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428 commits

Author SHA1 Message Date
Roman Khimov
56dcff2894 core: invoke contracts for Invocation TXes 
They can have some side-effects that future invocations rely on.
 2019-10-15 12:56:25 +03:00
Roman Khimov
74590551c4 core: add some interops 
This also changes Verify to VerifyTx and VerifyWitnesses, because there is a
need to pass a block for some interop functions.
 2019-10-15 12:56:25 +03:00
Roman Khimov
667f346c04 core: improve error message in AddBlock test 2019-10-15 12:56:25 +03:00
Roman Khimov
8266a5ce19 core: export GetContractState/GetScriptHashesForVerifying via Blockchainer 
These are gonna be used by interops and are also useful in general.
 2019-10-15 12:56:25 +03:00
Roman Khimov
19fd7f844e core: add GetUnspentCoinState() for future interops 2019-10-15 12:56:25 +03:00
Roman Khimov
bfddf9b3f6 core: implement StorageItem for future interops 2019-10-15 12:56:25 +03:00
Roman Khimov
2156d5db73 core: add put/delete functions for ContractState 
These are gonna be used by interops.
 2019-10-15 12:56:25 +03:00
Roman Khimov
58d9b79fe3 core: avoid duplicates in GetScriptHashesForVerifyingClaim() 
As they can break VerifyWitnesses().
 2019-10-15 12:56:25 +03:00
Roman Khimov
35824728eb core: add putAssetStateIntoStore() 
Will be used by interops.
 2019-10-15 12:56:25 +03:00
Roman Khimov
96934cfeab core: return error from verifyOutputs() 
Make debugging easier.
 2019-10-15 12:56:25 +03:00
Roman Khimov
ab4ff79e02 core: fix typo in GetTransactionResults() 2019-10-15 12:56:25 +03:00
Roman Khimov
cffe8d0ee2 core: return error from verifyResults() 
Make it easier to find out what the real problem is.
 2019-10-15 12:56:25 +03:00
Roman Khimov
16bc5296cb block: return error from Verify 
Don't hide real problem behind the bool value. Makes it easier to identify
problems when looking at log messages.
 2019-10-15 12:56:25 +03:00
Roman Khimov
258f397b9a core: append transactions to the block in GetBlock() 
We want to get a full block, so it has to have transactions
inside. Unfortunately our tests were used to this wrong behavior and utilized
completely bogus transactions without data that couldn't be persisted, so fix
that also.
 2019-10-15 12:56:25 +03:00
Roman Khimov
d007cc00cc vm: add script check functions 
These are required for future interops.
 2019-10-15 12:56:25 +03:00
Roman Khimov
7ab58ff8cb keys: make public key's IsInfinity() public 
It's gonna be used in interops for key validity check.
 2019-10-15 12:56:25 +03:00
Roman Khimov
c5a4cfaebe smartcontract: add CreateSignatureRedeemScript() 
It's very similar to the CreateMultiSigRedeemScript() and it will be used in
interop functions.
 2019-10-15 12:56:25 +03:00
Roman Khimov
238c590ddb core: fix contract state's Properties to use PropertyState 
PublishTX only had one of these flags, but newer contracts (created via the
interop function) can have more and these flags are aggregated into one field
that uses PropertyState enumeration (it's used to publish contract, so
supposedly it's also a nice choice for contract state storage).
 2019-10-15 12:56:25 +03:00
Roman Khimov
acb7ef7fbd vm: support uint8 and uint64 in makeStackItem() 
Convenience to avoid casts, uint64 is also a bit special in that it can't be
converted to int64 without data loss.
 2019-10-15 12:56:25 +03:00
Roman Khimov
6b70c5f2bd keys: rename New*FromRawBytes to New*FromASN1 
RawBytes is too confusing and may be read as being compatible with
NEO-serialized format.
 2019-10-15 12:56:25 +03:00
Roman Khimov
782ca64d92 vm: accept uint16 in makeStackItem() 2019-10-15 12:56:25 +03:00
Roman Khimov
78861485b6 storage: simplify MemoryBatch 
It's used a lot and it looks a lot like MemoryStore, it just needs not to
return errors from Put and Delete, so make it use MemoryStore internally with
adjusted interface.
 2019-10-15 12:56:25 +03:00
Roman Khimov
13bf2618ef storage: improve PutBatch for MemoryStore 
Make it look more like a real transaction, put/delete things with a single
lock. Make a copy of value in Put also, just for safety purposes, no one knows
how this value slice can be used after the Put.
 2019-10-15 12:56:25 +03:00
Roman Khimov
3ada92944a storage: drop Len from the Batch interface 
It's almost meaningless now and we can easily live without it.
 2019-10-15 12:56:25 +03:00
Roman Khimov
e111892653 storage: redo DB testing 
Make generic tests for all Store implementations, deduplicate tests. Implement
Delete() tests, test Seek() better, add LevelDB tests (finally!).
 2019-10-15 12:56:25 +03:00
Roman Khimov
48b6a427cf storage: add Delete method for Batch and Store 
It's gonna be used by Storage and Contract interops, both can delete their
data.
 2019-10-07 19:40:11 +03:00
Roman Khimov
add9368e9d storage: use strings as keys for memory batch 
Using pointers is just plain wrong here, because the batch can be updated with
newer values for the same keys.

Fixes Seek() to use HasPrefix also because this is the intended behavior.
 2019-10-07 17:05:53 +03:00
Roman Khimov
dca332f333 vm: use new Context.Next() to properly dump programs 
Fix #295, deduplicate code and add `inspect` parameter to the vm command to
dump AVMs (`contract inspect` works with Go code).
 2019-10-04 16:13:39 +03:00
Roman Khimov
53a3b18652 vm: completely separate instruction read and execution phases 
Make Context.Next() return both opcode and instruction parameter if any. This
simplifies some code and needed to deal with #295.
 2019-10-04 16:13:39 +03:00
Roman Khimov
1bf232ad50 vm: introduce TryBool() for Element and use it in VerifyWitnesses 
Script can return non-bool results that can still be converted to bool
according to the usual VM rules. Unfortunately Bool() panics if this
conversion fails which is OK for things done in vm.execute(), but certainly
not for VerifyWitnesses(), thus there is a need for TryBool() that will just
return an error in this case.
 2019-10-04 16:13:39 +03:00
Roman Khimov
8441b31b4b vm: accept uint32 in makeStackItem() 
Interop services routinely push such things (block index, blockchain height)
onto the stack.
 2019-10-04 16:13:39 +03:00
Roman Khimov
d62a367900 vm: add Value() method to Element 
It gives access to the internal value's Value() which is essential for interop
functions that need to get something from InteropItems. And it also simplifies
some already existing code along the way.
 2019-10-04 16:13:39 +03:00
Roman Khimov
0c963875af vm: check for fault flag first in Run() 
Switch cases are evaluated sequentially and the fault case is top-priority to
handle.
 2019-10-04 16:13:39 +03:00
Roman Khimov
705c7f106f vm: don't panic if there is no result in PopResult() 
This function is intended to be ran outside of the execute's panic recovery
mechanism, so it shouldn't panic if there is no result.
 2019-10-04 16:13:39 +03:00
Roman Khimov
a357d99624 vm: introduce MaxArraySize constant 
This is both for #373 and for interop functions that have to check some
inputs.
 2019-10-04 16:13:39 +03:00
Roman Khimov
cfa0c13322 vm: add InteropItem type for interop data 
This is an opaque data item that is to be used by the interop functions.
 2019-10-04 16:13:39 +03:00
Roman Khimov
da2156f955 vm: add batched RegisterInteropFuncs 2019-10-04 16:13:39 +03:00
Roman Khimov
26e3b6abbe vm: extend interops to contain price 
The same way C# node does.
 2019-10-04 16:13:39 +03:00
Roman Khimov
ceca9cdb67 core/vm: implement contract storage and script retrieval 
Fixes script invocations via the APPCALL instruction. Adjust contract state
field types accordingly.
 2019-10-04 16:13:39 +03:00
Roman Khimov
b7c1efe7e3 core: fix References() result key type 
If the block references two ouputs in some other transaction the code failed
to verify it because of key collision. C# code implements it properly by using
full CoinReference type as a key, so let's do it in a similar fashion.
 2019-10-01 13:41:26 +03:00
Roman Khimov
8537700b7b core: sort hashes and witnesses in VerifyWitnesses() 
Fixes failure to verify some multi-witnesses transactions in Testnet chain. C#
code contains similar logic.
 2019-10-01 13:41:26 +03:00
Roman Khimov
dd0dd2d031 core: add claim-specific GetScriptHashesForVerifying() 
Claim transactions have different logic in C# node, so we need to
implement it too. It's not the most elegant way to fix it, but let's make it
work first and then refactor if and where needed. Fixes verification of Claim
transactions.
 2019-10-01 13:41:26 +03:00
Roman Khimov
854fb187a3 core: verify transactions in AddBlock() 2019-10-01 13:41:26 +03:00
Roman Khimov
1095abb04c core: fix default asset expiration to match C# code 
Fixes bogus verification failures for non-native assets.
 2019-10-01 13:41:26 +03:00
Roman Khimov
832c56f97d core: fix DutyFlag check in GetScriptHashesForVerifying() 
It's a flag (used by Share and Invoice asset types), so it should be checked
like a flag, the same way C# node does.
 2019-10-01 13:41:26 +03:00
Roman Khimov
4ae18e8ffc block: check for Transaction length before messing with txes 
Fixes panic two lines below. Blocks without transactions are invalid by
definition, so there is a need to adjust tests accordingly.
 2019-10-01 13:41:26 +03:00
Roman Khimov
c3591d8897 vm: fix CHECKMULTISIG to comply with NEO VM implementation 
Testing with testnet quickly revealed that our code has an issue when the key
count doesn't equal signature count, fix it and add some comments.
 2019-10-01 13:41:26 +03:00
Roman Khimov
fac778d3dd
Merge pull request #414 from nspcc-dev/persistence-rewamp 
What started as an attempt to fix #366 ended up being quite substantial refactoring of the Blockchain->Store and Server->Blockchain interactions. As usually, some additional problems were noted and fixed along the way. It also accidentally fixes #410.
 2019-09-27 17:55:43 +03:00
Roman Khimov
7779ad6c28 storage: always return ErrKeyNotFound when key is not found 
It was true for MemoryStore and BoltDB, but not for LevelDB and Redis.
 2019-09-27 15:42:36 +03:00
Roman Khimov
5ff1399d54 storage: unexport MemoryStore mutex 
It shouldn't be available from outside.
 2019-09-27 15:42:36 +03:00