### Question:
BlockMessage extends Message { public Block getBlock() { return this.block; } BlockMessage(Block block); Block getBlock(); @Override MessageType getMessageType(); @Override byte[] getEncodedMessage();  }### Answer:
@Test public void getBlock() { Block block = new Block(Hex.decode(rlp)); BlockMessage message = new BlockMessage(block); Assert.assertSame(block, message.getBlock()); }