refactor: Move license info into new module

diff --git a/ci/test/03_test_script.sh b/ci/test/03_test_script.sh
index 7b4d7837..9d6351af 100755
--- a/ci/test/03_test_script.sh
+++ b/ci/test/03_test_script.sh
@@ -209,7 +209,7 @@ fi
 
 if [[ "${RUN_IWYU}" == true ]]; then
   # TODO: Consider enforcing IWYU across the entire codebase.
-  FILES_WITH_ENFORCED_IWYU="/src/((crypto|index|kernel|primitives|univalue/(lib|test)|zmq)/.*\\.cpp|node/blockstorage\\.cpp|node/utxo_snapshot\\.cpp|core_io\\.cpp|signet\\.cpp)"
+  FILES_WITH_ENFORCED_IWYU="/src/(((crypto|index|kernel|primitives|univalue/(lib|test)|zmq)/.*|common/license_info|node/blockstorage|node/utxo_snapshot|clientversion|core_io|signet)\\.cpp)"
   jq --arg patterns "$FILES_WITH_ENFORCED_IWYU" 'map(select(.file | test($patterns)))' "${BASE_BUILD_DIR}/compile_commands.json" > "${BASE_BUILD_DIR}/compile_commands_iwyu_errors.json"
   jq --arg patterns "$FILES_WITH_ENFORCED_IWYU" 'map(select(.file | test($patterns) | not))' "${BASE_BUILD_DIR}/compile_commands.json" > "${BASE_BUILD_DIR}/compile_commands_iwyu_warnings.json"
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ad18115b..f8588efd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -97,6 +97,7 @@ add_library(bitcoin_common STATIC EXCLUDE_FROM_ALL
   common/config.cpp
   common/init.cpp
   common/interfaces.cpp
+  common/license_info.cpp
   common/messages.cpp
   common/netif.cpp
   common/pcp.cpp
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp
index 2c02d87c..b0caf2d1 100644
--- a/src/bitcoin-cli.cpp
+++ b/src/bitcoin-cli.cpp
@@ -8,6 +8,7 @@
 #include <chainparamsbase.h>
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <compat/compat.h>
 #include <compat/stdin.h>
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index fdff656f..d4702a9c 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -8,6 +8,7 @@
 #include <clientversion.h>
 #include <coins.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <compat/compat.h>
 #include <consensus/amount.h>
diff --git a/src/bitcoin-util.cpp b/src/bitcoin-util.cpp
index a6fd026b..aa3fd306 100644
--- a/src/bitcoin-util.cpp
+++ b/src/bitcoin-util.cpp
@@ -10,6 +10,7 @@
 #include <chainparamsbase.h>
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <compat/compat.h>
 #include <core_io.h>
diff --git a/src/bitcoin-wallet.cpp b/src/bitcoin-wallet.cpp
index 6811f8c5..9b0136da 100644
--- a/src/bitcoin-wallet.cpp
+++ b/src/bitcoin-wallet.cpp
@@ -8,6 +8,7 @@
 #include <chainparamsbase.h>
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <compat/compat.h>
 #include <interfaces/init.h>
diff --git a/src/bitcoin.cpp b/src/bitcoin.cpp
index 5d42bb04..827f6cf1 100644
--- a/src/bitcoin.cpp
+++ b/src/bitcoin.cpp
@@ -6,6 +6,7 @@
 
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <util/fs.h>
 #include <util/exec.h>
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index 32db3e72..ac731587 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -9,6 +9,7 @@
 #include <clientversion.h>
 #include <common/args.h>
 #include <common/init.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <compat/compat.h>
 #include <init.h>
diff --git a/src/clientversion.cpp b/src/clientversion.cpp
index 86610112..222dafb3 100644
--- a/src/clientversion.cpp
+++ b/src/clientversion.cpp
@@ -6,10 +6,8 @@
 
 #include <clientversion.h>
 
-#include <util/string.h>
-#include <util/translation.h>
-
 #include <tinyformat.h>
+#include <util/string.h>
 
 #include <string>
 #include <vector>
@@ -70,34 +68,3 @@ std::string FormatSubVersion(const std::string& name, int nClientVersion, const
     if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
     return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
 }
-
-std::string CopyrightHolders(const std::string& strPrefix)
-{
-    const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION).translated;
-    std::string strCopyrightHolders = strPrefix + copyright_devs;
-
-    // Make sure Bitcoin Core copyright is not removed by accident
-    if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
-        strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
-    }
-    return strCopyrightHolders;
-}
-
-std::string LicenseInfo()
-{
-    const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
-
-    return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR).translated + " ") + "\n" +
-           "\n" +
-           strprintf(_("Please contribute if you find %s useful. "
-                       "Visit %s for further information about the software."),
-                     CLIENT_NAME, "<" CLIENT_URL ">")
-               .translated +
-           "\n" +
-           strprintf(_("The source code is available from %s."), URL_SOURCE_CODE).translated +
-           "\n" +
-           "\n" +
-           _("This is experimental software.") + "\n" +
-           strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/license/MIT>").translated +
-           "\n";
-}
diff --git a/src/clientversion.h b/src/clientversion.h
index 9d09e502..f4822a12 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -34,11 +34,6 @@ extern const std::string UA_NAME;
 std::string FormatFullVersion();
 std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments);
 
-std::string CopyrightHolders(const std::string& strPrefix);
-
-/** Returns licensing information (for -version) */
-std::string LicenseInfo();
-
 #endif // RC_INVOKED
 
 #endif // BITCOIN_CLIENTVERSION_H
diff --git a/src/common/license_info.cpp b/src/common/license_info.cpp
new file mode 100644
index 00000000..8cf99c29
--- /dev/null
+++ b/src/common/license_info.cpp
@@ -0,0 +1,43 @@
+// Copyright (c) The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or https://opensource.org/license/mit/.
+
+#include <bitcoin-build-config.h> // IWYU pragma: keep
+
+#include <common/license_info.h>
+
+#include <tinyformat.h>
+#include <util/translation.h>
+
+#include <string>
+
+std::string CopyrightHolders(const std::string& strPrefix)
+{
+    const auto copyright_devs = strprintf(_(COPYRIGHT_HOLDERS), COPYRIGHT_HOLDERS_SUBSTITUTION).translated;
+    std::string strCopyrightHolders = strPrefix + copyright_devs;
+
+    // Make sure Bitcoin Core copyright is not removed by accident
+    if (copyright_devs.find("Bitcoin Core") == std::string::npos) {
+        strCopyrightHolders += "\n" + strPrefix + "The Bitcoin Core developers";
+    }
+    return strCopyrightHolders;
+}
+
+std::string LicenseInfo()
+{
+    const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
+
+    return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR).translated + " ") + "\n" +
+           "\n" +
+           strprintf(_("Please contribute if you find %s useful. "
+                       "Visit %s for further information about the software."),
+                     CLIENT_NAME, "<" CLIENT_URL ">")
+               .translated +
+           "\n" +
+           strprintf(_("The source code is available from %s."), URL_SOURCE_CODE).translated +
+           "\n" +
+           "\n" +
+           _("This is experimental software.") + "\n" +
+           strprintf(_("Distributed under the MIT software license, see the accompanying file %s or %s"), "COPYING", "<https://opensource.org/license/MIT>").translated +
+           "\n";
+}
diff --git a/src/common/license_info.h b/src/common/license_info.h
new file mode 100644
index 00000000..aedb1b7f
--- /dev/null
+++ b/src/common/license_info.h
@@ -0,0 +1,15 @@
+// Copyright (c) The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or https://opensource.org/license/mit/.
+
+#ifndef BITCOIN_COMMON_LICENSE_INFO_H
+#define BITCOIN_COMMON_LICENSE_INFO_H
+
+#include <string>
+
+std::string CopyrightHolders(const std::string& strPrefix);
+
+/** Returns licensing information (for -version) */
+std::string LicenseInfo();
+
+#endif // BITCOIN_COMMON_LICENSE_INFO_H
diff --git a/src/qt/splashscreen.cpp b/src/qt/splashscreen.cpp
index 553f6789..5a89ce08 100644
--- a/src/qt/splashscreen.cpp
+++ b/src/qt/splashscreen.cpp
@@ -7,6 +7,7 @@
 #include <qt/splashscreen.h>
 
 #include <clientversion.h>
+#include <common/license_info.h>
 #include <common/system.h>
 #include <interfaces/handler.h>
 #include <interfaces/node.h>
diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
index 99a3a837..5784b317 100644
--- a/src/qt/utilitydialog.cpp
+++ b/src/qt/utilitydialog.cpp
@@ -12,6 +12,7 @@
 
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <init.h>
 #include <util/strencodings.h>
 
diff --git a/src/test/fuzz/string.cpp b/src/test/fuzz/string.cpp
index d3156336..4402caa0 100644
--- a/src/test/fuzz/string.cpp
+++ b/src/test/fuzz/string.cpp
@@ -5,6 +5,7 @@
 #include <blockfilter.h>
 #include <clientversion.h>
 #include <common/args.h>
+#include <common/license_info.h>
 #include <common/messages.h>
 #include <common/settings.h>
 #include <common/system.h>