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Merge pull request #1905 from mempool/nymkappa/feature/preload-prev-block-summary

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Preload the previous block summary
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wiz 2022-06-23 18:25:00 +09:00 committed by GitHub
commit fa0373c181
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1 changed files with 24 additions and 0 deletions
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24
frontend/src/app/components/block/block.component.ts
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@ -53,6 +53,9 @@ export class BlockComponent implements OnInit, OnDestroy {
blocksSubscription: Subscription;
networkChangedSubscription: Subscription;
queryParamsSubscription: Subscription;
nextBlockSubscription: Subscription = undefined;
nextBlockSummarySubscription: Subscription = undefined;
nextBlockTxListSubscription: Subscription = undefined;
@ViewChild('blockGraph') blockGraph: BlockOverviewGraphComponent;
@ -152,6 +155,14 @@ export class BlockComponent implements OnInit, OnDestroy {
}
}),
tap((block: BlockExtended) => {
// Preload previous block summary (execute the http query so the response will be cached)
this.unsubscribeNextBlockSubscriptions();
setTimeout(() => {
this.nextBlockSubscription = this.apiService.getBlock$(block.previousblockhash).subscribe();
this.nextBlockTxListSubscription = this.electrsApiService.getBlockTransactions$(block.previousblockhash).subscribe();
this.nextBlockSummarySubscription = this.apiService.getStrippedBlockTransactions$(block.previousblockhash).subscribe();
}, 100);
this.block = block;
this.blockHeight = block.height;
const direction = (this.lastBlockHeight < this.blockHeight) ? 'right' : 'left';
@ -265,6 +276,19 @@ export class BlockComponent implements OnInit, OnDestroy {
this.blocksSubscription.unsubscribe();
this.networkChangedSubscription.unsubscribe();
this.queryParamsSubscription.unsubscribe();
this.unsubscribeNextBlockSubscriptions();
}
unsubscribeNextBlockSubscriptions() {
if (this.nextBlockSubscription !== undefined) {
this.nextBlockSubscription.unsubscribe();
}
if (this.nextBlockSummarySubscription !== undefined) {
this.nextBlockSummarySubscription.unsubscribe();
}
if (this.nextBlockTxListSubscription !== undefined) {
this.nextBlockTxListSubscription.unsubscribe();
}
}
// TODO - Refactor this.fees/this.reward for liquid because it is not