1  // Copyright (c) 2012-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 <bitcoin-build-config.h> // IWYU pragma: keep
  6  
  7  #include <clientversion.h>
  8  
  9  #include <util/string.h>
 10  #include <util/translation.h>
 11  
 12  #include <tinyformat.h>
 13  
 14  #include <string>
 15  #include <vector>
 16  
 17  using util::Join;
 18  
 19  /**
 20   * Name of client reported in the 'version' message. Report the same name
 21   * for both bitcoind and bitcoin-qt, to make it harder for attackers to
 22   * target servers or GUI users specifically.
 23   */
 24  const std::string UA_NAME("Satoshi");
 25  
 26  
 27  #include <bitcoin-build-info.h>
 28  // The <bitcoin-build-info.h>, which is generated by the build environment (cmake/script/GenerateBuildInfo.cmake),
 29  // could contain only one line of the following:
 30  //   - "#define BUILD_GIT_TAG ...", if the top commit is tagged
 31  //   - "#define BUILD_GIT_COMMIT ...", if the top commit is not tagged
 32  //   - "// No build information available", if proper git information is not available
 33  
 34  // git will expand the next line to "#define GIT_COMMIT_ID ..." inside archives:
 35  //$Format:%n#define GIT_COMMIT_ID "%H"$
 36  
 37  #ifdef BUILD_GIT_TAG
 38      #define BUILD_DESC BUILD_GIT_TAG
 39      #define BUILD_SUFFIX ""
 40  #else
 41      #define BUILD_DESC "v" CLIENT_VERSION_STRING
 42      #if CLIENT_VERSION_IS_RELEASE
 43          #define BUILD_SUFFIX ""
 44      #elif defined(BUILD_GIT_COMMIT)
 45          #define BUILD_SUFFIX "-" BUILD_GIT_COMMIT
 46      #elif defined(GIT_COMMIT_ID)
 47          #define BUILD_SUFFIX "-g" GIT_COMMIT_ID
 48      #else
 49          #define BUILD_SUFFIX "-unk"
 50      #endif
 51  #endif
 52  
 53  static std::string FormatVersion(int nVersion)
 54  {
 55      return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);
 56  }
 57  
 58  std::string FormatFullVersion()
 59  {
 60      static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);
 61      return CLIENT_BUILD;
 62  }
 63  
 64  /**
 65   * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki)
 66   */
 67  std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
 68  {
 69      std::string comments_str;
 70      if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
 71      return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
 72  }
 73  
 74  std::string CopyrightHolders(const std::string& strPrefix)
 75  {
 76      const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION).translated;
 77      std::string strCopyrightHolders = strPrefix + copyright_devs;
 78  
 79      // Make sure Bitcoin Core copyright is not removed by accident
 80      if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
 81          strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
 82      }
 83      return strCopyrightHolders;
 84  }
 85  
 86  std::string LicenseInfo()
 87  {
 88      const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
 89  
 90      return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR).translated + " ") + "\n" +
 91             "\n" +
 92             strprintf(_("Please contribute if you find %s useful. "
 93                         "Visit %s for further information about the software."),
 94                       CLIENT_NAME, "<" CLIENT_URL ">")
 95                 .translated +
 96             "\n" +
 97             strprintf(_("The source code is available from %s."), URL_SOURCE_CODE).translated +
 98             "\n" +
 99             "\n" +
100             _("This is experimental software.") + "\n" +
101             strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/license/MIT>").translated +
102             "\n";
103  }