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typedef std::map<uint256, CCoins> to CCoinsMap

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This makes it possible to switch to a more efficient map type
without changing all occurences manually.

Merges half of #4413.
This commit is contained in:
Wladimir J. van der Laan
2014-06-25 13:45:29 +02:00
parent 8d9cc7d743
commit dd638dd712
4 changed files with 17 additions and 16 deletions
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16
src/coins.cpp
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@@ -55,7 +55,7 @@ bool CCoinsView::SetCoins(const uint256 &txid, const CCoins &coins) { return fal
bool CCoinsView::HaveCoins(const uint256 &txid) { return false; }
uint256 CCoinsView::GetBestBlock() { return uint256(0); }
bool CCoinsView::SetBestBlock(const uint256 &hashBlock) { return false; }
bool CCoinsView::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock) { return false; }
bool CCoinsView::BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock) { return false; }
bool CCoinsView::GetStats(CCoinsStats &stats) { return false; }
@@ -66,7 +66,7 @@ bool CCoinsViewBacked::HaveCoins(const uint256 &txid) { return base->HaveCoins(t
uint256 CCoinsViewBacked::GetBestBlock() { return base->GetBestBlock(); }
bool CCoinsViewBacked::SetBestBlock(const uint256 &hashBlock) { return base->SetBestBlock(hashBlock); }
void CCoinsViewBacked::SetBackend(CCoinsView &viewIn) { base = &viewIn; }
bool CCoinsViewBacked::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock) { return base->BatchWrite(mapCoins, hashBlock); }
bool CCoinsViewBacked::BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock) { return base->BatchWrite(mapCoins, hashBlock); }
bool CCoinsViewBacked::GetStats(CCoinsStats &stats) { return base->GetStats(stats); }
CCoinsViewCache::CCoinsViewCache(CCoinsView &baseIn, bool fDummy) : CCoinsViewBacked(baseIn), hashBlock(0) { }
@@ -83,20 +83,20 @@ bool CCoinsViewCache::GetCoins(const uint256 &txid, CCoins &coins) {
return false;
}
std::map<uint256,CCoins>::iterator CCoinsViewCache::FetchCoins(const uint256 &txid) {
std::map<uint256,CCoins>::iterator it = cacheCoins.lower_bound(txid);
CCoinsMap::iterator CCoinsViewCache::FetchCoins(const uint256 &txid) {
CCoinsMap::iterator it = cacheCoins.lower_bound(txid);
if (it != cacheCoins.end() && it->first == txid)
return it;
CCoins tmp;
if (!base->GetCoins(txid,tmp))
return cacheCoins.end();
std::map<uint256,CCoins>::iterator ret = cacheCoins.insert(it, std::make_pair(txid, CCoins()));
CCoinsMap::iterator ret = cacheCoins.insert(it, std::make_pair(txid, CCoins()));
tmp.swap(ret->second);
return ret;
}
CCoins &CCoinsViewCache::GetCoins(const uint256 &txid) {
std::map<uint256,CCoins>::iterator it = FetchCoins(txid);
CCoinsMap::iterator it = FetchCoins(txid);
assert(it != cacheCoins.end());
return it->second;
}
@@ -121,8 +121,8 @@ bool CCoinsViewCache::SetBestBlock(const uint256 &hashBlockIn) {
return true;
}
bool CCoinsViewCache::BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlockIn) {
for (std::map<uint256, CCoins>::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++)
bool CCoinsViewCache::BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlockIn) {
for (CCoinsMap::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++)
cacheCoins[it->first] = it->second;
hashBlock = hashBlockIn;
return true;