2024-04-10 04:02:45 -05:00
|
|
|
// Copyright 2024 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 snap
|
|
|
|
|
|
|
|
import (
|
|
|
|
"encoding/json"
|
|
|
|
"testing"
|
|
|
|
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
|
|
)
|
|
|
|
|
|
|
|
// Legacy sync progress definitions
|
|
|
|
type legacyStorageTask struct {
|
|
|
|
Next common.Hash // Next account to sync in this interval
|
|
|
|
Last common.Hash // Last account to sync in this interval
|
|
|
|
}
|
|
|
|
|
|
|
|
type legacyAccountTask struct {
|
|
|
|
Next common.Hash // Next account to sync in this interval
|
|
|
|
Last common.Hash // Last account to sync in this interval
|
|
|
|
SubTasks map[common.Hash][]*legacyStorageTask // Storage intervals needing fetching for large contracts
|
|
|
|
}
|
|
|
|
|
|
|
|
type legacyProgress struct {
|
|
|
|
Tasks []*legacyAccountTask // The suspended account tasks (contract tasks within)
|
|
|
|
}
|
|
|
|
|
|
|
|
func compareProgress(a legacyProgress, b SyncProgress) bool {
|
|
|
|
if len(a.Tasks) != len(b.Tasks) {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
for i := 0; i < len(a.Tasks); i++ {
|
|
|
|
if a.Tasks[i].Next != b.Tasks[i].Next {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
if a.Tasks[i].Last != b.Tasks[i].Last {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
// new fields are not checked here
|
|
|
|
|
|
|
|
if len(a.Tasks[i].SubTasks) != len(b.Tasks[i].SubTasks) {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
for addrHash, subTasksA := range a.Tasks[i].SubTasks {
|
|
|
|
subTasksB, ok := b.Tasks[i].SubTasks[addrHash]
|
|
|
|
if !ok || len(subTasksB) != len(subTasksA) {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
for j := 0; j < len(subTasksA); j++ {
|
|
|
|
if subTasksA[j].Next != subTasksB[j].Next {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
if subTasksA[j].Last != subTasksB[j].Last {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
|
|
|
func makeLegacyProgress() legacyProgress {
|
|
|
|
return legacyProgress{
|
|
|
|
Tasks: []*legacyAccountTask{
|
|
|
|
{
|
|
|
|
Next: common.Hash{},
|
|
|
|
Last: common.Hash{0x77},
|
|
|
|
SubTasks: map[common.Hash][]*legacyStorageTask{
|
2024-05-27 01:39:39 -05:00
|
|
|
{0x1}: {
|
2024-04-10 04:02:45 -05:00
|
|
|
{
|
|
|
|
Next: common.Hash{},
|
|
|
|
Last: common.Hash{0xff},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
{
|
|
|
|
Next: common.Hash{0x88},
|
|
|
|
Last: common.Hash{0xff},
|
|
|
|
},
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func convertLegacy(legacy legacyProgress) SyncProgress {
|
|
|
|
var progress SyncProgress
|
|
|
|
for i, task := range legacy.Tasks {
|
|
|
|
subTasks := make(map[common.Hash][]*storageTask)
|
|
|
|
for owner, list := range task.SubTasks {
|
|
|
|
var cpy []*storageTask
|
|
|
|
for i := 0; i < len(list); i++ {
|
|
|
|
cpy = append(cpy, &storageTask{
|
|
|
|
Next: list[i].Next,
|
|
|
|
Last: list[i].Last,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
subTasks[owner] = cpy
|
|
|
|
}
|
|
|
|
accountTask := &accountTask{
|
|
|
|
Next: task.Next,
|
|
|
|
Last: task.Last,
|
|
|
|
SubTasks: subTasks,
|
|
|
|
}
|
|
|
|
if i == 0 {
|
|
|
|
accountTask.StorageCompleted = []common.Hash{{0xaa}, {0xbb}} // fulfill new fields
|
|
|
|
}
|
|
|
|
progress.Tasks = append(progress.Tasks, accountTask)
|
|
|
|
}
|
|
|
|
return progress
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestSyncProgressCompatibility(t *testing.T) {
|
|
|
|
// Decode serialized bytes of legacy progress, backward compatibility
|
|
|
|
legacy := makeLegacyProgress()
|
|
|
|
blob, err := json.Marshal(legacy)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to marshal progress %v", err)
|
|
|
|
}
|
|
|
|
var dec SyncProgress
|
|
|
|
if err := json.Unmarshal(blob, &dec); err != nil {
|
|
|
|
t.Fatalf("Failed to unmarshal progress %v", err)
|
|
|
|
}
|
|
|
|
if !compareProgress(legacy, dec) {
|
|
|
|
t.Fatal("sync progress is not backward compatible")
|
|
|
|
}
|
|
|
|
|
|
|
|
// Decode serialized bytes of new format progress
|
|
|
|
progress := convertLegacy(legacy)
|
|
|
|
blob, err = json.Marshal(progress)
|
|
|
|
if err != nil {
|
|
|
|
t.Fatalf("Failed to marshal progress %v", err)
|
|
|
|
}
|
|
|
|
var legacyDec legacyProgress
|
|
|
|
if err := json.Unmarshal(blob, &legacyDec); err != nil {
|
|
|
|
t.Fatalf("Failed to unmarshal progress %v", err)
|
|
|
|
}
|
|
|
|
if !compareProgress(legacyDec, progress) {
|
|
|
|
t.Fatal("sync progress is not forward compatible")
|
|
|
|
}
|
|
|
|
}
|