Add isHardware flags (#210)

* Add isHardware flags

* Ledger connection  options

packages/ui-keyring/package.json

@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^1.4.1",
-    "@polkadot/types": "^0.93.0-beta.2",
+    "@polkadot/types": "^0.93.0-beta.3",
     "@polkadot/util": "^1.4.1"
   },
   "peerDependencies": {

packages/ui-keyring/src/observable/genericSubject.ts

@@ -41,7 +41,8 @@ export default function genericSubject (keyCreator: (address: string) => string,
         option: createOptionItem(address, json.meta.name)
       };
 
-      if (!json.meta.isInjected && (!json.meta.isTesting || development.isDevelopment())) {
+      // we do not store dev accounts, injected or hardware (the latter two are external/transient)
+      if (!json.meta.isInjected && !json.meta.isHardware && (!json.meta.isTesting || development.isDevelopment())) {
         store.set(keyCreator(address), json);
       }
 

packages/ui-keyring/src/types.ts

@@ -30,6 +30,8 @@ export interface KeyringOptions extends KeyringOptionsBase {
 export interface KeyringJson$Meta {
   contract?: ContractMeta;
   genesisHash?: string | null;
+  hardwareType?: 'ledger';
+  isHardware?: boolean;
   isInjected?: boolean;
   isRecent?: boolean;
   isTesting?: boolean;