Merge pull request #810 from mempool/simon/liquid-lbtc-dashboard-widget

L-BTC in circulation dashboard widgete

frontend/src/app/app.module.ts

@@ -37,6 +37,7 @@ import { IncomingTransactionsGraphComponent } from './components/incoming-transa
 import { TimeSpanComponent } from './components/time-span/time-span.component';
 import { SeoService } from './services/seo.service';
 import { MempoolGraphComponent } from './components/mempool-graph/mempool-graph.component';
+import { LbtcPegsGraphComponent } from './components/lbtc-pegs-graph/lbtc-pegs-graph.component';
 import { AssetComponent } from './components/asset/asset.component';
 import { AssetsComponent } from './assets/assets.component';
 import { StatusViewComponent } from './components/status-view/status-view.component';
@@ -84,6 +85,7 @@ import { SponsorComponent } from './components/sponsor/sponsor.component';
     FeeDistributionGraphComponent,
     IncomingTransactionsGraphComponent,
     MempoolGraphComponent,
+    LbtcPegsGraphComponent,
     AssetComponent,
     AssetsComponent,
     MinerComponent,

frontend/src/app/components/lbtc-pegs-graph/lbtc-pegs-graph.component.html

@@ -0,0 +1 @@
+<div class="echarts" echarts [initOpts]="pegsChartInitOption" [options]="pegsChartOptions"></div>

frontend/src/app/components/lbtc-pegs-graph/lbtc-pegs-graph.component.ts

@@ -0,0 +1,137 @@
+import { Component, OnInit, Inject, LOCALE_ID, ChangeDetectionStrategy, Output, EventEmitter, Input, OnChanges } from '@angular/core';
+import { formatDate, formatNumber } from '@angular/common';
+import { EChartsOption } from 'echarts';
+import { ApiService } from 'src/app/services/api.service';
+import { map } from 'rxjs/operators';
+import { Observable } from 'rxjs';
+
+@Component({
+  selector: 'app-lbtc-pegs-graph',
+  templateUrl: './lbtc-pegs-graph.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class LbtcPegsGraphComponent implements OnChanges {
+  @Input() data: any;
+  pegsChartOptions: EChartsOption;
+
+  height: number | string = '200';
+  right: number | string = '10';
+  top: number | string = '20';
+  left: number | string = '50';
+  template: ('widget' | 'advanced') = 'widget';
+
+  pegsChartOption: EChartsOption = {};
+  pegsChartInitOption = {
+    renderer: 'svg'
+  };
+
+  constructor(
+    @Inject(LOCALE_ID) private locale: string,
+  ) { }
+
+  ngOnChanges() {
+    this.pegsChartOptions = this.createChartOptions(this.data.series, this.data.labels);
+  }
+
+  createChartOptions(series: number[], labels: string[]): EChartsOption {
+    return {
+      grid: {
+        height: this.height,
+        right: this.right,
+        top: this.top,
+        left: this.left,
+      },
+      animation: false,
+      dataZoom: [{
+        type: 'inside',
+        realtime: true,
+        zoomOnMouseWheel: (this.template === 'advanced') ? true : false,
+        maxSpan: 100,
+        minSpan: 10,
+      }, {
+        show: (this.template === 'advanced') ? true : false,
+        type: 'slider',
+        brushSelect: false,
+        realtime: true,
+        selectedDataBackground: {
+          lineStyle: {
+            color: '#fff',
+            opacity: 0.45,
+          },
+          areaStyle: {
+            opacity: 0,
+          }
+        }
+      }],
+      tooltip: {
+        trigger: 'axis',
+        position: (pos, params, el, elRect, size) => {
+          const obj = { top: -20 };
+          obj[['left', 'right'][+(pos[0] < size.viewSize[0] / 2)]] = 80;
+          return obj;
+        },
+        extraCssText: `width: ${(this.template === 'widget') ? '125px' : '135px'};
+                      background: transparent;
+                      border: none;
+                      box-shadow: none;`,
+        axisPointer: {
+          type: 'line',
+        },
+        formatter: (params: any) => {
+          const colorSpan = (color: string) => `<span class="indicator" style="background-color: #116761;"></span>`;
+          let itemFormatted = '<div class="title">' + params[0].axisValue + '</div>';
+          params.map((item: any, index: number) => {
+            if (index < 26) {
+              itemFormatted += `<div class="item">
+                <div class="indicator-container">${colorSpan(item.color)}</div>
+                <div class="grow"></div>
+                <div class="value">${formatNumber(item.value, this.locale, '1.2-2')} <span class="symbol">L-BTC</span></div>
+              </div>`;
+            }
+          });
+          return `<div class="tx-wrapper-tooltip-chart ${(this.template === 'advanced') ? 'tx-wrapper-tooltip-chart-advanced' : ''}">${itemFormatted}</div>`;
+        }
+      },
+      xAxis: {
+        type: 'category',
+        axisLabel: {
+          align: 'center',
+          fontSize: 11,
+          lineHeight: 12
+        },
+        data: labels.map((value: any) => `${formatDate(value, 'MMM\ny', this.locale)}`),
+      },
+      yAxis: {
+        type: 'value',
+        axisLabel: {
+          fontSize: 11,
+        },
+        splitLine: {
+          lineStyle: {
+            type: 'dotted',
+            color: '#ffffff66',
+            opacity: 0.25,
+          }
+        }
+      },
+      series: [
+        {
+          data: series,
+          type: 'line',
+          stack: 'total',
+          smooth: false,
+          showSymbol: false,
+          areaStyle: {
+            opacity: 0.2,
+            color: '#116761',
+          },
+          lineStyle: {
+            width: 3,
+            color: '#116761',
+          },
+        },
+      ],
+    };
+  }
+}
+

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

@@ -16,7 +16,7 @@
       <div class="col">
         <div class="card">
           <div class="card-body">
-            <ng-container *ngTemplateOutlet="mempoolTable; context: { $implicit: mempoolInfoData }"></ng-container>
+            <ng-container *ngTemplateOutlet="stateService.network === 'liquid' ? lbtcPegs : mempoolTable; context: { $implicit: mempoolInfoData }"></ng-container>
           </div>
         </div>
       </div>
@@ -44,16 +44,21 @@
         <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>
+              <ng-container *ngTemplateOutlet="stateService.network === 'liquid' ? lbtcPegs : mempoolTable; context: { $implicit: mempoolInfoData }"></ng-container>
               <hr>
             </div>
-            <div class="mempool-graph" *ngIf="(mempoolStats$ | async) as mempoolStats; else loadingSpinner">
-              <app-mempool-graph
-                [template]="'widget'"
-                [limitFee]="150"
-                [data]="mempoolStats.mempool"
-              ></app-mempool-graph>
+            <div class="mempool-graph" *ngIf="stateService.network === 'liquid'; else mempoolGraph">
+              <app-lbtc-pegs-graph [data]="liquidPegsMonth$ | async"></app-lbtc-pegs-graph>
             </div>
+            <ng-template #mempoolGraph>
+              <div class="mempool-graph" *ngIf="(mempoolStats$ | async) as mempoolStats; else loadingSpinner">
+                <app-mempool-graph
+                  [template]="'widget'"
+                  [limitFee]="150"
+                  [data]="mempoolStats.mempool"
+                ></app-mempool-graph>
+              </div>
+            </ng-template>
           </div>
         </div>
       </div>
@@ -192,6 +197,17 @@
   </div>
 </ng-template>
 
+<ng-template #lbtcPegs let-mempoolInfoData>
+  <div class="mempool-info-data">
+    <div class="item">
+      <h5 class="card-title" i18n="dashboard.lbtc-pegs-in-circulation">L-BTC in circulation</h5>
+      <ng-container *ngIf="(liquidPegsMonth$ | async) as liquidPegsMonth; else loadingTransactions">
+        <p class="card-text">{{ liquidPegsMonth.series.slice(-1)[0] | number: '1.2-2' }} <span>L-BTC</span></p>
+      </ng-container>
+    </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">
@@ -207,7 +223,6 @@
   </ng-template>
 </ng-template>
 
-
 <ng-template #difficultyEpoch>
   <div class="main-title" i18n="dashboard.difficulty-adjustment">Difficulty Adjustment</div>
   <div class="card-wrapper">

frontend/src/app/dashboard/dashboard.component.ts

@@ -2,7 +2,7 @@ import { ChangeDetectionStrategy, Component, Inject, LOCALE_ID, OnInit } from '@
 import { combineLatest, merge, Observable, of, timer } from 'rxjs';
 import { filter, map, scan, share, switchMap, tap } from 'rxjs/operators';
 import { Block } from '../interfaces/electrs.interface';
-import { OptimizedMempoolStats } from '../interfaces/node-api.interface';
+import { LiquidPegs, OptimizedMempoolStats } from '../interfaces/node-api.interface';
 import { MempoolInfo, TransactionStripped } from '../interfaces/websocket.interface';
 import { ApiService } from '../services/api.service';
 import { StateService } from '../services/state.service';
@@ -63,6 +63,7 @@ export class DashboardComponent implements OnInit {
   mempoolStats$: Observable<MempoolStatsData>;
   transactionsWeightPerSecondOptions: any;
   isLoadingWebSocket$: Observable<boolean>;
+  liquidPegsMonth$: Observable<any>;
 
   constructor(
     @Inject(LOCALE_ID) private locale: string,
@@ -261,6 +262,22 @@ export class DashboardComponent implements OnInit {
         }),
         share(),
       );
+
+    if (this.stateService.network === 'liquid') {
+      this.liquidPegsMonth$ = this.apiService.listLiquidPegsMonth$()
+        .pipe(
+          map((pegs) => {
+            const labels = pegs.map(stats => stats.date);
+            const series = pegs.map(stats => parseFloat(stats.amount) / 100000000);
+            series.reduce((prev, curr, i) => series[i] = prev + curr, 0);
+            return {
+              series,
+              labels
+            };
+          }),
+          share(),
+        );
+    }
   }
 
   handleNewMempoolData(mempoolStats: OptimizedMempoolStats[]) {

frontend/src/app/interfaces/node-api.interface.ts

@@ -47,3 +47,8 @@ export interface AddressInformation {
   confidential_key?: string;       //  (string) Elements only
   unconfidential?: string;         //  (string) Elements only
 }
+
+export interface LiquidPegs {
+  amount: string;
+  date: string;
+}

frontend/src/app/services/api.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { HttpClient, HttpParams } from '@angular/common/http';
-import { CpfpInfo, OptimizedMempoolStats, DifficultyAdjustment, AddressInformation } from '../interfaces/node-api.interface';
+import { CpfpInfo, OptimizedMempoolStats, DifficultyAdjustment, AddressInformation, LiquidPegs } from '../interfaces/node-api.interface';
 import { Observable } from 'rxjs';
 import { StateService } from './state.service';
 import { WebsocketResponse } from '../interfaces/websocket.interface';
@@ -100,4 +100,8 @@ export class ApiService {
   validateAddress$(address: string): Observable<AddressInformation> {
     return this.httpClient.get<AddressInformation>(this.apiBaseUrl + this.apiBasePath + '/api/v1/validate-address/' + address);
   }
+
+  listLiquidPegsMonth$(): Observable<LiquidPegs[]> {
+    return this.httpClient.get<LiquidPegs[]>(this.apiBaseUrl + this.apiBasePath + '/api/v1/liquid/pegs/month');
+  }
 }