You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: storage_blobstore.go
    path of file: ./repos/magma/orc8r/cloud/go/services/ctraced/storage
    
    the code of the file until where you have to start completion: /*
Copyright 2020 The Magma Authors.

This source code is licensed under the BSD-style license found in the
LICENSE file in the root directory of this source tree.


    
func (c *ctracedBlobStore) StoreCallTrace(networkID string, callTraceID string, data []byte) error {
	store, err := c.factory.StartTransaction(nil)
	if err != nil {
		return fmt.Errorf("failed to start transaction: %w", err)
	}
	defer store.Rollback()

	err = store.Write(
		networkID,
		blobstore.Blobs{
			{Type: CtracedBlobType, Key: callTraceID, Value: data, Version: 0},
		},
	)
	if err != nil {
		return fmt.Errorf("failed to store call trace %s: %w", callTraceID, err)
	}

	return store.Commit()
}