op-geth/core/rawdb/ancient_scheme.go

54 lines
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// Copyright 2022 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
// The list of table names of chain freezer.
const (
// ChainFreezerHeaderTable indicates the name of the freezer header table.
ChainFreezerHeaderTable = "headers"
// ChainFreezerHashTable indicates the name of the freezer canonical hash table.
ChainFreezerHashTable = "hashes"
// ChainFreezerBodiesTable indicates the name of the freezer block body table.
ChainFreezerBodiesTable = "bodies"
// ChainFreezerReceiptTable indicates the name of the freezer receipts table.
ChainFreezerReceiptTable = "receipts"
// ChainFreezerDifficultyTable indicates the name of the freezer total difficulty table.
ChainFreezerDifficultyTable = "diffs"
)
// chainFreezerNoSnappy configures whether compression is disabled for the ancient-tables.
// Hashes and difficulties don't compress well.
var chainFreezerNoSnappy = map[string]bool{
ChainFreezerHeaderTable: false,
ChainFreezerHashTable: true,
ChainFreezerBodiesTable: false,
ChainFreezerReceiptTable: false,
ChainFreezerDifficultyTable: true,
}
// The list of identifiers of ancient stores.
var (
chainFreezerName = "chain" // the folder name of chain segment ancient store.
)
// freezers the collections of all builtin freezers.
var freezers = []string{chainFreezerName}