wallet-core/src/operations/state.ts
2020-04-07 13:37:32 +05:30

66 lines
2.3 KiB
TypeScript

/*
This file is part of GNU Taler
(C) 2019 GNUnet e.V.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { HttpRequestLibrary } from "../util/http";
import { NextUrlResult, WalletBalance } from "../types/walletTypes";
import { CryptoApi, CryptoWorkerFactory } from "../crypto/workers/cryptoApi";
import { AsyncOpMemoMap, AsyncOpMemoSingle } from "../util/asyncMemo";
import { Logger } from "../util/logging";
import { PendingOperationsResponse } from "../types/pending";
import { WalletNotification } from "../types/notifications";
import { Database } from "../util/query";
type NotificationListener = (n: WalletNotification) => void;
const logger = new Logger("state.ts");
export class InternalWalletState {
cachedNextUrl: { [fulfillmentUrl: string]: NextUrlResult } = {};
memoProcessReserve: AsyncOpMemoMap<void> = new AsyncOpMemoMap();
memoMakePlanchet: AsyncOpMemoMap<void> = new AsyncOpMemoMap();
memoGetPending: AsyncOpMemoSingle<
PendingOperationsResponse
> = new AsyncOpMemoSingle();
memoGetBalance: AsyncOpMemoSingle<WalletBalance> = new AsyncOpMemoSingle();
memoProcessRefresh: AsyncOpMemoMap<void> = new AsyncOpMemoMap();
memoProcessRecoup: AsyncOpMemoMap<void> = new AsyncOpMemoMap();
cryptoApi: CryptoApi;
listeners: NotificationListener[] = [];
constructor(
public db: Database,
public http: HttpRequestLibrary,
cryptoWorkerFactory: CryptoWorkerFactory,
) {
this.cryptoApi = new CryptoApi(cryptoWorkerFactory);
}
public notify(n: WalletNotification): void {
logger.trace("Notification", n);
for (const l of this.listeners) {
const nc = JSON.parse(JSON.stringify(n));
setTimeout(() => {
l(nc);
}, 0);
}
}
addNotificationListener(f: (n: WalletNotification) => void): void {
this.listeners.push(f);
}
}