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Refactor pool block list observable

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nymkappa 2022-06-02 21:55:33 +02:00
parent 429b4f2bc6
commit 56e996c893
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1 changed files with 13 additions and 5 deletions
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16
frontend/src/app/components/blocks-list/blocks-list.component.ts
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@ -1,5 +1,5 @@
import { Component, OnInit, ChangeDetectionStrategy, Input } from '@angular/core';
import { BehaviorSubject, combineLatest, Observable, timer } from 'rxjs';
import { BehaviorSubject, combineLatest, concat, Observable, timer } from 'rxjs';
import { delayWhen, map, retryWhen, scan, skip, switchMap, tap } from 'rxjs/operators';
import { BlockExtended } from 'src/app/interfaces/node-api.interface';
import { ApiService } from 'src/app/services/api.service';
@ -15,7 +15,7 @@ import { WebsocketService } from 'src/app/services/websocket.service';
export class BlocksList implements OnInit {
@Input() widget: boolean = false;
blocks$: Observable<any[]> = undefined;
blocks$: Observable<BlockExtended[]> = undefined;
indexingAvailable = false;
isLoading = true;
@ -27,6 +27,7 @@ export class BlocksList implements OnInit {
blocksCount: number;
fromHeightSubject: BehaviorSubject<number> = new BehaviorSubject(this.fromBlockHeight);
skeletonLines: number[] = [];
lastBlockHeight = -1;
constructor(
private apiService: ApiService,
@ -57,6 +58,7 @@ export class BlocksList implements OnInit {
this.blocksCount = blocks[0].height + 1;
}
this.isLoading = false;
this.lastBlockHeight = Math.max(...blocks.map(o => o.height))
}),
map(blocks => {
if (this.indexingAvailable) {
@ -77,8 +79,14 @@ export class BlocksList implements OnInit {
),
this.stateService.blocks$
.pipe(
skip(this.stateService.env.MEMPOOL_BLOCKS_AMOUNT - 1),
),
switchMap((block) => {
if (block[0].height <= this.lastBlockHeight) {
return []; // Return an empty stream so the last pipe is not executed
}
this.lastBlockHeight = block[0].height;
return [block];
})
)
])
.pipe(
scan((acc, blocks) => {