Commit e5d80b0f authored by lbrynaut's avatar lbrynaut
Browse files

Fix incorrect usage of the claim index so that we can properly

maintain state through re-orgs and delayed activation states.

Includes get_claim_by_id_test_2 and get_claim_by_id_test_3 written by
Kay.
parent 368a7389
......@@ -27,7 +27,7 @@ uint256 getValueHash(COutPoint outPoint, int nHeightOfLastTakeover)
txHasher.Write(outPoint.hash.begin(), outPoint.hash.size());
std::vector<unsigned char> vchtxHash(txHasher.OUTPUT_SIZE);
txHasher.Finalize(&(vchtxHash[0]));
CHash256 nOutHasher;
std::stringstream ss;
ss << outPoint.n;
......@@ -48,7 +48,7 @@ uint256 getValueHash(COutPoint outPoint, int nHeightOfLastTakeover)
hasher.Write(vchTakeoverHash.data(), vchTakeoverHash.size());
std::vector<unsigned char> vchHash(hasher.OUTPUT_SIZE);
hasher.Finalize(&(vchHash[0]));
uint256 valueHash(vchHash);
return valueHash;
}
......@@ -116,7 +116,7 @@ bool CClaimTrieNode::haveClaim(const COutPoint& outPoint) const
void CClaimTrieNode::reorderClaims(supportMapEntryType& supports)
{
std::vector<CClaimValue>::iterator itclaim;
for (itclaim = claims.begin(); itclaim != claims.end(); ++itclaim)
{
itclaim->nEffectiveAmount = itclaim->nAmount;
......@@ -133,7 +133,7 @@ void CClaimTrieNode::reorderClaims(supportMapEntryType& supports)
}
}
}
std::make_heap(claims.begin(), claims.end());
}
......@@ -606,12 +606,12 @@ void CClaimTrie::addToClaimIndex(const std::string& name, const CClaimValue& cla
{
CClaimIndexElement element = { name, claim };
LogPrintf("%s: ClaimIndex[%s] updated %s\n", __func__, claim.claimId.GetHex(), name);
db.Write(std::make_pair(CLAIM_BY_ID, claim.claimId), element);
}
void CClaimTrie::removeFromClaimIndex(const CClaimValue& claim)
{
LogPrintf("%s: ClaimIndex[%s] removed\n", __func__, claim.claimId.GetHex());
db.Erase(std::make_pair(CLAIM_BY_ID, claim.claimId));
}
......@@ -620,9 +620,14 @@ bool CClaimTrie::getClaimById(const uint160 claimId, std::string& name, CClaimVa
CClaimIndexElement element;
if (db.Read(std::make_pair(CLAIM_BY_ID, claimId), element))
{
name = element.name;
claim = element.claim;
return true;
if (element.claim.claimId == claimId) {
name = element.name;
claim = element.claim;
return true;
} else {
LogPrintf("%s: ClaimIndex[%s] returned unmatched claimId %s when looking for %s\n",
__func__, claimId.GetHex(), element.claim.claimId.GetHex(), name);
}
}
return false;
}
......@@ -1357,7 +1362,6 @@ bool CClaimTrieCache::insertClaimIntoTrie(const std::string& name, CClaimValue c
{
fChanged = true;
currentNode->insertClaim(claim);
base->addToClaimIndex(name, claim);
}
else
{
......@@ -1369,6 +1373,7 @@ bool CClaimTrieCache::insertClaimIntoTrie(const std::string& name, CClaimValue c
if (currentTop != currentNode->claims.front())
fChanged = true;
}
if (fChanged)
{
for (std::string::const_iterator itCur = name.begin(); itCur != name.end(); ++itCur)
......@@ -1432,8 +1437,6 @@ bool CClaimTrieCache::removeClaimFromTrie(const std::string& name, const COutPoi
CClaimValue currentTop = currentNode->claims.front();
success = currentNode->removeClaim(outPoint, claim);
base->removeFromClaimIndex(claim);
if (!currentNode->claims.empty())
{
supportMapEntryType node;
......@@ -1444,7 +1447,7 @@ bool CClaimTrieCache::removeClaimFromTrie(const std::string& name, const COutPoi
}
else
fChanged = true;
if (!success)
{
LogPrintf("%s: Removing a claim was unsuccessful. name = %s, txhash = %s, nOut = %d", __func__, name.c_str(), outPoint.hash.GetHex(), outPoint.n);
......@@ -1612,6 +1615,8 @@ bool CClaimTrieCache::undoSpendClaim(const std::string& name, const COutPoint& o
{
nameOutPointType entry(name, claim.outPoint);
addToExpirationQueue(claim.nHeight + base->nExpirationTime, entry);
CClaimIndexElement element = {name, claim};
claimsToAdd.push_back(element);
return insertClaimIntoTrie(name, claim, false);
}
else
......@@ -1630,7 +1635,8 @@ bool CClaimTrieCache::addClaimToQueues(const std::string& name, CClaimValue& cla
itQueueNameRow->second.push_back(outPointHeightType(claim.outPoint, claim.nValidAtHeight));
nameOutPointType expireEntry(name, claim.outPoint);
addToExpirationQueue(claim.nHeight + base->nExpirationTime, expireEntry);
base->addToClaimIndex(name, claim);
CClaimIndexElement element = {name, claim};
claimsToAdd.push_back(element);
return true;
}
......@@ -1669,8 +1675,6 @@ bool CClaimTrieCache::removeClaimFromQueue(const std::string& name, const COutPo
std::swap(claim, itQueue->second);
itQueueNameRow->second.erase(itQueueName);
itQueueRow->second.erase(itQueue);
base->removeFromClaimIndex(claim);
return true;
}
}
......@@ -1707,6 +1711,7 @@ bool CClaimTrieCache::removeClaim(const std::string& name, const COutPoint& outP
nValidAtHeight = claim.nValidAtHeight;
int expirationHeight = nHeight + base->nExpirationTime;
removeFromExpirationQueue(name, outPoint, expirationHeight);
claimsToDelete.insert(claim);
}
return removed;
}
......@@ -2154,6 +2159,7 @@ bool CClaimTrieCache::incrementBlock(insertUndoType& insertUndo, claimQueueRowTy
{
CClaimValue claim;
assert(removeClaimFromTrie(itEntry->name, itEntry->outPoint, claim, true));
claimsToDelete.insert(claim);
expireUndo.push_back(std::make_pair(itEntry->name, claim));
LogPrintf("Expiring claim %s: %s, nHeight: %d, nValidAtHeight: %d\n", claim.claimId.GetHex(), itEntry->name, claim.nHeight, claim.nValidAtHeight);
}
......@@ -2345,7 +2351,7 @@ bool CClaimTrieCache::incrementBlock(insertUndoType& insertUndo, claimQueueRowTy
// remove all supports from the queue for that name
itSupportQueueNameRow->second.clear();
}
// save the old last height so that it can be restored if the block is undone
if (haveClaimInTrie)
{
......@@ -2378,7 +2384,7 @@ bool CClaimTrieCache::decrementBlock(insertUndoType& insertUndo, claimQueueRowTy
{
LogPrintf("%s: nCurrentHeight (before decrement): %d\n", __func__, nCurrentHeight);
nCurrentHeight--;
if (expireSupportUndo.begin() != expireSupportUndo.end())
{
expirationQueueType::iterator itSupportExpireRow = getSupportExpirationQueueCacheRow(nCurrentHeight, true);
......@@ -2388,7 +2394,7 @@ bool CClaimTrieCache::decrementBlock(insertUndoType& insertUndo, claimQueueRowTy
itSupportExpireRow->second.push_back(nameOutPointType(itSupportExpireUndo->first, itSupportExpireUndo->second.outPoint));
}
}
for (insertUndoType::iterator itSupportUndo = insertSupportUndo.begin(); itSupportUndo != insertSupportUndo.end(); ++itSupportUndo)
{
supportQueueType::iterator itSupportRow = getSupportQueueCacheRow(itSupportUndo->nHeight, true);
......@@ -2398,13 +2404,15 @@ bool CClaimTrieCache::decrementBlock(insertUndoType& insertUndo, claimQueueRowTy
itSupportRow->second.push_back(std::make_pair(itSupportUndo->name, support));
itSupportNameRow->second.push_back(outPointHeightType(support.outPoint, support.nValidAtHeight));
}
if (expireUndo.begin() != expireUndo.end())
{
expirationQueueType::iterator itExpireRow = getExpirationQueueCacheRow(nCurrentHeight, true);
for (claimQueueRowType::iterator itExpireUndo = expireUndo.begin(); itExpireUndo != expireUndo.end(); ++itExpireUndo)
{
insertClaimIntoTrie(itExpireUndo->first, itExpireUndo->second, false);
CClaimIndexElement element = {itExpireUndo->first, itExpireUndo->second};
claimsToAdd.push_back(element);
itExpireRow->second.push_back(nameOutPointType(itExpireUndo->first, itExpireUndo->second.outPoint));
}
}
......@@ -2418,7 +2426,7 @@ bool CClaimTrieCache::decrementBlock(insertUndoType& insertUndo, claimQueueRowTy
itQueueRow->second.push_back(std::make_pair(itInsertUndo->name, claim));
itQueueNameRow->second.push_back(outPointHeightType(itInsertUndo->outPoint, itInsertUndo->nHeight));
}
for (std::vector<std::pair<std::string, int> >::iterator itTakeoverHeightUndo = takeoverHeightUndo.begin(); itTakeoverHeightUndo != takeoverHeightUndo.end(); ++itTakeoverHeightUndo)
{
cacheTakeoverHeights[itTakeoverHeightUndo->first] = itTakeoverHeightUndo->second;
......@@ -2531,6 +2539,18 @@ bool CClaimTrieCache::flush()
{
if (dirty())
getMerkleHash();
if (!claimsToDelete.empty()) {
for (claimIndexClaimListType::iterator it = claimsToDelete.begin(); it != claimsToDelete.end(); ++it)
base->removeFromClaimIndex(*it);
claimsToDelete.clear();
}
if (!claimsToAdd.empty()) {
for (claimIndexElementListType::iterator it = claimsToAdd.begin(); it != claimsToAdd.end(); ++it)
base->addToClaimIndex(it->name, it->claim);
claimsToAdd.clear();
}
bool success = base->update(cache, cacheHashes, cacheTakeoverHeights, getBestBlock(), claimQueueCache, claimQueueNameCache, expirationQueueCache, nCurrentHeight, supportCache, supportQueueCache, supportQueueNameCache, supportExpirationQueueCache);
if (success)
{
......
......@@ -283,6 +283,9 @@ typedef std::map<std::string, CClaimTrieNode*, nodenamecompare> nodeCacheType;
typedef std::map<std::string, uint256> hashMapType;
typedef std::set<CClaimValue> claimIndexClaimListType;
typedef std::vector<CClaimIndexElement> claimIndexElementListType;
struct claimsForNameType
{
std::vector<CClaimValue> claims;
......@@ -546,6 +549,8 @@ protected:
mutable std::map<std::string, int> cacheTakeoverHeights;
mutable int nCurrentHeight; // Height of the block that is being worked on, which is
// one greater than the height of the chain's tip
mutable claimIndexElementListType claimsToAdd;
mutable claimIndexClaimListType claimsToDelete;
uint256 hashBlock;
......
......@@ -3032,5 +3032,92 @@ BOOST_AUTO_TEST_CASE(bogus_claimtrie_hash_test)
delete pblockTemp;
}
/*
* tests for CClaimTrie::getClaimById basic consistency checks
*/
BOOST_AUTO_TEST_CASE(get_claim_by_id_test_2)
{
ClaimTrieChainFixture fixture;
const std::string name = "test";
CMutableTransaction tx1 = fixture.MakeClaim(fixture.GetCoinbase(), name, "one", 1);
uint160 claimId = ClaimIdHash(tx1.GetHash(), 0);
CMutableTransaction txx = fixture.MakeClaim(fixture.GetCoinbase(), name, "one", 1);
uint160 claimIdx = ClaimIdHash(txx.GetHash(), 0);
fixture.IncrementBlocks(1);
CClaimValue claimValue;
std::string claimName;
pclaimTrie->getClaimById(claimId, claimName, claimValue);
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId);
CMutableTransaction txa = fixture.Spend(tx1);
CMutableTransaction txb = fixture.Spend(txx);
fixture.IncrementBlocks(1);
BOOST_CHECK(!pclaimTrie->getClaimById(claimId, claimName, claimValue));
BOOST_CHECK(!pclaimTrie->getClaimById(claimIdx, claimName, claimValue));
fixture.DecrementBlocks(1);
pclaimTrie->getClaimById(claimId, claimName, claimValue);
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId);
// this test fails
pclaimTrie->getClaimById(claimIdx, claimName, claimValue);
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimIdx);
}
BOOST_AUTO_TEST_CASE(get_claim_by_id_test_3)
{
ClaimTrieChainFixture fixture;
pclaimTrie->setExpirationTime(5);
const std::string name = "test";
CMutableTransaction tx1 = fixture.MakeClaim(fixture.GetCoinbase(), name, "one", 1);
uint160 claimId = ClaimIdHash(tx1.GetHash(), 0);
fixture.IncrementBlocks(1);
CClaimValue claimValue;
std::string claimName;
pclaimTrie->getClaimById(claimId, claimName, claimValue);
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId);
// make second claim with activation delay 1
CMutableTransaction tx2 = fixture.MakeClaim(fixture.GetCoinbase(), name, "one", 2);
uint160 claimId2 = ClaimIdHash(tx2.GetHash(), 0);
fixture.IncrementBlocks(1);
// second claim is not activated yet, but can still access by claim id
BOOST_CHECK(is_best_claim(name, tx1));
BOOST_CHECK(pclaimTrie->getClaimById(claimId2, claimName, claimValue));
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId2);
fixture.IncrementBlocks(1);
// second claim has activated
BOOST_CHECK(is_best_claim(name, tx2));
BOOST_CHECK(pclaimTrie->getClaimById(claimId2, claimName, claimValue));
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId2);
fixture.DecrementBlocks(1);
// second claim has been deactivated via decrement
// should still be accesible via claim id
BOOST_CHECK(is_best_claim(name, tx1));
BOOST_CHECK(pclaimTrie->getClaimById(claimId2, claimName, claimValue));
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId2);
fixture.IncrementBlocks(1);
// second claim should have been re activated via increment
BOOST_CHECK(is_best_claim(name, tx2));
BOOST_CHECK(pclaimTrie->getClaimById(claimId2, claimName, claimValue));
BOOST_CHECK(claimName == name);
BOOST_CHECK(claimValue.claimId == claimId2);
}
BOOST_AUTO_TEST_SUITE_END()
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