Method sign

java/lib/src/main/java/io/github/ccxt/exchanges/HitbtcCore.java:4282–4341

(Object path, Object... optionalArgs)

    }

    public Object sign(Object path, Object... optionalArgs)
    {
        Object api = Helpers.getArg(optionalArgs, 0, "public");
        Object method = Helpers.getArg(optionalArgs, 1, "GET");
        Object parameters = Helpers.getArg(optionalArgs, 2, new java.util.HashMap<String, Object>() {{}});
        Object headers = Helpers.getArg(optionalArgs, 3, null);
        Object body = Helpers.getArg(optionalArgs, 4, null);
        Object query = this.omit(parameters, this.extractParams(path));
        Object implodedPath = this.implodeParams(path, parameters);
        Object url = Helpers.add(Helpers.add(Helpers.GetValue(Helpers.GetValue(this.urls, "api"), api), "/"), implodedPath);
        Object getRequest = null;
        Object keys = Helpers.objectKeys(query);
        Object queryLength = Helpers.getArrayLength(keys);
        headers = new java.util.HashMap<String, Object>() {{
            put( "Content-Type", "application/json" );
        }};
        if (Helpers.isTrue(Helpers.isEqual(method, "GET")))
        {
            if (Helpers.isTrue(queryLength))
            {
                getRequest = Helpers.add("?", this.urlencode(query));
                url = Helpers.add(url, getRequest);
            }
        } else
        {
            body = this.json(parameters);
        }
        if (Helpers.isTrue(Helpers.isEqual(api, "private")))
        {
            this.checkRequiredCredentials();
            Object timestamp = String.valueOf(this.nonce());
            Object payload = new java.util.ArrayList<Object>(java.util.Arrays.asList(method, Helpers.add("/api/3/", implodedPath)));
            if (Helpers.isTrue(Helpers.isEqual(method, "GET")))
            {
                if (Helpers.isTrue(!Helpers.isEqual(getRequest, null)))
                {
                    ((java.util.List<Object>)payload).add(getRequest);
                }
            } else
            {
                ((java.util.List<Object>)payload).add(body);
            }
            ((java.util.List<Object>)payload).add(timestamp);
            Object payloadString = String.join((String)"", (java.util.List<String>)payload);
            Object signature = this.hmac(this.encode(payloadString), this.encode(this.secret), sha256(), "hex");
            Object secondPayload = Helpers.add(Helpers.add(Helpers.add(Helpers.add(this.apiKey, ":"), signature), ":"), timestamp);
            Object encoded = this.stringToBase64(secondPayload);
            Helpers.addElementToObject(headers, "Authorization", Helpers.add("HS256 ", encoded));
        }
        final Object finalUrl = url;
        final Object finalMethod = method;
        final Object finalBody = body;
        final Object finalHeaders = headers;
        return new java.util.HashMap<String, Object>() {{
            put( "url", finalUrl );
            put( "method", finalMethod );
            put( "body", finalBody );
            put( "headers", finalHeaders );