5f8ad656f7
Plus a few other miscellaneous pieces which will be usedful soon: - Remove `Get` from func names `GetCookieSecret` and `GetFeeXPub`. - Add helpers to encode/decode integers/bytes.
33 lines
818 B
Go
33 lines
818 B
Go
package database
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
const (
|
|
// initialVersion is the version of a freshly created database which has had
|
|
// no upgrades applied.
|
|
initialVersion = 1
|
|
|
|
// latestVersion is the latest version of the bolt database that is
|
|
// understood by vspd. Databases with recorded versions higher than
|
|
// this will fail to open (meaning any upgrades prevent reverting to older
|
|
// software).
|
|
latestVersion = initialVersion
|
|
)
|
|
|
|
// Upgrade will update the database to the latest known version.
|
|
func (vdb *VspDatabase) Upgrade(currentVersion uint32) error {
|
|
if currentVersion == latestVersion {
|
|
// No upgrades required.
|
|
return nil
|
|
}
|
|
|
|
if currentVersion > latestVersion {
|
|
// Database is too new.
|
|
return fmt.Errorf("expected database version <= %d, got %d", latestVersion, currentVersion)
|
|
}
|
|
|
|
return nil
|
|
}
|