Sample connection to FTX exchange.

connect-ftx.js

var hmacSHA256 = require("crypto-js/hmac-sha256");
var hex = require("crypto-js/enc-hex");
var ftxConf = require("../conf/ftx");
var axios = require("axios");

const signRequest = (method, url, body = null) => {
    const ts = new Date().getTime();
    var payload = `${ts}${method}${url}`;
    if (body !== null) {
        payload += `${body}`;
    }
    const signature = hex.stringify(hmacSHA256(payload, ftxConf.apiSecret));
    return {
        signature: signature,
        ts: ts,
    };
};

const requestFtx = (method, url, body = null) => {
    const signatureResult = signRequest(method, url, body);
    const headers = {
        "FTX-KEY": ftxConf.apiKey,
        "FTX-TS": signatureResult.ts,
        "FTX-SIGN": signatureResult.signature,
    };
    const req = {
        baseURL: ftxConf.url,
        method: method,
        url: url,
        headers: headers,
    };
    if (body !== null) {
        req = { ...req, data: body };
    }
    return axios.request(req);
};

// sample call
requestFtx("GET", "/api/wallet/saved_addresses").then(
    (resp) => {
        console.log(resp.statusText);
        console.log(JSON.stringify(resp.data));
    },
    (err) => {
        console.log(err.stack);
    }
);