Merge branch 'develop' into token/improvements

Author: CJ42

constants.ts

@@ -118,7 +118,7 @@ export type LSP4DigitalAssetMetadata = {
   images: ImageMetadata[][];
   assets: AssetMetadata[];
   icon: ImageMetadata[];
-  attributes: AttributeMetadata[];
+  attributes?: AttributeMetadata[];
 };
 
 export type AttributeMetadata = {
@@ -145,10 +145,17 @@ export type LinkMetadata = {
   url: string;
 };
 
-export type AssetMetadata = {
-  verification?: Verification;
+export type AssetMetadata = AssetFile | DigitalAsset;
+
+export type AssetFile = {
   url: string;
-  fileType: string;
+  verification?: Verification;
+  fileType?: string;
+};
+
+export type DigitalAsset = {
+  address: string;
+  tokenId?: string;
 };
 
 /**