From 8288e8cce963bbd96c71b3adeb5d34bb96c30693 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Mon, 29 Oct 2018 09:03:39 -0700
Subject: When transaction too low, treat as validation error. also modify
 callback: errorMessage could be AssetBuyError as well

---
 packages/instant/src/components/buy_button.tsx              | 13 +++++++++----
 packages/instant/src/components/buy_order_state_buttons.tsx |  4 ++--
 .../containers/selected_asset_buy_order_state_buttons.ts    |  4 ++--
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/packages/instant/src/components/buy_button.tsx b/packages/instant/src/components/buy_button.tsx
index 876edd396..bceabbca3 100644
--- a/packages/instant/src/components/buy_button.tsx
+++ b/packages/instant/src/components/buy_button.tsx
@@ -16,7 +16,7 @@ export interface BuyButtonProps {
     buyQuote?: BuyQuote;
     assetBuyer?: AssetBuyer;
     onValidationPending: (buyQuote: BuyQuote) => void;
-    onValidationFail: (buyQuote: BuyQuote, error: ZeroExInstantError) => void;
+    onValidationFail: (buyQuote: BuyQuote, errorMessage: AssetBuyerError | ZeroExInstantError) => void;
     onSignatureDenied: (buyQuote: BuyQuote, preventedError: Error) => void;
     onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
     onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
@@ -59,9 +59,14 @@ export class BuyButton extends React.Component<BuyButtonProps> {
         try {
             txHash = await assetBuyer.executeBuyQuoteAsync(buyQuote, { takerAddress });
         } catch (e) {
-            if (e instanceof Error && e.message === AssetBuyerError.SignatureRequestDenied) {
-                this.props.onSignatureDenied(buyQuote, e);
-                return;
+            if (e instanceof Error) {
+                if (e.message === AssetBuyerError.SignatureRequestDenied) {
+                    this.props.onSignatureDenied(buyQuote, e);
+                    return;
+                } else if (e.message === AssetBuyerError.TransactionValueTooLow) {
+                    this.props.onValidationFail(buyQuote, AssetBuyerError.TransactionValueTooLow);
+                    return;
+                }
             }
             throw e;
         }
diff --git a/packages/instant/src/components/buy_order_state_buttons.tsx b/packages/instant/src/components/buy_order_state_buttons.tsx
index f9d683be6..7c06ff31b 100644
--- a/packages/instant/src/components/buy_order_state_buttons.tsx
+++ b/packages/instant/src/components/buy_order_state_buttons.tsx
@@ -1,4 +1,4 @@
-import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
+import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
 import * as React from 'react';
 
 import { BuyButton } from '../components/buy_button';
@@ -18,7 +18,7 @@ export interface BuyOrderStateButtonProps {
     assetBuyer?: AssetBuyer;
     onViewTransaction: () => void;
     onValidationPending: (buyQuote: BuyQuote) => void;
-    onValidationFail: (buyQuote: BuyQuote, error: ZeroExInstantError) => void;
+    onValidationFail: (buyQuote: BuyQuote, errorMessage: AssetBuyerError | ZeroExInstantError) => void;
     onSignatureDenied: (buyQuote: BuyQuote, error: Error) => void;
     onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
     onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
diff --git a/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts b/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts
index 1a568c1fb..241c0192c 100644
--- a/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts
+++ b/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts
@@ -1,4 +1,4 @@
-import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
+import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
 import * as _ from 'lodash';
 import * as React from 'react';
 import { connect } from 'react-redux';
@@ -26,7 +26,7 @@ interface ConnectedDispatch {
     onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
     onBuyFailure: (buyQuote: BuyQuote, txHash: string) => void;
     onRetry: () => void;
-    onValidationFail: (buyQuote: BuyQuote, error: ZeroExInstantError) => void;
+    onValidationFail: (buyQuote: BuyQuote, errorMessage: AssetBuyerError | ZeroExInstantError) => void;
 }
 export interface SelectedAssetBuyOrderStateButtons {}
 const mapStateToProps = (state: State, _ownProps: SelectedAssetBuyOrderStateButtons): ConnectedState => ({
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