/
filedb.go
32 lines (29 loc) · 1.14 KB
/
filedb.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// Copyright 2020 The klaytn Authors
// This file is part of the klaytn library.
//
// The klaytn 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 klaytn 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 klaytn library. If not, see <http://www.gnu.org/licenses/>.
package database
type item struct {
key []byte
val []byte
}
// fileDB inserts an item, which has key and value in byte slice.
// It inserts the item to somewhere and returns the location of the item.
// An item can be retrieved with the returned location, URI.
type fileDB interface {
write(items item) (string, error)
read(key []byte) ([]byte, error)
delete(key []byte) error
deleteBucket()
}