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Merge pull request #5947

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36cba8f Alert if it is very likely we are getting a bad chain (Gavin Andresen)
This commit is contained in:
Wladimir J. van der Laan
2015-05-26 10:36:19 +02:00
parent e1412d3e96 36cba8f118
commit e9af4e65b5
4 changed files with 133 additions and 0 deletions
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64
src/test/alert_tests.cpp
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@@ -7,10 +7,13 @@
//
#include "alert.h"
#include "chain.h"
#include "chainparams.h"
#include "clientversion.h"
#include "data/alertTests.raw.h"
#include "chainparams.h"
#include "main.h"
#include "serialize.h"
#include "streams.h"
#include "util.h"
@@ -193,4 +196,65 @@ BOOST_AUTO_TEST_CASE(AlertNotify)
SetMockTime(0);
}
static bool falseFunc() { return false; }
BOOST_AUTO_TEST_CASE(PartitionAlert)
{
// Test PartitionCheck
CCriticalSection csDummy;
CChain chainDummy;
CBlockIndex indexDummy[100];
CChainParams& params = Params(CBaseChainParams::MAIN);
int64_t nPowTargetSpacing = params.GetConsensus().nPowTargetSpacing;
// Generate fake blockchain timestamps relative to
// an arbitrary time:
int64_t now = 1427379054;
SetMockTime(now);
for (int i = 0; i < 100; i++)
{
indexDummy[i].phashBlock = NULL;
if (i == 0) indexDummy[i].pprev = NULL;
else indexDummy[i].pprev = &indexDummy[i-1];
indexDummy[i].nHeight = i;
indexDummy[i].nTime = now - (100-i)*nPowTargetSpacing;
// Other members don't matter, the partition check code doesn't
// use them
}
chainDummy.SetTip(&indexDummy[99]);
// Test 1: chain with blocks every nPowTargetSpacing seconds,
// as normal, no worries:
PartitionCheck(falseFunc, csDummy, chainDummy, nPowTargetSpacing);
BOOST_CHECK(strMiscWarning.empty());
// Test 2: go 3.5 hours without a block, expect a warning:
now += 3*60*60+30*60;
SetMockTime(now);
PartitionCheck(falseFunc, csDummy, chainDummy, nPowTargetSpacing);
BOOST_CHECK(!strMiscWarning.empty());
BOOST_TEST_MESSAGE(std::string("Got alert text: ")+strMiscWarning);
strMiscWarning = "";
// Test 3: test the "partition alerts only go off once per day"
// code:
now += 60*10;
SetMockTime(now);
PartitionCheck(falseFunc, csDummy, chainDummy, nPowTargetSpacing);
BOOST_CHECK(strMiscWarning.empty());
// Test 4: get 2.5 times as many blocks as expected:
now += 60*60*24; // Pretend it is a day later
SetMockTime(now);
int64_t quickSpacing = nPowTargetSpacing*2/5;
for (int i = 0; i < 100; i++) // Tweak chain timestamps:
indexDummy[i].nTime = now - (100-i)*quickSpacing;
PartitionCheck(falseFunc, csDummy, chainDummy, nPowTargetSpacing);
BOOST_CHECK(!strMiscWarning.empty());
BOOST_TEST_MESSAGE(std::string("Got alert text: ")+strMiscWarning);
strMiscWarning = "";
SetMockTime(0);
}
BOOST_AUTO_TEST_SUITE_END()