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612 commits

Author SHA1 Message Date
Evgenii Stratonikov
f8728e4f44 vmcli: unify error messages 2020-12-02 10:49:37 +03:00
Evgenii Stratonikov
bea5125d42 vmcli: return after error in break 2020-12-02 10:49:37 +03:00
Evgenii Stratonikov
d7ffa89811 vmcli: set breakpoint before the instruction 
Breakpoint should occur before actual instruction execution.
 2020-12-02 10:49:37 +03:00
Evgenii Stratonikov
2f39701d76 vm: provide writer in PrintOps() 
Make it more flexible and testable. Fallback to using
stdout if no writer is provided.
 2020-12-02 10:49:37 +03:00
Roman Khimov
d93aa745bb contract: avoid going to the DB for entry scripts 
This optimizes out DB access for non-deployed contracts under the assumption
that deployed ones are always loaded via `LoadScriptWithHash` (and if they're
not --- it's a bug anyway with the new hashing model) which actually is a very
popular case (every entry script does that).
 2020-11-27 21:47:08 +03:00
Anna Shaleva
0f68528095 core: add callback to VM context 2020-11-25 18:37:29 +03:00
Evgenii Stratonikov
7d91a3a89e pkg: move internal/ package to the root directory 
This way we can use it in scripts and cli.
 2020-11-24 16:39:56 +03:00
Evgenii Stratonikov
42ae226f9e native: use proper stack for result 
When native method calls other contract result should be put
on the stack of current context. With oracles this problem wasn't
noticed because of void return type.
 2020-11-24 12:17:28 +03:00
Evgenii Stratonikov
4de233b339 emit: allow to emit nested arrays 2020-11-24 11:23:44 +03:00
Roman Khimov
bf9ecc2bd3 vm: improve REVERSEITEMS for 1M Buffer 
Before:
BenchmarkOpcodes/REVERSEITEMS/buffer/1M-8                   1680            758747 ns/op

After:
BenchmarkOpcodes/REVERSEITEMS/buffer/1M-8                   2649            442720 ns/op
 2020-11-06 23:31:26 +03:00
Roman Khimov
2522271161 vm: use Application trigger by default 
Don't mess with System, it's too powerful to be the default.
 2020-10-29 19:17:07 +03:00
Roman Khimov
6849499f56
Merge pull request #1493 from nspcc-dev/vm-opcode-bench 
vm: add opcode benchmark
 2020-10-16 11:02:04 +03:00
Roman Khimov
0709e20fbb vm: add opcode benchmark 
For future optimizations and price adjustments.
 2020-10-15 16:27:36 +03:00
Roman Khimov
27a01c7759 vm: optimize stack traversal on exception handling 
Before:
BenchmarkOpcodes/THROW/0/1-8       10000               506 ns/op
BenchmarkOpcodes/THROW/0/16-8      10000               524 ns/op
BenchmarkOpcodes/THROW/255/0-8     10000             49363 ns/op
BenchmarkOpcodes/THROW/1023/0-8                    10000           1628480 ns/op

After:
BenchmarkOpcodes/THROW/0/1-8       10000               575 ns/op
BenchmarkOpcodes/THROW/0/16-8      10000               516 ns/op
BenchmarkOpcodes/THROW/255/0-8     10000              8290 ns/op
BenchmarkOpcodes/THROW/1023/0-8                    10000             34605 ns/op
 2020-10-15 16:20:34 +03:00
Roman Khimov
3d8434a50c vm: fix invocation stack checks 
It should be done on every new context push.
 2020-10-15 16:20:34 +03:00
Roman Khimov
fe0ec91636 vm: optimize reversing items on the stack 
Before:
BenchmarkOpcodes/REVERSE3/null-8                   10000               335 ns/op
BenchmarkOpcodes/REVERSE3/integer-8                10000               355 ns/op
BenchmarkOpcodes/REVERSE3/big_bytes-8              10000               344 ns/op
BenchmarkOpcodes/REVERSE4/null-8                   10000               353 ns/op
BenchmarkOpcodes/REVERSE4/integer-8                10000               336 ns/op
BenchmarkOpcodes/REVERSE4/big_bytes-8              10000               324 ns/op
BenchmarkOpcodes/REVERSEN/5/null-8                 10000               350 ns/op
BenchmarkOpcodes/REVERSEN/5/integer-8              10000               358 ns/op
BenchmarkOpcodes/REVERSEN/5/big_bytes-8            10000               351 ns/op
BenchmarkOpcodes/REVERSEN/1024/null-8              10000            982413 ns/op
BenchmarkOpcodes/REVERSEN/1024/integer-8                   10000            994926 ns/op
BenchmarkOpcodes/REVERSEN/1024/big_bytes-8                 10000            992951 ns/op

After:
BenchmarkOpcodes/REVERSE3/null-8                   10000               241 ns/op
BenchmarkOpcodes/REVERSE3/integer-8                10000               255 ns/op
BenchmarkOpcodes/REVERSE3/big_bytes-8              10000               249 ns/op
BenchmarkOpcodes/REVERSE4/null-8                   10000               249 ns/op
BenchmarkOpcodes/REVERSE4/integer-8                10000               267 ns/op
BenchmarkOpcodes/REVERSE4/big_bytes-8              10000               292 ns/op
BenchmarkOpcodes/REVERSEN/5/null-8                 10000               337 ns/op
BenchmarkOpcodes/REVERSEN/5/integer-8              10000               327 ns/op
BenchmarkOpcodes/REVERSEN/5/big_bytes-8            10000               293 ns/op
BenchmarkOpcodes/REVERSEN/1024/null-8              10000              5414 ns/op
BenchmarkOpcodes/REVERSEN/1024/integer-8                   10000              5487 ns/op
BenchmarkOpcodes/REVERSEN/1024/big_bytes-8                 10000              5609 ns/op
 2020-10-15 16:19:59 +03:00
Anna Shaleva
fe1f0a7245 core: introduce CheckReturnState constants 
At the moment we should have 3 possible options to check return state
during vm context unloading:
	* no check
	* ensure the stack is empty
	* ensure the stack is not empty

It is necessary to distinguish them because new _deploy method shouldn't
left anything on stack. Example: if we use _deploy method before some
ordinary contract method which returns one value. Without these changes
the contract invocation will fail due to 2 elements on stack left after
invocation (the first `null` element is from _deploy, the second element
is return-value from the ordinary contract method).
 2020-10-13 19:14:44 +03:00
Roman Khimov
124ce9d247
Merge pull request #1455 from nspcc-dev/get_invocation_counter 
core: remove error from runtime.GetInvocationCounter
 2020-10-08 16:34:40 +03:00
Anna Shaleva
cbf89fbb19 vm: add Call method which increments invocation counter 2020-10-08 16:25:45 +03:00
Anna Shaleva
6ce00fde82 vm, core: move invocation counter from InteropContext to VM 2020-10-08 11:33:26 +03:00
Roman Khimov
0120a8f239 stackitem: limit buffer/bytearray reads upon deserialization 
This is not the way it's done in C#, but that's the most sensible approach to
me.
 2020-10-07 23:08:20 +03:00
Roman Khimov
64e9775707 vm/stackitem: limit reads for bigint values 
They can't exceed 33 bytes.
 2020-10-07 23:07:10 +03:00
Evgenii Stratonikov
96bca91e4b vm: handle very big int creation properly 
Determine size as in reference implementation instead of
`big.Int.BitLen()`

Close #1437.
 2020-10-07 11:50:42 +03:00
Roman Khimov
d6a1a22afa
Merge pull request #1452 from nspcc-dev/contract/deploy 
Support `_deploy` method
 2020-10-06 19:54:14 +03:00
Evgenii Stratonikov
b2a3a0851e emit: accept multiple opcodes in Opcode() 2020-10-06 18:03:25 +03:00
Evgenii Stratonikov
0b76f875c7 core: allow Null in System.Contract.Update 
Null means absense of script or manifest, empty
byte-slice is an error.

Related #1459.
 2020-10-06 10:34:45 +03:00
Anna Shaleva
6761c297b5 vm: add test to check reference counter after PACK-UNPACK 
Related issue: https://github.com/neo-project/neo-vm/pull/370
 2020-09-29 18:46:20 +03:00
Anna Shaleva
66ca654b07 vm: refactor ISNULL opcode handling 2020-09-29 18:46:20 +03:00
Anna Shaleva
543fd58e93 vm: restrict map key size 2020-09-29 18:46:15 +03:00
Anna Shaleva
1f9b92c295 vm: restrict comparable ByteArray length 
MaxByteArrayComparableSize should equals to 65535.
 2020-09-29 10:42:01 +03:00
Roman Khimov
26339c75dc vm/core: drop old key caching system 
Obsoleted by f5f58a7e91.
 2020-09-10 14:43:24 +03:00
Evgenii Stratonikov
04f5fdefa0 vm: properly unload context on exception 
Do not copy exception context on CALL*.
 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
fa1d1a8b00 compiler: support defer statement 
Compile `defer` statement to a TRY/ENDFINALLY opcode pair.
 2020-08-27 10:28:50 +03:00
Evgenii Stratonikov
ab4cd8a990 vm: fix typo in MEMCPY handling 2020-08-25 08:53:29 +03:00
Roman Khimov
681ae4d5d6 vm: fix TRY offsets check 
TRY can have an offset != 0 and still it can't have both parameters set to
zero.
 2020-08-24 16:20:57 +03:00
Roman Khimov
32112249d5 vm: limit maximum nesting of exception contexts 
Follow neo-project/neo#365. neo-vm submodule is updated just to show the
relevant latest commit, nothing really changed there.
 2020-08-24 15:37:39 +03:00
Roman Khimov
324f4c265b stackitem: don't copy existing slices for TryBytes 
Most often we only need to read them and it doesn't require copying. Make an
explicit copy (and copy only things we need!) where needed.

After the recent neo-vm tests update our vm package testing time jumped to
~12s, with this change it's now more like ~8s.
 2020-08-22 23:36:38 +03:00
Roman Khimov
77ea3d361b vm: update neo-vm tests, simplify parsing 
We no longer have "*N" notation, see neo-project/neo-vm#326.
 2020-08-22 23:35:29 +03:00
Roman Khimov
74097ae8b0 stackitem: add NewPointerWithHash() to save on hash calculations 
Inspired by neo-project/neo-vm#352. We can't directly compare slices, so we're
better optimize things we already have. At the same time this code would
behave a bit different if A is to call B and then B is call A and then some
pointer from the first A invocation is to be compared with a pointer from the
second A invocation. Not sure it really matters.
 2020-08-22 22:19:44 +03:00
Roman Khimov
93f51f922a stackitem: return error in TryBytes() for big byte strings 
Follow neo-project/neo-vm#349.
 2020-08-21 21:05:47 +03:00
Roman Khimov
a7670303e8 stackitem: change Bool() to TryBool(), prepare for its failures 2020-08-21 20:55:20 +03:00
Evgenii Stratonikov
681e81420a vm: make (*Context).IP() return instruction pointer 
It is misleading to return +1 in code, and user representation
can always be altered.
 2020-08-21 08:44:32 +03:00
Evgenii Stratonikov
a080d24cf5 vm: fix debugger and add tests 
1. `Run()` must be able to continue execution after a breakpoint.
2. VM must stop right before the breakpoint, not after.
3. Initial vm state is NONE, not HALT.
 2020-08-18 11:26:27 +03:00
Evgenii Stratonikov
8659fd79e5 vm: add tests for ByteString enumerator/iterator 2020-08-18 11:24:48 +03:00
Evgenii Stratonikov
b2e53fedac vm: pretty-print SYSCALL opcode 2020-08-14 14:22:46 +03:00
Evgenii Stratonikov
7854dcfd8f core: replace interop names with named constants 2020-08-14 14:21:54 +03:00
Evgenii Stratonikov
f3650e20b0 vm: move InteropNameToID to a separate package 2020-08-14 13:54:11 +03:00
Evgenii Stratonikov
9cc6e22365 vm: pretty-print ST*/LD* opcodes 2020-08-13 10:38:13 +03:00
Evgenii Stratonikov
7d08d38cd2 vm: pretty-print PUSHINT* opcodes 2020-08-13 10:38:13 +03:00
Evgenii Stratonikov
92ddc474d8 vm: pretty-print CONVERT and ISTYPE opcodes 2020-08-13 10:38:13 +03:00
Evgenii Stratonikov
a34ba92d46 compiler: allow to split main package across multiple files 2020-08-11 11:12:55 +03:00
Evgenii Stratonikov
057e1c6e3c compiler: provide filename to Compile() 2020-08-11 11:10:45 +03:00
Evgenii Stratonikov
bf01599430 vm: check return value on context unload 
When calling external contracts we expect exactly 1 value to be on
stack. For methods returning nothing, `Null` value is pushed, otherwise
it is an error.`
 2020-08-10 11:52:33 +03:00
Evgenii Stratonikov
b65369e111 emit: remove unused functions 2020-08-10 11:14:48 +03:00
Roman Khimov
f5131491b7
Merge pull request #1271 from nspcc-dev/core/call_from_native 
core: contractCall from native contracts
 2020-08-07 21:24:50 +03:00
Anna Shaleva
c87e2262c3 core: remove ScriptHashGetter from interop context 
We have VM inside the context, so don't need ScriptHashGetter anymore.
 2020-08-07 20:31:20 +03:00
Roman Khimov
c3c88a57cd
Merge pull request #1281 from nspcc-dev/drop-go-1.12-and-fix-some-things 
Drop go 1.12 and fix some things
 2020-08-07 13:34:54 +03:00
Roman Khimov
0e2784cd2c always wrap errors when creating new ones with fmt.Errorf() 
It doesn't really change anything in most of the cases, but it's a useful
habit anyway.

Fix #350.
 2020-08-07 12:21:52 +03:00
Roman Khimov
5ef08f60ae remove github.com/pkg/errors from dependencies 
It's not needed any more with Go 1.13 as we have wrapping/unwrapping in base
packages. All errors.Wrap calls are replaced with fmt.Errorf, some strings are
improved along the way.
 2020-08-07 12:21:52 +03:00
Evgenii Stratonikov
a3f419f8df emit: allow to emit Null 2020-08-06 20:39:13 +03:00
Roman Khimov
f5fbef165a
Merge pull request #1259 from nspcc-dev/fix/notifications 
Disallow changing notifications
 2020-08-05 19:50:45 +03:00
Evgenii Stratonikov
b8cc33d0b2 stackitem: implement DeepCopy 2020-08-05 11:19:41 +03:00
Evgenii Stratonikov
7e3813a88f cli: use TAB as delimiter in vm parse 
Make it simpler to use result in pipes:

neo-go vm parse 123 | rg "Integer to Hex" | cut -f1- | sed -r 's/\t//g'
 2020-08-05 09:40:50 +03:00
Evgenii Stratonikov
227c6a2caa cli: allow to use vm parse directly 2020-08-05 09:40:50 +03:00
Roman Khimov
fa5ff8dd95
Merge pull request #1242 from nspcc-dev/fix/json 
Implement lossless stackitem to json conversion
 2020-08-04 12:59:47 +03:00
Evgenii Stratonikov
54590062e6 vm: use raw stack items when printing stack 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
7b4acd5a7f vm: allow to convert stack to a slice 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
9d6ce4bdcc stackitem: implement unmarshaling from JSON with types 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
ee5ff40b17 stackitem: allow to convert type from string 
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
c16bb466a0 stackitem: implement marshaling to JSON with types 
There are 2 kinds of JSON marshaling:
1. Lossy raw marshaling, when type information is lost and
    map keys are expected to be valid utf-8 strings.
2. Almost lossless marshaling, which can handle any non-recursive item.
    Interop value preserves only type.

This commit implements the second.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
b53f0257f5 stackitem: change ByteArray type to ByteString 
Adjust only string representation.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
 2020-07-31 16:07:16 +03:00
Evgenii Stratonikov
5500195d58 stackitem: ensure map keys are a valid UTF-8 2020-07-30 12:37:32 +03:00
Evgenii Stratonikov
f40aba4cd0 vm: convert items to UTF-8 strings 
Add `stackitem.ToString` for seamless string conversion.
 2020-07-30 12:37:31 +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
fyrchik
b187dfe3ce
Merge pull request #1236 from nspcc-dev/rpc/getrawmempool 
rpc: update `getrawmempool` and `getrawtransaction` RPC-calls
 2020-07-29 10:18:51 +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
fyrchik
5cf4481331
Merge pull request #1228 from nspcc-dev/fix/contractcall 
Adjust `System.Contract.Call.*` interops
 2020-07-28 13:18:24 +03:00
Evgenii Stratonikov
5fe8095cee vmcli: implement parse command 
Implement parse command for converting arbitrary values to other
formats. It supports Integer, String, Hex, Base64 and
Address representations.
 2020-07-27 13:05:37 +03:00
Evgenii Stratonikov
b3e166aeff vmcli: remove unused method 2020-07-27 13:04:52 +03:00
Evgenii Stratonikov
466af55dea vm: isolate stack in LoadScript 
When calling contract it must be provided with a new stack containing
only it's arguments. The result is then copied back on RET.

Fix #1220.
 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
13b9eda08d vm: allow to call VM methods from outside 
Abstract out (*VM).Call method and use in in CALL* opcodes.
 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
6ecd1ae437 vm: allow to initialize static slot in method 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
d2ddf7b7cb *: support invoking methods by offset 
Allow to invoke methods by offset:
1. Every invoked contract must have manifest.
2. Check arguments count on invocation.
3. Change AppCall to a regular syscall.
4. Add test suite for `System.Contract.Call`.
 2020-07-27 13:00:35 +03:00
Evgenii Stratonikov
299491080a vm: simplify interop id in json tests 2020-07-24 10:44:02 +03:00
Evgenii Stratonikov
68ad620af0 vm: update json tests to master 2020-07-24 10:44:02 +03:00
Evgenii Stratonikov
797324cb04 vm: support exceptions 
Implement 3 new instructions: TRY,ENDTRY,ENDFINALLY.
1. TRY marks the start of the block where exceptions are catched.
    It has 2 arguments which are relative offsets of exception handler
    and the end of the whole try/catch construction.
2. ENDTRY denotes either end of try or catch block.
3. ENDFINALLY denotes end of finally block which is executed
    irregardless of whether an exception has occured.
 2020-07-24 10:41:41 +03:00
Evgenii Stratonikov
c0d7b9d234 vm: clear references on context unload 
Remove argument and local references from the reference counter when
returning from function.
 2020-07-24 10:41:40 +03:00
Evgenii Stratonikov
aec9111961 vm: replace jumpIf with jump 
`jumpIf` is used only once with non-constant condition.
 2020-07-24 10:36:51 +03:00
Roman Khimov
a45c160f10
Merge pull request #1225 from nspcc-dev/fix/equal 
vm: make EQUAL type strict
 2020-07-23 23:42:22 +03:00
Roman Khimov
2800179ce0
Merge pull request #1226 from nspcc-dev/fix/pusha 
vm: make offset in PUSHA relative
 2020-07-23 23:40:21 +03:00
Anna Shaleva
8fde41001e core, vm: remove allowed triggers from syscalls 
Closes #1205.
 2020-07-23 20:44:39 +03:00
Evgenii Stratonikov
b8843a2dfa vm: make offset in PUSHA relative 
Follow neo-project/neo-vm#317 .
 2020-07-23 13:07:30 +03:00
Evgenii Stratonikov
9252ef65bb vm: make EQUAL type strict 
Do not perform type conversions when comparing elements.
 2020-07-23 13:01:43 +03:00
Roman Khimov
18dcc16553
Merge pull request #1222 from nspcc-dev/fix/rvcount 
Remove return value count
 2020-07-23 10:34:34 +03:00
Evgenii Stratonikov
58a594e3d4 vm: remove rvcount 
It isn't used anymore.
 2020-07-23 10:29:05 +03:00
Anna Shaleva
c9ef7425ac core: adjust System.Iterator.Create interop 
Closes #1201.

It should be able to iterate over primitive byte-array-like types also.
 2020-07-23 07:51:55 +03:00
Anna Shaleva
459ac34839 core: adjust System.Enumerator.Create interop 
Part of #1201.

It should be able to create enumerator from primitive byte-array-like
stack items too.
 2020-07-23 07:51:24 +03:00
Evgenii Stratonikov
261ff3c655 vm: remove alt.stack 
It is no longer present in NEO3.
 2020-07-22 13:20:31 +03:00
Evgenii Stratonikov
3d7fa9de93 *: make Notify interop accept event name 2020-07-20 13:33:32 +03:00
Anna Shaleva
a3e306ff78 core: implement Secp256k1 Verify and CheckMultisig interops 
Closes #918.
 2020-07-14 16:21:34 +03:00
Anna Shaleva
5326fc587a core: rename Neo.Crypto.CheckMultisig to Neo.Crypto.CheckMultisigWithECDsaSecp256r1 
Part of #918
 2020-07-14 16:19:12 +03:00
Anna Shaleva
17233e1d8e core: rename Neo.Crypto.Verify to Neo.Crypto.VerifyWithECDsaSecp256r1 
Part of #918
 2020-07-14 16:19:12 +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
15c6cc932d vm: drop checkedhash, it's an unused NeoVM 2 remnant 2020-07-09 15:05:14 +03:00
Roman Khimov
1bb26dcdc1 vm: fix INITSSLOT, it's context-wide, not VM-wide 
It's tied to the current contract, not to VM.
 2020-07-09 15:00:49 +03:00
Anna Shaleva
29f1e646ed vm: fix stackitem serialisation 
We're able to serialise Buffer stackitem, but can not deserealise it
which leads to errors. Fixed.
 2020-07-06 15:04:19 +03:00
Roman Khimov
08c516014f
Merge pull request #1132 from nspcc-dev/neo3/rpc/fixed8_marshalling 
*: switch from Fixed8 to int64
 2020-06-29 21:44:40 +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
Roman Khimov
372dd71708
Merge pull request #1108 from nspcc-dev/neo3/compiler/nef 
compiler: support *.nef and *.manifest.json generation
 2020-06-29 20:55:47 +03:00
Anna Shaleva
1c1818d97e vm: fix typoes in cli package 2020-06-29 09:15:29 +03:00
Anna Shaleva
b387deaa05 vm: switch from .avm to .nef 2020-06-29 09:15:29 +03:00
Evgenii Stratonikov
bdaffe75cb vm: extend PrintOps() with INITSSLOT & INITSLOT 2020-06-26 19:35:03 +03:00
Evgenii Stratonikov
82417499d7 vm: beautify PrintOps() output for JMP* instructions 2020-06-26 19:34:58 +03:00
Evgenii Stratonikov
709f656bcf vm: remove unused parameter from getJumpOffset 2020-06-26 19:17:17 +03:00
Roman Khimov
32b0936499 vm/cli: improve loadhex example 
It was using Neo 2 opcodes.
 2020-06-25 18:33:46 +03:00
Roman Khimov
003daf37cf vm/cli: add parameter checks for load* commands 
Prevent failing like this:

NEO-GO-VM > loadhex
panic: runtime error: index out of range

...
 2020-06-25 18:33:46 +03:00
Roman Khimov
5d63ff100e vm/cli: add support for loadbase64 command 
Neo3 outputs scripts in base64 for transactions and contracts, to quickly
parse them add a special `loadbase64` command.
 2020-06-25 18:33:46 +03:00
Roman Khimov
a77357227a vm: fix caller's script hash returned from VM 
Regular CALLs don't update it, only Contract.Call does. Fixes the following
mismatch on preview2 testnet:

file BlockStorage_100000/dump-block-49000.json: block 48644, changes number mismatch: 6 vs 4
 2020-06-24 10:22:21 +03:00
Evgenii Stratonikov
47f53e612e vm: fix Log and Notify default interop prices 2020-06-19 12:58:33 +03:00
Evgenii Stratonikov
a980cac0b3 stackitem: support Null item (de-)serialization 
It's binary representation contains just type (AnyT).
 2020-06-19 11:38:56 +03:00
Evgenii Stratonikov
a7d4fff897 vm: make (*VM).GasLimit public 
VM is inherently single-threaded and replacing setter/getter methods
with public field simplifies code a bit.
 2020-06-16 15:13:20 +03:00
Evgenii Stratonikov
d836233352 stackitem: allow to (de-)serialize items to JSON 
This commit implements behavior identical to that of C# `System.Json.*` interops.
 2020-06-16 11:34:01 +03:00
Evgenii Stratonikov
f2f01a08c9 vm: move MaxArraySize and MaxItemSize to stackitem package 2020-06-16 11:32:16 +03:00
Evgenii Stratonikov
aae312d408 core,vm: adjust prices for iterator/enumerator syscalls 
Closes #1027.
 2020-06-16 11:05:26 +03:00
Evgenii Stratonikov
18066143bd core,vm: adjust binary (de-)serialization syscalls 
Related #1027.

1. Move System.Runtime.(De)serialize to System.Binary.*
2. Rename compiler stubs.
3. Adjust opcode prices.
 2020-06-16 11:00:38 +03:00
Evgenii Stratonikov
4dfce07d11 vm: provide trigger upon VM creation 2020-06-11 13:16:07 +03:00
Evgenii Stratonikov
0dd00a49f5 core: specify require call flags in interop description 
Related #1026, #1027, #1028, #1031.
 2020-06-11 13:16:07 +03:00
Evgenii Stratonikov
bda94c74c3 vm: check calling flags on syscall invocation 2020-06-11 13:16:07 +03:00
Evgenii Stratonikov
55ab7535be core: optimize contractCallEx 
Provide script hash upon script load.
 2020-06-11 13:06:10 +03:00
Evgenii Stratonikov
5514b3f52f smartcontract,vm: remove DynamicInvoke feature 
It doesn't exist in NEO3.
 2020-06-11 10:45:25 +03:00
Evgenii Stratonikov
7256efd1ed vm: implement (*VM).AddGas 
Calculating interop prices can be tricky. It is more convenitent to burn
gas inside interops where necessary parameters are popped.
 2020-06-11 10:45:25 +03:00
Evgenii Stratonikov
0472a0b0b1 core: move Neo.Runtime/Enumerator/Iterator.* interops to System.* 2020-06-10 12:13:35 +03:00
Anna Shaleva
d0ccf456c4 vm: replace hardcoded Bool type constant with BooleanT type 
There's no import cycle problem anymore, so we can do this. Part of #912
 2020-06-08 13:27:13 +03:00
Anna Shaleva
7ca2807875 vm/encoding: move bigint from vm to encoding package 2020-06-08 13:27:13 +03:00
Anna Shaleva
783f5ecb01 vm: move StackItem to a separate package 
closes #912
 2020-06-08 13:27:08 +03:00
Roman Khimov
35b30ccfdf core: drop OLDPUSH1, it's no longer needed 
Fixes #927.
 2020-06-05 19:20:16 +03:00
Evgenii Stratonikov
d26758dd31 vm/tests: restore NEO3 JSON tests 
The only skipped RN are ROT.json (see #927) and MEMCPY.json (not a valid
JSON).
 2020-05-22 14:17:15 +03:00
Evgenii Stratonikov
673e6c84d1 vm/tests: preserve order when decoding Map item. 
When using Go's `map` for decoding, order can change from time to time,
while we may want to check it too. Use custom decoder for saving items
in order.
 2020-05-22 14:17:15 +03:00
Evgenii Stratonikov
9dca2288ba vm: make LEFT fail if count is too big 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
22791272bf vm/tests: compare static slot contents in JSON tests 
Make use of "staticFields" test field to compare vm static slots.
Also remove altStack because it is doesn't exist.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
16bf72f9cc vm/tests: do not load empty script 
In case we load a zero-length script, VM should end in HALT state.
https://github.com/neo-project/neo-vm/blob/master/tests/neo-vm.Tests/Tests/Others/OtherCases.json#L22
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
86c4f1abc5 vm: do not use State as a mask 
In NEO2 state could be used as a mask, but now it contains only a single
value.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
063c29636b vm: fail if NEWSTRUCT/NEWARRAY argument is not an integer 
NEO3 VM does not support creating new Array from a Struct.
For this purpose CONVERT opcode is used.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
1a0290edc6 vm: copy slice when converting between Array<->Struct 
Related #437. Becase in NEO3 NEWSTRUCT/NEWARRAY accept only an integer
change tests too.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
781def735d vm: use Null item as a default value for Array/Struct elements 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
f4fa712440 vm: make PUSH0 emit Integer 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
820b050b18 vm/tests: make test interop push non-nil InteropItem 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
a44acd25bb vm/tests: restore JSON tests parsing 
Make sure we support new test format. Tests itself will be restored
later.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
61b1722745 opcode: swap ROT and OLDPUSH1 
Because of how stringer generates String() method, the first of them
will be used as the result.
 2020-05-22 14:16:32 +03:00
Evgenii Stratonikov
646c247b31 vm/tests: unmarshal Map keys properly in JSON tests 2020-05-22 14:16:31 +03:00