public static String getAddress(ECKeyPair ecKeyPair) {
        return getAddress(ecKeyPair.getPublicKey());
    }
@Test
    public void testGetAddressSmallPublicKey() {
        byte[] address =
                Keys.getAddress(
                        Numeric.toBytesPadded(BigInteger.valueOf(0x1234), Keys.PUBLIC_KEY_SIZE));
        String expected = Numeric.toHexStringNoPrefix(address);

        assertEquals(Keys.getAddress("0x1234"), (expected));
    }