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worked around an off-by-1 issue on the normalization fork block

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Brannon King 2019-11-26 08:41:31 -07:00
parent 37d177178f
commit bf8cb69987
1 changed files with 12 additions and 5 deletions
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17
src/claimtrie.cpp
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@ -935,10 +935,14 @@ bool CClaimTrieCacheBase::remove(T& value, const std::string& name, const COutPo
nValidAtHeight = nHeight + getDelayForName(name);
std::string adjusted = adjustNameForValidHeight(name, nValidAtHeight);
if (removeFromQueue(adjusted, outPoint, value) || removeFromCache(name, outPoint, value, fCheckTakeover)) {
auto rfq = removeFromQueue(adjusted, outPoint, value);
if (rfq || removeFromCache(name, outPoint, value, fCheckTakeover)) {
int expirationHeight = value.nHeight + expirationTime();
if (auto itQueueRow = getExpirationQueueCacheRow<T>(expirationHeight, false))
if (auto itQueueRow = getExpirationQueueCacheRow<T>(expirationHeight, false)) {
eraseOutPoint(*itQueueRow, CNameOutPointType{adjusted, outPoint});
if (adjusted != name) // workaround for an off-by-1 error in normalization block (wherein we might get both):
eraseOutPoint(*itQueueRow, CNameOutPointType{name, outPoint});
}
nValidAtHeight = value.nValidAtHeight;
return true;
}
@ -1097,9 +1101,12 @@ void CClaimTrieCacheBase::undoIncrement(insertUndoType& insertUndo, std::vector<
if (auto itExpirationRow = getExpirationQueueCacheRow<T>(nNextHeight, false)) {
for (const auto& itEntry : *itExpirationRow) {
T value;
assert(removeFromCache(itEntry.name, itEntry.outPoint, value, true));
expireUndo.emplace_back(itEntry.name, value);
addTo(deleted, value);
if (removeFromCache(itEntry.name, itEntry.outPoint, value, true)) {
expireUndo.emplace_back(itEntry.name, value);
addTo(deleted, value);
}
else // a bug in the normalization stuff allows some of these to stick around after the claims were spent; don't crash
LogPrintf("Warning: missing expired entry %s, %s:%d\n", itEntry.name, itEntry.outPoint.hash.GetHex(), itEntry.outPoint.n);
}
itExpirationRow->clear();
}