Idea: a more flexible block validation API

[jeluard]

Generating realtime proofs of block validation is bottlenecked by both the computation and the necessary data involved. In the case of amaru a ValidationContext is required. This can lead to a significant amount of data, most of it unnecessary.
Find an example of how it can be achieved.

It might be useful to reconsider the block validation API so that only the necessary data has to be provided.

A potential API candidate could be separated into 2 phases:

• the first phase would allow each rule to go over the block and express the data required (on top of data related to the block itself)
• then the subset of relevant data is extracted from the state
• the second phase would see rule actually performing the validation with the relevant subset of the state