Support CDN for NFT images

deploy/values/review/values.yaml.gotmpl

@@ -78,6 +78,7 @@ frontend:
     NEXT_PUBLIC_NAVIGATION_HIGHLIGHTED_ROUTES: "['/apps']"
     PROMETHEUS_METRICS_ENABLED: true
     NEXT_PUBLIC_OG_ENHANCED_DATA_ENABLED: true
+    NEXT_PUBLIC_HELIA_VERIFIED_FETCH_ENABLED: false
   envFromSecret:
     NEXT_PUBLIC_AUTH0_CLIENT_ID: ref+vault://deployment-values/blockscout/dev/review?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/NEXT_PUBLIC_AUTH0_CLIENT_ID
     NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID: ref+vault://deployment-values/blockscout/dev/review?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID

mocks/tokens/tokenInstance.ts

@@ -73,6 +73,7 @@ export const base: TokenInstance = {
     name: 'GENESIS #188848, 22a5f8bbb1602995. Blockchain pixel PFP NFT + "on music video" trait inspired by God',
   },
   owner: addressMock.withName,
+  thumbnails: null,
 };
 
 export const withRichMetadata: TokenInstance = {

stubs/token.ts

@@ -175,4 +175,5 @@ export const TOKEN_INSTANCE: TokenInstance = {
   },
   owner: ADDRESS_PARAMS,
   holder_address_hash: ADDRESS_HASH,
+  thumbnails: null,
 };

types/api/token.ts

@@ -51,6 +51,8 @@ export type TokenHoldersPagination = {
   value: string;
 };
 
+export type ThumbnailSize = '60x60' | '250x250' | '500x500' | 'original';
+
 export interface TokenInstance {
   is_unique: boolean;
   id: string;
@@ -60,6 +62,7 @@ export interface TokenInstance {
   external_app_url: string | null;
   metadata: Record<string, unknown> | null;
   owner: AddressParam | null;
+  thumbnails: Partial<Record<ThumbnailSize, string>> | null;
 }
 
 export interface TokenInstanceMetadataSocketMessage {

ui/shared/nft/NftImage.tsx

@@ -5,17 +5,19 @@ import { mediaStyleProps } from './utils';
 
 interface Props {
   src: string;
+  srcSet?: string;
   onLoad: () => void;
   onError: () => void;
   onClick?: () => void;
 }
 
-const NftImage = ({ src, onLoad, onError, onClick }: Props) => {
+const NftImage = ({ src, srcSet, onLoad, onError, onClick }: Props) => {
   return (
     <Image
       w="100%"
       h="100%"
       src={ src }
+      srcSet={ srcSet }
       alt="Token instance image"
       onError={ onError }
       onLoad={ onLoad }

ui/shared/nft/NftMedia.pw.tsx

@@ -72,6 +72,24 @@ test.describe('image', () => {
     await expect(page).toHaveScreenshot({ clip: { x: 0, y: 0, width: 250, height: 250 } });
   });
 
+  test('preview with thumbnails', async({ render, page, mockAssetResponse }) => {
+    const THUMBNAIL_URL = 'https://localhost:3000/my-image-250.jpg';
+    const data = {
+      animation_url: MEDIA_URL,
+      image_url: null,
+      thumbnails: {
+        '500x500': THUMBNAIL_URL,
+      },
+    } as TokenInstance;
+    await mockAssetResponse(THUMBNAIL_URL, './playwright/mocks/image_md.jpg');
+    await render(
+      <Box boxSize="250px">
+        <NftMedia data={ data }/>
+      </Box>,
+    );
+    await expect(page).toHaveScreenshot({ clip: { x: 0, y: 0, width: 250, height: 250 } });
+  });
+
   test('preview hover', async({ render, page }) => {
     const data = {
       animation_url: MEDIA_URL,

ui/shared/nft/NftMedia.tsx

@@ -64,14 +64,23 @@ const NftMedia = ({ data, className, isLoading, withFullscreen, autoplayVideo }:
       ...(withFullscreen ? { onClick: onOpen } : {}),
     };
 
-    switch (mediaInfo.type) {
+    switch (mediaInfo.mediaType) {
       case 'video': {
         return <NftVideo { ...props } src={ mediaInfo.src } autoPlay={ autoplayVideo } instance={ data }/>;
       }
       case 'html':
         return <NftHtml { ...props } src={ mediaInfo.src }/>;
-      case 'image':
+      case 'image': {
+        if (mediaInfo.srcType === 'url' && data.thumbnails) {
+          const srcSet = data.thumbnails['250x250'] && data.thumbnails['500x500'] ? `${ data.thumbnails['500x500'] } 2x` : undefined;
+          const src = (srcSet ? data.thumbnails['250x250'] : undefined) || data.thumbnails['500x500'] || data.thumbnails.original;
+          if (src) {
+            return <NftImage { ...props } src={ src } srcSet={ srcSet }/>;
+          }
+        }
+
         return <NftImage { ...props } src={ mediaInfo.src }/>;
+      }
       default:
         return null;
     }
@@ -87,13 +96,15 @@ const NftMedia = ({ data, className, isLoading, withFullscreen, autoplayVideo }:
       onClose,
     };
 
-    switch (mediaInfo.type) {
+    switch (mediaInfo.mediaType) {
       case 'video':
         return <NftVideoFullscreen { ...props } src={ mediaInfo.src }/>;
       case 'html':
         return <NftHtmlFullscreen { ...props } src={ mediaInfo.src }/>;
-      case 'image':
-        return <NftImageFullscreen { ...props } src={ mediaInfo.src }/>;
+      case 'image': {
+        const src = mediaInfo.srcType === 'url' && data.thumbnails?.original ? data.thumbnails.original : mediaInfo.src;
+        return <NftImageFullscreen { ...props } src={ src }/>;
+      }
       default:
         return null;
     }

ui/shared/nft/NftVideo.tsx

@@ -44,8 +44,9 @@ const NftVideo = ({ src, instance, autoPlay = true, onLoad, onError, onClick }:
       // otherwise, the skeleton will be shown underneath the element until the video is loaded
       onLoad();
     } catch (error) {
-      if (instance.image_url) {
-        ref.current.poster = instance.image_url;
+      const src = instance.thumbnails?.['500x500'] || instance.thumbnails?.original || instance.image_url;
+      if (src) {
+        ref.current.poster = src;
 
         // we want to call onLoad right after the poster is loaded
         // otherwise, the skeleton will be shown underneath the element until the video is loaded
@@ -54,10 +55,10 @@ const NftVideo = ({ src, instance, autoPlay = true, onLoad, onError, onClick }:
         poster.onload = onLoad;
       }
     }
-  }, [ instance.image_url, instance.metadata?.image, onLoad ]);
+  }, [ instance.image_url, instance.metadata?.image, instance.thumbnails, onLoad ]);
 
   React.useEffect(() => {
-    fetchVideoPoster();
+    !autoPlay && fetchVideoPoster();
     return () => {
       controller.current?.abort();
     };

ui/shared/nft/useNftMediaInfo.tsx

@@ -11,7 +11,7 @@ import config from 'configs/app';
 import type { ResourceError } from 'lib/api/resources';
 import useFetch from 'lib/hooks/useFetch';
 
-import type { MediaType } from './utils';
+import type { MediaType, SrcType } from './utils';
 import { getPreliminaryMediaType } from './utils';
 
 interface Params {
@@ -28,11 +28,12 @@ type TransportType = 'http' | 'ipfs';
 
 type ReturnType =
 {
-  type: MediaType;
   src: string;
+  mediaType: MediaType;
+  srcType: SrcType;
 } |
 {
-  type: undefined;
+  mediaType: undefined;
 } |
 null;
 
@@ -42,14 +43,14 @@ export default function useNftMediaInfo({ data, isEnabled }: Params): ReturnType
   const httpPrimaryQuery = useNftMediaTypeQuery(assetsData.http.animationUrl, isEnabled);
   const ipfsPrimaryQuery = useFetchAssetViaIpfs(
     assetsData.ipfs.animationUrl,
-    httpPrimaryQuery.data?.type,
-    isEnabled && (httpPrimaryQuery.data === null || Boolean(httpPrimaryQuery.data?.type)),
+    httpPrimaryQuery.data?.mediaType,
+    isEnabled && (httpPrimaryQuery.data === null || Boolean(httpPrimaryQuery.data?.mediaType)),
   );
   const httpSecondaryQuery = useNftMediaTypeQuery(assetsData.http.imageUrl, isEnabled && !httpPrimaryQuery.data && !ipfsPrimaryQuery);
   const ipfsSecondaryQuery = useFetchAssetViaIpfs(
     assetsData.ipfs.imageUrl,
-    httpSecondaryQuery.data?.type,
-    isEnabled && (httpSecondaryQuery.data === null || Boolean(httpSecondaryQuery.data?.type)),
+    httpSecondaryQuery.data?.mediaType,
+    isEnabled && (httpSecondaryQuery.data === null || Boolean(httpSecondaryQuery.data?.mediaType)),
   );
 
   return React.useMemo(() => {
@@ -72,8 +73,8 @@ function composeAssetsData(data: TokenInstance): Record<TransportType, AssetsDat
 
 // As of now we fetch only images via IPFS because video streaming has performance issues
 // Also, we don't want to store the entire file content in the ReactQuery cache, so we don't use useQuery hook here
-function useFetchAssetViaIpfs(url: string | undefined, type: MediaType | undefined, isEnabled: boolean): ReturnType | null {
-  const [ result, setResult ] = React.useState<ReturnType | null>({ type: undefined });
+function useFetchAssetViaIpfs(url: string | undefined, mediaType: MediaType | undefined, isEnabled: boolean): ReturnType | null {
+  const [ result, setResult ] = React.useState<ReturnType | null>({ mediaType: undefined });
   const controller = React.useRef<AbortController | null>(null);
 
   const fetchAsset = React.useCallback(async(url: string) => {
@@ -83,7 +84,7 @@ function useFetchAssetViaIpfs(url: string | undefined, type: MediaType | undefin
       if (response.status === 200) {
         const blob = await response.blob();
         const src = URL.createObjectURL(blob);
-        setResult({ type: 'image', src });
+        setResult({ mediaType: 'image', src, srcType: 'blob' });
         return;
       }
     } catch (error) {}
@@ -92,15 +93,15 @@ function useFetchAssetViaIpfs(url: string | undefined, type: MediaType | undefin
 
   React.useEffect(() => {
     if (isEnabled) {
-      if (config.UI.views.nft.verifiedFetch.isEnabled && type === 'image' && url && url.includes('ipfs')) {
+      if (config.UI.views.nft.verifiedFetch.isEnabled && mediaType === 'image' && url && url.includes('ipfs')) {
         fetchAsset(url);
       } else {
         setResult(null);
       }
     } else {
-      setResult({ type: undefined });
+      setResult({ mediaType: undefined });
     }
-  }, [ fetchAsset, url, type, isEnabled ]);
+  }, [ fetchAsset, url, mediaType, isEnabled ]);
 
   React.useEffect(() => {
     return () => {
@@ -114,7 +115,7 @@ function useFetchAssetViaIpfs(url: string | undefined, type: MediaType | undefin
 function useNftMediaTypeQuery(url: string | undefined, enabled: boolean) {
   const fetch = useFetch();
 
-  return useQuery<unknown, ResourceError<unknown>, ReturnType | null>({
+  return useQuery<ReturnType | null, ResourceError<unknown>, ReturnType | null>({
     queryKey: [ 'nft-media-type', url ],
     queryFn: async() => {
       if (!url) {
@@ -130,10 +131,10 @@ function useNftMediaTypeQuery(url: string | undefined, enabled: boolean) {
       const preliminaryType = getPreliminaryMediaType(url);
 
       if (preliminaryType) {
-        return { type: preliminaryType, src: url };
+        return { mediaType: preliminaryType, src: url, srcType: 'url' };
       }
 
-      const type = await (async() => {
+      const mediaType = await (async() => {
         try {
           const mediaTypeResourceUrl = route({ pathname: '/node-api/media-type' as StaticRoute<'/api/media-type'>['pathname'], query: { url } });
           const response = await fetch<{ type: MediaType | undefined }, ResourceError>(mediaTypeResourceUrl, undefined, { resource: 'media-type' });
@@ -144,14 +145,14 @@ function useNftMediaTypeQuery(url: string | undefined, enabled: boolean) {
         }
       })();
 
-      if (!type) {
+      if (!mediaType) {
         return null;
       }
 
-      return { type, src: url };
+      return { mediaType, src: url, srcType: 'url' };
     },
     enabled,
-    placeholderData: { type: undefined },
+    placeholderData: { mediaType: undefined },
     staleTime: Infinity,
   });
 }

ui/shared/nft/utils.ts

@@ -1,5 +1,7 @@
 export type MediaType = 'image' | 'video' | 'html';
 
+export type SrcType = 'url' | 'blob';
+
 const IMAGE_EXTENSIONS = [
   '.jpg', 'jpeg',
   '.png',