110 lines
3.6 KiB
TypeScript
110 lines
3.6 KiB
TypeScript
import {
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RestClientV2,
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SpotOrderRequestV2,
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WebsocketClientV2,
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} from '../src/index';
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// import { RestClientV2, WebsocketClient } from '../src/index';
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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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// If running from CLI in unix, you can pass env vars as such:
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// API_KEY_COM='lkm12n3-2ba3-1mxf-fn13-lkm12n3a' API_SECRET_COM='035B2B9637E1BDFFEE2646BFBDDB8CE4' API_PASSPHRASE_COM='ComplexPa$$!23$5^' ts-node examples/rest-trade-spot.ts
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// note the single quotes, preventing special characters such as $ from being incorrectly passed
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const client = new RestClientV2({
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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 WebsocketClientV2({
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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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/** 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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// spot private
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// : account updates
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wsClient.subscribeTopic('SPOT', 'account');
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// : order updates (note: symbol is required)
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wsClient.subscribeTopic('SPOT', 'orders', 'BTCUSDT');
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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.getSpotAccountAssets();
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const allBalances = balanceResult.data;
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const balanceBTC = allBalances.find(
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(bal) => bal.coin === 'BTC' || bal.coin === 'btc',
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);
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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';
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const symbolsResult = await client.getSpotSymbolInfo();
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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 quantity = btcRules.minTradeAmount;
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const order: SpotOrderRequestV2 = {
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symbol: symbol,
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side: 'sell',
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orderType: 'market',
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force: 'gtc',
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size: quantity,
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} as const;
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console.log('submitting order: ', order);
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const sellResult = await client.spotSubmitOrder(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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