105 lines
3.5 KiB
TypeScript
105 lines
3.5 KiB
TypeScript
import { SpotClient, WebsocketClient } from '../src/index';
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// or
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// import { SpotClient } from 'bitget-api';
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// read from environmental variables
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const API_KEY = process.env.API_KEY_COM;
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const API_SECRET = process.env.API_SECRET_COM;
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const API_PASS = process.env.API_PASS_COM;
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const client = new SpotClient({
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apiKey: API_KEY,
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apiSecret: API_SECRET,
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apiPass: API_PASS,
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// apiKey: 'apiKeyHere',
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// apiSecret: 'apiSecretHere',
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// apiPass: 'apiPassHere',
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});
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const wsClient = new WebsocketClient({
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apiKey: API_KEY,
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apiSecret: API_SECRET,
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apiPass: API_PASS,
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});
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function logWSEvent(type, data) {
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console.log(new Date(), `WS ${type} event: `, data);
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}
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// simple sleep function
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function promiseSleep(milliseconds) {
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return new Promise((resolve) => setTimeout(resolve, milliseconds));
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}
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// WARNING: for sensitive math you should be using a library such as decimal.js!
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function roundDown(value, decimals) {
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return Number(
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Math.floor(parseFloat(value + 'e' + decimals)) + 'e-' + decimals
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);
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}
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/** This is a simple script wrapped in a immediately invoked function expression, designed to check for any available BTC balance and immediately sell the full amount for USDT */
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(async () => {
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try {
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// Add event listeners to log websocket events on account
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wsClient.on('update', (data) => logWSEvent('update', data));
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wsClient.on('open', (data) => logWSEvent('open', data));
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wsClient.on('response', (data) => logWSEvent('response', data));
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wsClient.on('reconnect', (data) => logWSEvent('reconnect', data));
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wsClient.on('reconnected', (data) => logWSEvent('reconnected', data));
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wsClient.on('authenticated', (data) => logWSEvent('authenticated', data));
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wsClient.on('exception', (data) => logWSEvent('exception', data));
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// Subscribe to private account topics
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wsClient.subscribeTopic('SPBL', 'account');
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wsClient.subscribeTopic('SPBL', 'orders');
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// wait briefly for ws to be ready (could also use the response or authenticated events, to make sure topics are subscribed to before starting)
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await promiseSleep(2.5 * 1000);
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const balanceResult = await client.getBalance();
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const allBalances = balanceResult.data;
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// const balances = allBalances.filter((bal) => Number(bal.available) != 0);
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const balanceBTC = allBalances.find((bal) => bal.coinName === 'BTC');
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const btcAmount = balanceBTC ? Number(balanceBTC.available) : 0;
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// console.log('balance: ', JSON.stringify(balances, null, 2));
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console.log('BTC balance result: ', balanceBTC);
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if (!btcAmount) {
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console.error('No BTC to trade');
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return;
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}
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console.log(`BTC available: ${btcAmount}`);
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const symbol = 'BTCUSDT_SPBL';
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const symbolsResult = await client.getSymbols();
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const btcRules = symbolsResult.data.find((rule) => rule.symbol === symbol);
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console.log('btc trading rules: ', btcRules);
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if (!btcRules) {
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return console.log('no rules found for trading ' + symbol);
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}
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const quantityScale = Number(btcRules.quantityScale);
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// const quantityRoundedDown = btcAmount - btcAmount % 0.01
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const quantity = roundDown(btcAmount, quantityScale);
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const order = {
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symbol: symbol,
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side: 'sell',
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force: 'normal',
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orderType: 'market',
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quantity: String(quantity),
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} as const;
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console.log('submitting order: ', order);
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const sellResult = await client.submitOrder(order);
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console.log('sell result: ', sellResult);
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} catch (e) {
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console.error('request failed: ', e);
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}
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})();
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