Wrap return type of storage function in an `Option<...>` if modifier is 'Optional'
0.13.1
Not secure
* Fixed duplicate encode already encoded `AccountId` in contract deploy * Scalecodec bump: Refactored Tuple type
0.13.0
Not secure
* Return fallback/default value of storage function if RPC returns None * Decode constant_value in get_metadata_constant * Automatic encoding of `AccountId` types to SS58 format * Added MetadataV13 support * Added `BTreeSet`, `BTreeMap`, `HashMap` support * Added `BoundedVec` support * Added Cumulus types
0.12.7
Not secure
0.12.6
Not secure
* Added ignore_decoding_errors option to `query_map()` * Scalecodec version bump (Added XCM types)