EVM tests and toughts

[AurelienFT]

Some researches and try I make with EVM. (WIP)

Researches

Looking at REVM: https://github.com/bluealloy/revm/

Things that differ from massa

• Storage system
• Address format

Things that can help us in REVM

• Interfaces : One interface for DB actions, one interface for inspector with functions triggered on each op_code on execution

Interrogation

What is JournaledState.
Need to determine exactly the inputs and outputs