We would like to publish our collection on OpenSea, the artwork is done, and would like to do so using Haslips' smart contract. This smart contract already has a similar thing that we are looking for, but it reveals all NFTs.
What do I need to do if I want the image to be revealed every time the user buys one? We have a great cover image that would show until the NFT is bought. So the users on OpenSea would see the collection with this "not revealed" image, but when they buy one, the NFT is revealed.
I am also open for suggestions if this would not be feasible or would become too expensive or if it's not user/blockchain friendly.
Thank you for your help and suggestions