Function json_fundchannel_cancel

lightningd/opening_control.c:1059–1095

* json_fundchannel_cancel - Entrypoint for cancelling a channel which funding isn't broadcast */

 * json_fundchannel_cancel - Entrypoint for cancelling a channel which funding isn't broadcast
 */
static struct command_result *json_fundchannel_cancel(struct command *cmd,
						      const char *buffer,
						      const jsmntok_t *obj UNNEEDED,
						      const jsmntok_t *params)
{

	struct node_id *id;
	struct peer *peer;
	u8 *msg;

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

	peer = peer_by_id(cmd->ld, id);
	if (!peer) {
		return command_fail(cmd, FUNDING_UNKNOWN_PEER, "Unknown peer");
	}

	if (peer->uncommitted_channel) {
		if (!peer->uncommitted_channel->fc || !peer->uncommitted_channel->fc->inflight)
			return command_fail(cmd, FUNDING_NOTHING_TO_CANCEL,
					    "No channel funding in progress.");

		/* Make sure this gets notified if we succeed or cancel */
		tal_arr_expand(&peer->uncommitted_channel->fc->cancels, cmd);
		msg = towire_openingd_funder_cancel(NULL);
		subd_send_msg(peer->uncommitted_channel->open_daemon, take(msg));
		return command_still_pending(cmd);
	}

	log_debug(cmd->ld->log, "fundchannel_cancel no uncommitted_channel!");

	/* Handle `fundchannel_cancel` after `fundchannel_complete`.  */
	return cancel_channel_before_broadcast(cmd, peer);
}

/**
 * json_fundchannel_start - Entrypoint for funding a channel