1 files changed, 8 insertions, 0 deletions
diff --git a/packages/instant/src/redux/reducer.ts b/packages/instant/src/redux/reducer.ts
index e4578d620..5026895ae 100644
--- a/packages/instant/src/redux/reducer.ts
+++ b/packages/instant/src/redux/reducer.ts
@@ -1,13 +1,16 @@
+import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
 import { Action, ActionTypes } from '../types';
 
 export interface State {
     ethUsdPrice?: string;
+    selectedAssetAmount?: BigNumber;
 }
 
 export const INITIAL_STATE: State = {
     ethUsdPrice: undefined,
+    selectedAssetAmount: undefined,
 };
 
 export const reducer = (state: State = INITIAL_STATE, action: Action): State => {
@@ -17,6 +20,11 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
                 ...state,
                 ethUsdPrice: action.data,
             };
+        case ActionTypes.UPDATE_SELECTED_ASSET_AMOUNT:
+            return {
+                ...state,
+                selectedAssetAmount: action.data,
+            };
         default:
             return state;
     }