Damian Orzechowski

This is a draft PR with flat / path based implementation of state in NM to show the scope of the changes. This may be split further into different chunks...

## Changes - Changes to enabled snap sync and fast sync (healing) support for integrating Paprika into Nethermind client - Redesign `SnapProvider` and `TreeSync` components to use `PaprikaStateFactory` and `IRawState`...

Interface and logic to support snap sync for Paprika

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Implement changes to the `IRawState` interface required to fully support sync process for Paprika: - Add methods to set boundary proof nodes directly as merkle data. Proof nodes to be...

Improving progress log of snap sync / state sync.

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Closes #4552 #4670 #4621 ## Changes: - Added 'Phase 1 of 2' for snap state ranages and 'Phase 2 of 2' for state sync to better describe process - Adding...