diff options
Diffstat (limited to 'src/main.h')
| -rw-r--r-- | src/main.h | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/src/main.h b/src/main.h index 4a217d1746..c1af0c3706 100644 --- a/src/main.h +++ b/src/main.h @@ -909,6 +909,15 @@ public: void Cleanup() { while (vout.size() > 0 && vout.back().IsNull()) vout.pop_back(); + if (vout.empty()) + std::vector<CTxOut>().swap(vout); + } + + void swap(CCoins &to) { + std::swap(to.fCoinBase, fCoinBase); + to.vout.swap(vout); + std::swap(to.nHeight, nHeight); + std::swap(to.nVersion, nVersion); } // equality test @@ -2109,14 +2118,14 @@ class CCoinsView { public: // Retrieve the CCoins (unspent transaction outputs) for a given txid - virtual bool GetCoins(uint256 txid, CCoins &coins); + virtual bool GetCoins(const uint256 &txid, CCoins &coins); // Modify the CCoins for a given txid - virtual bool SetCoins(uint256 txid, const CCoins &coins); + virtual bool SetCoins(const uint256 &txid, const CCoins &coins); // Just check whether we have data for a given txid. // This may (but cannot always) return true for fully spent transactions - virtual bool HaveCoins(uint256 txid); + virtual bool HaveCoins(const uint256 &txid); // Retrieve the block index whose state this CCoinsView currently represents virtual CBlockIndex *GetBestBlock(); @@ -2142,9 +2151,9 @@ protected: public: CCoinsViewBacked(CCoinsView &viewIn); - bool GetCoins(uint256 txid, CCoins &coins); - bool SetCoins(uint256 txid, const CCoins &coins); - bool HaveCoins(uint256 txid); + bool GetCoins(const uint256 &txid, CCoins &coins); + bool SetCoins(const uint256 &txid, const CCoins &coins); + bool HaveCoins(const uint256 &txid); CBlockIndex *GetBestBlock(); bool SetBestBlock(CBlockIndex *pindex); void SetBackend(CCoinsView &viewIn); @@ -2163,9 +2172,9 @@ public: CCoinsViewCache(CCoinsView &baseIn, bool fDummy = false); // Standard CCoinsView methods - bool GetCoins(uint256 txid, CCoins &coins); - bool SetCoins(uint256 txid, const CCoins &coins); - bool HaveCoins(uint256 txid); + bool GetCoins(const uint256 &txid, CCoins &coins); + bool SetCoins(const uint256 &txid, const CCoins &coins); + bool HaveCoins(const uint256 &txid); CBlockIndex *GetBestBlock(); bool SetBestBlock(CBlockIndex *pindex); bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockIndex *pindex); @@ -2173,7 +2182,7 @@ public: // Return a modifiable reference to a CCoins. Check HaveCoins first. // Many methods explicitly require a CCoinsViewCache because of this method, to reduce // copying. - CCoins &GetCoins(uint256 txid); + CCoins &GetCoins(const uint256 &txid); // Push the modifications applied to this cache to its base. // Failure to call this method before destruction will cause the changes to be forgotten. @@ -2183,7 +2192,7 @@ public: unsigned int GetCacheSize(); private: - std::map<uint256,CCoins>::iterator FetchCoins(uint256 txid); + std::map<uint256,CCoins>::iterator FetchCoins(const uint256 &txid); }; /** CCoinsView that brings transactions from a memorypool into view. @@ -2195,8 +2204,8 @@ protected: public: CCoinsViewMemPool(CCoinsView &baseIn, CTxMemPool &mempoolIn); - bool GetCoins(uint256 txid, CCoins &coins); - bool HaveCoins(uint256 txid); + bool GetCoins(const uint256 &txid, CCoins &coins); + bool HaveCoins(const uint256 &txid); }; /** Global variable that points to the active CCoinsView (protected by cs_main) */ |