Bastian Köcher 057636fd1f Remove footgun around session keys/handlers (#3949) ...

* Remove footgun around session keys/handlers

- `OpaqueKeys` now has an associated type `KeyTypeIdProviders`. This can
be used in the runtime as input for `SessionHandler` from the session
trait.
- `impl_opaque_keys` now works with modules and extracts the `KeyTypeId`
from the module directly.
- Added some checks to the `session` storage initialization that checks
that the `SessionHandler` and `Keys` use the same number of keys and
that the order is equal.

* Update core/sr-primitives/src/traits.rs

2019-10-29 00:58:58 +01:00

substrate

Remove footgun around session keys/handlers (#3949)

2019-10-29 00:58:58 +01:00

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