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82 commits

Author SHA1 Message Date
Vsevolod Brekelov
f2805541cb vm: fix style and comments 2019-10-21 14:22:17 +03:00
Evgenii Stratonikov
6d7016c3b9 vm: restrict max size in SETITEM 2019-10-17 12:17:06 +03:00
Evgenii Stratonikov
6f1f9e56bb vm: restrict max size in PACK 2019-10-17 12:17:06 +03:00
Evgenii Stratonikov
2d56c66bde vm: restrict max size in APPEND 2019-10-17 12:17:01 +03:00
Evgenii Stratonikov
8abcaeee6f vm: restrict max size in NEWARRAY/NEWSTRUCT 2019-10-17 11:48:48 +03:00
Vsevolod Brekelov
591d5eafbe vm: add stepInto,stepOver,stepOut 
Original C# vm debugger behavior
 2019-10-14 18:37:11 +03:00
Roman Khimov
dca332f333 vm: use new Context.Next() to properly dump programs 
Fix #295, deduplicate code and add `inspect` parameter to the vm command to
dump AVMs (`contract inspect` works with Go code).
 2019-10-04 16:13:39 +03:00
Roman Khimov
53a3b18652 vm: completely separate instruction read and execution phases 
Make Context.Next() return both opcode and instruction parameter if any. This
simplifies some code and needed to deal with #295.
 2019-10-04 16:13:39 +03:00
Roman Khimov
d62a367900 vm: add Value() method to Element 
It gives access to the internal value's Value() which is essential for interop
functions that need to get something from InteropItems. And it also simplifies
some already existing code along the way.
 2019-10-04 16:13:39 +03:00
Roman Khimov
0c963875af vm: check for fault flag first in Run() 
Switch cases are evaluated sequentially and the fault case is top-priority to
handle.
 2019-10-04 16:13:39 +03:00
Roman Khimov
705c7f106f vm: don't panic if there is no result in PopResult() 
This function is intended to be ran outside of the execute's panic recovery
mechanism, so it shouldn't panic if there is no result.
 2019-10-04 16:13:39 +03:00
Roman Khimov
a357d99624 vm: introduce MaxArraySize constant 
This is both for #373 and for interop functions that have to check some
inputs.
 2019-10-04 16:13:39 +03:00
Roman Khimov
da2156f955 vm: add batched RegisterInteropFuncs 2019-10-04 16:13:39 +03:00
Roman Khimov
26e3b6abbe vm: extend interops to contain price 
The same way C# node does.
 2019-10-04 16:13:39 +03:00
Roman Khimov
ceca9cdb67 core/vm: implement contract storage and script retrieval 
Fixes script invocations via the APPCALL instruction. Adjust contract state
field types accordingly.
 2019-10-04 16:13:39 +03:00
Roman Khimov
c3591d8897 vm: fix CHECKMULTISIG to comply with NEO VM implementation 
Testing with testnet quickly revealed that our code has an issue when the key
count doesn't equal signature count, fix it and add some comments.
 2019-10-01 13:41:26 +03:00
Evgenii Stratonikov
c7c4291774 vm: simplify APPEND implementation a bit 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
13d7770c68 vm: support Map in ARRAYSIZE 
Also make logic the same as in reference implementation
and add tests.
 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
c66f493017 vm: compare Map by reference in EQUAL 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
c0be2b2a99 vm: support Map in REMOVE 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
8b6bddca3c vm: support Map in PICKITEM and SETITEM 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
d7bb50c609 vm: implement VALUES opcode 2019-09-25 17:53:36 +03:00
Evgenii Stratonikov
2da64267b0 vm: implement KEYS opcode 2019-09-25 17:53:34 +03:00
Evgenii Stratonikov
0fb4bb05cf vm: implement HASKEY opcode 2019-09-25 12:08:41 +03:00
Evgenii Stratonikov
df18da0ac9 vm: implement NEWMAP opcode 2019-09-24 17:06:17 +03:00
Roman Khimov
ca9c9be71f vm: add CHECKSIG/VERIFY/CHECKMULTISIG implementations 
Fix #269.
 2019-09-24 13:01:54 +03:00
Roman Khimov
3bbeb2476e vm: introduce HasFailed() method and use it where appropriate 
It's gonna be used by external modules.
 2019-09-23 20:19:07 +03:00
Evgenii Stratonikov
3c53beca82 vm: restrict SHL/SHR arguments to -256..256 
Also unify SHL/SHR implementation.
 2019-09-23 15:13:10 +03:00
Evgenii Stratonikov
4a8be486f0 vm: do not pop items in OVER 2019-09-23 14:54:59 +03:00
Evgenii Stratonikov
7cd69ea8e2 vm: truncate length in SUBSTR 
Also fail on first error, without changing the stack.
 2019-09-23 14:54:59 +03:00
Evgenii Stratonikov
a88a8e13fc vm: compare Array by reference in EQUAL 2019-09-23 13:25:59 +03:00
Evgenii Stratonikov
99f1d761ca vm: clone Struct on APPEND 2019-09-23 13:25:59 +03:00
Evgenii Stratonikov
d2ccc3b017 vm: make REVERSE consume an item from stack 2019-09-16 15:50:51 +03:00
Evgenii Stratonikov
f0426ac2d5 vm: do nothing if SHL/SHR by 0 2019-09-16 15:50:51 +03:00
Evgenii Stratonikov
9eca5ee317 vm: convert SIZE argument to bytearray 2019-09-16 15:50:51 +03:00
Evgenii Stratonikov
9780889239 vm: make NEWARRAY/NEWSTRUCT accept bytearray 2019-09-16 15:50:51 +03:00
Evgenii Stratonikov
09e197eaf3 vm: make PUSH0 create empty bytearray 
Also make tests expect []byte{} instead of 0.
 2019-09-16 15:50:51 +03:00
Evgenii Stratonikov
66501f9ef9 vm: make REMOVE consume array from stack 2019-09-16 15:50:14 +03:00
Evgenii Stratonikov
71cfd14b92 vm: create an array of false items in NEWARRAY/NEWSTRUCT 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
bafdb916a0 vm: make PICKITEM accept bytearrays 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
1881adabb9 vm: fail if NIP has not enough arguments 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
6e4014547d vm: fail if DROP has no argument 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
729b7a0b24 vm: fail if ROT has not enough arguments 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
cf7fbb80ba vm: fail if EQUAL has not enough arguments 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
d257044298 vm: fail if XTUCK argument is 0 2019-09-16 15:24:58 +03:00
Evgenii Stratonikov
68c6c93980 vm: do not allow APPEND to operate on bytearray 2019-09-11 17:17:37 +03:00
Evgenii Stratonikov
723dcc6e25 vm: make APPEND push no value on stack 2019-09-11 17:17:34 +03:00
Roman Khimov
8311bda355 vm: harden LEFT and RIGHT implementations against negative indexes 2019-09-11 14:51:04 +03:00
Roman Khimov
17f3a21e27 vm: harden SUBSTR implementation against bad index/offset values 
The upper index bound for slices is capacity, not length. Check for negative
values also. Fixes #387.
 2019-09-11 14:37:41 +03:00
Roman Khimov
fc1075bf75 vm: protect PUSHDATA from short reads 
Same thing done in a2a8981979 for PUSHBYTES,
failing to read the amount of bytes specified should lead to FAULT. Also
makes readUint16() and readUint32() panic as this is the behavior we want in
these cases. Add some tests along the way.
 2019-09-11 12:35:37 +03:00