Method sign

java/lib/src/main/java/io/github/ccxt/exchanges/BitgetCore.java:12310–12398

(Object path, Object... optionalArgs)

    }

    public Object sign(Object path, Object... optionalArgs)
    {
        Object api = Helpers.getArg(optionalArgs, 0, new java.util.ArrayList<Object>(java.util.Arrays.asList()));
        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 signed = Helpers.isEqual(Helpers.GetValue(api, 0), "private");
        Object endpoint = Helpers.GetValue(api, 1);
        Object pathPart = "/api";
        Object request = Helpers.add("/", this.implodeParams(path, parameters));
        Object payload = Helpers.add(pathPart, request);
        Object url = Helpers.add(this.implodeHostname(Helpers.GetValue(Helpers.GetValue(this.urls, "api"), endpoint)), payload);
        Object query = this.omit(parameters, this.extractParams(path));
        if (Helpers.isTrue(!Helpers.isTrue(signed) && Helpers.isTrue((Helpers.isEqual(method, "GET")))))
        {
            Object keys = Helpers.objectKeys(query);
            Object keysLength = Helpers.getArrayLength(keys);
            if (Helpers.isTrue(Helpers.isGreaterThan(keysLength, 0)))
            {
                url = Helpers.add(Helpers.add(url, "?"), this.urlencode(query));
            }
        }
        if (Helpers.isTrue(signed))
        {
            this.checkRequiredCredentials();
            Object timestamp = String.valueOf(this.nonce());
            Object auth = Helpers.add(Helpers.add(timestamp, method), payload);
            if (Helpers.isTrue(Helpers.isEqual(method, "POST")))
            {
                body = this.json(parameters);
                auth = Helpers.add(auth, body);
            } else
            {
                if (Helpers.isTrue(Helpers.getArrayLength(Helpers.objectKeys(parameters))))
                {
                    Object sortedParams = this.keysort(parameters);
                    Object queryInner = Helpers.add("?", this.urlencode(sortedParams, true));
                    // check #21169 pr
                    if (Helpers.isTrue(Helpers.isGreaterThan(Helpers.getIndexOf(queryInner, "%24"), Helpers.opNeg(1))))
                    {
                        queryInner = Helpers.replace((String)queryInner, (String)"%24", (String)"$");
                    }
                    url = Helpers.add(url, queryInner);
                    // bitget signs the raw (non-percent-encoded) query string, so the
                    // signature must use the decoded values (e.g. non-ascii market ids)
                    auth = Helpers.add(auth, Helpers.add("?", this.rawencode(sortedParams)));
                }
            }
            Object signature = this.hmac(this.encode(auth), this.encode(this.secret), sha256(), "base64");
            Object broker = this.safeString(this.options, "broker");
            final Object finalTimestamp = timestamp;
            headers = new java.util.HashMap<String, Object>() {{
                put( "ACCESS-KEY", BitgetCore.this.apiKey );
                put( "ACCESS-SIGN", signature );
                put( "ACCESS-TIMESTAMP", finalTimestamp );
                put( "ACCESS-PASSPHRASE", BitgetCore.this.password );
                put( "X-CHANNEL-API-CODE", broker );