Add block rewards chart

2022-04-11 20:57:13 +09:00
parent 233af87eb4
commit 8fb488a675
12 changed files with 502 additions and 19 deletions
--- a/frontend/src/app/components/block-rewards-graph/block-rewards-graph.component.ts
+++ b/frontend/src/app/components/block-rewards-graph/block-rewards-graph.component.ts
@@ -0,0 +1,200 @@
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Inject, Input, LOCALE_ID, OnInit } from '@angular/core';
+import { EChartsOption, graphic } from 'echarts';
+import { Observable } from 'rxjs';
+import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
+import { ApiService } from 'src/app/services/api.service';
+import { SeoService } from 'src/app/services/seo.service';
+import { formatNumber } from '@angular/common';
+import { FormBuilder, FormGroup } from '@angular/forms';
+import { formatterXAxisLabel } from 'src/app/shared/graphs.utils';
+import { MiningService } from 'src/app/services/mining.service';
+import { StorageService } from 'src/app/services/storage.service';
+
+@Component({
+  selector: 'app-block-rewards-graph',
+  templateUrl: './block-rewards-graph.component.html',
+  styleUrls: ['./block-rewards-graph.component.scss'],
+  styles: [`
+    .loadingGraphs {
+      position: absolute;
+      top: 50%;
+      left: calc(50% - 15px);
+      z-index: 100;
+    }
+  `],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class BlockRewardsGraphComponent implements OnInit {
+  @Input() right: number | string = 45;
+  @Input() left: number | string = 75;
+
+  miningWindowPreference: string;
+  radioGroupForm: FormGroup;
+
+  chartOptions: EChartsOption = {};
+  chartInitOptions = {
+    renderer: 'svg',
+  };
+
+  statsObservable$: Observable<any>;
+  isLoading = true;
+  formatNumber = formatNumber;
+  timespan = '';
+
+  constructor(
+    @Inject(LOCALE_ID) public locale: string,
+    private seoService: SeoService,
+    private apiService: ApiService,
+    private formBuilder: FormBuilder,
+    private miningService: MiningService,
+    private storageService: StorageService
+  ) {
+  }
+
+  ngOnInit(): void {
+    this.seoService.setTitle($localize`:@@mining.block-reward:Block Reward`);
+    this.miningWindowPreference = this.miningService.getDefaultTimespan('24h');
+    this.radioGroupForm = this.formBuilder.group({ dateSpan: this.miningWindowPreference });
+    this.radioGroupForm.controls.dateSpan.setValue(this.miningWindowPreference);
+
+    this.statsObservable$ = this.radioGroupForm.get('dateSpan').valueChanges
+      .pipe(
+        startWith(this.miningWindowPreference),
+        switchMap((timespan) => {
+          this.storageService.setValue('miningWindowPreference', timespan);
+          this.timespan = timespan;
+          this.isLoading = true;
+          return this.apiService.getHistoricalBlockRewards$(timespan)
+            .pipe(
+              tap((data: any) => {
+                this.prepareChartOptions({
+                  blockRewards: data.blockRewards.map(val => [val.timestamp * 1000, val.avg_rewards / 100000000]),
+                });
+                this.isLoading = false;
+              }),
+              map((data: any) => {
+                const availableTimespanDay = (
+                  (new Date().getTime() / 1000) - (data.oldestIndexedBlockTimestamp)
+                ) / 3600 / 24;
+
+                return {
+                  availableTimespanDay: availableTimespanDay,
+                };
+              }),
+            );
+        }),
+        share()
+      );
+  }
+
+  prepareChartOptions(data) {
+    this.chartOptions = {
+      animation: false,
+      color: [
+        new graphic.LinearGradient(0, 0, 0, 0.65, [
+          { offset: 0, color: '#F4511E' },
+          { offset: 0.25, color: '#FB8C00' },
+          { offset: 0.5, color: '#FFB300' },
+          { offset: 0.75, color: '#FDD835' },
+          { offset: 1, color: '#7CB342' }
+        ]),
+      ],
+      grid: {
+        top: 20,
+        bottom: 80,
+        right: this.right,
+        left: this.left,
+      },
+      tooltip: {
+        show: !this.isMobile(),
+        trigger: 'axis',
+        axisPointer: {
+          type: 'line'
+        },
+        backgroundColor: 'rgba(17, 19, 31, 1)',
+        borderRadius: 4,
+        shadowColor: 'rgba(0, 0, 0, 0.5)',
+        textStyle: {
+          color: '#b1b1b1',
+          align: 'left',
+        },
+        borderColor: '#000',
+        formatter: (ticks) => {
+          const tick = ticks[0];
+          const rewardsString = `${tick.marker} ${tick.seriesName}: ${formatNumber(tick.data[1], this.locale, '1.3-3')} BTC`;
+          return `
+            <b style="color: white; margin-left: 18px">${tick.axisValueLabel}</b><br>
+            <span>${rewardsString}</span>
+          `;
+        }
+      },
+      xAxis: {
+        name: formatterXAxisLabel(this.locale, this.timespan),
+        nameLocation: 'middle',
+        nameTextStyle: {
+          padding: [10, 0, 0, 0],
+        },
+        type: 'time',
+        splitNumber: this.isMobile() ? 5 : 10,
+      },
+      yAxis: [
+        {
+          min: value => Math.round(10 * value.min * 0.99) / 10,
+          max: value => Math.round(10 * value.max * 1.01) / 10,
+          type: 'value',
+          axisLabel: {
+            color: 'rgb(110, 112, 121)',
+            formatter: (val) => {
+              return `${val} BTC`;
+            }
+          },
+          splitLine: {
+            show: false,
+          }
+        },
+      ],
+      series: [
+        {
+          zlevel: 0,
+          name: 'Reward',
+          showSymbol: false,
+          symbol: 'none',
+          data: data.blockRewards,
+          type: 'line',
+          lineStyle: {
+            width: 2,
+          },
+        },
+      ],
+      dataZoom: [{
+        type: 'inside',
+        realtime: true,
+        zoomLock: true,
+        maxSpan: 100,
+        minSpan: 10,
+        moveOnMouseMove: false,
+      }, {
+        showDetail: false,
+        show: true,
+        type: 'slider',
+        brushSelect: false,
+        realtime: true,
+        left: 20,
+        right: 15,
+        selectedDataBackground: {
+          lineStyle: {
+            color: '#fff',
+            opacity: 0.45,
+          },
+          areaStyle: {
+            opacity: 0,
+          }
+        },
+      }],
+    };
+  }
+
+  isMobile() {
+    return (window.innerWidth <= 767.98);
+  }
+}