add types for core assets

Author: nhanphan

clients/js/README.md

@@ -37,6 +37,10 @@ Examples are provided [here](#examples)  and you can learn more about this libra
 > **Note**
 > The plugin can be used with any RPC that supports the Metaplex DAS API specification. You might need to contact your RPC provider to "enable" the Metaplex DAS API on your endpoint.
 
+## Working with `mpl-core`
+
+Core assets and collections are also indexed by DAS. It is recommended to use this package in conjunction with the [mpl-core-das](http://github.com/metaplex-foundation/mpl-core-das) if you are working with Core assets.
+
 ## Methods
 
 > 💡 You can test each method of the API using the [OpenRPC playground](https://playground.open-rpc.org/?url=https://raw.githubusercontent.com/metaplex-foundation/digital-asset-standard-api/main/specification/metaplex-das-api.json).

clients/js/src/types.ts

@@ -216,6 +216,44 @@ export type DasApiAsset = {
    * Indicates whether the asset is burnt or not.
    */
   burnt: boolean;
+} & DasApiCoreAssetFields;
+
+/**
+ * Optional fields on an asset if the interface is for Core (i.e. interface is 'MplCoreAsset' or 'MplCoreCollection')
+ * It is recommended to use the mpl-core-das package along with this one to convert the types
+ * to be consistent with mpl-core (e.g. AssetV1)
+ */
+export type DasApiCoreAssetFields = {
+  /**
+   * Plugins active on the asset or collection
+   */
+  plugins?: Record<string, any>;
+  /**
+   * External plugins active on the asset or collection
+   */
+  external_plugins?: Record<string, any>[];
+  /**
+   * Plugins on asset that were unknown at the time of indexing.
+   * Contact your DAS provider to update their core indexing version if this field is being populated.
+   * If you have a newer version of mpl-core-das installed, that library will also try to deserialize the plugin
+   */
+  unknown_plugins?: Record<string, any>[];
+  /**
+   * Additional fields that are indexed for Core assets or collections
+   */
+  mpl_core_info?: {
+    /**
+     * Number of assets minted to this collection
+     * Only applicable for collections
+     */
+    num_minted?: number;
+    /**
+     * Current number of assets in this collection
+     * Only applicable for collections
+     */
+    current_size?: number;
+    plugins_json_version: number;
+  };
 };
 
 /**
@@ -296,7 +334,9 @@ export type DasApiAssetInterface =
   | 'Custom'
   | 'Identity'
   | 'Executable'
-  | 'ProgrammableNFT';
+  | 'ProgrammableNFT'
+  | 'MplCoreAsset'
+  | 'MplCoreCollection';
 
 export type DasApiAssetContent = {
   json_uri: string;