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WASM: make host functions and reveals able to consume more than one tick

Context

This MR allows host functions and reveal to consume a certain amount of ticks, to mimic the behavior of a similar instruction in the regular interpreter that would take multiple ticks.

For example, writing memory of a certain size takes more than one tick, while using a host function to read a value from the durable storage and writing in memory will take a single one.

Note that for now every host function takes 1 ticks and needs to be benchmarked. This is only a framework.

Manually testing the MR

Trust the CI, but I'll try to write a test to check it works as expected.

Checklist

  • 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).
  • Select suitable reviewers using the Reviewers field below.
  • Select as Assignee the next person who should take action on that MR
Edited by Pierrick Couderc

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