CN106452785B - Block chain network, branch node and block chain network application method - Google Patents
Block chain network, branch node and block chain network application method Download PDFInfo
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- CN106452785B CN106452785B CN201610872194.3A CN201610872194A CN106452785B CN 106452785 B CN106452785 B CN 106452785B CN 201610872194 A CN201610872194 A CN 201610872194A CN 106452785 B CN106452785 B CN 106452785B
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/04—Payment circuits
- G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
- G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
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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
- 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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- 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
-
- 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
-
- 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 network, branch node and block chain network application methods；Block chain network includes: multiple nodes, for storing the block including recording data respectively, and links block and forms block chain；It include at least one branch node in multiple nodes, for when receiving the record data of specific user's submission, record data are sent to other nodes in block chain network, according to the quantity for effective confirmation result that other nodes are returned for record data, result is submitted to specific user's return recording data；It is also used to send other nodes in block chain network when receiving the request of specific user's creation new block for new block, return to the result of creation new block to specific user according to the result of other node verification new blocks.Implement the present invention, the mobile terminal for realizing block chain technology in user side is implemented, and extends block chain use scope, and can save the resource of user side mobile terminal.
Description
Technical field
The present invention relates to block chain technology more particularly to a kind of block chain networks, branch node and block chain network application
Method.
Background technique
Block chain is the core technology of (Blockchain) bit coin, is substantially the database of a decentralization.Area
Block is a string using the associated data block generated of cryptography method, and block has recorded the information of bit coin transaction, for verifying
The validity (anti-fake) and the next block of generation of transaction.
In addition to the transaction for realizing ideal moneys such as bit coin, financial, just, supply chain, body can also be widely used in
The storage and backtracking of relative recording data, are with a wide range of applications in part verifying.
Currently, block chain technology has the following problems when being applied to mobile terminal:
One, block chain needs to be stored in mobile terminal local, occupies a large amount of storage resource of mobile terminal.
The record data of block chain storage can constantly increase, and will lead to the volume of the block chain of mobile terminal storage increasingly
Greatly.
Two, by taking the application of the bit coin of block chain as an example, a large amount of flows of mobile terminal are consumed when the transaction of bit coin occurs
And computing resource.
The transaction of bit coin needs block chain interior joint to confirm immediately when occurring, correspondingly, the block stored in mobile terminal
Chain is also required to be updated, and leads to a large amount of consumings of mobile terminal flow, also, mobile terminal is locally needed through Hash calculation pair
The transaction of generation is confirmed, for example, confirming that block chain number is effective by Hash calculation；Confirm that prevpage coding is effective；It is logical
It is effective to cross backtracking confirmation schedule of dealing.This process needs to spend a large amount of computing resource of mobile terminal and memory space.
Summary of the invention
The embodiment of the present invention provides a kind of block chain network, branch node and block chain network application method, realizes area
Block chain technology is implemented in the mobile terminal of user side, and can save the resource of user side mobile terminal.
The technical solution of the embodiment of the present invention is achieved in that
In a first aspect, the embodiment of the present invention provides a kind of block chain network, comprising:
Multiple nodes for storing the block including recording data respectively, and link the block and form block chain；
Include at least one branch node in the multiple node, establishes encrypted tunnel for negotiating with specific user；
The branch node is also used to receive the record data that the specific user is submitted by the encrypted tunnel, will
The record data are sent to other nodes that the branch node is removed in the block chain network, are directed to institute according to other nodes
The quantity for stating effective confirmation result that record data return, by the encrypted tunnel to specific user's return recording data
Submit result；
The branch node is also used to receive asking for the creation new block that the specific user is sent by encrypted tunnel
It asks, other nodes in the block chain network is sent by the new block, according to the knot of new block described in other node verifications
Fruit returns to the result of creation new block to the specific user.
Second aspect, the embodiment of the present invention provide a kind of foregoing branch node, comprising:
Storage unit, for storing the block including record data, and chain respectively with multiple nodes in block chain network
It connects the block and forms block chain；
Encrypted tunnel unit establishes encrypted tunnel for negotiating with specific user；
Record data cell, the record data submitted for receiving the specific user by the encrypted tunnel, by institute
Other nodes that record data are sent in the block chain network are stated, are returned according to other nodes for the record data
The effectively quantity of confirmation result submits result to specific user's return recording data by the encrypted tunnel；
New district module unit, for receiving asking for creation new block that the specific user is sent by the encrypted tunnel
It asks, other nodes in the block chain network is sent by the new block, according to the knot of new block described in other node verifications
Fruit returns to the result of creation new block by the encrypted tunnel to the specific user.
The third aspect, the embodiment of the present invention provide a kind of block chain network application side applied to block chain network above-mentioned
Method, wherein there is at least one branch node in multiple nodes of block chain network；
Method includes:
Negotiate to establish encrypted tunnel with specific user；
When receiving the record data that the specific user is submitted by the encrypted tunnel, the record data are sent
To other nodes for removing the branch node in the block chain network, returned according to other nodes for the record data
The effectively quantity of confirmation result submits result to specific user's return recording data by the encrypted tunnel；
When receiving the request for the creation new block that the specific user is sent by the encrypted tunnel, by the new district
Block is sent to other nodes in the block chain network and is confirmed, according to new block described in other node verifications as a result, logical
Cross the result that the encrypted tunnel returns to creation new block to the specific user.
The embodiment of the present invention have it is such the utility model has the advantages that
The branch node that one or more nodes of block chain are used as passes through user of the branch node into service range
(specific application) provides the service based on block chain, the new block including submitting record data and confirmation creation, so that block
The efficiency that chain service can be realized in user side, shows:
1) for being submitted for record data into block chain network, user only needs to submit record data and receives note
The submission of data is recorded as a result, remaining processing interacts realization with other nodes by branch node, user does not both need memory block
Chain does not need to carry out other calculating yet, realizes the effect for saving memory space and computing resource.
2) in block chain create new block for, user to need initiate creation new block request, it is subsequent not
It needs to carry out network communication (until receive confirmation result) again, the new block of creation is confirmed offline to realize
Technical effect reduces the frequent network operation of user side, the service of block chain is easier to realize in mobile terminal.
Detailed description of the invention
Fig. 1 is an optional structural schematic diagram of block chain network in the embodiment of the present invention；
Fig. 2 is one optional structural schematic diagram of block chain in the embodiment of the present invention；
Fig. 3-1 is one optional structural schematic diagram of block chain in the embodiment of the present invention；
Fig. 3-2 is one optional structural schematic diagram of block chain in the embodiment of the present invention；
Fig. 4 is an optional structural schematic diagram of block chain network in the embodiment of the present invention；
Fig. 5 is an optional software and hardware structure schematic diagram of branch node in the embodiment of the present invention；
Fig. 6-1 is the optional process signal that branch node is specific user confirms transaction in the embodiment of the present invention
Figure；
Fig. 6-2 is the optional process signal that branch node is specific user confirms transaction in the embodiment of the present invention
Figure；
Fig. 6-3 is the optional scene signal that branch node is specific user confirms transaction in the embodiment of the present invention
Figure；
Fig. 6-4 is the optional scene signal that branch node is specific user confirms transaction in the embodiment of the present invention
Figure；
Fig. 7 is that branch node is that specific user request to create one of new block in block chain can in the embodiment of the present invention
The flow diagram of choosing；
Fig. 8 is that block chain network is applied to one that supply chained record is written when supply chain in block in the embodiment of the present invention
Optional schematic diagram；
Fig. 9 is an optional illustrative view of functional configuration of branch node in the embodiment of the present invention.
Specific embodiment
The present invention is further described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated that mentioned herein
Embodiment is only used to explain the present invention, is not intended to limit the present invention.In addition, embodiment provided below is for implementing
Section Example of the invention, rather than provide and implement whole embodiments of the invention, in the absence of conflict, the present invention is implemented
Example record technical solution can mode in any combination implement.
Before the present invention will be described in further detail, noun involved in the embodiment of the present invention and term are said
It is bright.
Ideal money, middle finger encryption currency of the embodiment of the present invention, is the distributed digital based on cryptography
Currency, including bit coin, Lay spy coin and other similar derivative currency type.
Block (Block) is a storage unit, is realized between each block by random hash (also referred to as hash algorithm)
It links (chain), the block head (head of block) of the latter block includes the cryptographic Hash of previous block, to realize block
It is connected in succession with block, forms block chain.
Block chain (Blockchain), multiple nodes generate block, block using cryptography method is associated by a string
It is used to verify the data for the validity for recording data and previous area using the structure of " block head+block body ", in block head
The index data of block contains the record data in certain time in block body.
From functional structure, block chain is the distributed data base of the node operation of a group dispersion, various to store
Record the record data of data such as ideal money transaction.It include a series of block in block chain from data structure level,
New block is once added in block chain and would not be removed again, and record data are contained in block, for verifying record data
Validity (anti-fake) and generate next block.
By taking bit coin as an example, confirmation of the transaction of bit coin dependent on operation block chain interior joint, when bit coin transaction quilt
When one node confirms for the first time, corresponding schedule of dealing is added to the newest block in block chain, and the transaction is by block chain network
In other nodes continue confirmation exempt from easy repetition, when be confirmed in enough blocks (namely block record data
The transaction) when trade and finally confirmed, it is irreversible to trade at this time.
Digital signature is related to the private key of hash function, the public key of sender and sender.Sender is using private key to needs
The message (abstract of such as message) of transmission is encrypted, and recipient decrypts message using public key not to be passed through more with verifying message
Change and the identity of sender.
The embodiment of the present invention provides block chain network, optional referring to one of the block chain network of bit coin shown in fig. 1
Structural schematic diagram, point-to-point (P2P, the Peer To Peer) network that block chain network is made of multiple nodes, P2P is one
A application layer protocol operated on Transmission Control Protocol, the node in block chain network is reciprocity each other, and center is not present in network
Node, each node can connect other nodes at random, and therefore block chain network has the characteristics that decentralization.
Referring to the functional structure of block chain interior joint shown in fig. 1, the node in block chain is all had: 1) routing function,
The information such as the schedule of dealing for other nodes to be sent send the communication between more nodes realization nodes to again.Separately
Outside, the complete function of node further include: 2) bit coin wallet, for supporting user to carry out the transaction of bit coin；3) block chain, note
The historical All Activity of bit coin (namely record data of transaction) have been recorded, have guaranteed the peace of historical trading by special structure
Quan Xing, and it is used to verify the legitimacy of New Transaction；4) miner trades and decrypts mathematical problem by record to generate in block chain
New block, if generating the reward of the available bit coin of new block success, the above-mentioned difficult math question to creation new block
It is solved to create new block and obtain the process of corresponding bit coin reward and also become digging mine.In practical application, only road
It is that other function is set in node according to actual needs necessary to the node in block chain as function, for example, being saved for miner
Can only have the function of routing function and miner for point, part of nodes can only realize wallet function, and part of nodes can be only
It realizes and digs mine function.
Based on Fig. 1, the structure of block chain is illustrated, an optional structure of the block chain 200 shown referring to fig. 2
Schematic diagram, for block chain using block as the schedule of dealing of unit stored bits coin, the block in block chain is raw sequentially in time
At each block is used to record the schedule of dealing of the bit coin generated in certain time.Occur first area in block chain first
Block namely wound generation block, since schedule of dealing can be increasing at any time, for the block of store transaction inventory in block chain
Quantity also with the time evolution and be increasing.In addition to creating generation block, each block can be deposited in the block chain of node storage
The index such as Hash for containing previous block hashes, therefore is linked based on index as block chain between block.Due to block
What the block in chain was generated according to time sequencing, by the generation time based on wound generation block in wound generation block, in block chain
The sequencing of block be equivalent to the effect for realizing timestamp, while each block is stored with the index of previous block, makes
Obtaining the schedule of dealing in block chain has the characteristic that can not be forged.
Referring to optional schematic diagram of block structure (BlockStructure) shown in Fig. 3-1 and Fig. 3-2, block point
For block head (header) and block body (body) two parts.It is clear to will record the transaction that lower block generated in the period in block body
Single, the other function of block chain is realized by block head.
Block head includes:
1) version number identifies the relevant release note of software and agreement.
2) block cryptographic Hash (father's Hash), the Hash of the block head for the previous block (also referred to as father's block) that block is linked
Value carries out secondary Hash calculation by block head of the SHA256 algorithm to father's block and obtains；Block joins end to end and links to be formed
Block chain, and guarantee the safety of block chain, prevent distorting for schedule of dealing.
3) Merkle tree root, this value are the cryptographic Hash Hash calculations two-by-two step by step again by All Activity inventory in block body
Numerical value out is mainly used for examining whether record data (transaction of such as one bit coin) exists in the block.
4) timestamp, the time that record block generates.
5) difficulty value, the difficulty target of block correlation mathematical problem；
6) random number (Nonce) decrypts the value of the answer of the block correlation mathematical problem.
For block chain network shown in fig. 1 when mobile terminal is applied existing aforementioned problem, the embodiment of the present invention
A kind of following block chain network is provided, includes multiple nodes in block chain network, and constitute the node of block chain network
In at least exist a branch node, branch node for orient specific user provide the service based on block chain.
One optional structural schematic diagram of the block chain network shown referring to fig. 4, in the block chain network shown in Fig. 4
Including multiple nodes, node all has routing function to carry out point-to-point communication (as sent schedule of dealing) by Ethernet,
Part of nodes is as branch node such as branch node 41 and branch node 42, mobile end of the branch node 41 to specific user side
(including mobile terminal 44 and mobile terminal 45) is held to provide the service based on block chain.
Optionally, mobile terminal 44 and mobile terminal 45 pass through the access network of wireless access point 43 with logical with branch node 41
Letter；Similarly, branch node 42 is provided to the mobile terminal (including mobile terminal 47 and mobile terminal 48) of specific user side
Based on the service of block chain, optionally, mobile terminal 47 and mobile terminal 48 by wireless access point 46 access network with point
Zhi Jiedian 42 is communicated.
In practical application, the mobile terminal of any machine such as server, user side can be added block chain network and form
For node, generally, when branch node is based on server or server cluster is realized, branch node is alternatively referred to as branch's service
Device.On hardware view, illustratively, referring to an optional software and hardware structure schematic diagram of the branch node 50 shown in Fig. 5,
Branch node includes hardware layer, middle layer, operating system layer and software layer.
However, it will be understood by those of skill in the art that the structure of the branch node 50 shown in Fig. 5 is merely illustrative, not
Constitute the restriction to 50 structure of branch node.For example, branch node 50 can be arranged according to needs are implemented compared with more groups of Fig. 5
Part, or need to omit setting unit component according to implementation.
The hardware layer of branch node 50 includes processor 51, input/output interface 53, storage medium 54 and network interface
52, component can be through system bus connection communication.
Processor 51 can using central processing unit (CPU), microprocessor (MCU, Microcontroller Unit), specially
With integrated circuit (ASIC, Application Specific Integrated Circuit) or logic programmable gate array
(FPGA, Field-Programmable Gate Array) is realized.
Input/output interface 53 can be realized using such as display screen, touch screen, loudspeaker input/output device.
Storage medium 54 can be realized using non-volatile memory mediums such as flash memory, hard disk, CDs, can also be used double
The volatile storage mediums such as rate (DDR, Double Data Rate) dynamic buffering are realized, wherein being stored with above-mentioned logical to execute
Believe the executable instruction of condition processing method.
Illustratively, storage medium 54 can be arranged in same place jointly with branch server 50, can also be relative to
The setting of 50 place remote of branch node or the distribution setting of 50 local and remote side of opposed branch node.Network interface 52 is to processing
Device 51 provides the access ability of the external data such as storage medium 54 of strange land setting, and illustratively, network interface 52 may be implemented
Such as based on CDMA (CDMA, Code Division Multiple Access), wideband code division multiple access (WCDMA,
Wideband Code Division Multiple Access) etc. communication standards and its evolution standard communication.
Driving layer includes for the middleware 55 for the identification hardware layer of operating system 56 and with each assembly communication of hardware layer, example
It can be such as the set of the driver of each component for hardware layer.
Operating system 56 is for providing user oriented graphical interfaces, illustratively, including plug-in unit icon, desktop background and
Application icon, the support user of operating system 56 is via graphical interfaces to the control embodiment of the present invention of equipment to the soft of above equipment
Part environment such as OS Type, version without limitation, such as can be Android operation system, iOS operating system, Linux behaviour
Make system or UNIX operating system etc..
Protocol layer 57 includes the software supporting block chain correlation function such as wallet, dig mine etc. and agreement.
Hereinafter it is assumed that the block chain network of bit coin, continues to orient branch node specific user's offer based on block chain
Service be illustrated, it is possible to understand that ground, when block chain is for the purposes except bit coin, such as financial, just, supply chain, body
Part verifying etc. fields when, those skilled in the art can the scheme based on following record and implement.Branch node support to
Specific user's (namely branch node offer orientation) provide the service based on block chain include:
1) user is supported to carry out the transaction of bit coin, namely: the transaction (corresponding record data) of bit coin is submitted in user
When, isochronous transaction returns to transaction to specific user and submits result (as transaction obtains really in block chain to confirm to transaction
Recognize, alternatively, Fail Transaction).
2) user is supported to carry out digging mine, that is, user calculates answering for the mathematical problem for creating new block by mobile terminal
Case (random number for meeting predetermined condition), and created to branch node request confirmation for newly created block new block when,
Branch node requests the new block of other nodes confirmation specific user's creation (as newest in block chain in block chain network
Block), the new block of other nodes in block chain confirmation specific node creation be legal block like when, obtained for specific user
Obtain reward of a certain number of bit coin as creation new block.
The realization process of the above-mentioned service based on block chain of realization is illustrated again below.
1) bit coin is traded
In conjunction with Fig. 4, following branch nodes can be any of branch node 41 and branch node 42, specific user
The user (also referred to as user) of the service based on block chain is provided for branch node orientation, such as the user of respective branches node 41
The mobile terminal 44 of side and the user of mobile terminal 45, for another example mobile terminal 47 of the user side of respective branches node 42 and movement
The user of terminal 48.
It is that specific user supports an optional process for carrying out the transaction of bit coin to show referring to the branch node shown in Fig. 6-1
It is intended to, specific user has carried out the transaction of bit coin by cell phone client (such as bit coin wallet), such as pays to other users
A certain number of bit coin, then submit schedule of dealing (step 101) to branch server, includes the hair of bit coin in schedule of dealing
The side of sending, the address of recipient, transaction bit coin quantity, schedule of dealing is broadcast to other nodes in block chain by branch node
Mode to block chain network request confirmation schedule of dealing (step 102).
In one embodiment, specific user is also carried in the schedule of dealing that specific user submits to be formed for schedule of dealing
Digital signature, illustratively, the cell phone client of specific user forms digital signature in such a way: being calculated using Hash
Method calculates the abstract of schedule of dealing, encrypts to form digital label to the abstract of schedule of dealing using the private key of asymmetrical encryption algorithm
Name.
Illustratively, bit coin private key is the random number of 32 bytes (256) generated using SHA-256 algorithm, effectively
The range of private key then depends on the secp256k1 digital signature of elliptic curve standard that bit coin uses.Size is arrived between 0x1
0xFFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFE BAAE DCE6 AF48 A03B BFD2 5E8C D036
Number between 4140 is all legal private key.
Version number is added before private key, addition compression mark and additional check code (so-called additional verification behind private key
Code is exactly to take the preceding nybble of Hash result twice by 2 SHA-256 operations to private key), then it is carried out again
Base58 coding, obtains the private key of wallet import format (WIF, Wallet import Format) format.
The schedule of dealing of the submission of the specific user in block chain is sent to for branch node, other in block chain network
Digital signature of the node based on schedule of dealing can verify schedule of dealing source (specific user) and schedule of dealing it is complete
Property, avoid schedule of dealing from being tampered.For the branch node in block chain, if the schedule of dealing submitted to specific user
It is verified and storage (certainly, is deposited in the block body of the newest block for the block chain safeguarded in the block chain safeguarded
Storage) after schedule of dealing, the confirmation (step 103) for being directed to schedule of dealing can be sent to branch node.When the transaction of specific user is clear
The node for singly obtaining predetermined quantity in block chain is (whole more than in the node or block chain of half in such as block chain network
Node, here it will again be assumed that node have the function of safeguard block chain) confirmation when, branch node think specific user submit friendship
Easy inventory obtains the confirmation of block chain network, sends to the cell phone client of specific user and confirms successfully (step 104) of trading.
Illustratively, it is clear can to verify the transaction that specific user submits in this manner for the branch node in block chain
It is single: the schedule of dealing received is calculated using hash algorithm (using identical hash algorithm with the cell phone client of specific user)
Abstract, the abstract obtained with the public key decryptions digital signature using asymmetrical encryption algorithm compare, and comparison unanimously then illustrates to trade
The abstract of inventory come from specific user, schedule of dealing be it is believable, receive schedule of dealing in branch node and block chain
Schedule of dealing can be stored in itself safeguarded block chain (it is assumed that receiving the node of schedule of dealing with above-mentioned by node
Block chain function) newest block in (certainly, stored in the block body of newest block).
As an example, as previously described, because branch node itself is also a node in block chain network, with area
The difference of other nodes is also to support the transaction of bit coin for specific user in block chain network, therefore, if branch node is certainly
When body is also stored with block chain function, then branch node can use above-mentioned for the schedule of dealing that specific user submits
Verification mode verifies the integrality of schedule of dealing and source (whether being from specific user), when being verified,
In the newest block of the block chain (here, suppose that branch node also has the function of safeguarding block chain) of branch node self maintained
Block body in store transaction inventory.
It is different from aforementioned exemplary, it is that specific user supports to carry out the transaction of bit coin referring to the branch node shown in Fig. 6-2
One optional flow diagram can be with user side before branch node provides the service based on block chain to specific user
Cell phone client authenticated (step 105), following exemplary explanation.
For example, unilateral authentication: 1) branch node authenticates the cell phone client of specific user；2) hand of specific user
Machine client authenticates branch node.
In another example two-way authentication, branch node authenticates the cell phone client of specific user, and specific user
Cell phone client authenticates branch node.
Encrypted tunnel (step 106) is established by the cell phone client of rear branch node and specific user in certification, such as base
In the encryption connection of secure transport layer protocol (TLS, Transport Layer Security).It is received in this way in branch node
The schedule of dealing for thinking that specific user submits can not be verified when the schedule of dealing that specific user submits to schedule of dealing
Be it is believable, directly branch node maintenance block chain in schedule of dealing is written.
Certainly, for other nodes in block chain, branch node still needs the schedule of dealing for submitting specific user
It is sent to request confirmation in block chain.For user B, the cell phone client of user B is being possessed to block chain query
The bit coin that user A is sent can be shown when bit coin, but due to not yet confirming therefore not being available.
The optional schematic diagram of a scenario of bit coin transaction in conjunction with shown in Fig. 6-3 and Fig. 6-4 is illustrated.
User A needs to send a certain number of bit coin to user B, and user A passes through cell phone client (such as bit coin money
Packet) creation schedule of dealing, the quantity for receiving address and bit coin for sending address, user B including user A, illustratively,
The modes such as the reception address of user B can be manually entered by user A, barcode scanning obtain；The number of user A is also carried in schedule of dealing
Word signature is traded to branch node request confirmation (as previously mentioned, the cell phone customer of branch node and user A by encrypted tunnel
End can carry out in advance two-way authentication and establish encrypted tunnel).At this point, the bit coin that the cell phone client of user A is sent is shown
For the state of " having sent, to be confirmed ".
Branch node first confirms transaction: schedule of dealing is written in the block chain of branch node local.Also,
Schedule of dealing is broadcasted in other nodes of block chain, makes number of other nodes based on schedule of dealing in block chain
Signature is verified, and schedule of dealing is written in the block chain of each node when being verified and broadcasts transaction in block chain clearly
Singly it is verified.
When branch node receives sufficient amount of confirmation of the block chain for the schedule of dealing of broadcast, to the hand of user A
Machine client returns to the bit coin successfully, sent in the cell phone client of user A of trading and is shown as " sent, had confirmed that "
State, while the cell phone client of user B is when to the quantity of block chain query user B all bit coin, in the hand of user B
Show that the bit coin of user A transmission can be used in the bit coin that user A is sent, user B in machine client, transaction is so far completed.
As can be seen that for user A, it is only necessary to schedule of dealing is submitted by branch node, it is subsequent not need to network
And operation is participated in, effectively save the flow and computing resource of user's A mobile terminal.
2) mine is dug
In conjunction with Fig. 4, following branch nodes can be any of branch node 41 and branch node 42, specific user
The user (also referred to as user) of the service based on block chain is provided for branch node orientation, such as the user of respective branches node 41
The mobile terminal 44 of side and the user of mobile terminal 45, for another example mobile terminal 47 of the user side of respective branches node 42 and movement
The user of terminal 48.
Branch node in conjunction with shown in Fig. 7 is that specific user supports an optional flow diagram for dig mine to carry out
Illustrate, specific user requests the friendship for being submitted to block chain network to the branch node for digging mine service support is provided for the specific user
Inventory (the step 201) of easy inventory, as previously mentioned, when user (can be with specific user, or other users) initiates transaction
When can by corresponding branch node submit schedule of dealing request block chain in node be confirmed, thus, branch node obtains
(refer to, create the effective time of newest block in block chain, such as nearest ten minutes) hair to nearest certain time is collected into
The schedule of dealing that is sent in block chain is simultaneously stored into the newest block of block chain.It is asked in specific user by cell phone client
When seeking schedule of dealing, i.e., the schedule of dealing in newest block is sent to the cell phone client (step 202) of specific user, by
The nearest certain time schedule of dealing (step 203) of cell phone client tissue, create block chain in newest block it is effective when
In when not reaching, the new schedule of dealing that branch node will continue to receive be sent to the cell phone client of specific user with
(step 204) is updated to the schedule of dealing of cell phone client tissue.
Still by by taking Fig. 4 as an example, when the user of mobile terminal 45 sends bit coin to the user of mobile terminal 44, movement is eventually
Client in end 45 sends schedule of dealing to block chain, so that other nodes such as branch node 46 in block chain has received
Schedule of dealing is stored in the new district block Lian Zhong itself safeguarded by schedule of dealing after being verified to schedule of dealing
Block (can also be considered as a last block).When the user of mobile terminal 47 passes through the inventory of client request schedule of dealing
When, the schedule of dealing in a block last in block chain is sent to the client of mobile terminal 47 by branch node 46.
Before cell phone client calculates the cryptographic Hash (step 205) of corresponding new block namely by the inventory of schedule of dealing
The Merkle tree root stated.Illustratively, it is assumed that four transactions in the inventory of schedule of dealing are A, B, C and D respectively, will hand over first
Easy data generate the cryptographic Hash of 32 bytes by SHA256 algorithm twice, these values are stored in Merkle as leaf node
In tree, then the cryptographic Hash of two 32 bytes of adjacent leaves node is connected into the character string of 64 bytes, then to this
Character string is stored in by the cryptographic Hash that SHA256 algorithm twice generates 32 bytes as the father node of the two leaf nodes
In Merkle tree, and so on, ultimately form the unified cryptographic Hash of schedule of dealing.
As previously mentioned, block head include block cryptographic Hash (father's Hash), Merkle tree root, timestamp, difficulty value and
Nonce；Wherein, for the block head of new block, father's Hash is the cryptographic Hash (known) of a upper block, Merkle tree root
It 205 can be calculated through the above steps by cell phone client, in addition, timestamp can be filled with currently by cell phone client
Time, difficulty value field also can be adjusted to obtain according to the average generation time of its block for the previous period, for Nonce's
Value, cell phone client Nonce obtained by calculation, which needs to obtain, meets following condition (also referred to as difficult math question): when
When Nonce value is cell phone client calculated random number, the SHA256 cryptographic Hash of the block head of new block is less than in block head
Difficulty value.
When cell phone client calculates the value for meeting the Nonce of above-mentioned condition, the value of calculated Nonce is filled into
The respective field of new district block header, cell phone client have calculated the full header of new block, i.e., initiate to branch node
For the confirmation (step 206) of new block, branch node is by the new block of cell phone client request confirmation (including calculated area
The value of the field of build such as Nonce and the schedule of dealing in block body) to block chain network, request is disclosed in a broadcast manner
Confirm (step 207), when the node in block chain network is to the new block received, the value verified in the block head of new block is
It is no to meet above-mentioned condition, if it is satisfied, then recognizing the new block of the cell phone client creation of specific user as in block chain
Legal block, new block is linked in the block chain of each node local maintenance, to branch node send confirm.Meanwhile hand
It is to receive address that machine client, which is also added in the block body in the new block of creation with the bit coin address of specific user,
Schedule of dealing (generally, referred to as produces schedule of dealing), and user receives prize of a certain number of bit coin as creation new block
Encourage (step 208).Branch node returns to new block to the cell phone client of specific user and creates successfully and obtain certain amount
Bit coin reward (step 209).
As can be seen that for user A, it is only necessary to be submitted by branch node calculated in cell phone client submission
The value of Nonce, branch server can be client in block chain request confirmation new block and be specific user obtain reward,
For cell phone client, do not need continue carry out network communication, do not need yet into except calculate Nonce value in addition to other
Operation saves flow and computing resource.
It should be pointed out that the reality of the aforementioned transaction and the field bit coin Wa Kuang for being applied to bit coin with block chain network
It is illustrated for applying, but is not construed as the restriction to block chain network application field provided in an embodiment of the present invention, below again
It is illustrated so that block chain network as shown in Figure 4 provided in an embodiment of the present invention is applied to supply chain as an example.It is shown referring to Fig. 8
When supply chain in block chain network the block of each node maintenance an optional schematic diagram, in fig. 8, branch server is to confession
The staff of chain difference link is answered to provide the service for submitting Commodity Transportation progress, by taking the link of farm as an example, when the work on farm
After personnel 1 transport commodity from farm to processing center, record 1 is submitted in cell phone client, corresponding branch node will be remembered
Record 1 is sent to request confirmation in block chain network so that other staff 2 in farm by cell phone client (at this time its
The cell phone client of his staff 2 becomes other nodes in block chain network) record 1 is also received, when farm counts enough
After the staff 2 of amount is by corresponding branch node confirmation record 1, record 1 is written into the block body of block chain, due to note
After record 1 needs the cell phone client of the multiple staff 2 in farm to confirm by corresponding branch server, then via work
Make cell phone client return recording 1 confirmation message of the corresponding branch server of personnel 1 to staff 1, therefore avoids and usurp
The possibility for changing and forging.Meanwhile the mobile phone of staff will not continue that relevant operation is communicated and participated in block chain network, from
And the flow and computing resource of mobile phone are saved, guarantee the duration performance of mobile phone.
The logical functional structure of aforementioned branches node is illustrated, referring to the branch node 90 shown in Fig. 9
One optional logical functional structure schematic diagram, comprising:
Storage unit 91, for storing the block including record data respectively with multiple nodes in block chain network, and
It links the block and forms block chain；
Data cell 92 is recorded, for when receiving the record data of specific user's submission, the record data to be sent out
Other nodes except the branch node are sent into the block chain network to be returned according to other nodes for the record data
Effective confirmation result quantity, Xiang Suoshu specific user's return recording data submit result；
New district module unit 93, for when receiving the specific user and creating the request of new block, by the new block
Other nodes in the block chain network are sent to, according to the result of new block described in other node verifications to the specific user
Return to the result of creation new block.
In one embodiment, the record data cell 92 is also used to digital when receiving the carrying specific user
Send the record data to other nodes when the record data of signature, when predetermined quantity the success of other node verifications,
When storing the record data of the submission and returning to effectively confirmation result, Xiang Suoshu specific user returns to the record data submitted
It is confirmed.
In one embodiment, the record data cell 92 is also used to what the record data based on the submission carried
The digital signature of the specific user, the integrality and source for verifying the record data are the specific user, and verifying is logical
The out-of-date record data that the submission is written in the block chain of branch node maintenance.
In one embodiment, the new district module unit 93 is also used to the note that will newly obtain from the block chain network
Record data are sent to the specific user, and the record data are calculated for the specific user meets the random of predetermined condition
Number, fills the calculated random number in the block head of the new block, and described obtains based on the block head and newly
The record data taken form the new block.
In one embodiment, the new district module unit 93 is also used to work as in the block chain described in other node verifications
When random number meets the predetermined condition and the new block is written in the block chain of corresponding maintenance, to the specific use
Family returns to creation new block success.
In one embodiment, the new district module unit 93 is also used in the transaction that the record data are ideal money
In inventory and the block chain other nodes confirm the new block when, based in the new block pre-write with the spy
The address for determining user is the schedule of dealing for receiving address, obtains ideal money for the specific user.
In one embodiment, the new district module unit 93, the branch node further include: authenticated encryption unit 94 is used
It is authenticated in the specific user, determines that the specific user provides the clothes based on block chain for orientation when certification passes through
The user of business, and establish with the specific user for providing the encrypted tunnel of the service based on block chain.
The block chain network application method implemented again to aforementioned block chain network and branch node is illustrated, block
Chain network application method may include:
Step 301, there is at least one branch node in multiple nodes of block chain network；
Step 302, when receiving the record data of specific user's submission, the record data are sent to the block chain
Other nodes that the branch node is removed in network, the effective confirmation result returned according to other nodes for the record data
Quantity, Xiang Suoshu specific user's return recording data submit result；
Step 303, when receiving the request of specific user's creation new block, the area is sent by the new block
Other nodes are confirmed in block chain network, are returned according to the result of new block described in other node verifications to the specific user
Create the result of new block.
In one embodiment, at least one branch node of the multiple node receives the record of specific user's submission
When data, the record data are sent to other nodes in the block chain network, according to the section for confirming the record data
The quantity of point submits result to specific user's return recording data, comprising:
When receiving the record data for carrying specific user's digital signature, the record is sent to other nodes
Data, when other node verifications of predetermined quantity in the block chain network succeed and store the record data of the submission,
The record data submitted are returned to the specific user to be confirmed.
In one embodiment, the method also includes:
The digital signature for the specific user that record data based on the submission carry verifies the record data
Integrality and source are the specific user, are mentioned described in write-in in the block chain of the branch node maintenance when being verified
The record data of friendship.
In one embodiment, the method also includes:
The record data newly obtained from the block chain network are sent to the specific user, the record data supply
The random number for meeting predetermined condition is calculated in the specific user, calculates described in filling in the block head of the new block
Random number, and the record data based on the block head and the new acquisition form the new block.
In one embodiment, the result of the new block according to other node verifications is returned to the specific user
Create the result of new block, comprising:
The random number described in other node verifications meets the predetermined condition and is written in the block chain of corresponding maintenance
When the new block, Xiang Suoshu specific user returns to creation new block success.
In one embodiment, the method also includes:
When other nodes confirmation recorded in the schedule of dealing and the block chain that data are ideal money is described new
When block, address with the specific user of the branch node based on pre-write in the new block is the friendship for receiving address
Easy inventory obtains ideal money for the specific user.
In one embodiment, the method also includes:
It is authenticated with the specific user, determines that the specific user provides for orientation based on block when certification passes through
The user of the service of chain, and establish with the specific user for providing the encrypted tunnel of the service based on block chain.
In conclusion the embodiment of the present invention has the advantages that
The branch node that one or more nodes of block chain are used as passes through user of the branch node into service range
(specific application) provides the service based on block chain, the new block including submitting record data and confirmation creation, so that block
The efficiency that chain service can be realized in user side, shows:
1) for being submitted for record data into block chain network, user only needs to submit record data and receives note
The submission of data is recorded as a result, remaining processing has branch node to interact realization with other nodes, user does not both need memory block
Chain does not need to carry out other calculating yet, realizes the effect for saving memory space and computing resource.
2) in block chain create new block for, user to need initiate creation new block request, it is subsequent not
It needs to carry out network communication (until receive confirmation result) again, the new block of creation is confirmed offline to realize
Technical effect reduces the frequent network operation of user side, saves the flow and computing resource of user, guarantees user's lateral terminal
Duration performance.
3) branch node and the specific user of the provided block chain service of branch node authenticate, and after certification passes through
Block chain business is carried out using encrypted tunnel, ensure that data safety.
4) the record data submitted for specific user, branch node with specific user due to being authenticated, i.e.,
Think that specific user is always believable, therefore the record number of specific user's submission can be write direct in the block chain of maintenance
According to, in block chain network other nodes confirmation record data when be understood that specific user return confirmation result (without
In block chain etc. branch node to be written), further improve the efficiency that transaction is confirmed for specific user.
It will be appreciated by those skilled in the art that: realize that all or part of the steps of above method embodiment can pass through journey
Sequence instructs relevant hardware to complete, and program above-mentioned can be stored in a computer readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: mobile storage communications status processing
Device, random access memory (RAM, Random Access Memory), read-only memory (ROM, Read-Only
Memory), the various media that can store program code such as magnetic or disk.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the present invention is implemented
The technical solution of example substantially in other words can be embodied in the form of software products the part that the relevant technologies contribute,
The computer software product is stored in a storage medium, including some instructions are used so that at a computer communications status
It manages device (can be personal computer, server or network communication status processing unit etc.) and executes each implementation of the present invention
The all or part of example the method.And storage medium above-mentioned include: mobile storage communications status processing unit, RAM, ROM,
The various media that can store program code such as magnetic or disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (15)
1. a kind of block chain network characterized by comprising
Multiple nodes for storing the block including recording data respectively, and link the block and form block chain；
Include at least one branch node in the multiple node, establishes encrypted tunnel for negotiating with specific user；
The branch node is also used to receive the record data that the specific user is submitted by the encrypted tunnel, will be described
Record data are sent to other nodes that the branch node is removed in the block chain network, are directed to the note according to other nodes
The quantity for recording effective confirmation result that data return, is submitted by the encrypted tunnel to specific user's return recording data
As a result；
The branch node is also used to receive the request for the creation new block that the specific user is sent by encrypted tunnel, will
The new block is sent to other nodes in the block chain network, according to the result of new block described in other node verifications to institute
State the result that specific user returns to creation new block.
2. block chain network as described in claim 1, which is characterized in that
The branch node is also used to as the record data Shi Xiangqi for receiving the digital signature for carrying the specific user
He sends the record data by node, when the record data that other node verifications of predetermined quantity are successful, store the submission, simultaneously
When returning to effectively confirmation result, Xiang Suoshu specific user returns to the record data submitted and is confirmed.
3. block chain network as described in claim 1, which is characterized in that
The branch node is also used to the digital signature for the specific user that the record data based on the submission carry, tests
The integrality and source for demonstrate,proving the record data are the specific user, in the area of the branch node maintenance when being verified
The record data of the submission are written in block chain.
4. block chain network as described in claim 1, which is characterized in that
The branch node is also used to the record data newly obtained from the block chain network being sent to the specific use
The random number for meeting predetermined condition is calculated for the specific user in family, the record data；In the block of the new block
Fill the calculated random number in head, and the record data based on the block head and the new acquisition formed it is described new
Block.
5. block chain network as claimed in claim 4, which is characterized in that
The branch node is also used to meet the predetermined condition and the block chain in corresponding maintenance when other node verifications
When the middle write-in new block, Xiang Suoshu specific user returns to creation new block success.
6. block chain network as described in claim 1, which is characterized in that
The branch node is also used to record described in the schedule of dealing and the confirmation of other nodes that data are ideal money described
When new block, the schedule of dealing based on pre-write in the new block is that the specific user obtains ideal money, described to prewrite
The schedule of dealing entered is using the address of the specific user as the reception address of ideal money.
7. block chain network as described in claim 1, which is characterized in that
The branch node is also used to authenticate with the specific user, determines that the specific user is when certification passes through
Orientation provides the user of the service based on block chain, and establishes with the specific user for providing the service based on block chain
Encrypted tunnel.
8. a kind of branch node characterized by comprising
Storage unit includes recording the block of data, and link institute for storing respectively with multiple nodes in block chain network
It states block and forms block chain；
Authenticated encryption unit establishes encrypted tunnel for negotiating with specific user；
Record data cell, the record data submitted for receiving the specific user by the encrypted tunnel, by the note
Record data are sent to other nodes in the block chain network, according to other nodes for the effective of the record data return
The quantity for confirming result submits result to specific user's return recording data by the encrypted tunnel；
New district module unit will for receiving the request for the creation new block that the specific user is sent by the encrypted tunnel
The new block is sent to other nodes in the block chain network, according to new block described in other node verifications as a result, logical
Cross the result that the encrypted tunnel returns to creation new block to the specific user.
9. a kind of block chain network application method, which is characterized in that
There is at least one branch node in multiple nodes of block chain network；
Include:
Negotiate to establish encrypted tunnel with specific user；
When receiving the record data that the specific user is submitted by the encrypted tunnel, the record data are sent to institute
Other nodes that the branch node is removed in block chain network are stated, according to other nodes for the effective of the record data return
The quantity for confirming result submits result to specific user's return recording data by the encrypted tunnel；
When receiving the request for the creation new block that the specific user is sent by the encrypted tunnel, the new block is sent out
It is sent to other nodes in the block chain network to be confirmed, according to new block described in other node verifications as a result, passing through institute
State the result that encrypted tunnel returns to creation new block to the specific user.
10. block chain network application method as claimed in claim 9, which is characterized in that described to send the record data
To other nodes for removing the branch node in the block chain network, returned according to other nodes for the record data
The effectively quantity of confirmation result submits result to specific user's return recording data by the encrypted tunnel, comprising:
When receiving the record data for carrying specific user's digital signature by the encrypted tunnel, to other nodes
The record data are sent, when other node verifications of predetermined quantity are successful, store the record data of the submission and return has
When effect confirmation result, the record data submitted are returned to the specific user by the encrypted tunnel and are confirmed.
11. block chain network application method as claimed in claim 9, which is characterized in that further include:
The digital signature for the specific user that record data based on the submission carry verifies the complete of the record data
Property and source be the specific user, when being verified the branch node maintenance block chain in the submission is written
Record data.
12. block chain network application method as claimed in claim 9, which is characterized in that further include:
The record data newly obtained from the block chain network are sent to the specific user, described in the record data supply
The random number for meeting predetermined condition is calculated in specific user；Filled in the block head of the new block it is described it is calculated with
Machine number, and the record data based on the block head and the new acquisition form the new block.
13. block chain network application method as claimed in claim 12, which is characterized in that described according to other node verification institutes
The result for stating new block returns to the result of creation new block to the specific user, comprising:
The random number described in other node verifications meets the predetermined condition and in the block chain of corresponding maintenance described in write-in
When new block, Xiang Suoshu specific user returns to creation new block success.
14. block chain network application method as claimed in claim 9, which is characterized in that further include:
When other nodes confirmation new block recorded in the schedule of dealing and the block chain that data are ideal money
When, the schedule of dealing based on pre-write in the new block is that the specific user obtains ideal money, the friendship of the pre-write
Easy inventory is using the address of the specific user as the reception address of ideal money.
15. block chain network application method as claimed in claim 9, which is characterized in that described to negotiate to establish with specific user
Encrypted tunnel, comprising:
It is authenticated with the specific user, determines that the specific user provides for orientation based on block chain when certification passes through
The user of service, and establish with the specific user for providing the encrypted tunnel of the service based on block chain.
Priority Applications (2)
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| CN201610872194.3A CN106452785B (en) | 2016-09-29 | 2016-09-29 | Block chain network, branch node and block chain network application method |
| PCT/CN2017/103038 WO2018059334A1 (en) | 2016-09-29 | 2017-09-22 | Blockchain network, branch node, blockchain network application method and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872194.3A CN106452785B (en) | 2016-09-29 | 2016-09-29 | Block chain network, branch node and block chain network application method |
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| CN106452785B true CN106452785B (en) | 2019-05-17 |
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| WO (1) | WO2018059334A1 (en) |
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| CN106452785A (en) | 2017-02-22 |
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