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06c84c2c23
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23 Commits

Author SHA1 Message Date
Mike Hearn
06c84c2c23 Fix a bug in Base58 decoding. Refactor how it is handled and introduce a new DumpedPrivateKey class that can be used to load keys generated by the dumpprivkey RPC. Use a new VersionedChecksummedBytes class to share the code. 2011-05-24 21:42:08 +00:00
Mike Hearn
ab7351ff78 Fix bug in Base58.decode that caused failures when the MSB of the decoded byte array was 1. Thanks to BitterTea and sipa for help with debugging this. 2011-05-24 20:19:18 +00:00
Mike Hearn
bebc83f64c Improve unit tests to verify the arguments to the onDeadTransaction event. Fixed a bug revealed by this. 
Credit to miron@google.com for spotting the problem.
 2011-05-23 12:44:32 +00:00
Mike Hearn
cb5025b987 Add a unit test for the case where the block chain overrides a currently pending transaction. This is an edge case that should only occur when the user executes a Finney attack against somebody else. 
Fix the bug that Miron pointed out. Resolves comments on r76.
 2011-05-23 12:13:25 +00:00
Mike Hearn
32436ddc7f Another rewrite of the re-org handling: 
- 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.
 2011-05-17 15:22:28 +00:00
Mike Hearn
068dcba122 Switch to using SLF4J + the simple logger, allowing people to integrate BitCoinJ with whatever logging system they 
are already using.

Resolves issue 16.
 2011-05-02 12:35:10 +00:00
Mike Hearn
e43ad1f754 Implement support for IRC peer discovery. Patch contributed by John Sample. 2011-05-02 11:54:15 +00:00
Mike Hearn
37cb9cb6e5 Make Base58 throw on decode if the input is not valid base58, add test. 
Add a decodeChecked method that uses the last 4 bytes as a checksum, for IRC support.
 2011-05-02 11:44:14 +00:00
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