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

• Check whether HashKey can be reduced to a simple 32 byte array (see desc_identifiers.nim)

• Re-visit delTree(). Suggestion is deleting small trees on the memory later, otherwise only deleting the root vertex (so it becomes inaccessible) and remember the follow up vertices which can travel through the tx-layers to be picked up by the backend store.

• Consider changing fetch/merge/delete prototypes for account and storage. At the moment they all use openArray[] for strictly 32 byte arrays (which is only implicitely enforced at run time -- i.e. it would fail otherwise.)

• Mental note: For proof-mode with pre-allocated locked vertices and Merkle keys, verification of a patyion tree must be done by computing sub-tree keys at the relative roots and comparing them with the pre-allocated Merkle keys.

• Remove legacy state format import from deblobifyTo() after a while (last updated 28/06/24).