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stage_execute.go
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stage_execute.go
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// Copyright 2024 The Erigon Authors
// This file is part of Erigon.
//
// Erigon 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.
//
// Erigon 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 Erigon. If not, see <http://www.gnu.org/licenses/>.
package stagedsync
import (
"context"
"errors"
"fmt"
"time"
"github.com/c2h5oh/datasize"
"github.com/erigontech/erigon/cmd/state/exec3"
"golang.org/x/sync/errgroup"
"github.com/erigontech/erigon-lib/chain"
"github.com/erigontech/erigon-lib/common"
"github.com/erigontech/erigon-lib/common/datadir"
"github.com/erigontech/erigon-lib/common/dbg"
"github.com/erigontech/erigon-lib/config3"
"github.com/erigontech/erigon-lib/kv"
"github.com/erigontech/erigon-lib/kv/rawdbv3"
"github.com/erigontech/erigon-lib/kv/temporal"
"github.com/erigontech/erigon-lib/log/v3"
libstate "github.com/erigontech/erigon-lib/state"
"github.com/erigontech/erigon-lib/wrap"
"github.com/erigontech/erigon/consensus"
"github.com/erigontech/erigon/core/rawdb"
"github.com/erigontech/erigon/core/rawdb/rawdbhelpers"
"github.com/erigontech/erigon/core/state"
"github.com/erigontech/erigon/core/types"
"github.com/erigontech/erigon/core/vm"
"github.com/erigontech/erigon/eth/ethconfig"
"github.com/erigontech/erigon/eth/stagedsync/stages"
"github.com/erigontech/erigon/ethdb/prune"
"github.com/erigontech/erigon/turbo/services"
"github.com/erigontech/erigon/turbo/shards"
"github.com/erigontech/erigon/turbo/silkworm"
"github.com/erigontech/erigon/turbo/snapshotsync/freezeblocks"
)
const (
logInterval = 30 * time.Second
// stateStreamLimit - don't accumulate state changes if jump is bigger than this amount of blocks
stateStreamLimit uint64 = 1_000
)
type headerDownloader interface {
ReportBadHeaderPoS(badHeader, lastValidAncestor common.Hash)
}
type ExecuteBlockCfg struct {
db kv.RwDB
batchSize datasize.ByteSize
prune prune.Mode
chainConfig *chain.Config
notifications *shards.Notifications
engine consensus.Engine
vmConfig *vm.Config
badBlockHalt bool
stateStream bool
blockReader services.FullBlockReader
hd headerDownloader
author *common.Address
// last valid number of the stage
dirs datadir.Dirs
historyV3 bool
syncCfg ethconfig.Sync
genesis *types.Genesis
silkworm *silkworm.Silkworm
blockProduction bool
keepAllChangesets bool
applyWorker, applyWorkerMining *exec3.Worker
}
func StageExecuteBlocksCfg(
db kv.RwDB,
pm prune.Mode,
batchSize datasize.ByteSize,
chainConfig *chain.Config,
engine consensus.Engine,
vmConfig *vm.Config,
notifications *shards.Notifications,
stateStream bool,
badBlockHalt bool,
keepAllChangesets bool,
dirs datadir.Dirs,
blockReader services.FullBlockReader,
hd headerDownloader,
genesis *types.Genesis,
syncCfg ethconfig.Sync,
silkworm *silkworm.Silkworm,
) ExecuteBlockCfg {
if dirs.SnapDomain == "" {
panic("empty `dirs` variable")
}
return ExecuteBlockCfg{
db: db,
prune: pm,
batchSize: batchSize,
chainConfig: chainConfig,
engine: engine,
vmConfig: vmConfig,
dirs: dirs,
notifications: notifications,
stateStream: stateStream,
badBlockHalt: badBlockHalt,
blockReader: blockReader,
hd: hd,
genesis: genesis,
historyV3: true,
syncCfg: syncCfg,
silkworm: silkworm,
keepAllChangesets: keepAllChangesets,
applyWorker: exec3.NewWorker(nil, log.Root(), context.Background(), false, db, nil, blockReader, chainConfig, genesis, nil, engine, dirs, stages.ApplyingBlocks),
applyWorkerMining: exec3.NewWorker(nil, log.Root(), context.Background(), false, db, nil, blockReader, chainConfig, genesis, nil, engine, dirs, stages.BlockProduction),
}
}
// ================ Erigon3 ================
func ExecBlockV3(s *StageState, u Unwinder, txc wrap.TxContainer, toBlock uint64, ctx context.Context, cfg ExecuteBlockCfg, initialCycle bool, logger log.Logger) (err error) {
workersCount := cfg.syncCfg.ExecWorkerCount
if !initialCycle {
workersCount = 1
}
prevStageProgress, err := senderStageProgress(txc.Tx, cfg.db)
if err != nil {
return err
}
var to = prevStageProgress
if toBlock > 0 {
to = min(prevStageProgress, toBlock)
}
if to < s.BlockNumber {
return nil
}
parallel := txc.Tx == nil
if err := ExecV3(ctx, s, u, workersCount, cfg, txc, parallel, to, logger, initialCycle); err != nil {
return err
}
return nil
}
var ErrTooDeepUnwind = errors.New("too deep unwind")
func unwindExec3(u *UnwindState, s *StageState, txc wrap.TxContainer, ctx context.Context, br services.FullBlockReader, accumulator *shards.Accumulator, logger log.Logger) (err error) {
var domains *libstate.SharedDomains
if txc.Doms == nil {
domains, err = libstate.NewSharedDomains(txc.Tx, logger)
if err != nil {
return err
}
defer domains.Close()
} else {
domains = txc.Doms
}
rs := state.NewStateV3(domains, logger)
txNumsReader := rawdbv3.TxNums.WithCustomReadTxNumFunc(freezeblocks.ReadTxNumFuncFromBlockReader(ctx, br))
// unwind all txs of u.UnwindPoint block. 1 txn in begin/end of block - system txs
txNum, err := txNumsReader.Min(txc.Tx, u.UnwindPoint+1)
if err != nil {
return err
}
t := time.Now()
var changeset *[kv.DomainLen][]libstate.DomainEntryDiff
for currentBlock := u.CurrentBlockNumber; currentBlock > u.UnwindPoint; currentBlock-- {
currentHash, ok, err := br.CanonicalHash(ctx, txc.Tx, currentBlock)
if err != nil {
return err
}
if !ok {
return fmt.Errorf("canonical hash not found %d", currentBlock)
}
var currentKeys [kv.DomainLen][]libstate.DomainEntryDiff
currentKeys, ok, err = domains.GetDiffset(txc.Tx, currentHash, currentBlock)
if !ok {
return fmt.Errorf("domains.GetDiffset(%d, %s): not found", currentBlock, currentHash)
}
if err != nil {
return err
}
if changeset == nil {
changeset = ¤tKeys
} else {
for i := range currentKeys {
changeset[i] = libstate.MergeDiffSets(changeset[i], currentKeys[i])
}
}
}
if err := rs.Unwind(ctx, txc.Tx, u.UnwindPoint, txNum, accumulator, changeset); err != nil {
return fmt.Errorf("StateV3.Unwind(%d->%d): %w, took %s", s.BlockNumber, u.UnwindPoint, err, time.Since(t))
}
if err := rawdb.TruncateBorReceipts(txc.Tx, u.UnwindPoint+1); err != nil {
return fmt.Errorf("truncate bor receipts: %w", err)
}
if err := rawdb.DeleteNewerEpochs(txc.Tx, u.UnwindPoint+1); err != nil {
return fmt.Errorf("delete newer epochs: %w", err)
}
return nil
}
func senderStageProgress(tx kv.Tx, db kv.RoDB) (prevStageProgress uint64, err error) {
if tx != nil {
prevStageProgress, err = stages.GetStageProgress(tx, stages.Senders)
if err != nil {
return prevStageProgress, err
}
} else {
if err = db.View(context.Background(), func(tx kv.Tx) error {
prevStageProgress, err = stages.GetStageProgress(tx, stages.Senders)
if err != nil {
return err
}
return nil
}); err != nil {
return prevStageProgress, err
}
}
return prevStageProgress, nil
}
// ================ Erigon3 End ================
func SpawnExecuteBlocksStage(s *StageState, u Unwinder, txc wrap.TxContainer, toBlock uint64, ctx context.Context, cfg ExecuteBlockCfg, logger log.Logger) (err error) {
if dbg.StagesOnlyBlocks {
return nil
}
if err = ExecBlockV3(s, u, txc, toBlock, ctx, cfg, s.CurrentSyncCycle.IsInitialCycle, logger); err != nil {
return err
}
return nil
}
func blocksReadAhead(ctx context.Context, cfg *ExecuteBlockCfg, workers int, histV3 bool) (chan uint64, context.CancelFunc) {
const readAheadBlocks = 100
readAhead := make(chan uint64, readAheadBlocks)
g, gCtx := errgroup.WithContext(ctx)
for workerNum := 0; workerNum < workers; workerNum++ {
g.Go(func() (err error) {
var bn uint64
var ok bool
var tx kv.Tx
defer func() {
if tx != nil {
tx.Rollback()
}
}()
for i := 0; ; i++ {
select {
case bn, ok = <-readAhead:
if !ok {
return
}
case <-gCtx.Done():
return gCtx.Err()
}
if i%100 == 0 {
if tx != nil {
tx.Rollback()
}
tx, err = cfg.db.BeginRo(ctx)
if err != nil {
return err
}
}
if err := blocksReadAheadFunc(gCtx, tx, cfg, bn+readAheadBlocks, histV3); err != nil {
return err
}
}
})
}
return readAhead, func() {
close(readAhead)
_ = g.Wait()
}
}
func blocksReadAheadFunc(ctx context.Context, tx kv.Tx, cfg *ExecuteBlockCfg, blockNum uint64, histV3 bool) error {
block, err := cfg.blockReader.BlockByNumber(ctx, tx, blockNum)
if err != nil {
return err
}
if block == nil {
return nil
}
_, _ = cfg.engine.Author(block.HeaderNoCopy()) // Bor consensus: this calc is heavy and has cache
if histV3 {
return nil
}
return nil
}
func UnwindExecutionStage(u *UnwindState, s *StageState, txc wrap.TxContainer, ctx context.Context, cfg ExecuteBlockCfg, logger log.Logger) (err error) {
//fmt.Printf("unwind: %d -> %d\n", u.CurrentBlockNumber, u.UnwindPoint)
if u.UnwindPoint >= s.BlockNumber {
return nil
}
useExternalTx := txc.Tx != nil
if !useExternalTx {
txc.Tx, err = cfg.db.BeginRw(ctx)
if err != nil {
return err
}
defer txc.Tx.Rollback()
}
logPrefix := u.LogPrefix()
logger.Info(fmt.Sprintf("[%s] Unwind Execution", logPrefix), "from", s.BlockNumber, "to", u.UnwindPoint)
unwindToLimit, ok, err := txc.Tx.(libstate.HasAggTx).AggTx().(*libstate.AggregatorRoTx).CanUnwindBeforeBlockNum(u.UnwindPoint, txc.Tx)
if err != nil {
return err
}
if !ok {
return fmt.Errorf("%w: %d < %d", ErrTooDeepUnwind, u.UnwindPoint, unwindToLimit)
}
if err = unwindExecutionStage(u, s, txc, ctx, cfg, logger); err != nil {
return err
}
if err = u.Done(txc.Tx); err != nil {
return err
}
//dumpPlainStateDebug(tx, nil)
if !useExternalTx {
if err = txc.Tx.Commit(); err != nil {
return err
}
}
return nil
}
func unwindExecutionStage(u *UnwindState, s *StageState, txc wrap.TxContainer, ctx context.Context, cfg ExecuteBlockCfg, logger log.Logger) error {
var accumulator *shards.Accumulator
if cfg.stateStream && s.BlockNumber-u.UnwindPoint < stateStreamLimit {
accumulator = cfg.notifications.Accumulator
hash, ok, err := cfg.blockReader.CanonicalHash(ctx, txc.Tx, u.UnwindPoint)
if err != nil {
return fmt.Errorf("read canonical hash of unwind point: %w", err)
}
if !ok {
return fmt.Errorf("canonical hash not found %d", u.UnwindPoint)
}
txs, err := cfg.blockReader.RawTransactions(ctx, txc.Tx, u.UnwindPoint, s.BlockNumber)
if err != nil {
return err
}
accumulator.StartChange(u.UnwindPoint, hash, txs, true)
}
return unwindExec3(u, s, txc, ctx, cfg.blockReader, accumulator, logger)
}
func PruneExecutionStage(s *PruneState, tx kv.RwTx, cfg ExecuteBlockCfg, 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 s.ForwardProgress > config3.MaxReorgDepthV3 && !cfg.keepAllChangesets {
// (chunkLen is 8Kb) * (1_000 chunks) = 8mb
// Some blocks on bor-mainnet have 400 chunks of diff = 3mb
var pruneDiffsLimitOnChainTip = 1_000
if s.CurrentSyncCycle.IsInitialCycle {
pruneDiffsLimitOnChainTip *= 10
}
if err := rawdb.PruneTable(tx, kv.ChangeSets3, s.ForwardProgress-config3.MaxReorgDepthV3, ctx, pruneDiffsLimitOnChainTip); err != nil {
return err
}
}
mxExecStepsInDB.Set(rawdbhelpers.IdxStepsCountV3(tx) * 100)
logEvery := time.NewTicker(logInterval)
defer logEvery.Stop()
// on chain-tip:
// - can prune only between blocks (without blocking blocks processing)
// - need also leave some time to prune blocks
// - need keep "fsync" time of db fast
// Means - the best is:
// - stop prune when `tx.SpaceDirty()` is big
// - and set ~500ms timeout
// because on slow disks - prune is slower. but for now - let's tune for nvme first, and add `tx.SpaceDirty()` check later https://github.com/erigontech/erigon/issues/11635
pruneTimeout := 250 * time.Millisecond
if s.CurrentSyncCycle.IsInitialCycle {
pruneTimeout = 12 * time.Hour
}
if _, err = tx.(*temporal.Tx).AggTx().(*libstate.AggregatorRoTx).PruneSmallBatches(ctx, pruneTimeout, tx); err != nil { // prune part of retired data, before commit
return err
}
if err = s.Done(tx); err != nil {
return err
}
if !useExternalTx {
if err = tx.Commit(); err != nil {
return err
}
}
return nil
}