CN106844477B - To synchronous method after block catenary system, block lookup method and block chain - Google Patents
To synchronous method after block catenary system, block lookup method and block chain Download PDFInfo
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- CN106844477B CN106844477B CN201611206379.7A CN201611206379A CN106844477B CN 106844477 B CN106844477 B CN 106844477B CN 201611206379 A CN201611206379 A CN 201611206379A CN 106844477 B CN106844477 B CN 106844477B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
- G06F16/24—Querying
- G06F16/245—Query processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2228—Indexing structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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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Abstract
The present invention includes after providing a kind of block catenary system, block lookup method and block chain to synchronous method, the block lookup method：The newest area multiple-authentication code collection in the block for reading local node institute memory block chain is closed；The first sequence number for searching block is obtained, calculates the second sequence number of the index block corresponding to searched block；Corresponding second identifying code is searched in the conjunction of read multiple-authentication code collection according to second sequence number；Obtain the corresponding index block of the second identifying code and verify, therefrom read nature identifying code collection and merge corresponding first identifying code of the first sequence number of lookup；Obtain corresponding the searched block of the first identifying code and verify.Wherein, the index block by the block of the multiple of first serial number N after lookup block.The present invention is index by packing coefficient is N in block chain natural identifying code set and multiple-authentication code collection cooperation, realizes and quick search with after to synchronization is carried out while guaranteeing safety.
Description
Technical field
This application involves block chain technical field, and in particular to a kind of block catenary system, block lookup method and block chain
Backward synchronous method.
Background technology
It is well known that block chain includes the block of one chain of some formation in a block catenary system.Block linkwork at present
General chain is a forward direction chained list in system, i.e. records the Hash of a block before it in a block, and so basis is worked as
Preceding block can just be searched and get the Hash of previous block, and then go to obtain corresponding area to other nodes on network
Block.
Due to the characteristic of block chain, determine current block can only record before block cryptographic Hash, and it cannot be recorded
The cryptographic Hash of block afterwards, it can only be mode from back to front as described above to cause current block to search mode.Therefore, currently
Quick lookup block can be realized while guaranteeing safety by lacking one kind, and is further realized and searched block from front to back
To synchronous method after block catenary system, block lookup method and block chain.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, being intended to provide one kind can realize while guaranteeing safety
It is quick to search block, further realize that the block catenary system, block lookup method and block chain of searching block from front to back are backward
Synchronous method.
In a first aspect, the present invention provides a kind of block catenary system, in each block of the block chain of the block catenary system
Each there are the natural identifying code set and the conjunction of some multiple-authentication code collections that coefficient is N.
The natural identifying code set that the coefficient is N is used for the identifying code for storing the top n block of current block.
The coefficient is that the multiple-authentication code collection of N shares the multiple in storage serial number N and is no more than current block sequence number
Each block identifying code, the multiple-authentication code collection close with it is N number of be one group.
Wherein, N is the positive integer more than 1.
Second aspect, the present invention provide a kind of block lookup method suitable for above-mentioned block catenary system, and this method includes：
The newest area multiple-authentication code collection in the block for reading local node institute memory block chain is closed；
The first sequence number for searching block is obtained, calculates the second sequence number of the index block corresponding to searched block；
Corresponding second identifying code is searched in the conjunction of read multiple-authentication code collection according to second sequence number；
Obtain the corresponding index block of the second identifying code and verify, therefrom read nature identifying code collection and merge the first sequence of lookup
Number corresponding first identifying code；
Obtain corresponding the searched block of the first identifying code and verify.
Wherein, the index block by the block of the multiple of first serial number N after lookup block.
The third aspect, the present invention are provided after a kind of block chain to synchronous method, including：
Record the sequence number of each required synchronous block in block chain from small to large by sequence number；
Each sequence number according to being recorded calculates the sequence number of corresponding each index block；
Each index block is locally being searched according to the sequence number of each index block calculated：If not finding, basis
Above-mentioned block lookup method obtains searched index block；
Corresponding each identifying code is obtained in each index block found according to each sequence number recorded, according to respectively testing
Card code obtains corresponding each required synchronous block and verifies.
Fourth aspect, the present invention also provides a kind of equipment, including one or more processors and memory, wherein memory
Comprising can by instruction that the one or more processors perform so that the one or more processors perform it is each according to the present invention
To synchronous method after block lookup method and/or block chain that embodiment provides.
5th aspect, the present invention also provides a kind of computer-readable recording medium for being stored with computer program, the calculating
Machine program makes computer perform after the block lookup method and/or block chain that each embodiment provides according to the present invention to synchronous side
Method.
Pass through after block catenary system, block lookup method and block chain that many embodiments of the present invention provide to synchronous method
The natural identifying code set and multiple-authentication code collection cooperation that packing coefficient is N in each block of block chain are index, so as to carry
A kind of block lookup method that quick lookup block is realized while guaranteeing safety has been supplied, and further with block lookup
A kind of realize after the block chain for carrying out block chain synchronization from front to back to synchronous method is provided based on method.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the flow chart for the block lookup method that one embodiment of the invention provides.
To the flow chart of synchronous method after the block chain that Fig. 2 provides for one embodiment of the invention.
Fig. 3 is a kind of structure diagram for equipment that one embodiment of the invention provides.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
It illustrate only easy to describe, in attached drawing with inventing relevant part.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the present embodiment, each there is the nature that coefficient is N in each block of the block chain of the block catenary system
Identifying code set and some multiple-authentication code collections are closed.
The natural identifying code set that the coefficient is N is used for the identifying code for storing the top n block of current block.
The coefficient is that the multiple-authentication code collection of N shares the multiple in storage serial number N and is no more than current block sequence number
Each block identifying code, the multiple-authentication code collection close with it is N number of be one group.
Wherein, N is the positive integer more than 1.
Specifically, in the present embodiment, N=256, the identifying code are cryptographic Hash., can be with root in more embodiments
N is configured to different numerical value according to actual demand, for example, the scale (quantity of expected number of blocks according to block catenary system
The size of level), configure different size of coefficient N；And identifying code can be configured to according to commonly used in the art according to the actual requirements
The different types of identifying code of algorithms of different generation is, it can be achieved that identical technique effect.
Below by way of enumerating the natural identifying code set stored in the present embodiment in each block of block chain and multiple-authentication
Code collection closes and block catenary system provided in this embodiment is described in detail.Wherein, HiThat is the cryptographic Hash of the block of serial number i, i
For positive integer.
The natural identifying code set stored in each block：
The natural identifying code set stored in the block of serial number 1 does not include cryptographic Hash；
The natural identifying code set stored in the block of serial number 2 includes【H1】；
The natural identifying code set stored in the block of serial number 3 includes【H1、H2】；
The natural identifying code set stored in the block of serial number 4 includes【H1、H2、H3】；
……
The natural identifying code set stored in the block of serial number 255 includes【H1、H2、……、H254】；
The natural identifying code set stored in the block of serial number 256 includes【H1、H2、……、H255】；
The natural identifying code set stored in the block of serial number 257 includes【H1、H2、H3、……、H256】；
……
The natural identifying code set stored in the block of serial number 876 includes【H620、H621、H622、……、H875】；
The rest may be inferred.
The multiple-authentication code collection stored in each block is closed：
The multiple-authentication code collection stored in the block of serial number 1-256, which is closed, does not include cryptographic Hash；
The multiple-authentication code collection stored in the block of serial number 257-512, which is closed, to be included【H256】；
The multiple-authentication code collection stored in the block of serial number 513-768, which is closed, to be included【H256、H512】；
The multiple-authentication code collection stored in the block of serial number 769-1024, which is closed, to be included【H256、H512、H768】；
……
The multiple-authentication code collection stored in the block of serial number 65537-65792, which is closed, to be included【H256、H512、……、
H65536】；
The multiple-authentication code collection stored in the block of serial number 65793-66048, which is closed, to be included【H256、H512、……、
H65536】,【H65792】；
……
The multiple-authentication code collection stored in the block of serial number 131329-131584, which is closed, to be included【H256、H512、……、
H65536】,【H65792、H66048、……、H131072】、【H131328】；
The rest may be inferred.
Above-described embodiment provide block catenary system by each block of block chain packing coefficient be N natural verification
Code collection is closed and the cooperation of multiple-authentication code collection is index, system is possessed realization and the fast of block is carried out while guaranteeing safety
Quick checking is looked for and backward synchronous possibility.
Fig. 1 is the flow chart for the block lookup method that one embodiment of the invention provides.Method shown in Fig. 1 is suitable for above-mentioned
The block catenary system that any embodiment provides.
As shown in Figure 1, in the present embodiment, block lookup method provided by the invention includes：
S11：The newest area multiple-authentication code collection in the block for reading local node institute memory block chain is closed；
S13：The first sequence number for searching block is obtained, calculates the second sequence of the index block corresponding to searched block
Number；
S15：Corresponding second identifying code is searched in the conjunction of read multiple-authentication code collection according to second sequence number；
S17：Obtain the second identifying code corresponding index block and to verify, therefrom read nature identifying code collection and merge and search the
Corresponding first identifying code of one sequence number；
S19：Obtain corresponding the searched block of the first identifying code and verify.
Wherein, the index block by the block of the multiple of first serial number N after lookup block.
Specifically, below by way of one in above-mentioned N=256, identifying code is to be carried out once in the block catenary system of cryptographic Hash
The example that block is searched is described in detail above-mentioned block lookup method.
The block chain of the newest block serial number 156789 stored according to current local node searches the area of serial number 83257
Block：
In step s 11, the newest block of local node institute memory block chain is read：The area of serial number 156789 is in the block
Multiple-authentication code collection is closed：
【H256、H512、……、H65536】,【H65792、H66048、……、H131072】、【H131328、H131584、……、H156672】。
In step s 13, the first sequence number 83257 for searching block is obtained, calculates 83257 corresponding index blocks
Second sequence number.
83257 mod 256=57；83257-57+256=83456；
Therefore the second serial number 83456.
In step S15, closed according to the second sequence number 83456 in the step S11 multiple-authentication code collections read：【H256、
H512、……、H65536】,【H65792、H66048、……、H131072】、【H131328、H131584、……、H156672】It is middle to search corresponding the
Two identifying code H83456。
In step S17, the index block of serial number 83456 is obtained from other nodes of block catenary system, is therefrom read
Natural identifying code set：【H83201、H83202、……、H83456】, and search 83257 corresponding first identifying code of the first sequence number
H83257。
In step S19, the block of searching of serial number 83257 is obtained from other nodes of block catenary system, and with the
One identifying code H83257Verified.
The block lookup method that above-described embodiment provides is N's using packing coefficient in each block of above-mentioned block catenary system
Natural identifying code set and the cooperation of multiple-authentication code collection provide one kind for index and fast quick checking are realized while guaranteeing safety
The block lookup method of block is looked for, and possesses system and realizes after block chain to synchronous possibility.
To the flow chart of synchronous method after the block chain that Fig. 2 provides for one embodiment of the invention.
As shown in Fig. 2, in the present embodiment, include after block chain provided by the invention to synchronous method：
S21：Record the sequence number of each required synchronous block in block chain from small to large by sequence number；
S23：Each sequence number according to being recorded calculates the sequence number of corresponding each index block；
S25：Each index block is locally being searched according to the sequence number of each index block calculated：If not finding,
Searched index block is obtained according to above-mentioned block lookup method；
S27：Corresponding each identifying code is obtained in each index block found according to each sequence number recorded, according to
Each identifying code obtains corresponding each required synchronous block and verifies.
Specifically, below by way of a backward synchronous example to being described in detail after above-mentioned block chain to synchronous method：
In the step s 21, the sequence number of each required synchronous block in block chain is recorded from small to large by sequence number：21-45,99-
432,1049-2000.
In step S23, the sequence number of corresponding each index block is calculated according to each sequence number recorded：
The serial number 256 of the corresponding index block of 21-45,99-256；
The serial number 512 of the corresponding index blocks of 257-432；
The serial number 1280 of the corresponding index blocks of 1049-1280；
The serial number 1536 of the corresponding index blocks of 1281-1536；
The serial number 1792 of the corresponding index blocks of 1537-1792；
The serial number 2048 of the corresponding index blocks of 1793-2000.
In step s 25, each index block is locally being searched according to the sequence number of each index block calculated：Find
The index block of serial number 512 and 2048, does not find the index block of serial number 256,1280,1536 and 1792.
Method according to figure 1, reads the conjunction of multiple-authentication code collection from the newest block of current block chain, and therefrom looks into
Find out H256、H1280、H1536、H1792；Each index block of serial number 256,1280,1536 and 1792 is obtained from other nodes, and
H is used respectively256、H1280、H1536、H1792Verified.
In step s 27, according to each sequence number 21-45,99-432, the 1049-2000 recorded, from each index block storage
Natural identifying code set in obtain corresponding each identifying code H21-H45、H99-H432、H1049-H2000；Sequence number is obtained from other nodes
For 21-45, the block of 99-432,1049-2000, and H is used respectively21-H45、H99-H432、H1049-H2000Verified, verification is logical
Later the data of each block are stored, finally realizes the backward synchronization of block chain.
Realized after the block chain that above-described embodiment provides to synchronous method using said system and block lookup method
The synchronization of block chain is carried out while guaranteeing safety from front to back.
Flow chart and block diagram in attached drawing, it is illustrated that according to the system of various embodiments of the invention, method and computer journey
Architectural framework in the cards, function and the operation of sequence product.At this point, each square frame in flow chart or block diagram can generation
The part of one module of table, program segment or code, the part of the module, program segment or code include one or more use
In the executable instruction of logic function as defined in realization.It should also be noted that marked at some as in the realization replaced in square frame
The function of note can also be with different from the order marked in attached drawing generation.For example, two square frames succeedingly represented are actually
It can perform substantially in parallel, they can also be performed in the opposite order sometimes, this is depending on involved function.Also
It is noted that the combination of each square frame and block diagram in block diagram and/or flow chart and/or the square frame in flow chart, Ke Yitong
The dedicated hardware based system for crossing functions or operations as defined in performing is realized, or can pass through specialized hardware with calculating
The combination of machine instruction is realized.
Being described in unit or module involved in the embodiment of the present application can be realized by way of software, can also
Realized by way of hardware.Described unit or module can also be set within a processor.Wherein, these units or mould
The title of block does not form the restriction to the unit or module in itself under certain conditions.
Fig. 3 is a kind of structure diagram for equipment that one embodiment of the invention provides.
As shown in figure 3, as on the other hand, present invention also provides a kind of equipment 300, including one or more centres
Unit (CPU) 301 is managed, it can add according to the program being stored in read-only storage (ROM) 302 or from storage part 308
The program that is downloaded in random access storage device (RAM) 303 and perform various appropriate actions and processing.In RAM 303, also deposit
Contain equipment 300 and operate required various programs and data.CPU 301, ROM302 and RAM 303 by bus 304 each other
It is connected.Input/output (I/O) interface 305 is also connected to bus 304.
I/O interfaces 305 are connected to lower component：Importation 306 including keyboard, mouse etc.；Penetrated including such as cathode
The output par, c 307 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage part 308 including hard disk etc.；
And the communications portion 309 of the network interface card including LAN card, modem etc..Communications portion 309 via such as because
The network of spy's net performs communication process.Driver 310 is also according to needing to be connected to I/O interfaces 305.Detachable media 311, such as
Disk, CD, magneto-optic disk, semiconductor memory etc., are installed on driver 310, in order to read from it as needed
Computer program be mounted into as needed storage part 308.
Especially, in accordance with an embodiment of the present disclosure, the block lookup method and/or block chain of any of the above-described embodiment description
Backward synchronous method may be implemented as computer software programs.For example, embodiment of the disclosure includes a kind of computer program
Product, it includes being tangibly embodied in the computer program on machine readable media, and the computer program, which includes, to be used to perform
To the program code of synchronous method after block lookup method and/or block chain.In such embodiments, which can
To be downloaded and installed by communications portion 309 from network, and/or it is mounted from detachable media 311.
As another aspect, present invention also provides a kind of computer-readable recording medium, the computer-readable storage medium
Matter can be computer-readable recording medium included in the device of above-described embodiment；Can also be individualism, it is unassembled
Enter the computer-readable recording medium in equipment.Computer-readable recording medium storage has one or more than one program, should
Program is used for after performing the block lookup method for being described in the application and/or block chain by one or more than one processor
To synchronous method.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the application design, appointed by above-mentioned technical characteristic or its equivalent feature
Other technical solutions that meaning is combined and formed.Such as features described above has similar functions with (but not limited to) disclosed herein
The technical characteristic technical solution being replaced mutually and formed.
Claims (6)
1. a kind of block catenary system, it is characterised in that each have in each block of the block chain of the block catenary system and be
Number closes for the natural identifying code set of N and some multiple-authentication code collections；
The natural identifying code set that the coefficient is N is used for the identifying code for storing the top n block of current block；
The coefficient is that the multiple-authentication code collection of N shares the multiple in storage serial number N and is no more than each of current block sequence number
The identifying code of block, the multiple-authentication code collection close with it is N number of be one group；
Wherein, N is the positive integer more than 1.
2. block catenary system according to claim 1, it is characterised in that N=256.
3. block catenary system according to claim 1 or 2, it is characterised in that the identifying code is cryptographic Hash.
4. a kind of block lookup method suitable for any one of the claim 1-3 block catenary system, it is characterised in that described
Method includes：
The newest area multiple-authentication code collection in the block for reading local node institute memory block chain is closed；
The first sequence number for searching block is obtained, calculates the second sequence number of the index block corresponding to searched block；
Corresponding second identifying code is searched in the conjunction of read multiple-authentication code collection according to second sequence number；
Obtain the corresponding index block of the second identifying code and verify, therefrom read nature identifying code collection and merge the first sequence number pair of lookup
The first identifying code answered；
Obtain corresponding the searched block of the first identifying code and verify；
Wherein, the index block by the block of the multiple of first serial number N after lookup block.
5. to synchronous method after a kind of block chain, it is characterised in that including：
Record the sequence number of each required synchronous block in block chain from small to large by sequence number；
Each sequence number according to being recorded calculates the sequence number of corresponding each index block；
Each index block is locally being searched according to the sequence number of each index block calculated：If not finding, according to right
It is required that the block lookup method described in 4 obtains searched index block；
Corresponding each identifying code is obtained in each index block found according to each sequence number recorded, according to each identifying code
Obtain corresponding each required synchronous block and verify.
6. a kind of equipment, it is characterised in that the equipment includes：
One or more processors；
Memory, for storing one or more programs,
When one or more of programs are performed by one or more of processors so that one or more of processors
Perform method as described in claim 4 or 5.
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| CN107566412B (en) * | 2017-10-23 | 2020-12-04 | 朱子腾 | Account number sharing system based on dynamic password and network node storage technology |
| CN107943951B (en) * | 2017-11-24 | 2020-08-11 | 中钞信用卡产业发展有限公司杭州区块链技术研究院 | Method and system for retrieving block chain service information |
| CN109993526B (en) * | 2018-01-02 | 2021-07-06 | 中国移动通信有限公司研究院 | Block chain checking method, processing node and storage medium |
| CN108462582B (en) * | 2018-02-09 | 2020-03-27 | 北京欧链科技有限公司 | Feedback processing method and device in block chain |
| CN108519985B (en) * | 2018-02-09 | 2020-09-11 | 北京欧链科技有限公司 | Bidirectional block chain, data processing method and device |
| CN109271446B (en) * | 2018-08-30 | 2020-10-23 | 杭州复杂美科技有限公司 | Parallel chain data synchronization method, equipment and storage medium |
| CN109361734B (en) * | 2018-09-18 | 2021-04-20 | 百度在线网络技术（北京）有限公司 | Data processing method, device, equipment and medium for block chain |
| TWI706662B (en) * | 2019-04-24 | 2020-10-01 | 國際信任機器股份有限公司 | Method and apparatus for chaining data |
| CN110493261B (en) * | 2019-09-16 | 2021-07-27 | 腾讯科技（深圳）有限公司 | Verification code obtaining method based on block chain, client, server and storage medium |
| CN111831997B (en) * | 2020-06-18 | 2021-07-27 | 华东师范大学 | Method for establishing credible relationship between client and centralized database |
| CN113961568A (en) * | 2021-12-22 | 2022-01-21 | 南京金宁汇科技有限公司 | Block chain-based block fast searching method for chain data structure |
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| CN104683099A (en) * | 2015-02-03 | 2015-06-03 | 香港应用科技研究院有限公司 | Improved encrypted/decrypted content, and method and apparatus for issuing encrypted content |
| CN106055597A (en) * | 2016-05-24 | 2016-10-26 | 布比（北京）网络技术有限公司 | Digital transaction system, and account information query method therefor |
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