bool CheckDiskSpace(uint64_t nAdditionalBytes=0);
FILE* OpenBlockFile(unsigned int nFile, unsigned int nBlockPos, const char* pszMode="rb");
FILE* AppendBlockFile(unsigned int& nFileRet);
+
+void UnloadBlockIndex();
bool LoadBlockIndex(bool fAllowNew=true);
void PrintBlockTree();
CBlockIndex* FindBlockByHeight(int nHeight);
bool CheckBlock(bool fCheckPOW=true, bool fCheckMerkleRoot=true, bool fCheckSig=true) const;
bool AcceptBlock();
bool GetCoinAge(uint64_t& nCoinAge) const; // ppcoin: calculate total coin age spent in block
- bool SignBlock(CWallet& keystore);
bool CheckBlockSignature() const;
private: