TrueCloudLab/neoneo-go
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13 commits

Author SHA1 Message Date
Evgeniy Stratonikov
73e4040628 mpt: use BinWriter.Grow() instead of custom buffer 
Also add benchmarks.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-10 09:34:05 +03:00
Evgeniy Stratonikov
bd2b1a0521 mpt: add Size method to trie nodes 
Knowing serialized size of the node is useful for
preallocating byte-slice in advance.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-06 12:01:16 +03:00
Evgeniy Stratonikov
db80ef28df mpt: move empty hash node in a separate type 
We use them quite frequently (consider children for a new branch
node) and it is better to get rid of unneeded allocations.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-06 12:01:16 +03:00
Evgeniy Stratonikov
43ee671f36 mpt: do not allocate NodeObject for serialization 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-06 10:28:19 +03:00
Anna Shaleva
7f038bd465 mpt: split HashNode in two types 
First type is non-empty HashNode, and the second one is an Empty node.
 2021-04-01 10:19:57 +03:00
Anna Shaleva
b9927c39ee mpt: refactor nodes serialisation 
It should be serialised with type in case if it's a children node.
The type can be either HashT or EmptyT.
 2021-04-01 10:19:57 +03:00
Evgenii Stratonikov
c2f70a179b Revert "mpt: do not allocate new buffer when updating dirty node" 
This reverts commit 168ba7960c.

It seems, there are some problems with it:
`2020-12-25T18:13:07.476+0300    WARN    blockQueue: failed adding block into the blockchain     {"error": "error while trying to apply MPT changes: unexpected EOF", "blockHeight": 9729, "nextIndex": 9730}`
 2020-12-25 18:42:47 +03:00
Evgenii Stratonikov
168ba7960c mpt: do not allocate new buffer when updating dirty node 
Running time becomes faster under high load while staying the same in
the average case.
Memory allocation done in `Trie` goes down by about ~10% (even more,
actually).
 2020-12-25 11:33:49 +03:00
Evgenii Stratonikov
85f927d892 mpt: implement reference counting 
Also postpone MPT initialization until `storeBlock`
because we need to read-and-check or save info about refcounting
depending on starting height.
 2020-11-20 16:50:30 +03:00
Evgenii Stratonikov
1c559634aa mpt: fill cached fields when getting node from store 
Node which has been got from store shouldn't be flushed again.
 2020-11-19 12:25:43 +03:00
Evgenii Stratonikov
fd9ff4102a mpt: export func for decoding node with type 
`NodeObject` can contain auxilliary fields and shouldn't be used from outside.
 2020-11-19 12:25:43 +03:00
Roman Khimov
2b53877dff mpt: don't flush nodes already present in the DB 
It's just a waste of time.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Roman Khimov
475bf2445a mpt: restructure nodes a bit, implement serialization and hash cache 
It drastically reduces the number of allocations and hash calculations.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00