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Diffstat (limited to 'swarm/state/inmemorystore.go')
-rw-r--r-- | swarm/state/inmemorystore.go | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/swarm/state/inmemorystore.go b/swarm/state/inmemorystore.go deleted file mode 100644 index 3ba48592b..000000000 --- a/swarm/state/inmemorystore.go +++ /dev/null @@ -1,94 +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 state - -import ( - "encoding" - "encoding/json" - "sync" -) - -// InmemoryStore is the reference implementation of Store interface that is supposed -// to be used in tests. -type InmemoryStore struct { - db map[string][]byte - mu sync.RWMutex -} - -// NewInmemoryStore returns a new instance of InmemoryStore. -func NewInmemoryStore() *InmemoryStore { - return &InmemoryStore{ - db: make(map[string][]byte), - } -} - -// Get retrieves a value stored for a specific key. If there is no value found, -// ErrNotFound is returned. -func (s *InmemoryStore) Get(key string, i interface{}) (err error) { - s.mu.RLock() - defer s.mu.RUnlock() - - bytes, ok := s.db[key] - if !ok { - return ErrNotFound - } - - unmarshaler, ok := i.(encoding.BinaryUnmarshaler) - if !ok { - return json.Unmarshal(bytes, i) - } - - return unmarshaler.UnmarshalBinary(bytes) -} - -// Put stores a value for a specific key. -func (s *InmemoryStore) Put(key string, i interface{}) (err error) { - s.mu.Lock() - defer s.mu.Unlock() - var bytes []byte - - marshaler, ok := i.(encoding.BinaryMarshaler) - if !ok { - if bytes, err = json.Marshal(i); err != nil { - return err - } - } else { - if bytes, err = marshaler.MarshalBinary(); err != nil { - return err - } - } - - s.db[key] = bytes - return nil -} - -// Delete removes value stored under a specific key. -func (s *InmemoryStore) Delete(key string) (err error) { - s.mu.Lock() - defer s.mu.Unlock() - - if _, ok := s.db[key]; !ok { - return ErrNotFound - } - delete(s.db, key) - return nil -} - -// Close does not do anything. -func (s *InmemoryStore) Close() error { - return nil -} |