Split and refactor ProofOfWork

src/cpp/ripple/ripple_IProofOfWorkFactory.h

@@ -0,0 +1,54 @@
+#ifndef RIPPLE_IPROOFOFWORKFACTORY_H
+#define RIPPLE_IPROOFOFWORKFACTORY_H
+
+enum POWResult
+{
+	powOK		= 0,
+	powREUSED	= 1, // already submitted
+	powBADNONCE	= 2, // you didn't solve it
+	powEXPIRED	= 3, // time is up
+	powCORRUPT	= 4,
+	powTOOEASY	= 5, // the difficulty increased too much while you solved it
+};
+
+// VFALCO: TODO move this to the class as a static member and rename it
+bool powResultInfo (POWResult powCode, std::string& strToken, std::string& strHuman);
+
+class IProofOfWorkFactory
+{
+public:
+	typedef boost::bimap< boost::bimaps::multiset_of<time_t>, boost::bimaps::unordered_set_of<uint256> > powMap_t;
+	typedef powMap_t::value_type	powMap_vt;
+
+public:
+    static IProofOfWorkFactory* New ();
+
+    virtual ~IProofOfWorkFactory () { }
+
+    // VFALCO: TODO which members can be const?
+
+	virtual ProofOfWork getProof () = 0;
+	
+    virtual POWResult checkProof (const std::string& token, const uint256& solution) = 0;
+	
+    virtual uint64 getDifficulty() = 0;
+
+    virtual void setDifficulty (int i) = 0;
+
+	virtual void loadHigh () = 0;
+	
+    virtual void loadLow () = 0;
+	
+    virtual void sweep () = 0;
+
+	virtual const uint256& getSecret () const = 0;
+
+	virtual void setSecret (const uint256& secret) = 0;
+
+public:
+	static int getPowEntry (const uint256& target, int iterations);
+};
+
+#endif
+
+// vim:ts=4