TrueCloudLab/neoneo-go
7
0
Fork 2
Code Issues Pull requests Projects Releases Packages Wiki Activity
5852 commits 34 branches 134 tags 35 MiB
Commit graph

724 commits

Author SHA1 Message Date
Evgeniy Stratonikov
d04b000748 vm: remove iterator/enumerator Concat API 
Follow neo-project/neo#2170.
 2021-01-15 21:08:59 +03:00
Evgenii Stratonikov
1c0c331e25 core: update System.Contract.Call syscall 
1. Remove `System.Contract.CallEx`.
2. Extend number of parameters.
3. Add return value count to `VM.Context`.
 2021-01-14 18:23:36 +03:00
Evgenii Stratonikov
dbe81f9b80 smartcontract: move flags to a separate package 2021-01-14 17:52:09 +03:00
Evgenii Stratonikov
1d4d93b3eb vmcli: use manifest for method execution 2021-01-11 10:45:42 +03:00
Anna Shaleva
be3692136e vm: adjust default VM interops prices 
It might be not so important, because we use them only for VM-CLI, but
let's keep them equal to the standard interops prices.
 2020-12-29 11:11:56 +03:00
Evgenii Stratonikov
8c22d27acc state: allow to encode AppExecResult with recursive items 
1. Encode them to a special type, decode to `nil`.
2. `Interop` can be encoded in JSON, this info should also be preserved.
 2020-12-18 13:04:31 +03:00
Evgenii Stratonikov
18b331d765 stackitem: fix JSON encoding 
Encode both `Buffer` and `ByteString` to UTF-8 bytes.
Follow https://github.com/neo-project/neo/pull/1715 .
 2020-12-11 13:30:47 +03:00
Evgenii Stratonikov
e63191d31f core: hangle CallingScriptHash correctly 
When using native contracts, script hash of second-to-top context
on invocation stack does not always correspond to a real calling
contract.
 2020-12-10 16:52:36 +03:00
Evgenii Stratonikov
e903e40085 core: call from native contracts synchronously 
Follow neo-project/neo#2130.
 2020-12-10 16:43:46 +03:00
Evgenii Stratonikov
76a6ddc3a4 vmcli/test: run shell after providing input 
In some cases, `Run()` can read from input before we have written
anything to it.
 2020-12-10 13:35:52 +03:00
Evgenii Stratonikov
e4ee7cd407 vm: improve coverage for default interops 2020-12-02 15:54:03 +03:00
Evgenii Stratonikov
33f13ab1c0 vmcli: add tests 2020-12-02 10:49:37 +03:00
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
Evgenii Stratonikov
128a99dec2 vm/tests: unmarshal action in JSON tests properly 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
7ddb23abe3 vm/tests: unmarshal stack items in JSON tests properly 
New item types were added in NEO3 and they can be capitalized or not.
 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
e71cc04c70 vm/tests: unmarshal VM state in JSON tests properly 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
0c7b163280 vm/tests: unmarshal script in JSON tests properly 
Script is no specified via stringified opcodes and their arguments.
 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
1100f629df opcode: implement FromString() 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
e53055a560 opcode: use underscored names in String() 2020-05-22 13:36:11 +03:00
Evgenii Stratonikov
3917b4b4e4 vm: update stack size in SETITEM properly 2020-05-21 18:00:51 +03:00
Anna Shaleva
7acf5b2841 core: add SystemFee and NetworkFee to transaction 
closes #831
 2020-05-20 23:26:48 +03:00
Evgenii Stratonikov
98c508d361 vm: implement MEMCPY opcode 
MEMCPY copies byte-slice to a destination buffer.
 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
a5f6e0e53d vm: implement NEWBUFFER opcode 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
a3a3a77431 vm: make slice opcodes emit Buffer 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
c3f7832f3b vm: implement Buffer stack item 
Buffer is a stack item type introduced in NEO3
which represents mutable byte-array.
 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
ee9adcdc5c vm: check ByteArray size before converting to Integer 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
8f5f6fba07 vm: copy slice in (*ByteArrayItem).TryBytes() 2020-05-20 17:45:56 +03:00
Evgenii Stratonikov
0cb6dc47e4 vm: implement slot-related opcodes 
1. Slot is a new mechanism for storing variables during execution
which is more convenient than alt.stack. This commit implements
support for slot opcodes in both vm and compiler.
2. Remove old alt.stack opcodes.
3. Do not process globals at the start of every function, but instead
load them single time at main.
 2020-05-12 16:23:08 +03:00
Evgenii Stratonikov
a6271f6bf2 vm: reorder splice opcodes 2020-05-12 16:15:35 +03:00
Evgenii Stratonikov
2cec088f08 vm: add reference counter to slots 2020-05-12 16:15:14 +03:00
Evgenii Stratonikov
af2abedd86 vm: implement reference counter 
It is convenient to have all reference-counting logic
in a separate struct.
 2020-05-12 16:15:14 +03:00
Evgenii Stratonikov
81cbf183af vm: implement storage slots 2020-05-12 16:15:14 +03:00
Evgenii Stratonikov
1d3fb3d6f5 vm: implement PUSHA/CALLA opcodes 2020-05-12 12:56:51 +03:00
Evgenii Stratonikov
7fcd537b09 vm: implement Pointer stack item 
Pointer is a generic address type in VM.
It is used for calling lambda-expressions.
 2020-05-12 12:55:31 +03:00
Evgenii Stratonikov
c0147c76ac emit: remove tailCall argument from AppCall 
There is no TAILCALL opcode in NEO3.
 2020-05-07 14:59:01 +03:00
Evgenii Stratonikov
73c82584a3 vm,compiler: replace APPCALL with System.Contract.Call 
Contract calls are performed via syscall System.Contract.Call
in NEO3. This implements this in compiler and removes APPCALL from the
VM.
 2020-05-07 14:52:03 +03:00
Evgenii Stratonikov
f9f3192b48 vm: move RET and SYSCALL opcodes 2020-05-07 13:23:05 +03:00
Evgenii Stratonikov
977c431bf1 vm: implement ASSERT/ABORT opcodes 
Rename THROWIFNOT to ASSERT, add ABORT opcode.
ABORT cannot be caught, but the implementation should be postponed until
exception handling is implemented.
 2020-05-06 15:54:19 +03:00
Evgenii Stratonikov
dd20320615 vm: remove XSWAP/XTUCK opcodes 
Regenerate RPC testchain as these were used in compiler.
 2020-05-06 13:05:22 +03:00
Evgenii Stratonikov
d18199ce42 vm: implement REVERSE* opcodes 
Use new opcodes in the compiler instead of XSWAP/ROLL.
 2020-05-06 13:03:49 +03:00
Evgenii Stratonikov
c8a1188ee1 vm: implement CLEAR opcode 2020-05-06 13:02:57 +03:00
Evgenii Stratonikov
525527f750 vm: reorder stack opcodes 
Leave *ALTSTACK opcodes for now as they are needed in compiler while
slot opcodes are not yet here.
 2020-05-06 13:02:14 +03:00
Evgenii Stratonikov
115919aaf7 vm: process OLDPUSH1 at the context level 
The only usecase for this opcode is single-byte verification scripts.
 2020-05-06 13:00:00 +03:00
Anna Shaleva
5ece9922c1 vm: hide GetContextScriptHash() method 
After adding ScriptHashGetter interface to vm, there's no need in
GetContextScriptHash() to be exported.
 2020-05-04 11:53:31 +03:00
Anna Shaleva
73167999cc core: add cosigners field to transaction 
closes #864
 2020-05-04 11:53:31 +03:00
Anna Shaleva
9ecac14aee vm: fix bug in GetContextScriptHash() 
v.Istack.Peek(n) can return nil pointer, so .Value() on this pointer
leads to panic here. Fixed by adding nil check.
 2020-05-04 11:49:14 +03:00
Evgenii Stratonikov
c8328981ec vm: refactor tests 
Most of the tests follow the same logic:
push items on stack -> execute program -> check single result.
This commit reuses this function in most of the tests.
 2020-04-30 19:29:52 +03:00
Evgenii Stratonikov
9081211f12 vm: implement NOTEQUAL opcode 2020-04-30 18:00:15 +03:00
Evgenii Stratonikov
70f0c656b0 vm: check Integer size on creation 2020-04-30 18:00:15 +03:00
Evgenii Stratonikov
a64a0f2681 vm: reorder arithmetic opcodes 2020-04-30 18:00:15 +03:00
Evgenii Stratonikov
519b31a704 vm: remove crypto-related opcodes 
All cryptography has moved to interops in NEO3.
There is no SHA256 interop RN, but it is to appear later.
Closes #777.
 2020-04-29 19:16:38 +03:00
Evgenii Stratonikov
4b064e18aa emit: converto to Boolean in Bool() 2020-04-28 17:36:58 +03:00
Evgenii Stratonikov
7e98a2ffa0 vm: implements CONVERT opcode 2020-04-28 16:38:52 +03:00
Evgenii Stratonikov
be38798785 vm: move Bool method to the StackItem interface 2020-04-28 15:13:41 +03:00
Evgenii Stratonikov
dca257f584 vm: move ISNULL opcode 
Change it according to NEO3-preview2.
 2020-04-27 16:09:03 +03:00
Evgenii Stratonikov
7c3d7c0261 vm: implement NEWARRAYT opcode 2020-04-27 09:06:48 +03:00
Evgenii Stratonikov
d3b9aef8e2 vm: implement ISTYPE opcode 
Also make StackItemType public and reorder it according to NEO3.
 2020-04-27 09:01:26 +03:00
Evgenii Stratonikov
48a41bd737 vm: implement CLEARITEMS opcode 2020-04-27 09:01:26 +03:00
Evgenii Stratonikov
9fd04aefa5 vm: implement NEWARRAY0 and NEWSTRUCT0 opcodes 2020-04-24 13:49:10 +03:00
Evgenii Stratonikov
03761421f8 vm: reorder Array/Map opcodes 
Also SIZE can be used for both Arrays/Maps and ByteArrays.
 2020-04-24 13:48:44 +03:00
Evgenii Stratonikov
d6624a92ca vm: implement new JMP* and CALL* opcodes 
In compiler JMP*_L opcodes are always used, as this requires less effort.
 2020-04-24 10:16:41 +03:00
Evgenii Stratonikov
fba185cd99 vm: remove stack isolation opcodes 
They are not present in NEO3 and will be creating additional difficulties
during future flow-control opcodes implementation.
 2020-04-24 10:15:14 +03:00
Evgenii Stratonikov
008e6eb233 vm: implement new PUSH opcodes 2020-04-23 10:52:28 +03:00
Evgenii Stratonikov
1a54be279e vm: simplify SimpleCall test 
It was taken from the compiler output, but there is
no need in using a lot of complex instructions.
 2020-04-23 10:36:44 +03:00
Evgenii Stratonikov
cde4ccf01c vm: remove CHECKSIG/VERIFY/CHECKMULTISIG opcodes 2020-04-20 11:55:24 +03:00
Evgenii Stratonikov
4740d937aa vm: dont use SetCheckedHash outside of vm package 2020-04-20 11:55:24 +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
Roman Khimov
91f8626c42 vm: disallow negative shifts for SHL/SHR 
Follow neo-project/neo-vm#257 change for Neo 3.
 2020-04-19 19:15:00 +03:00
Evgenii Stratonikov
ceff8736f2 vm: use ID-based syscalls 
In NEO3 SYSCALL opcode has 4-byte ID parameter.
This commit removes support for string-based syscalls and
changes SYSCALL's parameter to be fixed 4-byte value.
 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
bfbbef952a vm: move InteropNameToID to emit package 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
93d2a3e031 vm: serialize zero Integer to an empty ByteArray 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
5dba30a49d vm: update bool -> []byte conversion to NEO 3 
This reverts commit 4c688355bc.
 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
2fd26287c5 vm: update SUBSTR to NEO3 version 
This reverts commit 9ebb793009.
 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
f5933c83c6 vm: update json tests to neo3 branch 
Skip them until all opcodes will be implemented.
 2020-04-17 11:46:31 +03:00
Evgenii Stratonikov
3831aec53f vm: make NewBigInteger accept *big.Int 
It creates big.Int internally anyway, so this is the most flexible way.
 2020-04-16 15:54:58 +03:00
Evgenii Stratonikov
b446753c57 core,vm: move get/putContextScriptHash to vm package 2020-04-16 15:54:52 +03:00
Evgenii Stratonikov
be407332b9 vm: add TryInteger() to StackItem interface 
Conversion should be done in a StackItem, not in an Element.
 2020-04-16 14:05:32 +03:00
Evgenii Stratonikov
948729137f vm: remove HASH160/HASH256 opcodes 2020-04-13 13:47:39 +03:00
Evgenii Stratonikov
c23af595c9 core: implement Neo.Crypto.ECDsaCheckMultisig interop 2020-04-13 13:47:39 +03:00
Evgenii Stratonikov
1611ede58c crypto/keys: implement NewPublicKeyFromBytes() 
It is convenient to have a single function instead of
allocating new `PublicKey` and using `DecodeBytes()` on it.
 2020-04-13 13:13:15 +03:00
Roman Khimov
5a22651e36
Merge pull request #784 from nspcc-dev/neo3/null 
vm: support NULL stack item
 2020-04-10 10:38:17 +03:00
Anna Shaleva
9f0bc2aaf5 vm: add tests to CALL* instructions 
closes #452
 2020-04-09 11:20:39 +03:00
Anna Shaleva
495c1b0565 vm: add tests for missing bit and numeric operations 
Added tests for:
  - bit operatoins: AND, OR, XOR
  - numeric operations: BOOLOR, MIN, MAX, WITHIN, NEGATE
 2020-04-07 18:10:31 +03:00
Evgenii Stratonikov
96806262bf vm: handle negative arguments in SHL/SHR 
Do it as in reference implementation: a >> -b == a << b.
 2020-04-06 10:46:35 +03:00
Evgenii Stratonikov
0023c4f1f6 vm: use truncated division in MOD 
Mimic C#'s `%` behavior.
Related 4b44190 (#773).
 2020-04-06 09:30:48 +03:00
Evgenii Stratonikov
f7f48d0048 vm: implement ISNULL opcode 2020-04-02 14:15:17 +03:00
Evgenii Stratonikov
3db030bbb6 vm: implement PUSHNULL opcode 2020-04-02 14:15:17 +03:00
Evgenii Stratonikov
e50b529631 vm: implement Null item 2020-04-02 14:15:17 +03:00
Roman Khimov
2d0ad30fcf vm: rework Map with internal slice representation 
Which makes iterating over map stable which is important for serialization and
and even fixes occasional test failures. We use the same ordering here as
NEO 3.0 uses, but it should also be fine for NEO 2.0 because it has no
defined order.
 2020-04-01 19:33:53 +03:00
Roman Khimov
3dbe549a61 smartcontract: store MapType Parameter as a slice of KV pairs 
Fixes #809.

Basically, there are three alternative approaches to fixing it:
 * allowing both []byte and string for ByteArrayType value
   minimal invasion into existing code, but ugly as hell and will probably
   backfire at some point
 * storing string values in ByteArrayType
   incurs quite a number of type conversions (and associated data copying),
   though note that these values are not changed usually, so dynamic
   properties of []byte are almost irrelevant here
 * storing only []byte values in ByteArrayType
   makes it impossible to use them as map keys which can be solved in several
   ways:
   - via an interface (Marshalable)
     which is good, but makes testing and comparing values in general harder,
     because of keys mismatch
   - using serialized Parameter as a key (in a string)
     which will need some additional marshaling/unmarshaling
   - converting MapType from map to a slice of key-value pairs
     not a bad idea as we don't use this map as a map really, the type
     itself is all about input/output for real VM types and this approach is
     also a bit closer to JSON representation of the Map
 2020-04-01 19:21:00 +03:00
Anna Shaleva
a8fa9c9244 vm: add tests to stack_item.go 
closes #199
 2020-03-31 17:18:13 +03:00
Roman Khimov
0d482ceb7f
Merge pull request #808 from nspcc-dev/fix-map-serialization 
vm: make map serialization more compatible with C#
 2020-03-29 13:40:52 +03:00
Roman Khimov
665bf78d11 vm: make map serialization more compatible with C# 
C# pushes value and key to the stack of non-serialized items, so key gets
serialized first followed by value. Fixes #806.

Notice though that neither IDictionary in C#, nor map in Go have elements
ordered, so we can easily get a difference in KV pairs order and it would be
impossible to fix.
 2020-03-28 17:25:42 +03:00
Evgenii Stratonikov
db2dccf7cb emit: implement AppCallWithOperationAndArgs 
It is nice to have a typical task of calling contract method
with specific arguments incapsulated inside some function.
 2020-03-27 11:05:36 +03:00
Evgenii Stratonikov
4522eed1bb vm: fix offset for CALLI opcode 
It is different from other JMP* and +2 should be added to the parameter.
 2020-03-26 13:09:55 +03:00
Evgenii Stratonikov
dc8fb13021 vm: make NewBigInteger accept int64 
It is more correct upconvert to int64 if needed,
so precision is never lost.
 2020-03-24 11:10:56 +03:00
Roman Khimov
5148b98f43
Merge pull request #773 from nspcc-dev/fix/bigint 
vm: use truncated division for Integers
 2020-03-23 18:01:21 +03:00
Evgenii Stratonikov
954e8cdcf1 vm: allow to push integer-like items to stack 
Perform automatic conversion of non-standard integer types to
int64 if possible.

Closes #776.
 2020-03-18 12:58:31 +03:00
Evgenii Stratonikov
4b44190485 vm: use truncated division for Integers 
When divisor is negative, the result is truncated towards
zero.
 2020-03-17 15:45:56 +03:00
Roman Khimov
1b5dd53e07
Merge pull request #746 from nspcc-dev/fix/equal 
vm: implement EQUAL opcode properly

Fixes #745, #749.
 2020-03-12 11:46:51 +03:00
Evgenii Stratonikov
dfc59129c7 vm: implement EQUAL opcode properly 
When comparing elements of different types, conversions
should be performed. This commit implement custom equality
predicate for each stack item type.
 2020-03-11 17:19:10 +03:00