mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-25 12:57:17 +00:00
34 lines
1.2 KiB
Go
34 lines
1.2 KiB
Go
|
// 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 rawdb
|
||
|
|
|
||
|
|
// DatabaseReader wraps the Has and Get method of a backing data store.
|
||
|
|
type DatabaseReader interface {
|
||
|
|
Has(key []byte) (bool, error)
|
||
|
|
Get(key []byte) ([]byte, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DatabaseWriter wraps the Put method of a backing data store.
|
||
|
|
type DatabaseWriter interface {
|
||
|
|
Put(key []byte, value []byte) error
|
||
|
|
}
|
||
|
|
|
||
|
|
// DatabaseDeleter wraps the Delete method of a backing data store.
|
||
|
|
type DatabaseDeleter interface {
|
||
|
|
Delete(key []byte) error
|
||
|
|
}
|