reducer/utils

src/js/reducers/utils/index.js

@@ -0,0 +1,84 @@
+/* @flow */
+'use strict';
+
+import * as LogActions from '~/js/actions/LogActions';
+import * as STORAGE from '~/js/actions/constants/localStorage';
+import * as WALLET from '~/js/actions/constants/wallet';
+
+import type { 
+    Middleware,
+    MiddlewareAPI,
+    MiddlewareDispatch,
+    State,
+    Dispatch,
+    Action,
+    AsyncAction,
+    GetState,
+    TrezorDevice,
+    Account,
+    Coin,
+    Discovery,
+    Token,
+    Web3Instance
+} from '~/flowtype';
+
+export const getSelectedDevice = (state: State): ?TrezorDevice => {
+
+    const locationState = state.router.location.state;
+    if (!locationState.device) return undefined;
+
+    const instance: ?number = locationState.deviceInstance ? parseInt(locationState.deviceInstance) : undefined;
+    return state.devices.find(d => {
+        if (d.unacquired && d.path === locationState.device) {
+            return true;
+        } else if (d.features && d.features.bootloader_mode && d.path === locationState.device) {
+            return true;
+        } else if (d.features && d.features.device_id === locationState.device && d.instance === instance) {
+            return true;
+        }
+        return false;
+    });
+}
+
+export const isSelectedDevice = (current: ?TrezorDevice, device: ?TrezorDevice): boolean => {
+    return (current && device && (current.path === device.path || current.instance === device.instance)) ? true : false;
+}
+
+export const getSelectedAccount = (state: State): ?Account => {
+    const device = state.wallet.selectedDevice;
+    const locationState = state.router.location.state;
+    if (!device || !locationState.network || !locationState.account) return null;
+    
+    const index: number = parseInt(locationState.account);
+
+    return state.accounts.find(a => a.deviceState === device.state && a.index === index && a.network === locationState.network);
+}
+
+export const getSelectedNetwork = (state: State): ?Coin => {
+    const device = state.wallet.selectedDevice;
+    const coins = state.localStorage.config.coins;
+    const locationState = state.router.location.state;
+    if (!device || !locationState.network) return null;
+    
+    return coins.find(c => c.network === locationState.network);
+}
+
+export const getDiscoveryProcess = (state: State): ?Discovery => {
+    const device = state.wallet.selectedDevice;
+    const locationState = state.router.location.state;
+    if (!device || !locationState.network) return null;
+
+    return state.discovery.find(d => d.deviceState === device.state && d.network === locationState.network);
+}
+
+export const getTokens = (state: State): Array<Token> => {
+    const account = state.selectedAccount.account;
+    if (!account) return state.selectedAccount.tokens;
+    return state.tokens.filter(t => t.ethAddress === account.address && t.network === account.network && t.deviceState === account.deviceState);
+}
+
+export const getWeb3 = (state: State): ?Web3Instance => {
+    const locationState = state.router.location.state;
+    if (!locationState.network) return null;
+    return state.web3.find(w3 => w3.network === locationState.network);
+}