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9712e858e2
* aloow_delete_dupsort_values * check canonical receipt * exclusive lock for mdbx * readme_load_dump_tables * readme_load_dump_tables * readme_load_dump_tables * Remove IdealBatchSize change Co-authored-by: Alexey Akhunov <akhounov@gmail.com>
34 lines
1.3 KiB
Go
34 lines
1.3 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package rawdb
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// DatabaseReader wraps the Has and Get method of a backing data store.
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type DatabaseReader interface {
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Has(bucket string, key []byte) (bool, error)
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Get(bucket string, key []byte) ([]byte, error)
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}
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// DatabaseWriter wraps the Put method of a backing data store.
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type DatabaseWriter interface {
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Put(bucket string, key []byte, value []byte) error
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}
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// DatabaseDeleter wraps the Delete method of a backing data store.
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type DatabaseDeleter interface {
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Delete(bucket string, k, v []byte) error
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}
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