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channeld: check if we want to change fees after sending revocation.

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This may have made our feestates fully resolved, so we can send
update_fee again.  Without this fix our tests sometimes timeout.

Also add debugging so we can see when we suppressed a feechange.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2021-04-21 15:56:50 +09:30
parent 934fded0e8
commit caf7c2397f
1 changed files with 10 additions and 3 deletions
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13
channeld/channeld.c
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@ -1052,7 +1052,9 @@ static void send_commit(struct peer *peer)
*/
changed_htlcs = tal_arr(tmpctx, const struct htlc *, 0);
if (!channel_sending_commit(peer->channel, &changed_htlcs)) {
status_debug("Can't send commit: nothing to send");
status_debug("Can't send commit: nothing to send, feechange %s (%s)",
want_fee_update(peer, NULL) ? "wanted": "not wanted",
type_to_string(tmpctx, struct fee_states, peer->channel->fee_states));
/* Covers the case where we've just been told to shutdown. */
maybe_send_shutdown(peer);
@ -1403,8 +1405,13 @@ static void handle_peer_commit_sig(struct peer *peer, const u8 *msg)
status_debug("Received commit_sig with %zu htlc sigs",
tal_count(htlc_sigs));
return send_revocation(peer,
&commit_sig, htlc_sigs, changed_htlcs, txs[0]);
send_revocation(peer,
&commit_sig, htlc_sigs, changed_htlcs, txs[0]);
/* This might have synced the feerates: if so, we may want to
* update */
if (want_fee_update(peer, NULL))
start_commit_timer(peer);
}
/* Pops the penalty base for the given commitnum from our internal list. There