mempool/frontend/src/app/components/fees-box/fees-box.component.ts

49 lines
2.0 KiB
TypeScript

import { Component, OnInit, ChangeDetectionStrategy } from '@angular/core';
import { StateService } from '../../services/state.service';
import { Observable, combineLatest } from 'rxjs';
import { Recommendedfees } from '../../interfaces/websocket.interface';
import { feeLevels, mempoolFeeColors } from '../../app.constants';
import { map, startWith, tap } from 'rxjs/operators';
@Component({
selector: 'app-fees-box',
templateUrl: './fees-box.component.html',
styleUrls: ['./fees-box.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class FeesBoxComponent implements OnInit {
isLoading$: Observable<boolean>;
recommendedFees$: Observable<Recommendedfees>;
gradient = 'linear-gradient(to right, #2e324e, #2e324e)';
noPriority = '#2e324e';
constructor(
private stateService: StateService
) { }
ngOnInit(): void {
this.isLoading$ = combineLatest(
this.stateService.isLoadingWebSocket$.pipe(startWith(false)),
this.stateService.loadingIndicators$.pipe(startWith({ mempool: 0 })),
).pipe(map(([socket, indicators]) => {
return socket || (indicators.mempool != null && indicators.mempool !== 100);
}));
this.recommendedFees$ = this.stateService.recommendedFees$
.pipe(
tap((fees) => {
let feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.minimumFee >= feeLvl);
feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
const startColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
feeLevelIndex = feeLevels.slice().reverse().findIndex((feeLvl) => fees.fastestFee >= feeLvl);
feeLevelIndex = feeLevelIndex >= 0 ? feeLevels.length - feeLevelIndex : feeLevelIndex;
const endColor = '#' + (mempoolFeeColors[feeLevelIndex - 1] || mempoolFeeColors[mempoolFeeColors.length - 1]);
this.gradient = `linear-gradient(to right, ${startColor}, ${endColor})`;
this.noPriority = startColor;
}
)
);
}
}