7 "github.com/bytom/errors"
10 func (bcr *BlockchainReactor) GetTxFeedByAlias(ctx context.Context, filter string) ([]byte, error) {
11 jf, err := json.Marshal(filter)
16 value := bcr.TxFeedTracker.DB.Get(jf)
18 return nil, errors.New("No transaction feed")