CN109859047A - A kind of block chain update method and block chain more new system - Google Patents
A kind of block chain update method and block chain more new system Download PDFInfo
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- CN109859047A CN109859047A CN201910099634.XA CN201910099634A CN109859047A CN 109859047 A CN109859047 A CN 109859047A CN 201910099634 A CN201910099634 A CN 201910099634A CN 109859047 A CN109859047 A CN 109859047A
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Abstract
The present invention relates to a kind of block chain update methods and block chain more new system, this method comprises: host node receives the transaction request data that user terminal is sent, and in the case where verifying the corresponding effective situation of transaction of the transaction request data, the transaction is packaged into new block by preset order；New block described in block chain network node broadcasts of the host node to participation common recognition；The block chain network node for participating in common recognition carries out PBFT common recognition to the new block；The block chain network node of book keeping operation is participated in result of the block chain network node for receiving preset threshold participation book keeping operation to the new block Signature Confirmation, the block chain network node of participation book keeping operation has deposited new block write-in in block chain, generates new block chain.The present invention has the PBFT common recognition strategy after optimization, and process is simple, block chain common recognition efficiency is able to ascend, to improve trade confirmation and block packaging efficiency, so that block chain renewal process is high-efficient.
Description
Technical field
The present invention relates to block chain technical field more particularly to a kind of block chain update methods and block chain more new system.
Background technique
Block chain is a kind of distributed account book technology, also can be regarded as a kind of data knot of storing data in chronological order
Structure.
Core technology of the common recognition mechanism as block chain, refers to the ballot by special joint in block chain network, very
The verifying and confirmation of complete swap in short time；To a transaction, if several incoherent nodes of interests can be reached
Common recognition, so that it may think that the whole network can also reach common understanding to this.
The purpose of common recognition mechanism is that all honest nodes is made to save consistent block chain view, needs to meet two individual characteies simultaneously
Matter:
1) consistency.The prefix part for the block chain that all honesty nodes save is identical.
2) validity.By the information of certain honest node publication at last by other all honest nodes records in oneself block
In.
Currently, existing, based on PBFT, (Practical Byzantine Falut Tolerance, practical Byzantium hold
Miscount method) block platform chain, the generation of block and the update of block chain are completed basically by three phases submission:
First stage: PBFT algorithm is utilized, is known together to the transaction for submitting to platform, the friendship for common recognition of reaching an agreement
Easily, it is put into transaction queue after orderly common recognition confirms；
Second stage: block hitting node from transaction queue, transaction is bundled in block in sequence after common recognition, then
The block accomplished fluently is broadcast to all accounting nodes, after accounting nodes receive the block, after the transaction being packaged in verifying block is effective,
Return to Signature Confirmation；
Phase III: after block hitting node receives the Signature Confirmation to the block of accounting nodes more than half, signature is tied
Fruit is broadcast to all accounting nodes, and accounting nodes are write the block in the chain of oneself.
To sum up, existing block chain renewal process is complicated, low efficiency.
Therefore it provides a kind of block chain update method and block chain more new system.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
The block chain update method and block chain more new system for stating problem solve existing block chain renewal process complexity, low efficiency
Problem.
According to an aspect of the present invention, a kind of block chain update method is provided, comprising the following steps:
Host node in block chain network node receives the transaction request data that user terminal is sent, and is verifying the transaction
In the corresponding effective situation of transaction of request data, the transaction is packaged into new block by preset order by the host node；
New block described in block chain network node broadcasts of the host node to participation common recognition；
The block chain network node for participating in common recognition carries out PBFT common recognition to the new block, and in the confirmation rank of PBFT common recognition
Whether section sends the block chain network node for participating in book keeping operation to the new block Signature Confirmation to all block chain network nodes
As a result；
The block chain network node of book keeping operation is participated in the block chain network node pair for receiving preset threshold participation book keeping operation
When the result of the new block Signature Confirmation, new block write-in has been deposited block by the block chain network node of participation book keeping operation
In chain, new block chain is generated.
Further, block chain update method, the block chain network node for participating in book keeping operation have deposited new block write-in
Before in block chain, further includes:
Participate in book keeping operation block chain network node will deposit in block chain newest block height and the new block height into
Row comparison；
If having deposited newest block height in block chain is greater than the new block height, the block chain network of participation book keeping operation
Block chain has been deposited in node synchronization from the block chain network node that other participate in book keeping operation.
Further, block chain update method, the block chain network node for participating in book keeping operation will have been deposited in block chain most
After new block height and new block height compare, further includes:
If having deposited newest block height in block chain is less than the new block height, the block chain network of participation book keeping operation
Node abandons the new block, and the new block is synchronized in block chain network.
Further, block chain update method, the block chain network node for participating in common recognition carry out the new block
When PBFT knows together, further includes:
When participating in the block chain network nodal test of book keeping operation has invalid transaction into the new block, initiate to choose master again
The request of node.
Further, block chain update method, the block chain network nodal test for participating in book keeping operation have into the new block
When invalid transaction, initiation is chosen again after the request of host node, further includes:
If host node is Byzantium's node, the request is responded, chooses host node again.
Further, block chain update method, the block chain network nodal test for participating in book keeping operation have into the new block
When invalid transaction, initiation is chosen again after the request of host node, further includes:
If the block chain network node of participation book keeping operation is Byzantium's node, ignores the request, abandon choosing again
Host node.
According to another aspect of the present invention, a kind of block chain more new system is provided, comprising:
Host node in block chain network node, for receiving the transaction request data of user terminal transmission, and in verifying institute
It states in the corresponding effective situation of transaction of transaction request data, the transaction is packaged into new district by preset order by the host node
Block；To new block described in the block chain network node broadcasts for participating in common recognition；
The block chain network node for participating in common recognition, for carrying out PBFT common recognition to the new block, and in PBFT common recognition
Whether confirmation stage sends the block chain network node for participating in book keeping operation to all block chain network nodes to new block signature
The result of confirmation；
The block chain network node for participating in book keeping operation, in the block chain network section for receiving preset threshold participation book keeping operation
When putting the result to the new block Signature Confirmation, new block write-in is deposited in block chain, new block chain is generated.
Further, the block chain network node for participating in book keeping operation is also used to new block write-in depositing block chain
In before will deposit newest block height and the new block height in block chain and compared；
If having deposited newest block height in block chain is greater than the new block height, the block chain network of participation book keeping operation
Block chain has been deposited in node synchronization from the block chain network node that other participate in book keeping operation.
Further, the block chain network node for participating in book keeping operation, is also used to the newest block height in it will deposit block chain
After being compared with the new block height, if having deposited newest block height in block chain is less than the new block height,
The new block is abandoned, and synchronizes the new block in block chain network.
Further, the block chain network node for participating in book keeping operation is also used to when carrying out PBFT common recognition to the new block,
Detect that the request of host node is chosen in initiation again when having invalid transaction in the new block.
The present invention has the advantage that compared with prior art
1. block chain update method and block chain more new system of the invention has the PBFT common recognition strategy after optimization, process
Simply, it is able to ascend block chain common recognition efficiency, to improve trade confirmation and block packaging efficiency, so that block chain renewal process is imitated
Rate is high；
2. block chain update method and block chain more new system of the invention has the PBFT common recognition strategy after optimization, so that
Block chain renewal process is more smooth.
Detailed description of the invention
Below in conjunction with drawings and examples, the invention will be further described.
Fig. 1 is block chain update method block diagram of the invention；
Fig. 2 is that block chain of the invention updates system block diagram.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless otherwise will not be explained in an idealized or overly formal meaning by specific definitions.
Fig. 1 is block chain update method block diagram of the invention, referring to Fig. 1, block chain update method provided by the invention,
The following steps are included:
S101, the host node in block chain network node receive the transaction request data that user terminal is sent, and in verifying institute
It states in the corresponding effective situation of transaction of transaction request data, the transaction is packaged into new district by preset order by the host node
Block, wherein preset order indicates the sequencing of transaction.
Specifically, the transaction request that each block chain network node sends client is broadcasted to the whole network, and host node is first
Verifying is collected into the multiple transaction needed to be placed in new block from block chain network, after being verified, by multiple transaction by default
Sequence is packaged into new block after sorting.
In addition, host node is chosen from block chain network node, wherein block chain network node includes host node, participates in
The block chain network node (i.e. common recognition node) of common recognition, the block chain network node for participating in common recognition includes the block for being not involved in book keeping operation
Chain network node and the block chain network node (i.e. accounting nodes) for participating in book keeping operation.It specifically, can be from block chain network node
It randomly selects a host node, and if current primary node is done evil, such as is numbered with identical serial number to different requests, or
It does not remove Allotment Serial Number or makes adjacent serial number discontinuous, other block chain network nodes, i.e. backup node actively checks these
The legitimacy of serial number.Timeout mechanism, time-out is arranged in the request of not broadcast client if host node goes offline or does evil, client
If, Xiang Suoyou replica node broadcast request message, replica node detects that host node is done evil or offline, initiates more change owner section
The agreement of point.
S102, the host node to participate in common recognition block chain network node broadcasts described in new block, wherein participate in common recognition
Block chain network node include common recognition node and accounting nodes.
S103, the block chain network node for participating in common recognition carry out PBFT (Practical Byzantine to the new block
Fault Tolerance, practical Byzantine failure tolerance algorithm) common recognition, and in the confirmation stage of PBFT common recognition to all block link networks
Whether network node sends the block chain network node for participating in book keeping operation to the result of the new block Signature Confirmation.
Specifically, after each block chain network node for participating in common recognition receives new block, after sorting in new block
Multiple transaction simulations execute these transaction, after All Activity has executed, based on transaction results calculate new block Hash digest,
And broadcasted to the whole network and assume that the number of block chain network node is 3f+1, participate in the 2f (f that the block chain network node of book keeping operation receives
For tolerable Byzantium's number of nodes) abstract sent of a other nodes is all equal with oneself, just a signature is broadcasted to the whole network
Confirmation message.
S104 participates in the block chain network node of book keeping operation in the block chain network section for receiving preset threshold participation book keeping operation
When putting the result to the new block Signature Confirmation, the block chain network node of participation book keeping operation has deposited new block write-in
In block chain, new block chain is generated.
Specifically, when host node receives 2f+1 Signature Confirmation message, will to participate in book keeping operation block chain network node
Broadcast new block and its transaction, the block chain network node for participating in book keeping operation submit new block and its transaction to local block chain and
Slip condition database.
Block chain update method of the invention has the PBFT common recognition strategy after optimization, and process is simple, is able to ascend block
Chain common recognition efficiency, to improve trade confirmation and block packaging efficiency, so that block chain renewal process is high-efficient.
Further, block chain update method, the block chain network node for participating in book keeping operation have deposited new block write-in
Before in block chain, further includes:
Participate in book keeping operation block chain network node will deposit in block chain newest block height and the new block height into
Row comparison, wherein block height indicates number of the block in block chain；
If having deposited newest block height in block chain is greater than the new block height, the block chain network of participation book keeping operation
Block chain has been deposited in node synchronization from the block chain network node that other participate in book keeping operation；If having deposited newest block height in block chain
Less than the new block height, then the block chain network node of participation book keeping operation abandons the new block, and in block chain network
In synchronize the new block.
Theoretically, it has deposited in block chain newest block height and has been equal to new block height, when having deposited newest block in block chain
When height is more than or less than new block height, indicate that accounting nodes exception occur or do evil.Specifically, when having deposited in block chain
It when newest block height is greater than new block height, illustrates that bifurcated occurs in block chain, abandons current block transaction, it is same to carry out the whole network
Block is walked, after the completion of waiting the synchronous block of the whole networks, system is further continued for work；It is less than new district when having deposited newest block height in block chain
When block height, illustrate that the accounting nodes are lost new block data, then the node should be from the synchronous new block letter of other nodes
After breath, then new block is added in chained list.
Further, block chain update method, the block chain network node for participating in common recognition carry out the new block
When PBFT knows together, further includes:
When participating in the block chain network nodal test of book keeping operation has invalid transaction into the new block, initiate to choose master again
The request of node.
Further, block chain update method, the block chain network nodal test for participating in book keeping operation have into the new block
When invalid transaction, initiation is chosen again after the request of host node, further includes:
If host node is Byzantium's node, the request is responded, chooses host node again；If the block of participation book keeping operation
Chain network node is Byzantium's node, then ignores the request, abandon choosing host node again.
Block chain update method of the invention has the PBFT common recognition strategy after optimization, so that block chain renewal process more flows
Freely.
Fig. 2 is block chain update system block diagram of the invention, as shown in Fig. 2, block chain more new system provided by the invention,
Include:
Host node 201 in block chain network node for receiving the transaction request data of user terminal transmission, and is being verified
The transaction request data are corresponding to trade in effective situation, and the transaction is packaged into new by the host node by preset order
Block；To new block described in the block chain network node broadcasts for participating in common recognition；
The block chain network node 202 for participating in common recognition for carrying out PBFT common recognition to the new block, and is known together in PBFT
Confirmation stage to all block chain network nodes send participate in book keeping operation block chain network node whether to the new block label
The result of name confirmation；
The block chain network node 203 for participating in book keeping operation, in the block link network for receiving preset threshold participation book keeping operation
When network node is to the result of the new block Signature Confirmation, new block write-in is deposited in block chain, new block chain is generated.
Wherein, the block chain network node (i.e. common recognition node) 202 for participating in common recognition, participates in the block chain network node of common recognition
Including being not involved in the block chain network node 2021 of book keeping operation and participating in the block chain network node (i.e. accounting nodes) 203 of book keeping operation.
Block chain more new system of the invention has the PBFT common recognition strategy after optimization, and process is simple, is able to ascend block
Chain common recognition efficiency, to improve trade confirmation and block packaging efficiency, so that block chain renewal process is high-efficient.
Further, the block chain network node for participating in book keeping operation is also used to new block write-in depositing block chain
In before will deposit newest block height and the new block height in block chain and compared；If having deposited the new district block Lian Zhong
Block height is greater than the new block height, then the block chain network node of participation book keeping operation participates in the block link network of book keeping operation from other
Block chain has been deposited in synchronization in network node.
Further, the block chain network node for participating in book keeping operation, is also used to the newest block height in it will deposit block chain
After being compared with the new block height, if having deposited newest block height in block chain is less than the new block height,
The new block is abandoned, and synchronizes the new block in block chain network.
Further, the block chain network node for participating in book keeping operation is also used to when carrying out PBFT common recognition to the new block,
Detect that the request of host node is chosen in initiation again when having invalid transaction in the new block, if host node is Byzantium's node,
The request is then responded, chooses host node again；If the block chain network node of participation book keeping operation is Byzantium's node, ignore
The request is abandoned choosing host node again.
Block chain more new system of the invention has the PBFT common recognition strategy after optimization, so that block chain renewal process more flows
Freely.
For system embodiments, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
One embodiment of the invention additionally provides a kind of block chain more new system, including processor, memory, is stored in storage
On device and the computer program that can run on the processor, following step is realized when which is executed by processor
It is rapid:
Host node in block chain network node receives the transaction request data that user terminal is sent, and is verifying the transaction
In the corresponding effective situation of transaction of request data, the transaction is packaged into new block by preset order by the host node；
New block described in block chain network node broadcasts of the host node to participation common recognition；
The block chain network node for participating in common recognition carries out PBFT common recognition to the new block, and in the confirmation rank of PBFT common recognition
Whether section sends the block chain network node for participating in book keeping operation to the new block Signature Confirmation to all block chain network nodes
As a result；
The block chain network node of book keeping operation is participated in the block chain network node pair for receiving preset threshold participation book keeping operation
When the result of the new block Signature Confirmation, new block write-in has been deposited block by the block chain network node of participation book keeping operation
In chain, new block chain is generated.
Optionally, following steps are also realized when which is executed by processor: participating in the block chain network of book keeping operation
Before node has deposited new block write-in in block chain, the block chain network node for participating in book keeping operation will have been deposited in block chain most
New block height and new block height compare；
If having deposited newest block height in block chain is greater than the new block height, the block chain network of participation book keeping operation
Block chain has been deposited in node synchronization from the block chain network node that other participate in book keeping operation.
Optionally, following steps are also realized when which is executed by processor: the block chain for participating in book keeping operation
Network node has been deposited after newest block height and the new block height compare in block chain, if having deposited in block chain
Newest block height is less than the new block height, then the block chain network node of participation book keeping operation abandons the new block, and
The new block is synchronized in block chain network.
Optionally, following steps are also realized when which is executed by processor: the block chain for participating in common recognition
When network node carries out PBFT common recognition to the new block, the block chain network nodal test of book keeping operation is participated in into the new block
When having invalid transaction, the request for choosing host node again is initiated.
Optionally, following steps are also realized when which is executed by processor: participating in the block chain network of book keeping operation
When nodal test has invalid transaction into the new block, initiate after choosing the request of host node again, if host node is to visit
Front yard node is accounted for, then responds the request, chooses host node again.
Optionally, following steps are also realized when which is executed by processor:
When participating in the block chain network nodal test of book keeping operation has invalid transaction into the new block, initiate to choose master again
After the request of node,
If the block chain network node of participation book keeping operation is Byzantium's node, ignores the request, abandon choosing again
Host node.
One embodiment of the invention provides a kind of computer readable storage medium, is stored thereon with computer program, above-mentioned
Each process of above-mentioned block chain update method embodiment is realized when computer program is executed by processor, and can be reached identical
Technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only memory
(Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disk
Or CD etc..
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of block chain update method, which comprises the following steps:
Host node in block chain network node receives the transaction request data that user terminal is sent, and is verifying the transaction request
In the corresponding effective situation of transaction of data, the transaction is packaged into new block by preset order by the host node；
New block described in block chain network node broadcasts of the host node to participation common recognition；
Participate in common recognition block chain network node to the new block carry out PBFT common recognition, and PBFT common recognition confirmation stage to
Whether all block chain network nodes send the block chain network node for participating in book keeping operation to the result of the new block Signature Confirmation；
The block chain network node for participating in book keeping operation is receiving the block chain network node of preset threshold participation book keeping operation to described
When the result of new block Signature Confirmation, new block write-in has been deposited block chain by the block chain network node of participation book keeping operation
In, generate new block chain.
2. block chain update method according to claim 1, which is characterized in that the block chain network node for participating in book keeping operation will
Before the new block write-in has been deposited in block chain, further includes:
The block chain network node for participating in book keeping operation will have been deposited newest block height and the new block height in block chain and carried out pair
Than；
If having deposited newest block height in block chain is greater than the new block height, the block chain network node of participation book keeping operation
Block chain has been deposited in synchronization in the block chain network node for participating in book keeping operation from other.
3. block chain update method according to claim 2, which is characterized in that the block chain network section for participating in book keeping operation
Point will have been deposited after newest block height and the new block height compare in block chain, further includes:
If having deposited newest block height in block chain is less than the new block height, the block chain network node of participation book keeping operation
The new block is abandoned, and synchronizes the new block in block chain network.
4. block chain update method according to claim 1, which is characterized in that the block chain network section for participating in common recognition
When point carries out PBFT common recognition to the new block, further includes:
When participating in the block chain network nodal test of book keeping operation has invalid transaction into the new block, host node is chosen in initiation again
Request.
5. block chain update method according to claim 4, which is characterized in that participate in the block chain network node inspection of book keeping operation
It measures when having invalid transaction in the new block, after initiating to choose the request of host node again, further includes:
If host node is Byzantium's node, the request is responded, chooses host node again.
6. block chain update method according to claim 4, which is characterized in that participate in the block chain network node inspection of book keeping operation
It measures when having invalid transaction in the new block, after initiating to choose the request of host node again, further includes:
If the block chain network node of participation book keeping operation is Byzantium's node, ignores the request, abandon choosing main section again
Point.
7. a kind of block chain more new system characterized by comprising
Host node in block chain network node for receiving the transaction request data of user terminal transmission, and is verifying the friendship
Easy request data is corresponding to trade in effective situation, and the transaction is packaged into new block by preset order by the host node；
To new block described in the block chain network node broadcasts for participating in common recognition；
The block chain network node for participating in common recognition, for carrying out PBFT common recognition to the new block, and in the confirmation of PBFT common recognition
Whether stage sends the block chain network node for participating in book keeping operation to the new block Signature Confirmation to all block chain network nodes
Result；
The block chain network node for participating in book keeping operation, in the block chain network node pair for receiving preset threshold participation book keeping operation
When the result of the new block Signature Confirmation, new block write-in is deposited in block chain, new block chain is generated.
8. block chain more new system according to claim 7, which is characterized in that the block chain network node of book keeping operation is participated in,
It is also used to that newest block height and the new district in block chain will have been deposited before having deposited new block write-in in block chain
Block height compares；
If having deposited newest block height in block chain is greater than the new block height, the block chain network node of participation book keeping operation
Block chain has been deposited in synchronization in the block chain network node for participating in book keeping operation from other.
9. block chain more new system according to claim 8, which is characterized in that the block chain network node of book keeping operation is participated in,
It is also used to after newest block height and the new block height compare in it will deposit block chain, if having deposited in block chain
Newest block height is less than the new block height, then abandons the new block, and the new district is synchronized in block chain network
Block.
10. block chain more new system according to claim 9, which is characterized in that the block chain network node of book keeping operation is participated in,
It is also used to when carrying out PBFT common recognition to the new block, detects that initiation is selected again when having invalid transaction in the new block
Take the request of host node.
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