SCORU/Node: allow to run without a configuration file

Context

Fixes #4212 (closed).

This MR allows for the rollup node to be run without a configuration file. If one is provided, the arguments on the command line take precedence over the values set in the configuration file.

An additional run command is provided which allows to override some operators:

run <mode> for <smart-rollup-address> with operators [<operator>...]

Manually testing the MR

dune exec tezt/tests/main.exe -- -f sc_rollup.ml

assigned to @mebsout

Everything looks good to me! Thank you for your contribution

---

I,  , ran this inspection on Tue, 21 Mar 2023 16:24:30 +0000. I usually run inspections every 6 hours and will try to edit my own comment if I have any updates. For more information see the Tezos documentation.

changed the description

added Improve UX scorunode labels

changed milestone to %Functional Rollup Node (2023Q1)

requested review from @ole.kruger and @romain.nl

mentioned in commit d5ef56df

added 2 commits

• 6d04a394 - SCORU/Node: Allow `without operators` to ignore operators from config
• d5ef56df - SCORU/Node: Backport !8148 (merged) to mumbai rollup node

Compare with previous version

requested review from @Killian-Delarue, @ilya.peresadin, @alocascio, @lthms, and @yrg and removed review request for @romain.nl

mentioned in issue #5185 (closed)

added 1 commit

• 95f20d4c - Doc: explain how to run rollup node without configuration file

Compare with previous version

assigned to @ole.kruger and unassigned @mebsout

changed the description

requested review from @NicVolanschi and @romain.nl

The doc change LGTM beyond a simple typo (to be fixed also on the Mumbai doc).

The with|without part is very confusing to me. It seems to suggest one isn't running with any operators.

Instead wouldn't it be simpler to exclusively rely on the existence of the configuration file? The node configuration is config file + cli config and if the config file doesn't exist it defaults to default/empty.

assigned to @mebsout and unassigned @ole.kruger

assigned to @ole.kruger and unassigned @mebsout