CN110189464A - A kind of random lottery drawing method and device of application block chain - Google Patents
A kind of random lottery drawing method and device of application block chain Download PDFInfo
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- CN110189464A CN110189464A CN201910509033.1A CN201910509033A CN110189464A CN 110189464 A CN110189464 A CN 110189464A CN 201910509033 A CN201910509033 A CN 201910509033A CN 110189464 A CN110189464 A CN 110189464A
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- prize drawing
- cryptographic hash
- remainder
- drawing device
- prize
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C15/00—Generating random numbers; Lottery apparatus
- G07C15/006—Generating random numbers; Lottery apparatus electronically
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The present invention discloses the random lottery drawing method and device of a kind of application block chain, comprising: prize drawing device initiates a transfer request on block chain, and the transfer request is used as prize drawing；The prize drawing device carries out Hash operation to the transfer request, obtains the first cryptographic Hash；The prize drawing device obtains the stroke count n that transfers accounts in its current corresponding block；First cryptographic Hash divided by the stroke count n that transfers accounts, is obtained corresponding first remainder m by the prize drawing device；Obtain in its current corresponding block m of the prize drawing device transfer accounts, and transfer accounts to m and carry out Hash operation, obtain the second cryptographic Hash；Second cryptographic Hash divided by default integer, is obtained corresponding second remainder by the prize drawing device；Second remainder is this prize drawing number.Present invention can ensure that the randomness of prize drawing process, openly, it is fair and credible.
Description
Technical field
The present invention relates to block chains and prize drawing combination technology field, more particularly, to a kind of the random of application block chain
Lottery drawing method and device.
Background technique
Existing prize drawing technology is widely used in business activity, such as the movable prize drawing in market or gambling prize drawing, to inhale
Draw consumer's eyeball or repays the customers, the further participation enthusiasm for promoting lottery industry participant or commercially available people.Prize drawing
Technology is also applied to intra-company's activity, such as company's annual meeting or company set up Zhou Nianhui activity, with feedback employee, increase person
Company's collection body-sensing of work etc..Existing prize drawing mostly uses greatly the prize drawing of artificial or computer, and the randomness manually drawn a lottery is poor, and prize drawing process is not
It is transparent, therefore drawing outcomes may be by black-box operation, it is thus possible to there are unjustnesses.Computer prize drawing may due to prize drawing algorithm
Be tampered or by hacker's malicious attack, and draw a lottery mechanism can not transparence, therefore its drawing outcomes be also likely to be present it is unfair,
Situation of the injustice in, randomness difference.
Block chain is the novel of the computer technologies such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm
Application model.Common recognition mechanism is that the mathematical algorithm established between different nodes and trust, obtain equity is realized in block catenary system.Area
Block chain is the Floor layer Technology of bit coin, as a database account book, records all transaction records.The characteristics of system is that have very
It is multiple respectively with node all over the world, each node can safeguard a set of identical database.Which results in maliciously distort
Data and its difficulty, loss of data is extremely rare, so that it is transparent to realize a justice, solves the platform of trust crisis.
Summary of the invention
In view of the drawbacks of the prior art, it is an object of the invention to solve existing prize drawing scheme randomness not ensureing, and
Due to prize drawing process not can guarantee it is all opaque, so there may be underground, inequitable technical problems.
To achieve the above object, in a first aspect, the present invention provides a kind of random lottery drawing method of application block chain, including with
Lower step:
Prize drawing device initiates a transfer request on block chain, and the transfer request includes: initiator address, recipient
Address and transfer amounts；The transfer request is used as prize drawing；
The prize drawing device carries out Hash operation to the transfer request, obtains the first cryptographic Hash；The prize drawing device obtains
Take the stroke count n that transfers accounts in its current corresponding block；And first cryptographic Hash is obtained divided by the stroke count n that transfers accounts
Corresponding first remainder m；N is positive integer, and m is the positive integer less than n；
Obtain in its current corresponding block m of the prize drawing device transfer accounts, and transfer accounts to m and carry out Hash
Operation obtains the second cryptographic Hash；And second cryptographic Hash is obtained into corresponding second remainder divided by default integer；It is described
Second remainder is this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
Optionally, first cryptographic Hash is hexadecimal data；The prize drawing device removes first cryptographic Hash
With the stroke count n that transfers accounts, corresponding first remainder m is obtained, is specifically comprised the following steps:
First cryptographic Hash is converted into corresponding decimal data by the prize drawing device；
The first cryptographic Hash that the prize drawing device will convert into decimal data is corresponded to divided by the stroke count n that transfers accounts
The first remainder m.
Optionally, second cryptographic Hash is hexadecimal data；The prize drawing device removes second cryptographic Hash
To preset integer, corresponding second remainder is obtained, is specifically comprised the following steps:
Second cryptographic Hash is converted into corresponding decimal data by the prize drawing device；
The second cryptographic Hash that the prize drawing device will convert into decimal data obtains corresponding second divided by default integer
Remainder.
Optionally, when the default integer is 10, the prize drawing number changes in 0~9 range.
Optionally, when the default integer is 100, the prize drawing number changes within the scope of 00-99, wherein if more than second
When number is less than 10, then it will be exported after its ten zero paddings.
Specifically, the default integer is the summation of candidate number section number quantity, to ensure the number of having in all candidate prize drawings
It can be drawn.
Wherein, which can be applied to market activity prize drawing or company's annual meeting prize drawing, can set several
The first prize, second prize and third prize, every kind of awards correspond to a kind of prize.Repeat draw a lottery, can according to go out prize number sequence will
It is divided into one of awards, for example, first taking out third prize, then takes out second prize, finally takes out the first prize.Wherein, if drawing below
Number repeated with the number that is extracted into before, then extract again, it is all to guarantee to draw until being extracted into different numbers
Awards.
In addition, that is, candidate lottery numbers can also be from S+1~S+T if the number of prize drawing person is not since 000 number
Variation, then can be set as T for default integer, after acquiring the second remainder, the second remainder is added S, then obtains corresponding drawing outcomes.
Second aspect, the present invention provide a kind of random prize drawing device of application block chain, comprising:
Unit is initiated in prize drawing, and for initiating transfer request on block chain, the transfer request includes: initiator
Location, recipient address and transfer amounts；The transfer request is used as prize drawing；
Remainder determination unit obtains the first cryptographic Hash for carrying out Hash operation to the transfer request；The prize drawing dress
Set the stroke count n that transfers accounts obtained in the current corresponding block of prize drawing device；And first cryptographic Hash is transferred accounts divided by described
Stroke count n obtains corresponding first remainder m；N is positive integer；M is the positive integer less than n；
Prize drawing is extra-large unit, for obtains prize drawing device it is current corresponding to block in m transfer accounts, and to m
It transfers accounts and carries out Hash operation, obtain the second cryptographic Hash；And second cryptographic Hash is obtained corresponding divided by default integer
Two remainders；Second remainder is this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
Optionally, first cryptographic Hash is hexadecimal data；The remainder determination unit is by first Hash
Value is converted into corresponding decimal data；The first cryptographic Hash of decimal data be will convert into divided by the stroke count n that transfers accounts, obtained
Corresponding first remainder m.
Optionally, second cryptographic Hash is hexadecimal data；Unit is extra-large in prize drawing will second cryptographic Hash turn
Change corresponding decimal data into；The second cryptographic Hash of decimal data be will convert into divided by default integer, obtain corresponding
Two remainders.
Optionally, when the default integer is 10, the prize drawing number changes in 0~9 range.
Optionally, when the default integer is 100, the prize drawing number changes in 00~99 range, wherein if more than second
When number is less than 10, then it will be exported after its ten zero paddings.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
The present invention provides the random lottery drawing method and device of a kind of application block chain, block chain technology is based on, due to area
Block chain data have open and clear characteristic, and block chain Information Security is very high, is very unlikely to be tampered, therefore confidence level
It is high.Number in block chain can be found by any user, therefore the process drawn a lottery can be supervised by masses, so that being based on block chain
Draw a lottery just, fair and open, is able to satisfy practical application request.
The present invention provides the random lottery drawing method and device of a kind of application block chain, initiates to take out based on block chain transferred account service
Prize, the process of prize drawing relies on the cryptographic Hash of block chain data, since there are randomnesss for Hash operation itself, and combines current block
Transfer accounts stroke count and random wherein a certain transfer information carries out Hash operation, enhance the randomness of prize drawing process.Finally
Using remming as a result, dividing exactly to it for random Harsh operation twice, obtain final prize drawing, ensure that the prize drawing process with
Machine.
Detailed description of the invention
Fig. 1 is the random lottery drawing method flow chart of application block chain provided by the invention；
Fig. 2 is the random prize drawing device architecture figure of application block chain provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is the random lottery drawing method flow chart of application block chain provided by the invention；As shown in Figure 1, including following step
It is rapid:
S101, prize drawing device initiate a transfer request on block chain, the transfer request include: initiator address,
Recipient address and transfer amounts；The transfer request is used as prize drawing；
S102, the prize drawing device carry out Hash operation to the transfer request, obtain the first cryptographic Hash；The prize drawing dress
Set the stroke count n that transfers accounts obtained in its current corresponding block；And by first cryptographic Hash divided by the stroke count n that transfers accounts,
Obtain corresponding first remainder m；N is positive integer, and m is the positive integer less than n；
S103, obtain in its current corresponding block m of the prize drawing device transfer accounts, and to m transfer accounts into
Row Hash operation obtains the second cryptographic Hash；And second cryptographic Hash is obtained corresponding more than second divided by default integer
Number；Second remainder is this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
Optionally, first cryptographic Hash is hexadecimal data；The prize drawing device turns first cryptographic Hash
Change corresponding decimal data into；The prize drawing device will convert into the first cryptographic Hash of decimal data divided by the pen of transferring accounts
Number n, obtains corresponding first remainder m.
Optionally, second cryptographic Hash is hexadecimal data；The prize drawing device turns second cryptographic Hash
Change corresponding decimal data into；The prize drawing device will convert into the second cryptographic Hash of decimal data divided by default integer,
Obtain corresponding second remainder.
Optionally, when the default integer is 10, the prize drawing number changes in 0~9 range.
Optionally, when the default integer is 100, the prize drawing number changes within the scope of 00-99, wherein if more than second
When number is less than 10, then it will be exported after its ten zero paddings.
It should be noted that default integer can be set according to actual needs in prize drawing scheme provided by the invention.Not only
It is only limitted to 10 or 100 both of these case.Specifically, the summation that integer is candidate number section number quantity is preset, to ensure all times
The number of having can be pumped in choosing prize drawing.
It in one example, is every if candidate employee has 1000 if the lottery drawing method is applied to company's annual meeting prize drawing
Position candidate employee distribute a number, and the number of distribution can change in 000~999 number section.But the awards drawn may include: one
The case where Deng encouraging 5, second prize 20, third prize 50.It needs to draw 75 numbers in 1000 candidate numbers altogether, with complete
At sweepstake.Default integer is set as 1000, then the number extracted out changes corresponding be randomly dispersed in 000~999.It repeats
It draws a lottery 75 times, in the number being extracted into, preceding 50 numbers are then third prize, and the 51st number to the 70th number is then second prize,
71st number to the 75th number is then the first prize.Wherein, if the number drawn below is repeated with the number being extracted into before,
Again it extracts, until being extracted into different numbers, is got the winning number in a bond with guaranteeing to draw 75 candidate employees.
Wherein, the first prize can reward that the luxurious skin care item of company are a set of, and second prize can reward one bottle of company's medium-priced essence,
Third prize can reward company's MASQUE APAISANT HYDRATANT one box.
In another example: if the lottery drawing method is applied to market activity prize drawing, if candidate prize drawing people has 800,
A number is distributed for every candidate, the number of distribution can change in 000~799 number section.But the awards drawn may include:
The first prize 1, second prize 6, third prize 30 the case where.It needs to draw 37 numbers in 800 candidate numbers altogether, with complete
At sweepstake.Wherein, the first prize can get refrigerator prize, and second prize can get micro-wave oven prize, and third prize can get flower stand
Prize.
Then default integer can be set as 800, then the number extracted out changes corresponding be randomly dispersed in 000~799.It repeats
It draws a lottery 37 times, in the number being extracted into, preceding 30 numbers are then third prize, and the 31st number to the 36th number is then second prize,
37th number is then the first prize.Wherein, it if the number drawn below is repeated with the number being extracted into before, extracts again, directly
Until being extracted into different numbers, got the winning number in a bond with guaranteeing to draw 37 candidate prize drawing people.
In addition, that is, candidate lottery numbers can also be from S+1~S+T if the number of prize drawing person is not since 000 number
Variation, then can be set as T for default integer, after acquiring the second remainder, the second remainder is added S, then obtains corresponding drawing outcomes.
Random lottery drawing method provided by the invention is also applied in other concrete scenes, and those skilled in the art can
To carry out practical application according to actual needs.Those skilled in the art can select the default integer according to actual needs, with full
The corresponding prize drawing variation range section of foot requires.The present invention does any restriction not to this.
Fig. 2 is the random prize drawing device architecture figure of application block chain provided by the invention, as shown in Fig. 2, including such as placing an order
Member:
Unit 201 is initiated in prize drawing, and for initiating a transfer request on block chain, the transfer request includes: to initiate
Square address, recipient address and transfer amounts；The transfer request is used as prize drawing；
Remainder determination unit 202 obtains the first cryptographic Hash for carrying out Hash operation to the transfer request；The pumping
Encourage the stroke count n that transfers accounts in the current corresponding block of device acquisition prize drawing device；And by first cryptographic Hash divided by described
Transfer accounts stroke count n, obtains corresponding first remainder m；N is positive integer；M is the positive integer less than n；
Prize drawing is extra-large unit 203, for obtains prize drawing device it is current corresponding to block in m transfer accounts, and to m
Pen, which is transferred accounts, carries out Hash operation, obtains the second cryptographic Hash；And second cryptographic Hash is obtained corresponding divided by default integer
Second remainder；Second remainder is this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
Optionally, first cryptographic Hash is hexadecimal data；The remainder determination unit 202 is breathed out described first
Uncommon value is converted into corresponding decimal data；The first cryptographic Hash of decimal data be will convert into divided by the stroke count n that transfers accounts, obtained
To corresponding first remainder m.
Optionally, second cryptographic Hash is hexadecimal data；Prize drawing is extra-large unit 203 for second cryptographic Hash
It is converted into corresponding decimal data；The second cryptographic Hash of decimal data be will convert into divided by default integer, obtained corresponding
Second remainder.
Optionally, when the default integer is 10, the prize drawing number changes in 0~9 range.
Optionally, when the default integer is 100, the prize drawing number changes in 00~99 range, wherein if more than second
When number is less than 10, then it will be exported after its ten zero paddings.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of random lottery drawing method of application block chain, which comprises the following steps:
Prize drawing device initiates a transfer request on block chain, and the transfer request includes: initiator address, recipient address
And transfer amounts；The transfer request is used as prize drawing；
The prize drawing device carries out Hash operation to the transfer request, obtains the first cryptographic Hash；The prize drawing device obtains it
The stroke count n that transfers accounts in current corresponding block；And first cryptographic Hash is corresponded to divided by the stroke count n that transfers accounts
The first remainder m；N is positive integer, and m is the positive integer less than n；
Obtain in its current corresponding block m of the prize drawing device transfer accounts, and transfer accounts to m and carry out Hash fortune
It calculates, obtains the second cryptographic Hash；And second cryptographic Hash is obtained into corresponding second remainder divided by default integer；Described
Two remainders are this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
2. the random lottery drawing method of application block chain according to claim 1, which is characterized in that first cryptographic Hash is
Hexadecimal data；
First cryptographic Hash divided by the stroke count n that transfers accounts, is obtained corresponding first remainder m by the prize drawing device, specific to wrap
Include following steps:
First cryptographic Hash is converted into corresponding decimal data by the prize drawing device；
The prize drawing device will convert into the first cryptographic Hash of decimal data divided by the stroke count n that transfers accounts, and obtain corresponding the
One remainder m.
3. the random lottery drawing method of application block chain according to claim 1, which is characterized in that second cryptographic Hash is
Hexadecimal data；
Second cryptographic Hash divided by default integer, is obtained corresponding second remainder, specifically included as follows by the prize drawing device
Step:
Second cryptographic Hash is converted into corresponding decimal data by the prize drawing device；
The second cryptographic Hash that the prize drawing device will convert into decimal data obtains corresponding more than second divided by default integer
Number.
4. the random lottery drawing method of application block chain according to any one of claims 1 to 3, which is characterized in that described pre-
If integer is 10, the prize drawing number changes in 0~9 range.
5. the random lottery drawing method of application block chain according to any one of claims 1 to 3, which is characterized in that described pre-
If integer is 100, the prize drawing number changes within the scope of 00-99, wherein if the second remainder is less than 10, by its ten
It is exported after zero padding.
6. a kind of random prize drawing device of application block chain characterized by comprising
Prize drawing initiate unit, on block chain initiate a transfer request, the transfer request include: initiator address,
Recipient address and transfer amounts；The transfer request is used as prize drawing；
Remainder determination unit obtains the first cryptographic Hash for carrying out Hash operation to the transfer request；The prize drawing device obtains
Take the stroke count n that transfers accounts in the current corresponding block of prize drawing device；And by first cryptographic Hash divided by the stroke count of transferring accounts
N obtains corresponding first remainder m；N is positive integer；M is the positive integer less than n；
Prize drawing is extra-large unit, for obtains prize drawing device it is current corresponding to block in m transfer accounts, and transfer accounts to m
Hash operation is carried out, the second cryptographic Hash is obtained；And second cryptographic Hash is obtained corresponding more than second divided by default integer
Number；Second remainder is this prize drawing number；The default integer determines the numerical value change section of the prize drawing number.
7. the random prize drawing device of application block chain according to claim 6, which is characterized in that first cryptographic Hash is
Hexadecimal data；First cryptographic Hash is converted into corresponding decimal data by the remainder determination unit；It will conversion
At the first cryptographic Hash of decimal data divided by the stroke count n that transfers accounts, corresponding first remainder m is obtained.
8. the random prize drawing device of application block chain according to claim 6, which is characterized in that second cryptographic Hash is
Hexadecimal data；Second cryptographic Hash is converted into corresponding decimal data by the prize drawing unit that is extra-large；It will convert into ten
Second cryptographic Hash of binary data obtains corresponding second remainder divided by default integer.
9. according to the random prize drawing device of the described in any item application block chains of claim 6 to 8, which is characterized in that described pre-
If integer is 10, the prize drawing number changes in 0~9 range.
10. according to the random prize drawing device of the described in any item application block chains of claim 6 to 8, which is characterized in that described pre-
If integer is 100, the prize drawing number changes in 00~99 range, wherein if the second remainder is less than 10, by its ten
It is exported after zero padding.
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| CN201910509033.1A CN110189464B (en) | 2019-06-13 | 2019-06-13 | Random lottery method and device applying block chain |
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| CN201910509033.1A CN110189464B (en) | 2019-06-13 | 2019-06-13 | Random lottery method and device applying block chain |
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| CN110189464B CN110189464B (en) | 2020-10-27 |
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Cited By (1)
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| CN110223439A (en) * | 2019-06-13 | 2019-09-10 | 北京艾摩瑞策科技有限公司 | A kind of random number of shaking method and device of application block chain |
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| CN106980488A (en) * | 2017-03-14 | 2017-07-25 | 腾讯科技（深圳）有限公司 | Random digit generation method and device |
| CN107103097A (en) * | 2017-05-22 | 2017-08-29 | 中链科技有限公司 | Drawing method and terminal device based on block chain technology |
| CN107862782A (en) * | 2017-10-27 | 2018-03-30 | 链家网（北京）科技有限公司 | Drawing method and device based on ether mill block chain |
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Address after: 100085 No. 108, 1st Floor, No. 9, Shangdi Jiujie, Haidian District, Beijing Applicant after: Beijing ruice Technology Co., Ltd Address before: 100085 No. 108, 1st Floor, No. 9, Shangdi Jiujie, Haidian District, Beijing Applicant before: BEIJING AIMO RUICE TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant |