Adjust ProxyType for Westend (#2339)

Author: jacogr

CHANGELOG.md

@@ -3,10 +3,13 @@
 ## 1.18.0-beta.x
 
 - Expand docs on node-template types (Thanks to https://github.com/g2udevelopment)
-- Update contract fees to current impl. (thanks to https://github.com/djuanit0x)
+- Update contract fees to current impl. (Thanks to https://github.com/djuanit0x)
+- Allow `Option` types in enum/Result type generation (Thanks to http://github.com/xlc)
+- Add `.entriesPaged` and `.keysPaged` methods for state maps (https://github.com/monitz87)
 - Add types for new Substrate proxy module
 - Adjust types for new Substrate (renamed) npos-elections module
 - `Call` now exposes `method` & `section` fields (aligned with `toHuman()` representation)
+- Cater for new Substrate string subscription ids (with backwards compatibility)
 
 ## 1.17.2 Jun 2, 2020
 

packages/types-known/src/spec/westend.ts

@@ -16,12 +16,23 @@ const versioned: OverrideVersionedType[] = [
     }
   },
   {
-    minmax: [3, undefined],
+    minmax: [3, 19],
     types: {
       Address: 'AccountId',
       Keys: 'SessionKeys5',
       LookupSource: 'AccountId'
     }
+  },
+  {
+    minmax: [20, undefined],
+    types: {
+      Address: 'AccountId',
+      Keys: 'SessionKeys5',
+      LookupSource: 'AccountId',
+      ProxyType: {
+        _enum: ['Any', 'NonTransfer', 'Staking']
+      }
+    }
   }
 ];