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Allow historical price api to return data of a single currency

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This commit is contained in:
natsoni 2024-03-07 18:33:19 +01:00
parent f121d16544
commit b043d698ca
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GPG Key ID: C65917583181743B
3 changed files with 85 additions and 11 deletions
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17
backend/src/api/mining/mining-routes.ts
View File

@ -51,13 +51,20 @@ class MiningRoutes {
res.status(400).send('Prices are not available on testnets.');
return;
}
if (req.query.timestamp) {
res.status(200).send(await PricesRepository.$getNearestHistoricalPrice(
parseInt(<string>req.query.timestamp ?? 0, 10)
));
const timestamp = parseInt(req.query.timestamp as string, 10) || 0;
const currency = req.query.currency as string;
let response;
if (timestamp && currency) {
response = await PricesRepository.$getNearestHistoricalPrice(timestamp, currency);
} else if (timestamp) {
response = await PricesRepository.$getNearestHistoricalPrice(timestamp);
} else if (currency) {
response = await PricesRepository.$getHistoricalPrices(currency);
} else {
res.status(200).send(await PricesRepository.$getHistoricalPrices());
response = await PricesRepository.$getHistoricalPrices();
}
res.status(200).send(response);
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);
}

38
backend/src/repositories/PricesRepository.ts
View File

@ -315,7 +315,7 @@ class PricesRepository {
return rates[0] as ApiPrice;
}
public async $getNearestHistoricalPrice(timestamp: number | undefined): Promise<Conversion | null> {
public async $getNearestHistoricalPrice(timestamp: number | undefined, currency?: string): Promise<Conversion | null> {
try {
const [rates] = await DB.query(`
SELECT ${ApiPriceFields}
@ -379,7 +379,23 @@ class PricesRepository {
USDCHF: computeFx(latestPrice.USD, latestPrice.CHF),
USDAUD: computeFx(latestPrice.USD, latestPrice.AUD),
USDJPY: computeFx(latestPrice.USD, latestPrice.JPY),
};
if (currency) {
if (!latestPrice[currency]) {
return null;
}
const filteredRates = rates.map((rate: any) => {
return {
time: rate.time,
[currency]: rate[currency]
};
});
return {
prices: filteredRates as ApiPrice[],
exchangeRates: exchangeRates
};
}
return {
prices: rates as ApiPrice[],
@ -391,7 +407,7 @@ class PricesRepository {
}
}
public async $getHistoricalPrices(): Promise<Conversion | null> {
public async $getHistoricalPrices(currency?: string): Promise<Conversion | null> {
try {
const [rates] = await DB.query(`
SELECT ${ApiPriceFields}
@ -411,7 +427,7 @@ class PricesRepository {
const computeFx = (usd: number, other: number): number =>
Math.round(Math.max(other, 0) / Math.max(usd, 1) * 100) / 100;
const exchangeRates: ExchangeRates = config.MEMPOOL.CURRENCY_API_KEY ?
const exchangeRates: ExchangeRates = config.MEMPOOL.CURRENCY_API_KEY ?
{
USDEUR: computeFx(latestPrice.USD, latestPrice.EUR),
USDGBP: computeFx(latestPrice.USD, latestPrice.GBP),
@ -452,7 +468,23 @@ class PricesRepository {
USDCHF: computeFx(latestPrice.USD, latestPrice.CHF),
USDAUD: computeFx(latestPrice.USD, latestPrice.AUD),
USDJPY: computeFx(latestPrice.USD, latestPrice.JPY),
};
if (currency) {
if (!latestPrice[currency]) {
return null;
}
const filteredRates = rates.map((rate: any) => {
return {
time: rate.time,
[currency]: rate[currency]
};
});
return {
prices: filteredRates as ApiPrice[],
exchangeRates: exchangeRates
};
}
return {
prices: rates as ApiPrice[],

41
frontend/src/app/services/api.service.ts
View File

@ -405,7 +405,7 @@ export class ApiService {
);
}
getHistoricalPrice$(timestamp: number | undefined): Observable<Conversion> {
getHistoricalPrice$(timestamp: number | undefined, currency?: string): Observable<Conversion> {
if (this.stateService.isAnyTestnet()) {
return of({
prices: [],
@ -416,12 +416,47 @@ export class ApiService {
USDCHF: 0,
USDAUD: 0,
USDJPY: 0,
USDBGN: 0,
USDBRL: 0,
USDCNY: 0,
USDCZK: 0,
USDDKK: 0,
USDHKD: 0,
USDHRK: 0,
USDHUF: 0,
USDIDR: 0,
USDILS: 0,
USDINR: 0,
USDISK: 0,
USDKRW: 0,
USDMXN: 0,
USDMYR: 0,
USDNOK: 0,
USDNZD: 0,
USDPHP: 0,
USDPLN: 0,
USDRON: 0,
USDRUB: 0,
USDSEK: 0,
USDSGD: 0,
USDTHB: 0,
USDTRY: 0,
USDZAR: 0,
}
});
}
const queryParams = [];
if (timestamp) {
queryParams.push(`timestamp=${timestamp}`);
}
if (currency) {
queryParams.push(`currency=${currency}`);
}
return this.httpClient.get<Conversion>(
this.apiBaseUrl + this.apiBasePath + '/api/v1/historical-price' +
(timestamp ? `?timestamp=${timestamp}` : '')
`${this.apiBaseUrl}${this.apiBasePath}/api/v1/historical-price` +
(queryParams.length > 0 ? `?${queryParams.join('&')}` : '')
);
}
}