Context

This MR does a first split of internal transactions (#2803 (closed)): contracts vs tx rollups.

It allows to simplify apply by moving checks earlier.

Manually testing the MR

Document the interface of any function added or modified (see the coding guidelines)
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Provide automatic testing (see the testing guide).
For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
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Edited May 10, 2022 by Mehdi Bouaziz