Function param_channel_or_peer

lightningd/closing_control.c:563–612

}

static struct command_result *param_channel_or_peer(struct command *cmd,
						    const char *name,
						    const char *buffer,
						    const jsmntok_t *tok,
						    struct some_channel **sc)
{
	struct peer *peer = peer_from_json(cmd->ld, buffer, tok);
	bool more_than_one;

	(*sc)->unsaved_channel = NULL;
	(*sc)->uc = NULL;

	if (peer) {
		(*sc)->channel = peer_any_channel_bystate(peer, channel_state_can_close, &more_than_one);
		if ((*sc)->channel) {
			if (more_than_one)
				goto more_than_one;
			return NULL;
		}
	} else {
		struct command_result *res;
		res = command_find_channel(cmd, name, buffer, tok, &(*sc)->channel);
		if (res)
			return res;
		assert((*sc)->channel);
		if (!channel_state_can_close((*sc)->channel->state))
			return command_fail_badparam(cmd, name, buffer, tok,
						     tal_fmt(tmpctx, "Channel in state %s",
							     channel_state_name((*sc)->channel)));
		return NULL;
	}

	/* OK, we have a peer, but no active channels. */
	(*sc)->uc = peer->uncommitted_channel;
	if ((*sc)->uc)
		return NULL;

	(*sc)->unsaved_channel = peer_any_channel_bystate(peer, channel_state_uncommitted, &more_than_one);
	if ((*sc)->unsaved_channel) {
		if (more_than_one)
			goto more_than_one;
		return NULL;
	}

	return command_fail(cmd, LIGHTNINGD, "Peer has no active channel");

more_than_one:
	return command_fail(cmd, LIGHTNINGD,
			    "Peer has multiple channels: use channel_id or short_channel_id");
}

static struct command_result *json_close(struct command *cmd,
					 const char *buffer,