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886 commits

Author SHA1 Message Date
Evgenii Stratonikov
328267ca6f compiler: support for loops with no init/post condition 
Make it possible to use `for` loop with a single condition.
 2020-01-23 11:48:43 +03:00
Evgenii Stratonikov
bd37359393 compiler: implement ECDSA signature verification 
Add VerifySignature interop for signature verification.
It is converted to VERIFY opcode.
 2020-01-23 10:56:15 +03:00
Evgenii Stratonikov
303b82cc44 core: set free GAS limit via config 2020-01-22 14:32:21 +03:00
Evgenii Stratonikov
54e0b5a4a7 rpc: set MaxGasInvoke in config 
Implement ability to restrict maximum amount of GAS
available for free RPC calls.
 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
4718375db1 rpc: return amount of consumed GAS in invoke* 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
2f865480d3 util: add YAML marshaler to Fixed8 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
7a6d6f43ce vm: get rid of recursive (*VM).execute calls 
Recursive execute() calls can affect gas calculation.
This commit makes execute() be called only for real opcodes
and moves duplicate logic for CALL/JMP into a separate function.
 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
4eae55143f core: restrict GAS available for invocation transactions 
There are 10 GAS available for free plus any amount of GAS
attached to a transaction.
 2020-01-22 14:31:54 +03:00
Evgenii Stratonikov
d72d978a19 vm: abstract out GetInterop() function 2020-01-22 14:04:40 +03:00
Evgenii Stratonikov
c22d09adad vm: set GAS limit 
Make it possible to set maximum amount of GAS which can be spent
during execution.
 2020-01-22 14:04:40 +03:00
Evgenii Stratonikov
0662a7e3c2 vm: calculate GAS spent during execution 
If getPrice callback is provided, accumulate spent GAS.
 2020-01-22 14:04:40 +03:00
Roman Khimov
99dfdc19e7 network: drop now useless addrReq queue from the server 
Just broadcast a high-priority message to everyone.
 2020-01-22 11:28:59 +03:00
Roman Khimov
ea3b76ded1 network: make NewServer return an error, fix #612 
It can return nil in two cases, so we're better return an error and handle
it.
 2020-01-22 11:17:51 +03:00
Roman Khimov
f2ffffddb7 network: rework broadcasting functions, tune priorities 
This gives more priority to anything related to consensus.
 2020-01-22 11:01:13 +03:00
Roman Khimov
34b863d645 network: introduce Server's MkMsg() 
That wraps NewMessage() for a configured network.
 2020-01-21 17:31:51 +03:00
Roman Khimov
1f672e0da7 network: move SendVersion() to the Peer 
Only leave server-specific `getVersionMsg()` in the Server, all the other
logic is peer-related.
 2020-01-21 17:26:08 +03:00
Roman Khimov
9befd8de99
Merge pull request #610 from nspcc-dev/ping-improvements 
Ping improvements
 2020-01-21 13:34:15 +03:00
Roman Khimov
760b39e324 consensus: close chain in tests 
Avoid test failures like this one:

=== RUN   TestService_OnPayload
==================
WARNING: DATA RACE
Read at 0x00c00015a843 by goroutine 112:
  testing.(*common).logDepth()
      /usr/local/go/src/testing/testing.go:665 +0xa1
  testing.(*common).Logf()
      /usr/local/go/src/testing/testing.go:658 +0x8f
  testing.(*T).Logf()
      <autogenerated>:1 +0x75
  go.uber.org/zap/zaptest.testingWriter.Write()
      /go/pkg/mod/go.uber.org/zap@v1.10.0/zaptest/logger.go:130 +0x11f
  go.uber.org/zap/zaptest.(*testingWriter).Write()
      <autogenerated>:1 +0xa9
  go.uber.org/zap/zapcore.(*ioCore).Write()
      /go/pkg/mod/go.uber.org/zap@v1.10.0/zapcore/core.go:90 +0x1c3
  go.uber.org/zap/zapcore.(*CheckedEntry).Write()
      /go/pkg/mod/go.uber.org/zap@v1.10.0/zapcore/entry.go:215 +0x1e7
  go.uber.org/zap.(*Logger).Info()
      /go/pkg/mod/go.uber.org/zap@v1.10.0/logger.go:187 +0x95
  github.com/CityOfZion/neo-go/pkg/core.(*Blockchain).persist()
      /go/src/github.com/CityOfZion/neo-go/pkg/core/blockchain.go:720 +0x6bb
  github.com/CityOfZion/neo-go/pkg/core.(*Blockchain).Run.func2()
      /go/src/github.com/CityOfZion/neo-go/pkg/core/blockchain.go:228 +0x53

Previous write at 0x00c00015a843 by goroutine 98:
  testing.tRunner.func1()
      /usr/local/go/src/testing/testing.go:900 +0x353
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:913 +0x1bb

Goroutine 112 (running) created at:
  github.com/CityOfZion/neo-go/pkg/core.(*Blockchain).Run()
      /go/src/github.com/CityOfZion/neo-go/pkg/core/blockchain.go:227 +0x264

Goroutine 98 (finished) created at:
  testing.(*T).Run()
      /usr/local/go/src/testing/testing.go:960 +0x651
  testing.runTests.func1()
      /usr/local/go/src/testing/testing.go:1202 +0xa6
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:909 +0x199
  testing.runTests()
      /usr/local/go/src/testing/testing.go:1200 +0x521
  testing.(*M).Run()
      /usr/local/go/src/testing/testing.go:1117 +0x2ff
  main.main()
      _testmain.go:162 +0x337
==================
--- FAIL: TestService_OnPayload (4.11s)
 2020-01-20 19:40:52 +03:00
Roman Khimov
f56383e9c8 network: use p.LastBlockIndex() in requestBlocks() 
Always compare to the best known block index, comparing to the StartHeight is
just plain wrong now.
 2020-01-20 19:37:17 +03:00
Roman Khimov
2c4ace022e network/config: redesign ping timeout handling a bit 
1) Make timeout a timeout, don't do magic ping counts.
2) Drop additional timer from the main peer's protocol loop, create it
   dynamically and make it disconnect the peer.
3) Don't expose the ping counter to the outside, handle more logic inside the
   Peer.

Relates to #430.
 2020-01-20 19:37:17 +03:00
Roman Khimov
62092c703d network: use local timestamp to decide when to ping 
We don't and we won't have synchronized clocks in the network so the only
timestamp that we can compare our local time with is the one made
ourselves. What this ping mechanism is used for is to recover from missing the
block broadcast, thus it's appropriate for it to trigger after X seconds of
the local time since the last block received.

Relates to #430.
 2020-01-20 19:37:17 +03:00
Roman Khimov
a8252ecc05 network: remove wrong ping condition 
In reality it will never be true exactly in the case where we want this ping
mechanism to work --- when the node failed to get a block from the net. It
won't get the header either and thus its block height will be equal to header
height. The only moment when this condition is met is when the node does
initial synchronization and this synchronization works just fine without any
pings.

Relates to #430.
 2020-01-20 19:37:17 +03:00
Roman Khimov
247cfa4165 network: either request blocks or ping a peer, but not both 
It makes to sense to do both actions, pings are made for a different purpose.

Relates to #430.
 2020-01-20 19:37:17 +03:00
Roman Khimov
0ba6b2a754 network: introduce peer sending queues 
Two queues for high-priority and ordinary messages. Fixes #590. These queues
are deliberately made small to avoid buffer bloat problem, there is gonna be
another queueing layer above them to compensate for that. The queues are
designed to be synchronous in enqueueing, async capabilities are to be added
layer above later.
 2020-01-20 17:23:26 +03:00
Roman Khimov
7f0882767c network: remove useless Done() method from the peer 
It's internal state of the peer that no one should care about.
 2020-01-20 17:23:26 +03:00
Roman Khimov
f39d5d5a10 network: fix unregistration on peer Disconnect 
It should always signal to the server, not duplicating this send and not
missing it like it happened in the Server.run().
 2020-01-20 17:23:26 +03:00
Roman Khimov
907a236285 network: move per-peer goroutines into the TCPPeer 
As they're directly tied to it.
 2020-01-20 17:23:26 +03:00
Roman Khimov
32213b1454
Merge pull request #601 from nspcc-dev/refactoring/core 
core: refactor out Block, BlockBase and Header, closes #597.
 2020-01-20 16:19:20 +03:00
Roman Khimov
f4aa088d04
Merge pull request #603 from nspcc-dev/feature/wallet 
consensus: use wallets instead of WIF, closes #588.
 2020-01-20 16:16:10 +03:00
Roman Khimov
bb80ba9b9e
Merge pull request #456 from nspcc-dev/pingpong_430 
add ping pong processing
 2020-01-20 16:10:29 +03:00
Evgenii Stratonikov
f0083b94c5 vm: use new big.Int (de-)serialization routines 
Also fix a test with CAT.
 2020-01-17 17:37:50 +03:00
Evgenii Stratonikov
f26bdae2c5 vm: implement proper big.Int to []byte conversions 
Big.Int Bytes()/SetBytes() methods are not symmetric.
Moreover we need to mimic C# node behavior:
- if a positive number has MSB set, 0x00 byte should be appended
  to distinguish positive number from negatives
- negative numbers should serialize as two's-complement
 2020-01-17 17:37:50 +03:00
Evgenii Stratonikov
55d98ab19a consensus: update keys from wallet after every block 2020-01-17 17:30:45 +03:00
Evgenii Stratonikov
aaefcdecae consensus: use wallet in service 2020-01-17 17:25:51 +03:00
Evgenii Stratonikov
36cfa5b1f4 wallet: add GetAccount() method to Wallet 
It is useful to be able to get account specified by script hash.
 2020-01-17 17:25:51 +03:00
Evgenii Stratonikov
a798e4e0fa wallet: add ScriptHash() method to Contract 2020-01-17 17:25:51 +03:00
Evgenii Stratonikov
a871f75063 wallet: use a script instead a hash 
NEO wallets (e.g. used in privnet setup) use hex-encoded
script inside the wallet, not a script hash.
 2020-01-17 17:25:51 +03:00
Roman Khimov
46b82b4fb5 keys: don't return error from PrivateKey.Sign 
As it can't ever happen.
 2020-01-17 17:00:30 +03:00
Vsevolod Brekelov
4e6ed9021c network: add ping pong processing 
add pingInterval same as used in ref C# implementation with the same logic
add pingTimeout which is used to check whether pong received. If not -- drop the peer.
add pingLimit which is hardcoded to 4 in TCPPeer. It's limit for unsuccessful ping/pong calls (where pong wasn't received in pingTimeout interval)
 2020-01-17 13:24:14 +03:00
Roman Khimov
e2fff3bb1d keys: update to newer rfc6979 package 
Fixes #592.
 2020-01-16 18:21:10 +03:00
Evgenii Stratonikov
28183b81d6 mempool: simplify names of exported types 
With the move to a separate package, naming can be simplified:
MemPool -> Pool, PoolItem -> Item, PoolItems -> Items.
 2020-01-16 10:16:24 +03:00
Evgenii Stratonikov
fed6fba9b6 core: refactor out MemPool 2020-01-16 10:16:24 +03:00
Evgenii Stratonikov
79bceb3e40 block: use require in tests 2020-01-16 10:16:24 +03:00
Evgenii Stratonikov
489b88afbb block: rename BlockBase to Base 2020-01-16 10:16:24 +03:00
Evgenii Stratonikov
63c56cca5c core: refactor out Block, BlockBase and Header structs 
See #597.
 2020-01-16 10:16:24 +03:00
Roman Khimov
7d4d57351e network: fix requestTx() behaviour for consensus service 
It wasn't actually requesting transactions but rather sending an inventory
message telling everyone that we have them which is completely wrong and
easily leads to ChangeView that could be avoided.
 2020-01-15 14:31:56 +03:00
Roman Khimov
0420d48e56 network: micro-optimize relayInventory 
Do less allocations, we're sending the same message with the same payload.
 2020-01-15 13:16:09 +03:00
Roman Khimov
9eb880a095
Merge pull request #568 from nspcc-dev/feature/compiler_clean_and_tests 
compiler: clean and tests
 2020-01-14 18:44:07 +03:00
Vsevolod Brekelov
7084925e4b compiler: add test for compile and save 2020-01-14 17:33:04 +03:00
Evgenii Stratonikov
3d704a3a3a consensus: try to use previous proposal after ChangeView 
When system and network pressure is high it can be beneficial
to use transactions which and were already proposed.
The assumption is that they will be in other node's memory pool
with more probability.
 2020-01-14 16:05:27 +03:00
Roman Khimov
7ba5267494
Merge pull request #596 from nspcc-dev/feature/single_node 
network: allow single-node privnet setup. Closes #595.
 2020-01-14 13:17:04 +03:00
Evgenii Stratonikov
70b23076f8 network: allow single-node privnet setup 2020-01-13 18:01:20 +03:00
Evgenii Stratonikov
5f5d0097e2 network: use TimePerBlock from config 2020-01-13 17:58:12 +03:00
Roman Khimov
2192b6602a network: fix logic and logging for sendVersion() errors 
It doesn't make sense trying to read from a broken connection and the
disconnect is to be logger from the server on unregistration.
 2020-01-13 17:33:29 +03:00
Roman Khimov
b5f234ddef rpc: make rpc request logging at Debug level 
Makes no sense polluting logs with Info. It also affects benchmarking.
 2020-01-13 17:33:29 +03:00
Evgenii Stratonikov
f3921ea3bd network: fix NPE in logging 2020-01-13 15:06:57 +03:00
Roman Khimov
565c1940e3
Merge pull request #587 from nspcc-dev/feature/zap 
Closes #284.
 2020-01-10 14:50:09 +03:00
Evgenii Stratonikov
9dc5571327 core,rpc: close Blockchain in tests 
If blockchain is not closed, logging in defer can occur
after test has finished, which will lead to a panic with
"Log in goroutine after Test* has completed".
 2020-01-10 11:47:56 +03:00
Evgenii Stratonikov
dc65684708 consensus: replace SugaredLogger with Logger 
SugaredLogger was used to make output look more similar to logrus.
This is no longer needed.
 2020-01-10 11:14:29 +03:00
Evgenii Stratonikov
9b8b77c9ea network: return error if header message is too big 
Big messages can still be processed but only first
2000 headers will be used.
 2020-01-10 11:14:29 +03:00
Evgenii Stratonikov
637c99eda7 core: simplify newInteropContext 2020-01-10 11:14:29 +03:00
Evgenii Stratonikov
45a4524054 rpc: remove EnableCORSWorkaround from Request 2020-01-10 11:14:29 +03:00
Evgenii Stratonikov
289cb1c1d9 rpc: use zap.Logger 2020-01-10 11:14:29 +03:00
Evgenii Stratonikov
aecdf470e7 cli,pkg: use zap.Logger 2020-01-10 11:14:27 +03:00
Roman Khimov
e96b4bc82e wallet: fix TestNewAccount 
It duplicated TestNewFromWif.
 2020-01-09 18:40:30 +03:00
Roman Khimov
9bb68d7025 wallet: make DecryptAccount a method of Account 
Otherwise it almost duplicates keys.NEP2Decrypt().
 2020-01-09 18:40:30 +03:00
Roman Khimov
951ee383e9 keys: improve NEP2 testing 2020-01-09 18:06:03 +03:00
Roman Khimov
b5b05a969c keys: make NEP2Decrypt return a PrivateKey rather than WIF 
There is no point in encoding the output of this function in a WIF format,
most of the users actually want the real key and those who need a WIF can
easily get if from the key (and it's simpler than getting the key from the
WIF).

It also fixes a severe bug in NEP2Decrypt, base58 decoding errors were not
processed correctly.
 2020-01-09 18:05:14 +03:00
Evgenii Stratonikov
9c79684516 storage: panic on error in boltdb.Seek 
Error in Seek means something is terribly wrong (e.g. db was not opened) and
error drop is not the right thing to do, because caller
will continue working with the wrong view.
 2020-01-09 15:17:35 +03:00
Evgenii Stratonikov
8d1f564411 consensus: add tests for getTx 2019-12-27 14:12:58 +03:00
Evgenii Stratonikov
d803dffca8 consensus: return nil interface from getTx 2019-12-27 13:54:11 +03:00
Roman Khimov
c306d2f07c
Merge pull request #581 from nspcc-dev/feat/storage_find 
core: implement Neo.Storage.Find interop, closes #422.
 2019-12-26 15:46:46 +03:00
Evgenii Stratonikov
48cf4f4a84 core: implement Neo.Storage.Find interop 2019-12-26 15:21:41 +03:00
Evgenii Stratonikov
7b5c47e7f5 vm: add NewMapIterator() 2019-12-26 14:34:15 +03:00
Roman Khimov
f8887b63ba
Merge pull request #578 from nspcc-dev/fix/sign 
consensus: verify payloads correctly, closes #555.
 2019-12-26 13:07:40 +03:00
Evgenii Stratonikov
64d24d8ddd consensus: verify payloads correctly 2019-12-26 10:49:56 +03:00
Evgenii Stratonikov
714c466c2c core: add ScriptFromWitness function 
Extracting verification script from witness became a common task.
This commit adds such a possibility.
 2019-12-26 10:49:56 +03:00
Roman Khimov
234d94d27e network: implement getblocks command 
Fixes #577, tested with C# nodes connecting to neo-go privnet.
 2019-12-25 19:46:57 +03:00
Roman Khimov
9145855d2c
Merge pull request #579 from nspcc-dev/refactor-crypto 
This moves some functionality into micro-packages, improves testing,
unexports some code and fixes bugs along the way.
 2019-12-25 18:12:50 +03:00
Roman Khimov
604b2c8240 keys: add a successful test for 04-encoded public key 2019-12-25 18:06:25 +03:00
Roman Khimov
fa0537758f keys: add a test for X/Y > P decoding case 2019-12-25 18:01:54 +03:00
Roman Khimov
6c471ecd98 keys: move IsOnCurve decoding check, add a test for it 
This check only makes sense for 04-encoded points, because 02 and 03 derive Y
from X and they're on the curve by definition.
 2019-12-25 18:00:25 +03:00
Roman Khimov
5ac8cae221 keys: fix bad compressed public key decoding, add a test 
The error was not propagated properly here.
 2019-12-25 17:44:30 +03:00
Roman Khimov
b246653f62 address: rename functions as per #579 comments 
Make them more clear to understand.
 2019-12-25 17:34:18 +03:00
Roman Khimov
53e6fbbbf9 base58: add a test for a025b9c42d 
As noted by @fyrchik in #579 comments.
 2019-12-25 17:33:48 +03:00
Roman Khimov
e25133a385 keys: reuse address package for address generation 
Deduplicates code and makes prefix overridable.
 2019-12-25 16:03:39 +03:00
Roman Khimov
b7702f3a2e address: improve testing, make it 100% covered 2019-12-25 15:55:39 +03:00
Roman Khimov
c5ceb9128a address: check for prefix when decoding 2019-12-25 15:50:52 +03:00
Roman Khimov
89b6cbf795 address: make Prefix overridable 
As it should be, it's specified in the configuration file (and it should be
treated as byte in the config)
 2019-12-25 15:42:18 +03:00
Roman Khimov
e685e9bf9a address: move into its own package 
Doesn't really belong to the crypto.
 2019-12-25 15:22:02 +03:00
Roman Khimov
a025b9c42d base58: remove bogus code from CheckDecode 
No other implementation does that and it looks weird, I see nothing meaninful
here.
 2019-12-25 15:07:11 +03:00
Roman Khimov
369ac01a27 base58: move into its own package 
It doesn't belong to crypto in any way other than it uses hash function
internally.
 2019-12-25 15:05:54 +03:00
Roman Khimov
5dd8d29534 hash: improve merkle tree testing 
Make it 100% covered.
 2019-12-25 14:43:50 +03:00
Roman Khimov
ddad9ac9a3 hash: simplify merkle tree error handling 
buildMerkleTree() is internal to the hash package and if anyone calls it with
`len(leaves) == 0` he deserves a panic. As it's the only error case in it, we
can remove error value return from this function and simplify NewMerkleTree().
 2019-12-25 14:38:48 +03:00
Roman Khimov
ee28fb08f6 crypto: move merkle tree into the hash package 
It's all about hashes, so it makes sense putting it there.
 2019-12-25 11:28:59 +03:00
Roman Khimov
db5555bb15 crypto: internalize aes functions into the keys package 
This is the only user of it and no one outside should care about these
details.
 2019-12-25 11:25:05 +03:00
Roman Khimov
9cc0fca9d2
Merge pull request #574 from nspcc-dev/feature/multireturn 
compiler: implement multiple return support, closes #562.
 2019-12-25 08:46:38 +03:00
Vsevolod Brekelov
606616618f rpc: add ability to answer as C# with block as []byte 2019-12-25 01:44:37 +03:00
Vsevolod Brekelov
7f1844a39e transaction: add unmarshaling for TXType 2019-12-25 01:44:37 +03:00
Evgenii Stratonikov
f4571ba8cf compiler: implement multiple return support 2019-12-24 16:46:43 +03:00