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channeld: don't send update_fee after shutdown.

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See: https://github.com/lightningnetwork/lightning-rfc/pull/367
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-02-02 11:16:18 +10:30 • committed by Christian Decker
parent b7856e3512
commit a0f924376f
1 changed files with 13 additions and 0 deletions
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13
channeld/channel.c
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@ -904,6 +904,19 @@ static void send_commit(struct peer *peer)
return;
}
/* BOLT #2:
*
* - if no HTLCs remain in either commitment transaction:
* - MUST NOT send any `update` message after a `shutdown`.
*/
if (peer->shutdown_sent[LOCAL] && !channel_has_htlcs(peer->channel)) {
status_trace("Can't send commit: final shutdown phase");
peer->commit_timer = NULL;
tal_free(tmpctx);
return;
}
/* If we wanted to update fees, do it now. */
if (peer->channel->funder == LOCAL
&& peer->desired_feerate != channel_feerate(peer->channel, REMOTE)) {