CN115206018B - Lottery method and lottery equipment based on block chain predictor - Google Patents
Lottery method and lottery equipment based on block chain predictor Download PDFInfo
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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
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- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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Abstract
The invention discloses a lottery method and lottery equipment based on a block chain predictor, comprising lottery sponsors and lottery participants, which comprises the following specific steps: s1, deploying an intelligent contract to a blockchain by a lottery sponsor, and determining a random source of an input blockchain predictor; s2, propaganda lottery activities are carried out under a lottery sponsor chain, and reference parameters of the maximum number of participants, the maximum number of winnings, the registration deadline, the lottery time, the lottery mode and a random source are declared and intelligent contracts are written; s3, the lottery participants participate in the activities by logging in the blockchain account before the expiration time of the registration, and a registration number is generated; s4, after the lottery sponsor takes the blockchain predictor as a parameter to input an intelligent contract, the intelligent contract generates a winning number according to the maximum number of participants, the maximum number of winnings and lottery time; s5, notifying the corresponding registered number lottery participants by the lottery sponsor according to the winning number. The lottery drawing method is combined with the text travel project, so that the entity economy is propelled, and the entity industry is energized.
Description
Technical Field
The invention belongs to the technical field of block chain predictors, and particularly relates to a lottery method and lottery equipment based on a block chain predictor.
Background
The traditional lottery method is centralized, and the lottery mechanism and the data are opaque. In recent years, there have been many studies on designing lottery methods using a blockchain technique to realize a decentralised and transparent lottery scheme. Since the blockchain is a deterministic turing machine, all distributed nodes need to agree on the state changes on the chain, requiring the transaction's computation results to be the same across all nodes. This means that the blockchain itself cannot be related to randomness. Thus, a true random source needs to be obtained from the under-chain, and then a predictor is further introduced, through which the random number obtained by the under-chain processing is uploaded to the on-chain smart contract to realize the random.
How to apply the blockchain technology in the lottery scheme in combination with the under-chain random source ensures that the lottery scheme is decentralised and transparent, and is a problem to be solved in the industry.
Disclosure of Invention
In order to solve at least one of the technical problems, the invention provides a lottery method and lottery equipment based on a block chain predictor.
The aim of the invention is achieved by the following technical scheme:
The invention provides a lottery method based on a blockchain predictor, which comprises lottery sponsors and lottery participants, and specifically comprises the following steps:
S1, deploying an intelligent contract to a blockchain by a lottery sponsor, and determining a random source of an input blockchain predictor;
S2, propaganda lottery activities are carried out under a lottery sponsor chain, and reference value parameters of the maximum number of participants, the maximum number of winnings, the registration deadline, the lottery time, the lottery mode and a random source are declared, and meanwhile, the parameters are written into an intelligent contract;
S3, the lottery participants call the intelligent contract registration function by logging in the blockchain account before the registration deadline, participate in lottery activities and generate registration numbers;
S4, after the lottery sponsor takes the blockchain predictor as a parameter to input an intelligent contract, the intelligent contract generates an winning number according to the maximum number of participants, the maximum number of winnings, lottery time and a lottery mode;
s5, notifying the corresponding registered number lottery participants by the lottery sponsor according to the winning number.
As a further improvement, the random source of the blockchain predictor is a weather parameter, and the reference parameters of the random source are reference time and reference place of the weather parameter.
As a further improvement, the block chain predictors are distributed predictors, and the random source of each of the predictors corresponds to a weather parameter of a weather center.
As a further improvement, in the step S3, when each lottery participant invokes the intelligent contract registration function, the intelligent contract accumulates the registered numbers to obtain the total number of lottery participants, and verifies whether the registered number of participants is equal to the maximum number of participants, or else, the lottery participant can continue registration, and if yes, the lottery participant registration is stopped.
As a further improvement, in the step S4, when the smart contract generates the winning number according to the maximum number of participants, the maximum number of winnings and the lottery time, the smart contract includes the following steps:
s41, acquiring weather parameters of a reference time and a reference place from different weather centers by each dialect machine through a weather route and inputting the weather parameters into an intelligent contract;
S42, the intelligent contract judges whether the number of lottery participants is larger than the maximum number of winners after the registration expiration time, otherwise, all lottery participant registration numbers are all winning numbers, and the step S5 is skipped, and if yes, the step S43 is skipped;
S43, calculating meteorological parameters of the predictors of all parties by the intelligent contract to obtain winning initial numbers, and determining all winning numbers according to the initial numbers and the maximum winning number;
As a further improvement, in the step S43, the intelligent contract calculates weather parameters of the predictors of the parties to obtain the starting numbers of winning, and determines all winning numbers according to the starting numbers and the maximum number of winning numbers, including the following steps:
S431, declaring an winning number array;
s432, the intelligent contract carries out hash calculation on meteorological parameters of the predictors of all parties to obtain hash data of a plurality of predictors;
S433, obtaining a current reference value of lottery drawing after weighting calculation is carried out on hash data of each party' S predictors;
S434, after carrying out hash calculation on the current reference value of the lottery, dividing the hash value by the total number of the lottery participation, and taking the remainder to obtain an winning number.
S435, judging whether the lottery mode is continuous number taking, if yes, starting continuous number taking by combining the winning number with the maximum winning number, storing the number into a winning number array, and jumping to step S436; otherwise, the step is a discontinuous number, and the step is skipped to the step S436;
s436, judging whether the number of data stored in the winning number group is smaller than the maximum winning number, if yes, jumping to step S437, otherwise jumping to step S438;
s437, judging whether the winning number exists in the winning number array, otherwise, storing the winning number into the winning number array, carrying out hash calculation on the lottery current reference value, taking the obtained result as the lottery current reference value of the next winning number, and jumping to the step S434; if yes, hash calculation is carried out on the lottery current reference value, the obtained result is used as the lottery current reference value of the next winning number, and the step S434 is skipped;
and S438, the data stored in the medium prize number array are all medium prize numbers.
As a further improvement, after the lottery in the step S5 is finished, the lottery participants vote on the predictors of all the parties to realize the reputation rating of the distributed predictors.
As a further improvement, in the step S3, after the lottery participants register to participate in the lottery activities, the lottery sponsor encourages the lottery participants to measure and record the weather parameters of the reference time and the reference place in real time through the measuring instrument in the participation process, so as to obtain the reputation evaluation data of the distributed predictors after voting on the predictors of all the parties.
As a further improvement, in the step S433, when the hash data of the plurality of predictors are weighted to obtain the current reference value of the lottery, the weighted specific gravity is proportional to the number of votes obtained by each of the predictors, the initial number of votes obtained by each of the predictors is 1, and for a scenario in which the plurality of predictors are N, the initial weight of each of the predictors is 1/N, and when each of the predictors votes by the lottery participants of at least one round, the weight of each of the predictors is the number of votes obtained by the predictor divided by the total number of votes obtained by all of the predictors.
The lottery method based on the block chain predictor provided by the invention comprises lottery sponsors and lottery participants, and the method comprises the following specific steps: s1, deploying an intelligent contract to a blockchain by a lottery sponsor, and determining a random source of an input blockchain predictor; s2, propaganda lottery activities are carried out under a lottery sponsor chain, and reference parameters of the maximum number of participants, the maximum number of winnings, the registration deadline, the lottery time, the lottery mode and a random source are declared, and meanwhile, the parameters are written into an intelligent contract; s3, the lottery participants call the registering function of the intelligent contract by logging in the blockchain account before registering deadlines, participate in lottery activities and generate registration numbers; s4, after the lottery sponsor takes the blockchain predictor as a parameter to input an intelligent contract, the intelligent contract generates an winning number according to the maximum number of participants, the maximum number of winnings, lottery time and a lottery mode; s5, notifying the corresponding registered number lottery participants by the lottery sponsor according to the winning number. When the intelligent lottery system is used, an intelligent contract is deployed to a blockchain by a lottery sponsor in combination with a lottery activity of a text travel item, a random source of an input blockchain predictor is determined to be a weather parameter in the text travel process, the weather parameter comprises a reference time and a reference place which are designated as the weather parameter related to the text travel item, and a maximum number of participants, a maximum winner, an entry deadline, a lottery time and a lottery mode which are declared when the text travel item is advertised under the chain, a lottery participant is a tourist of the text travel item, the tourist logs in a blockchain account before the entry deadline, participates in the lottery activity and generates a registration number by calling the entry function of the intelligent contract, and after the blockchain predictor is used as the parameter to input the intelligent contract, the intelligent contract is informed of the corresponding registration number of the tourist according to the maximum number of participants, the lottery time and the lottery mode, so that the lottery is acquired by the corresponding registration number of the tourist, the method based on the blockchain technology is combined with the text travel item, and the entity is realized, and the economic circulation function is realized under the random source of the blockchain.
The invention also provides lottery equipment, which comprises a memory and a processor, wherein the memory is used for storing a lottery program and related data; the processor is used for executing lottery drawing programs; the lottery program includes a blockchain predictor-based lottery method as in any one of claims 1 to 9. Because the above technical content is adopted, the lottery drawing method based on the blockchain predictor has the same or corresponding technical effects, and therefore, the description is not repeated.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a flow chart of the present invention for generating an medal.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the present application will be described in further detail with reference to the accompanying drawings and the specific embodiments, and it should be noted that the embodiments of the present application and features in the embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present invention provides a lottery method based on a blockchain predictor, including a lottery sponsor and a lottery participant, where the lottery method of the present embodiment combines a lottery activity of a text travel item so as to play a role in promoting entity economy and energize entity industry, and specifically includes the following steps:
S1, deploying an intelligent contract to a blockchain by a lottery sponsor, determining that a random source of an input blockchain predictor is a meteorological parameter, wherein the meteorological parameter is acquired from a meteorological center through a meteorological route, the blockchain predictor can be a distributed predictor, the random source of each party predictor corresponds to the meteorological parameter of one meteorological center, the distributed predictor in the blockchain corresponds to five random sources, and the meteorological parameters of the random sources are acquired from a national meteorological office and other meteorological data center mechanisms.
S2, propaganda lottery activities under a lottery sponsor chain, and declaring the maximum number of participants, the maximum number of winnings, the registration deadline, the lottery time, the lottery mode and reference values of a random source, wherein the lottery mode in the embodiment comprises two types of continuous number taking and discontinuous number taking, the reference parameters of the random source are the reference time and the reference place of the meteorological parameters, and the random source of each party' S predictor is ensured to have the same time and the same place when acquiring the meteorological parameters.
S3, the lottery participants log in the blockchain account before the expiration time of the registration, call the intelligent contract registration function, participate in lottery activities and generate registration numbers for lottery later exchange identification, each lottery participant logs in the blockchain account before the expiration time of the registration, and then the number of the lottery participants is accumulated to obtain the total number of lottery participants, and meanwhile, whether the number of the lottery participants is equal to the maximum number of the participants is verified, otherwise, the lottery participants can continue to register, and if so, the lottery participants are stopped from registering. After the lottery participants register to participate in the lottery activities, the lottery sponsor encourages the lottery participants to measure and record the weather parameters of the reference time and the reference place in real time through a measuring instrument in the participation process, the measuring instrument can be in a form provided by sponsor of the lottery sponsor, and the measuring instrument is used for voting the predictors of all parties after the lottery is finished, so that the activity participation degree of the lottery participants is improved, meanwhile, the pleasure of the text traveling process is improved, and the lottery sponsor obtains reputation evaluation data of the distributed predictors so as to improve the accuracy and reliability of random source data of the predictors in the next lottery.
S4, after the block chain predictor is used as a parameter and input into the intelligent contract by the lottery sponsor, when the multi-party predictor is used as the parameter, the intelligent contract generates a secondary lottery number according to the maximum number of participants, the maximum number of winnings, lottery time and lottery mode, and the specific steps are as follows:
S41, each dialect machine acquires weather parameters of reference time and reference place from different weather centers through weather routes and inputs the weather parameters into an intelligent contract, wherein the weather parameters comprise various data such as temperature, air pressure, humidity, wind direction, wind speed, ultraviolet rays and the like;
S42, the intelligent contract judges whether the number of lottery participants is larger than the maximum number of winners after the registration expiration time, otherwise, all lottery participant registration numbers are all winning numbers, and the step S5 is skipped, and if yes, the step S43 is skipped;
S43, calculating meteorological parameters of the predictors of all parties by the intelligent contract to obtain winning initial numbers, and determining all winning numbers according to the initial numbers and the maximum winning number, wherein the method comprises the following specific steps of:
s431, declaring a winning number group for storing all winning numbers;
S432, the intelligent contract carries out hash calculation on weather parameters of the predictors of all parties by using a sha256 algorithm, then outputs hash data of a plurality of predictors, wherein the sha256 algorithm is a hash function, the function compresses the weather parameters into abstracts, mixes the data in a messy way, re-creates a hash value, reduces the data quantity, fixes the format of the data, and the hash value is represented by a character string consisting of short random letters and numbers and is 256-bit binary data;
S433, carrying out weighted calculation on hash data of each side predictor to obtain a current reference value of lottery drawing, firstly converting 256-bit binary data of each side predictor into decimal data when carrying out weighted calculation, multiplying the value of each digit of the binary data by the bit weight when converting the binary data into the decimal data, and then adding the multiplied results to obtain the decimal data. Regarding the weighted proportion, the initial values of the predictors of all the parties are 1, and for the scenes of a plurality of predictors N, the initial weights are 1/N;
S434, dividing the current reference value of the lottery by the total number of lottery participants, and taking the remainder to obtain a winning number, wherein the winning number corresponds to the registration number held by the lottery participants.
S435, judging whether the lottery mode is continuous number taking, if yes, starting continuous number taking by combining the winning number with the maximum winning number and storing the number into a winning number group, if the winning number is 13 and the maximum winning number is 3, if the winning number is {13, 14, 15}, jumping to step S436; otherwise, the discontinuous number taking is carried out, and the step S436 is carried out, wherein the discontinuous number taking can lead lottery participants to feel more careful attitudes of lottery sponsors on lottery activities, and lottery participation experience is better;
S436, judging whether the number of data stored in the winning number array is smaller than the maximum number of winnings, if yes, indicating that the maximum number of winnings is not reached in the winning number array, and continuing to draw out the next winning number, so that the step S437 is skipped, otherwise, indicating that the maximum number of winnings is included in the winning number array, so that the step S438 is skipped;
S437, judging whether the winning number exists in the winning number array, otherwise, indicating that the winning number array does not have the same number as the winning number, storing the winning number into the winning number array, carrying out hash calculation on the lottery current reference value by using a sha256 algorithm, taking the obtained result as the lottery current reference value of the next winning number, and jumping to step S434; if yes, it indicates that the number identical to the winning number exists in the winning number array, the current lottery reference value is hashed by using the sha256 algorithm, and the obtained result is used as the current lottery reference value of the next winning number, and the process goes to step S434. After the step S434, when steps S434, S435, and S436 are executed, the step S438 is skipped until the number of data held in the winning number group of step S436 is equal to the maximum number of winners.
And S438, the data stored in the medium prize number array are all medium prize numbers.
S5, notifying the corresponding registered number lottery participants by the lottery sponsor according to the winning number.
As a further preferable implementation manner, after the lottery in the step S5 is finished, the lottery participants vote on the predictors of all the parties to realize the reputation evaluation of the distributed predictors, and the voting can be in the form of off-line encouragement so as to improve the participation degree of the lottery participants.
As a further preferred embodiment, in the step S433, when the hash data of the plurality of predictors are weighted to obtain the current reference value of the lottery, the weighted proportion is proportional to the number of votes obtained by the predictors of each party, and it is determined whether there is reputation evaluation data of the distributed predictors, otherwise, it means that a similar lottery activity is not held before the sponsor of the lottery, no voting data for a random source of predictors is present for the first lottery activity, the initial number of votes obtained by each predictor of each party is 1, and for the scenes of the plurality of predictors N, each initial weight is 1/N; and if so, the weight of each predictor is the number of votes obtained by the predictor divided by the total number of votes obtained by all predictors after each predictor passes through at least one round of tourist voting.
The embodiment of the invention also provides lottery drawing equipment, which comprises a memory and a processor, wherein the memory is used for storing a lottery drawing program and related data; the processor is used for executing lottery programs. The lottery device in this embodiment may be a computer. The lottery procedure includes any one embodiment of a lottery method based on a blockchain predictor, and the combination between the embodiments without collision should have the same or corresponding working principle and the same or corresponding technical effect of the lottery method based on the blockchain predictor, which will not be described herein.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than as described herein, and therefore should not be construed as limiting the scope of the present invention.
In summary, while the above-described preferred embodiments have been described, it should be noted that although various changes and modifications can be made by those skilled in the art, it is intended that such changes and modifications be included within the scope of the present invention unless they depart from the scope of the present invention.
Claims (4)
1. The lottery method based on the block chain predictor is characterized by comprising lottery sponsors and lottery participants, and comprises the following specific steps of:
S1, deploying an intelligent contract to a blockchain by a lottery sponsor, and determining a random source of an input blockchain predictor;
S2, propaganda lottery activities are carried out under a lottery sponsor chain, and reference parameters of the maximum number of participants, the maximum number of winnings, the registration deadline, the lottery time, the lottery mode and a random source are declared, and meanwhile, the parameters are written into an intelligent contract;
S3, the lottery participants call the intelligent contract registration function by logging in the blockchain account before the registration deadline, participate in lottery activities and generate registration numbers;
S4, after the lottery sponsor takes the blockchain predictor as a parameter to input an intelligent contract, the intelligent contract generates an winning number according to the maximum number of participants, the maximum number of winnings, lottery time and a lottery mode;
wherein, in the step S4, the method includes:
s41, acquiring weather parameters of a reference time and a reference place from different weather centers by each dialect machine through a weather route and inputting the weather parameters into an intelligent contract;
S42, the intelligent contract judges whether the number of lottery participants is larger than the maximum number of winners after the registration expiration time, otherwise, all lottery participant registration numbers are all winning numbers, and the step S5 is skipped, and if yes, the step S43 is skipped;
S43, calculating meteorological parameters of the predictors of all parties by the intelligent contract to obtain winning initial numbers, and determining all winning numbers according to the initial numbers and the maximum winning number;
In the step S43, it includes:
S431, declaring an winning number array;
s432, the intelligent contract carries out hash calculation on meteorological parameters of the predictors of all parties to obtain hash data of a plurality of predictors;
S433, obtaining a current reference value of lottery drawing after weighting calculation is carried out on hash data of each party' S predictors;
S434, dividing the current benchmark value of the lottery by the total number of lottery participation, and then taking the remainder to obtain an winning number;
S435, judging whether the lottery mode is continuous number taking, if yes, starting continuous number taking by combining the winning number with the maximum winning number, storing the number into a winning number array, and jumping to step S436; otherwise, the number is discontinuously fetched, and the step S436 is skipped;
s436, judging whether the number of data stored in the winning number group is smaller than the maximum winning number, if yes, jumping to step S437, otherwise jumping to step S438;
s437, judging whether the winning number exists in the winning number array, otherwise, storing the winning number into the winning number array, carrying out hash calculation on the lottery current reference value, taking the obtained result as the lottery current reference value of the next winning number, and jumping to the step S434; if yes, hash calculation is carried out on the lottery current reference value, the obtained result is used as the lottery current reference value of the next winning number, and the step S434 is skipped;
S438, the data stored in the medium prize number array are all medium prize numbers;
s5, notifying the corresponding registered number lottery participants by the lottery sponsor according to the winning number;
In the step S3, after the lottery participants register to participate in the lottery activities, lottery sponsors encourage the lottery participants to measure and record the meteorological parameters of the reference moment and the reference place in real time through a measuring instrument in the participation process, so as to obtain reputation evaluation data of the distributed predictors after voting on the predictors of all the parties;
After the lottery in the step S5 is finished, voting is carried out on the predictors of all the parties by lottery participants so as to realize the reputation evaluation of the distributed predictors;
the random source of the block chain predictor is a meteorological parameter, and the reference parameter of the random source is the reference time and the reference place of the meteorological parameter; the block chain predictors are distributed predictors, and random sources of the predictors of all the parties correspond to weather parameters of a weather center.
2. The lottery method based on the blockchain predictor as in claim 1, wherein in the step S3, each lottery participant obtains a total number of lottery participants after the intelligent contract performs the accumulation of the registered number when the intelligent contract registration function is invoked, and verifies whether the registered number of participants is equal to the maximum number of participants, otherwise, the lottery participant can continue the registration, and if so, the lottery participant registration is stopped.
3. The method for drawing a lottery based on a blockchain predictor as in claim 1, wherein in the step S433, when the hash data of each predictor is weighted to obtain the current reference value of the lottery, the weighted specific gravity is proportional to the number of votes obtained by each predictor, the initial number of votes obtained by each predictor is 1, for a scenario in which a plurality of predictors are N, the initial weight of each predictor is 1/N, and when each predictor passes through at least one round of votes of lottery participants, the weight of each predictor is the number of votes obtained by the predictor divided by the total number of votes obtained by all predictors.
4. A lottery device comprising a memory and a processor, the memory for storing a lottery program and associated data; the processor is used for executing lottery drawing programs; the lottery program includes a blockchain predictor-based lottery method as in any one of claims 1 to 3.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110910559A (en) * | 2019-11-25 | 2020-03-24 | 杭州趣链科技有限公司 | Lottery drawing method based on block chain |
| CN113449342A (en) * | 2020-03-27 | 2021-09-28 | 山东浪潮质量链科技有限公司 | Random number prediction machine implementation method, equipment and medium based on block chain |
| CN114066436A (en) * | 2021-11-30 | 2022-02-18 | 上海对外经贸大学 | Block chain stable currency supervision system based on prediction machine and implementation method thereof |
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