Add match rate to block page

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

@@ -110,6 +110,13 @@
                   </span>
                   </td>
                 </tr>
+                <tr *ngIf="indexingAvailable">
+                  <td i18n="block.health">Block health</td>
+                  <td>
+                    <a *ngIf="block.extras?.matchRate != null" [routerLink]="['/block-audit/' | relativeUrl, blockHash]">{{ block.extras.matchRate }}%</a>
+                    <span *ngIf="block.extras?.matchRate == null" i18n="unknown">Unknown</span>
+                  </td>
+                </tr>
               </ng-template>
             </tbody>
           </table>

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

@@ -47,6 +47,7 @@ export class BlockComponent implements OnInit, OnDestroy {
   transactionsError: any = null;
   overviewError: any = null;
   webGlEnabled = true;
+  indexingAvailable = false;
 
   transactionSubscription: Subscription;
   overviewSubscription: Subscription;
@@ -86,6 +87,9 @@ export class BlockComponent implements OnInit, OnDestroy {
       this.timeLtr = !!ltr;
     });
 
+    this.indexingAvailable = (this.stateService.env.BASE_MODULE === 'mempool' &&
+      this.stateService.env.MINING_DASHBOARD === true);
+
     this.txsLoadingStatus$ = this.route.paramMap
       .pipe(
         switchMap(() => this.stateService.loadingIndicators$),