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Author SHA1 Message Date
Elizaveta Chichindaeva
28908aa3cf [#2442] English Check 
Signed-off-by: Elizaveta Chichindaeva <elizaveta@nspcc.ru>
 2022-05-04 19:48:27 +03:00
Anna Shaleva
36808b8904 core: clone MPT node while restoring it multiple times 
We need this to avoid collapse collisions. Example of such collapse
described in
https://github.com/nspcc-dev/neo-go/pull/2019#discussion_r689629704.
 2021-09-07 19:43:27 +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
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
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
Evgenii Stratonikov
f0b85f8af7 mpt: implement JSON marshaling/unmarshaling 
Because there is no distinct type field in JSONized nodes, distinction
is made via payload itself, thus all unmarshaling is done via
NodeObject.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Evgenii Stratonikov
dc6741bce7 mpt: implement MPT trie 
MPT is a trie with a branching factor = 16, i.e. it consists of sequences in
16-element alphabet.

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