machankura/mempool
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove bisq price fetch and replace it with our in house price index

Browse Source
This commit is contained in:
nymkappa
2023-02-15 16:05:14 +09:00
parent fddbf51084
commit 32aa7aaff1
6 changed files with 64 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
backend/src/repositories/PricesRepository.ts
View File

@@ -1,12 +1,13 @@
import DB from '../database';
import logger from '../logger';
import { Prices } from '../tasks/price-updater';
import { IConversionRates } from '../mempool.interfaces';
import priceUpdater from '../tasks/price-updater';
class PricesRepository {
public async $savePrices(time: number, prices: Prices): Promise<void> {
if (prices.USD === -1) {
// Some historical price entries have not USD prices, so we just ignore them to avoid future UX issues
// As of today there are only 4 (on 2013-09-05, 2013-09-19, 2013-09-12 and 2013-09-26) so that's fine
public async $savePrices(time: number, prices: IConversionRates): Promise<void> {
if (prices.USD === 0) {
// Some historical price entries have no USD prices, so we just ignore them to avoid future UX issues
// As of today there are only 4 (on 2013-09-05, 2013-0909, 2013-09-12 and 2013-09-26) so that's fine
return;
}
@@ -23,22 +24,22 @@ class PricesRepository {
}
public async $getOldestPriceTime(): Promise<number> {
const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != -1 ORDER BY time LIMIT 1`);
const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != 0 ORDER BY time LIMIT 1`);
return oldestRow[0] ? oldestRow[0].time : 0;
}
public async $getLatestPriceId(): Promise<number | null> {
const [oldestRow] = await DB.query(`SELECT id from prices WHERE USD != -1 ORDER BY time DESC LIMIT 1`);
const [oldestRow] = await DB.query(`SELECT id from prices WHERE USD != 0 ORDER BY time DESC LIMIT 1`);
return oldestRow[0] ? oldestRow[0].id : null;
}
public async $getLatestPriceTime(): Promise<number> {
const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != -1 ORDER BY time DESC LIMIT 1`);
const [oldestRow] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != 0 ORDER BY time DESC LIMIT 1`);
return oldestRow[0] ? oldestRow[0].time : 0;
}
public async $getPricesTimes(): Promise<number[]> {
const [times]: any[] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != -1 ORDER BY time`);
const [times]: any[] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time from prices WHERE USD != 0 ORDER BY time`);
return times.map(time => time.time);
}
@@ -46,6 +47,19 @@ class PricesRepository {
const [times]: any[] = await DB.query(`SELECT UNIX_TIMESTAMP(time) as time, id, USD from prices ORDER BY time`);
return times;
}
public async $getLatestConversionRates(): Promise<any> {
const [rates]: any[] = await DB.query(`
SELECT USD, EUR, GBP, CAD, CHF, AUD, JPY
FROM prices
ORDER BY time DESC
LIMIT 1`
);
if (!rates || rates.length === 0) {
return priceUpdater.getEmptyPricesObj();
}
return rates[0];
}
}
export default new PricesRepository();