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indexes.go
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/
indexes.go
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package main
import (
"database/sql"
"fmt"
"path"
"path/filepath"
"strings"
"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"
)
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{
withCategory("msgindex", backfillMsgIndexCmd),
withCategory("msgindex", pruneMsgIndexCmd),
withCategory("txhash", backfillTxHashCmd),
},
}
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",
Value: 0,
Usage: "height to start the backfill; uses the current head if omitted",
},
&cli.IntFlag{
Name: "epochs",
Value: 1800,
Usage: "number of epochs to backfill; defaults to 1800 (2 finalities)",
},
},
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 := path.Join(basePath, "sqlite", "msgindex.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 messages (cid, tipset_cid, epoch) VALUES (?, ?, ?)")
if err != nil {
return err
}
var nrRowsAffected int64
for i := 0; i < epochs; i++ {
epoch := abi.ChainEpoch(startHeight - int64(i))
if i%100 == 0 {
log.Infof("%d/%d processing epoch:%d, nrRowsAffected:%d", i, epochs, epoch, nrRowsAffected)
}
ts, err := api.ChainGetTipSetByHeight(ctx, epoch, curTs.Key())
if err != nil {
return fmt.Errorf("failed to get tipset at epoch %d: %w", epoch, err)
}
tsCid, err := ts.Key().Cid()
if err != nil {
return fmt.Errorf("failed to get tipset cid at epoch %d: %w", epoch, err)
}
msgs, err := api.ChainGetMessagesInTipset(ctx, ts.Key())
if err != nil {
return fmt.Errorf("failed to get messages in tipset at epoch %d: %w", epoch, err)
}
for _, msg := range msgs {
key := msg.Cid.String()
tskey := tsCid.String()
res, err := insertStmt.Exec(key, tskey, int64(epoch))
if err != nil {
return fmt.Errorf("failed to insert message cid %s in tipset %s at epoch %d: %w", key, tskey, epoch, err)
}
rowsAffected, err := res.RowsAffected()
if err != nil {
return fmt.Errorf("failed to get rows affected for message cid %s in tipset %s at epoch %d: %w", key, tskey, epoch, err)
}
nrRowsAffected += rowsAffected
}
}
log.Infof("Done backfilling, nrRowsAffected:%d", nrRowsAffected)
return nil
},
}
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",
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
startHeight := int64(cctx.Int("from"))
if startHeight < 0 {
curTs, err := api.ChainHead(ctx)
if err != nil {
return err
}
startHeight += int64(curTs.Height())
if startHeight < 0 {
return xerrors.Errorf("bogus start height %d", startHeight)
}
}
basePath, err := homedir.Expand(cctx.String("repo"))
if err != nil {
return err
}
dbPath := path.Join(basePath, "sqlite", "msgindex.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)
}
}()
tx, err := db.Begin()
if err != nil {
return err
}
if _, err := tx.Exec("DELETE FROM messages WHERE epoch < ?", startHeight); err != nil {
if err := tx.Rollback(); err != nil {
fmt.Printf("ERROR: rollback: %s", err)
}
return err
}
if err := tx.Commit(); err != nil {
return err
}
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
},
}