lncli: add remote_csv_delay to openchannel command

cmd/lncli/commands.go

@@ -438,6 +438,14 @@ var openChannelCommand = cli.Command{
 			Usage: "(optional) the minimum value we will require " +
 				"for incoming HTLCs on the channel",
 		},
+		cli.Uint64Flag{
+			Name: "remote_csv_delay",
+			Usage: "(optional) the number of blocks we will require " +
+				"our channel counterparty to wait before accessing " +
+				"its funds in case of unilateral close. If this is " +
+				"not set, we will scale the value according to the " +
+				"channel size",
+		},
 	},
 	Action: actionDecorator(openChannel),
 }
@@ -461,6 +469,7 @@ func openChannel(ctx *cli.Context) error {
 		TargetConf:     int32(ctx.Int64("conf_target")),
 		SatPerByte:     ctx.Int64("sat_per_byte"),
 		MinHtlcMsat:    ctx.Int64("min_htlc_msat"),
+		RemoteCsvDelay: uint32(ctx.Uint64("remote_csv_delay")),
 	}
 
 	switch {