1 files changed, 6 insertions, 6 deletions
diff --git a/src/chain.h b/src/chain.h
index 02db9ec771..f1036e5d92 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -204,14 +204,14 @@ 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;
@@ -247,7 +247,7 @@ public:
         SetNull();
     }
 
-    CBlockIndex(const CBlockHeader& block)
+    explicit CBlockIndex(const CBlockHeader& block)
     {
         SetNull();