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Merge pull request #4505

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d4d3fbd Do not flush the cache after every block outside of IBD (Pieter Wuille)
This commit is contained in:
Wladimir J. van der Laan 2014-07-15 09:13:49 +02:00
commit 2c0f019bfc
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2 changed files with 7 additions and 2 deletions
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7
src/coins.cpp
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@ -111,7 +111,12 @@ bool CCoinsViewCache::SetCoins(const uint256 &txid, const CCoins &coins) {
}
bool CCoinsViewCache::HaveCoins(const uint256 &txid) {
return FetchCoins(txid) != cacheCoins.end();
CCoinsMap::iterator it = FetchCoins(txid);
// We're using vtx.empty() instead of IsPruned here for performance reasons,
// as we only care about the case where an transaction was replaced entirely
// in a reorganization (which wipes vout entirely, as opposed to spending
// which just cleans individual outputs).
return (it != cacheCoins.end() && !it->second.vout.empty());
}
uint256 CCoinsViewCache::GetBestBlock() {

2
src/main.cpp
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@ -1918,7 +1918,7 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
// Update the on-disk chain state.
bool static WriteChainState(CValidationState &state) {
static int64_t nLastWrite = 0;
if (!IsInitialBlockDownload() || pcoinsTip->GetCacheSize() > nCoinCacheSize || GetTimeMicros() > nLastWrite + 600*1000000) {
if (pcoinsTip->GetCacheSize() > nCoinCacheSize || (!IsInitialBlockDownload() && GetTimeMicros() > nLastWrite + 600*1000000)) {
// Typical CCoins structures on disk are around 100 bytes in size.
// Pushing a new one to the database can cause it to be written
// twice (once in the log, and once in the tables). This is already