Table 2 below) and stores it in the business index layer 306 of the data center.
- the business index layer 306 may also store a mapping relationship table between each data index related to the above-mentioned house lease contract information and the storage location of the above-mentioned data in the underlying data source layer 310.
- Table 2 House rental business rent payment index table held by the data center's business index layer 306
- the external interface layer 302 of the data center 30 can use the form of RESTFUL API to interact with the upper layer data, thereby providing data services in the form of URLs, and compatible with multilingual platforms (C #, Python, C ++, JAVA ).
- the upper-layer application can send a data query request to the data center 30 to query the lease contract details of the house No. 0001 in the format of a URL.
- the data center 30 learns the contract from its business index layer 306
- the storage location of the data involved in the details is in the underlying data source layer 310, and the data involved in the contract details data request instruction is obtained from the underlying data source layer 310, the above data is organized in JSON format, and the above data is returned to the Target application:
- the returned data content can include:
- the above-mentioned data processing method applied to the data center 30 interfacing with the blockchain can conveniently provide data services for upper-layer applications in various business scenarios by establishing a data storage structure in the local database of the data center 30 that is more suitable for upper-layer applications. , Solved the bottleneck problem encountered in the promotion and development of blockchain technology.
- the embodiments of the present specification also provide a data processing device based on a blockchain.
- the device can be implemented by software, or by hardware or a combination of software and hardware.
- software implementation as an example, as a device in a logical sense, it is formed by reading a corresponding computer program instruction into a memory through a CPU (Central Process Unit) of a device where the device is located.
- CPU Central Process Unit
- the equipment where the data processing device is located usually includes other hardware such as a chip for wireless signal transmission and reception, and / or for network communication Function board and other hardware.
- FIG. 4 shows a blockchain-based data processing device 40 provided in this specification; a data center that is applied to the blockchain and includes:
- a synchronization unit 402 which synchronizes the block data on the blockchain to a local database
- the receiving unit 404 receives a data use request sent by a target application
- the processing unit 406 in response to the data use request, queries the requested data corresponding to the data use request in the local database, and returns the requested data to the target application.
- the synchronization unit 402 is further configured to:
- the block data of the latest block is synchronized to the local database based on the enabled timing task.
- the synchronization unit 402 is further configured to:
- the parsed block data is stored in the local database according to a preset storage format.
- the parsing rule is a plug-in parsing rule.
- the parsing rule includes one or more of a business scenario parsing rule, a data filtering rule, and a preset index field parsing rule.
- the preset storage format includes a JSON format.
- the synchronization unit 402 is further configured to:
- Generate a query index for the parsed block data create an index table based on the mapping relationship between the generated query index and the corresponding block data, and save it locally.
- the device embodiments described above are only schematic, and the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical modules, that is, may be located in One place, or can be distributed to multiple network modules. Some or all of the units or modules can be selected according to actual needs to achieve the purpose of the solution in this specification. Those of ordinary skill in the art can understand and implement without creative efforts.
- the devices, units, and modules described in the foregoing embodiments may be specifically implemented by a computer chip or entity, or may be implemented by a product having a certain function.
- a typical implementation device is a computer, and the specific form of the computer may be a personal computer, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email sending and receiving device, and a game control Desk, tablet computer, wearable device, or a combination of any of these devices.
- the embodiment of the present specification further provides a computer device, the computer device including a memory and a processor.
- the memory stores a computer program that can be run by a processor.
- the processor runs the stored computer program, the processor executes each step of the data center-based data processing method of the data center in the embodiment of the present specification.
- each step of the data center's blockchain-based data processing method please refer to the previous content and will not be repeated.
- the embodiments of the present specification also provide a computer-readable storage medium.
- the storage medium stores computer programs. When these computer programs are run by a processor, the data in the embodiments of the present specification is executed.
- Each step of the center's blockchain-based data processing method For a detailed description of each step of the data processing method based on the data center and the blockchain, please refer to the previous content and will not be repeated.
- a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.
- processors CPUs
- input / output interfaces output interfaces
- network interfaces network interfaces
- memory volatile and non-volatile memory
- Memory may include non-persistent memory, random access memory (RAM), and / or non-volatile memory in computer-readable media, such as read-only memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
- RAM random access memory
- ROM read-only memory
- flash RAM flash memory
- Computer-readable media includes permanent and non-persistent, removable and non-removable media.
- Information storage can be accomplished by any method or technology.
- Information may be computer-readable instructions, data structures, modules of a program, or other data.
- Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), and read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, read-only disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape storage or other magnetic storage devices or any other non-transmitting medium may be used to store information that can be accessed by a computing device.
- computer-readable media does not include temporary computer-readable media, such as modulated data signals and carrier waves.
- the embodiments of the present specification may be provided as a method, a system, or a computer program product. Therefore, the embodiments of the present specification may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the embodiments of the present specification may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code. .
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Abstract
Description
Txhash | Pay-channel | Pay-amount |
Tx11 | 10001 | 999 |
Tx21 | 10002 | 888 |
…… | …… | …… |
COLUMN_NAME | COLUMN_VALUE | TXHASH |
pay_channel | 10001 | tx11 |
pay_channel | 10002 | tx21 |
pay_amount | 999 | tx11 |
pay_amount | 888 | tx21 |
…… | …… | …… |
Claims (16)
- 一种基于区块链的数据处理方法,应用于与所述区块链对接的数据中心,包括:将所述区块链上的区块数据同步至本地数据库;接收目标应用发送的数据使用请求;响应于所述数据使用请求,在所述本地数据库中查询与所述数据使用请求对应的被请求数据,并将所述被请求数据返回所述目标应用。
- 根据权利要求1所述的方法,所述将所述区块链上的区块数据同步至本地数据库,包括:实时监听所述区块链上的区块高度;当监听到所述区块链上的区块高度发生变化时,基于启用的定时任务将最新区块的区块数据同步至本地数据库。
- 根据权利要求1或2所述的方法,所述将所述区块链上的区块数据同步至本地数据库,包括:根据预设的解析规则解析所述区块数据;将解析得到的区块数据按照预设的存储格式存储于所述本地数据库。
- 根据权利要求3所述的方法,所述解析规则为插件化的解析规则。
- 根据权利要求3所述的方法,所述解析规则包括业务场景解析规则、数据过滤规则、预设索引字段解析规则中的一种或多种。
- 根据权利要求3所述的方法,所述预设的存储格式包括JSON格式。
- 根据权利要求3所述的方法,所述将所述区块链上的区块数据同步至本地数据库,还包括:为解析得到的区块数据生成查询索引,基于生成的查询索引与对应的区块数据之间的映射关系创建索引表,并在上述本地数据库保存。
- 一种基于区块链的数据处理装臵,应用于与所述区块链对接的数据中心,包括:同步单元,将所述区块链上的区块数据同步至本地数据库;接收单元,接收目标应用发送的数据使用请求;处理单元,响应于所述数据使用请求,在所述本地数据库中查询与所述数据使用请求对应的被请求数据,并将所述被请求数据返回所述目标应用。
- 根据权利要求8所述的装臵,所述同步单元进一步:实时监控所述区块链上的区块高度;当监控到所述区块链上的区块高度发生变化时,基于启用的定时任务将最新区块的 区块数据同步至本地数据库。
- 根据权利要求8或9所述的装臵,所述同步单元进一步:根据预设的解析规则解析所述区块数据;将解析得到的区块数据按照预设的存储格式存储于所述本地数据库。
- 根据权利要求10所述的装臵,所述解析规则为插件化的解析规则。
- 根据权利要求10所述的装臵,所述解析规则包括业务场景解析规则、数据过滤规则、预设索引字段解析规则中的一种或多种。
- 根据权利要求10所述的装臵,所述预设的存储格式包括JSON格式。
- 根据权利要求10所述的装臵,所述同步单元进一步:为解析得到的区块数据生成查询索引,基于生成的查询索引与对应的区块数据之间的映射关系创建索引表,并在本地保存。
- 一种计算机设备,包括:存储器和处理器;所述存储器上存储有可由处理器运行的计算机程序;所述处理器运行所述计算机程序时,执行如权利要求1到7任意一项所述的步骤。
- 一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被处理器运行时,执行如权利要求1到7任意一项所述的步骤。
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