CN109993004A - Block chain autonomy method and system based on credit mechanism - Google Patents
Block chain autonomy method and system based on credit mechanism Download PDFInfo
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Abstract
The block chain autonomy method and system based on credit mechanism that the invention discloses a kind of, this method comprises: the health certificate information for competing node in block chain and honest proof information are obtained, to calculate its credit information；When credit information is greater than the first credit threshold, corresponding competition node is set to verify node；According to the credit information of all verifying nodes, the rewards and punishments ratio of each verifying node is determined；Transaction record is sent to each verifying node, to be verified to transaction record and generate verification information；According to the verification information and credit information of verifying node, judge whether the verification information of each verifying node is correct；If so, increasing the honest of correct verification node according to corresponding rewards and punishments ratio proves information and reward token quantity；Otherwise, reducing the honest of errors validity node according to corresponding rewards and punishments ratio proves information, to complete autonomy.Method and system of the invention can effectively save computing resource, decentralization, avoid combining there is a phenomenon where node and do evil.
Description
Technical field
The present invention relates to technical field of data processing in block chain more particularly to a kind of block chains based on credit mechanism certainly
Control method and system.
Background technique
Block chain is the novel of the computer technologies such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm
Application model is a kind of data-storage system for participating in maintenance jointly by distributed node.Node in block chain is according to default
Rule affairs transaction request is processed into block (encryption data), and block is overlapped to form linked data structure, and
By common recognition mechanism to transmit and synchrodata, to ensure the consistency of each node data, can not modify and delete.
Block chain autonomous mechanism refers to the method for operation and plan for the decentralization autonomy organization system established on block chain
The slightly rules such as arrangement.Its autonomous rule is realized by computer code, its automatic running is ensured by block chain agreement, according to set
Condition automatic trigger is realized.Each node can become the participant of tissue by way of providing service, due to block
Can be issued on chain can high speed circulation token, thus general block chain autonomous mechanism is by providing the node phase correctly serviced
It should reward, and node conflicts if it exists, deceptive information and malicious act can be disposed by corresponding punitive measures.Thus, pass through area
The tissue of autonomous operation in the case that block chain autonomous mechanism can be realized a unmanned intervention and manage, which greatly improves areas
The operational paradigm of block chain.The block chain of autonomous mechanism is run just as a full automatic robot, when its whole program setting
After the completion, it will start operation according to set rule, and most of rule is open and clear, such as the upper limit of the number, competing
Strive common recognition mode and the rule etc. of book keeping operation.
In traditional block chain network, autonomous mechanism is all by the token of the upper limit of the number and based on different common recognitions
Mechanism is realized.Common common recognition mechanism has proof of work mechanism (POW), equity to prove mechanism (POS), act on behalf of equity proof machine
Make (DPOS) or practical Byzantine failure tolerance mechanism (PBFT).However, all Shortcomings of these common recognition mechanism.On the one hand, due to
The random number that POW interior joint calculates a satisfaction rule by enumerating the hash operation of formula generates power, meeting to fight for block
A large amount of computing resource is expended, so that the autonomous method of existing block chain interior joint, which exists, expends computing resource, common recognition efficiency
Low problem.On the other hand, because token quantity and coin age that POS possesses according to each node reduce the meter of node come equal proportion
Difficulty is calculated, to improve the speed for calculating random number, is easy to generate centralization node；DPOS passes through node ballots whole in system
The node for electing preset quantity comes proxy authentication and book keeping operation, but it still relies on token, therefore still exists and be easy to generate center
The problem of changing node.Further, since PBFT is a kind of consistency algorithm based on message transmission, reach one by three phases
Cause property, the correctness of verifying is determined with the verification result of 2/3 node, the time expended by message transmission and statistical testing of business cycles result
It is longer, thus it is long the time required to node is reached common understanding.Furthermore the block chain using these common recognition mechanism is by the way that node generation is arranged
Coin reward mechanism promotes node to handle automatically transaction data, smaller to the restraining force of Site autonomy process, so that area
Node in block chain, which is easy to combine, does evil.
Thus, in existing block chain Site autonomy method, there is consuming computing resource, node is easy to centralization and easy
Node occurs and combines the problem of doing evil phenomenon.
Summary of the invention
In view of the above-mentioned problems, the block chain autonomy method and system of the invention based on credit mechanism, can effectively save
Computing resource improves common recognition efficiency, decentralization and avoids combining there is a phenomenon where node and does evil.
In order to solve the above technical problems, the block chain autonomy method of the invention based on credit mechanism, includes the following steps:
When current authentication starts, the health certificate information that node is competed in block chain and honest proof information are obtained；Institute
State the node that competition node is used to indicate competition verifying power in block chain；
According to health certificate information, honest proof information and the weight information of each competition node, each institute is calculated
State the credit information of competition node；
When the credit information is greater than the first credit threshold, corresponding competition node is set to verify node；
According to the credit information of all verifying nodes, the rewards and punishments ratio of each verifying node is determined；
Transaction record is sent to each verifying node, so that each verifying node carries out the transaction record
It verifies and generates verification information；
According to the verification information and credit information of the verifying node, judge that the verification information of each verifying node is
It is no correct；
If so, according to corresponding rewards and punishments ratio increase correct verification node in the verifying node it is honest prove information and
Reward token quantity；
Otherwise, reducing the honest of errors validity node in the verifying node according to corresponding rewards and punishments ratio proves information,
To complete autonomy.
As an improvement of the above scheme, the verifying node includes main verifying node and time verifying node；The main verifying
The rewards and punishments ratio of node is higher than the rewards and punishments ratio of described verifying node；
In the case where the credit information is greater than credit threshold, corresponding competition node is set as verifying node, including
Following steps:
The credit information is ranked up according to descending；Wherein, M is integer, and 1≤M；
It is the main verifying node that verifying node sets corresponding to R credit informations, which will be arranged in front,；
It is described verifying node that verifying node sets corresponding to rear M-R credit information, which will be arranged in,；Wherein, described
R is integer, and 1≤R≤M.
As an improvement of the above scheme, the verification information that the verifying node generates includes correct mark and error identification；
According to the verification information and credit information of the verifying node, judge that the verification information of each verifying node is
It is no correct, include the following steps:
The correct verification probability is calculated according to the credit information for correctly identifying corresponding verifying node；
The errors validity probability is calculated according to the credit information of the corresponding verifying node of the error identification；
In the case where the correct verification probability is greater than the errors validity probability, the corresponding section of the correct mark is determined
The verification information of point is correct verification；
In the case where the errors validity probability is greater than the correct verification probability, the corresponding section of the error identification is determined
The verification information of point is correct verification.
As an improvement of the above scheme, the health certificate information includes the time-to-live information and its operation of verifying node
The machine performance information of machine；The honest proof information is used to indicate verifying node and completes the honest card obtained after verifying every time
Bright numerical value；The weight information includes that weight and honest proof information of the health certificate information in credit information are believed in credit
Weight in breath；
According to health certificate information, honest proof information and the weight information of each competition node, each institute is calculated
The credit information for stating competition node, includes the following steps:
The credit information NC of each competition node is calculated by following formula:
Wherein, x is the weight of health certificate information in credit information, and y is the honest weight for proving information in credit information；
MP is the machine performance information for verifying node, and ET is the time-to-live information for verifying node, and a is machine in health certificate information
The weight of energy information, b are the weight of time-to-live information in health certificate information；TiThe honest proof obtained for i-th verifying
Numerical value, i is integer, and i >=1, n are the number that verifying is completed.
As an improvement of the above scheme, according to the credit information of all verifying nodes, each verifying section is determined
The rewards and punishments ratio of point, includes the following steps:
The rewards and punishments ratio n of each verifying node is calculated by following formulai:
Wherein, niThe rewards and punishments ratio of node, f are verified for i-thiFor the credit letter of i-th of verifying node in verifying node
Breath, N are the number for verifying node.
As an improvement of the above scheme, the block chain autonomy method, further includes following steps:
When receiving the report command that any verifying node is sent, increase the honest permit of corresponding verifying node
Breath；
Further include following steps before current authentication starts:
Transaction request to be verified is initiated by the node on block chain to obtain the credit information of node；
In the case where the credit information of the node is less than or equal to the second credit threshold, corresponding node sets are washed in a pan
Mark is eliminated, to eliminate its qualification for competing node；Second credit threshold is less than first credit threshold.
In order to solve the above technical problems, the present invention also provides a kind of block chain autonomous system based on credit mechanism, comprising:
Data obtaining module, for when current authentication starts, obtaining the health certificate information for competing node in block chain
Information is proved with honesty；The competition node is used to indicate the node of competition verifying power in block chain；
Credit information computing module, for health certificate information, the honest proof information according to each competition node
And weight information, calculate the credit information of each competition node；
Node sets module is verified, in the case where the credit information is greater than the first credit threshold, setting to be corresponded to
Competition node be verifying node；
Rewards and punishments ratio-dependent module determines each verifying for the credit information according to all verifying nodes
The rewards and punishments ratio of node；
Transaction record sending module, for sending transaction record to the verifying node, so that each verifying node
The transaction record is verified and generates verification information；
Verification result judgment module judges each institute for the verification information and credit information according to the verifying node
State verifying whether correctly for verifying node；
Credit information adjustment module, for determine it is described verifying node verification result be it is correct when, according to corresponding
Rewards and punishments ratio, which increases the honest of correct verification node in the verifying node, proves information and reward token quantity；And it is used for
When determining the verification result of the verifying node for mistake, reduce errors validity in the verifying node according to the rewards and punishments ratio
The honest of node proves information, to complete autonomy.
As an improvement of the above scheme, the verifying node includes main verifying node and time verifying node；The main verifying
The rewards and punishments ratio of node is higher than the rewards and punishments ratio of described verifying node；The verifying node sets module includes:
Sequencing unit, for being ranked up according to descending to the credit information, to obtain the credit letter for being arranged in front M
Breath；Wherein, M is integer, and 1≤M；
Main verifying node sets unit, for verifying node sets corresponding to R credit informations will to be arranged in front as institute
State main verifying node；
Secondary verifying node sets unit is for will be arranged in verifying node sets corresponding to rear M-R credit information
Described verifying node；Wherein, the P is integer, and 1≤R≤M.
As an improvement of the above scheme, the verification information that the verifying node generates includes correct mark and error identification；
The verification result judgment module includes:
First computing unit, it is described correct for being calculated according to the credit information for correctly identifying corresponding verifying node
Verify probability；
Second computing unit, for calculating the mistake according to the credit information of the corresponding verifying node of the error identification
Verify probability；
First judging unit, for determining in the case where the correct verification probability is greater than the errors validity probability
The verification information of the correct mark corresponding node is correct verification；
Second judging unit, for determining in the case where the errors validity probability is greater than the correct verification probability
The verification information of the error identification corresponding node is correct verification.
As an improvement of the above scheme, the health certificate information includes the time-to-live information and its operation of verifying node
The machine performance information of machine；The honest proof information is used to indicate verifying node verifies the honesty obtained every time proves number
Value；The weight information includes weight and honest proof information of the health certificate information in credit information in credit information
Weight；
The credit information computing module is used to calculate the credit information NC of each competition node by following formula:
Wherein, x is health certificate information proportion in credit information, and y is honest in credit information proves shared by information
Ratio；MP is the machine performance information for verifying node, and ET is the time-to-live information for verifying node, and a is in health certificate information
Machine performance information proportion, b are time-to-live information proportion in health certificate information；TiIt verifies and obtains for i-th
It is honest prove numerical value, i is integer, and i >=1, n are the number that verifying is completed.
Compared with prior art, in the block chain autonomy method of the invention based on credit mechanism, start in current authentication
When, information is proved to calculate its credit information by the health certificate information and honesty that obtain competition node, utilizes credit information
Carry out screening verification node, sets competition node of the credit information greater than credit threshold to verify node, and then only to verifying node
Transaction record is sent to be verified, the number of nodes for participating in verifying can be reduced, saves computing resource, and then improves common recognition effect
Rate；In addition, being sentenced when receiving the verification information that verifying node is sent using the verification information and credit information of verifying node
Whether the result verified before disconnected is correct, determines the consistency of verifying to verify the credit rating of node, can effectively avoid generation
The phenomenon that node joint cheating, is not verified and verified to verifying node, improves the safety and authenticity of Site autonomy process；Again
Person, by the honest honesty for proving information and reducing errors validity node for increasing correct verification node according to rewards and punishments ratio
It proves information, on the one hand can effectively realize decentralization, avoid generating centralization node；It on the other hand can also thus significantly
The confidence level of verifying node is increasedd or decreased, and then when the node in block chain needs actively to provide the service of verifying, makes it
A possibility that providing service is directly proportional to its credit information, and then improves autonomy in the process to the constraint dynamics of node, avoids saving
Point not as, joint practise fraud；In addition, for the ease of autonomy, after node obtains and provides the verifying power of the service for checking credentials, in addition to obtaining
Token reward can also obtain fidelity bonus, thus node is the credit value and wealth value for improving itself, and be intended to not make
It dislikes, and then promotes the confidence level of block chain interior joint autonomy method.
Detailed description of the invention
Fig. 1 is the flow diagram of the block chain autonomy method based on credit mechanism of the embodiment of the present invention 1.
Fig. 2 is the flow diagram of the block chain autonomy method based on credit mechanism of the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram of the block chain autonomous system based on credit mechanism of the embodiment of the present invention 3.
Fig. 4 is the structural schematic diagram of the block chain autonomous system based on credit mechanism of the embodiment of the present invention 4.
Fig. 5 is the knot of verification result judgment module in the block chain autonomous system based on credit mechanism of the embodiment of the present invention
Structure schematic diagram.
Specific embodiment
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with
It is different from the other modes of this description much to implement, those skilled in the art can be without violating the connotation of the present invention
Similar popularization is done, therefore the present invention is not limited by the specific embodiments disclosed below.
Clear, complete description is carried out to technical solution of the present invention with attached drawing combined with specific embodiments below.
Referring to Figure 1, be the embodiment of the present invention 1 the block chain autonomy method based on credit mechanism flow diagram.
As shown in Figure 1, the block chain autonomy method of the invention based on credit mechanism, includes the following steps:
S1, when current authentication starts, obtain the health certificate information for competing node in block chain and honest prove information；
The competition node is used to indicate the node of competition verifying power in block chain；
S2, information and weight information are proved according to health certificate information, the honesty of each competition node, calculated each
The credit information of the competition node；
S3, the credit information be greater than the first credit threshold when, set corresponding competition node as verifying node；
S4, according to all it is described verifying nodes credit informations, determine it is each it is described verifying node rewards and punishments ratio；
In step s 4, the rewards and punishments ratio of each verifying node can be set by following formula:
Wherein, niThe rewards and punishments ratio of node, f are verified for i-thiFor the credit letter of i-th of verifying node in verifying node
Breath, N are the number for verifying node.
S5, transaction record is sent to each verifying node, so that each verifying node is to the transaction record
It is verified and generates verification information；
S6, according to it is described verifying node verification information and credit information, judge it is each it is described verifying node verifying believe
It whether correct ceases；
In step s 6, the verification information that the verifying node generates includes correct mark and error identification, according to described
The verification information and credit information for verifying node, judge whether the result of the current authentication is correct, includes the following steps:
S61, the correct verification probability is calculated according to the credit information for correctly identifying corresponding verifying node；
Specifically, step S61 includes:
S611, the credit information for correctly identifying corresponding verifying node is obtained；
S612, correct verification probability F (true) is calculated by following formula:
Wherein, N is the number for verifying node, fiFor the credit information of i-th of verifying node in verifying node, f1iIt is i-th
The credit information of a correct verification node, P are the number of correct verification node, and P is integer, and 1≤P≤N.
For example, setting the number for verifying node as 5, credit rating is respectively f1、f2、f3、f4、f5, when the 1st verifying saves
When the verification information of point, the 2nd verifying node and the 4th verifying node is correct mark, then f11=f1、f12=f2、f13=f4,
And then correct verification probability are as follows:
S62, the errors validity probability is calculated according to the credit information of the corresponding verifying node of the error identification；
Specifically, step S62 includes:
S621, the credit information for obtaining the corresponding verifying node of the error identification；
S622, errors validity probability F (true) is calculated by following formula:
Wherein, f2iFor the credit information of i-th of errors validity node, Q is the number of errors validity node, and Q is integer, and
1≤Q≤N, P+Q=N.
For example, setting the number for verifying node as 5, credit rating is respectively f1、f2、f3、f4、f5, the 3rd verifying node
When the verification information for verifying node with the 5th is error identification, then f21=f3、f22=f5, and then errors validity probability are as follows:
S63, the correct verification probability be greater than the errors validity probability in the case where, determine it is described it is correct mark pair
The verification information for answering node is correct verification；
S64, the errors validity probability be greater than the correct verification probability in the case where, determine the error identification pair
The verification information for answering node is correct verification.
S7, if so, according in verifying node described in corresponding rewards and punishments ratio correct verification node it is honest prove information and
Reward token quantity；
S8, otherwise reduces the honest permit of errors validity node in the verifying node according to corresponding rewards and punishments ratio
Breath, to complete autonomy.
Compared with prior art, in the block chain autonomy method of the invention based on credit mechanism, start in current authentication
When, information is proved to calculate its credit information by the health certificate information and honesty that obtain competition node, utilizes credit information
Carry out screening verification node, sets competition node of the credit information greater than credit threshold to verify node, and then only to verifying node
Transaction record is sent to be verified, the number of nodes for participating in verifying can be reduced, saves computing resource, and then improves common recognition effect
Rate；In addition, being sentenced when receiving the verification information that verifying node is sent using the verification information and credit information of verifying node
Whether the result verified before disconnected is correct, determines the consistency of verifying to verify the credit rating of node, can effectively avoid generation
The phenomenon that node joint cheating, is not verified and verified to verifying node, improves the safety and authenticity of Site autonomy process；Again
Person, by the honest honesty for proving information and reducing errors validity node for increasing correct verification node according to rewards and punishments ratio
It proves information, on the one hand can effectively realize decentralization, avoid generating centralization node；It on the other hand can also thus significantly
The confidence level of verifying node is increasedd or decreased, and then when the node in block chain needs actively to provide the service of verifying, makes it
A possibility that providing service is directly proportional to its credit information, and then improves autonomy in the process to the constraint dynamics of node, avoids saving
Point not as, joint practise fraud；In addition, for the ease of autonomy, after node obtains and provides the verifying power of the service for checking credentials, in addition to obtaining
Token reward can also obtain fidelity bonus, thus node is the credit value and wealth value for improving itself, and be intended to not make
It dislikes, and then promotes the confidence level of block chain interior joint autonomy method.
Fig. 2 is referred to, is the flow diagram of the block chain autonomy method based on credit mechanism of the embodiment of the present invention 1.
As shown in Fig. 2, the block chain autonomy method of the embodiment of the present invention 2 in addition to comprising the Overall Steps in embodiment 1 it
Outside, the verifying node includes main verifying node and time verifying node；The rewards and punishments ratio of the main verifying node is higher than described time
Verify the rewards and punishments ratio of node；
Step S3, it in the case where the credit information is greater than credit threshold, sets corresponding competition node and is saved as verifying
Point, includes the following steps:
S31, the credit information is ranked up according to descending；Wherein, M is integer, and 1≤M；
S32, verifying node sets corresponding to R credit informations will be arranged in front as the main verifying node；
S33, verifying node sets corresponding to rear M-R credit information will be arranged in as described verifying node；Wherein,
The R is integer, and 1≤R≤M.
For example, N is integer, and N > M when it is N number of for verifying node, pass through the credit according to descending to N number of verifying node
Information carries out descending arrangement to set main verifying node and time verifying node and can further reduce the quantity of verifying node, and reduction is tested
It demonstrate,proves the computing resource expended and calculates the time, improve common recognition efficiency；Meanwhile it can be by the way that main verifying node and time verifying node be arranged
Weight, so that the rewards and punishments ratio of main verifying node is higher than time rewards and punishments ratio of verifying node, and then when main verifying node and secondary test
When card node verifies correct, the increased credit information of main verifying node credit information more increased than time verifying node is more；Work as master
When verifying node verification mistake, then its credit information is greatly lowered, improves verification result from there through severe rewards and punishments mechanism
Authenticity and reliability.
Further, in above-described embodiment 1 and embodiment 2, the health certificate information includes the survival of verifying node
Temporal information and its machine performance information for running machine；It is described honest to prove that information is used to indicate verifying node and verifies every time and obtain
The honest proof numerical value taken；The weight information includes weight and honest permit of the health certificate information in credit information
Cease the weight in credit information；
In step s 2, the credit information NC of each competition node is calculated by the following formula:
Wherein, x is health certificate information proportion in credit information, and y is honest in credit information proves shared by information
Ratio；MP is the machine performance information for verifying node, and ET is the time-to-live information for verifying node, and a is in health certificate information
Machine performance information proportion, b are time-to-live information proportion in health certificate information；TiIt verifies and obtains for i-th
It is honest prove numerical value, i is integer, and i >=1, n are the number that verifying is completed.
In step S7, increasing the honest of correct verification node according to the rewards and punishments ratio proves information, includes the following steps:
Increasing the honest of the correct verification node by following formula proves information:
Wherein, the honest proof information after TC1 correct verification node updates, Δ t1For increased honest proof information, institute
It states increased honest proof information and the rewards and punishments ratio is directly proportional.
Further, in step S8, according to the rewards and punishments ratio reduce it is described verifying node in errors validity node it is sincere
The bright information of real example, includes the following steps:
Reducing the honest of the errors validity node by following formula proves information:
Wherein, TC2 is the honest proof information after errors validity node updates, Δ t2Honest for reduction proves information,
The reduced letter honesty proves that information and the rewards and punishments ratio are directly proportional.
It should be understood that in block chain autonomy method of the invention, it can also be by the rewards and punishments ratio of all verifying nodes
It is set as identical rewards and punishments ratio, for example, setting each verifying node when it is N number of for participating in the number of verifying node of verifying
Credit information be f, then it is each verifying node rewards and punishments ratio beThen when verifying completion, each verifying node tune
The honest permit manner of breathing of section is same.In other words, the verifying node weight having the same for each getting transaction verification power, is each tested
Demonstrate,prove the verification result reliability having the same of node；When verifying node verification is correct, the increased honesty of correct verification node
Permit manner of breathing is same；When verifying node verification mistake, the honest permit manner of breathing that errors validity node reduces is same.
In above-mentioned block chain autonomy method of the invention, the initial credit information of node is 0, when block is added in node
When chain, the machine performance information that will run the machine of node proves information as the initial health of node, also, is added from node
The time-to-live information of start recording node when block chain, and then the health certificate information of node is with the time-to-live letter of node
Breath increases.Since node may operate at computer, in laptop devices, the switching on and shutting down operation of this kind of equipment and the direct shadow of online hours
The survival duration of node is rung, thus the node on block chain frequently goes offline in order to prevent, or prevents node from grabbing to transaction
Offline and interrupt verifying after the verifying power of record, block chain autonomy method of the invention is by the health certificate information and node of node
Time-to-live information setting direct proportionality motivate the survival of node, and then improve the reliable of node verification on block chain
Property and autonomous method reliability.
Preferably, in the above-described embodiments, which further includes following steps:
When receiving the report command that any verifying node is sent, increase the honest permit of corresponding verifying node
Breath, so that the honest verifying node for proving information and distributing to report malicious attack fallen will be reduced, to improve the letter of verifying node
Expenditure and its reliability of verifying.
Preferably, in order to avoid the node of low credit frequently participates in verifying, improve the verification efficiency of node, it is above-mentioned from
It controls in method, further includes following steps before current authentication starts:
Transaction request to be verified is initiated by the node on block chain to obtain the credit information of node；
In the case where the credit information of the node is less than or equal to the second credit threshold, corresponding node sets are washed in a pan
Mark is eliminated, to eliminate its qualification for competing node；Wherein, the second credit threshold is less than the first credit threshold.
Fig. 3 is referred to, is the structural schematic diagram of the block chain autonomous system based on credit mechanism of the embodiment of the present invention 3.
The system includes: data obtaining module 1, and the strong of node is competed in block chain in obtaining when current authentication starts
Health proves information and honest proof information；The competition node is used to indicate the node of competition verifying power in block chain；Credit letter
Computing module 2 is ceased, for health certificate information, honest proof information and the weight information according to each competition node, meter
Calculate the credit information of each competition node；Node sets module 3 is verified, for being greater than the first credit in the credit information
In the case where threshold value, corresponding competition node is set to verify node；Rewards and punishments ratio-dependent module 4, for according to whole
The credit information for verifying node determines the rewards and punishments ratio of each verifying node；Transaction record sending module 5 is used for institute
It states verifying node and sends transaction record, so that the verifying node verifies the transaction record and generates verification information；
Verification result judgment module 6 judges each verifying section for the verification information and credit information according to the verifying node
Verifying whether for point is correct；Credit information adjustment module 7, for determine it is described verifying node verification result be it is correct when,
Increasing the honest of correct verification node in the verifying node according to corresponding rewards and punishments ratio proves information and reward token quantity；
And for reducing the verifying node according to the rewards and punishments ratio when determining the verification result of the verifying node for mistake
The honest of middle errors validity node proves information, to complete autonomy.
Compared with prior art, in the block chain autonomous system of the invention based on credit mechanism, data obtaining module 1 exists
When current authentication starts, information is proved by the health certificate information and honesty that obtain competition node to make credit information calculate mould
Block 2 calculates its credit information, to verify node sets module 3 using credit information come screening verification node, sets credit letter
The competition node that breath is greater than credit threshold is verifying node, and then makes transaction record sending module 5 only to verifying node respectively
Transaction record is sent to be verified, the number of nodes for participating in verifying can be reduced, saves computing resource, and then improves common recognition effect
Rate；In addition, verification result judgment module 6 utilizes the verifying of verifying node when receiving the verification information that verifying node is sent
Whether information and credit information correct come the result verified before judging, determines the consistent of verifying to verify the credit rating of node
Property, it can effectively avoid and practise fraud there is a phenomenon where node joint is not verified and verified to verifying node, improve Site autonomy process
Safety and authenticity；Furthermore credit information adjustment module 7 is increased by the rewards and punishments ratio that rewards and punishments ratio-dependent module 4 determines
The honest honest proof information for proving information and reducing errors validity node for adding correct verification node, on the one hand can be effective
It realizes decentralization, avoids generating centralization node；On the other hand can also thus increase considerably or reduces verify node can
Reliability, so improve it is autonomous during to the constraint dynamics of node, avoid node from practising fraud not as, joint, and then improve block
The confidence level of chain interior joint autonomy method.
Fig. 4 is referred to, is the structural schematic diagram of the block chain autonomous system based on credit mechanism of the embodiment of the present invention 3.
As shown in figure 4, the autonomous system is other than comprising whole building blocks in embodiment 2, the verifying node
Including main verifying node and time verifying node；The rewards and punishments ratio of the main verifying node is higher than the rewards and punishments ratio of described verifying node
Example；The verifying node sets module 3 includes:
Sequencing unit 31, for being ranked up according to descending to the credit information, to obtain the credit for being arranged in front M
Information；Wherein, M is integer, and 1≤M；
Main verifying node sets unit 32 is for will be arranged in front verifying node sets corresponding to R credit informations
The main verifying node；
Secondary verifying node sets unit 33, for verifying node sets corresponding to rear M-R credit information will to be arranged in
For described verifying node；Wherein, the R is integer, and 1≤R≤M.
For example, N is integer, and N > M when it is N number of for verifying node, sequencing unit 31 by according to descending to N number of verifying
The credit information of node carries out descending arrangement, so that winner is verified node sets unit 32 and time verifying node sets unit 33 and distinguishes
Main verifying node and time verifying node are set, the quantity of verifying node can be further reduced, reduces the computing resource that verifying expends
With the calculating time, common recognition efficiency is improved；Simultaneously as the rewards and punishments ratio of main verifying node is higher than time rewards and punishments ratio of verifying node
Example, then when main verifying node and time verifying node verify correct, the main increased credit information of verifying node is than time verifying section
The increased credit information of point is more；When main verifying node verification mistake, then its credit information is greatly lowered, from there through severe
Rewards and punishments mechanism improve verification result authenticity and reliability.
Further, in the above-described embodiments, the verification information that the verifying node generates includes correct mark or mistake
Mark；As shown in figure 5, the verification result judgment module 6 includes:
First computing unit 61, for described just according to the credit information calculating for correctly identifying corresponding verifying node
Really verifying probability；
Specifically, the first computing unit 61 includes:
The first information obtains subelement 611, for obtaining the credit information for correctly identifying corresponding verifying node；
Correct verification probability calculation subelement 612, for calculating correct verification probability F (true) by following formula:
Wherein, N is the number for verifying node, fiFor the credit information of i-th of verifying node in verifying node, f1iIt is i-th
The credit information of a correct verification node, P are the number of correct verification node, and P is integer, and 1≤P≤N.
For example, setting the number for verifying node as 5, credit rating is respectively f1、f2、f3、f4、f5, when the 1st verifying saves
When the verification information of point, the 2nd verifying node and the 4th verifying node is correct mark, then f11=f1、f12=f2、f13=f4,
And then correct verification probability are as follows:
Second computing unit 62, for calculating the mistake according to the credit information of the corresponding verifying node of the error identification
Accidentally verifying probability；
Specifically, the second computing unit 62 includes:
Second acquisition of information subelement 621, for obtaining the credit information of the corresponding verifying node of the error identification；
Errors validity probability calculation subelement 622, for calculating errors validity probability F (true) by following formula:
Wherein, f2iFor the credit information of i-th of errors validity node, Q is the number of errors validity node, and Q is integer, and
1≤Q≤N, P+Q=N.
For example, setting the number for verifying node as 5, credit rating is respectively f1、f2、f3、f4、f5, the 3rd verifying node
When the verification information for verifying node with the 5th is error identification, then f21=f3、f22=f5, and then errors validity probability are as follows:
First judging unit 621, for sentencing in the case where the correct verification probability is greater than the errors validity probability
The verification information of the fixed correct mark corresponding node is correct verification；
Second judging unit 622, for sentencing in the case where the errors validity probability is greater than the correct verification probability
The verification information of the fixed error identification corresponding node is correct verification.
Further, in the above-described embodiments, the health certificate information include verifying node time-to-live information and
Its machine performance information for running machine；The honest proof information is used to indicate verifying node and verifies the honest card obtained every time
Bright numerical value；The credit information computing module 2, for calculating the credit information NC of each competition node by following formula:
Wherein, x is health certificate information proportion in credit information, and y is honest in credit information proves shared by information
Ratio；MP is the machine performance information for verifying node, and ET is the time-to-live information for verifying node, and a is in health certificate information
Machine performance information proportion, b are time-to-live information proportion in health certificate information；TiIt verifies and obtains for i-th
It is honest prove numerical value, i is integer, and i >=1, n are the number that verifying is completed.
Further, in the above-described embodiments, the credit information adjustment module 7 includes:
Credit information adding unit proves information for reducing the honest of the errors validity node by following formula:
Increasing the honest of the correct verification node by following formula proves information:
Wherein, the honest proof information after TC1 correct verification node updates, Δ t1For increased honest proof information, institute
It states increased honest proof information and the rewards and punishments ratio is directly proportional.
Credit information reduction unit proves information for reducing the honest of the errors validity node by following formula:
Wherein, TC2 is the honest proof information after errors validity node updates, Δ t2Honest for reduction proves information,
The reduced letter honesty proves that information and the rewards and punishments ratio are directly proportional.
Preferably, in the above-described embodiments, block chain autonomous system further include: honesty proves that information increases module, uses
In when receiving the report command that any verifying node is sent, increasing corresponding the honest of verifying node proves information, with
Just will reduce the honest verifying node for proving information and distributing to report malicious attack fallen, with improve verifying node credit rating and
Its reliability verified.
Preferably, in order to avoid the node of low credit frequently participates in verifying, improve the verification efficiency of node, it is above-mentioned from
It controls in system, further includes:
Transaction request sending module obtains section for initiating transaction request to be verified by the node on block chain
The credit information of point；
Eliminate flag module, for the credit information of the node be less than or equal to credit threshold in the case where,
Corresponding node sets are eliminated into mark, to eliminate its qualification for competing node.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, it is made to the above embodiment according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. the block chain autonomy method based on credit mechanism, which comprises the steps of:
When current authentication starts, the health certificate information that node is competed in block chain and honest proof information are obtained；It is described competing
Strive the node that node is used to indicate competition verifying power in block chain；
According to health certificate information, honest proof information and the weight information of each competition node, calculate each described competing
Strive the credit information of node；
When the credit information is greater than the first credit threshold, corresponding competition node is set to verify node；
According to the credit information of all verifying nodes, the rewards and punishments ratio of each verifying node is determined；
Transaction record is sent to each verifying node, so that each verifying node verifies the transaction record
And generate verification information；
According to the verification information and credit information of the verifying node, whether just the verification information of each verifying node is judged
Really；
If so, increasing the honest of correct verification node in the verifying node according to corresponding rewards and punishments ratio proves information and reward
Token quantity；
Otherwise, reducing the honest of errors validity node in the verifying node according to corresponding rewards and punishments ratio proves information, with complete
At autonomy.
2. block chain autonomy method as described in claim 1, which is characterized in that the verifying node include main verifying node and
Secondary verifying node；The rewards and punishments ratio of the main verifying node is higher than the rewards and punishments ratio of described verifying node；
In the case where the credit information is greater than credit threshold, corresponding competition node is set as verifying node, including as follows
Step:
The credit information is ranked up according to descending；Wherein, M is integer, and 1≤M；
It is the main verifying node that verifying node sets corresponding to R credit informations, which will be arranged in front,；
It is described verifying node that verifying node sets corresponding to rear M-R credit information, which will be arranged in,；Wherein, the R is
Integer, and 1≤R≤M.
3. block chain autonomy method as described in claim 1, which is characterized in that the verification information packet that the verifying node generates
Include correct mark and error identification；
According to the verification information and credit information of the verifying node, whether just the verification information of each verifying node is judged
Really, include the following steps:
The correct verification probability is calculated according to the credit information for correctly identifying corresponding verifying node；
The errors validity probability is calculated according to the credit information of the corresponding verifying node of the error identification；
In the case where the correct verification probability is greater than the errors validity probability, the correct mark corresponding node is determined
Verification information is correct verification；
In the case where the errors validity probability is greater than the correct verification probability, the error identification corresponding node is determined
Verification information is correct verification.
4. block chain autonomy method as described in claim 1, which is characterized in that the health certificate information includes verifying node
Time-to-live information and its run machine machine performance information；It is each that the honest proof information is used to indicate verifying node
Complete the honest proof numerical value obtained after verifying；The weight information include weight of the health certificate information in credit information with
And the honest weight for proving information in credit information；
According to health certificate information, honest proof information and the weight information of each competition node, calculate each described competing
The credit information for striving node, includes the following steps:
The credit information NC of each competition node is calculated by following formula:
Wherein, x is the weight of health certificate information in credit information, and y is the honest weight for proving information in credit information；MP is
The machine performance information of node is verified, ET is the time-to-live information for verifying node, and a is machine performance letter in health certificate information
The weight of breath, b are the weight of time-to-live information in health certificate information；TiThe honesty obtained for i-th verifying proves numerical value,
I is integer, and i >=1, n are the number that verifying is completed.
5. block chain autonomy method as described in claim 1, which is characterized in that believed according to the credit of all verifying nodes
Breath determines the rewards and punishments ratio of each verifying node, includes the following steps:
The rewards and punishments ratio n of each verifying node is calculated by following formulai:
Wherein, niThe rewards and punishments ratio of node, f are verified for i-thiFor the credit information of i-th of verifying node in verifying node, N is
Verify the number of node.
6. block chain autonomy method as described in claim 1, which is characterized in that further include following steps:
When receiving the report command that any verifying node is sent, increasing corresponding the honest of verifying node proves information；
Further include following steps before current authentication starts:
Transaction request to be verified is initiated by the node on block chain to obtain the credit information of node；
In the case where the credit information of the node is less than or equal to the second credit threshold, corresponding node sets are eliminated into mark
Know, to eliminate its qualification for competing node；Second credit threshold is less than first credit threshold.
7. the block chain autonomous system based on credit mechanism characterized by comprising
Data obtaining module obtains the health certificate information that node is competed in block chain and really for when current authentication starts
The bright information of real example；The competition node is used to indicate the node of competition verifying power in block chain；
Credit information computing module, for health certificate information, honest proof information and the power according to each competition node
Weight information calculates the credit information of each competition node；
Node sets module is verified, for setting corresponding competing in the case where the credit information is greater than the first credit threshold
Node is striven as verifying node；
Rewards and punishments ratio-dependent module determines each verifying node for the credit information according to all verifying nodes
Rewards and punishments ratio；
Transaction record sending module, for sending transaction record to the verifying node, so that each verifying node is to institute
Transaction record is stated to be verified and generate verification information；
Verification result judgment module judges each described test for the verification information and credit information according to the verifying node
Verifying whether for card node is correct；
Credit information adjustment module, for determine it is described verifying node verification result be it is correct when, according to corresponding rewards and punishments
Ratio, which increases the honest of correct verification node in the verifying node, proves information and reward token quantity；And for determining
When the verification result of the verifying node is mistake, reduce errors validity node in the verifying node according to the rewards and punishments ratio
It is honest prove information, to complete autonomy.
8. block chain autonomous system as claimed in claim 6, which is characterized in that the verifying node include main verifying node and
Secondary verifying node；The rewards and punishments ratio of the main verifying node is higher than the rewards and punishments ratio of described verifying node；The verifying node
Setting module includes:
Sequencing unit, for being ranked up according to descending to the credit information, to obtain the credit information for being arranged in front M；
Wherein, M is integer, and 1≤M；
Main verifying node sets unit is the master for that will be arranged in front verifying node sets corresponding to R credit informations
Verify node；
Secondary verifying node sets unit, is described for that will be arranged in verifying node sets corresponding to rear M-R credit information
Secondary verifying node；Wherein, the P is integer, and 1≤R≤M.
9. block chain autonomous system as claimed in claim 7, which is characterized in that the verification information packet that the verifying node generates
Include correct mark and error identification；The verification result judgment module includes:
First computing unit, for calculating the correct verification according to the credit information for correctly identifying corresponding verifying node
Probability；
Second computing unit, for calculating the errors validity according to the credit information of the corresponding verifying node of the error identification
Probability；
First judging unit is used in the case where the correct verification probability is greater than the errors validity probability, described in judgement
The verification information of correct mark corresponding node is correct verification；
Second judging unit is used in the case where the errors validity probability is greater than the correct verification probability, described in judgement
The verification information of error identification corresponding node is correct verification.
10. block chain autonomous system as claimed in claim 7, which is characterized in that the health certificate information includes verifying section
The time-to-live information of point and its machine performance information for running machine；It is every that the honest proof information is used to indicate verifying node
The honest proof numerical value that secondary verifying obtains；The weight information includes weight of the health certificate information in credit information and really
Weight of the bright information of real example in credit information；
The credit information computing module is used to calculate the credit information NC of each competition node by following formula:
Wherein, x is health certificate information proportion in credit information, and y is honest proof information proportion in credit information；
MP is the machine performance information for verifying node, and ET is the time-to-live information for verifying node, and a is machine in health certificate information
Energy information proportion, b are time-to-live information proportion in health certificate information；TiThe honesty obtained for i-th verifying
Prove numerical value, i is integer, and i >=1, n are the number that verifying is completed.
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