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route: assume modern TLV support if we don't see a node_announcement.

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This is in preparation for removing support (next release?).

Changelog-Changed: Protocol: We now assume nodes support TLV onions (non-legacy) unless we have a node_announcement which says they don't.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-07-13 06:18:58 +09:30
committed by neil saitug
parent e7716c86fb
commit 28553e9bea
2 changed files with 7 additions and 3 deletions
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4
common/route.c
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@@ -107,7 +107,9 @@ static bool dijkstra_to_hops(struct route_hop **hops,
/* Find other end of channel. */
next = gossmap_nth_node(gossmap, c, !(*hops)[num_hops].direction);
gossmap_node_get_id(gossmap, next, &(*hops)[num_hops].node_id);
if (gossmap_node_get_feature(gossmap, next, OPT_VAR_ONION) != -1)
/* If we don't have a node_announcement, we *assume* modern */
if (next->nann_off == 0
|| gossmap_node_get_feature(gossmap, next, OPT_VAR_ONION) != -1)
(*hops)[num_hops].style = ROUTE_HOP_TLV;
else
(*hops)[num_hops].style = ROUTE_HOP_LEGACY;