Known types for Rococo (#2459)

* Known types for Rococo

* Update rococo.ts

Author: jacogr

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

@@ -7,13 +7,15 @@ import { OverrideVersionedType } from '@polkadot/types/types';
 import centrifugeChain from './centrifuge-chain';
 import kusama from './kusama';
 import polkadot from './polkadot';
+import rococo from './rococo';
 import westend from './westend';
 
 // Type overrides for specific spec types & versions as given in runtimeVersion
 const typesSpec: Record<string, OverrideVersionedType[]> = {
   'centrifuge-chain': centrifugeChain,
   kusama,
   polkadot,
+  rococo,
   westend
 };
 

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

@@ -0,0 +1,22 @@
+// Copyright 2017-2020 @polkadot/types-known authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { OverrideVersionedType } from '@polkadot/types/types';
+
+const sharedTypes = {
+  Address: 'AccountId',
+  Keys: 'SessionKeys5',
+  LookupSource: 'AccountId'
+};
+
+const versioned: OverrideVersionedType[] = [
+  {
+    minmax: [0, undefined],
+    types: {
+      ...sharedTypes
+    }
+  }
+];
+
+export default versioned;