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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 | 42x 42x 1496x 1496x 1496x 1487x 1487x 1487x 9x 9x 62x | import { BehaviorSubject } from 'rxjs';
export interface ProviderFnStats {
numCalls: number;
numResponses: number;
numFailures: number;
/**
* Either:
* - at least 1 response received
* - was set manually (via setStatInitialized) to indicate that it won't make a request on wallet initialization
*/
initialized?: boolean;
didLastRequestFail?: boolean;
}
export const CLEAN_FN_STATS: ProviderFnStats = { numCalls: 0, numFailures: 0, numResponses: 0 };
/** Wraps a Provider, tracking # of calls of each function */
export abstract class ProviderTracker {
protected async trackedCall<T>(call: () => Promise<T>, tracker: BehaviorSubject<ProviderFnStats>) {
tracker.next({ ...tracker.value, numCalls: tracker.value.numCalls + 1 });
try {
const result = await call();
const numResponses = tracker.value.numResponses + 1;
tracker.next({
...tracker.value,
didLastRequestFail: false,
initialized: true,
numResponses
});
return result;
} catch (error) {
tracker.next({
...tracker.value,
didLastRequestFail: true,
numFailures: tracker.value.numFailures + 1
});
throw error;
}
}
setStatInitialized(tracker: BehaviorSubject<ProviderFnStats>) {
tracker.next({
...tracker.value,
initialized: true
});
}
}
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