📅 Original date posted:2016-02-02
📝 Original message:
Joseph Poon <joseph at lightning.network> writes:
> Hi Rusty,
>
> For synchronous across-the-wire commit steps, 3 steps is a good idea and
> more secure than 2 steps for the commit transaction.
I guess it depends how we count steps. Each party needs to receive the
signature for the N+1 commit tx before handing over the Nth revocation
preimage, but that's the only irreducible constraint isn't it?
It's probably simpler to do a three way handshake on every stage, but I
didn't see that in your protocol?
> However, the nice thing about keeping everything asynchronous is it
> simplifies orchestration and no locking across-the-wire. We have a
> preliminary explanation on the git repo in the README.md file.
Yes, but it was a bit dense. Or I am :)
If I receive "add request" "add request" "signed commit", how do I know
what that signatures covers? Both new htlcs? Are you required to wait
for my accept/reject message replies before commiting? Or does the
commit message include a counter?
I guess "asynchronous" is a bit nebulous: out-of-order or in-order? I
couldn't see a good reason for out-of-order. Whereas letting both sides
offer updates in parallel makes good sense for throughput...
Thanks!
Rusty.
Rusty Russell [ARCHIVE] /
npub1zw…hkhpx
2023-06-09 14:45:40
in reply to nevent1q…y8qc
Author Public Key
npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxPublished at
2023-06-09 14:45:40Event JSON
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"content": "📅 Original date posted:2016-02-02\n📝 Original message:\nJoseph Poon \u003cjoseph at lightning.network\u003e writes:\n\u003e Hi Rusty,\n\u003e\n\u003e For synchronous across-the-wire commit steps, 3 steps is a good idea and\n\u003e more secure than 2 steps for the commit transaction.\n\nI guess it depends how we count steps. Each party needs to receive the\nsignature for the N+1 commit tx before handing over the Nth revocation\npreimage, but that's the only irreducible constraint isn't it?\n\nIt's probably simpler to do a three way handshake on every stage, but I\ndidn't see that in your protocol?\n\n\u003e However, the nice thing about keeping everything asynchronous is it\n\u003e simplifies orchestration and no locking across-the-wire. We have a\n\u003e preliminary explanation on the git repo in the README.md file.\n\nYes, but it was a bit dense. Or I am :)\n\nIf I receive \"add request\" \"add request\" \"signed commit\", how do I know\nwhat that signatures covers? Both new htlcs? Are you required to wait\nfor my accept/reject message replies before commiting? Or does the\ncommit message include a counter?\n\nI guess \"asynchronous\" is a bit nebulous: out-of-order or in-order? I\ncouldn't see a good reason for out-of-order. Whereas letting both sides\noffer updates in parallel makes good sense for throughput...\n\nThanks!\nRusty.",
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