Function update_out_htlc

lightningd/peer_htlcs.c:2081–2121

}

static bool update_out_htlc(struct channel *channel,
			    u64 id, enum htlc_state newstate)
{
	struct lightningd *ld = channel->peer->ld;
	struct htlc_out *hout;

	hout = find_htlc_out(ld->htlcs_out, channel, id);
	if (!hout) {
		channel_internal_error(channel, "Can't find out HTLC %"PRIu64, id);
		return false;
	}

	if (!hout->dbid) {
		wallet_htlc_save_out(ld->wallet, channel, hout);
		/* Update channel stats */
		channel_stats_incr_out_offered(channel, hout->msat);

		if (hout->in) {
			struct short_channel_id scid;
			scid = channel_scid_or_local_alias(channel);

			wallet_forwarded_payment_add(ld->wallet, hout->in,
						     FORWARD_STYLE_TLV,
						     &scid, hout,
						     FORWARD_OFFERED, 0);
		}
	}

	if (!htlc_out_update_state(channel, hout, newstate))
		return false;

	/* First transition into commitment; now it outlives peer. */
	if (newstate == SENT_ADD_COMMIT) {
		tal_del_destructor(hout, destroy_hout_subd_died);
		hout->timeout = tal_free(hout->timeout);
		tal_steal(ld, hout);
	} else if (newstate == RCVD_REMOVE_ACK_REVOCATION) {
		remove_htlc_out(channel, hout);
	}
	return true;
}

static bool changed_htlc(struct channel *channel,
			 const struct changed_htlc *changed)