// Copyright (c) 2012-present The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <bitcoin-build-config.h> // IWYU pragma: keep

#include <clientversion.h>

#include <tinyformat.h>

#include <util/string.h>

#include <string>

#include <vector>

using util::Join;

/**

 * Name of client reported in the 'version' message. Report the same name

 * for both bitcoind and bitcoin-qt, to make it harder for attackers to

 * target servers or GUI users specifically.

 */

const std::string UA_NAME("Satoshi");

#include <bitcoin-build-info.h>

// The <bitcoin-build-info.h>, which is generated by the build environment (cmake/script/GenerateBuildInfo.cmake),

// could contain only one line of the following:

//   - "#define BUILD_GIT_TAG ...", if the top commit is tagged

//   - "#define BUILD_GIT_COMMIT ...", if the top commit is not tagged

//   - "// No build information available", if proper git information is not available

// git will expand the next line to "#define GIT_COMMIT_ID ..." inside archives:

//$Format:%n#define GIT_COMMIT_ID "%H"$

#ifdef BUILD_GIT_TAG

    #define BUILD_DESC BUILD_GIT_TAG

    #define BUILD_SUFFIX ""

#else

    #define BUILD_DESC "v" CLIENT_VERSION_STRING

    #if CLIENT_VERSION_IS_RELEASE

        #define BUILD_SUFFIX ""

    #elif defined(BUILD_GIT_COMMIT)

        #define BUILD_SUFFIX "-" BUILD_GIT_COMMIT

    #elif defined(GIT_COMMIT_ID)

        #define BUILD_SUFFIX "-g" GIT_COMMIT_ID

    #else

        #define BUILD_SUFFIX "-unk"

    #endif

#endif

static std::string FormatVersion(int nVersion)

{

    return strprintf("%d.%d.%d", nVersion / 10000, (nVersion / 100) % 100, nVersion % 100);

}

std::string FormatFullVersion()

{

    static const std::string CLIENT_BUILD(BUILD_DESC BUILD_SUFFIX);

    return CLIENT_BUILD;

}

/**

 * Format the subversion field according to BIP 14 spec (https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki)

 */

std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)

{

    std::string comments_str;

    if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));

    return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);

}