Files
rippled/src/LedgerEntrySet.h
JoelKatz 1167ba2cc0 Set up for ledger diffs to populate the metadata.
Special case for unfunded offers -- need to know how much was taken before deletion
2012-07-28 14:49:34 -07:00

71 lines
2.2 KiB
C++

#ifndef __LEDGERENTRYSET__
#define __LEDGERENTRYSET__
#include <boost/unordered_map.hpp>
#include "SerializedLedger.h"
#include "TransactionMeta.h"
enum LedgerEntryAction
{
taaNONE,
taaCACHED, // Unmodified.
taaMODIFY, // Modifed, must have previously been taaCACHED.
taaDELETE, // Delete, must have previously been taaDELETE or taaMODIFY.
taaCREATE, // Newly created.
};
class LedgerEntrySetEntry
{
public:
SLE::pointer mEntry;
LedgerEntryAction mAction;
int mSeq;
LedgerEntrySetEntry(SLE::pointer e, LedgerEntryAction a, int s) : mEntry(e), mAction(a), mSeq(s) { ; }
};
class LedgerEntrySet
{
protected:
boost::unordered_map<uint256, LedgerEntrySetEntry> mEntries;
TransactionMetaSet mSet;
int mSeq;
LedgerEntrySet(const boost::unordered_map<uint256, LedgerEntrySetEntry> &e, TransactionMetaSet& s, int m) :
mEntries(e), mSet(s), mSeq(m) { ; }
public:
LedgerEntrySet() : mSeq(0) { ; }
// set functions
LedgerEntrySet duplicate(); // Make a duplicate of this set
void setTo(LedgerEntrySet&); // Set this set to have the same contents as another
void swapWith(LedgerEntrySet&); // Swap the contents of two sets
int getSeq() const { return mSeq; }
void bumpSeq() { ++mSeq; }
void init(const uint256& transactionID, uint32 ledgerID);
void clear();
// basic entry functions
SLE::pointer getEntry(const uint256& index, LedgerEntryAction&);
LedgerEntryAction hasEntry(const uint256& index) const;
void entryCache(SLE::pointer&); // Add this entry to the cache
void entryCreate(SLE::pointer&); // This entry will be created
void entryDelete(SLE::pointer&, bool unfunded);
void entryModify(SLE::pointer&); // This entry will be modified
// iterator functions
bool isEmpty() const { return mEntries.empty(); }
boost::unordered_map<uint256, LedgerEntrySetEntry>::const_iterator begin() const { return mEntries.begin(); }
boost::unordered_map<uint256, LedgerEntrySetEntry>::const_iterator end() const { return mEntries.end(); }
boost::unordered_map<uint256, LedgerEntrySetEntry>::iterator begin() { return mEntries.begin(); }
boost::unordered_map<uint256, LedgerEntrySetEntry>::iterator end() { return mEntries.end(); }
};
#endif
// vim:ts=4