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v0.10 #132

Merged
merged 65 commits into from
May 9, 2023
Merged

v0.10 #132

merged 65 commits into from
May 9, 2023

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expede
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@expede expede commented Nov 23, 2022

Preview 📜

Closes

Removed/Deferred from Scope

  • Way to connect delegation chains #130
    • By definition, this needs to live outside of the initial delegation
    • Several ways to do this (e.g. look in a DB, in a CAR file, some other format)
    • IMO this is super valuable, but is not in the minimal subset that everyone needs to support
    • As such it probably should have its own spec(s), removing from this PR
  • Should we support non DID principals ? #139
    • Discussed with several people
    • No clear benefit (e.g. entirely posisble to do a did:mailto)
    • Opening to URI is a mostly one-way door
      • i.e. It's much harder to reverse than add later if it's found to be critical

@cla-bot cla-bot bot added the cla-signed label Nov 23, 2022
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Co-authored-by: Irakli Gozalishvili <contact@gozala.io>
Signed-off-by: Brooklyn Zelenka <be.zelenka@gmail.com>
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Gozala and others added 3 commits November 25, 2022 15:57
Signed-off-by: Irakli Gozalishvili <contact@gozala.io>
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oed commented Jan 18, 2023

Why is the prf field not a IPLD link? My assumption had been that it is, but looks like it's just a CID string.

Valid DagJSON would be:

"prf": [
  { "/": "bafkreihogico5an3e2xy3fykalfwxxry7itbhfcgq6f47sif6d7w6uk2ze" },
  { "/": "bafkreiemaanh3kxqchhcdx3yckeb3xvmboztptlgtmnu5jp63bvymxtlva" }
]

Maybe there's a reason for this that I'm missing?

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@dholms dholms left a comment

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This all looks great to me! 🙌

Thanks for the quick back & forth on a couple things!

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Looks great! This spec has come out really nicely. ✨ Thanks for all of the work pulling our voices together!

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@hugomrdias hugomrdias left a comment

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LGTM left a minor typo suggestion in there.

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Co-authored-by: Hugo Dias <hugomrdias@gmail.com>
Signed-off-by: Brooklyn Zelenka <be.zelenka@gmail.com>
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Looks good to me. I do wish we could resolve some of the ability taxonomy, but perhaps a next revision where it should occur.

]
{
"ucan:bafkreihogico5an3e2xy3fykalfwxxry7itbhfcgq6f47sif6d7w6uk2ze": {"ucan/*": [{}]},
"ucan:*": {"ucan/*": [{}]}
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Do we need ucan/ prefix on the ability here ? We used to have special * ability to denote "all" abilities which was far more intuitive than ucan/*. If it really need to be name-spaced I would suggest */* as it feels far more intuitive that * and */* would include crud/read than ucan/*.

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We also use { with: "ucan:*", can: "*" } when linking devices which I think would be considered invalid ? If so it is probably worth calling out what it would imply.

end
end

... --> *
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I would really like if the hierarchy above was actually part of the spec, meaning that it would be really useful if it was specified that msg/* includes msg/send and * included msg/* and crud/* etc.. Which as I understood from our side channel conversation is not implied

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At the level of the UCAN spec, we're leaving it by convention for now. Not all namespaces have a .../*, but I do think that we want to start writing related specs for essentially a stdlib of common abilities and resources 💯

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burdiyan commented Apr 25, 2023

Love the new structure for attenuation! Feels much better than previous list of with and can. I guess this addresses my comment in the Discussion section.


The DID spec [permits an arbitrary DID method to specify the use of the URI path segment](https://www.w3.org/TR/did-core/#path), the `own` scheme separates out the reference of owned resources rather than a DID document itself. Other URI schemes (such as `dns` and `telnet`) define their own syntactic rules. `own` makes it clear that the contained DID is the "owner" of the resource in the path, fragments, and queries.
`ucan:*` represents all of the UCANs in the current proofs array. If selecting a particular proof (i.e. not the wildcard), then its CID MUST be used. In the case of selecting a particular proof, the validator MUST check that the delegated content address is listed in the proofs (`prf`) field.
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@expede Bit confused by this section. This paragraph says:

ucan:* represents all of the UCANs in the current proofs array.

But the table above says:

ucan:* All possible provable UCANs
ucan:./*All in this UCAN's proofs

Does the syntax in the paragraph need to be adjusted to ucan:./*?
Or am I confused about what ucan:* actually means?
I assume it means more than just the current proofs array?

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Ah indeed, we should make this consistent — apologies. It's also something that I don't love about this syntax: it's not very salient despite the meaning being quite different

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9 participants