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Code Pull requests Activity
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38 commits

Author SHA1 Message Date
Evgeniy Stratonikov
d255c4a517 vm: implement SQRT opcode 2021-03-01 16:58:53 +03:00
Evgeniy Stratonikov
6496782736 vm: implement POW opcode 2021-03-01 16:58:53 +03:00
Roman Khimov
b892db9976 vm: add instruction correctness check 
See neo-project/neo-vm#392.
 2021-02-09 22:31:26 +03:00
Evgeniy Stratonikov
324107b31e vm: implement POPITEM opcode 2021-01-19 09:46:01 +03:00
Roman Khimov
f39ede9869 opcode: add CALLT opcode, move ABORT/ASSERT 
Refs. #1644. Hash compatibility test temporarily disabled, to be enabled when
it's up to date with current C# master.
 2021-01-18 00:14:52 +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
Roman Khimov
35b30ccfdf core: drop OLDPUSH1, it's no longer needed 
Fixes #927.
 2020-06-05 19:20:16 +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
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
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
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
1d3fb3d6f5 vm: implement PUSHA/CALLA opcodes 2020-05-12 12:56:51 +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
9081211f12 vm: implement NOTEQUAL opcode 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
7e98a2ffa0 vm: implements CONVERT opcode 2020-04-28 16:38:52 +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
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
Roman Khimov
8d4dd2d2e1 vm: move opcodes into their own package 
This allows easier reuse of opcodes and in some cases allows to eliminate
dependencies on the whole vm package, like in compiler that only needs opcodes
and doesn't care about VM for any other purpose.

And yes, they're opcodes because an instruction is a whole thing with
operands, that's what context.Next() returns.
 2019-12-03 18:22:14 +03:00