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1411 commits

Author SHA1 Message Date
Roman Khimov
69ccca675d core: fix PrevHash calculation for MPTRoot 
This was differing from C# notion of PrevHash. It's not a previous root, but
rather a hash of the previous serialized MPTRoot structure (that is to be
signed by CNs).
 2020-06-04 17:19:30 +03:00
Roman Khimov
685d3eb870 dao: prevent double serialization of StorageItems 
Converting to MPT value serializes the StorageItem, so it makes no sense doing
it again.
 2020-06-04 17:18:15 +03:00
Roman Khimov
f77c239296 mpt: fix extension node cache invalidation 
It should always be invalidated if something changes in the `next` (below the
extension node).
 2020-06-04 17:16:32 +03:00
Roman Khimov
24785f1f50
Merge pull request #1008 from nspcc-dev/feature/mpt 
core: update MPT during block processing
 2020-06-03 16:07:04 +03:00
Roman Khimov
baafa30266
Merge pull request #1006 from nspcc-dev/interop/crypto 
core: implement key recover interops
 2020-06-03 14:39:44 +03:00
Anna Shaleva
6c06bc57cc core: implement key recover interops 
Implement secp256k1 and secp256r1 recover interops, closes #1003.

Note:

We have to implement Koblitz-related math to recover keys properly
with Neo.Cryptography.Secp256k1Recover interop as far as standard
go elliptic package supports short-form Weierstrass curve with a=-3
only (see https://github.com/golang/go/issues/26776 for details).
However, it's not the best choise to have a lot of such math in our
project, so it would be better to use ready-made solution for
Koblitz-related cryptography.
 2020-06-03 14:36:04 +03:00
Evgenii Stratonikov
10189b6ab3 consensus: extend payloads with StateRoot info 
Create and verify witness after block processing.
 2020-06-03 13:33:44 +03:00
Evgenii Stratonikov
edcfdb3bde network: add MPT-related P2P payloads 2020-06-03 13:33:44 +03:00
Evgenii Stratonikov
20f190ef69 core: update MPT during block processing 2020-06-03 13:33:44 +03:00
Roman Khimov
029fecbb71 mpt: don't flush nodes already present in the DB 
It's just a waste of time.
 2020-06-03 00:37:30 +03:00
Roman Khimov
1b6aee42d5 mpt: restructure nodes a bit, implement serialization and hash cache 
It drastically reduces the number of allocations and hash calculations.
 2020-06-03 00:37:21 +03:00
Roman Khimov
fd73310a1c
Merge pull request #1007 from nspcc-dev/update-dbft-2.x 
consensus: update dbft to include CountFailed and RecoveryMessage changes
 2020-06-02 22:44:46 +03:00
Roman Khimov
e4f413aa29 consensus: update dbft to include CountFailed and RecoveryMessage changes 
dbft interface changed a little also because of Neo 3 changes, but it still is
compatible with Neo 2.
 2020-06-02 11:12:47 +03:00
Roman Khimov
2f90a06db3
Merge pull request #990 from nspcc-dev/feature/mpt 
Initial MPT implementation (2.x)
 2020-06-01 18:58:35 +03:00
Evgenii Stratonikov
314430be1d mpt: implement NEO storage key conversion 2020-06-01 18:15:13 +03:00
Evgenii Stratonikov
103c45850a mpt: implement (*Trie).Collapse() 
Because trie size is rather big, it can't be stored in memory.
Thus some form of caching should also be implemented. To avoid
marshaling/unmarshaling of items which are close to root and are used
very frequenly we can save them across the persists.
This commit implements pruning items at the specified depth,
replacing them by hash nodes.
 2020-06-01 18:15:13 +03:00
Evgenii Stratonikov
9c478378e1 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.
 2020-06-01 18:15:13 +03:00
Evgenii Stratonikov
31d9aeddd2 mpt: implement MPT proof Get and Verify 2020-06-01 18:14:19 +03:00
Evgenii Stratonikov
861a1638e8 mpt: implement MPT trie 
MPT is a trie with a branching factor = 16, i.e. it consists of sequences in
16-element alphabet.
 2020-06-01 18:14:19 +03:00
Roman Khimov
9a0d7d3254 transaction: gofmt -s 2020-05-30 15:48:57 +03:00
Roman Khimov
06bed2b4bf dao: split GetStorageItem for Cached into external and internal versions 
Lower Cached state shouldn't be changed until Persist. Fixes #994.
 2020-05-27 18:34:41 +03:00
Evgenii Stratonikov
b0d07c3031 vm: make Iterator interface public 
There is nothing wrong with iterators being implemented in other parts
of code (e.g. Storage.Find). In this case type assertions can
prevent bugs at compile-time.
 2020-05-27 11:40:46 +03:00
Evgenii Stratonikov
503442a60d dao: restrict GetStorageItems by prefix 
All storage items can still be retrived via zero-length prefix.
 2020-05-27 11:40:46 +03:00
Evgenii Stratonikov
776bd85ded vm,dao: return storage iterator from DAO in Storage.Find interop 
Reproduce behavior of the reference realization:
- if item was Put in cache after it was encountered during
  Storage.Find, it must appear twice
- checking if item is in cache must be performed in real-time
  during `Iterator.Next()`
 2020-05-27 11:40:46 +03:00
Evgenii Stratonikov
86ce234d5f core: fix a typo in GetUnspentCoins interop 
Fix a bug introduced in 8ed77f0d.
 2020-05-25 11:14:44 +03:00
Evgenii Stratonikov
eeeb05fc2c compiler: restore support for GetUnspentCoins 
Revert a587274.
 2020-05-22 13:24:44 +03:00
Evgenii Stratonikov
8ed77f0d25 core: make GetUnspentCoins interop return array, fix #978. 2020-05-22 13:24:43 +03:00
Roman Khimov
fb9b2ae982
Merge pull request #975 from nspcc-dev/clone-struct-in-setitem-2.x 
vm: clone struct item on SETITEM, close #972
 2020-05-21 18:02:06 +03:00
Roman Khimov
f8b41e486c vm: clone struct item on SETITEM, close #972 
It's the same as with APPEND and VALUES.
 2020-05-21 17:56:26 +03:00
Evgenii Stratonikov
a8fa68914a vm: allow to convert Map item to bool 2020-05-21 17:53:19 +03:00
Roman Khimov
e07fd4f9f0
Merge pull request #973 from nspcc-dev/fix/refcount 
vm: update stack size in SETITEM properly
 2020-05-21 16:47:27 +03:00
Evgenii Stratonikov
cd8445aa59 vm: update stack size in SETITEM properly 2020-05-21 15:20:37 +03:00
Roman Khimov
60bca03577 crypto: add input data length check in (*PublicKey).DecodeBytes 
DecodeBinary works with streams, so it can't do that, but DecodeBytes can and
should. Also fix unmarshalled binary buffer that this check exposed.
 2020-05-21 14:28:16 +03:00
Roman Khimov
0ce3a12e87 core: check for key length in CheckWitness, fix #968 
Only one type of keys is allowed here.
 2020-05-21 14:27:41 +03:00
Roman Khimov
d0853c0471
Merge pull request #967 from nspcc-dev/fix-pickitem-and-vm-cli-2.x 
Fix pickitem and vm cli 2.x
 2020-05-21 13:37:35 +03:00
Roman Khimov
1721360dd1 vm: limit types accepted for PICKITEM, fix #965 
bafdb916a0 change was wrong (probably brought
from neo-vm 3.0 at the state at which it existed back then), neo-vm 2.x
doesn't allow PICKITEM for arbitrary types.
 2020-05-21 12:16:38 +03:00
Roman Khimov
328c6d7ce5 vm/cli: fix step command 
It was setting a (wrong) breakpoint and couldn't then break out of it.
 2020-05-21 12:15:50 +03:00
Roman Khimov
318ca55982 vm/cli: add push command to push something to the estack 2020-05-21 12:15:24 +03:00
Roman Khimov
5ec70b9fc2
Merge pull request #930 from nspcc-dev/fix/keys 
Cache storage operations across same block tx executions
 2020-05-21 11:08:42 +03:00
Evgenii Stratonikov
b96fe8173c core,dao: implement Block-level storage caching 
The order in which storage.Find items are returns depends on what items
were processed in previous transactions of the same block.
The easiest way to implement this sort of caching is to cache operations
with storage, flushing the only in `Persist()`.
 2020-05-19 17:19:51 +03:00
Roman Khimov
03cc8c118f
Merge pull request #954 from nspcc-dev/fix/struct_fields 
compiler: support using OP= with struct fields and slice elements
 2020-05-19 16:03:42 +03:00
Roman Khimov
f0d6b0a639
Merge pull request #956 from nspcc-dev/doc-update-2.x 
Documentation update for 2.x
 2020-05-19 16:02:55 +03:00
Roman Khimov
0079dfb695 interop: add some top-level doc.go 2020-05-19 13:13:15 +03:00
Roman Khimov
8c19b8f2a1 compiler/interop: add support for working with witnesses 2020-05-19 13:13:15 +03:00
Roman Khimov
085d50b430 interop/util: extend documentation 2020-05-19 13:13:15 +03:00
Roman Khimov
ec2bf7d52e interop/transaction: update documentation 2020-05-19 13:13:15 +03:00
Roman Khimov
a587274351 compiler|transaction: remove transaction.GetUnspentCoins support 
It's useless. Even though there is Neo.Transaction.GetUnspentCoins syscall
that can be used, its return type is an interop structure that's not accepted
by any other syscall, so you can't really do anything with it. And there is no
such interface for the .net Framework.
 2020-05-19 13:13:15 +03:00
Roman Khimov
514f862b81 compiler|transaction: fix transaction.GetScript build, add to interop 
There is no such syscall as Neo.Transaction.GetScript and GetScript should be
available for contract's use.
 2020-05-19 13:13:15 +03:00
Roman Khimov
d0a3ce25ff compiler/storage: add read-only related interops 2020-05-19 13:13:15 +03:00
Roman Khimov
07742bdf46 interop/storage: update documentation 2020-05-19 13:13:15 +03:00