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Diffstat (limited to 'core/rawdb/interfaces.go')
-rw-r--r-- | core/rawdb/interfaces.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/core/rawdb/interfaces.go b/core/rawdb/interfaces.go new file mode 100644 index 000000000..3bdf55124 --- /dev/null +++ b/core/rawdb/interfaces.go @@ -0,0 +1,33 @@ +// 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 +} |