Method padStart

java/lib/src/main/java/io/github/ccxt/Helpers.java:1174–1188

(Object input, Object length2, Object padStr)

    }

    public static String padStart(Object input, Object length2, Object padStr) {
        int length = toInt(length2);
        String str = toString(input);
        String pad = toString(padStr);

        if (pad.isEmpty()) {
            throw new IllegalArgumentException("padStr must not be empty");
        }

        while (str.length() < length) {
            str = pad + str;
        }

        return str.substring(str.length() - length);
    }

    public static String json(Object obj) {
        try {