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Ledger functions to handle transaction metadata.

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This commit is contained in:
JoelKatz
2012-09-12 18:40:16 -07:00
parent 1ba5b02f14
commit d2336e3eea
5 changed files with 66 additions and 4 deletions
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49
src/Ledger.cpp
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@@ -214,7 +214,18 @@ RippleState::pointer Ledger::accessRippleState(const uint256& uNode)
bool Ledger::addTransaction(const uint256& txID, const Serializer& txn)
{ // low-level - just add to table
SHAMapItem::pointer item = boost::make_shared<SHAMapItem>(txID, txn.peekData());
if (!mTransactionMap->addGiveItem(item, true, false)) // FIXME: TX metadata
if (!mTransactionMap->addGiveItem(item, true, false))
return false;
return true;
}
bool Ledger::addTransaction(const uint256& txID, const Serializer& txn, const Serializer& md)
{ // low-level - just add to table
Serializer s(txn.getDataLength() + md.getDataLength() + 64);
s.addVL(txn.peekData());
s.addVL(md.peekData());
SHAMapItem::pointer item = boost::make_shared<SHAMapItem>(txID, s.peekData());
if (!mTransactionMap->addGiveItem(item, true, true))
return false;
return true;
}
@@ -225,7 +236,8 @@ Transaction::pointer Ledger::getTransaction(const uint256& transID) const
if (!item) return Transaction::pointer();
Transaction::pointer txn = theApp->getMasterTransaction().fetch(transID, false);
if (txn) return txn;
if (txn)
return txn;
txn = Transaction::sharedTransaction(item->getData(), true);
if (txn->getStatus() == NEW)
@@ -235,6 +247,39 @@ Transaction::pointer Ledger::getTransaction(const uint256& transID) const
return txn;
}
bool Ledger::getTransaction(const uint256& txID, Transaction::pointer& txn, TransactionMetaSet::pointer& meta)
{
SHAMapTreeNode::TNType type;
SHAMapItem::pointer item = mTransactionMap->peekItem(txID, type);
if (!item)
return false;
if (type == SHAMapTreeNode::tnTRANSACTION_NM)
{ // in tree with no metadata
txn = theApp->getMasterTransaction().fetch(txID, false);
meta = TransactionMetaSet::pointer();
if (!txn)
txn = Transaction::sharedTransaction(item->getData(), true);
}
else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
{ // in tree with metadata
SerializerIterator it(item->getData());
txn = theApp->getMasterTransaction().fetch(txID, false);
if (!txn)
txn = Transaction::sharedTransaction(it.getVL(), true);
else
it.getVL(); // skip transaction
meta = boost::make_shared<TransactionMetaSet>(mLedgerSeq, it.getVL());
}
else
return false;
if (txn->getStatus() == NEW)
txn->setStatus(mClosed ? COMMITTED : INCLUDED, mLedgerSeq);
theApp->getMasterTransaction().canonicalize(txn, false);
return true;
}
bool Ledger::unitTest()
{
return true;