methleshkoshle / three-party-lottery-protocol-using-ethereum

This project implements TPLP using Ethereum (Blockchain)

Three-Party-Lottery-Protocol-Using-Ethereum

This project implements TPLP using Ethereum (Blockchain), written in solidity Description of functions used:

1. Constructor

• Some user say(user_1) press deploy button, along with the value of initial money each user will have.
• Each user gets initial account balance=V(entered in deploy).
• This user is the owner or starter of the lottery.

2. getRandomLotteryTicket

• This function returns a random number between [1, 1000]

3. init_user

• This function assigns the calling user to one of the users user_1, user_2 and user_3

4. buyTicketUser(price)

• Using this function each user buys a lottery ticket by paying the price(10$).
• Each user pays price for the ticket

5. send_A_B(amount)

• Using this function user A sends 'amount' money to the user B.

6. getBalU

• Using this function each user checks his current account balance.

7. getNumberU

• Using this function each user checks his lottery number, allotted to her/him.

8. getWinnerRandomly

• This function returns a random number from lottery numbers{L1, L2, L3}.

9. startLottery

• Owner starts the lottery.
• Calculates the hash of the winner's lottery number.

10. checU(lottery number)

• Using this function a user checks if his/lottery number equals to the winner's lottery number or not.

11. endTheLottery

• The owner of the lottery calls this function to check if the winner of the lottery was found successfully.
• Otherwise the lottery ticket price is refunded to the users.