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Replace acceleration API polling with websocket

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This commit is contained in:
Mononaut
2024-05-04 00:18:33 +00:00
parent 8ec5dd70e0
commit a29b29300e
8 changed files with 136 additions and 32 deletions
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26
frontend/src/app/services/state.service.ts
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@@ -1,8 +1,8 @@
import { Inject, Injectable, PLATFORM_ID, LOCALE_ID } from '@angular/core';
import { ReplaySubject, BehaviorSubject, Subject, fromEvent, Observable, merge } from 'rxjs';
import { ReplaySubject, BehaviorSubject, Subject, fromEvent, Observable } from 'rxjs';
import { Transaction } from '../interfaces/electrs.interface';
import { HealthCheckHost, IBackendInfo, MempoolBlock, MempoolBlockDelta, MempoolBlockUpdate, MempoolInfo, Recommendedfees, ReplacedTransaction, ReplacementInfo, isMempoolState } from '../interfaces/websocket.interface';
import { BlockExtended, CpfpInfo, DifficultyAdjustment, MempoolPosition, OptimizedMempoolStats, RbfTree, TransactionStripped } from '../interfaces/node-api.interface';
import { AccelerationDelta, HealthCheckHost, IBackendInfo, MempoolBlock, MempoolBlockUpdate, MempoolInfo, Recommendedfees, ReplacedTransaction, ReplacementInfo, isMempoolState } from '../interfaces/websocket.interface';
import { Acceleration, BlockExtended, CpfpInfo, DifficultyAdjustment, MempoolPosition, OptimizedMempoolStats, RbfTree, TransactionStripped } from '../interfaces/node-api.interface';
import { Router, NavigationStart } from '@angular/router';
import { isPlatformBrowser } from '@angular/common';
import { filter, map, scan, shareReplay } from 'rxjs/operators';
@@ -129,6 +129,8 @@ export class StateService {
mempoolBlocks$ = new ReplaySubject<MempoolBlock[]>(1);
mempoolBlockUpdate$ = new Subject<MempoolBlockUpdate>();
liveMempoolBlockTransactions$: Observable<{ [txid: string]: TransactionStripped}>;
accelerations$ = new Subject<AccelerationDelta>();
liveAccelerations$: Observable<Acceleration[]>;
txConfirmed$ = new Subject<[string, BlockExtended]>();
txReplaced$ = new Subject<ReplacedTransaction>();
txRbfInfo$ = new Subject<RbfTree>();
@@ -238,6 +240,24 @@ export class StateService {
}
}, {}));
// Emits the full list of pending accelerations each time it changes
this.liveAccelerations$ = this.accelerations$.pipe(
scan((accelerations: { [txid: string]: Acceleration }, delta: AccelerationDelta) => {
if (delta.reset) {
accelerations = {};
} else {
for (const txid of delta.removed) {
delete accelerations[txid];
}
}
for (const acc of delta.added) {
accelerations[acc.txid] = acc;
}
return accelerations;
}, {}),
map((accMap) => Object.values(accMap).sort((a,b) => b.added - a.added))
);
this.networkChanged$.subscribe((network) => {
this.transactions$ = new BehaviorSubject<TransactionStripped[]>(null);
this.blocksSubject$.next([]);