op-node: Add ecotone override (#9284)

op-node/service.go

@@ -236,6 +236,10 @@ func applyOverrides(ctx *cli.Context, rollupConfig *rollup.Config) {
 		delta := ctx.Uint64(opflags.DeltaOverrideFlagName)
 		rollupConfig.DeltaTime = &delta
 	}
+	if ctx.IsSet(opflags.EcotoneOverrideFlagName) {
+		ecotone := ctx.Uint64(opflags.EcotoneOverrideFlagName)
+		rollupConfig.EcotoneTime = &ecotone
+	}
 }
 
 func NewSnapshotLogger(ctx *cli.Context) (log.Logger, error) {

op-service/flags/flags.go

@@ -15,6 +15,7 @@ const (
 	NetworkFlagName         = "network"
 	CanyonOverrideFlagName  = "override.canyon"
 	DeltaOverrideFlagName   = "override.delta"
+	EcotoneOverrideFlagName = "override.ecotone"
 )
 
 func CLIFlags(envPrefix string) []cli.Flag {
@@ -31,6 +32,12 @@ func CLIFlags(envPrefix string) []cli.Flag {
 			EnvVars: opservice.PrefixEnvVar(envPrefix, "OVERRIDE_DELTA"),
 			Hidden:  false,
 		},
+		&cli.Uint64Flag{
+			Name:    EcotoneOverrideFlagName,
+			Usage:   "Manually specify the Ecotone fork timestamp, overriding the bundled setting",
+			EnvVars: opservice.PrefixEnvVar(envPrefix, "OVERRIDE_ECOTONE"),
+			Hidden:  false,
+		},
 		CLINetworkFlag(envPrefix),
 		CLIRollupConfigFlag(envPrefix),
 	}