Return category if present in downloaded offchain metadata

[danenbm]

Notes

When downloading offchain metadata, usually 'category' is present and historically helps marketplaces and other users determine how to display the content.

• This PR will add the category to the content RPC response if its present. Requested from DevRel/community.
• It will only return the category if present. That is, if category isn't saved, it will not return a category key with empty value.

Testing

# Use account forwarder (change to send to normal ACCOUNT_STREAM)
cd tools/acc_forwarder

# token mint
cargo run -- --redis-url 'redis://localhost/' --rpc-url 'https://api.mainnet-beta.solana.com' single --account ESSZcWiH5QdPEDmKMi82PDbTnn6eSmuvVArSmCjNUMD5

# metadata 
cargo run -- --redis-url 'redis://localhost/' --rpc-url 'https://api.mainnet-beta.solana.com' single --account CcXXBEtiziP74VUcKtxWA6SCdiGj4Y9UXYGxVJ7EBo3L

curl --request POST --url 'http://localhost:9090' --header 'Content-Type: application/json' --data '{
    "jsonrpc": "2.0",
    "method": "getAsset",
    "params": [
      "ESSZcWiH5QdPEDmKMi82PDbTnn6eSmuvVArSmCjNUMD5"
    ],
    "id": 0
}' | jq

Result

{
  "jsonrpc": "2.0",
  "result": {
    "interface": "ProgrammableNFT",
    "id": "ESSZcWiH5QdPEDmKMi82PDbTnn6eSmuvVArSmCjNUMD5",
    "content": {
      "$schema": "https://schema.metaplex.com/nft1.0.json",
      "json_uri": "https://madlads.s3.us-west-2.amazonaws.com/json/1160.json",
      "files": [
        {
          "uri": "https://madlads.s3.us-west-2.amazonaws.com/images/1160.png",
          "mime": "image/png"
        },
        {
          "uri": "https://arweave.net/qJ5B6fx5hEt4P7XbicbJQRyTcbyLaV-OQNA1KjzdqOQ/1160.png",
          "mime": "image/png"
        }
      ],
      "metadata": {
        "attributes": [
          {
            "value": "Male",
            "trait_type": "Gender"
          },
          {
            "value": "Light",
            "trait_type": "Type"
          },
          {
            "value": "Serious",
            "trait_type": "Expression"
          },
          {
            "value": "Kent",
            "trait_type": "Hair"
          },
          {
            "value": "Green",
            "trait_type": "Eyes"
          },
          {
            "value": "Priest",
            "trait_type": "Clothing"
          },
          {
            "value": "Yellow",
            "trait_type": "Background"
          }
        ],
        "description": "Fock it.",
        "name": "Mad Lads #1160",
        "symbol": "MAD",
        "token_standard": "ProgrammableNonFungible"
      },
      "links": {
        "image": "https://madlads.s3.us-west-2.amazonaws.com/images/1160.png",
        "external_url": "https://madlads.com"
      },
      "category": "image"
    },
    "authorities": [
      {
        "address": "2RtGg6fsFiiF1EQzHqbd66AhW7R5bWeQGpTbv2UMkCdW",
        "scopes": [
          "full"
        ]
      }
    ],
    "compression": {
      "eligible": false,
      "compressed": false,
      "data_hash": "",
      "creator_hash": "",
      "asset_hash": "",
      "tree": "",
      "seq": 0,
      "leaf_id": 0
    },
    "grouping": [
      {
        "group_key": "collection",
        "group_value": "J1S9H3QjnRtBbbuD4HjPV6RpRhwuk4zKbxsnCHuTgh9w"
      }
    ],
    "royalty": {
      "royalty_model": "creators",
      "target": null,
      "percent": 0.042,
      "basis_points": 420,
      "primary_sale_happened": true,
      "locked": false
    },
    "creators": [
      {
        "address": "5XvhfmRjwXkGp3jHGmaKpqeerNYjkuZZBYLVQYdeVcRv",
        "share": 0,
        "verified": true
      },
      {
        "address": "2RtGg6fsFiiF1EQzHqbd66AhW7R5bWeQGpTbv2UMkCdW",
        "share": 100,
        "verified": true
      }
    ],
    "ownership": {
      "frozen": false,
      "delegated": false,
      "delegate": null,
      "ownership_model": "single",
      "owner": ""
    },
    "supply": {
      "print_max_supply": 0,
      "print_current_supply": 0,
      "edition_nonce": 254
    },
    "mutable": true,
    "burnt": false
  },
  "id": 0
}

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Summary by CodeRabbit

• New Features

  • Added a new optional "category" field to digital asset content, which is now extracted from asset metadata and included in API responses.

• Chores

  • Updated Rust toolchain and Docker images to version 1.82 for all services.

• Refactor

  • Removed the "metaplex-rpc-proxy" component and all related build scripts, configuration files, and service definitions from the project. This includes its Dockerfiles, workspace references, deployment configurations, and supporting scripts.

Walkthrough

This change removes the metaplex-rpc-proxy component from the project, including its source code, configuration, Dockerfile, build scripts, and deployment references. It also updates the Rust toolchain and Dockerfile base images from version 1.81 to 1.82 across all services. Additionally, the Content struct is extended with a new optional category field, and related extraction logic is updated.

Changes

File(s) / Group	Change Summary
metaplex-rpc-proxy/ (all files)	Entire directory deleted, including Rust source, Cargo.toml, Makefile, and Envoy config.
Proxy.Dockerfile	Deleted Dockerfile for building and packaging the proxy WASM module with Envoy.
docker-compose.yaml	Removed the proxy service definition and its configuration.
skaffold.yaml	Removed build and deployment configuration for the proxy image.
build-all.sh, update-version.sh	Removed build and version update steps for metaplex-rpc-proxy.
Cargo.toml	Removed metaplex-rpc-proxy from workspace members and related dependencies.
Api.Dockerfile, Builder.Dockerfile,	Updated Rust base image from 1.81 to 1.82.
Ingest.Dockerfile, Load.Dockerfile,
Migrator.Dockerfile, rust-toolchain.toml
digital_asset_types/src/rpc/asset.rs	Added optional category field to Content struct.
digital_asset_types/src/dapi/common/asset.rs	Updated v1_content_from_json to extract and return the category field.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant API

    Client->>API: Request (with JSON metadata)
    API->>API: v1_content_from_json parses metadata
    API->>API: Extracts files, metadata, links, and category
    API-->>Client: Response (Content struct with optional category)

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