code: public static String fullValueString(long value, Denomination denomination) {
        BigDecimal d = BigDecimal.valueOf(value);
        d = d.movePointLeft(denomination.getDecimalPlaces());
        return d.toPlainString();
     }
docs: Get the given value in satoshis as a string on the form "10.12345000"
  using the specified denomination.
  <p>
  This method always returns a string with all decimal points. If you only
  wish to have the necessary digits use
  {@link CoinUtil#valueString(long, Denomination)}
  
  @param value
  The number of satoshis
  @param denomination
  The denomination to use
  @return The given value in satoshis as a string on the form "10.12345000".