CN109213767A - A kind of account data management method suitable for block chain - Google Patents
A kind of account data management method suitable for block chain Download PDFInfo
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- CN109213767A CN109213767A CN201811094998.0A CN201811094998A CN109213767A CN 109213767 A CN109213767 A CN 109213767A CN 201811094998 A CN201811094998 A CN 201811094998A CN 109213767 A CN109213767 A CN 109213767A
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Abstract
The invention discloses a kind of account data management methods suitable for block chain, comprising: calculates the liveness of an account, the account data of the account is stored in a node of block chain；Judge the relationship of the account data liveness of the account and the threshold value of setting；When the account data satisfaction and threshold value relativeness condition of the account, the account data of account is subjected to compression and forms compression account data；Compression account data is stored in compressed data storage region and records its index；Delete the meta account data of account.The invention has the beneficial effects that: provide that a kind of logic is simple, realizes the scheme of easily and fast effective block chain node account data storage management.
Description
Technical field
The present invention relates to a kind of account data management methods suitable for block chain.
Background technique
As with the emergence for the block chain 2.0 that " intelligent contract " is mark, more and more users participate in these blocks
Platform chain (such as ether mill), and start to arrange the intelligent contract of oneself on chain.This brings pressure for storage, because of system
Node can carry more and more account datas.As in current ether mill system, each node can institute in storage system
Some account informations, this causes very big pressure to the hard disk of node, ten for wanting to participate in the user in the system
Divide unfriendly.The invention proposes a kind of methods for clearing up inactive account, to reduce the pressure of account data storage.
Also underway to the research of node account data storage pressure at present, there are no mature solutions, at present
There are two solutions in research:
(1) fragment (sharding): the node in cluster is divided into several groups, every group of a part of account data of storage.
(2) distributed document stores: data being shared storage using the bottoms distributed document memory technology such as IPFS.
The realization of above-mentioned two scheme is all very complicated, and mature engineering science is not realized, is badly in need of alleviating block chain storage pressure
The scheme of power.
Summary of the invention
A kind of account data management method suitable for block chain, comprising: calculate the liveness of an account, the account of the account
User data is stored in a node of block chain；Judge the relationship of the account data liveness of the account and the threshold value of setting；
When the account data satisfaction and threshold value relativeness condition of the account, the account data of account is subjected to compression and forms compression account
User data；Compression account data is stored in compressed data storage region and records its index；Delete the meta account number of account
According to.
Further, the node of block chain is classified；Judge the type of the node of block chain；When node is general section
The liveness of account is calculated when calculating the node on the account when point.
Further, it is important node that the method for classification, which includes: by several node definitions before in block chain, if will be preceding
Node definition after dry node is general node.
Further, the method for classification further include: general node sends application for upgrading to several important nodes；It is several important
Node examines application for upgrading, and is known together using PBFT algorithm；When the important node quantity of common recognition is greater than upgrade threshold, one
As node be converted to important node.
Further, including at least the quantity of the account of the storage of general node in application for upgrading.
Further, the relationship for judging the account data liveness of account and the threshold value of setting includes: enlivening when account
When degree is less than first threshold, the label account is active account.
Further, the relationship for judging the account data liveness of account and the threshold value of setting includes: enlivening when account
When degree is greater than first threshold and is less than second threshold, the label account is regular account.
Further, the relationship for judging the account data liveness of account and the threshold value of setting includes: enlivening when account
When degree is greater than second threshold, the label account is blunt account.
Further, suitable for the account data management method of block chain further include:
Account data is searched according to index, and by the data decompression of account.
Further, suitable for the account data management method of block chain further include:
The request of inquiry account data is sent to important node, important node sends anti-according to the data storage condition of account
Feedback；
General node judges whether to need to establish data connection with important node according to the feedback of important node.
The invention has the beneficial effects that:
Provide that a kind of logic is simple, realizes the side of easily and fast effective block chain node account data storage management
Case.In addition, the present invention also possesses according to the liveness of account the manner of cleaning up for carrying out different levels, reach wanting of clearing up on demand
It asks.
Detailed description of the invention
Fig. 1 is the recycling process diagram to some account a for being stored in some node A in block chain；
Fig. 2 is the flow chart using the data of a account of the node A on block chain.
Specific embodiment
Block chain is formed by connecting by several nodes.
General node and two kinds of node types of important node are defined, is classified to the node in block chain.By each
Preceding n node sets in block chain including wound generation node are important node.(n+1)th and later node are when founding
It is defined as general node.The type of node is marked by the name or node address data of node, other nodes pass through
The type of the node can be judged by reading the label.
Account information is stored on node.
The account liveness being stored on node is judged, for the account a of storage on node a, definition is active
It spends Deactive (a), the function for calculating liveness Deactive (a) can indicate are as follows:
Deactive (a)=currentDate (a)-lastRelatedDate (a)
Deactive (a) is to indicate that the upper relationship trading distance of a account calls the date differences at function moment.
CurrentDate indicate current date, the unit of current date can be the second, point, when, day, Yue Deng chronomere.
LastRelatedDate indicates last trade date related with account a, due to each pen on block chain
Transaction record all at least will record " sender ", " recipient ", " timestamp " this three samples information, and LastRelatedDate (a) takes
Max (with a being for the last time the time of the transaction of recipient for the time of the transaction of sender or last time with a) can be calculated
?.The unit of lastRelatedDate and the unit of currentDate are consistent.
It is being as chronomere using " day ", if a account had sent one before one day transfers accounts or have received one
It transfers accounts, then Deactive (a) is just 1.
Removal process to some account a for being stored in some node A in block chain includes such as step S100:
In step S101, define liveness threshold value in the wound generation block of block chain, liveness threshold value include first threshold with
Second threshold, first threshold and second threshold are all as unit of the time, and first threshold < second threshold；
In step S102, the type of stage A is judged, if node A is important node, the data of account a are not appointed
What is operated；If node A is general node, S103 is entered step；
In step S103, the transaction record of a is obtained, is calculated Deactive (a)；
In step S104, Deactive (a) is compared with liveness threshold value, and according to comparison result, executes respectively
Different recycling algorithms: if Deactive (a)≤first threshold, not carrying out any operation to the data of account a, while can be with
Account a is labeled as active account；If first threshold < Deactive (a) < second threshold, enters step S105；If
Deactive (a) >=second threshold, then enter step S106；
In step S105, the data of account a are compressed, and the compression number by compressed data storage on disk
According to storage region and recording indexes.Then the initial data of the account is deleted from local disk.It, can be in step S105
Account a is labeled as regular account；
In step S106, the important node into block chain sends inquiry request, and request, which is inquired in these important nodes, to be had
The record data for closing account a, if storing the data in relation to account a in some important node, which sends out to node A
Send feedback.Node A record storage has the quantity of the important node of account a data.
In step S107, the quantity for being stored with the important node of account a data is compared with storage threshold value, when the quantity
When more than storage threshold value, it is believed that there is sufficient amount of important node to store the data of account a, nothing in the local disk of node A
Repetition storage need to be carried out again to remove the content of the account from disk at this point, entering step S108.It is deposited if the quantity is less than
Store up threshold value, then it is assumed that the data of account a are volatile, are compressed at this point, entering step S105 to the data of account a, and will
Compressed data storage region of the compressed data storage on disk and recording indexes, then the account from local disk
Initial data delete.In step S107, account a can also be labeled as blunt account.
When the local disk storage pressure of some node is larger, node maintenance person can choose touching and pass through step S100
The account stored on node is handled, in processing, if not needing to redefine liveness threshold value, step can be saved
S101。
After the processing of S100, the account storage data quantity on block chain is compressed, and is being needed using block chain
On node A a account data when, step S200 includes:
In step S201, the account number for searching a is carried out from the uncompressed data space in the local disk of node A
According to, if having found the account data of a, enter step S204, by the data take out use, if in the local disk of node A
The account data less than a is searched in interior uncompressed data space, then enters step S202；
In step S202, the account number of a is searched in the region of storage compression account data out of node A local disk
According to if having found the account data of a, entering step S205, which taken out and decompressed.The local disk of node A
The account data less than a is searched in the region of interior storage compression account data, then enters step S203.It is carried out in step S202
When lookup, the index generated in step S106 can use, to improve the speed of step S202 operation.
In step S203, other important node broadcast requests into block chain, the content of request includes the important node
The data of account a whether are contained, the positive reply that important node issues is received, and request to transmit account a with the important node
Data.
Benefit can be being really needed for regular account or blunt account by the data recovery operation of step S200
It is stored with when account data in the data to the regular account or blunt account, reduces the storage of node local disk
Pressure.
As can be seen from the above description, important node has serviced entire block chain, therefore, steady, the efficient fortune of important node
Row, it is most important to the recycling using S100, S200, the block catenary system of recovery algorithms.Draw in block chain operation architecture
Enter the economic limit water cut based on ballot to important node, the step of mechanism includes:
Each general node when restoring account data from important node by step S203, record recovery account and
Data volume and wallet address.By wallet address, the user of general node initiatively can transfer accounts to important node offer
Excitation.
Such incentive mechanism is introduced, so that the user of rationality tends to alleviate by service as important node
The disk pressure of oneself.And if important node cannot reward, will power shortage storage service is provided.
Simultaneously as also having encouraged general node to become important node there are economic incentives, having avoided important node excessively
Centralization caused by single.
The method that following general node is converted to important node: this method packet can also be set in block chain operation rule
It includes:
Other important nodes of node general first into block chain broadcast an application for upgrading message, which disappears
Breath is that is, the general node declares it oneself is important node.The application for upgrading message is at least made of following three parts:
(1) quantity of the account of the general node storage；
(2) these account amounts of the general node storage are in local corresponding storing data size；
(3) in the general node any one inactive account complete transaction information, Transaction Information include transaction go through
Records of the Historian record, remaining sum, foundation time etc..
Wherein, the quantity of account and be locally stored the two information of size of data for other node specifications issue upgrade
The node of application has stored enough account informations.Storing enough account informations is that a node upgrading is attached most importance to
Want the precondition of node.
It further include the complete transaction information of inactive account in application for upgrading message, which will be responsible for
Whether the application for upgrading for examining other nodes of this application to be used to judge that the general node to issue is to forge.Because of Transaction Information
What usually more than two nodes were completed jointly, other nodes can be by the trading object traded with the node filed an application
The transaction record of node judges the application for upgrading of the node filed an application with the presence or absence of forgery.As optional embodiment,
It (3) can be the Transaction Information of any one active account.
Other important nodes for receiving the application for upgrading are responsible for examining this message and know together, and specific mode can
To use PBFT algorithm, after being more than that a certain number of important nodes are reached common understanding, which will be by
Upgrade to important node.
In addition, in step S203, it is understood that there may be general node can not receive account from the important node for sending feedback
The case where data, in this case, it is believed that the important node for sending feedback is " malice ".If a general node is in step
When being restored in rapid S203, data needed for can not obtaining in an important node are local important about this being recorded in
Increase the malice degree of the important node in the parameter of malicious behaviors of nodes degree., whereas if the important node services successfully, it is being recorded in
The malice degree of the important node is reduced in the local parameter about the important node malice degree.Malice degree can be used for reviewing weight
It wants the qualification of node or carries out other operations.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of account data management method suitable for block chain, it is characterised in that:
The account data management method suitable for block chain includes:
The liveness of an account is calculated, the account data of the account is stored in a node of block chain；
Judge the relationship of the account data liveness of the account and the threshold value of setting；
When the account data satisfaction and threshold value relativeness condition of the account, the account data of the account is subjected to compressed shape
At compression account data；
The compression account data is stored in compressed data storage region and records its index；
Delete the meta account data of the account.
2. the account data management method according to claim 1 suitable for block chain, which is characterized in that further include:
The node of block chain is classified；
Judge the type of the node of block chain；
The liveness of account is calculated when calculating the node on the account when node is general node.
3. the account data management method according to claim 2 suitable for block chain, which is characterized in that the classification
Method includes:
It is important node by several node definitions before in block chain, is general by the node definition after several preceding nodes
Node.
4. the account data management method according to claim 3 suitable for block chain, which is characterized in that the classification
Method further include:
General node sends application for upgrading to the important node；
The important node examines the application for upgrading, and is known together using PBFT algorithm；
When the important node quantity of common recognition is greater than upgrade threshold, general node is converted to important node.
5. the account data management method according to claim 4 suitable for block chain, which is characterized in that
The quantity of the account of the general node storage is included at least in the application for upgrading.
6. the account data management method according to claim 1 suitable for block chain, which is characterized in that judge the account
The relationship of the threshold value of the account data liveness and setting at family includes:
When the liveness of the account is less than first threshold, the label account is active account.
7. the account data management method according to claim 1 suitable for block chain, which is characterized in that judge the account
The relationship of the threshold value of the account data liveness and setting at family includes:
When the liveness of the account
When greater than first threshold and being less than second threshold, the label account is regular account.
8. the account data management method according to claim 1 suitable for block chain, which is characterized in that judge the account
The relationship of the threshold value of the account data liveness and setting at family includes:
When the liveness of the account
When greater than second threshold, the label account is blunt account.
9. the account data management method according to claim 1 suitable for block chain, it is characterised in that:
The account data management method suitable for block chain further include:
Account data is searched according to index, and by the data decompression of the account.
10. the account data management method according to claim 1 suitable for block chain, it is characterised in that:
The account data management method suitable for block chain further include:
The request of inquiry account data is sent to important node, important node sends anti-according to the data storage condition of the account
Feedback；General node judges whether to need to establish data connection with the important node according to the feedback of important node.
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Effective date of registration: 20230106 Address after: Room 1502, 1503, 1504 and 1505, Floor 15, Building 3, No. 96, Huaxing Road, Xihu District, Hangzhou, Zhejiang Province, 310000 Patentee after: HANGZHOU MAOCAI NETWORK TECHNOLOGY Co.,Ltd. Address before: 18 / F, No.96, Huaxing Road, Xihu District, Hangzhou, Zhejiang 310000 Patentee before: WACAI NETWORK TECHNOLOGY CO.,LTD. |