nimbus-eth1/nimbus/db/aristo/TODO.md

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* Some comletions might be needed for the `aristo_part` module which is a
re-implementation of the module supporting *proof-mode*/partial trees.
+ Complete `partMergeStorageData()`. This function might not be needed at
all unless *snap-sync* is really revived.
+ For *snap-sync*, write a `proof` function verifying whether the partial
tree is correct relative to the `PartStateRef` descriptor.
+ One might need to re-visit the `removeCompletedNodes()` module when using
*snap-sync* proof features. The algorithm used here assumes that the list
of proof nodes is rather small. Also, a right boundary leaf node is
typically cleared. This needs to be re-checked when writing the `proof`
function mentioned above.
* `aristo_nearby` also qualifies for a re-write, now
* Revisit tree deletion. The idea is to finally use ranges of nodes by
exploiting the root ID prefix of a `RootedVertexID`. The `RocksDb` backend
seems to support this kind of operation, see
https://rocksdb.org/blog/2018/11/21/delete-range.html. For the application
part there are some great ideas floating which need to be followed up
some time.