66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
/*
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This file is part of TALER
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(C) 2016 GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* Smaller helper functions that do not depend
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* on the emscripten machinery.
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*/
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import {AmountJson} from "./types";
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export function substituteFulfillmentUrl(url: string, vars) {
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url = url.replace("${H_contract}", vars.H_contract);
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url = url.replace("${$}", "$");
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return url;
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}
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export function amountToPretty(amount: AmountJson): string {
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let x = amount.value + amount.fraction / 1e6;
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return `${x} ${amount.currency}`;
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}
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/**
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* Canonicalize a base url, typically for the exchange.
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*
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* See http://api.taler.net/wallet.html#general
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*/
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export function canonicalizeBaseUrl(url) {
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let x = new URI(url);
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if (!x.protocol()) {
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x.protocol("https");
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}
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x.path(x.path() + "/").normalizePath();
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x.fragment();
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x.query();
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return x.href()
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}
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export function parsePrettyAmount(pretty: string): AmountJson {
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const res = /([0-9]+)(.[0-9]+)?\s*(\w+)/.exec(pretty);
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if (!res) {
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return null;
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}
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return {
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value: parseInt(res[1], 10),
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fraction: res[2] ? (parseFloat(`0.${res[2]}`) * 1e-6) : 0,
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currency: res[3]
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}
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}
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