feat: modify public API to allow for passing in available assets, or fetch assets from SRA

3 files changed, 29 insertions, 9 deletions

diff --git a/packages/instant/src/redux/actions.ts b/packages/instant/src/redux/actions.ts
index bfae68e2b..eadd8b42c 100644
--- a/packages/instant/src/redux/actions.ts
+++ b/packages/instant/src/redux/actions.ts
@@ -4,7 +4,7 @@ import * as _ from 'lodash';
 
 import { BigNumberInput } from '../util/big_number_input';
 
-import { ActionsUnion, OrderState } from '../types';
+import { ActionsUnion, Asset, OrderState } from '../types';
 
 export interface PlainAction<T extends string> {
     type: T;
@@ -28,6 +28,7 @@ export enum ActionTypes {
     UPDATE_BUY_ORDER_STATE = 'UPDATE_BUY_ORDER_STATE',
     UPDATE_LATEST_BUY_QUOTE = 'UPDATE_LATEST_BUY_QUOTE',
     UPDATE_SELECTED_ASSET = 'UPDATE_SELECTED_ASSET',
+    SET_AVAILABLE_ASSETS = 'SET_AVAILABLE_ASSETS',
     SET_QUOTE_REQUEST_STATE_PENDING = 'SET_QUOTE_REQUEST_STATE_PENDING',
     SET_QUOTE_REQUEST_STATE_FAILURE = 'SET_QUOTE_REQUEST_STATE_FAILURE',
     SET_ERROR_MESSAGE = 'SET_ERROR_MESSAGE',
@@ -43,6 +44,7 @@ export const actions = {
     updateBuyOrderState: (orderState: OrderState) => createAction(ActionTypes.UPDATE_BUY_ORDER_STATE, orderState),
     updateLatestBuyQuote: (buyQuote?: BuyQuote) => createAction(ActionTypes.UPDATE_LATEST_BUY_QUOTE, buyQuote),
     updateSelectedAsset: (assetData?: string) => createAction(ActionTypes.UPDATE_SELECTED_ASSET, assetData),
+    setAvailableAssets: (availableAssets: Asset[]) => createAction(ActionTypes.SET_AVAILABLE_ASSETS, availableAssets),
     setQuoteRequestStatePending: () => createAction(ActionTypes.SET_QUOTE_REQUEST_STATE_PENDING),
     setQuoteRequestStateFailure: () => createAction(ActionTypes.SET_QUOTE_REQUEST_STATE_FAILURE),
     setErrorMessage: (errorMessage: string) => createAction(ActionTypes.SET_ERROR_MESSAGE, errorMessage),
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index 4ed89bdc3..f8dbe9fd4 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -1,22 +1,33 @@
+import * as _ from 'lodash';
+
 import { BIG_NUMBER_ZERO } from '../constants';
+import { assetUtils } from '../util/asset';
 import { coinbaseApi } from '../util/coinbase_api';
 
-import { ActionTypes } from './actions';
-
+import { actions } from './actions';
 import { Store } from './store';
 
 export const asyncData = {
-    fetchAndDispatchToStore: async (store: Store) => {
+    fetchEthPriceAndDispatchToStore: async (store: Store) => {
         let ethUsdPrice = BIG_NUMBER_ZERO;
         try {
             ethUsdPrice = await coinbaseApi.getEthUsdPrice();
         } catch (e) {
             // ignore
         } finally {
-            store.dispatch({
-                type: ActionTypes.UPDATE_ETH_USD_PRICE,
-                data: ethUsdPrice,
-            });
+            store.dispatch(actions.updateEthUsdPrice(ethUsdPrice));
+        }
+    },
+    fetchAvailableAssetDatasAndDispatchToStore: async (store: Store) => {
+        const { assetBuyer, assetMetaDataMap, network } = store.getState();
+        if (!_.isUndefined(assetBuyer)) {
+            try {
+                const assetDatas = await assetBuyer.getAvailableAssetDatasAsync();
+                const assets = assetUtils.createAssetsFromAssetDatas(assetDatas, assetMetaDataMap, network);
+                store.dispatch(actions.setAvailableAssets(assets));
+            } catch (e) {
+                // ignore
+            }
         }
     },
 };
diff --git a/packages/instant/src/redux/reducer.ts b/packages/instant/src/redux/reducer.ts
index dd9403052..c0a8c1771 100644
--- a/packages/instant/src/redux/reducer.ts
+++ b/packages/instant/src/redux/reducer.ts
@@ -24,6 +24,7 @@ export interface State {
     assetBuyer?: AssetBuyer;
     assetMetaDataMap: ObjectMap<AssetMetaData>;
     selectedAsset?: Asset;
+    availableAssets: Asset[];
     selectedAssetAmount?: BigNumberInput;
     buyOrderState: OrderState;
     ethUsdPrice?: BigNumber;
@@ -36,6 +37,7 @@ export interface State {
 export const INITIAL_STATE: State = {
     network: Network.Mainnet,
     selectedAssetAmount: undefined,
+    availableAssets: [],
     assetMetaDataMap,
     buyOrderState: { processState: OrderProcessState.NONE },
     ethUsdPrice: undefined,
@@ -109,7 +111,7 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
             const newSelectedAssetData = action.data;
             let newSelectedAsset: Asset | undefined;
             if (!_.isUndefined(newSelectedAssetData)) {
-                newSelectedAsset = assetUtils.createAssetFromAssetData(
+                newSelectedAsset = assetUtils.createAssetFromAssetDataOrThrow(
                     newSelectedAssetData,
                     state.assetMetaDataMap,
                     state.network,
@@ -127,6 +129,11 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
                 buyOrderState: { processState: OrderProcessState.NONE },
                 selectedAssetAmount: undefined,
             };
+        case ActionTypes.SET_AVAILABLE_ASSETS:
+            return {
+                ...state,
+                availableAssets: action.data,
+            };
         default:
             return state;
     }