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lightningd: fix crash when htlc failed and source is onchain.

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If the source channel is onchain, we try to send a message to onchaind
which (1) doesn't care, (2) doesn't take a channel_fail_htlc msg, and
(3) causes us to crash in subd.c:

	assert(!strstarts(sd->msgname(fromwire_peektype(msg_out)), "INVALID"));

Fixes: #821
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-02-20 20:53:37 +10:30 committed by Christian Decker
parent e92b710406
commit 1192f16733
1 changed files with 4 additions and 0 deletions
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4
lightningd/peer_htlcs.c
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@ -105,6 +105,10 @@ static void fail_in_htlc(struct htlc_in *hin,
if (!hin->key.channel->owner)
return;
/* onchaind doesn't care, it can't do anything but wait */
if (channel_on_chain(hin->key.channel))
return;
subd_send_msg(hin->key.channel->owner,
take(towire_channel_fail_htlc(hin,
hin->key.id,