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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | 43x 43x 43x 122x 43x 130x 130x 130x 3253x 21304x 3253x 439x 130x 1341x 121x 121x 130x 345x 431x 130x 431x 212x 263x 130x 120x 120x 120x 120x | import { EMPTY, Observable, combineLatest, concat, debounce, debounceTime, distinctUntilChanged, filter, interval, map, mergeMap, of, share, skipWhile, switchMap, take, tap, timer } from 'rxjs'; import { Logger } from 'ts-log'; import { Milliseconds } from '../types'; import { ProviderFnStats } from './ProviderTracker'; import { TrackedAssetProvider } from './TrackedAssetProvider'; import { TrackedChainHistoryProvider } from './TrackedChainHistoryProvider'; import { TrackedDrepProvider } from './TrackedDrepProvider'; import { TrackedRewardsProvider } from './TrackedRewardsProvider'; import { TrackedStakePoolProvider } from './TrackedStakePoolProvider'; import { TrackedUtxoProvider } from './TrackedUtxoProvider'; import { TrackedWalletNetworkInfoProvider } from './TrackedWalletNetworkInfoProvider'; import { TrackerSubject } from '@cardano-sdk/util-rxjs'; export interface ProviderStatusTrackerProps { consideredOutOfSyncAfter: Milliseconds; } export interface ProviderStatusTrackerDependencies { stakePoolProvider: TrackedStakePoolProvider; networkInfoProvider: TrackedWalletNetworkInfoProvider; assetProvider: TrackedAssetProvider; utxoProvider: TrackedUtxoProvider; chainHistoryProvider: TrackedChainHistoryProvider; drepProvider: TrackedDrepProvider; rewardsProvider: TrackedRewardsProvider; logger: Logger; } const getDefaultProviderSyncRelevantStats = ({ stakePoolProvider, networkInfoProvider, assetProvider, utxoProvider, chainHistoryProvider, rewardsProvider, drepProvider }: ProviderStatusTrackerDependencies): Observable<ProviderFnStats[]> => combineLatest([ networkInfoProvider.stats.ledgerTip$, networkInfoProvider.stats.protocolParameters$, networkInfoProvider.stats.genesisParameters$, networkInfoProvider.stats.eraSummaries$, assetProvider.stats.getAsset$, stakePoolProvider.stats.queryStakePools$, utxoProvider.stats.utxoByAddresses$, chainHistoryProvider.stats.transactionsByAddresses$, drepProvider.stats.getDRepInfo$, rewardsProvider.stats.rewardsHistory$, rewardsProvider.stats.rewardAccountBalance$ ]); export interface ProviderStatusTrackerInternals { /** * @returns Observable of Provider stats that are considered * when determining Wallet sync status */ getProviderSyncRelevantStats?: typeof getDefaultProviderSyncRelevantStats; } export const createProviderStatusTracker = ( dependencies: ProviderStatusTrackerDependencies, { consideredOutOfSyncAfter }: ProviderStatusTrackerProps, { getProviderSyncRelevantStats = getDefaultProviderSyncRelevantStats }: ProviderStatusTrackerInternals = {} ) => { const logger = dependencies.logger; const relevantStats$ = getProviderSyncRelevantStats(dependencies).pipe(share()); const isAnyRequestPending$ = new TrackerSubject<boolean>( relevantStats$.pipe( map((allStats) => allStats.some( ({ numCalls, numFailures, numResponses, didLastRequestFail }) => didLastRequestFail || numCalls > numResponses + numFailures ) ), // do not debounce if there are pending requests; in case of many requests, it will be debounced // for a long time, leaving the previous status unchanged debounce((isReqPending) => (isReqPending ? of(true) : interval(1))), distinctUntilChanged(), tap((isReqPending) => logger.debug(`${isReqPending ? 'Some' : 'No'} requests are pending`)) ) ); const statsReady$ = relevantStats$.pipe( debounceTime(1), skipWhile((allStats) => allStats.some(({ initialized }) => !initialized)), take(1), tap(() => logger.debug('All stats are initialized')), mergeMap(() => EMPTY) ); const isSettled$ = new TrackerSubject<boolean>( concat(of(false), statsReady$, isAnyRequestPending$.pipe(map((pending) => !pending))).pipe( distinctUntilChanged(), tap((isSettled) => logger.debug('isSettled', isSettled)) ) ); const isUpToDate$ = new TrackerSubject<boolean>( concat( of(false), isSettled$.pipe( filter((isSettled) => isSettled), switchMap(() => concat(of(true), timer(consideredOutOfSyncAfter).pipe(map(() => false)))), distinctUntilChanged() ) ).pipe(tap((isUpToDate) => logger.debug('isUpToDate', isUpToDate))) ); return { isAnyRequestPending$, isSettled$, isUpToDate$, shutdown() { isAnyRequestPending$.complete(); isSettled$.complete(); isUpToDate$.complete(); logger.debug('Shutdown'); } }; }; |