Function peer_start_channeld

lightningd/channel_control.c:1729–1990

}

bool peer_start_channeld(struct channel *channel,
			 struct peer_fd *peer_fd,
			 const u8 *fwd_msg,
			 bool reconnected)
{
	u8 *initmsg;
	int hsmfd;
	const struct existing_htlc **htlcs;
	struct short_channel_id scid;
	u64 num_revocations;
	struct lightningd *ld = channel->peer->ld;
	const struct config *cfg = &ld->config;
	struct secret last_remote_per_commit_secret;
	struct penalty_base *pbases;
	u32 feerate_splice, min_feerate, max_feerate, curr_blockheight;
	struct channel_inflight *inflight;
	struct inflight **inflights;
	struct bitcoin_txid txid;

	hsmfd = hsm_get_client_fd(ld, &channel->peer->id,
				  channel->dbid,
				  HSM_PERM_SIGN_GOSSIP
				  | HSM_PERM_ECDH
				  | HSM_PERM_COMMITMENT_POINT
				  | HSM_PERM_SIGN_REMOTE_TX
				  | HSM_PERM_SIGN_ONCHAIN_TX
				  | HSM_PERM_SIGN_CLOSING_TX
				  | HSM_PERM_SIGN_SPLICE_TX
				  | HSM_PERM_LOCK_OUTPOINT);
	if (hsmfd < 0) {
		log_broken(channel->log, "Could not get hsm fd: %s",
			   strerror(errno));
		force_peer_disconnect(ld, channel->peer,
				      "Failed to get hsm fd");
		return false;
	}

	/* At this point, we can forward via alias scid, at least. */
	tell_connectd_scid(ld, *channel->alias[LOCAL], &channel->peer->id);

	channel_set_owner(channel,
			  new_channel_subd(channel, ld,
					   "lightning_channeld",
					   channel,
					   &channel->peer->id,
					   channel->log, true,
					   channeld_wire_name,
					   channel_msg,
					   channel_control_errmsg,
					   channel_set_billboard,
					   take(&peer_fd->fd),
					   take(&hsmfd), NULL));

	if (!channel->owner) {
		log_broken(channel->log, "Could not subdaemon channel: %s",
			   strerror(errno));
		force_peer_disconnect(ld, channel->peer,
				      "Failed to create channeld");