Merge pull request #19550 from ethersphere/swarm-rather-stable

swarm v0.4-rc1

1 files changed, 0 insertions, 92 deletions

diff --git a/swarm/storage/memstore.go b/swarm/storage/memstore.go
deleted file mode 100644
index 611ac3bc5..000000000
--- a/swarm/storage/memstore.go
+++ /dev/null
@@ -1,92 +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/>.
-
-// memory storage layer for the package blockhash
-
-package storage
-
-import (
-	"context"
-
-	lru "github.com/hashicorp/golang-lru"
-)
-
-type MemStore struct {
-	cache    *lru.Cache
-	disabled bool
-}
-
-//NewMemStore is instantiating a MemStore cache keeping all frequently requested
-//chunks in the `cache` LRU cache.
-func NewMemStore(params *StoreParams, _ *LDBStore) (m *MemStore) {
-	if params.CacheCapacity == 0 {
-		return &MemStore{
-			disabled: true,
-		}
-	}
-
-	c, err := lru.New(int(params.CacheCapacity))
-	if err != nil {
-		panic(err)
-	}
-
-	return &MemStore{
-		cache: c,
-	}
-}
-
-// Has needed to implement SyncChunkStore
-func (m *MemStore) Has(_ context.Context, addr Address) bool {
-	return m.cache.Contains(addr)
-}
-
-func (m *MemStore) Get(_ context.Context, addr Address) (Chunk, error) {
-	if m.disabled {
-		return nil, ErrChunkNotFound
-	}
-
-	c, ok := m.cache.Get(string(addr))
-	if !ok {
-		return nil, ErrChunkNotFound
-	}
-	return c.(Chunk), nil
-}
-
-func (m *MemStore) Put(_ context.Context, c Chunk) error {
-	if m.disabled {
-		return nil
-	}
-
-	m.cache.Add(string(c.Address()), c)
-	return nil
-}
-
-func (m *MemStore) setCapacity(n int) {
-	if n <= 0 {
-		m.disabled = true
-	} else {
-		c, err := lru.New(n)
-		if err != nil {
-			panic(err)
-		}
-
-		*m = MemStore{
-			cache: c,
-		}
-	}
-}
-
-func (s *MemStore) Close() {}