1 files changed, 61 insertions, 0 deletions
diff --git a/src/core.h b/src/core.h
index c86e1f499d..cba3ab233f 100644
--- a/src/core.h
+++ b/src/core.h
@@ -672,4 +672,65 @@ public:
 };
 
 
+/** Nodes collect new transactions into a block, hash them into a hash tree,
+ * and scan through nonce values to make the block's hash satisfy proof-of-work
+ * requirements.  When they solve the proof-of-work, they broadcast the block
+ * to everyone and the block is added to the block chain.  The first transaction
+ * in the block is a special one that creates a new coin owned by the creator
+ * of the block.
+ */
+class CBlockHeader
+{
+public:
+    // header
+    static const int CURRENT_VERSION=2;
+    int nVersion;
+    uint256 hashPrevBlock;
+    uint256 hashMerkleRoot;
+    unsigned int nTime;
+    unsigned int nBits;
+    unsigned int nNonce;
+
+    CBlockHeader()
+    {
+        SetNull();
+    }
+
+    IMPLEMENT_SERIALIZE
+    (
+        READWRITE(this->nVersion);
+        nVersion = this->nVersion;
+        READWRITE(hashPrevBlock);
+        READWRITE(hashMerkleRoot);
+        READWRITE(nTime);
+        READWRITE(nBits);
+        READWRITE(nNonce);
+    )
+
+    void SetNull()
+    {
+        nVersion = CBlockHeader::CURRENT_VERSION;
+        hashPrevBlock = 0;
+        hashMerkleRoot = 0;
+        nTime = 0;
+        nBits = 0;
+        nNonce = 0;
+    }
+
+    bool IsNull() const
+    {
+        return (nBits == 0);
+    }
+
+    uint256 GetHash() const
+    {
+        return Hash(BEGIN(nVersion), END(nNonce));
+    }
+
+    int64 GetBlockTime() const
+    {
+        return (int64)nTime;
+    }
+};
+
 #endif