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       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                 :           6 : static std::string FormatVersion(int nVersion)
      52                 :             : {
      53                 :           6 :     return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);
      54                 :             : }
      55                 :             : 
      56                 :         595 : std::string FormatFullVersion()
      57                 :             : {
      58   [ +  +  +  -  :         595 :     static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);
                   +  - ]
      59                 :         595 :     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                 :           6 : std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
      66                 :             : {
      67         [ +  + ]:           6 :     std::string comments_str;
      68   [ +  +  +  -  :           6 :     if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
                   +  - ]
      69   [ +  -  +  - ]:          12 :     return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
      70                 :           6 : }
      71                 :             : 
      72                 :           0 : std::string CopyrightHolders(const std::string& strPrefix)
      73                 :             : {
      74         [ #  # ]:           0 :     const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS).translated, COPYRIGHT_HOLDERS_SUBSTITUTION);
      75         [ #  # ]:           0 :     std::string strCopyrightHolders = strPrefix + copyright_devs;
      76                 :             : 
      77                 :             :     // Make sure Bitcoin Core copyright is not removed by accident
      78         [ #  # ]:           0 :     if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
      79   [ #  #  #  # ]:           0 :         strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
      80                 :             :     }
      81                 :           0 :     return strCopyrightHolders;
      82                 :           0 : }
      83                 :             : 
      84                 :           0 : std::string LicenseInfo()
      85                 :             : {
      86                 :           0 :     const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
      87                 :             : 
      88   [ #  #  #  #  :           0 :     return CopyrightHolders(strprintf(_("Copyright (C) %i-%i").translated, 2009, COPYRIGHT_YEAR) + " ") + "\n" +
             #  #  #  # ]
      89                 :           0 :            "\n" +
      90   [ #  #  #  # ]:           0 :            strprintf(_("Please contribute if you find %s useful. "
      91         [ #  # ]:           0 :                        "Visit %s for further information about the software.").translated, CLIENT_NAME, "<" CLIENT_URL ">") +
      92                 :           0 :            "\n" +
      93   [ #  #  #  #  :           0 :            strprintf(_("The source code is available from %s.").translated, URL_SOURCE_CODE) +
                   #  # ]
      94         [ #  # ]:           0 :            "\n" +
      95                 :           0 :            "\n" +
      96   [ #  #  #  # ]:           0 :            _("This is experimental software.").translated + "\n" +
      97   [ #  #  #  #  :           0 :            strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s").translated, "COPYING", "<https://opensource.org/licenses/MIT>") +
                   #  # ]
      98                 :           0 :            "\n";
      99                 :           0 : }