mempool/frontend/src/app/bisq/bisq-block/bisq-block.component.ts
2023-08-30 20:47:57 +09:00

106 lines
3.7 KiB
TypeScript

import { Component, OnInit, OnDestroy } from '@angular/core';
import { BisqBlock } from '../../bisq/bisq.interfaces';
import { Location } from '@angular/common';
import { BisqApiService } from '../bisq-api.service';
import { ActivatedRoute, ParamMap, Router } from '@angular/router';
import { Subscription, of } from 'rxjs';
import { switchMap, catchError } from 'rxjs/operators';
import { SeoService } from '../../services/seo.service';
import { ElectrsApiService } from '../../services/electrs-api.service';
import { HttpErrorResponse } from '@angular/common/http';
import { WebsocketService } from '../../services/websocket.service';
@Component({
selector: 'app-bisq-block',
templateUrl: './bisq-block.component.html',
styleUrls: ['./bisq-block.component.scss']
})
export class BisqBlockComponent implements OnInit, OnDestroy {
block: BisqBlock;
subscription: Subscription;
blockHash = '';
blockHeight = 0;
isLoading = true;
error: HttpErrorResponse | null;
constructor(
private websocketService: WebsocketService,
private bisqApiService: BisqApiService,
private route: ActivatedRoute,
private seoService: SeoService,
private electrsApiService: ElectrsApiService,
private router: Router,
private location: Location,
) { }
ngOnInit(): void {
this.websocketService.want(['blocks']);
this.subscription = this.route.paramMap
.pipe(
switchMap((params: ParamMap) => {
const blockHash = params.get('id') || '';
document.body.scrollTo(0, 0);
this.isLoading = true;
this.error = null;
if (history.state.data && history.state.data.blockHeight) {
this.blockHeight = history.state.data.blockHeight;
}
if (history.state.data && history.state.data.block) {
this.blockHeight = history.state.data.block.height;
return of(history.state.data.block);
}
let isBlockHeight = false;
if (/^[0-9]+$/.test(blockHash)) {
isBlockHeight = true;
} else {
this.blockHash = blockHash;
}
if (isBlockHeight) {
return this.electrsApiService.getBlockHashFromHeight$(parseInt(blockHash, 10))
.pipe(
switchMap((hash) => {
if (!hash) {
return;
}
this.blockHash = hash;
this.location.replaceState(
this.router.createUrlTree(['/bisq/block/', hash]).toString()
);
return this.bisqApiService.getBlock$(this.blockHash)
.pipe(catchError(this.caughtHttpError.bind(this)));
}),
catchError(this.caughtHttpError.bind(this))
);
}
return this.bisqApiService.getBlock$(this.blockHash)
.pipe(catchError(this.caughtHttpError.bind(this)));
})
)
.subscribe((block: BisqBlock) => {
if (!block) {
this.seoService.logSoft404();
return;
}
this.isLoading = false;
this.blockHeight = block.height;
this.seoService.setTitle($localize`:@@bisq-block.component.browser-title:Block ${block.height}:BLOCK_HEIGHT:: ${block.hash}:BLOCK_HASH:`);
this.seoService.setDescription($localize`:@@meta.description.bisq.block:See all BSQ transactions in Bitcoin block ${block.height}:BLOCK_HEIGHT: (block hash ${block.hash}:BLOCK_HASH:).`);
this.block = block;
});
}
ngOnDestroy() {
this.subscription.unsubscribe();
}
caughtHttpError(err: HttpErrorResponse){
this.error = err;
this.seoService.logSoft404();
return of(null);
}
}