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DBCleanCopy.go
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DBCleanCopy.go
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package main
import (
"fmt"
"os"
"github.com/FactomProject/factomd/common/interfaces"
"github.com/FactomProject/factomd/common/primitives"
"github.com/FactomProject/factomd/database/databaseOverlay"
"github.com/FactomProject/factomd/database/hybridDB"
)
const level string = "level"
const bolt string = "bolt"
func main() {
fmt.Println("Usage:")
fmt.Println("DBCleanCopy level/bolt DBFileLocation")
fmt.Println("Database will be copied over block by block to remove some DB inconsistencies")
if len(os.Args) < 3 {
fmt.Println("\nNot enough arguments passed")
os.Exit(1)
}
if len(os.Args) > 3 {
fmt.Println("\nToo many arguments passed")
os.Exit(1)
}
levelBolt := os.Args[1]
if levelBolt != level && levelBolt != bolt {
fmt.Println("\nFirst argument should be `level` or `bolt`")
os.Exit(1)
}
path := os.Args[2]
var dbase1 *hybridDB.HybridDB
var dbase2 *hybridDB.HybridDB
var err error
if levelBolt == bolt {
dbase1 = hybridDB.NewBoltMapHybridDB(nil, path)
dbase2 = hybridDB.NewBoltMapHybridDB(nil, "copied.db")
} else {
dbase1, err = hybridDB.NewLevelMapHybridDB(path, false)
if err != nil {
panic(err)
}
dbase2, err = hybridDB.NewLevelMapHybridDB("copied.db", true)
if err != nil {
panic(err)
}
}
dbo1 := databaseOverlay.NewOverlay(dbase1)
dbo2 := databaseOverlay.NewOverlay(dbase2)
CopyDB(dbo1, dbo2)
dbo1.Close()
dbo2.Close()
}
func CopyDB(dbase1, dbase2 interfaces.DBOverlay) {
processing := ""
defer func() {
if r := recover(); r != nil {
err := fmt.Errorf("Error processing: %v", processing)
panic(err)
}
}()
dBlocks, err := dbase1.FetchAllDBlocks()
if err != nil {
panic(err)
}
prevECHash := primitives.NewZeroHash()
for _, dBlock := range dBlocks {
dbase2.StartMultiBatch()
err := dbase2.ProcessDBlockMultiBatch(dBlock)
if err != nil {
panic(err)
}
for _, dbEntry := range dBlock.GetDBEntries() {
switch dbEntry.GetChainID().String() {
case "000000000000000000000000000000000000000000000000000000000000000a":
aBlock, err := dbase1.FetchABlock(dbEntry.GetKeyMR())
if err != nil {
panic(err)
}
err = dbase2.ProcessABlockMultiBatch(aBlock)
if err != nil {
panic(err)
}
break
case "000000000000000000000000000000000000000000000000000000000000000c":
ecBlock, err := dbase1.FetchECBlock(dbEntry.GetKeyMR())
if err != nil {
panic(err)
}
if ecBlock.GetHeader().GetPrevHeaderHash().IsSameAs(prevECHash) == false {
prev, err := dbase1.FetchECBlock(ecBlock.GetHeader().GetPrevHeaderHash())
if err != nil {
panic(err)
}
err = dbase2.ProcessECBlockMultiBatch(prev, true)
if err != nil {
panic(err)
}
}
err = dbase2.ProcessECBlockMultiBatch(ecBlock, true)
if err != nil {
panic(err)
}
prevECHash = dbEntry.GetKeyMR()
break
case "000000000000000000000000000000000000000000000000000000000000000f":
fBlock, err := dbase1.FetchFBlock(dbEntry.GetKeyMR())
if err != nil {
panic(err)
}
err = dbase2.ProcessFBlockMultiBatch(fBlock)
if err != nil {
panic(err)
}
break
default:
processing = fmt.Sprintf("%v - %v - %v", dBlock.GetKeyMR().String(), dbEntry.GetChainID().String(), dbEntry.GetKeyMR().String())
eBlock, err := dbase1.FetchEBlock(dbEntry.GetKeyMR())
if err != nil {
panic(err)
}
err = dbase2.ProcessEBlockMultiBatch(eBlock, true)
if err != nil {
panic(err)
}
for _, h := range eBlock.GetEntryHashes() {
entry, err := dbase1.FetchEntry(h)
if err != nil {
panic(err)
}
err = dbase2.InsertEntryMultiBatch(entry)
if err != nil {
panic(err)
}
}
break
}
}
if err := dbase2.ExecuteMultiBatch(); err != nil {
panic(err)
}
if dBlock.GetDatabaseHeight()%1000 == 0 {
fmt.Printf("Processed block #%v\n", dBlock.GetDatabaseHeight())
}
}
}