1  // Copyright (c) 2009-2010 Satoshi Nakamoto
 2  // Copyright (c) 2009-2022 The Bitcoin Core developers
 3  // Distributed under the MIT software license, see the accompanying
 4  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 5  
 6  #if defined(HAVE_CONFIG_H)
 7  #include <config/bitcoin-config.h>
 8  #endif
 9  
10  #include <warnings.h>
11  
12  #include <common/system.h>
13  #include <sync.h>
14  #include <util/string.h>
15  #include <util/translation.h>
16  
17  #include <vector>
18  
19  static GlobalMutex g_warnings_mutex;
20  static bilingual_str g_misc_warnings GUARDED_BY(g_warnings_mutex);
21  static bool fLargeWorkInvalidChainFound GUARDED_BY(g_warnings_mutex) = false;
22  
23  void SetMiscWarning(const bilingual_str& warning)
24  {
25      LOCK(g_warnings_mutex);
26      g_misc_warnings = warning;
27  }
28  
29  void SetfLargeWorkInvalidChainFound(bool flag)
30  {
31      LOCK(g_warnings_mutex);
32      fLargeWorkInvalidChainFound = flag;
33  }
34  
35  bilingual_str GetWarnings(bool verbose)
36  {
37      bilingual_str warnings_concise;
38      std::vector<bilingual_str> warnings_verbose;
39  
40      LOCK(g_warnings_mutex);
41  
42      // Pre-release build warning
43      if (!CLIENT_VERSION_IS_RELEASE) {
44          warnings_concise = _("This is a pre-release test build - use at your own risk - do not use for mining or merchant applications");
45          warnings_verbose.emplace_back(warnings_concise);
46      }
47  
48      // Misc warnings like out of disk space and clock is wrong
49      if (!g_misc_warnings.empty()) {
50          warnings_concise = g_misc_warnings;
51          warnings_verbose.emplace_back(warnings_concise);
52      }
53  
54      if (fLargeWorkInvalidChainFound) {
55          warnings_concise = _("Warning: We do not appear to fully agree with our peers! You may need to upgrade, or other nodes may need to upgrade.");
56          warnings_verbose.emplace_back(warnings_concise);
57      }
58  
59      if (verbose) {
60          return Join(warnings_verbose, Untranslated("<hr />"));
61      }
62  
63      return warnings_concise;
64  }