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294 commits

Author SHA1 Message Date
Anna Shaleva
73167999cc core: add cosigners field to transaction 
closes #864
 2020-05-04 11:53:31 +03:00
Anna Shaleva
08f5708edb core: remove Script attribute type 2020-05-04 11:49:14 +03:00
Roman Khimov
c1aa96d614
Merge pull request #911 from nspcc-dev/feature/convert 
vm: implement CONVERT opcode
 2020-04-28 18:08:36 +03:00
Evgenii Stratonikov
be38798785 vm: move Bool method to the StackItem interface 2020-04-28 15:13:41 +03:00
Anna Shaleva
29d321b5e1 *: drop miner transaction 
1. Completely remove miner transaction

2. Change validation rule for block: block without transactions is
valid.
 2020-04-27 17:57:37 +03:00
Roman Khimov
e6f5cffff6 transaction: drop Enrollment and State types 
They're completely replaced now by the NEO native contract voting system.
 2020-04-27 16:06:58 +03:00
Roman Khimov
b83e84ca08 core: switch to the new voting system (via native NEO contract) 
It has all the methods required now, so you can register, vote and get
voting results. Fixes #865.
 2020-04-27 16:06:50 +03:00
Roman Khimov
064636768b core/native: move ValidatorsCount processing into native NEO contract 2020-04-27 12:30:39 +03:00
Roman Khimov
3476a18fa9 core/native: store validators in NEO native contract state 
This technically breaks voting with UTXO-based NEO (processTXWithValidators*),
but we're moving towards the new system.
 2020-04-27 12:30:39 +03:00
Roman Khimov
30836ca69b core/native: untangle native contracts initialization 
The notion of NativeContractState shouldn't ever existed, native contract is a
contract and its state is saved as regular contract state which is critical
because we'll have MPT calculations over this state soon.

Initial minting should be done in Neo.Native.Deploy because it generates
notification that should have proper transaction context.

RegisterNative() shouldn't exist as a public method, native contracts are only
registered at block 0 and they can do it internally, no outside user should be
able to mess with it.

Move some structures from `native` package to `interop` also to avoid circular
references as interop.Context has to have a list of native contracts (exposing
them via Blockchainer is again too dangerous, it's too powerful tool).
 2020-04-27 12:30:39 +03:00
Anna Shaleva
869c7d6afa core: init native interops in the genesis block 
closes #836
 2020-04-27 12:30:39 +03:00
Anna Shaleva
2b5c14160c core: add sender field to transaction 
closes #860
 2020-04-20 17:21:28 +03:00
Evgenii Stratonikov
941410a840 core: change verification scripts to new format 
Verification scripts now invoke Neo.Crypto.* interops instead of
CHECKSIG/VERIFY opcodes.
 2020-04-20 11:55:24 +03:00
Evgenii Stratonikov
82b230f19f core: rename *block.Base.GetHashableData to GetSignedPart() 
This allow to use `Block` as a Verifiable item.
When tx is provided, it is set as an interop's script container.
Otherwise, block is set.
 2020-04-17 11:12:40 +03:00
Roman Khimov
888be75445
Merge pull request #863 from nspcc-dev/drop-publish-tx 
Drop publish tx
 2020-04-16 21:23:37 +03:00
Evgenii Stratonikov
76700f31cf core: implement skeletons for NEO/GAS native contracts 2020-04-16 15:55:35 +03:00
Evgenii Stratonikov
25354c44f9 core: implement NativeContract support 2020-04-16 15:55:34 +03:00
Roman Khimov
4912e4f425 *: drop Publish transaction type 
It shouldn't be used even in NEO 2 as it was substituted by contract
deployment interop functions.
 2020-04-16 14:40:20 +03:00
Anna Shaleva
5fa11987d2 core: add validUntilBlock field to transaction 
1. closes #841

2. Commented out test cases where binary transaction are used.
These test cases marked with `TODO NEO3.0: Update binary` and need to be
updated.

3. Updated other tests.

4. Added cache to calculateValidUntilBlock() RPC-client method.
 2020-04-15 13:46:43 +03:00
Roman Khimov
c40d7aa7f4 core: bump DB version to make it differ from 2.0 branch 2020-04-14 12:54:57 +03:00
Evgenii Stratonikov
7ffc6c0936 core: move interopContext to a separate package 2020-04-11 10:56:36 +03:00
Evgenii Stratonikov
90a08986d6 core: fix typo in function doc-comment 2020-04-11 10:56:36 +03:00
Evgenii Stratonikov
efddcf3bfe core: remove interop methods from interopContext 
If interops are defined as a separate functions
they can be implemented in a separate packages
which can help us to structure core.
 2020-04-11 10:56:35 +03:00
Evgenii Stratonikov
ee0ba9b1b4 core: make SpawnVM a method of context 
spawnVMWithInterops is rather long too type and
it doesn't use Blockchain in any way.
 2020-04-08 08:38:45 +03:00
Evgenii Stratonikov
030b7754ad core: move DAO to a separate package 2020-04-08 08:38:44 +03:00
Roman Khimov
5f09381cf4 core: wrap cached dao properly, don't miss cached data 
Fixes #817 where invoked contract missed updated account information because
it got it one layer below cachedDao used to process the block.
 2020-04-03 10:15:11 +03:00
Anna Shaleva
5a984fdf88 config: move config.go out of config/ 
closes #423
 2020-03-31 17:55:59 +03:00
Evgenii Stratonikov
6ed2bd63b9 core: marshal AppExecResult.Stack as an array 
Closes #782.
 2020-03-23 16:27:47 +03:00
Roman Khimov
d5d0479671 core: verify results of issue transaction 
It shouldn't try to issue more tokens than there is available.
 2020-03-17 11:40:01 +03:00
Roman Khimov
10601cb375 core: add issuer hashes into the verification list for Issue TX 
As it should be done.
 2020-03-17 11:40:00 +03:00
Roman Khimov
dca637d2d0 core: add owner hash to verified list for Register TX 
As it should be done.
 2020-03-17 11:37:02 +03:00
Roman Khimov
77a799f7d0 core: add missing state tx verifications 2020-03-16 20:14:59 +03:00
Roman Khimov
6ede65610d core: add appropriate hashes to check for State TX 
These checks are important for proper transaction verification.
 2020-03-16 19:52:28 +03:00
Evgenii Stratonikov
e503d1001d core/state: do not unmarshal Unclaimed balances in account 2020-03-16 12:19:32 +03:00
Evgenii Stratonikov
32401a567e core: store NEP5Transfers in batches 
This is an append-only log which is read only during some RPCs.
It is rather slow to get it from base every time we need to append to
it. This commit stores all NEP5Transfers in batches, so that
only a last batch needs to be unmarshaled during block processing.
 2020-03-12 14:51:12 +03:00
Evgenii Stratonikov
df2598c8dc core: store NEP5 balances separately 
There is no need to take and unmarshal an account structure only
to get it's NEP5 balances.
 2020-03-12 12:58:28 +03:00
Roman Khimov
5f1868af28
Merge pull request #743 from nspcc-dev/optimize-some-db-accesses 
Optimize some db accesses
 2020-03-11 17:33:36 +03:00
Roman Khimov
23464401bc core/state: merge spent and unspent coins state, use it to store more things 
This change reduces pressure on DB by doing the following things:
 * not storing additional KV pair for SpentCoin
 * storing Output right in the UnspentCoin, thus eliminating the need to get a
   full transaction from DB

At the same time it makes UnspentCoin more fat and hot, but it should probably
worth it.

Also drop `GetUnspentCoinStateOrNew` as it shouldn't ever existed, UTXOs
can't come out of nowhere.

1.5M block import time (VerifyBlocks disabled) on AMD Ryzen 5 1600/16GB/HDD,
before:
real    302m9.895s
user    96m17.200s
sys     13m37.084s

after:
real    159m16.551s
user    69m58.279s
sys     7m34.334s

So it's almost two-fold which is a great improvement.
 2020-03-11 12:40:02 +03:00
Roman Khimov
e1f194ea7b core: treat state.Coin as a bitfield 
As it was intended to.
 2020-03-11 12:22:57 +03:00
Roman Khimov
377fb382aa core: move (un)SpentCoin structs into the state package 
As they're all about the state.
 2020-03-11 12:22:52 +03:00
Roman Khimov
8318adac56 vm: add support for dynamic invocations in APPCALL 
Fixes #740.
 2020-03-10 17:17:36 +03:00
Anna Shaleva
456a2d55fd rpc: implement getvalidators 
closes #714
 2020-03-07 18:05:40 +03:00
Roman Khimov
baeaa3dbe6 core: optimize tx verification, only get references and results once 
Getting references requires DB access and that is expensive.
 2020-03-06 20:15:01 +03:00
Roman Khimov
fe4916f691 core: simplify GetTransactionResults() a bit 
Make less movements.
 2020-03-06 19:26:39 +03:00
Roman Khimov
f8eee778f4
Merge pull request #724 from nspcc-dev/feature/submitblock 
rpc: implement submitblock
 2020-03-06 12:08:45 +03:00
Evgenii Stratonikov
40188c5400 core: get rid of unnecessary copies 
There is no need to keep Balances and Unclaimed slices
sorted, we need only to remove a single element.
 2020-03-05 20:42:20 +03:00
Anna Shaleva
d3063c26e1 core: add custom error to blockhain.go 
Add InvalidBlockIndex error to AddBlock func
 2020-03-05 20:30:19 +03:00
Evgenii Stratonikov
95a8fa234f rpc: implement getnep5transfers RPC 2020-03-05 18:22:40 +03:00
Evgenii Stratonikov
f92fd3c948 core: track NEP5 transfers 2020-03-05 18:22:40 +03:00
Evgenii Stratonikov
e8c4179a9c core: track NEP5 balances 2020-03-05 18:22:19 +03:00
Evgenii Stratonikov
3a510b9dad core: allow transfer amount to be bytes 
VM can produce both big.Int and []byte because they
are converted to each other on demand.
 2020-03-05 15:18:38 +03:00
Roman Khimov
5c781be08d
Merge pull request #718 from nspcc-dev/fix-invocation-tx-checks-and-fee 
Fix Invocation TX checks and fee
 2020-03-05 11:51:51 +03:00
Roman Khimov
9ac8001c7d core: protect (*Blockchain).keyCache with a lock 
Avoid failures like this:
fatal error: concurrent map writes

goroutine 103 [running]:
runtime.throw(0xca6fe3, 0x15)
        /usr/lib64/go/1.12/src/runtime/panic.go:617 +0x72 fp=0xc000687988 sp=0xc000687958 pc=0x42d8d2
runtime.mapassign(0xb9d4a0, 0xc0000b1f80, 0xc000687a6c, 0x13bd940)
        /usr/lib64/go/1.12/src/runtime/map.go:590 +0x5e3 fp=0xc000687a10 sp=0xc000687988 pc=0x40e2a3
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHashAgainstScript(0xc0000f8000, 0x1300d1f5a3d348be, 0x78607089e4fe9fab, 0xc0a21e4f71, 0xc000d16070, 0x1e2b8881f8178e92, 0xd589cfa965287bb8, 0x24a4e4f292ebc797, 0xb90d3120d878e619, 0xc0001d01e0, ...)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1866 +0x371 fp=0xc000687ad8 sp=0xc000687a10 pc=0x984ed1
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHeaderWitnesses(0xc0000f8000, 0xc000d16000, 0xc00042d950, 0x1, 0xc00008a6c0)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1914 +0x209 fp=0xc000687c90 sp=0xc000687ad8 pc=0x985999
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).verifyHeader(0xc0000f8000, 0xc000d16000, 0xc00042d950, 0xf0ee0049d611101f, 0xf8967398a8f9351b)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:1254 +0x235 fp=0xc000687d70 sp=0xc000687c90 pc=0x97e4e5
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).addHeaders(0xc0000f8000, 0x1, 0xc000d12000, 0x7d0, 0x7d0, 0x0, 0x1)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:369 +0x266 fp=0xc000687e68 sp=0xc000687d70 pc=0x973f46
github.com/nspcc-dev/neo-go/pkg/core.(*Blockchain).AddHeaders(0xc0000f8000, 0xc000d12000, 0x7d0, 0x7d0, 0x0, 0xc0003640c0)
        /home/rik/dev/neo-go/pkg/core/blockchain.go:338 +0x51 fp=0xc000687eb0 sp=0xc000687e68 pc=0x973cb1
github.com/nspcc-dev/neo-go/pkg/network.(*Server).handleHeadersCmd(0xc00022c140, 0xdd0ca0, 0xc000374000, 0xc00000c020)
        /home/rik/dev/neo-go/pkg/network/server.go:431 +0x74 fp=0xc000687fc0 sp=0xc000687eb0 pc=0x9ce5e4
runtime.goexit()
        /usr/lib64/go/1.12/src/runtime/asm_amd64.s:1337 +0x1 fp=0xc000687fc8 sp=0xc000687fc0 pc=0x45ca51
created by github.com/nspcc-dev/neo-go/pkg/network.(*Server).handleMessage
        /home/rik/dev/neo-go/pkg/network/server.go:705 +0xa4a
...
 2020-03-04 20:26:18 +03:00
Roman Khimov
81d89cd502 core: fix SystemFee calculation for Invocation TXes 
They have it specified right in the transaction. Unfortunately, this little
change rendered invalid our RPC test chain, but I think it became even better
after it, especially given that chain generation is a nice test by itself, so
it should be running as a regular test.
 2020-03-04 19:23:23 +03:00
Roman Khimov
ae6edf0601 core: add a check for fractional gas in invocation TXes 
It's not allowed in C# code and that's reasonable as it's a sysfee essentially
that can only be integer.
 2020-03-04 19:23:23 +03:00
Roman Khimov
823798514a util: rename Int64Value to IntegralValue, add FractionalValue 
Makes it's interface more clear and allows to easily access fractional part.
 2020-03-04 19:23:23 +03:00
Roman Khimov
e41d434a49 *: move all packages from CityOfZion to nspcc-dev 2020-03-03 17:21:42 +03:00
Roman Khimov
c3e73c5b7d core: don't reverify stale headers in addHeader 
During networked synchronization we expect there to be a lot of duplicate
headers received and it makes no sense for us reverifying them.
 2020-03-03 15:34:03 +03:00
Evgenii Stratonikov
9e9d59b49a core: set NetworkFee to 0 for Claim and Miner transactions 
Claim tx have no GAS inputs and a positive output which
can lead to negative network fee.
 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
de5215a564 core: use GetAccountStateOrNew() in (*Blockchain).GetValidators() 
Target of the transaction output may not yet exist in database.
 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
1b9968df67 core: optimize CalculateClaimable() 
Because accumulated system fee is stored for every block,
it is easy to calculate sum with just to reads.
 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
258d8be1dd core: store all accumulated SystemFee with every block 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
f69c8a763b core: store system fee together with block 
Recalculating system fee can be rather costly if done
frequently.
 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
45b8669b42 core: verify Claim transactions 2020-03-02 18:01:49 +03:00
Evgenii Stratonikov
95d9f36c98 core: implement UnclaimedBalance tracking 
To make it easy to get unclaimed coins for the
specified account they must be tracked together.
 2020-03-02 18:00:00 +03:00
Evgenii Stratonikov
7095ec6c51 core: implement (*Blockchain).CalculateClaimable 
Calculating amount of GAS that can be claimed is required
for getclaimable RPC.
 2020-03-02 18:00:00 +03:00
Roman Khimov
252a9f2f31
Merge pull request #690 from nspcc-dev/feature/getapplicationlog 
rpc: implement getapplicationlog RPC
 2020-03-02 17:41:32 +03:00
Anna Shaleva
ff4384d7ff rpc: implement getapplicationlog RPC 
Closes #500
 2020-03-02 17:25:27 +03:00
Anna Shaleva
7d46404e2d smartcontract: turn trigger types into Type 
1) Turn trigger types from byte constants into Type
2) Add auto-generated stringer for future purposes
 2020-03-02 17:25:27 +03:00
Evgenii Stratonikov
3a5224344e core: verify headers in AddHeaders() 
Headers can be malformed so public methods should verify them
before adding.
 2020-03-02 17:22:26 +03:00
Roman Khimov
7d59fa0066
Merge pull request #696 from nspcc-dev/tx-verification-fixes 
Claim and enrollment TX verification fixes
 2020-02-27 12:45:36 +03:00
Roman Khimov
00d199ed85 core: fix NetworkFee calculation 
Add doesn't change the variable state. Thanks to GolangCI for catching this.
 2020-02-27 12:32:56 +03:00
Roman Khimov
7bea6e043e core: add double claim verification check 2020-02-27 12:32:56 +03:00
Roman Khimov
29586f2aa7 core: add duplicate Claim verification check 
Refactor HaveInputsDuplicate() out of the core and Blockchain, it doesn't
depend on the Blockchain state. Make it more efficient.
 2020-02-27 12:32:56 +03:00
Roman Khimov
9b1ad40273 core: drop GetScriptHashesForVerifyingClaim, fix Claim's ScriptHash getter 
Claim transactions should _add_ claims scripthashes to the standard list, not
replace them. And this code is actually very reusable.
 2020-02-27 12:32:56 +03:00
Roman Khimov
9f7018503a core/transaction: use new transaction.InOut for References 
We don't need a map here, use simpler structures.
 2020-02-27 12:00:03 +03:00
Roman Khimov
80de208a68 transaction: unbind GroupInputsByPrevHash from Transaction 
Which allows to use it for ClaimTX. Make it also a bit more efficient as maps
are expensive.
 2020-02-27 12:00:03 +03:00
Roman Khimov
c258adb532 core: move spent coin management out of the inner storeBlock loop 
prevHash == input.PrevHash, so make less DB accesses and more real work. Fix
some bugs along the way:
 * spentCoins structure may already be present in the DB when persisting TX,
   there is nothing wrong with that and we shouldn't overwrite it
 * it's only used for NEO and only to check for claim validity. Thus, when
   processing claim tx the corresponding spentCoins should always be present
   in the DB
 2020-02-25 17:21:09 +03:00
Roman Khimov
36c6b6af14 core: put unspents get/put one loop above in storeBlock 
Everywhere in this code prevHash == input.PrevHash, thus we can easily move
some common code out of the loop saving on DB accesses and
serialization/deserialization.
 2020-02-24 18:53:10 +03:00
Roman Khimov
5c9681508b transaction: strip off a layer of redirection from ClaimTX.Claims 
We don't need a pointer here and this change makes this field compatible with
Transaction.Inputs which is useful in many scenarios.
 2020-02-24 18:22:27 +03:00
Roman Khimov
b49808b766 core: reschedule the next persist in a second from previous one 
It makes little sense queueing up several persistence goroutines (or actually
even running them concurrently).
 2020-02-24 17:17:25 +03:00
Roman Khimov
d5e6028c13 core: add validator public key into the list of hashes to verify 
That should be done for Enrollment transactions.
 2020-02-21 20:04:16 +03:00
Roman Khimov
eb11e5fb11 core: implement basic policying support, fix #370 
Implement mempool and consensus block creation policies, almost the same as
SimplePolicy plugin for C# node provides with two caveats:
 * HighPriorityTxType is not configured and hardcoded to ClaimType
 * BlockedAccounts are not supported

Other than that it allows us to run successfuly as testnet CN, previously our
proposals were rejected because we were proposing blocks with oversized
transactions (that are rejected by PoolTx() now).

Mainnet and testnet configuration files are updated accordingly, but privnet
is left as is with no limits.

Configuration is currently attached to the Blockchain and so is the code that
does policying, it may be moved somewhere in the future, but it works for
now.
 2020-02-19 12:19:02 +03:00
Roman Khimov
22f5667530 mempool: return fee along with tx when requesting tx 
Users of GetVerifiedTransactions() don't want to recalculate tx fee and it's
nice to have it returned from TryGetValue() also sometimes.
 2020-02-19 12:19:02 +03:00
Roman Khimov
06daeb44f3 core: make IsLowPriority work with pre-calculated fee 
Don't recalculate it again and again.
 2020-02-19 12:19:02 +03:00
Roman Khimov
a4294f4b5f core: export UtilityTokenID and GoverningTokenID 
Both are very useful outside of the core, this change also makes respective
transactions initialize with the package as they don't depend on any kind of
input and it makes no sense recreating them again and again on every use.
 2020-02-19 12:13:27 +03:00
Roman Khimov
b41a5239c6 core: always sort the result of GetValidators 
It wasn't sorted when all validators were elected. There is also no need to do
`Unique()` on the result because validators are distinguished by the key, so
no two registered validators can have the same key.
 2020-02-18 20:36:22 +03:00
Roman Khimov
dfb38e1da1
Merge pull request #649 from nspcc-dev/feature/dump_storage 
cli: add possibility to dump storage changes on restore
 2020-02-16 23:50:31 +03:00
Roman Khimov
b5453ad24f
Merge pull request #672 from nspcc-dev/fix-sigsegv-on-reference-check 
core: deal with bad transaction Inputs
 2020-02-14 13:23:42 +03:00
Roman Khimov
0fceaf12d2 core: deal with bad transaction Inputs 
They may not really have a reference. Fixes #671.
 2020-02-14 09:42:10 +03:00
Roman Khimov
d4cd134aef core: sort GetValidators() result 
As C# node does it. Technically it's only needed for consensus and could be
implemented in the appropriate package, but for better compatibility with C#
node we're better returning it sorted right here.
 2020-02-13 17:07:27 +03:00
Roman Khimov
26af9200b0 core: refactor voting processing, fix pending tx subtractions 
Deduplicate code and add missing token check for subtractions that are being
done in GetValidators() for pending transactions.
 2020-02-13 13:07:34 +03:00
Roman Khimov
c8a248596e core: introduce ValidatorsCount, make a proper count 
We were completely lacking ValidatorsCount that is supposed to track the
number of votes with particular count of consensus nodes which in theory can
change the number of active consensus nodes (if it ever to exceed the number
of standby validators), so we were not producing the right count and based on
that not giving the right set of validators.

Fixes #512.
 2020-02-13 13:07:34 +03:00
Roman Khimov
357b675090 core: don't choose duplicating standby validators 
We may already have chosen some of standby validators, so don't repeat.
 2020-02-13 13:07:34 +03:00
Roman Khimov
f9c6a0d77c core: make voting choose the best validators 
They need to be sorted in order for voting system to work.
 2020-02-13 13:07:34 +03:00
Roman Khimov
2ff7ceb8cf core: properly update validator votes for Account descriptor 
ValidatorsCount is not implemented yet, but we need to update validators
properly, adding account's vote to their votes count.
 2020-02-13 13:07:34 +03:00
Roman Khimov
8310b76d28 core: properly save votes when processing Account descriptor 
They were ignored basically.
 2020-02-13 13:07:34 +03:00
Roman Khimov
807309a0de core/state: only drop unregistered non-voted validators 
Simple as that: UnregisteredAndHasNoVotes != !RegisteredAndHasVotes

Registered validators should stay in the DB, we might be in the process of
updating votes for them and that starts with subtraction.
 2020-02-13 13:07:34 +03:00
Roman Khimov
38d0efc96c core: fix Registered state descriptor processing 
It has simple boolean value encoded, no `strconv` needed (it actually chokes
on such input).
 2020-02-12 21:27:40 +03:00
Evgenii Stratonikov
b1d9e1132d cli: dump storage changes into JSON files 2020-02-12 12:16:31 +03:00