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gossip: Forward when we don't have a valid node_announcement yet

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker
2017-12-04 13:40:45 +01:00
committed by Rusty Russell
parent 580a2612fd
commit 4a51de44c0
1 changed files with 13 additions and 7 deletions
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20
gossipd/routing.c
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@@ -479,6 +479,7 @@ bool handle_channel_announcement(
struct pubkey bitcoin_key_1;
struct pubkey bitcoin_key_2;
struct sha256_double chain_hash;
struct node_connection *c0, *c1;
const tal_t *tmpctx = tal_tmpctx(rstate);
u8 *features;
@@ -528,18 +529,23 @@ bool handle_channel_announcement(
if (sigfail && !local) {
status_trace(
"Signature verification of channel announcement failed");
"Signature verification of non-local channel announcement failed");
tal_free(tmpctx);
return false;
}
forward |= add_channel_direction(rstate, &node_id_1, &node_id_2,
&short_channel_id, serialized);
forward |= add_channel_direction(rstate, &node_id_2, &node_id_1,
&short_channel_id, serialized);
/* Is this a new connection? */
c0 = get_connection_by_scid(rstate, &short_channel_id, 0);
c1 = get_connection_by_scid(rstate, &short_channel_id, 1);
forward = !c0 || !c1 || !c0->channel_announcement || !c1->channel_announcement;
if (!forward) {
status_trace("Not forwarding channel_announcement");
add_channel_direction(rstate, &node_id_1, &node_id_2, &short_channel_id,
sigfail ? NULL : serialized);
add_channel_direction(rstate, &node_id_2, &node_id_1, &short_channel_id,
sigfail ? NULL : serialized);
if (!forward || sigfail) {
status_trace("Not forwarding channel_announcement, forward=%d, sigfail=%d", forward, sigfail);
tal_free(tmpctx);
/* This will not be forwarded so we do not want to
* announce the node either, others might drop it. */