Fix failed rollup insertion on Host

go/host/storage/hostdb/hostdb.go

@@ -59,3 +59,10 @@ func (b *dbTransaction) Write() error {
 	}
 	return nil
 }
+
+func (b *dbTransaction) Rollback() error {
+	if err := b.tx.Rollback(); err != nil {
+		return fmt.Errorf("failed to rollback host transaction. Cause: %w", err)
+	}
+	return nil
+}

go/host/storage/storage.go

@@ -34,6 +34,9 @@ func (s *storageImpl) AddBatch(batch *common.ExtBatch) error {
 	}
 
 	if err := hostdb.AddBatch(dbtx, s.db.GetSQLStatement(), batch); err != nil {
+		if err := dbtx.Rollback(); err != nil {
+			return err
+		}
 		return fmt.Errorf("could not add batch to host. Cause: %w", err)
 	}
 
@@ -56,6 +59,9 @@ func (s *storageImpl) AddRollup(rollup *common.ExtRollup, metadata *common.Publi
 	}
 
 	if err := hostdb.AddRollup(dbtx, s.db.GetSQLStatement(), rollup, metadata, block); err != nil {
+		if err := dbtx.Rollback(); err != nil {
+			return err
+		}
 		return fmt.Errorf("could not add rollup to host. Cause: %w", err)
 	}
 
@@ -72,6 +78,9 @@ func (s *storageImpl) AddBlock(b *types.Header, rollupHash common.L2RollupHash)
 	}
 
 	if err := hostdb.AddBlock(dbtx, s.db.GetSQLStatement(), b, rollupHash); err != nil {
+		if err := dbtx.Rollback(); err != nil {
+			return err
+		}
 		return fmt.Errorf("could not add block to host. Cause: %w", err)
 	}