Replace acceleration API polling with websocket

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

@@ -33,6 +33,7 @@ export class WebsocketService {
   private isTrackingRbfSummary = false;
   private isTrackingAddress: string | false = false;
   private isTrackingAddresses: string[] | false = false;
+  private isTrackingAccelerations: boolean = false;
   private trackingMempoolBlock: number;
   private latestGitCommit = '';
   private onlineCheckTimeout: number;
@@ -132,6 +133,9 @@ export class WebsocketService {
           if (this.isTrackingAddresses) {
             this.startTrackAddresses(this.isTrackingAddresses);
           }
+          if (this.isTrackingAccelerations) {
+            this.startTrackAccelerations();
+          }
           this.stateService.connectionState$.next(2);
         }
 
@@ -235,6 +239,24 @@ export class WebsocketService {
     this.isTrackingRbfSummary = false;
   }
 
+  startTrackAccelerations() {
+    this.websocketSubject.next({ 'track-accelerations': true });
+    this.isTrackingAccelerations = true;
+  }
+
+  stopTrackAccelerations() {
+    if (this.isTrackingAccelerations) {
+      this.websocketSubject.next({ 'track-accelerations': false });
+      this.isTrackingAccelerations = false;
+    }
+  }
+
+  ensureTrackAccelerations() {
+    if (!this.isTrackingAccelerations) {
+      this.startTrackAccelerations();
+    }
+  }
+
   fetchStatistics(historicalDate: string) {
     this.websocketSubject.next({ historicalDate });
   }
@@ -416,6 +438,18 @@ export class WebsocketService {
       }
     }
 
+    if (response['accelerations']) {
+      if (response['accelerations'].accelerations) {
+        this.stateService.accelerations$.next({
+          added: response['accelerations'].accelerations,
+          removed: [],
+          reset: true,
+        });
+      } else {
+        this.stateService.accelerations$.next(response['accelerations']);
+      }
+    }
+
     if (response['live-2h-chart']) {
       this.stateService.live2Chart$.next(response['live-2h-chart']);
     }