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Commit bb2df212 authored by Alexander Theißen's avatar Alexander Theißen Committed by GitHub
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Implement nested storage transactions (#6269)



* Add transactional storage functionality to OverlayChanges

A collection already has a natural None state. No need to
wrap it with an option.

* Add storage transactions runtime interface

* Add frame support for transactions

* Fix committed typo

* Rename 'changes' variable to 'overlay'

* Fix renaming change

* Fixed strange line break

* Rename clear to clear_where

* Add comment regarding delete value on mutation

* Add comment which changes are covered by a transaction

* Do force the arg to with_transaction return a Result

* Use rust doc comments on every documentable place

* Fix wording of insert_diry doc

* Improve doc on start_transaction

* Rename value to overlayed in close_transaction

* Inline negation

* Improve wording of close_transaction comments

* Get rid of an expect by using get_or_insert_with

* Remove trailing whitespace

* Rename should to expected in tests

* Rolling back a transaction must mark the overlay as dirty

* Protect client initiated storage tx from being droped by runtime

* Review nits

* Return Err when entering or exiting runtime fails

* Documentation fixup

* Remove close type

* Move enter/exit runtime to excute_aux in the state-machine

* Rename Discard -> Rollback

* Move child changeset creation to constructor

* Move child spawning into the closure

* Apply suggestions from code review

Co-authored-by: default avatarBastian Köcher <[email protected]>

* Fixup for code suggestion

* Unify re-exports

* Rename overlay_changes to mod.rs and move into subdir

* Change proof wording

* Adapt a new test from master to storage-tx

* Suggestions from the latest round of review

* Fix warning message

Co-authored-by: default avatarBastian Köcher <[email protected]>
parent 6aa8965f
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