1  // Copyright (c) 2022-present The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #include <kernel/chain.h>
 6  
 7  #include <chain.h>
 8  #include <kernel/cs_main.h>
 9  #include <kernel/types.h>
10  #include <sync.h>
11  #include <uint256.h>
12  
13  class CBlock;
14  
15  using kernel::ChainstateRole;
16  
17  namespace kernel {
18  interfaces::BlockInfo MakeBlockInfo(const CBlockIndex* index, const CBlock* data)
19  {
20      interfaces::BlockInfo info{index ? *index->phashBlock : uint256::ZERO};
21      if (index) {
22          info.prev_hash = index->pprev ? index->pprev->phashBlock : nullptr;
23          info.height = index->nHeight;
24          info.chain_time_max = index->GetBlockTimeMax();
25          LOCK(::cs_main);
26          info.file_number = index->nFile;
27          info.data_pos = index->nDataPos;
28      }
29      info.data = data;
30      return info;
31  }
32  
33  std::ostream& operator<<(std::ostream& os, const ChainstateRole& role) {
34      if (!role.validated) {
35          os << "assumedvalid";
36      } else if (role.historical) {
37          os << "background";
38      } else {
39          os << "normal";
40      }
41      return os;
42  }
43  } // namespace kernel