Merging duplicate mempool graph code.

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

@@ -1,17 +1,5 @@
 <div class="container-xl" style="max-width: 100%;">
-  <!--
-  <ul class="nav nav-pills" id="myTab" role="tablist">
-      <li class="nav-item">
-        <a class="nav-link" routerLinkActive="active" routerLink="mempool" role="tab">Mempool</a>
-      </li>
-      <li class="nav-item">
-        <a class="nav-link" routerLinkActive="active" routerLink="blocks" role="tab">Blocks</a>
-      </li>
-    </ul>
-  <br/>
 
-  -->
-  
   <div class="row">
     <div class="col-lg-12" *ngIf="loading">
       <div class="text-center">
@@ -23,7 +11,7 @@
 
     <div class="col-lg-12">
 
-      <div class="card mb-3" *ngIf="mempoolVsizeFeesData">
+      <div class="card mb-3" *ngIf="mempoolStats.length">
         <div class="card-header">
           <i class="fa fa-area-chart"></i> Mempool by vbytes (satoshis/vbyte)
 
@@ -56,11 +44,7 @@
         </div>
         <div class="card-body">
           <div style="height: 600px;">
-            <app-chartist
-              [data]="mempoolVsizeFeesData"
-              [type]="'Line'"
-              [options]="mempoolVsizeFeesOptions">
-            </app-chartist>
+            <app-mempool-graph [data]="mempoolStats"></app-mempool-graph>
           </div>
         </div>
       </div>