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Author SHA1 Message Date
Anna Shaleva
7fc57c9d58 core: allow transfer 0 GAS/NEO with zero balance 
This commit fixes states diff at 131795 block of mainnet.

Transaction:
```
NEO-GO-VM > loadbase64 DAAQDBSPsxdYh6cITC3gUKI4oWmYxJs49gwUj7MXWIenCEwt4FCiOKFpmMSbOPYUwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQwAEQwUj7MXWIenCEwt4FCiOKFpmMSbOPYMFL1Mb4Fqp6gHiEwzM6xSc8fLS+RpFMAfDAh0cmFuc2ZlcgwU9WPqQLwoPU0OBcSOowWz8qBzQO9BYn1bUjk=
READY: loaded 176 instructions
NEO-GO-VM 0 > ops
INDEX    OPCODE       PARAMETER
0        PUSHDATA1     ("")                                       <<
2        PUSH0
3        PUSHDATA1    8fb3175887a7084c2de050a238a16998c49b38f6
25       PUSHDATA1    8fb3175887a7084c2de050a238a16998c49b38f6
47       PUSH4
48       PACK
49       PUSH15
50       PUSHDATA1    7472616e73666572 ("transfer")
60       PUSHDATA1    f563ea40bc283d4d0e05c48ea305b3f2a07340ef    // NEO token
82       SYSCALL      System.Contract.Call (627d5b52)
87       ASSERT
88       PUSHDATA1     ("")
90       PUSH1
91       PUSHDATA1    8fb3175887a7084c2de050a238a16998c49b38f6
113      PUSHDATA1    bd4c6f816aa7a807884c3333ac5273c7cb4be469
135      PUSH4
136      PACK
137      PUSH15
138      PUSHDATA1    7472616e73666572 ("transfer")
148      PUSHDATA1    f563ea40bc283d4d0e05c48ea305b3f2a07340ef    // NEO token
170      SYSCALL      System.Contract.Call (627d5b52)
175      ASSERT

```

Go's applog:
```
{
   "id" : 1,
   "result" : {
      "txid" : "0x97d2ccb01467b22c73a2cb95f7af298f3a5bd8c849d7044371898b8efecdaabd",
      "executions" : [
         {
            "exception" : "at instruction 87 (ASSERT): ASSERT failed",
            "stack" : [],
            "gasconsumed" : "4988995",
            "notifications" : [],
            "trigger" : "Application",
            "vmstate" : "FAULT"
         }
      ]
   },
   "jsonrpc" : "2.0"
}
```

C#'s applog:
```
{
   "jsonrpc" : "2.0",
   "result" : {
      "executions" : [
         {
            "stack" : [],
            "notifications" : [
               {
                  "contract" : "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5",
                  "state" : {
                     "type" : "Array",
                     "value" : [
                        {
                           "type" : "ByteString",
                           "value" : "j7MXWIenCEwt4FCiOKFpmMSbOPY="
                        },
                        {
                           "type" : "ByteString",
                           "value" : "j7MXWIenCEwt4FCiOKFpmMSbOPY="
                        },
                        {
                           "value" : "0",
                           "type" : "Integer"
                        }
                     ]
                  },
                  "eventname" : "Transfer"
               },
               {
                  "contract" : "0xd2a4cff31913016155e38e474a2c06d08be276cf",
                  "state" : {
                     "value" : [
                        {
                           "type" : "Any"
                        },
                        {
                           "type" : "ByteString",
                           "value" : "vUxvgWqnqAeITDMzrFJzx8tL5Gk="
                        },
                        {
                           "value" : "2490",
                           "type" : "Integer"
                        }
                     ],
                     "type" : "Array"
                  },
                  "eventname" : "Transfer"
               },
               {
                  "contract" : "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5",
                  "state" : {
                     "value" : [
                        {
                           "value" : "vUxvgWqnqAeITDMzrFJzx8tL5Gk=",
                           "type" : "ByteString"
                        },
                        {
                           "value" : "j7MXWIenCEwt4FCiOKFpmMSbOPY=",
                           "type" : "ByteString"
                        },
                        {
                           "value" : "1",
                           "type" : "Integer"
                        }
                     ],
                     "type" : "Array"
                  },
                  "eventname" : "Transfer"
               }
            ],
            "vmstate" : "HALT",
            "gasconsumed" : "9977990",
            "trigger" : "Application",
            "exception" : null
         }
      ],
      "txid" : "0x97d2ccb01467b22c73a2cb95f7af298f3a5bd8c849d7044371898b8efecdaabd"
   },
   "id" : 1
}

```
 2021-09-10 17:18:09 +03:00
Roman Khimov
aaccf748ac nft-nd-nns: add getAllRecords method 
See neo-project/non-native-contracts#5.
 2021-09-10 16:30:45 +03:00
Roman Khimov
c4637514d4
Merge pull request #2165 from nspcc-dev/rpc/audit 
rpc: request handlers audit
 2021-09-10 13:16:40 +03:00
Anna Shaleva
b989fdb462 rpc: fill transaction witnesses during invokescript handling 2021-09-10 11:38:59 +03:00
Anna Shaleva
61fd7bd6ba core: avoid nil values during natives manifest marshalling 2021-09-10 11:38:59 +03:00
Anna Shaleva
61faf28738 rpc: avoid null unverified transactions in getrawmempool response 2021-09-10 11:38:59 +03:00
Anna Shaleva
ed9cdfe667 rpc: use core Header for getblockheader response 
Nonce and Primary fields were missing from response.
 2021-09-09 18:47:22 +03:00
Anna Shaleva
db13362e86 core: marshal Block.Nonce in upper-case hex 2021-09-09 15:52:51 +03:00
Anna Shaleva
3b04b6d238 vm: refactor stack dump commands 2021-09-09 13:45:10 +03:00
Anna Shaleva
6da458365d vm CLI: allow to dump slots 2021-09-09 13:45:10 +03:00
Roman Khimov
b502c5f148
Merge pull request #2162 from nspcc-dev/docs/update 
docs: minor documentation updates and adjustments
 2021-09-09 12:38:20 +03:00
Anna Shaleva
2f23d83a49 interop: adjust documentation 2021-09-08 17:53:09 +03:00
Anna Shaleva
df8141ff7d rpc: adjust client documentation 2021-09-08 17:53:09 +03:00
Anna Shaleva
913e3878c5 vm CLI: check whether VM is ready before jumping to the instruction 
It allows to avoid panic:
```
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0xdab469]

goroutine 1 [running]:
github.com/nspcc-dev/neo-go/pkg/vm.(*VM).Jump(...)
	github.com/nspcc-dev/neo-go/pkg/vm/vm.go:1506
github.com/nspcc-dev/neo-go/pkg/vm/cli.handleRun(0xc0005988f0)
	github.com/nspcc-dev/neo-go/pkg/vm/cli/cli.go:413 +0x2e9
github.com/abiosoft/ishell/v2.(*Shell).handleCommand(0xc0004320f0, {0xc00032c7c0, 0xc0002a3920, 0x0})
	github.com/abiosoft/ishell/v2@v2.0.2/ishell.go:279 +0x143
github.com/abiosoft/ishell/v2.handleInput(0xc0004320f0, {0xc00032c7c0, 0x3, 0x4})
	github.com/abiosoft/ishell/v2@v2.0.2/ishell.go:233 +0x31
github.com/abiosoft/ishell/v2.(*Shell).run(0xc0004320f0)
	github.com/abiosoft/ishell/v2@v2.0.2/ishell.go:212 +0x30f
github.com/abiosoft/ishell/v2.(*Shell).Run(0xc0004320f0)
	github.com/abiosoft/ishell/v2@v2.0.2/ishell.go:112 +0x28
github.com/nspcc-dev/neo-go/pkg/vm/cli.(*VMCLI).Run(0xc000224030)
	github.com/nspcc-dev/neo-go/pkg/vm/cli/cli.go:538 +0x39
github.com/nspcc-dev/neo-go/cli/vm.startVMPrompt(0xc0001f46e0)
	github.com/nspcc-dev/neo-go/cli/vm/vm.go:28 +0xb4
github.com/urfave/cli.HandleAction({0xe65fa0, 0x1161c68}, 0x2)
	github.com/urfave/cli@v1.22.5/app.go:524 +0xa8
github.com/urfave/cli.Command.Run({{0xfed435, 0x2}, {0x0, 0x0}, {0x0, 0x0, 0x0}, {0x100576d, 0x19}, {0x0, ...}, ...}, ...)
	github.com/urfave/cli@v1.22.5/command.go:173 +0x652
github.com/urfave/cli.(*App).Run(0xc0001016c0, {0xc0000c6000, 0x2, 0x2})
	github.com/urfave/cli@v1.22.5/app.go:277 +0x705
main.main()
	./main.go:19 +0x33
```
 2021-09-08 17:53:09 +03:00
Anna Shaleva
cbc75afd4d docs: refactor documentation 
CLI:
* Typos are fixed
* Documentation on NEP-11 tokens is added
* NeoGo node configuration is moved to a separate file

Compiler:
* Typos and indentations are fixed
* Ops dump example is updated

Consensus:
* Typos are fixed
* Links are fixed

Notifications:
* Minor adjustments

RPC:
* `getversion` response is updated
* `getunclamedgas` comment is removed (not valid since
https://github.com/neo-project/neo-modules/pull/243)

VM:
* Update help message
* `load*` command adjustments
* `astack` command removal
 2021-09-08 17:52:46 +03:00
Anna Shaleva
0fa48691f7 network: do not duplicate MPT nodes in GetMPTNodes response 
Also tests are added.
 2021-09-08 14:25:54 +03:00
Anna Shaleva
51c8c0d82b core: add tests for StateSync module 2021-09-07 19:43:27 +03:00
Anna Shaleva
0aedfd0038 core: fix bug in MPT pool during Update 
We need to copy the result of `TryGet` method, otherwice the slice can
be modified inside `Add` or `Update` methods, which leads to
inconsistent MPT pool state.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
36808b8904 core: clone MPT node while restoring it multiple times 
We need this to avoid collapse collisions. Example of such collapse
described in
https://github.com/nspcc-dev/neo-go/pull/2019#discussion_r689629704.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
5cd78c31af core: allow to recover after state jump interruption 
We need several stages to manage state jump process in order not to mess
up old and new contract storage items and to be sure about genesis state data
are properly removed from the storage. Other operations do not require
separate stage and can be performed each time `jumpToStateInternal` is
called.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
5cda24b3af core: initialize headers before current block 2021-09-07 19:43:27 +03:00
Anna Shaleva
0e0b55350a core: convert (*Blockchain).JumpToState to a callback 
We don't need this method to be exposed, the only its user is the
StateSync module. At the same time StateSync module manages its state by
itself which guarantees that (*Blockchain).jumpToState will be called
with proper StateSync stage.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
6381173293 core: store statesync-related storage items under temp prefix 
State jump should be an atomic operation, we can't modify contract
storage items state on-the-fly. Thus, store fresh items under temp
prefix and replase the outdated ones after state sync is completed.
Related
https://github.com/nspcc-dev/neo-go/pull/2019#discussion_r693350460.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
51f405471e core: remove outdated blocks/txs/AERs/MPT nodes during state sync 
Before state sync process can be started, outdated MPT nodes
should be removed from storage. After state sync is completed,
outdated blocks/transactions/AERs should also be removed.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
a276a85b72 core: unify code of state sync module initialization 2021-09-07 19:43:27 +03:00
Anna Shaleva
3b7807e897 network: request unknown MPT nodes 
In this commit:

1. Request unknown MPT nodes from peers. Note, that StateSync module itself
shouldn't be responsible for nodes requests, that's a server duty.
2. Do not request the same node twice, check if it is in storage
already. If so, then the only thing remaining is to update refcounter.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
6a04880b49 core: collapse completed parts of Billet 
Some kind of marker is needed to check whether node has been collapsed
or not. So introduce (HashNode).Collapsed
 2021-09-07 19:43:27 +03:00
Anna Shaleva
74f1848d19 core: adjust LastUpdatedBlock calculation for NEP17 balances 
...wrt P2PStateExchange setting.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
d67ff30704 core: implement statesync module 
And support GetMPTData and MPTData P2P commands.
 2021-09-07 19:43:27 +03:00
Anna Shaleva
a22b1caa3e core: implement MPT Billet structure for MPT restore 
MPT restore process is much simpler then regular MPT maintaining: trie
has a fixed structure, we don't need to remove or rebuild MPT nodes. The
only thing we should do is to replace Hash nodes to their unhashed
counterparts and increment refcount. It's better not to touch the
regular MPT code and create a separate structure for this.
 2021-09-07 19:43:27 +03:00
Roman Khimov
c9e62769a6
Merge pull request #2143 from nspcc-dev/mpt/add_empty_values 
core: allow empty MPT Leaf values
 2021-09-07 09:18:48 +03:00
Anna Shaleva
c95f2079d5 core: adjust comments on behaviour defferences for MPT TestCompatibility 
C# node does not return empty proof enymore in case if path is bad. C#
node also throws an exception on bad Put.

Our node does not return an error on delete if the key is empty.
 2021-09-03 13:46:52 +03:00
Anna Shaleva
f721384ead core: allow empty MPT Leaf values 
Allow it for (*Trie).Put. And distinguish empty value and nil value for
(*Trie).PutBatch, because batch is already capable of handling both nil
and empty value. For (*Trie).PutBatch putting nil value means deletion,
while putting empty value means just putting LeafNode with an empty
value.
 2021-09-03 13:46:48 +03:00
Evgeniy Stratonikov
7371593bdc native/policy: disallow blocking native contracts 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-09-03 11:11:06 +03:00
Evgeniy Stratonikov
9d34547118 rpc/client: add MaxConnsPerHost option, fix #2149 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-09-02 11:26:17 +03:00
Roman Khimov
b07347e602 core: reuse PushItem for interops 
Probably less critical here, but still let's push things faster.
 2021-08-30 23:43:58 +03:00
Roman Khimov
a3892aa662 vm: don't use PushVal when item type is known 
PushVal is very convenient, but type switch is somewhat expensive.

name                    old time/op    new time/op    delta
ScriptFibonacci-8          736µs ± 1%     602µs ± 1%  -18.21%  (p=0.000 n=9+10)
ScriptNestedRefCount-8    1.08ms ± 2%    0.96ms ± 1%  -11.13%  (p=0.000 n=10+10)
ScriptPushPop/4-8         1.48µs ± 3%    1.35µs ± 2%   -9.14%  (p=0.000 n=10+9)
ScriptPushPop/16-8        3.59µs ± 1%    3.38µs ± 1%   -6.01%  (p=0.000 n=10+10)
ScriptPushPop/128-8       23.7µs ± 1%    22.6µs ± 1%   -4.39%  (p=0.000 n=10+8)
ScriptPushPop/1024-8       176µs ± 2%     167µs ± 3%   -5.24%  (p=0.000 n=9+10)

name                    old alloc/op   new alloc/op   delta
ScriptFibonacci-8          123kB ± 0%     114kB ± 0%   -6.88%  (p=0.000 n=10+9)
ScriptNestedRefCount-8     266kB ± 0%     241kB ± 0%   -9.23%  (p=0.000 n=8+10)
ScriptPushPop/4-8           160B ± 0%      160B ± 0%     ~     (all equal)
ScriptPushPop/16-8          640B ± 0%      640B ± 0%     ~     (all equal)
ScriptPushPop/128-8       8.70kB ± 0%    8.70kB ± 0%     ~     (all equal)
ScriptPushPop/1024-8      73.2kB ± 0%    73.2kB ± 0%     ~     (all equal)

name                    old allocs/op  new allocs/op  delta
ScriptFibonacci-8          3.53k ± 0%     3.17k ± 0%   -9.98%  (p=0.000 n=10+10)
ScriptNestedRefCount-8     11.8k ± 0%     10.7k ± 0%   -8.70%  (p=0.000 n=10+10)
ScriptPushPop/4-8           8.00 ± 0%      8.00 ± 0%     ~     (all equal)
ScriptPushPop/16-8          32.0 ± 0%      32.0 ± 0%     ~     (all equal)
ScriptPushPop/128-8          259 ± 0%       259 ± 0%     ~     (all equal)
ScriptPushPop/1024-8       2.05k ± 0%     2.05k ± 0%     ~     (all equal)
 2021-08-30 23:43:58 +03:00
Roman Khimov
bc31c97c32 vm: simplify access to context, don't call Context() twice 
Avoid going through Value(), avoid doing type casts twice for every
instruction.

name                    old time/op    new time/op    delta
ScriptFibonacci-8          793µs ± 3%     736µs ± 1%  -7.18%  (p=0.000 n=10+9)
ScriptNestedRefCount-8    1.09ms ± 1%    1.08ms ± 2%  -0.96%  (p=0.035 n=10+10)
ScriptPushPop/4-8         1.51µs ± 3%    1.48µs ± 3%    ~     (p=0.072 n=10+10)
ScriptPushPop/16-8        3.76µs ± 1%    3.59µs ± 1%  -4.56%  (p=0.000 n=10+10)
ScriptPushPop/128-8       25.0µs ± 1%    23.7µs ± 1%  -5.28%  (p=0.000 n=10+10)
ScriptPushPop/1024-8       184µs ± 1%     176µs ± 2%  -4.22%  (p=0.000 n=9+9)
 2021-08-30 23:43:58 +03:00
Roman Khimov
e09a0f3969 vm: don't allocate for break points in NewContext 
They're rarely used and when they're used they're appended to.
 2021-08-29 13:15:12 +03:00
Roman Khimov
7b9558d756
Merge pull request #2142 from nspcc-dev/fix-customgroups-witness-scope 
runtime: fix CustomGroups witness
 2021-08-26 18:13:08 +03:00
Roman Khimov
734eef3290
Merge pull request #2147 from nspcc-dev/drop-go-1.14 
Drop Go 1.14, use 1.17
 2021-08-26 17:59:21 +03:00
Roman Khimov
932a57e1e4 keys: reuse coordLen where appropriate 2021-08-26 17:30:04 +03:00
Roman Khimov
6d074a96e9 *: make tests use TempDir(), fix #1319 
Simplify things, drop TempFile at the same time (refs. #1764)
 2021-08-26 17:29:40 +03:00
Roman Khimov
40c6c065d2
Merge pull request #2140 from nspcc-dev/vm-optimize-stack 
Optimize VM stack
 2021-08-26 10:31:31 +03:00
Roman Khimov
f4ba21a41a keys: use (*Int).FillBytes where appropriate 
Allows to avoid some allocations. Refs. #1319.
 2021-08-25 22:35:39 +03:00
Roman Khimov
76eca07961 keys: simplify NewPrivateKeyFrom* functions 
Avoid allocating a slice and doing double calculations.
 2021-08-25 22:35:39 +03:00
Roman Khimov
61ea42c570 keys: simplify end of buffer check 2021-08-25 22:35:39 +03:00
Roman Khimov
4803cc15c7 keys: add (*PublicKey).DecodeBytes benchmark 
Attempts to reuse elliptic.Unmarshal() and elliptic.UnmarshalCompressed() lead
to this:
name                 old time/op    new time/op    delta
PublicDecodeBytes-8    59.5µs ± 2%    61.8µs ± 1%  +3.78%  (p=0.000 n=10+9)

name                 old alloc/op   new alloc/op   delta
PublicDecodeBytes-8    3.99kB ± 0%    4.27kB ± 0%  +6.81%  (p=0.000 n=9+10)

name                 old allocs/op  new allocs/op  delta
PublicDecodeBytes-8       136 ± 0%       135 ± 0%  -0.74%  (p=0.000 n=10+10)

So it makes no sense. Refs. #1319.
 2021-08-25 22:35:39 +03:00
Roman Khimov
a1d96a7d7d keys: use elliptic package marshalling functions, #1319 
name                       old time/op    new time/op    delta
PublicBytes-8                81.4ns ± 6%    71.2ns ± 8%  -12.56%  (p=0.000 n=10+10)
PublicUncompressedBytes-8    93.2ns ±17%    72.5ns ±14%  -22.25%  (p=0.000 n=10+10)

name                       old alloc/op   new alloc/op   delta
PublicBytes-8                 80.0B ± 0%     48.0B ± 0%  -40.00%  (p=0.000 n=10+10)
PublicUncompressedBytes-8     80.0B ± 0%     48.0B ± 0%  -40.00%  (p=0.000 n=10+10)

name                       old allocs/op  new allocs/op  delta
PublicBytes-8                  2.00 ± 0%      1.00 ± 0%  -50.00%  (p=0.000 n=10+10)
PublicUncompressedBytes-8      2.00 ± 0%      1.00 ± 0%  -50.00%  (p=0.000 n=10+10)
 2021-08-25 22:35:39 +03:00
Roman Khimov
217d7bdf44 keys: add equality benchmark 
Go 1.15 provides native (*ecdsa.PublicKey).Equal method, but we can't drop our
own Equal because the types are different and there is still code using our
Equal (forcing it to convert types is counterproductive), while changing
(*PublicKey).Equal to use (*ecdsa.PublicKey).Equal internally with some kind of

  (*ecdsa.PublicKey)(p).Equal((*ecdsa.PublicKey)(key))

slows it down:

name           old time/op    new time/op    delta
PublicEqual-8    14.9ns ± 1%    18.4ns ± 2%  +23.55%  (p=0.000 n=9+10)

name           old alloc/op   new alloc/op   delta
PublicEqual-8     0.00B          0.00B          ~     (all equal)

name           old allocs/op  new allocs/op  delta
PublicEqual-8      0.00           0.00          ~     (all equal)

So leave it as is, but add this micro-bench. Refs. #1319.
 2021-08-25 15:18:26 +03:00
Roman Khimov
fd87cd4c54 vm: fix (*Stack).Clear to clean up references 2021-08-25 11:20:43 +03:00
Roman Khimov
de4ed7d020 runtime: fix CustomGroups witness 
See neo-project/neo#2586.
 2021-08-24 15:50:24 +03:00
Roman Khimov
930653418d vm: rework stack as a simple slice 
Double-linked list is quite expensive to manage especially given that it
requires microallocations for each Element. It can be replaced by simple slice
which is much more effective for simple push/pop operations that are very
typical in a VM. I've worried a little about more complex operations like
XDROP/1024 or REVERSEN/1024 because these require copying quite substantial
number of elements, but turns out these work fine too.

At the moment Element is kept as a convenient wrapper for Bytes/BigInt/Bool/etc
methods, but it can be changed in future. Many other potential optimizations
are also possible now.

Complex scripts:
name                    old time/op    new time/op    delta
ScriptFibonacci-8         1.11ms ± 2%    0.85ms ± 2%  -23.40%  (p=0.000 n=10+10)
ScriptNestedRefCount-8    1.46ms ± 2%    1.16ms ± 1%  -20.65%  (p=0.000 n=10+10)
ScriptPushPop/4-8         1.81µs ± 1%    1.54µs ± 4%  -14.96%  (p=0.000 n=8+10)
ScriptPushPop/16-8        4.88µs ± 2%    3.91µs ± 2%  -19.87%  (p=0.000 n=9+9)
ScriptPushPop/128-8       31.9µs ± 9%    26.7µs ± 3%  -16.28%  (p=0.000 n=9+8)
ScriptPushPop/1024-8       235µs ± 1%     192µs ± 3%  -18.31%  (p=0.000 n=9+10)

name                    old alloc/op   new alloc/op   delta
ScriptFibonacci-8          392kB ± 0%     123kB ± 0%  -68.68%  (p=0.000 n=8+8)
ScriptNestedRefCount-8     535kB ± 0%     266kB ± 0%  -50.38%  (p=0.000 n=6+10)
ScriptPushPop/4-8           352B ± 0%      160B ± 0%  -54.55%  (p=0.000 n=10+10)
ScriptPushPop/16-8        1.41kB ± 0%    0.64kB ± 0%  -54.55%  (p=0.000 n=10+10)
ScriptPushPop/128-8       11.3kB ± 0%     8.7kB ± 0%  -22.73%  (p=0.000 n=10+10)
ScriptPushPop/1024-8      90.1kB ± 0%    73.2kB ± 0%  -18.75%  (p=0.000 n=10+10)

name                    old allocs/op  new allocs/op  delta
ScriptFibonacci-8          9.14k ± 0%     3.53k ± 0%  -61.41%  (p=0.000 n=10+10)
ScriptNestedRefCount-8     17.4k ± 0%     11.8k ± 0%  -32.35%  (p=0.000 n=10+10)
ScriptPushPop/4-8           12.0 ± 0%       8.0 ± 0%  -33.33%  (p=0.000 n=10+10)
ScriptPushPop/16-8          48.0 ± 0%      32.0 ± 0%  -33.33%  (p=0.000 n=10+10)
ScriptPushPop/128-8          384 ± 0%       259 ± 0%  -32.55%  (p=0.000 n=10+10)
ScriptPushPop/1024-8       3.07k ± 0%     2.05k ± 0%  -33.14%  (p=0.000 n=10+10)

Some stack-management opcodes:

name                                 old time/op    new time/op    delta
Opcodes/XDROP/0/1-8                     255ns ± 9%     273ns ±11%    +6.92%  (p=0.016 n=11+10)
Opcodes/XDROP/0/1024-8                  362ns ± 2%     365ns ± 8%      ~     (p=0.849 n=10+11)
Opcodes/XDROP/1024/1024-8              3.20µs ± 2%    1.99µs ±12%   -37.69%  (p=0.000 n=11+11)
Opcodes/XDROP/2047/2048-8              6.55µs ± 3%    1.75µs ± 5%   -73.26%  (p=0.000 n=10+11)
Opcodes/DUP/null-8                      414ns ± 6%     245ns ±12%   -40.88%  (p=0.000 n=11+11)
Opcodes/DUP/boolean-8                   411ns ± 8%     245ns ± 6%   -40.31%  (p=0.000 n=11+11)
Opcodes/DUP/integer/small-8             684ns ± 8%     574ns ± 3%   -16.02%  (p=0.000 n=11+10)
Opcodes/DUP/integer/big-8               675ns ± 6%     601ns ±10%   -10.98%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/small-8           675ns ±10%     566ns ±10%   -16.22%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/big-8            6.39µs ±11%    6.13µs ± 3%      ~     (p=0.148 n=10+10)
Opcodes/DUP/buffer/small-8              412ns ± 5%     261ns ± 8%   -36.55%  (p=0.000 n=9+11)
Opcodes/DUP/buffer/big-8                586ns ±10%     337ns ± 7%   -42.53%  (p=0.000 n=11+11)
Opcodes/DUP/struct/small-8              458ns ±12%     256ns ±12%   -44.09%  (p=0.000 n=11+11)
Opcodes/DUP/struct/big-8                489ns ± 7%     274ns ± 5%   -44.06%  (p=0.000 n=10+10)
Opcodes/DUP/pointer-8                   586ns ± 7%     494ns ± 7%   -15.67%  (p=0.000 n=11+11)
Opcodes/OVER/null-8                     450ns ±14%     264ns ±10%   -41.30%  (p=0.000 n=11+11)
Opcodes/OVER/boolean-8                  450ns ±14%     264ns ±10%   -41.31%  (p=0.000 n=11+11)
Opcodes/OVER/integer/small-8            716ns ± 9%     604ns ± 6%   -15.65%  (p=0.000 n=11+11)
Opcodes/OVER/integer/big-8              696ns ± 5%     634ns ± 6%    -8.89%  (p=0.000 n=10+11)
Opcodes/OVER/bytearray/small-8          693ns ± 1%     539ns ± 9%   -22.18%  (p=0.000 n=9+10)
Opcodes/OVER/bytearray/big-8           6.33µs ± 2%    6.16µs ± 4%    -2.79%  (p=0.004 n=8+10)
Opcodes/OVER/buffer/small-8             415ns ± 4%     263ns ± 8%   -36.76%  (p=0.000 n=9+11)
Opcodes/OVER/buffer/big-8               587ns ± 5%     342ns ± 7%   -41.70%  (p=0.000 n=11+11)
Opcodes/OVER/struct/small-8             446ns ±14%     257ns ± 8%   -42.42%  (p=0.000 n=11+11)
Opcodes/OVER/struct/big-8               607ns ±26%     278ns ± 7%   -54.25%  (p=0.000 n=11+11)
Opcodes/OVER/pointer-8                  645ns ±12%     476ns ±10%   -26.21%  (p=0.000 n=11+11)
Opcodes/PICK/2/null-8                   460ns ±11%     264ns ± 9%   -42.68%  (p=0.000 n=11+11)
Opcodes/PICK/2/boolean-8                460ns ± 4%     260ns ± 4%   -43.37%  (p=0.000 n=8+11)
Opcodes/PICK/2/integer/small-8          725ns ± 7%     557ns ± 4%   -23.19%  (p=0.000 n=11+10)
Opcodes/PICK/2/integer/big-8            722ns ±12%     582ns ± 6%   -19.51%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/small-8        705ns ± 6%     545ns ± 4%   -22.69%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/big-8         7.17µs ±36%    6.37µs ± 8%      ~     (p=0.065 n=11+11)
Opcodes/PICK/2/buffer/small-8           427ns ± 8%     253ns ± 8%   -40.82%  (p=0.000 n=11+11)
Opcodes/PICK/2/buffer/big-8             590ns ± 3%     331ns ± 6%   -43.83%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/small-8           428ns ± 8%     254ns ± 7%   -40.64%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/big-8             489ns ±15%     283ns ± 7%   -42.11%  (p=0.000 n=11+11)
Opcodes/PICK/2/pointer-8                553ns ± 7%     414ns ± 8%   -25.18%  (p=0.000 n=11+11)
Opcodes/PICK/1024/null-8                531ns ± 4%     327ns ± 6%   -38.49%  (p=0.000 n=10+10)
Opcodes/PICK/1024/boolean-8             527ns ± 5%     318ns ± 5%   -39.78%  (p=0.000 n=11+9)
Opcodes/PICK/1024/integer/small-8       861ns ± 4%     683ns ± 4%   -20.66%  (p=0.000 n=11+11)
Opcodes/PICK/1024/integer/big-8         882ns ± 4%    1060ns ±47%      ~     (p=0.748 n=11+11)
Opcodes/PICK/1024/bytearray/small-8     850ns ± 4%     671ns ± 5%   -21.12%  (p=0.000 n=10+11)
Opcodes/PICK/1024/bytearray/big-8      6.32µs ±26%    6.75µs ± 4%    +6.86%  (p=0.019 n=10+11)
Opcodes/PICK/1024/buffer/small-8        530ns ± 6%     324ns ± 5%   -38.86%  (p=0.000 n=10+11)
Opcodes/PICK/1024/buffer/big-8          570ns ± 4%     417ns ±45%   -26.82%  (p=0.001 n=11+10)
Opcodes/PICK/1024/struct/small-8      1.11µs ±122%    0.34µs ±11%   -69.38%  (p=0.000 n=11+10)
Opcodes/PICK/1024/pointer-8             693ns ± 5%     568ns ±31%   -18.10%  (p=0.002 n=10+10)
Opcodes/TUCK/null-8                     450ns ±10%     275ns ± 8%   -38.93%  (p=0.000 n=11+11)
Opcodes/TUCK/boolean-8                  449ns ±13%     268ns ± 9%   -40.16%  (p=0.000 n=11+10)
Opcodes/TUCK/integer/small-8            716ns ± 7%     599ns ± 7%   -16.30%  (p=0.000 n=11+11)
Opcodes/TUCK/integer/big-8              718ns ± 8%     613ns ±11%   -14.55%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/small-8          700ns ±12%     558ns ± 7%   -20.39%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/big-8           5.88µs ± 7%    6.37µs ± 3%    +8.31%  (p=0.000 n=10+11)
Opcodes/TUCK/buffer/small-8             425ns ± 6%     258ns ±12%   -39.28%  (p=0.000 n=11+11)
Opcodes/TUCK/buffer/big-8               553ns ±19%     334ns ± 6%   -39.57%  (p=0.000 n=11+11)
Opcodes/TUCK/struct/small-8             474ns ± 3%     263ns ±12%   -44.51%  (p=0.000 n=10+11)
Opcodes/TUCK/struct/big-8               641ns ±24%     284ns ± 8%   -55.63%  (p=0.000 n=11+11)
Opcodes/TUCK/pointer-8                  635ns ±13%     468ns ±16%   -26.31%  (p=0.000 n=11+11)
Opcodes/SWAP/null-8                     227ns ±31%     212ns ±11%      ~     (p=0.847 n=11+11)
Opcodes/SWAP/integer-8                  233ns ±32%     210ns ±14%      ~     (p=0.072 n=10+11)
Opcodes/SWAP/big_bytes-8                263ns ±39%     211ns ±11%      ~     (p=0.056 n=11+11)
Opcodes/ROT/null-8                      308ns ±68%     223ns ±12%      ~     (p=0.519 n=11+11)
Opcodes/ROT/integer-8                   226ns ±25%     228ns ± 9%      ~     (p=0.705 n=10+11)
Opcodes/ROT/big_bytes-8                 215ns ±18%     218ns ± 7%      ~     (p=0.756 n=10+11)
Opcodes/ROLL/4/null-8                   269ns ±10%     295ns ± 9%    +9.42%  (p=0.002 n=10+11)
Opcodes/ROLL/4/integer-8                344ns ±48%     280ns ± 2%      ~     (p=0.882 n=11+9)
Opcodes/ROLL/4/big_bytes-8              276ns ±13%     288ns ± 4%    +4.38%  (p=0.046 n=9+11)
Opcodes/ROLL/1024/null-8               4.21µs ±70%    1.01µs ± 9%   -76.15%  (p=0.000 n=11+11)
Opcodes/ROLL/1024/integer-8            4.78µs ±82%    0.71µs ± 3%   -85.06%  (p=0.000 n=11+11)
Opcodes/ROLL/1024/big_bytes-8          3.28µs ± 5%    1.35µs ±36%   -58.91%  (p=0.000 n=9+11)
Opcodes/REVERSE3/null-8                 219ns ± 9%     224ns ± 9%      ~     (p=0.401 n=11+11)
Opcodes/REVERSE3/integer-8              261ns ±28%     220ns ± 6%   -15.67%  (p=0.015 n=11+11)
Opcodes/REVERSE3/big_bytes-8            245ns ±31%     218ns ± 7%      ~     (p=0.051 n=10+11)
Opcodes/REVERSE4/null-8                 223ns ±10%     218ns ± 6%      ~     (p=0.300 n=11+11)
Opcodes/REVERSE4/integer-8              233ns ±10%     220ns ± 7%    -5.74%  (p=0.016 n=11+11)
Opcodes/REVERSE4/big_bytes-8            225ns ±10%     220ns ± 7%      ~     (p=0.157 n=10+11)
Opcodes/REVERSEN/5/null-8               281ns ±12%     277ns ± 4%      ~     (p=0.847 n=11+11)
Opcodes/REVERSEN/5/integer-8            280ns ±11%     275ns ± 5%      ~     (p=0.243 n=11+11)
Opcodes/REVERSEN/5/big_bytes-8          283ns ± 9%     276ns ± 7%      ~     (p=0.133 n=11+11)
Opcodes/REVERSEN/1024/null-8           4.85µs ± 6%    1.94µs ± 6%   -60.07%  (p=0.000 n=10+11)
Opcodes/REVERSEN/1024/integer-8        4.97µs ± 7%    1.99µs ±22%   -59.88%  (p=0.000 n=11+11)
Opcodes/REVERSEN/1024/big_bytes-8      5.11µs ±10%    2.00µs ± 4%   -60.87%  (p=0.000 n=10+9)
Opcodes/PACK/1-8                       1.22µs ± 7%    0.95µs ± 6%   -22.17%  (p=0.000 n=10+11)
Opcodes/PACK/255-8                     11.1µs ± 4%    10.2µs ± 6%    -7.96%  (p=0.000 n=11+11)
Opcodes/PACK/1024-8                    38.9µs ± 4%    37.4µs ± 9%      ~     (p=0.173 n=10+11)
Opcodes/UNPACK/1-8                     1.32µs ±34%    0.96µs ± 6%   -27.57%  (p=0.000 n=10+11)
Opcodes/UNPACK/255-8                   27.2µs ±14%    16.0µs ±13%   -41.04%  (p=0.000 n=11+11)
Opcodes/UNPACK/1024-8                   102µs ±10%      64µs ±16%   -37.33%  (p=0.000 n=10+11)

name                                 old alloc/op   new alloc/op   delta
Opcodes/XDROP/0/1-8                     0.00B          0.00B           ~     (all equal)
Opcodes/XDROP/0/1024-8                  0.00B          0.00B           ~     (all equal)
Opcodes/XDROP/1024/1024-8               0.00B          0.00B           ~     (all equal)
Opcodes/XDROP/2047/2048-8               0.00B          0.00B           ~     (all equal)
Opcodes/DUP/null-8                      48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/boolean-8                   48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/integer/small-8             96.0B ± 0%     48.0B ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/DUP/integer/big-8                104B ± 0%       56B ± 0%   -46.15%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/small-8           88.0B ± 0%     40.0B ± 0%   -54.55%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/big-8            65.6kB ± 0%    65.6kB ± 0%    -0.07%  (p=0.000 n=10+9)
Opcodes/DUP/buffer/small-8              48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/buffer/big-8                48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/struct/small-8              48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/struct/big-8                48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/pointer-8                    112B ± 0%       64B ± 0%   -42.86%  (p=0.000 n=11+11)
Opcodes/OVER/null-8                     48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/boolean-8                  48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/integer/small-8            96.0B ± 0%     48.0B ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/OVER/integer/big-8               104B ± 0%       56B ± 0%   -46.15%  (p=0.000 n=11+11)
Opcodes/OVER/bytearray/small-8          88.0B ± 0%     40.0B ± 0%   -54.55%  (p=0.000 n=11+11)
Opcodes/OVER/bytearray/big-8           65.6kB ± 0%    65.6kB ± 0%    -0.07%  (p=0.000 n=9+11)
Opcodes/OVER/buffer/small-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/buffer/big-8               48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/struct/small-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/struct/big-8               48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/pointer-8                   112B ± 0%       64B ± 0%   -42.86%  (p=0.000 n=11+11)
Opcodes/PICK/2/null-8                   48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/boolean-8                48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/integer/small-8          96.0B ± 0%     48.0B ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/integer/big-8             104B ± 0%       56B ± 0%   -46.15%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/small-8        88.0B ± 0%     40.0B ± 0%   -54.55%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/big-8         65.6kB ± 0%    65.6kB ± 0%    -0.07%  (p=0.001 n=9+11)
Opcodes/PICK/2/buffer/small-8           48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/buffer/big-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/small-8           48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/big-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/pointer-8                 112B ± 0%       64B ± 0%   -42.86%  (p=0.000 n=11+11)
Opcodes/PICK/1024/null-8                48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/boolean-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/integer/small-8       96.0B ± 0%     48.0B ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/integer/big-8          104B ± 0%       56B ± 0%   -46.15%  (p=0.000 n=11+11)
Opcodes/PICK/1024/bytearray/small-8     88.0B ± 0%     40.0B ± 0%   -54.55%  (p=0.000 n=11+11)
Opcodes/PICK/1024/bytearray/big-8      65.6kB ± 0%    65.6kB ± 0%    -0.07%  (p=0.000 n=11+11)
Opcodes/PICK/1024/buffer/small-8        48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/buffer/big-8          48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/struct/small-8        48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/pointer-8              112B ± 0%       64B ± 0%   -42.86%  (p=0.000 n=11+11)
Opcodes/TUCK/null-8                     48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/boolean-8                  48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/integer/small-8            96.0B ± 0%     48.0B ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/TUCK/integer/big-8               104B ± 0%       56B ± 0%   -46.15%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/small-8          88.0B ± 0%     40.0B ± 0%   -54.55%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/big-8           65.6kB ± 0%    65.6kB ± 0%    -0.07%  (p=0.000 n=10+11)
Opcodes/TUCK/buffer/small-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/buffer/big-8               48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/struct/small-8             48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/struct/big-8               48.0B ± 0%      0.0B       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/pointer-8                   112B ± 0%       64B ± 0%   -42.86%  (p=0.000 n=11+11)
Opcodes/SWAP/null-8                     0.00B          0.00B           ~     (all equal)
Opcodes/SWAP/integer-8                  0.00B          0.00B           ~     (all equal)
Opcodes/SWAP/big_bytes-8                0.00B          0.00B           ~     (all equal)
Opcodes/ROT/null-8                      0.00B          0.00B           ~     (all equal)
Opcodes/ROT/integer-8                   0.00B          0.00B           ~     (all equal)
Opcodes/ROT/big_bytes-8                 0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/4/null-8                   0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/4/integer-8                0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/4/big_bytes-8              0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/1024/null-8                0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/1024/integer-8             0.00B          0.00B           ~     (all equal)
Opcodes/ROLL/1024/big_bytes-8           0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE3/null-8                 0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE3/integer-8              0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE3/big_bytes-8            0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE4/null-8                 0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE4/integer-8              0.00B          0.00B           ~     (all equal)
Opcodes/REVERSE4/big_bytes-8            0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/5/null-8               0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/5/integer-8            0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/5/big_bytes-8          0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/1024/null-8            0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/1024/integer-8         0.00B          0.00B           ~     (all equal)
Opcodes/REVERSEN/1024/big_bytes-8       0.00B          0.00B           ~     (all equal)
Opcodes/PACK/1-8                         144B ± 0%       96B ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PACK/255-8                     4.22kB ± 0%    4.18kB ± 0%    -1.14%  (p=0.000 n=11+11)
Opcodes/PACK/1024-8                    16.5kB ± 0%    16.5kB ± 0%    -0.29%  (p=0.000 n=11+11)
Opcodes/UNPACK/1-8                       168B ± 0%       72B ± 0%   -57.14%  (p=0.000 n=11+11)
Opcodes/UNPACK/255-8                   12.4kB ± 0%     7.8kB ± 0%   -37.28%  (p=0.000 n=11+11)
Opcodes/UNPACK/1024-8                  49.3kB ± 0%    52.8kB ± 0%    +7.18%  (p=0.000 n=11+11)

name                                 old allocs/op  new allocs/op  delta
Opcodes/XDROP/0/1-8                      0.00           0.00           ~     (all equal)
Opcodes/XDROP/0/1024-8                   0.00           0.00           ~     (all equal)
Opcodes/XDROP/1024/1024-8                0.00           0.00           ~     (all equal)
Opcodes/XDROP/2047/2048-8                0.00           0.00           ~     (all equal)
Opcodes/DUP/null-8                       1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/boolean-8                    1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/integer/small-8              3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/DUP/integer/big-8                3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/small-8            3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/DUP/bytearray/big-8              3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/DUP/buffer/small-8               1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/buffer/big-8                 1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/struct/small-8               1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/struct/big-8                 1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/DUP/pointer-8                    2.00 ± 0%      1.00 ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/OVER/null-8                      1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/boolean-8                   1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/integer/small-8             3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/OVER/integer/big-8               3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/OVER/bytearray/small-8           3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/OVER/bytearray/big-8             3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/OVER/buffer/small-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/buffer/big-8                1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/struct/small-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/struct/big-8                1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/OVER/pointer-8                   2.00 ± 0%      1.00 ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/null-8                    1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/boolean-8                 1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/integer/small-8           3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/2/integer/big-8             3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/small-8         3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/2/bytearray/big-8           3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/2/buffer/small-8            1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/buffer/big-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/small-8            1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/struct/big-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/2/pointer-8                 2.00 ± 0%      1.00 ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/null-8                 1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/boolean-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/integer/small-8        3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/1024/integer/big-8          3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/1024/bytearray/small-8      3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/1024/bytearray/big-8        3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/PICK/1024/buffer/small-8         1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/buffer/big-8           1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/struct/small-8         1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/PICK/1024/pointer-8              2.00 ± 0%      1.00 ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/TUCK/null-8                      1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/boolean-8                   1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/integer/small-8             3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/TUCK/integer/big-8               3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/small-8           3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/TUCK/bytearray/big-8             3.00 ± 0%      2.00 ± 0%   -33.33%  (p=0.000 n=11+11)
Opcodes/TUCK/buffer/small-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/buffer/big-8                1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/struct/small-8              1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/struct/big-8                1.00 ± 0%      0.00       -100.00%  (p=0.000 n=11+11)
Opcodes/TUCK/pointer-8                   2.00 ± 0%      1.00 ± 0%   -50.00%  (p=0.000 n=11+11)
Opcodes/SWAP/null-8                      0.00           0.00           ~     (all equal)
Opcodes/SWAP/integer-8                   0.00           0.00           ~     (all equal)
Opcodes/SWAP/big_bytes-8                 0.00           0.00           ~     (all equal)
Opcodes/ROT/null-8                       0.00           0.00           ~     (all equal)
Opcodes/ROT/integer-8                    0.00           0.00           ~     (all equal)
Opcodes/ROT/big_bytes-8                  0.00           0.00           ~     (all equal)
Opcodes/ROLL/4/null-8                    0.00           0.00           ~     (all equal)
Opcodes/ROLL/4/integer-8                 0.00           0.00           ~     (all equal)
Opcodes/ROLL/4/big_bytes-8               0.00           0.00           ~     (all equal)
Opcodes/ROLL/1024/null-8                 0.00           0.00           ~     (all equal)
Opcodes/ROLL/1024/integer-8              0.00           0.00           ~     (all equal)
Opcodes/ROLL/1024/big_bytes-8            0.00           0.00           ~     (all equal)
Opcodes/REVERSE3/null-8                  0.00           0.00           ~     (all equal)
Opcodes/REVERSE3/integer-8               0.00           0.00           ~     (all equal)
Opcodes/REVERSE3/big_bytes-8             0.00           0.00           ~     (all equal)
Opcodes/REVERSE4/null-8                  0.00           0.00           ~     (all equal)
Opcodes/REVERSE4/integer-8               0.00           0.00           ~     (all equal)
Opcodes/REVERSE4/big_bytes-8             0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/5/null-8                0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/5/integer-8             0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/5/big_bytes-8           0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/1024/null-8             0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/1024/integer-8          0.00           0.00           ~     (all equal)
Opcodes/REVERSEN/1024/big_bytes-8        0.00           0.00           ~     (all equal)
Opcodes/PACK/1-8                         5.00 ± 0%      4.00 ± 0%   -20.00%  (p=0.000 n=11+11)
Opcodes/PACK/255-8                       5.00 ± 0%      4.00 ± 0%   -20.00%  (p=0.000 n=11+11)
Opcodes/PACK/1024-8                      5.00 ± 0%      4.00 ± 0%   -20.00%  (p=0.000 n=11+11)
Opcodes/UNPACK/1-8                       5.00 ± 0%      3.00 ± 0%   -40.00%  (p=0.000 n=11+11)
Opcodes/UNPACK/255-8                      259 ± 0%         7 ± 0%   -97.30%  (p=0.000 n=11+11)
Opcodes/UNPACK/1024-8                   1.03k ± 0%     0.01k ± 0%   -98.93%  (p=0.000 n=11+11)
 2021-08-24 15:28:14 +03:00
Roman Khimov
7808762ba0 transaction: avoid reencoding and reading what can't be read 
name               old time/op    new time/op    delta
DecodeFromBytes-8    1.79µs ± 2%    1.46µs ± 4%  -18.44%  (p=0.000 n=10+10)

name               old alloc/op   new alloc/op   delta
DecodeFromBytes-8      800B ± 0%      624B ± 0%  -22.00%  (p=0.000 n=10+10)

name               old allocs/op  new allocs/op  delta
DecodeFromBytes-8      10.0 ± 0%       8.0 ± 0%  -20.00%  (p=0.000 n=10+10)
 2021-08-23 21:41:38 +03:00
Roman Khimov
d0620b24ec io: simplify BinReader uint buffer 
Similar to c69670c85b, allows to eliminate one
allocation and reduce memory footprint a bit (tested on tx decoding):

name               old time/op    new time/op    delta
DecodeFromBytes-8    1.78µs ± 3%    1.79µs ± 2%    ~     (p=1.000 n=10+10)

name               old alloc/op   new alloc/op   delta
DecodeFromBytes-8      888B ± 0%      800B ± 0%  -9.91%  (p=0.000 n=10+10)

name               old allocs/op  new allocs/op  delta
DecodeFromBytes-8      11.0 ± 0%      10.0 ± 0%  -9.09%  (p=0.000 n=10+10)
 2021-08-23 21:18:07 +03:00
Roman Khimov
ed35cf8f12 vm: store exception stack in the context 
Avoid allocating it.
 2021-08-23 18:29:27 +03:00
Roman Khimov
d3198c3082 stackitem: avoid going through Value() in serialization 
Doesn't change much, but still simpler.

name               old time/op    new time/op    delta
SerializeSimple-8     452ns ±10%     435ns ± 4%   ~     (p=0.356 n=10+9)

name               old alloc/op   new alloc/op   delta
SerializeSimple-8      432B ± 0%      432B ± 0%   ~     (all equal)

name               old allocs/op  new allocs/op  delta
SerializeSimple-8      7.00 ± 0%      7.00 ± 0%   ~     (all equal)
 2021-08-23 18:29:07 +03:00
Roman Khimov
2808f6857d interop: don't allocate for Functions and Notifications in New 
Functions are usually immediately replaced (and it's OK for them to be nil,
searching through an array with length of zero is fine), Notifications are
usually appended to (and are absolutely useless in verification contexts).
 2021-08-20 11:56:28 +03:00
Roman Khimov
2e39f1a1e3 io: drop one allocation from NewBufBinWriter 2021-08-20 11:38:42 +03:00
Roman Khimov
a68a8aa8fc core: simplify and correct notification handling 
* both 'to' and 'from' are either Null or Hash160, there is no other
   possibility for valid NEP-17. So returning util.Uint160{} in case of
   parsing error is wrong.
 * but this is what allowed burns/mints to work at the expense of error
   allocation inside of util.Uint160DecodeBytesBE()
 * Uint160 can technically fit into regular VM integer, so even though it'd be
   quite surprising to see it there, TryBytes() is more correct (and easier!)
   to use
 * same thing with `amount`, we have `TryInteger()` that easily covers all
   possible cases and does appropriate error checking inside
 2021-08-20 11:26:16 +03:00
Roman Khimov
abc48229a3 block: Grow buffer on Trim, avoid reallocations 2021-08-20 11:05:46 +03:00
Roman Khimov
b8dd284d3d io: don't allocate new error on every call to Bytes() 
It makes no sense and we're using Bytes() pretty often.
 2021-08-20 10:58:51 +03:00
Anna Shaleva
5f9d38f640 core: refactor (*DAO).StoreAsTransaction 
Squash (*DAO).StoreAsTransaction and
(*DAO).StoreConflictingTransactions. It's better to keep them this way,
because StoreAsTransaction is always followed by
StoreConflictingTransactions, so it's an atomic operation.

The logic wasn't changed.
 2021-08-18 13:39:28 +03:00
Anna Shaleva
4b35a1cf92 core: remove conflicting transactions wrt MaxTraceableBlocks 2021-08-18 13:31:47 +03:00
Roman Khimov
483934d3a6
Merge pull request #2133 from nspcc-dev/optimize-util 
util: reduce allocations in `util.Uint256DecodeStringLE`
 2021-08-17 19:20:16 +03:00
Evgeniy Stratonikov
8c31831626 util: reduce allocations in util.Uint256DecodeStringLE 
It is used a lot in clients (including our benchmark).
`Uint160` is already optimized.

```
name                     old time/op    new time/op    delta
Uint256DecodeStringLE-8     150ns ±15%     112ns ± 3%  -25.23%  (p=0.000 n=10+10)

name                     old alloc/op   new alloc/op   delta
Uint256DecodeStringLE-8     96.0B ± 0%     64.0B ± 0%  -33.33%  (p=0.000 n=10+10)

name                     old allocs/op  new allocs/op  delta
Uint256DecodeStringLE-8      2.00 ± 0%      1.00 ± 0%  -50.00%  (p=0.000 n=10+10)
```

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-17 16:53:39 +03:00
Roman Khimov
f477a48758 contract: block calls to contracts via Policy contract 
See neo-project/neo#2567.
 2021-08-17 15:24:06 +03:00
Roman Khimov
11351b9702
Merge pull request #2114 from nspcc-dev/optimize-rpc 
rpc/request: delay parameter unmarshaling
 2021-08-13 16:30:42 +03:00
Evgeniy Stratonikov
3c34e6fa21 rpc/request: delay parameter unmarshaling 
It is rather costly to try to unmarshal many structs in order.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 16:22:54 +03:00
Roman Khimov
5b12dd2025
Merge pull request #2128 from nspcc-dev/vm-update-int 
Some VM optimizations
 2021-08-13 16:16:01 +03:00
Evgeniy Stratonikov
6879f76a13 stackitem: make Buffer an alias to []byte 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 14:41:26 +03:00
Evgeniy Stratonikov
1dfef4ba26 stackitem: make ByteArray an alias to []byte 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 14:41:26 +03:00
Evgeniy Stratonikov
4f98ec2f53 vm: embed reference counter in compound items 
```
name              old time/op  new time/op  delta
RefCounter_Add-8  44.8ns ± 4%  11.7ns ± 3%  -73.94%  (p=0.000 n=10+10)
```

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 14:41:26 +03:00
Roman Khimov
adc660c3e0
Merge pull request #2123 from nspcc-dev/store-better 
Store better
 2021-08-13 12:50:24 +03:00
Evgeniy Stratonikov
dc9287bf5c compiler: use parameter directly in writeJumps 
`Next` doesn't longer copy parameter.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 11:59:04 +03:00
Evgeniy Stratonikov
f5d1277bfd vm: do not copy parameter 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 11:52:38 +03:00
Evgeniy Stratonikov
e2910a7cb4 vm/cli: add public key -> address conversion, fix #2121 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 10:43:49 +03:00
Evgeniy Stratonikov
bb137abb03 crypto/keys: enforce length in PublicKey.DecodeBytes() 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-13 10:38:09 +03:00
Evgeniy Stratonikov
a5516e8c96 stackitem: make BigInteger alias to big.Int 
Remove one indirection step.
``
name       old time/op    new time/op    delta
MakeInt-8    79.7ns ± 8%    56.2ns ± 8%  -29.44%  (p=0.000 n=10+10)

name       old alloc/op   new alloc/op   delta
MakeInt-8     48.0B ± 0%     40.0B ± 0%  -16.67%  (p=0.000 n=10+10)

name       old allocs/op  new allocs/op  delta
MakeInt-8      3.00 ± 0%      2.00 ± 0%  -33.33%  (p=0.000 n=10+10)
```

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-12 17:53:36 +03:00
Evgeniy Stratonikov
cff8b1c24e stackitem: use Bool item directly 
It is always copied.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-12 17:53:36 +03:00
Roman Khimov
ae071d4542 storage: introduce PutChangeSet and use it for Persist 
We're using batches in wrong way during persist, we already have all changes
accumulated in two maps and then we move them to batch and then this is
applied. For some DBs like BoltDB this batch is just another MemoryStore, so
we essentially just shuffle the changeset from one map to another, for others
like LevelDB batch is just a serialized set of KV pairs, it doesn't help much
on subsequent PutBatch, we just duplicate the changeset again.

So introduce PutChangeSet that allows to take two maps with sets and deletes
directly. It also allows to simplify MemCachedStore logic.

neo-bench for single node with 10 workers, LevelDB:

  Reference:

  RPS    30189.132 30556.448 30390.482 ≈ 30379    ±  0.61%
  TPS    29427.344 29418.687 29434.273 ≈ 29427    ±  0.03%
  CPU %     33.304    27.179    33.860 ≈    31.45 ± 11.79%
  Mem MB   800.677   798.389   715.042 ≈   771    ±  6.33%

  Patched:

  RPS    30264.326 30386.364 30166.231 ≈ 30272    ± 0.36% ⇅
  TPS    29444.673 29407.440 29452.478 ≈ 29435    ± 0.08% ⇅
  CPU %     34.012    32.597    33.467 ≈   33.36  ± 2.14% ⇅
  Mem MB   549.126   523.656   517.684 ≈  530     ± 3.15% ↓ 31.26%

BoltDB:

  Reference:

  RPS    31937.647 31551.684 31850.408 ≈ 31780    ±  0.64%
  TPS    31292.049 30368.368 31307.724 ≈ 30989    ±  1.74%
  CPU %     33.792    22.339    35.887 ≈    30.67 ± 23.78%
  Mem MB  1271.687  1254.472  1215.639 ≈  1247    ±  2.30%

  Patched:

  RPS    31746.818 30859.485 31689.761 ≈ 31432    ± 1.58% ⇅
  TPS    31271.499 30340.726 30342.568 ≈ 30652    ± 1.75% ⇅
  CPU %     34.611    34.414    31.553 ≈    33.53 ± 5.11% ⇅
  Mem MB  1262.960  1231.389  1335.569 ≈  1277    ± 4.18% ⇅
 2021-08-12 17:42:16 +03:00
Roman Khimov
5aff82aef4
Merge pull request #2119 from nspcc-dev/states-exchange/insole 
core, network: prepare basis for Insole module
 2021-08-12 10:35:02 +03:00
Roman Khimov
47f0f4c45f dao: completely drop Cached 
It was very useful in 2.0 days, but today it only serves one purpose that
could easily (and more effectively!) be solved in another way.
 2021-08-11 23:06:17 +03:00
Roman Khimov
3e60771175 core: deduplicate and simplify processNEP17Transfer a bit 
Just refactoring, no functional changes.
 2021-08-11 22:36:26 +03:00
Roman Khimov
50ee1a1f91 *: don't use dao.Cached in tests 
There is no need to use it.
 2021-08-11 21:02:50 +03:00
Roman Khimov
18682f2409 storage: don't use locks for memory batches 
They're inherently single-threaded, so locking makes no sense for them.
 2021-08-11 18:55:07 +03:00
Roman Khimov
13da1b62fb interop: fetch baseExecFee once and keep it in the Context 
It never changes during single execution, so we can cache it and avoid going
to Policer via Chain for every instruction.
 2021-08-11 15:42:23 +03:00
Roman Khimov
bdb2d24a5a vm: remove istack redirection in VM 
VM always has istack and it doesn't even change, so doing this microallocation
makes no sense. Notice that estack is a bit harder to change we do replace it
in some cases and we compare pointers to it as well.
 2021-08-11 14:42:01 +03:00
Roman Khimov
ff7d594bef vm: store refcounter directly in VM 
VM always has it, so allocating yet another object makes no sense.
 2021-08-11 13:25:58 +03:00
Anna Shaleva
0e3b9c48a2 core: add API to store StateSyncPoint and StateSyncCurrentBlockHeight 
We need it in order not to mess up the blockchain which has its own
CurrentBlockHeight.
 2021-08-10 14:06:28 +03:00
Anna Shaleva
cb01f533c0 core: store conflicting transactions in a separate method 
(DAO).StoreConflictingTransactions will be reused from the state sync
module.
 2021-08-10 13:47:13 +03:00
Anna Shaleva
72e654332e core: refactor block queue 
It requires only two methods from Blockchainer: AddBlock and
BlockHeight. New interface will allow to easily reuse the block queue
for state exchange purposes.
 2021-08-10 13:47:13 +03:00
Anna Shaleva
35501a281a core: remove untraceable blocks wrt StateSyncInterval 2021-08-10 13:47:10 +03:00
Roman Khimov
0a2bbf3c04
Merge pull request #2118 from nspcc-dev/neopt2 
Networking improvements
 2021-08-10 13:29:40 +03:00
Anna Shaleva
6ca7983be8 network: fix typo in error message 2021-08-10 11:00:39 +03:00
Anna Shaleva
76c687aaa1 config: add P2PStateExchangeExtensions and StateSyncInterval settings 2021-08-10 11:00:32 +03:00
Roman Khimov
1e0c70ecb0
Merge pull request #2117 from nspcc-dev/io-grow 
Some io package improvements
 2021-08-10 09:57:31 +03:00
Evgeniy Stratonikov
73e4040628 mpt: use BinWriter.Grow() instead of custom buffer 
Also add benchmarks.

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-10 09:34:05 +03:00
Evgeniy Stratonikov
c74de9a579 network: preallocate buffer for message 
```
name            old time/op    new time/op    delta
MessageBytes-8     740ns ± 0%     684ns ± 2%   -7.58%  (p=0.000 n=10+10)

name            old alloc/op   new alloc/op   delta
MessageBytes-8    1.39kB ± 0%    1.20kB ± 0%  -13.79%  (p=0.000 n=10+10)

name            old allocs/op  new allocs/op  delta
MessageBytes-8      11.0 ± 0%      10.0 ± 0%   -9.09%  (p=0.000 n=10+10)
```

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-10 09:33:52 +03:00
Evgeniy Stratonikov
dacf025dd9 io: add Grow to BinWriter 
Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
 2021-08-09 12:05:31 +03:00