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Only cross-signed htlcs can be fulfilled/failed

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Pierre-Marie Padiou 2017-09-20 14:22:01 +02:00 committed by Rusty Russell
parent 9073a5f3de
commit 465a4cddaf
1 changed files with 3 additions and 2 deletions
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5
02-peer-protocol.md
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@ -715,8 +715,9 @@ For a unparsable HTLC:
A node SHOULD remove an HTLC as soon as it can; in particular, a node
SHOULD fail an HTLC which has timed out.
A node MUST NOT send `update_fulfill_htlc` until an HTLC is
irrevocably committed in both sides' commitment transactions.
A node MUST NOT send an `update_fulfill_htlc`, `update_fail_htlc` or
`update_fail_malformed_htlc` until the corresponding HTLC is irrevocably
committed in both sides' commitment transactions.
A receiving node MUST check that `id` corresponds to an HTLC in its
current commitment transaction, and MUST fail the channel if it does