mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-24 04:27:16 +00:00
236 lines
6.3 KiB
Go
236 lines
6.3 KiB
Go
package app
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import (
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"context"
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"encoding/binary"
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"fmt"
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"path"
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"path/filepath"
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"runtime"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon-lib/common/dir"
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"github.com/ledgerwatch/erigon-lib/etl"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon-lib/kv/mdbx"
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"github.com/ledgerwatch/erigon/cmd/hack/tool"
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"github.com/ledgerwatch/erigon/cmd/utils"
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"github.com/ledgerwatch/erigon/core/rawdb"
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"github.com/ledgerwatch/erigon/eth/ethconfig"
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"github.com/ledgerwatch/erigon/internal/debug"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/erigon/turbo/snapshotsync"
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"github.com/ledgerwatch/log/v3"
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"github.com/urfave/cli"
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)
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const ASSERT = false
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var snapshotCommand = cli.Command{
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Name: "snapshots",
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Description: `Managing snapshots (historical data partitions)`,
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Subcommands: []cli.Command{
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{
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Name: "create",
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Action: doSnapshotCommand,
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Usage: "Create snapshots for given range of blocks",
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Before: func(ctx *cli.Context) error { return debug.Setup(ctx) },
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Flags: append([]cli.Flag{
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utils.DataDirFlag,
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SnapshotFromFlag,
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SnapshotToFlag,
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SnapshotSegmentSizeFlag,
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}, debug.Flags...),
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},
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{
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Name: "index",
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Action: doIndicesCommand,
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Usage: "Create all indices for snapshots",
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Before: func(ctx *cli.Context) error { return debug.Setup(ctx) },
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Flags: append([]cli.Flag{
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utils.DataDirFlag,
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SnapshotFromFlag,
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SnapshotRebuildFlag,
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}, debug.Flags...),
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},
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},
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}
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var (
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SnapshotFromFlag = cli.Uint64Flag{
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Name: "from",
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Usage: "From block number",
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Value: 0,
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}
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SnapshotToFlag = cli.Uint64Flag{
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Name: "to",
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Usage: "To block number. Zero - means unlimited.",
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Value: 0,
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}
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SnapshotSegmentSizeFlag = cli.Uint64Flag{
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Name: "segment.size",
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Usage: "Amount of blocks in each segment",
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Value: snapshotsync.DEFAULT_SEGMENT_SIZE,
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}
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SnapshotRebuildFlag = cli.BoolFlag{
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Name: "rebuild",
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Usage: "Force rebuild",
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}
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)
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func doIndicesCommand(cliCtx *cli.Context) error {
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ctx, cancel := common.RootContext()
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defer cancel()
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dataDir := cliCtx.String(utils.DataDirFlag.Name)
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snapshotDir := filepath.Join(dataDir, "snapshots")
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tmpDir := filepath.Join(dataDir, etl.TmpDirName)
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rebuild := cliCtx.Bool(SnapshotRebuildFlag.Name)
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from := cliCtx.Uint64(SnapshotFromFlag.Name)
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chainDB := mdbx.NewMDBX(log.New()).Path(path.Join(dataDir, "chaindata")).Readonly().MustOpen()
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defer chainDB.Close()
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if rebuild {
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cfg := ethconfig.NewSnapshotCfg(true, true)
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rwSnapshotDir, err := dir.OpenRw(snapshotDir)
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if err != nil {
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return err
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}
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defer rwSnapshotDir.Close()
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if err := rebuildIndices(ctx, chainDB, cfg, rwSnapshotDir, tmpDir, from); err != nil {
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log.Error("Error", "err", err)
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}
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}
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return nil
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}
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func doSnapshotCommand(cliCtx *cli.Context) error {
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ctx, cancel := common.RootContext()
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defer cancel()
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fromBlock := cliCtx.Uint64(SnapshotFromFlag.Name)
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toBlock := cliCtx.Uint64(SnapshotToFlag.Name)
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segmentSize := cliCtx.Uint64(SnapshotSegmentSizeFlag.Name)
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if segmentSize < 1000 {
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return fmt.Errorf("too small --segment.size %d", segmentSize)
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}
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dataDir := cliCtx.String(utils.DataDirFlag.Name)
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snapshotDir := filepath.Join(dataDir, "snapshots")
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tmpDir := filepath.Join(dataDir, etl.TmpDirName)
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dir.MustExist(tmpDir)
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chainDB := mdbx.NewMDBX(log.New()).Path(filepath.Join(dataDir, "chaindata")).Readonly().MustOpen()
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defer chainDB.Close()
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if err := snapshotBlocks(ctx, chainDB, fromBlock, toBlock, segmentSize, snapshotDir, tmpDir); err != nil {
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log.Error("Error", "err", err)
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}
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return nil
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}
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func rebuildIndices(ctx context.Context, chainDB kv.RoDB, cfg ethconfig.Snapshot, snapshotDir *dir.Rw, tmpDir string, from uint64) error {
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chainConfig := tool.ChainConfigFromDB(chainDB)
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chainID, _ := uint256.FromBig(chainConfig.ChainID)
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allSnapshots := snapshotsync.NewRoSnapshots(cfg, snapshotDir.Path)
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if err := allSnapshots.ReopenSegments(); err != nil {
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return err
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}
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if err := snapshotsync.BuildIndices(ctx, allSnapshots, snapshotDir, *chainID, tmpDir, from); err != nil {
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return err
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}
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return nil
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}
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func snapshotBlocks(ctx context.Context, chainDB kv.RoDB, fromBlock, toBlock, blocksPerFile uint64, snapshotDir, tmpDir string) error {
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var last uint64
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if toBlock > 0 {
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last = toBlock
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} else {
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lastChunk := func(tx kv.Tx, blocksPerFile uint64) (uint64, error) {
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c, err := tx.Cursor(kv.BlockBody)
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if err != nil {
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return 0, err
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}
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k, _, err := c.Last()
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if err != nil {
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return 0, err
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}
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last := binary.BigEndian.Uint64(k)
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if last > params.FullImmutabilityThreshold {
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last -= params.FullImmutabilityThreshold
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} else {
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last = 0
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}
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last = last - last%blocksPerFile
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return last, nil
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}
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if err := chainDB.View(context.Background(), func(tx kv.Tx) (err error) {
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last, err = lastChunk(tx, blocksPerFile)
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return err
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}); err != nil {
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return err
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}
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}
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dir.MustExist(snapshotDir)
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log.Info("Last body number", "last", last)
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workers := runtime.NumCPU() - 1
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if workers < 1 {
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workers = 1
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}
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if err := snapshotsync.DumpBlocks(ctx, fromBlock, last, blocksPerFile, tmpDir, snapshotDir, chainDB, workers); err != nil {
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return err
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}
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return nil
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}
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//nolint
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func checkBlockSnapshot(chaindata string) error {
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database := mdbx.MustOpen(chaindata)
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defer database.Close()
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dataDir := path.Dir(chaindata)
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chainConfig := tool.ChainConfigFromDB(database)
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chainID, _ := uint256.FromBig(chainConfig.ChainID)
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_ = chainID
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cfg := ethconfig.NewSnapshotCfg(true, true)
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snapshots := snapshotsync.NewRoSnapshots(cfg, filepath.Join(dataDir, "snapshots"))
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snapshots.ReopenSegments()
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snapshots.ReopenIndices()
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//if err := snapshots.BuildIndices(context.Background(), *chainID); err != nil {
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// panic(err)
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//}
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snBlockReader := snapshotsync.NewBlockReaderWithSnapshots(snapshots)
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tx, err := database.BeginRo(context.Background())
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if err != nil {
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return err
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}
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defer tx.Rollback()
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for i := uint64(0); i < snapshots.BlocksAvailable(); i++ {
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hash, err := rawdb.ReadCanonicalHash(tx, i)
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if err != nil {
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return err
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}
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blockFromDB := rawdb.ReadBlock(tx, hash, i)
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blockFromSnapshot, _, err := snBlockReader.BlockWithSenders(context.Background(), tx, hash, i)
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if err != nil {
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return err
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}
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if blockFromSnapshot.Hash() != blockFromDB.Hash() {
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panic(i)
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}
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if i%1_000 == 0 {
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log.Info(fmt.Sprintf("Block Num: %dK", i/1_000))
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}
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}
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return nil
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}
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