diff options
Diffstat (limited to 'src/coins.cpp')
| -rw-r--r-- | src/coins.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/coins.cpp b/src/coins.cpp index 13a4ea95cd..fe40911db7 100644 --- a/src/coins.cpp +++ b/src/coins.cpp @@ -4,6 +4,8 @@ #include "coins.h" +#include "random.h" + #include <assert.h> // calculate number of bytes for the bitmask, and its number of non-zero bytes @@ -69,6 +71,8 @@ void CCoinsViewBacked::SetBackend(CCoinsView &viewIn) { base = &viewIn; } bool CCoinsViewBacked::BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock) { return base->BatchWrite(mapCoins, hashBlock); } bool CCoinsViewBacked::GetStats(CCoinsStats &stats) { return base->GetStats(stats); } +CCoinsKeyHasher::CCoinsKeyHasher() : salt(GetRandHash()) {} + CCoinsViewCache::CCoinsViewCache(CCoinsView &baseIn, bool fDummy) : CCoinsViewBacked(baseIn), hashBlock(0) { } bool CCoinsViewCache::GetCoins(const uint256 &txid, CCoins &coins) { @@ -84,8 +88,8 @@ bool CCoinsViewCache::GetCoins(const uint256 &txid, CCoins &coins) { } CCoinsMap::iterator CCoinsViewCache::FetchCoins(const uint256 &txid) { - CCoinsMap::iterator it = cacheCoins.lower_bound(txid); - if (it != cacheCoins.end() && it->first == txid) + CCoinsMap::iterator it = cacheCoins.find(txid); + if (it != cacheCoins.end()) return it; CCoins tmp; if (!base->GetCoins(txid,tmp)) @@ -107,7 +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() { |