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6267 Commits

Author SHA1 Message Date
Wladimir J. van der Laan b2b173acab Merge pull request #6867 
a4e28b3 Set TCP_NODELAY on P2P sockets. (Gregory Maxwell)
 2015-10-23 09:29:49 +02:00
Gregory Maxwell a4e28b3d1e Set TCP_NODELAY on P2P sockets. 
Nagle appears to be a significant contributor to latency now that the static
 sleeps are gone.  Most of our messages are relatively large compared to
 IP + TCP so I do not expect this to create enormous overhead.

This may also reduce traffic burstyness somewhat.
 2015-10-22 17:57:48 +00:00
Wladimir J. van der Laan f2c869aef2 Merge pull request #6848 
c6824f8 Add DERSIG transaction test cases (J Ross Nicoll)
 2015-10-22 18:02:17 +02:00
Wladimir J. van der Laan 2cd020d054 Merge pull request #6846 
3cb56f3 *: alias -h for --help (Daniel Cousens)
 2015-10-22 17:53:07 +02:00
Daniel Cousens 3cb56f3778 *: alias -h for --help 2015-10-22 00:07:30 +11:00
Wladimir J. van der Laan 0fbfc5106c Merge pull request #6859 
41db8c4 http: Restrict maximum size of request line + headers (Wladimir J. van der Laan)
 2015-10-21 11:19:25 +02:00
Wladimir J. van der Laan 3b20e239c6 Merge pull request #6722 
58254aa Fix stale comment in CTxMemPool::TrimToSize. (Matt Corallo)
2bc5018 Fix comment formatting tabs (Matt Corallo)
8abe0f5 Undo GetMinFee-requires-extra-call-to-hit-0 (Matt Corallo)
9e93640 Drop minRelayTxFee to 1000 (Matt Corallo)
074cb15 Add reasonable test case for mempool trimming (Matt Corallo)
d355cf4 Only call TrimToSize once per reorg/blocks disconnect (Matt Corallo)
794a8ce Implement on-the-fly mempool size limitation. (Matt Corallo)
e6c7b36 Print mempool size in KB when adding txn (Matt Corallo)
241d607 Add CFeeRate += operator (Matt Corallo)
e8bcdce Track (and define) ::minRelayTxFee in CTxMemPool (Matt Corallo)
9c9b66f Fix calling mempool directly, instead of pool, in ATMP (Matt Corallo)
49b6fd5 Add Mempool Expire function to remove old transactions (Pieter Wuille)
78b82f4 Reverse the sort on the mempool's feerate index (Suhas Daftuar)
 2015-10-21 08:50:16 +02:00
Wladimir J. van der Laan e26a3f6713 Merge pull request #6235 
55a8975 Chainparams: Translations: DRY: options and error strings (Jorge Timón)
f3525e2 Chainparams: Replace CBaseChainParams::Network enum with string constants (suggested by Wladimir) (Jorge Timón)
 2015-10-20 17:06:28 +02:00
Wladimir J. van der Laan 41db8c4733 http: Restrict maximum size of request line + headers 
Prevent memory exhaustion by sending lots of data.
Also add a test to `httpbasics.py`.

Closes #6425
 2015-10-20 14:31:40 +02:00
Jorge Timón 55a89751fa Chainparams: Translations: DRY: options and error strings 
Also remove SelectBaseParamsFromCommandLine and SelectParamsFromCommandLine
 2015-10-20 14:28:43 +02:00
Jorge Timón f3525e24e3 Chainparams: Replace CBaseChainParams::Network enum with string constants (suggested by Wladimir) 2015-10-20 14:22:44 +02:00
Wladimir J. van der Laan c834f56869 Merge pull request #6853 
7801f43 Added fPowNoRetargeting field to Consensus::Params that disables nBits recalculation. (Eric Lombrozo)
 2015-10-20 12:07:44 +02:00
Wladimir J. van der Laan 488f8517a1 Merge pull request #6829 
53b86d0 doc: add comment explaining initial header request (Daniel Kraft)
 2015-10-20 12:06:44 +02:00
Eric Lombrozo 7801f4387d Added fPowNoRetargeting field to Consensus::Params that disables nBits recalculation. 2015-10-19 14:25:21 -04:00
Matt Corallo 58254aa3bc Fix stale comment in CTxMemPool::TrimToSize. 2015-10-19 02:41:52 -07:00
J Ross Nicoll c6824f8a90 Add DERSIG transaction test cases 
Add test cases for DERSIG flag enforcement against transactions.
 2015-10-18 17:27:41 +01:00
Wladimir J. van der Laan d78a880900 Merge pull request #6820 
60af755 build: univalue subdir build fixups (Cory Fields)
 2015-10-15 12:55:25 +02:00
Matt Corallo 2bc50187ee Fix comment formatting tabs 2015-10-14 12:46:20 -07:00
Matt Corallo 8abe0f5658 Undo GetMinFee-requires-extra-call-to-hit-0 2015-10-14 12:44:18 -07:00
Daniel Kraft 53b86d0de5 doc: add comment explaining initial header request 
Add a comment that explains why the initial "getheader" requests are
made starting from the block preceding the currently best one.

Thanks to sdaftuar for the explanation!
 2015-10-14 20:42:49 +02:00
Daniel Kraft f8f2aceadd trivial: use constants for db keys 
Replace literal occurances of the key "prefixes" 'c' and 'b' in txdb.cpp
by the respective constants.
 2015-10-13 20:25:57 +02:00
Cory Fields 60af755e56 build: univalue subdir build fixups 
- Force a rebuild if the headers change
- Only build the lib target
- Clean univalue on 'make clean'
 2015-10-13 13:40:49 -04:00
Wladimir J. van der Laan 9caaf6ed22 Merge pull request #6777 
dcd8e27 Refer to obfuscate_key via pointer in peripheral CLevelDB classes (James O'Beirne)
1488506 Add tests for gettxoutsetinfo, CLevelDBBatch, CLevelDBIterator (James O'Beirne)
0fdf8c8 Handle obfuscation in CLevelDBIterator (James O'Beirne)
3499ce1 Encapsulate CLevelDB iterators cleanly (Pieter Wuille)
 2015-10-13 12:23:45 +02:00
Wladimir J. van der Laan 01f74999e3 Merge pull request #6798 
700f52e Clarification of unit test build instructions. (Eric Lombrozo)
 2015-10-13 11:35:24 +02:00
Wladimir J. van der Laan 97bee37d4c Merge pull request #6788 
3b1279f build: match upstream build change (Cory Fields)
313e7f5 Squashed 'src/univalue/' changes from 87d9045..5839ac3 (MarcoFalke)
 2015-10-13 10:54:31 +02:00
Matt Corallo 9e93640be6 Drop minRelayTxFee to 1000 
There is no exact science to setting this parameter, but 5000
(just over 1 US cent at the time of writing) is higher than the
cost to relay a transaction around the network (the new benchmark
due to mempool limiting).
 2015-10-13 01:39:38 -07:00
Matt Corallo 074cb155c2 Add reasonable test case for mempool trimming 2015-10-13 01:39:38 -07:00
Matt Corallo d355cf4420 Only call TrimToSize once per reorg/blocks disconnect 2015-10-13 01:39:38 -07:00
Matt Corallo 794a8cec5d Implement on-the-fly mempool size limitation. 
After each transaction which is added to mempool, we first call
Expire() to remove old transactions, then throwing away the
lowest-feerate transactions.

After throwing away transactions by feerate, we set the minimum
relay fee to the maximum fee transaction-and-dependant-set we
removed, plus the default minimum relay fee.

After the next block is received, the minimum relay fee is allowed
to decrease exponentially. Its halflife defaults to 12 hours, but
is decreased to 6 hours if the mempool is smaller than half its
maximum size, and 3 hours if the mempool is smaller than a quarter
its maximum size.

The minimum -maxmempool size is 40*-limitdescendantsize, as it is
easy for an attacker to play games with the cheapest
-limitdescendantsize transactions. -maxmempool defaults to 300MB.

This disables high-priority transaction relay when the min relay
fee adjustment is >0 (ie when the mempool is full). When the relay
fee adjustment drops below the default minimum relay fee / 2 it is
set to 0 (re-enabling priority-based free relay).
 2015-10-13 01:39:27 -07:00
Matt Corallo e6c7b362ab Print mempool size in KB when adding txn 2015-10-13 01:05:43 -07:00
Matt Corallo 241d6078ba Add CFeeRate += operator 2015-10-13 01:04:39 -07:00
Matt Corallo e8bcdce8a2 Track (and define) ::minRelayTxFee in CTxMemPool 2015-10-13 01:00:19 -07:00
Matt Corallo 9c9b66f771 Fix calling mempool directly, instead of pool, in ATMP 2015-10-13 00:44:03 -07:00
Pieter Wuille 49b6fd5663 Add Mempool Expire function to remove old transactions 
(note the 9x multiplier on (void*)'s for CTxMemPool::DynamicMemoryUsage
 was accidentally introduced in 5add7a7 but should have waited for this
 commit which adds the extra index)
 2015-10-13 00:44:03 -07:00
Suhas Daftuar 78b82f4a16 Reverse the sort on the mempool's feerate index 2015-10-13 00:44:03 -07:00
Wladimir J. van der Laan 4e2efb3c5f tests: update transaction_tests for new dust threshold 2015-10-10 14:49:38 +02:00
Eric Lombrozo 700f52e0f6 Clarification of unit test build instructions. 2015-10-10 06:46:35 -04:00
James O'Beirne dcd8e27c65 Refer to obfuscate_key via pointer in peripheral CLevelDB classes 
cc @sipa
 2015-10-09 10:56:48 -07:00
James O'Beirne 1488506872 Add tests for gettxoutsetinfo, CLevelDBBatch, CLevelDBIterator 
Thanks @dexX7.
 2015-10-09 10:56:39 -07:00
Wladimir J. van der Laan 28e3249e53 Bump minrelaytxfee default 
To bridge the time until a dynamic method for determining this fee is
merged.

This is especially aimed at the stable releases (0.10, 0.11) because
full mempool limiting, as will be in 0.12, is too invasive and risky to
backport.
 2015-10-09 19:36:32 +02:00
Cory Fields 3b1279fdb2 build: match upstream build change 2015-10-09 11:38:05 +02:00
MarcoFalke 31f4ba97b7 Merge commit '313e7f5c89d6e72e06efe9255089765b4c5815fe' into HEAD 2015-10-09 11:37:00 +02:00
Wladimir J. van der Laan 6cf73b0cd4 Merge pull request #6779 
b22692c build: Make use of ZMQ_CFLAGS (Cory Fields)
 2015-10-09 10:26:48 +02:00
Wladimir J. van der Laan a99b6cb19e Merge pull request #6770 
b2af29b Ignore bench_bitcoin binary. (Pavel Janík)
 2015-10-09 10:15:48 +02:00
James O'Beirne 0fdf8c80ee Handle obfuscation in CLevelDBIterator 2015-10-08 09:32:27 -07:00
Pieter Wuille 3499ce1e1a Encapsulate CLevelDB iterators cleanly 
Conflicts:
	src/leveldb.cpp
	src/leveldb.h
	src/txdb.cpp
 2015-10-08 09:32:27 -07:00
Cory Fields b22692ce3e build: Make use of ZMQ_CFLAGS 2015-10-08 00:00:55 -04:00
Wladimir J. van der Laan d479311dba Merge pull request #6720 
1534d9a Creates unittests for addrman, makes addrman testable. Adds several unittests for addrman to verify it works as expected. Makes small modifications to addrman to allow deterministic and targeted tests. (EthanHeilman)
 2015-10-07 14:59:58 +02:00
Wladimir J. van der Laan 49dd5c629d Merge pull request #6769 
b196b68 Test LowS in standardness, removes nuisance malleability vector. (Gregory Maxwell)
 2015-10-07 10:58:37 +02:00
Wladimir J. van der Laan 4fac576c61 Merge pull request #6650 
42cb388 Add chainstate obfuscation to avoid spurious antivirus detection (James O'Beirne)
 2015-10-06 17:50:46 +02:00