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- // 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 <http://www.gnu.org/licenses/>.
- package trie
- import (
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/ethdb/memorydb"
- )
- // Tests that the trie database returns a missing trie node error if attempting
- // to retrieve the meta root.
- func TestDatabaseMetarootFetch(t *testing.T) {
- db := NewDatabase(memorydb.New())
- if _, err := db.Node(common.Hash{}); err == nil {
- t.Fatalf("metaroot retrieval succeeded")
- }
- }
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