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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/>
*/
/**
* Interface to the wallet through WebExtension messaging.
*/
/**
* Imports.
*/
import {
AmountJson,
CoinRecord,
CurrencyRecord,
DenominationRecord,
ExchangeRecord,
PreCoinRecord,
ReserveCreationInfo,
ReserveRecord,
} from "./types";
/**
* Query the wallet for the coins that would be used to withdraw
* from a given reserve.
*/
export function getReserveCreationInfo(baseUrl: string,
amount: AmountJson): Promise<ReserveCreationInfo> {
const m = { type: "reserve-creation-info", detail: { baseUrl, amount } };
return new Promise<ReserveCreationInfo>((resolve, reject) => {
chrome.runtime.sendMessage(m, (resp) => {
if (resp.error) {
console.error("error response", resp);
const e = Error("call to reserve-creation-info failed");
(e as any).errorResponse = resp;
reject(e);
return;
}
resolve(resp);
});
});
}
async function callBackend(type: string, detail?: any): Promise<any> {
return new Promise<any>((resolve, reject) => {
chrome.runtime.sendMessage({ type, detail }, (resp) => {
if (resp && resp.error) {
reject(resp);
} else {
resolve(resp);
}
});
});
}
/**
* Get all exchanges the wallet knows about.
*/
export async function getExchanges(): Promise<ExchangeRecord[]> {
return await callBackend("get-exchanges");
}
/**
* Get all currencies the exchange knows about.
*/
export async function getCurrencies(): Promise<CurrencyRecord[]> {
return await callBackend("get-currencies");
}
/**
* Get information about a specific currency.
*/
export async function getCurrency(name: string): Promise<CurrencyRecord|null> {
return await callBackend("currency-info", {name});
}
/**
* Get information about a specific exchange.
*/
export async function getExchangeInfo(baseUrl: string): Promise<ExchangeRecord> {
return await callBackend("exchange-info", {baseUrl});
}
/**
* Replace an existing currency record with the one given. The currency to
* replace is specified inside the currency record.
*/
export async function updateCurrency(currencyRecord: CurrencyRecord): Promise<void> {
return await callBackend("update-currency", { currencyRecord });
}
/**
* Get all reserves the wallet has at an exchange.
*/
export async function getReserves(exchangeBaseUrl: string): Promise<ReserveRecord[]> {
return await callBackend("get-reserves", { exchangeBaseUrl });
}
/**
* Get all reserves for which a payback is available.
*/
export async function getPaybackReserves(): Promise<ReserveRecord[]> {
return await callBackend("get-payback-reserves");
}
/**
* Withdraw the payback that is available for a reserve.
*/
export async function withdrawPaybackReserve(reservePub: string): Promise<ReserveRecord[]> {
return await callBackend("withdraw-payback-reserve", { reservePub });
}
/**
* Get all coins withdrawn from the given exchange.
*/
export async function getCoins(exchangeBaseUrl: string): Promise<CoinRecord[]> {
return await callBackend("get-coins", { exchangeBaseUrl });
}
/**
* Get all precoins withdrawn from the given exchange.
*/
export async function getPreCoins(exchangeBaseUrl: string): Promise<PreCoinRecord[]> {
return await callBackend("get-precoins", { exchangeBaseUrl });
}
/**
* Get all denoms offered by the given exchange.
*/
export async function getDenoms(exchangeBaseUrl: string): Promise<DenominationRecord[]> {
return await callBackend("get-denoms", { exchangeBaseUrl });
}
/**
* Start refreshing a coin.
*/
export async function refresh(coinPub: string): Promise<void> {
return await callBackend("refresh-coin", { coinPub });
}
/**
* Request payback for a coin. Only works for non-refreshed coins.
*/
export async function payback(coinPub: string): Promise<void> {
return await callBackend("payback-coin", { coinPub });
}
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