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/*
This file is part of TALER
(C) 2015 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/>
*/
"use strict";
/**
* Declarations and helpers for
* things that are stored in the wallet's
* database.
* @module Db
* @author Florian Dold
*/
namespace Db {
export interface Mint {
baseUrl: string;
keys: Keys
}
export interface CoinWithDenom {
coin: Coin;
denom: Denomination;
}
export interface Keys {
denoms: Denomination[];
}
export interface Denomination {
value: AmountJson_interface;
denom_pub: string;
fee_withdraw: AmountJson_interface;
fee_deposit: AmountJson_interface;
}
export interface PreCoin {
coinPub: string;
coinPriv: string;
reservePub: string;
denomPub: string;
blindingKey: string;
withdrawSig: string;
coinEv: string;
mintBaseUrl: string;
coinValue: AmountJson_interface;
}
export interface Coin {
coinPub: string;
coinPriv: string;
denomPub: string;
denomSig: string;
currentAmount: AmountJson_interface;
mintBaseUrl: string;
}
}
const DB_NAME = "taler";
const DB_VERSION = 1;
/**
* Return a promise that resolves
* to the taler wallet db.
*/
function openTalerDb(): Promise<IDBDatabase> {
return new Promise((resolve, reject) => {
let req = indexedDB.open(DB_NAME, DB_VERSION);
req.onerror = (e) => {
reject(e);
};
req.onsuccess = (e) => {
resolve(req.result);
};
req.onupgradeneeded = (e) => {
let db = req.result;
console.log("DB: upgrade needed: oldVersion = " + e.oldVersion);
switch (e.oldVersion) {
case 0: // DB does not exist yet
let mints = db.createObjectStore("mints", {keyPath: "baseUrl"});
mints.createIndex("pubKey", "keys.master_public_key");
db.createObjectStore("reserves", {keyPath: "reserve_pub"});
db.createObjectStore("denoms", {keyPath: "denomPub"});
let coins = db.createObjectStore("coins", {keyPath: "coinPub"});
coins.createIndex("mintBaseUrl", "mintBaseUrl");
db.createObjectStore("transactions", {keyPath: "contractHash"});
db.createObjectStore("precoins",
{keyPath: "coinPub", autoIncrement: true});
break;
}
};
});
}
function exportDb(db): Promise<any> {
let dump = {
name: db.name,
version: db.version,
stores: {}
};
return new Promise((resolve, reject) => {
let tx = db.transaction(db.objectStoreNames);
tx.addEventListener("complete", (e) => {
resolve(dump);
});
for (let i = 0; i < db.objectStoreNames.length; i++) {
let name = db.objectStoreNames[i];
let storeDump = {};
dump.stores[name] = storeDump;
let store = tx.objectStore(name)
.openCursor()
.addEventListener("success", (e) => {
let cursor = e.target.result;
if (cursor) {
storeDump[cursor.key] = cursor.value;
cursor.continue();
}
});
}
});
}
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