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Use getSLEi to get an immutable SLE. This lets us cache them.

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This commit is contained in:
JoelKatz
2013-02-20 12:00:38 -08:00
parent ba37349b95
commit 25c52b1a4d
10 changed files with 35 additions and 13 deletions
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22
src/cpp/ripple/Ledger.cpp
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@@ -954,6 +954,22 @@ SLE::pointer Ledger::getSLE(const uint256& uHash)
return boost::make_shared<SLE>(node->peekSerializer(), node->getTag());
}
SLE::pointer Ledger::getSLEi(const uint256& uId)
{
uint256 hash;
SHAMapItem::pointer node = mAccountStateMap->peekItem(uId, hash);
if (!node)
return SLE::pointer();
SLE::pointer ret = theApp->getSLECache().fetch(hash);
if (!ret)
{
ret = boost::make_shared<SLE>(node->peekSerializer(), node->getTag());
theApp->getSLECache().canonicalize(hash, ret);
}
return ret;
}
uint256 Ledger::getFirstLedgerIndex()
{
SHAMapItem::pointer node = mAccountStateMap->peekFirstItem();
@@ -1179,7 +1195,7 @@ uint256 Ledger::getLedgerHash(uint32 ledgerIndex)
int diff = mLedgerSeq - ledgerIndex;
if (diff <= 256)
{
SLE::pointer hashIndex = getSLE(getLedgerHashIndex());
SLE::pointer hashIndex = getSLEi(getLedgerHashIndex());
if (hashIndex)
{
assert(hashIndex->getFieldU32(sfLastLedgerSequence) == (mLedgerSeq - 1));
@@ -1199,7 +1215,7 @@ uint256 Ledger::getLedgerHash(uint32 ledgerIndex)
}
// in skiplist
SLE::pointer hashIndex = getSLE(getLedgerHashIndex(ledgerIndex));
SLE::pointer hashIndex = getSLEi(getLedgerHashIndex(ledgerIndex));
if (hashIndex)
{
int lastSeq = hashIndex->getFieldU32(sfLastLedgerSequence);
@@ -1219,7 +1235,7 @@ uint256 Ledger::getLedgerHash(uint32 ledgerIndex)
std::vector< std::pair<uint32, uint256> > Ledger::getLedgerHashes()
{
std::vector< std::pair<uint32, uint256> > ret;
SLE::pointer hashIndex = getSLE(getLedgerHashIndex());
SLE::pointer hashIndex = getSLEi(getLedgerHashIndex());
if (hashIndex)
{
STVector256 vec = hashIndex->getFieldV256(sfHashes);