Files
xahaud/src/cpp/ripple/LedgerMaster.h

106 lines
3.0 KiB
C++

#ifndef __LEDGERMASTER__
#define __LEDGERMASTER__
#include "Ledger.h"
#include "LedgerHistory.h"
#include "Peer.h"
#include "types.h"
#include "LedgerAcquire.h"
#include "Transaction.h"
#include "TransactionEngine.h"
#include "RangeSet.h"
#include "CanonicalTXSet.h"
// Tracks the current ledger and any ledgers in the process of closing
// Tracks ledger history
// Tracks held transactions
class LedgerMaster
{
boost::recursive_mutex mLock;
TransactionEngine mEngine;
Ledger::pointer mCurrentLedger; // The ledger we are currently processiong
Ledger::pointer mFinalizedLedger; // The ledger that most recently closed
LedgerHistory mLedgerHistory;
CanonicalTXSet mHeldTransactions;
RangeSet mCompleteLedgers;
LedgerAcquire::pointer mMissingLedger;
uint32 mMissingSeq;
bool mTooFast; // We are acquiring faster than we're writing
void applyFutureTransactions(uint32 ledgerIndex);
bool isValidTransaction(const Transaction::pointer& trans);
bool isTransactionOnFutureList(const Transaction::pointer& trans);
void acquireMissingLedger(const uint256& ledgerHash, uint32 ledgerSeq);
void missingAcquireComplete(LedgerAcquire::pointer);
public:
LedgerMaster() : mHeldTransactions(uint256()), mMissingSeq(0), mTooFast(false) { ; }
uint32 getCurrentLedgerIndex();
ScopedLock getLock() { return ScopedLock(mLock); }
// The current ledger is the ledger we believe new transactions should go in
Ledger::pointer getCurrentLedger() { return mCurrentLedger; }
// The finalized ledger is the last closed/accepted ledger
Ledger::pointer getClosedLedger() { return mFinalizedLedger; }
TER doTransaction(const SerializedTransaction& txn, TransactionEngineParams params);
void pushLedger(Ledger::ref newLedger);
void pushLedger(Ledger::ref newLCL, Ledger::ref newOL, bool fromConsensus);
void storeLedger(Ledger::ref);
void setFullLedger(Ledger::ref ledger);
void switchLedgers(Ledger::ref lastClosed, Ledger::ref newCurrent);
std::string getCompleteLedgers() { return mCompleteLedgers.toString(); }
Ledger::pointer closeLedger(bool recoverHeldTransactions);
Ledger::pointer getLedgerBySeq(uint32 index)
{
if (mCurrentLedger && (mCurrentLedger->getLedgerSeq() == index))
return mCurrentLedger;
if (mFinalizedLedger && (mFinalizedLedger->getLedgerSeq() == index))
return mFinalizedLedger;
return mLedgerHistory.getLedgerBySeq(index);
}
Ledger::pointer getLedgerByHash(const uint256& hash)
{
if (hash.isZero())
return mCurrentLedger;
if (mCurrentLedger && (mCurrentLedger->getHash() == hash))
return mCurrentLedger;
if (mFinalizedLedger && (mFinalizedLedger->getHash() == hash))
return mFinalizedLedger;
return mLedgerHistory.getLedgerByHash(hash);
}
void setLedgerRangePresent(uint32 minV, uint32 maxV) { mCompleteLedgers.setRange(minV, maxV); }
void addHeldTransaction(const Transaction::pointer& trans);
bool haveLedgerRange(uint32 from, uint32 to);
void resumeAcquiring();
void sweep(void) { mLedgerHistory.sweep(); }
};
#endif
// vim:ts=4