Skip to content
Projects
Groups
Snippets
Help
This project
Loading...
Sign in / Register
Toggle navigation
P
plugin
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
JIRA
JIRA
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
link33
plugin
Commits
876a76b2
Unverified
Commit
876a76b2
authored
Jan 02, 2019
by
33cn
Committed by
GitHub
Jan 02, 2019
Browse files
Options
Browse Files
Download
Plain Diff
Merge pull request #194 from vipwzw/js
support big number
parents
86fae6a8
3fb4cb6d
Expand all
Show whitespace changes
Inline
Side-by-side
Showing
4 changed files
with
169 additions
and
11 deletions
+169
-11
const.go
plugin/dapp/js/executor/const.go
+0
-0
js.go
plugin/dapp/js/executor/js.go
+37
-7
jsvm.go
plugin/dapp/js/executor/jsvm.go
+50
-0
jsvm_test.go
plugin/dapp/js/executor/jsvm_test.go
+82
-4
No files found.
plugin/dapp/js/executor/const.go
View file @
876a76b2
This diff is collapsed.
Click to expand it.
plugin/dapp/js/executor/js.go
View file @
876a76b2
...
...
@@ -8,18 +8,32 @@ import (
"github.com/33cn/chain33/types"
ptypes
"github.com/33cn/plugin/plugin/dapp/js/types"
"github.com/33cn/plugin/plugin/dapp/js/types/jsproto"
lru
"github.com/hashicorp/golang-lru"
"github.com/robertkrimen/otto"
)
var
driverName
=
ptypes
.
JsX
var
basevm
*
otto
.
Otto
var
codecache
*
lru
.
Cache
func
init
()
{
ety
:=
types
.
LoadExecutorType
(
driverName
)
ety
.
InitFuncList
(
types
.
ListMethod
(
&
js
{}))
basevm
=
otto
.
New
()
_
,
err
:=
basevm
.
Run
(
callcode
)
if
err
!=
nil
{
panic
(
err
)
}
}
//Init 插件初始化
func
Init
(
name
string
,
sub
[]
byte
)
{
//最新的64个code做cache
var
err
error
codecache
,
err
=
lru
.
New
(
512
)
if
err
!=
nil
{
panic
(
err
)
}
drivers
.
Register
(
GetName
(),
newjs
,
0
)
}
...
...
@@ -47,21 +61,24 @@ func (u *js) GetDriverName() string {
func
(
u
*
js
)
callVM
(
prefix
string
,
payload
*
jsproto
.
Call
,
tx
*
types
.
Transaction
,
index
int
,
receiptData
*
types
.
ReceiptData
)
(
*
otto
.
Object
,
error
)
{
vm
,
err
:=
u
.
createVM
(
payload
.
Name
,
tx
,
index
)
if
payload
.
Args
!=
""
{
newjson
,
err
:=
rewriteJSON
([]
byte
(
payload
.
Args
))
if
err
!=
nil
{
return
nil
,
err
}
db
:=
u
.
GetStateDB
()
code
,
err
:=
db
.
Get
(
calcCodeKey
(
payload
.
Name
))
payload
.
Args
=
string
(
newjson
)
}
else
{
payload
.
Args
=
"{}"
}
loglist
,
err
:=
jslogs
(
receiptData
)
if
err
!=
nil
{
return
nil
,
err
}
loglist
,
err
:=
jslogs
(
receiptData
)
vm
,
err
:=
u
.
createVM
(
payload
.
Name
,
tx
,
index
)
if
err
!=
nil
{
return
nil
,
err
}
vm
.
Set
(
"loglist"
,
loglist
)
vm
.
Set
(
"code"
,
code
)
if
prefix
==
"init"
{
vm
.
Set
(
"f"
,
"init"
)
}
else
{
...
...
@@ -69,7 +86,7 @@ func (u *js) callVM(prefix string, payload *jsproto.Call, tx *types.Transaction,
}
vm
.
Set
(
"args"
,
payload
.
Args
)
callfunc
:=
"callcode(context, f, args, loglist)"
jsvalue
,
err
:=
vm
.
Run
(
call
code
+
string
(
code
)
+
"
\n
"
+
call
func
)
jsvalue
,
err
:=
vm
.
Run
(
callfunc
)
if
err
!=
nil
{
return
nil
,
err
}
...
...
@@ -186,7 +203,20 @@ func (u *js) createVM(name string, tx *types.Transaction, index int) (*otto.Otto
if
err
!=
nil
{
return
nil
,
err
}
vm
:=
otto
.
New
()
var
vm
*
otto
.
Otto
if
vmitem
,
ok
:=
codecache
.
Get
(
name
);
ok
{
vm
=
vmitem
.
(
*
otto
.
Otto
)
.
Copy
()
}
else
{
code
,
err
:=
u
.
GetStateDB
()
.
Get
(
calcCodeKey
(
name
))
if
err
!=
nil
{
return
nil
,
err
}
//cache 合约代码部分,不会cache 具体执行
cachevm
:=
basevm
.
Copy
()
cachevm
.
Run
(
code
)
codecache
.
Add
(
name
,
cachevm
)
vm
=
cachevm
.
Copy
()
}
vm
.
Set
(
"context"
,
string
(
data
))
u
.
getstatedbFunc
(
vm
,
name
)
u
.
getlocaldbFunc
(
vm
,
name
)
...
...
plugin/dapp/js/executor/jsvm.go
View file @
876a76b2
package
executor
import
(
"bytes"
"encoding/json"
"errors"
"fmt"
"strings"
"github.com/33cn/chain33/types"
ptypes
"github.com/33cn/plugin/plugin/dapp/js/types"
...
...
@@ -107,3 +110,50 @@ func parseKV(data *otto.Object) (kv *types.KeyValue, err error) {
}
return
&
types
.
KeyValue
{
Key
:
[]
byte
(
key
),
Value
:
[]
byte
(
value
)},
nil
}
func
rewriteJSON
(
data
[]
byte
)
([]
byte
,
error
)
{
dat
:=
make
(
map
[
string
]
interface
{})
d
:=
json
.
NewDecoder
(
bytes
.
NewBuffer
(
data
))
d
.
UseNumber
()
if
err
:=
d
.
Decode
(
&
dat
);
err
!=
nil
{
return
nil
,
err
}
dat
=
rewriteString
(
dat
)
return
json
.
Marshal
(
dat
)
}
func
rewriteString
(
dat
map
[
string
]
interface
{})
map
[
string
]
interface
{}
{
for
k
,
v
:=
range
dat
{
if
n
,
ok
:=
v
.
(
json
.
Number
);
ok
{
dat
[
k
]
=
jssafe
(
n
)
}
else
if
arr
,
ok
:=
v
.
([]
interface
{});
ok
{
for
i
:=
0
;
i
<
len
(
arr
);
i
++
{
v
:=
arr
[
i
]
if
n
,
ok
:=
v
.
(
json
.
Number
);
ok
{
arr
[
i
]
=
jssafe
(
n
)
}
}
dat
[
k
]
=
arr
}
else
if
d
,
ok
:=
v
.
(
map
[
string
]
interface
{});
ok
{
dat
[
k
]
=
rewriteString
(
d
)
}
else
{
dat
[
k
]
=
v
}
}
return
dat
}
func
jssafe
(
n
json
.
Number
)
interface
{}
{
if
strings
.
Contains
(
string
(
n
),
"."
)
{
//float
return
n
}
i
,
err
:=
n
.
Int64
()
if
err
!=
nil
{
return
n
}
//javascript can not parse
if
i
>=
9007199254740991
||
i
<=
-
9007199254740991
{
return
string
(
n
)
}
return
n
}
plugin/dapp/js/executor/jsvm_test.go
View file @
876a76b2
...
...
@@ -2,6 +2,9 @@ package executor
import
(
"encoding/json"
"fmt"
"math"
"runtime"
"strings"
"testing"
"time"
...
...
@@ -67,12 +70,15 @@ Query.prototype.hello = function(args) {
}
`
func
initExec
(
ldb
db
.
DB
,
kvdb
db
.
KVDB
,
t
*
testing
.
T
)
*
js
{
func
init
()
{
Init
(
"js"
,
nil
)
}
func
initExec
(
ldb
db
.
DB
,
kvdb
db
.
KVDB
,
t
assert
.
TestingT
)
*
js
{
e
:=
newjs
()
.
(
*
js
)
e
.
SetEnv
(
1
,
time
.
Now
()
.
Unix
(),
1
)
e
.
SetLocalDB
(
kvdb
)
e
.
SetStateDB
(
kvdb
)
c
,
tx
:=
createCodeTx
(
"test"
,
jscode
)
receipt
,
err
:=
e
.
Exec_Create
(
c
,
tx
,
0
)
assert
.
Nil
(
t
,
err
)
...
...
@@ -158,8 +164,8 @@ func TestCallError(t *testing.T) {
call
,
tx
:=
callCodeTx
(
"test"
,
"hello"
,
`{hello":"world"}`
)
_
,
err
:=
e
.
callVM
(
"exec"
,
call
,
tx
,
0
,
nil
)
_
,
ok
:=
err
.
(
*
otto
.
Error
)
assert
.
Equal
(
t
,
tru
e
,
ok
)
assert
.
Equal
(
t
,
true
,
strings
.
Contains
(
err
.
Error
(),
"
SyntaxError
"
))
assert
.
Equal
(
t
,
fals
e
,
ok
)
assert
.
Equal
(
t
,
true
,
strings
.
Contains
(
err
.
Error
(),
"
invalid character 'h'
"
))
call
,
tx
=
callCodeTx
(
"test"
,
"hello"
,
`{"hello":"world"}`
)
_
,
err
=
e
.
callVM
(
"hello"
,
call
,
tx
,
0
,
nil
)
...
...
@@ -174,9 +180,81 @@ func TestCallError(t *testing.T) {
assert
.
Equal
(
t
,
true
,
strings
.
Contains
(
err
.
Error
(),
ptypes
.
ErrFuncNotFound
.
Error
()))
}
//数字非常大的数字的处理
func
TestBigInt
(
t
*
testing
.
T
)
{
dir
,
ldb
,
kvdb
:=
util
.
CreateTestDB
()
defer
util
.
CloseTestDB
(
dir
,
ldb
)
e
:=
initExec
(
ldb
,
kvdb
,
t
)
//test call error(invalid json input)
s
:=
fmt
.
Sprintf
(
`{"balance":%d,"balance1":%d,"balance2":%d,"balance3":%d}`
,
math
.
MaxInt64
,
math
.
MinInt64
,
9007199254740990
,
-
9007199254740990
)
call
,
tx
:=
callCodeTx
(
"test"
,
"hello"
,
s
)
data
,
err
:=
e
.
callVM
(
"exec"
,
call
,
tx
,
0
,
nil
)
assert
.
Nil
(
t
,
err
)
kvs
,
_
,
err
:=
parseJsReturn
(
data
)
assert
.
Nil
(
t
,
err
)
assert
.
Equal
(
t
,
`{"balance":"9223372036854775807","balance1":"-9223372036854775808","balance2":9007199254740990,"balance3":-9007199254740990}`
,
string
(
kvs
[
0
]
.
Value
))
}
func
BenchmarkBigInt
(
b
*
testing
.
B
)
{
dir
,
ldb
,
kvdb
:=
util
.
CreateTestDB
()
defer
util
.
CloseTestDB
(
dir
,
ldb
)
e
:=
initExec
(
ldb
,
kvdb
,
b
)
//test call error(invalid json input)
s
:=
fmt
.
Sprintf
(
`{"balance":%d,"balance1":%d,"balance2":%d,"balance3":%d}`
,
math
.
MaxInt64
,
math
.
MinInt64
,
9007199254740990
,
-
9007199254740990
)
call
,
tx
:=
callCodeTx
(
"test"
,
"hello"
,
s
)
b
.
StartTimer
()
for
i
:=
0
;
i
<
b
.
N
;
i
++
{
_
,
err
:=
e
.
callVM
(
"exec"
,
call
,
tx
,
0
,
nil
)
assert
.
Nil
(
b
,
err
)
}
}
func
TestRewriteJSON
(
t
*
testing
.
T
)
{
s
:=
fmt
.
Sprintf
(
`{"balance":%d,"balance1":%d,"balance2":%d,"balance3":%d}`
,
math
.
MaxInt64
,
math
.
MinInt64
,
9007199254740990
,
-
9007199254740990
)
quota
:=
fmt
.
Sprintf
(
`{"balance":"%d","balance1":"%d","balance2":%d,"balance3":%d}`
,
math
.
MaxInt64
,
math
.
MinInt64
,
9007199254740990
,
-
9007199254740990
)
data
,
err
:=
rewriteJSON
([]
byte
(
s
))
assert
.
Nil
(
t
,
err
)
assert
.
Equal
(
t
,
quota
,
string
(
data
))
data2
:=
make
(
map
[
string
]
interface
{})
data2
[
"ints"
]
=
[]
int64
{
math
.
MaxInt64
,
math
.
MinInt64
,
9007199254740990
,
-
9007199254740990
,
1
,
0
}
data2
[
"float"
]
=
[]
float64
{
1.1
,
1000000000000000000000000000
,
10000000000000000
}
json1
,
err
:=
json
.
Marshal
(
data2
)
assert
.
Nil
(
t
,
err
)
//assert.Equal(t, `{"float":[1.1,1100000000000000000000,-1100000000000000000000],"ints":[9223372036854775807,-9223372036854775808,9007199254740990,-9007199254740990,1,0]}`, string(json1))
json2
,
err
:=
rewriteJSON
(
json1
)
assert
.
Nil
(
t
,
err
)
assert
.
Equal
(
t
,
string
(
json2
),
`{"float":[1.1,1e+27,"10000000000000000"],"ints":["9223372036854775807","-9223372036854775808",9007199254740990,-9007199254740990,1,0]}`
)
}
func
TestCalcLocalPrefix
(
t
*
testing
.
T
)
{
assert
.
Equal
(
t
,
calcLocalPrefix
([]
byte
(
"a"
)),
[]
byte
(
"LODB-a-"
))
assert
.
Equal
(
t
,
calcStatePrefix
([]
byte
(
"a"
)),
[]
byte
(
"mavl-a-"
))
assert
.
Equal
(
t
,
calcCodeKey
(
"a"
),
[]
byte
(
"mavl-js-code-a"
))
assert
.
Equal
(
t
,
calcRollbackKey
([]
byte
(
"a"
)),
[]
byte
(
"LODB-js-rollback-a"
))
}
func
TestCacheMemUsage
(
t
*
testing
.
T
)
{
dir
,
ldb
,
kvdb
:=
util
.
CreateTestDB
()
defer
util
.
CloseTestDB
(
dir
,
ldb
)
e
:=
initExec
(
ldb
,
kvdb
,
t
)
vm
,
err
:=
e
.
createVM
(
"test"
,
nil
,
0
)
assert
.
Nil
(
t
,
err
)
vms
:=
make
([]
*
otto
.
Otto
,
1024
)
for
i
:=
0
;
i
<
1024
;
i
++
{
vms
[
i
]
=
vm
.
Copy
()
}
printMemUsage
()
}
func
printMemUsage
()
{
var
m
runtime
.
MemStats
runtime
.
ReadMemStats
(
&
m
)
fmt
.
Printf
(
"Alloc = %v MiB"
,
bToMb
(
m
.
Alloc
))
fmt
.
Printf
(
"
\t
TotalAlloc = %v MiB"
,
bToMb
(
m
.
TotalAlloc
))
fmt
.
Printf
(
"
\t
Sys = %v MiB"
,
bToMb
(
m
.
Sys
))
fmt
.
Printf
(
"
\t
NumGC = %v
\n
"
,
m
.
NumGC
)
}
func
bToMb
(
b
uint64
)
uint64
{
return
b
/
1024
/
1024
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment