eth, miner: add timeout for building sealing block (#25407)

* eth, miner: add timeout for building sealing block

* eth, cmd, miner: add newpayloadtimeout flag

* eth, miner, cmd: address comments

* eth, miner: minor fixes

Co-authored-by: Martin Holst Swende <martin@swende.se>

cmd/utils/flags.go

@@ -563,6 +563,12 @@ var (
 		Usage:    "Disable remote sealing verification",
 		Category: flags.MinerCategory,
 	}
+	MinerNewPayloadTimeout = &cli.DurationFlag{
+		Name:     "miner.newpayload-timeout",
+		Usage:    "Specify the maximum time allowance for creating a new payload",
+		Value:    ethconfig.Defaults.Miner.NewPayloadTimeout,
+		Category: flags.MinerCategory,
+	}
 
 	// Account settings
 	UnlockedAccountFlag = &cli.StringFlag{
@@ -1658,6 +1664,9 @@ func setMiner(ctx *cli.Context, cfg *miner.Config) {
 	if ctx.IsSet(MinerNoVerifyFlag.Name) {
 		cfg.Noverify = ctx.Bool(MinerNoVerifyFlag.Name)
 	}
+	if ctx.IsSet(MinerNewPayloadTimeout.Name) {
+		cfg.NewPayloadTimeout = ctx.Duration(MinerNewPayloadTimeout.Name)
+	}
 }
 
 func setRequiredBlocks(ctx *cli.Context, cfg *ethconfig.Config) {