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18 changes: 13 additions & 5 deletions cmd/blsync/main.go
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import (
"context"
"fmt"
"os"
"path/filepath"
"slices"

"github.com/ethereum/go-ethereum/beacon/blsync"
Expand All @@ -44,7 +45,7 @@ func main() {
utils.BeaconGenesisTimeFlag,
utils.BeaconCheckpointFlag,
utils.BeaconCheckpointFileFlag,
//TODO datadir for optional permanent database
utils.DataDirFlag,
utils.MainnetFlag,
utils.SepoliaFlag,
utils.HoleskyFlag,
Expand Down Expand Up @@ -87,11 +88,18 @@ func makeRPCClient(ctx *cli.Context) *rpc.Client {
log.Warn("No engine API target specified, performing a dry run")
return nil
}
if !ctx.IsSet(utils.BlsyncJWTSecretFlag.Name) {
utils.Fatalf("JWT secret parameter missing") //TODO use default if datadir is specified
}

engineApiUrl, jwtFileName := ctx.String(utils.BlsyncApiFlag.Name), ctx.String(utils.BlsyncJWTSecretFlag.Name)
engineApiUrl := ctx.String(utils.BlsyncApiFlag.Name)
var jwtFileName string
if ctx.IsSet(utils.BlsyncJWTSecretFlag.Name) {
jwtFileName = ctx.String(utils.BlsyncJWTSecretFlag.Name)
} else if ctx.IsSet(utils.DataDirFlag.Name) {
// Use default JWT secret path in datadir
datadir := ctx.String(utils.DataDirFlag.Name)
jwtFileName = filepath.Join(datadir, "jwtsecret")
} else {
utils.Fatalf("JWT secret parameter missing")
}
var jwtSecret [32]byte
if jwt, err := node.ObtainJWTSecret(jwtFileName); err == nil {
copy(jwtSecret[:], jwt)
Expand Down