oct-poap

The purpose of this contract is to mint NFT to proof of attendance for octopus community activities.

Terminology

• owner: The owner of this contract. Some interfaces can only be called by owner.
• activity: An activity created by activity creator. An activity has a token metadata and some nfts, all of nfts will use this token metadata.
• creator: An creator can create lots of activities, and mint nfts for participants of the activity.
• creator whitelist: Only owner can add or remove creators in whitelist. Only accounts in whitelist are creators.