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fix: Various fixes related to peers, CSRs and backend startup #2455

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merged 1 commit into from
Apr 29, 2024

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@leblowl leblowl commented Apr 18, 2024

Fixes for the following issues:

  • Peers can be deleted if CSRs don't sync
  • Backend starting before the frontend is ready, resulting in missed events
  • Adding duplicate CSRs

I found an existing bug where we could actually remove peers (originating from the invite link) from the peer list if certificates replicated before CSRs, because we used CSRs to update the peer list. @ikoenigsknecht, this could be related to the issue where you said the dialer stopped working, perhaps it didn't have any peers to dial. In the PR, we use the same definition for all users as the frontend (CSRs + certs) when finding peers and we always retain peers from the invite link even if we don't have their cert or CSR yet.

The peer issue was really easy to reproduce when CSRs didn't replicate, which I was also lucky enough to reproduce. Apparently due to our duplicate CSR issue (I had around 3670 CSRs), that caused CSRs to take 30 minutes or so to replicate. So that's interesting. It looks like we had this saga checkLocalCsr which would re-add a CSR in certain cases or not add the user's CSR at all. In the case where the CSR doesn't get added at all, we could get the disappearing message effect that @kingalg saw because we don't display messages unless we know about the user (CSR or cert must exist). In this PR, we add the CSR once (right after community is launched).

Also the backend was starting before the frontend was ready on mobile only. Thanks @EmiM for spotting that. This resulted in missing a CHANNEL_SUBSCRIBED event and thus not being able to send a message (having it greyed out indefinitely). It looks like mobile connects with native code to the backend in order to get push notifications which causes the backend to start, then the actual frontend code connects and by then it's missed the CHANNEL_SUBSCRIBED event. So I added a new START event for the frontend to explicitly tell the backend it's ready.

Pull Request Checklist

  • I have linked this PR to a related GitHub issue.
  • I have added a description of the change (and Github issue number, if any) to the root CHANGELOG.md.

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Please ensure you completed the following checks if you did any changes to the mobile package:

  • I have run e2e tests for mobile
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@leblowl leblowl marked this pull request as draft April 18, 2024 01:47
@leblowl leblowl force-pushed the 2.2.0-various-fixups branch from 23b56a5 to 20fa367 Compare April 18, 2024 02:10

this.logger(`Retrieving all users. CSRs count: ${csrs.length} Certificates count: ${certs.length}`)

for (const cert of certs) {
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I'm guessing that retrieving both certs and csrs is for the case when one of those DBs are not fully synced? In any other case you can't have certificate without csr.

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This mirrors how we do things on the frontend and is helpful in the case where certs replicate before csrs.

@leblowl leblowl force-pushed the 2.2.0-various-fixups branch 3 times, most recently from de56de8 to 5bebb6e Compare April 23, 2024 22:24
@leblowl leblowl marked this pull request as ready for review April 23, 2024 22:24
@leblowl leblowl force-pushed the 2.2.0-various-fixups branch 3 times, most recently from fb663d7 to 2bb50c4 Compare April 23, 2024 22:40
@@ -63,4 +66,6 @@ export function* launchCommunitySaga(
}

yield* apply(socket, socket.emitWithAck, applyEmitParams(SocketActionTypes.LAUNCH_COMMUNITY, payload))

yield* put(identityActions.saveUserCsr())
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Add the user's CSR once after launching community.

} else {
yield* put(identityActions.saveUserCsr())
}
}
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Just inlining registerCertificate here to simplify things

const keyObject = yield* call(loadPrivateKey, identity.userCsr.userKey, config.signAlg)
const signatureArrayBuffer = yield* call(sign, action.payload.message, keyObject)
const signature = yield* call(arrayBufferToString, signatureArrayBuffer)
const createdAt = yield* call(getCurrentTime)
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Re-organizing a bit and adding additional logs.

if (!peers) {
throw new Error('No peers provided and no peers found on current stored community')
}
}
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Moved this logic into updatePeersList

@leblowl leblowl force-pushed the 2.2.0-various-fixups branch from 2bb50c4 to 147e2c8 Compare April 23, 2024 22:48
Fixes for the following issues:
- Peers can be deleted if CSRs don't sync
- Backend starting before the frontend is ready, resulting in missed events
- Adding duplicate CSRs
@leblowl leblowl force-pushed the 2.2.0-various-fixups branch from 147e2c8 to 73a6b09 Compare April 24, 2024 13:53
@leblowl leblowl merged commit 2af0531 into 2.2.0 Apr 29, 2024
18 of 29 checks passed
leblowl pushed a commit that referenced this pull request Apr 29, 2024
Fixes for the following issues:
- Peers can be deleted if CSRs don't sync
- Backend starting before the frontend is ready, resulting in missed events
- Adding duplicate CSRs
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3 participants