Bump deps (#702)

* Bump deps

* Update keyring

packages/api-derive/package.json

@@ -30,12 +30,10 @@
   },
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
-    "@babel/runtime": "^7.2.0",
+    "@babel/runtime": "^7.3.1",
     "@polkadot/api": "^0.43.5",
     "@polkadot/types": "^0.43.5",
     "@types/memoizee": "^0.4.2",
-    "@types/rx": "^4.1.1",
-    "memoizee": "^0.4.14",
-    "rxjs": "^6.3.3"
+    "memoizee": "^0.4.14"
   }
 }

packages/api-derive/src/chain/getHeader.ts

@@ -5,7 +5,7 @@
 import { Observable, combineLatest, of } from 'rxjs';
 import { catchError, map } from 'rxjs/operators';
 import { ApiInterface$Rx } from '@polkadot/api/types';
-import { HeaderExtended } from '@polkadot/types/Header';
+import { Header, HeaderExtended } from '@polkadot/types/index';
 
 import { drr } from '../util/drr';
 import { HeaderAndValidators } from './subscribeNewHead';
@@ -26,7 +26,7 @@ export function getHeader (api: ApiInterface$Rx) {
   return (hash: Uint8Array | string): Observable<HeaderExtended | undefined> =>
     // tslint:disable-next-line
     (combineLatest(
-      api.rpc.chain.getHeader(hash),
+      api.rpc.chain.getHeader(hash) as Observable<Header>,
       api.query.session
         ? api.query.session.validators.at(hash)
         : of([])

packages/api-derive/src/chain/subscribeNewHead.ts

@@ -5,8 +5,7 @@
 import { Observable, combineLatest, of } from 'rxjs';
 import { filter, map, switchMap } from 'rxjs/operators';
 import { ApiInterface$Rx } from '@polkadot/api/types';
-import { AccountId, Header } from '@polkadot/types/index';
-import { HeaderExtended } from '@polkadot/types/Header';
+import { AccountId, Header, HeaderExtended } from '@polkadot/types/index';
 
 import { drr } from '../util/drr';
 
@@ -31,7 +30,7 @@ export function subscribeNewHead (api: ApiInterface$Rx) {
           header && !!header.blockNumber
         ),
         switchMap((header: Header): Observable<HeaderAndValidators> =>
-          combineLatest(
+          (combineLatest(
             of(header),
             // theoretically we could combine at the first call with session.validators(), however
             // we make 100% sure we actually get the validators at a specific block so when these
@@ -39,7 +38,7 @@ export function subscribeNewHead (api: ApiInterface$Rx) {
             api.query.session
               ? api.query.session.validators.at(header.hash)
               : of([])
-          )
+          ) as Observable<HeaderAndValidators>)
         ),
         map(([header, validators]) =>
           new HeaderExtended(header, validators)