backend not working

src/js/actions/DiscoveryActions.js

@@ -35,7 +35,7 @@ export type DiscoveryStartAction = {
 }
 
 export type DiscoveryWaitingAction = {
-    type: typeof DISCOVERY.WAITING,
+    type: typeof DISCOVERY.WAITING_FOR_DEVICE | typeof DISCOVERY.WAITING_FOR_BACKEND,
     device: TrezorDevice,
     network: string
 }
@@ -69,13 +69,31 @@ export const start = (device: TrezorDevice, network: string, ignoreCompleted?: b
             console.warn("Start discovery: Selected device is unavailable...")
             return;
         }
+        
+        const web3 = getState().web3.find(w3 => w3.network === network);
+        if (!web3) {
+            console.error("Start discovery: Web3 does not exist", network)
+            return;
+        }
 
+        if (!web3.web3.currentProvider.isConnected()) {
+            console.error("Start discovery: Web3 is not connected", network)
+            dispatch({
+                type: DISCOVERY.WAITING_FOR_BACKEND,
+                device,
+                network
+            });
+            return;
+        }
+        
         const discovery: State = getState().discovery;
         let discoveryProcess: ?Discovery = discovery.find(d => d.deviceState === device.state && d.network === network);
+
+        
         
         if (!selected.connected && (!discoveryProcess || !discoveryProcess.completed)) {
             dispatch({
-                type: DISCOVERY.WAITING,
+                type: DISCOVERY.WAITING_FOR_DEVICE,
                 device,
                 network
             });
@@ -111,7 +129,7 @@ const begin = (device: TrezorDevice, network: string): AsyncAction => {
         if (!coinToDiscover) return;
 
         dispatch({
-            type: DISCOVERY.WAITING,
+            type: DISCOVERY.WAITING_FOR_DEVICE,
             device,
             network
         });

src/js/actions/Web3Actions.js

@@ -18,6 +18,7 @@ import type {
     Action,
     AsyncAction,
 } from '../flowtype';
+import type { ContractFactory } from 'web3';
 
 import type { Account } from '../reducers/AccountsReducer';
 import type { PendingTx } from '../reducers/PendingTxReducer';
@@ -32,15 +33,15 @@ export type Web3Action = {
 export type Web3CreateAction = {
     type: typeof WEB3.CREATE,
     network: string,
-    web3: Web3, //(web3instance)
-    erc20: any,
+    web3: Web3,
+    erc20: ContractFactory,
     chainId: string;
 };
 
 export type Web3UpdateBlockAction = {
     type: typeof WEB3.BLOCK_UPDATED,
     network: string,
-    blockHash: any
+    blockHash: string
 };
 
 export type Web3UpdateGasPriceAction = {
@@ -76,9 +77,18 @@ export function init(web3: ?Web3, coinIndex: number = 0): AsyncAction {
             if (currentHostIndex + 1 < urls.length) {
                 web3host = urls[currentHostIndex + 1];
             } else {
-                console.error("TODO: Backend " + network + " not working");
+                console.error("TODO: Backend " + network + " not working", web3.currentProvider );
+
+                dispatch({
+                    type: WEB3.CREATE,
+                    network,
+                    web3,
+                    erc20: web3.eth.contract(ERC20Abi),
+                    chainId: '0'
+                });
+
                 // try next coin
-                dispatch( init(web3, coinIndex + 1) );
+                dispatch( init(null, coinIndex + 1) );
                 return;
             }
         }

src/js/actions/constants/discovery.js

@@ -4,5 +4,6 @@
 export const START: 'discovery__start' = 'discovery__start';
 export const STOP: 'discovery__stop' = 'discovery__stop';
 export const COMPLETE: 'discovery__complete' = 'discovery__complete';
-export const WAITING: 'discovery__waiting' = 'discovery__waiting';
+export const WAITING_FOR_DEVICE: 'discovery__waiting_for_device' = 'discovery__waiting_for_device';
+export const WAITING_FOR_BACKEND: 'discovery__waiting_for_backend' = 'discovery__waiting_for_backend';
 export const FROM_STORAGE: 'discovery__from_storage' = 'discovery__from_storage';

src/js/components/wallet/account/AbstractAccount.js

@@ -58,7 +58,7 @@ export default class AbstractAccount<P> extends Component<Props & P, AccountStat
         const device = findDevice(props.devices, currentState.deviceState, currentState.deviceId, currentState.deviceInstance);
         if (!device) return;
         const discovery = props.discovery.find(d => d.deviceState === device.state && d.network === currentState.network);
-        if (!discovery) return;
+        // if (!discovery) return;
         const account = props.accounts.find(a => a.deviceState === currentState.deviceState && a.index === currentState.index && a.network === currentState.network);
         
 
@@ -68,10 +68,13 @@ export default class AbstractAccount<P> extends Component<Props & P, AccountStat
                 deviceStatusNotification = <Notification className="info" title={ `Device ${ device.instanceLabel } is disconnected` } />;
             } else if (!device.available) {
                 deviceStatusNotification = <Notification className="info" title={ `Device ${ device.instanceLabel } is unavailable` } message="Change passphrase settings to use this device" />;
-            } else if (!discovery.completed) {
-                deviceStatusNotification = <Notification className="info" title="Loading accounts" />;
             }
         }
+
+        if (discovery && !discovery.completed && !deviceStatusNotification) {
+            deviceStatusNotification = <Notification className="info" title="Loading accounts" />;
+        }
+
         this.setState({
             device,
             discovery,
@@ -112,7 +115,7 @@ export default class AbstractAccount<P> extends Component<Props & P, AccountStat
                     if (device.available) {
                         return (
                             <section>
-                                <Notification className="info" title="Loading accounts" />
+                                <Notification className="info" title="Loading accounts..." />
                             </section>
                         );
                     } else {
@@ -137,6 +140,12 @@ export default class AbstractAccount<P> extends Component<Props & P, AccountStat
                         </section>
                     );
                 }
+            } else if (discovery.waitingForBackend) {
+                return (
+                    <section>
+                        <Notification className="warning" title="Backend not working" />
+                    </section>
+                );
             } else if (discovery.completed) {
                 return (
                     <section>

src/js/flowtype/web3.js

@@ -2,11 +2,17 @@ import type BigNumber from 'bignumber.js';
 import type { EthereumUnitT, EthereumAddressT } from 'ethereum-types';
 
 declare module 'web3' {
-    declare type ProviderT = Object;
+    declare type ProviderT = {
+        host: string;
+        timeout: number;
+        isConnected: () => boolean;
+        send: (payload: any) => any;
+        sendAsync: (payload: any, callback: (error: Error, result: any) => void) => any;
+    };
 
     declare class Web3T {
         static providers: {
-            HttpProvider: (url: string) => ProviderT;
+            HttpProvider: (host: string, timeout?: number) => ProviderT;
         };
 
         constructor(ProviderT): Web3T;
@@ -54,7 +60,7 @@ declare module 'web3' {
         // constructor(abi: Array<Object>);
         eth: Eth;
         abi: Array<Object>;
-        at: (address: string, callback: (error: Error, contract: Contract) => void) => Contract;
+        at: (address: string, callback: ?(error: Error, contract: Contract) => void) => Contract; // TODO
     }
 
     declare export class Contract {

src/js/reducers/DiscoveryReducer.js

@@ -29,7 +29,7 @@ export type Discovery = {
     interrupted: boolean;
     completed: boolean;
     waitingForDevice: boolean;
-    waitingForAuth?: boolean;
+    waitingForBackend: boolean;
 }
 
 export type State = Array<Discovery>;
@@ -50,7 +50,8 @@ const start = (state: State, action: DiscoveryStartAction): State => {
         accountIndex: 0,
         interrupted: false,
         completed: false,
-        waitingForDevice: false
+        waitingForDevice: false,
+        waitingForBackend: false,
     }
 
     const newState: State = [ ...state ];
@@ -92,7 +93,7 @@ const stop = (state: State, action: DiscoveryStopAction): State => {
     });
 }
 
-const waiting = (state: State, action: DiscoveryWaitingAction): State => {
+const waitingForDevice = (state: State, action: DiscoveryWaitingAction): State => {
 
     const deviceState: string = action.device.state || '0';
     const instance: Discovery = {
@@ -104,7 +105,34 @@ const waiting = (state: State, action: DiscoveryWaitingAction): State => {
         accountIndex: 0,
         interrupted: false,
         completed: false,
-        waitingForDevice: true
+        waitingForDevice: true,
+        waitingForBackend: false,
+    }
+
+    const index: number = findIndex(state, action.network, deviceState);
+    const newState: State = [ ...state ];
+    if (index >= 0) {
+        newState[index] = instance;
+    } else {
+        newState.push(instance);
+    }
+
+    return newState;
+}
+
+const waitingForBackend = (state: State, action: DiscoveryWaitingAction): State => {
+    const deviceState: string = action.device.state || '0';
+    const instance: Discovery = {
+        network: action.network,
+        deviceState,
+        xpub: '',
+        hdKey: null,
+        basePath: [],
+        accountIndex: 0,
+        interrupted: false,
+        completed: false,
+        waitingForDevice: false,
+        waitingForBackend: true
     }
 
     const index: number = findIndex(state, action.network, deviceState);
@@ -129,14 +157,17 @@ export default function discovery(state: State = initialState, action: Action):
             return stop(state, action);
         case DISCOVERY.COMPLETE :
             return complete(state, action);
-        case DISCOVERY.WAITING :
-            return waiting(state, action)
+        case DISCOVERY.WAITING_FOR_DEVICE :
+            return waitingForDevice(state, action);
+        case DISCOVERY.WAITING_FOR_BACKEND :
+            return waitingForBackend(state, action);
         case DISCOVERY.FROM_STORAGE :
             return action.payload.map(d => {
                 return {
                     ...d,
                     interrupted: false,
-                    waitingForDevice: false
+                    waitingForDevice: false,
+                    waitingForBackend: false,
                 }
             })
         case CONNECT.FORGET :

src/js/reducers/Web3Reducer.js

@@ -12,14 +12,15 @@ import type {
     Web3UpdateBlockAction,
     Web3UpdateGasPriceAction 
 } from '../actions/Web3Actions';
+import type { ContractFactory } from 'web3';
 
 export type Web3Instance = {
     network: string;
     web3: Web3;
     chainId: number;
     latestBlock: any;
-    gasPrice: string; //BigNumber
-    erc20: any; //ContractFactory
+    gasPrice: string;
+    erc20: ContractFactory;
 }
 
 export type State = Array<Web3Instance>;

src/js/services/LocalStorageService.js

@@ -118,7 +118,6 @@ const LocalStorageService: Middleware = (api: MiddlewareAPI) => (next: Middlewar
         case DISCOVERY.START :
         case DISCOVERY.STOP :
         case DISCOVERY.COMPLETE :
-        // case DISCOVERY.WAITING :
             save(api.dispatch, api.getState);
         break;