1  // Copyright (c) 2019-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  #ifndef BITCOIN_UTIL_ASMAP_H
 6  #define BITCOIN_UTIL_ASMAP_H
 7  
 8  #include <uint256.h>
 9  #include <util/fs.h>
10  
11  #include <cstddef>
12  #include <cstdint>
13  #include <span>
14  #include <vector>
15  
16  uint32_t Interpret(std::span<const std::byte> asmap, std::span<const std::byte> ip);
17  
18  bool SanityCheckAsmap(std::span<const std::byte> asmap, int bits);
19  /** Check standard asmap data (128 bits for IPv6) */
20  bool CheckStandardAsmap(std::span<const std::byte> data);
21  
22  /** Read and check asmap from provided binary file */
23  std::vector<std::byte> DecodeAsmap(fs::path path);
24  /** Calculate the asmap version, a checksum identifying the asmap being used. */
25  uint256 AsmapVersion(std::span<const std::byte> data);
26  
27  #endif // BITCOIN_UTIL_ASMAP_H