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stage_senders.go
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stage_senders.go
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package stagedsync
import (
"context"
"encoding/binary"
"errors"
"fmt"
"math"
"sync"
"time"
libcommon "github.com/ledgerwatch/erigon-lib/common"
"github.com/ledgerwatch/erigon-lib/common/cmp"
"github.com/ledgerwatch/erigon-lib/common/length"
"github.com/ledgerwatch/erigon-lib/etl"
"github.com/ledgerwatch/erigon-lib/kv"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/common/dbutils"
"github.com/ledgerwatch/erigon/common/debug"
"github.com/ledgerwatch/erigon/core/rawdb"
"github.com/ledgerwatch/erigon/core/types"
"github.com/ledgerwatch/erigon/eth/stagedsync/stages"
"github.com/ledgerwatch/erigon/ethdb/prune"
"github.com/ledgerwatch/erigon/params"
"github.com/ledgerwatch/erigon/turbo/snapshotsync"
"github.com/ledgerwatch/erigon/turbo/stages/headerdownload"
"github.com/ledgerwatch/log/v3"
"github.com/ledgerwatch/secp256k1"
)
type SendersCfg struct {
db kv.RwDB
batchSize int
blockSize int
bufferSize int
numOfGoroutines int
readChLen int
badBlockHalt bool
tmpdir string
prune prune.Mode
chainConfig *params.ChainConfig
blockRetire *snapshotsync.BlockRetire
hd *headerdownload.HeaderDownload
}
func StageSendersCfg(db kv.RwDB, chainCfg *params.ChainConfig, badBlockHalt bool, tmpdir string, prune prune.Mode, br *snapshotsync.BlockRetire, hd *headerdownload.HeaderDownload) SendersCfg {
const sendersBatchSize = 10000
const sendersBlockSize = 4096
return SendersCfg{
db: db,
batchSize: sendersBatchSize,
blockSize: sendersBlockSize,
bufferSize: (sendersBlockSize * 10 / 20) * 10000, // 20*4096
numOfGoroutines: secp256k1.NumOfContexts(), // we can only be as parallels as our crypto library supports,
readChLen: 4,
badBlockHalt: badBlockHalt,
tmpdir: tmpdir,
chainConfig: chainCfg,
prune: prune,
blockRetire: br,
hd: hd,
}
}
func SpawnRecoverSendersStage(cfg SendersCfg, s *StageState, u Unwinder, tx kv.RwTx, toBlock uint64, ctx context.Context, quiet bool) error {
if cfg.blockRetire != nil && cfg.blockRetire.Snapshots() != nil && cfg.blockRetire.Snapshots().Cfg().Enabled && s.BlockNumber < cfg.blockRetire.Snapshots().BlocksAvailable() {
s.BlockNumber = cfg.blockRetire.Snapshots().BlocksAvailable()
}
quitCh := ctx.Done()
useExternalTx := tx != nil
if !useExternalTx {
var err error
tx, err = cfg.db.BeginRw(context.Background())
if err != nil {
return err
}
defer tx.Rollback()
}
prevStageProgress, errStart := stages.GetStageProgress(tx, stages.Bodies)
if errStart != nil {
return errStart
}
var to = prevStageProgress
if toBlock > 0 {
to = cmp.Min(prevStageProgress, toBlock)
}
if to < s.BlockNumber {
return nil
}
logPrefix := s.LogPrefix()
if !quiet && to > s.BlockNumber+16 {
log.Info(fmt.Sprintf("[%s] Started", logPrefix), "from", s.BlockNumber, "to", to)
}
logEvery := time.NewTicker(30 * time.Second)
defer logEvery.Stop()
canonicalC, err := tx.Cursor(kv.HeaderCanonical)
if err != nil {
return err
}
defer canonicalC.Close()
startFrom := s.BlockNumber + 1
currentHeaderIdx := uint64(0)
canonical := make([]common.Hash, to-s.BlockNumber)
for k, v, err := canonicalC.Seek(dbutils.EncodeBlockNumber(startFrom)); k != nil; k, v, err = canonicalC.Next() {
if err != nil {
return err
}
if err := libcommon.Stopped(quitCh); err != nil {
return err
}
if currentHeaderIdx >= to-s.BlockNumber { // if header stage is ehead of body stage
break
}
copy(canonical[currentHeaderIdx][:], v)
currentHeaderIdx++
select {
default:
case <-logEvery.C:
log.Info(fmt.Sprintf("[%s] Preload headers", logPrefix), "block_number", binary.BigEndian.Uint64(k))
}
}
log.Trace(fmt.Sprintf("[%s] Read canonical hashes", logPrefix), "amount", len(canonical))
jobs := make(chan *senderRecoveryJob, cfg.batchSize)
out := make(chan *senderRecoveryJob, cfg.batchSize)
wg := new(sync.WaitGroup)
wg.Add(cfg.numOfGoroutines)
ctx, cancelWorkers := context.WithCancel(context.Background())
defer cancelWorkers()
for i := 0; i < cfg.numOfGoroutines; i++ {
go func(threadNo int) {
defer debug.LogPanic()
defer wg.Done()
// each goroutine gets it's own crypto context to make sure they are really parallel
recoverSenders(ctx, logPrefix, secp256k1.ContextForThread(threadNo), cfg.chainConfig, jobs, out, quitCh)
}(i)
}
collectorSenders := etl.NewCollector(logPrefix, cfg.tmpdir, etl.NewSortableBuffer(etl.BufferOptimalSize))
defer collectorSenders.Close()
errCh := make(chan senderRecoveryError)
go func() {
defer debug.LogPanic()
defer close(errCh)
defer cancelWorkers()
var ok bool
var j *senderRecoveryJob
for {
select {
case <-quitCh:
return
case <-logEvery.C:
n := s.BlockNumber
if j != nil {
n += uint64(j.index)
}
log.Info(fmt.Sprintf("[%s] Recovery", logPrefix), "block_number", n, "ch", fmt.Sprintf("%d/%d", len(jobs), cap(jobs)))
case j, ok = <-out:
if !ok {
return
}
if j.err != nil {
errCh <- senderRecoveryError{err: j.err, blockNumber: j.blockNumber, blockHash: j.blockHash}
return
}
k := make([]byte, 4)
binary.BigEndian.PutUint32(k, uint32(j.index))
index := int(binary.BigEndian.Uint32(k))
if err := collectorSenders.Collect(dbutils.BlockBodyKey(s.BlockNumber+uint64(index)+1, canonical[index]), j.senders); err != nil {
errCh <- senderRecoveryError{err: j.err}
return
}
}
}
}()
var minBlockNum uint64 = math.MaxUint64
var minBlockHash common.Hash
var minBlockErr error
handleRecoverErr := func(recErr senderRecoveryError) error {
if recErr.blockHash == (common.Hash{}) {
return recErr.err
}
if recErr.blockNumber < minBlockNum {
minBlockNum = recErr.blockNumber
minBlockHash = recErr.blockHash
minBlockErr = recErr.err
}
return nil
}
bodiesC, err := tx.Cursor(kv.BlockBody)
if err != nil {
return err
}
defer bodiesC.Close()
Loop:
for k, _, err := bodiesC.Seek(dbutils.EncodeBlockNumber(startFrom)); k != nil; k, _, err = bodiesC.Next() {
if err != nil {
return err
}
if err := libcommon.Stopped(quitCh); err != nil {
return err
}
blockNumber := binary.BigEndian.Uint64(k[:8])
blockHash := common.BytesToHash(k[8:])
if blockNumber > to {
break
}
if canonical[blockNumber-s.BlockNumber-1] != blockHash {
// non-canonical case
continue
}
body := rawdb.ReadCanonicalBodyWithTransactions(tx, blockHash, blockNumber)
select {
case recoveryErr := <-errCh:
if recoveryErr.err != nil {
cancelWorkers()
if err := handleRecoverErr(recoveryErr); err != nil {
return err
}
break Loop
}
case jobs <- &senderRecoveryJob{body: body, key: k, blockNumber: blockNumber, blockHash: blockHash, index: int(blockNumber - s.BlockNumber - 1)}:
}
}
close(jobs)
wg.Wait()
close(out)
for recoveryErr := range errCh {
if recoveryErr.err != nil {
cancelWorkers()
if err := handleRecoverErr(recoveryErr); err != nil {
return err
}
}
}
if minBlockErr != nil {
log.Error(fmt.Sprintf("[%s] Error recovering senders for block %d %x): %v", logPrefix, minBlockNum, minBlockHash, minBlockErr))
if cfg.badBlockHalt {
return minBlockErr
}
minHeader := rawdb.ReadHeader(tx, minBlockHash, minBlockNum)
if cfg.hd != nil {
cfg.hd.ReportBadHeaderPoS(minBlockHash, minHeader.ParentHash)
}
if to > s.BlockNumber {
u.UnwindTo(minBlockNum-1, minBlockHash)
}
} else {
if err := collectorSenders.Load(tx, kv.Senders, etl.IdentityLoadFunc, etl.TransformArgs{
Quit: quitCh,
LogDetailsLoad: func(k, v []byte) (additionalLogArguments []interface{}) {
return []interface{}{"block", binary.BigEndian.Uint64(k)}
},
}); err != nil {
return err
}
if err = s.Update(tx, to); err != nil {
return err
}
}
if !useExternalTx {
if err := tx.Commit(); err != nil {
return err
}
}
return nil
}
type senderRecoveryError struct {
err error
blockNumber uint64
blockHash common.Hash
}
type senderRecoveryJob struct {
body *types.Body
key []byte
senders []byte
blockHash common.Hash
blockNumber uint64
index int
err error
}
func recoverSenders(ctx context.Context, logPrefix string, cryptoContext *secp256k1.Context, config *params.ChainConfig, in, out chan *senderRecoveryJob, quit <-chan struct{}) {
var job *senderRecoveryJob
var ok bool
for {
select {
case job, ok = <-in:
if !ok {
return
}
if job == nil {
return
}
case <-ctx.Done():
return
case <-quit:
return
}
body := job.body
signer := types.MakeSigner(config, job.blockNumber)
job.senders = make([]byte, len(body.Transactions)*length.Addr)
for i, tx := range body.Transactions {
from, err := signer.SenderWithContext(cryptoContext, tx)
if err != nil {
job.err = fmt.Errorf("%s: error recovering sender for tx=%x, %w", logPrefix, tx.Hash(), err)
break
}
copy(job.senders[i*length.Addr:], from[:])
}
// prevent sending to close channel
if err := libcommon.Stopped(quit); err != nil {
job.err = err
} else if err = libcommon.Stopped(ctx.Done()); err != nil {
job.err = err
}
out <- job
if errors.Is(job.err, libcommon.ErrStopped) {
return
}
}
}
func UnwindSendersStage(s *UnwindState, tx kv.RwTx, cfg SendersCfg, ctx context.Context) (err error) {
useExternalTx := tx != nil
if !useExternalTx {
tx, err = cfg.db.BeginRw(ctx)
if err != nil {
return err
}
defer tx.Rollback()
}
if err = s.Done(tx); err != nil {
return err
}
if !useExternalTx {
if err = tx.Commit(); err != nil {
return err
}
}
return nil
}
func PruneSendersStage(s *PruneState, tx kv.RwTx, cfg SendersCfg, ctx context.Context) (err error) {
logEvery := time.NewTicker(logInterval)
defer logEvery.Stop()
useExternalTx := tx != nil
if !useExternalTx {
tx, err = cfg.db.BeginRw(ctx)
if err != nil {
return err
}
defer tx.Rollback()
}
sn := cfg.blockRetire.Snapshots()
if !(sn != nil && sn.Cfg().Enabled && sn.Cfg().Produce) && cfg.prune.TxIndex.Enabled() {
to := cfg.prune.TxIndex.PruneTo(s.ForwardProgress)
if err = rawdb.PruneTable(tx, kv.Senders, to, ctx, 1_000); err != nil {
return err
}
}
if !useExternalTx {
if err = tx.Commit(); err != nil {
return err
}
}
return nil
}