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367f12f7
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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
未验证
提交
367f12f7
编写于
9月 09, 2020
作者:
P
Péter Szilágyi
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
eth/downloader: only roll back light sync if not fully validating
上级
8d35b1eb
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
12 addition
and
11 deletion
+12
-11
eth/downloader/downloader.go
eth/downloader/downloader.go
+9
-7
eth/downloader/downloader_test.go
eth/downloader/downloader_test.go
+3
-4
未找到文件。
eth/downloader/downloader.go
浏览文件 @
367f12f7
...
...
@@ -1501,18 +1501,20 @@ func (d *Downloader) processHeaders(origin uint64, pivot uint64, td *big.Int) er
rollbackErr
=
err
// If some headers were inserted, track them as uncertain
if
n
>
0
&&
rollback
==
0
{
if
(
mode
==
FastSync
||
frequency
>
1
)
&&
n
>
0
&&
rollback
==
0
{
rollback
=
chunk
[
0
]
.
Number
.
Uint64
()
}
log
.
Debug
(
"Invalid header encountered"
,
"number"
,
chunk
[
n
]
.
Number
,
"hash"
,
chunk
[
n
]
.
Hash
(),
"parent"
,
chunk
[
n
]
.
ParentHash
,
"err"
,
err
)
log
.
Warn
(
"Invalid header encountered"
,
"number"
,
chunk
[
n
]
.
Number
,
"hash"
,
chunk
[
n
]
.
Hash
(),
"parent"
,
chunk
[
n
]
.
ParentHash
,
"err"
,
err
)
return
fmt
.
Errorf
(
"%w: %v"
,
errInvalidChain
,
err
)
}
// All verifications passed, track all headers within the alloted limits
head
:=
chunk
[
len
(
chunk
)
-
1
]
.
Number
.
Uint64
()
if
head
-
rollback
>
uint64
(
fsHeaderSafetyNet
)
{
rollback
=
head
-
uint64
(
fsHeaderSafetyNet
)
}
else
{
rollback
=
1
if
mode
==
FastSync
{
head
:=
chunk
[
len
(
chunk
)
-
1
]
.
Number
.
Uint64
()
if
head
-
rollback
>
uint64
(
fsHeaderSafetyNet
)
{
rollback
=
head
-
uint64
(
fsHeaderSafetyNet
)
}
else
{
rollback
=
1
}
}
}
// Unless we're doing light chains, schedule the headers for associated content retrieval
...
...
eth/downloader/downloader_test.go
浏览文件 @
367f12f7
...
...
@@ -1020,10 +1020,9 @@ func testShiftedHeaderAttack(t *testing.T, protocol int, mode SyncMode) {
// Tests that upon detecting an invalid header, the recent ones are rolled back
// for various failure scenarios. Afterwards a full sync is attempted to make
// sure no state was corrupted.
func
TestInvalidHeaderRollback63Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
63
,
FastSync
)
}
func
TestInvalidHeaderRollback64Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
64
,
FastSync
)
}
func
TestInvalidHeaderRollback65Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
65
,
FastSync
)
}
func
TestInvalidHeaderRollback65Light
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
65
,
LightSync
)
}
func
TestInvalidHeaderRollback63Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
63
,
FastSync
)
}
func
TestInvalidHeaderRollback64Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
64
,
FastSync
)
}
func
TestInvalidHeaderRollback65Fast
(
t
*
testing
.
T
)
{
testInvalidHeaderRollback
(
t
,
65
,
FastSync
)
}
func
testInvalidHeaderRollback
(
t
*
testing
.
T
,
protocol
int
,
mode
SyncMode
)
{
t
.
Parallel
()
...
...
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