82 lines
2.4 KiB
TypeScript
82 lines
2.4 KiB
TypeScript
import { sha256 } from 'ethereumjs-util';
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import { AppState } from 'features/reducers';
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import { SwapState } from 'features/swap/types';
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import { IWallet, WalletConfig } from 'libs/wallet';
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export const REDUX_STATE = 'REDUX_STATE';
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export const ONBOARD_LOCAL_STORAGE_KEY = 'onboardStatus';
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export const NUMBER_OF_ONBOARD_SLIDES = 10;
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export function loadState<T>(): T | undefined {
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try {
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const serializedState = localStorage.getItem(REDUX_STATE);
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if (serializedState === null) {
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return undefined;
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}
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return JSON.parse(serializedState || '{}');
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} catch (err) {
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console.warn(' Warning: corrupted local storage', err);
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}
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}
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export const saveState = (state: any) => {
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try {
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const serializedState = JSON.stringify(state);
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localStorage.setItem(REDUX_STATE, serializedState);
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} catch (err) {
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console.warn(' Warning: failed to set to local storage', state);
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}
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};
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export type SwapLocalStorage = SwapState;
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export function loadStatePropertyOrEmptyObject<T>(key: keyof AppState): T | undefined {
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const localStorageState: Partial<AppState> | undefined = loadState();
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if (localStorageState) {
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if (localStorageState.hasOwnProperty(key)) {
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return localStorageState[key] as T;
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}
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}
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return undefined;
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}
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export function saveWalletConfig(wallet: IWallet, state: Partial<WalletConfig>): WalletConfig {
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const oldState = loadWalletConfig(wallet);
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const newState = { ...oldState, ...state };
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const key = getWalletConfigKey(wallet);
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localStorage.setItem(key, JSON.stringify(newState));
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return newState;
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}
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export function loadWalletConfig(wallet: IWallet): WalletConfig {
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try {
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const key = getWalletConfigKey(wallet);
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const state = localStorage.getItem(key);
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return state ? JSON.parse(state) : {};
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} catch (err) {
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console.error('Failed to load wallet state', err);
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return {};
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}
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}
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function getWalletConfigKey(wallet: IWallet): string {
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const address = wallet.getAddressString();
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return sha256(`${address}-mycrypto`).toString('hex');
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}
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export function isLegacyUser() {
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// All devs are legacy users!
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const oldLSValue = localStorage.getItem('gasPrice') || process.env.NODE_ENV !== 'production';
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const onboardProgress = localStorage.getItem(ONBOARD_LOCAL_STORAGE_KEY);
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if (oldLSValue && onboardProgress && parseInt(onboardProgress, 10) >= NUMBER_OF_ONBOARD_SLIDES) {
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return true;
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}
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return false;
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}
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export function isBetaUser() {
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return !!localStorage.getItem('acknowledged-beta');
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}
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