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qt: Avoid crash on startup if int specified in settings.json

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Fix GUI startup crash reported by Rspigler in
https://github.com/bitcoin/bitcoin/issues/24457 that happens if
settings.json contains an integer value for any of the configuration
options which GUI settings can currently clash with (-dbcache, -par,
-spendzeroconfchange, -signer, -upnp, -natpmp, -listen, -server, -proxy,
-proxy, -onion, -onion, -lang, and -prune).

Fix is a one-line change in ArgsManager::GetArg.
This commit is contained in:
Ryan Ofsky 2022-03-07 13:29:46 -05:00
parent 84b0973e35
commit 5b1aae12ca
3 changed files with 8 additions and 8 deletions
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8
src/qt/test/optiontests.cpp
View file

@ -15,15 +15,15 @@
//! Entry point for BitcoinApplication tests.
void OptionTests::optionTests()
{
// Test regression https://github.com/bitcoin/bitcoin/issues/24457. Check
// if setting an integer prune value causes an exception to be thrown in
// the OptionsModel constructor.
// Test regression https://github.com/bitcoin/bitcoin/issues/24457. Ensure
// that setting integer prune value doesn't cause an exception to be thrown
// in the OptionsModel constructor
gArgs.LockSettings([&](util::Settings& settings) {
settings.forced_settings.erase("prune");
settings.rw_settings["prune"] = 3814;
});
gArgs.WriteSettingsFile();
QVERIFY_EXCEPTION_THROWN(OptionsModel{}, std::runtime_error);
OptionsModel{};
gArgs.LockSettings([&](util::Settings& settings) {
settings.rw_settings.erase("prune");
});

6
src/test/getarg_tests.cpp
View file

@ -98,21 +98,21 @@ BOOST_AUTO_TEST_CASE(setting_args)
set_foo(99);
BOOST_CHECK_EQUAL(args.GetSetting("foo").write(), "99");
BOOST_CHECK_THROW(args.GetArg("foo", "default"), std::runtime_error);
BOOST_CHECK_EQUAL(args.GetArg("foo", "default"), "99");
BOOST_CHECK_EQUAL(args.GetIntArg("foo", 100), 99);
BOOST_CHECK_THROW(args.GetBoolArg("foo", true), std::runtime_error);
BOOST_CHECK_THROW(args.GetBoolArg("foo", false), std::runtime_error);
set_foo(3.25);
BOOST_CHECK_EQUAL(args.GetSetting("foo").write(), "3.25");
BOOST_CHECK_THROW(args.GetArg("foo", "default"), std::runtime_error);
BOOST_CHECK_EQUAL(args.GetArg("foo", "default"), "3.25");
BOOST_CHECK_THROW(args.GetIntArg("foo", 100), std::runtime_error);
BOOST_CHECK_THROW(args.GetBoolArg("foo", true), std::runtime_error);
BOOST_CHECK_THROW(args.GetBoolArg("foo", false), std::runtime_error);
set_foo(0);
BOOST_CHECK_EQUAL(args.GetSetting("foo").write(), "0");
BOOST_CHECK_THROW(args.GetArg("foo", "default"), std::runtime_error);
BOOST_CHECK_EQUAL(args.GetArg("foo", "default"), "0");
BOOST_CHECK_EQUAL(args.GetIntArg("foo", 100), 0);
BOOST_CHECK_THROW(args.GetBoolArg("foo", true), std::runtime_error);
BOOST_CHECK_THROW(args.GetBoolArg("foo", false), std::runtime_error);

2
src/util/system.cpp
View file

@ -591,7 +591,7 @@ bool ArgsManager::IsArgNegated(const std::string& strArg) const
std::string ArgsManager::GetArg(const std::string& strArg, const std::string& strDefault) const
{
const util::SettingsValue value = GetSetting(strArg);
return value.isNull() ? strDefault : value.isFalse() ? "0" : value.isTrue() ? "1" : value.get_str();
return value.isNull() ? strDefault : value.isFalse() ? "0" : value.isTrue() ? "1" : value.isNum() ? value.getValStr() : value.get_str();
}
int64_t ArgsManager::GetIntArg(const std::string& strArg, int64_t nDefault) const