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-rw-r--r--src/test/mempool_tests.cpp124
-rw-r--r--src/test/miner_tests.cpp33
-rw-r--r--src/test/versionbits_tests.cpp316
3 files changed, 460 insertions, 13 deletions
diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp
index fa352ace8f..c8b43df26c 100644
--- a/src/test/mempool_tests.cpp
+++ b/src/test/mempool_tests.cpp
@@ -57,12 +57,12 @@ BOOST_AUTO_TEST_CASE(MempoolRemoveTest)
std::list<CTransaction> removed;
// Nothing in pool, remove should do nothing:
- testPool.remove(txParent, removed, true);
+ testPool.removeRecursive(txParent, removed);
BOOST_CHECK_EQUAL(removed.size(), 0);
// Just the parent:
testPool.addUnchecked(txParent.GetHash(), entry.FromTx(txParent));
- testPool.remove(txParent, removed, true);
+ testPool.removeRecursive(txParent, removed);
BOOST_CHECK_EQUAL(removed.size(), 1);
removed.clear();
@@ -74,16 +74,16 @@ BOOST_AUTO_TEST_CASE(MempoolRemoveTest)
testPool.addUnchecked(txGrandChild[i].GetHash(), entry.FromTx(txGrandChild[i]));
}
// Remove Child[0], GrandChild[0] should be removed:
- testPool.remove(txChild[0], removed, true);
+ testPool.removeRecursive(txChild[0], removed);
BOOST_CHECK_EQUAL(removed.size(), 2);
removed.clear();
// ... make sure grandchild and child are gone:
- testPool.remove(txGrandChild[0], removed, true);
+ testPool.removeRecursive(txGrandChild[0], removed);
BOOST_CHECK_EQUAL(removed.size(), 0);
- testPool.remove(txChild[0], removed, true);
+ testPool.removeRecursive(txChild[0], removed);
BOOST_CHECK_EQUAL(removed.size(), 0);
// Remove parent, all children/grandchildren should go:
- testPool.remove(txParent, removed, true);
+ testPool.removeRecursive(txParent, removed);
BOOST_CHECK_EQUAL(removed.size(), 5);
BOOST_CHECK_EQUAL(testPool.size(), 0);
removed.clear();
@@ -96,7 +96,7 @@ BOOST_AUTO_TEST_CASE(MempoolRemoveTest)
}
// Now remove the parent, as might happen if a block-re-org occurs but the parent cannot be
// put into the mempool (maybe because it is non-standard):
- testPool.remove(txParent, removed, true);
+ testPool.removeRecursive(txParent, removed);
BOOST_CHECK_EQUAL(removed.size(), 6);
BOOST_CHECK_EQUAL(testPool.size(), 0);
removed.clear();
@@ -281,11 +281,11 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
// Now try removing tx10 and verify the sort order returns to normal
std::list<CTransaction> removed;
- pool.remove(pool.mapTx.find(tx10.GetHash())->GetTx(), removed, true);
+ pool.removeRecursive(pool.mapTx.find(tx10.GetHash())->GetTx(), removed);
CheckSort<descendant_score>(pool, snapshotOrder);
- pool.remove(pool.mapTx.find(tx9.GetHash())->GetTx(), removed, true);
- pool.remove(pool.mapTx.find(tx8.GetHash())->GetTx(), removed, true);
+ pool.removeRecursive(pool.mapTx.find(tx9.GetHash())->GetTx(), removed);
+ pool.removeRecursive(pool.mapTx.find(tx8.GetHash())->GetTx(), removed);
/* Now check the sort on the mining score index.
* Final order should be:
*
@@ -317,6 +317,110 @@ BOOST_AUTO_TEST_CASE(MempoolIndexingTest)
CheckSort<mining_score>(pool, sortedOrder);
}
+BOOST_AUTO_TEST_CASE(MempoolAncestorIndexingTest)
+{
+ CTxMemPool pool(CFeeRate(0));
+ TestMemPoolEntryHelper entry;
+ entry.hadNoDependencies = true;
+
+ /* 3rd highest fee */
+ CMutableTransaction tx1 = CMutableTransaction();
+ tx1.vout.resize(1);
+ tx1.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx1.vout[0].nValue = 10 * COIN;
+ pool.addUnchecked(tx1.GetHash(), entry.Fee(10000LL).Priority(10.0).FromTx(tx1));
+
+ /* highest fee */
+ CMutableTransaction tx2 = CMutableTransaction();
+ tx2.vout.resize(1);
+ tx2.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx2.vout[0].nValue = 2 * COIN;
+ pool.addUnchecked(tx2.GetHash(), entry.Fee(20000LL).Priority(9.0).FromTx(tx2));
+ uint64_t tx2Size = ::GetSerializeSize(tx2, SER_NETWORK, PROTOCOL_VERSION);
+
+ /* lowest fee */
+ CMutableTransaction tx3 = CMutableTransaction();
+ tx3.vout.resize(1);
+ tx3.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx3.vout[0].nValue = 5 * COIN;
+ pool.addUnchecked(tx3.GetHash(), entry.Fee(0LL).Priority(100.0).FromTx(tx3));
+
+ /* 2nd highest fee */
+ CMutableTransaction tx4 = CMutableTransaction();
+ tx4.vout.resize(1);
+ tx4.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx4.vout[0].nValue = 6 * COIN;
+ pool.addUnchecked(tx4.GetHash(), entry.Fee(15000LL).Priority(1.0).FromTx(tx4));
+
+ /* equal fee rate to tx1, but newer */
+ CMutableTransaction tx5 = CMutableTransaction();
+ tx5.vout.resize(1);
+ tx5.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx5.vout[0].nValue = 11 * COIN;
+ pool.addUnchecked(tx5.GetHash(), entry.Fee(10000LL).FromTx(tx5));
+ BOOST_CHECK_EQUAL(pool.size(), 5);
+
+ std::vector<std::string> sortedOrder;
+ sortedOrder.resize(5);
+ sortedOrder[0] = tx2.GetHash().ToString(); // 20000
+ sortedOrder[1] = tx4.GetHash().ToString(); // 15000
+ // tx1 and tx5 are both 10000
+ // Ties are broken by hash, not timestamp, so determine which
+ // hash comes first.
+ if (tx1.GetHash() < tx5.GetHash()) {
+ sortedOrder[2] = tx1.GetHash().ToString();
+ sortedOrder[3] = tx5.GetHash().ToString();
+ } else {
+ sortedOrder[2] = tx5.GetHash().ToString();
+ sortedOrder[3] = tx1.GetHash().ToString();
+ }
+ sortedOrder[4] = tx3.GetHash().ToString(); // 0
+
+ CheckSort<ancestor_score>(pool, sortedOrder);
+
+ /* low fee parent with high fee child */
+ /* tx6 (0) -> tx7 (high) */
+ CMutableTransaction tx6 = CMutableTransaction();
+ tx6.vout.resize(1);
+ tx6.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx6.vout[0].nValue = 20 * COIN;
+ uint64_t tx6Size = ::GetSerializeSize(tx6, SER_NETWORK, PROTOCOL_VERSION);
+
+ pool.addUnchecked(tx6.GetHash(), entry.Fee(0LL).FromTx(tx6));
+ BOOST_CHECK_EQUAL(pool.size(), 6);
+ sortedOrder.push_back(tx6.GetHash().ToString());
+ CheckSort<ancestor_score>(pool, sortedOrder);
+
+ CMutableTransaction tx7 = CMutableTransaction();
+ tx7.vin.resize(1);
+ tx7.vin[0].prevout = COutPoint(tx6.GetHash(), 0);
+ tx7.vin[0].scriptSig = CScript() << OP_11;
+ tx7.vout.resize(1);
+ tx7.vout[0].scriptPubKey = CScript() << OP_11 << OP_EQUAL;
+ tx7.vout[0].nValue = 10 * COIN;
+ uint64_t tx7Size = ::GetSerializeSize(tx7, SER_NETWORK, PROTOCOL_VERSION);
+
+ /* set the fee to just below tx2's feerate when including ancestor */
+ CAmount fee = (20000/tx2Size)*(tx7Size + tx6Size) - 1;
+
+ //CTxMemPoolEntry entry7(tx7, fee, 2, 10.0, 1, true);
+ pool.addUnchecked(tx7.GetHash(), entry.Fee(fee).FromTx(tx7));
+ BOOST_CHECK_EQUAL(pool.size(), 7);
+ sortedOrder.insert(sortedOrder.begin()+1, tx7.GetHash().ToString());
+ CheckSort<ancestor_score>(pool, sortedOrder);
+
+ /* after tx6 is mined, tx7 should move up in the sort */
+ std::vector<CTransaction> vtx;
+ vtx.push_back(tx6);
+ std::list<CTransaction> dummy;
+ pool.removeForBlock(vtx, 1, dummy, false);
+
+ sortedOrder.erase(sortedOrder.begin()+1);
+ sortedOrder.pop_back();
+ sortedOrder.insert(sortedOrder.begin(), tx7.GetHash().ToString());
+ CheckSort<ancestor_score>(pool, sortedOrder);
+}
+
BOOST_AUTO_TEST_CASE(MempoolSizeLimitTest)
{
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index f3297e074d..ab6485081c 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -247,13 +247,40 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
// subsidy changing
int nHeight = chainActive.Height();
- chainActive.Tip()->nHeight = 209999;
+ // Create an actual 209999-long block chain (without valid blocks).
+ while (chainActive.Tip()->nHeight < 209999) {
+ CBlockIndex* prev = chainActive.Tip();
+ CBlockIndex* next = new CBlockIndex();
+ next->phashBlock = new uint256(GetRandHash());
+ pcoinsTip->SetBestBlock(next->GetBlockHash());
+ next->pprev = prev;
+ next->nHeight = prev->nHeight + 1;
+ next->BuildSkip();
+ chainActive.SetTip(next);
+ }
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
- chainActive.Tip()->nHeight = 210000;
+ // Extend to a 210000-long block chain.
+ while (chainActive.Tip()->nHeight < 210000) {
+ CBlockIndex* prev = chainActive.Tip();
+ CBlockIndex* next = new CBlockIndex();
+ next->phashBlock = new uint256(GetRandHash());
+ pcoinsTip->SetBestBlock(next->GetBlockHash());
+ next->pprev = prev;
+ next->nHeight = prev->nHeight + 1;
+ next->BuildSkip();
+ chainActive.SetTip(next);
+ }
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
- chainActive.Tip()->nHeight = nHeight;
+ // Delete the dummy blocks again.
+ while (chainActive.Tip()->nHeight > nHeight) {
+ CBlockIndex* del = chainActive.Tip();
+ chainActive.SetTip(del->pprev);
+ pcoinsTip->SetBestBlock(del->pprev->GetBlockHash());
+ delete del->phashBlock;
+ delete del;
+ }
// non-final txs in mempool
SetMockTime(chainActive.Tip()->GetMedianTimePast()+1);
diff --git a/src/test/versionbits_tests.cpp b/src/test/versionbits_tests.cpp
new file mode 100644
index 0000000000..1f86a06a3f
--- /dev/null
+++ b/src/test/versionbits_tests.cpp
@@ -0,0 +1,316 @@
+// 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 "chainparams.h"
+#include "main.h"
+#include "consensus/params.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;
+ }
+
+ CBlockIndex * Tip() { return vpblock.size() ? vpblock.back() : NULL; }
+};
+
+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();
+ }
+
+ // Sanity checks of version bit deployments
+ const Consensus::Params &mainnetParams = Params(CBaseChainParams::MAIN).GetConsensus();
+ for (int i=0; i<(int) Consensus::MAX_VERSION_BITS_DEPLOYMENTS; i++) {
+ uint32_t bitmask = VersionBitsMask(mainnetParams, (Consensus::DeploymentPos)i);
+ // Make sure that no deployment tries to set an invalid bit.
+ BOOST_CHECK_EQUAL(bitmask & ~(uint32_t)VERSIONBITS_TOP_MASK, bitmask);
+
+ // Verify that the deployment windows of different deployment using the
+ // same bit are disjoint.
+ // This test may need modification at such time as a new deployment
+ // is proposed that reuses the bit of an activated soft fork, before the
+ // end time of that soft fork. (Alternatively, the end time of that
+ // activated soft fork could be later changed to be earlier to avoid
+ // overlap.)
+ for (int j=i+1; j<(int) Consensus::MAX_VERSION_BITS_DEPLOYMENTS; j++) {
+ if (VersionBitsMask(mainnetParams, (Consensus::DeploymentPos)j) == bitmask) {
+ BOOST_CHECK(mainnetParams.vDeployments[j].nStartTime > mainnetParams.vDeployments[i].nTimeout ||
+ mainnetParams.vDeployments[i].nStartTime > mainnetParams.vDeployments[j].nTimeout);
+ }
+ }
+ }
+}
+
+BOOST_AUTO_TEST_CASE(versionbits_computeblockversion)
+{
+ // Check that ComputeBlockVersion will set the appropriate bit correctly
+ // on mainnet.
+ const Consensus::Params &mainnetParams = Params(CBaseChainParams::MAIN).GetConsensus();
+
+ // Use the TESTDUMMY deployment for testing purposes.
+ int64_t bit = mainnetParams.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit;
+ int64_t nStartTime = mainnetParams.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime;
+ int64_t nTimeout = mainnetParams.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout;
+
+ assert(nStartTime < nTimeout);
+
+ // In the first chain, test that the bit is set by CBV until it has failed.
+ // In the second chain, test the bit is set by CBV while STARTED and
+ // LOCKED-IN, and then no longer set while ACTIVE.
+ VersionBitsTester firstChain, secondChain;
+
+ // Start generating blocks before nStartTime
+ int64_t nTime = nStartTime - 1;
+
+ // Before MedianTimePast of the chain has crossed nStartTime, the bit
+ // should not be set.
+ CBlockIndex *lastBlock = NULL;
+ lastBlock = firstChain.Mine(2016, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit), 0);
+
+ // Mine 2011 more blocks at the old time, and check that CBV isn't setting the bit yet.
+ for (int i=1; i<2012; i++) {
+ lastBlock = firstChain.Mine(2016+i, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ // This works because VERSIONBITS_LAST_OLD_BLOCK_VERSION happens
+ // to be 4, and the bit we're testing happens to be bit 28.
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit), 0);
+ }
+ // Now mine 5 more blocks at the start time -- MTP should not have passed yet, so
+ // CBV should still not yet set the bit.
+ nTime = nStartTime;
+ for (int i=2012; i<=2016; i++) {
+ lastBlock = firstChain.Mine(2016+i, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit), 0);
+ }
+
+ // Advance to the next period and transition to STARTED,
+ lastBlock = firstChain.Mine(6048, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ // so ComputeBlockVersion should now set the bit,
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+ // and should also be using the VERSIONBITS_TOP_BITS.
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & VERSIONBITS_TOP_MASK, VERSIONBITS_TOP_BITS);
+
+ // Check that ComputeBlockVersion will set the bit until nTimeout
+ nTime += 600;
+ int blocksToMine = 4032; // test blocks for up to 2 time periods
+ int nHeight = 6048;
+ // These blocks are all before nTimeout is reached.
+ while (nTime < nTimeout && blocksToMine > 0) {
+ lastBlock = firstChain.Mine(nHeight+1, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & VERSIONBITS_TOP_MASK, VERSIONBITS_TOP_BITS);
+ blocksToMine--;
+ nTime += 600;
+ nHeight += 1;
+ };
+
+ nTime = nTimeout;
+ // FAILED is only triggered at the end of a period, so CBV should be setting
+ // the bit until the period transition.
+ for (int i=0; i<2015; i++) {
+ lastBlock = firstChain.Mine(nHeight+1, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+ nHeight += 1;
+ }
+ // The next block should trigger no longer setting the bit.
+ lastBlock = firstChain.Mine(nHeight+1, nTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit), 0);
+
+ // On a new chain:
+ // verify that the bit will be set after lock-in, and then stop being set
+ // after activation.
+ nTime = nStartTime;
+
+ // Mine one period worth of blocks, and check that the bit will be on for the
+ // next period.
+ lastBlock = secondChain.Mine(2016, nStartTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+
+ // Mine another period worth of blocks, signaling the new bit.
+ lastBlock = secondChain.Mine(4032, nStartTime, VERSIONBITS_TOP_BITS | (1<<bit)).Tip();
+ // After one period of setting the bit on each block, it should have locked in.
+ // We keep setting the bit for one more period though, until activation.
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+
+ // Now check that we keep mining the block until the end of this period, and
+ // then stop at the beginning of the next period.
+ lastBlock = secondChain.Mine(6047, nStartTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK((ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit)) != 0);
+ lastBlock = secondChain.Mine(6048, nStartTime, VERSIONBITS_LAST_OLD_BLOCK_VERSION).Tip();
+ BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & (1<<bit), 0);
+
+ // Finally, verify that after a soft fork has activated, CBV no longer uses
+ // VERSIONBITS_LAST_OLD_BLOCK_VERSION.
+ //BOOST_CHECK_EQUAL(ComputeBlockVersion(lastBlock, mainnetParams) & VERSIONBITS_TOP_MASK, VERSIONBITS_TOP_BITS);
+}
+
+
+BOOST_AUTO_TEST_SUITE_END()