Context

This is the first MR for the first milestone of the Smart-Contract Optimistic Rollups. The development plan is documented here:

Notice that this development introduced an experimental feature in the Tezos protocol that is not enabled by default.

This development is synchronized with the corresponding transactional rollup MR !3915 (merged).

Manually testing the MR

dune exec tezt/tests/main.exe -- sc_rollup --verbose

Document the interface of any function added or modified (see the coding guidelines)
Document any change to the user interface, including configuration parameters (see node configuration)
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, the Development Version section of CHANGES.md for everything else).
Select suitable reviewers using the Reviewers field below.
Select as Assignee the next person who should take action on that MR

Edited Dec 22, 2021 by Yann Regis-Gianas