From dfbf10c94bfbbdbca353531c5cae6707e05981f0 Mon Sep 17 00:00:00 2001
From: Brandon Millman <brandon.millman@gmail.com>
Date: Tue, 6 Nov 2018 20:25:30 -0800
Subject: feat(instant): fallback to an empty wallet provider when none is
 injected

---
 packages/instant/src/components/buy_button.tsx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'packages/instant/src/components/buy_button.tsx')

diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx
index e6d50de96..515cd18e9 100644
--- a/packages/instant/src/components/buy_button.tsx
+++ b/packages/instant/src/components/buy_button.tsx
@@ -17,7 +17,7 @@ import { Text } from './ui/text';
 
 export interface BuyButtonProps {
     buyQuote?: BuyQuote;
-    assetBuyer?: AssetBuyer;
+    assetBuyer: AssetBuyer;
     affiliateInfo?: AffiliateInfo;
     onValidationPending: (buyQuote: BuyQuote) => void;
     onValidationFail: (buyQuote: BuyQuote, errorMessage: AssetBuyerError | ZeroExInstantError) => void;
@@ -34,7 +34,7 @@ export class BuyButton extends React.Component<BuyButtonProps> {
         onBuyFailure: util.boundNoop,
     };
     public render(): React.ReactNode {
-        const shouldDisableButton = _.isUndefined(this.props.buyQuote) || _.isUndefined(this.props.assetBuyer);
+        const shouldDisableButton = _.isUndefined(this.props.buyQuote);
         return (
             <Button width="100%" onClick={this._handleClick} isDisabled={shouldDisableButton}>
                 <Text fontColor={ColorOption.white} fontWeight={600} fontSize="20px">
@@ -46,11 +46,13 @@ export class BuyButton extends React.Component<BuyButtonProps> {
     private readonly _handleClick = async () => {
         // The button is disabled when there is no buy quote anyway.
         const { buyQuote, assetBuyer, affiliateInfo } = this.props;
-        if (_.isUndefined(buyQuote) || _.isUndefined(assetBuyer)) {
+        if (_.isUndefined(buyQuote)) {
             return;
         }
 
         this.props.onValidationPending(buyQuote);
+
+        // TODO(bmillman): move address and balance fetching to the async state
         const web3Wrapper = new Web3Wrapper(assetBuyer.provider);
         const takerAddress = await getBestAddress(web3Wrapper);
 
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