CN108182635A - Block chain common recognition method, system and computer readable storage medium - Google Patents
Block chain common recognition method, system and computer readable storage medium Download PDFInfo
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- CN108182635A CN108182635A CN201711363021.XA CN201711363021A CN108182635A CN 108182635 A CN108182635 A CN 108182635A CN 201711363021 A CN201711363021 A CN 201711363021A CN 108182635 A CN108182635 A CN 108182635A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
Abstract
The invention discloses a kind of block chain common recognition method, system and computer readable storage medium, the method includes：It is obtained with batch of each transaction information, each transaction information of acquisition is packaged to form block, and the block of composition is broadcasted to retinue's node in block chain network by leader node；By the leader node, to area, each transaction information in the block is verified, and is verified by retinue's node each transaction information in the block to the area received；In each transaction Information Authentication in the block to the area of each node by rear, vote information is broadcasted for the block, and block chain common recognition is carried out based on vote information by each node.In the present invention, each transaction information in the block is verified to area for leader node and retinue's nodal parallel, and broadcast vote information to know together, realizes common recognition concurrent process and performs, shorten the common recognition time, improve the efficiency of block chain common recognition after the validation.
Description
Technical field
The present invention relates to block chain technical field more particularly to a kind of block chain common recognition method, systems and computer-readable
Storage medium.
Background technology
Existing block chain common recognition method, mainly proves including proof of work (Proof Of Work, POW), equity
(Proof of Stake, POS), commission equity prove that (Delegated Proof of Stake, DPOS) and available visit account for
Fault-tolerant (Practical Byzantine Fault Tolerance, the PBFT) scheduling algorithm in front yard.Wherein, PBFT is that one kind is suitable for
The Byzantine failure tolerance algorithm of traditional distributed system is completed to know together, but in PBFT algorithms, knew together by three-wheel broadcast communication
Journey is that a point three phases serially perform, therefore the common recognition time spent is longer, and the common recognition efficiency for leading to block chain is low.
Invention content
It is a primary object of the present invention to provide a kind of block chain common recognition method, system and computer readable storage medium,
Aim to solve the problem that the technical issues of existing block chain common recognition efficiency is low.
To achieve the above object, the present invention provides a kind of block chain common recognition method, and the block chain common recognition method includes：
It is obtained by leader node with batch of each transaction information, each transaction information of acquisition is packaged with group
It is broadcasted into block, and by the block of composition to retinue's node in block chain network；
By the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
Area's each transaction information in the block verified；
In each transaction Information Authentication in the block to the area of each node by rear, the block is directed to by each node
Vote information is broadcasted, and block chain common recognition is carried out based on vote information.
Optionally, it is described by leader node obtain with the step of batch of each transaction information before, the method is also
Including：
Inquire the node identification of each node in block chain network；
Obtain preset calculation formula；
According to the calculation formula and the node identification of each node, elected in each node leader node and with
From node.
Optionally, it is described according to the calculation formula and the node identification of each node, it is elected in each node
The step of leader node and retinue's node, includes：
The node identification of each node is compared with the calculation formula；
When the node identification for having node is matched with the calculation formula, it is leader node to determine the node；
When the node identification for having node is mismatched with the calculation formula, determine the node for retinue's node.
Optionally, the step of node identification by each node is compared with the calculation formula includes：
Determine block height current in block chain network, the numerical value of active view and current number of nodes；
Current block height, the numerical value of active view and current number of nodes are substituted into the calculation formula；
The calculation formula that substitution there are parameters is compared with the node identification of each node.
Optionally, it is described in each transaction Information Authentication in the block to the area of each node by rear, by each node
The step of broadcasting vote information for the block, and carrying out block chain common recognition based on vote information includes：
In each transaction Information Authentication in the block to the area of each node by rear, by each node to the block into
Row signature, and broadcasting multisignatures are voted；
When node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio, by each
Node broadcasts rule is voted；
When node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio, Mei Gejie
Point stores the block rule into the disk of present node, to carry out block chain common recognition.
Optionally, the mode signed by each node to the block includes：By each node calculation block
Cryptographic Hash, and the private key to be prestored using each node signs to the cryptographic Hash of calculating.
Optionally, it is described according to the calculation formula and the node identification of each node, it is elected in each node
Before the step of leader node and retinue's node, the method further includes：
Overtime device for current block setting is obtained by each node, carried out by the overtime device by acquisition in terms of
When；
After timing is started by the overtime device of setting, the method further includes：
Time arrival preset duration is calculated, and block is not completed also when knowing together in the overtime device for having node, by the section
Point increases the numerical value of active view, and broadcasts view according to the numerical value of active view and handover request to the other each of block chain network
A node；
When the node receives the view handover request of the node broadcasts of third preset ratio in block chain network, by
The node is switched in next view, to re-start block chain common recognition in next view.
Optionally, it is described in each transaction Information Authentication in the block to the area of each node by rear, by each node
After the step of broadcasting vote information for the block, and carrying out block chain common recognition based on vote information, the method is also wrapped
It includes：
When block chain knows together completion, the block is added in block chain by each node, and more new block chain
Block height；
According to updated block height, the common recognition operation of block chain is re-executed.
In addition, to achieve the above object, the present invention also provides a kind of block chain common recognition system, the block chain common recognition system
Including processor, memory and the block chain that can be run on the memory and on the processor common recognition program is stored in,
The block chain common recognition program realizes the step of block chain common recognition method as described above when being performed by the processor.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Block chain common recognition program is stored on storage medium, the block chain common recognition program is applied to block chain common recognition system, the area
Block chain common recognition program realizes the step of block chain common recognition method as described above when being executed by processor.
Block chain common recognition method proposed by the present invention, first passes through leader node and obtains with batch of each transaction information, right
Each transaction information obtained is packaged to form block, and the block of composition is broadcasted to the retinue in block chain network and is saved
Point, then by the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
Area's each transaction information in the block verified, pass through in each transaction Information Authentication in the block to the area of each node
Afterwards, vote information is broadcasted for the block by each node, and block chain common recognition is carried out based on vote information.In the present invention,
After node of acting as the leader gets Transaction Information, block is first packaged into Transaction Information and issues retinue's node, then leader node
To area, each transaction information in the block is verified with retinue's nodal parallel, and after the validation broadcast vote information to be total to
Know, realize common recognition concurrent process and perform, waited for mutually without leader node and retinue's node, shorten the common recognition time, improved
The efficiency of block chain common recognition.
Description of the drawings
Fig. 1 is the system structure diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of block chain of the present invention common recognition method first embodiment；
Fig. 3 is the refinement flow diagram of step S30 in Fig. 2；
Fig. 4 is the flow diagram of block chain of the present invention common recognition method 3rd embodiment；
Fig. 5 is the present invention preferably implement scene schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly：Leader node is first passed through to obtain with batch of each transaction information,
Each transaction information of acquisition is packaged to form block, and the block of composition is broadcasted to the retinue in block chain network
Node, then by the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
To area's each transaction information in the block verified, pass through in each transaction Information Authentication in the block to the area of each node
Afterwards, vote information is broadcasted for the block by each node, and block chain common recognition is carried out based on vote information.It is existing to solve
Block chain common recognition mode effect it is relatively low the problem of.
As shown in Figure 1, the knot of the block chain common recognition system for the hardware running environment that Fig. 1, which is the embodiment of the present invention, to be related to
Structure schematic diagram.
The block chain common recognition system of the embodiment of the present invention can be PC, pocket computer or server, virtual machine
The equipment such as equipment.
As shown in Figure 1, block chain common recognition system can include：Processor 1001, such as CPU, communication bus 1002 are used
Family interface 1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is used to implement the company between these components
Connect letter.User interface 1003 can include display screen (Display), input unit such as keyboard (Keyboard), can be selected
Family interface 1003 can also include wireline interface (such as connecting wired keyboard, wire mouse etc.), the wireless interface of standard
(such as connecting Wireless Keyboard, wireless mouse).The wireline interface that network interface 1004 can optionally include standard (is used for
Connect cable network), wireless interface (such as WI-FI interfaces, blue tooth interface, infrared interface, for connecting wireless network).It deposits
Reservoir 1005 can be high-speed RAM memory or the memory (non-volatile memory) of stabilization, such as magnetic
Disk storage.Memory 1005 optionally can also be the storage device independently of aforementioned processor 1001.
It will be understood by those skilled in the art that the block chain common recognition system structure shown in Fig. 1 is not formed to block chain
The restriction of common recognition system can include either combining certain components or different components than illustrating more or fewer components
Arrangement.
As shown in Figure 1, as operating system, net can be included in a kind of memory 1005 of computer readable storage medium
Network communication module, Subscriber Interface Module SIM and block chain common recognition program.Wherein, operating system is management and control block chain common recognition
The program of system and software resource supports network communication module, Subscriber Interface Module SIM, block chain common recognition program and other programs
Or the operation of software；Network communication module is used to managing and controlling network interface 1002；Subscriber Interface Module SIM is used to manage and control
User interface 1003 processed.
In block chain common recognition system shown in Fig. 1, the block chain common recognition system is called by processor 1001 to be stored
The block chain common recognition program stored in device 1005, to realize following steps：
It is obtained by leader node with batch of each transaction information, each transaction information of acquisition is packaged with group
It is broadcasted into block, and by the block of composition to retinue's node in block chain network；
By the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
Area's each transaction information in the block verified；
In each transaction Information Authentication in the block to the area of each node by rear, the block is directed to by each node
Vote information is broadcasted, and block chain common recognition is carried out based on vote information.
Further, it is described by leader node obtain with the step of batch of each transaction information before, the block
Chain common recognition system calls the block chain stored in memory 1005 common recognition program by processor 1001, to realize following steps：
Inquire the node identification of each node in block chain network；
Obtain preset calculation formula；
According to the calculation formula and the node identification of each node, elected in each node leader node and with
From node.
Further, the block chain common recognition system calls the block chain stored in memory 1005 by processor 1001
Common recognition program, to realize according to the calculation formula and the node identification of each node, elects leader in each node
The step of node and retinue's node：
The node identification of each node is compared with the calculation formula；
When the node identification for having node is matched with the calculation formula, it is leader node to determine the node；
When the node identification for having node is mismatched with the calculation formula, determine the node for retinue's node.
Further, the block chain common recognition system calls the block chain stored in memory 1005 by processor 1001
Common recognition program, to realize the step of node identification of each node is compared with the calculation formula：
Determine block height current in block chain network, the numerical value of active view and current number of nodes；
Current block height, the numerical value of active view and current number of nodes are substituted into the calculation formula；
The calculation formula that substitution there are parameters is compared with the node identification of each node.
Further, the block chain common recognition system calls the block chain stored in memory 1005 by processor 1001
Common recognition program, to realize in each transaction Information Authentication in the block to the area of each node by rear, is directed to by each node
The block broadcasts vote information, and carries out the step of block chain is known together based on vote information：
In each transaction Information Authentication in the block to the area of each node by rear, by each node to the block into
Row signature, and broadcasting multisignatures are voted；
When node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio, by each
Node broadcasts rule is voted；
When node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio, Mei Gejie
Point stores the block rule into the disk of present node, to carry out block chain common recognition.
Further, the block chain common recognition system calls the block chain stored in memory 1005 by processor 1001
Common recognition program, to realize the step of being signed by each node to the block：By the cryptographic Hash of each node calculation block,
And it is signed using the private key that each node prestores to the cryptographic Hash of calculating.
Further, it is described according to the calculation formula and the node identification of each node, it is elected in each node
Before the step of going out leader node and retinue's node, the block chain common recognition system calls memory 1005 by processor 1001
The block chain common recognition program of middle storage, to realize following steps：
Overtime device for current block setting is obtained by each node, carried out by the overtime device by acquisition in terms of
When；
After timing is started by the overtime device of setting, the block chain common recognition system is deposited by the calling of processor 1001
The block chain common recognition program stored in reservoir 1005, to realize following steps：
Time arrival preset duration is calculated, and block is not completed also when knowing together in the overtime device for having node, by the section
Point increases the numerical value of active view, and broadcasts view according to the numerical value of active view and handover request to the other each of block chain network
A node；
When the node receives the view handover request of the node broadcasts of third preset ratio in block chain network, by
The node is switched in next view, to re-start block chain common recognition in next view.
Further, it is described in each transaction Information Authentication in the block to the area of each node by rear, by each section
Point broadcasts vote information for the block, and is based on after the step of vote information carries out block chain common recognition, the block chain
Common recognition system calls the block chain stored in memory 1005 common recognition program by processor 1001, to realize following steps：
When block chain knows together completion, the block is added in block chain by each node, and more new block chain
Block height；
According to updated block height, the common recognition operation of block chain is re-executed.
Block chain common recognition system proposed by the present invention, processor 1001 call the block chain common recognition stored in memory 1005
Program realizes following steps：It first passes through leader node to obtain with batch of each transaction information, to each transaction information of acquisition
It is packaged to form block, and the block of composition is broadcasted to retinue's node in block chain network, then by the leader
Node to area, verify by each transaction information in the block, and by retinue's node each transaction in the block to the area received
Information is verified, in each transaction Information Authentication in the block to the area of each node by rear, institute is directed to by each node
Block broadcast vote information is stated, and block chain common recognition is carried out based on vote information.In the present invention, node of acting as the leader gets transaction
After information, block is first packaged into Transaction Information and issues retinue's node, then leader node and retinue's nodal parallel are to block
In each transaction information verified, and after the validation broadcast vote information to know together, realize common recognition process simultaneously
Row performs, and is waited for mutually without leader node and retinue's node, shortens the common recognition time, improves the efficiency of block chain common recognition.
Based on the hardware configuration of above-mentioned block chain common recognition system, the block chain common recognition each embodiment of method of the present invention is proposed.
With reference to Fig. 2, Fig. 2 is the flow diagram of block chain of the present invention common recognition method first embodiment.
In the present embodiment, the block chain common recognition method includes：
Step S10 is obtained by leader node with batch of each transaction information, and each transaction information of acquisition is carried out
It is packaged to form block, and the block of composition is broadcasted to retinue's node in block chain network；
Step S20, by the leader node, to area, each transaction information in the block is verified, and by retinue's node
Each transaction information in the block to the area received is verified；
Step S30 in each transaction Information Authentication in the block to the area of each node by rear, is directed to by each node
The block broadcasts vote information, and carries out block chain common recognition based on vote information.
In the present embodiment, the block chain common recognition method is applied to block chain network, and the block chain network includes
Multiple nodes, the specific number of node set according to actual conditions, do not limit herein.There are two types of the roles of block chain node,
It is " leader node " and " retinue's node " respectively, leader node is responsible for Transaction Information being packaged into block, and be broadcast to block
Accompany node, retinue's node is responsible for receiving the block sent from leader node, and Transaction Information in the block confirms to area.
It should be noted that when the Transaction Information in block chain is packaged into block by leader node, and by the block of packing be broadcast to
After node, the role of node does not repartition, i.e., each node Dou Dui areas Transaction Information in the block is verified, and verifying
Broadcast ballot is carried out after the completion, to carry out block chain common recognition.
In the present embodiment, it first introduces leader node and accompanies the election process of node, i.e., before described step S10, institute
The method of stating further includes：
Step A inquires the node identification of each node in block chain network；
Step B obtains preset calculation formula；
Step C according to the calculation formula and the node identification of each node, elects leader's section in each node
Point and retinue's node.
In the present embodiment, block chain network is made of node one by one, it is assumed that one shares N number of node, to each node
It is numbered from 0,1,2...N-1, each node corresponds to unique node identification Idx (i).It is inquired in block chain network each
After the node identification of a node, preset calculation formula is obtained, in the present embodiment, the calculation formula is chosen as (h+v) %
N, wherein, h represents the current block height of block chain, and v represents the numerical value of active view, and N represents number of nodes, and % represents remainder
Operator.After the calculation formula is got, according to the calculation formula and the node identification of each node, each
Leader node and retinue's node are elected in node.Specifically, the step C includes：
The node identification of each node is compared step C1 with the calculation formula；
Step C2, when the node identification for having node is matched with the calculation formula, it is leader node to determine the node；
Step C3 when the node identification for having node is mismatched with the calculation formula, determines that the node is saved for retinue
Point.
In the present embodiment, the step C1 includes：
Step C11 determines block height current in block chain network, the numerical value of active view and current number of nodes
Amount；
Current block height, the numerical value of active view and current number of nodes are substituted into the calculating by step C12
In formula；
The calculation formula that substitution has parameters is compared step C13 with the node identification of each node.
That is, after preset calculation formula is got, block height current in block chain network, active view are determined
Numerical value and current number of nodes, then by current block height, the numerical value of active view and current number of nodes
The parameters such as amount are all substituted into the calculation formula, then will substitute into section of the calculation formula for having parameters with each node
Whether point identification is compared, matched with the calculation formula with the node identification for judging each node, that is, judges (h+v) %N
Whether Idx (i) is equal to.If the node identification for having node is matched with the calculation formula, i.e. (h+v) %N=Idx (i), it is determined that
The node is leader node, if thering is the node identification of node and the calculation formula to mismatch, i.e. (h+v) %N ≠ Idx (i),
Then determine the node for retinue's node.
Pass through above-mentioned common recognition calculation, you can elected in each node of block chain network a leader node and
Multiple retinue's nodes.It should be understood that in the present embodiment, by above-mentioned common recognition calculation elect leader node and with
From node, compared to other algorithms based on vote by ballot leader node, election it is more efficient.
After leader node and retinue's node is elected, you can Transaction Information is packaged into block by leader node, and
The block of packing is broadcasted to retinue's node.
Each step of block chain common recognition method is done step-by-step in the present embodiment described in detail below：
Step S10 is obtained by leader node with batch of each transaction information, and each transaction information of acquisition is carried out
It is packaged to form block, and the block of composition is broadcasted to retinue's node in block chain network；
In the present embodiment, leader node is first passed through to obtain with batch of each transaction information, the specific pen of Transaction Information
Number determines according to actual conditions, after each transaction information is got, by leader node to each transaction information of acquisition into
Row is packaged to form block, then, by leader node that the block formed is each in block chain network by broadcasting to
Accompany node.
Step S20, by the leader node, to area, each transaction information in the block is verified, and by retinue's node
Each transaction information in the block to the area received is verified；
After each retinue's node that block is broadcast in block chain network in leader node, leader node is in block
Each transaction information verified, at this point, retinue's node can also verify each transaction information in the block that receives.
In the present embodiment, the mode that leader node verifies transaction information each in block is：Each transaction letter in the block to area
Breath performs one time, to verify whether each transaction information is legal, if each transaction information is legal, verifies that Transaction Information is errorless.
Accompany node is to the mode of transaction Information Authentication each in block：To area, each transaction information in the block performs one time, to test
It whether legal demonstrate,proves each transaction information, if each transaction information is legal, verifies that Transaction Information is errorless.
Step S30 in each transaction Information Authentication in the block to the area of each node by rear, is directed to by each node
The block broadcasts vote information, and carries out block chain common recognition based on vote information.
Leader node and retinue's node to area each transaction Information Authentication in the block by the way that later, each node is directed to again
The block broadcasts vote information, and carries out block chain common recognition based on vote information, specifically, with reference to Fig. 3, the step S30
Including：
Step S31, in each transaction Information Authentication in the block to the area of each node by rear, by each node to institute
It states block to sign, and broadcasting multisignatures are voted；
Step S32, when node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio
When, it is voted by each node broadcasts rule；
Step S33, when node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio
When, each node stores the block rule into the disk of present node, to carry out block chain common recognition.
That is, in each transaction Information Authentication in the block to the area of each node by rear, each node carries out block
It signs, in the present embodiment, the mode that each node signs to the block is chosen as：The Hash of each node calculation block
Value, and signed using the private key that each node prestores to the cryptographic Hash of calculating.When each node carries out block to sign it
Afterwards, then to block chain network broadcasting multisignatures it votes, the signature ballot of the block is broadcast to other each in block chain network
In a node.
In the present embodiment, it is every in block chain network in each node after the ballot of block chain network broadcasting multisignatures
A node can receive the signature ballot of other node broadcasts, when each node in block chain all receives the first default ratio
Or more node broadcasts signature ballot when, each node just broadcast rule ballot, and in the present embodiment, described first presets and compare
Example is 2/3.It should be appreciated that when there is node to receive the signature ballot less than the node broadcasts of the first preset ratio in block chain
When, then the node does not broadcast rule ballot.
Later, when node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio,
Each node stores the block rule into the disk of present node, to carry out block chain common recognition so that block chain network
In each node Transaction Information it is unanimously consistent so as to fulfill the whole network.In the present embodiment, the numerical value of second preset ratio with
The numerical value of first preset ratio is identical, is 2/3.It should be appreciated that when thering is node to receive less than the second preset ratio in block chain
Node broadcasts rule ballot when, then the node does not store block rule in the disk of present node, then the node area
The common recognition failure of block chain.
In the present embodiment, in block chain network, All Activity information in block is confirmed by common recognition process,
And finished in confirmation and signature verification is carried out to the block, broadcast ballot is carried out after verification, after voting through, each node
By in block storage to its respective disk, block is increased in block chain so that the block height of block chain constantly increases
Add, realize All Activity information in all block chain networks and reach common understanding.
The block chain common recognition method that the present embodiment proposes, first passes through leader node and obtains with batch of each transaction information,
Each transaction information of acquisition is packaged to form block, and the block of composition is broadcasted to the retinue in block chain network
Node, then by the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
To area's each transaction information in the block verified, pass through in each transaction Information Authentication in the block to the area of each node
Afterwards, vote information is broadcasted for the block by each node, and block chain common recognition is carried out based on vote information.In the present invention,
After node of acting as the leader gets Transaction Information, block is first packaged into Transaction Information and issues retinue's node, then leader node
To area, each transaction information in the block is verified with retinue's nodal parallel, and after the validation broadcast vote information to be total to
Know, realize common recognition concurrent process and perform, waited for mutually without leader node and retinue's node, shorten the common recognition time, improved
The efficiency of block chain common recognition.
Further, the second embodiment of block chain common recognition method of the present invention is proposed based on first embodiment.
Difference lies in described for the second embodiment of block chain common recognition method and the first embodiment of block chain common recognition method
Before step C, the method further includes：
Step D obtains the overtime device for current block setting by each node, with by the overtime device of acquisition into
Row timing；
After timing is started by the overtime device of setting, the method further includes：
Step E calculates time arrival preset duration, and block is not completed also when knowing together in the overtime device for having node, by
The node increases the numerical value of active view, and broadcasts view according to the numerical value of active view and handover request to block chain network
Other each nodes；
Step F, when the view switching that the node receives the node broadcasts of third preset ratio in block chain network please
It when asking, is switched in next view by the node, to re-start block chain common recognition in next view.
It should be noted that during the common recognition of block chain, each stage be likely to because occur mistake, time-out or
Person, which deliberately does evil, waits a variety of causes to cause to can not be successfully into next stage, so as to make common recognition that can not reach.Therefore, this implementation
In example, introducing exception handling is this to solve the problems, such as, first, the overall process once known together is defined as a view, altogether
All stages known need to complete under same view, specifically：It is carried out extensively for the block being verified in each node
Before broadcasting vote information, the overtime device for current block setting is obtained by each node, to pass through the overtime device of acquisition
Carry out timing.It should be noted that overtime device be each node after as soon as upper block rule stores, set
Overtime device, for example, a upper block is h-1, after each node stores block h-1 rules, it is meant that next need
Start the common recognition process of block h, therefore, each node at this time can set the common recognition of block h one overtime device, so as to subsequently to area
When block is known together, the monitoring of block chain abnormality processing is carried out according to the overtime device of setting.
After each node gets the overtime device set for current block, each node can pass through the super of acquisition
When device monitoring block common recognition process.Each node is to the common recognition process of block：To area, each transaction information in the block carries out
Verification, in each node, to area, each transaction Information Authentication in the block by rear, signs to the block by each node,
And broadcasting multisignatures are voted；When node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio
When, it is voted by each node broadcasts rule；When node each in block chain receives the node broadcasts of more than the second preset ratio
Rule ballot when, each node stores the block rule in the disk of present node, to carry out block chain common recognition.
In the present embodiment, during each node is monitored the common recognition process of block by the overtime device of setting,
If the overtime device for having node calculates the time and reaches preset duration, and the block of the node does not complete common recognition also, explanation should at this time
Has there is exception in block chain common recognition in node, which needs to carry out the switching of view, wherein, the preset duration is prior
It is configured, does not limit herein according to actual needs.The step of node progress view switching, is chosen as：Node increases current
The numerical value of view, and view is broadcasted according to the numerical value of active view and handovers request to other each nodes of block chain network, it
Afterwards, if receive the view handover request of the node broadcasts of third preset ratio, illustrate there are multiple sections in the block chain network
All there is the abnormal situation of block chain common recognition in point, then each node can be switched to from active view in next view, under
One view re-starts block chain common recognition, wherein, the numerical value of the numerical value of the third preset ratio and first, second preset ratio
It is identical, it is 2/3.
In the present embodiment, in node after active view switches to next view, need to re-start leader node
With the election of retinue's node, i.e., in the embodiment of the present invention, the role of node is not changeless, with time-shift angle of rotation of joint
Color can also be changed, and node role is changed according to the variation of view.The election of leader node and retinue's node
Process has been described in detail in first embodiment above, is not repeated herein.It is each after leader node and retinue's node change
Transaction Information verification and broadcast ballot between node are also required to re-execute, Transaction Information between each node verify with
And broadcast ballot is described in detail in first embodiment above, is no longer repeated herein.
In the present embodiment, setting Timeout policy controls the mechanism of common recognition abnormality processing so that by super in each node
When device to block common recognition process time be monitored, monitor block common recognition process time reach the preset duration, then
Initiate view handover request, and in block chain network more than third preset ratio node broadcasts view handover request when,
It is switched in next view from active view by each node, to re-start block chain common recognition in next view, ensured
Block chain common recognition is normally carried out.
Further, the 3rd embodiment of block chain common recognition method of the present invention is proposed based on first or second embodiments.
The 3rd embodiment of block chain common recognition method and the difference of the first or second embodiments of block chain common recognition method exist
In after reference Fig. 4, the step S30, the method further includes：
The block when block chain knows together completion, is added in block chain, and update by step S40 by each node
The block height of block chain；
Step S50 according to updated block height, re-executes the common recognition operation of block chain.
In the present embodiment, vote information is broadcasted block in each node, and block chain is carried out based on vote information and is total to
After knowledge, if block chain is known together successfully, the block is added in block chain by each node, it should be understood that each node
Block chain is all corresponding with, therefore the block is added in block chain by each node, block is exactly added to local area
In block chain.After block is added to block chain by each node, the block height of more new block chain, then according to updated area
Block height re-executes the common recognition operation of block chain.
That is, after block chain completes the update of block according to Transaction Information, then according to updated block
Highly, the common recognition operation of block chain is continued to execute.It should be noted that after the block height in block chain updates, block chain
It needs to re-start leader node in network and accompanies the election of node, i.e., in the embodiment of the present invention, the role of node is not solid
Fixed constant, node role can change according to the variation of block height.The election process of leader node and retinue's node exists
It has been described in detail, has been not repeated herein in first embodiment above.Leader node and retinue node change after, each node it
Between Transaction Information verification and broadcast ballot be also required to re-execute, specifically, obtained again according to updated leader node
New batch of Transaction Information is taken, and new batch of Transaction Information is carried out being packaged into block, with broadcast to retinue's node, with by each
The Transaction Information verification and broadcast ballot that a node carries out, to re-start block chain common recognition, the Transaction Information of each node
Verification and broadcast ballot are hereinbefore described in detail, and are no longer repeated herein.
In the present embodiment, be the equal of in block chain according to the Transaction Information of acquisition complete common recognition after, then after
The common recognition of continuous next group Transaction Information, so as to complete the growth of block chain.
To be best understood from technical scheme of the present invention, below with brief description technical scheme of the present invention.
As shown in figure 5, before common recognition starts, calculation formula (h+v) %N=Idx (i) is first passed through in each of block chain
Leader node and retinue's node are elected in node, Transaction Information is then obtained by leader node, to believe the transaction of acquisition
Breath is packaged to obtain block, then broadcasts block to retinue's node in block chain network, then, by the leader node
To area, each transaction information in the block is verified respectively with retinue's node, in each transaction in the block to the area of each node
Information Authentication is voted by rear, by each node for the block broadcasting multisignatures, when node each in block chain receives 2/3
During the signature ballot of above node broadcasts, the block rule is stored into the disk of present node by each node, with
Carry out block chain common recognition.Also, the block is added in block chain by each node, and the block height of more new block chain
H++, according to according to updated block height h++, to re-execute the common recognition operation of block chain.
In addition, broadcasting vote information for block in each node, and it is based on before vote information progress block chain common recognition,
Overtime device for current block setting is obtained by each node, to carry out timing by the overtime device of acquisition, when each
Node broadcasts vote information for the block, and is based on after vote information progress block chain common recognition, if there is the time-out of node
Device calculates time arrival preset duration, and block does not complete common recognition also, then increases the numerical value v+ of active view by the node
+, and view is broadcasted according to the numerical value of active view and handovers request to other each nodes of block chain network, when the node connects
When receiving the view handover request of 2/3 node broadcasts in block chain network, then switched in next view from active view, with
Block chain common recognition is re-started in next view.
The present invention further provides a kind of computer readable storage mediums.
Block chain common recognition program is stored on the computer readable storage medium, the block chain common recognition program is handled
Device realizes following steps when performing：
It is obtained by leader node with batch of each transaction information, each transaction information of acquisition is packaged with group
It is broadcasted into block, and by the block of composition to retinue's node in block chain network；
By the leader node, to area, each transaction information in the block is verified, and by retinue's node to receiving
Area's each transaction information in the block verified；
In each transaction Information Authentication in the block to the area of each node by rear, the block is directed to by each node
Vote information is broadcasted, and block chain common recognition is carried out based on vote information.
Further, it is described by leader node obtain with the step of batch of each transaction information before, the block
When chain common recognition program is executed by processor, following steps are also realized：
Inquire the node identification of each node in block chain network；
Obtain preset calculation formula；
According to the calculation formula and the node identification of each node, elected in each node leader node and with
From node.
Further, when block chain common recognition program is executed by processor, also realize according to the calculation formula and
The node identification of each node, the step of leader node is elected in each node and accompanies node：
The node identification of each node is compared with the calculation formula；
When the node identification for having node is matched with the calculation formula, it is leader node to determine the node；
When the node identification for having node is mismatched with the calculation formula, determine the node for retinue's node.
Further, it when the block chain common recognition program is executed by processor, also realizes the node identification of each node
The step of being compared with the calculation formula：
Determine block height current in block chain network, the numerical value of active view and current number of nodes；
Current block height, the numerical value of active view and current number of nodes are substituted into the calculation formula；
The calculation formula that substitution there are parameters is compared with the node identification of each node.
Further, it when the block chain common recognition program is executed by processor, also realizes in each node to the block
In each transaction Information Authentication by rear, broadcast vote information, and based on vote information for the block by each node
The step of carrying out block chain common recognition：
In each transaction Information Authentication in the block to the area of each node by rear, by each node to the block into
Row signature, and broadcasting multisignatures are voted；
When node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio, by each
Node broadcasts rule is voted；
When node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio, Mei Gejie
Point stores the block rule into the disk of present node, to carry out block chain common recognition.
Further, it when the block chain common recognition program is executed by processor, also realizes by each node to the block
The step of being signed：By the cryptographic Hash of each node calculation block, and using the private key that each node prestores to the Kazakhstan of calculating
Uncommon value is signed.
Further, it is described according to the calculation formula and the node identification of each node, it is elected in each node
Before the step of going out leader node and retinue's node, when the block chain common recognition program is executed by processor, following walk also is realized
Suddenly：
Overtime device for current block setting is obtained by each node, carried out by the overtime device by acquisition in terms of
When；
It is also real when the block chain common recognition program is executed by processor after timing is started by the overtime device of setting
Existing following steps：
Time arrival preset duration is calculated, and block is not completed also when knowing together in the overtime device for having node, by the section
Point increases the numerical value of active view, and broadcasts view according to the numerical value of active view and handover request to the other each of block chain network
A node；
When the node receives the view handover request of the node broadcasts of third preset ratio in block chain network, by
The node is switched in next view, to re-start block chain common recognition in next view.
Further, it is described in each transaction Information Authentication in the block to the area of each node by rear, by each section
Point broadcasts vote information for the block, and is based on after the step of vote information carries out block chain common recognition, the block chain
When common recognition program is executed by processor, following steps are also realized：
When block chain knows together completion, the block is added in block chain by each node, and more new block chain
Block height；
According to updated block height, the common recognition operation of block chain is re-executed.
Computer readable storage medium proposed by the present invention when block chain common recognition program is executed by processor, is realized following
Step：It first passes through leader node to obtain with batch of each transaction information, each transaction information of acquisition is packaged with group
It is broadcasted into block, and by the block of composition to retinue's node in block chain network, then by the leader node in block
Each transaction information verified, and by it is described retinue node each transaction information in the block to the area received test
Card in each transaction Information Authentication in the block to the area of each node by rear, is broadcasted by each node for the block
Vote information, and block chain common recognition is carried out based on vote information.In the present invention, after node of acting as the leader gets Transaction Information,
Block is first packaged into Transaction Information and issues retinue's node, then each pen in the block is handed over to area for leader node and retinue's nodal parallel
Easy information is verified, and broadcast vote information to know together, realizes concurrent process of knowing together and performs after the validation, without
Leader node and retinue's node wait for mutually, shorten the common recognition time, improve the efficiency of block chain common recognition.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those elements, and
And it further includes the other elements being not explicitly listed or further includes intrinsic for this process, method, article or device institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes
Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of method 1. block chain is known together, which is characterized in that the block chain common recognition method includes：It is obtained by leader node with batch of each transaction information, each transaction information of acquisition is packaged to form area Block, and the block of composition is broadcasted to retinue's node in block chain network；By the leader node, to area, each transaction information in the block is verified, and by retinue's node to the area that receives Each transaction information in the block is verified；In each transaction Information Authentication in the block to the area of each node by rear, broadcasted by each node for the block Vote information, and block chain common recognition is carried out based on vote information.
- The method 2. block chain as described in claim 1 is known together, which is characterized in that described to be obtained by leader node with batch of Before the step of each transaction information, the method further includes：Inquire the node identification of each node in block chain network；Obtain preset calculation formula；According to the calculation formula and the node identification of each node, leader node is elected in each node and retinue saves Point.
- The method 3. block chain as claimed in claim 2 is known together, which is characterized in that described according to the calculation formula and each The node identification of node elects leader node in each node and includes the step of accompanying node：The node identification of each node is compared with the calculation formula；When the node identification for having node is matched with the calculation formula, it is leader node to determine the node；When the node identification for having node is mismatched with the calculation formula, determine the node for retinue's node.
- The method 4. block chain as claimed in claim 3 is known together, which is characterized in that described by the node identification of each node and institute The step of calculation formula is compared is stated to include：Determine block height current in block chain network, the numerical value of active view and current number of nodes；Current block height, the numerical value of active view and current number of nodes are substituted into the calculation formula；The calculation formula that substitution there are parameters is compared with the node identification of each node.
- The method 5. block chain as described in claim 1 is known together, which is characterized in that described in the block to the area in each node Each transaction Information Authentication broadcasts vote information, and carry out based on vote information by rear, by each node for the block The step of block chain is known together includes：In each transaction Information Authentication in the block to the area of each node by rear, the block is signed by each node Name, and broadcasting multisignatures are voted；When node each in block chain receives the signature ballot of the node broadcasts of more than the first preset ratio, by each node Broadcast rule ballot；When node each in block chain receives the rule ballot of the node broadcasts of more than the second preset ratio, each node will In the block rule storage to the disk of present node, to carry out block chain common recognition.
- The method 6. block chain as claimed in claim 5 is known together, which is characterized in that described to be carried out by each node to the block The mode of signature includes：By the cryptographic Hash of each node calculation block, and using the private key that each node prestores to the Kazakhstan of calculating Uncommon value is signed.
- The method 7. block chain as claimed in claim 2 is known together, which is characterized in that described according to the calculation formula and each The node identification of node elects leader node with before the step of retinue's node in each node, and the method further includes：Overtime device for current block setting is obtained by each node, to carry out timing by the overtime device of acquisition；After timing is started by the overtime device of setting, the method further includes：Time arrival preset duration is calculated, and block is not completed also when knowing together, and is increased by the node in the overtime device for having node The numerical value of sovolin front view, and view is broadcasted according to the numerical value of active view and handovers request to other each sections of block chain network Point；When the node receives the view handover request of the node broadcasts of third preset ratio in block chain network, by described Node is switched in next view, to re-start block chain common recognition in next view.
- 8. as claim 1-7 any one of them blocks chain know together method, which is characterized in that it is described in each node to described Area's each transaction Information Authentication in the block broadcasts vote information, and based on ballot by rear, by each node for the block After information carries out the step of block chain common recognition, the method further includes：When block chain knows together completion, the block is added in block chain by each node, and the more block of new block chain Highly；According to updated block height, the common recognition operation of block chain is re-executed.
- The system 9. a kind of block chain is known together, which is characterized in that the block chain common recognition system includes processor, memory and storage On the memory and the block chain common recognition program that can run on the processor, block chain common recognition program are described It is realized when processor performs such as the step of block chain described in any item of the claim 1 to 8 common recognition method.
- 10. a kind of computer readable storage medium, which is characterized in that block chain is stored on the computer readable storage medium Common recognition program, the block chain common recognition program realize such as claim 1 to 8 any one of them block chain when being executed by processor The step of common recognition method.
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