mempool/frontend/src/app/dashboard/dashboard.component.html

<div class="container-xl dashboard-container">
  <div class="row row-cols-1 row-cols-md-2" *ngIf="{ value: (mempoolInfoData$ | async) } as mempoolInfoData">
    <ng-template [ngIf]="collapseLevel === 'three'" [ngIfElse]="expanded">
      <div class="col card-wrapper" *ngIf="(network$ | async) !== 'liquid'">
        <div class="main-title" i18n="fees-box.transaction-fees">Transaction Fees</div>
        <div class="card">
          <div class="card-body">
            <app-fees-box class="d-block"></app-fees-box>
          </div>
        </div>
      </div>
      <div class="col" *ngIf="(network$ | async) !== 'liquid'">
        <ng-container *ngTemplateOutlet="difficultyEpoch"></ng-container>
      </div>
      <div class="col">
        <div class="card">
          <div class="card-body">
            <ng-container *ngTemplateOutlet="mempoolTable; context: { $implicit: mempoolInfoData }"></ng-container>
          </div>
        </div>
      </div>
      <div class="col">
        <div class="card">
          <div class="card-body">
            <ng-container *ngTemplateOutlet="txPerSecond; context: { $implicit: mempoolInfoData }"></ng-container>
          </div>
        </div>
      </div>
    </ng-template>
    <ng-template #expanded>
      <div class="col card-wrapper" *ngIf="(network$ | async) !== 'liquid'">
        <div class="main-title" i18n="fees-box.transaction-fees">Transaction Fees</div>
        <div class="card">
          <div class="card-body">
            <app-fees-box class="d-block"></app-fees-box>
          </div>
        </div>
      </div>
      <div class="col" *ngIf="(network$ | async) !== 'liquid'">
        <ng-container *ngTemplateOutlet="difficultyEpoch"></ng-container>
      </div>
      <div class="col">
        <div class="card graph-card">
          <div class="card-body pl-0">
            <div style="padding-left: 1.25rem;">
              <ng-container *ngTemplateOutlet="mempoolTable; context: { $implicit: mempoolInfoData }"></ng-container>
              <hr>
            </div>
            <div class="mempool-graph" *ngIf="(mempoolStats$ | async) as mempoolStats">
              <app-mempool-graph [data]="mempoolStats.mempool" [showLegend]="false" [offsetX]="20" [small]="true"></app-mempool-graph>
            </div>
          </div>
        </div>
      </div>
      <div class="col">
        <div class="card graph-card">
          <div class="card-body">
            <ng-container *ngTemplateOutlet="txPerSecond; context: { $implicit: mempoolInfoData }"></ng-container>
            <br>
            <hr>
            <div class="mempool-graph" *ngIf="(mempoolStats$ | async) as mempoolStats">
              <app-chartist
                  [data]="mempoolStats.weightPerSecond"
                  [type]="'Line'"
                  [options]="transactionsWeightPerSecondOptions">
                </app-chartist>
            </div>
          </div>
        </div>
      </div>
      <ng-template [ngIf]="collapseLevel === 'one'">
      <div class="col">
        <div class="card">
          <div class="card-body">
            <h5 class="card-title" i18n="dashboard.latest-blocks">Latest blocks</h5>
            <table class="table lastest-blocks-table">
              <thead>
                <th class="table-cell-height" i18n="dashboard.latest-blocks.height">Height</th>
                <th class="table-cell-mined" i18n="dashboard.latest-blocks.mined">Mined</th>
                <th class="table-cell-transaction-count" i18n="dashboard.latest-blocks.transaction-count">TXs</th>
                <th class="table-cell-size" i18n="dashboard.latest-blocks.size">Size</th>
              </thead>
              <tbody>
                <tr *ngFor="let block of blocks$ | async; let i = index; trackBy: trackByBlock">
                  <td class="table-cell-height" ><a [routerLink]="['/block' | relativeUrl, block.id]" [state]="{ data: { block: block } }">{{ block.height }}</a></td>
                  <td class="table-cell-mined" ><app-time-since [time]="block.timestamp" [fastRender]="true"></app-time-since></td>
                  <td class="table-cell-transaction-count">{{ block.tx_count | number }}</td>
                  <td class="table-cell-size">
                    <div class="progress">
                      <div class="progress-bar progress-mempool {{ network$ | async }}" role="progressbar" [ngStyle]="{'width': (block.weight / stateService.env.BLOCK_WEIGHT_UNITS)*100 + '%' }">&nbsp;</div>
                      <div class="progress-text" [innerHTML]="block.size | bytes: 2"></div>
                    </div>
                  </td>
                </tr>
              </tbody>
            </table>
            <div class=""><a href="" [routerLink]="['/blocks' | relativeUrl]" i18n="dashboard.view-all">View all &raquo;</a></div>
          </div>
        </div>
      </div>
      <div class="col">
        <div class="card">
          <div class="card-body">
            <h5 class="card-title" i18n="dashboard.latest-transactions">Latest transactions</h5>
            <table class="table latest-transactions">
              <thead>
                <th class="table-cell-txid" i18n="dashboard.latest-transactions.txid">TXID</th>
                <th class="table-cell-satoshis" i18n="dashboard.latest-transactions.amount">Amount</th>
                <th class="table-cell-fiat" *ngIf="(network$ | async) === ''" i18n="dashboard.latest-transactions.USD">USD</th>
                <th class="table-cell-fees" i18n="dashboard.latest-transactions.fee">Fee</th>
              </thead>
              <tbody>
                <tr *ngFor="let transaction of transactions$ | async; let i = index;">
                  <td class="table-cell-txid"><a [routerLink]="['/tx' | relativeUrl, transaction.txid]">{{ transaction.txid | shortenString : 10 }}</a></td>
                  <td class="table-cell-satoshis"><app-amount *ngIf="(network$ | async) !== 'liquid'; else liquidAmount" [satoshis]="transaction.value" digitsInfo="1.2-4" [noFiat]="true"></app-amount><ng-template #liquidAmount i18n="shared.confidential">Confidential</ng-template></td>
                  <td class="table-cell-fiat" *ngIf="(network$ | async) === ''" ><app-fiat [value]="transaction.value" digitsInfo="1.0-0"></app-fiat></td>
                  <td class="table-cell-fees">{{ transaction.fee / transaction.vsize | number : '1.1-1' }} <span class="symbol" i18n="shared.sat-vbyte|sat/vB">sat/vB</span></td>
                </tr>
              </tbody>
            </table>
            <div class="">&nbsp;</div>
          </div>
        </div>
      </div>
    </ng-template>
    </ng-template>
  </div>

  <button type="button" class="btn btn-secondary btn-sm d-block mx-auto" (click)="toggleCollapsed()">
    <div [ngSwitch]="collapseLevel">
      <fa-icon *ngSwitchCase="'three'" [icon]="['fas', 'angle-down']" [fixedWidth]="true" i18n-title="dashboard.expand" title="Expand"></fa-icon>
      <fa-icon *ngSwitchDefault [icon]="['fas', 'angle-up']" [fixedWidth]="true" i18n-title="dashboard.collapse" title="Collapse"></fa-icon>
    </div>
  </button>

  <app-language-selector></app-language-selector>

  <div class="terms-of-service">
    <a [routerLink]="['/terms-of-service']" i18n="shared.terms-of-service|Terms of Service">Terms of Service</a>
    |
    <a [routerLink]="['/privacy-policy']" i18n="shared.privacy-policy|Privacy Policy">Privacy Policy</a>
  </div>

</div>

<ng-template #loadingTransactions>
  <div class="skeleton-loader skeleton-loader-transactions"></div>
</ng-template>

<ng-template #loading>
  <div class="skeleton-loader"></div>
</ng-template>

<ng-template #loadingbig>
  <span class="skeleton-loader skeleton-loader-big" ></span>
</ng-template>

<ng-template #emptyBlock>
  <div class="col">

  </div>
</ng-template>

<ng-template #mempoolTable let-mempoolInfoData>
  <div class="mempool-info-data">
    <div class="item">
      <h5 *ngIf="!mempoolInfoData.value || mempoolInfoData.value.memPoolInfo.mempoolminfee === 0.00001 || (stateService.env.BASE_MODULE === 'liquid' && mempoolInfoData.value.memPoolInfo.mempoolminfee === 0.000001) else purgingText" class="card-title" i18n="dashboard.minimum-fee|Minimum mempool fee">Minimum fee</h5>
      <ng-template #purgingText><h5 class="card-title" i18n="dashboard.purging|Purgin below fee">Purging</h5></ng-template>
      <p class="card-text" *ngIf="(isLoadingWebSocket$ | async) === false && mempoolInfoData.value; else loading">
        <ng-template [ngIf]="mempoolInfoData.value.memPoolInfo.mempoolminfee > 0.00001">&lt; </ng-template>{{ mempoolInfoData.value.memPoolInfo.mempoolminfee * 100000 | number : '1.1-1' }} <span><ng-container i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container></span>
      </p>
    </div>
    <div class="item">
      <h5 class="card-title" i18n="dashboard.unconfirmed|Unconfirmed count">Unconfirmed</h5>
      <p class="card-text" *ngIf="(isLoadingWebSocket$ | async) === false && mempoolInfoData.value; else loading">
        {{ mempoolInfoData.value.memPoolInfo.size | number }} <span i18n="dashboard.txs">TXs</span>
      </p>
    </div>
    <div class="item bar">
      <h5 class="card-title" i18n="dashboard.memory-usage|Memory usage">Memory usage</h5>
      <div class="card-text" *ngIf="(isLoadingWebSocket$ | async) === false && mempoolInfoData.value; else loadingbig">
        <div class="progress">
          <div class="progress-bar {{ mempoolInfoData.value.mempoolSizeProgress }}" role="progressbar" [ngStyle]="{'width': (mempoolInfoData.value.memPoolInfo.usage / mempoolInfoData.value.memPoolInfo.maxmempool * 100) + '%' }">&nbsp;</div>
          <div class="progress-text"><span [innerHTML]="mempoolInfoData.value.memPoolInfo.usage | bytes"></span> / <span [innerHTML]="mempoolInfoData.value.memPoolInfo.maxmempool | bytes"></span></div>
        </div>
      </div>
    </div>
  </div>
</ng-template>

<ng-template #txPerSecond let-mempoolInfoData>
  <h5 class="card-title" i18n="dashboard.incoming-transactions">Incoming transactions</h5>
  <ng-template [ngIf]="(isLoadingWebSocket$ | async) === false && mempoolInfoData.value" [ngIfElse]="loadingTransactions">
    <span *ngIf="(mempoolLoadingStatus$ | async) !== 100; else inSync">
      &nbsp;<span class="badge badge-pill badge-warning"><ng-container i18n="dashboard.backend-is-synchronizing">Backend is synchronizing</ng-container> ({{ mempoolLoadingStatus$ | async }}%)</span>
    </span>
    <ng-template #inSync>
      <div class="progress inc-tx-progress-bar">
        <div class="progress-bar {{ mempoolInfoData.value.progressClass }}" role="progressbar" [ngStyle]="{'width': mempoolInfoData.value.progressWidth}">&nbsp;</div>
        <div class="progress-text">{{ mempoolInfoData.value.vBytesPerSecond | ceil | number }} <ng-container i18n="shared.vbytes-per-second|vB/s">vB/s</ng-container></div>
      </div>
    </ng-template>
  </ng-template>
</ng-template>

<ng-template #difficultyEpoch>
  <div class="main-title" i18n="dashboard.difficulty-adjustment">Difficulty Adjustment</div>
  <div class="card-wrapper">
    <div class="card">
      <div class="card-body more-padding">
        <div class="difficulty-adjustment-container" *ngIf="(isLoadingWebSocket$ | async) === false && (difficultyEpoch$ | async) as epochData; else loadingDifficulty">
          <div class="item">
            <h5 class="card-title" i18n="difficulty-box.remaining">Remaining</h5>
            <div class="card-text">
              <ng-container *ngTemplateOutlet="epochData.remainingBlocks === 1 ? blocksSingular : blocksPlural; context: {$implicit: epochData.remainingBlocks }"></ng-container>
              <ng-template #blocksPlural let-i i18n="shared.blocks">{{ i }} <span class="shared-block">blocks</span></ng-template>
              <ng-template #blocksSingular let-i i18n="shared.block">{{ i }} <span class="shared-block">block</span></ng-template>
            </div>
            <div class="symbol"><app-time-until [time]="epochData.remainingTime" [fastRender]="true"></app-time-until></div>
          </div>
          <div class="item">
            <h5 class="card-title" i18n="difficulty-box.estimate">Estimate</h5>
            <div class="card-text" [ngStyle]="{'color': epochData.colorAdjustments}">
              <span *ngIf="epochData.change > 0; else arrowDownDifficulty" >
                <fa-icon class="retarget-sign" [icon]="['fas', 'caret-up']" [fixedWidth]="true"></fa-icon>
              </span>
              <ng-template #arrowDownDifficulty >
                <fa-icon class="retarget-sign" [icon]="['fas', 'caret-down']" [fixedWidth]="true"></fa-icon>
              </ng-template>
              {{ epochData.change | absolute | number: '1.2-2' }} 
              <span class="symbol">%</span>
            </div>
            <div class="symbol">
              <span i18n="difficulty-box.previous">Previous</span>: 
              <span [ngStyle]="{'color': epochData.colorPreviousAdjustments}">
                <span *ngIf="epochData.previousRetarget > 0; else arrowDownPreviousDifficulty" >
                  <fa-icon class="previous-retarget-sign" [icon]="['fas', 'caret-up']" [fixedWidth]="true"></fa-icon>
                </span>
                <ng-template #arrowDownPreviousDifficulty >
                  <fa-icon class="previous-retarget-sign" [icon]="['fas', 'caret-down']" [fixedWidth]="true"></fa-icon>
                </ng-template>
                {{ epochData.previousRetarget | absolute | number: '1.2-2' }} </span> %
            </div>
          </div>
          <div class="item">
            <h5 class="card-title" i18n="difficulty-box.current-period">Current Period</h5>
            <div class="card-text">{{ epochData.progress | number: '1.2-2' }} <span class="symbol">%</span></div>
            <div class="progress small-bar">
              <div class="progress-bar" role="progressbar" style="width: 15%; background-color: #105fb0" [ngStyle]="{'width': epochData.base}">&nbsp;</div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</ng-template>


<ng-template #loadingDifficulty>
  <div class="difficulty-skeleton loading-container">
    <div class="item">
      <h5 class="card-title" i18n="difficulty-box.remaining">Remaining</h5>
      <div class="card-text">
        <div class="skeleton-loader"></div>
        <div class="skeleton-loader"></div>
      </div>
    </div>
    <div class="item">
      <h5 class="card-title" i18n="difficulty-box.estimate">Estimate</h5>
      <div class="card-text">
        <div class="skeleton-loader"></div>
        <div class="skeleton-loader"></div>
      </div>
    </div>
    <div class="item">
      <h5 class="card-title" i18n="difficulty-box.current-period">Current Period</h5>
      <div class="card-text">
        <div class="skeleton-loader"></div>
        <div class="skeleton-loader"></div>
      </div>
    </div>
  </div>
</ng-template>