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102 Commits

Author SHA1 Message Date
Luke Dashjr
340f0876ea collect more info on tx pooling and block finding for getmininginfo 2012-01-12 19:47:39 -05:00
Gavin Andresen
3f64fa1369 Merge pull request #743 from gavinandresen/blocknotify 
-blocknotify : run a command when best-block changes
 2012-01-12 06:31:25 -08:00
Pieter Wuille
67a42f929b Network stack refactor 
This introduces CNetAddr and CService, respectively wrapping an
(IPv6) IP address and an IP+port combination. This functionality used
to be part of CAddress, which also contains network flags and
connection attempt information. These extra fields are however not
always necessary.

These classes, along with logic for creating connections and doing
name lookups, are moved to netbase.{h,cpp}, which does not depend on
headers.h.

Furthermore, CNetAddr is mostly IPv6-ready, though IPv6
functionality is not yet enabled for the application itself.
 2012-01-06 18:55:37 +01:00
Gavin Andresen
d237f62c23 -blocknotify=command argument, implemented using system() and boost::thread 2012-01-03 15:48:59 -05:00
Gavin Andresen
61977f956c Check all prevout.n if one transaction provides multiple inputs 2011-12-25 10:32:05 -05:00
Gavin Andresen
60835d9627 assert condition in previous commit was backwards 2011-12-25 10:08:01 -05:00
Gavin Andresen
6996a9d713 Check for valid prevout.n in FetchInputs. 
IsStandardInputs could crash if given invalid input index.
 2011-12-25 08:45:09 -05:00
Gavin Andresen
fe358165e3 Be more conservative: check all transactions in blocks after last checkpoint. 2011-12-23 17:13:10 -05:00
Wladimir J. van der Laan
bde280b9a4 Revert "Use standard C99 (and Qt) types for 64-bit integers" 
This reverts commit 21d9f36781.
 2011-12-21 22:33:19 +01:00
Luke Dashjr
21d9f36781 Use standard C99 (and Qt) types for 64-bit integers 2011-12-20 16:52:59 -05:00
Gavin Andresen
781c06c0f5 Merge pull request #677 from luke-jr/minfee_modes 
API: GetMinFee modes
 2011-12-20 13:09:18 -08:00
Gavin Andresen
595925592d Merge branch 'op_eval' 2011-12-20 14:43:31 -05:00
Gavin Andresen
9ef7fa3447 Code cleanup: use ECDSA_size() instead of fixed 10,000 byte sig buffer, and explicity init static var 2011-12-19 19:10:34 -05:00
Gavin Andresen
26ce92b352 Use std::numeric_limits<> for typesafe INT_MAX/etc 2011-12-19 19:10:34 -05:00
Gavin Andresen
9e470585b3 Update bitcoin address numbers for latest luke-jr/sipa scheme 2011-12-19 13:24:51 -05:00
Gavin Andresen
2a45a494b0 Use block times for 'hard' OP_EVAL switchover, and refactored EvalScript 
so it takes a flag for how to interpret OP_EVAL.
Also increased IsStandard size of scriptSigs to 500 bytes, so
a 3-of-3 multisig transaction IsStandard.
 2011-12-19 13:24:48 -05:00
Gavin Andresen
d7062ef1bd Put OP_EVAL string in coinbase of generated blocks 2011-12-19 13:24:48 -05:00
Gavin Andresen
e679ec969c OP_EVAL implementation 
OP_EVAL is a new opcode that evaluates an item on the stack as a script.
It enables a new type of bitcoin address that needs an arbitrarily
complex script to redeem.
 2011-12-19 12:40:19 -05:00
Gavin Andresen
99a289f531 Merge pull request #574 from sipa/dumpprivkey 
Dumpprivkey
 2011-12-19 07:27:25 -08:00
Gavin Andresen
f8ded588a2 Implement BIP 14 : separate protocol version from client version 2011-12-19 10:24:23 -05:00
Pieter Wuille
30ab2c9c46 Preparations for key import/export 2011-12-17 21:49:48 +01:00
Luke Dashjr
dbbf1d4a48 GetMinFee takes a mode parameter (GMF_{BLOCK,RELAY,SEND}) instead of fForRelay 2011-12-14 01:07:43 -05:00
Luke Dashjr
a880b29cab Bugfix: fForRelay should be false when deciding required fee to include in blocks 
During the rushed transition from 0.01 BTC to 0.0005 BTC fees, we took the
approach of dropping the relay and block-inclusion fee to 0.0005 BTC
immediately, and only delayed adjusting the sending fee for the next release.
Afterward, the relay fee was lowered to 0.0001 BTC to avoid having the same
problem in the future. However, the block inclusion code was left setting
fForRelay to true! This fixes that, so the lower 0.0001 BTC allowance is (as
intended) only permitted for real relaying.
 2011-12-14 01:06:21 -05:00
Gavin Andresen
10fd7f6689 Orphan block fill-up-memory attack prevention 2011-12-01 13:53:38 -05:00
Gavin Andresen
eb5fff9e16 Moved checkpoints out of main, to prep for using them to help prevent DoS attacks 2011-12-01 12:18:50 -05:00
Pieter Wuille
d825e6a31b Some extra comments 2011-11-07 00:11:34 +01:00
Gavin Andresen
32ebde4612 Merge pull request #564 from luke-jr/optimize_remove_CheckWork_delay 
Remove 2 second sleep from CheckWork
 2011-10-06 07:54:50 -07:00
Gavin Andresen
b898c8fce6 Merge branch 'no-cryptopp' of https://github.com/tcatm/bitcoin 2011-10-05 10:38:10 -04:00
David Joel Schwartz
514b18722a Remove 2 second sleep from CheckWork 2011-10-04 00:04:43 -04:00
Forrest Voight
074d584a04 Added RPC call 'getmemorypool' that provides everything needed to construct a block with a custom generation transaction and submit a solution 
getmemorypool [data]
If [data] is not specified, returns data needed to construct a block to work on:
  "version" : block version
  "previousblockhash" : hash of current highest block
  "transactions" : contents of non-coinbase transactions that should be included in the next block
  "coinbasevalue" : maximum allowable input to coinbase transaction, including the generation award and transaction fees
  "time" : timestamp appropriate for next block
  "bits" : compressed target of next block
If [data] is specified, tries to solve the block and returns true if it was successful.
 2011-10-01 14:42:54 -04:00
Nils Schneider
6ccff2cbde remove cryptopp dependency, add simple unittest for SHA256Transform() 2011-09-30 20:00:22 +02:00
Wladimir J. van der Laan
002a4dcad0 Merge branch 'master' of https://github.com/bitcoin/bitcoin 
Conflicts:
	.gitignore (used upstream version)
	bitcoin-qt.pro
 2011-09-28 21:52:32 +02:00
Wladimir J. van der Laan
a8b95ce6ed use median filter for peer-reported reported number of blocks 
- fixes problem that one misconfigured or malicious node can mess up progress bar
- implementation in src/util.h
- testcase in src/test/util_tests.cpp
 2011-09-28 21:35:58 +02:00
Gavin Andresen
a8c108bca1 Remove DoS penalty for SigOpCount or immature transactions 2011-09-27 11:19:57 -04:00
Gavin Andresen
b14bd4df58 Skip verifying transaction signatures during initial block-chain download 2011-09-26 09:20:22 -04:00
Gavin Andresen
17e2c24645 Merge pull request #517 from gavinandresen/DoSprevention 
Denial-of-service prevention
 2011-09-26 06:06:16 -07:00
Gavin Andresen
f7f2a36925 Merge pull request #521 from laanwj/qt 
Qt GUI
 2011-09-26 06:05:11 -07:00
Wladimir J. van der Laan
0961c2fc0d Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-23 13:42:04 +02:00
Gavin Andresen
806704c237 More denial-of-service misbehavior detection: version/addr/inv/getdata messages 2011-09-21 12:50:13 -04:00
Gavin Andresen
3e52aaf212 Transaction/Block denial-of-service detection/response 2011-09-21 12:50:12 -04:00
Nils Schneider
59090133c0 log low-level network messages only when fDebug is set 2011-09-17 18:29:41 +02:00
Wladimir J. van der Laan
5dd7318db7 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-16 06:55:47 +02:00
Wladimir J. van der Laan
d33cc2b5e3 clarify function signature (GetNumBlocksOfPeers) and use number of 'frozen' blocks as initial value for number of peer blocks 2011-09-11 10:49:30 +02:00
Wladimir J. van der Laan
a0d2f9a12d Merge branch 'master' of https://github.com/bitcoin/bitcoin 
Conflicts:
	.gitignore
 2011-09-07 18:57:11 +02:00
Gavin Andresen
5a3dea451d Merge branch 'unique_coinbase' of git://gitorious.org/~Luke-Jr/bitcoin/luke-jr-bitcoin into unique_coinbase 2011-09-07 10:51:57 -04:00
Luke Dashjr
83f4cd156e Bugfix: Use timestamp in coinbase rather than "bits", needed to ensure coinbase txn is unique even if address is the same 2011-09-06 16:43:40 -04:00
Luke Dashjr
b760e25458 Merge branch 'getwork_dedupe' into unique_coinbase 2011-09-06 16:43:32 -04:00
Gavin Andresen
e077cce617 Optimize database writes for transactions with lots of TxIns. 
Patch from ArtForz, who discovered the problem.
 2011-09-05 14:33:07 -04:00
Wladimir J. van der Laan
0a70a3f4d8 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-03 09:09:34 +02:00
Gavin Andresen
ec74e8a443 Versions 0.3.20 THROUGH 0.3.23 have trouble with blockchain downloads; avoid them 2011-09-02 12:56:10 -04:00