* Use cosmossdk.io/errors for deprecated error methods
* Update error registration with cosmossdk.io/errors
* Use cosmossdk.io/math for deprecated sdk.Int alias
* Fix modified proto file
* Update sdk.Int usage in swap hooks
* Update e2e test deprecated method usage
* make auctions not expire without bids
* add events
* improve genesis state validation
* add genesis tests
* update comment
Co-Authored-By: Kevin Davis <karzak@users.noreply.github.com>
* add more events attributes
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>