Function json_waitinvoice

lightningd/invoice.c:1545–1576

Wait for an incoming payment matching the `label` in the JSON * command. This will either return immediately if the payment has * already been received or it may add the `cmd` to the list of * waiters, if the payment is still pending. */

 * waiters, if the payment is still pending.
 */
static struct command_result *json_waitinvoice(struct command *cmd,
					       const char *buffer,
					       const jsmntok_t *obj UNNEEDED,
					       const jsmntok_t *params)
{
	struct invoice i;
	const struct invoice_details *details;
	struct wallet *wallet = cmd->ld->wallet;
	struct json_escape *label;

	if (!param(cmd, buffer, params,
		   p_req("label", param_label, &label),
		   NULL))
		return command_param_failed();

	if (!wallet_invoice_find_by_label(wallet, &i, label)) {
		return command_fail(cmd, LIGHTNINGD, "Label not found");
	}
	details = wallet_invoice_details(cmd, cmd->ld->wallet, i);

	/* If paid or expired return immediately */
	if (details->state == PAID || details->state == EXPIRED) {
		return tell_waiter(cmd, &i);
	} else {
		/* There is an unpaid one matching, let's wait... */
		fixme_ignore(command_still_pending(cmd));
		wallet_invoice_waitone(cmd, wallet, i,
				       &wait_on_invoice, (void *) cmd);
		return command_its_complicated("wallet_invoice_waitone might"
					       " complete immediately");
	}
}

static const struct json_command waitinvoice_command = {
	"waitinvoice",