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rebuilddb2.go
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rebuilddb2.go
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package main
import (
"database/sql"
"fmt"
"net"
"os"
"os/signal"
"runtime/pprof"
"strings"
"sync"
"time"
"github.com/btcsuite/btclog"
"github.com/dcrdata/dcrdata/db/dcrpg"
"github.com/dcrdata/dcrdata/rpcutils"
"github.com/decred/dcrd/rpcclient"
)
var (
backendLog *btclog.Backend
rpcclientLogger btclog.Logger
sqliteLogger btclog.Logger
)
const (
rescanLogBlockChunk = 250
)
func init() {
err := InitLogger()
if err != nil {
fmt.Printf("Unable to start logger: %v", err)
os.Exit(1)
}
backendLog = btclog.NewBackend(log.Writer())
rpcclientLogger = backendLog.Logger("RPC")
rpcclient.UseLogger(rpcclientLogger)
sqliteLogger = backendLog.Logger("DSQL")
dcrpg.UseLogger(rpcclientLogger)
}
func mainCore() error {
// Parse the configuration file, and setup logger.
cfg, err := loadConfig()
if err != nil {
fmt.Printf("Failed to load dcrdata config: %s\n", err.Error())
return err
}
if cfg.CPUProfile != "" {
var f *os.File
f, err = os.Create(cfg.CPUProfile)
if err != nil {
log.Fatal(err)
return err
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
// Connect to node RPC server
client, _, err := rpcutils.ConnectNodeRPC(cfg.DcrdServ, cfg.DcrdUser,
cfg.DcrdPass, cfg.DcrdCert, cfg.DisableDaemonTLS)
if err != nil {
log.Fatalf("Unable to connect to RPC server: %v", err)
return err
}
infoResult, err := client.GetInfo()
if err != nil {
log.Errorf("GetInfo failed: %v", err)
return err
}
log.Info("Node connection count: ", infoResult.Connections)
host, port := cfg.DBHostPort, ""
if !strings.HasPrefix(host, "/") {
host, port, err = net.SplitHostPort(cfg.DBHostPort)
if err != nil {
log.Errorf("SplitHostPort failed: %v", err)
return err
}
}
dbi := dcrpg.DBInfo{
Host: host,
Port: port,
User: cfg.DBUser,
Pass: cfg.DBPass,
DBName: cfg.DBName,
}
db, err := dcrpg.NewChainDB(&dbi, activeChain)
if db != nil {
defer db.Close()
}
if err != nil {
return err
}
if cfg.DropDBTables {
db.DropTables()
return nil
}
if err = db.SetupTables(); err != nil {
return err
}
// Ctrl-C to shut down.
// Nothing should be sent the quit channel. It should only be closed.
quit := make(chan struct{})
// Only accept a single CTRL+C
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
// Start waiting for the interrupt signal
go func() {
<-c
signal.Stop(c)
// Close the channel so multiple goroutines can get the message
log.Infof("CTRL+C hit. Closing goroutines. Please wait.")
close(quit)
}()
// Get chain servers's best block
_, height, err := client.GetBestBlock()
if err != nil {
return fmt.Errorf("GetBestBlock failed: %v", err)
}
// genesisHash, err := client.GetBlockHash(0)
// if err != nil {
// log.Error("GetBlockHash failed: ", err)
// return err
// }
//prev_hash := genesisHash.String()
var totalTxs, totalVins, totalVouts int64
var lastTxs, lastVins, lastVouts int64
tickTime := 10 * time.Second
ticker := time.NewTicker(tickTime)
startTime := time.Now()
o := sync.Once{}
speedReporter := func() {
ticker.Stop()
totalElapsed := time.Since(startTime).Seconds()
if int64(totalElapsed) == 0 {
return
}
totalVoutPerSec := totalVouts / int64(totalElapsed)
totalTxPerSec := totalTxs / int64(totalElapsed)
log.Infof("Avg. speed: %d tx/s, %d vout/s", totalTxPerSec, totalVoutPerSec)
}
speedReport := func() { o.Do(speedReporter) }
defer speedReport()
bestHeight, err := db.HeightDB()
lastBlock := int64(bestHeight)
if err != nil {
if err == sql.ErrNoRows {
lastBlock = -1
log.Info("blocks table is empty, starting fresh.")
} else {
log.Errorln("RetrieveBestBlockHeight:", err)
return err
}
}
// Remove indexes/constraints before bulk import
blocksToSync := height - lastBlock
reindexing := blocksToSync > height/2
if reindexing || cfg.ForceReindex {
log.Info("Large bulk load: Removing indexes and disabling duplicate checks.")
err = db.DeindexAll()
if err != nil && !strings.Contains(err.Error(), "does not exist") {
return err
}
db.EnableDuplicateCheckOnInsert(false)
} else {
db.EnableDuplicateCheckOnInsert(true)
}
startHeight := lastBlock + 1
for ib := startHeight; ib <= height; ib++ {
// check for quit signal
select {
case <-quit:
log.Infof("Rescan cancelled at height %d.", ib)
return nil
default:
}
if (ib-1)%rescanLogBlockChunk == 0 || ib == startHeight {
if ib == 0 {
log.Infof("Scanning genesis block.")
} else {
endRangeBlock := rescanLogBlockChunk * (1 + (ib-1)/rescanLogBlockChunk)
if endRangeBlock > height {
endRangeBlock = height
}
log.Infof("Processing blocks %d to %d...", ib, endRangeBlock)
}
}
select {
case <-ticker.C:
blocksPerSec := float64(ib-lastBlock) / tickTime.Seconds()
txPerSec := float64(totalTxs-lastTxs) / tickTime.Seconds()
vinsPerSec := float64(totalVins-lastVins) / tickTime.Seconds()
voutPerSec := float64(totalVouts-lastVouts) / tickTime.Seconds()
log.Infof("(%3d blk/s,%5d tx/s,%5d vin/sec,%5d vout/s)", int64(blocksPerSec),
int64(txPerSec), int64(vinsPerSec), int64(voutPerSec))
lastBlock, lastTxs = ib, totalTxs
lastVins, lastVouts = totalVins, totalVouts
default:
}
block, blockHash, err := rpcutils.GetBlock(ib, client)
if err != nil {
return fmt.Errorf("GetBlock failed (%s): %v", blockHash, err)
}
var numVins, numVouts int64
numVins, numVouts, err = db.StoreBlock(block.MsgBlock(), true, !cfg.UpdateAddrSpendInfo)
if err != nil {
return fmt.Errorf("StoreBlock failed: %v", err)
}
totalVins += numVins
totalVouts += numVouts
numSTx := int64(len(block.STransactions()))
numRTx := int64(len(block.Transactions()))
totalTxs += numRTx + numSTx
// totalRTxs += numRTx
// totalSTxs += numSTx
// update height, the end condition for the loop
if _, height, err = client.GetBestBlock(); err != nil {
return fmt.Errorf("GetBestBlock failed: %v", err)
}
}
speedReport()
if reindexing || cfg.ForceReindex {
if err = db.IndexAll(); err != nil {
return fmt.Errorf("IndexAll failed: %v", err)
}
if !cfg.UpdateAddrSpendInfo {
err = db.IndexAddressTable()
}
}
if cfg.UpdateAddrSpendInfo {
// Remove existing indexes not on funding txns
_ = db.DeindexAddressTable() // ignore errors for non-existent indexes
log.Infof("Populating spending tx info in address table...")
numAddresses, err := db.UpdateSpendingInfoInAllAddresses()
if err != nil {
log.Errorf("UpdateSpendingInfoInAllAddresses FAILED: %v", err)
}
log.Infof("Updated %d rows of address table", numAddresses)
if err = db.IndexAddressTable(); err != nil {
log.Errorf("IndexAddressTable FAILED: %v", err)
}
}
log.Infof("Rebuild finished at height %d. Delta: %d blocks, %d transactions, %d ins, %d outs",
height, height-startHeight+1, totalTxs, totalVins, totalVouts)
return err
}
func main() {
if err := mainCore(); err != nil {
log.Error(err)
os.Exit(1)
}
os.Exit(0)
}