AuthorityIndex -> u32 (#1261)

* AuthorityIndex -> u32

* Interface update

* Run build:interfaces as part of build command

packages/types/src/interfaces/babe/definitions.ts

@@ -8,7 +8,7 @@ export default {
     SlotNumber: 'u64',
     RawBabePreDigest: {
       slotNumber: 'SlotNumber',
-      authorityIndex: 'u64', // AuthorityIndex (also in aura, same size)
+      authorityIndex: 'u32', // AuthorityIndex (also in aura, not same size there)
       vrfOutput: 'H256', // should be '[u8; 32]' (generator support lacking here)
       vrfProof: 'H256' // should be '[u8; 32]'
     }

packages/types/src/interfaces/babe/types.ts

@@ -1,7 +1,7 @@
 // Auto-generated via `yarn build:interfaces`, do not edit
 
 import { Struct } from '../../codec';
-import { H256, u64 } from '../../primitive';
+import { H256, u32, u64 } from '../../primitive';
 
 /** u64 */
 export type BabeWeight = u64;
@@ -10,8 +10,8 @@ export type BabeWeight = u64;
 export interface RawBabePreDigest extends Struct {
   /** SlotNumber */
   readonly slotNumber: SlotNumber;
-  /** u64 */
-  readonly authorityIndex: u64;
+  /** u32 */
+  readonly authorityIndex: u32;
   /** H256 */
   readonly vrfOutput: H256;
   /** H256 */