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Merge pull request #10932 from filecoin-project/backfill-txhash
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Add lotus-shed command for backfilling txhash.db
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arajasek committed Jun 6, 2023
2 parents 86c3a69 + 26b4866 commit 424bab3
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Showing 2 changed files with 153 additions and 23 deletions.
174 changes: 152 additions & 22 deletions cmd/lotus-shed/msgindex.go → cmd/lotus-shed/indexes.go
Expand Up @@ -4,29 +4,39 @@ import (
"database/sql"
"fmt"
"path"
"path/filepath"
"strings"

_ "github.com/mattn/go-sqlite3"
"github.com/mitchellh/go-homedir"
"github.com/urfave/cli/v2"
"golang.org/x/xerrors"

"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/crypto"

"github.com/filecoin-project/lotus/chain/types/ethtypes"
lcli "github.com/filecoin-project/lotus/cli"
)

var msgindexCmd = &cli.Command{
Name: "msgindex",
Usage: "Tools for managing the message index",
func withCategory(cat string, cmd *cli.Command) *cli.Command {
cmd.Category = strings.ToUpper(cat)
return cmd
}

var indexesCmd = &cli.Command{
Name: "indexes",
Usage: "Commands related to managing sqlite indexes",
HideHelpCommand: true,
Subcommands: []*cli.Command{
msgindexBackfillCmd,
msgindexPruneCmd,
withCategory("msgindex", backfillMsgIndexCmd),
withCategory("msgindex", pruneMsgIndexCmd),
withCategory("txhash", backfillTxHashCmd),
},
}

var msgindexBackfillCmd = &cli.Command{
Name: "backfill",
Usage: "Backfill the message index for a number of epochs starting from a specified height",
var backfillMsgIndexCmd = &cli.Command{
Name: "backfill-msgindex",
Usage: "Backfill the msgindex.db for a number of epochs starting from a specified height",
Flags: []cli.Flag{
&cli.IntFlag{
Name: "from",
Expand All @@ -38,11 +48,6 @@ var msgindexBackfillCmd = &cli.Command{
Value: 1800,
Usage: "number of epochs to backfill; defaults to 1800 (2 finalities)",
},
&cli.StringFlag{
Name: "repo",
Value: "~/.lotus",
Usage: "path to the repo",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
Expand Down Expand Up @@ -131,19 +136,14 @@ var msgindexBackfillCmd = &cli.Command{
},
}

var msgindexPruneCmd = &cli.Command{
Name: "prune",
Usage: "Prune the message index for messages included before a given epoch",
var pruneMsgIndexCmd = &cli.Command{
Name: "prune-msgindex",
Usage: "Prune the msgindex.db for messages included before a given epoch",
Flags: []cli.Flag{
&cli.IntFlag{
Name: "from",
Usage: "height to start the prune; if negative it indicates epochs from current head",
},
&cli.StringFlag{
Name: "repo",
Value: "~/.lotus",
Usage: "path to the repo",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
Expand Down Expand Up @@ -205,3 +205,133 @@ var msgindexPruneCmd = &cli.Command{
return nil
},
}

var backfillTxHashCmd = &cli.Command{
Name: "backfill-txhash",
Usage: "Backfills the txhash.db for a number of epochs starting from a specified height",
Flags: []cli.Flag{
&cli.UintFlag{
Name: "from",
Value: 0,
Usage: "the tipset height to start backfilling from (0 is head of chain)",
},
&cli.IntFlag{
Name: "epochs",
Value: 2000,
Usage: "the number of epochs to backfill",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()

ctx := lcli.ReqContext(cctx)

curTs, err := api.ChainHead(ctx)
if err != nil {
return err
}

startHeight := int64(cctx.Int("from"))
if startHeight == 0 {
startHeight = int64(curTs.Height()) - 1
}

epochs := cctx.Int("epochs")

basePath, err := homedir.Expand(cctx.String("repo"))
if err != nil {
return err
}

dbPath := filepath.Join(basePath, "sqlite", "txhash.db")
db, err := sql.Open("sqlite3", dbPath)
if err != nil {
return err
}

defer func() {
err := db.Close()
if err != nil {
fmt.Printf("ERROR: closing db: %s", err)
}
}()

insertStmt, err := db.Prepare("INSERT OR IGNORE INTO eth_tx_hashes(hash, cid) VALUES(?, ?)")
if err != nil {
return err
}

var totalRowsAffected int64 = 0
for i := 0; i < epochs; i++ {
epoch := abi.ChainEpoch(startHeight - int64(i))

select {
case <-cctx.Done():
fmt.Println("request cancelled")
return nil
default:
}

curTsk := curTs.Parents()
execTs, err := api.ChainGetTipSet(ctx, curTsk)
if err != nil {
return fmt.Errorf("failed to call ChainGetTipSet for %s: %w", curTsk, err)
}

if i%100 == 0 {
log.Infof("%d/%d processing epoch:%d", i, epochs, epoch)
}

for _, blockheader := range execTs.Blocks() {
blkMsgs, err := api.ChainGetBlockMessages(ctx, blockheader.Cid())
if err != nil {
log.Infof("Could not get block messages at epoch: %d, stopping walking up the chain", epoch)
epochs = i
break
}

for _, smsg := range blkMsgs.SecpkMessages {
if smsg.Signature.Type != crypto.SigTypeDelegated {
continue
}

tx, err := ethtypes.EthTxFromSignedEthMessage(smsg)
if err != nil {
return fmt.Errorf("failed to convert from signed message: %w at epoch: %d", err, epoch)
}

tx.Hash, err = tx.TxHash()
if err != nil {
return fmt.Errorf("failed to calculate hash for ethTx: %w at epoch: %d", err, epoch)
}

res, err := insertStmt.Exec(tx.Hash.String(), smsg.Cid().String())
if err != nil {
return fmt.Errorf("error inserting tx mapping to db: %s at epoch: %d", err, epoch)
}

rowsAffected, err := res.RowsAffected()
if err != nil {
return fmt.Errorf("error getting rows affected: %s at epoch: %d", err, epoch)
}

if rowsAffected > 0 {
log.Debugf("Inserted txhash %s, cid: %s at epoch: %d", tx.Hash.String(), smsg.Cid().String(), epoch)
}

totalRowsAffected += rowsAffected
}
}

curTs = execTs
}

log.Infof("Done, inserted %d missing txhashes", totalRowsAffected)

return nil
},
}
2 changes: 1 addition & 1 deletion cmd/lotus-shed/main.go
Expand Up @@ -86,7 +86,7 @@ func main() {
invariantsCmd,
gasTraceCmd,
replayOfflineCmd,
msgindexCmd,
indexesCmd,
FevmAnalyticsCmd,
mismatchesCmd,
}
Expand Down

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