52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
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import { ChangeDetectionStrategy, Component, Input, OnInit } from '@angular/core';
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import { Observable, map } from 'rxjs';
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@Component({
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selector: 'app-reserves-ratio-stats',
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templateUrl: './reserves-ratio-stats.component.html',
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styleUrls: ['./reserves-ratio-stats.component.scss'],
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changeDetection: ChangeDetectionStrategy.OnPush,
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})
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export class ReservesRatioStatsComponent implements OnInit {
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@Input() fullHistory$: Observable<any>;
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unbackedMonths$: Observable<any>
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constructor() { }
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ngOnInit(): void {
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if (!this.fullHistory$) {
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return;
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}
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this.unbackedMonths$ = this.fullHistory$
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.pipe(
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map((fullHistory) => {
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if (fullHistory.liquidPegs.series.length !== fullHistory.liquidReserves.series.length) {
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return {
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historyComplete: false,
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total: null
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};
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}
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// Only check the last 3 years
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let ratioSeries = fullHistory.liquidReserves.series.map((value: number, index: number) => value / fullHistory.liquidPegs.series[index]);
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ratioSeries = ratioSeries.slice(Math.max(ratioSeries.length - 36, 0));
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let total = 0;
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let avg = 0;
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for (let i = 0; i < ratioSeries.length; i++) {
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avg += ratioSeries[i];
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if (ratioSeries[i] < 1) {
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total++;
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}
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}
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avg = avg / ratioSeries.length;
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return {
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historyComplete: true,
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total: total,
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avg: avg,
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};
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})
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);
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}
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}
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