47results about How to "Improve transaction performance" patented technology

The invention relates to an intelligent contract gateway based on a block chain CPOW consensus algorithm. The gateway comprises a protocol layer, an expansion layer and an application layer, wherein the protocol layer comprises a network layer and a storage layer, the network layer comprises a p2p network and a CPOW consensus algorithm, and the storage layer stores data information onto a block chain; the expansion layer provides a basic transaction type defined by an agreement mode compatible with an Ethernet virtual machine based on a Bitcoin agreement and a programmable traction script of an original system; and the application layer comprises various services related to the intelligent contract gateway, and helps a user rapidly to get start the block chain services. The intelligent contract gateway provided by the invention provides strong support based on the block chain to third-party developers, is compatible with more applications, and thus the block chain can be more fast applied to a client; the CPOW consensus algorithm provided by the invention solves 51% attack problems, and greatly enhances transaction performance, and thus the application building cost and speed of the intelligent contract gateway based on the block chain CPOW consensus algorithm are greatly improved.

Embodiments of the present invention disclose a block chain based consensus and authentication method, a device, and a computer readable storage media. the block chain based consensus method includesgenerating a transaction block including transaction information based on a transaction associated with a first node of a block chain network; Adding the transaction block to a block chain of the first node without consensus on the transaction block; Sending a consensus message for consensus on a new checkpoint block to a second node of the block chain network, the parent block type of the new checkpoint block being a transaction block, The new checkpoint block including consensus information generated based on consensus results from the second node, and adding the new checkpoint block to theblock chain. The consensus method according to embodiments of the present disclosure can significantly reduce the data transmission load and the consensus complexity due to the need for consensus on all transactions in the system in the current block chain system.

The embodiment of the present application discloses a method, an apparatus and an electronic system for block chain parallel transaction, which are used for at least two or more transactions initiatedby one user. The two or more transactions include at least a first transaction and a second transaction. The transaction verification unit and the transaction generation unit independently execute respective steps in parallel. The transaction generation unit is configured to generate a respective unique identifier for each transaction, wherein the unique identifier includes a transaction random number corresponding to each transaction and a transaction validity period, and the transaction generation unit writes the unique identifier of each transaction into transaction data of each transaction. The transaction verification unit is configured to verify whether the transaction is valid within the validity period of each transaction. Thus, the uniqueness of the transaction is ensured, the parallelism of the transaction is realized, and the performance of the block chain transaction is improved.

Embodiments of the present disclosure disclose a block chain-based information processing method, apparatus, and computer-readable storage medium. A block chain-based information processing method includes generating a transaction block including transaction information based on a transaction associated with a first node of a block chain network; adding a transaction block to a block chain of a first node without consensus on the transaction block, the block chain of the first node further comprising a checkpoint block and the checkpoint block comprising consensus information; Consensus on a new checkpoint block to be added to the block chain of the first node; A first transaction of the first node is verified, wherein a transaction block corresponding to the first transaction is located between two adjacent checkpoint blocks in a block chain of the first node. The information processing method according to the embodiment of the present disclosure can transfer the processing right andthe authentication right of a large number of point-to-point transactions from the consensus node to the nodes of both sides of the transaction, realize partial autonomy, and effectively remove the total throughput limit of the network.

The invention discloses an alliance chain master-slave multi-chain consensus method based on a tree structure. An alliance chain consensus group is divided; an upper-layer channel and a lower-layer channel are obtained; channels are mutually isolated, classification and data isolation of different digital assets are realized; privacy requirements of data isolation are met; concurrent processing ofmultiple channels is carried out, the transaction performance is improved, the problems that an existing block chain is low in throughput and too high in transaction delay are solved. The invention provides a master-slave multi-chain architecture of a tree structure and the occupancy fault-tolerant consensus algorithm based on the threshold signature under the master-slave multi-chain architecture to solve the problem of consistency caused by diversified digital asset classification concurrent processing; the method has the advantages of low communication complexity and signature verification complexity, the master-slave multi-chain structure breaks through the function and performance constraint of a single chain and has good high-concurrency transaction performance, meanwhile, isolation protection of privacy data is considered, and diversified business requirements of enterprises are met.

The invention discloses a database check point construction method based on a virtual memory snapshot. The method comprises the steps that only one affair process exists in a database, and when a write-in or modification request is received, turning can be carried out to complete the request through writing in the memory; only one scheduling process exists in the database, when the conditions are met, the scheduling process actively notices an affair process to initiate the action of establishing a check point, then the scheduling process receives reports of the affair process and a check point process, and the system state is updated; after the affair process receives the notice of the scheduling process, the operation of virtually storing snapshot pictures is established, and then the check point process is started; after the check point process is started, the check point writes all updated data and logs in the current memory into a disk according to the virtually stored snapshoot pictures, and the advantages that the throughput rate of affairs in a database system is increased, and database affair blocking or performance shaking caused by check point establishing is avoided are achieved.

The invention discloses an information issuing system and method base on a mobile terminal. The system comprises a mobile intelligent terminal, a display terminal and an application server which are connected with the Internet. The application server is respectively connected with a database server and a geographic information system server; the geographic information system server is connected with a geographic information database server; and the application server is used for transmitting positioning issuing information of the mobile intelligent terminal to a display terminal. The system and method provided by the invention has the advantages of authenticity, accuracy and perceptibility. Mobile users can create information content and autonomously decides an information delivery triggering place. Through obtaining the real-time position of a mobile intelligent terminal user, the application server triggers to-be-sent information of a mobile user's interest point, and the information is instantly displayed to other on-site participants or display devices such that the network interaction among participants in an activity filed is realized.

An automatic transaction apparatus communicates with a Web server and performs automatic transaction according to the operation of a user in order to perform automatic transaction processing with decreasing the number of times of requests to the Web server. Objects for each processing of the transaction processing are embedded in a screen content of a Web server, a part of the screen can be updated by an applet and script of the screen content, without downloading all the updates of the screen from the Web server. The screen can be updated without communication with the Web server. The transaction performance (speed) of the automatic transaction apparatus can be improved, and load of the Web server can be decreased.

Systems and methods for the computer-automated mining and profiling of server monitoring data and related information are disclosed. Performance monitoring is performed through system commands and queries against particular software components arranged in a particular way that provides comparative information for the management and optimization of server and software resources through the identification of constraints and bottlenecks. Further, the present disclosure relates to the analysis and comparison of a current running profile of a server against previous or archived profiles. The profiles characterize the utilization and usage of server resources, or prior systems performance history for the purpose of performance tuning and resource optimization of the middleware messaging software.

The invention discloses a distributed transaction processing system which comprises a computing layer, a storage layer and a scheduling layer. The computing layer is used for receiving an SQL request of a client, converting the SQL request into a KV read-write request, transmitting the KV read-write request to the storage layer, and initiating two-stage transaction submission based on the SQL request, wherein the storage layer is used for providing a read-write interface for two-stage transaction submission initiated by the calculation layer and providing storage service; and the scheduling layer is used for maintaining meta-information of the whole cluster, including KV data distribution information and the like, providing global time service for the computing layer and the storage layer, and storing distributed information submitted in two stages of transactions. When the transaction is submitted, the transaction is submitted through a two-stage submission protocol, and a multi-version concurrency control mechanism is adopted, so that mutual blocking of reading and writing is avoided.

The invention discloses a data processing method and device based on a block chain network and computer equipment, and the method comprises the steps that management equipment obtains a transaction request carrying transaction data and reference signature data, determines target endorsement equipment, and transmits the transaction request to the target endorsement equipment; when the transaction data and the reference signature data pass the verification, the target endorsement equipment determines a matching node device, acquires a signature key of the matching node device, determines to-be-signed data according to the transaction data, performs endorsement signature on the to-be-signed data by using the signature key of the matching node device to obtain endorsement signature data, and sends the endorsement signature data to the management device; and the management device generates a transaction block according to the endorsement signature data and the transaction data. According tothe embodiment of the invention, the time required for consensus can be effectively saved, so the transaction performance of the whole network is improved.

An automatic transaction apparatus communicates with a Web server and performs automatic transaction according to the operation of a user in order to perform automatic transaction processing with decreasing the number of times of requests to the Web server. Objects for each processing of the transaction processing are embedded in a screen content of a Web server, a part of the screen can be updated by an applet and script of the screen content, without downloading all the updates of the screen from the Web server. The screen can be updated without communication with the Web server. The transaction performance (speed) of the automatic transaction apparatus can be improved, and load of the Web server can be decreased.

The invention belongs to the technical field of off-chain payment center routing of a block chain, and discloses an off-chain payment center routing method and system based on a block chain, a mediumand equipment, and the method comprises the steps: each transaction in a payment channel network is segmented into a series of transaction units which are independently routed; a payment center selects an appropriate path to route the segmented transaction units; the payment center maintains a payment rate of a transaction unit in the network to maintain fund balance of the payment channel network; and the payment center performs congestion control on the flow of the transaction units in the network. To solve the problems of low network transaction performance, unbalanced channel fund flow, limited transaction amount of channel capacity and the like of the existing block chain payment channel network, a routing scheme of a payment channel center in the block chain payment channel network and a channel fund flow rate control technology are researched; transaction of a large amount of money can be executed in a low-capacity channel, and high transaction throughput is achieved on the premise that channel balance is not broken.

A Registration protocol is used in transaction processing for normal operations. If an error occurs, the system reverts to a Full Broadcast protocol. The Registration Protocol reduces the number of messages that are sent among CPUs in a cluster thereby permitting performance improvements in the system. The Registration Protocol has Begin, DP2 Check, Phase 1 Flush and Phase 2 (lock release) phases just as does the Full Broadcast Protocol, thereby permitting the Full Broadcast protocol to step in at any phase after an error is detected.

The invention discloses a bank transfer method and system based on a blockchain network, and the method comprises the steps: receiving a bank account transfer request which comprises a payment account, a collection account and a transfer amount; according to the bank account transfer request, generating a virtual account transfer request, wherein the virtual account transfer request comprises a payment virtual account, a collection virtual account and a virtual currency amount; sending the virtual account transfer request to the blockchain network, wherein the blockchain network pushes the virtual account transfer request to a payee server, and the payee server returns a transfer transaction result according to the virtual account transfer request. According to the invention, the transaction speed and the transaction performance can be improved on the basis of solving the problems of single-point fault hidden danger, personal information exposure and high business service charge of thetraditional banking business.

The invention discloses a power transaction method based on a multi-chain type block chain architecture, and the method comprises the steps: pre-constructing the multi-chain type block chain architecture, enabling a plurality of block chains to be coupled through a plurality of common nodes, and setting a transaction target function and a constraint condition; when a transaction demand is generated, each node carries out a transaction in a manner of signing an intelligent contract according to a preset transaction objective function and a constraint condition, and competes for an accounting right according to an accounting right consensus algorithm based on an integrity value, and the shared node carries out cross-chain processing on information between different block chains in the transaction process. According to the invention, the multi-chain block chain is adopted, and various types of information related to the transaction can be selectively shared and verified in a multi-chain architecture through common node coupling, so that the security is improved; the accounting right is competed through the accounting right consensus algorithm based on the honesty value, the node user can be guided to comply with the intelligent contract, the priority of the honesty node is improved, malicious behaviors are avoided, and the transaction efficiency and quality are improved.

The invention relates to a rebalance strategy execution method for off-chain payment in a block chain, which improves the final effect of a rebalance strategy and can find out as many effective pathsas possible under the condition that the time complexity is slightly improved. On the basis of ensuring that the strategy is more fair and reasonable in the execution process, non-standard behaviors of some malicious nodes in the rebalance strategy are inhibited, and the benefits of honest nodes in the rebalance process are also maintained; and meanwhile, the fund offset problem in the blockchainpayment channel is relieved, and the availability of the payment channel is improved.

The invention discloses a database and object storage transaction consistency processing method and system, and the method comprises the steps: obtaining a transaction data file and file metadata information; recording data file storage information in the flexible transaction table; uploading the data file to an object storage position; if the uploading of the data file fails, returning transaction failure information; if the data file is uploaded successfully, continuing to execute the database transaction, recording the corresponding file metadata information in the database data table, anddeleting data file storage information corresponding to the data file in the flexible transaction table; if the database transaction is successfully executed, returning transaction success information; if the execution fails, returning transaction failure information; regularly reading data file storage information in the flexible transaction table; searching corresponding data files in the objectstorage in batches and deleting the data files; when the data file is successfully deleted or the corresponding data file is not found in the object storage, deleting the information recorded in theflexible transaction table.

The invention belongs to the technical field of block chains, and discloses a DAG block chain structure system and method based on an account chain and a guide chain. According to the invention, the account chain and the guard chain are single chains; receiving and sending of transactions between the account chains and deployment of contract transactions are completed through the corresponding transaction blocks; the guard chain completes transaction guarding by packaging the corresponding transaction blocks; transaction determination is separated from block consensus, and transactions can be subjected to consensus asynchronously; therefore, the transaction performance is greatly improved, and the transaction confirmation time is shortened.

The embodiment of the invention provides a blockchain cross-chain interaction method and system, and belongs to the technical field of blockchains. The method comprises the following steps that a client registers each timing task of each application and transmits a registration result to a main chain; after the main chain monitors that the target timing task is linked on the main chain, a task linking notification is initiated, and the task linking notification is used for indicating the transaction state of the target timing task on the main chain and linking the target timing task; a side chain acquires and executes a target timing task from the main chain in a cross-chain data transmission mode; the side chain modifies the state of the target timing task into a stop state, and synchronously updates the stop state of the executed target timing task to the main chain in a cross-chain data transmission mode; and the target timing task is ended on the main chain and the side chain. Through the scheme of the invention, the purposes of unified management and concurrent control of timing tasks of multiple applications by the main chain system and the overall transaction performance ofthe main chain node are improved, so the user-oriented performance is more optimized.

The invention provides a method for improving traffic one-card transaction performance, a computer device and a computer readable storage medium. The method comprises the steps of obtaining a first balance value of a first payment application and storing the first balance value into a first byte type array cache unit; querying the first balance value bit by bit according to a preset data mapping table to obtain list data corresponding to each number in the first balance value; and accumulating and adding the list data corresponding to each number to obtain a second balance value of the secondpayment application, and storing the second balance value in a second byte type array cache unit. The computer device is provided with a processor, and the method for improving the traffic one-card transaction performance can be achieved when the processor executes a program. The computer readable storage medium is equipped with a computer program and is used for achieving the method for improvingthe traffic one-card transaction performance. By applying the method, the conversion speed and efficiency can be improved, so that the card swiping transaction performance of the whole traffic all-purpose card can be improved.

The invention discloses an alliance chain optimization method and device based on Ethereum, and relates to the field of blockchain. The method comprises the steps: receiving transaction data, and judging whether the transaction data is legal or not: if yes, removing gas processing logic of the transaction data, submitting the transaction data to a transaction pool, performing transaction maintenance on the transaction data in the transaction pool, extracting the transaction data, and performing transaction data block chaining according to a consensus mechanism. By adding the transaction data into the transaction pool, the gas processing logic of the transaction data is removed, the alliance chain transaction complexity is reduced, and the transaction performance and the transaction data processing success rate are improved. The method can be widely applied to the alliance chain transaction field.

The invention provides a transaction data updating method and device, and the method comprises the steps: querying a first transaction information table after a transaction happens online, judging that the transaction is an effective transaction, and writing the transaction flow information of the transaction into a transaction flow information table when the transaction is the effective transaction; scanning a plurality of pieces of transaction flow information of which the final modification state is a first state in the transaction flow information table every a first set duration, temporarily storing the transaction flow information in a first list, and arranging the transaction flow information according to a preset sorting mode; according to the sequence of the transaction flow information in the first list, calling the amount updating transaction, updating the amount information table one by one, and after each piece of transaction flow information is successfully updated, changing the final modification state of the piece of transaction flow information in the transaction flow information table into a second state, and writing the serial number of the transaction flow information into the last updated serial number in the amount information table. According to the invention, the problem of updating failure caused by optimistic locks in transaction data updating affairscan be solved.

The invention discloses a distributed data access method and device and a storage medium, and the method comprises the steps: calling a preset data access component to receive a data access request sent by a business system, and judging whether data routing information needs to be generated or not according to the data access request; if data routing information needs to be generated, a corresponding storage space is accessed according to the generated data routing information and the data access request, an access result is obtained, and the storage space at least comprises one of a storage database and a distributed cache; and processing the access result to obtain a final access result, and sending the final access result to the service system. According to the invention, data routing and result processing are carried out in the business system and the intermediate link of data storage through the preset data access component, so that the technical effect of improving the data access efficiency is achieved.

The invention discloses an automatic transaction type platform system, and relates to the field of networked transaction systems. The automatic transaction type platform system comprises a front end, a rear end, a database and a management end, wherein the front end is a layering layout frame which is composed of a locating layer, a navigation layer, a selling point layer, a public trust layer, a witness layer, a consultation layer and a transaction layer, and the rear end is a function module program, and includes a bait transaction chain, product information exhibition, advantage and characteristic exhibition, content management, a transaction shopping cart, order forms, payment and delivery. By means of a series layering standard of the layering layout frame of the front end, the workload and complexity of page design of the front end can be reduced; by means of combination and configuration of the function module program of the rear end, a needed function site can be rapidly set up, and development cost is reduced; by means of a Windows server operating system which is wide in range of application, difficulty of technology implementation is reduced.

The invention relates to a device with a display function and a method for improving the operation performance of the device with the display function, and the method comprises the steps: dividing a display flow into a plurality of stages, and dividing the stages into different processing flows; performing internal timing of the main module, and respectively setting initial execution time for each stage of the display process according to the required execution time corresponding to each stage of the display process; enabling the main device to receive a transaction starting instruction sent by the terminal device and start a transaction process; and enabling the main device to execute the transaction process and regularly control the display module to execute the corresponding processing process according to the initial execution time corresponding to each stage of the display process, so that parallel execution of the transaction process and the display process is realized. According to the method, the security device can realize friendly display, and the transaction performance of the security device is not influenced.

The invention discloses a transaction settlement system which comprises a business system, a transaction system, a payment system, a charging system, a message system and an accounting system. The transaction system comprises a transaction engine module, a data persistence module, a process engine module, a rule engine module, a fund processing module, a product account access module, a charging access module, a merchant notification module and a unified event module, and the payment system comprises a payment service module, a payment instruction module, a clearing service module, a clearing instruction module and a bank transaction module. The payment service module comprises a recharge protocol module, a cash withdrawal protocol module, a recharge and withdrawal protocol module and an internal transfer protocol module; the clearing service module comprises a channel management module, a task scheduling module, a file processing module and a real-time processing module; the real-time processing module comprises an online bank access module, a cartoon access module, a bank-enterprise direct connection module and an other bank access mode module, and the accounting system comprises an accounting system, a message system and a bank flow registration system.

The invention discloses a tree-structured alliance chain master-slave multi-chain consensus method. By dividing the alliance chain consensus group, the upper channel and the lower channel are obtained, and the channels are isolated from each other to realize the classification and classification of different digital assets. Data isolation meets the privacy requirements of data isolation, and multiple channels are processed concurrently, which improves transaction performance and solves the problems of low throughput and high transaction delay in the existing blockchain. Chain architecture, and the Byzantine fault-tolerant consensus algorithm based on threshold signature under the master-slave multi-chain architecture solves the consistency problem caused by concurrent processing of diversified digital asset classification, and has the advantages of low communication complexity and signature verification complexity. Master-slave The multi-chain structure breaks through the functional and performance constraints of a single chain, has good high concurrent transaction performance, and takes into account the isolation and protection of private data, meeting the diverse business needs of enterprises.

The invention discloses a data source switching method and device, a computer device and a storage medium, and relates to the technical field of databases. The data source switching method comprises the steps of controlling an auxiliary data source to be in long connection with a main data source; predicting two time points with minimum transaction volume in a future transaction period, namely a first time point and a second time point; or predicting two time points with the minimum transaction failure rate in a future transaction period, namely a third time point and a fourth time point; whena first time point is reached, controlling to switch the main data source to an auxiliary data source, and when a second time point is reached, controlling to switch the auxiliary data source to themain data source; or, when a third time point is reached, controlling the main data source to be switched to the auxiliary data source, and when a fourth time point is reached, controlling the auxiliary data source to be switched to the main data source. According to the invention, high transaction performance can be maintained after switching, and transaction delay is reduced.