NFT Breeding Program

Prerequisite: What is Metaplex Standard?

image from Metaplex docs

1. Initialize

• Store metaplex NFT attributes on chain
• Breeding Metadata
  • Hash
  • Generation
  • Name
  • Metaplex Mint
  • ParentA
  • ParentB
  • ...
  • AttributeA
  • AttributeB
  • ...
• Initialization is only for genesis (Generation 0)
• Change Upgrade Authority of NFT to Breeding PDA signer so that the used NFT can be burnt by Breeding program

2. Compute New Data

• Customizable Breeding Logic with compute interface
• Write attributes to BreedingMeta (PDA)

3. Mint Child NFT

• Write Metaplex metadata (without URI)
• Transfer upgrade authority to Breeding program PDA Signer
• Burn Parent NFTs(optional)
• Read attributes (off-chain)
• Upload image to web3 storage (off-chain)

4. Update URI of child NFT

• Update URI in Metaplex metadata