Merge bitcoin#11232: Ensure that data types are consistent

061297f Ensure that data types are consistent (jjz)

Pull request description:

  1. nStatus of CBlockIndex  is consistent with the definition of Enum(BlockStatus)
  2. The BlockHeader is consistent with the type of variable defined in CBlockHeader

Tree-SHA512: 3d4a55c62d3e17b9c83807eae153db4fcfcd8477c9413a45dedfa157563e77b775a66974648d28c9d44ac45a5705eef83b31a8a3b44316dc9814b85526a9d034

src/chain.h

@@ -204,14 +204,14 @@ class CBlockIndex
     unsigned int nChainTx;
 
     //! Verification status of this block. See enum BlockStatus
-    unsigned int nStatus;
+    uint32_t nStatus;
 
     //! block header
-    int nVersion;
+    int32_t nVersion;
     uint256 hashMerkleRoot;
-    unsigned int nTime;
-    unsigned int nBits;
-    unsigned int nNonce;
+    uint32_t nTime;
+    uint32_t nBits;
+    uint32_t nNonce;
 
     //! (memory only) Sequential id assigned to distinguish order in which blocks are received.
     int32_t nSequenceId;