-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* create local store class Signed-off-by: Lu Ken <[email protected]> * display ohlcv data from csv file Signed-off-by: Lu Ken <[email protected]> --------- Signed-off-by: Lu Ken <[email protected]>
- Loading branch information
1 parent
348dfa9
commit 039a6c4
Showing
6 changed files
with
107 additions
and
51 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,20 +1,89 @@ | ||
| // | ||
| // Manage the local cache data | ||
| // | ||
|
|
||
| import { readFileSync } from 'fs' | ||
| import { join } from 'path' | ||
| import { parse } from 'csv-parse' | ||
|
|
||
| interface ohlcvData { | ||
| time: number | string | ||
| open: number | string | ||
| high: number | string | ||
| low: number | string | ||
| close: number | string | ||
| vol: number | string | ||
| } | ||
| export class LocalStore { | ||
| private rootDir: string | ||
| private cryptoAssets: object | null = null | ||
| private stockUSAssets: object | null = null | ||
| private ohlcBTC_1h: ohlcvData[] = [] | ||
| public constructor(cacheDir: string) { | ||
| this.rootDir = cacheDir | ||
| } | ||
|
|
||
| let crypto_assets | ||
| private loadJsonData(filePath: string): object { | ||
| const data = readFileSync(filePath, 'utf-8') | ||
| return JSON.parse(data) | ||
| } | ||
|
|
||
| export function handlerLoadCache(cache_dir: string) { | ||
| console.log('Cache path: ' + cache_dir) | ||
| private loadCsvData(filePath: string, dataArray: ohlcvData[]): void { | ||
| const data = readFileSync(filePath, { encoding: 'utf-8' }) | ||
| const headers = ['time', 'open', 'high', 'low', 'close', 'vol'] | ||
| parse( | ||
| data, | ||
| { | ||
| delimiter: ',', | ||
| columns: headers | ||
| }, | ||
| (error, result: ohlcvData[]) => { | ||
| if (error) { | ||
| console.error(error) | ||
| } | ||
| result.shift() | ||
|
|
||
| const crypto_assets_data = readFileSync(join(cache_dir, 'Binance/crypto_assets.json'), 'utf-8') | ||
| crypto_assets = JSON.parse(crypto_assets_data) | ||
| return crypto_assets | ||
| } | ||
| result.forEach((element) => { | ||
| if (typeof element.time === 'string') { | ||
| element.time = parseInt(element.time, 10) | ||
| } | ||
| if (typeof element.open === 'string') { | ||
| element.open = parseInt(element.open, 10) | ||
| } | ||
| if (typeof element.high === 'string') { | ||
| element.high = parseInt(element.high, 10) | ||
| } | ||
| if (typeof element.low === 'string') { | ||
| element.low = parseInt(element.low, 10) | ||
| } | ||
| if (typeof element.close === 'string') { | ||
| element.close = parseInt(element.close, 10) | ||
| } | ||
| if (typeof element.vol === 'string') { | ||
| element.vol = parseInt(element.vol, 10) | ||
| } | ||
| }) | ||
| dataArray.push(...result) | ||
| } | ||
| ) | ||
| } | ||
|
|
||
| public init(): boolean { | ||
| this.cryptoAssets = this.loadJsonData(join(this.rootDir, 'Binance/crypto_assets.json')) | ||
| this.stockUSAssets = this.loadJsonData(join(this.rootDir, 'StockUS/stock_us_ticker.json')) | ||
| this.loadCsvData(join(this.rootDir, 'Binance/btc_usdt-1hour.csv'), this.ohlcBTC_1h) | ||
| // setTimeout(() => console.log(this.ohlcBTC_1h), 200) | ||
| return true | ||
| } | ||
|
|
||
| public getCryptoAssets(): object | null { | ||
| return this.cryptoAssets | ||
| } | ||
|
|
||
| public getStockUSAssets(): object | null { | ||
| return this.stockUSAssets | ||
| } | ||
|
|
||
| export function handlerGetCryptoAssets() { | ||
| return crypto_assets | ||
| public getOhlcvBTC(): ohlcvData[] { | ||
| return this.ohlcBTC_1h | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters