Feature/refactor contract sponsoring
- fix Small fixes.
add extension class to playgrounds
- Merge branch 'develop' into test/move-to-playgrounds
- Merge pull request #503 from UniqueNetwork/feature/change-collection-owner
- chore update changelog
pallets/common/Cargo.toml1.9 KiBsourcehistoryFeature/refactor contract sponsoring
add extension class to playgrounds