All files / src/services/ProviderTracker TrackedRewardsProvider.ts

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import { BehaviorSubject } from 'rxjs';
import { CLEAN_FN_STATS, ProviderFnStats, ProviderTracker } from './ProviderTracker';
import { RewardsProvider } from '@cardano-sdk/core';
 
export class RewardsProviderStats {
  readonly healthCheck$ = new BehaviorSubject<ProviderFnStats>(CLEAN_FN_STATS);
  readonly rewardsHistory$ = new BehaviorSubject<ProviderFnStats>(CLEAN_FN_STATS);
  readonly rewardAccountBalance$ = new BehaviorSubject<ProviderFnStats>(CLEAN_FN_STATS);
 
  shutdown() {
    this.healthCheck$.complete();
    this.rewardsHistory$.complete();
    this.rewardAccountBalance$.complete();
  }
 
  reset() {
    this.healthCheck$.next(CLEAN_FN_STATS);
    this.rewardsHistory$.next(CLEAN_FN_STATS);
    this.rewardAccountBalance$.next(CLEAN_FN_STATS);
  }
}
 
/** Wraps a RewardsProvider, tracking # of calls of each function */
export class TrackedRewardsProvider extends ProviderTracker implements RewardsProvider {
  readonly stats = new RewardsProviderStats();
  readonly healthCheck: RewardsProvider['healthCheck'];
  readonly rewardsHistory: RewardsProvider['rewardsHistory'];
  readonly rewardAccountBalance: RewardsProvider['rewardAccountBalance'];
 
  constructor(rewardsProvider: RewardsProvider) {
    super();
    rewardsProvider = rewardsProvider;
 
    this.healthCheck = () => this.trackedCall(() => rewardsProvider.healthCheck(), this.stats.healthCheck$);
 
    this.rewardsHistory = (fragments) =>
      this.trackedCall(() => rewardsProvider.rewardsHistory(fragments), this.stats.rewardsHistory$);
 
    this.rewardAccountBalance = (fragments) =>
      this.trackedCall(() => rewardsProvider.rewardAccountBalance(fragments), this.stats.rewardAccountBalance$);
  }
}