From 38896c9358c07d722b2a24d458e6c949b802fa37 Mon Sep 17 00:00:00 2001
From: Brandon Millman <brandon.millman@gmail.com>
Date: Fri, 9 Nov 2018 00:42:50 -0800
Subject: feat(instant): handle privacy mode in wallets

---
 packages/instant/src/components/zero_ex_instant_provider.tsx | 2 --
 packages/instant/src/constants.ts                            | 3 ---
 packages/instant/src/redux/actions.ts                        | 2 --
 packages/instant/src/redux/async_data.ts                     | 9 +++++++--
 packages/instant/src/redux/reducer.ts                        | 4 +---
 packages/instant/src/types.ts                                | 7 +++----
 6 files changed, 11 insertions(+), 16 deletions(-)

(limited to 'packages')

diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index 11f867abc..411f118cc 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -98,7 +98,6 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
             // tslint:disable-next-line:no-floating-promises
             asyncData.fetchAvailableAssetDatasAndDispatchToStore(this._store);
         }
-
         if (state.providerState.account.state !== AccountState.None) {
             this._accountUpdateHeartbeat = generateAccountHeartbeater({
                 store: this._store,
@@ -114,7 +113,6 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
         this._buyQuoteHeartbeat.start(BUY_QUOTE_UPDATE_INTERVAL_TIME_MS);
         // tslint:disable-next-line:no-floating-promises
         asyncData.fetchCurrentBuyQuoteAndDispatchToStore({ store: this._store, shouldSetPending: true });
-
         // warm up the gas price estimator cache just in case we can't
         // grab the gas price estimate when submitting the transaction
         // tslint:disable-next-line:no-floating-promises
diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 6bfbc690e..110a8248a 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -33,6 +33,3 @@ export const LOADING_ACCOUNT: AccountNotReady = {
 export const LOCKED_ACCOUNT: AccountNotReady = {
     state: AccountState.Locked,
 };
-export const ERROR_ACCOUNT: AccountNotReady = {
-    state: AccountState.Error,
-};
diff --git a/packages/instant/src/redux/actions.ts b/packages/instant/src/redux/actions.ts
index fc89e3d0e..8947c6c97 100644
--- a/packages/instant/src/redux/actions.ts
+++ b/packages/instant/src/redux/actions.ts
@@ -23,7 +23,6 @@ function createAction<T extends string, P>(type: T, data?: P): PlainAction<T> |
 export enum ActionTypes {
     SET_ACCOUNT_STATE_LOADING = 'SET_ACCOUNT_STATE_LOADING',
     SET_ACCOUNT_STATE_LOCKED = 'SET_ACCOUNT_STATE_LOCKED',
-    SET_ACCOUNT_STATE_ERROR = 'SET_ACCOUNT_STATE_ERROR',
     SET_ACCOUNT_STATE_READY = 'SET_ACCOUNT_STATE_READY',
     UPDATE_ACCOUNT_ETH_BALANCE = 'UPDATE_ACCOUNT_ETH_BALANCE',
     UPDATE_ETH_USD_PRICE = 'UPDATE_ETH_USD_PRICE',
@@ -47,7 +46,6 @@ export enum ActionTypes {
 export const actions = {
     setAccountStateLoading: () => createAction(ActionTypes.SET_ACCOUNT_STATE_LOADING),
     setAccountStateLocked: () => createAction(ActionTypes.SET_ACCOUNT_STATE_LOCKED),
-    setAccountStateError: () => createAction(ActionTypes.SET_ACCOUNT_STATE_ERROR),
     setAccountStateReady: (address: string) => createAction(ActionTypes.SET_ACCOUNT_STATE_READY, address),
     updateAccountEthBalance: (addressAndBalance: AddressAndEthBalanceInWei) =>
         createAction(ActionTypes.UPDATE_ACCOUNT_ETH_BALANCE, addressAndBalance),
diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index a47c7a605..b920ac914 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -40,14 +40,19 @@ export const asyncData = {
         const { store, shouldSetToLoading } = options;
         const { providerState } = store.getState();
         const web3Wrapper = providerState.web3Wrapper;
+        const provider = providerState.provider;
         if (shouldSetToLoading && providerState.account.state !== AccountState.Loading) {
             store.dispatch(actions.setAccountStateLoading());
         }
         let availableAddresses: string[];
         try {
-            availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
+            // TODO(bmillman): Add support at the web3Wrapper level for calling `eth_requestAccounts` instead of calling enable here
+            const isPrivacyModeEnabled = !_.isUndefined((provider as any).enable);
+            availableAddresses = isPrivacyModeEnabled
+                ? await (provider as any).enable()
+                : await web3Wrapper.getAvailableAddressesAsync();
         } catch (e) {
-            store.dispatch(actions.setAccountStateError());
+            store.dispatch(actions.setAccountStateLocked());
             return;
         }
         if (!_.isEmpty(availableAddresses)) {
diff --git a/packages/instant/src/redux/reducer.ts b/packages/instant/src/redux/reducer.ts
index a5a1b6f7d..ef46fdd9d 100644
--- a/packages/instant/src/redux/reducer.ts
+++ b/packages/instant/src/redux/reducer.ts
@@ -4,7 +4,7 @@ import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as _ from 'lodash';
 
-import { ERROR_ACCOUNT, LOADING_ACCOUNT, LOCKED_ACCOUNT } from '../constants';
+import { LOADING_ACCOUNT, LOCKED_ACCOUNT } from '../constants';
 import { assetMetaDataMap } from '../data/asset_meta_data_map';
 import {
     Account,
@@ -65,8 +65,6 @@ export const createReducer = (initialState: State) => {
                 return reduceStateWithAccount(state, LOADING_ACCOUNT);
             case ActionTypes.SET_ACCOUNT_STATE_LOCKED:
                 return reduceStateWithAccount(state, LOCKED_ACCOUNT);
-            case ActionTypes.SET_ACCOUNT_STATE_ERROR:
-                return reduceStateWithAccount(state, ERROR_ACCOUNT);
             case ActionTypes.SET_ACCOUNT_STATE_READY: {
                 const account: AccountReady = {
                     state: AccountState.Ready,
diff --git a/packages/instant/src/types.ts b/packages/instant/src/types.ts
index 62afe652d..b43a82d46 100644
--- a/packages/instant/src/types.ts
+++ b/packages/instant/src/types.ts
@@ -102,11 +102,10 @@ export interface ProviderState {
 }
 
 export enum AccountState {
+    None = 'NONE,',
     Loading = 'LOADING',
     Ready = 'READY',
-    Locked = 'LOCKED', // TODO(bmillman): break this up into locked / privacy mode enabled
-    Error = 'ERROR',
-    None = 'NONE,',
+    Locked = 'LOCKED',
 }
 
 export interface AccountReady {
@@ -115,7 +114,7 @@ export interface AccountReady {
     ethBalanceInWei?: BigNumber;
 }
 export interface AccountNotReady {
-    state: AccountState.None | AccountState.Loading | AccountState.Locked | AccountState.Error;
+    state: AccountState.None | AccountState.Loading | AccountState.Locked;
 }
 
 export type Account = AccountReady | AccountNotReady;
-- 
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