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sphinx: Remove standalone v0 payload in favor of the unionized one

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2019-02-20 15:42:12 +01:00 committed by Rusty Russell
parent d607afd195
commit b83d15ea4a
3 changed files with 20 additions and 26 deletions
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1
common/sphinx.c
View File

@ -591,7 +591,6 @@ struct route_step *process_onionpacket(
if (!blind_group_element(&step->next->ephemeralkey, &msg->ephemeralkey, blind))
return tal_free(step);
deserialize_hop_data(&step->hop_data, paddedheader);
sphinx_parse_payload(step, paddedheader);
/* Extract how many bytes we need to shift away */

1
common/sphinx.h
View File

@ -93,7 +93,6 @@ enum sphinx_payload_type {
struct route_step {
enum route_next_case nextcase;
struct onionpacket *next;
struct hop_data hop_data;
u8 realm;
enum sphinx_payload_type type;
union {

44
lightningd/peer_htlcs.c
View File

@ -710,12 +710,12 @@ static void htlc_accepted_hook_serialize(struct htlc_accepted_hook_payload *p,
json_object_start(s, "onion");
json_add_hex_talarr (s, "payload", rs->raw_payload);
if (rs->hop_data.realm == 0x00) {
if (rs->type == SPHINX_V0_PAYLOAD) {
json_object_start(s, "per_hop_v0");
json_add_hex(s, "realm", &rs->hop_data.realm, 1);
json_add_short_channel_id(s, "short_channel_id", &rs->hop_data.channel_id);
json_add_amount_msat_only(s, "forward_amount", rs->hop_data.amt_forward);
json_add_u64(s, "outgoing_cltv_value", rs->hop_data.outgoing_cltv);
json_add_string(s, "realm", "00");
json_add_short_channel_id(s, "short_channel_id", &rs->payload.v0.channel_id);
json_add_amount_msat_only(s, "forward_amount", rs->payload.v0.amt_forward);
json_add_u64(s, "outgoing_cltv_value", rs->payload.v0.outgoing_cltv);
json_object_end(s);
}
@ -747,35 +747,31 @@ htlc_accepted_hook_callback(struct htlc_accepted_hook_payload *request,
enum htlc_accepted_result result;
enum onion_type failure_code;
u8 *channel_update;
struct hop_data *hop_data;
result = htlc_accepted_hook_deserialize(buffer, toks, &payment_preimage, &failure_code, &channel_update);
hop_data = &rs->payload.v0;
switch (result) {
case htlc_accepted_continue:
if (rs->nextcase == ONION_FORWARD) {
struct gossip_resolve *gr =
tal(ld, struct gossip_resolve);
struct gossip_resolve *gr = tal(ld, struct gossip_resolve);
gr->next_onion = tal_steal(gr, request->next_onion);
serialize_onionpacket(gr, rs->next);
gr->next_channel = rs->hop_data.channel_id;
gr->amt_to_forward = rs->hop_data.amt_forward;
gr->outgoing_cltv_value = rs->hop_data.outgoing_cltv;
gr->next_onion = serialize_onionpacket(gr, rs->next);
gr->next_channel = hop_data->channel_id;
gr->amt_to_forward = hop_data->amt_forward;
gr->outgoing_cltv_value = hop_data->outgoing_cltv;
gr->hin = hin;
req = towire_gossip_get_channel_peer(tmpctx,
&gr->next_channel);
log_debug(
channel->log, "Asking gossip to resolve channel %s",
type_to_string(tmpctx, struct short_channel_id,
&gr->next_channel));
req = towire_gossip_get_channel_peer(tmpctx, &gr->next_channel);
log_debug(channel->log, "Asking gossip to resolve channel %s",
type_to_string(tmpctx, struct short_channel_id,
&gr->next_channel));
subd_req(hin, ld->gossip, req, -1, 0,
channel_resolve_reply, gr);
} else
handle_localpay(hin, hin->cltv_expiry,
&hin->payment_hash,
rs->hop_data.amt_forward,
rs->hop_data.outgoing_cltv);
handle_localpay(hin, hin->cltv_expiry, &hin->payment_hash,
hop_data->amt_forward,
hop_data->outgoing_cltv);
break;
case htlc_accepted_fail:
log_debug(channel->log,
@ -888,7 +884,7 @@ static bool peer_accepted_htlc(struct channel *channel, u64 id,
/* Unknown realm isn't a bad onion, it's a normal failure. */
/* FIXME: if we want hooks to handle foreign realms we should
* move this check to the hook callback. */
if (rs->hop_data.realm != 0) {
if (rs->type != SPHINX_V0_PAYLOAD) {
*failcode = WIRE_INVALID_REALM;
goto out;
}