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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 {
ConfirmPayResult,
BalancesResponse,
PreparePayResult,
AcceptWithdrawalResponse,
WalletDiagnostics,
CoreApiResponse,
OperationFailedError,
GetWithdrawalDetailsForUriRequest,
WithdrawUriInfoResponse,
TransactionsResponse,
ApplyRefundResponse,
PrepareTipRequest,
PrepareTipResult,
AcceptTipRequest,
} from "taler-wallet-core";
export interface ExtendedPermissionsResponse {
newValue: boolean;
}
/**
* Response with information about available version upgrades.
*/
export interface UpgradeResponse {
/**
* Is a reset required because of a new DB version
* that can't be atomatically upgraded?
*/
dbResetRequired: boolean;
/**
* Current database version.
*/
currentDbVersion: string;
/**
* Old db version (if applicable).
*/
oldDbVersion: string;
}
async function callBackend(operation: string, payload: any): Promise<any> {
return new Promise<any>((resolve, reject) => {
chrome.runtime.sendMessage({ operation, payload, id: "(none)" }, (resp) => {
if (chrome.runtime.lastError) {
console.log("Error calling backend");
reject(
new Error(
`Error contacting backend: chrome.runtime.lastError.message`,
),
);
}
console.log("got response", resp);
const r = resp as CoreApiResponse;
if (r.type === "error") {
reject(new OperationFailedError(r.error));
return;
}
resolve(r.result);
});
});
}
/**
* Start refreshing a coin.
*/
export function refresh(coinPub: string): Promise<void> {
return callBackend("refresh-coin", { coinPub });
}
/**
* Pay for a proposal.
*/
export function confirmPay(
proposalId: string,
sessionId: string | undefined,
): Promise<ConfirmPayResult> {
return callBackend("confirmPay", { proposalId, sessionId });
}
/**
* Check upgrade information
*/
export function checkUpgrade(): Promise<UpgradeResponse> {
return callBackend("check-upgrade", {});
}
/**
* Reset database
*/
export function resetDb(): Promise<void> {
return callBackend("reset-db", {});
}
/**
* Get balances for all currencies/exchanges.
*/
export function getBalance(): Promise<BalancesResponse> {
return callBackend("getBalances", {});
}
/**
* Get balances for all currencies/exchanges.
*/
export function getTransactions(): Promise<TransactionsResponse> {
return callBackend("getTransactions", {});
}
/**
* Download a refund and accept it.
*/
export function applyRefund(
talerRefundUri: string,
): Promise<ApplyRefundResponse> {
return callBackend("applyRefund", { talerRefundUri });
}
/**
* Get details about a pay operation.
*/
export function preparePay(talerPayUri: string): Promise<PreparePayResult> {
return callBackend("preparePay", { talerPayUri });
}
/**
* Get details about a withdraw operation.
*/
export function acceptWithdrawal(
talerWithdrawUri: string,
selectedExchange: string,
): Promise<AcceptWithdrawalResponse> {
return callBackend("acceptBankIntegratedWithdrawal", {
talerWithdrawUri,
exchangeBaseUrl: selectedExchange,
});
}
/**
* Get diagnostics information
*/
export function getDiagnostics(): Promise<WalletDiagnostics> {
return callBackend("wxGetDiagnostics", {});
}
/**
* Get diagnostics information
*/
export function setExtendedPermissions(
value: boolean,
): Promise<ExtendedPermissionsResponse> {
return callBackend("wxSetExtendedPermissions", { value });
}
/**
* Get diagnostics information
*/
export function getExtendedPermissions(): Promise<ExtendedPermissionsResponse> {
return callBackend("wxGetExtendedPermissions", {});
}
/**
* Get diagnostics information
*/
export function getWithdrawalDetailsForUri(
req: GetWithdrawalDetailsForUriRequest,
): Promise<WithdrawUriInfoResponse> {
return callBackend("getWithdrawalDetailsForUri", req);
}
export function prepareTip(req: PrepareTipRequest): Promise<PrepareTipResult> {
return callBackend("prepareTip", req);
}
export function acceptTip(req: AcceptTipRequest): Promise<void> {
return callBackend("acceptTip", req);
}
export function onUpdateNotification(f: () => void): () => void {
const port = chrome.runtime.connect({ name: "notifications" });
const listener = (): void => {
f();
};
port.onMessage.addListener(listener);
return () => {
port.onMessage.removeListener(listener);
};
}
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