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Handle network interruptions in scrollable blockchain

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This commit is contained in:
Mononaut
2023-02-08 19:07:59 -06:00
parent ffb6f77da6
commit 85024c2ddd
7 changed files with 32 additions and 9 deletions
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2
frontend/src/app/components/blockchain/blockchain.component.html
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@@ -6,7 +6,7 @@
<app-mempool-blocks [hidden]="pageIndex > 0"></app-mempool-blocks>
<app-blockchain-blocks [hidden]="pageIndex > 0"></app-blockchain-blocks>
<ng-container *ngFor="let page of pages; trackBy: trackByPageFn">
<app-blockchain-blocks [static]="true" [offset]="page.offset" [height]="page.height" [count]="blocksPerPage"></app-blockchain-blocks>
<app-blockchain-blocks [static]="true" [offset]="page.offset" [height]="page.height" [count]="blocksPerPage" [loadingTip]="loadingTip" [connected]="connected"></app-blockchain-blocks>
</ng-container>
</div>
<div id="divider" [hidden]="pageIndex > 0">

12
frontend/src/app/components/blockchain/blockchain.component.ts
View File

@@ -1,5 +1,5 @@
import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, Input, OnChanges, SimpleChanges } from '@angular/core';
import { Subscription } from 'rxjs';
import { firstValueFrom, Subscription } from 'rxjs';
import { StateService } from '../../services/state.service';
@Component({
@@ -18,6 +18,9 @@ export class BlockchainComponent implements OnInit, OnDestroy {
timeLtrSubscription: Subscription;
timeLtr: boolean = this.stateService.timeLtr.value;
ltrTransitionEnabled = false;
connectionStateSubscription: Subscription;
loadingTip: boolean = true;
connected: boolean = true;
constructor(
public stateService: StateService,
@@ -28,10 +31,17 @@ export class BlockchainComponent implements OnInit, OnDestroy {
this.timeLtrSubscription = this.stateService.timeLtr.subscribe((ltr) => {
this.timeLtr = !!ltr;
});
this.connectionStateSubscription = this.stateService.connectionState$.subscribe(state => {
this.connected = (state === 2);
})
firstValueFrom(this.stateService.chainTip$).then(tip => {
this.loadingTip = false;
});
}
ngOnDestroy() {
this.timeLtrSubscription.unsubscribe();
this.connectionStateSubscription.unsubscribe();
}
trackByPageFn(index: number, item: { index: number }) {