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/*
This file is part of TALER
(C) 2016 GNUnet e.V.
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.
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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Smaller helper functions that do not depend
* on the emscripten machinery.
*
* @author Florian Dold
*/
import {AmountJson} from "./types";
export function substituteFulfillmentUrl(url: string, vars) {
url = url.replace("${H_contract}", vars.H_contract);
url = url.replace("${$}", "$");
return url;
}
export function amountToPretty(amount: AmountJson): string {
let x = amount.value + amount.fraction / 1e6;
return `${x} ${amount.currency}`;
}
/**
* Canonicalize a base url, typically for the exchange.
*
* See http://api.taler.net/wallet.html#general
*/
export function canonicalizeBaseUrl(url) {
let x = new URI(url);
if (!x.protocol()) {
x.protocol("https");
}
x.path(x.path() + "/").normalizePath();
x.fragment();
x.query();
return x.href()
}
export function parsePrettyAmount(pretty: string): AmountJson {
const res = /([0-9]+)(.[0-9]+)?\s*(\w+)/.exec(pretty);
if (!res) {
return null;
}
return {
value: parseInt(res[1], 10),
fraction: res[2] ? (parseFloat(`0.${res[2]}`) * 1e-6) : 0,
currency: res[3]
}
}
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