Line data    Source code

       1             : // Copyright (c) 2009-2010 Satoshi Nakamoto
       2             : // Copyright (c) 2009-2021 The Bitcoin Core developers
       3             : // Distributed under the MIT software license, see the accompanying
       4             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       5             : 
       6             : #ifndef BITCOIN_NODE_UTXO_SNAPSHOT_H
       7             : #define BITCOIN_NODE_UTXO_SNAPSHOT_H
       8             : 
       9             : #include <uint256.h>
      10             : #include <serialize.h>
      11             : 
      12             : namespace node {
      13             : //! Metadata describing a serialized version of a UTXO set from which an
      14             : //! assumeutxo CChainState can be constructed.
      15             : class SnapshotMetadata
      16             : {
      17             : public:
      18             :     //! The hash of the block that reflects the tip of the chain for the
      19             :     //! UTXO set contained in this snapshot.
      20             :     uint256 m_base_blockhash;
      21             : 
      22             :     //! The number of coins in the UTXO set contained in this snapshot. Used
      23             :     //! during snapshot load to estimate progress of UTXO set reconstruction.
      24           9 :     uint64_t m_coins_count = 0;
      25             : 
      26          27 :     SnapshotMetadata() { }
      27          18 :     SnapshotMetadata(
      28             :         const uint256& base_blockhash,
      29             :         uint64_t coins_count,
      30             :         unsigned int nchaintx) :
      31           9 :             m_base_blockhash(base_blockhash),
      32          18 :             m_coins_count(coins_count) { }
      33             : 
      34          54 :     SERIALIZE_METHODS(SnapshotMetadata, obj) { READWRITE(obj.m_base_blockhash, obj.m_coins_count); }
      35             : };
      36             : } // namespace node
      37             : 
      38             : #endif // BITCOIN_NODE_UTXO_SNAPSHOT_H