Ledger::pointer LedgerHistory::getLedgerBySeq (std::uint32_t index)
{
{
LedgersByHash::ScopedLockType sl (m_ledgers_by_hash.peekMutex ());
std::map <std::uint32_t, uint256>::iterator it (mLedgersByIndex.find (index));
if (it != mLedgersByIndex.end ())
{
uint256 hash = it->second;
sl.unlock ();
return getLedgerByHash (hash);
}
}
Ledger::pointer ret (Ledger::loadByIndex (index));
if (!ret)
return ret;
assert (ret->getLedgerSeq () == index);
{
// Add this ledger to the local tracking by index
LedgersByHash::ScopedLockType sl (m_ledgers_by_hash.peekMutex ());
assert (ret->isImmutable ());
m_ledgers_by_hash.canonicalize (ret->getHash (), ret);
mLedgersByIndex[ret->getLedgerSeq ()] = ret->getHash ();
return (ret->getLedgerSeq () == index) ? ret : Ledger::pointer ();
}
}
Ledger::pointer LedgerHistory::getLedgerBySeq (uint32 index)
{
TaggedCache::ScopedLockType sl (mLedgersByHash.peekMutex (), __FILE__, __LINE__);
std::map<uint32, uint256>::iterator it (mLedgersByIndex.find (index));
if (it != mLedgersByIndex.end ())
{
uint256 hash = it->second;
sl.unlock ();
return getLedgerByHash (hash);
}
sl.unlock ();
Ledger::pointer ret (Ledger::loadByIndex (index));
if (!ret)
return ret;
assert (ret->getLedgerSeq () == index);
sl.lock (__FILE__, __LINE__);
assert (ret->isImmutable ());
mLedgersByHash.canonicalize (ret->getHash (), ret);
mLedgersByIndex[ret->getLedgerSeq ()] = ret->getHash ();
return (ret->getLedgerSeq () == index) ? ret : Ledger::pointer ();
}
void LedgerHistory::addLedger (Ledger::pointer ledger, bool validated)
{
assert (ledger && ledger->isImmutable ());
assert (ledger->peekAccountStateMap ()->getHash ().isNonZero ());
TaggedCache::ScopedLockType sl (mLedgersByHash.peekMutex (), __FILE__, __LINE__);
mLedgersByHash.canonicalize (ledger->getHash(), ledger, true);
if (validated)
mLedgersByIndex[ledger->getLedgerSeq()] = ledger->getHash();
}
bool LedgerHistory::addLedger (Ledger::pointer ledger, bool validated)
{
assert (ledger && ledger->isImmutable ());
assert (ledger->peekAccountStateMap ()->getHash ().isNonZero ());
LedgersByHash::ScopedLockType sl (m_ledgers_by_hash.peekMutex ());
const bool alreadyHad = m_ledgers_by_hash.canonicalize (ledger->getHash(), ledger, true);
if (validated)
mLedgersByIndex[ledger->getLedgerSeq()] = ledger->getHash();
return alreadyHad;
}
Ledger::pointer LedgerHistory::getLedgerByHash (uint256 const& hash)
{
Ledger::pointer ret = m_ledgers_by_hash.fetch (hash);
if (ret)
{
assert (ret->isImmutable ());
assert (ret->getHash () == hash);
return ret;
}
ret = Ledger::loadByHash (hash);
if (!ret)
return ret;
assert (ret->isImmutable ());
assert (ret->getHash () == hash);
m_ledgers_by_hash.canonicalize (ret->getHash (), ret);
assert (ret->getHash () == hash);
return ret;
}
