[Net] use ephemeral MARF for call read-only APIs

[jcnelson]

Instead of opening a write-lock on the chainstate when evaluating a read-only call during an RPC, use the upcoming ephemeral MARF's WritableMarfStore (which only acquires a read-lock).

[bestmike007]

Do you want me to work on this issue if it's not assigned yet?

[jcnelson]

Sure, if you'd like :). I'm still fixing a bug in the ephemeral MARF PR but I don't think it's API will change.

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On Wed, Aug 20, 2025, 3:05 AM Yuanhai He ***@***.***> wrote: *bestmike007* left a comment (stacks-network/stacks-core#6380) <#6380 (comment)> Do you want me to work on this issue if it's not assigned yet? — Reply to this email directly, view it on GitHub <#6380 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AADQJK5XZV22LJ3AYHN7N3D3OQM5PAVCNFSM6AAAAACD5YC4KKVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZTEMBUGQ3TQNRTGQ> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[bestmike007]

Just figured out it's part of #6346