From 82e663546021c298148211b1ae608a2fecb7ef7b Mon Sep 17 00:00:00 2001
From: Travis Eden <daovist@gmail.com>
Date: Mon, 14 May 2018 12:19:07 -0400
Subject: [PATCH] disable Send button when tip amount <= 0 or tip amount >
 balance

---
 src/renderer/component/walletSendTip/index.js | 2 ++
 src/renderer/component/walletSendTip/view.jsx | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/renderer/component/walletSendTip/index.js b/src/renderer/component/walletSendTip/index.js
index dc304f2e7..ad1d98cb7 100644
--- a/src/renderer/component/walletSendTip/index.js
+++ b/src/renderer/component/walletSendTip/index.js
@@ -4,6 +4,7 @@ import {
   makeSelectTitleForUri,
   makeSelectClaimForUri,
   selectIsSendingSupport,
+  selectBalance,
 } from 'lbry-redux';
 import WalletSendTip from './view';
 
@@ -11,6 +12,7 @@ const select = (state, props) => ({
   isPending: selectIsSendingSupport(state),
   title: makeSelectTitleForUri(props.uri)(state),
   claim: makeSelectClaimForUri(props.uri)(state),
+  balance: selectBalance(state),
 });
 
 const perform = dispatch => ({
diff --git a/src/renderer/component/walletSendTip/view.jsx b/src/renderer/component/walletSendTip/view.jsx
index a8d10a8a5..b8dad4480 100644
--- a/src/renderer/component/walletSendTip/view.jsx
+++ b/src/renderer/component/walletSendTip/view.jsx
@@ -14,6 +14,7 @@ type Props = {
   sendSupport: (number, string, string) => void,
   onCancel: () => void,
   sendTipCallback?: () => void,
+  balance: number,
 };
 
 type State = {
@@ -51,7 +52,8 @@ class WalletSendTip extends React.PureComponent<Props, State> {
   }
 
   render() {
-    const { title, errorMessage, isPending, uri, onCancel } = this.props;
+    const { title, errorMessage, isPending, uri, onCancel, balance } = this.props;
+    const { amount } = this.state;
 
     return (
       <div>
@@ -82,7 +84,7 @@ class WalletSendTip extends React.PureComponent<Props, State> {
             <Button
               button="primary"
               label={__('Send')}
-              disabled={isPending}
+              disabled={isPending || amount <= 0 || amount > balance}
               onClick={this.handleSendButtonClicked}
             />
             <Button button="alt" label={__('Cancel')} onClick={onCancel} navigateParams={{ uri }} />