You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
186 lines
8.1 KiB
186 lines
8.1 KiB
9 years ago
|
// Copyright (c) 2014-2015 The Bitcoin Core developers
|
||
|
|
// Distributed under the MIT software license, see the accompanying
|
||
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||
|
|
|
||
|
|
#include "chain.h"
|
||
|
|
#include "random.h"
|
||
|
|
#include "versionbits.h"
|
||
|
|
#include "test/test_bitcoin.h"
|
||
|
|
|
||
|
|
#include <boost/test/unit_test.hpp>
|
||
|
|
|
||
|
|
/* Define a virtual block time, one block per 10 minutes after Nov 14 2014, 0:55:36am */
|
||
|
|
int32_t TestTime(int nHeight) { return 1415926536 + 600 * nHeight; }
|
||
|
|
|
||
|
|
static const Consensus::Params paramsDummy = Consensus::Params();
|
||
|
|
|
||
|
|
class TestConditionChecker : public AbstractThresholdConditionChecker
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
mutable ThresholdConditionCache cache;
|
||
|
|
|
||
|
|
public:
|
||
|
|
int64_t BeginTime(const Consensus::Params& params) const { return TestTime(10000); }
|
||
|
|
int64_t EndTime(const Consensus::Params& params) const { return TestTime(20000); }
|
||
|
|
int Period(const Consensus::Params& params) const { return 1000; }
|
||
|
|
int Threshold(const Consensus::Params& params) const { return 900; }
|
||
|
|
bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const { return (pindex->nVersion & 0x100); }
|
||
|
|
|
||
|
|
ThresholdState GetStateFor(const CBlockIndex* pindexPrev) const { return AbstractThresholdConditionChecker::GetStateFor(pindexPrev, paramsDummy, cache); }
|
||
|
|
};
|
||
|
|
|
||
|
|
#define CHECKERS 6
|
||
|
|
|
||
|
|
class VersionBitsTester
|
||
|
|
{
|
||
|
|
// A fake blockchain
|
||
|
|
std::vector<CBlockIndex*> vpblock;
|
||
|
|
|
||
|
|
// 6 independent checkers for the same bit.
|
||
|
|
// The first one performs all checks, the second only 50%, the third only 25%, etc...
|
||
|
|
// This is to test whether lack of cached information leads to the same results.
|
||
|
|
TestConditionChecker checker[CHECKERS];
|
||
|
|
|
||
|
|
// Test counter (to identify failures)
|
||
|
|
int num;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VersionBitsTester() : num(0) {}
|
||
|
|
|
||
|
|
VersionBitsTester& Reset() {
|
||
|
|
for (unsigned int i = 0; i < vpblock.size(); i++) {
|
||
|
|
delete vpblock[i];
|
||
|
|
}
|
||
|
|
for (unsigned int i = 0; i < CHECKERS; i++) {
|
||
|
|
checker[i] = TestConditionChecker();
|
||
|
|
}
|
||
|
|
vpblock.clear();
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
~VersionBitsTester() {
|
||
|
|
Reset();
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& Mine(unsigned int height, int32_t nTime, int32_t nVersion) {
|
||
|
|
while (vpblock.size() < height) {
|
||
|
|
CBlockIndex* pindex = new CBlockIndex();
|
||
|
|
pindex->nHeight = vpblock.size();
|
||
|
|
pindex->pprev = vpblock.size() > 0 ? vpblock.back() : NULL;
|
||
|
|
pindex->nTime = nTime;
|
||
|
|
pindex->nVersion = nVersion;
|
||
|
|
pindex->BuildSkip();
|
||
|
|
vpblock.push_back(pindex);
|
||
|
|
}
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& TestDefined() {
|
||
|
|
for (int i = 0; i < CHECKERS; i++) {
|
||
|
|
if ((insecure_rand() & ((1 << i) - 1)) == 0) {
|
||
|
|
BOOST_CHECK_MESSAGE(checker[i].GetStateFor(vpblock.empty() ? NULL : vpblock.back()) == THRESHOLD_DEFINED, strprintf("Test %i for DEFINED", num));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& TestStarted() {
|
||
|
|
for (int i = 0; i < CHECKERS; i++) {
|
||
|
|
if ((insecure_rand() & ((1 << i) - 1)) == 0) {
|
||
|
|
BOOST_CHECK_MESSAGE(checker[i].GetStateFor(vpblock.empty() ? NULL : vpblock.back()) == THRESHOLD_STARTED, strprintf("Test %i for STARTED", num));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& TestLockedIn() {
|
||
|
|
for (int i = 0; i < CHECKERS; i++) {
|
||
|
|
if ((insecure_rand() & ((1 << i) - 1)) == 0) {
|
||
|
|
BOOST_CHECK_MESSAGE(checker[i].GetStateFor(vpblock.empty() ? NULL : vpblock.back()) == THRESHOLD_LOCKED_IN, strprintf("Test %i for LOCKED_IN", num));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& TestActive() {
|
||
|
|
for (int i = 0; i < CHECKERS; i++) {
|
||
|
|
if ((insecure_rand() & ((1 << i) - 1)) == 0) {
|
||
|
|
BOOST_CHECK_MESSAGE(checker[i].GetStateFor(vpblock.empty() ? NULL : vpblock.back()) == THRESHOLD_ACTIVE, strprintf("Test %i for ACTIVE", num));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
|
||
|
|
VersionBitsTester& TestFailed() {
|
||
|
|
for (int i = 0; i < CHECKERS; i++) {
|
||
|
|
if ((insecure_rand() & ((1 << i) - 1)) == 0) {
|
||
|
|
BOOST_CHECK_MESSAGE(checker[i].GetStateFor(vpblock.empty() ? NULL : vpblock.back()) == THRESHOLD_FAILED, strprintf("Test %i for FAILED", num));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num++;
|
||
|
|
return *this;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_FIXTURE_TEST_SUITE(versionbits_tests, TestingSetup)
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_CASE(versionbits_test)
|
||
|
|
{
|
||
|
|
for (int i = 0; i < 64; i++) {
|
||
|
|
// DEFINED -> FAILED
|
||
|
|
VersionBitsTester().TestDefined()
|
||
|
|
.Mine(1, TestTime(1), 0x100).TestDefined()
|
||
|
|
.Mine(11, TestTime(11), 0x100).TestDefined()
|
||
|
|
.Mine(989, TestTime(989), 0x100).TestDefined()
|
||
|
|
.Mine(999, TestTime(20000), 0x100).TestDefined()
|
||
|
|
.Mine(1000, TestTime(20000), 0x100).TestFailed()
|
||
|
|
.Mine(1999, TestTime(30001), 0x100).TestFailed()
|
||
|
|
.Mine(2000, TestTime(30002), 0x100).TestFailed()
|
||
|
|
.Mine(2001, TestTime(30003), 0x100).TestFailed()
|
||
|
|
.Mine(2999, TestTime(30004), 0x100).TestFailed()
|
||
|
|
.Mine(3000, TestTime(30005), 0x100).TestFailed()
|
||
|
|
|
||
|
|
// DEFINED -> STARTED -> FAILED
|
||
|
|
.Reset().TestDefined()
|
||
|
|
.Mine(1, TestTime(1), 0).TestDefined()
|
||
|
|
.Mine(1000, TestTime(10000) - 1, 0x100).TestDefined() // One second more and it would be defined
|
||
|
|
.Mine(2000, TestTime(10000), 0x100).TestStarted() // So that's what happens the next period
|
||
|
|
.Mine(2051, TestTime(10010), 0).TestStarted() // 51 old blocks
|
||
|
|
.Mine(2950, TestTime(10020), 0x100).TestStarted() // 899 new blocks
|
||
|
|
.Mine(3000, TestTime(20000), 0).TestFailed() // 50 old blocks (so 899 out of the past 1000)
|
||
|
|
.Mine(4000, TestTime(20010), 0x100).TestFailed()
|
||
|
|
|
||
|
|
// DEFINED -> STARTED -> FAILED while threshold reached
|
||
|
|
.Reset().TestDefined()
|
||
|
|
.Mine(1, TestTime(1), 0).TestDefined()
|
||
|
|
.Mine(1000, TestTime(10000) - 1, 0x101).TestDefined() // One second more and it would be defined
|
||
|
|
.Mine(2000, TestTime(10000), 0x101).TestStarted() // So that's what happens the next period
|
||
|
|
.Mine(2999, TestTime(30000), 0x100).TestStarted() // 999 new blocks
|
||
|
|
.Mine(3000, TestTime(30000), 0x100).TestFailed() // 1 new block (so 1000 out of the past 1000 are new)
|
||
|
|
.Mine(3999, TestTime(30001), 0).TestFailed()
|
||
|
|
.Mine(4000, TestTime(30002), 0).TestFailed()
|
||
|
|
.Mine(14333, TestTime(30003), 0).TestFailed()
|
||
|
|
.Mine(24000, TestTime(40000), 0).TestFailed()
|
||
|
|
|
||
|
|
// DEFINED -> STARTED -> LOCKEDIN at the last minute -> ACTIVE
|
||
|
|
.Reset().TestDefined()
|
||
|
|
.Mine(1, TestTime(1), 0).TestDefined()
|
||
|
|
.Mine(1000, TestTime(10000) - 1, 0x101).TestDefined() // One second more and it would be defined
|
||
|
|
.Mine(2000, TestTime(10000), 0x101).TestStarted() // So that's what happens the next period
|
||
|
|
.Mine(2050, TestTime(10010), 0x200).TestStarted() // 50 old blocks
|
||
|
|
.Mine(2950, TestTime(10020), 0x100).TestStarted() // 900 new blocks
|
||
|
|
.Mine(2999, TestTime(19999), 0x200).TestStarted() // 49 old blocks
|
||
|
|
.Mine(3000, TestTime(29999), 0x200).TestLockedIn() // 1 old block (so 900 out of the past 1000)
|
||
|
|
.Mine(3999, TestTime(30001), 0).TestLockedIn()
|
||
|
|
.Mine(4000, TestTime(30002), 0).TestActive()
|
||
|
|
.Mine(14333, TestTime(30003), 0).TestActive()
|
||
|
|
.Mine(24000, TestTime(40000), 0).TestActive();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_SUITE_END()
|