Function param_channel_or_all

lightningd/peer_control.c:3542–3584

}

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;
	struct channel *channel;

	*channels = tal_arr(cmd, struct channel *, 0);

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

	/* Find channels by peer_id */
	peer = peer_from_json(cmd->ld, buffer, tok);
	if (peer) {
		list_for_each(&peer->channels, channel, list) {
			if (channel_state_can_setchannel(channel->state))
				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 */
	res = command_find_channel(cmd, name, buffer, tok, &channel);
	if (res)
		return res;
	/* check channel is found and in valid state */
	if (!channel_state_can_setchannel(channel->state))
		return command_fail_badparam(cmd, name, buffer, tok,
					     tal_fmt(tmpctx, "Channel in state %s",
						     channel_state_name(channel)));
	tal_arr_expand(channels, channel);
	return NULL;
}

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