1 files changed, 0 insertions, 143 deletions
diff --git a/ethdb/memory_database.go b/ethdb/memory_database.go
deleted file mode 100644
index 727f2f7ca..000000000
--- a/ethdb/memory_database.go
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2014 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 ethdb
-
-import (
-	"errors"
-	"sync"
-
-	"github.com/ethereum/go-ethereum/common"
-)
-
-/*
- * This is a test memory database. Do not use for any production it does not get persisted
- */
-type MemDatabase struct {
-	db   map[string][]byte
-	lock sync.RWMutex
-}
-
-func NewMemDatabase() *MemDatabase {
-	return &MemDatabase{
-		db: make(map[string][]byte),
-	}
-}
-
-func NewMemDatabaseWithCap(size int) *MemDatabase {
-	return &MemDatabase{
-		db: make(map[string][]byte, size),
-	}
-}
-
-func (db *MemDatabase) Put(key []byte, value []byte) error {
-	db.lock.Lock()
-	defer db.lock.Unlock()
-
-	db.db[string(key)] = common.CopyBytes(value)
-	return nil
-}
-
-func (db *MemDatabase) Has(key []byte) (bool, error) {
-	db.lock.RLock()
-	defer db.lock.RUnlock()
-
-	_, ok := db.db[string(key)]
-	return ok, nil
-}
-
-func (db *MemDatabase) Get(key []byte) ([]byte, error) {
-	db.lock.RLock()
-	defer db.lock.RUnlock()
-
-	if entry, ok := db.db[string(key)]; ok {
-		return common.CopyBytes(entry), nil
-	}
-	return nil, errors.New("not found")
-}
-
-func (db *MemDatabase) Keys() [][]byte {
-	db.lock.RLock()
-	defer db.lock.RUnlock()
-
-	keys := [][]byte{}
-	for key := range db.db {
-		keys = append(keys, []byte(key))
-	}
-	return keys
-}
-
-func (db *MemDatabase) Delete(key []byte) error {
-	db.lock.Lock()
-	defer db.lock.Unlock()
-
-	delete(db.db, string(key))
-	return nil
-}
-
-func (db *MemDatabase) Close() {}
-
-func (db *MemDatabase) NewBatch() Batch {
-	return &memBatch{db: db}
-}
-
-func (db *MemDatabase) Len() int { return len(db.db) }
-
-type kv struct {
-	k, v []byte
-	del  bool
-}
-
-type memBatch struct {
-	db     *MemDatabase
-	writes []kv
-	size   int
-}
-
-func (b *memBatch) Put(key, value []byte) error {
-	b.writes = append(b.writes, kv{common.CopyBytes(key), common.CopyBytes(value), false})
-	b.size += len(value)
-	return nil
-}
-
-func (b *memBatch) Delete(key []byte) error {
-	b.writes = append(b.writes, kv{common.CopyBytes(key), nil, true})
-	b.size += 1
-	return nil
-}
-
-func (b *memBatch) Write() error {
-	b.db.lock.Lock()
-	defer b.db.lock.Unlock()
-
-	for _, kv := range b.writes {
-		if kv.del {
-			delete(b.db.db, string(kv.k))
-			continue
-		}
-		b.db.db[string(kv.k)] = kv.v
-	}
-	return nil
-}
-
-func (b *memBatch) ValueSize() int {
-	return b.size
-}
-
-func (b *memBatch) Reset() {
-	b.writes = b.writes[:0]
-	b.size = 0
-}