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gossipd: make use of new ratelimit bit in gossip_store length mask

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routing.c now flags rate-limited gossip as it enters the gossip_store but
makes use of it in updating the routing graph. Flagged gossip is not
rebroadcast to gossip peers.

Changelog-Changed: gossipd: now accepts spam gossip, but squelches it for
peers.
This commit is contained in:
Alex Myers
2022-05-04 08:48:59 -05:00
committed by Rusty Russell
parent cbafc0fa33
commit 9dc794dba8
7 changed files with 41 additions and 23 deletions
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8
devtools/dump-gossipstore.c
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@@ -52,10 +52,11 @@ int main(int argc, char *argv[])
struct short_channel_id scid;
u32 msglen = be32_to_cpu(hdr.len);
u8 *msg, *inner;
bool deleted, push;
bool deleted, push, ratelimit;
deleted = (msglen & GOSSIP_STORE_LEN_DELETED_BIT);
push = (msglen & GOSSIP_STORE_LEN_PUSH_BIT);
ratelimit = (msglen & GOSSIP_STORE_LEN_RATELIMIT_BIT);
msglen &= GOSSIP_STORE_LEN_MASK;
msg = tal_arr(NULL, u8, msglen);
@@ -66,9 +67,10 @@ int main(int argc, char *argv[])
!= crc32c(be32_to_cpu(hdr.timestamp), msg, msglen))
warnx("Checksum verification failed");
printf("%zu: %s%s", off,
printf("%zu: %s%s%s", off,
deleted ? "DELETED " : "",
push ? "PUSH " : "");
push ? "PUSH " : "",
ratelimit ? "RATE-LIMITED " : "");
if (deleted && !print_deleted) {
printf("\n");
goto end;