wtdb: export versions of wtclient.db

watchtower/wtdb/version.go

@@ -78,6 +78,12 @@ func getLatestDBVersion(versions []version) uint32 {
 	return uint32(len(versions))
 }
 
+// LatestDBVersion returns the number of the latest database version currently
+// known to the wtclient.db.
+func LatestDBVersion() uint32 {
+	return getLatestDBVersion(clientDBVersions)
+}
+
 // getMigrations returns a slice of all updates with a greater number that
 // curVersion that need to be applied to sync up with the latest version.
 func getMigrations(versions []version, curVersion uint32) []version {
@@ -91,6 +97,12 @@ func getMigrations(versions []version, curVersion uint32) []version {
 	return updates
 }
 
+// GetLatestDBVersion returns the number of the latest database version
+// currently known to the wtclient.db.
+func GetLatestDBVersion() uint32 {
+	return getLatestDBVersion(clientDBVersions)
+}
+
 // getDBVersion retrieves the current database version from the metadata bucket
 // using the dbVersionKey.
 func getDBVersion(tx kvdb.RTx) (uint32, error) {