Smart contract created on Ride for Waves Ducks game. Created for https://wavesducks.com.
This collection of smart contracts implement following functionality:
1: Ducks Incubator - exchange EGG tokens to a new genesis NFT-duck
2: Ducks Breeder - breed 2 NFT-ducks to get a new one that combines genes of its parents
3: Ducks Auction - marketplace for buying/selling NFT-ducks
4: Ducks Farming - NFT staking with EGG rewards