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all tests pass

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Brannon King 2019-12-06 12:14:12 -07:00 committed by Anthony Fieroni
parent d942ffa1f2
commit c5b96f99e3
1 changed files with 33 additions and 23 deletions
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56
src/claimtrie/trie.cpp
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@ -565,14 +565,18 @@ CUint256 CClaimTrieCacheBase::getMerkleHash()
bool CClaimTrieCacheBase::getLastTakeoverForName(const std::string& name, CUint160& claimId, int& takeoverHeight) const
{
auto query = db << "SELECT t.height, t.claimID FROM takeover t JOIN claims c "
"ON t.claimID = c.claimID AND c.expirationHeight > ?1 "
"WHERE t.name = ?2 ORDER BY t.height DESC LIMIT 1" << nNextHeight << name;
auto query = db << "SELECT t.height, t.claimID FROM takeover t "
"WHERE t.name = ?2 ORDER BY t.height DESC LIMIT 1" << nNextHeight << name;
auto it = query.begin();
if (it == query.end())
return false;
*it >> takeoverHeight >> claimId;
return !claimId.IsNull();
if (it != query.end()) {
std::unique_ptr<CUint160> claimIdOrNull;
*it >> takeoverHeight >> claimIdOrNull;
if (claimIdOrNull) {
claimId = *claimIdOrNull;
return true;
}
}
return false;
}
bool CClaimTrieCacheBase::addClaim(const std::string& name, const CTxOutPoint& outPoint, const CUint160& claimId,
@ -1153,8 +1157,11 @@ bool CClaimTrieCacheBase::incrementBlock()
// now that they're all in get the winner:
CUint160 existingID;
int existingHeight = 0;
auto hasBeenSetBefore = getLastTakeoverForName(nameWithTakeover, existingID, existingHeight);
auto takeoverHappening = !hasCandidate || (hasBeenSetBefore && existingID != candidateValue.claimId);
auto hasCurrentWinner = getLastTakeoverForName(nameWithTakeover, existingID, existingHeight);
// we have a takeover if we had a winner and its changing or we never had a winner
auto takeoverHappening = hasCandidate && hasCurrentWinner && existingID != candidateValue.claimId;
takeoverHappening |= !hasCandidate && hasCurrentWinner;
takeoverHappening |= hasCandidate && !hasCurrentWinner;
if (takeoverHappening && activateAllFor(nameWithTakeover))
hasCandidate = getInfoForName(nameWithTakeover, candidateValue, 1);
@ -1166,13 +1173,13 @@ bool CClaimTrieCacheBase::incrementBlock()
takeoverHappening |= wit != takeoverWorkarounds.end();
}
logPrint << "Takeover on " << nameWithTakeover << " at " << nNextHeight << ", happening: " << takeoverHappening << ", set before: " << hasBeenSetBefore << Clog::endl;
logPrint << "Takeover on " << nameWithTakeover << " at " << nNextHeight << ", happening: " << takeoverHappening << ", set before: " << hasCurrentWinner << Clog::endl;
if (takeoverHappening || !hasBeenSetBefore) {
if (takeoverHappening) {
if (hasCandidate)
db << "INSERT INTO takeover(name, height, claimID) VALUES(?, ?, ?)"
<< nameWithTakeover << nNextHeight << candidateValue.claimId;
else if (hasBeenSetBefore)
else
db << "INSERT INTO takeover(name, height, claimID) VALUES(?, ?, NULL)"
<< nameWithTakeover << nNextHeight;
}
@ -1202,18 +1209,21 @@ bool CClaimTrieCacheBase::decrementBlock()
nNextHeight--;
db << "INSERT INTO nodes(name) SELECT name FROM claims "
"WHERE expirationHeight = ?1 OR activationHeight = ?1 "
"UNION SELECT name FROM supports "
"WHERE expirationHeight = ?1 OR activationHeight = ?1 "
"ON CONFLICT(name) DO UPDATE SET hash = NULL"
<< nNextHeight;
db << "INSERT INTO nodes(name) SELECT nodeName FROM claims "
"WHERE expirationHeight = ? ON CONFLICT(name) DO UPDATE SET hash = NULL"
<< nNextHeight;
db << "UPDATE nodes SET hash = NULL WHERE name IN("
"SELECT nodeName FROM supports WHERE expirationHeight = ?1 "
"UNION SELECT nodeName FROM supports WHERE activationHeight = ?1 "
"UNION SELECT nodeName FROM claims WHERE activationHeight = ?1)"
<< nNextHeight;
db << "UPDATE claims SET activationHeight = validHeight WHERE activationHeight = ?"
<< nNextHeight;
<< nNextHeight;
db << "UPDATE supports SET activationHeight = validHeight WHERE activationHeight = ?"
<< nNextHeight;
<< nNextHeight;
return true;
}
@ -1234,8 +1244,8 @@ int CClaimTrieCacheBase::getDelayForName(const std::string& name, const CUint160
{
CUint160 winningClaimId;
int winningTakeoverHeight;
auto found = getLastTakeoverForName(name, winningClaimId, winningTakeoverHeight);
if (found && winningClaimId == claimId) {
auto hasCurrentWinner = getLastTakeoverForName(name, winningClaimId, winningTakeoverHeight);
if (hasCurrentWinner && winningClaimId == claimId) {
assert(winningTakeoverHeight <= nNextHeight);
return 0;
}
@ -1247,7 +1257,7 @@ int CClaimTrieCacheBase::getDelayForName(const std::string& name, const CUint160
removalWorkaround.erase(hit);
return 0;
}
return found ? std::min((nNextHeight - winningTakeoverHeight) / base->nProportionalDelayFactor, 4032) : 0;
return hasCurrentWinner ? std::min((nNextHeight - winningTakeoverHeight) / base->nProportionalDelayFactor, 4032) : 0;
}
std::string CClaimTrieCacheBase::adjustNameForValidHeight(const std::string& name, int validHeight) const