a big bundle of conversions and other changes.

eventstore/badger/migrations.go

@@ -2,7 +2,6 @@ package badger
 
 import (
 	"encoding/binary"
-	"fmt"
 
 	"github.com/dgraph-io/badger/v4"
 )
@@ -26,35 +25,12 @@ func (b *BadgerBackend) runMigrations() error {
 		// do the migrations in increasing steps (there is no rollback)
 		//
 
-		// the 3 first migrations go to trash because on version 3 we need to export and import all the data anyway
-		if version < 3 {
-			// if there is any data in the relay we will stop and notify the user,
-			// otherwise we just set version to 3 and proceed
-			prefix := []byte{indexIdPrefix}
-			it := txn.NewIterator(badger.IteratorOptions{
-				PrefetchValues: true,
-				PrefetchSize:   100,
-				Prefix:         prefix,
-			})
-			defer it.Close()
-
-			hasAnyEntries := false
-			for it.Seek(prefix); it.ValidForPrefix(prefix); it.Next() {
-				hasAnyEntries = true
-				break
-			}
-
-			if hasAnyEntries {
-				return fmt.Errorf("your database is at version %d, but in order to migrate up to version 3 you must manually export all the events and then import again: run an old version of this software, export the data, then delete the database files, run the new version, import the data back in.", version)
-			}
-
-			b.bumpVersion(txn, 3)
-		}
-
-		if version < 4 {
+		if version < 1 {
 			// ...
 		}
 
+		// b.bumpVersion(txn, 1)
+
 		return nil
 	})
 }