* require old chain halts before upgrade
* Update proto/ibc/core/client/v1/client.proto
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
* start address reviews
* Apply suggestions from code review
Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>
* address reviews
* rework upgrade to ensure there is never more than one upgrade client in store
* fix tests
* fix conditional
* make proto-gen
* remove if statement skipping tests in upgrade keeper test
* address reviews
* correctly escape and unescape merkle keys
* add small conditional check
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>
Co-authored-by: Colin Axner <colinaxner@berkeley.edu>
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