// Copyright 2019 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 . package trie import ( "github.com/ethereum/go-ethereum/core/rawdb" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/trie/triedb/hashdb" ) // newTestDatabase initializes the trie database with specified scheme. func newTestDatabase(diskdb ethdb.Database, scheme string) *Database { db := prepare(diskdb, nil) if scheme == rawdb.HashScheme { db.backend = hashdb.New(diskdb, db.cleans, mptResolver{}) } //} else { // db.backend = snap.New(diskdb, db.cleans, nil) //} return db }