CN108831002A - A kind of welfare lottery ticket justice based on block chain is announced the winners in a lottery method - Google Patents
A kind of welfare lottery ticket justice based on block chain is announced the winners in a lottery method Download PDFInfo
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- CN108831002A CN108831002A CN201810735389.2A CN201810735389A CN108831002A CN 108831002 A CN108831002 A CN 108831002A CN 201810735389 A CN201810735389 A CN 201810735389A CN 108831002 A CN108831002 A CN 108831002A
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- G—PHYSICS
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- 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
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Abstract
It announces the winners in a lottery method the invention discloses a kind of welfare lottery ticket justice based on block chain, belongs to block chain technical field.The method of the invention mainly includes the following steps that:Preparation:Regulation announces the winners in a lottery, suspends sale of the time;Lottery ticket promoter disposes the intelligent contract of lottery ticket, and intelligent contract includes stake module and module of announcing the winners in a lottery;It bets module and the challenging value announced the winners in a lottery is calculated using the cryptographic Hash of the stake information of punter and multiple blocks of newest determination;Module of announcing the winners in a lottery carries out six Hash calculations using the challenging value announced the winners in a lottery and obtains six red ball numbers, carries out a Hash calculation and obtains blue ball number.The method of the invention utilizes the intelligent contract technology in ether mill, stake of the lottery ticket on block chain, the functions such as announce the winners in a lottery, and save all operation informations, guarantee all lottery informations it is open and clear, can not distort, can not forge, the result that allows to announce the winners in a lottery is verified by all participants.
Description
Technical field
The invention belongs to block chain technical fields, and in particular to a kind of welfare lottery ticket justice side of announcing the winners in a lottery based on block chain
Method.
Background technique
Lottery ticket, also referred to as lottery ticket are raised money by drawing lots to prize mode.Classify by lottery fan's participation method, lottery ticket mainly divides
For draw lottery ticket, touch prize lottery ticket, guess lottery ticket and stake lottery ticket.Wherein touching prize lottery ticket is a kind of instant lottery ticket, that is, touches and open, and is encouraged
Product content, which has been carried out, to be printed upon in lottery ticket, does not need announce the winners in a lottery;Guess lottery ticket and stake lottery ticket are by specific right
As being predicted, it is subject to the result for predicting that object generates, again without announcing the winners in a lottery.Currently, due to winners' announcement in lottery process
It is to be managed maintenance by issue of lottery side, is that drawn numbers are determined by Lottery apparatus by notary public's supervision is lower, result of announcing the winners in a lottery
It is announced by issue of lottery side.It is possible that the case where conspiring deception punter there are notary public and issue of lottery side generation.
Block chain is made of one group of node based on point to point network, and each node safeguards data by executing common recognition mechanism
Consistency.Block chain connects data block to form block chain structure using the cryptographic Hash of block, makes the number in block
According to have can not distort, order-preserving, the characteristics such as traceable.Block chain knows together algorithm by distributed node to generate, update and deposit
Data are stored up, can achieve the function of decentralization.Block chain is stated and transferring digital asset coverage by way of digital signature
The safety of data transmission and access.
Typical Representative of the ether mill as block chain 2.0, the figure spirit for realizing block catenary system for the first time is complete, can be in area
Block chain uploads and executing application, and performing effectively for program can be guaranteed, and realize intelligence for the first time on this basis
The function of contract.Block chain is written in intelligent contract by ether mill in 2013 in digital form, executes intelligence by computer network
The code of contract.Due to block chain have it is distributed, openly, the characteristics such as can not distort so that the content and intelligence of intelligent contract
The implementing result of contract is all visible and identical for each side for initiating intelligent contract.Intelligent contract based on block chain is not
The advantages such as the cost efficiency that only there is intelligent contract itself to have also can avoid the interference that malicious act normally executes it,
Ensure that it is open and clear, traceable during storage, reading, execution etc., can not distort.The application utilizes the intelligence in ether mill
Can contract technology, stake of the lottery ticket on block chain, the functions such as announce the winners in a lottery, and save all operation informations guarantee all letters of announcing the winners in a lottery
Breath it is open and clear, can not distort, can not forge, the result that allows to announce the winners in a lottery is verified by all participants.
Due to the content of block fill part be it is uncertain, in ether mill the cryptographic Hash of next block be also can not
Prediction.Data in ether mill be it is open and clear, anyone can access in the network of ether mill inquiry ether mill block
The content of chain.Moreover, it is 262082.88GH/s that power is calculated in ether mill so far, i.e., per second to calculate 2.6 × 1014Secondary Hash.
And the peak computational speed of the most fast supercomputer of Chinese calculating speed is 9.3 × 1016Secondary logic calculation, about 5.5 ×
1012Secondary Hash calculation.It can be seen that ether mill block chain, which has enough calculations to try hard to keep, demonstrate,proves the unforgeable of data.
Classify by lottery fan's participation method, lottery ticket is broadly divided into draw lottery ticket, touches prize lottery ticket, guess lottery ticket and stake lottery ticket.
Wherein touching prize lottery ticket is a kind of instant lottery ticket, that is, touches and open, and prize content, which has been carried out, to be printed upon in lottery ticket, does not need to carry out public
It announces the winners in a lottery;Guess lottery ticket and stake lottery ticket be to be predicted by special object, be subject to predict object generate result, equally
It does not need to announce the winners in a lottery.Currently, since winners' announcement in lottery process is to be managed maintenance by issue of lottery side being supervised by notary public
It superintends and directs down and drawn numbers is determined by Lottery apparatus, result of announcing the winners in a lottery is announced by issue of lottery side.It is possible that there are notary public with
The case where issue of lottery side conspiracy deception punter, occurs.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of welfare lottery ticket justice based on block chain to announce the winners in a lottery
Method.
Technical problem proposed by the invention solves in this way:
A kind of welfare lottery ticket justice based on block chain is announced the winners in a lottery method, is included the following steps:
Step 1. preparation:Regulation announces the winners in a lottery, suspends sale of the time;Lottery ticket promoter disposes the intelligent contract of lottery ticket, and intelligence is closed
It about include stake module and module of announcing the winners in a lottery;
Step 2. bets module:It is 0 that initializaing variable OpenChal is arranged in intelligent contract, in the process for selling lottery ticket
In, after a punter bets, intelligent contract utilizes punter's ether mill address, wager amounts and stake time and setting
Variable OpenChal is as input more new variables OpenChal;Within the time that lottery ticket is sold, any ether mill address of possessing
With per family any drawn numbers can be bet with any amount of money;It is all with lottery ticket choosing and selling cannot be carried out per family after lottery ticket is suspended sale of;
Step 3. is announced the winners in a lottery module:When winners' announcement in lottery, intelligent contract is obtained by the end of 12 areas of time of announcing the winners in a lottery newest confirmation
The challenging value announced the winners in a lottery is calculated using the value of this 12 cryptographic Hash and OpenChal in the cryptographic Hash of block;
Addition filling data, carry out six Hash calculations after the challenging value announced the winners in a lottery;Wherein, Hash meter of every progress
It calculates, filling data add 1;Obtain generating 6 cryptographic Hash of twin color ball number;By the remainder of 6 cryptographic Hash modulus 33 and add 1;?
To 6 red ball numbers;If giving up one of number, change is filled out there are two identical numbers in 6 red ball numbers
It makes up the number evidence, recalculates cryptographic Hash and operated to obtain new red ball number, by new red ball number and other red balls
Number is compared, and is retained if different, gives up the number if they are the same, repeats aforesaid operations, different up to finding 6
Red ball number until;
Using the challenging value announced the winners in a lottery as input, and the addition filling data after the challenging value, it is calculated using filling data
To new cryptographic Hash, the remainder of the cryptographic Hash modulus 16 simultaneously adds 1, obtains 1 blue ball number.
The beneficial effects of the invention are as follows:
(1) the present invention is based on block chain technologies, fully transparent to punter, anyone can be according to block Hash
Value calculates winning results;
(2) the present invention is based on block chain technology, decentralizations, and do not need the investment of any equipment of announcing the winners in a lottery;
(3) result of announcing the winners in a lottery of the invention is based on unknown block and carries out operation, and has the calculation power of bit coin to be guaranteed, any
The link for participating in lottery ticket can not all practise fraud, and announce the winners in a lottery even issue of lottery side also can not predict or set as a result, winners' announcement in lottery mistake
Journey full disclosure is supervised convenient for user;
(4) result completely random of announcing the winners in a lottery of the invention, the probability that each number generates is identical, avoids physical equipment not
The identical drawback of energy.
Specific embodiment
The present invention is further detailed below with reference to embodiment.
It announces the winners in a lottery method, includes the following steps the present embodiment provides a kind of welfare lottery ticket justice based on block chain:
Step 1. preparation:Regulation announces the winners in a lottery, suspends sale of the time;Currently, the time of announcing the winners in a lottery of twin color ball be on every Tuesdays, Thursday,
The time of suspending sale of of 21 points of Sunday 15 minutes, twin color ball is 20 points of day of announcing the winners in a lottery;Lottery ticket needs based on ether mill intelligence contract are announced the winners in a lottery
Lottery ticket is sold in stopping in first at least six minutes, announce the winners in a lottery and suspend sale of the time can with the announcing the winners in a lottery of twin color ball, suspend sale of the time and be consistent,
It is also possible to meet arbitrarily announcing the winners in a lottery, suspend sale of the time for condition, the present embodiment does not do specified in more detail;
Lottery ticket promoter disposes the intelligent contract of lottery ticket, and lottery ticket promoter can be lottery central mechanism, be also possible to it
His group or mechanism;Intelligent contract includes stake module and module of announcing the winners in a lottery;
Twin color ball lot cast rule:6 red ball numbers are first shaken out when lot cast, then shake out 1 blue ball number;Red ball number
By 1-33, totally 33 numbers are formed in code area, and by 1-16, totally 16 numbers are formed in blue ball number area.It announces the winners in a lottery described in the present embodiment and is
System requires to provide drawn numbers according to the twin color ball lot cast rule.
Step 2. bets module:It is 0 that initializaing variable OpenChal is arranged in intelligent contract, in the process for selling lottery ticket
In, after punter bets, intelligent contract using punter's ether mill address BetAddr, wager amounts BetAmount and
The stake time BetTime and variable OpenChal of setting carries out calculating following more new variables OpenChal:Wherein, | | it is connector,For exclusive or fortune
It calculates, H is Hash operation, H:{0,1}*→{0,1}256, indicate for the binary value of random length to be mapped as two that length is 256
Hex value.
Lottery ticket sell time in, it is any possess ether mill address use per family can with any amount of money stake arbitrarily open
Encourage number;It is all with lottery ticket choosing and selling cannot be carried out per family after lottery ticket is suspended sale of;
Step 3. is announced the winners in a lottery module:
When step 3-1. winners' announcement in lottery, intelligent contract obtains the Hash by the end of 12 blocks of time of announcing the winners in a lottery newest confirmation
Value, is calculated the challenging value announced the winners in a lottery using the value of this 12 cryptographic Hash and OpenChal;
When winners' announcement in lottery, cryptographic Hash HBlock1, HBlock2 by the end of 12 blocks of time of announcing the winners in a lottery newest confirmation are obtained,
HBlock3, HBlock4, HBlock5, HBlock6, HBlock7, HBlock8, HBlock9, HBlock10, HBlock11,
HBlock12.The challenging value announced the winners in a lottery
Step 3-2. adds filling data f after the challenging value announced the winners in a lottery, and carries out six Hash calculations;Wherein, data are filled
Initial value f=0, Hash calculation of every progress, filling data f add 1;Obtain generating 6 cryptographic Hash of twin color ball number;
Six Hash calculations:s1=H (OpenChal | | f), f=f+1, s2=H (OpenChal | | f), f=f+1, s3=H
(OpenChal | | f), f=f+1, s4=H (OpenChal | | f), f=f+1, s5=H (OpenChal | | f), f=f+1, s6=H
(OpenChal | | f), f=f+1 obtains the cryptographic Hash s of 256 bits1,s2,s3,s4,s5,s6。
By the cryptographic Hash s of 6 binary forms1,s2,s3,s4,s5,s6The remainder of modulus 33 simultaneously adds 1;Obtain 6 red balls
Number:r1=(s1Mod33)+1, r2=(s2Mod33)+1, r3=(s3Mod33)+1, r4=(s4Mod33)+1, r5=
(s5Mod33)+1, r6=(s6Mod33)+1, wherein mod is modulo operation.
If step 3-3. 6 red ball number r1,r2,r3,r4,r5,r6It is middle there are two identical numbers, then give up wherein
One number recalculates cryptographic Hash and obtains new red ball number, s7=H (Bhash | | f), f=f+1, r7=(s7mod33)
+ 1, s8=H (Bhash | | f), f=f+1, r8=(s8Mod33)+1 ..., by new red ball number and other red ball numbers
It is compared, retains if different, give up the number if they are the same, repeat aforesaid operations, it is mutually different red up to finding 6
Until chromosphere number;It is assumed that 6 twin color ball numbers for meeting condition are r1,r2,r3,r4,r5,r6。
Step 3-4. is using the challenging value OpenChal to announce the winners in a lottery as input, and the addition filling data f after the challenging value, meter
New cryptographic Hash l=H (OpenChal | | f), take the remainder of l mould 16 and add 1 to obtain digital n, n that value range is 1~16
=(lmod16)+1, then n is blue ball number in twin color ball.
Claims (6)
- A kind of method 1. welfare lottery ticket justice based on block chain is announced the winners in a lottery, which is characterized in that include the following steps:Step 1. preparation:Regulation announces the winners in a lottery, suspends sale of the time;Lottery ticket promoter disposes the intelligent contract of lottery ticket, intelligent contract packet Include stake module and module of announcing the winners in a lottery;Step 2. bets module:It is 0 that initializaing variable OpenChal is arranged in intelligent contract, during selling lottery ticket, when After one punter's stake, intelligent contract utilizes punter's ether mill address, wager amounts and the variable for betting time and setting OpenChal is as input more new variables OpenChal;Within the time that lottery ticket is sold, any user for possessing ether mill address Any drawn numbers can be bet with any amount of money;It is all with lottery ticket choosing and selling cannot be carried out per family after lottery ticket is suspended sale of;Step 3. is announced the winners in a lottery module:When winners' announcement in lottery, intelligent contract obtains 12 blocks by the end of time of announcing the winners in a lottery newest confirmation The challenging value announced the winners in a lottery is calculated using the value of this 12 cryptographic Hash and OpenChal in cryptographic Hash;Addition filling data, carry out six Hash calculations after the challenging value announced the winners in a lottery;Wherein, Hash calculation of every progress, is filled out Evidence of making up the number adds 1;Obtain generating 6 cryptographic Hash of twin color ball number;By the remainder of 6 cryptographic Hash modulus 33 and add 1;Obtain 6 Red ball number;If in 6 red ball numbers, there are two identical numbers, give up one of number, change filler According to recalculating cryptographic Hash and operated to obtain new red ball number, by new red ball number and other red ball numbers It is compared, retains if different, give up the number if they are the same, repeat aforesaid operations, it is mutually different red up to finding 6 Until chromosphere number;Using the challenging value announced the winners in a lottery as input, and the addition filling data after challenging value, it is calculated using filling data new Cryptographic Hash, the remainder of the cryptographic Hash modulus 16 simultaneously add 1, obtain 1 blue ball number.
- The method 2. the welfare lottery ticket justice according to claim 1 based on block chain is announced the winners in a lottery, which is characterized in that in step 2 The detailed process of more new variables OpenChal is:It is 0 that initializaing variable OpenChal is arranged in intelligent contract, during selling lottery ticket, when a punter bets Afterwards, intelligent contract using punter's ether mill address BetAddr, wager amounts BetAmount and is bet time BetTime and is set The variable OpenChal set carries out calculating following more new variables OpenChal:Wherein, | | it is connector,For exclusive or fortune It calculates, H is Hash operation, H:{0,1}*→{0,1}256, indicate for the binary value of random length to be mapped as two that length is 256 Hex value.
- The method 3. the welfare lottery ticket justice according to claim 2 based on block chain is announced the winners in a lottery, which is characterized in that in step 3 Calculating the process of challenging value of announcing the winners in a lottery is:When step 3-1. winners' announcement in lottery, intelligent contract obtains the cryptographic Hash by the end of 12 blocks of time of announcing the winners in a lottery newest confirmation, The challenging value announced the winners in a lottery is calculated using the value of this 12 cryptographic Hash and OpenChal;When winners' announcement in lottery, cryptographic Hash HBlock1, HBlock2 by the end of 12 blocks of time of announcing the winners in a lottery newest confirmation are obtained, HBlock3, HBlock4, HBlock5, HBlock6, HBlock7, HBlock8, HBlock9, HBlock10, HBlock11, HBlock12;The challenging value announced the winners in a lottery
- The method 4. the welfare lottery ticket justice according to claim 3 based on block chain is announced the winners in a lottery, which is characterized in that red ball Calculating process is:Step 3-2. adds filling data f after the challenging value announced the winners in a lottery, and carries out six Hash calculations;Wherein, the first of data is filled Initial value f=0, Hash calculation of every progress, filling data f add 1;Obtain generating 6 cryptographic Hash of twin color ball number;Six Hash calculations:s1=H (OpenChal | | f), f=f+1, s2=H (OpenChal | | f), f=f+1, s3=H (OpenChal | | f), f=f+1, s4=H (OpenChal | | f), f=f+1, s5=H (OpenChal | | f), f=f+1, s6=H (OpenChal | | f), f=f+1 obtains the cryptographic Hash s of 256 bits1,s2,s3,s4,s5,s6;By the cryptographic Hash s of 6 binary forms1,s2,s3,s4,s5,s6The remainder of modulus 33 simultaneously adds 1;Obtain 6 red balls number Code:r1=(s1Mod33)+1, r2=(s2Mod33)+1, r3=(s3Mod33)+1, r4=(s4Mod33)+1, r5=(s5mod33) + 1, r6=(s6Mod33)+1, wherein mod is modulo operation;If step 3-3. 6 red ball number r1,r2,r3,r4,r5,r6It is middle there are two identical numbers, then give up one of them Number recalculates cryptographic Hash and obtains new red ball number, s7=H (Bhash | | f), f=f+1, r7=(s7Mod33)+1, s8=H (Bhash | | f), f=f+1, r8=(s8Mod33)+1 ..., by new red ball number and other red ball numbers into Row compares, and retains if different, gives up the number if they are the same, repeats aforesaid operations, until finding 6 mutually different red Until ball number.
- The method 5. the welfare lottery ticket justice according to claim 4 based on block chain is announced the winners in a lottery, which is characterized in that red ball Calculating process is:Step 3-4. is using the challenging value OpenChal to announce the winners in a lottery as input, and the addition filling data f after the challenging value, calculates new Cryptographic Hash l=H (OpenChal | | f), take the remainder of l mould 16 and add 1 to obtain digital n, n=that value range is 1~16 (lmod16)+1, then n is blue ball number in twin color ball.
- The method 6. the welfare lottery ticket justice according to claim 1 based on block chain is announced the winners in a lottery, which is characterized in that be based on ether The lottery ticket needs of mill intelligence contract stop selling lottery ticket before announcing the winners in a lottery at least six minutes, announce the winners in a lottery and suspend sale of opening for time and twin color ball It encourages, suspend sale of the time and be consistent.
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