Make Picture NFT

Contract MakePicNFT inherit from ERC721URIStorage, which has a URI to store additional information. This project provide a web page to input information and upload a picture, and then call to mint.

Deployed:

• https://make-pic-nft-app.vercel.app/

The contract MakePicNFT: https://github.com/maxyou/MakePicNFT-Contract

How it works

1. Run js-ipfs node in your browser.
2. Write picture into ipfs by js-ipfs node.
3. Construct a JSON according to OpenSea format, with picture ipfs address.
4. Write this JSON into ipfs by js-ipfs node.
5. Call contract function to mint a NFT, with the JSON address as params.

Defect

The picture and JSON are not pinned in ipfs. I'm not sure if OpenSea cache this files, and what will happen in the future.

Screenshot