Merge pull request #5589 from ethereum-optimism/feat/check-migration-quick

op-chain-ops: check-migration-quick

op-chain-ops/cmd/check-migration-quick/main.go

+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+
+	"github.com/mattn/go-isatty"
+	"github.com/urfave/cli"
+
+	"github.com/ethereum-optimism/optimism/op-chain-ops/db"
+	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/log"
+)
+
+func main() {
+	log.Root().SetHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(isatty.IsTerminal(os.Stderr.Fd()))))
+
+	app := &cli.App{
+		Name:  "check-migration-quick",
+		Usage: "Quick check for a migrated database that only checks the header magic in the extradata",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:     "db-path",
+				Usage:    "Path to database",
+				Required: true,
+			},
+			&cli.IntFlag{
+				Name:  "db-cache",
+				Usage: "LevelDB cache size in mb",
+				Value: 1024,
+			},
+			&cli.IntFlag{
+				Name:  "db-handles",
+				Usage: "LevelDB number of handles",
+				Value: 60,
+			},
+		},
+		Action: func(ctx *cli.Context) error {
+			dbCache := ctx.Int("db-cache")
+			dbHandles := ctx.Int("db-handles")
+
+			ldb, err := db.Open(ctx.String("db-path"), dbCache, dbHandles)
+			if err != nil {
+				return err
+			}
+
+			hash := rawdb.ReadHeadHeaderHash(ldb)
+			log.Info("Reading chain tip from database", "hash", hash)
+			num := rawdb.ReadHeaderNumber(ldb, hash)
+			if num == nil {
+				return fmt.Errorf("cannot find header number for %s", hash)
+			}
+
+			header := rawdb.ReadHeader(ldb, hash, *num)
+			log.Info("Read header from database", "number", *num)
+
+			log.Info(
+				"Header info",
+				"parentHash", header.ParentHash.Hex(),
+				"root", header.Root.Hex(),
+				"number", header.Number,
+				"gasLimit", header.GasLimit,
+				"time", header.Time,
+				"extra", hexutil.Encode(header.Extra),
+			)
+
+			if !bytes.Equal(header.Extra, genesis.BedrockTransitionBlockExtraData) {
+				return fmt.Errorf("expected extra data to be %x, but got %x", genesis.BedrockTransitionBlockExtraData, header.Extra)
+			}
+
+			if err := ldb.Close(); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		log.Crit("error in migration", "err", err)
+	}
+}