feature: add wallet redux module

app/redux/modules/wallet.js

@@ -0,0 +1,68 @@
+// @flow
+import type { Action } from '../../types/redux';
+
+// Actions
+export const LOAD_WALLET_SUMMARY = 'LOAD_WALLET_SUMMARY';
+export const LOAD_WALLET_SUMMARY_SUCCESS = 'LOAD_WALLET_SUMMARY_SUCCESS';
+export const LOAD_WALLET_SUMMARY_ERROR = 'LOAD_WALLET_SUMMARY_ERROR';
+
+// Actions Creators
+export const loadWalletSummary = () => ({
+  type: LOAD_WALLET_SUMMARY,
+  payload: {},
+});
+
+export const loadWalletSummarySuccess = ({
+  total,
+  shielded,
+  transparent,
+}: {
+  total: number,
+  shielded: number,
+  transparent: number,
+}) => ({
+  type: LOAD_WALLET_SUMMARY_SUCCESS,
+  payload: { total, shielded, transparent },
+});
+
+export const loadWalletSummaryError = ({ error }: { error: string }) => ({
+  type: LOAD_WALLET_SUMMARY_ERROR,
+  payload: { error },
+});
+
+export type State = {
+  total: number,
+  shielded: number,
+  transparent: number,
+  error: string | null,
+  isLoading: boolean,
+  dollarValue: number,
+};
+
+const initialState = {
+  total: 0,
+  shielded: 0,
+  transparent: 0,
+  error: null,
+  isLoading: false,
+  dollarValue: 0,
+};
+
+export default (state: State = initialState, action: Action) => {
+  switch (action.type) {
+    case LOAD_WALLET_SUMMARY:
+      return { ...state, isLoading: true };
+    case LOAD_WALLET_SUMMARY_SUCCESS:
+      // TODO: Get zec in dollars
+      return {
+        ...state,
+        ...action.payload,
+        isLoading: false,
+        error: null,
+      };
+    case LOAD_WALLET_SUMMARY_ERROR:
+      return { ...state, isLoading: false, error: action.payload.error };
+    default:
+      return state;
+  }
+};