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lightningnetwork / lnd

Lightning Network Daemon ⚡️
MIT License
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DynComms Development Branch #8755

Closed ProofOfKeags closed 3 days ago

ProofOfKeags commented 4 months ago

Change Description

Depends on #8270. Depends on #8981

This is a series of single responsibility commits that improve the state of affairs within the channel state machine. The ultimate goal here in service of the Dynamic Commitments project is to make it such that we no longer have the updateLogs contain paymentDescriptors as the fundamentally tracked unit of update. This is unfortunately a long road which requires a number of changes which on their face do not seem necessary. I assure you that every one of these commits is ultimately in service of that goal, though.

It is highly recommended that you review commits one by one and in order. One of the consequences of having atomic, semantics-invariant commits is that some subsequent commits may ultimately make prior commits partially or fully obsolete. This is the price of making commit-by-commit review easy.

There is no specific requirement that every commit in this PR go in at once. This PR is mergeable at every commit and will be semantics-invariant.

Godspeed 🫡

Steps to Test

make unit pkg=lnwallet

Pull Request Checklist

Testing

Code Style and Documentation

📝 Please see our Contribution Guidelines for further guidance.

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ProofOfKeags commented 1 month ago

Did a quick review - have a mixed feeling now that we are pushing towards a symmetric design with the help of Dual, and sometimes the usage gives me a "too smart" vibe, maybe I'm being too cautious.

The main reason I am doing this is so we can select the appropriate field with the knowledge of which party we are looking for. This eliminates the following pattern:

thing := superStructure.localThing
if party == lntypes.Remote {
        thing = superStructure.remoteThing
}

and replaces it with a single-assignment expression:

thing := superStructure.things.GetForParty(party)
lightninglabs-deploy commented 3 weeks ago

@proofofkeags, remember to re-request review from reviewers when ready

carlaKC commented 3 weeks ago

Completed a high level pass on this, great refactor with really nice commit structure 🙏 Noticed that a lot of this is pulled out into #9097 - is that what we should review?

ProofOfKeags commented 3 days ago

Closing this as it is superseded by #9158 and #9097