Fully Automatic System

Chainlink Automation is used as the solution to make lottery game can run endlessly.

Basically, Lottery Smart Contract is Keeper-compatible. -> Upkeep on BSC

“performUpkeep” function in Lottery Smart Contract is designed to:

• Change state of a round: Start -> Active -> End

• Round state is Start: proceed to transfer tokens from Auto Pool to Lottery Pool based on settings in Auto Pool of players.

• Round state is End:

  • Recalculate tickets of players, reset Hold Tickets to zero if they do not hold enough token as recognized in the first deposit.

  • Call to Chainlink VRF to get randomness numbers

  • Find winners based on random numbers

  • Reward the prize winners

  • Initialize new round