mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 12:57:18 +00:00
435 lines
14 KiB
Go
435 lines
14 KiB
Go
/**
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* Explore DB contents
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*
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* Given a beacon-chain DB, This tool provides many option to
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* inspect and explore it. For every non-empty bucket, print
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* the number of rows, bucket size,min/average/max size of values
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*/
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package main
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import (
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"context"
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"flag"
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"os"
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"path/filepath"
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"sync"
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"time"
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"github.com/dustin/go-humanize"
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types "github.com/prysmaticlabs/eth2-types"
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"github.com/prysmaticlabs/prysm/beacon-chain/db/kv"
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iface "github.com/prysmaticlabs/prysm/beacon-chain/state/interface"
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pbp2p "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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"github.com/prysmaticlabs/prysm/shared/bytesutil"
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log "github.com/sirupsen/logrus"
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"github.com/status-im/keycard-go/hexutils"
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bolt "go.etcd.io/bbolt"
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)
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var (
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datadir = flag.String("datadir", "", "Path to data directory.")
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dbName = flag.String("dbname", "", "database name.")
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bucketStats = flag.Bool("bucket-stats", false, "Show all the bucket stats.")
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bucketContents = flag.Bool("bucket-contents", false, "Show contents of a given bucket.")
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bucketName = flag.String("bucket-name", "", "bucket to show contents.")
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rowLimit = flag.Uint64("limit", 10, "limit to rows.")
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)
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// used to parallelize all the bucket stats
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type bucketStat struct {
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bucketName string
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noOfRows uint64
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totalKeySize uint64
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totalValueSize uint64
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minKeySize uint64
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maxKeySize uint64
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minValueSize uint64
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maxValueSize uint64
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}
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// used to parallelize state bucket processing
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type modifiedState struct {
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state iface.BeaconState
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key []byte
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valueSize uint64
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rowCount uint64
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}
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// used to parallelize state summary bucket processing
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type modifiedStateSummary struct {
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slot types.Slot
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root []byte
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key []byte
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valueSize uint64
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rowCount uint64
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}
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func main() {
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flag.Parse()
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// Check for the mandatory flags.
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if *datadir == "" {
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log.Fatal("Please specify --datadir <db path> to read the database")
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}
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if *dbName == "" {
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log.Fatal("Please specify --dbname <db file name> to specify the database file.")
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}
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// check if the database file is present.
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dbNameWithPath := filepath.Join(*datadir, *dbName)
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if _, err := os.Stat(*datadir); os.IsNotExist(err) {
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log.Fatalf("could not locate database file : %s, %v", dbNameWithPath, err)
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}
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// show stats of all the buckets.
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if *bucketStats {
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printBucketStats(dbNameWithPath)
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return
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}
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// show teh contents of the specified bucket.
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if *bucketContents {
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switch *bucketName {
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case "state", "state-summary":
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printBucketContents(dbNameWithPath, *rowLimit, *bucketName)
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default:
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log.Fatal("Oops, Only 'state' and 'state-summary' buckets are supported for now.")
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}
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}
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}
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func printBucketStats(dbNameWithPath string) {
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ctx := context.Background()
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groupSize := uint64(128)
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doneC := make(chan bool)
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statsC := make(chan *bucketStat, groupSize)
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go readBucketStats(ctx, dbNameWithPath, statsC)
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go printBucketStates(statsC, doneC)
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<-doneC
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}
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func printBucketContents(dbNameWithPath string, rowLimit uint64, bucketName string) {
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// get the keys within the supplied limit for the given bucket.
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bucketNameInBytes := []byte(bucketName)
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keys, sizes := keysOfBucket(dbNameWithPath, bucketNameInBytes, rowLimit)
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// create a new KV Store.
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dbDirectory := filepath.Dir(dbNameWithPath)
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db, openErr := kv.NewKVStore(context.Background(), dbDirectory, &kv.Config{})
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if openErr != nil {
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log.Fatalf("could not open db, %v", openErr)
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}
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// don't forget to close it when ejecting out of this function.
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defer func() {
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closeErr := db.Close()
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if closeErr != nil {
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log.Fatalf("could not close db, %v", closeErr)
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}
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}()
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// retrieve every element for keys in the list and call the respective display function.
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ctx := context.Background()
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groupSize := uint64(128)
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doneC := make(chan bool)
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switch bucketName {
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case "state":
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stateC := make(chan *modifiedState, groupSize)
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go readStates(ctx, db, stateC, keys, sizes)
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go printStates(stateC, doneC)
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case "state-summary":
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stateSummaryC := make(chan *modifiedStateSummary, groupSize)
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go readStateSummary(ctx, db, stateSummaryC, keys, sizes)
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go printStateSummary(stateSummaryC, doneC)
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}
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<-doneC
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}
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func readBucketStats(ctx context.Context, dbNameWithPath string, statsC chan<- *bucketStat) {
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// open the raw database file. If the file is busy, then exit.
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db, openErr := bolt.Open(dbNameWithPath, 0600, &bolt.Options{Timeout: 1 * time.Second})
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if openErr != nil {
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log.Fatalf("could not open db to show bucket stats, %v", openErr)
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}
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// make sure we close the database before ejecting out of this function.
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defer func() {
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closeErr := db.Close()
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if closeErr != nil {
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log.Fatalf("could not close db after showing bucket stats, %v", closeErr)
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}
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}()
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// get a list of all the existing buckets.
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var buckets []string
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if viewErr1 := db.View(func(tx *bolt.Tx) error {
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return tx.ForEach(func(name []byte, buc *bolt.Bucket) error {
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buckets = append(buckets, string(name))
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return nil
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})
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}); viewErr1 != nil {
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log.Fatalf("could not read buckets from db while getting list of buckets: %v", viewErr1)
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}
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// for every bucket, calculate the stats and send it for printing.
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// calculate the state of all the buckets in parallel.
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var wg sync.WaitGroup
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for _, bName := range buckets {
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wg.Add(1)
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go func(bukName string) {
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defer wg.Done()
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count := uint64(0)
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minValueSize := ^uint64(0)
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maxValueSize := uint64(0)
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totalValueSize := uint64(0)
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minKeySize := ^uint64(0)
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maxKeySize := uint64(0)
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totalKeySize := uint64(0)
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if viewErr2 := db.View(func(tx *bolt.Tx) error {
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b := tx.Bucket([]byte(bukName))
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if forEachErr := b.ForEach(func(k, v []byte) error {
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count++
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valueSize := uint64(len(v))
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if valueSize < minValueSize {
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minValueSize = valueSize
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}
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if valueSize > maxValueSize {
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maxValueSize = valueSize
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}
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totalValueSize += valueSize
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keyize := uint64(len(k))
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if keyize < minKeySize {
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minKeySize = keyize
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}
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if keyize > maxKeySize {
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maxKeySize = keyize
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}
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totalKeySize += uint64(len(k))
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return nil
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}); forEachErr != nil {
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log.WithError(forEachErr).Errorf("could not process row %d for bucket: %s", count, bukName)
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return forEachErr
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}
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return nil
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}); viewErr2 != nil {
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log.WithError(viewErr2).Errorf("could not get stats for bucket: %s", bukName)
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return
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}
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stat := &bucketStat{
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bucketName: bukName,
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noOfRows: count,
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totalKeySize: totalKeySize,
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totalValueSize: totalValueSize,
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minKeySize: minKeySize,
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maxKeySize: maxKeySize,
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minValueSize: minValueSize,
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maxValueSize: maxValueSize,
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}
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statsC <- stat
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}(bName)
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}
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wg.Wait()
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close(statsC)
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}
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func readStates(ctx context.Context, db *kv.Store, stateC chan<- *modifiedState, keys [][]byte, sizes []uint64) {
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for rowCount, key := range keys {
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st, stateErr := db.State(ctx, bytesutil.ToBytes32(key))
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if stateErr != nil {
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log.WithError(stateErr).Errorf("could not get state for key : %s", hexutils.BytesToHex(key))
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continue
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}
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mst := &modifiedState{
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state: st,
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key: key,
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valueSize: sizes[rowCount],
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rowCount: uint64(rowCount),
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}
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stateC <- mst
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}
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close(stateC)
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}
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func readStateSummary(ctx context.Context, db *kv.Store, stateSummaryC chan<- *modifiedStateSummary, keys [][]byte, sizes []uint64) {
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for rowCount, key := range keys {
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ss, ssErr := db.StateSummary(ctx, bytesutil.ToBytes32(key))
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if ssErr != nil {
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log.WithError(ssErr).Errorf("could not get state summary for key : %s", hexutils.BytesToHex(key))
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continue
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}
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mst := &modifiedStateSummary{
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slot: ss.Slot,
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root: ss.Root,
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key: key,
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valueSize: sizes[rowCount],
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rowCount: uint64(rowCount),
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}
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stateSummaryC <- mst
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}
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close(stateSummaryC)
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}
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func printBucketStates(statsC <-chan *bucketStat, doneC chan<- bool) {
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for stat := range statsC {
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if stat.noOfRows != 0 {
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averageValueSize := stat.totalValueSize / stat.noOfRows
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averageKeySize := stat.totalKeySize / stat.noOfRows
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log.Infof("------ %s ---------", stat.bucketName)
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log.Infof("NumberOfRows = %d", stat.noOfRows)
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log.Infof("TotalBucketSize = %s", humanize.Bytes(stat.totalValueSize+stat.totalKeySize))
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log.Infof("KeySize = %s, (min = %s, avg = %s, max = %s)",
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humanize.Bytes(stat.totalKeySize),
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humanize.Bytes(stat.minKeySize),
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humanize.Bytes(averageKeySize),
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humanize.Bytes(stat.maxKeySize))
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log.Infof("ValueSize = %s, (min = %s, avg = %s, max = %s)",
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humanize.Bytes(stat.totalValueSize),
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humanize.Bytes(stat.minValueSize),
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humanize.Bytes(averageValueSize),
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humanize.Bytes(stat.maxValueSize))
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}
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}
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doneC <- true
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}
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func printStates(stateC <-chan *modifiedState, doneC chan<- bool) {
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for mst := range stateC {
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st := mst.state
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log.Infof("---- row = %04d ----", mst.rowCount)
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log.Infof("key : %s", hexutils.BytesToHex(mst.key))
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log.Infof("value : compressed size = %s", humanize.Bytes(mst.valueSize))
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t := time.Unix(int64(st.GenesisTime()), 0)
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log.Infof("genesis_time : %s", t.Format(time.UnixDate))
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log.Infof("genesis_validators_root : %s", hexutils.BytesToHex(st.GenesisValidatorRoot()))
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log.Infof("slot : %d", st.Slot())
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log.Infof("fork : previous_version = %b, current_version = %b", st.Fork().PreviousVersion, st.Fork().CurrentVersion)
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log.Infof("latest_block_header : sizeSSZ = %s", humanize.Bytes(uint64(st.LatestBlockHeader().SizeSSZ())))
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size, count := sizeAndCountOfByteList(st.BlockRoots())
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log.Infof("block_roots : size = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountOfByteList(st.StateRoots())
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log.Infof("state_roots : size = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountOfByteList(st.HistoricalRoots())
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log.Infof("historical_roots : size = %s, count = %d", humanize.Bytes(size), count)
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log.Infof("eth1_data : sizeSSZ = %s", humanize.Bytes(uint64(st.Eth1Data().SizeSSZ())))
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size, count = sizeAndCountGeneric(st.Eth1DataVotes(), nil)
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log.Infof("eth1_data_votes : sizeSSZ = %s, count = %d", humanize.Bytes(size), count)
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log.Infof("eth1_deposit_index : %d", st.Eth1DepositIndex())
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size, count = sizeAndCountGeneric(st.Validators(), nil)
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log.Infof("validators : sizeSSZ = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountOfUin64List(st.Balances())
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log.Infof("balances : size = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountOfByteList(st.RandaoMixes())
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log.Infof("randao_mixes : size = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountOfUin64List(st.Slashings())
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log.Infof("slashings : size = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountGeneric(st.PreviousEpochAttestations())
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log.Infof("previous_epoch_attestations : sizeSSZ = %s, count = %d", humanize.Bytes(size), count)
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size, count = sizeAndCountGeneric(st.CurrentEpochAttestations())
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log.Infof("current_epoch_attestations : sizeSSZ = %s, count = %d", humanize.Bytes(size), count)
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log.Infof("justification_bits : size = %s, count = %d", humanize.Bytes(st.JustificationBits().Len()), st.JustificationBits().Count())
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log.Infof("previous_justified_checkpoint : sizeSSZ = %s", humanize.Bytes(uint64(st.PreviousJustifiedCheckpoint().SizeSSZ())))
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log.Infof("current_justified_checkpoint : sizeSSZ = %s", humanize.Bytes(uint64(st.CurrentJustifiedCheckpoint().SizeSSZ())))
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log.Infof("finalized_checkpoint : sizeSSZ = %s", humanize.Bytes(uint64(st.FinalizedCheckpoint().SizeSSZ())))
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}
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doneC <- true
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}
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func printStateSummary(stateSummaryC <-chan *modifiedStateSummary, doneC chan<- bool) {
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for msts := range stateSummaryC {
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log.Infof("row : %04d, slot : %d, root = %s", msts.rowCount, msts.slot, hexutils.BytesToHex(msts.root))
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}
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doneC <- true
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}
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func keysOfBucket(dbNameWithPath string, bucketName []byte, rowLimit uint64) ([][]byte, []uint64) {
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// open the raw database file. If the file is busy, then exit.
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db, openErr := bolt.Open(dbNameWithPath, 0600, &bolt.Options{Timeout: 1 * time.Second})
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if openErr != nil {
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log.Fatalf("could not open db while getting keys of a bucket, %v", openErr)
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}
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// make sure we close the database before ejecting out of this function.
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defer func() {
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closeErr := db.Close()
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if closeErr != nil {
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log.Fatalf("could not close db while getting keys of a bucket, %v", closeErr)
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}
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}()
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// get all the keys of the given bucket.
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var keys [][]byte
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var sizes []uint64
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if viewErr := db.View(func(tx *bolt.Tx) error {
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b := tx.Bucket(bucketName)
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c := b.Cursor()
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count := uint64(0)
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for k, v := c.First(); k != nil; k, v = c.Next() {
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if count >= rowLimit {
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return nil
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}
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keys = append(keys, k)
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sizes = append(sizes, uint64(len(v)))
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count++
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}
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return nil
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}); viewErr != nil {
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log.Fatalf("could not read keys of bucket from db: %v", viewErr)
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}
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return keys, sizes
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}
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func sizeAndCountOfByteList(list [][]byte) (uint64, uint64) {
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size := uint64(0)
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count := uint64(0)
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for _, root := range list {
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size += uint64(len(root))
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count += 1
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}
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return size, count
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}
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func sizeAndCountOfUin64List(list []uint64) (uint64, uint64) {
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size := uint64(0)
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count := uint64(0)
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for i := 0; i < len(list); i++ {
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size += uint64(8)
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count += 1
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}
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return size, count
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}
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func sizeAndCountGeneric(genericItems interface{}, err error) (uint64, uint64) {
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size := uint64(0)
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count := uint64(0)
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if err != nil {
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return size, count
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}
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switch items := genericItems.(type) {
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case []*ethpb.Eth1Data:
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for _, item := range items {
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size += uint64(item.SizeSSZ())
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}
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count = uint64(len(items))
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case []*ethpb.Validator:
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for _, item := range items {
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size += uint64(item.SizeSSZ())
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}
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count = uint64(len(items))
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case []*pbp2p.PendingAttestation:
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for _, item := range items {
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size += uint64(item.SizeSSZ())
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}
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count = uint64(len(items))
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default:
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return 0, 0
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}
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return size, count
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}
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