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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 | 42x 42x 42x 123x 42x 131x 131x 131x 2845x 15504x 2845x 445x 131x 1117x 122x 122x 131x 347x 437x 131x 437x 215x 265x 131x 118x 118x 118x 118x | 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 { TrackedRewardAccountInfoProvider } from './TrackedRewardAccountInfoProvider';
import { TrackedRewardsProvider } from './TrackedRewardsProvider';
import { TrackedUtxoProvider } from './TrackedUtxoProvider';
import { TrackedWalletNetworkInfoProvider } from './TrackedWalletNetworkInfoProvider';
import { TrackerSubject } from '@cardano-sdk/util-rxjs';
export interface ProviderStatusTrackerProps {
consideredOutOfSyncAfter: Milliseconds;
}
export interface ProviderStatusTrackerDependencies {
networkInfoProvider: TrackedWalletNetworkInfoProvider;
assetProvider: TrackedAssetProvider;
utxoProvider: TrackedUtxoProvider;
chainHistoryProvider: TrackedChainHistoryProvider;
rewardsProvider: TrackedRewardsProvider;
rewardAccountInfoProvider: TrackedRewardAccountInfoProvider;
logger: Logger;
}
const getDefaultProviderSyncRelevantStats = ({
networkInfoProvider,
assetProvider,
utxoProvider,
chainHistoryProvider,
rewardAccountInfoProvider,
rewardsProvider
}: ProviderStatusTrackerDependencies): Observable<ProviderFnStats[]> =>
combineLatest([
networkInfoProvider.stats.ledgerTip$,
networkInfoProvider.stats.protocolParameters$,
networkInfoProvider.stats.genesisParameters$,
networkInfoProvider.stats.eraSummaries$,
assetProvider.stats.getAsset$,
utxoProvider.stats.utxoByAddresses$,
chainHistoryProvider.stats.transactionsByAddresses$,
rewardsProvider.stats.rewardsHistory$,
rewardAccountInfoProvider.stats.rewardAccountInfo$
]);
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');
}
};
};
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