BlockHeader of BitCoin Core

CBlockHeader.cpp

class CBlockHeader
{
public:
   // header
   int32_t nVersion;
   uint256 hashPrevBlock;
   uint256 hashMerkleRoot;
   uint32_t nTime;
   uint32_t nBits;
   uint32_t nNonce;

   CBlockHeader()
   {
       SetNull();
   }

   SERIALIZE_METHODS(CBlockHeader, obj) { READWRITE(obj.nVersion, obj.hashPrevBlock, obj.hashMerkleRoot, obj.nTime, obj.nBits, obj.nNonce); }

   void SetNull()
   {
       nVersion = 0;
       hashPrevBlock.SetNull();
       hashMerkleRoot.SetNull();
       nTime = 0;
       nBits = 0;
       nNonce = 0;
   }

   bool IsNull() const
   {
       return (nBits == 0);
   }

   uint256 GetHash() const;

   int64_t GetBlockTime() const
   {
       return (int64_t)nTime;
   }
};