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/*
This file is part of GNU Taler
(C) 2019 Taler Systems S.A.
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 { WalletNotification } from "@gnu-taler/taler-util";
import { HttpRequestLibrary } from "@gnu-taler/taler-util/http";
/**
* Helpers to initiate a wallet in a host environment.
*/
/**
*/
export interface DefaultNodeWalletArgs {
/**
* Location of the wallet database.
*
* If not specified, the wallet starts out with an empty database and
* the wallet database is stored only in memory.
*/
persistentStoragePath?: string;
/**
* Handler for asynchronous notifications from the wallet.
*/
notifyHandler?: (n: WalletNotification) => void;
/**
* If specified, use this as HTTP request library instead
* of the default one.
*/
httpLib?: HttpRequestLibrary;
cryptoWorkerType?: "sync" | "node-worker-thread";
}
/**
* Generate a random alphanumeric ID. Does *not* use cryptographically
* secure randomness.
*/
export function makeTempfileId(length: number): string {
let result = "";
const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
for (let i = 0; i < length; i++) {
result += characters.charAt(Math.floor(Math.random() * characters.length));
}
return result;
}
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