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closingd: ignore spurious pong messages. 

channeld may have sent a ping before shutdown, now closingd sees it.

```
lightningd-2: 2021-10-11T20:55:18.892Z DEBUG   0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518-closingd-chan#1: peer_out WIRE_WARNING
lightningd-2: 2021-10-11T20:55:18.949Z DEBUG   0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518-closingd-chan#1: billboard perm: Expected closing_signed: 0013000166
lightningd-2: 2021-10-11T20:55:18.983Z INFO    0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518-chan#1: Peer transient failure in CLOSINGD_SIGEXCHANGE: closingd WARNING: Expected closing_signed: 0013000166
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2021-10-12 09:21:58 +10:30
parent 1cc349ef17
commit d9053ad09f
1 changed files with 3 additions and 0 deletions
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3
closingd/closingd.c
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@ -284,6 +284,9 @@ receive_offer(struct per_peer_state *pps,
*/
else if (fromwire_peektype(msg) == WIRE_SHUTDOWN)
msg = tal_free(msg);
/* channeld may have sent ping: ignore pong! */
else if (fromwire_peektype(msg) == WIRE_PONG)
msg = tal_free(msg);
} while (!msg);
their_sig.sighash_type = SIGHASH_ALL;