1 files changed, 0 insertions, 66 deletions
diff --git a/swarm/shed/field_string.go b/swarm/shed/field_string.go
deleted file mode 100644
index a7e8f0c75..000000000
--- a/swarm/shed/field_string.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2018 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package shed
-
-import (
-	"github.com/syndtr/goleveldb/leveldb"
-)
-
-// StringField is the most simple field implementation
-// that stores an arbitrary string under a specific LevelDB key.
-type StringField struct {
-	db  *DB
-	key []byte
-}
-
-// NewStringField retruns a new Instance of StringField.
-// It validates its name and type against the database schema.
-func (db *DB) NewStringField(name string) (f StringField, err error) {
-	key, err := db.schemaFieldKey(name, "string")
-	if err != nil {
-		return f, err
-	}
-	return StringField{
-		db:  db,
-		key: key,
-	}, nil
-}
-
-// Get returns a string value from database.
-// If the value is not found, an empty string is returned
-// an no error.
-func (f StringField) Get() (val string, err error) {
-	b, err := f.db.Get(f.key)
-	if err != nil {
-		if err == leveldb.ErrNotFound {
-			return "", nil
-		}
-		return "", err
-	}
-	return string(b), nil
-}
-
-// Put stores a string in the database.
-func (f StringField) Put(val string) (err error) {
-	return f.db.Put(f.key, []byte(val))
-}
-
-// PutInBatch stores a string in a batch that can be
-// saved later in database.
-func (f StringField) PutInBatch(batch *leveldb.Batch, val string) {
-	batch.Put(f.key, []byte(val))
-}