CN110099106B - Method and terminal for data synchronization between nodes in block chain - Google Patents
Method and terminal for data synchronization between nodes in block chain Download PDFInfo
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- CN110099106B CN110099106B CN201910332463.0A CN201910332463A CN110099106B CN 110099106 B CN110099106 B CN 110099106B CN 201910332463 A CN201910332463 A CN 201910332463A CN 110099106 B CN110099106 B CN 110099106B
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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
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
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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
Abstract
The invention provides a method and a terminal for data synchronization among nodes in a block chain, wherein a block chain updating message is broadcasted to a block chain network; receiving a request synchronization message sent by a node in a block chain network, wherein the node receives the block chain updating message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message; synchronizing the data matched with the broadband capability information to the corresponding node; the data synchronization mechanism based on the real-time network transmission capability of the block chain nodes is realized, the data synchronization efficiency among the nodes in the block chain network is improved, meanwhile, due to the unpredictability and the immobility of the bandwidth capability of each node in the block chain network, the unpredictability of the nodes for performing data synchronization and the data updated by each node is determined, and the data safety and the fairness among the nodes are also ensured.
Description
Technical Field
The present invention relates to the field of block chain technologies, and in particular, to a method and a terminal for data synchronization between nodes in a block chain.
Background
As the number of the block chain link points is increased, the operation efficiency of the block chain is reduced, and the computational cost charged to the user is increased, which has seriously influenced the application development of the block chain technology. In the blockchain platform, in order to ensure the security of data storage, data of any one node needs to be synchronously stored to other nodes after being updated, however, as the stored data is more and more, the data needing to be synchronized between the nodes is more and more, which results in longer time consumption for each synchronization, and as the nodes are more and more, the time required for a latest data to be synchronized to all the nodes is more and more, which results in lower efficiency of blockchain operation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a method and a terminal for data synchronization between nodes in a block chain are provided, which can improve the speed of data synchronization between nodes in the block chain.
In order to solve the technical problems, the invention adopts a technical scheme that:
a method for data synchronization between nodes in a block chain comprises the following steps:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
and S3, synchronizing the data matched with the broadband capability information to the corresponding node.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a terminal for data synchronization between nodes in a blockchain, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
and S3, synchronizing the data matched with the broadband capability information to the corresponding node.
The invention has the beneficial effects that: according to the data which is synchronously adaptive to the broadband capacity of each node in the block chain network, a data synchronization mechanism based on the transmission capacity of the block chain node real-time network is realized, the data synchronization efficiency among the nodes in the block chain network is improved, meanwhile, due to the unpredictability and the immobility of the bandwidth capacity of each node in the block chain network, the unpredictability of the nodes for data synchronization and the data updated by each node is determined, and the data safety and the fairness among the nodes are also ensured.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for data synchronization between nodes in a block chain according to an embodiment of the present invention;
FIG. 2 is a detailed flowchart of a method for data synchronization between nodes in a block chain according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal for data synchronization between nodes in a block chain according to an embodiment of the present invention;
description of reference numerals:
1. a terminal for data synchronization between nodes in a block chain; 2. a memory; 3. a processor.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most critical concept of the present invention is to synchronize data matching with broadband capability information to a corresponding node according to a synchronization request message including the broadband capability information transmitted by a node in a blockchain network.
Referring to fig. 1, a method for data synchronization between nodes in a block chain includes the steps of:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
and S3, synchronizing the data matched with the broadband capability information to the corresponding node.
From the above description, the beneficial effects of the present invention are: according to the data which is synchronously adaptive to the broadband capacity of each node in the block chain network, a data synchronization mechanism based on the transmission capacity of the block chain node real-time network is realized, the data synchronization efficiency among the nodes in the block chain network is improved, meanwhile, due to the unpredictability and the immobility of the bandwidth capacity of each node in the block chain network, the unpredictability of the nodes for data synchronization and the data updated by each node is determined, and the data safety and the fairness among the nodes are also ensured.
Further, the block chain update message includes an updated block number;
in step S2, the node in the receiving blockchain network that receives the blockchain update message according to the request synchronization message sent by the blockchain update message includes:
and receiving a request synchronization message sent by a node receiving the block chain updating message in the block chain network after comparing the latest block number with the updated block number.
As can be seen from the above description, the block chain update message includes an updated block number, so that a node that receives the block chain update message can determine whether data update is needed directly based on the block number, which is convenient and fast.
Further, the step S1 includes the steps of:
and S0, sending the calculation power to the block chain server, receiving the block chain data to be updated sent by the block chain server and updating the block chain.
As can be seen from the above description, by sending the calculation power to the blockchain server, the blockchain server determines a node capable of updating the blockchain data according to the received calculation power, and sends the corresponding blockchain data to be updated, so that the efficiency of updating the blockchain data is further ensured by the calculation power.
Further, the step S3 includes:
and sending the complete block chain updating data to a node with high bandwidth capability, and sending updating log data corresponding to the complete block chain updating data to a node with low bandwidth capability.
According to the description, for the nodes with high bandwidth capability, the complete block chain updating data is sent, and for the nodes with low bandwidth capability, only the updating log data corresponding to the complete block chain updating data is sent, so that the corresponding updating data is sent according to the bandwidth capability of the nodes, and the efficiency of data synchronization between the nodes is improved.
Further, the step S3 further includes:
averaging the broadband capacity information corresponding to each node in all the received request synchronization messages to obtain an average bandwidth;
determining the nodes with the bandwidth larger than the average bandwidth in the nodes sending the request synchronization message as the nodes with high broadband capability;
and determining the nodes with the bandwidth less than or equal to the average bandwidth as the nodes with low bandwidth capability in the nodes sending the request synchronization message.
As can be seen from the above description, by averaging the received broadband capability information of all nodes to obtain an average bandwidth, determining a node with a bandwidth greater than the average bandwidth as a node with high broadband capability, and determining a node with a bandwidth less than or equal to the average bandwidth as a node with low broadband capability, the determination criterion can be adaptively changed according to the change of the actual network environment, thereby improving the accuracy of determining the bandwidth capability of the node.
Referring to fig. 3, a terminal for data synchronization between nodes in a blockchain includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the following steps when executing the computer program:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
and S3, synchronizing the data matched with the broadband capability information to the corresponding node.
From the above description, the beneficial effects of the present invention are: according to the data which is synchronously adaptive to the broadband capacity of each node in the block chain network, a data synchronization mechanism based on the transmission capacity of the block chain node real-time network is realized, the data synchronization efficiency among the nodes in the block chain network is improved, meanwhile, due to the unpredictability and the immobility of the bandwidth capacity of each node in the block chain network, the unpredictability of the nodes for data synchronization and the data updated by each node is determined, and the data safety and the fairness among the nodes are also ensured.
Further, the block chain update message includes an updated block number;
in step S2, the node in the receiving blockchain network that receives the blockchain update message according to the request synchronization message sent by the blockchain update message includes:
and receiving a request synchronization message sent by a node receiving the block chain updating message in the block chain network after comparing the latest block number with the updated block number.
As can be seen from the above description, the block chain update message includes an updated block number, so that a node that receives the block chain update message can determine whether data update is needed directly based on the block number, which is convenient and fast.
Further, the step S1 includes the steps of:
and S0, sending the calculation power to the block chain server, receiving the block chain data to be updated sent by the block chain server and updating the block chain.
As can be seen from the above description, by sending the calculation power to the blockchain server, the blockchain server determines a node capable of updating the blockchain data according to the received calculation power, and sends the corresponding blockchain data to be updated, so that the efficiency of updating the blockchain data is further ensured by the calculation power.
Further, the step S3 includes:
and sending the complete block chain updating data to a node with high bandwidth capability, and sending updating log data corresponding to the complete block chain updating data to a node with low bandwidth capability.
According to the description, for the nodes with high bandwidth capability, the complete block chain updating data is sent, and for the nodes with low bandwidth capability, only the updating log data corresponding to the complete block chain updating data is sent, so that the corresponding updating data is sent according to the bandwidth capability of the nodes, and the efficiency of data synchronization between the nodes is improved.
Further, the step S3 further includes:
averaging the broadband capacity information corresponding to each node in all the received request synchronization messages to obtain an average bandwidth;
determining the nodes with the bandwidth larger than the average bandwidth in the nodes sending the request synchronization message as the nodes with high broadband capability;
and determining the nodes with the bandwidth less than or equal to the average bandwidth as the nodes with low bandwidth capability in the nodes sending the request synchronization message.
As can be seen from the above description, by averaging the received broadband capability information of all nodes to obtain an average bandwidth, determining a node with a bandwidth greater than the average bandwidth as a node with high broadband capability, and determining a node with a bandwidth less than or equal to the average bandwidth as a node with low broadband capability, the determination criterion can be adaptively changed according to the change of the actual network environment, thereby improving the accuracy of determining the bandwidth capability of the node.
Example one
Referring to fig. 1, a method for data synchronization between nodes in a block chain includes the steps of:
s1, after a certain node in the block chain network updates the block chain data, broadcasting a block chain updating message to the block chain network;
wherein the block chain update message comprises an updated block number;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
specifically, the node that receives the blockchain update message in the blockchain receiving network according to the request synchronization message sent by the blockchain update message includes:
receiving a request synchronization message sent by a node receiving the block chain updating message in a block chain network after comparing the latest block number with the updated block number;
if the latest block number of the node is greater than or equal to the updated block number in the block chain update message, the request synchronization message is not sent, and if the latest block number of the node is less than the updated block number in the block chain update message, the request synchronization message is sent;
the request synchronization message comprises a network bandwidth monitoring function, and the broadband capacity information corresponding to the node sending the request synchronization message can be determined through the network bandwidth monitoring function;
s3, synchronizing the data matched with the broadband capability information to the corresponding node;
specifically, the broadband capability information corresponding to each node in all the received request synchronization messages is averaged to obtain an average bandwidth, for example, the request synchronization messages sent by 10 other nodes are received altogether, and the average bandwidth of the 10 other nodes is obtained according to the bandwidth capability information included in the request synchronization messages sent by the 10 nodes;
determining the nodes with the bandwidth larger than the average bandwidth in the nodes sending the request synchronization message as the nodes with high broadband capability;
determining the nodes with the bandwidth less than or equal to the average bandwidth in the nodes sending the request synchronization message as the nodes with low bandwidth capability;
sending complete block chain updating data to the node with high bandwidth capability, and sending updating log data corresponding to the complete block chain updating data to the node with low bandwidth capability;
the specific implementation process of the above steps is shown in fig. 2.
Example two
The difference between this embodiment and the first embodiment is that after determining the blockchain data to be updated, the blockchain data to be updated is sent to the node with lower computational cost through the blockchain server for updating, which is specifically implemented as follows:
s0, each node sends self calculation power to the blockchain server, and the blockchain server selects the node server with the strongest calculation power from the nodes closest to the node according to the calculation power and the position of each node for updating the blockchain data to be updated and sends the blockchain data to be updated to the selected node;
s1, the selected node receives the blockchain data to be updated sent by the blockchain server and updates the blockchain, and then performs the steps in the first embodiment;
the cost of data synchronization between nodes in a block chain network is divided into two parts, namely time cost of information transmission and calculation cost of the nodes, wherein the distance and the network bandwidth determine the transmission cost, and the node calculation power, namely the calculation capacity of the nodes, namely the calculation capacity of each node computer server determines the calculation cost.
EXAMPLE III
Referring to fig. 3, a terminal 1 for data synchronization between nodes in a block chain includes a memory 2, a processor 3, and a computer program stored in the memory 2 and executable on the processor 3, where the processor 3 implements the steps in the first embodiment when executing the computer program.
Example four
Referring to fig. 3, a terminal 1 for data synchronization between nodes in a block chain includes a memory 2, a processor 3, and a computer program stored in the memory 2 and executable on the processor 3, where the processor 3 implements the steps in the second embodiment when executing the computer program.
In summary, the method and the terminal for data synchronization between nodes in a blockchain provided by the present invention select a computationally intensive node to update blockchain data, and the node that updates blockchain data synchronizes adaptive data according to the broadband capabilities of each node in a blockchain network, so as to implement a data synchronization mechanism based on the real-time network transmission capability of blockchain nodes, and improve the data synchronization efficiency between nodes in the blockchain network in consideration of the transmission cost and the computational cost.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method for data synchronization between nodes in a block chain, comprising the steps of:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
s3, synchronizing the data matched with the broadband capability information to the corresponding node, specifically including:
sending complete block chain updating data to a node with high bandwidth capability, and sending updating log data corresponding to the complete block chain updating data to a node with low bandwidth capability;
the step S3 further includes:
averaging the broadband capacity information corresponding to each node in all the received request synchronization messages to obtain an average bandwidth;
determining the nodes with the bandwidth larger than the average bandwidth in the nodes sending the request synchronization message as the nodes with high broadband capability;
and determining the nodes with the bandwidth less than or equal to the average bandwidth as the nodes with low bandwidth capability in the nodes sending the request synchronization message.
2. The method of claim 1, wherein the blockchain update message includes an updated block number;
in step S2, the node in the receiving blockchain network that receives the blockchain update message according to the request synchronization message sent by the blockchain update message includes:
and receiving a request synchronization message sent by a node receiving the block chain updating message in the block chain network after comparing the latest block number with the updated block number.
3. The method of claim 1, wherein the step S1 is preceded by the steps of:
and S0, sending the calculation power to the block chain server, receiving the block chain data to be updated sent by the block chain server and updating the block chain.
4. A terminal for data synchronization between nodes in a block chain, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to perform the following steps:
s1, broadcasting the block chain updating message to the block chain network;
s2, receiving a request synchronization message sent by a node in the block chain network, wherein the node receives the block chain update message, and the request synchronization message comprises broadband capacity information corresponding to the node sending the request synchronization message;
s3, synchronizing the data matched with the broadband capability information to the corresponding node, specifically including:
sending complete block chain updating data to a node with high bandwidth capability, and sending updating log data corresponding to the complete block chain updating data to a node with low bandwidth capability;
the step S3 further includes:
averaging the broadband capacity information corresponding to each node in all the received request synchronization messages to obtain an average bandwidth;
determining the nodes with the bandwidth larger than the average bandwidth in the nodes sending the request synchronization message as the nodes with high broadband capability;
and determining the nodes with the bandwidth less than or equal to the average bandwidth as the nodes with low bandwidth capability in the nodes sending the request synchronization message.
5. A terminal for data synchronization between nodes in a blockchain as claimed in claim 4, wherein the blockchain update message includes an updated block number;
in step S2, the node in the receiving blockchain network that receives the blockchain update message according to the request synchronization message sent by the blockchain update message includes:
and receiving a request synchronization message sent by a node receiving the block chain updating message in the block chain network after comparing the latest block number with the updated block number.
6. The terminal of claim 4, wherein the step S1 is preceded by the steps of:
and S0, sending computing power to the blockchain server, receiving the blockchain to be updated sent by the blockchain server, and updating the blockchain.
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| CN110830138B (en) * | 2019-10-31 | 2021-09-14 | 联想(北京)有限公司 | Information processing method, electronic equipment and server |
| CN112104558B (en) * | 2020-10-30 | 2021-09-07 | 上海交通大学 | Method, system, terminal and medium for implementing block chain distribution network |
| CN112287031B (en) * | 2020-12-15 | 2021-04-23 | 腾讯科技（深圳）有限公司 | Data synchronization method and device of block chain system, readable medium and electronic equipment |
| CN112765222B (en) * | 2021-04-07 | 2021-07-20 | 暗链科技(深圳)有限公司 | Block chain-based data transmission method, storage medium and electronic device |
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