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65 Commits

Author SHA1 Message Date
Mike Hearn
c20118d871 Second part of supporting block chain re-orgs. Wallet now organizes transactions into four pools: unspent, spent, pending and inactive. Transactions track which blocks they have appeared in. BlockChain provides the Wallet with both segments of chain and it then moves transactions between the pools as necessary. 
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.
 2011-04-25 21:56:16 +00:00
Mike Hearn
84dcfecb5d Allow formatting of negative BitCoin amounts, add a test for this. 
Flush stderr/stdout when logging to try and keep them in sync.
Whitespace fixes.
 2011-04-25 21:51:59 +00:00
Mike Hearn
90c7ec80ff Replace for loop with an iterator to make the removal case clearer. Extend the unit test a bit. 
This code will all be changing more in future anyway.
 2011-04-21 06:07:43 +00:00
Mike Hearn
7a4dfd1dc2 Test that you can sign with the roundtrip key and verify with the original key, and vice versa. 
See http://code.google.com/p/bitcoinj/source/detail?r=51

Patch from Thilo Planz.y
 2011-04-21 05:48:27 +00:00
Mike Hearn
aff7fda17d Add a function/some tests for string to nanocoin conversions and vice-versa, along with a TODO to clean this whole thing up. Patch from Thilo Planz. 
Fixes issue 1.
 2011-04-20 15:47:41 +00:00
Mike Hearn
062f87553a Implement ASN.1 key export. Patch from Thilo Planz. 
Resolves issue 8.
 2011-03-31 20:38:33 +00:00
Mike Hearn
668b176283 Add a DiskBlockStore and associated unit tests. This removes the need to download the block chain from scratch each time a program is started up. 2011-03-28 17:59:10 +00:00
Mike Hearn
65b80720bd Move the next header creation method out of BlockTest and into Block, as it is useful for other unit tests as well. 2011-03-27 22:32:17 +00:00
Mike Hearn
dbab159551 First part of block chain handling rework. 
- 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.
 2011-03-24 09:14:32 +00:00
Mike Hearn
30327cd888 Implement block work calculations, add a test. Small internal refactoring of BlockChain in preparation for bigger changes. 2011-03-22 14:50:00 +00:00
Mike Hearn
5e2e48eb5a Add the start of unit tests covering chain splits/reorgs, along with supporting code. The tests don't pass yet so they are marked @Ignore. 2011-03-15 13:58:52 +00:00
Mike Hearn
a504328044 Improve VarInt: simplify, fix some minor bugs and increase test coverage. 2011-03-13 21:29:25 +00:00
Mike Hearn
29e60a460d Add a getValueSentFromMe() to complement getValueSentToMe() and some unit tests. 
BUG=2
 2011-03-12 17:57:37 +00:00
Mike Hearn
4003eee3fe Add getters/setters and a solve method to the Block object. Use this in a new proof of work unit test. 
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
 2011-03-08 15:23:06 +00:00
Mike Hearn
fbb93e4c27 Initial checkin of BitCoinJ 2011-03-07 10:17:10 +00:00