add concept of quoteState

2 files changed, 18 insertions, 9 deletions

diff --git a/packages/instant/src/containers/selected_asset_amount_input.ts b/packages/instant/src/containers/selected_asset_amount_input.ts
index 0d2c6dd7b..87bb0e335 100644
--- a/packages/instant/src/containers/selected_asset_amount_input.ts
+++ b/packages/instant/src/containers/selected_asset_amount_input.ts
@@ -37,24 +37,25 @@ const mapStateToProps = (state: State, _ownProps: SelectedAssetAmountInputProps)
 
 const updateBuyQuoteAsync = async (
     dispatch: Dispatch<Action>,
-    assetData?: string,
-    assetAmount?: BigNumber,
+    assetData: string,
+    assetAmount: BigNumber,
 ): Promise<void> => {
-    if (_.isUndefined(assetAmount) || _.isUndefined(assetData)) {
-        return;
-    }
     // get a new buy quote.
     const baseUnitValue = Web3Wrapper.toBaseUnitAmount(assetAmount, zrxDecimals);
 
+    // mark quote as pending
+    dispatch(actions.updateBuyQuoteStatePending());
+
     let newBuyQuote: BuyQuote | undefined;
     try {
         newBuyQuote = await assetBuyer.getBuyQuoteAsync(assetData, baseUnitValue);
-        errorUtil.errorFlasher.clearError(dispatch);
     } catch (error) {
+        dispatch(actions.updateBuyQuoteStateFailure());
         errorUtil.errorFlasher.flashNewError(dispatch, error);
         return;
     }
-
+    // We have a successful new buy quote
+    errorUtil.errorFlasher.clearError(dispatch);
     // invalidate the last buy quote.
     dispatch(actions.updateLatestBuyQuote(newBuyQuote));
 };
@@ -72,8 +73,13 @@ const mapDispatchToProps = (
         dispatch(actions.updateLatestBuyQuote(undefined));
         // reset our buy state
         dispatch(actions.updateSelectedAssetBuyState(AsyncProcessState.NONE));
-        // tslint:disable-next-line:no-floating-promises
-        debouncedUpdateBuyQuoteAsync(dispatch, assetData, value);
+
+        if (!_.isUndefined(value) && !_.isUndefined(assetData)) {
+            // even if it's debounced, give them the illusion it's loading
+            dispatch(actions.updateBuyQuoteStatePending());
+            // tslint:disable-next-line:no-floating-promises
+            debouncedUpdateBuyQuoteAsync(dispatch, assetData, value);
+        }
     },
 });
 
diff --git a/packages/instant/src/containers/selected_asset_instant_heading.ts b/packages/instant/src/containers/selected_asset_instant_heading.ts
index c97cfe11a..be31527f1 100644
--- a/packages/instant/src/containers/selected_asset_instant_heading.ts
+++ b/packages/instant/src/containers/selected_asset_instant_heading.ts
@@ -5,6 +5,7 @@ import { connect } from 'react-redux';
 import { oc } from 'ts-optchain';
 
 import { State } from '../redux/reducer';
+import { AsyncProcessState } from '../types';
 
 import { InstantHeading } from '../components/instant_heading';
 
@@ -14,12 +15,14 @@ interface ConnectedState {
     selectedAssetAmount?: BigNumber;
     totalEthBaseAmount?: BigNumber;
     ethUsdPrice?: BigNumber;
+    quoteState: AsyncProcessState;
 }
 
 const mapStateToProps = (state: State, _ownProps: InstantHeadingProps): ConnectedState => ({
     selectedAssetAmount: state.selectedAssetAmount,
     totalEthBaseAmount: oc(state).latestBuyQuote.worstCaseQuoteInfo.totalEthAmount(),
     ethUsdPrice: state.ethUsdPrice,
+    quoteState: state.quoteState,
 });
 
 export const SelectedAssetInstantHeading: React.ComponentClass<InstantHeadingProps> = connect(mapStateToProps)(