Move block audit cache to apiService

frontend/src/app/components/block/block.component.ts

@@ -295,7 +295,6 @@ export class BlockComponent implements OnInit, OnDestroy {
             ),
           !this.isAuditAvailableFromBlockHeight(block.height) ? of(null) : this.apiService.getBlockAudit$(block.id)
             .pipe(
-              tap(() => this.cacheService.setBlockAuditLoaded(block.id)),
               catchError((err) => {
                 this.overviewError = err;
                 return of(null);

frontend/src/app/components/tracker/tracker.component.ts

@@ -322,7 +322,6 @@ export class TrackerComponent implements OnInit, OnDestroy {
             })
           ),
           fetchAudit ? this.apiService.getBlockAudit$(hash).pipe(
-            tap((blockAudit) => this.cacheService.setBlockAuditLoaded(hash)),
             map(audit => {
               const isAdded = audit.addedTxs.includes(txid);
               const isPrioritized = audit.prioritizedTxs.includes(txid);

frontend/src/app/components/transaction/transaction.component.ts

@@ -366,7 +366,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         const fetchAudit = auditAvailable && !isCoinbase;
         if (fetchAudit) {
         // If block audit is already cached, use it to get transaction audit
-          const blockAuditLoaded = this.cacheService.getBlockAuditLoaded(hash);
+          const blockAuditLoaded = this.apiService.getBlockAuditLoaded(hash);
           if (blockAuditLoaded) {
             return this.apiService.getBlockAudit$(hash).pipe(
               map(audit => {

frontend/src/app/services/api.service.ts

@@ -18,6 +18,7 @@ export class ApiService {
   private apiBasePath: string; // network path is /testnet, etc. or '' for mainnet
 
   private requestCache = new Map<string, { subject: BehaviorSubject<any>, expiry: number }>;
+  public blockAuditLoaded: { [hash: string]: boolean } = {};
 
   constructor(
     private httpClient: HttpClient,
@@ -370,6 +371,7 @@ export class ApiService {
   }
 
   getBlockAudit$(hash: string) : Observable<BlockAudit> {
+    this.setBlockAuditLoaded(hash);
     return this.httpClient.get<BlockAudit>(
       this.apiBaseUrl + this.apiBasePath + `/api/v1/block/${hash}/audit-summary`
     );
@@ -533,4 +535,13 @@ export class ApiService {
       this.apiBaseUrl + this.apiBasePath + '/api/v1/accelerations/total' + (queryString?.length ? '?' + queryString : '')
     );
   }
+
+  // Cache methods
+  async setBlockAuditLoaded(hash: string) {
+    this.blockAuditLoaded[hash] = true;
+  }
+
+  getBlockAuditLoaded(hash) {
+    return this.blockAuditLoaded[hash];
+  }
 }

frontend/src/app/services/cache.service.ts

@@ -20,7 +20,6 @@ export class CacheService {
   network: string;
   blockHashCache: { [hash: string]: BlockExtended } = {};
   blockCache: { [height: number]: BlockExtended } = {};
-  blockAuditLoaded: { [hash: string]: boolean } = {};
   blockLoading: { [height: number]: boolean } = {};
   copiesInBlockQueue: { [height: number]: number } = {};
   blockPriorities: number[] = [];
@@ -98,10 +97,6 @@ export class CacheService {
     }
   }
 
-  async setBlockAuditLoaded(hash: string) {
-    this.blockAuditLoaded[hash] = true;
-  }
-
   // increase the priority of a block, to delay removal
   bumpBlockPriority(height) {
     this.blockPriorities.push(height);
@@ -129,7 +124,7 @@ export class CacheService {
   resetBlockCache() {
     this.blockHashCache = {};
     this.blockCache = {};
-    this.blockAuditLoaded = {};
+    this.apiService.blockAuditLoaded = {};
     this.blockLoading = {};
     this.copiesInBlockQueue = {};
     this.blockPriorities = [];
@@ -138,8 +133,4 @@ export class CacheService {
   getCachedBlock(height) {
     return this.blockCache[height];
   }
-
-  getBlockAuditLoaded(hash) {
-    return this.blockAuditLoaded[hash];
-  }
 }