* Add types for Polkadot claims module * ' instead of ` * Adjust types, `[u8; x]` workarounds * One less import * Map [u8; x] -> Uint8Array * Fix Codec imports
* Add types for Polkadot claims module * ' instead of ` * Adjust types, `[u8; x]` workarounds * One less import * Map [u8; x] -> Uint8Array * Fix Codec imports