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lightningd: fix inconsistency without COMPAT enabled.

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We don't expect payment or payment->route_channels to be NULL without an
old db, but putting an assert there reveals that we try to fail an HTLC
which has already succeeded in 'test_onchain_unwatch'.

Obviously we only want to fail an HTLC which goes onchain if we don't
already have the preimage!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-10-09 19:28:52 +10:30
parent 4146950496
commit 6c96bcacd7
2 changed files with 5 additions and 2 deletions
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3
lightningd/pay.c
View file

@ -482,6 +482,9 @@ void payment_failed(struct lightningd *ld, const struct htlc_out *hout,
PAYMENT_FAILED, NULL);
return;
}
#else
assert(payment);
assert(payment->route_channels);
#endif
/* This gives more details than a generic failure message */

4
lightningd/peer_htlcs.c
View file

@ -860,8 +860,8 @@ void onchain_failed_our_htlc(const struct channel *channel,
struct lightningd *ld = channel->peer->ld;
struct htlc_out *hout = find_htlc_out_by_ripemd(channel, &htlc->ripemd);
/* Don't fail twice! */
if (hout->failuremsg || hout->failcode)
/* Don't fail twice (or if already succeeded)! */
if (hout->failuremsg || hout->failcode || hout->preimage)
return;
hout->failcode = WIRE_PERMANENT_CHANNEL_FAILURE;