Lottery
Specifics:
  • Lottery Ticket Fee for 1 ticket: 1 CAKE
  • Single User Lottery Entry Limit: No overall limit, but only 50 can be bought at one time through the UI
  • Paying for one ticket will give users a random 4 digit combination with each digit being between 1-14, for e.g. “1-9-3-2”
How to win:
To win the lottery jackpot (50% of the entire lottery pool), users need to match all 4 numbers on their tickets in the same position as the 4 winning numbers.
If you don’t match all 4, no need to worry. As long as you match 2 or more numbers in the correct position, you are guaranteed to win a reward.
Winning Ratio:
  • Match all 4 numbers in the exact order = win 50% of the pot (or split the pot if more than 1 winner).
  • Match 3 numbers in the exact order = win or split 20% of the pot.
  • Match 2 numbers in the exact order = win or split 10% of the pot.
  • Burn the remaining 20% of the pot.
Please note - in the event that no participants were able to match 3 numbers on any draw, the 20% allocated to winners will then be burned accordingly.
For example, if the final 4 winning numbers are “1-9-3-2”:
  • “2-3-9-1” = match 0
  • “1-9-3-2” = match all 4
  • “1-9-2-2” = match 3
  • “2-3-3-2” = match 2
  • “1-2-1-2” = match 2
Lottery phases:
Each full lottery session is completed every 6 hours (4 per day), with the timings for each as below:
5 AM - 11 AM (SGT)
11 AM - 5 PM (SGT)
5 PM - 11 PM (SGT) - 20,000 CAKE tokens are injected into this lottery draw every day.
11 PM - 5 AM (SGT)
An example of a lottery session starting at 5 PM is below:
Phase 1 - Buy Tickets (5 PM to 10 PM)
  • You have 1 hour to buy tickets.
  • The lottery jackpot will accumulate at the top of the page with each ticket bought.
  • Users will receive a ticket (comprised of 4 digits) for each 1 CAKE paid.
Phase 2 - Lottery Draw! (10 PM)
  • The 4 winning lottery numbers are drawn and will appear on the page.
  • Each participant’s winnings will be automatically calculated based on their ticket numbers and shown on the page.
  • Users can claim winnings if they have any.
  • Users will also be able to see the lottery results: How many users matched all 4 numbers, 3 numbers and 2 numbers.
Phase 3 - Celebration and Sharing (10 PM - 11PM)
If you won, congrats! Share with your friends or in our community groups.
The next lottery starts in 1 hour!
How are ticket numbers drawn?
The lottery aims to be completely random. Even though the ticket numbers given out are determined by a front-end logic, there is an extremely low chance that anyone is able to determine the 4 winning numbers ahead of time.
  • The 1st lottery number will be determined based on the %10 remainder of a hash encoded by the blockhash and the number of participating users at the entry deadline.
  • The 2nd lottery number will be determined based on the %10 remainder of a hash encoded by the blockhash and the total pooled cake balance at the entry deadline.
  • The 3rd lottery number will be determined based on the %10 remainder of a hash encoded by the blockhash and the timestamp of the last lottery participant at the entry deadline.
  • The 4th lottery number will be determined based on the %10 remainder of a hash encoded by the blockhash and the block difficulty at the entry deadline.
For the exact code on how the above is calculated, please refer here.
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