[lightning] claim your node button

frontend/src/app/lightning/node-owner/node-owner.component.html

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+<div *ngIf="stateService.env.OFFICIAL_MEMPOOL_SPACE === true">
+
+  <div *ngIf="{ value: (nodeOwner$ | async) } as nodeOwner">
+
+    <div *ngIf="nodeOwner.value && nodeOwner.value.sns_id">
+      <a target="_blank" [href]="'https://twitter.com/' + nodeOwner.value.username">
+        <img class="profile-photo" [src]="'data:' + nodeOwner.value.image_mime + ';base64,' + nodeOwner.value.image">
+      </a>
+    </div>
+
+    <div *ngIf="nodeOwner.value === false">
+      <a [href]="'/login/lnnode?type=signup&pubkey=' + publicKey + '&alias=' + alias" class="btn btn-primary btn-sm">Claim</a>
+    <div>
+
+  </div>
+
+</div>

frontend/src/app/lightning/node-owner/node-owner.component.scss

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+.profile-photo {
+  width: 31px;
+  height: 31px;
+}

frontend/src/app/lightning/node-owner/node-owner.component.ts

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+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { Observable } from 'rxjs';
+import { StateService } from '../../services/state.service';
+
+@Component({
+  selector: 'app-node-owner',
+  templateUrl: './node-owner.component.html',
+  styleUrls: ['./node-owner.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class NodeOwnerComponent{
+  @Input() publicKey: string = '';
+  @Input() alias: string = '';
+  @Input() nodeOwner$: Observable<any>;
+
+  constructor(
+    public stateService: StateService
+  ) {
+  }
+}