mempool/frontend/src/app/components/difficulty-chart/difficulty-chart.component.html

<div [class]="widget === false ? 'container-xl' : ''">

  <div class="card-header mb-0 mb-lg-4" [style]="widget ? 'display:none' : ''">
    <form [formGroup]="radioGroupForm" class="formRadioGroup" *ngIf="(difficultyObservable$ | async) as diffChanges">
      <div class="btn-group btn-group-toggle" ngbRadioGroup name="radioBasic" formControlName="dateSpan">
        <label ngbButtonLabel class="btn-primary btn-sm" [routerLink]="['/mining/difficulty' | relativeUrl]" *ngIf="diffChanges.availableTimespanDay >= 90">
          <input ngbButton type="radio" [value]="'3m'" fragment="3m"> 3M
        </label>
        <label ngbButtonLabel class="btn-primary btn-sm" [routerLink]="['/mining/difficulty' | relativeUrl]" *ngIf="diffChanges.availableTimespanDay >= 180">
          <input ngbButton type="radio" [value]="'6m'" fragment="6m"> 6M
        </label>
        <label ngbButtonLabel class="btn-primary btn-sm" [routerLink]="['/mining/difficulty' | relativeUrl]" *ngIf="diffChanges.availableTimespanDay >= 365">
          <input ngbButton type="radio" [value]="'1y'" fragment="1y"> 1Y
        </label>
        <label ngbButtonLabel class="btn-primary btn-sm" [routerLink]="['/mining/difficulty' | relativeUrl]" *ngIf="diffChanges.availableTimespanDay >= 730">
          <input ngbButton type="radio" [value]="'2y'" fragment="2y"> 2Y
        </label>
        <label ngbButtonLabel class="btn-primary btn-sm" [routerLink]="['/mining/difficulty' | relativeUrl]" *ngIf="diffChanges.availableTimespanDay >= 1095">
          <input ngbButton type="radio" [value]="'3y'" fragment="3y"> 3Y
        </label>
        <label ngbButtonLabel class="btn-primary btn-sm">
          <input ngbButton type="radio" [value]="'all'" [routerLink]="['/mining/difficulty' | relativeUrl]" fragment="all"> ALL
        </label>
      </div>
    </form>
  </div>

  <div *ngIf="difficultyObservable$ | async" class="mb-5" echarts [initOpts]="chartInitOptions" [options]="chartOptions"></div>
  <div class="text-center loadingGraphs" *ngIf="isLoading">
    <div class="spinner-border text-light"></div>
  </div>

  <table class="table table-borderless table-sm text-center" *ngIf="!widget">
    <thead>
      <tr>
        <th i18n="mining.rank">Block</th>
        <th i18n="block.timestamp">Timestamp</th>
        <th i18n="mining.difficulty">Difficulty</th>
        <th i18n="mining.change">Change</th>
      </tr>
    </thead>
    <tbody *ngIf="(difficultyObservable$ | async) as diffChanges">
      <tr *ngFor="let diffChange of diffChanges.data">
        <td><a [routerLink]="['/block' | relativeUrl, diffChange.height]">{{ diffChange.height }}</a></td>
        <td>&lrm;{{ diffChange.timestamp * 1000 | date:'yyyy-MM-dd HH:mm' }}</td>
        <td class="d-none d-md-block">{{ formatNumber(diffChange.difficulty, locale, '1.2-2') }}</td>
        <td class="d-block d-md-none">{{ diffChange.difficultyShorten }}</td>
        <td [style]="diffChange.change >= 0 ? 'color: #42B747' : 'color: #B74242'">{{ formatNumber(diffChange.change, locale, '1.2-2') }}%</td>
      </tr>
    </tbody>
  </table>

</div>