1 files changed, 7 insertions, 7 deletions
diff --git a/src/chain.h b/src/chain.h
index 1223539e73..f1036e5d92 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -204,19 +204,19 @@ public:
     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;
 
-    //! (memory only) Maximum nTime in the chain upto and including this block.
+    //! (memory only) Maximum nTime in the chain up to and including this block.
     unsigned int nTimeMax;
 
     void SetNull()
@@ -247,7 +247,7 @@ public:
         SetNull();
     }
 
-    CBlockIndex(const CBlockHeader& block)
+    explicit CBlockIndex(const CBlockHeader& block)
     {
         SetNull();