Context

I want to use Tezt to run public nodes which accept incoming connections. This MR should make it possible.

I’ll try this patch with Octogram very soon, but in the meantime, feedback is very welcome.

Manually testing the MR

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, CHANGES.rst at the root of the repository for everything else).
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Edited Jun 16, 2023 by Thomas Letan