diff options
Diffstat (limited to 'src/qt/optionsmodel.cpp')
| -rw-r--r-- | src/qt/optionsmodel.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp index cc2cbc0e66..684db71a8c 100644 --- a/src/qt/optionsmodel.cpp +++ b/src/qt/optionsmodel.cpp @@ -43,6 +43,8 @@ void OptionsModel::Init(bool resetSettings) if (resetSettings) Reset(); + checkAndMigrate(); + QSettings settings; // Ensure restart flag is unset on client startup @@ -429,3 +431,22 @@ bool OptionsModel::isRestartRequired() QSettings settings; return settings.value("fRestartRequired", false).toBool(); } + +void OptionsModel::checkAndMigrate() +{ + // Migration of default values + // Check if the QSettings container was already loaded with this client version + QSettings settings; + static const char strSettingsVersionKey[] = "nSettingsVersion"; + int settingsVersion = settings.contains(strSettingsVersionKey) ? settings.value(strSettingsVersionKey).toInt() : 0; + if (settingsVersion < CLIENT_VERSION) + { + // -dbcache was bumped from 100 to 300 in 0.13 + // see https://github.com/bitcoin/bitcoin/pull/8273 + // force people to upgrade to the new value if they are using 100MB + if (settingsVersion < 130000 && settings.contains("nDatabaseCache") && settings.value("nDatabaseCache").toLongLong() == 100) + settings.setValue("nDatabaseCache", (qint64)nDefaultDbCache); + + settings.setValue(strSettingsVersionKey, CLIENT_VERSION); + } +}
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