mirror of https://github.com/status-im/op-geth.git
129 lines
3.6 KiB
Go
129 lines
3.6 KiB
Go
// Copyright 2020 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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import (
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"bytes"
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"testing"
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"github.com/ethereum/go-ethereum/ethdb"
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)
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func TestTableDatabase(t *testing.T) { testTableDatabase(t, "prefix") }
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func TestEmptyPrefixTableDatabase(t *testing.T) { testTableDatabase(t, "") }
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type testReplayer struct {
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puts [][]byte
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dels [][]byte
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}
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func (r *testReplayer) Put(key []byte, value []byte) error {
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r.puts = append(r.puts, key)
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return nil
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}
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func (r *testReplayer) Delete(key []byte) error {
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r.dels = append(r.dels, key)
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return nil
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}
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func testTableDatabase(t *testing.T, prefix string) {
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db := NewTable(NewMemoryDatabase(), prefix)
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var entries = []struct {
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key []byte
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value []byte
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}{
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{[]byte{0x01, 0x02}, []byte{0x0a, 0x0b}},
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{[]byte{0x03, 0x04}, []byte{0x0c, 0x0d}},
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{[]byte{0x05, 0x06}, []byte{0x0e, 0x0f}},
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{[]byte{0xff, 0xff, 0x01}, []byte{0x1a, 0x1b}},
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{[]byte{0xff, 0xff, 0x02}, []byte{0x1c, 0x1d}},
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{[]byte{0xff, 0xff, 0x03}, []byte{0x1e, 0x1f}},
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}
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// Test Put/Get operation
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for _, entry := range entries {
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db.Put(entry.key, entry.value)
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}
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for _, entry := range entries {
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got, err := db.Get(entry.key)
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if err != nil {
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t.Fatalf("Failed to get value: %v", err)
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}
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if !bytes.Equal(got, entry.value) {
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t.Fatalf("Value mismatch: want=%v, got=%v", entry.value, got)
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}
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}
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// Test batch operation
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db = NewTable(NewMemoryDatabase(), prefix)
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batch := db.NewBatch()
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for _, entry := range entries {
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batch.Put(entry.key, entry.value)
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}
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batch.Write()
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for _, entry := range entries {
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got, err := db.Get(entry.key)
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if err != nil {
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t.Fatalf("Failed to get value: %v", err)
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}
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if !bytes.Equal(got, entry.value) {
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t.Fatalf("Value mismatch: want=%v, got=%v", entry.value, got)
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}
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}
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// Test batch replayer
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r := &testReplayer{}
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batch.Replay(r)
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for index, entry := range entries {
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got := r.puts[index]
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if !bytes.Equal(got, entry.key) {
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t.Fatalf("Key mismatch: want=%v, got=%v", entry.key, got)
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}
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}
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check := func(iter ethdb.Iterator, expCount, index int) {
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count := 0
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for iter.Next() {
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key, value := iter.Key(), iter.Value()
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if !bytes.Equal(key, entries[index].key) {
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t.Fatalf("Key mismatch: want=%v, got=%v", entries[index].key, key)
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}
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if !bytes.Equal(value, entries[index].value) {
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t.Fatalf("Value mismatch: want=%v, got=%v", entries[index].value, value)
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}
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index += 1
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count++
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}
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if count != expCount {
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t.Fatalf("Wrong number of elems, exp %d got %d", expCount, count)
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}
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iter.Release()
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}
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// Test iterators
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check(db.NewIterator(nil, nil), 6, 0)
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// Test iterators with prefix
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check(db.NewIterator([]byte{0xff, 0xff}, nil), 3, 3)
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// Test iterators with start point
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check(db.NewIterator(nil, []byte{0xff, 0xff, 0x02}), 2, 4)
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// Test iterators with prefix and start point
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check(db.NewIterator([]byte{0xee}, nil), 0, 0)
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check(db.NewIterator(nil, []byte{0x00}), 6, 0)
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}
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