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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, If not, see <http://www.gnu.org/licenses/>
*/
import {Wallet, Offer, Badge, ConfirmReserveRequest, CreateReserveRequest} from "./wallet";
import {deleteDb, exportDb, openTalerDb} from "./db";
import {BrowserHttpLib} from "./http";
"use strict";
/**
* Messaging for the WebExtensions wallet. Should contain
* parts that are specific for WebExtensions, but as little business
* logic as possible.
*
* @author Florian Dold
*/
function makeHandlers(wallet: Wallet) {
return {
["balances"]: function(db, detail, sendResponse) {
wallet.getBalances()
.then(sendResponse)
.catch((e) => {
console.log("exception during 'balances'");
console.error(e.stack);
});
return true;
},
["dump-db"]: function(db, detail, sendResponse) {
exportDb(db).then(sendResponse);
return true;
},
["reset"]: function(db, detail, sendResponse) {
let tx = db.transaction(db.objectStoreNames, 'readwrite');
for (let i = 0; i < db.objectStoreNames.length; i++) {
tx.objectStore(db.objectStoreNames[i]).clear();
}
deleteDb();
chrome.browserAction.setBadgeText({text: ""});
console.log("reset done");
// Response is synchronous
return false;
},
["create-reserve"]: function(db, detail, sendResponse) {
const d = {
mint: detail.mint,
amount: detail.amount,
};
const req = CreateReserveRequest.checked(d);
wallet.createReserve(req)
.then((resp) => {
sendResponse(resp);
})
.catch((e) => {
sendResponse({error: "exception"});
console.error("exception during 'create-reserve'");
console.error(e.stack);
});
return true;
},
["confirm-reserve"]: function(db, detail, sendResponse) {
// TODO: make it a checkable
const d = {
reservePub: detail.reservePub
};
const req = ConfirmReserveRequest.checked(d);
wallet.confirmReserve(req)
.then((resp) => {
sendResponse(resp);
})
.catch((e) => {
sendResponse({error: "exception"});
console.error("exception during 'confirm-reserve'");
console.error(e.stack);
});
return true;
},
["confirm-pay"]: function(db, detail, sendResponse) {
const offer = Offer.checked(detail.offer);
wallet.confirmPay(offer)
.then(() => {
sendResponse({})
})
.catch((e) => {
console.error("exception during 'confirm-pay'");
console.error(e.stack);
sendResponse({error: e.message});
});
return true;
},
["execute-payment"]: function(db, detail, sendResponse) {
wallet.executePayment(detail.H_contract)
.then((r) => {
sendResponse(r);
})
.catch((e) => {
console.error("exception during 'execute-payment'");
console.error(e.stack);
sendResponse({error: e.message});
});
// async sendResponse
return true;
},
["get-history"]: function(db, detail, sendResponse) {
// TODO: limit history length
wallet.getHistory()
.then((h) => {
sendResponse(h);
})
.catch((e) => {
console.error("exception during 'get-history'");
console.error(e.stack);
});
return true;
},
["error-fatal"]: function(db, detail, sendResponse) {
console.log("fatal error from page", detail.url);
}
};
}
class ChromeBadge implements Badge {
setText(s: string) {
chrome.browserAction.setBadgeText({text: s});
}
setColor(c: string) {
chrome.browserAction.setBadgeBackgroundColor({color: c});
}
}
export function wxMain() {
chrome.browserAction.setBadgeText({text: ""});
openTalerDb()
.then((db) => {
let http = new BrowserHttpLib();
let badge = new ChromeBadge();
let wallet = new Wallet(db, http, badge);
let handlers = makeHandlers(wallet);
wallet.updateBadge();
chrome.runtime.onMessage.addListener(
function(req, sender, onresponse) {
if (req.type in handlers) {
return handlers[req.type](db, req.detail, onresponse);
}
console.error(`Request type ${JSON.stringify(req)} unknown, req ${req.type}`);
return false;
});
})
.catch((e) => {
console.error("could not open database:");
console.error(e.stack);
});
}
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