Function waitblockheight_rpc_cb

plugins/libplugin-pay.c:3310–3354

			  direct_pay_cb);

static struct command_result *waitblockheight_rpc_cb(struct command *cmd,
						     const char *buffer,
						     const jsmntok_t *toks,
						     struct payment *p)
{
	const jsmntok_t *blockheighttok, *codetok;

	u32 blockheight;
	int code;
	struct payment *subpayment;

	blockheighttok = json_get_member(buffer, toks, "blockheight");

	if (!blockheighttok ||
	    !json_to_number(buffer, blockheighttok, &blockheight)) {
		codetok = json_get_member(buffer, toks, "code");
		json_to_int(buffer, codetok, &code);
		if (code == WAIT_TIMEOUT) {
			payment_fail(
			    p,
			    "Timed out while attempting to sync to blockheight "
			    "returned by destination. Please finish syncing "
			    "with the blockchain and try again.");

		} else {
			plugin_err(
			    p->plugin,
			    "Unexpected result from waitblockheight: %.*s",
			    json_tok_full_len(toks),
			    json_tok_full(buffer, toks));
		}
	} else {
		subpayment = payment_new(p, NULL, p, p->modifiers);
		payment_start_at_blockheight(subpayment, blockheight);
		payment_set_step(p, PAYMENT_STEP_RETRY);
		subpayment->why = tal_fmt(
		    subpayment, "Retrying after waiting for blockchain sync.");
		paymod_log(
		    p, LOG_DBG,
		    "Retrying after waitblockheight, new partid %" PRIu32,
		    subpayment->partid);
		payment_continue(p);
	}
	return command_still_pending(cmd);
}

static void waitblockheight_cb(void *d, struct payment *p)
{