On a MacBook pro with this store, the chain can be downloaded at about 2000 blocks per second. Difficulty transitions are not optimized but take around 50 msec. On a Google Nexus S the chain can be downloaded (via wifi) at 200 blocks per second and difficulty traversals take 2 seconds. At this time the profiles on both devices are dominated by verification costs, not storage.
- Split the unit tests for this into a separate file
- Add more tests for double spends, reversal of external spends and more edge cases
- Handle the case where transactions should be resurrected after a re-org
- Handle the case where transactions are overridden by double spends
Should address [some of] the points Miron raised during his review. There are likely still bugs but it's a lot closer to correct than before.
Activated the disabled tests in testForking, added a bunch more tests for this functionality.
Added various utility methods and made small fixes as required.
This changes the wallet format and invalidates existing wallets.
- Store the block chain using a get/put interface keyed by hash,
so we can add disk storage later.
- Add unit tests for difficulty transitions. Move some stuff into
NetworkParameters to make that easier.
- Track the best chain using total work done. Inform the wallet
when a re-org takes place. Wallet currently doesn't do anything
with this beyond informing the event listeners.
With this patch we're getting closer to a correct SPV implementation.
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
