127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
// Copyright 2022 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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"os"
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"testing"
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"github.com/ethereum/go-ethereum/rlp"
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)
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func TestReadWriteFreezerTableMeta(t *testing.T) {
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f, err := os.CreateTemp(t.TempDir(), "*")
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if err != nil {
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t.Fatalf("Failed to create file %v", err)
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}
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defer f.Close()
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meta, err := newMetadata(f)
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if err != nil {
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t.Fatalf("Failed to new metadata %v", err)
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}
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meta.setVirtualTail(100, false)
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meta, err = newMetadata(f)
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if err != nil {
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t.Fatalf("Failed to reload metadata %v", err)
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}
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if meta.version != freezerTableV2 {
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t.Fatalf("Unexpected version field")
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}
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if meta.virtualTail != uint64(100) {
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t.Fatalf("Unexpected virtual tail field")
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}
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}
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func TestUpgradeMetadata(t *testing.T) {
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f, err := os.CreateTemp(t.TempDir(), "*")
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if err != nil {
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t.Fatalf("Failed to create file %v", err)
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}
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defer f.Close()
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// Write legacy metadata into file
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type obj struct {
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Version uint16
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Tail uint64
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}
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var o obj
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o.Version = freezerTableV1
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o.Tail = 100
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if err := rlp.Encode(f, &o); err != nil {
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t.Fatalf("Failed to encode %v", err)
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}
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// Reload the metadata, a silent upgrade is expected
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meta, err := newMetadata(f)
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if err != nil {
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t.Fatalf("Failed to read metadata %v", err)
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}
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if meta.version != freezerTableV1 {
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t.Fatal("Unexpected version field")
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}
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if meta.virtualTail != uint64(100) {
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t.Fatal("Unexpected virtual tail field")
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}
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if meta.flushOffset != 0 {
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t.Fatal("Unexpected flush offset field")
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}
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meta.setFlushOffset(100, true)
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meta, err = newMetadata(f)
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if err != nil {
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t.Fatalf("Failed to read metadata %v", err)
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}
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if meta.version != freezerTableV2 {
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t.Fatal("Unexpected version field")
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}
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if meta.virtualTail != uint64(100) {
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t.Fatal("Unexpected virtual tail field")
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}
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if meta.flushOffset != 100 {
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t.Fatal("Unexpected flush offset field")
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}
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}
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func TestInvalidMetadata(t *testing.T) {
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f, err := os.CreateTemp(t.TempDir(), "*")
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if err != nil {
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t.Fatalf("Failed to create file %v", err)
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}
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defer f.Close()
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// Write invalid legacy metadata into file
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type obj struct {
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Version uint16
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Tail uint64
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}
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var o obj
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o.Version = freezerTableV2 // -> invalid version tag
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o.Tail = 100
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if err := rlp.Encode(f, &o); err != nil {
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t.Fatalf("Failed to encode %v", err)
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}
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_, err = newMetadata(f)
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if err == nil {
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t.Fatal("Unexpected success")
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}
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}
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