Aura NFT(ERC721) integration for wallet

It is recommend to use Horoscope, the interchain indexer for querying NFT data on Aura Network. Other interaction with the NFT contract can be executed by sending corresponding CosmWasm transaction to the network.

1. Querying NFT

Chose your API

You can choose indexer server to integrate with the wallet here

List all ERC721 asset of one address

It can be retrieved from the Horoscope like shown below:

euphoria

curl 'https://indexer-v2.staging.aurascan.io/api/v2/graphql' \
  -H 'content-type: application/json' \
  --data-raw '
  {"operationName":"MyQuery",
  "variables":{"limit":10,"address":"0x5606b4ea93f696dd82ca983baf5723d00729f127"},
  "query":"query MyQuery($address: String = \"\", $limit: Int = 10) {euphoria { erc721_token(where: {owner: {_eq: $address}}, limit: $limit) {   id   media_info }}}"}'

Detail of one ERC721 (NFT)

euphoria

curl 'https://indexer-v2.staging.aurascan.io/api/v2/graphql' \
  -H 'content-type: application/json' \
  --data-raw '{
    "operationName":"MyQuery",
    "variables":{"limit":10,"address":"0x9f075deab9a7433f0a5541d235a57db1ca491e0a","token_id":"2"},
    "query":"query MyQuery($address: String = \"\", $limit: Int = 10, $token_id: String = null) {\n  euphoria { erc721_token(   where: {erc721_contract_address: {_eq: $address}, token_id: {_eq: $token_id}}   limit: $limit ) {   id   media_info   token_id   erc721_contract_address }\n  }\n}"}'

Parse output

This is an output of get detail ERC721:

{
  "code": 200,
  "message": "Successful",
  "data": {
    "euphoria": {
      "erc721_token": [
        {
          "id": 7,
          "media_info": {
            "onchain": {
              "metadata": {
                "name": "2",
                "image": "ipfs://QmXVt7YXfwAXYPNMjaWF8udGrXt9sM7KtKptmvF6TJSvzC/2.jpg",
                "attributes": [
                  {
                    "value": "spring",
                    "trait_type": "BACKGROUND"
                  },
                  {
                    "value": "Type C",
                    "trait_type": "SKIN"
                  },
                  {
                    "value": "5",
                    "trait_type": "CLUB"
                  },
                  {
                    "value": "tech suit",
                    "trait_type": "CLOTHES"
                  },
                  {
                    "value": "high tech",
                    "trait_type": "EYES"
                  },
                  {
                    "value": "sport visor",
                    "trait_type": "HEADWEAR"
                  }
                ],
                "description": "Coffee painting is a unique art form that involves using coffee as a medium to create images and designs."
              },
              "token_uri": "https://ipfs-gw.dev.aura.network/ipfs/QmWSu1nxARKf7kPaQqFkHdfdYtWmDmfUr8RhLKoH4q42Wc/2"
            },
            "offchain": {
              "image": {
                "url": "https://nft.aurascan.io/ipfs/QmXVt7YXfwAXYPNMjaWF8udGrXt9sM7KtKptmvF6TJSvzC/2.jpg",
                "file_path": "ipfs/QmXVt7YXfwAXYPNMjaWF8udGrXt9sM7KtKptmvF6TJSvzC/2.jpg",
                "content_type": "image/jpeg"
              },
              "animation": {}
            }
          },
          "token_id": "2",
          "erc721_contract_address": "0x9f075deab9a7433f0a5541d235a57db1ca491e0a"
        }
      ]
    }
  }
}

NFT metadata are saved on onchain field. Another offchain field are:

• url: link AWS S3 for image/animation
• file_path: file path in S3 storage
• content_type: content type for that image/animation

2. Supported NFT Format

These following media types should be supported for displaying in the wallet:

Type	File Extension	Example
Image	JPG	link
Image	PNG	link
Image	GIF	link
Vector	SVG	link
Video	MP4	link
Video	WEBM	link
Audio	MP3	link
Audio	WAV	link
Audio	OGG	link
3D	GLB	link