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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2022 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 <config/bitcoin-config.h> // IWYU pragma: keep
#include <node/warnings.h>
#include <common/system.h>
#include <sync.h>
#include <univalue.h>
#include <util/translation.h>
#include <optional>
#include <vector>
static GlobalMutex g_warnings_mutex;
static bilingual_str g_misc_warnings GUARDED_BY(g_warnings_mutex);
static bool fLargeWorkInvalidChainFound GUARDED_BY(g_warnings_mutex) = false;
static std::optional<bilingual_str> g_timeoffset_warning GUARDED_BY(g_warnings_mutex){};
namespace node {
void SetMiscWarning(const bilingual_str& warning)
{
LOCK(g_warnings_mutex);
g_misc_warnings = warning;
}
void SetfLargeWorkInvalidChainFound(bool flag)
{
LOCK(g_warnings_mutex);
fLargeWorkInvalidChainFound = flag;
}
void SetMedianTimeOffsetWarning(std::optional<bilingual_str> warning)
{
LOCK(g_warnings_mutex);
g_timeoffset_warning = warning;
}
std::vector<bilingual_str> GetWarnings()
{
std::vector<bilingual_str> warnings;
LOCK(g_warnings_mutex);
// Pre-release build warning
if (!CLIENT_VERSION_IS_RELEASE) {
warnings.emplace_back(_("This is a pre-release test build - use at your own risk - do not use for mining or merchant applications"));
}
// Misc warnings like out of disk space and clock is wrong
if (!g_misc_warnings.empty()) {
warnings.emplace_back(g_misc_warnings);
}
if (fLargeWorkInvalidChainFound) {
warnings.emplace_back(_("Warning: We do not appear to fully agree with our peers! You may need to upgrade, or other nodes may need to upgrade."));
}
if (g_timeoffset_warning) {
warnings.emplace_back(g_timeoffset_warning.value());
}
return warnings;
}
UniValue GetWarningsForRpc(bool use_deprecated)
{
if (use_deprecated) {
const auto all_warnings{GetWarnings()};
return all_warnings.empty() ? "" : all_warnings.back().original;
}
UniValue warnings{UniValue::VARR};
for (auto&& warning : GetWarnings()) {
warnings.push_back(std::move(warning.original));
}
return warnings;
}
} // namespace node
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