Add git hashes to monitoring

frontend/src/app/components/server-health/server-health.component.html

@@ -19,6 +19,9 @@
             <th class="rtt only-small">RTT</th>
             <th class="rtt only-large">RTT</th>
             <th class="height">Height</th>
+            <th class="frontend only-large">Front</th>
+            <th class="backend only-large">Back</th>
+            <th class="electrs only-large">Electrs</th>
           </tr>
           <tr *ngFor="let host of hosts; let i = index; trackBy: trackByFn">
             <td class="rank">{{ i + 1 }}</td>
@@ -28,6 +31,15 @@
             <td class="rtt only-small">{{ (host.rtt / 1000) | number : '1.1-1' }} {{ host.rtt == null ? '' : 's'}} {{ !host.checked ? '⏳' : (host.unreachable ? '🔥' : '✅') }}</td>
             <td class="rtt only-large">{{ host.rtt | number : '1.0-0' }} {{ host.rtt == null ? '' : 'ms'}} {{ !host.checked ? '⏳' : (host.unreachable ? '🔥' : '✅') }}</td>
             <td class="height">{{ host.latestHeight }} {{ !host.checked ? '⏳' : (host.outOfSync ? '🚫' : (host.latestHeight && host.latestHeight < maxHeight ? '🟧' : '✅')) }}</td>
+            <ng-container *ngFor="let type of ['frontend', 'backend', 'electrs']">
+              <td class="{{type}} only-large" [style.background-color]="host.hashes?.[type] ? '#' + host.hashes[type].slice(0, 6) : ''">
+                @if (host.hashes?.[type]) {
+                  <a [style.color]="'white'" href="https://github.com/mempool/{{type === 'electrs' ? 'electrs' : 'mempool'}}/commit/{{ host.hashes[type] }}" target="_blank">{{ host.hashes[type].slice(0, 8) || '?' }}</a>
+                } @else {
+                  <span>?</span>
+                }
+              </td>
+            </ng-container>
           </tr>
         </tbody>
       </table>

frontend/src/app/components/server-health/server-health.component.scss

@@ -9,7 +9,7 @@
   }
 
   .status-panel {
-    max-width: 720px;
+    max-width: 1000px;
     margin: auto;
     padding: 1em;
     background: var(--box-bg);

frontend/src/app/interfaces/websocket.interface.ts

@@ -144,4 +144,9 @@ export interface HealthCheckHost {
   link?: string;
   statusPage?: SafeResourceUrl;
   flag?: string;
+  hashes?: {
+    frontend?: string;
+    backend?: string;
+    electrs?: string;
+  }
 }