Ki contracts (#143)

* add contracts to keyring

* genesisHash

* requested changes + allPlus option type

* remove duplicate fn

* add contracts to keyring

* genesisHash

* requested changes + allPlus option type

* remove duplicate fn

* changes

* contract key

* prefixes

* remove fallback hell

* errors

* remove breaking api

packages/ui-keyring/src/options/types.ts

@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { KeyringStruct } from '../types';
+import { KeyringItemType, KeyringStruct } from '../types';
 
 export type KeyringSectionOption = {
   className?: string,
@@ -17,13 +17,7 @@ export type KeyringSectionOption = {
 export type KeyringSectionOptions = Array<KeyringSectionOption>;
 
 export type KeyringOptions = {
-  account: KeyringSectionOptions,
-  address: KeyringSectionOptions,
-  all: KeyringSectionOptions,
-  allPlus: KeyringSectionOptions,
-  contract: KeyringSectionOptions,
-  recent: KeyringSectionOptions,
-  testing: KeyringSectionOptions
+  [type in KeyringItemType | 'all' | 'allPlus' | 'recent' | 'testing']: KeyringSectionOptions
 };
 
 export type KeyringOption$Type = keyof KeyringOptions;