save sendForm state

src/js/actions/AbstractAccountActions.js

@@ -55,8 +55,10 @@ export const update = (initAccountAction: () => ThunkAction): ThunkAction => {
             abstractAccount,
             router
         } = getState();
-        const isLocationChanged: boolean = (!abstractAccount || router.location.pathname !== abstractAccount.location);
-        if (isLocationChanged) {
+
+        const shouldReload: boolean = (!abstractAccount || router.location.pathname !== abstractAccount.location);
+        if (shouldReload) {
+            dispatch( dispose() );
             dispatch( init() );
             if (abstractAccount !== null)
                 initAccountAction();

src/js/actions/SendFormActions.js

@@ -93,7 +93,20 @@ export type SendFormAction = SendTxAction | {
     type: typeof SEND.SEND,
 } | {
     type: typeof SEND.TX_ERROR,
-};
+} | {
+    type: typeof SEND.FROM_SESSION_STORAGE,
+    address: string,
+    amount: string,
+    setMax: boolean,
+    selectedCurrency: string,
+    selectedFeeLevel: any,
+    advanced: boolean,
+    gasLimit: string,
+    gasPrice: string,
+    data: string,
+    nonce: string,
+    touched: any,
+}
 
 //const numberRegExp = new RegExp('^([0-9]{0,10}\\.)?[0-9]{1,18}$');
 const numberRegExp: RegExp = new RegExp('^(0|0\\.([0-9]+)?|[1-9][0-9]*\\.?([0-9]+)?|\\.[0-9]+)$');

src/js/actions/constants/send.js

@@ -17,4 +17,6 @@ export const DATA_CHANGE: 'send__data_change' = 'send__data_change';
 export const SEND: 'send__submit' = 'send__submit';
 export const TX_COMPLETE: 'send__tx_complete' = 'send__tx_complete';
 export const TX_ERROR: 'send__tx_error' = 'send__tx_error';
-export const TOGGLE_ADVANCED: 'send__toggle_advanced' = 'send__toggle_advanced';
+export const TOGGLE_ADVANCED: 'send__toggle_advanced' = 'send__toggle_advanced';
+
+export const FROM_SESSION_STORAGE: 'send__from_session_storage' = 'send__from_session_storage';

src/js/reducers/SendFormReducer.js

@@ -202,6 +202,25 @@ export default (state: State = initialState, action: Action): State => {
                 infos: action.infos,
             }
 
+        case SEND.FROM_SESSION_STORAGE : 
+            return {
+                ...state,
+                
+                address: action.address,
+                amount: action.amount,
+                setMax: action.setMax,
+                selectedCurrency: action.selectedCurrency,
+                selectedFeeLevel: action.selectedFeeLevel,
+                advanced: action.advanced,
+                gasLimit: action.gasLimit,
+                gasPrice: action.gasPrice,
+                data: action.data,
+                nonce: action.nonce,
+                untouched: false,
+                touched: action.touched,
+
+            }
+
         default:
             return state;
     }

src/js/services/SessionStorageService.js

@@ -0,0 +1,145 @@
+/* @flow */
+'use strict';
+
+import * as LocalStorageActions from '../actions/LocalStorageActions';
+import * as SendFormActions from '../actions/SendFormActions';
+
+import { DEVICE } from 'trezor-connect';
+import * as CONNECT from '../actions/constants/TrezorConnect';
+import * as MODAL from '../actions/constants/modal';
+import * as TOKEN from '../actions/constants/token';
+import * as ACCOUNT from '../actions/constants/account';
+import * as DISCOVERY from '../actions/constants/discovery';
+import * as SEND from '../actions/constants/send';
+import * as WEB3 from '../actions/constants/web3';
+import * as PENDING from '../actions/constants/pendingTx';
+import { LOCATION_CHANGE } from 'react-router-redux';
+import { findAccountTokens } from '../reducers/TokensReducer';
+
+import type { 
+    Middleware,
+    MiddlewareAPI,
+    MiddlewareDispatch,
+    State,
+    Dispatch,
+    Action,
+    AsyncAction,
+    GetState 
+} from '../flowtype';
+
+import type { TrezorDevice } from '../flowtype';
+import type { Account } from '../reducers/AccountsReducer';
+import type { Token } from '../reducers/TokensReducer';
+import type { PendingTx } from '../reducers/PendingTxReducer';
+import type { Discovery } from '../reducers/DiscoveryReducer';
+
+
+const save = (dispatch: Dispatch, getState: GetState): void => {
+
+    if (typeof window.sessionStorage === 'undefined') return;
+
+    const accountState = getState().abstractAccount;
+    const sendState = getState().sendForm;
+    if (accountState && !sendState.untouched) {
+        const value = {
+            address: sendState.address,
+            amount: sendState.amount,
+            setMax: sendState.setMax,
+            selectedCurrency: sendState.selectedCurrency,
+            selectedFeeLevel: sendState.selectedFeeLevel,
+            advanced: sendState.advanced,
+            gasLimit: sendState.gasLimit,
+            gasPrice: sendState.gasPrice,
+            data: sendState.data,
+            nonce: sendState.nonce,
+            touched: sendState.touched
+        }
+
+        try {
+            window.sessionStorage.setItem(`SEND:${accountState.location}`, JSON.stringify(value) );
+        } catch (error) {
+            console.error("Saving sessionStorage error: " + error)
+        }
+        
+    }
+
+    
+}
+
+const load = (dispatch: Dispatch, getState: GetState): void => {
+
+    if (typeof window.localStorage === 'undefined') return;
+
+    const accountState = getState().abstractAccount;
+    const sendState = getState().sendForm;
+
+    if (accountState) {
+        try {
+            const key: string = `SEND:${accountState.location}`;
+            const value: string = window.sessionStorage.getItem(key);
+            const json = JSON.parse(value);
+
+            if (json) {
+
+                // check if this token still exists in user tokens list
+                if (json.selectedCurrency !== sendState.coinSymbol) {
+                    const token = getState().tokens.find(t => t.symbol === json.selectedCurrency);
+                    if (!token) {
+                        window.sessionStorage.removeItem(key);
+                        return;
+                    }
+                }
+
+                dispatch({
+                    type: SEND.FROM_SESSION_STORAGE,
+                    address: json.address,
+                    amount: json.amount,
+                    setMax: false,
+                    selectedCurrency: json.selectedCurrency,
+                    selectedFeeLevel: json.selectedFeeLevel,
+                    advanced: json.advanced,
+                    gasLimit: json.gasLimit,
+                    gasPrice: json.gasPrice,
+                    data: json.data,
+                    nonce: json.nonce,
+                    touched: json.touched,
+                });
+
+                if (json.setMax) {
+                    dispatch(SendFormActions.onSetMax());
+                } else {
+                    dispatch(SendFormActions.validation());
+                }
+
+                
+            }
+        } catch (error) {
+            console.error("Loading sessionStorage error: " + error)
+        }
+    }
+}
+
+
+const LocalStorageService: Middleware = (api: MiddlewareAPI) => (next: MiddlewareDispatch) => (action: Action): Action => {
+
+    if (action.type === ACCOUNT.DISPOSE) {
+    // if (action.type === SEND.DISPOSE) {
+        // save fields before dispose action
+        save(api.dispatch, api.getState);
+    }
+
+    next(action);
+    
+
+    switch (action.type) {
+
+        // load fields after action
+        case SEND.INIT :
+            load(api.dispatch, api.getState);
+        break;
+    }
+
+    return action;
+};
+
+export default LocalStorageService;

src/js/services/index.js

@@ -4,6 +4,7 @@
 import LogService from './LogService';
 import RouterService from './RouterService';
 import LocalStorageService from './LocalStorageService';
+import SessionStorageService from './SessionStorageService';
 import CoinmarketcapService from './CoinmarketcapService';
 import TrezorConnectService from './TrezorConnectService';
 
@@ -11,6 +12,7 @@ export default [
     LogService,
     RouterService,
     LocalStorageService,
+    SessionStorageService,
     TrezorConnectService,
     CoinmarketcapService,
 ];