xpay: don't actually resolved the bip353 and fetch an invoice if we're just checking!

Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

plugins/xpay/xpay.c

@@ -1828,6 +1828,9 @@ static struct command_result *json_xpay_params(struct command *cmd,
 		xparams->dev_maxparts = *maxparts;
 		xparams->bip353 = invstring;
 
+		if (command_check_only(cmd))
+			return command_check_done(cmd);
+
 		req = jsonrpc_request_start(cmd, "fetchbip353",
 					    bip353_fetched,
 					    forward_error, xparams);