typedef std::map<uint256, CCoins> to CCoinsMap

This makes it possible to switch to a more efficient map type
without changing all occurences manually.

Merges half of #4413.

1 files changed, 6 insertions, 5 deletions

diff --git a/src/coins.h b/src/coins.h
index 0ad28524a1..c57a5ec722 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -239,6 +239,7 @@ public:
     }
 };
 
+typedef std::map<uint256,CCoins> CCoinsMap;
 
 struct CCoinsStats
 {
@@ -275,7 +276,7 @@ public:
     virtual bool SetBestBlock(const uint256 &hashBlock);
 
     // Do a bulk modification (multiple SetCoins + one SetBestBlock)
-    virtual bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock);
+    virtual bool BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock);
 
     // Calculate statistics about the unspent transaction output set
     virtual bool GetStats(CCoinsStats &stats);
@@ -299,7 +300,7 @@ public:
     uint256 GetBestBlock();
     bool SetBestBlock(const uint256 &hashBlock);
     void SetBackend(CCoinsView &viewIn);
-    bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock);
+    bool BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock);
     bool GetStats(CCoinsStats &stats);
 };
 
@@ -309,7 +310,7 @@ class CCoinsViewCache : public CCoinsViewBacked
 {
 protected:
     uint256 hashBlock;
-    std::map<uint256,CCoins> cacheCoins;
+    CCoinsMap cacheCoins;
 
 public:
     CCoinsViewCache(CCoinsView &baseIn, bool fDummy = false);
@@ -320,7 +321,7 @@ public:
     bool HaveCoins(const uint256 &txid);
     uint256 GetBestBlock();
     bool SetBestBlock(const uint256 &hashBlock);
-    bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, const uint256 &hashBlock);
+    bool BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock);
 
     // Return a modifiable reference to a CCoins. Check HaveCoins first.
     // Many methods explicitly require a CCoinsViewCache because of this method, to reduce
@@ -352,7 +353,7 @@ public:
     const CTxOut &GetOutputFor(const CTxIn& input);
 
 private:
-    std::map<uint256,CCoins>::iterator FetchCoins(const uint256 &txid);
+    CCoinsMap::iterator FetchCoins(const uint256 &txid);
 };
 
 #endif