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LedgerHistory.cpp

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+#include "LedgerHistory.h"
+#include "Config.h"
+
+/*
+Soon we should support saving the ledger in a real DB
+For now save them all in 
+*/
+
+void LedgerHistory::load()
+{
+
+}
+
+bool LedgerHistory::loadLedger(uint64 index)
+{
+	Ledger::pointer ledger(new Ledger(index));
+	if(ledger->load(theConfig.HISTORY_DIR))
+	{
+		mLedgers[index]=ledger;
+	}
+	return(false);
+}
+
+// this will see if the ledger is in memory
+// if not it will check disk and load it
+// if not it will return NULL
+Ledger::pointer LedgerHistory::getLedger(uint64 index)
+{
+	if(mLedgers.count(index))
+		return(mLedgers[index]);
+	if(loadLedger(index)) return(mLedgers[index]);
+	return(Ledger::pointer());
+}
+
+void LedgerHistory::addLedger(Ledger::pointer ledger)
+{
+	mLedgers[ledger->getIndex()]=ledger;
+	ledger->save(theConfig.HISTORY_DIR);
+}