Method sign

java/lib/src/main/java/io/github/ccxt/exchanges/KrakenCore.java:4123–4195

(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 url = Helpers.add(Helpers.add(Helpers.add(Helpers.add(Helpers.add("/", this.version), "/"), api), "/"), path);
        if (Helpers.isTrue(Helpers.isEqual(api, "public")))
        {
            if (Helpers.isTrue(Helpers.getArrayLength(Helpers.objectKeys(parameters))))
            {
                // rawencode is used to address https://github.com/ccxt/ccxt/issues/12872
                url = Helpers.add(url, Helpers.add("?", this.urlencodeNested(parameters)));
            }
        } else if (Helpers.isTrue(Helpers.isEqual(api, "private")))
        {
            Object price = this.safeString(parameters, "price");
            Object isTriggerPercent = false;
            if (Helpers.isTrue(!Helpers.isEqual(price, null)))
            {
                isTriggerPercent = ((Helpers.isTrue((((String)price).endsWith(((String)"%")))))) ? true : false;
            }
            Object isCancelOrderBatch = (Helpers.isEqual(path, "CancelOrderBatch"));
            Object isBatchOrder = (Helpers.isEqual(path, "AddOrderBatch"));
            this.checkRequiredCredentials();
            Object nonce = String.valueOf(this.nonce());
            if (Helpers.isTrue(Helpers.isTrue(Helpers.isTrue(isCancelOrderBatch) || Helpers.isTrue(isTriggerPercent)) || Helpers.isTrue(isBatchOrder)))
            {
                final Object finalNonce = nonce;
                body = this.json(this.extend(new java.util.HashMap<String, Object>() {{
                    put( "nonce", finalNonce );
                }}, parameters));
            } else
            {
                // rawencode is used to address https://github.com/ccxt/ccxt/issues/12872
                final Object finalNonce_2 = nonce;
                body = this.urlencodeNested(this.extend(new java.util.HashMap<String, Object>() {{
                    put( "nonce", finalNonce_2 );
                }}, parameters));
            }
            Object auth = this.encode(Helpers.add(nonce, body));
            Object hash = this.hash(auth, sha256(), "binary");
            Object binary = this.encode(url);
            Object binhash = this.binaryConcat(binary, hash);
            Object secret = this.base64ToBinary(this.secret);
            Object signature = this.hmac(binhash, secret, sha512(), "base64");
            headers = new java.util.HashMap<String, Object>() {{
                put( "API-Key", KrakenCore.this.apiKey );
                put( "API-Sign", signature );
            }};
            if (Helpers.isTrue(Helpers.isTrue(Helpers.isTrue(isCancelOrderBatch) || Helpers.isTrue(isTriggerPercent)) || Helpers.isTrue(isBatchOrder)))
            {
                Helpers.addElementToObject(headers, "Content-Type", "application/json");
            } else
            {
                Helpers.addElementToObject(headers, "Content-Type", "application/x-www-form-urlencoded");
            }