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324 commits

Author SHA1 Message Date
Evgenii Stratonikov
27169d140f core: implement (*Blockchain).GetStandByCommitee() 2020-08-06 20:39:13 +03:00
Evgenii Stratonikov
3e39f0f211 native: rename Validator to Candidate 2020-08-06 14:26:24 +03:00
Roman Khimov
b7f89b0544 core: restrict verification scripts with CallFlags.None 
Follow neo-project/neo#1776. Looks very suspicious to me as it severely limits
verification scripts, but we have to be compatible at this point.
 2020-08-05 19:17:48 +03:00
Anna Shaleva
90825efa16 core: move transaction's sender to cosigners 
Closes #1184

Ported changes from https://github.com/neo-project/neo/pull/1752
 2020-08-04 17:33:50 +03:00
Roman Khimov
62f5aa8eb4
Merge pull request #1254 from nspcc-dev/native/policy/maxblocksystemfee 
core, consensus: add maxBlockSystemFee to native Policy
 2020-08-04 13:13:06 +03:00
Anna Shaleva
db65ed04d9 consensus: apply policy during verifyBlock 
To follow C# implementation we should also check proposed block on
policy matching.
 2020-08-04 10:59:09 +03:00
Anna Shaleva
4a1c8464f9 core: use maxBlockSize to apply policy to tx set 
We should also take into account maxBlockSize in
(bc *Blockchain).ApplyPolicyToTxSet
 2020-08-04 10:59:09 +03:00
Anna Shaleva
c647f8e4ed core: add maxBlockSystemFee to native Policy 
Closes #1195
 2020-08-04 10:59:00 +03:00
Evgenii Stratonikov
e5d538ed21 core: use raw stack items in application logs 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
fyrchik
e4fc655115
Merge pull request #1239 from nspcc-dev/store_nep5_with_id 
core: store contract IDs instead of hashes for NEP5Balances and Transfers
 2020-07-30 12:56:19 +03:00
Roman Khimov
e21c65c59f core: add state height to prometheus metrics 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Evgenii Stratonikov
5ee3ecf381 core: update verified state root height 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Roman Khimov
236438d799 core: do MPT compaction every once in a while 
We need to compact our in-memory MPT from time to time, otherwise it quickly
fills up all available memory. This raises two obvious quesions --- when to do
that and to what level do that.

As for 'when', I think it's quite easy to use our regular persistence interval
as an anchor (and it also frees up some memory), but we can't do that in the
persistence routine itself because of synchronization issues (adding some
synchronization primitives would add some cost that I'd also like to avoid),
so do it indirectly by comparing persisted and current height in `storeBlock`.

Choosing proper level is another problem, but if we're to roughly estimate one
full branch node to use 1K of memory (usually it's way less than that) then we
can easily store 1K of these nodes and that gives us a depth of 10 for our
trie.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Roman Khimov
58b7e16e0e 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).

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Evgenii Stratonikov
0e29382035 core: update MPT during block processing 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-30 12:42:15 +03:00
Anna Shaleva
0dd1730632 core: store NEP5Transfer asset by ID instead of hash 
To avoid problems with retrieving decimals for migrated contracts.
 2020-07-29 15:15:48 +03:00
Anna Shaleva
b9bdab8ec8 core: store nep5balances using contract id 
Closes #1194
 2020-07-29 15:15:48 +03:00
Anna Shaleva
dbd460d883 core: retrieve contract hash by ID 
We'll need this ability further to retrieve contracts hashes for Nep5Balances.
 2020-07-29 15:14:24 +03:00
Evgenii Stratonikov
51ae12e4fd *: move syscall handling out of VM 
Remove interop-related structures from the `vm` package.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-29 13:41:08 +03:00
Anna Shaleva
70ef733ce7 core, vm: store VMState as byte instead of string 
Part of #1183
 2020-07-29 10:14:08 +03:00
Evgenii Stratonikov
121c9664b4 core: restrict maximum gas allow for verification 
Disallow costly verification methods. We put this limit in policy
contract as it may be a subject to change in future.
In fact this value also overrides gas limit for header verification.
Close #1202.
 2020-07-25 14:33:38 +03:00
Evgenii Stratonikov
3d7fa9de93 *: make Notify interop accept event name 2020-07-20 13:33:32 +03:00
Roman Khimov
38f0432f36 core: remove stale storeBlock comment, fix #365 
After transaction unification and UTXO removal storeBlock became quite simple
and doesn't require any refactoring any more.
 2020-07-16 23:06:17 +03:00
Roman Khimov
dafb9eea4d
Merge pull request #1177 from nspcc-dev/no-free-vm-runs 
No free VM runs
 2020-07-14 08:42:13 +03:00
Roman Khimov
db027ad9c5 vm: zero GAS means no GAS, use fee data to properly limit execution 
We were accepting transactions with zero system fee, but we shouldn't do
that. Also, transaction's verification execution has to be limited by network
fee.
 2020-07-14 08:37:29 +03:00
Roman Khimov
419d68329c core: limit GAS available for block verification 2020-07-13 18:24:58 +03:00
Roman Khimov
7eef895061 consensus: use GetNextBlockValidators where appropriate 
GetValidators without parameter is called upon DBFT initialization and it
should receive validators for the next block (that will create it),
parameterized GetValidators is used for NextConsensus calculation where we
need a list for the current state of the chain.
 2020-07-11 19:54:50 +03:00
Roman Khimov
ae497228f0 core: use native NEO GetValidators for bc.GetValidators 
NextBlockValidators are updated before the new block persist, so we need to
use GetValidators to get the list corresponding to the current state of the
chain.
 2020-07-11 19:54:50 +03:00
Roman Khimov
fedcc6b6fc transaction: drop old attributes 
They're not supported in Neo 3. Also change data encoding to base64 following
Neo 3 changes.
 2020-07-10 20:40:27 +03:00
Anna Shaleva
abe3c94b95 core: use big.Int to store NEP5 balances 
closes #1133
 2020-07-09 13:26:39 +03:00
Anna Shaleva
c421805141 core: fixed typo in method description 2020-06-29 21:40:59 +03:00
Anna Shaleva
0aaaf7f787 *: switch from fixed8 to int64 in (Blockchain).CalculateClaimable 2020-06-29 21:40:54 +03:00
Anna Shaleva
73b630db9b *: switch from fixed8 to int64 
Follow C# implementation, we have to marshall JSON Fixed8 fields without
taking into account decimals.
 2020-06-29 21:39:27 +03:00
Evgenii Stratonikov
8c18142e8a keys: implement PublicKeys.Copy() 
Implement convenient wrapper over explicit allocation and copying.
 2020-06-29 10:44:35 +03:00
Roman Khimov
e5f05790d5 core: cache standby validators in the Blockchain 
They never change, so it makes no sense parsing the keys over and over
again. It also simplifies the interface a little.
 2020-06-24 10:22:17 +03:00
Roman Khimov
c124d2bcdf core: fix gas generation coefficients to match Neo 3 
Follow neo-project/neo#911. Fixes state differences at block 4528 of preview2
testnet compared to C# node.
 2020-06-24 10:21:24 +03:00
Anna Shaleva
ce402a70d2 core: add policy check to (*Blockchain).verifyTx method 
If any of transaction's script hashes for verifying are included into
Policy blocked accounts list, transaction is invalid.
 2020-06-24 07:58:09 +03:00
Anna Shaleva
8de0332107 *: use MaxTransactionsPerBlock from Policy native contract 
part of #904

1. We now have MaxTransactionsPerBlock set in native Policy contract,
   so this value should be used in (dbft).GetVerified method instead
   of passing it as an argument.
2. Removed (dbft).WithTxPerBlock.
2. DBFT API has changed, so update it's version.
3. Removed MaxTransactionsPerBlock from node configuration, as we
   have it set in native Policy contract.
 2020-06-24 07:58:05 +03:00
Anna Shaleva
c2735a4569 core: add cache to native Policy contract 
We can cache maxBlockSize, maxTransactionsPerBlock and feePerByte
in order to reduce the number of storage requests.
 2020-06-24 07:36:11 +03:00
Anna Shaleva
08cc04c3d5 core: add native policy contract 
part of #904
 2020-06-24 07:35:07 +03:00
Anna Shaleva
f1cdcbc99c core: store smartcontract items by id 
closes #1037
 2020-06-19 20:48:45 +03:00
Evgenii Stratonikov
81adb7ce83 core: set price getter for native contract persist routine 2020-06-19 11:38:56 +03:00
Roman Khimov
93b0011988
Merge pull request #1069 from nspcc-dev/addr-locking-and-other-fixes 
Addr, locking and other fixes
 2020-06-18 23:29:19 +03:00
Evgenii Stratonikov
5354352d63 core: remove transaction priority 
There is no such thing as high/low priority transactions, as there are
no free transactions anymore and they are ordered by fees contained
in transaction itself.

Closes #1063.
 2020-06-18 22:44:10 +03:00
Evgenii Stratonikov
2f724b792c core: remove config fields related to free transactions 
In NEO3 every transaction must have some gas attached.

Closes #1064.
 2020-06-18 22:44:08 +03:00
Evgenii Stratonikov
84387b2416 core: set gas limit to transaction.SystemFee for all transactions 2020-06-18 22:17:48 +03:00
Roman Khimov
f0fbb2d8ff core: prevent panic on forced exit 
If we're to close the Blockchain while it's storing a block this might happen:

panic: assignment to entry in nil map

goroutine 63 [running]:
github.com/nspcc-dev/neo-go/pkg/core/storage.(*MemoryStore).put(...)
        /home/rik/dev/neo-go/pkg/core/storage/memory_store.go:53
github.com/nspcc-dev/neo-go/pkg/core/storage.(*MemCachedStore).Persist(0xc000673a40, 0x0, 0x0, 0x0)
        /home/rik/dev/neo-go/pkg/core/storage/memcached_store.go:118 +0x245
github.com/nspcc-dev/neo-go/pkg/core/dao.(*Simple).Persist(0xc003dbdcc0, 0xc003b18900, 0xc002505538, 0xc001c510e0)
        /home/rik/dev/neo-go/pkg/core/dao/dao.go:543 +0x2e
github.com/nspcc-dev/neo-go/pkg/core/dao.(*Cached).Persist(0xc003b189c0, 0xc000240000, 0x0, 0x0)
        /home/rik/dev/neo-go/pkg/core/dao/cacheddao.go:169 +0x756
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).storeBlock(0xc0001f4000, 0xc003611040, 0x0, 0x10)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:647 +0xfa2
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).AddBlock(0xc0001f4000, 0xc003611040, 0x0, 0x0)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:447 +0xee
github.com/nspcc-dev/neo-go/pkg/network.(*blockQueue).run(0xc0006f4120)
        /home/rik/dev/neo-go/pkg/network/blockqueue.go:48 +0x158
created by github.com/nspcc-dev/neo-go/pkg/network.(*Server).Start
        /home/rik/dev/neo-go/pkg/network/server.go:179 +0x2b5
 2020-06-18 21:35:17 +03:00
Evgenii Stratonikov
8a0b2be285 core: process NEP5 transfers emitted by Native.onPersist 
All GAS is minted/burnt during `onPersist` call.
 2020-06-18 16:38:08 +03:00
Evgenii Stratonikov
295d8fc70e core: save application logs for native persist 2020-06-18 15:32:27 +03:00
Evgenii Stratonikov
0fa4c49735 core,native: persist native contract via VM 
After native contracts are deployed, single persist script is created
and executed at the start of every block persisting.
 2020-06-18 15:32:27 +03:00