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       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                 :         985 : static std::string FormatVersion(int nVersion)
      54                 :             : {
      55                 :         985 :     return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);
      56                 :             : }
      57                 :             : 
      58                 :        1119 : std::string FormatFullVersion()
      59                 :             : {
      60   [ +  +  +  -  :        1119 :     static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);
                   +  - ]
      61         [ -  + ]:        2238 :     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                 :         985 : std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
      68                 :             : {
      69         [ +  + ]:         985 :     std::string comments_str;
      70   [ +  +  +  -  :         985 :     if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
                   +  - ]
      71   [ +  -  +  - ]:        1970 :     return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
      72                 :         985 : }
      73                 :             : 
      74                 :         985 : std::string CopyrightHolders(const std::string& strPrefix)
      75                 :             : {
      76                 :         985 :     const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION).translated;
      77         [ +  - ]:         985 :     std::string strCopyrightHolders = strPrefix + copyright_devs;
      78                 :             : 
      79                 :             :     // Make sure Bitcoin Core copyright is not removed by accident
      80         [ -  + ]:         985 :     if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
      81   [ #  #  #  # ]:           0 :         strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
      82                 :             :     }
      83                 :         985 :     return strCopyrightHolders;
      84                 :         985 : }
      85                 :             : 
      86                 :           0 : std::string LicenseInfo()
      87                 :             : {
      88                 :           0 :     const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
      89                 :             : 
      90   [ #  #  #  #  :           0 :     return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR).translated + " ") + "\n" +
                   #  # ]
      91                 :           0 :            "\n" +
      92         [ #  # ]:           0 :            strprintf(_("Please contribute if you find %s useful. "
      93                 :             :                        "Visit %s for further information about the software."),
      94                 :             :                      CLIENT_NAME, "<" CLIENT_URL ">")
      95         [ #  # ]:           0 :                .translated +
      96                 :           0 :            "\n" +
      97         [ #  # ]:           0 :            strprintf(_("The source code is available from %s."), URL_SOURCE_CODE).translated +
      98         [ #  # ]:           0 :            "\n" +
      99                 :           0 :            "\n" +
     100   [ #  #  #  # ]:           0 :            _("This is experimental software.") + "\n" +
     101   [ #  #  #  # ]:           0 :            strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/license/MIT>").translated +
     102                 :           0 :            "\n";
     103                 :           0 : }