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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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30a99393
编写于
6月 12, 2015
作者:
P
Péter Szilágyi
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电子邮件补丁
差异文件
eth/downloader: sanity test for multi peer syncs
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fc7abd98
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1
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+31
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eth/downloader/downloader_test.go
eth/downloader/downloader_test.go
+31
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eth/downloader/downloader_test.go
浏览文件 @
30a99393
...
...
@@ -309,6 +309,37 @@ func TestThrottling(t *testing.T) {
}
}
// Tests that synchronisation from multiple peers works as intended (multi thread sanity test).
func
TestMultiSynchronisation
(
t
*
testing
.
T
)
{
// Create various peers with various parts of the chain
targetPeers
:=
16
targetBlocks
:=
targetPeers
*
blockCacheLimit
-
15
hashes
:=
createHashes
(
targetBlocks
,
knownHash
)
blocks
:=
createBlocksFromHashes
(
hashes
)
tester
:=
newTester
()
for
i
:=
0
;
i
<
targetPeers
;
i
++
{
id
:=
fmt
.
Sprintf
(
"peer #%d"
,
i
)
tester
.
newPeer
(
id
,
hashes
[
i
*
blockCacheLimit
:
],
blocks
)
}
// Synchronise with the middle peer and make sure half of the blocks were retrieved
id
:=
fmt
.
Sprintf
(
"peer #%d"
,
targetPeers
/
2
)
if
err
:=
tester
.
sync
(
id
);
err
!=
nil
{
t
.
Fatalf
(
"failed to synchronise blocks: %v"
,
err
)
}
if
imported
:=
len
(
tester
.
ownBlocks
);
imported
!=
len
(
tester
.
peerHashes
[
id
])
{
t
.
Fatalf
(
"synchronised block mismatch: have %v, want %v"
,
imported
,
len
(
tester
.
peerHashes
[
id
]))
}
// Synchronise with the best peer and make sure everything is retrieved
if
err
:=
tester
.
sync
(
"peer #0"
);
err
!=
nil
{
t
.
Fatalf
(
"failed to synchronise blocks: %v"
,
err
)
}
if
imported
:=
len
(
tester
.
ownBlocks
);
imported
!=
targetBlocks
+
1
{
t
.
Fatalf
(
"synchronised block mismatch: have %v, want %v"
,
imported
,
targetBlocks
+
1
)
}
}
// Tests that if a peer returns an invalid chain with a block pointing to a non-
// existing parent, it is correctly detected and handled.
func
TestNonExistingParentAttack
(
t
*
testing
.
T
)
{
...
...
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