New method to access ProviderSectors HAMT from market actor

[LexLuthr]

We need a way to access information in https://github.com/filecoin-project/go-state-types/blob/ad909a3d6ebef5ebc5688b4310e954e27da2203b/builtin/v13/market/market_state.go#L66. This can be very useful to verify F05 deals post NV23 if sealer is using ProveCommitSector3 method to commit all sectors.

[LexLuthr]

We should have 2 methods:

1. a list of all sectors[deals] per provider/miner
2. querying specific deal in a specific sector of a miner.

[rvagg]

@LexLuthr I've moved this to the lotus repo as the API is going to have to be here rather than in go-state-types.

[LexLuthr]

@LexLuthr I've moved this to the lotus repo as the API is going to have to be here rather than in go-state-types.

Thank you. Look forward to have this soon. Along with #11936, we will have all we need to track market deal reliably.

[beck-8]

Will there be any progress here soon?

[rvagg]

No, sorry, but it shouldn't be too hard to do. Would someone like to start off by proposing the method signatures and documentation that would slot into api/api_full.go? I can probably tackle it once we have agreement from you (as users) on what we're actually implementing.

[LexLuthr]

StateMarketSectorList(ctx, minerAddress) (map[sector number][]abi.DealID, err)
StateMarketSector(ctx, minerAddress, sectorNumber) ([]abi.DealID, err)

I do a confusion here though. If a sector only contains f05 deals, should I assume that []abi.DealID would be in same order as present in physical sector or do we lose the order?
What happens when DDO is in the mix for the above question?

[rvagg]

Labelling this good first issue although it's not easy unless you've got some existing experience with the way Lotus plumbs its API pieces together. (Edit: a beginner could definitely pick this up, it's just not super simple, you'd learn a lot in the process but you'd probably need some guidance).

Also related to #12791 so this might help sort that issue out.