CN110210865A - Packaging method and device based on block chain - Google Patents
Packaging method and device based on block chain Download PDFInfo
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- CN110210865A CN110210865A CN201910519283.3A CN201910519283A CN110210865A CN 110210865 A CN110210865 A CN 110210865A CN 201910519283 A CN201910519283 A CN 201910519283A CN 110210865 A CN110210865 A CN 110210865A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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Abstract
The present embodiments relate to a kind of packaging method and device based on block chain.Include: to generate the first block, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；By being signed to obtain the first digital signature to first cryptographic Hash；Second Hash operation is carried out to first digital signature, obtains the second cryptographic Hash；According to second cryptographic Hash and preset random rule, selects second to go out block node as the second block in the multiple block node out and go out block node, second block is next block of first block.With this, block node can specify next block node out out, the assignment procedure has certain randomness and verifiability, block chain can be reduced by the possibility of success attack, and improve block chain meshed network goes out block efficiency, and then book keeping operation efficiency is improved, allow block chain meshed network should the bigger service scenarios of data scale.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of packaging methods and device based on block chain.
Background technique
Each of block chain network node is equivalent to store each computer of all block datas or service
Device terminal.The production of all new blocks, and the verifying and record keeping of transaction, and it is synchronous to be broadcasted to the whole network, all by node Lai
It completes.
Node is exactly the miner that we are commonly called as.The different of each miner calculate power, determine it can be assigned to how many record keeping
Power harvests how many rewards.
The block chain first generation knows together mechanism POW, is exactly proof of work common recognition mechanism, is commonly called as digging mine.It is new to produce
Block, must just carry out the operation of thousands of secondary Hash collisions.And these operations, many electric power can be consumed, the energy is caused
Waste, therefore also by dirty disease.Everybody is more allowed to worry, once most of power of calculating is monopolized, decentralization is just on the hazard.
The second generation knows together mechanism POS, is exactly that equity proves common recognition mechanism, it is to be determined according to quantity with cash in hand with the time
Who possesses more billing rights.The advantages of this common recognition mechanism is can be to avoid energy consumption, but the disadvantage is that right of speech is all held
Coin rich and influential family is controlled, and centralized feature is formed, and also the original intention with block chain decentralization runs in the opposite direction.
Third generation common recognition mechanism is exactly DPOS, maximum feature, is exactly to be added on the basis that POS equity proves
Electoral system.The super node for the final acquisition billing right being born by all votes by ballot of user with cash in hand is kept accounts, can
To significantly reduce the waste of the energy, still, on the super node all concentrated due to operation, to the calculation force request of super node
It is higher, and the efficiency of super node directly affects the efficiency of book keeping operation, this is resulted in, this kind of mode copes with the ability of large-scale data
Not strong, development is restricted.
Summary of the invention
Based on the above issues, the embodiment of the invention provides a kind of packaging method and device based on block chain.
In a first aspect, provide a kind of packaging method based on block chain, the block chain meshed network include it is multiple go out
Block node, the method be suitable for first go out block node, described first go out block node be it is the multiple go out block node in it is any
One, which comprises
The first block is generated, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；
By being signed to obtain the first digital signature to first cryptographic Hash；
Second Hash operation is carried out to first digital signature, obtains the second cryptographic Hash；
According to second cryptographic Hash and preset random rule, selection second goes out block in the multiple block node out
Node goes out block node as the second block, and second block is next block of first block.
In some embodiments, first Hash operation and second Hash operation are that identical or different Hash is transported
It calculates.
In some embodiments, described that second Hash operation is carried out to first digital signature, the second cryptographic Hash is obtained,
Include:
First digital signature and the first numerical value are subjected to the second Hash operation and obtain the second cryptographic Hash, first number
Value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
Second cryptographic Hash is converted into 10 systems, and takes the remainder of second value, the second value is according to
The quantity of multiple block nodes out determines；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
First digital signature is sent to the multiple block node out.
In some embodiments, further includes:
The second digital signature that third goes out the transmission of block node is received, second digital signature is directed to third block；
Second Hash operation is carried out to second digital signature, obtains third cryptographic Hash；
According to the third cryptographic Hash and preset random rule, judge that described first goes out whether block node is described the
Four blocks go out block node, and the 4th block is next block of the third block；
If so, being packaged to the 4th block.
In some embodiments, described according to the third cryptographic Hash and preset random rule, judge described first
Out block node whether be the 4th block go out block node include:
According to the third cryptographic Hash and preset random rule, the serial number for going out block node of the 4th block is determined；
Whether the serial number for going out block node for judging the 4th block is the described first serial number for going out block node.
Second aspect provides a kind of packing apparatus based on block chain.The block chain meshed network include it is multiple go out
Block node, the method be suitable for first go out block node, described first go out block node be it is the multiple go out block node in it is any
One, described device includes:
First hash units carry out the first Hash operation according to first block and obtain for generating the first block
One cryptographic Hash；
Signature unit, for by being signed to obtain the first digital signature to first cryptographic Hash；
Second hash units obtain the second cryptographic Hash for carrying out the second Hash operation to first digital signature；
Selecting unit is used for according to second cryptographic Hash and preset random rule, in the multiple block node out
The middle block node out for selecting second to go out block node as the second block, second block are next area of first block
Block.
In some embodiments, first Hash operation and second Hash operation are that identical or different Hash is transported
It calculates.
In some embodiments, the second hash units are specifically used for:
First digital signature and the first numerical value are subjected to the second Hash operation and obtain the second cryptographic Hash, first number
Value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
Second cryptographic Hash is converted into 10 systems, and takes the remainder of second value, the second value is according to
The quantity of multiple block nodes out determines；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
Transmission unit, for sending first digital signature to the multiple block node out.
In some embodiments, further includes:
Receiving unit, the second digital signature of block node transmission is gone out for receiving third, and second digital signature is directed to
Third block；
Second hash units are also used to carry out the second Hash operation to second digital signature, obtain third cryptographic Hash；
Judging unit, for judging that described first goes out block section according to the third cryptographic Hash and preset random rule
Point whether be the 4th block go out block node, the 4th block be the third block next block；
Packaged unit, if so, for being packaged to the 4th block.
In some embodiments, judging unit is specifically used for:
According to the third cryptographic Hash and preset random rule, the serial number for going out block node of the 4th block is determined；
Whether the serial number for going out block node for judging the 4th block is the described first serial number for going out block node.
The third aspect, this specification embodiment provide a kind of computer equipment, including memory, processor and are stored in
On memory and the computer program that can run on a processor, which is characterized in that the processor executes real when described program
Either side or various method and steps in existing aforementioned first aspect or second aspect.
Fourth aspect provides a kind of computer readable storage medium, and meter is stored on the computer readable storage medium
Calculation machine program, the computer program realize either side or more in above-mentioned first aspect or second aspect when being executed by processor
Method described in aspect.
5th aspect, provides a kind of computer program product comprising instruction, when described instruction is run on computers
When, so that computer executes in above-mentioned first aspect or second aspect method described in either side or various aspects.
Through the embodiment of the present invention, out block node can specify it is next go out block node, the assignment procedure have it is certain with
Machine and verifiability can reduce block chain by the possibility of success attack, and improve the block out of block chain meshed network
Efficiency, and then book keeping operation efficiency is improved, allow block chain meshed network should the bigger service scenarios of data scale.
Detailed description of the invention
Fig. 1 applies the exemplary architecture of embodiment provided by the present application；
Fig. 2 is a kind of flow chart of the packaging method based on block chain provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the device of the release information based on block chain provided in an embodiment of the present invention；
Fig. 4 shows a kind of computer equipment structural schematic diagram provided by this specification embodiment.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of packaging method and device based on block chain.Fig. 1 is shown using the application
The exemplary architecture of the embodiment of offer.
As shown in Figure 1, the exemplary architecture may include multiple block chain nodes, multiple block chain node may include
Multiple block node 101 and multiple verifying nodes 102 out.In one example, should go out block node can be to be selected by election mechanism
The quantity of the multiple super nodes selected, the super node can determine according to actual needs, and the quantity of the super node can be
Odd number, such as 21.In another example, multiple verifying node can be alternate node, wherein the super node can
Think and chosen from alternate node, the quantity of the alternate node can also determine according to actual needs, for example, can be 100,
Wherein, alternate node can be selected according to preset random rule, for example, calculating the highest specified quantity node of power can be with
Alternately node.In another example, verifying node can also be all or part of node in addition to block node out.Its
In, block chain node can be realized in a software form, can also realize in the form of hardware.When implemented in hardware, it can be
Laptop, desktop computer and mobile terminal etc..
Block node is mainly used for based on common recognition mechanism out, the data in system in designated time period is produced block, also
It is primarily used for keeping accounts.Verifying node is mainly used for based on common recognition mechanism, and the block generated to block node out is verified, and passes through
The block of verifying can be recorded in block chain.It is can communicate between node to synchronize the data such as block chain.For example, section
It can be communicated based on D2D agreement between point.
In order to facilitate understanding of embodiments of the present invention, it is further explained below in conjunction with attached drawing with specific embodiment
Bright, embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 2 is a kind of flow chart of the packaging method based on block chain provided by the invention.The block chain meshed network packet
The block chain meshed network in multiple block nodes, such as exemplary architecture shown in FIG. 1 out is included, this method is suitable for first and goes out block
Node, this first go out block node be it is multiple go out block nodes in any one.As shown in Fig. 2, this method specifically includes:
S210 generates the first block, carries out the first Hash operation according to first block and obtains the first cryptographic Hash.
Wherein, each node in block chain meshed network is run based on common recognition mechanism.The common recognition mechanism is predefined,
The common recognition mechanism, which can wrap, includes block common recognition mechanism, verifying common recognition mechanism etc..
Block node out in block chain meshed network can determine that first goes out block node according to the common recognition mechanism of block out, this first
The data in system in designated time period can be generated block by block node out.The designated time period can according to actual needs really
It is fixed, such as can be 1 second, 10 seconds, 3 minutes or 10 minutes etc..The system can be corresponding whole for the block chain meshed network
A block catenary system.Wherein, block chain has multiple blocks to constitute, and each block can carry the mark of a block
The storage organization of chain type is formed.
Current block chain node is generating block it needs to be determined that next node for needing to generate block, the current block chain
Node is properly termed as first and goes out block node, which is properly termed as second and goes out block node, deserve
The block that preceding block chain link point generates is properly termed as the first block, and the block which generates can
To be known as the second block.
In order to increase the efficiency for going out the selection of block node of node, reduce the burden of system, next block node out is being selected
When, the first Hash operation can be carried out to the first block, obtain the first cryptographic Hash.Wherein, verifying common recognition mechanism may include pre-
First Hash operation of definition, which can determine according to actual needs, for example, the first Hash operation can be
SHA-256 etc..
S220, by being signed to obtain the first digital signature to first cryptographic Hash.
Each block chain node may include at least one secret key pair, and each secret key pair includes a public key and a private
Key, the private key can store in local, which can be sent to other block chain nodes.
Current block chain node can sign to the cryptographic Hash after determining the first cryptographic Hash, obtain the first number
Signature.The signature can be used private key and sign, and can verify the signature using the corresponding public key of the private key.
S230 carries out the second Hash operation to the first digital signature, obtains the second cryptographic Hash.
When determining next block node out, the second Hash operation can be carried out to the first digital signature, obtain the second Kazakhstan
Uncommon value.Wherein, block common recognition mechanism may include predefined second Hash operation out, which can be according to reality
It needs to be determined that for example, the second Hash operation can be SHA-256 etc..Wherein, the first Hash operation and the second Hash operation can be with
It can be different Hash operations for identical Hash operation.
S240, according to second cryptographic Hash and preset random rule, it is the multiple go out block node in select the
Two, which go out block node as the second block, goes out block node, and second block is next block of first block.
When determining next block node out, can be selected according to the second cryptographic Hash.Wherein, block common recognition mechanism can out
To include the preset random rule of selection gist, the preset random rule is with certain randomness and verifiability.
In one example, which may include:
Second cryptographic Hash is converted into 10 systems, and takes the remainder of second value；
Determine that the corresponding block node out of the remainder goes out block node for second.
Wherein, which can determine according to the quantity of block node out.For example, the quantity of block node can be out
100, which can be 100.
Wherein, the second cryptographic Hash ensure that randomness, the determination of the second cryptographic Hash and preset random rule, ensure that
This second go out block node verifiability.
First go out block node the first digital signature can be sent to second go out block node, so as to second go out block node continue
Block out.For example, the first digital signature can be sent to multiple block nodes out by way of broadcast.
Block node the first block of transmission and first can also be gone out to second and go out the public key of block node.Wherein, the public key is sent
Form may include a variety of.In one example, can be generated according to the public key should go out block address of node, which can be with
Produce or be transferred to address as transaction, this second go out block node can be gone out according to this block address of node determine should go out block node
Public key.In another example, which can carry is sent in the first block.
Second goes out block node after receiving the first digital signature, can verify the first identity for going out block node first, should
The identity of block node can carry out verifying realization to the first digital signature by going out the public key of block node out.After being verified,
Second go out block node can the verifying identity to itself verify, which can be based on preset random rule
It is verified, whether includes its own to verify the block node out of the second block.After above-mentioned two verification process all passes through, the
Two, which go out block node, is again packaged the second block, and the second block of packing is carried out the whole network and is synchronized.
In some embodiments, above-mentioned steps S230 can be specifically achieved by the steps of:
First digital signature and the first numerical value are subjected to the second Hash operation and obtain the second cryptographic Hash.
Wherein, the first numerical value is the predefined fixed values such as 1-n, which is arbitrary value.
First numerical value can also for first go out block node sequence number, or according to first go out block node sequence number it is true
Fixed numerical value.By first value, the randomness of block node selection can be further realized out.
In some embodiments, can also include the following steps:
1) the second digital signature that third goes out the transmission of block node is received, second digital signature is directed to third block；
2) the second Hash operation is carried out to second digital signature, obtains third cryptographic Hash；
3) according to the third cryptographic Hash and preset random rule, judge that described first goes out whether block node is described
4th block goes out block node, and the 4th block is next block of the third block；
4) if so, being packaged to the 4th block.
5) if it is not, then terminating.
In step 1), third block, public key and the second digital signature that third goes out the transmission of block node can receive.
Wherein, third block can go out the newly-generated block of block node for third.Second digital signature can be according to this
Third block determines.It specifically may refer to the acquisition process of aforementioned first digital signature, details are not described herein again.
First, which goes out block node, can also determine that third goes out the public key of block node, which can go out block node according to the third
Address determine, also it is available carrying with the public key in third block.
, can be according to third cryptographic Hash and preset random rule in step 3), determine the 4th block goes out block section
The serial number of point；Whether the serial number for going out block node for judging the 4th block is the first serial number for going out block node.
In addition, first goes out block node after receiving third block, the identity that third goes out block node can be verified first, it should
The identity of block node can be realized by following step out.
Step A goes out the public key in the secret key pair of block node using third, verifies, obtains to second digital signature
To the 4th cryptographic Hash.
Step B carries out the first Hash operation to the third block and obtains the 5th cryptographic Hash；
First, which goes out block node, can compare the 4th cryptographic Hash and whether the 5th cryptographic Hash is identical, if identical, illustrate this
Second digital signature is that the third goes out the digital signature of block node, namely is verified.If it is different, then verifying does not pass through.
Through the embodiment of the present invention, can go out block node can specify next block node out, which has certain
Randomness and verifiability, block chain can be reduced by the possibility of success attack, and improve block chain meshed network
Block efficiency out, and then book keeping operation efficiency is improved, allow block chain meshed network should the bigger service scenarios of data scale.
Fig. 3 is a kind of packing apparatus structural schematic diagram based on block chain provided in an embodiment of the present invention.The block chain link
Spot net includes the block chain meshed network in multiple block nodes, such as exemplary architecture shown in FIG. 1 out, and described device is applicable in
Go out block node in first, described first goes out block node for any one in the multiple block node out, and described device includes:
First hash units 301 carry out the first Hash operation according to first block and obtain for generating the first block
First cryptographic Hash；
Signature unit 302, for by being signed to obtain the first digital signature to first cryptographic Hash；
Second hash units 303 obtain the second Hash for carrying out the second Hash operation to first digital signature
Value；
Selecting unit 304 is used for according to second cryptographic Hash and preset random rule, in the multiple block section out
It selects second to go out block node as the second block in point and goes out block node, second block is next area of first block
Block.
In some embodiments, first Hash operation and second Hash operation are that identical or different Hash is transported
It calculates.
In some embodiments, the second hash units 303 are specifically used for:
First digital signature and the first numerical value are subjected to the second Hash operation and obtain the second cryptographic Hash, first number
Value is the sequence number that 1-n or described first goes out block node, and the n is arbitrary value.
In some embodiments, the preset random rule includes:
Second cryptographic Hash is converted into 10 systems, and takes the remainder of second value, the second value is according to
The quantity of multiple block nodes out determines；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
In some embodiments, further includes:
Transmission unit, for sending first digital signature to the multiple block node out.
In some embodiments, further includes:
Receiving unit, the second digital signature of block node transmission is gone out for receiving third, and second digital signature is directed to
Third block；
Second hash units are also used to carry out the second Hash operation to second digital signature, obtain third cryptographic Hash；
Judging unit, for judging that described first goes out block section according to the third cryptographic Hash and preset random rule
Point whether be the 4th block go out block node, the 4th block be the third block next block；
Packaged unit, if so, for being packaged to the 4th block.
In some embodiments, judging unit is specifically used for:
According to the third cryptographic Hash and preset random rule, the serial number for going out block node of the 4th block is determined；
Whether the serial number for going out block node for judging the 4th block is the described first serial number for going out block node.
It is appreciated that the packing apparatus based on block chain of the present embodiment is corresponding with embodiment of the method shown in Fig. 2, because
This is equally applicable to the device of the present embodiment above with respect to the description of embodiment of the method shown in Fig. 2, and details are not described herein.
Fig. 4 shows a kind of computer equipment structural schematic diagram, the computer equipment provided by this specification embodiment
It may include: processor 410, memory 420, input/output interface 430, communication interface 440 and bus 450.Wherein processor
440, memory 420, input/output interface 430 and communication interface 440 by bus 450 realize between inside equipment
Communication connection.
Processor 410 can use general CPU (Central Processing Unit, central processing unit), micro process
Device, application specific integrated circuit (Application Specific Integrated Circuit, ASIC) or one or
The modes such as multiple integrated circuits are realized, for executing relative program, to realize technical solution provided by this specification embodiment.
Memory 420 can use ROM (Read Only Memory, read-only memory), RAM (Random Access
Memory, random access memory), static storage device, the forms such as dynamic memory realize.Memory 420 can store
Operating system and other applications are realizing technical solution provided by this specification embodiment by software or firmware
When, relevant program code is stored in memory 420, and execution is called by processor 410.
Input/output interface 430 is for connecting input/output module, to realize information input and output.Input and output/
Module can be used as component Configuration (not shown) in a device, can also be external in equipment to provide corresponding function.Wherein
Input equipment may include keyboard, mouse, touch screen, microphone, various kinds of sensors etc., output equipment may include display,
Loudspeaker, vibrator, indicator light etc..
Communication interface 440 is used for connection communication module (not shown), to realize the communication of this equipment and other equipment
Interaction.Wherein communication module can be realized by wired mode (such as USB, cable etc.) and be communicated, can also be wirelessly
(such as mobile network, WIFI, bluetooth etc.) realizes communication.
Bus 450 includes an access, in various components (such as the processor 410, memory 420, input/output of equipment
Interface 430 and communication interface 440) between transmit information.
It should be noted that although above equipment illustrates only processor 410, memory 420, input/output interface
430, communication interface 440 and bus 450, but in the specific implementation process, which can also include realizing to operate normally
Necessary other assemblies.In addition, it will be appreciated by those skilled in the art that, it can also be only comprising realizing in above equipment
Component necessary to this specification example scheme, without including all components shown in figure.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can be executed with hardware, processor
The combination of software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only memory
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all any modification, equivalent substitution, improvement and etc. within the scope of the present invention, done should be included in this hair
Within bright protection scope.
Claims (10)
1. a kind of packaging method based on block chain, which is characterized in that block chain meshed network includes multiple block nodes out, described
Method is suitable for first and goes out block node, and described first goes out block node for any one in the multiple block node out, the side
Method includes:
The first block is generated, the first Hash operation is carried out according to first block and obtains the first cryptographic Hash；
By being signed to obtain the first digital signature to first cryptographic Hash；
Second Hash operation is carried out to first digital signature, obtains the second cryptographic Hash；
According to second cryptographic Hash and preset random rule, selection second goes out block node in the multiple block node out
Go out block node as the second block, second block is next block of first block.
2. the method according to claim 1, wherein first Hash operation is with second Hash operation
Identical or different Hash operation.
3. the method according to claim 1, wherein described carry out the second Hash fortune to first digital signature
It calculates, obtains the second cryptographic Hash, comprising:
First digital signature and the first numerical value are subjected to the second Hash operation and obtain the second cryptographic Hash, first numerical value is
1-n or described first goes out the sequence number of block node, wherein n is arbitrary value.
4. the method according to claim 1, wherein the preset random rule includes:
Second cryptographic Hash is converted into 10 systems, and takes the remainder of second value, the second value is according to the multiple
The quantity of block node determines out；
Determine that the corresponding verifying node of the remainder goes out block node for described second.
5. the method according to claim 1, wherein further include:
First digital signature is sent to the multiple block node out.
6. according to the method described in claim 5, it is characterized by further comprising:
The second digital signature that third goes out the transmission of block node is received, second digital signature is directed to third block；
Second Hash operation is carried out to second digital signature, obtains third cryptographic Hash；
According to the third cryptographic Hash and preset random rule, judge that described first goes out whether block node is the 4th block
Block node out, the 4th block are next block of the third block；
If so, being packaged to the 4th block.
7. according to the method described in claim 6, it is characterized in that, described according to the third cryptographic Hash and preset random
Rule, judge described first go out block node whether be the 4th block go out block node include:
According to the third cryptographic Hash and preset random rule, the serial number for going out block node of the 4th block is determined；
Whether the serial number for going out block node for judging the 4th block is the described first serial number for going out block node.
8. a kind of packing apparatus based on block chain, which is characterized in that the block chain meshed network includes multiple block nodes out,
Described device is suitable for first and goes out block node, and described first goes out block node for any one in the multiple block node out, institute
Stating device includes:
First hash units carry out the first Hash operation according to first block and obtain the first Kazakhstan for generating the first block
Uncommon value；
Signature unit, for by being signed to obtain the first digital signature to first cryptographic Hash；
Second hash units obtain the second cryptographic Hash for carrying out the second Hash operation to first digital signature；
Selecting unit, for being selected in the multiple block node out according to second cryptographic Hash and preset random rule
The second block node out for going out block node as the second block is selected, second block is next block of first block.
9. packing apparatus according to claim 8, which is characterized in that described device further include:
Transmission unit, for sending first digital signature to the multiple block node out.
10. a kind of computer storage medium, computer program, the computer are stored on the computer readable storage medium
Method described in claim 1-7 any one is realized when program is executed by processor.
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