Method urlencodeNested

java/lib/src/main/java/io/github/ccxt/base/Encode.java:310–340

(Object parameters)

    }

    public static String urlencodeNested(Object parameters) {
        Map<String, Object> params = (Map<String, Object>) parameters;
        List<String> keys = new ArrayList<>(params.keySet());
        List<String> parts = new ArrayList<>();

        for (String key : keys) {
            Object value = params.get(key);
            if (value instanceof Map<?, ?> m) {
                Map<String, Object> inner = (Map<String, Object>) m;
                for (String k2 : inner.keySet()) {
                    Object v2 = inner.get(k2);
                    String finalValue = String.valueOf(v2);
                    if (v2 instanceof Boolean) {
                        finalValue = finalValue.toLowerCase(Locale.ROOT);
                    }
                    // qs.stringify({encodeValuesOnly:true}) emits `key[subkey]=value`
                    // with the brackets unencoded and the value URL-encoded
                    // using qs's stricter set (e.g. `(` `)` → `%28` `%29`).
                    // Use urlEncode (java.net.URLEncoder) for both name segments
                    // and the value so brackets stay literal but parens encode.
                    parts.add(urlEncode(key) + "[" + urlEncode(k2) + "]" + "=" + urlEncode(finalValue));
                }
            } else {
                // Use urlEncode (qs-style stricter set: encodes `()`, `[]`,
                // matches Python qs.stringify default and what kraken's
                // signature-included body expects).
                parts.add(urlEncode(key) + "=" + urlEncode(String.valueOf(value)));
            }
        }
        return String.join("&", parts);
    }

    public static String urlencode(Object parameters2, boolean... sortParams) {
        boolean sort = (sortParams.length > 0) ? sortParams[0] : false;