@znode/sign/lib/binance.js

signature algorithm

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sign = void 0;
const hmac_1 = require("@zodash/hmac");
const qs = require("@zcorky/query-string");
function sign(data, secret) {
    const query = omitUndefined(data.query);
    const queryText = stringify(query, qs.stringify);
    const body = omitUndefined(data.body);
    const bodyText = stringify(body, qs.stringify);
    const text = [queryText, bodyText].join('');
    // hmac sha512
    return hmac_1.hmacSHA256(text, secret);
}
exports.sign = sign;
function omitUndefined(data) {
    if (!data)
        return {};
    return Object.keys(data).reduce((all, key) => {
        if (typeof data[key] !== 'undefined') {
            all[key] = data[key];
        }
        return all;
    }, {});
}
function stringify(v, stringifyFn) {
    if (!v)
        return '';
    if (typeof v === 'string')
        return v;
    return stringifyFn(v);
}
exports.default = sign;