diff --git a/packages/app-explorer/package.json b/packages/app-explorer/package.json
index e71335f2ef..3416fcbe46 100644
--- a/packages/app-explorer/package.json
+++ b/packages/app-explorer/package.json
@@ -11,9 +11,9 @@
     "test": "jest --coverage"
   },
   "devDependencies": {
-    "@polkadot/primitives": "^0.12.4",
-    "@polkadot/primitives-codec": "^0.12.4",
-    "@polkadot/primitives-json": "^0.12.4",
+    "@polkadot/primitives": "^0.12.6",
+    "@polkadot/primitives-codec": "^0.12.6",
+    "@polkadot/primitives-json": "^0.12.6",
     "@polkadot/ui-react-app": "^0.1.7",
     "@polkadot/util-crypto": "^0.19.4"
   }
diff --git a/packages/app-extrinsics/package.json b/packages/app-extrinsics/package.json
index 9f6ff003de..cb31ca322a 100644
--- a/packages/app-extrinsics/package.json
+++ b/packages/app-extrinsics/package.json
@@ -11,8 +11,8 @@
     "test": "jest --coverage"
   },
   "devDependencies": {
-    "@polkadot/extrinsics": "^0.12.4",
-    "@polkadot/extrinsics-codec": "^0.12.4",
+    "@polkadot/extrinsics": "^0.12.6",
+    "@polkadot/extrinsics-codec": "^0.12.6",
     "@polkadot/ui-react-app": "^0.1.7",
     "react-dropzone": "^4.2.9"
   }
diff --git a/packages/app-extrinsics/src/App.js b/packages/app-extrinsics/src/App.js
index 5de9c0af24..68e899bbe0 100644
--- a/packages/app-extrinsics/src/App.js
+++ b/packages/app-extrinsics/src/App.js
@@ -10,18 +10,37 @@ import React from 'react';
 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
 import withObservable from '@polkadot/rx-react/with/observable';
 
-import Submission from './Submission';
 import Signer from './Signer';
+import Submission from './Submission';
+import Status from './Status';
 import translate from './translate';
 
 type Props = I18nProps & {};
 
+const CLOSE_STATUS = ['cancelled', 'error', 'sent'];
+
 const queue: rxjs$BehaviorSubject<QueueTx> = new BehaviorSubject(({
   isValid: false,
   status: 'incomplete'
 }: $Shape<QueueTx>));
 
 const QueuedSigner = withObservable(queue)(Signer);
+const QueuedStatus = withObservable(queue)(Status);
+
+queue.subscribe(({ status }) => {
+  if (CLOSE_STATUS.includes(status)) {
+    setTimeout(() => {
+      const tx = queue.getValue();
+
+      if (CLOSE_STATUS.includes(tx.status)) {
+        queue.next({
+          ...tx,
+          status: 'incomplete'
+        });
+      }
+    }, 5000);
+  }
+});
 
 function App ({ className, style }: Props): React$Node {
   return (
@@ -31,6 +50,7 @@ function App ({ className, style }: Props): React$Node {
     >
       <Submission subject={queue} />
       <QueuedSigner subject={queue} />
+      <QueuedStatus />
     </div>
   );
 }
diff --git a/packages/app-extrinsics/src/Extrinsic/index.js b/packages/app-extrinsics/src/Extrinsic/index.js
index ca9116499f..191917dc92 100644
--- a/packages/app-extrinsics/src/Extrinsic/index.js
+++ b/packages/app-extrinsics/src/Extrinsic/index.js
@@ -64,7 +64,9 @@ export default class Extrinsic extends React.PureComponent<Props> {
             values[index].isValid;
         }, !!values);
     const raw = values.map((param) => param && param.value);
-    const data = extrinsic.params && encodeExtrinsic(extrinsic, raw);
+    const data = extrinsic.params
+      ? encodeExtrinsic(extrinsic, raw)
+      : new Uint8Array([]);
 
     this.props.subject.next({
       data,
diff --git a/packages/app-extrinsics/src/Status.js b/packages/app-extrinsics/src/Status.js
new file mode 100644
index 0000000000..2f47f8b10f
--- /dev/null
+++ b/packages/app-extrinsics/src/Status.js
@@ -0,0 +1,37 @@
+// Copyright 2017-2018 Jaco Greeff
+// This software may be modified and distributed under the terms
+// of the ISC license. See the LICENSE file for details.
+// @flow
+
+import type { I18nProps } from '@polkadot/ui-react-app/types';
+import type { QueueTx } from './types';
+
+import React from 'react';
+
+import translate from './translate';
+
+type Props = I18nProps & {
+  value: QueueTx
+}
+
+function Status ({ className, style, value: { extrinsic, isValid, status } }: Props): React$Node {
+  if (!isValid || ['incomplete'].includes(status)) {
+    return null;
+  }
+
+  return (
+    <div
+      className={['extrinsics--Status', status, className].join(' ')}
+      style={style}
+    >
+      <div className='header'>
+        {extrinsic.section}_{extrinsic.name}
+      </div>
+      <div className='status'>
+        {status}
+      </div>
+    </div>
+  );
+}
+
+export default translate(Status);
diff --git a/packages/app-extrinsics/src/Submission/index.js b/packages/app-extrinsics/src/Submission/index.js
index d5ae9d91bf..485b98d14a 100644
--- a/packages/app-extrinsics/src/Submission/index.js
+++ b/packages/app-extrinsics/src/Submission/index.js
@@ -35,14 +35,15 @@ class Submission extends React.PureComponent<Props> {
   }
 
   componentWillMount () {
+    this.subjects.index.subscribe(this.onChange);
     this.subjects.method.subscribe(this.onChange);
     this.subjects.sender.subscribe(this.onChange);
   }
 
   onChange = (): void => {
-    const publicKey = this.subjects.sender.getValue();
-    const message = this.subjects.method.getValue();
     const index = this.subjects.index.getValue();
+    const message = this.subjects.method.getValue();
+    const publicKey = this.subjects.sender.getValue();
     const isValid = !!(publicKey && publicKey.length && message && message.isValid);
 
     this.subjects.call.next({
diff --git a/packages/app-extrinsics/src/index.css b/packages/app-extrinsics/src/index.css
index cbfaf0204b..0a8a7b6fe8 100644
--- a/packages/app-extrinsics/src/index.css
+++ b/packages/app-extrinsics/src/index.css
@@ -5,3 +5,23 @@
 .extrinsics--App {
   padding: 1em;
 }
+
+.extrinsics--Status {
+  background: #bcdaf0;
+  display: inline-block;
+  padding: 0.5rem 1rem;
+  position: fixed;
+  bottom: 0.125rem;
+  right: 0.125rem;
+  text-align: center;
+  z-index: 1001;
+}
+
+.extrinsics--Status .status {
+  font-weight: 700;
+}
+
+.extrinsics--Status.error {
+  background: red;
+  color: white;
+}
diff --git a/packages/ui-react-app/package.json b/packages/ui-react-app/package.json
index ce7b0a4594..4af94c6102 100644
--- a/packages/ui-react-app/package.json
+++ b/packages/ui-react-app/package.json
@@ -11,8 +11,9 @@
     "test": "jest --coverage"
   },
   "dependencies": {
-    "@polkadot/extrinsics-substrate": "^0.12.4",
-    "@polkadot/rx-react": "^0.5.2",
+    "@polkadot/extrinsics-substrate": "^0.12.6",
+    "@polkadot/rx-react": "^0.5.3",
+    "@polkadot/storage-substrate": "^0.12.6",
     "@polkadot/ui-react": "^0.10.2",
     "@polkadot/util": "^0.19.4",
     "@polkadot/util-keyring": "^0.19.4",
@@ -25,5 +26,8 @@
     "react-router-dom": "^4.2.2",
     "semantic-ui-css": "^2.3.1",
     "semantic-ui-react": "^0.79.1"
+  },
+  "devDepependencies": {
+    "@polkadot/primitives": "^0.12.6"
   }
 }
diff --git a/packages/ui-react-app/src/InputExtrinsic/SelectMethod.js b/packages/ui-react-app/src/InputExtrinsic/SelectMethod.js
index e384c883cc..55328eb6ab 100644
--- a/packages/ui-react-app/src/InputExtrinsic/SelectMethod.js
+++ b/packages/ui-react-app/src/InputExtrinsic/SelectMethod.js
@@ -23,6 +23,7 @@ type Props = I18nProps & {
 };
 
 function SelectMethod ({ className, isError, label = '', onChange, style, subject, t, type, value }: Props): React$Node {
+  // $FlowFixMe string vs ...
   if (!value || !extrinsics[value.section]) {
     return null;
   }
diff --git a/packages/ui-react-app/src/InputExtrinsic/index.js b/packages/ui-react-app/src/InputExtrinsic/index.js
index 1b5ae59845..f131147dd7 100644
--- a/packages/ui-react-app/src/InputExtrinsic/index.js
+++ b/packages/ui-react-app/src/InputExtrinsic/index.js
@@ -5,7 +5,7 @@
 
 // TODO: We have a lot shared between this and InputExtrinsic
 
-import type { Extrinsic, ExtrinsicSectionName } from '@polkadot/extrinsics/types';
+import type { Extrinsic } from '@polkadot/extrinsics/types';
 import type { I18nProps } from '../types';
 
 import './InputExtrinsic.css';
@@ -30,7 +30,7 @@ type Props = I18nProps & {
 };
 
 class InputExtrinsic extends React.PureComponent<Props> {
-  sectionSubject: rxjs$Subject<ExtrinsicSectionName>;
+  sectionSubject: rxjs$Subject<string>;
   SelectMethod: React$ComponentType<*>;
   subscriptions: Array<rxjs$ISubscription>
 
@@ -55,6 +55,7 @@ class InputExtrinsic extends React.PureComponent<Props> {
         const options = methodOptions(section, type);
 
         subject.next(
+          // $FlowFixMe we have string to be generix, but...
           map[section].methods[type][options[0].value]
         );
       })
diff --git a/packages/ui-react-app/src/InputExtrinsic/options/method.js b/packages/ui-react-app/src/InputExtrinsic/options/method.js
index 34b79d560a..f0a27fc365 100644
--- a/packages/ui-react-app/src/InputExtrinsic/options/method.js
+++ b/packages/ui-react-app/src/InputExtrinsic/options/method.js
@@ -8,14 +8,21 @@ import type { ExtrinsicSectionName } from '@polkadot/extrinsics/types';
 import React from 'react';
 import map from '@polkadot/extrinsics-substrate';
 
-export default function createOptions (sectionName: ExtrinsicSectionName, type: 'private' | 'public'): Array<*> {
-  const methods = map[sectionName].methods[type];
+// flowlint-next-line unclear-type:off
+export default function createOptions (sectionName: any, type: 'private' | 'public'): Array<*> {
+  const section = map[(sectionName: ExtrinsicSectionName)];
+
+  if (!section) {
+    return [];
+  }
+
+  const methods = section.methods[type];
 
   return Object
     .keys(methods)
     .sort()
     .map((name) => {
-      const { description, params = {} } = methods[name];
+      const { description = '', params = {} } = methods[name];
       const inputs = Object.keys(params).join(', ');
 
       return {
diff --git a/packages/ui-react-app/src/InputStorage/SelectKey.js b/packages/ui-react-app/src/InputStorage/SelectKey.js
index 50b8006789..69c5e89764 100644
--- a/packages/ui-react-app/src/InputStorage/SelectKey.js
+++ b/packages/ui-react-app/src/InputStorage/SelectKey.js
@@ -22,6 +22,7 @@ type Props = I18nProps & {
 };
 
 function SelectKey ({ className, isError, label = '', onChange, style, subject, t, value }: Props): React$Node {
+  // $FlowFixMe string vs ...
   if (!value || !map[value.section]) {
     return null;
   }
diff --git a/packages/ui-react-app/src/InputStorage/index.js b/packages/ui-react-app/src/InputStorage/index.js
index b0de7143c5..06d491b391 100644
--- a/packages/ui-react-app/src/InputStorage/index.js
+++ b/packages/ui-react-app/src/InputStorage/index.js
@@ -5,7 +5,7 @@
 
 // TODO: We have a lot shared between this and InputExtrinsic
 
-import type { StorageDef$Key, StateDb$SectionNames } from '@polkadot/storage/types';
+import type { StorageDef$Key } from '@polkadot/storage/types';
 import type { I18nProps } from '../types';
 
 import './InputStorage.css';
@@ -29,7 +29,7 @@ type Props = I18nProps & {
 };
 
 class InputStorage extends React.PureComponent<Props> {
-  sectionSubject: rxjs$Subject<StateDb$SectionNames>;
+  sectionSubject: rxjs$Subject<string>;
   subscriptions: Array<rxjs$ISubscription>
   SelectKey: React$ComponentType<*>;
 
@@ -53,6 +53,7 @@ class InputStorage extends React.PureComponent<Props> {
         const options = keyOptions(section);
 
         subject.next(
+          // $FlowFixMe we have string to be generix, but...
           map[section].keys[options[0].value]
         );
       })
diff --git a/packages/ui-react-app/src/InputStorage/options/key.js b/packages/ui-react-app/src/InputStorage/options/key.js
index f14c0df3d5..0f76f70120 100644
--- a/packages/ui-react-app/src/InputStorage/options/key.js
+++ b/packages/ui-react-app/src/InputStorage/options/key.js
@@ -8,8 +8,13 @@ import type { StateDb$SectionNames } from '@polkadot/storage/types';
 import React from 'react';
 import map from '@polkadot/storage-substrate/keys';
 
-export default function createOptions (sectionName: StateDb$SectionNames): Array<*> {
-  const section = map[sectionName];
+// flowlint-next-line unclear-type:off
+export default function createOptions (sectionName: any): Array<*> {
+  const section = map[(sectionName: StateDb$SectionNames)];
+
+  if (!section) {
+    return [];
+  }
 
   return Object
     .keys(section.keys)
@@ -20,7 +25,7 @@ export default function createOptions (sectionName: StateDb$SectionNames): Array
       return !isDeprecated && !isHidden && Object.keys(params).length === 0;
     })
     .map((name) => {
-      const { description, params = {} } = section.keys[name];
+      const { description = '', params = {} } = section.keys[name];
       const inputs = Object.keys(params).join(', ');
 
       return {
diff --git a/packages/ui-react-app/src/Params/Param/File.js b/packages/ui-react-app/src/Params/Param/File.js
index fba2e9f6c4..e57820e1f2 100644
--- a/packages/ui-react-app/src/Params/Param/File.js
+++ b/packages/ui-react-app/src/Params/Param/File.js
@@ -9,6 +9,8 @@ import type { RawParam } from '../types';
 import React from 'react';
 import Dropzone from 'react-dropzone';
 import withObservable from '@polkadot/rx-react/with/observable';
+import bnToU8a from '@polkadot/util/bn/toU8a';
+import u8aConcat from '@polkadot/util/u8a/concat';
 
 import translate from '../../translate';
 import Base from './Base';
@@ -30,9 +32,13 @@ function BytesFile ({ className, isError = false, label, onChange, subject, t }:
     files.forEach((file) => {
       const reader = new FileReader();
 
-      reader.onload = () =>
+      reader.onload = () => {
         // flowlint-next-line unclear-type:off
-        onChange(file, new Uint8Array((((reader.result): any): ArrayBuffer)));
+        const data = new Uint8Array((((reader.result): any): ArrayBuffer));
+        const vec = u8aConcat(bnToU8a(data.length, 32, true), data);
+
+        onChange(file, vec);
+      };
       reader.onabort = () =>
         onChange();
       reader.onerror = () =>
diff --git a/packages/ui-react-app/src/Params/index.js b/packages/ui-react-app/src/Params/index.js
index fa63386ad0..858a2c93e7 100644
--- a/packages/ui-react-app/src/Params/index.js
+++ b/packages/ui-react-app/src/Params/index.js
@@ -45,7 +45,9 @@ class Params extends React.PureComponent<Props, State> {
   }
 
   static getDerivedStateFromProps (props: Props, prevState: State): $Shape<State> | null {
-    if (!props.value || Object.keys(props.value.params || {}).length === 0) {
+    const { value: { params = {} } = {}, subject } = props;
+
+    if (Object.keys(params).length === 0) {
       Params.unsubscribe(prevState.subscriptions);
 
       return {
@@ -54,12 +56,12 @@ class Params extends React.PureComponent<Props, State> {
       };
     }
 
-    const subjects = createSubjects(props.value.params, props.subject);
+    const subjects = createSubjects(params, subject);
     let subscriptions;
 
-    if (props.subject) {
+    if (subject) {
       const onChange = (): void => {
-        props.subject.next(
+        subject.next(
           subjects.map((s) => s.getValue())
         );
       };
@@ -85,8 +87,8 @@ class Params extends React.PureComponent<Props, State> {
       return null;
     }
 
-    const { name, params } = value;
-    const paramNames = Object.keys(params || {});
+    const { name, params = {} } = value;
+    const paramNames = Object.keys(params);
 
     if (paramNames.length === 0) {
       return null;
diff --git a/packages/ui-react-app/src/Params/subjects.js b/packages/ui-react-app/src/Params/subjects.js
index 6595fda59d..bc6d69e74c 100644
--- a/packages/ui-react-app/src/Params/subjects.js
+++ b/packages/ui-react-app/src/Params/subjects.js
@@ -3,7 +3,7 @@
 // of the ISC license. See the LICENSE file for details.
 // @flow
 
-import type { Extrinsic$Params } from '@polkadot/extrinsics/types';
+import type { Params } from '@polkadot/primitives/param';
 import type { RawParam } from './types';
 
 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
@@ -11,7 +11,7 @@ import isUndefined from '@polkadot/util/is/undefined';
 
 import getInitValue from './initValue';
 
-export default function subjects (params: Extrinsic$Params, subject: rxjs$BehaviorSubject<Array<RawParam>>): Array<rxjs$BehaviorSubject<RawParam>> {
+export default function subjects (params: Params, subject: rxjs$BehaviorSubject<Array<RawParam>>): Array<rxjs$BehaviorSubject<RawParam>> {
   return Object
     .keys(params)
     .map((name: string): rxjs$BehaviorSubject<RawParam> => {
diff --git a/yarn.lock b/yarn.lock
index 58a6640fbe..2c226c866c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -622,25 +622,25 @@
     call-me-maybe "^1.0.1"
     glob-to-regexp "^0.3.0"
 
-"@polkadot/api-format@^0.9.13":
-  version "0.9.13"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-format/-/api-format-0.9.13.tgz#3f0bb7a1a3775bd026793903aff72a63ca040c31"
+"@polkadot/api-format@^0.9.15":
+  version "0.9.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-format/-/api-format-0.9.15.tgz#25d21f5d06dba64d00b614ee2a314ef4cbfbd782"
   dependencies:
-    "@polkadot/primitives-json" "^0.12.4"
+    "@polkadot/primitives-json" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/api-jsonrpc@^0.9.13":
-  version "0.9.13"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-jsonrpc/-/api-jsonrpc-0.9.13.tgz#4bf1de6a3a4cb0103bd5da3777eb4a656b3ce673"
+"@polkadot/api-jsonrpc@^0.9.15":
+  version "0.9.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-jsonrpc/-/api-jsonrpc-0.9.15.tgz#e210f5ce82d7c41c11ddf3cd83e521ede9f1ddae"
   dependencies:
     babel-runtime "^6.26.0"
 
-"@polkadot/api-provider@^0.9.13":
-  version "0.9.13"
-  resolved "https://registry.yarnpkg.com/@polkadot/api-provider/-/api-provider-0.9.13.tgz#b09f68d491b1f6d07d4f70e26f56eb536765bd9c"
+"@polkadot/api-provider@^0.9.15":
+  version "0.9.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/api-provider/-/api-provider-0.9.15.tgz#b641c2e83fb0cf966b4ecfa2500b7e5d816cefed"
   dependencies:
-    "@polkadot/storage-substrate" "^0.12.4"
+    "@polkadot/storage-substrate" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     "@polkadot/util-crypto" "^0.19.4"
     "@polkadot/util-keyring" "^0.19.4"
@@ -649,13 +649,13 @@
     isomorphic-fetch "^2.2.1"
     websocket "^1.0.25"
 
-"@polkadot/api@^0.9.13":
-  version "0.9.13"
-  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-0.9.13.tgz#0ea002e6a8fa9c1bedf8e31e6217d846ec537e6d"
+"@polkadot/api@^0.9.15":
+  version "0.9.15"
+  resolved "https://registry.yarnpkg.com/@polkadot/api/-/api-0.9.15.tgz#0a372b488f11c06d00b1e174633d304e16c94f6e"
   dependencies:
-    "@polkadot/api-format" "^0.9.13"
-    "@polkadot/api-jsonrpc" "^0.9.13"
-    "@polkadot/api-provider" "^0.9.13"
+    "@polkadot/api-format" "^0.9.15"
+    "@polkadot/api-jsonrpc" "^0.9.15"
+    "@polkadot/api-provider" "^0.9.15"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
@@ -697,108 +697,108 @@
     stylelint "^9.1.1"
     stylelint-config-standard "^18.2.0"
 
-"@polkadot/extrinsics-codec@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics-codec/-/extrinsics-codec-0.12.4.tgz#ab14f34a140f347089bfe48d439d74ecb7107fcb"
+"@polkadot/extrinsics-codec@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics-codec/-/extrinsics-codec-0.12.6.tgz#c4d0fb859fe189ddf57b2a993663fa7847a6fc1f"
   dependencies:
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
     bn.js "^4.11.8"
 
-"@polkadot/extrinsics-substrate@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics-substrate/-/extrinsics-substrate-0.12.4.tgz#d32a06b7c6a39f5cd5c50124c4a29062bc2429b0"
+"@polkadot/extrinsics-substrate@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics-substrate/-/extrinsics-substrate-0.12.6.tgz#36d35000053695e27c92dab6172e7f3a968f2ca8"
   dependencies:
-    "@polkadot/extrinsics" "^0.12.4"
+    "@polkadot/extrinsics" "^0.12.6"
     babel-runtime "^6.26.0"
 
-"@polkadot/extrinsics@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics/-/extrinsics-0.12.4.tgz#1c80415c6588ffcb5580b039e8fe014ca0bd2778"
+"@polkadot/extrinsics@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/extrinsics/-/extrinsics-0.12.6.tgz#627ad928da9ea8adf74c1abb313883544b75f7ef"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/primitives-builder@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/primitives-builder/-/primitives-builder-0.12.4.tgz#213ee92bcc2ee3b248d3fcd02c0f2ac463d27c50"
+"@polkadot/primitives-builder@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/primitives-builder/-/primitives-builder-0.12.6.tgz#e6bfd80ce811d65ed1cafde910f45df9661b9f44"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
-    "@polkadot/primitives-codec" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
+    "@polkadot/primitives-codec" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     "@polkadot/util-crypto" "^0.19.4"
     "@polkadot/util-triehash" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/primitives-codec@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/primitives-codec/-/primitives-codec-0.12.4.tgz#358bf9e2299c01d4e36ccc6369d755aae5a6711b"
+"@polkadot/primitives-codec@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/primitives-codec/-/primitives-codec-0.12.6.tgz#d64ad268f32ea734bd3ef77310412f269648e75f"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
-    "@polkadot/primitives-builder" "^0.12.4"
-    "@polkadot/primitives-rlp" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
+    "@polkadot/primitives-builder" "^0.12.6"
+    "@polkadot/primitives-rlp" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     "@polkadot/util-keyring" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/primitives-json@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/primitives-json/-/primitives-json-0.12.4.tgz#8e83799db0750df3d6f011bebae16e0cbffad159"
+"@polkadot/primitives-json@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/primitives-json/-/primitives-json-0.12.6.tgz#f58149578e4bbb970469272cae80c26be24fbe7d"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
-    "@polkadot/primitives-builder" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
+    "@polkadot/primitives-builder" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/primitives-rlp@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/primitives-rlp/-/primitives-rlp-0.12.4.tgz#0a936925a9afc32e1ad6b78540eff19b47b1a22e"
+"@polkadot/primitives-rlp@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/primitives-rlp/-/primitives-rlp-0.12.6.tgz#ceaddeeb42bd6e35664ea5a5a548123c0ef4403a"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
-    "@polkadot/primitives-builder" "^0.12.4"
-    "@polkadot/primitives-json" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
+    "@polkadot/primitives-builder" "^0.12.6"
+    "@polkadot/primitives-json" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     "@polkadot/util-crypto" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/primitives@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/primitives/-/primitives-0.12.4.tgz#7aa00e2ae19c44cc6c1e30a999342ac6cc5afbb8"
+"@polkadot/primitives@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/primitives/-/primitives-0.12.6.tgz#717b062853eb08370f1cb5a6cba37a612fd47829"
   dependencies:
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/rx-api@^0.5.2":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/rx-api/-/rx-api-0.5.2.tgz#df4f16d849f3fa1bb1842158dca70bf5e07ed6a7"
+"@polkadot/rx-api@^0.5.3":
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/@polkadot/rx-api/-/rx-api-0.5.3.tgz#d635f80e01f695b1af85a1bc0cfcb14aaef0dbd6"
   dependencies:
-    "@polkadot/api" "^0.9.13"
-    "@polkadot/api-provider" "^0.9.13"
+    "@polkadot/api" "^0.9.15"
+    "@polkadot/api-provider" "^0.9.15"
     rxjs "^5.5.10"
 
-"@polkadot/rx-react@^0.5.2":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@polkadot/rx-react/-/rx-react-0.5.2.tgz#9c65b1d329f20273b294238c19bfa3fe2e7a615e"
+"@polkadot/rx-react@^0.5.3":
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/@polkadot/rx-react/-/rx-react-0.5.3.tgz#f553c618a5f9849819d85ffeff9fb3a8a24dfd5f"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
-    "@polkadot/rx-api" "^0.5.2"
-    "@polkadot/storage-substrate" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
+    "@polkadot/rx-api" "^0.5.3"
+    "@polkadot/storage-substrate" "^0.12.6"
     "@polkadot/util" "^0.19.4"
 
-"@polkadot/storage-substrate@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/storage-substrate/-/storage-substrate-0.12.4.tgz#a48ee75ef88a2c8119fd712bd7fca59c67b728e7"
+"@polkadot/storage-substrate@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/storage-substrate/-/storage-substrate-0.12.6.tgz#5aff477494ef6a4fef883accd6ad9382c3fa22cf"
   dependencies:
-    "@polkadot/storage" "^0.12.4"
+    "@polkadot/storage" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"
 
-"@polkadot/storage@^0.12.4":
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/@polkadot/storage/-/storage-0.12.4.tgz#ec50733ea6fa4efeabc9238fd32aa3b60e39001b"
+"@polkadot/storage@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@polkadot/storage/-/storage-0.12.6.tgz#d65661cc10d3af5120516c7d252c5413ef89db6f"
   dependencies:
-    "@polkadot/primitives" "^0.12.4"
+    "@polkadot/primitives" "^0.12.6"
     "@polkadot/util" "^0.19.4"
     babel-runtime "^6.26.0"