IPIP-417: Delegated Peer Routing HTTP API #417

hacdias · 2023-05-29T09:13:55Z

This IPIP introduces the /routing/v1/peers endpoint to the Routing HTTP V1 API for peer routing support.

lidel

@hacdias I had to rebase this one to be based on the latest versions of the other two, apologies for the noise.

src/routing/http-routing-v1.md

guillaumemichel · 2023-06-07T13:15:50Z

IMO it would be great to have delegated peer routing use signed peer records. It seems essential because without signatures you have to trust a middleman.

A simple "Signature" field could be added to the proposed schema. The signature can be the array of bytes resulting of the signature using the private key associated with the peer ID (and corresponding algorithm) of (all) the other (non-empty) fields of the schema.

hacdias · 2023-06-14T11:07:08Z

@guillaumemichel I like the idea, but that'd require deeper changes to the way we implement things. Currently, the idea was to mostly "relay" the results of dht findpeer in Kubo for example. That doesn't give us signed records. Besides, this specification also indicates that the addresses and protocols may be incorrect.

All in all, we have to find the balance. For IPNS (#379), it is easy to send signed records, because that's literally what is passed around. Here it seems it'd be more complicated.

src/routing/http-routing-v1.md

hacdias · 2023-07-26T08:59:34Z

src/routing/http-routing-v1.md

+#### Response Body
+
+A [`peer` schema record](#peer).


Open Question: should the response body for /routing/v1/peers be a single entity? What we want to obtain is the addresses of the peer. But addresses can end up being discovered on the fly. Supporting streaming is reasonably easy and could be part of the spec.

Should be multiple, and work the same as /providers – we may have more than one result for the same peerid coming from different backend services (e.g. if /routing/v1 queries both DHT and IPNI)

cid.contact offers both: /providers returns list of all providers and /providers/<peer-id> returns a specific one.

I updated the Peers API to indicate it can return more than one. It will conform with the streaming API we already have too. Whether we add /peers and /providers too is TBD. Reasonably easy to add. Wdyt @masih @lidel?

src/routing/http-routing-v1.md

lidel · 2023-08-25T15:51:16Z

FYSA we've got implementation in

client and server in boxo/routing/http library (boxo/pull/422)
- which will ship in Kubo 0.23
  - server opt-in via Gateway.ExposeRoutingAPI=true config: ipfs/kubo/pull/9877
  - client mode can be enabled via config (example in test/cli/delegated_routing_v1_http_proxy_test.go#L28-L44)

lidel

Applied final editorials, and included legacy schemas with guidance to parse them the same way as peer one (to leverage presence of ID and Addrs fields). This is what boxo does for Schema: bitswap entries.

This is ready for final reviews and ratification, will discuss during IPFS Implementers call today

BigLep · 2023-09-20T20:06:20Z

@lidel : are we good to merge now?

Co-authored-by: Marcin Rataj <[email protected]>

Co-authored-by: Masih H. Derkani <[email protected]>

we will have legacy schemas in the wild for a while, added a note that clients may parse them the same way as peer one (both have ID and Addrs)

lidel

This has been waiting for ratification feedback for a few weeks now, and no concerns were raised.
Thank you @hacdias for landing this.

For anyone reading this in the future:

Self-hosting /routing/v1 endpoint for delegated routing needs will ship in Kubo 0.23

hacdias changed the base branch from main to issues/344 May 29, 2023 09:15

hacdias changed the title ~~ipip: Streaming Routing V1 HTTP API~~ IPIP-0417 May 29, 2023

hacdias changed the title ~~IPIP-0417~~ IPIP-0417: Introduce Peer Schema in Routing API May 29, 2023

hacdias self-assigned this May 29, 2023

hacdias force-pushed the issues/344 branch from eef0074 to a028443 Compare May 30, 2023 14:07

hacdias changed the title ~~IPIP-0417: Introduce Peer Schema in Routing API~~ IPIP-417: Delegated Peer Routing HTTP API May 30, 2023

hacdias force-pushed the issues/344 branch from a028443 to 01a3f09 Compare May 30, 2023 14:26

hacdias force-pushed the ipip/schema-peer branch from 490ccdb to 944500f Compare May 30, 2023 14:32

hacdias force-pushed the issues/344 branch from 01a3f09 to 36571b0 Compare May 30, 2023 14:42

hacdias force-pushed the ipip/schema-peer branch from 944500f to b3828f6 Compare May 30, 2023 14:54

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IPIP-378: Delegated Routing HTTP POST API #378

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Support DHT-based Peer routing over HTTP ipfs/someguy#14

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feat(gateway): expose /routing/v1 server (opt-in) ipfs/kubo#9877

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feat(routing/http)!: delegated peer routing server and client, IPIP 417 ipfs/boxo#422

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Release 0.22 ipfs/kubo#9911

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Trying to Dial Kubo Node with Web Transport libp2p/js-libp2p#1951

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Switch unknown providers at /routing/v1/providers to peer schema ipni/indexstar#147

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Support IPIP-417 (Delegated Peer lookups) libp2p/js-delegated-routing-v1-http-api-content-routing#25

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hacdias and others added 10 commits September 25, 2023 10:59

docs: start IPIP 0417

1467e48

Co-authored-by: Marcin Rataj <[email protected]>

add paragraph about additional fields

e1b335f

remove known transfer protocols section

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cleanup provider records story

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add notes to the compatibility section

828378d

editorial touches

2dbdb54

finish sections in IPIP

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editorial fixes

86ecfa0

Co-authored-by: Masih H. Derkani <[email protected]>

ipip-0417: final editorials, list legacy schemas

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we will have legacy schemas in the wild for a while, added a note that clients may parse them the same way as peer one (both have ID and Addrs)

chore: bump date

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hacdias force-pushed the ipip/schema-peer branch from 34dbaba to 95999ef Compare September 25, 2023 08:59

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This was referenced Oct 3, 2023

Reframe peer records #279

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routing api: clarify string in the protocol field #403

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IPIP-417: Delegated Peer Routing HTTP API #417

IPIP-417: Delegated Peer Routing HTTP API #417

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IPIP-417: Delegated Peer Routing HTTP API #417

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