Sebastian Kunert
3386377b0f
# Runtime side for PoV Reclaim ## Implementation Overview - Hostfunction to fetch the storage proof size has been added to the PVF. It uses the size tracking recorder that was introduced in my previous PR. - Mechanisms to use the reclaim HostFunction have been introduced. - 1. A SignedExtension that checks the node-reported proof size before and after application of an extrinsic. Then it reclaims the difference. - 2. A manual helper to make reclaiming easier when manual interaction is required, for example in `on_idle` or other hooks. - In order to utilize the manual reclaiming, I modified `WeightMeter` to support the reduction of consumed weight, at least for storage proof size. ## How to use To enable the general functionality for a parachain: 1. Add the SignedExtension to your parachain runtime. 2. Provide the HostFunction to the node 3. Enable proof recording during block import ## TODO - [x] PRDoc --------- Co-authored-by: Dmitry Markin <dmitry@markin.tech> Co-authored-by: Davide Galassi <davxy@datawok.net> Co-authored-by: Bastian Köcher <git@kchr.de>
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