1  // Copyright (c) 2012-2022 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 <bitcoin-build-config.h> // IWYU pragma: keep
  6  
  7  #include <clientversion.h>
  8  #include <util/string.h>
  9  #include <util/translation.h>
 10  
 11  #include <tinyformat.h>
 12  
 13  #include <string>
 14  #include <vector>
 15  
 16  using util::Join;
 17  
 18  /**
 19   * Name of client reported in the 'version' message. Report the same name
 20   * for both bitcoind and bitcoin-qt, to make it harder for attackers to
 21   * target servers or GUI users specifically.
 22   */
 23  const std::string UA_NAME("Satoshi");
 24  
 25  
 26  #include <bitcoin-build-info.h>
 27  // The <bitcoin-build-info.h>, which is generated by the build environment (cmake/script/GenerateBuildInfo.cmake),
 28  // could contain only one line of the following:
 29  //   - "#define BUILD_GIT_TAG ...", if the top commit is tagged
 30  //   - "#define BUILD_GIT_COMMIT ...", if the top commit is not tagged
 31  //   - "// No build information available", if proper git information is not available
 32  
 33  //! git will put "#define GIT_COMMIT_ID ..." on the next line inside archives. $Format:%n#define GIT_COMMIT_ID "%H"$
 34  
 35  #ifdef BUILD_GIT_TAG
 36      #define BUILD_DESC BUILD_GIT_TAG
 37      #define BUILD_SUFFIX ""
 38  #else
 39      #define BUILD_DESC "v" CLIENT_VERSION_STRING
 40      #if CLIENT_VERSION_IS_RELEASE
 41          #define BUILD_SUFFIX ""
 42      #elif defined(BUILD_GIT_COMMIT)
 43          #define BUILD_SUFFIX "-" BUILD_GIT_COMMIT
 44      #elif defined(GIT_COMMIT_ID)
 45          #define BUILD_SUFFIX "-g" GIT_COMMIT_ID
 46      #else
 47          #define BUILD_SUFFIX "-unk"
 48      #endif
 49  #endif
 50  
 51  static std::string FormatVersion(int nVersion)
 52  {
 53      return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);
 54  }
 55  
 56  std::string FormatFullVersion()
 57  {
 58      static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);
 59      return CLIENT_BUILD;
 60  }
 61  
 62  /**
 63   * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki)
 64   */
 65  std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
 66  {
 67      std::string comments_str;
 68      if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
 69      return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
 70  }
 71  
 72  std::string CopyrightHolders(const std::string& strPrefix)
 73  {
 74      const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION).translated;
 75      std::string strCopyrightHolders = strPrefix + copyright_devs;
 76  
 77      // Make sure Bitcoin Core copyright is not removed by accident
 78      if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
 79          strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
 80      }
 81      return strCopyrightHolders;
 82  }
 83  
 84  std::string LicenseInfo()
 85  {
 86      const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
 87  
 88      return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR).translated + " ") + "\n" +
 89             "\n" +
 90             strprintf(_("Please contribute if you find %s useful. "
 91                         "Visit %s for further information about the software."),
 92                       CLIENT_NAME, "<" CLIENT_URL ">")
 93                 .translated +
 94             "\n" +
 95             strprintf(_("The source code is available from %s."), URL_SOURCE_CODE).translated +
 96             "\n" +
 97             "\n" +
 98             _("This is experimental software.") + "\n" +
 99             strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/licenses/MIT>").translated +
100             "\n";
101  }