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36 Commits

Author SHA1 Message Date
Felix Lange 8d56bf5ceb trie: ensure dirty flag is unset for embedded child nodes 
This was caught by the new invariant check.
 2016-10-18 04:57:47 +02:00
Felix Lange 177cab5fe7 trie: ensure resolved nodes stay loaded 
Commit 40cdcf1183 broke the optimisation which kept nodes resolved
during Get in the trie. The decoder assigned cache generation 0
unconditionally, causing resolved nodes to get flushed on Commit.

This commit fixes it and adds two tests.
 2016-10-18 04:57:47 +02:00
Felix Lange 40cdcf1183 trie, core/state: improve memory usage and performance (#3135) 
* trie: store nodes as pointers

This avoids memory copies when unwrapping node interface values.

name      old time/op  new time/op  delta
Get        388ns ± 8%   215ns ± 2%  -44.56%  (p=0.000 n=15+15)
GetDB      363ns ± 3%   202ns ± 2%  -44.21%  (p=0.000 n=15+15)
UpdateBE  1.57µs ± 2%  1.29µs ± 3%  -17.80%  (p=0.000 n=13+15)
UpdateLE  1.92µs ± 2%  1.61µs ± 2%  -16.25%  (p=0.000 n=14+14)
HashBE    2.16µs ± 6%  2.18µs ± 6%     ~     (p=0.436 n=15+15)
HashLE    7.43µs ± 3%  7.21µs ± 3%   -2.96%  (p=0.000 n=15+13)

* trie: close temporary databases in GetDB benchmark

* trie: don't keep []byte from DB load around

Nodes decoded from a DB load kept hashes and values as sub-slices of
the DB value. This can be a problem because loading from leveldb often
returns []byte with a cap that's larger than necessary, increasing
memory usage.

* trie: unload old cached nodes

* trie, core/state: use cache unloading for account trie

* trie: use explicit private flags (fixes Go 1.5 reflection issue).

* trie: fixup cachegen overflow at request of nick

* core/state: rename journal size constant
 2016-10-14 19:04:33 +03:00
Felix Lange c3a77d6268 trie: fix delete bug for values contained in fullNode 
Delete crashed if a fullNode contained a valueNode directly. This bug is
very unlikely to occur with SecureTrie, but can happen with regular
tries. This commit also introduces a randomised test which triggers all
trie operations, which should prevent such bugs in the future.

Credit for finding this bug goes to Github user @rjl493456442.
 2016-09-29 22:53:59 +02:00
Felix Lange cd791bd855 core, trie: replace state caches with trie journal 2016-09-28 11:27:28 +03:00
Péter Szilágyi 748d1c171d core, core/state, trie: enterprise hand-tuned multi-level caching 2016-05-26 16:33:09 +03:00
Felix Lange 6fdd0893c3 all: fix go vet warnings 2016-04-15 11:17:27 +02:00
Péter Szilágyi e90958cd29 cmd, eth, ethdb, node: prioritise chaindata for resources, bump cache 2016-03-09 10:33:39 +02:00
zsfelfoldi 52904ae32f trie: added error handling 
Created alternate versions of Trie and SecureTrie functions that can return a MissingNodeError (used by ODR services)
 2015-12-01 01:38:32 +01:00
Felix Lange 565d9f2306 core, trie: new trie 2015-09-22 22:53:49 +02:00
Felix Lange 6b91a4abe5 trie: improve benchmarks 2015-09-22 22:49:27 +02:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Jeffrey Wilcke 0a1ff68c11 trie: dirty tracking 2015-07-04 02:51:36 +02:00
obscuren a40a91d60f trie: fixed tests 2015-06-21 17:08:47 +02:00
obscuren d7ab716eea Fixed mkdnode & added some tests 2015-03-19 10:57:02 +01:00
obscuren b523441361 Moved ethutil => common 2015-03-16 11:27:38 +01:00
obscuren d44fe4ec62 Merge branch 'develop' into poc-9 2015-03-05 17:46:40 +01:00
obscuren 357d17ae58 Start at 0 2015-03-05 17:46:00 +01:00
obscuren bf5365b317 Delet => Delete 2015-03-03 12:15:58 +01:00
obscuren ae45a39dc1 Secure trie 2015-02-28 20:52:29 +01:00
obscuren 99ebb869bf Fixed iterator 2015-02-07 17:03:22 +01:00
obscuren db4aaedcbd Moved ptrie => trie. Removed old trie 2015-01-08 11:47:04 +01:00
obscuren fed3e6a808 Refactored ethutil.Config.Db out 2015-01-07 13:17:48 +01:00
obscuren 93e693be72 Fixed tests for 'types' 2014-11-18 19:52:45 +01:00
obscuren 675ba4d7eb Merge branch 'tests' into poc8 2014-11-18 19:48:35 +01:00
obscuren 62cd9946ee j => i 2014-11-18 12:20:14 +01:00
obscuren e08aba5dd9 added output test 2014-11-18 12:18:27 +01:00
obscuren 3220a32ff0 Added some comparison tests for the new ptrie 2014-11-18 12:03:09 +01:00
Taylor Gerring ddca18638f update imports order per goimports 2014-11-15 20:21:55 -06:00
Taylor Gerring e6e468ef59 Merge branch 'develop' of https://github.com/tgerring/go-ethereum into tests 
Conflicts:
	p2p/messenger_test.go
	trie/trie_test.go
 2014-11-14 15:19:50 -06:00
Taylor Gerring 2a9fc7baa9 Merge branch 'develop' of https://github.com/tgerring/go-ethereum 2014-11-14 15:01:52 -06:00
Taylor Gerring 00878e5b6e Convert trie tests to gocheck 2014-11-12 21:43:25 +01:00
obscuren 60cdb1148c Transaction execution fixes 2014-11-12 01:36:36 +01:00
obscuren af34749a6b ethtrie => trie 2014-10-31 14:45:03 +01:00