Function param_channel_or_all

lightningd/peer_control.c:2445–2491

AUTODATA(json_command, &waitblockheight_command);

static struct command_result *param_channel_or_all(struct command *cmd,
					     const char *name,
					     const char *buffer,
					     const jsmntok_t *tok,
					     struct channel ***channels)
{
	struct command_result *res;
	struct peer *peer;

	/* early return the easy case */
	if (json_tok_streq(buffer, tok, "all")) {
		*channels = NULL;
		return NULL;
	}

	/* Find channels by peer_id */
	peer = peer_from_json(cmd->ld, buffer, tok);
	if (peer) {
		struct channel *channel;
		*channels = tal_arr(cmd, struct channel *, 0);
		list_for_each(&peer->channels, channel, list) {
			if (channel->state != CHANNELD_NORMAL
			    && channel->state != CHANNELD_AWAITING_LOCKIN
			    && channel->state != DUALOPEND_AWAITING_LOCKIN)
				continue;

			tal_arr_expand(channels, channel);
		}
		if (tal_count(*channels) == 0)
			return command_fail(cmd, LIGHTNINGD,
					    "Could not find any active channels of peer with that id");
		return NULL;
	/* Find channel by id or scid */
	} else {
		struct channel *channel;
		res = command_find_channel(cmd, buffer, tok, &channel);
		if (res)
			return res;
		/* check channel is found and in valid state */
		if (!channel)
			return command_fail(cmd, LIGHTNINGD,
					"Could not find channel with that id");
		*channels = tal_arr(cmd, struct channel *, 1);
		(*channels)[0] = channel;
		return NULL;
	}
}

/* Fee base is a u32, but it's convenient to let them specify it using
 * msat etc. suffix. */