official implementation (which also does this seeking).
Print out some data from the ver message on connection.
Refuse to connect to nodes that don't provide the block chain.
Introduce a unit test NetworkParameters that has very easy difficulty.
Correct some assertTrue(false) type checks to use fail() instead.
Make ALLOWED_TIME_DRIFT non-public until I have a good explanation in the javadocs of what it's for.
Simplify Block.equals
Remove the timestamp from the generated JavaDoc output to minimize subversion diffs in future.
Make the broadcastTransaction method of Peer package private. It's no longer needed to send coins.