Add balance graph to address page

backend/src/api/bitcoin/bitcoin.routes.ts

@@ -121,8 +121,10 @@ class BitcoinRoutes {
           .get(config.MEMPOOL.API_URL_PREFIX + 'block-height/:height', this.getBlockHeight)
           .get(config.MEMPOOL.API_URL_PREFIX + 'address/:address', this.getAddress)
           .get(config.MEMPOOL.API_URL_PREFIX + 'address/:address/txs', this.getAddressTransactions)
+          .get(config.MEMPOOL.API_URL_PREFIX + 'address/:address/txs/summary', this.getAddressTransactionSummary)
           .get(config.MEMPOOL.API_URL_PREFIX + 'scripthash/:scripthash', this.getScriptHash)
           .get(config.MEMPOOL.API_URL_PREFIX + 'scripthash/:scripthash/txs', this.getScriptHashTransactions)
+          .get(config.MEMPOOL.API_URL_PREFIX + 'scripthash/:scripthash/txs/summary', this.getScriptHashTransactionSummary)
           .get(config.MEMPOOL.API_URL_PREFIX + 'address-prefix/:prefix', this.getAddressPrefix)
           ;
       }
@@ -566,6 +568,13 @@ class BitcoinRoutes {
     }
   }
 
+  private async getAddressTransactionSummary(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL.BACKEND !== 'esplora') {
+      res.status(405).send('Address summary lookups require mempool/electrs backend.');
+      return;
+    }
+  }
+
   private async getScriptHash(req: Request, res: Response) {
     if (config.MEMPOOL.BACKEND === 'none') {
       res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
@@ -609,6 +618,13 @@ class BitcoinRoutes {
     }
   }
 
+  private async getScriptHashTransactionSummary(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL.BACKEND !== 'esplora') {
+      res.status(405).send('Scripthash summary lookups require mempool/electrs backend.');
+      return;
+    }
+  }
+
   private async getAddressPrefix(req: Request, res: Response) {
     try {
       const blockHash = await bitcoinApi.$getAddressPrefix(req.params.prefix);

frontend/src/app/components/address-graph/address-graph.component.html

@@ -0,0 +1,23 @@
+<app-indexing-progress></app-indexing-progress>
+
+<div class="full-container">
+  <div class="card-header mb-0 mb-md-2">
+    <div class="d-flex d-md-block align-items-baseline">
+      <span i18n="address.balance-history">Balance History</span>
+    </div>  
+    </div>
+
+  <ng-container *ngIf="!error">
+    <div class="chart" echarts [initOpts]="chartInitOptions" [options]="chartOptions"
+      (chartInit)="onChartInit($event)">
+    </div>
+    <div class="text-center loadingGraphs" *ngIf="isLoading">
+      <div class="spinner-border text-light"></div>
+    </div>
+  </ng-container>
+  <ng-container *ngIf="error">
+    <div class="error-wrapper">
+      <p class="error">{{ error }}</p>
+    </div>
+  </ng-container>
+</div>

frontend/src/app/components/address-graph/address-graph.component.scss

@@ -0,0 +1,75 @@
+.card-header {
+  border-bottom: 0;
+  font-size: 18px;
+  @media (min-width: 465px) {
+    font-size: 20px;
+  }
+  @media (min-width: 992px) {
+    height: 40px;
+  }
+}
+
+.main-title {
+  position: relative;
+  color: #ffffff91;
+  margin-top: -13px;
+  font-size: 10px;
+  text-transform: uppercase;
+  font-weight: 500;
+  text-align: center;
+  padding-bottom: 3px;
+}
+
+.full-container {
+  display: flex;
+  flex-direction: column;
+  padding: 0px;
+  width: 100%;
+  height: 400px;
+}
+
+.error-wrapper {
+  display: flex;
+  flex-direction: column;
+  width: 100%;
+  height: 100%;
+  align-items: center;
+  justify-content: center;
+
+  font-size: 15px;
+  color: grey;
+  font-weight: bold;
+}
+
+.chart {
+  display: flex;
+  flex: 1;
+  width: 100%;
+  padding-bottom: 20px;
+  padding-right: 10px;
+  @media (max-width: 992px) {
+    padding-bottom: 25px;
+  }
+  @media (max-width: 829px) {
+    padding-bottom: 50px;
+  }
+  @media (max-width: 767px) {
+    padding-bottom: 25px;
+  }
+  @media (max-width: 629px) {
+    padding-bottom: 55px;
+  }
+  @media (max-width: 567px) {
+    padding-bottom: 55px;
+  }
+}
+.chart-widget {
+  width: 100%;
+  height: 100%;
+  max-height: 270px;
+}
+
+.disabled {
+  pointer-events: none;
+  opacity: 0.5;
+}

frontend/src/app/components/address-graph/address-graph.component.ts

@@ -0,0 +1,180 @@
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, OnChanges, OnInit, SimpleChanges } from '@angular/core';
+import { echarts, EChartsOption } from '../../graphs/echarts';
+import { of } from 'rxjs';
+import { catchError } from 'rxjs/operators';
+import { ChainStats } from '../../interfaces/electrs.interface';
+import { ElectrsApiService } from '../../services/electrs-api.service';
+import { AmountShortenerPipe } from '../../shared/pipes/amount-shortener.pipe';
+
+@Component({
+  selector: 'app-address-graph',
+  templateUrl: './address-graph.component.html',
+  styleUrls: ['./address-graph.component.scss'],
+  styles: [`
+    .loadingGraphs {
+      position: absolute;
+      top: 50%;
+      left: calc(50% - 15px);
+      z-index: 100;
+    }
+  `],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class AddressGraphComponent implements OnInit, OnChanges {
+  @Input() address: string;
+  @Input() stats: ChainStats;
+  @Input() right: number | string = 10;
+  @Input() left: number | string = 70;
+
+  chartOptions: EChartsOption = {};
+  chartInitOptions = {
+    renderer: 'svg',
+  };
+
+  error: any;
+  isLoading = true;
+  chartInstance: any = undefined;
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private electrsApiService: ElectrsApiService,
+    private amountShortenerPipe: AmountShortenerPipe,
+    private cd: ChangeDetectorRef,
+  ) {
+  }
+
+  ngOnInit(): void {
+    
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    this.isLoading = true;
+    this.electrsApiService.getAddressSummary$(this.address).pipe(
+      catchError(e => {
+        this.error = `Failed to fetch address balance history: ${e?.status || ''} ${e?.statusText || 'unknown error'}`;
+        return of(null);
+      }),
+    ).subscribe(addressSummary => {
+      if (addressSummary) {
+        this.error = null;
+        this.prepareChartOptions(addressSummary);
+      }
+      this.isLoading = false;
+      this.cd.markForCheck();
+    });
+  }
+
+  prepareChartOptions(summary): void {
+    let total = (this.stats.funded_txo_sum - this.stats.spent_txo_sum); // + (summary[0]?.value || 0);
+    const data = summary.map(d => {
+      const balance = total;
+      total -= d.value;
+      return [d.time * 1000, balance, d];
+    }).reverse();
+
+    const maxValue = data.reduce((acc, d) => Math.max(acc, Math.abs(d[1])), 0);
+
+    this.chartOptions = {
+      color: [
+        new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+          { offset: 0, color: '#FDD835' },
+          { offset: 1, color: '#FB8C00' },
+        ]),
+      ],
+      animation: false,
+      grid: {
+        top: 20,
+        bottom: 20,
+        right: this.right,
+        left: this.left,
+      },
+      tooltip: {
+        show: !this.isMobile(),
+        trigger: 'axis',
+        axisPointer: {
+          type: 'line'
+        },
+        backgroundColor: 'rgba(17, 19, 31, 1)',
+        borderRadius: 4,
+        shadowColor: 'rgba(0, 0, 0, 0.5)',
+        textStyle: {
+          color: '#b1b1b1',
+          align: 'left',
+        },
+        borderColor: '#000',
+        formatter: function (data): string {
+          const header = data.length === 1
+            ? `${data[0].data[2].txid.slice(0, 6)}...${data[0].data[2].txid.slice(-6)}`
+            : `${data.length} transactions`;
+          const date = new Date(data[0].data[0]).toLocaleTimeString(this.locale, { year: 'numeric', month: 'short', day: 'numeric' });
+          const val = data.reduce((total, d) => total + d.data[2].value, 0);
+          const color = val === 0 ? '' : (val > 0 ? '#1a9436' : '#dc3545');
+          const symbol = val > 0 ? '+' : '';
+          return `
+            <div>
+              <span><b>${header}</b></span>
+              <div style="text-align: right;">
+                <span style="color: ${color}">${symbol} ${(val / 100_000_000).toFixed(8)} BTC</span><br>
+                <span>${(data[0].data[1] / 100_000_000).toFixed(8)} BTC</span>
+              </div>
+              <span>${date}</span>
+            </div>
+          `; 
+        }.bind(this)
+      },
+      xAxis: {
+        type: 'time',
+        splitNumber: this.isMobile() ? 5 : 10,
+        axisLabel: {
+          hideOverlap: true,
+        }
+      },
+      yAxis: [
+        {
+          type: 'value',
+          position: 'left',
+          axisLabel: {
+            color: 'rgb(110, 112, 121)',
+            formatter: (val): string => {
+              if (maxValue > 100_000_000) {
+                return `${this.amountShortenerPipe.transform(Math.round(val / 100_000_000), 0)} BTC`;
+              } else if (maxValue > 10_000_000) {
+                return `${Math.round(val / 100_000_000)} BTC`;
+              } else if (maxValue > 100_000) {
+                return `${(val / 100_000_000).toFixed(2)} BTC`;
+              } else {
+                return `${this.amountShortenerPipe.transform(100_000_000, 0)} sats`;
+              }
+            }
+          },
+          splitLine: {
+            show: false,
+          },
+        },
+      ],
+      series: [
+        {
+          name: $localize`Balance:Balance`,
+          showSymbol: false,
+          symbol: 'circle',
+          symbolSize: 8,
+          data: data,
+          areaStyle: {
+            opacity: 0.5,
+          },
+          type: 'line',
+          smooth: false,
+          step: 'end'
+        }
+      ],
+    };
+  }
+
+  onChartInit(ec) {
+    this.chartInstance = ec;
+  }
+
+  isMobile() {
+    return (window.innerWidth <= 767.98);
+  }
+}

frontend/src/app/components/address/address.component.html

@@ -49,9 +49,19 @@
           </div>
         </div>
       </div>
-
     </div>
 
+    <ng-container *ngIf="address && transactions && transactions.length > 2">
+      <br>
+      <div class="box">
+        <div class="row">
+          <div class="col-md">
+            <app-address-graph [address]="addressString" [stats]="address.chain_stats" />
+          </div>
+        </div>
+      </div>
+    </ng-container>
+
     <br>
     <div class="title-tx">
       <h2 class="text-left">

frontend/src/app/graphs/graphs.module.ts

@@ -32,12 +32,15 @@ import { AcceleratorDashboardComponent } from '../components/acceleration/accele
 import { HashrateChartComponent } from '../components/hashrate-chart/hashrate-chart.component';
 import { HashrateChartPoolsComponent } from '../components/hashrates-chart-pools/hashrate-chart-pools.component';
 import { BlockHealthGraphComponent } from '../components/block-health-graph/block-health-graph.component';
+import { AddressComponent } from '../components/address/address.component';
+import { AddressGraphComponent } from '../components/address-graph/address-graph.component';
 import { CommonModule } from '@angular/common';
 
 @NgModule({
   declarations: [
     DashboardComponent,
     MempoolBlockComponent,
+    AddressComponent,
 
     MiningDashboardComponent,
     AcceleratorDashboardComponent,
@@ -67,6 +70,7 @@ import { CommonModule } from '@angular/common';
     HashrateChartComponent,
     HashrateChartPoolsComponent,
     BlockHealthGraphComponent,
+    AddressGraphComponent,
   ],
   imports: [
     CommonModule,

frontend/src/app/graphs/graphs.routing.module.ts

@@ -19,6 +19,7 @@ import { TelevisionComponent } from '../components/television/television.compone
 import { DashboardComponent } from '../dashboard/dashboard.component';
 import { AccelerationFeesGraphComponent } from '../components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component';
 import { AccelerationsListComponent } from '../components/acceleration/accelerations-list/accelerations-list.component';
+import { AddressComponent } from '../components/address/address.component';
 
 const routes: Routes = [
   {
@@ -67,6 +68,15 @@ const routes: Routes = [
           },
         ]
       },
+      {
+        path: 'address/:id',
+        children: [],
+        component: AddressComponent,
+        data: {
+          ogImage: true,
+          networkSpecific: true,
+        }
+      },
       {
         path: 'graphs',
         data: { networks: ['bitcoin', 'liquid'] },

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

@@ -149,6 +149,13 @@ export interface AddressOrScriptHash {
   mempool_stats: MempoolStats;
 }
 
+export interface AddressTxSummary {
+  txid: string;
+  value: number;
+  height: number;
+  time: number;
+}
+
 export interface ChainStats {
   funded_txo_count: number;
   funded_txo_sum: number;

frontend/src/app/liquid/liquid-master-page.module.ts

@@ -7,7 +7,6 @@ import { LiquidMasterPageComponent } from '../components/liquid-master-page/liqu
 
 
 import { StartComponent } from '../components/start/start.component';
-import { AddressComponent } from '../components/address/address.component';
 import { PushTransactionComponent } from '../components/push-transaction/push-transaction.component';
 import { BlocksList } from '../components/blocks-list/blocks-list.component';
 import { AssetGroupComponent } from '../components/assets/asset-group/asset-group.component';
@@ -51,15 +50,6 @@ const routes: Routes = [
         path: 'trademark-policy',
         loadChildren: () => import('../components/trademark-policy/trademark-policy.module').then(m => m.TrademarkModule),
       },
-      {
-        path: 'address/:id',
-        children: [],
-        component: AddressComponent,
-        data: {
-          ogImage: true,
-          networkSpecific: true,
-        }
-      },
       {
         path: 'tx',
         component: StartComponent,

frontend/src/app/master-page.module.ts

@@ -5,8 +5,6 @@ import { MasterPageComponent } from './components/master-page/master-page.compon
 import { SharedModule } from './shared/shared.module';
 
 import { StartComponent } from './components/start/start.component';
-import { AddressComponent } from './components/address/address.component';
-import { AddressGroupComponent } from './components/address-group/address-group.component';
 import { PushTransactionComponent } from './components/push-transaction/push-transaction.component';
 import { CalculatorComponent } from './components/calculator/calculator.component';
 import { BlocksList } from './components/blocks-list/blocks-list.component';
@@ -56,15 +54,6 @@ const routes: Routes = [
         path: 'trademark-policy',
         loadChildren: () => import('./components/trademark-policy/trademark-policy.module').then(m => m.TrademarkModule),
       },
-      {
-        path: 'address/:id',
-        children: [],
-        component: AddressComponent,
-        data: {
-          ogImage: true,
-          networkSpecific: true,
-        }
-      },
       {
         path: 'tx',
         component: StartComponent,

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

@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { HttpClient, HttpParams } from '@angular/common/http';
 import { BehaviorSubject, Observable, catchError, filter, from, of, shareReplay, switchMap, take, tap } from 'rxjs';
-import { Transaction, Address, Outspend, Recent, Asset, ScriptHash } from '../interfaces/electrs.interface';
+import { Transaction, Address, Outspend, Recent, Asset, ScriptHash, AddressTxSummary } from '../interfaces/electrs.interface';
 import { StateService } from './state.service';
 import { BlockExtended } from '../interfaces/node-api.interface';
 import { calcScriptHash$ } from '../bitcoin.utils';
@@ -141,6 +141,14 @@ export class ElectrsApiService {
     return this.httpClient.get<Transaction[]>(this.apiBaseUrl + this.apiBasePath + '/api/address/' + address + '/txs', { params });
   }
 
+  getAddressSummary$(address: string,  txid?: string): Observable<AddressTxSummary[]> {
+    let params = new HttpParams();
+    if (txid) {
+      params = params.append('after_txid', txid);
+    }
+    return this.httpClient.get<AddressTxSummary[]>(this.apiBaseUrl + this.apiBasePath + '/api/address/' + address + '/txs/summary', { params });
+  }
+
   getScriptHashTransactions$(script: string,  txid?: string): Observable<Transaction[]> {
     let params = new HttpParams();
     if (txid) {

frontend/src/app/shared/shared.module.ts

@@ -45,7 +45,6 @@ import { TransactionsListComponent } from '../components/transactions-list/trans
 import { BlockOverviewGraphComponent } from '../components/block-overview-graph/block-overview-graph.component';
 import { BlockOverviewTooltipComponent } from '../components/block-overview-tooltip/block-overview-tooltip.component';
 import { BlockFiltersComponent } from '../components/block-filters/block-filters.component';
-import { AddressComponent } from '../components/address/address.component';
 import { AddressGroupComponent } from '../components/address-group/address-group.component';
 import { SearchFormComponent } from '../components/search-form/search-form.component';
 import { AddressLabelsComponent } from '../components/address-labels/address-labels.component';
@@ -147,7 +146,6 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from './components/weight-dir
     BlockOverviewTooltipComponent,
     BlockFiltersComponent,
     TransactionsListComponent,
-    AddressComponent,
     AddressGroupComponent,
     SearchFormComponent,
     AddressLabelsComponent,
@@ -276,7 +274,6 @@ import { OnlyVsizeDirective, OnlyWeightDirective } from './components/weight-dir
     BlockOverviewTooltipComponent,
     BlockFiltersComponent,
     TransactionsListComponent,
-    AddressComponent,
     AddressGroupComponent,
     SearchFormComponent,
     AddressLabelsComponent,