makeLookup: Allow for key of zero

ts/sql/Client.ts

@@ -203,6 +203,7 @@ const dataInterface: ClientInterface = {
   getAllStickerPacks,
   getAllStickers,
   getRecentStickers,
+  clearAllErrorStickerPackAttempts,
 
   updateEmojiUsage,
   getRecentEmojis,
@@ -1333,6 +1334,9 @@ async function getRecentStickers() {
 
   return recentStickers;
 }
+async function clearAllErrorStickerPackAttempts() {
+  await channels.clearAllErrorStickerPackAttempts();
+}
 
 // Emojis
 async function updateEmojiUsage(shortName: string) {

ts/sql/Interface.ts

@@ -169,6 +169,7 @@ export type DataInterface = {
   getRecentStickers: (options?: {
     limit?: number;
   }) => Promise<Array<StickerType>>;
+  clearAllErrorStickerPackAttempts: () => Promise<void>;
 
   updateEmojiUsage: (shortName: string, timeUsed?: number) => Promise<void>;
   getRecentEmojis: (limit?: number) => Promise<Array<EmojiType>>;

ts/sql/Server.ts

@@ -180,6 +180,7 @@ const dataInterface: ServerInterface = {
   getAllStickerPacks,
   getAllStickers,
   getRecentStickers,
+  clearAllErrorStickerPackAttempts,
 
   updateEmojiUsage,
   getRecentEmojis,
@@ -3465,6 +3466,13 @@ async function updateStickerPackStatus(
     }
   );
 }
+async function clearAllErrorStickerPackAttempts(): Promise<void> {
+  const db = getInstance();
+
+  await db.run(
+    "UPDATE sticker_packs SET downloadAttempts = 0 WHERE status = 'error';"
+  );
+}
 async function createOrUpdateSticker(sticker: StickerType) {
   const db = getInstance();
   const {