Initial Vexta Core v0.1.0 release

src/node/utxo_snapshot.h

@@ -0,0 +1,36 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2020 The DigiByte Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef DIGIBYTE_NODE_UTXO_SNAPSHOT_H
+#define DIGIBYTE_NODE_UTXO_SNAPSHOT_H
+
+#include <uint256.h>
+#include <serialize.h>
+
+//! Metadata describing a serialized version of a UTXO set from which an
+//! assumeutxo CChainState can be constructed.
+class SnapshotMetadata
+{
+public:
+    //! The hash of the block that reflects the tip of the chain for the
+    //! UTXO set contained in this snapshot.
+    uint256 m_base_blockhash;
+
+    //! The number of coins in the UTXO set contained in this snapshot. Used
+    //! during snapshot load to estimate progress of UTXO set reconstruction.
+    uint64_t m_coins_count = 0;
+
+    SnapshotMetadata() { }
+    SnapshotMetadata(
+        const uint256& base_blockhash,
+        uint64_t coins_count,
+        unsigned int nchaintx) :
+            m_base_blockhash(base_blockhash),
+            m_coins_count(coins_count) { }
+
+    SERIALIZE_METHODS(SnapshotMetadata, obj) { READWRITE(obj.m_base_blockhash, obj.m_coins_count); }
+};
+
+#endif // DIGIBYTE_NODE_UTXO_SNAPSHOT_H