From a514337b9bd7d8667e74fdfabfcef38a6ce88887 Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Mon, 30 Apr 2018 08:50:52 +0200
Subject: [PATCH] Small tweaks to hash input (#9)

---
 packages/app-extrinsics/src/Params/Hash.js          | 11 +++++++++--
 packages/app-extrinsics/src/Params/VoteThreshold.js |  2 +-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/packages/app-extrinsics/src/Params/Hash.js b/packages/app-extrinsics/src/Params/Hash.js
index bc52a54fd1..f9d1ea4e0e 100644
--- a/packages/app-extrinsics/src/Params/Hash.js
+++ b/packages/app-extrinsics/src/Params/Hash.js
@@ -14,7 +14,13 @@ import Base from './Base';
 export default function Hash ({ isError, label, subject, t }: Props): React$Node {
   // eslint-disable-next-line no-unused-vars
   const onChange = (event: SyntheticEvent<*>, { value }) => {
-    const u8a = hexToU8a(value);
+    let u8a;
+
+    try {
+      u8a = hexToU8a(value);
+    } catch (error) {
+      u8a = new Uint8Array([]);
+    }
 
     subject.next({
       isValid: u8a.length === 32,
@@ -25,11 +31,12 @@ export default function Hash ({ isError, label, subject, t }: Props): React$Node
   return (
     <Base
       label={label}
-      size='small'
+      size='medium'
     >
       <Input
         error={isError}
         onChange={onChange}
+        placeholder='0x...'
         type='text'
       />
     </Base>
diff --git a/packages/app-extrinsics/src/Params/VoteThreshold.js b/packages/app-extrinsics/src/Params/VoteThreshold.js
index 70e8c0b82b..5407cf68e4 100644
--- a/packages/app-extrinsics/src/Params/VoteThreshold.js
+++ b/packages/app-extrinsics/src/Params/VoteThreshold.js
@@ -30,7 +30,7 @@ export default function VoteThreshold ({ label, subject, t, value: { options: {
     >
       <Dropdown
         selection
-        defaultValue={initValue}
+        defaultValue={initValue || 0}
         options={options}
         onChange={onChange}
       />