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Fetch historical data based on timestamp and currency

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This commit is contained in:
natsoni
2024-03-09 16:32:21 +01:00
parent 23076172e4
commit ccf1121f19
7 changed files with 100 additions and 29 deletions
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14
frontend/src/app/services/price.service.ts
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@@ -98,6 +98,8 @@ export class PriceService {
lastQueriedTimestamp: number;
lastPriceHistoryUpdate: number;
lastQueriedCurrency: string;
lastQueriedHistoricalCurrency: string;
historicalPrice: ConversionDict = {
prices: null,
@@ -130,7 +132,7 @@ export class PriceService {
};
}
getBlockPrice$(blockTimestamp: number, singlePrice = false): Observable<Price | undefined> {
getBlockPrice$(blockTimestamp: number, singlePrice = false, currency: string): Observable<Price | undefined> {
if (this.stateService.env.BASE_MODULE !== 'mempool' || !this.stateService.env.HISTORICAL_PRICE) {
return of(undefined);
}
@@ -142,9 +144,10 @@ export class PriceService {
* query a different timestamp than the last one
*/
if (singlePrice) {
if (!this.singlePriceObservable$ || (this.singlePriceObservable$ && blockTimestamp !== this.lastQueriedTimestamp)) {
this.singlePriceObservable$ = this.apiService.getHistoricalPrice$(blockTimestamp).pipe(shareReplay());
if (!this.singlePriceObservable$ || (this.singlePriceObservable$ && (blockTimestamp !== this.lastQueriedTimestamp || currency !== this.lastQueriedCurrency))) {
this.singlePriceObservable$ = this.apiService.getHistoricalPrice$(blockTimestamp, currency).pipe(shareReplay());
this.lastQueriedTimestamp = blockTimestamp;
this.lastQueriedCurrency = currency;
}
return this.singlePriceObservable$.pipe(
@@ -177,9 +180,10 @@ export class PriceService {
* Query all price history only once. The observable is invalidated after 1 hour
*/
else {
if (!this.priceObservable$ || (this.priceObservable$ && (now - this.lastPriceHistoryUpdate > 3600))) {
this.priceObservable$ = this.apiService.getHistoricalPrice$(undefined).pipe(shareReplay());
if (!this.priceObservable$ || (this.priceObservable$ && (now - this.lastPriceHistoryUpdate > 3600 || currency !== this.lastQueriedHistoricalCurrency))) {
this.priceObservable$ = this.apiService.getHistoricalPrice$(undefined, currency).pipe(shareReplay());
this.lastPriceHistoryUpdate = new Date().getTime() / 1000;
this.lastQueriedHistoricalCurrency = currency;
}
return this.priceObservable$.pipe(