Binance Futures JavaScript SDK example: rest-usdm-order-sl.ts
Binance Futures REST usdm order sl JavaScript example for the Siebly Binance SDK, covering exchange REST API and WebSocket integration, setup, and production SDK docs.
We use environment variables in our examples for API keys. It is your responsibility to manage and secure your keys appropriately.
examples/Binance/Rest/Futures/rest-usdm-order-sl.ts
What this example covers
- Binance REST API JavaScript example.
- Uses the Siebly Binance SDK package
binanceinstead of hand-written HTTP request plumbing. - Source path:
Binance/Rest/Futures/rest-usdm-order-sl.ts. - Example category: Futures.
- Imports SDK symbols including
USDMClient. - Calls SDK methods such as
getPositionsV3(),getAllOpenOrders(),cancelOrder(),submitNewOrder().
How to use this example
- Start here for the specific request or stream pattern, then check the matching SDK guide for install, credentials, and operational notes.
- Open the repository source when you need the latest committed version: GitHub source file.
/* eslint-disable @typescript-eslint/no-unused-vars */import { USDMClient } from 'binance'; const key = process.env.API_KEY_COM || 'APIKEY';const secret = process.env.API_SECRET_COM || 'APISECRET'; const client = new USDMClient({ api_secret: secret, api_key: key, beautifyResponses: true,}); const symbol = 'BTCUSDT'; async function start() { try { // ### This is for Hedge Mode Only ### // assuming you currently have a open position, and you want to modify the SL order. /** * first we get all long and short positions status * the result of this method in hedge mode is array of two objects * first index for LONG and second index for SHORT */ const [ { positionAmt: longAmount, ...long }, { positionAmt: shortAmount, ...short }, ]: any = await client.getPositionsV3({ symbol }); // if longAmount is bigger than 0 means we have open long position and if shortAmount is below 0 means we have open short position const hasLong = parseFloat(longAmount) > 0; const hasShort = parseFloat(shortAmount) < 0; const hasOpen = hasLong || hasShort; // if we have any open position then we continue if (hasOpen) { // we get ourstop loss here const orders = await client.getAllOpenOrders({ symbol }); const stopOrders = orders.filter(({ type }) => type === 'STOP_MARKET') ?? []; // we want to modify our long position SL here if (hasLong) { // we get the StopLoss order which is realted to long const { orderId }: any = stopOrders.find( ({ positionSide: ps }) => ps == 'LONG', ); // if it exists, cancel it. if (orderId) { await client.cancelOrder({ symbol, orderId }); } const { markPrice }: any = long; // creating SL order const result = await client.submitNewOrder({ symbol, side: 'SELL', // the action of order, means this order will sell which is sl for long position positionSide: 'LONG', // based on the headge mode we either LONG or SHORT, here we are doing it for our long pos timeInForce: 'GTC', type: 'STOP_MARKET', closePosition: 'true', // this is here because we don't have the position quantity value, and it means closee all quantity stopPrice: parseFloat((markPrice * 0.99).toFixed(3)), // set sl price 1% below current price workingType: 'MARK_PRICE', }); console.log('SL Modifiled sell result: ', result); } } else { console.log('No Open position found'); } } catch (e) { console.error('market sell failed: ', e); }} start();